CN205037077U - Detection apparatus for gas of buried pipeline system is leaked - Google Patents
Detection apparatus for gas of buried pipeline system is leaked Download PDFInfo
- Publication number
- CN205037077U CN205037077U CN201520627958.3U CN201520627958U CN205037077U CN 205037077 U CN205037077 U CN 205037077U CN 201520627958 U CN201520627958 U CN 201520627958U CN 205037077 U CN205037077 U CN 205037077U
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- hollow cylinder
- detection device
- container
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a gas technical field and environmental protection technical field, concretely relates to detection apparatus for gas of buried pipeline system is leaked. Detection device includes: half sealed container, one side of half sealed container is the opening side for sealed side, opposite side, the second grade valve, the second grade valve is connected with half sealed container's sealed side, the second grade valve is used for half sealed container of fast switch, gaseous interchanger, gaseous interchanger is connected with half sealed container's opening side, gaseous interchanger is used for automatic acquisition to leak the gas, half sealed container is used for the collection the leakage gas is sealed up up for safekeeping. The utility model discloses a half sealed container and gaseous interchanger are collected in succession and are leaked the gas, open half sealed container fast through pressing the valve button, use conventional gas detection appearance tracer gas concentration at the valve mouth, and the postdetection unclamps valve button self -closing valve. The utility model has the advantages of being simple in structure and convenient in operation, the practicality is strong, extensively applied.
Description
Technical field
The utility model relates to gas technology field and environmental protection technical field, is specifically related to a kind of detection device of buried pipeline system gas leakage.
Background technique
In the earth soil, the content of gas is larger on vegetation growth impact, current city's green areas is mainly street greening position, according to the requirement of greening and environmental protection unit, soil and soil gas have been carried out containing quantifier elimination to afforestation vegetation death, find that reason and the methane of the death of part vegetation are closely bound up, methane is the main component of gas.Leak combustion gas in gas course of conveying and be blended in (it is clean that dependence soil respiration needs the time of some months methane could be got rid of) in soil gas by modes such as turbulent flow, matter streams, cause local location vegetation dead because of anoxic, need to carry out studying the problem preventing gas leakage for this reason.
At present, buried pipeline system gas leakage detects, being only limitted to leak, combustion gas is altered to ground, detected by conventional gas detector, but concentration diminishes after leakage combustion gas diffuses to ground, and the impact being subject to earth surface wind is difficult to detect whether have leakage combustion gas, more cannot judge the position of leakage point.And Urban Underground light (electricity) cable, have a large amount of hole or hole, cave to periphery such as facility such as (row) waterpipe, gas pipeline etc., and discard or the vacant spaces of non-tight type pipe (culvert) inherently fuel gas flow or storage; The combustion gas of buried pipeline system leak is exchanged by soil gas gangs up above-mentioned space, and can store in stuffy space, and this is breakneck.Existing detection technique cannot effectively detect for this type of underground leak combustion gas.
Model utility content
The purpose of this utility model is to provide a kind of detection device of buried pipeline system gas leakage, effectively can detect underground leak combustion gas, improves the safety guarantee of pipe-line system, reduces gas leakage amount.
In order to achieve the above object, the technical solution adopted in the utility model is:
A detection device for buried pipeline system gas leakage, described detection device comprises:
Semitight container, the side of described semitight container is sealed sides, and opposite side is opening side; Described semitight container is used for the leakage combustion gas of collection to seal up for safekeeping;
Secondary valve, described secondary valve is connected with the sealed sides of described semitight container, and described secondary valve is used for semitight container described in snap switch;
Gas exchanger, described gas exchanger is connected with the opening side of described semitight container, and described gas exchanger is used for automatically gathering leaking combustion gas;
Wherein, described in described secondary valve open during semitight container, described leakage combustion gas is discharged from described semitight container.
Further, described detection device also comprises:
Mark, described mark is arranged on the surface of described semitight container and described secondary valve.
Further, described mark comprises colour code and Chinese character and directivity and identifies, and described colour code is the material color of described semitight container and described secondary valve.
Further, described detection device also comprises:
Expansion fixing piece, described expansion fixing piece is arranged on the lower end of described gas exchanger; Described expansion fixing piece is horn mouth shape, and bore increases successively from top to bottom.
Further, described semitight container comprises the first hollow cylinder, the second hollow cylinder and annular seal plate, described second hollow cylinder is positioned at described first hollow cylinder internal upper part, and described annular seal plate is connected with the upper end of described second hollow cylinder with the upper end of described first hollow cylinder respectively; Described first hollow cylinder inwall is provided with seal ring platform, the valve body of described secondary valve is arranged in described first hollow cylinder, and the upper surface of the middle lower surface of described valve body and described seal ring platform seals and fits, the lower end of described second hollow cylinder and the middle part upper surface of described valve body are fitted, and end face and the described annular seal plate of described valve body form sealing surface; The lower end of described first hollow cylinder is connected with described gas exchanger, and the space formed between described first hollow cylinder, described annular seal plate, described second hollow cylinder, described valve body, described gas exchanger is the containing space that described leakage combustion gas sealed up for safekeeping by described semitight container; Described second hollow cylinder is provided with some exhaust ports.
Further, described valve body comprises valve button, flashboard and valve rod; Described valve button is connected with described flashboard by described valve rod; When described flashboard is closed condition, top and the described annular seal plate of described valve button form sealing surface jointly; When by pressure described valve button, described flashboard is opened, and described valve body interior forms exhaust passage, and the gas leakage sealed up for safekeeping in described containing space is entered on the upside of described seal ring platform by described exhaust passage, is discharged afterwards by described exhaust port.
Further, described valve rod is provided with secondary, and when described valve rod advances as one-level scope, described flashboard is closed condition, and when valve rod advances as secondary scope, described flashboard is opened.
The utility model has the following advantages and beneficial effect compared to existing technology:
The utility model is by adopting semitight container and gas exchanger, leakage combustion gas can be collected continuously, by adopting secondary valve snap switch semitight container, use on secondary valve doorway conventional gas detector just can detect collection gas concentration, after detection, unclamp valve button automatic-closing valve.The utility model structure is simple, easy to operate, practical, be widely used.
Accompanying drawing explanation
The structural representation of the detection device of a kind of buried pipeline system gas leakage that Fig. 1 provides for the utility model embodiment.
1, identify; 2, semitight container; 3, secondary valve, 3-1 valve button, 3-2 valve rod, 3-3 flashboard; 4, gas exchanger; 5, expansion fixing piece; 6, seal ring platform.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
As shown in Figure 1, the detection device of a kind of buried pipeline system of the utility model embodiment gas leakage,
A detection device for buried pipeline system gas leakage, described detection device comprises: semitight container 2, and the side of described semitight container 2 is sealed sides, and opposite side is opening side, and described semitight container 2 is for sealing up for safekeeping the leakage combustion gas of collection; Secondary valve 3, described secondary valve 3 is connected with the sealed sides of described semitight container 2, and described secondary valve 3 is for semitight container 2 described in snap switch; Gas exchanger 4, described gas exchanger 4 is connected with the opening side of described semitight container 2, and described gas exchanger 4 is for automatically gathering leakage combustion gas, and described semitight container 2 is for sealing up for safekeeping the described leakage combustion gas gathered.Wherein, when described secondary valve 3 opens described semitight container 2, described leakage combustion gas is discharged from described semitight container 2.
Further, described detection device also comprises: mark 1, described mark is arranged on the surface of described semitight container 2 and described secondary valve 3.Particularly, described mark 1 comprises colour code and Chinese character and directivity and identifies, and described colour code is the material color of described semitight container 2 and described secondary valve 3.
Further, described detection device also comprises: expansion fixing piece 5, and described expansion fixing piece 5 is arranged on the lower end of described gas exchanger 4; Described expansion fixing piece 5 is horn mouth shape, and bore increases successively from top to bottom.
Further, described semitight container 2 comprises the first hollow cylinder, the second hollow cylinder and annular seal plate, described second hollow cylinder is positioned at described first hollow cylinder internal upper part, and described annular seal plate is connected with the upper end of described second hollow cylinder with the upper end of described first hollow cylinder respectively; Described first hollow cylinder inwall is provided with seal ring platform 6, the valve body of described secondary valve 3 is arranged in described first hollow cylinder, and the upper surface of the middle lower surface of described valve body and described seal ring platform 6 seals and fits, the lower end of described second hollow cylinder and the middle part upper surface of described valve body are fitted, and end face and the described annular seal plate of described valve body form sealing surface; The lower end of described first hollow cylinder is connected with described gas exchanger 4, and the space formed between described first hollow cylinder, described annular seal plate, described second hollow cylinder, described valve body, described gas exchanger 4 is the containing space that described leakage combustion gas sealed up for safekeeping by described semitight container 2; Described second hollow cylinder is provided with some exhaust ports.
Particularly, described valve body comprises valve button 3-1, flashboard 3-3 and valve rod 3-2, and described valve button 3-1 is connected with described flashboard 3-3 by described valve rod 3-2; When described flashboard 3-3 is closed condition, top and the described annular seal plate of described valve button 3-1 form sealing surface jointly; When by pressure described valve button 3-1, exhaust port on described second hollow cylinder exposes, described flashboard 3-3 opens, described valve body interior forms exhaust passage, the gas leakage sealed up for safekeeping in described containing space is entered on the upside of described seal ring platform 6 by described exhaust passage, is discharged afterwards by described exhaust port.
Particularly, described valve rod 3-2 is provided with secondary, and when described valve rod 3-2 advances as one-level scope, described flashboard 3-3 is closed condition, and when valve rod advances as secondary scope, described flashboard 3-3 opens.
In the present embodiment, valve button 3-1 and annular seal plate form first and seal, the middle part of valve body and described seal ring platform form permanent second and seal, and described flashboard 3-3 is three seals, and three seals guarantees that the combustion gas gas leaked is sealed up for safekeeping in semitight container 2.
The using process of the utility model embodiment is as follows:
In built or newly-built buried pipeline system, bury described detection device underground.If when buried pipeline system has a gas leakage, leak combustion gas and flow in soil or matter flow to outside detection device, carry out gas exchanges by gas exchanger 4, combustion gas collection is stored in semitight container 2 by detection device.During detection, press valve button 3-1, the flashboard 3-3 on secondary valve 3 is opened by valve rod 3-2, the inductive head of conventional gas detector is placed on the space that valve button is pressed, if detect gas concentration higher than specified value, then near detection device being described, pipe-line system has gas leakage, need continue to keep valve open 10-30 emptying second to leak combustion gas, if detect data before throttle down still higher than specified value, the leakage situation that the buried pipeline system near this device of illustrating is comparatively serious; In the Supreme People's Procuratorate's measured value according to continuous several detection device, the position of Supreme Procuratorate's measured value device is position near leakage point.
Advantage of the present utility model is as follows:
1. structure simple, practical, be widely used: the utility model detection device by identifying 1, semitight container 2, secondary valve 3, gas exchanger form 4, expansion reinforcing part 5 is installed in necessary lower end.Without the need to the connection of miscellaneous equipment, will to identify and measuring ability combines design, the field of gas burning field and station etc. can be widely used in, thus the utility model have structure simple, practical, be widely used.
2. detection time is short, simple to operate, operational condition is looser: when the utility model device detects, only need to press valve button 3-1 and use conventional gas detector, be only 2 seconds detection time-5 second time, testing environment is not by weather effect, therefore the utility model detection time is short, simple to operate, operational condition is looser;
3. there is multifunctionality: the utility model device not only can detect gas leakage, can also use as pipeline identification, be convenient to patrolling and examining of buried pipeline system.Therefore the utility model has multifunctionality;
4. reduce leakage combustion gas and derive accident: use of the present utility model, not only can detect buried pipeline system leak situation, the particular location of leakage point can also be judged by detecting Data Comparison, being convenient to timely seal leakage point.Therefore model utility of the present utility model can reduce gas accidents;
5. energy saving: use of the present utility model can Timeliness coverage leakage point, taking more early ties up emergency repair measure, thus reduces the combustion gas proportion of goods damageds, energy saving;
6. reduce carbon emission, protection of the environment: use of the present utility model can save combustion gas; combustion gas main component is methane; and the latent value that warms of methane is equivalent to 63 times of carbon dioxide; therefore use of the present utility model not only reduces the combustion gas proportion of goods damageds; and minimizing carbon emission; and the content of methane in soil can be reduced, protection of the environment.
Above-described embodiment is the utility model preferably mode of execution; but mode of execution of the present utility model is not restricted to the described embodiments; change, the modification made under other any does not deviate from the utility model Spirit Essence and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (7)
1. a detection device for buried pipeline system gas leakage, is characterized in that, described detection device comprises:
Semitight container, the side of described semitight container is sealed sides, and opposite side is opening side; Described semitight container is used for the leakage combustion gas of collection to seal up for safekeeping;
Secondary valve, described secondary valve is connected with the sealed sides of described semitight container, and described secondary valve is used for semitight container described in snap switch;
Gas exchanger, described gas exchanger is connected with the opening side of described semitight container, and described gas exchanger is used for automatically gathering leaking combustion gas;
Wherein, described in described secondary valve open during semitight container, described leakage combustion gas is discharged from described semitight container.
2. detection device as claimed in claim 1, it is characterized in that, described detection device also comprises:
Mark, described mark is arranged on the surface of described semitight container and described secondary valve.
3. detection device as claimed in claim 1, is characterized in that, described mark comprises colour code and Chinese character and directivity and identifies, and described colour code is the material color of described semitight container and described secondary valve.
4. detection device as claimed in claim 1, it is characterized in that, described detection device also comprises:
Expansion fixing piece, described expansion fixing piece is arranged on the lower end of described gas exchanger; Described expansion fixing piece is horn mouth shape, and bore increases successively from top to bottom.
5. detection device as claimed in claim 1, it is characterized in that, described semitight container comprises the first hollow cylinder, the second hollow cylinder and annular seal plate, described second hollow cylinder is positioned at described first hollow cylinder internal upper part, and described annular seal plate is connected with the upper end of described second hollow cylinder with the upper end of described first hollow cylinder respectively; Described first hollow cylinder inwall is provided with seal ring platform, the valve body of described secondary valve is arranged in described first hollow cylinder, and the upper surface of the middle lower surface of described valve body and described seal ring platform seals and fits, the lower end of described second hollow cylinder and the middle part upper surface of described valve body are fitted, and end face and the described annular seal plate of described valve body form sealing surface; The lower end of described first hollow cylinder is connected with described gas exchanger, and the space formed between described first hollow cylinder, described annular seal plate, described second hollow cylinder, described valve body, described gas exchanger is the containing space that described leakage combustion gas sealed up for safekeeping by described semitight container; Described second hollow cylinder is provided with some exhaust ports.
6. detection device as claimed in claim 5, it is characterized in that, described valve body comprises valve button, flashboard and valve rod; Described valve button is connected with described flashboard by described valve rod; When described flashboard is closed condition, top and the described annular seal plate of described valve button form sealing surface jointly; When by pressure described valve button, described flashboard is opened, and described valve body interior forms exhaust passage, and the gas leakage sealed up for safekeeping in described containing space is entered on the upside of described seal ring platform by described exhaust passage, is discharged afterwards by described exhaust port.
7. detection device as claimed in claim 6, it is characterized in that, described valve rod is provided with secondary, and when described valve rod advances as one-level scope, described flashboard is closed condition, and when valve rod advances as secondary scope, described flashboard is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627958.3U CN205037077U (en) | 2015-08-19 | 2015-08-19 | Detection apparatus for gas of buried pipeline system is leaked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627958.3U CN205037077U (en) | 2015-08-19 | 2015-08-19 | Detection apparatus for gas of buried pipeline system is leaked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037077U true CN205037077U (en) | 2016-02-17 |
Family
ID=55295979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520627958.3U Withdrawn - After Issue CN205037077U (en) | 2015-08-19 | 2015-08-19 | Detection apparatus for gas of buried pipeline system is leaked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205037077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114816A (en) * | 2015-08-19 | 2015-12-02 | 北京亿鸟环保科技有限公司 | Detecting device for fuel gas leakage of buried pipeline system |
-
2015
- 2015-08-19 CN CN201520627958.3U patent/CN205037077U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114816A (en) * | 2015-08-19 | 2015-12-02 | 北京亿鸟环保科技有限公司 | Detecting device for fuel gas leakage of buried pipeline system |
| CN105114816B (en) * | 2015-08-19 | 2017-11-03 | 北京亿鸟环保科技有限公司 | A kind of detection means of buried pipeline system gas leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109091786B (en) | Intelligent fire hydrant system | |
| CN205804411U (en) | A kind of hydraulic pressure well lid for pipe gallery | |
| CN206292074U (en) | A kind of piston drawing-in type ground water fixed depth harvester | |
| CN104631506B (en) | A kind of Intelligent well cover | |
| CN205037077U (en) | Detection apparatus for gas of buried pipeline system is leaked | |
| CN105951887A (en) | Hydraulic well lid for comprehensive pipe rack | |
| CN107607366B (en) | A kind of methane collection device, coal seam gas production well discharge of methane measurement device and method | |
| CN105114816A (en) | Detecting device for fuel gas leakage of buried pipeline system | |
| CN109580903A (en) | A kind of biogas natural gas intelligent judgement system for underground confined space | |
| CN112924249B (en) | Sampling and injecting device and method for carbon isotope analysis of slurry gas | |
| CN206648789U (en) | A kind of transport pipeline inspection car | |
| CN102914454B (en) | Drilling water taking device and water taking method | |
| CN205785712U (en) | Steel cylinder air tight test device | |
| CN204439295U (en) | A kind of urea tank air-leakage test mechanism | |
| CN206369611U (en) | A kind of waste water tank leakage monitoring system | |
| CN115375061A (en) | Intelligent patrol inspection management system based on natural gas | |
| CN201672132U (en) | Exhaust valve with anti-leakage protection device | |
| CN213479818U (en) | Based on CO2Tail gas recovery system for gas leakage detection | |
| CN206671009U (en) | A kind of gas collector of negative pressure anti-leak | |
| CN104330286B (en) | External floating roof tank gas concentration sampling detector for multifunctional and sample detecting method thereof | |
| CN202886074U (en) | Leakage detector for fuel system | |
| CN208219600U (en) | Foundation pit Groundwater Monitoring system | |
| CN207019844U (en) | One kind is easy to waste line anti-leak detection means | |
| CN207702138U (en) | A kind of gas-detecting device for natural gas line | |
| CN205643101U (en) | Impervious water capability test device of vehicular bituminous paving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160217 Effective date of abandoning: 20171103 |