CN203385455U - Coal gas flow detecting anti-blocking device - Google Patents
Coal gas flow detecting anti-blocking device Download PDFInfo
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- CN203385455U CN203385455U CN201320434587.8U CN201320434587U CN203385455U CN 203385455 U CN203385455 U CN 203385455U CN 201320434587 U CN201320434587 U CN 201320434587U CN 203385455 U CN203385455 U CN 203385455U
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- ball valve
- block apparatus
- solenoid ball
- coal gas
- outlet
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Abstract
The utility model discloses a coal gas flow detecting anti-blocking device which comprises a coal gas main pipeline, a first anti-blocking device, a second anti-blocking device, a first electromagnetic ball valve, second electromagnetic ball valves, a third electromagnetic ball valve, a nitrogen control system, a flow detection device and a pressure detection device, wherein sampling holes of the first anti-blocking device and the second anti-blocking device are inserted into the coal gas main pipeline; the inlet and the outlet of the first electromagnetic ball valve are respectively communicated with the outlet of the first anti-blocking device and the pressure detection device through pipelines; the inlets and outlets of the second electromagnetic ball valves are respectively communicated with the outlet of the second anti-blocking device and the flow detection device through pipelines; the outlet of the nitrogen control system is divided into two paths through the third electromagnetic ball valve; one path is communicated with the inlet of the first electromagnetic ball valve through a hand-operated ball valve door, and the other path is communicated with the inlets of the second electromagnetic ball valves. The coal gas flow detecting anti-blocking device can automatically dredge the coal gas passage, thereby accurately detecting the coal gas flow.
Description
Technical field
The utility model relates to a kind of flow detection anti-block apparatus, is specifically related to a kind of gas flow and detects anti-block apparatus.
Background technology
Traditional gas flow testing process is carried out the sampling of coal gas by the sample tap instrument tube, in sampling process, the table pipe often can stop up, thereby the gas flow that makes flow detector shows undesired or data are slow in reacting, caused certain influence to operation and the monitoring of boiler, so the stoker personnel can't be in time according to gas flow adjustment and air mixing ratio, cause the waste of fuel, increase the cost of boiler operatiopn, at present solution to this problem be by artificial online dress that the coal gas protective device is manually dredged or blowing out after manually dredging, but this dredging mode is dangerous, not in time, waste of manpower.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of gas flow to detect anti-block apparatus, and this device can be by automatically dredging gas passage, thereby accurately detect the flow of coal gas.
Improvement as such scheme; gas flow described in the utility model detects anti-block apparatus; comprise coal gas main pipeline, the first anti-block apparatus and the second anti-block apparatus, the first Solenoid ball valve, the second Solenoid ball valve, the 3rd Solenoid ball valve, nitrogen control system, flow detector and pressure-detecting device; the thief hatch of described the first anti-block apparatus and the second anti-block apparatus inserts in the coal gas main pipeline, and outlet and the pressure-detecting device of the first anti-block apparatus are connected respectively by pipeline for the entrance of described the first Solenoid ball valve and outlet; The entrance of described the second Solenoid ball valve and outlet are connected with outlet and the flow detector of the second anti-block apparatus respectively by pipeline, the outlet of described nitrogen control system is divided into two-way by the 3rd Solenoid ball valve, the manual ball valve door of leading up to is connected with the entrance of the first Solenoid ball valve, and another road is connected with the second Solenoid ball valve entrance.
Described coal gas main pipeline is provided with several Solenoid ball valves.
Pipeline between the outlet of the entrance of described the first Solenoid ball valve and the first anti-block apparatus is provided with several manual ball valve doors.
Pipeline between the outlet of the entrance of described the second Solenoid ball valve and the second anti-block apparatus is provided with several manual ball valve door and Solenoid ball valves.
The switch board that described nitrogen control system is provided with the nitrogen back-blowing device and controls described nitrogen back-blowing device.
The utlity model has following beneficial effect:
Gas flow described in the utility model detects anti-block apparatus and gathers the coal gas in the coal gas main pipeline by the first anti-block apparatus and the second anti-block apparatus, can effectively avoid a large amount of impurity and dust in coal gas to enter into the utility model, while occurring to stop up in gas flow detects anti-block apparatus, carry out the blowback of nitrogen by the nitrogen control system and eliminate obstruction, thereby can effectively improve the accuracy of detection of flow detector and pressure-detecting device, the problem of avoiding artificial dredging to bring, the cost of reduction boiler operatiopn and control.
The accompanying drawing explanation
The structural representation that Fig. 1 is utility model.
Wherein, 1 is that coal gas main pipeline, 2 is that the first anti-block apparatus, 3 is that the second anti-block apparatus, 4 is that flow detector, 5 is that nitrogen control system, 6 is that pressure-detecting device, 7 is that the first Solenoid ball valve, 8 is that the second Solenoid ball valve, 9 is the 3rd Solenoid ball valve.
Embodiment
With reference to figure 1, gas flow described in the utility model detects anti-block apparatus and comprises coal gas main pipeline 1, the first anti-block apparatus 2 and the second anti-block apparatus 3, the first Solenoid ball valve 7, the second Solenoid ball valve 8, the 3rd Solenoid ball valve 9, nitrogen control system 5, flow detector 4 and pressure-detecting device 6, described coal gas main pipeline 1 is provided with several Solenoid ball valves, the thief hatch of described the first anti-block apparatus 2 and the second anti-block apparatus 3 inserts in coal gas main pipeline 1, outlet and the pressure-detecting device 6 of the first anti-block apparatus 2 are connected respectively by pipeline for the entrance of described the first Solenoid ball valve 7 and outlet, pipeline between the outlet of the entrance of described the first Solenoid ball valve 7 and the first anti-block apparatus 2 is provided with several manual ball valve doors, the entrance of described the second Solenoid ball valve 8 and outlet are connected with outlet and the flow detector 4 of the second anti-block apparatus 3 respectively by pipeline, pipeline between the outlet of described the second Solenoid ball valve 8 entrances and the second anti-block apparatus 3 is provided with several manual ball valve door and Solenoid ball valves, the outlet of described nitrogen control system 5 is divided into two-way by the 3rd Solenoid ball valve 9, the manual ball valve door of leading up to is connected with the entrance of the first Solenoid ball valve 7, another road is connected with the second Solenoid ball valve 8 entrances, described nitrogen control system 5 is provided with the nitrogen back-blowing device, and the switch board of controlling described nitrogen back-blowing device.
Specific works process of the present utility model is:
Coal gas enters the back pipe network by coal gas main pipeline 1, and coal gas enters coal gas pressure pipeline by the first anti-block apparatus 2, then enters gas pressure pick-up unit 6 through manual ball valve, the first Solenoid ball valve 7.The first anti-block apparatus 2 act as in a large amount of dusts of preventing in coal gas, pipeline that impurity enters back, when maintenance, can be dredged by sample tap.When gas pressure pressure pipeline is stifled; open the nitrogen back-blowing device; nitrogen enters gas pressure pressure pipeline and is purged through nitrogen pipeline the 3rd Solenoid ball valve 9, manual ball valve, and now the first Solenoid ball valve 7 is closed, and prevents the high pressure-detecting device 6 that damages of nitrogen pressure; After having purged, close the 3rd Solenoid ball valve 9, open the second Solenoid ball valve 8.
Coal gas enters the back pipe network by coal gas main pipeline 1, and coal gas enters in gas piping by the second anti-block apparatus 3, then enters gas flow pick-up unit 4 through manual ball valve, Solenoid ball valve; The second anti-block apparatus 3 act as a large amount of dusts, the impurity that prevent in coal gas and enters the back pipeline, when maintenance, can be dredged by sample tap; When gas piping is stifled, open nitrogen control system 5, nitrogen enters pipeline through the 3rd Solenoid ball valve 9 and is purged, and now closes the second Solenoid ball valve 8, prevents that nitrogen pressure is high and damages gas flow pick-up unit 4; After having purged, close the 3rd Solenoid ball valve 9, open the second Solenoid ball valve 8 and get final product.
Claims (5)
1. a gas flow detects anti-block apparatus, it is characterized in that, comprise coal gas main pipeline (1), the first anti-block apparatus (2) and the second anti-block apparatus (3), the first Solenoid ball valve (7), the second Solenoid ball valve (8), the 3rd Solenoid ball valve (9), nitrogen control system (5), flow detector (4) and pressure-detecting device (6);
The thief hatch of described the first anti-block apparatus (2) and the second anti-block apparatus (3) inserts in coal gas main pipeline (1), and outlet and pressure-detecting device (6) that the entrance of described the first Solenoid ball valve (7) and outlet are distinguished the first anti-block apparatus (2) by pipeline are connected; The entrance of described the second Solenoid ball valve (8) and outlet are connected with outlet and the flow detector (4) of the second anti-block apparatus (3) respectively by pipeline; The outlet of described nitrogen control system (5) is divided into two-way by the 3rd Solenoid ball valve (9), and the manual ball valve door of leading up to is connected with the entrance of the first Solenoid ball valve (7), and another road is connected with the second Solenoid ball valve (8) entrance.
2. gas flow according to claim 1 detects anti-block apparatus, it is characterized in that, described coal gas main pipeline (1) is provided with several Solenoid ball valves.
3. gas flow according to claim 1 detects anti-block apparatus, it is characterized in that, the pipeline between the outlet of the entrance of described the first Solenoid ball valve (7) and the first anti-block apparatus (2) is provided with several manual ball valve doors.
4. gas flow according to claim 1 detects anti-block apparatus, it is characterized in that, the pipeline between the outlet of the entrance of described the second Solenoid ball valve (8) and the second anti-block apparatus (3) is provided with several manual ball valve door and Solenoid ball valves.
5. gas flow according to claim 1 detects anti-block apparatus, it is characterized in that the switch board that described nitrogen control system (5) is provided with the nitrogen back-blowing device and controls described nitrogen back-blowing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434587.8U CN203385455U (en) | 2013-07-19 | 2013-07-19 | Coal gas flow detecting anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434587.8U CN203385455U (en) | 2013-07-19 | 2013-07-19 | Coal gas flow detecting anti-blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385455U true CN203385455U (en) | 2014-01-08 |
Family
ID=49873933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320434587.8U Expired - Lifetime CN203385455U (en) | 2013-07-19 | 2013-07-19 | Coal gas flow detecting anti-blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542993A (en) * | 2022-03-15 | 2022-05-27 | 成都理工大学 | Manual-automatic dual-purpose full-pressure anti-blocking pressure measuring device |
-
2013
- 2013-07-19 CN CN201320434587.8U patent/CN203385455U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542993A (en) * | 2022-03-15 | 2022-05-27 | 成都理工大学 | Manual-automatic dual-purpose full-pressure anti-blocking pressure measuring device |
| CN114542993B (en) * | 2022-03-15 | 2023-01-06 | 成都理工大学 | Manual-automatic dual-purpose full-pressure anti-blocking pressure measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170828 Address after: 715405 Longmen Town, Hancheng, Shaanxi Patentee after: SHAANXI HUAFU NEW ENERGY Co.,Ltd. Address before: 710018 No. 5, North Second Ring Road, Xi'an, Shaanxi Patentee before: SHAANXI IRON AND STEEL (GROUP) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |