CN203624466U - Coal conveying system and negative pressure dedusting recovery device thereof - Google Patents
Coal conveying system and negative pressure dedusting recovery device thereof Download PDFInfo
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- CN203624466U CN203624466U CN201320814893.4U CN201320814893U CN203624466U CN 203624466 U CN203624466 U CN 203624466U CN 201320814893 U CN201320814893 U CN 201320814893U CN 203624466 U CN203624466 U CN 203624466U
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- dust
- conveying system
- coal conveying
- negative pressure
- disposal box
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 238000011084 recovery Methods 0.000 title abstract 5
- 239000000428 dust Substances 0.000 claims abstract description 72
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000001172 regenerating effect Effects 0.000 claims description 17
- 230000001629 suppression Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000002245 particle Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010410 dusting Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a coal conveying system and a negative pressure dedusting recovery device thereof. The negative pressure dedusting recovery device comprises a dust collection box and a dust collector used for conveying dust produced by the coal conveying system to the dust collection box. Spray nozzles used for carrying out spray dedusting treatment to the internal dust are arranged on the inner wall at the top of the dust collection box. The bottom of the dust collection box is provided with a drain outlet. The negative pressure dedusting recovery device also comprises a control assembly used for controlling operation of the dust collector and the spray nozzles. The negative pressure dedusting recovery device has following beneficial effects: the dust collector is utilized for conveying the dust produced by the coal conveying system to the dust collection box and a moisture mixture is formed by the dust and spray particles under effects of the spray nozzles and is directly discharged to the coal conveying system via the drain outlet of the dust collection box; a dedusting effect is achieved; water produced by mist spray is taken away by the coal conveying system; and therefore the occurrence of flowing sewage on a dedusting site is avoided.
Description
Technical field
The utility model relates to a kind of coal conveying system for coal and depression dust-removing regenerative apparatus thereof.
Background technology
Mainly adopt belt conveyor system that coal (powder) is transported to the place needing or is transported to ground in power plant, the inferior place of coal mine, the cohesive position that some in belt conveyor system has diff-H is easy to produce a large amount of dust, form dust generating region, as between feeder and band conveyor, between conveyer and conveyer, dust is to production environment and employee is healthy has brought serious threat.At present, mainly adopt the mode of atomizing de-dusting for the processing of dust, be combined with airborne dust with the form of spraying by high pressure water, played the object purifying air, provide good working environment to workman, but there is drawback in the mode of atomizing de-dusting, be mainly manifested in: 1, in the process of atomizing de-dusting, need to use a large amount of water, cause the on-the-spot meeting of the coal conveying system more sewage that trickles, sewage is directly drained with drainage system, has caused the waste of coal resource; 2, dust is combined with water and is formed coal slime, on the sticky nigh equipment of coal slime, has both been unfavorable for management and the maintenance of equipment, also can cause breakdown of equipment serious time, causes exception parking, and then has a strong impact on normal production.
Utility model content
The purpose of this utility model is to provide a kind of when the dust that Coal Transport process is produced is processed, the depression dust-removing regenerative apparatus that can also recycle dust after treatment; The utility model also provides a kind of coal conveying system that uses this device simultaneously.
The depression dust-removing regenerative apparatus of coal conveying system of the present utility model adopts following technical scheme: a kind of depression dust-removing regenerative apparatus of coal conveying system, comprise disposal box and send into the dust collecting fan in disposal box for the dust that coal conveying system is produced, the top inner wall of disposal box is provided with the waterfog head for inner dust being carried out to spray for dust suppression processing, and the bottom of disposal box is provided with sewage draining exit; This device also comprises the control assembly for controlling dust collecting fan and waterfog head work.
Described dust collecting fan is negative pressure generator.
Described control assembly comprises the electromagnetic valve for controlling negative pressure generator admission line break-make and controls the electrical ball valve of shower nozzle suction culvert break-make.
Described electromagnetic valve, electrical ball valve be by controller control, the signal input part of controller be also connected with for respond to coal conveying system start-stop, start-stop signal is passed to the start-stop sensor of electromagnetic valve and electrical ball valve by controller.
Coal conveying system of the present utility model adopts following technical scheme: a kind of coal conveying system, comprise band conveyor and be arranged on the depression dust-removing regenerative apparatus of band conveyor dust generating region, this device comprises and is arranged on the disposal box of band conveyor top and sends into the dust collecting fan in disposal box for the dust that dust generating region is produced, the top inner wall of disposal box is provided with the waterfog head for inner dust being carried out to spray for dust suppression processing, and the bottom of disposal box is provided with the sewage draining exit of the vertical load-transfer device towards band conveyor; This device also comprises the control assembly for controlling dust collecting fan and waterfog head work.
Described dust collecting fan is negative pressure generator.
Described control assembly comprises the electromagnetic valve for controlling negative pressure generator admission line break-make and controls the electrical ball valve of shower nozzle suction culvert break-make.
Described electromagnetic valve, electrical ball valve be by controller control, the signal input part of controller be also connected with for respond to coal conveying system start-stop, start-stop signal is passed to the start-stop sensor of electromagnetic valve and electrical ball valve by controller.
Adopt the depression dust-removing regenerative apparatus of said structure; the dust that utilizes dust collecting fan that coal conveying system is produced is sent in disposal box; under waterfog head effect in disposal box; dust and water fog particle have been mixed to form moistening compound; this compound is directly drained in coal conveying system by the sewage draining exit of disposal box, therefore, has not only realized dust removing effects; the water that spraying produces simultaneously is together taken away by coal conveying system, has ensured that the situation of sewage trickling can not occur again at depositing dust scene.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of coal conveying system of the present utility model;
Fig. 2 is the structural representation of the negative pressure generator in Fig. 1;
Fig. 3 is the left view of Fig. 2.
Detailed description of the invention
The embodiment of coal conveying system of the present utility model: as Figure 1-3, comprise the first band conveyor 12, the feed end top of the first band conveyor 12 is provided with feeder 1, discharge end below is connected the second band conveyor 8, coal is realized and being carried through feeder 1, the first band conveyor 12 and the second band conveyor 8 successively, region at the joining place of the first band conveyor 12 and the second band conveyor 8 forms dust generating region, and this dust generating region is provided with depression dust-removing regenerative apparatus.
Depression dust-removing regenerative apparatus comprises dust collecting fan 11 and disposal box 9, and wherein, dust collecting fan is positioned at the nucleus of dust generating region, disposal box 9 be positioned at the second band conveyor 8 directly over.Dust collecting fan 11 is negative pressure generator, negative pressure generator is known technology, its structure as shown in Figure 2 and Figure 3, comprise the air inlet ring 111 docking successively left and right and go out compression ring 114, butt seam between the two is subulate slot 113 left large and right small, be communicated with an annular air channel 112 in the outside of subulate slot 113, annular air channel is connected with two admission ports 115, and the port that the port that is positioned at air inlet ring 111 1 sides of negative pressure generator is suction port, be positioned at compression ring one side is dust-exhausting port; The admission port of negative pressure generator is used for connecting pressurized air, is serially connected with electromagnetic valve 4 on its admission line, and electromagnetic valve 4 is for controlling the electromagnetic valve of negative pressure generator admission line break-make.The sidepiece of disposal box 9 has admission port, a bottom and has a sewage draining exit, between disposal box admission port and the dust-exhausting port of negative pressure generator, is connected with dust leg 10, and sewage draining exit is vertically towards the load-transfer device of the second band conveyor 8; In disposal box 9 top inner wall, be laid with multiple waterfog heads 7, the water inlet of each waterfog head 7 is used for connecting high pressure water, on the suction culvert of waterfog head, be serially connected with electrical ball valve 6, electrical ball valve 6 is for controlling the electrical ball valve of waterfog head 7 suction culvert break-makes.In the present embodiment, cut-offfing by controller 5 of electromagnetic valve, electrical ball valve controlled, be connected with start-stop sensor 2 at the signal input part of controller 5, start-stop sensor 2 is arranged on the motor power cable of feeder 1, can respond to the start-stop of feeder 1, and by start-stop signal feedback to controller 5, controller 5 sends instruction to respectively electromagnetic valve 4 and electrical ball valve 6 according to the start-stop signal receiving.
Above-described embodiment specific works process is as follows: in the time that feeder 1 starts, start-stop sensor 2 senses actuation signal and feeds back to controller 5, controller 5 sends instruction to electromagnetic valve 4 after the signal of start-stop sensor being detected, startup electromagnetic valve 4 is connected gas circuit starts working negative pressure generator, pressurized air (pressure 0.3～0.5MPa) by two admission ports 115 of negative pressure generator through annular air channel 112, air inlet ring 111 and the subulate slot 113 going out between compression ring 114 enter negative pressure generator inside, air-flow can be close to out compression ring 114 surfaces and flow, and produce a zone of negative pressure 3 in negative pressure generator suction port outside, this zone of negative pressure 3 is just in time positioned at the dust generating region of coal conveying system, the dust producing is just inhaled in negative pressure generator, then enter in disposal box 9 through dust leg 10, meanwhile, controller 5 sends instruction to electrical ball valve 6, starting electrical ball valve 6 water routes connections makes the waterfog head 7 in disposal box start spraying, the dust entering in disposal box 9 sprays through multiple spraying, get off with water fog particle multiple impacts mixing post precipitation, the pressed gas being produced by negative pressure generator again sends back to the compound of dust and water fog particle on the second band conveyor 8 through the sewage draining exit of disposal box 9, and then operation is reclaimed in the dedusting that completes dust, because dust is through being mixed to form moistening compound with water fog particle, so, although fall and also have diff-H on belt conveyor, but can reentrainment of dust, the water that spraying produces simultaneously is together taken away by belt, ensure that the situation of sewage trickling can not occur again at depositing dust scene.
In the time that feeder stops, start-stop sensor 2 senses danger signal and feeds back to controller 5, and controller 5 sends instruction to electromagnetic valve 4 after the signal of start-stop sensor being detected, stops electromagnetic valve 4 and cuts off gas circuit negative pressure generator is quit work; Meanwhile, controller 5 sends instruction to electrical ball valve 6, stops electrical ball valve 6 water route is cut off, and now whole device quits work.Whole process make depression dust-removing regenerative apparatus completely in feeder linkage status, realize automation control.
In other embodiments, dust collecting fan also can adopt air suctiton ventilator.
In other embodiments, electromagnetic valve and electrical ball valve also can adopt hand control switch, according to the mode of operation of coal conveying system, manually complete the break-make of dust collecting fan and waterfog head.
The embodiment of depression dust-removing regenerative apparatus of the present utility model: as Figure 1-3, consistent with the structure of the depression dust-removing regenerative apparatus in above-described embodiment, its content does not repeat them here.
Claims (8)
1. the depression dust-removing regenerative apparatus of a coal conveying system, it is characterized in that: comprise disposal box and send into the dust collecting fan in disposal box for the dust that coal conveying system is produced, the top inner wall of disposal box is provided with the waterfog head for inner dust being carried out to spray for dust suppression processing, and the bottom of disposal box is provided with sewage draining exit; This device also comprises the control assembly for controlling dust collecting fan and waterfog head work.
2. the depression dust-removing regenerative apparatus of coal conveying system according to claim 1, is characterized in that: described dust collecting fan is negative pressure generator.
3. the depression dust-removing regenerative apparatus of coal conveying system according to claim 1 and 2, is characterized in that: described control assembly comprises the electromagnetic valve for controlling negative pressure generator admission line break-make and controls the electrical ball valve of shower nozzle suction culvert break-make.
4. the depression dust-removing regenerative apparatus of coal conveying system according to claim 3, it is characterized in that: described electromagnetic valve, electrical ball valve be by controller control, the signal input part of controller be also connected with for respond to coal conveying system start-stop, start-stop signal is passed to the start-stop sensor of electromagnetic valve and electrical ball valve by controller.
5. a coal conveying system, comprise band conveyor and be arranged on the depression dust-removing regenerative apparatus of band conveyor dust generating region, it is characterized in that: this device comprises and is arranged on the disposal box of band conveyor top and sends into the dust collecting fan in disposal box for the dust that dust generating region is produced, the top inner wall of disposal box is provided with the waterfog head for inner dust being carried out to spray for dust suppression processing, and the bottom of disposal box is provided with the sewage draining exit of the vertical load-transfer device towards band conveyor; This device also comprises the control assembly for controlling dust collecting fan and waterfog head work.
6. coal conveying system according to claim 5, is characterized in that: described dust collecting fan is negative pressure generator.
7. according to the coal conveying system described in claim 5 or 6, it is characterized in that: described control assembly comprises the electromagnetic valve for controlling negative pressure generator admission line break-make and controls the electrical ball valve of shower nozzle suction culvert break-make.
8. coal conveying system according to claim 7, it is characterized in that: described electromagnetic valve, electrical ball valve be by controller control, the signal input part of controller be also connected with for respond to coal conveying system start-stop, start-stop signal is passed to the start-stop sensor of electromagnetic valve and electrical ball valve by controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814893.4U CN203624466U (en) | 2013-12-12 | 2013-12-12 | Coal conveying system and negative pressure dedusting recovery device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814893.4U CN203624466U (en) | 2013-12-12 | 2013-12-12 | Coal conveying system and negative pressure dedusting recovery device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203624466U true CN203624466U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320814893.4U Expired - Lifetime CN203624466U (en) | 2013-12-12 | 2013-12-12 | Coal conveying system and negative pressure dedusting recovery device thereof |
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| CN (1) | CN203624466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919083A (en) * | 2019-12-06 | 2021-06-08 | 西安航天源动力工程有限公司 | Material conveying system |
| CN116812598A (en) * | 2023-05-19 | 2023-09-29 | 华能国际电力江苏能源开发有限公司 | Dust fall device of coal conveying system |
-
2013
- 2013-12-12 CN CN201320814893.4U patent/CN203624466U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919083A (en) * | 2019-12-06 | 2021-06-08 | 西安航天源动力工程有限公司 | Material conveying system |
| CN116812598A (en) * | 2023-05-19 | 2023-09-29 | 华能国际电力江苏能源开发有限公司 | Dust fall device of coal conveying system |
| CN116812598B (en) * | 2023-05-19 | 2026-02-06 | 华能国际电力江苏能源开发有限公司 | Dust fall device of coal conveying system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU GL TECH COMPANY Free format text: FORMER OWNER: ZHENGZHOU GAITE INFORMATION TECHNOLOGY CO., LTD. Effective date: 20150326 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 450000 ZHENGZHOU, HENAN PROVINCE TO: 450001 ZHENGZHOU, HENAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150326 Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. Address before: 1, No. 10, No. 450000, Chun Yang Road, hi tech, Henan, Zhengzhou Patentee before: ZHENGZHOU GET INFORMATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |