CN211945144U - Environment-friendly circulating flushing device for coal conveying trestle - Google Patents
Environment-friendly circulating flushing device for coal conveying trestle Download PDFInfo
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- CN211945144U CN211945144U CN202020396272.9U CN202020396272U CN211945144U CN 211945144 U CN211945144 U CN 211945144U CN 202020396272 U CN202020396272 U CN 202020396272U CN 211945144 U CN211945144 U CN 211945144U
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Abstract
An environment-friendly circulating flushing device for a coal conveying trestle comprises the coal conveying trestle, wherein a coal conveying belt is arranged on the coal conveying trestle, a flushing water pipe is arranged below the coal conveying belt, a plurality of transverse spraying pipes are connected to the flushing water pipe, and a plurality of nozzles are arranged on the transverse spraying pipes; and a liquid collecting tank is arranged on the coal conveying trestle. The utility model provides an environment-friendly circulation washing unit for coal conveying trestle, sparge water can take the buggy along the slope of collecting tank from last to down, flows to the collecting tank, and the filter screen in the collecting tank will flow into the sewage that has the buggy and separate. After separation, one end of the water tank becomes coal slime, the other end of the water tank is recyclable washing water, and the recyclable washing water is conveyed to a washing water pipe through a water pump to be reused. The separated coal slime can be sent to the coal bunker to be combusted again for use, so that the water is collected for recycling, and the coal slime is collected for reuse, so that the environment is protected and the energy is saved.
Description
Technical Field
The utility model relates to a coal transportation technical field in the chemical production, especially an environment-friendly circulation washing unit for coal conveying landing stage.
Background
The coal conveying belt is adopted to convey coal to the high position in the coal conveying process, and in the process, the ground inside the coal conveying trestle can drop to form pulverized coal, so that the internal environment of the coal conveying trestle is influenced, and the safety risk of dust explosion caused by the pulverized coal exists. If the cleaning is carried out manually, the labor and the time are wasted, and the safety risk of personnel in the operation process is also high. Because the coal conveying trestle runs a coal bunker from a raw coal yard to equipment, the characteristic of the coal conveying trestle is that the coal conveying trestle has a large slope and a long line (generally, the length of the coal conveying trestle is about 200 meters to 500 meters or even longer).
Disclosure of Invention
The utility model aims to solve the technical problem that an environment-friendly circulation washing unit for defeated coal landing stage is provided, the buggy on defeated coal landing stage ground can be cleared up to the efficient.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an environment-friendly circulating flushing device for a coal conveying trestle comprises the coal conveying trestle, wherein a coal conveying belt is arranged on the coal conveying trestle, a flushing water pipe is arranged below the coal conveying belt, a plurality of transverse spraying pipes are connected to the flushing water pipe, and a plurality of nozzles are arranged on the transverse spraying pipes;
and a liquid collecting tank is arranged on the coal conveying trestle.
Preferably, the sump is connected to a sump.
Preferably, a filter screen is arranged in the liquid collecting tank and is used for dividing the liquid collecting tank into a coal slime area and a clean water area; still include the water pump, the end of intaking of water pump is connected to the clear water district, goes out the water end and is connected to wash water pipe.
Preferably, the device further comprises a water replenishing pipe, and the water replenishing pipe is connected to the clean water area.
Preferably, a valve is arranged between the transverse spraying pipe and the flushing water pipe.
Preferably, the coal conveying belt is arranged on the coal conveying trestle through a bracket.
The utility model provides an environment-friendly circulation washing unit for coal conveying trestle, sparge water can take the buggy along the slope of collecting tank from last to down, flows to the collecting tank, and the filter screen in the collecting tank will flow into the sewage that has the buggy and separate. After separation, one end of the water tank becomes coal slime, the other end of the water tank is recyclable washing water, and the recyclable washing water is conveyed to a washing water pipe through a water pump to be reused. The separated coal slime can be sent to the coal bunker to be combusted again for use, so that the water is collected for recycling, and the coal slime is collected for reuse, so that the environment is protected and the energy is saved.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the horizontal spray pipe of the present invention;
fig. 3 is a schematic diagram of the water supply pipeline of the present invention.
Detailed Description
As shown in fig. 1-3, an environment-friendly circulating flushing device for a coal conveying trestle comprises a coal conveying trestle 1, a coal conveying belt 2 is arranged on the coal conveying trestle 1, a flushing water pipe 3 is arranged below the coal conveying belt 2, a plurality of transverse spraying pipes 4 are connected to the flushing water pipe 3, and a plurality of nozzles 5 are arranged on the transverse spraying pipes 4;
and a liquid collecting tank 6 is arranged on the coal conveying trestle 1.
Preferably, the sump 6 is connected to a sump 7.
Preferably, a filter screen 8 is arranged in the liquid collecting tank 7 and is used for dividing the liquid collecting tank 7 into a coal slime area 8-1 and a clear water area 8-2; the device also comprises a water pump 9, wherein the water inlet end of the water pump 9 is connected to the clear water area 8-2, and the water outlet end of the water pump 9 is connected to the flushing water pipe 3.
Preferably, the device further comprises a water replenishing pipe 10, the water replenishing pipe 10 is connected to the clean water area 8-2, and the water replenishing pipe 10 is provided with an electromagnetic valve.
Preferably, a valve 11 is arranged between the transverse spray pipe 4 and the flushing water pipe 3.
Preferably, the coal conveying belt 2 is arranged on the coal conveying trestle 1 through a bracket 12.
Preferably, the valve 11 is a solenoid valve.
Preferably, the flushing water pipe 3 is provided with a remote pressure transmitter 13, and the clear water area 8-2 is provided with a drop-in type pressure remote transmission liquid level meter 14.
Preferably, the water pump, the electromagnetic valve, the remote pressure transmitter 13 and the remote pressure transmitter 13 are all connected with a DCS control system.
The device can be controlled by DCS system output signal to start and stop. The pressure of a washing water pipe is increased to be more than 0.6MPa, a main pipe pressure transmitter transmits a measured real-time pressure signal to a DCS, and the range of the transmitter is selected to be 0-1.6 MPa. The electromagnetic valve is controlled by DCS output switching value by adopting DC 24V. And a drop-in pressure remote transmission liquid level meter is arranged in the clear water area 8-2, and the measured real-time liquid level is transmitted to the DCS through a 4-20 milliampere signal by the drop-in pressure remote transmission liquid level meter. The DCS system controls the opening/closing of the primary water replenishing electromagnetic valve according to a real-time liquid level signal (which can be set to be 0% -100%). And when the liquid level is less than 50%, opening a primary water replenishing electromagnetic valve for replenishing water. And when the liquid level is more than 80%, closing the primary water replenishing electromagnetic valve to stop replenishing water.
The device can efficiently clean the pulverized coal on the ground of the coal conveying trestle and is environment-friendly; but the sparge water cycle is used, and the buggy is collected and is become the coal slime and can use again, need not any manual operation, safety: dust can be inhibited from being generated during flushing, and workers do not need to go to the site.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. The utility model provides an environment-friendly circulation washing unit for coal conveying trestle, includes coal conveying trestle (1), is equipped with coal conveying belt (2) on coal conveying trestle (1), its characterized in that: a washing water pipe (3) is arranged below the coal conveying belt (2), a plurality of transverse spraying pipes (4) are connected to the washing water pipe (3), and a plurality of nozzles (5) are arranged on the transverse spraying pipes (4);
and a liquid collecting tank (6) is arranged on the coal conveying trestle (1).
2. The environment-friendly circulating flushing device for the coal conveying trestle according to claim 1, characterized in that: the liquid collecting tank (6) is connected to a liquid collecting pool (7).
3. The environment-friendly circulating flushing device for the coal conveying trestle according to claim 2, characterized in that: a filter screen (8) is arranged in the liquid collecting tank (7) and is used for dividing the liquid collecting tank (7) into a coal slime area (8-1) and a clear water area (8-2); the device also comprises a water pump (9), wherein the water inlet end of the water pump (9) is connected to the clear water area (8-2), and the water outlet end of the water pump is connected to the flushing water pipe (3).
4. The environment-friendly circulating flushing device for the coal conveying trestle according to claim 3, characterized in that: the device also comprises a water replenishing pipe (10), and the water replenishing pipe (10) is connected to the clear water area (8-2).
5. The environment-friendly circulating flushing device for the coal conveying trestle according to claim 1, characterized in that: a valve (11) is arranged between the transverse spray pipe (4) and the flushing water pipe (3).
6. The environment-friendly circulating flushing device for the coal conveying trestle according to claim 1, characterized in that: the coal conveying belt (2) is arranged on the coal conveying trestle (1) through a bracket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396272.9U CN211945144U (en) | 2020-03-25 | 2020-03-25 | Environment-friendly circulating flushing device for coal conveying trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396272.9U CN211945144U (en) | 2020-03-25 | 2020-03-25 | Environment-friendly circulating flushing device for coal conveying trestle |
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| Publication Number | Publication Date |
|---|---|
| CN211945144U true CN211945144U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020396272.9U Active CN211945144U (en) | 2020-03-25 | 2020-03-25 | Environment-friendly circulating flushing device for coal conveying trestle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998425A (en) * | 2021-09-15 | 2022-02-01 | 河北邯峰发电有限责任公司 | Automatic washing unit of coal conveying landing stage |
| CN114313871A (en) * | 2022-01-15 | 2022-04-12 | 师杨 | Intelligent corridor flushing device and control method thereof |
-
2020
- 2020-03-25 CN CN202020396272.9U patent/CN211945144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998425A (en) * | 2021-09-15 | 2022-02-01 | 河北邯峰发电有限责任公司 | Automatic washing unit of coal conveying landing stage |
| CN114313871A (en) * | 2022-01-15 | 2022-04-12 | 师杨 | Intelligent corridor flushing device and control method thereof |
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