CN110356821B - Prevent belt feeder chute raise dust device - Google Patents
Prevent belt feeder chute raise dust device Download PDFInfo
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- CN110356821B CN110356821B CN201810251788.1A CN201810251788A CN110356821B CN 110356821 B CN110356821 B CN 110356821B CN 201810251788 A CN201810251788 A CN 201810251788A CN 110356821 B CN110356821 B CN 110356821B
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- chute
- water pipe
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- pressure lever
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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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
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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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- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a device for preventing dust raising of a chute of a belt conveyor, which relates to the technical field of production and transportation of metallurgical bulk materials, can be applied to enterprises which use belt conveyors to transport in metallurgy, power plants and the like, and is used for controlling dust raising of the chute transferred by the belt conveyors; the automatic feeding device comprises a feeding conveyor belt, a chute and a discharging conveyor belt, wherein the chute is arranged below the feeding conveyor belt, the lower part of the chute is connected with the discharging conveyor belt, the automatic feeding device also comprises an electronic scale, a pressure bar valve watering device and a spray head watering device, and the electronic scale is arranged on the back surface of the feeding conveyor belt; the pressure lever valve watering device and the nozzle watering device are arranged inside the chute and are connected with the nozzle watering device through water pipes. The invention adjusts the spraying water quantity and the spraying angle according to different flow rates of materials, and realizes the dust suppression effect by using the most economical water consumption.
Description
Technical Field
The invention relates to the technical field of production and transportation of metallurgical bulk materials, in particular to a belt conveyor chute dust raising prevention device which can be applied to enterprises using belt conveyors for transportation such as metallurgy and power plants and is used for controlling belt conveyor transfer chute dust raising.
Background
The current belt feeder chute raise dust controlling means, when the dry material of belt transport unloaded the chute from the belt head, because of the reason that drop, material fell, can produce the dust, influences the environmental protection. In order to suppress the dust generation, the following measures are generally taken: 1) the water pipe is manually opened to pump water into the chute, but the defects exist, firstly, the post worker needs to boil water on site every time of operation, and the labor intensity of the post worker is increased; secondly, the occurrence of dust raising caused by the fact that the post personnel are lazy and do not go to boiled water is very likely to happen. 2) The spraying water pipe is automatically opened by additionally arranging the electromagnetic valve. The bulk materials enter the chute under the conveying action of the belt conveyor and then fall onto the belt conveyor, in order to prevent dust in the chute, a spraying water pipe is installed in the chute and is connected with an electromagnetic valve, and the electromagnetic valve controls automatic opening of water spraying. The automatic control watering device utilizes the electronic scale to detect the weight of an object, then the boiled water is communicated with the normally open and normally closed switch to detect, and then the electromagnetic valve is controlled to operate to sprinkle water or close the water pipe.
Patent 201120287422.3 discloses a dust falling device for belt conveyor. The device has the following action principle: when the belt conveyor runs under the action of the load, the belt running between the two belt carrier rollers sinks under the action of the self-weight of the load, so that the rotary rod is driven to swing, the travel switch acts, then the electric water valve is opened, and the water spray head starts to spray water. The above-mentioned patent is come indirect weighing its weight and open the water valve through the gyration pole, can accomplish to boil water when having the load, and water is closed when no load, nevertheless has following not enough: firstly, the invention can not be widely applied to the field because a part of belt conveyors are designed as long as the measuring or weighing device can not be installed; secondly, a weighing device such as an electronic scale is used for controlling the opening and closing of the water valve, the water quantity in the whole process is constant, and if the material flow is small and the water quantity cannot be automatically adjusted, the water content of the material delivered to a user is large, faults such as screen blockage occur, and the normal use of the user is influenced; material blanking points of different weights are different, the direction of a spray head sprayed by a water pipe is fixed and unchanged, the spray head is easy to spray when the flow is small, water directly flows to a downstream belt, the moisture of the material is large, and the subsequent processes are influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defect that the dust spraying amount of the chute of the belt conveyor in the prior art cannot be automatically and properly adjusted, the invention provides the device for preventing the dust spraying amount of the chute of the belt conveyor by utilizing an electronic scale, a flowmeter, a pressure rod valve and an infrared moisture meter, so that the most economical water amount is ensured to realize the controllability of the dust spraying amount of the chute, and the hidden troubles of excessive water spraying or water leakage of materials and the like are avoided.
(II) technical scheme
A belt conveyor chute dust raising prevention device comprises a feeding conveyor belt, a chute and a discharging conveyor belt, wherein the chute is arranged below the feeding conveyor belt, the lower part of the chute is connected with the discharging conveyor belt, the belt conveyor further comprises an electronic scale, a pressure bar valve water spraying device and a spray head water spraying device, and the electronic scale is arranged on the back surface of the feeding conveyor belt; the pressure lever valve watering device and the nozzle watering device are arranged inside the chute and are connected with the nozzle watering device through water pipes.
According to one embodiment of the invention, the pressure rod valve watering device comprises a receiving plate connecting rod, a receiving plate, a shaft pin, a multi-connecting rod, a bolt, a pressure rod valve device and a flowmeter; the receiving plate is connected with a receiving plate connecting rod, a movable shaft pin is arranged in the middle of the connecting rod, and the shaft pin is fixed on the inner wall of the chute; one end of the multi-connecting rod is fixed on the connecting rod, and the other end of the multi-connecting rod is connected with the pressure lever valve device through a bolt and a bolt; the two ends of the pressure rod valve device are respectively connected with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is provided with a flowmeter, and one end of the water outlet pipe is connected with the spray head water spraying device through a water pipe.
According to an embodiment of the invention, the receiving plate and the connecting rod are welded together by welding.
According to an embodiment of the invention, the pressure lever valve device comprises a pressure lever valve handle, a connecting piece and a pressure lever valve device body, wherein the two ends of the pressure lever valve device body are respectively connected with a water inlet pipe and a water outlet pipe, a switch of the pressure lever valve device body is connected with the pressure lever valve handle, and the pressure lever valve handle is connected with the multiple connecting rods through the connecting piece.
According to one embodiment of the invention, the spray head and water spraying device comprises a water pipe, a hose, a rotating shaft, a spray water pipe lifting device and a fixing frame, wherein the water pipe is connected with the spray water pipe through the hose; the spraying water pipe lifting device is arranged on the back surface of the spraying water pipe, the spraying water pipe is connected with the rotating shaft, and the spraying water pipe lifting device drives the spraying water pipe connected with the spraying water pipe to rotate around the rotating shaft; the rotating shaft is fixedly arranged on the fixing frame, and the fixing frame is arranged on the inner wall of the chute box body.
According to one embodiment of the invention, a graduated scale is arranged on the chute top box body.
According to an embodiment of the invention, an infrared moisture meter is installed above the blanking conveyor belt.
(III) advantageous effects
By adopting the technical scheme, the dust raising device for the chute of the belt conveyor can timely spray and control the dust raising in the chute, the spraying water quantity is adjustable, and the spraying angle is reasonable; the water content of the discharged materials can be fed back and adjusted, and the problem that the water content of the materials of downstream users is high due to spraying is avoided; the novel water spraying device can replace the original spraying mode, ensures the most economical water quantity, realizes controllable dust raising of the chute, avoids hidden dangers such as excessive watering or water leakage of materials and the like, and can be widely popularized and used in industries such as metallurgy and power plants.
Drawings
In the present invention, like reference numerals refer to like features throughout, wherein:
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the connection of the receiver plates;
FIG. 3 is a schematic view of a compression bar valve assembly;
FIG. 4 is a schematic view of the multi-link and the connector;
FIG. 5 is a schematic structural diagram of the receiving plate without swinging;
FIG. 6 is a schematic structural diagram of the receiving plate swinging;
FIG. 7 is a front view of the sprinkler head;
figure 8 is a side view of the sprinkler head.
Description of reference numerals:
1. a feeding belt conveyor; 2. an electronic scale; 3. a chute; 4. a stem pressing valve watering device; 4-1, receiving plate connecting rods; 4-2, receiving plates; 4-3, a shaft pin; 4-4, multiple connecting rods; 4-5, bolts; 4-6, a bolt; 4-7, a compression bar valve device; 4-8, a flow meter; 5. a water pipe; 6. a hose; 7. a rotating shaft; 8. a water spray pipe; 9. a spray water pipe lifting device; 10. a graduated scale; 11. an infrared moisture meter; 12. blanking belt conveyor; 13. a fixing frame.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to the figure 1, the device for preventing the dust raising of the chute of the belt conveyor comprises a feeding belt conveyor 1, an electronic scale 2, a chute 3, a pressure lever valve sprinkling device 4, a receiving plate connecting rod 4-1, a receiving plate 4-2, a shaft pin 4-3, a multi-connecting rod 4-4, a bolt 4-5, a bolt 4-6, a pressure lever valve device 4-7, a pressure lever valve handle 4-7-1, a connecting piece 4-7-2, a flowmeter 4-8, a water pipe 5, a hose 6, a rotating shaft 7, a sprinkling pipe 8, a sprinkling pipe lifting device 9, a graduated scale 10, an infrared moisture meter 11, a blanking belt conveyor 12 and a fixing frame 13.
The chute 3 is arranged below the feeding conveyor belt 1, and the lower part of the chute 3 is connected with the discharging conveyor belt 12; the electronic scale 2 is arranged on the back of the feeding conveyor belt 1; the pressure lever valve watering device 4 and the nozzle watering device are arranged inside the chute 3, and the pressure lever valve watering device 4 is connected with the nozzle watering device through a water pipe.
Referring to fig. 2, the pressure lever valve watering device 4 comprises a receiving plate connecting rod 4-1, a receiving plate 4-2, a shaft pin 4-3, a multi-connecting rod 4-4, a bolt 4-5, a bolt 4-6, a pressure lever valve device 4-7 and a flowmeter 4-8. The receiving plate 4-2 is connected with a receiving plate connecting rod 4-1, the receiving plate 4-2 and the connecting rod 4-1 can be welded together in a welding mode, a movable shaft pin 4-3 is arranged in the middle of the connecting rod 4-1, and the shaft pin 4-3 is fixed on the inner wall of the chute 3; one end of a multi-connecting rod 4-4 is fixed on the connecting rod 4-1, and the other end is connected with a pressure lever valve device 7 through a bolt 4-6 and a bolt 4-5; the two ends of the pressure rod valve device 4-7 are respectively connected with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is provided with a flowmeter 4-8, and one end of the water outlet pipe is connected with a nozzle sprinkling device through a water pipe 5.
Referring to fig. 3, the pressure lever valve device 4-7 comprises a pressure lever valve handle 4-7-1, a connecting piece 4-7-2 and a pressure lever valve device body. The two ends of the body of the pressure lever valve device 4-7 are respectively connected with a water inlet pipe and a water outlet pipe, the switch of the pressure lever valve device is controlled by a pressure lever valve handle 4-7-1, wherein the connection between the pressure lever valve handle 4-7-1 and the multi-connecting rod 4-4 is realized by a connecting piece 4-7-2, and the connecting piece is connected to the upper surface of the pressure lever valve by a buckle. Referring to fig. 4, the purpose of connecting the multi-link 4-4 with the connecting piece 4-7-2 is to push away the handle 4-7-1 of the pressure lever valve, so that the valve of the pressure lever valve is opened and the water spray is opened.
The pressure lever valve sprinkler 4 is purely mechanical, and the working process is as follows: when materials enter the chute 3, the materials impact the receiving plate 4-2 to drive the connecting rod 4-1 to rotate around the 4-3 shaft pin, further drive the multi-connecting rod 4-4 to move, further drive the pressure rod valve device 7 to move, and spray water flows out from the water pipe 5 and is sprayed through the hose 6 and the spray water pipe 8 to suppress dust; when no material enters the chute 3, the receiving plate 4-2 is not impacted, the whole pressure lever valve watering device is not triggered, and no water is sprayed.
The action process of the pressure lever valve watering device 4-7 is as follows: when no material enters the chute 3 and impacts the receiving plate 4-2, the shaft pin 4-3 does not act, and as shown in fig. 5, no water is sprayed; when the material is discharged into the chute 3, the material impacts the receiving plate 4-2, the receiving plate is pushed to retreat towards the right, the connecting rod 4-1 of the receiving plate inclines towards the left under the action of the shaft pin 4-3, meanwhile, one side of the multi-connecting rod 4-4 pulls the connecting piece 4-7-2 of the pressure lever valve, the internal valve of the pressure lever valve device 4-7 is opened, and the water spraying is started, as shown in figure 6.
Referring to fig. 7 and 8, the nozzle sprinkler includes a water pipe 5, a hose 6, a rotation shaft 7, a spraying pipe 8, a spraying pipe lifting device 9, a scale 10, and a fixing frame 13. The water pipe 5 is connected with a spraying water pipe 8 through a hose 6; the spraying water pipe lifting device 9 is arranged on the back surface of the spraying water pipe 8, and a graduated scale 10 is arranged on the box body at the top of the chute and used for observing the lifting height of the spraying water pipe lifting device 9; the spraying water pipe 8 is connected with the rotating shaft 7, the rotating shaft 7 is fixedly arranged on a fixing frame 13, and the fixing frame 13 is arranged on the inner wall of the chute box body; the sprinkler pipe lifting device 9 lifts or lowers a certain height (refer to the graduated scale 10) to drive the sprinkler pipe 8 connected with the sprinkler pipe to rotate around the rotating shaft 7.
When materials on the feeding belt conveyor 1 pass through the electronic scale 2 arranged on the back of the belt conveyor, the hourly flow rate V0 is detected, the materials impact the receiving plate 4-2 after entering the chute 3, the compression bar valve device 4-7 of the compression bar valve water sprinkling device 4 is triggered, the sprinkled water is sprayed out through the water pipe 5, the hose 6 and the sprinkling pipe 8, the materials in the chute enter the discharging belt conveyor 12 after being watered, and the infrared moisture meter 11 arranged above the discharging belt conveyor 12 detects the moisture of the materials in real time and transmits the moisture into the PLC. The spraying water pipe lifting device 9 is arranged on the back of the spraying water pipe 8, and a graduated scale 10 is arranged on the box body at the top of the chute and used for observing the lifting height of the spraying water pipe lifting device 9.
After the construction of the feeding belt machine 1, the chute 3, the receiving plates 4-2 and the spraying water pipes 8 is completed, the corresponding blanking point and the optimal spraying angle A (the included angle between the spraying water pipes 8 and the horizontal line) of the feeding belt machine 1 entering the chute 3 at different hourly flow rates V can be summarized in a repeated test mode, and the corresponding optimal spraying angle A at different hourly flow rates V can be taken as a conventional parameter into the control system.
The invention adjusts the spraying water quantity and the spraying angle according to different flow rates of materials, realizes the dust suppression effect by using the most economical water consumption, and specifically comprises the following steps:
firstly, a feeding belt conveyor 1 runs, when conveyed materials pass through an electronic scale 2 arranged on the back of the belt conveyor, hourly flow V0 is detected, the materials impact a receiving plate 4-2 after entering a chute 3, a pressure lever valve device 4-7 of a pressure lever valve water spraying device 4 is triggered, and sprayed water is sprayed out through a water pipe 5, a hose 6 and a spraying water pipe 8 to spray and suppress dust;
secondly, when the feeding belt conveyor 1 stops, no material flow impacts the material receiving plate 4-2, and no water is sprayed out of the water spraying pipe 8.
Feeding belt machine 1 operates, and when the material of carrying was through installing the electronic scale 2 at this belt machine back, detected hour flow Vx, (x is 1, 2, 3), (lid) and Vx ≠ V0, shows that the hour flow of carrying the material at this moment changes, and the blanking point that corresponds in the chute changes, if the angle A that sprays of water pipe 8 was not adjusted this moment, sprays and presses down the dirt effect and will worsen. Through a repeated test mode, the optimal spraying angles A1, A2, A3, Vn corresponding to different hour flow levels V1, V2, V3, A, V1 are found out, and when the material conveying flow of the belt conveyor 1 is V1 and Vx ≠ V0 lasts for more than 20 seconds, the spraying pipe lifting device 9 lifts or lowers a certain height (referring to a graduated scale 10) to drive the spraying pipes 8 connected with the spraying pipe lifting device to rotate around the rotating shaft 7 and adjust the spraying angles of the spraying pipes 8 to be A1, so that the corresponding different spraying angles at different hour flow levels are realized, and the economical spraying and dust suppression are realized.
The environment in the chute 3 is poor, when equipment such as a spraying water pipe breaks down, if the equipment cannot be found in time, the conditions of no water spraying, water spraying failure and the like are caused, in order to find the spraying effect at the first time, the device is also provided with an infrared moisture meter 11, and when the electronic scale 2 detects that the flow Vx of the material is 0 in hours, the moisture value Wx detected by the infrared moisture meter 11 does not send an alarm signal; when the feeding belt conveyor 1 starts to operate, the electronic scale 2 detects the material hour flow Vm, when the batch reaches the position below the infrared moisture meter 11, the moisture value Wn is detected, when the absolute value of the difference between Wn and Wm is larger than K percent (K can be adjusted according to the material level), and the duration is longer than L minutes (L can be adjusted according to the requirement), the water spraying abnormality is indicated, the working state of the equipment needs to be checked immediately, and corresponding adjustment measures are taken. Taking Wn larger than W1 as an example, the screw at the spring on the side of the pressure rod valve can be manually adjusted, otherwise, the screw is increased.
The device for preventing the dust from flying in the chute of the belt conveyor can timely spray and control the dust in the chute, the spraying water quantity is adjustable, the spraying angle is reasonable, meanwhile, the moisture of the discharged materials can be fed back and adjusted, and the problem that the moisture content of the materials of downstream users is high due to spraying is avoided. By using the device, the hourly conveying flow is 1200t/h, the water spraying amount is 0.5m3/h, the spraying angle is 37 degrees, and no dust is basically generated in the chute; however, the conventional manual water pumping mode is adopted, so that the post workers are required to arrive at the site, and once the post workers are not on the site, serious environmental pollution is caused when materials generate heavy dust; the conventional electromagnetic valve is additionally arranged to automatically open the water pipe, the flow rate of conveyed materials is 1200t/h per hour, the water spraying amount is 0.8m3/h, the spraying angle is fixed by 45 degrees, the water spraying dust suppression effect is poor, and the chute dust emission influences the environment.
In conclusion, by adopting the technical scheme of the invention, the belt conveyor chute dust raising prevention device can timely spray and control dust raising in the chute, the spraying water quantity is adjustable, and the spraying angle is reasonable; the water content of the discharged materials can be fed back and adjusted, and the problem that the water content of the materials of downstream users is high due to spraying is avoided; the novel water spraying device can replace the original spraying mode, ensures the most economical water quantity, realizes controllable dust raising of the chute, avoids hidden dangers such as excessive watering or water leakage of materials and the like, and can be widely popularized and used in industries such as metallurgy and power plants.
Claims (6)
1. The utility model provides a prevent belt feeder chute raise dust device, includes material loading conveyer belt, chute, unloading conveyer belt, and the chute is installed in the below of material loading conveyer belt, and the lower part of chute links to each other its characterized in that with the unloading conveyer belt: the automatic feeding device also comprises an electronic scale, a pressure bar valve watering device and a nozzle watering device, wherein the electronic scale is arranged on the back surface of the feeding conveyor belt; the pressure rod valve watering device and the spray head watering device are arranged in the chute, the pressure rod valve watering device is connected with the spray head watering device through a water pipe, the spray head watering device comprises a water pipe, a hose, a rotating shaft, a spray water pipe lifting device and a fixing frame, and the water pipe is connected with the spray water pipe through the hose; the spraying water pipe lifting device is arranged on the back surface of the spraying water pipe, the spraying water pipe is connected with the rotating shaft, and the spraying water pipe lifting device drives the spraying water pipe connected with the spraying water pipe to rotate around the rotating shaft; the rotating shaft is fixedly arranged on the fixing frame, and the fixing frame is arranged on the inner wall of the chute box body.
2. The belt conveyor chute dust raising device according to claim 1, characterized in that: the pressure lever valve watering device comprises a receiving plate connecting rod, a receiving plate, a shaft pin, a plurality of connecting rods, a bolt, a pressure lever valve device and a flowmeter; the receiving plate is connected with a receiving plate connecting rod, a movable shaft pin is arranged in the middle of the receiving plate connecting rod, and the shaft pin is fixed on the inner wall of the chute; one end of the multi-connecting rod is fixed on the connecting rod of the receiving plate, and the other end of the multi-connecting rod is connected with the pressure lever valve device through a bolt and a bolt; the two ends of the pressure rod valve device are respectively connected with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is provided with a flowmeter, and one end of the water outlet pipe is connected with the spray head water spraying device through a water pipe.
3. The belt conveyor chute dust raising device according to claim 2, characterized in that: the receiving plate and the receiving plate connecting rod are welded together in a welding mode.
4. The belt conveyor chute dust raising device according to claim 2, characterized in that: the pressure lever valve device comprises a pressure lever valve handle, a connecting piece and a pressure lever valve device body, wherein the two ends of the pressure lever valve device body are respectively connected with a water inlet pipe and a water outlet pipe, a switch of the pressure lever valve device body is connected with the pressure lever valve handle, and the pressure lever valve handle is connected with the multiple connecting rods through the connecting piece.
5. The belt conveyor chute dust raising device according to claim 1, characterized in that: and a graduated scale is arranged on the chute top box body.
6. The belt conveyor chute dust raising device according to claim 1, characterized in that: an infrared moisture meter is arranged above the blanking conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251788.1A CN110356821B (en) | 2018-03-26 | 2018-03-26 | Prevent belt feeder chute raise dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251788.1A CN110356821B (en) | 2018-03-26 | 2018-03-26 | Prevent belt feeder chute raise dust device |
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| CN110356821A CN110356821A (en) | 2019-10-22 |
| CN110356821B true CN110356821B (en) | 2020-10-27 |
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| CN201810251788.1A Active CN110356821B (en) | 2018-03-26 | 2018-03-26 | Prevent belt feeder chute raise dust device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111103164B (en) * | 2019-12-12 | 2024-05-17 | 北京首钢国际工程技术有限公司 | Online sampling and abandoning material recovery device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863632A (en) * | 1981-10-09 | 1983-04-15 | Hitachi Ltd | Powder humidifier |
| JPH0899727A (en) * | 1994-10-03 | 1996-04-16 | Nkk Corp | Dustproof device of conveyer |
| US5777890A (en) * | 1996-01-11 | 1998-07-07 | Betzdearborn Inc. | Control of moisture addition to bulk solids |
| CN2541402Y (en) * | 2002-03-07 | 2003-03-26 | 白洋 | Dust removing appts. of coal conveying system |
| CN200957977Y (en) * | 2006-04-04 | 2007-10-10 | 宝山钢铁股份有限公司 | Automatic watering controller of scraper crown-bar-type |
| CN201125083Y (en) * | 2007-12-13 | 2008-10-01 | 宝山钢铁股份有限公司 | Watering device for belt conveyor |
| CN203835432U (en) * | 2014-05-09 | 2014-09-17 | 江苏建筑职业技术学院 | Automatic spraying device at transfer point of rubber belt conveyor for mine |
| CN206886282U (en) * | 2017-06-27 | 2018-01-16 | 贵州发耳煤业有限公司 | A kind of device for reducing dust applied to belt conveyor |
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