CN203500858U - Device for detecting coal gas pressure and flow and preventing blockage - Google Patents
Device for detecting coal gas pressure and flow and preventing blockage Download PDFInfo
- Publication number
- CN203500858U CN203500858U CN201320383167.1U CN201320383167U CN203500858U CN 203500858 U CN203500858 U CN 203500858U CN 201320383167 U CN201320383167 U CN 201320383167U CN 203500858 U CN203500858 U CN 203500858U
- Authority
- CN
- China
- Prior art keywords
- gas
- gas pressure
- flow
- pipe
- instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a device for detecting coal gas pressure and flow and preventing blockage. The device comprises a coal gas pipeline, wherein a sampling opening of the coal gas pipeline is led respectively to a pressure detector and a flow detector through an instrument gauge pipe, and a nitrogen reverse blowing device is connected to the instrument gauge pipe by a pipeline. Through the additional arrangement of the nitrogen reverse blowing device on the instrument gauge pipe, the blockage of the pipeline can be effectively avoided by the device, the display accuracy of detection instruments is ensured, and the economic and safe running of a boiler is ensured.
Description
Technical field
The utility model belongs to gas pipe line technical field, relates to a kind of gas pipe line anti-block device, especially a kind of gas pressure, flow detection anti-block device.
Background technique
Rough gas pressure, flow detector often cause gas pressure, flow detector pipeline, valve and sample tap to stop up owing to containing a large amount of impurity and other composition in coal gas.
1) original gas pressure, flow detector often stop up, and need manually to dredge after artificial dredging (dressing online coal gas protective equipment) or blowing out.
2) gas pressure shows undesired or data are slow in reacting, causes certain influence to boiler operatiopn and monitoring, allows the stoker personnel cannot be in time according to gas pressure adjust operation operating mode.Also affected the Security of boiler operatiopn.
3) cannot guarantee that flow detector normal display data or data are slow in reacting, cause certain influence to boiler economic operation and monitoring, cannot, in time according to gas flow adjustment adjustment and air proportions of ingredients, cause waste and the boiler uneconomical operation to a certain extent of fuel.
Model utility content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of gas pressure, flow detection anti-block device are provided, this device by installing nitrogen back-blowing device additional on instrument tube, can effectively prevent line clogging, guarantee the demonstration degree of accuracy of measuring instrument, guarantee the economical operation Security of boiler.
The purpose of this utility model solves by the following technical programs:
This gas pressure, flow detection anti-block device, comprise gas-pipe line, at the sample tap of gas-pipe line, causes pressure-detecting device and flow detector respectively by instrument tube, on described instrument tube, by pipeline, is connected with a set of nitrogen back-blowing device.
The first sample tap of above-mentioned gas-pipe line is connected to pressure-detecting device by first instrument table pipe, on first instrument table pipe, in first Solenoid ball valve that is attached with of Bonding pressure detection device.
The second sample tap of above-mentioned gas-pipe line is connected to flow detector by two second instrument table pipes, near two second instrument table pipes connect flow detector, the second Solenoid ball valve is all installed.
The 3rd Solenoid ball valve is equipped with in the outlet of above-mentioned nitrogen back-blowing device.
Above-mentioned nitrogen back-blowing device is controlled by electrical apparatus control system, and described electrical apparatus control system is DCS or PLC programmed control system.
The entrance of above-mentioned nitrogen back-blowing device is equipped with air filter.
Above-mentioned first instrument table pipe is connected with gas-pipe line by windproof block apparatus with second instrument table pipe.
The utlity model has following beneficial effect:
Gas pressure of the present utility model, flow detection anti-block device are by installing nitrogen back-blowing device additional on the pressure at gas-pipe line, instrument tube before flow detector, can realize regularly these instrument tubes are carried out to nitrogen reverse blowing disposal, the problem of effectively having avoided artificial treatment to cause, not only effectively guaranteed that gas pressure, flow detector normally show, and can guarantee the Security of boiler operatiopn, for economical operation and science scheduling provide Data safeguard.
Accompanying drawing explanation
Fig. 1 is linkage structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of windproof block apparatus 10 of the present utility model.
Wherein: 1 is gas-pipe line; 2 is pressure-detecting device; 3 is flow detector; 4 is the first Solenoid ball valve; 5 is nitrogen back-blowing device; 6 is first instrument table pipe; 7 is second instrument table pipe; 8 is the second Solenoid ball valve; 9 is the 3rd Solenoid ball valve; 10 is windproof block apparatus; 11 is the 4th Solenoid ball valve.
Embodiment
Gas pressure of the present utility model, flow detection anti-block device carry out according to following some scheme:
(1) existing sample tap instrument tube is replaced with windproof block apparatus, then by table pipe, cause pressure, flow detector.
(2) change existing sampling aciculiform valve into Stainless Steel Ball Valve, prevent from stopping up and and conveniently cleaning, blowback.
(3) at pressure, flow detector, go out to increase Solenoid ball valve, when nitrogen blowback, automatically close, while having blown, automatically open.
(4) Solenoid ball valve is equipped with in the outlet of nitrogen back-blowing device, while purging to facilitate, automatically opens; While having blown, automatically close.
(5) nitrogen back-blowing device electrical appliance control system is controlled (or with DCS PLC programmed control system), and nitrogen back-blowing device entrance is equipped with air filter, prevents dust, impurity.
(6) program time set basis concrete condition is set.
According to above scheme, below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1: gas pressure of the present utility model, flow detection anti-block device, comprise gas-pipe line 1, sample tap at gas-pipe line 1 causes pressure-detecting device 2 and flow detector 3 by instrument tube respectively, and on instrument tube, by pipeline, being connected with a set of nitrogen back-blowing device 5(is nitrogen blowback system).Be specially:
The first sample tap A of described gas-pipe line 1 is connected to pressure-detecting device 2 by first instrument table pipe 6, on first instrument table pipe 6, in first Solenoid ball valve 4 that is attached with of Bonding pressure detection device 2.
The second sample tap B of described gas-pipe line 1 is connected to flow detector 3 by two second instrument table pipes 7, near two second instrument table pipes 7 connect flow detector 3, the second Solenoid ball valve 8 is all installed.
In the outlet of described nitrogen back-blowing device 5, the 3rd Solenoid ball valve 9 is also housed.And, on two second instrument table pipes 7, the 4th Solenoid ball valve 12 being also installed, the outlet pipe of nitrogen back-blowing device is connected on the second instrument table pipe 7 between the 4th Solenoid ball valve 11 and the second Solenoid ball valve 8.
Further, nitrogen back-blowing device 5 of the present utility model is controlled by electrical apparatus control system, and electrical apparatus control system is DCS or PLC programmed control system.The entrance of nitrogen back-blowing device 5 is also equipped with air filter.
Described first instrument table pipe 6 is connected with gas-pipe line 1 by windproof block apparatus 10 with second instrument table pipe 7.The structure of windproof block apparatus 10 is as shown in Figure 2: its main body is a conical cavity, and each instrument tube is connected on gas-pipe line 1 by this device.
The utility model is when work, under normal circumstances, nitrogen back-blowing device 5 is not worked, pressure-detecting device 2 and normal pressure and the flow that detects coal gas of flow detector 3, when need to clear up in instrument tube obstruction time, close the first Solenoid ball valve 4 and the second Solenoid ball valve 8, open the 3rd Solenoid ball valve 9 and the 4th Solenoid ball valve 11, open nitrogen back-blowing device, instrument tube is carried out to nitrogen blowback and complete cleaning.
Claims (7)
1. a gas pressure, flow detection anti-block device, it is characterized in that, comprise gas-pipe line (1), sample tap at gas-pipe line (1) causes pressure-detecting device (2) and flow detector (3) by instrument tube respectively, on described instrument tube, by pipeline, is connected with a set of nitrogen back-blowing device (5).
2. gas pressure according to claim 1, flow detection anti-block device, it is characterized in that, first sample tap (A) of described gas-pipe line (1) is connected to pressure-detecting device (2) by first instrument table pipe (6), upper at first instrument table pipe (6), in Bonding pressure detection device (2), be attached with the first Solenoid ball valve (4).
3. gas pressure according to claim 2, flow detection anti-block device, it is characterized in that, second sample tap (B) of described gas-pipe line (1) is connected to flow detector (3) by two second instrument table pipes (7), near two second instrument table pipes (7) connect flow detector (3), the second Solenoid ball valve (8) is all installed.
4. gas pressure according to claim 1, flow detection anti-block device, is characterized in that, the 3rd Solenoid ball valve (9) is equipped with in the outlet of described nitrogen back-blowing device (5).
5. gas pressure according to claim 1, flow detection anti-block device, is characterized in that, described nitrogen back-blowing device (5) is controlled by electrical apparatus control system, and described electrical apparatus control system is DCS or PLC programmed control system.
6. gas pressure according to claim 1, flow detection anti-block device, is characterized in that, the entrance of described nitrogen back-blowing device (5) is equipped with air filter.
7. gas pressure according to claim 3, flow detection anti-block device, is characterized in that, described first instrument table pipe (6) is connected with gas-pipe line (1) by windproof block apparatus (10) with second instrument table pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320383167.1U CN203500858U (en) | 2013-06-28 | 2013-06-28 | Device for detecting coal gas pressure and flow and preventing blockage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320383167.1U CN203500858U (en) | 2013-06-28 | 2013-06-28 | Device for detecting coal gas pressure and flow and preventing blockage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500858U true CN203500858U (en) | 2014-03-26 |
Family
ID=50331834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320383167.1U Expired - Lifetime CN203500858U (en) | 2013-06-28 | 2013-06-28 | Device for detecting coal gas pressure and flow and preventing blockage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443992A (en) * | 2015-12-21 | 2016-03-30 | 天津海茨科技有限公司 | Device for inspecting pipeline blockage |
| CN106017782A (en) * | 2016-06-24 | 2016-10-12 | 国投钦州发电有限公司 | Wet flue gas desulphurization mist eliminator differential pressure measurer for thermal power generation factory |
| CN109847417A (en) * | 2017-11-30 | 2019-06-07 | 南通星辰合成材料有限公司 | A kind of high organic wastewater with high salt is temporary and precipitates storage tank |
-
2013
- 2013-06-28 CN CN201320383167.1U patent/CN203500858U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443992A (en) * | 2015-12-21 | 2016-03-30 | 天津海茨科技有限公司 | Device for inspecting pipeline blockage |
| CN106017782A (en) * | 2016-06-24 | 2016-10-12 | 国投钦州发电有限公司 | Wet flue gas desulphurization mist eliminator differential pressure measurer for thermal power generation factory |
| CN109847417A (en) * | 2017-11-30 | 2019-06-07 | 南通星辰合成材料有限公司 | A kind of high organic wastewater with high salt is temporary and precipitates storage tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203500858U (en) | Device for detecting coal gas pressure and flow and preventing blockage | |
| CN204286527U (en) | Prevent the Simple counter blowing apparatus of the dirty blocking of differential pressure flowmeter pressure tappings ash | |
| CN109108001B (en) | Automatic purging device and purging method for differential pressure measurement pipeline of demister of desulfurizing tower | |
| CN203393177U (en) | On-line cleaner for instrument tapping pipeline | |
| CN205981740U (en) | Flue gas able to programme prevents that stifled sampler pressure differential pressure sweeps control box | |
| CN203247283U (en) | Device for measuring micro differential pressure at converter opening | |
| CN202626223U (en) | Cleaning device of blast furnace top pressure pressure-tapping pipeline | |
| CN212748859U (en) | Multipoint self-drainage smoke detection system | |
| CN207263366U (en) | A kind of automatic blowout device of flue gas pressures detection | |
| CN203620321U (en) | Automatic filter tank backwashing device | |
| CN205080039U (en) | Oil gas well casing line, gas gathering station corrode monitoring devices | |
| CN103754650A (en) | Coal dust high-pressure sense-phase transportation control system based on DCS | |
| CN208984273U (en) | A kind of coke oven bridge tube raw coke oven gas pressure-measuring system | |
| CN207280536U (en) | A kind of automatic blowing control system | |
| CN214893839U (en) | High-efficient, stable wind pressure is measured and is prevented stifled device that sweeps | |
| CN203688141U (en) | Blowing system and blowing device of industrial control instrument sampling pipeline | |
| CN202253692U (en) | Boiler detection point ash clearing system and control device | |
| CN202453232U (en) | Sample gas processing detecting system of online analyzer | |
| CN212397527U (en) | Automatic blowback device of sample pipeline | |
| CN206440653U (en) | Desulfuration absorbing tower pH value measurement apparatus | |
| CN204594618U (en) | A kind of mist separator of desulfurization differential pressure sampling pipe automatic back blow device | |
| CN203376191U (en) | Anti-blocking air pressure sampling equipment | |
| CN204008233U (en) | A kind of anti-blocking blowback sampler | |
| CN204570808U (en) | A kind of integral intelligent silencing pump-in-tube supply equipment | |
| CN203232098U (en) | On-line conductivity detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |