CN118561473B

CN118561473B - High-salt wastewater treatment system containing organic matters

Info

Publication number: CN118561473B
Application number: CN202410882657.9A
Authority: CN
Inventors: 李睿
Original assignee: Chongqing Ningzhou Environmental Protection Technology Co ltd
Current assignee: Chongqing Ningzhou Environmental Protection Technology Co ltd
Priority date: 2024-07-03
Filing date: 2024-07-03
Publication date: 2024-10-25
Anticipated expiration: 2044-07-03
Also published as: CN118561473A

Abstract

The invention relates to a high-salt wastewater treatment system containing organic matters, which comprises a base and a top plate, wherein an outer cylinder body and an inner cylinder body are arranged between the base and the top plate, a plurality of cathode cylinder bodies and anode cylinder bodies which are alternately arranged are arranged between the outer cylinder body and the inner cylinder body, and oxidation catalytic cavities are arranged between the adjacent cathode cylinder bodies and anode cylinder bodies; each cathode cylinder is connected with a negative electrode of a direct current power supply through a wire, and each anode cylinder is connected with a positive electrode of the direct current power supply through a wire; the bottom of the oxidation catalytic cavity is provided with a permeable membrane component, a base at the bottom of the oxidation catalytic cavity is provided with a permeable hole, a water collecting chamber is arranged below the permeable hole, and the water collecting chamber is connected with a driving pump; the inner cavity of the inner cylinder body is communicated with the oxidation catalytic cavity, the inner cavity of the inner cylinder body is connected with a vacuum pump, a heating assembly is arranged in the inner cylinder body, and a salt discharging mechanism is arranged at the bottom of the inner cylinder body. The invention integrates all functional devices into a whole, and reduces the volume and the occupied area of the devices.

Description

High-salt wastewater treatment system containing organic matters

Technical Field

The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-salt wastewater treatment system containing organic matters.

Background

In the production process of food, chemical industry, pharmacy and other industries, high-salt wastewater containing organic matters can be generated, and the wastewater can be discharged after innocent treatment. At present, the common treatment process comprises catalytic oxidation to decompose organic matters, concentration to increase salt concentration and crystallization treatment to obtain salt. The catalytic oxidation, concentration and crystallization can be realized by adopting various devices, but no matter what type of device is adopted, the catalytic oxidation, concentration and crystallization are all carried out in independent devices, and all devices are connected by adopting pipelines, so that the whole treatment system is large in size, large in occupied area and inconvenient to move, transport and install.

Disclosure of Invention

The invention aims to solve the technical problem of providing a high-salt wastewater treatment system containing organic matters, which integrates all functional equipment into a whole, so that the volume and the occupied area are reduced.

In order to solve the problems, the invention adopts the following technical scheme: the high-salinity wastewater treatment system comprises a base and a top plate which are horizontally arranged, wherein a vertical outer cylinder body is arranged between the base and the top plate, the outer cylinder body is provided with a water inlet, and the water inlet is connected with an ozone generating mechanism; the inside of the outer cylinder body is provided with a vertical inner cylinder body, a plurality of cathode cylinder bodies and anode cylinder bodies which are alternately arranged are arranged between the outer cylinder body and the inner cylinder body, the outer cylinder body, the inner cylinder body, the cathode cylinder bodies and the anode cylinder bodies are coaxially arranged, oxidation catalytic cavities are arranged between the adjacent cathode cylinder bodies and anode cylinder bodies, the upper ends of the cathode cylinder bodies and the anode cylinder bodies are arranged on a top plate through upper insulating connecting cylinders, the lower ends of the cathode cylinder bodies and the anode cylinder bodies are arranged on a base through lower insulating connecting cylinders, a plurality of upper water passing holes are formed in the upper insulating connecting cylinders on one side of the upper end of each oxidation catalytic cavity, a plurality of lower water passing holes are formed in the lower insulating connecting cylinders on one side of the lower end of each oxidation catalytic cavity, and the upper water passing holes and the lower water passing holes are formed in two sides of the oxidation catalytic cavity; each cathode cylinder is connected with a negative electrode of a direct current power supply through a wire, and each anode cylinder is connected with a positive electrode of the direct current power supply through a wire; the bottom of each oxidation catalytic cavity is provided with a permeable membrane component, the base of the bottom of each oxidation catalytic cavity is provided with a permeable hole, a water collecting chamber is arranged below the permeable hole, and the water collecting chamber is connected with a driving pump; the inner cavity of the inner cylinder body is communicated with the oxidation catalytic cavity, the inner cavity of the inner cylinder body is connected with a vacuum pump, a heating assembly is arranged in the inner cylinder body, and a salt discharging mechanism is arranged at the bottom of the inner cylinder body.

Further, a concentrated crystallization chamber with an open top and a pressure pump are arranged in the inner cylinder body, an inlet of the pressure pump is communicated with the oxidation catalytic cavity, an outlet of the pressure pump is connected with a pressure pipe, the pressure pipe stretches into the concentrated crystallization chamber, and an injection head is arranged at the end part of the pressure pipe; the heating component is arranged on the outer wall of the concentrating crystallization chamber, and the salt discharging mechanism is arranged inside the concentrating crystallization chamber.

Further, the bottom of concentrated crystallization room is provided with the album salt chamber that the section is semi-circular and horizontal extension, and the one end in album salt chamber is connected with the pressure filter tube, arrange salt mechanism including being located the row salt axle in album salt chamber, the one end of arranging the salt axle is connected with row salt motor, it is provided with spiral row's salt piece to arrange the salt epaxial, arrange the salt axle and stretch into the pressure filter tube, and the pressure filter tube towards keeping away from the direction internal diameter in album salt chamber and reduce gradually, the pressure filter tube lateral wall is provided with a plurality of wash ports, the below of pressure filter tube is provided with the water catch bowl, the water catch bowl is connected with the circulating pipe, be provided with the circulating pump on the circulating pipe, the pressure filter tube is kept away from the one end in album salt chamber and is provided with row salt pipe, it runs through the base downwards vertically to arrange salt pipe.

Further, the lateral wall of pressure filter pipe is provided with defeated salt pipe, defeated salt pipe is connected with the screw conveyer mechanism that the slope set up, the upper portion of concentrated crystallization room inner chamber is provided with the carousel, all be provided with a plurality of sieve meshes on the bottom plate and the lateral wall of carousel, the carousel is connected with drive carousel pivoted unloading actuating mechanism, screw conveyer mechanism's export is located the top of carousel.

Further, be provided with the crystallization and detect the spheroid in the concentrated crystallization chamber, the crystallization detects the spheroid and is connected with the rotatory actuating mechanism of drive crystallization detection spheroid pivoted, rotatory actuating mechanism is connected with the elevating system that drive crystallization detection spheroid removed between crystallization station, detection station and washing station, crystallization station, detection station and washing station follow supreme setting gradually down, one side of detection station is provided with crystallization thickness detection element, washing station is located the place ahead of injector head, crystallization thickness detection element is connected with the controller, elevating system, rotary actuating mechanism and heating element all link to each other with the controller.

Further, the crystal thickness detection element is a laser range finder.

Further, the heating component is an electric heating wire.

Further, the lower surface of base is provided with the heat preservation, a plurality of vertical supporting legs.

Further, the cathode cylinder and the anode cylinder are iron cylinders.

The beneficial effects of the invention are as follows: in the invention, the wastewater is catalyzed and oxidized in each oxidation catalytic cavity, so that organic matters are decomposed, and the organic matters are removed, and when the electrocatalytic treatment is carried out, water in the oxidation catalytic cavity permeates into a water collecting chamber below through a permeation membrane component at the bottom, and pollution components such as salts and the like stay in the oxidation catalytic cavity, so that the wastewater in the oxidation catalytic cavity is concentrated. The partial osmotic pressure is provided by the water pressure of the wastewater, the water in the water collecting chamber is pumped out by the driving pump, and meanwhile, the vacuum is formed in the water collecting chamber, so that the osmotic pressure is further increased. The waste water after catalytic oxidation and concentration finally enters the inner cylinder body, is heated in an environment lower than the external air pressure, is evaporated and discharged, and the salt is crystallized.

The invention integrates the relevant equipment such as catalytic oxidation, concentration, crystallization and the like, reduces the occupied area of a treatment system, and is easy to manufacture, transport and install. In addition, the reaction speed of catalytic oxidation is generally slower, so that each oxidation catalytic cavity is arranged at the periphery, has larger volume, and can stay in each oxidation catalytic cavity for a longer time, so that sufficient catalytic oxidation and concentration are ensured. The crystallization rate is faster and can be completed in a smaller space, thus being performed at the center of the system. Therefore, the invention can reasonably utilize the space, reduce the volume of the equipment and simultaneously meet the wastewater treatment requirement.

In addition, crystallization treatment is carried out in the inner cylinder body in the center of the system, heat of the heating component is transmitted to the surrounding oxidation catalytic cavity after being dissipated and absorbed by the waste water, the waste water is preheated, and the waste water cannot be directly transmitted to the air, so that heat loss of the heating component can be effectively avoided, and the heat utilization rate of the heating component is improved.

Drawings

FIG. 1 is a schematic view in front cross-section of the present invention;

FIG. 2 is a schematic cross-sectional view of a salt-collecting chamber;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;

Reference numerals: 1-a base; 2-an outer cylinder; 3-an inner cylinder; 4-cathode cylinder; 5-an anode cylinder; 6-top plate; 7-an upper insulating connecting cylinder; 8-a lower insulating connecting cylinder; 9-a direct current power supply; 10-water passing holes; 11-a drainage hole; 12-a water inlet; 13-an ozone generating mechanism; 14-a permeable membrane module; 15-a water collecting chamber; 16-driving a pump; 17-a heating assembly; 18-a vacuum pump; 19-a concentrating crystallization chamber; 20-a pressure pump; 21-pressure pipe; 22-a spray head; 23-a salt discharging shaft; 24-a salt discharging motor; 25-salt discharging tablets; 26-a filter pressing pipe; 27-a water collecting tank; 28-a circulation pipe; 29-a circulation pump; 30-a salt discharging pipe; 31-a salt conveying pipe; 32-a screw conveying mechanism; 33-a turntable; 34-a blanking driving mechanism; 35-crystallizing the detection sphere; 36-lifting mechanism; 37-a crystal thickness detection element; 38-a controller; 39—a rotary drive mechanism; 40, an insulating layer; 41-support legs.

Detailed Description

The invention will be further described with reference to the drawings and examples.

The organic matter-containing high-salt wastewater treatment system of the invention, as shown in fig. 1 to 3, comprises a base 1 and a top plate 6 which are horizontally arranged, wherein the base 1 and the top plate 6 are made of metal plates, such as stainless steel plates, and the like, and the base 1 has a larger thickness and can bear larger load. A vertical outer cylinder body 2 is arranged between the base 1 and the top plate 6, the outer cylinder body 2 is provided with a water inlet 12, and the water inlet 12 is used for leading the organic matter-containing high-salt wastewater into the outer cylinder body 2. The water inlet 12 is connected with an ozone generating mechanism 13, the ozone generating mechanism 13 is used for generating ozone, oxygen atoms after ozone decomposition have strong oxidability, organic matter decomposition can be promoted, the ozone generating mechanism 13 adopts the existing ozone generator, and the generated ozone simultaneously enters the outer cylinder 2 along with wastewater through the water inlet 12.

The inside vertical inner cylinder 3 that is provided with of outer barrel 2, outer barrel 2 and inner cylinder 3 are circular barrel, specifically can adopt stainless steel cylinder, its upper end and roof 6 fixed connection, lower extreme and base 1 fixed connection, in order to prevent parts such as high salt waste water corrosion outer barrel 2, inner cylinder 3, base 1, can be at parts surface coating anticorrosive paint such as outer barrel 2, inner cylinder 3, base 1.

A plurality of cathode cylinder bodies 4 and anode cylinder bodies 5 which are alternately arranged are arranged between the outer cylinder body 2 and the inner cylinder body 3, the cathode cylinder bodies 4 and the anode cylinder bodies 5 are round cylinder bodies, and are made of conductive materials, such as graphite cylinder bodies and the like, and are made of iron cylinder bodies, so that the novel cathode-anode composite material is simple in manufacture, low in cost, capable of being replaced regularly and low in maintenance cost. The outer cylinder 2, the inner cylinder 3, the cathode cylinder 4 and the anode cylinder 5 are coaxially arranged.

An oxidation catalytic cavity is arranged between the adjacent cathode cylinder body 4 and anode cylinder body 5, the upper ends of the cathode cylinder body 4 and anode cylinder body 5 are arranged on a top plate 6 through an upper insulating connecting cylinder 7, and the lower ends of the cathode cylinder body 4 and anode cylinder body 5 are arranged on a base 1 through a lower insulating connecting cylinder 8. The upper insulating connecting cylinder 7 and the lower insulating connecting cylinder 8 are made of insulating materials, so that the cathode cylinder 4 and the anode cylinder 5 are prevented from being leaked, and a plastic cylinder with higher strength can be adopted. Slots can be arranged on the lower end face of the upper insulating connecting cylinder 7 and the upper end face of the lower insulating connecting cylinder 8, and the cathode cylinder 4 and the anode cylinder 5 are inserted into the slots. Each cathode cylinder 4 is connected with the negative pole of the direct current power supply 9 through a wire, and each anode cylinder 5 is connected with the positive pole of the direct current power supply 9 through a wire. After the cathode cylinder 4 and the anode cylinder 5 are communicated with the direct current power supply 9, the electro-catalysis function is realized, ozone decomposition is promoted, active oxygen is generated, organic matters in water are decomposed by the active oxygen, and microorganisms such as bacteria and the like are killed. The dc power supply 9 may be a conventional dc battery or the like.

A plurality of upper water holes 10 are formed in the upper insulating connecting cylinder 7 on one side of the upper end of each oxidation catalytic cavity, a plurality of lower water holes 11 are formed in the lower insulating connecting cylinder 8 on one side of the lower end of each oxidation catalytic cavity, and the upper water holes 10 and the lower water holes 11 are located on two sides of the oxidation catalytic cavity. The upper water passing hole 10 and the lower water passing hole 11 communicate with adjacent two oxidation catalytic chambers, so that wastewater can flow from the outside oxidation catalytic chamber into the inside oxidation catalytic chamber. The oxidation catalytic cavity is communicated with the oxidation catalytic cavity on one side through the upper water passing hole 10 and is communicated with the oxidation catalytic cavity on the other side through the lower water passing hole 11, so that wastewater flows upwards in the previous oxidation catalytic cavity and downwards in the next oxidation catalytic cavity to form an S-shaped flow path, the flow path of the wastewater can be prolonged, the residence time in the oxidation catalytic cavity is prolonged, and the sufficient removal of organic matters is realized.

The bottom of each oxidation catalytic cavity is provided with a permeable membrane assembly 14, the permeable membrane assembly 14 can be fixed on the base 1, the base 1 at the bottom of each oxidation catalytic cavity is provided with a permeable hole, a water collecting chamber 15 is arranged below the permeable hole, and the water collecting chamber 15 is connected with a driving pump 16. The permeable membrane component 14 adopts a permeable membrane through which small molecules such as water molecules can pass, large molecules such as salts and organic matters can not pass, part of water in the oxidation catalytic cavity can permeate the permeable membrane component 14, then enters the water collecting chamber 15 through the permeation hole, is pumped out by the driving pump 16, negative pressure is generated in the water collecting chamber 15 when the driving pump 16 pumps out water, the water in the oxidation catalytic cavity is promoted to further permeate, the salts, the organic matters and the like in the wastewater stay in the oxidation catalytic cavity, the organic matters are gradually decomposed, and the high-salt wastewater is gradually concentrated.

The inner cavity of the inner cylinder body 3 is communicated with the innermost oxidation catalytic cavity, the inner cavity of the inner cylinder body 3 is connected with a vacuumizing pump 18, a heating component 17 is arranged in the inner cylinder body 3, and a salt discharging mechanism is arranged at the bottom of the inner cylinder body 3. The vacuum pump 18 can pump out the air in the inner cylinder 3, and reduce the pressure in the inner cylinder 3, thereby reducing the boiling point of water and promoting the evaporation of water. A barometer may be provided in the inner cylinder 3 to detect the air pressure in the inner cylinder 3 so as to accurately and stably control the pressure in the inner cylinder 3. The heating component 17 is used for heating the wastewater, so that the temperature of the wastewater is increased to evaporate, salt in the wastewater can be crystallized to precipitate to the bottom of the inner cylinder 3, and finally the salt is discharged through the salt discharging mechanism. The vapor generated in the inner cylinder 3 is discharged by the vacuum pump 18.

The invention integrates the component for realizing catalytic oxidation, the component for realizing concentration treatment and the component for realizing heating crystallization into a whole, is arranged on the same base 1, has high equipment integration level and small occupied area, and is convenient for manufacturing, transportation and installation. Because the catalytic oxidation reaction speed is slower, the crystallization speed is faster, therefore, the catalytic oxidation is carried out around the inner cylinder 3, the catalytic oxidation space is large, the waste water flow path is long, the residence time is long, the sufficient removal of organic matters and the sufficient concentration are ensured, the crystallization is carried out inside the inner cylinder 3 with smaller space, the heating assembly 17 is favorable for heating the waste water quickly and uniformly, the heating efficiency is improved, and the rapid evaporation of water is promoted. In addition, the evaporation crystallization is carried out at the center of the equipment, and the heat of the heating component 17 is not directly transmitted to the air to be lost, but is transmitted to the surrounding wastewater to preheat the wastewater, so that the heat waste is reduced.

The waste water in the innermost oxidation catalytic cavity can naturally flow into the inner cylinder body 3, but the evaporation efficiency is lower in the mode, in order to improve the evaporation efficiency, a concentrated crystallization chamber 19 with an open top and a pressure pump 20 are arranged in the inner cylinder body 3, the concentrated crystallization chamber 19 can be fixed on the base 1 through a support frame, an inlet of the pressure pump 20 is communicated with the oxidation catalytic cavity through a pipeline, an outlet of the pressure pump 20 is connected with a pressure pipe 21, the pressure pipe 21 stretches into the concentrated crystallization chamber 19, and an injection head 22 is arranged at the end part of the pressure pipe 21; the heating element 17 is arranged on the outer wall of the concentrating crystallization chamber 19, and the salt discharging mechanism is arranged inside the concentrating crystallization chamber 19. The wastewater subjected to concentration and catalytic oxidation flows to the jet head 22 by the pressure pump 20, and is then jetted into the concentration crystallization chamber 19 by the jet head 22. The pressure pump 20 can pressurize the waste water, the pressurized waste water is sprayed by the spray head 22 and enters an environment with lower pressure, and evaporation of water is promoted due to sudden change of the pressure, in addition, the spray head 22 can disperse the waste water, the evaporation area is increased, and the water evaporation speed is further improved.

The bottom of concentrated crystallization room 19 is provided with the salt collecting chamber that the section is semi-circular and horizontal extension, the one end in salt collecting chamber is connected with filter-pressing pipe 26, arrange salt mechanism and including being located the salt discharging shaft 23 in the salt collecting chamber, arrange salt shaft 23 and the coaxial setting in salt collecting chamber, the one end of arranging salt shaft 23 is connected with arranges salt motor 24, arrange salt motor 24 can drive row salt shaft 23 rotation, arrange the fixed row salt piece 25 that is provided with on the salt discharging shaft 23, row salt piece 25 can rotate along with row salt shaft 23, and row the edge and the contact of salt collecting chamber inner wall of salt piece 25, when row salt piece 25 rotates, can scrape the salt of salt collecting chamber inner wall and promote salt axial displacement. The salt discharging shaft 23 stretches into the filter pressing pipe 26, the inner diameter of the filter pressing pipe 26 gradually decreases towards the direction away from the salt collecting cavity, a plurality of drain holes are formed in the side wall of the filter pressing pipe 26, a water collecting tank 27 is arranged below the filter pressing pipe 26, the water collecting tank 27 is connected with a circulating pipe 28, the circulating pipe 28 is communicated with the concentrating crystallization chamber 19, a circulating pump 29 is arranged on the circulating pipe 28, a salt discharging pipe 30 is arranged at one end, away from the salt collecting cavity, of the filter pressing pipe 26, and the salt discharging pipe 30 vertically penetrates through the base 1 downwards.

In the concentrating crystallization chamber 19, salt is crystallized continuously and is settled to the bottom of the concentrating crystallization chamber 19, the bottom wall of the concentrating crystallization chamber 19 can be set to be an inclined plane, the salt collecting cavity is arranged at the lowest position of the bottom wall, so that salt can enter the salt collecting cavity, then the salt discharging shaft 23 and the salt discharging sheet 25 are driven to rotate by the salt discharging motor 24, the salt in the salt collecting cavity is pushed to move axially, a small amount of waste water and salt enter the pressure filter pipe 26, the salt is pressed continuously due to the gradual reduction of the inner diameter of the pressure filter pipe 26, the salt waste water is extruded, and falls into the water collecting tank 27 below through the water discharging hole on the pressure filter pipe 26, and then is conveyed to the concentrating crystallization chamber 19 again by the circulating pump 29. The squeezed and dehydrated salt reaches the salt discharging pipe 30 and then is discharged downward along the salt discharging pipe 30, and a collecting container for collecting salt may be provided at the lower end of the salt discharging pipe 30.

In the salt crystallization process, crystal nuclei are formed firstly, and then the crystal nuclei are used as centers for crystallization, so that crystals grow, and the crystal nuclei are the starting points and the cores of the crystallization in the solution. The crystallization speed of the whole is affected by the slow natural crystal nucleus generation speed in the solution, and in order to improve the crystallization efficiency, the side wall of the filter pressing pipe 26 is provided with a salt conveying pipe 31, the inner diameter of the salt conveying pipe 31 is smaller than that of the filter pressing pipe 26, the salt conveying pipe 31 is communicated with the filter pressing pipe 26, and when salt in the filter pressing pipe 26 is extruded, part of the salt can enter the salt conveying pipe 31. The salt conveying pipe 31 is connected with a spiral conveying mechanism 32 which is obliquely arranged, a turntable 33 is arranged on the upper portion of the inner cavity of the concentrating crystallization chamber 19, a plurality of sieve holes are formed in the bottom plate and the side wall of the turntable 33, the turntable 33 is connected with a blanking driving mechanism 34 which drives the turntable 33 to rotate, and an outlet of the spiral conveying mechanism 32 is positioned above the turntable 33. The salt in the salt conveying pipe 31 gradually moves to the spiral conveying mechanism 32, is conveyed to the upper part of the rotary table 33 by the spiral conveying mechanism 32 and falls into the rotary table 33, the rotary table 33 is driven to continuously rotate by the blanking driving mechanism 34, the salt in the rotary table 33 continuously rolls and disperses into small-particle salt, the small-particle salt falls into the wastewater below through the sieve holes, the small-particle salt can serve as crystal nuclei, the salt in the wastewater can grow by taking the crystal nuclei as the center, the crystal nuclei generating process is omitted, and therefore the crystallization efficiency can be improved. The blanking driving mechanism 34 may be a motor or the like.

Conventional evaporative crystallization apparatuses generally control the crystallization rate by controlling the temperature, but since the salt concentration in the wastewater is fluctuating and not constant, it is not guaranteed that the crystallization rate remains stable even if the temperature is maintained. In order to control the crystallization speed conveniently, so that the crystallization speed is kept stable, and the stability of the whole system is improved, in the invention, a crystallization detection sphere 35 is arranged in the concentration crystallization chamber 19, and the crystallization detection sphere 35 adopts spheres with smooth surfaces, such as metal spheres, plastic spheres and the like. The crystallization detecting sphere 35 is connected with a rotation driving mechanism 39 for driving the crystallization detecting sphere 35 to rotate, the rotation driving mechanism 39 can adopt a motor, the rotation driving mechanism 39 is connected with a lifting mechanism 36 for driving the crystallization detecting sphere 35 to move among the crystallization station, the detection station and the flushing station, and the lifting mechanism 36 can be a linear motor. The crystallization station, the detection station and the flushing station are sequentially arranged from bottom to top, the crystallization station is positioned below the liquid level of the wastewater, and the crystallization detection sphere 35 is positioned in the wastewater when the crystallization station is positioned. The detection station is used for detecting the crystallization thickness of the surface of the crystallization detection sphere 35, and one side of the detection station is provided with a crystallization thickness detection element 37. The rinsing station is used for rinsing off crystals on the surface of the crystallization detection sphere 35, so that the surface of the crystallization detection sphere 35 is restored to a smooth state, and the next detection is facilitated. The flushing station is located in front of the spray head 22, and the crystallization detection sphere 35 is flushed with the waste water sprayed from the spray head 22 to remove the crystallization. The crystal thickness detecting element 37 is connected with a controller 38, the controller 38 can adopt a common control element such as a PLC, the lifting mechanism 36, the rotary driving mechanism 39 and the heating assembly 17 are all connected with the controller 38, and the operations of the lifting mechanism 36, the rotary driving mechanism 39 and the heating assembly 17 are all controlled by the controller 38.

In the invention, the controller 38 controls the lifting mechanism 36 to be started at fixed time to push the crystallization detection sphere 35 to enter the crystallization station in the wastewater downwards, for example, the crystallization detection sphere is started every 2 hours to finish detection. The crystallization detection sphere 35 stays in the wastewater for a set time, for example, for 10 minutes, and the salt is crystallized on the surface of the crystallization detection sphere 35. Then the lifting mechanism 36 is controlled to move upwards, after the crystallization detection sphere 35 is driven to reach the detection station, the crystallization thickness detection element 37 is controlled to detect the crystal thickness on the surface of the crystallization detection sphere 35, a detection signal is transmitted to the controller 38, the controller 38 judges the crystallization speed according to the detection signal, and when the crystallization speed is higher than a set range, the heating efficiency of the heating assembly 17 is controlled to be reduced, and the water evaporation speed is slowed down; when the crystallization speed is lower than the set range, the heating efficiency of the heating element 17 is controlled to be increased, and evaporation of water is promoted. In the process of detecting the crystal thickness detecting element 37, the rotary driving mechanism 39 drives the crystal detecting sphere 35 to continuously rotate, one circle of the crystal detecting sphere 35 is subjected to multi-point detection, and then the average value of the crystal thickness is calculated as a detection value, so that the detection precision is ensured. After the detection is completed, the lifting mechanism 36 drives the crystallization detection sphere 35 to return to the flushing station, the waste water sprayed by the spray head 22 flushes the crystallization detection sphere 35, and the rotation driving mechanism 39 drives the crystallization detection sphere 35 to continuously rotate, so that the waste water is ensured to flush the whole crystallization detection sphere 35. In order to precisely control the temperature in the concentrating crystallization chamber 19, a temperature sensor may be provided in the concentrating crystallization chamber 19, which is connected to the controller 38.

In the present invention, the crystal thickness detecting element 37 may be a laser range finder which is fixedly installed to detect the distance from itself to the crystal detecting sphere 35, thereby calculating the crystal thickness of the surface of the crystal detecting sphere 35.

In the present invention, the heating assembly 17 may employ an electric heating wire.

In the invention, the lower surface of the base 1 is provided with the heat insulation layer 40 and a plurality of vertical supporting legs 41, the heat insulation layer 40 is made of heat insulation material, heat loss is further reduced, and the supporting legs 41 support the base 1, so that the base 1 is at a proper height.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Contain organic matter high salt wastewater treatment system, its characterized in that: the ozone generator comprises a base (1) and a top plate (6) which are horizontally arranged, wherein a vertical outer cylinder body (2) is arranged between the base (1) and the top plate (6), the outer cylinder body (2) is provided with a water inlet (12), and the water inlet (12) is connected with an ozone generating mechanism (13); the inside of the outer cylinder body (2) is provided with a vertical inner cylinder body (3), a plurality of cathode cylinder bodies (4) and anode cylinder bodies (5) which are alternately arranged are arranged between the outer cylinder body (2) and the inner cylinder body (3), the outer cylinder body (2), the inner cylinder body (3), the cathode cylinder bodies (4) and the anode cylinder bodies (5) are coaxially arranged, oxidation catalytic cavities are arranged between the adjacent cathode cylinder bodies (4) and anode cylinder bodies (5), the upper ends of the cathode cylinder bodies (4) and the anode cylinder bodies (5) are arranged on a top plate (6) through upper insulating connecting cylinders (7), the lower ends of the cathode cylinder bodies (4) and the anode cylinder bodies (5) are arranged on a base (1) through lower insulating connecting cylinders (8), a plurality of upper water passing holes (10) are arranged on the upper insulating connecting cylinders (7) on one side of the upper end of each oxidation catalytic cavity, a plurality of lower water passing holes (11) are arranged on the lower insulating connecting cylinders (8) on one side of the lower end of each oxidation catalytic cavity, and the upper water passing holes (10) are arranged on two sides of the oxidation catalytic cavities; each cathode cylinder (4) is connected with a negative electrode of a direct current power supply (9) through a wire, and each anode cylinder (5) is connected with a positive electrode of the direct current power supply (9) through a wire; the bottom of each oxidation catalytic cavity is provided with a permeable membrane component (14), a base (1) at the bottom of each oxidation catalytic cavity is provided with a permeable hole, a water collecting chamber (15) is arranged below the permeable hole, and the water collecting chamber (15) is connected with a driving pump (16); the inner cavity of the inner cylinder body (3) is communicated with the oxidation catalytic cavity, the inner cavity of the inner cylinder body (3) is connected with a vacuumizing pump (18), a heating assembly (17) is arranged in the inner cylinder body (3), and a salt discharging mechanism is arranged at the bottom of the inner cylinder body (3);

The device is characterized in that a concentrated crystallization chamber (19) with an open top and a pressure pump (20) are arranged in the inner cylinder body (3), an inlet of the pressure pump (20) is communicated with the oxidation catalytic cavity, an outlet of the pressure pump (20) is connected with a pressure pipe (21), the pressure pipe (21) stretches into the concentrated crystallization chamber (19), and an injection head (22) is arranged at the end part of the pressure pipe (21); the heating component (17) is arranged on the outer wall of the concentrating and crystallizing chamber (19), and the salt discharging mechanism is arranged in the concentrating and crystallizing chamber (19);

The bottom of concentrated crystallization room (19) is provided with the salt collecting cavity that the section is semicircle and horizontal extension, and the one end in salt collecting cavity is connected with filter-pressing pipe (26), arrange salt mechanism including being located salt collecting intracavity arrange salt axle (23), the one end of arranging salt axle (23) is connected with arranges salt motor (24), be provided with on arranging salt axle (23) and arrange salt piece (25), arrange salt axle (23) and stretch into filter-pressing pipe (26), and filter-pressing pipe (26) towards keeping away from the direction internal diameter in salt collecting cavity reduces gradually, filter-pressing pipe (26) lateral wall is provided with a plurality of wash ports, the below of filter-pressing pipe (26) is provided with water catch bowl (27), water catch bowl (27) are connected with circulating pipe (28), be provided with circulating pump (29) on circulating pipe (28), the one end that filter-pressing pipe (26) kept away from salt collecting cavity is provided with arranges salt pipe (30), arrange salt pipe (30) vertically downwards runs through base (1);

the utility model discloses a salt concentration crystallization device, including concentrated crystallization room (19), filter-pressing pipe (26), conveyer belt (32), conveyer belt (34) and spiral conveying mechanism (32), the lateral wall of filter-pressing pipe (26) is provided with defeated salt pipe (31), defeated salt pipe (31) are connected with spiral conveying mechanism (32) that the slope set up, the upper portion of concentrated crystallization room (19) inner chamber is provided with carousel (33), all be provided with a plurality of sieve meshes on the bottom plate and the lateral wall of carousel (33), carousel (33) are connected with drive carousel (33) pivoted unloading actuating mechanism (34), the export of spiral conveying mechanism (32) is located the top of carousel (33).

2. The organic matter-containing high-salt wastewater treatment system according to claim 1, wherein: the crystallization device is characterized in that a crystallization detection sphere (35) is arranged in the concentration crystallization chamber (19), the crystallization detection sphere (35) is connected with a rotary driving mechanism (39) for driving the crystallization detection sphere (35) to rotate, the rotary driving mechanism (39) is connected with a lifting mechanism (36) for driving the crystallization detection sphere (35) to move among a crystallization station, a detection station and a flushing station, the crystallization station, the detection station and the flushing station are sequentially arranged from bottom to top, a crystallization thickness detection element (37) is arranged on one side of the detection station, the flushing station is positioned in front of the spray head (22), the crystallization thickness detection element (37) is connected with a controller (38), and the lifting mechanism (36), the rotary driving mechanism (39) and the heating assembly (17) are all connected with the controller (38).

3. The organic matter-containing high-salt wastewater treatment system according to claim 2, wherein: the crystal thickness detection element (37) is a laser range finder.

4. The organic matter-containing high-salt wastewater treatment system according to claim 1, wherein: the heating component (17) is an electric heating wire.

5. The organic matter-containing high-salt wastewater treatment system according to claim 1, wherein: the lower surface of the base (1) is provided with a heat preservation layer (40) and a plurality of vertical supporting legs (41).

6. The organic matter-containing high-salt wastewater treatment system according to claim 1, wherein: the cathode cylinder (4) and the anode cylinder (5) are iron cylinders.