CN112777338A - Spraying dust suppression device for funnel, control method of spraying dust suppression device and funnel - Google Patents
Spraying dust suppression device for funnel, control method of spraying dust suppression device and funnel Download PDFInfo
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- CN112777338A CN112777338A CN201911097167.3A CN201911097167A CN112777338A CN 112777338 A CN112777338 A CN 112777338A CN 201911097167 A CN201911097167 A CN 201911097167A CN 112777338 A CN112777338 A CN 112777338A
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- water
- funnel
- hopper
- suppression device
- dust suppression
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/188—Preventing escape of dust by means of non-sealed systems with spraying means
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a spraying dust suppression device for a funnel, a control method thereof and the funnel, wherein the spraying dust suppression device for the funnel comprises a water storage cabinet, a water pump and a plurality of water mist spray head groups, the water storage cabinet, the water pump and the water mist spray head groups are sequentially communicated through a main pipeline, the water pump provides hydrodynamic force, the water mist spray head groups are arranged at a feed inlet and a discharge outlet of the funnel, each water mist spray head group comprises a spray head and a branch pipe, the branch pipe is used for connecting the spray head to the main pipeline, an automatic induction detector used for sensing materials is fixed on the feed inlet, and an electromagnetic valve in communication connection with the. The device makes collision each other, interception and condensation between vaporific water droplet and the dirt particle through the mode of spraying, and final dirt particle descends along with the water droplet, reduces the dust and scatters to reduce the pollution, in order to reach the environmental protection requirement of national environmental monitoring department to the pier, overall structure scheme is feasible, and is economical reasonable.
Description
Technical Field
The invention relates to the technical field of ore transportation, in particular to a spraying dust suppression device for a funnel, a control method of the spraying dust suppression device and the funnel.
Background
The hopper wagon is a wagon with end walls inclined inwards or end surfaces in a large arc shape and a hopper arranged at the lower part of a wagon body. The goods are loaded from the top, and when the goods are unloaded, the bottom door of the hopper is opened by manpower or wind power, and the goods are automatically unloaded by the self gravity. The loading and transporting device is mainly used for loading and transporting bulk cargos such as ore, cement, coal and the like, and has important significance in transportation.
In the ore transportation process, generally adopt the door machine to unload, utilize grab bucket sea side to grab the material, move to land side direction, reach the funnel position, the grab bucket descends, descends to inside the funnel, begins the blowing, and the material transports other places through the hopper car.
In the unloading process of the gantry crane, the hopper is open, so that a large amount of dust can be generated when the grab bucket discharges materials to the hopper, and the dust raising characteristic is open air, diffusivity and large dust raising amount. The hopper discharge gate, the leakproofness is poor, has a large amount of dust to spread out from the dump truck railway carriage, the polluted air.
Disclosure of Invention
The invention aims to provide a spraying dust suppression device for a funnel, aiming at the defect of dust pollution of the funnel in the prior art. The spraying dust suppression device for the funnel comprises a water storage cabinet, a water pump and a plurality of water mist nozzle groups, wherein the water storage cabinet, the water pump and the water mist nozzle groups are sequentially communicated through a main pipeline, and the water mist nozzle groups are arranged at a feed port and a discharge port of the funnel. The dust flying is reduced by a spraying mode so as to reduce pollution.
The invention also aims to provide a control method of the spraying dust suppression device for the hopper, which comprises a manual control mode and an automatic control mode.
The invention also aims to provide a funnel, which comprises the funnel and the spraying dust suppression device for the funnel.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a funnel is with spraying dust suppression device, includes atmospheric pressure jar, solenoid valve and the water smoke shower nozzle group that loops through the main line intercommunication, the shower nozzle of water smoke shower nozzle group includes two sets ofly, and a set of evenly distributed's the feed inlet of fixing at the funnel, another evenly distributed's the fixing at the discharge gate of organizing, wherein, each water smoke shower nozzle group includes a shower nozzle and will the shower nozzle is connected branch pipe on the main line, be fixed with the auto-induction detector that is used for responding to the material on the feed inlet, the auto-induction detector with the solenoid valve communication is connected.
In the technical scheme, the number of the spray heads fixed on the feed inlet is not less than 20, and each spray head horizontally faces to the center of the feed inlet; the number of the spray heads arranged on the discharge port is not less than 8, and each spray head inclines downwards to the center of the discharge port;
or the spray heads fixed on the feed port are uniformly fixed on four edges of the feed port, and the direction of the spray head on each edge is perpendicular to the edge where the spray head is located and faces the inner side of the feed port.
In the technical scheme, a protective cover is arranged outside each spray head and each automatic induction detector; each spray head is fixed with a filter element.
In the above technical scheme, a pressure gauge is arranged on the air pressure tank.
In the above technical scheme, still include the moisturizing branch road, the moisturizing branch road includes water storage cabinet and water pump, the delivery port of water storage cabinet with the water inlet of water pump is linked together, the delivery port of water pump passes through the main pipeline of moisturizing pipeline intercommunication between atmospheric pressure jar and solenoid valve.
In the technical scheme, a pressure sensor is fixed at the outlet of the water pump; a water level audible and visual alarm is fixed in the water storage cabinet.
In the above technical scheme, on the main pipeline, stop valves are respectively assembled between the water storage cabinet and the water pump, between the water pump and the pressure sensor, between the air pressure tank and the electromagnetic valve and on each branch pipe.
Another object of the present invention is to provide a control method of the spray dust suppression device for a hopper, the control method comprises manual control and automatic control, wherein,
during manual control: manually opening the electromagnetic valve according to the working requirement;
during automatic control: whether the auto-induction detector detects there is the material, when its sensing material, the solenoid valve is opened, and rivers are from the shower nozzle blowout in order to combine the dust, when its not sensing material, the solenoid valve is closed.
Another object of the present invention is to provide a hopper, comprising a hopper body and the spraying dust suppression device for a hopper as claimed in claim 7, wherein the water storage tank, the water pump and the electromagnetic valve are fixed on a working platform of the hopper body.
In the technical scheme, the funnel body comprises a funnel body and a support, the support is formed by welding door legs and cross beams, the bottom ends of the door legs are provided with moving wheels, the outer edge of the working platform extends out of the support to form an overhauling platform, crawling ladders capable of reaching the overhauling platform are fixed on the door legs, and safety protection nets are fixed on the crawling ladders.
Compared with the prior art, the invention has the beneficial effects that:
1. the spraying dust suppression device for the funnel comprises a plurality of high-pressure water mist nozzles which are respectively arranged at a feed inlet and a discharge outlet of the funnel, wherein mist water drops and dust particles are mutually collided, intercepted and condensed in a spraying mode, finally the dust particles fall along with the water drops, dust scattering is reduced, pollution is reduced, the environmental protection requirement of the national environmental monitoring department on a wharf is met, and the spraying dust suppression device is feasible in the whole structural scheme, economical and reasonable.
2. In the invention, the spray head on the discharge hole is inclined downwards to the central position of the discharge hole; the nozzles on the feed port are uniformly fixed on four edges of the feed port, and the direction of the nozzle on each edge is perpendicular to the edge where the nozzle is located and faces the inner side of the feed port. The arrangement mode has the advantages of wide coverage area, uniformity, no dead angle and capability of preventing dust from flying to the maximum extent.
3. According to the invention, the diaphragm type air pressure tank is selected as the water storage device, so that stable water pressure can be provided to realize the spraying dust suppression effect. The water pump is only opened when water is supplemented, the control difficulty of the water pump is reduced, and meanwhile, the electric energy consumed by the water pump is saved.
4. The automatic water spraying control and manual remote control dual control mode ensures the automation and the intellectualization of the spraying dust suppression device, prevents the occurrence of accidents and ensures the smooth implementation of the spraying dust suppression device.
Drawings
Fig. 1 is a system diagram of a spraying dust suppression device.
Fig. 2 is a front view of the spray dust suppression device.
Fig. 3 shows a side view of the spray dust suppression device.
Fig. 4 is a bottom view of the spray dust suppression device.
Fig. 5 is a front view showing the arrangement position of the water mist head on the funnel.
Fig. 6 is a side view showing the arrangement position of the water mist spray heads on the funnel.
Fig. 7 is a plan view showing the arrangement position of the water mist spray heads on the funnel.
Fig. 8 is a bottom view showing the arrangement position of the water mist spray heads on the funnel.
In the figure: 1-main pipeline, 2-water storage cabinet, 3-water pump, 4-water mist sprayer group, 5-sprayer, 6-branch pipe, 7-automatic induction detector, 8-solenoid valve, 9-water level audible and visual alarm, 10-pneumatic tank, 11-flange, 12-pressure gauge, 13-pressure sensor, 14-stop valve, 15-protective cover, 16-water supplementing pipeline, A-feed inlet, B-discharge outlet, C-working platform, D-platform guardrail, E-ladder stand and F-safety protection net.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a funnel is with spraying dust suppression device, as shown in fig. 1 and fig. 2, includes atmospheric pressure jar 10, the control that loops through main line 1 intercommunication whether solenoid valve 8 and the water smoke shower nozzle group 4 that communicate of main line 1, the shower nozzle 5 of water smoke shower nozzle group 4 includes two sets ofly, and a set of evenly distributed fixes at the feed inlet A of funnel, and another group evenly distributed fixes at discharge gate B, and wherein, each water smoke shower nozzle group 4 includes a shower nozzle 5 and will shower nozzle 5 connects branch pipe 6 on the main line, be fixed with the auto-induction detector 7 that is used for responding to the material on the feed inlet A, auto-induction detector 7 with 8 communication connection of solenoid valve.
The air pressure tank 10 is a diaphragm type air pressure tank which is an energy storage device consisting of a steel shell and a rubber diaphragm inner container, a water chamber and the air chamber are completely separated by a rubber diaphragm, when water with pressure outside is filled into the inner container of the diaphragm type air pressure water tank, air sealed in the tank is compressed, the volume of the compressed air is reduced according to the Boyle's law of gas, the pressure is increased to store energy, and the compressed air expands to press the water in the rubber diaphragm out of the tank body. The device is widely applied to occasions such as central air-conditioning circulating water pressure stabilization, a distilled water supply expansion system, heating system circulating water replenishing pressure stabilization, fire-fighting water supply system water replenishing pressure stabilization, variable-frequency water supply pressure stabilization, boiler water replenishing, air pressure type water supply and the like.
The spraying dust suppression principle is as follows:
when the mist water drops pass through the dust space, dust particles and the water drops collide with each other, are intercepted and are condensed, and finally fall along with the water drops, so that the effect of inhibiting dust from flying is achieved.
The control method comprises manual control and automatic control, wherein,
during manual control: manually opening and closing the electromagnetic valve according to the working requirement;
during automatic control: whether auto-induction detector 7 detects there is the material, when its sensing material, solenoid valve 9 opens, and rivers are from 5 blowout in order to combine the dust of shower nozzle, when its sensing material not, and solenoid valve 8 closes.
Example 2
The embodiment is based on embodiment 1 and describes the specific situation of the water mist spray head.
In order to guarantee that the effect of suppressing dust without obvious raise dust is achieved visually, the number of the spray heads 5 arranged on the feed port is not less than 20, and the number of the spray heads 5 arranged on the discharge port is not less than 8.
Specifically, as shown in fig. 3 and 4, the nozzle 5 disposed on the inlet is horizontally oriented to the center of the inlet, and the nozzle 5 on the funnel outlet is inclined downward to the center of the outlet. The coverage area is larger by applying the arrangement mode, and the achieved dust suppression effect is better.
Preferably, a protective cover 15 is arranged outside each spray head 5 and each automatic induction detector 7 to prevent the spray heads 5 and the automatic induction detectors 7 from being damaged by material impact.
During operation grab bucket should rise to the bottom of the dipper after snatching the material and be greater than a meter distance from the last bead of funnel, can transversely move directly over the funnel, automatic induction detector 7 detects there being the material after the grab bucket descending distance fill mouth is less than a meter, shower nozzle 5 begins to spray water, after unloading finish grab bucket should promote perpendicularly and be greater than 1 meter distance messenger side lateral shifting apart from fill mouth on the bead to avoid grab bucket end of the dipper and funnel bucket body, shower nozzle 5, automatic induction detector 7 etc. to produce the collision and cause the damage to equipment.
Preferably, each spray head 5 is fixed with a filtering piece, the filtering precision of the filtering piece is not lower than 40 meshes, and the stainless steel spray head is prevented from being blocked.
Example 3
This embodiment is described based on embodiment 1 and embodiment 2, and its preferred structure is described.
Preferably, the air pressure tank 10 is communicated with the main pipeline 1 through a flange 11, and a pressure gauge 12 (with an indication range of 4-8 kg) is arranged on the air pressure tank 10. An operator can judge the water quantity in the air pressure tank 10 through the pressure value of the pressure gauge 12, and when the water quantity is insufficient, water is supplemented in time.
Preferably, the water replenishing device further comprises a water replenishing assembly, the water replenishing assembly comprises a water storage cabinet 2 and a water pump 3, and the water storage cabinet 2 and the water pump 3 are communicated with the main pipeline 1 between the air pressure tank 10 and the electromagnetic valve 8 through a water replenishing pipeline 16 in sequence. When water needs to be added into the air pressure tank 10, the water pump 3 is turned on to introduce the water in the water storage cabinet 2 into the air pressure tank 10.
Preferably, the water storage cabinet 1 has enough strength, a perfect internal anti-rust treatment scheme is adopted, a water level audible and visual alarm 9 is arranged to realize a low water level audible and visual alarm function, and the water storage capacity meets the capacity of continuous 5-hour operation. When the water level floating ball is exposed out of the water surface, the water level audible and visual alarm 12 gives an alarm, and when the water level floating ball is lower than the water surface, the water level audible and visual alarm 12 is silent.
Preferably, the outlet of the water pump is provided with a pressure sensor 13, and the water pump provides water flow with pressure not less than 0.8 Mpa.
Preferably, in order to ensure the safety of the pipeline and improve the controllability of the pipeline, stop valves 14 are disposed on the main pipeline 1, between the water storage cabinet 2 and the water pump 3, between the water pump 3 and the pressure sensor 13, between the air pressure tank 10 and the electromagnetic valve 8, and between the electromagnetic valve 8 and each spray head 8.
Example 4
The construction process of the spraying dust suppression funnel control device is described in the embodiment.
Checking before construction: before use, working water is filled in the water storage cabinet 2, the stop valves 14 in the pipeline system are all opened, and the distribution box is connected with a power supply to prepare for work. Rotating the control knob of the water pump 3 to turn to an automatic position, rotating the electromagnetic valve 8 to a middle off position, pressing the start button of the water pump 3 to turn on the water pump indicator light, and checking whether the rotation direction of the fan of the water pump motor is correct. When the water pump 3 is started, whether the pressure sensor 13 in the main pipeline 1 has pressure or not is observed, whether the water leakage phenomenon exists in the main pipeline 1 or not is checked, whether the water level in the water storage cabinet 2 drops or not is checked, and whether the pressure of the pressure gauge 12 rises or not is observed, and when the pressure reaches 8 kilograms, the water pump 3 stops working. The knob of the electromagnetic valve 8 is rotated from the stop position to the manual position, whether the indicating lamp of the electromagnetic valve 8 is lighted or not is observed, and whether the spray heads 5 spray water or not is checked.
After the normal state is confirmed through the inspection, the control knob of the electromagnetic valve 8 is required to be rotated to an automatic position, and the electromagnetic valve 8 is automatically started and stopped according to the signal of the automatic induction detector 7.
The control mode comprises an automatic water spraying control function and a manual remote control function, the automatic water spraying control function is a daily control mode (the accuracy is not lower than 95%), and the manual remote control function is used as backup supplement of automatic control.
Example 5
A funnel comprises a funnel and the spraying dust suppression device for the funnel in the embodiments 1-3, wherein a water storage cabinet 2, a water pump 3 and an electromagnetic valve 8 are arranged on a working platform C of the funnel, as shown in figure 2.
The funnel comprises bucket body and support, and the support is formed by gate leg and crossbeam welding, and the bottom is provided with removes the wheel. The working platform C is used for placing components such as a main pipeline 1, a water storage cabinet 2, a water pump 3, a pneumatic pump 10, an electromagnetic valve 8 and the like in the spraying dust suppression device for the funnel; the outer edge extends out of the bracket to form an overhaul platform for operation, maintenance and overhaul of the equipment.
In order to ensure the safety of construction and maintenance, the working platform C is provided with a platform guardrail D, a crawling ladder E is required to be arranged between the ground and the working platform (maintenance platform), and the crawling ladder is protected by a safety protection net F.
The funnel is movable, and a water supply pipeline communicated with the water storage cabinet 1 is connected with the door legs. The length of the power line is not less than 50 meters, a bracket is arranged at intervals of 5 meters, and the bracket is provided with an obvious electrified mark (with a night light reflecting effect) which accords with the national safety mark standard, so that the vehicle is prevented from being rolled and the contact of irrelevant personnel is avoided. When not in use, the power cord and the bracket are orderly coiled on the funnel. Each electric element possesses the earth leakage protection function, and the protection level can satisfy outdoor safe power consumption requirement, and the floodgate case should possess waterproof function and be furnished with obvious safety sign.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a funnel is with spraying dust suppression device, its characterized in that, includes atmospheric pressure jar, solenoid valve and the water smoke shower nozzle group that loops through the main line intercommunication, the shower nozzle of water smoke shower nozzle group includes two sets ofly, and a set of evenly distributed fixes the feed inlet at the funnel, and another group evenly distributed's fixing is at the discharge gate, and wherein, each water smoke shower nozzle group includes a shower nozzle and will the shower nozzle is connected branch pipe on the main line, be fixed with the auto-induction detector that is used for responding to the material on the feed inlet, the auto-induction detector with the solenoid valve communication is connected.
2. The spray dust suppression device for the hopper as claimed in claim 1, wherein the number of said nozzles fixed to said feed inlet is not less than 20, each of said nozzles being horizontally oriented toward the center of the feed inlet; the number of the spray heads arranged on the discharge port is not less than 8, and each spray head inclines downwards to the center of the discharge port;
or the spray heads fixed on the feed port are uniformly fixed on four edges of the feed port, and the direction of the spray head on each edge is perpendicular to the edge where the spray head is located and faces the inner side of the feed port.
3. The spray dust suppression device for the hopper as claimed in claim 2, wherein each of said spray head and said auto-induction detector is externally provided with a protective cover; each spray head is fixed with a filter element.
4. The spray dust suppression device for the hopper as claimed in claim 1, wherein a pressure gauge is provided on the air pressure tank.
5. The spraying dust suppression device for the hopper as claimed in claim 1, further comprising a water replenishing branch, wherein the water replenishing branch comprises a water storage tank and a water pump, a water outlet of the water storage tank is communicated with a water inlet of the water pump, and a water outlet of the water pump is communicated with a main pipeline between the air pressure tank and the electromagnetic valve through a water replenishing pipeline.
6. The spray dust suppression device for the hopper as claimed in claim 5, wherein a pressure sensor is fixed at an outlet of the water pump; a water level audible and visual alarm is fixed in the water storage cabinet.
7. The sprinkling dust suppressing device for funnels as recited in claim 6, wherein shut-off valves are installed on said main piping, between the water storage tank and the water pump, between the water pump and the pressure sensor, between the air pressure tank and the electromagnetic valve, and on each branch pipe.
8. The control method of the spray dust suppressing device for hopper of any one of claims 1 to 7, wherein the control method includes manual control and automatic control, wherein,
during manual control: manually opening the electromagnetic valve according to the working requirement;
during automatic control: whether the auto-induction detector detects there is the material, when its sensing material, the solenoid valve is opened, and rivers are from the shower nozzle blowout in order to combine the dust, when its not sensing material, the solenoid valve is closed.
9. A hopper, characterized by comprising a hopper body and the spraying dust suppression device for the hopper as claimed in claim 7, wherein the water storage cabinet, the water pump and the electromagnetic valve are fixed on a working platform of the hopper body.
10. The hopper as claimed in claim 9, wherein the hopper body is composed of a hopper body and a support, the support is formed by welding a door leg and a cross beam, the bottom end of the door leg is provided with a moving wheel, the outer edge of the working platform extends out of the support to form an overhaul platform, a ladder capable of reaching the overhaul platform is fixed on the door leg, and a safety protection net is fixed on the ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097167.3A CN112777338A (en) | 2019-11-11 | 2019-11-11 | Spraying dust suppression device for funnel, control method of spraying dust suppression device and funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097167.3A CN112777338A (en) | 2019-11-11 | 2019-11-11 | Spraying dust suppression device for funnel, control method of spraying dust suppression device and funnel |
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| CN112777338A true CN112777338A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911097167.3A Pending CN112777338A (en) | 2019-11-11 | 2019-11-11 | Spraying dust suppression device for funnel, control method of spraying dust suppression device and funnel |
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| CN (1) | CN112777338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115560580A (en) * | 2022-09-29 | 2023-01-03 | 中国兵器装备集团自动化研究所有限公司 | Remove benzvalene form drying-machine explosion suppression device |
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