CN111569559A - Waste gas purification dust-free environment-friendly gas leakage monitoring system of dihydrate gypsum production line - Google Patents

Abstract

The invention provides a waste gas purification, dust-free and environmental protection air leakage monitoring system for a dihydrate gypsum production line, including a solid storage box, a liquid storage box, a stirring reaction chamber, a pH adjustment tank, and a sedimentation tank. The liquid storage box is respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and the lower part of the pH adjustment tank is provided with a liquid outlet, which The liquid port is connected to the subsequent sedimentation tank, and also includes a closed helical pipe for transporting solid materials from the solid storage box to the stirring reaction chamber, and a controllable valve at the outlet of the solid storage box and the liquid storage box , the waste gas purification treatment device for recycling and processing polluted waste gas, and the air tightness detection device at the connection between the gas purification treatment device. Compared with the traditional dihydrate gypsum preparation process, the dihydrate gypsum preparation process of the present invention is dust-free, pollution-free and environmentally friendly.

Description

A kind of waste gas purification dust-free environmental protection air leakage monitoring system for dihydrate gypsum production line

technical field

The invention relates to the field of preparing dihydrate gypsum, in particular to a waste gas purification, dust-free and environmental protection air leakage monitoring system for a dihydrate gypsum production line.

Background technique

With the high attention paid to the awareness of environmental protection among the general public, issues related to environmental protection, resource regeneration and recycling of industrial waste and waste have been given full attention and extensive development. Dihydrate gypsum can be used as one of the important raw materials for producing gypsum blocks, slabs and other gypsum products, land improvement agents, road building materials, cement industry retarders and common beta gypsum powder. Due to the large demand for dihydrate gypsum , the production and utilization of calcium sulfate dihydrate is also more and more extensive.

Relying on the research team of the chemical laboratory of the university and the resources of the chemical plant, the team has conducted long-term research on the production and preparation process of dihydrate gypsum, and found existing technologies through a large number of searches. US08529863B2, the traditional production and preparation of dihydrate gypsum includes sulfuric acid solution, calcium-containing ore powder, feed port, reaction tank, discharge sedimentation tank, sulfuric acid solution, calcium-containing ore powder enters the reaction tank from the feed port, and the mixed solution of the reaction tank It is transported to the discharge sedimentation tank through the guide pipe, and the sediment is the product dihydrate gypsum. In the traditional production process, calcium-containing ore powder is generally fed into the reaction chamber by a conveyor belt or an open container robotic arm. Since the transmission process is not in a sealed state, a large amount of dust will float in the air during the process of transmission and addition to the reaction chamber, causing Air pollution and loss of raw materials, and raw materials also include sulfuric acid liquid, by-product sulfur dioxide and sulfur trioxide gas will be produced during the reproduction process, of which sulfur dioxide is one of the main gases that form acid rain, and sulfur trioxide gas form is a serious pollution. It is also one of the main sources of acid rain.

In order to solve the common problems in the field of traditional dihydrate gypsum production and preparation process, solid materials will be scattered and suspended in the atmosphere, causing particle pollution, production waste gas emissions will cause air pollution, and harm to the health of production line workers. the present invention.

SUMMARY OF THE INVENTION

The purpose of the present invention is, in view of the shortcomings of the current traditional dihydrate gypsum production and preparation process, to propose a more green and environmentally friendly, with a material dust-free conveying module, waste gas treatment is a pollution-free gas discharge module and a gas transmission pipe leak detection The exhaust gas purification of the module's dihydrate gypsum is dust-free and environmentally friendly and can detect the leakage system.

In order to overcome the deficiencies of the prior art, the present invention adopts the following technical solutions:

Optionally, an exhaust gas purification, dust-free, and environmentally friendly air leakage monitoring system for a dihydrate gypsum production line, wherein the dihydrate gypsum production line includes a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjustment tank, and a sedimentation tank. The solid storage box and the liquid storage box are respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and the lower part of the rear section of the pH adjustment tank is provided with The liquid outlet is connected to the subsequent sedimentation tank. The exhaust gas purification, dust-free and environmental protection gas leakage monitoring system also includes a closed spiral pipe for closed transportation of solid materials from the solid storage box to the stirring reaction chamber, Controllable valve devices at the outlet of the solid storage box and the liquid storage box, a waste gas purification treatment device for recycling and processing polluted waste gas, and an air tightness detection device arranged around the gas delivery pipe interface.

Optionally, the closed helical tube includes a cylindrical body, a helical shaft rotatably inserted coaxially in the cylindrical body, and a driving device that is connected to one end of the helical shaft and drives the helical shaft, wherein the cylindrical body includes a driving device that drives the helical shaft. A material inlet communicated with the solid storage tank and a material outlet communicated with the stirring reaction chamber.

Optionally, the controllable valve device includes a valve plate for controlling the opening of the transport pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate.

Optionally, the controllable valve device includes a first control valve and a second control valve, the first control valve device is installed at the outlet of the solid storage box to control the speed of the solid material in the solid storage box entering the stirring reaction chamber. , the second control valve is installed at the outlet of the liquid storage tank to control the flow rate of the liquid material in the liquid storage tank into the stirring reaction chamber.

Optionally, the exhaust gas purification treatment device includes an air extraction device arranged on the inlet pipe of the exhaust gas purification treatment device, a dust filter chamber for filtering dust particles in the exhaust gas, a condensation liquefaction recovery chamber for liquefying and recovering sulfur trioxide in the exhaust gas, and a sulfur dioxide absorption device. Catalyst absorption chamber.

Optionally, the air-tightness detection device is installed around the interface where the gas delivery pipe is connected to each chamber that needs to deliver gas, and the air-tightness detection device includes a soft rubber layer that wraps around the interface and covers all the air-tightness. The hard shell on the soft rubber layer, several pressure sensors installed on the inner side of the hard shell in contact with the soft rubber layer, wherein the soft rubber layer can be selected by those skilled in the art according to actual needs High temperature resistant rubber or The acid-resistant and corrosion-resistant silicone rubber composite material will not be repeated here.

The beneficial effects achieved by the present invention are:

1. Prevent the splash of solid materials at the feeding port from causing particle pollution in the production environment.

2. Prevent the by-products of sulfur dioxide, sulfur dioxide and sulfur trioxide from irritating the emission of gas to pollute the atmosphere and form acid rain.

3. The reaction speed of the raw materials in the stirring reaction chamber can be controlled by controlling the speed of the raw materials entering the reaction chamber.

4. It can detect the gas leakage of the gas transmission pipeline while preventing the overflow of the gas and issuing an alarm signal.

Description of drawings

The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is the production flow schematic diagram of the present invention.

FIG. 2 is a schematic structural diagram of the closed spiral tube of the present invention.

Figure 3 is a schematic view of the structure of the helical shaft of the present invention.

FIG. 4 is a schematic structural diagram of the dust filter chamber of the present invention.

FIG. 5 is a schematic structural diagram of the condensation liquefaction recovery chamber of the present invention.

FIG. 6 is a schematic structural diagram of the catalyst absorption chamber of the present invention.

FIG. 7 is a schematic structural diagram of the exhaust gas purification treatment device of the present invention.

FIG. 8 is a site view of the exhaust gas purification treatment device of the present invention.

Description of reference numerals: 1-first valve plate; 2-first valve plate groove; 3-spiral blade; 4-cylinder; 5-solid storage tank; 6-material inlet; 7-material outlet; 8-first Oil cylinder; 9-drive device; 10-screw shaft; 11-exhaust device; 12-air inlet; 13-dust filter chamber; 14-liquid recovery chamber; 15-catalyst absorption chamber; 16-air outlet; 17-condensation liquefaction recovery 18-dust chamber; 19-dust filter plate; 20-catalyst placement chamber; 21-perforated partition plate; 22-valve; 23-cooling device; 24-condensing plate.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with its embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention, not to limit the present invention. invention. Other systems, methods and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the present invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in the following detailed description and will be apparent from the following detailed description.

The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms “upper”, “lower”, “left” and “right” are used The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or component must have a specific orientation. Orientation structure and operation, so the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on the present patent. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

Example 1:

In this embodiment, a closed helical pipe is constructed in the production process of dihydrate gypsum, which has a closed spiral pipe for closed transportation of solid materials without generating dust particles in the production operation environment;

An air leakage monitoring system for waste gas purification, dust-free and environmental protection for a dihydrate gypsum production line. The dihydrate gypsum production line includes a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjustment tank, a sedimentation tank, and the solid storage tank. The tank and the liquid storage box are respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and a liquid outlet is provided at the lower part of the rear section of the pH adjustment tank, The liquid outlet is connected to the subsequent sedimentation tank, and the exhaust gas purification, dust-free and environmental protection air leakage monitoring system also includes a closed spiral pipe for closed transportation of solid materials from the solid storage box to the stirring reaction chamber. The controllable valve device at the outlet of the storage box and the liquid storage box, the waste gas purification treatment device for recycling and processing polluted waste gas, and the air tightness detection device arranged around the interface of the gas delivery pipe, the closed spiral pipe includes a cylindrical body , a screw shaft rotatably inserted coaxially in the barrel, connected with one end of the screw shaft and driving the driving device of the screw shaft, wherein the barrel includes a material inlet communicated with the solid storage box and The material outlet communicated with the stirring reaction chamber, the controllable valve device includes a valve plate for controlling the opening of the transport pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate, which can be controlled The valve device includes a first control valve and a second control valve. The first control valve device is installed at the outlet of the solid storage box to control the speed at which the solid material in the solid storage box enters the stirring reaction chamber. The second control valve The valve is installed at the outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box into the stirring reaction chamber, wherein the exhaust gas purification treatment device includes an air extraction device arranged on the inlet pipe of the exhaust gas purification treatment device to filter the dust in the exhaust gas The dust filter chamber for particulate matter, the condensation and liquefaction recovery chamber for liquefying and recovering sulfur trioxide in the exhaust gas, and the catalyst absorption chamber for absorbing sulfur dioxide, the air tightness detection device is installed in the gas delivery pipe connected to each chamber that needs to deliver gas. Around the interface, the air-tightness detection device includes a soft glue layer surrounding the interface, a hard shell covering the soft glue layer, and installed on the inner surface of the hard shell in contact with the soft glue layer A number of pressure sensors, wherein the soft rubber layer can be selected by those skilled in the art according to the actual needs of high temperature resistant rubber or acid and corrosion resistant silicone rubber composite materials, which will not be repeated here;

The closed helical tube includes a cylinder, a screw shaft, a material inlet, a material outlet, and a drive device for driving the screw shaft. The material inlet is provided at the upper end of one side of the cylinder and the material solid The storage tank is connected, and the material outlet is arranged at the lower end of the other side of the material cylinder to communicate with the stirring reaction chamber, wherein the screw shaft is rotatably inserted coaxially in the cylinder, and one end of the screw shaft penetrates the cylinder The front end of the screw shaft is drivingly connected with the driving device, wherein the screw shaft comprises a plurality of helical blades arranged and connected at equal distances along the axial direction of the screw shaft, and a mounting portion, and the front end of the mounting portion is drivingly connected with the driving device, wherein The driving device can be selected by those skilled in the art to provide power for the closed coiled pipe by selecting hydraulic components or electric components according to actual needs, which will not be repeated here;

The front end part of the cylinder has a front cylinder separated by a partition, the driving device is flanged in the front cylinder, and the driving device also includes a connecting unit, and the screw shaft passes through the partition and enters the cylinder. The front end of the cylinder body is connected with the driving device in a transmission, wherein the screw shaft is mounted on the connecting unit through a pin shaft, so as to facilitate the disassembly and assembly of the screw shaft;

The driving device is electrically connected with the controller, and the screw shaft rotates under the action of the driving device, and the solid material in the closed spiral tube is brought from the material inlet to the material outlet into the stirring reaction chamber through the movement of the screw blade, and the operator The driving device can be remotely opened by manipulating the controller, so that the solid material in the solid storage box can be transported in the closed spiral pipe;

The closed spiral pipeline realizes a sealed environment in the material conveying process, and the solid material will not be scattered in the environment during the conveying process, causing loss of raw materials and environmental pollution.

Embodiment 2:

In the present embodiment, a controllable valve device is constructed which is provided with the opening of the control valve plate to control the speed at which the raw materials in the solid storage box and the liquid storage box enter the stirring reaction chamber in the process of producing dihydrate gypsum;

An air leakage monitoring system for waste gas purification, dust-free and environmental protection for a dihydrate gypsum production line. The dihydrate gypsum production line includes a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjustment tank, a sedimentation tank, and the solid storage tank. The tank and the liquid storage box are respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and a liquid outlet is provided at the lower part of the rear section of the pH adjustment tank, The liquid outlet is connected to the subsequent sedimentation tank, and the exhaust gas purification, dust-free and environmental protection air leakage monitoring system also includes a closed spiral pipe for closed transportation of solid materials from the solid storage box to the stirring reaction chamber. The controllable valve device at the outlet of the storage box and the liquid storage box, the waste gas purification treatment device for recycling and processing polluted waste gas, and the air tightness detection device arranged around the interface of the gas delivery pipe, the closed spiral pipe includes a cylindrical body , a screw shaft rotatably inserted coaxially in the barrel, connected with one end of the screw shaft and driving the driving device of the screw shaft, wherein the barrel includes a material inlet communicated with the solid storage box and The material outlet communicated with the stirring reaction chamber, the controllable valve device includes a valve plate for controlling the opening of the transport pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate, which can be controlled The valve device includes a first control valve and a second control valve. The first control valve device is installed at the outlet of the solid storage box to control the speed at which the solid material in the solid storage box enters the stirring reaction chamber. The second control valve The valve is installed at the outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box into the stirring reaction chamber, wherein the exhaust gas purification treatment device includes an air extraction device arranged on the inlet pipe of the exhaust gas purification treatment device to filter the dust in the exhaust gas The dust filter chamber for particulate matter, the condensation and liquefaction recovery chamber for liquefying and recovering sulfur trioxide in the exhaust gas, and the catalyst absorption chamber for absorbing sulfur dioxide, the air tightness detection device is installed in the gas delivery pipe connected to each chamber that needs to deliver gas. Around the interface, the air-tightness detection device includes a soft glue layer surrounding the interface, a hard shell covering the soft glue layer, and installed on the inner surface of the hard shell in contact with the soft glue layer A number of pressure sensors, wherein the soft rubber layer can be selected by those skilled in the art according to the actual needs of high temperature resistant rubber or acid and corrosion resistant silicone rubber composite materials, which will not be repeated here;

The closed helical tube includes a cylinder, a screw shaft, a material inlet, a material outlet, and a drive device for driving the screw shaft. The material inlet is provided at the upper end of one side of the cylinder and the material solid The storage tank is connected, and the material outlet is arranged at the lower end of the other side of the material cylinder to communicate with the stirring reaction chamber, wherein the screw shaft is rotatably inserted coaxially in the cylinder, and one end of the screw shaft penetrates the cylinder The front end of the screw shaft is drivingly connected with the driving device, wherein the screw shaft comprises a plurality of helical blades arranged and connected at equal distances along the axial direction of the screw shaft, and a mounting portion, and the front end of the mounting portion is drivingly connected with the driving device, wherein The driving device can be selected by those skilled in the art to provide power for the closed coiled pipe by selecting hydraulic components or electric components according to actual needs, which will not be repeated here;

The front end part of the cylinder has a front cylinder separated by a partition, the driving device is flanged in the front cylinder, and the driving device also includes a connecting unit, and the screw shaft passes through the partition and enters the cylinder. The front end of the cylinder body is connected with the driving device in a transmission, wherein the screw shaft is mounted on the connecting unit through a pin shaft, so as to facilitate the disassembly and assembly of the screw shaft;

The driving device is electrically connected with the controller, and the screw shaft rotates under the action of the driving device, and the solid material in the closed spiral tube is brought from the material inlet to the material outlet into the stirring reaction chamber through the movement of the screw blade, and the operator The driving device can be remotely opened by manipulating the controller, so that the solid material in the solid storage box can be transported in the closed spiral pipe;

The closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials will not scatter in the environment during transportation, causing material loss and environmental pollution;

The controllable valve device includes a first control valve for controlling the solid material in the solid storage tank to enter the closed spiral pipe and a second control valve for controlling the liquid material in the liquid storage tank to enter the stirring reaction chamber. ;

The first control valve includes a first oil cylinder, a first valve plate and a first valve plate groove that open and close the outlet of the solid storage tank, and the first valve plate is driven by the first oil cylinder along the The inner wall of the first valve plate groove orbitally moves, one end of the first oil cylinder is installed on the outer peripheral wall of the cylinder body, and the other end of the first oil cylinder is connected to one side of the first valve plate through the connecting piece, the first oil cylinder controls the first valve plate to open and close the outlet of the solid storage tank;

The second control valve includes a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate and a second valve plate groove for opening and closing the outlet of the liquid storage tank, the second valve plate The plate is driven by the second oil cylinder to orbit along the inner wall of the sliding groove, the second control valve is arranged at the outlet of the liquid storage box, the second oil cylinder is fixed on the outer wall of the transport pipe through the fixed base, and the first One end of the second oil cylinder is connected to the second control valve, one end of the second oil cylinder is connected to one side of the second valve plate through a connecting piece, and the second oil cylinder controls the second valve plate in the liquid storage tank The opening at the outlet of the liquid storage tank to realize opening and closing the outlet of the liquid storage tank and control the flow rate of the liquid material of the liquid storage tank into the stirring reaction chamber;

The first oil cylinder and the second oil cylinder are respectively wirelessly connected with a control device, and the control device can be controlled by remotely controlling the outlet of the solid storage tank and/or the opening of the outlet of the solid storage tank The speed at which the solid material in the solid storage box and the liquid material in the liquid storage box enter the stirring reaction chamber.

Embodiment three:

In the present embodiment, a waste gas purification and treatment device is constructed that recovers and treats the waste gas containing the irritating polluting gas containing by-products and then discharges it into the atmosphere in the process of producing dihydrate gypsum;

An air leakage monitoring system for waste gas purification, dust-free and environmental protection for a dihydrate gypsum production line. The dihydrate gypsum production line includes a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjustment tank, a sedimentation tank, and the solid storage tank. The tank and the liquid storage box are respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and a liquid outlet is provided at the lower part of the rear section of the pH adjustment tank, The liquid outlet is connected to the subsequent sedimentation tank, and the exhaust gas purification, dust-free and environmental protection air leakage monitoring system also includes a closed spiral pipe for closed transportation of solid materials from the solid storage box to the stirring reaction chamber. The controllable valve device at the outlet of the storage box and the liquid storage box, the waste gas purification treatment device for recycling and processing polluted waste gas, and the air tightness detection device arranged around the interface of the gas delivery pipe, the closed spiral pipe includes a cylindrical body , a screw shaft rotatably inserted coaxially in the barrel, connected with one end of the screw shaft and driving the driving device of the screw shaft, wherein the barrel includes a material inlet communicated with the solid storage box and The material outlet communicated with the stirring reaction chamber, the controllable valve device includes a valve plate for controlling the opening of the transport pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate, which can be controlled The valve device includes a first control valve and a second control valve. The first control valve device is installed at the outlet of the solid storage box to control the speed at which the solid material in the solid storage box enters the stirring reaction chamber. The second control valve The valve is installed at the outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box into the stirring reaction chamber, wherein the exhaust gas purification treatment device includes an air extraction device arranged on the inlet pipe of the exhaust gas purification treatment device to filter the dust in the exhaust gas The dust filter chamber for particulate matter, the condensation and liquefaction recovery chamber for liquefying and recovering sulfur trioxide in the exhaust gas, and the catalyst absorption chamber for absorbing sulfur dioxide, the air tightness detection device is installed in the gas delivery pipe connected to each chamber that needs to deliver gas. Around the interface, the air-tightness detection device includes a soft glue layer surrounding the interface, a hard shell covering the soft glue layer, and installed on the inner surface of the hard shell in contact with the soft glue layer A number of pressure sensors, wherein the soft rubber layer can be selected by those skilled in the art according to the actual needs of high temperature resistant rubber or acid and corrosion resistant silicone rubber composite materials, which will not be repeated here;

The closed helical tube includes a cylinder, a screw shaft, a material inlet, a material outlet, and a drive device for driving the screw shaft. The material inlet is provided at the upper end of one side of the cylinder and the material solid The storage tank is connected, and the material outlet is arranged at the lower end of the other side of the material cylinder to communicate with the stirring reaction chamber, wherein the screw shaft is rotatably inserted coaxially in the cylinder, and one end of the screw shaft penetrates the cylinder The front end of the screw shaft is drivingly connected with the driving device, wherein the screw shaft comprises a plurality of helical blades arranged and connected at equal distances along the axial direction of the screw shaft, and a mounting portion, and the front end of the mounting portion is drivingly connected with the driving device, wherein The driving device can be selected by those skilled in the art to provide power for the closed coiled pipe by selecting hydraulic components or electric components according to actual needs, which will not be repeated here;

The front end part of the cylinder has a front cylinder separated by a partition, the driving device is flanged in the front cylinder, and the driving device also includes a connecting unit, and the screw shaft passes through the partition and enters the cylinder. The front end of the cylinder body is connected with the driving device in a transmission, wherein the screw shaft is mounted on the connecting unit through a pin shaft, so as to facilitate the disassembly and assembly of the screw shaft;

The driving device is electrically connected with the controller, and the screw shaft rotates under the action of the driving device, and the solid material in the closed spiral tube is brought from the material inlet to the material outlet into the stirring reaction chamber through the movement of the screw blade, and the operator The driving device can be remotely opened by manipulating the controller, so that the solid material in the solid storage box can be transported in the closed spiral pipe;

The closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials will not scatter in the environment during transportation, causing material loss and environmental pollution;

The controllable valve device includes a first control valve for controlling the solid material in the solid storage tank to enter the closed spiral pipe and a second control valve for controlling the liquid material in the liquid storage tank to enter the stirring reaction chamber. ;

The first control valve includes a first oil cylinder, a first valve plate and a first valve plate groove that open and close the outlet of the solid storage tank, and the first valve plate is driven by the first oil cylinder along the The inner wall of the first valve plate groove orbitally moves, one end of the first oil cylinder is installed on the outer peripheral wall of the cylinder body, and the other end of the first oil cylinder is connected to one side of the first valve plate through the connecting piece, The first oil cylinder controls the first valve plate to open and close the outlet of the solid storage tank.

The second control valve includes a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate and a second valve plate groove for opening and closing the outlet of the liquid storage tank, the second valve plate The plate is driven by the second oil cylinder to orbit along the inner wall of the sliding groove, the second control valve is arranged at the outlet of the liquid storage box, the second oil cylinder is fixed on the outer wall of the transport pipe through the fixed base, and the first One end of the second oil cylinder is connected to the second control valve, one end of the second oil cylinder is connected to one side of the second valve plate through a connecting piece, and the second oil cylinder controls the second valve plate in the liquid storage tank The opening at the outlet of the liquid storage tank to realize opening and closing the outlet of the liquid storage tank and control the flow rate of the liquid material of the liquid storage tank into the stirring reaction chamber;

The first oil cylinder and the second oil cylinder are respectively wirelessly connected with a control device, and the control device can be controlled by remotely controlling the outlet of the solid storage tank and/or the opening of the outlet of the solid storage tank The speed at which the solid material in the solid storage box and the liquid material in the liquid storage box enter the stirring reaction chamber;

The exhaust gas purification and treatment device includes an air inlet, an air outlet, a gas delivery pipe, an air extraction device, a dust filter chamber for filtering dust particles in the exhaust gas, and a condensation liquefaction recovery chamber for liquefying and recovering sulfur trioxide and other gases with low liquefaction temperature in the liquefied gas. , a catalyst absorption chamber for absorbing sulfur dioxide, wherein the air extraction device is fixed on the upper part of the air inlet of the gas conveying pipe, the outlet of the dust filter chamber is communicated with the inlet of the condensation and liquefaction recovery chamber, and the condensation and liquefaction recovery chamber The outlet of the chamber is communicated with the inlet of the catalyst absorption chamber, wherein the outlet of the catalyst absorption chamber, that is, the air outlet, leads to the atmosphere;

The dust filter chamber includes a dust filter plate and a dust accumulation chamber. The dust filter plate is obliquely fixed in the dust filter chamber, the lower end of the dust filter plate is connected to the dust accumulation chamber, and the dust is intercepted on the filter plate. After time use, dust particles will accumulate on the filter plate. When the amount of dust particles on the dust filter plate reaches the highest value, the dust particles on the upper part of the dust filter plate will move towards the filter plate along the dust filter plate under the action of gravity. The lower part of the dust filter plate rolls down, and drives the dust in the lower part of the filter plate to roll down together into the dust chamber connected with the dust filter plate;

The condensation and liquefaction recovery chamber includes a temperature measuring device installed on the outer wall of the condensation and liquefaction recovery chamber, a cooling device installed in the condensation and liquefaction recovery chamber, and a liquid recovery chamber for collecting sulfur trioxide condensate, wherein the cooling The device includes a number of horizontally arranged condensing panels, the condensing panels are installed horizontally in the condensing liquefaction chamber through a fixed seat, and the condensing panels are formed by condensing pipes arranged in a serpentine shape, and the condensing pipes are arranged in a serpentine shape. There are gaps between them, so the contact surface area between the gas and the condenser is increased, and the condensation efficiency is effectively improved. The condensation pipe can be selected by those skilled in the art according to actual needs. Acid-resistant and high-temperature resistant metal pipes will not be repeated here. The bottom of the condensing and liquefaction chamber is an inclined bottom plate with a certain inclination angle, the lower end of the inclined bottom plate is an opening near the inner wall of the condensing and liquefaction chamber, and the opening is connected to the liquid recovery chamber through a connecting guide pipe ;

The first filtered gas enters the condensation and liquefaction recovery chamber, and the temperature drops under the action of the multi-layer condensation plates. After the sulfur trioxide is liquefied, it slides down and drips along the inner wall of the condensation and liquefaction chamber to the inclined bottom plate, under the action of gravity. The lower sulfur trioxide liquid slides down to the opening on the inclined sliding bottom plate, and flows into the liquid recovery chamber through the connecting guide pipe;

There is a constant temperature device in the liquid recovery chamber, so that the temperature in the liquid recovery chamber is kept lower than the vaporization temperature of sulfur trioxide, so as to prevent sulfur trioxide from overflowing the liquid recovery chamber again;

The temperature measuring device is connected to a control device, and the control device adjusts the cooling force of the cooling device according to the temperature value of the temperature measuring device to form an intelligent cooling module, which does not require production operators to regulate the cooling device in real time to control all the cooling devices. the temperature of the condensation liquefaction chamber;

The catalyst absorption chamber includes several catalyst placement chambers, the catalyst placement chambers include two perforated partitions and a catalytic adsorbent, and the two perforated partitions are fixedly connected to the inner wall of the catalyst absorption chamber to form a catalyst placement chamber, wherein the catalyst placement chambers are formed. The aperture of the perforated partition is smaller than the outer diameter of the catalytic adsorbent, and there are valves on both sides of the catalyst placement cavity. The catalytic absorbent in the catalyst placement cavity is replaced;

Start the air extraction device, the exhaust gas first enters the dust filter chamber, and the dust particles in the exhaust gas are trapped in the dust filter chamber. The gas delivery pipe is transported to the condensation and liquefaction recovery chamber, wherein the gas coming out of the condensation and liquefaction chamber is the second filtered gas, the second filter body emerges from the condensation and liquefaction recovery chamber to the catalyst absorption chamber for absorbing sulfur dioxide, and the exhaust gas passes through After three layers of filtration, it is discharged to the atmosphere from the air outlet. The waste gas is filtered through dust particles, liquefied to collect sulfur trioxide, adsorbed to collect sulfur dioxide, and then discharged from the air outlet to the atmosphere without causing air pollution.

Embodiment 4:

In this embodiment, an air tightness detection device is constructed, which is equipped with detecting gas leakage at the interface of the gas conveying pipe and preventing gas leakage to a certain extent in the process of producing dihydrate gypsum;

An air leakage monitoring system for waste gas purification, dust-free and environmental protection for a dihydrate gypsum production line. The dihydrate gypsum production line includes a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjustment tank, a sedimentation tank, and the solid storage tank. The tank and the liquid storage box are respectively communicated with the stirring reaction chamber through a transport pipe, the outlet of the stirring reaction chamber is connected with the pH adjustment tank through a transport pipe, and a liquid outlet is provided at the lower part of the rear section of the pH adjustment tank, The liquid outlet is connected to the subsequent sedimentation tank, and the exhaust gas purification, dust-free and environmental protection air leakage monitoring system also includes a closed spiral pipe for closed transportation of solid materials from the solid storage box to the stirring reaction chamber. The controllable valve device at the outlet of the storage box and the liquid storage box, the waste gas purification treatment device for recycling and processing polluted waste gas, and the air tightness detection device arranged around the interface of the gas delivery pipe, the closed spiral pipe includes a cylindrical body , a screw shaft rotatably inserted coaxially in the barrel, connected with one end of the screw shaft and driving the driving device of the screw shaft, wherein the barrel includes a material inlet communicated with the solid storage box and The material outlet communicated with the stirring reaction chamber, the controllable valve device includes a valve plate for controlling the opening of the transport pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate, which can be controlled The valve device includes a first control valve and a second control valve. The first control valve device is installed at the outlet of the solid storage box to control the speed at which the solid material in the solid storage box enters the stirring reaction chamber. The second control valve The valve is installed at the outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box into the stirring reaction chamber, wherein the exhaust gas purification treatment device includes an air extraction device arranged on the inlet pipe of the exhaust gas purification treatment device to filter the dust in the exhaust gas The dust filter chamber for particulate matter, the condensation and liquefaction recovery chamber for liquefying and recovering sulfur trioxide in the exhaust gas, and the catalyst absorption chamber for absorbing sulfur dioxide, the air tightness detection device is installed in the gas delivery pipe connected to each chamber that needs to deliver gas. Around the interface, the air-tightness detection device includes a soft glue layer surrounding the interface, a hard shell covering the soft glue layer, and installed on the inner surface of the hard shell in contact with the soft glue layer A number of pressure sensors, wherein the soft rubber layer can be selected by those skilled in the art according to the actual needs of high temperature resistant rubber or acid and corrosion resistant silicone rubber composite materials, which will not be repeated here;

The closed helical tube includes a cylinder, a screw shaft, a material inlet, a material outlet, and a drive device for driving the screw shaft. The material inlet is provided at the upper end of one side of the cylinder and the material solid The storage tank is connected, and the material outlet is arranged at the lower end of the other side of the material cylinder to communicate with the stirring reaction chamber, wherein the screw shaft is rotatably inserted coaxially in the cylinder, and one end of the screw shaft penetrates the cylinder The front end of the screw shaft is drivingly connected with the driving device, wherein the screw shaft comprises a plurality of helical blades arranged and connected at equal distances along the axial direction of the screw shaft, and a mounting portion, and the front end of the mounting portion is drivingly connected with the driving device, wherein The driving device can be selected by those skilled in the art to provide power for the closed coiled pipe by selecting hydraulic components or electric components according to actual needs, which will not be repeated here;

The front end part of the cylinder has a front cylinder separated by a partition, the driving device is flanged in the front cylinder, and the driving device also includes a connecting unit, and the screw shaft passes through the partition and enters the cylinder. The front end of the cylinder body is connected with the driving device in a transmission, wherein the screw shaft is mounted on the connecting unit through a pin shaft, so as to facilitate the disassembly and assembly of the screw shaft;

The driving device is electrically connected with the controller, and the screw shaft rotates under the action of the driving device, and the solid material in the closed spiral tube is brought from the material inlet to the material outlet into the stirring reaction chamber through the movement of the screw blade, and the operator The driving device can be remotely opened by manipulating the controller, so that the solid material in the solid storage box can be transported in the closed spiral pipe;

The closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials will not scatter in the environment during transportation, causing material loss and environmental pollution;

The controllable valve device includes a first control valve for controlling the solid material in the solid storage tank to enter the closed spiral pipe and a second control valve for controlling the liquid material in the liquid storage tank to enter the stirring reaction chamber. ;

The first control valve includes a first oil cylinder, a first valve plate and a first valve plate groove that open and close the outlet of the solid storage tank, and the first valve plate is driven by the first oil cylinder along the The inner wall of the first valve plate groove orbitally moves, one end of the first oil cylinder is installed on the outer peripheral wall of the cylinder body, and the other end of the first oil cylinder is connected to one side of the first valve plate through the connecting piece, the first oil cylinder controls the first valve plate to open and close the outlet of the solid storage tank;

The second control valve includes a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate and a second valve plate groove for opening and closing the outlet of the liquid storage tank, the second valve plate The plate is driven by the second oil cylinder to orbit along the inner wall of the sliding groove, the second control valve is arranged at the outlet of the liquid storage box, the second oil cylinder is fixed on the outer wall of the transport pipe through the fixed base, and the first One end of the second oil cylinder is connected to the second control valve, one end of the second oil cylinder is connected to one side of the second valve plate through a connecting piece, and the second oil cylinder controls the second valve plate in the liquid storage tank The opening at the outlet of the liquid storage tank to realize opening and closing the outlet of the liquid storage tank and control the flow rate of the liquid material of the liquid storage tank into the stirring reaction chamber;

The first oil cylinder and the second oil cylinder are respectively wirelessly connected with a control device, and the control device can be controlled by remotely controlling the outlet of the solid storage tank and/or the opening of the outlet of the solid storage tank The speed at which the solid material in the solid storage box and the liquid material in the liquid storage box enter the stirring reaction chamber;

The exhaust gas purification and treatment device includes an air inlet, an air outlet, a gas delivery pipe, an air extraction device, a dust filter chamber for filtering dust particles in the exhaust gas, and a condensation liquefaction recovery chamber for liquefying and recovering sulfur trioxide and other gases with low liquefaction temperature in the liquefied gas. , a catalyst absorption chamber for absorbing sulfur dioxide, wherein the air extraction device is fixed on the upper part of the air inlet of the gas conveying pipe, the outlet of the dust filter chamber is communicated with the inlet of the condensation and liquefaction recovery chamber, and the condensation and liquefaction recovery chamber The outlet of the chamber is communicated with the inlet of the catalyst absorption chamber, wherein the outlet of the catalyst absorption chamber, that is, the air outlet, leads to the atmosphere;

The dust filter chamber includes a dust filter plate and a dust accumulation chamber. The dust filter plate is obliquely fixed in the dust filter chamber, the lower end of the dust filter plate is connected to the dust accumulation chamber, and the dust is intercepted on the filter plate. After time use, dust particles will accumulate on the filter plate. When the amount of dust particles on the dust filter plate reaches the highest value, the dust particles on the upper part of the dust filter plate will move towards the filter plate along the dust filter plate under the action of gravity. The lower part of the dust filter plate rolls down, and drives the dust in the lower part of the filter plate to roll down together into the dust chamber connected with the dust filter plate;

The condensation and liquefaction recovery chamber includes a temperature measuring device installed on the outer wall of the condensation and liquefaction recovery chamber, a cooling device installed in the condensation and liquefaction recovery chamber, and a liquid recovery chamber for collecting sulfur trioxide condensate, wherein the cooling The device includes a number of horizontally arranged condensing panels, the condensing panels are installed horizontally in the condensing liquefaction chamber through a fixed seat, and the condensing panels are formed by condensing pipes arranged in a serpentine shape, and the condensing pipes are arranged in a serpentine shape. There are gaps between them, so the contact surface area between the gas and the condenser is increased, and the condensation efficiency is effectively improved. The condensation pipe can be selected by those skilled in the art according to actual needs. Acid-resistant and high-temperature resistant metal pipes will not be repeated here. The bottom of the condensing and liquefaction chamber is an inclined bottom plate with a certain inclination angle, the lower end of the inclined bottom plate is an opening near the inner wall of the condensing and liquefaction chamber, and the opening is connected to the liquid recovery chamber through a connecting guide pipe ;

The first filtered gas enters the condensation and liquefaction recovery chamber, and the temperature drops under the action of the multi-layer condensation plates. After the sulfur trioxide is liquefied, it slides down and drips along the inner wall of the condensation and liquefaction chamber to the inclined bottom plate, under the action of gravity. The lower sulfur trioxide liquid slides down to the opening on the inclined sliding bottom plate, and flows into the liquid recovery chamber through the connecting guide pipe;

There is a constant temperature device in the liquid recovery chamber, so that the temperature in the liquid recovery chamber is kept lower than the vaporization temperature of sulfur trioxide, so as to prevent sulfur trioxide from overflowing the liquid recovery chamber again;

The temperature measuring device is connected to a control device, and the control device adjusts the cooling force of the cooling device according to the temperature value of the temperature measuring device to form an intelligent cooling module, which does not require production operators to regulate the cooling device in real time to control all the cooling devices. the temperature of the condensation liquefaction chamber;

The catalyst absorption chamber includes several catalyst placement chambers, the catalyst placement chambers include two perforated partitions and a catalytic adsorbent, and the two perforated partitions are fixedly connected to the inner wall of the catalyst absorption chamber to form a catalyst placement chamber, wherein the catalyst placement chambers are formed. The aperture of the perforated partition is smaller than the outer diameter of the catalytic adsorbent, and there are valves on both sides of the catalyst placement cavity. The catalytic absorbent in the catalyst placement cavity is replaced;

Start the air extraction device, the exhaust gas first enters the dust filter chamber, and the dust particles in the exhaust gas are trapped in the dust filter chamber. The gas delivery pipe is transported to the condensation and liquefaction recovery chamber, wherein the gas coming out of the condensation and liquefaction chamber is the second filtered gas, the second filter body emerges from the condensation and liquefaction recovery chamber to the catalyst absorption chamber for absorbing sulfur dioxide, and the exhaust gas passes through After three layers of filtration, it is discharged to the atmosphere from the air outlet. The exhaust gas is filtered through dust particles, liquefied to collect sulfur trioxide, adsorbed to collect sulfur dioxide, and then discharged from the air outlet to the atmosphere without causing air pollution;

The long-term use of the gas delivery pipe will lead to the phenomenon of gas leakage in the pipeline, among which the probability of gas leakage at the interface of the delivery pipeline is greater, and the gas transported by the delivery pipeline of the waste purification treatment device contains the stimulation of by-products of the process of producing dihydrate gypsum. When the transmission pipeline leaks, it will cause pollution of the production operation environment and further cause acute or chronic damage to the health of the operators;

The air tightness detection device includes a soft rubber layer, a hard shell and a number of pressure sensors laid in the hard shell at the contact with the soft rubber layer, and the soft rubber layer is wrapped in the gas of the waste purification treatment device. Near the connection port between the conveying pipe and each chamber, the hard shell is wrapped outside the soft rubber layer, the pressure sensors are respectively connected to the processing device and the power supply, and the material of the soft rubber layer includes slow aging speed and high temperature resistance. Strong high temperature resistant soft rubber layer and/or high temperature resistant rubber and silicone rubber composite;

The air tightness detection device is arranged at the interface between the waste purification treatment device and the stirring reaction chamber, around the interface between the gas delivery pipeline and the gas inlet and outlet of the dust filter chamber, and the gas delivery pipeline around the interface with the inlet and outlet of the condensation and liquefaction recovery chamber, and around the interface between the gas delivery pipeline and the inlet of the condensation and liquefaction recovery chamber;

When the gas leaks, the gas at the leaking port rushes out and squeezes the soft rubber layer, the pressure value of the pressure sensor near the corresponding position of the leaking port on the hard shell increases, and the pressure sensor is connected to the processing device. When the rising value of the pressure value of the pressure sensor reaches a predetermined threshold in advance, the pressure sensor sends a signal to the processing device, and the processing device receives the signal and sends the pressure value displayed by the pressure sensor and the corresponding warning signal To the display screen to warn people to pay attention to avoid danger and repair the gas delivery pipe of the leaking gas;

And the several pressure sensors have independent numbers, and the processing device will receive the corresponding number of the pressure sensor that senses the pressure, and can find the corresponding position of the pressure sensor according to the corresponding number, and perform maintenance on the position;

At the same time, the soft rubber layer and the hard shell effectively prevent the exhaust gas containing irritating gas from overflowing from the gas conveying pipe, which will pollute the atmospheric environment and damage the health of factory workers before the pipeline is repaired.

While the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the invention. That said, the methods, systems and apparatus discussed above are examples. Various configurations may omit, substitute or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different from that described, and/or various components may be added, omitted, and/or combined. Furthermore, features described with respect to certain configurations may be combined in various other configurations, eg, different aspects and elements of the configurations may be combined in a similar manner. Furthermore, elements therein may be updated as technology develops, ie, many of the elements are examples and do not limit the scope of the disclosure or the claims.

Specific details are given in the description to provide a thorough understanding of example configurations, including implementations. However, configurations may be practiced without these specific details. For example, well-known circuits, procedures, algorithms, structures and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing descriptions of configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

In conclusion, it is intended that the above detailed description is to be considered as illustrative rather than restrictive, and it should be understood that these embodiments above should be understood to be merely illustrative of the present invention and not intended to limit the scope of protection of the present invention. After reading the contents of the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims (6)

1. A waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through a conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank,

the system is characterized in that the waste gas purification dust-free environment-friendly gas leakage monitoring system further comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber, a controllable valve device at the outlet of the solid storage box and the liquid storage box, a waste gas purification treatment device for recycling and treating polluted waste gas, and a gas tightness detection device arranged around the interface of the gas conveying pipe.

2. The exhaust gas purification dust-free environmental gas leakage monitoring system according to claim 1, wherein said closed spiral pipe comprises a cylindrical body, a spiral shaft rotatably and coaxially inserted into said cylindrical body, and a driving means connected to one end of said spiral shaft and driving said spiral shaft, wherein said cylindrical body comprises a material inlet communicating with said solid storage tank and a material outlet communicating with said agitation reaction chamber.

3. An exhaust gas purification dust-free and environment-friendly gas leakage monitoring system according to any of the preceding claims, wherein said controllable valve means comprises a valve plate for controlling the opening of said transport pipe, a cylinder for driving said valve plate, and a valve plate slot for cooperating with said valve plate.

4. An exhaust gas purification dust-free environment-friendly gas leakage monitoring system as claimed in any one of the preceding claims, wherein the controllable valve device comprises a first control valve and a second control valve, the first control valve device is installed at an outlet of the solid storage box to control the speed of the solid material in the solid storage box entering the stirring reaction chamber, and the second control valve device is installed at an outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber.

5. An exhaust gas purification dust-free environment-friendly gas leakage monitoring system according to any one of the preceding claims, wherein the exhaust gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the exhaust gas purification treatment device, a dust filter chamber for filtering dust particles in the exhaust gas, a condensation liquefaction recovery chamber for liquefying sulfur trioxide in the recovered exhaust gas, and a catalyst absorption chamber for absorbing sulfur dioxide.

6. A waste gas purification dust-free environment-friendly gas leakage monitoring system as claimed in any one of the preceding claims, wherein a gas tightness detection device is installed around the interface where the gas delivery pipe is connected with each chamber needing to deliver gas, the gas tightness detection device comprises a soft rubber layer wrapping around the interface, a hard shell covering on the soft rubber layer, and a plurality of pressure sensors installed on the inner side surface of the hard shell contacting with the soft rubber layer.

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