CN205229124U - System for be used for improving combustion engine hazardous gas detecting reliability - Google Patents
System for be used for improving combustion engine hazardous gas detecting reliability Download PDFInfo
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- CN205229124U CN205229124U CN201520898866.9U CN201520898866U CN205229124U CN 205229124 U CN205229124 U CN 205229124U CN 201520898866 U CN201520898866 U CN 201520898866U CN 205229124 U CN205229124 U CN 205229124U
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Abstract
The utility model relates to a system for be used for improving combustion engine hazardous gas detecting reliability, including hazardous gas detection mechanism and switch board, the outside of switch board setting between the turbine, hazardous gas detection mechanism install in the inside of switch board, quantity is n, wherein n is 3~5 integer, hazardous gas detection mechanism include dangerous gas detector and be used for the exhaust component of the gas delivery in between the turbine to dangerous gas detector. Compared with the prior art, the utility model has the advantages of the reliability is high, long service life, overhauls and maintains the convenience.
Description
Technical field
The utility model relates to a kind of hazardous gas detection system, especially relates to a kind of system for improving combustion engine hazardous gas detecting reliability.
Background technology
Between turbine during gas turbine operation, Normal Environmental Temperature is between 130 DEG C to 150 DEG C; in order to the generation preventing the gas leakage in turbine from causing accident; four cover hazardous gas pick-up units are installed in turbine and have detected the leakage whether having rock gas; but because environment temperature is too high, cause the damage of hazardous gas pick-up unit normally to work always.
Chinese patent CN200968942Y discloses that a kind of gas gathers automatically, monitoring device; There is cabinet, cabinet is made up of casing and case lid, in cabinets cavity, Miniature electric air pump is installed, the air entry of this Miniature electric air pump is communicated with draft tube, draft tube stretches out in outside box body wall, draft tube is equipped with the filtrator that can filter steam and dust, and the gas outlet of this Miniature electric air pump is connected with inside and outside gas outlet through threeway, the mouth of pipe of inside exhaust pipe is communicated with cabinets cavity, and the mouth of pipe of outer gas outlet is exposed to outside casing; Inside and outside gas outlet is all equipped with valve, at least one sensor is housed in cabinets cavity, the sidewall of casing is equipped with a unidirectional gas bleed valve of outwards exitting.In this patent, hazardous gas is passed into the whole space in cabinets cavity, cannot avoid interfering with each other, and due to the existence of cavity space, the signal of hazardous gas is had larger delayed.
Summary of the invention
The purpose of this utility model is exactly to overcome the defect that above-mentioned prior art exists and the system for improving combustion engine hazardous gas detecting reliability providing a kind of long service life, maintenance repair easy to maintenance.
The purpose of this utility model can be achieved through the following technical solutions:
For improving a system for combustion engine hazardous gas detecting reliability, comprise hazardous gas testing agency and switch board,
Described switch board is arranged on the outside between turbine,
Described hazardous gas testing agency is arranged on the inside of switch board, and quantity is n, and wherein n is the integer of 3 ~ 5,
Described hazardous gas testing agency comprises gas-hazard meter and the vacuum elements for the gas in turbine being delivered to gas-hazard meter.
Described vacuum elements is vacuum generator, and one end of vacuum generator is provided with compressed air inlet, and the other end is provided with exhausr port, and side is provided with air entry; Compressed air inlet is connected with compressed air piping, and air entry is connected with gas-hazard meter by pipeline.
Described detector for hazardous gas is provided with air intake opening and gas outlet, the gas outlet of gas-hazard meter is connected with the air entry of vacuum generator by hazardous gas escape pipe, and air intake opening and one end of gas-hazard meter are arranged on hazardous gas draft tube inner between turbine and are connected.
Described hazardous gas draft tube is provided with air inlet adjustment valve and filtration purifier; Described hazardous gas escape pipe is provided with flowmeter.
This system also comprises the bypass aspirating air pipe with variable valve, and one end is connected on the hazardous gas admission line before the import of air inlet adjustment valve, the other end be connected to flowmeter outlet after hazardous gas outlet pipe on.
This system also comprises alarm, and described alarm is connected by cable with gas-hazard meter.
The quantity of described hazardous gas testing agency is 4.
Described hazardous gas draft tube surface exposure or be provided with cooling body.
Described compressed air piping is provided with pressure regulator valve.
The exhausr port of described vacuum generator is provided with gas exhaust duct, leads to the outside of control box.
Compared with prior art, the utility model has the following advantages:
(1) hazardous gas testing agency is moved on to control box outside between turbine from inner between turbine, and put together, be conducive to daily repair and maintenance.
(2) with gas piping, gas inner between turbine is transported out through hazardous gas draft tube, hazardous gas draft tube is through naturally cooling, cooling provision is adopted when being necessary, introduce after gas temperature being down to normal temperature in control box, transfer to gas-hazard meter, avoid the injury that hot environment causes checkout equipment, improve reliability and the serviceable life of the detection system of hazardous gas, and filtered before entering gas-hazard meter, the materials such as removing oils wherein and particle, and carry out drying, preventing pollution thing damages checkout equipment.
(3) native system can detect the interior hazardous gas of turbine by real-time online, in order to prevent the delayed of detection signal, detection is impacted, be provided with the bypass aspirating air pipe with variable valve, during work, this variable valve standard-sized sheet, then by regulating the valve regulated above air inlet adjustment valve and flowmeter by the flow of the gas of gas-hazard meter, less owing to detecting the gas flow needed, the existence of bypass makes the gas replenishment in admission line accelerate, enter the delayed less of the signal of gas-hazard meter, decrease the delayed impact caused.
(4) adopt vacuum generator to realize the transmission of hazardous gas, thus avoid the use of the electricity of air-extractor, and there is no moving component, reliability is high, the gas of simultaneously discharging have passed through dilution, can not cause a large amount of gatherings near control box, thus safer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of hazardous gas testing agency of the present utility model;
In figure, 1 is between turbine, and 2 is combustion engine, 3 is hazardous gas draft tube, and 4 is hazardous gas testing agency, and 5 is switch board, 6 is vacuum generator, and 7 is gas-hazard meter, and 8 is air inlet adjustment valve, 9 is filtration purifier, and 10 is spinner-type flowmeter, and 11 is bypass valve, 12 is pressure regulator valve, 13 is compressed air piping, and 14 is hazardous gas outlet pipe, and 15 is gas exhaust duct.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
A kind of system for improving combustion engine hazardous gas detecting reliability, its structure as shown in Figure 1, when combustion engine 2 between turbine in 1 works, indoor temperature is between 130 DEG C ~ 150 DEG C, originally four the hazardous gas testing agencies 4 being arranged between turbine 1 to be moved on between turbine the switch board 5 of 800 × 1000 × 800mm outside 1, gas between turbine in 1 is delivered to hazardous gas testing agency 4 as hazardous gas admission line 3 by the pipeline respectively by the surface exposures of 4 meters long, detect, when at least three in four hazardous gas testing agencies 4 detect hazardous gas, the alarm be attached thereto produces alerting signal, notify staff.
Wherein, hazardous gas testing agency 4 comprises vacuum generator 6 and gas-hazard meter 7, and as shown in Figure 2, vacuum generator 6 one end is provided with compressed air inlet, and the other end is provided with exhausr port, and side is provided with air entry; Detector for hazardous gas 7 is provided with air intake opening and gas outlet; The compressed air inlet of vacuum generator 6 is connected with compressed air piping 13, and air entry is connected with the outlet of gas-hazard meter 7 by hazardous gas outlet pipe 14, and exhausr port is connected to gas exhaust duct 15, leads to control box outside; Air intake opening and one end of gas-hazard meter 7 are arranged on hazardous gas draft tube 3 in turbine and are connected, hazardous gas draft tube 3 is provided with recent variable valve 8 and filtration purifier 9, hazardous gas outlet pipe 14 is provided with spinner-type flowmeter 10, hazardous gas testing agency 4 also comprises the bypass aspirating air pipe with bypass valve 11, one end is connected in the hazardous gas draft tube 3 before air inlet adjustment valve 8 import, and the other end is connected on the hazardous gas outlet pipe 14 after spinner-type flowmeter 10 exports.
During work, the bypass valve 11 of hazardous gas testing agency 4 is reached maximum, open air inlet adjustment valve 8, open pressure regulator valve 12, the compressed-air actuated pressure controlling the outlet of pressure regulator valve in compressed air piping 13 is 0.2MPa, pressurized air is discharged through the exhausr port of vacuum generator 6, the gas of 1 inside between turbine is conveyed through gas-hazard meter 7 by pipeline and enters in vacuum generator 6 by the vacuum produced, along with pressurized air is discharged, the flow through gas-hazard meter 7 passes through to regulate the Valve controlling on air inlet adjustment valve 8 and spinner-type flowmeter.
By adopting four hazardous gas testing agencies, after at least three testing agencies detect alerting signal, alarm produces alerting signal, can prevent wrong report like this, fail to report, more safe and reliable, and can not produce disturbing effect mutually, reliability is high.
The present embodiment can carry out on-line checkingi, and this lifetime of system is long, reliability is high, maintenance repair is easy to maintenance.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is that the present embodiment is that long to be the surface of the 3 meters pipeline that is provided with cooling body carry out on-line checkingi as hazardous gas draft tube 3 by the gas-hazard meter 7 that the gas between turbine in 1 delivers in control box by one.This lifetime of system is long, reliability is high, maintenance repair is easy to maintenance.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and difference is that the present embodiment is that long to be the surface of the 5 meters pipeline that is provided with cooling body carry out on-line checkingi as hazardous gas draft tube 3 by the gas-hazard meter 7 that the gas between turbine in 1 delivers in control box by one.This lifetime of system is long, reliability is high, maintenance repair is easy to maintenance.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is, the present embodiment adopts five hazardous gas testing agencies 5, and when at least four hazardous gas testing agencies 5 wherein detect hazardous gas, the alarm be attached thereto produces alerting signal.This lifetime of system is long, reliability is high, maintenance repair is easy to maintenance.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, and difference is, the present embodiment adopts three hazardous gas testing agencies 5, and when at least Liang Ge hazardous gas testing agency 5 wherein detects hazardous gas, the alarm be attached thereto produces alerting signal.This lifetime of system is long, reliability is high, maintenance repair is easy to maintenance.
Claims (10)
1., for improving a system for combustion engine hazardous gas detecting reliability, comprising hazardous gas testing agency and switch board, it is characterized in that,
Described switch board is arranged on the outside between turbine,
Described hazardous gas testing agency is arranged on the inside of switch board, and quantity is n, and wherein n is the integer of 3 ~ 5,
Described hazardous gas testing agency comprises gas-hazard meter and the vacuum elements for the gas in turbine being delivered to gas-hazard meter.
2. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 1, it is characterized in that, described vacuum elements is vacuum generator, and one end of vacuum generator is provided with compressed air inlet, the other end is provided with exhausr port, and side is provided with air entry; Compressed air inlet is connected with compressed air piping, and air entry is connected with gas-hazard meter by pipeline.
3. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 2, it is characterized in that, described detector for hazardous gas is provided with air intake opening and gas outlet, the gas outlet of gas-hazard meter is connected with the air entry of vacuum generator by hazardous gas escape pipe, and air intake opening and one end of gas-hazard meter are arranged on hazardous gas draft tube inner between turbine and are connected.
4. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 3, is characterized in that, described hazardous gas draft tube is provided with air inlet adjustment valve and filtration purifier; Described hazardous gas escape pipe is provided with flowmeter.
5. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 4, it is characterized in that, this system also comprises the bypass aspirating air pipe with variable valve, one end is connected on the hazardous gas admission line before air inlet adjustment valve, the other end be connected to flowmeter after hazardous gas outlet pipe on.
6. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 1, it is characterized in that, also comprise alarm, described alarm is connected by cable with gas-hazard meter.
7. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 1, is characterized in that, the quantity of described hazardous gas testing agency is 4.
8. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 1, is characterized in that, described hazardous gas draft tube surface exposure or be provided with cooling body.
9. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 2, it is characterized in that, described compressed air piping is provided with pressure regulator valve.
10. a kind of system for improving combustion engine hazardous gas detecting reliability according to claim 2, it is characterized in that, the exhausr port of described vacuum generator is provided with gas exhaust duct, leads to the outside of control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898866.9U CN205229124U (en) | 2015-11-12 | 2015-11-12 | System for be used for improving combustion engine hazardous gas detecting reliability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520898866.9U CN205229124U (en) | 2015-11-12 | 2015-11-12 | System for be used for improving combustion engine hazardous gas detecting reliability |
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| Publication Number | Publication Date |
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| CN205229124U true CN205229124U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520898866.9U Active CN205229124U (en) | 2015-11-12 | 2015-11-12 | System for be used for improving combustion engine hazardous gas detecting reliability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799130A (en) * | 2017-04-27 | 2018-11-13 | 上海漕泾热电有限责任公司 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
-
2015
- 2015-11-12 CN CN201520898866.9U patent/CN205229124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799130A (en) * | 2017-04-27 | 2018-11-13 | 上海漕泾热电有限责任公司 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
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| C14 | Grant of patent or utility model | ||
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