CN204490021U - A kind of device preventing metallurgical fine coal delivery duct from blocking - Google Patents
A kind of device preventing metallurgical fine coal delivery duct from blocking Download PDFInfo
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- CN204490021U CN204490021U CN201520149042.1U CN201520149042U CN204490021U CN 204490021 U CN204490021 U CN 204490021U CN 201520149042 U CN201520149042 U CN 201520149042U CN 204490021 U CN204490021 U CN 204490021U
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Abstract
The utility model discloses a kind of device preventing metallurgical fine coal delivery duct from blocking, belong to Geldart-D particle powder pipe-line equipment technical field in metallurgy industry, the described device preventing metallurgical fine coal delivery duct from blocking mainly comprises: return coal pipeline, return coal pipeline pneumatic valve, fine coal delivery duct pneumatic valve, fine coal delivery duct, sweeping wind pipe pneumatic valve, sweeping wind pipe; Adopt installation on fine coal delivery duct to return coal pipeline, when fine coal use point does not use fine coal, pulverized coal conveying device still can run, and fine coal is circulated, and avoids fine coal in fine coal warehouse, pile up compacting for a long time, strengthens the stability of pulverized coal conveying device; Fine coal delivery duct arranges sweeping wind pipe, when can effectively prevent because of start up system again, the fine coal remained in pipeline pours in fine coal and uses point, cause the problem that safety misadventure occurs, contribute to improving the safety of producing, the utility model simple structure, degree of automation be high, can effectively solve pipe choking problem.
Description
Technical field
The utility model discloses a kind of device preventing metallurgical fine coal delivery duct from blocking, belong to Geldart-D particle powder pipe-line equipment technical field in metallurgy industry.
Background technology
Adopt fine coal as the metallurgical furnace of fuel or deoxidation compound, fine coal enters pulverized coal conveying device by warehouse, is delivered to fine coal use point through earthenware duct, owing to mainly considering the power conveying of fine coal in the design and using, do not take into full account fine coal blocking and use safety problem, impact will be brought on safety in production.Particular case is: when fine coal uses point for a long time without coal, Clyde's fine coal system needs to shut down, and remains in coal bunker owing to storing up extruding for a long time, easily occurs that putty does not descend the situation of coal.In addition, when start up system again, the fine coal remained in pipeline pours in use point, easily causes safety misadventure, brings loss to enterprise.
Summary of the invention
In order to overcome Problems existing in background technology, the utility model provides a kind of device preventing metallurgical fine coal delivery duct from blocking, fine coal delivery duct is installed and returns coal pipeline, when fine coal use point does not use fine coal, pulverized coal conveying device still can run, fine coal is circulated, avoids fine coal and pile up compacting for a long time in warehouse, enhance the stability of pulverized coal conveying device; Fine coal delivery duct arranges sweeping wind pipe, when can effectively prevent because of start up system again, the fine coal remained in pipeline pours in fine coal and uses point, cause the problem that safety misadventure occurs, contribute to improving the safety of producing, the utility model simple structure, degree of automation be high, can effectively solve pipe choking problem, is beneficial to popularization.
For achieving the above object, the utility model provides following technical scheme:
Prevent the device that metallurgical fine coal delivery duct blocks, described equipment comprise return coal pipeline 1, return coal pipeline pneumatic valve 2, fine coal delivery duct pneumatic valve 3, fine coal uses point 4, fine coal delivery duct 5, sweeping wind pipe pneumatic valve 6, sweeping wind pipe 7, fine coal warehouse 8; The bottom in described fine coal warehouse 8 is provided with fine coal delivery duct 5, return the both sides that coal pipeline 1 and sweeping wind pipe 7 are arranged on fine coal delivery duct 5, return coal pipeline 1 is provided with and return coal pipeline pneumatic valve 2, sweeping wind pipe 7 is provided with sweeping wind pipe pneumatic valve 6, fine coal delivery duct pneumatic valve 3 be arranged on return coal pipeline 1 and sweeping wind pipe 7 and fine coal delivery duct 5 communication port between, fine coal delivery duct 5 end and fine coal use and a little 4 to be connected.
The described coal pipeline pneumatic valve 2 that returns returned on coal pipeline 1 that is arranged on is arranged on 0.3 ~ 1m place of communication port place that distance returns coal pipeline 1 and fine coal delivery duct 5.
The described sweeping wind pipe pneumatic valve 6 be arranged on sweeping wind pipe 7 is arranged on 0.3 ~ 1m place of communication port place of distance sweeping wind pipe 7 and fine coal delivery duct 5, and the other end of sweeping wind pipe 7 is connected to high pressure air.
Described return coal pipeline pneumatic valve 2, fine coal delivery duct pneumatic valve 3 and sweeping wind pipe pneumatic valve 6 adopt automatic linkage to control, according to fine coal feed status automatic linkage by-pass valve control on off state.
The beneficial effects of the utility model:
The utility model adopts installation on fine coal delivery duct to return coal pipeline, when fine coal use point does not use fine coal, pulverized coal conveying device still can run, and fine coal is circulated, avoid fine coal and pile up compacting for a long time in warehouse, enhance the stability of pulverized coal conveying device; Fine coal delivery duct arranges sweeping wind pipe, when can effectively prevent because of start up system again, the fine coal remained in pipeline pours in fine coal and uses point, cause the problem that safety misadventure occurs, contribute to improving the safety of producing, the utility model simple structure, degree of automation be high, can effectively solve pipe choking problem, is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1-returns coal pipeline, 2-returns coal pipeline pneumatic valve, 3-fine coal delivery duct pneumatic valve, 4-fine coal use point, 5-fine coal delivery duct, 6-sweeping wind pipe pneumatic valve, 7-sweeping wind pipe, 8-fine coal warehouse.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1, prevent the device that metallurgical fine coal delivery duct blocks, described equipment comprises: return coal pipeline 1, return coal pipeline pneumatic valve 2, fine coal delivery duct pneumatic valve 3, fine coal use point 4, fine coal delivery duct 5, sweeping wind pipe pneumatic valve 6, sweeping wind pipe 7, fine coal warehouse 8.
The bottom in described fine coal warehouse 8 is provided with fine coal delivery duct 5, return the both sides that coal pipeline 1 and sweeping wind pipe 7 are arranged on fine coal delivery duct 5, return coal pipeline 1 is provided with and return coal pipeline pneumatic valve 2, the coal pipeline pneumatic valve 2 that returns that described being arranged on is returned on coal pipeline 1 is arranged on 0.3 ~ 1m place of communication port place that distance returns coal pipeline 1 and fine coal delivery duct 5; Installation on fine coal delivery duct 5 is adopted to return coal pipeline 1, when fine coal use point 4 does not use fine coal, pulverized coal conveying device still can run, make fine coal at fine coal delivery duct 5, return coal pipeline 1 and fine coal warehouse 8 internal circulation flow, avoid fine coal and pile up compacting for a long time in fine coal warehouse 8, enhance the stability of pulverized coal conveying device.
Sweeping wind pipe 7 is provided with sweeping wind pipe pneumatic valve 6, the described sweeping wind pipe pneumatic valve 6 be arranged on sweeping wind pipe 7 is arranged on 0.3 ~ 1m place of communication port place of distance sweeping wind pipe 7 and fine coal delivery duct 5, and the other end of sweeping wind pipe 7 is connected to high pressure air; Fine coal delivery duct 5 arranges sweeping wind pipe 7, and when can effectively prevent because of start up system again, the fine coal remained in fine coal delivery duct 5 pours in fine coal and uses point 4, causes the problem that safety misadventure occurs, contributes to the safety improving production,
Fine coal delivery duct pneumatic valve 3 be arranged on return coal pipeline 1 and sweeping wind pipe 7 and fine coal delivery duct 5 communication port between, fine coal delivery duct 5 end and fine coal use and a little 4 to be connected; Described return coal pipeline pneumatic valve 2, fine coal delivery duct pneumatic valve 3 and sweeping wind pipe pneumatic valve 6 adopt automatic linkage to control, according to fine coal feed status automatic linkage by-pass valve control on off state, adopt chain autocontrol valve, eliminate the operation of personnel, ensured the safety of employee simultaneously, can also production control flow process accurately.
Working process of the present utility model:
Returning coal pipeline pneumatic valve 2, fine coal delivery duct pneumatic valve 3 and sweeping wind pipe pneumatic valve 6 adopts automatic linkage to control, and in normal conveying fine coal situation, returns coal pipeline pneumatic valve 2, sweeping wind pipe pneumatic valve 6 is in closed condition; Fine coal is used when fine coal uses point 4 to suspend, when need be converted to recurrent state, fine coal delivery duct pneumatic valve 3 cuts out, return coal pipeline pneumatic valve 2, sweeping wind pipe pneumatic valve 6 is opened simultaneously, pressurized air is blown into fine coal delivery duct 5 from sweeping wind pipe 7, by the fine coal blowout fine coal delivery duct 5 remained in fine coal delivery duct 5, after 10 ~ 30s, sweeping wind pipe pneumatic valve 6 cuts out automatically, stops purging; Return coal pipeline pneumatic valve 2 and be in open mode, ensure that fine coal is in recurrent state; When needs fine coal is delivered to fine coal use point 4 time, fine coal delivery duct pneumatic valve 3 is opened gradually, returns coal pipeline pneumatic valve 2 to close gradually, proceeds to state of normally delivering coal.
The utility model adopts installation on fine coal delivery duct to return coal pipeline, when fine coal use point does not use fine coal, pulverized coal conveying device still can run, and fine coal is circulated, avoid fine coal and pile up compacting for a long time in warehouse, enhance the stability of pulverized coal conveying device; Fine coal delivery duct arranges sweeping wind pipe, when can effectively prevent because of start up system again, the fine coal remained in pipeline pours in fine coal and uses point, cause the problem that safety misadventure occurs, contribute to improving the safety of producing, the utility model simple structure, degree of automation be high, can effectively solve pipe choking problem, is beneficial to popularization.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (4)
1. the device preventing metallurgical fine coal delivery duct from blocking, is characterized in that: the described device preventing metallurgical fine coal delivery duct from blocking comprise return coal pipeline, return coal pipeline pneumatic valve, fine coal delivery duct pneumatic valve, fine coal uses point, fine coal delivery duct, sweeping wind pipe pneumatic valve, sweeping wind pipe, fine coal warehouse; The bottom in described fine coal warehouse is provided with fine coal delivery duct, return the both sides that coal pipeline and sweeping wind pipe are arranged on fine coal delivery duct, return coal pipeline is provided with and return coal pipeline pneumatic valve, sweeping wind pipe is provided with sweeping wind pipe pneumatic valve, fine coal delivery duct pneumatic valve be arranged on return coal pipeline and sweeping wind pipe and fine coal delivery duct communication port between, fine coal delivery duct end uses with fine coal and is a little connected.
2. a kind of device preventing metallurgical fine coal delivery duct from blocking according to claim 1, is characterized in that: the coal pipeline pneumatic valve that returns that described being arranged on is returned on coal pipeline is arranged on 0.3 ~ 1m place of communication port place that distance returns coal pipeline and fine coal delivery duct.
3. a kind of device preventing metallurgical fine coal delivery duct from blocking according to claim 1, it is characterized in that: the described sweeping wind pipe pneumatic valve be arranged on sweeping wind pipe is arranged on 0.3 ~ 1m place of communication port place of distance sweeping wind pipe and fine coal delivery duct, and the other end of sweeping wind pipe is connected to high pressure air.
4. a kind of device preventing metallurgical fine coal delivery duct from blocking according to claim 1, it is characterized in that: described return coal pipeline pneumatic valve, fine coal delivery duct pneumatic valve and sweeping wind pipe pneumatic valve adopt automatic linkage to control, according to fine coal feed status automatic linkage by-pass valve control on off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149042.1U CN204490021U (en) | 2015-03-17 | 2015-03-17 | A kind of device preventing metallurgical fine coal delivery duct from blocking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149042.1U CN204490021U (en) | 2015-03-17 | 2015-03-17 | A kind of device preventing metallurgical fine coal delivery duct from blocking |
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| CN204490021U true CN204490021U (en) | 2015-07-22 |
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| CN201520149042.1U Active CN204490021U (en) | 2015-03-17 | 2015-03-17 | A kind of device preventing metallurgical fine coal delivery duct from blocking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417170A (en) * | 2015-11-20 | 2016-03-23 | 上海凯伟电气设备有限公司 | Quantitative and cyclic feeding device |
| CN110002232A (en) * | 2019-04-30 | 2019-07-12 | 北京长峰金鼎科技有限公司 | A kind of long-distance sand transport system and its application method |
-
2015
- 2015-03-17 CN CN201520149042.1U patent/CN204490021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417170A (en) * | 2015-11-20 | 2016-03-23 | 上海凯伟电气设备有限公司 | Quantitative and cyclic feeding device |
| CN110002232A (en) * | 2019-04-30 | 2019-07-12 | 北京长峰金鼎科技有限公司 | A kind of long-distance sand transport system and its application method |
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