CN110568871A - water supplementing control system for slag conveyor in waste incineration power plant - Google Patents
water supplementing control system for slag conveyor in waste incineration power plant Download PDFInfo
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- CN110568871A CN110568871A CN201910879096.6A CN201910879096A CN110568871A CN 110568871 A CN110568871 A CN 110568871A CN 201910879096 A CN201910879096 A CN 201910879096A CN 110568871 A CN110568871 A CN 110568871A
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- water
- slag conveyor
- liquid level
- level meter
- travel switch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
In order to overcome the technical problems that the water level measurement fluctuation of the existing slag conveyor is large, the accurate measurement of a liquid level meter is influenced and the water level of a slag conveyor body can not be maintained within a set range in the operation process, the invention provides a water replenishing control system of the slag conveyor of a waste incineration power plant, which is characterized in that a travel switch is further arranged on the slag conveyor body, the output of a measurement signal of the liquid level meter is controlled by the travel switch, when the slag conveyor operates, a fishing arm leaves a static position, the travel switch is disconnected due to touch release, and the liquid level meter stops working; when the slag conveyor is static, the fishing arm touches the travel switch, the travel switch is switched on, the liquid level meter works and measures the liquid level, and a measurement signal is transmitted to the automatic water supply control valve. Because the liquid level meter measures the water level signal when the slag conveyor stops running, the water level is stable, the measurement signal is also accurate, and the water level of the slag conveyor can be effectively maintained within a set range through water supplement.
Description
Technical Field
The invention relates to a slag conveyor of a waste incineration power plant, in particular to a water supplementing control system of the slag conveyor of the waste incineration power plant.
Background
chinese patent publication No. 207035159U provides a stifled moisturizing device is prevented to msw incineration power plant dragveyer, including the inside intercommunication pipeline between water tank, water tank and the dragveyer basin, moisturizing pipeline, automatic water supply control assembly and moisturizing bypass, automatic water supply control assembly is taken into the automatic water supply control valve of setting on the moisturizing pipeline by the long-range liquid level of setting on the water tank and is constituteed, the moisturizing bypass inserts the water tank with outside water source, and the moisturizing warp of water tank inside intercommunication pipeline gets into the dragveyer basin drops to when setting for the height when the water tank water level, long-range level gauge will be to automatic water supply control valve signals, and automatic water supply control valve opens, and outside water source warp moisturizing pipeline is to dragveyer moisturizing, inside intercommunication pipeline is by the water tank access dragveyer basin with the downward sloping mode by height. The technical scheme provides a good solution for solving the blockage of the water replenishing pipe of the slag conveyor.
however, when the slag conveyor runs, the water level inside the body fluctuates greatly, the accurate measurement of the liquid level meter is seriously influenced, the excessive or missing water supplement is often caused, and the water level of the slag conveyor body can not be maintained within the set range basically.
disclosure of Invention
In order to overcome the technical problems that the water level measurement fluctuation of the existing slag conveyor is large, the accurate measurement of a liquid level meter is influenced and the water level of a slag conveyor body can not be maintained within a set range in the operation process, the invention provides a water replenishing control system of the slag conveyor of a waste incineration power plant, which is characterized in that a travel switch is further arranged on the slag conveyor body, the output of a measurement signal of the liquid level meter is controlled by the travel switch, when the slag conveyor operates, a fishing arm leaves a static position, the travel switch is disconnected due to touch release, and the liquid level meter stops working; when the slag conveyor is static, the fishing arm touches the travel switch, the travel switch is switched on, the liquid level meter works and measures the liquid level, and a measurement signal is transmitted to the automatic water supply control valve. Because the liquid level meter measures the water level signal when the slag conveyor stops running, the water level is stable, the measurement signal is also accurate, and the water level of the slag conveyor can be effectively maintained within a set range through water supplement.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water supplementing control system for a slag conveyor in a waste incineration power plant comprises a water tank, an internal communication pipeline between the water tank and a slag conveyor water tank, a water supplementing pipeline, an automatic water supplementing control assembly and a water supplementing bypass, wherein the automatic water supplementing control assembly is composed of a remote liquid level meter arranged on the water tank and an automatic water supplementing control valve arranged on the water supplementing pipeline, the water supplementing bypass accesses an external water source into the water tank, the water supplementing of the water tank enters the slag conveyor water tank through the internal communication pipeline, when the water level of the water tank drops to a set height, the remote liquid level meter sends a signal to the automatic water supplementing control valve, the automatic water supplementing control valve is opened, the external water source supplements water to the slag conveyor through the water supplementing pipeline,
The internal communication pipeline is connected into a water tank of the slag conveyor from a water tank in a downward inclination mode from high to low,
The water replenishing pipe is directly inserted into the internal communication pipe,
the fishing device is characterized in that a travel switch is further arranged on a body of the slag conveyor, the travel switch controls the output of a measuring signal of the liquid level meter, when the slag conveyor runs, the fishing arm leaves a static position, the travel switch is disconnected due to touch release, and the liquid level meter stops working; when the slag conveyor is static, the fishing arm touches the travel switch, the travel switch is conducted, the liquid level meter works and measures the liquid level, and a measurement signal is transmitted to the automatic water supply control valve;
When the water level measured by the liquid level meter is lower than the set normal water level, the automatic water replenishing control valve is opened to replenish water to the water tank, the water level gradually rises, when the water level measured by the liquid level meter reaches a high water level, a signal is transmitted to the automatic water replenishing control valve, the automatic water replenishing control valve is closed, and water replenishing is stopped.
and when the measured water level of the liquid level meter is higher than the set normal water level, the automatic water replenishing control valve is closed.
The invention has the beneficial effects that: the invention provides a water supplementing control system for a slag conveyor in a waste incineration power plant, wherein a travel switch is further arranged on a body of the slag conveyor, the travel switch controls the output of a measuring signal of a liquid level meter, the liquid level meter measures a water level signal when the slag conveyor stops running, so that the water level is stable, the measuring signal is accurate, and the water level of the slag conveyor can be effectively ensured to be maintained in a set range through water supplementing.
Drawings
fig. 1 and 2 are schematic structural views of a first embodiment of the present invention. Wherein fig. 1 is a structural schematic diagram of the slag conveyor when in a static state, and fig. 2 is a structural schematic diagram of the slag conveyor when in operation.
In the figure, the position of the upper end of the main shaft,
1. a water tank is arranged in the water tank,
2. The inside of the water tank is communicated with a pipeline,
3. Water supply line, 3.1 insertion part,
4. A water-replenishing bypass is arranged on the water-replenishing side,
5. the remote liquid level meter is arranged on the liquid level meter,
6 the automatic water-replenishing control valve is arranged,
7. A slag dragging machine, a 7.1 dragging arm,
8. a water tank of the slag dragging machine,
9. The amount of water is controlled by the amount of water,
10. the sludge and the impurities are removed,
11. a slag conveyor body is arranged on the lower part of the slag conveyor,
12. a sewage collecting groove is arranged at the upper part of the sewage collecting groove,
13. a sewage discharge pipe is arranged on the sewage discharge pipe,
14. an external water source is arranged on the water tank,
15 travel switch.
Detailed Description
fig. 1 and 2 are schematic structural views of a first embodiment of the present invention. Wherein fig. 1 is a structural schematic diagram of the slag conveyor when in a static state, and fig. 2 is a structural schematic diagram of the slag conveyor when in operation. In the figure, the automatic water replenishing control valve is closed in the embodiment, and comprises a water tank 1, an internal communication pipeline 2 between the water tank 1 and a dragveyer water tank 8, a water replenishing pipeline 3, an automatic water replenishing control assembly and a water replenishing bypass 4, wherein the automatic water replenishing control assembly consists of a remote liquid level meter 5 arranged on the water tank and an automatic water replenishing control valve 6 arranged on the water replenishing pipeline, an external water source 14 replenishes water through the water replenishing pipeline 3, the external water source 14 is connected into the water tank 1 through the water replenishing bypass 4, water 9 in the water tank 1 enters the dragveyer water tank 8 through the internal communication pipeline 2, when the water level of the water tank 1 is lower than a set normal height, the remote liquid level meter 5 sends a signal to the automatic water replenishing control valve 6, the automatic water replenishing control valve 6 is opened, and the external water source 14 repl. In the example shown, the internal communication line 2 runs from high to low and is connected from the water tank 1 in a downwardly sloping manner to the water tank 8 of the dragger. Because inside communicating pipe way 2 is from high to low with downward sloping mode by the water tank access dragveyer basin 8, make the mud sediment grain be difficult to deposit inside the pipeline, can effectively solve the pipeline and block up the problem. In this example, the insertion portion 3.1 of the water replenishing pipe 3 is directly inserted into the internal communication pipe 2, and the internal communication pipe 2 is flushed with pressurized water from the external water source 14 during the water replenishing to prevent the pipe from being clogged.
In the embodiment, each time of water supplement is performed once for pipeline dredging, and water is timely and effectively supplemented into the slag conveyor, so that the blocking probability of the internal communication pipeline can be greatly reduced, and the labor intensity of operators is reduced.
in this embodiment, a sewage collecting tank 12 is further provided at the bottom of the water tank 1, and a sewage discharging pipe 13 is provided below the sewage collecting tank, and sludge can be periodically discharged to the outside through the sewage discharging pipe.
In the figure, unlike the prior art, in this example, a travel switch 15 is further provided on the body 11 of the slag conveyor, and the output of the measurement signal of the liquid level meter 5 is controlled by the travel switch 15. Fig. 2 shows that when the dragveyer is running, the drag arm 7.1 leaves the rest position, the travel switch 15 is disconnected due to touch release, and the liquid level meter 5 stops working; when the slag conveyor is static, the fishing arm 7.1 touches the travel switch 15, the travel switch 15 is conducted, the liquid level meter 5 works and measures the liquid level, and a measurement signal is transmitted to the automatic water supplement control valve 6;
when the water level measured by the liquid level meter 5 is lower than the set normal water level, the automatic water replenishing control valve 6 is opened to replenish water to the water tank 1, the water level gradually rises, when the water level measured by the liquid level meter 5 reaches a high water level, a signal is transmitted to the automatic water replenishing control valve 6, the automatic water replenishing control valve 6 is closed, and water replenishing is stopped.
When the measured water level of the liquid level meter 5 is above the set normal water level, the automatic water supply control valve 6 is closed.
Claims (1)
1. A water supplementing control system for a slag conveyor in a waste incineration power plant comprises a water tank, an internal communication pipeline between the water tank and a slag conveyor water tank, a water supplementing pipeline, an automatic water supplementing control assembly and a water supplementing bypass, wherein the automatic water supplementing control assembly is composed of a remote liquid level meter arranged on the water tank and an automatic water supplementing control valve arranged on the water supplementing pipeline, the water supplementing bypass accesses an external water source into the water tank, the water supplementing of the water tank enters the slag conveyor water tank through the internal communication pipeline, when the water level of the water tank drops to a set height, the remote liquid level meter sends a signal to the automatic water supplementing control valve, the automatic water supplementing control valve is opened, the external water source is supplemented with water from the water supplementing pipeline to the slag conveyor, the internal communication pipeline is accessed into the slag conveyor water tank in a downward tilting mode from high to low, and the water supplementing pipeline is directly inserted,
The fishing device is characterized in that a travel switch is further arranged on a body of the slag conveyor, the travel switch controls the output of a measuring signal of the liquid level meter, when the slag conveyor runs, the fishing arm leaves a static position, the travel switch is disconnected due to touch release, and the liquid level meter stops working; when the slag conveyor is static, the fishing arm touches the travel switch, the travel switch is conducted, the liquid level meter works and measures the liquid level, and a measurement signal is transmitted to the automatic water supply control valve;
when the water level measured by the liquid level meter is lower than the set normal water level, the automatic water replenishing control valve is opened to replenish water to the water tank, the water level gradually rises, when the water level measured by the liquid level meter reaches a high water level, a signal is transmitted to the automatic water replenishing control valve, the automatic water replenishing control valve is closed, and water replenishing is stopped.
and when the measured water level of the liquid level meter is higher than the set normal water level, the automatic water replenishing control valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879096.6A CN110568871B (en) | 2019-09-18 | 2019-09-18 | Water supplementing control system for slag conveyor in waste incineration power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879096.6A CN110568871B (en) | 2019-09-18 | 2019-09-18 | Water supplementing control system for slag conveyor in waste incineration power plant |
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| CN110568871A true CN110568871A (en) | 2019-12-13 |
| CN110568871B CN110568871B (en) | 2022-10-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459195A (en) * | 2020-04-08 | 2020-07-28 | 北京京城环保股份有限公司 | Liquid level measurement control device and method for waste incineration slag discharging machine |
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| CN205785420U (en) * | 2016-06-27 | 2016-12-07 | 中国石油集团渤海钻探工程有限公司 | The accurate measurement apparatus of slurry tank liquid level |
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| CN104236035A (en) * | 2013-06-08 | 2014-12-24 | 珠海格力电器股份有限公司 | Water tank, air conditioner with water tank and air conditioner condensate water treatment method |
| CN203489952U (en) * | 2013-09-30 | 2014-03-19 | 开封万盛新材料有限公司 | Liquid level measuring device for fluctuated liquid surface |
| CN104062985A (en) * | 2014-06-11 | 2014-09-24 | 珠海格力电器股份有限公司 | Water level control device and method of sampling system |
| CN204270163U (en) * | 2014-12-10 | 2015-04-15 | 南阳汉冶特钢有限公司 | A kind of Lian Zha factory is for auxiliary workshop settling basin water level automatic control device |
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| CN111459195A (en) * | 2020-04-08 | 2020-07-28 | 北京京城环保股份有限公司 | Liquid level measurement control device and method for waste incineration slag discharging machine |
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| CN110568871B (en) | 2022-10-04 |
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Address after: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Energy and environmental protection Co.,Ltd. Address before: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN ENERGY ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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