CN2630626Y - Process-gas by-pass pre-processing apparatus - Google Patents
Process-gas by-pass pre-processing apparatus Download PDFInfo
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- CN2630626Y CN2630626Y CN 03231711 CN03231711U CN2630626Y CN 2630626 Y CN2630626 Y CN 2630626Y CN 03231711 CN03231711 CN 03231711 CN 03231711 U CN03231711 U CN 03231711U CN 2630626 Y CN2630626 Y CN 2630626Y
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- process gas
- bypass
- measuring channel
- pipe
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Abstract
The process gas bypass pretreatment device of the utility model comprises a process gas pipe and a bypass measurement pipe which is arranged on one side of the process gas pipe. A gas outlet is arranged on the pipe wall of the process gas pipe. A gas inlet and a gas outlet tube are arranged on the bypass measurement pipe. A gas channel which is constructed by connecting one or more of a valve and a temperature reducing device, a filtering device and a pressure reducing valve in series is mounted between the gas outlet of the process gas pipe and the gas inlet of the bypass measurement pipe. An electric air pump is arranged in the gas channel or the gas outlet of the bypass measurement pipe. A probe of the gas analyzer is arranged on the bypass measurement pipe. The utility model is provided with advantages of field treatment, fast response, lower cost and little maintenance. The utility model can be extensively applied in the gas detection of high temperature and high dust industry field such as steel and iron, building materials, etc and high pressure, high humidity, high oil content industry field such as petrochemical, natural gas, etc. The utility model solves the application bottleneck of the field gas analytical instrument.
Description
Technical field
The utility model relates to the on-the-spot bypass pre-treater that detects of process gas.
Background technique
At present, the process gas line detecting instrument has two big classes: a class be need the gas sampling pretreatment, be the sample gas ANALYZER of representative with the infrared technique; Another kind of is that the scene installs and measures, is the on-site gas analyzer of representative with the semiconductor laser technique.
The gas sampling ANALYZER need be used the sampling pre-treater, system response time big large time delay, can't satisfy the requirement of modern industry process control fully.Simultaneously, sample gas after the processing requires constant temperature, constant voltage, constant current and drying, no dust, the sampling pretreatment system is inevitable to be made of device such as precision, high performance sampling probe, dedusting, dehumidifying, voltage stabilization and current stabilization and a large amount of moving elements, has increased system complexity, system cost, maintenance workload and repair rate.
On-site gas analyzer need not the pretreatment system of sampling, and has avoided complicated maintenance work, has improved the systematic survey speed of response.Semiconductor Lasers on-site gas analyzer particularly, owing to adopt long-range, the non-contacting gas dark line spectrum principle of measurement of Semiconductor Lasers, reduced environmental requirement, avoided the cross interference of background gas, can compensate the dust influence in the tested process environment automatically tested gas.But even if gas site analysis device Semiconductor Lasers on-site gas analyzer also partly is subjected to the restriction of test environment, for example: when dust content is very high, laser beam can't penetrate tested process environment, thereby can't realize gasmetry; When temperature or overpressure, can't find one to have only the Absorption Line of tested gas and do not have the wavelength location of other background gas Absorption Lines.On-site gas analyzer as for other principle of measurement is subjected to the restriction of measurement environment just bigger.
Summary of the invention
The purpose of this utility model provides a kind of energy fast cooling, step-down, dedusting, makes tested gas reach in-site measurement instrument process conditions, the process gas bypass pre-treater of applied range.
Process gas bypass pre-treater of the present utility model comprises the process gas pipeline, be arranged on the bypass measuring channel of process gas pipeline one side, on the process gas tube wall, be provided with air outlet hole, bypass measuring channel wall is provided with inlet hole and steam outlet pipe, between the inlet hole of the air outlet hole of process gas pipeline and bypass measuring channel, be equipped with by valve and cooling device, filtrating equipment, the gas channels that in reduction valve and the electric air pump any or several serial connection constitute, electric air pump wherein or can be installed in the steam outlet pipe of bypass measuring channel is equipped with the probe of gas analyzer on the bypass measuring channel.
The order that is installed in cooling device, filtrating equipment, electric air pump and the reduction valve of above-mentioned gas channels can be adjusted according to the demand of application.The setting of each device can be decided according to the practical application needs in the gas channels, reached the requirement of in-site measurement instrument as a certain parameter of tested process gas, then Dui Ying this functional part can omit, and when meeting requiring of field assay as tested gas temperature, can omit cooling device.
Usually, flow backwards, the water seal check valve can be installed in the steam outlet pipe of bypass measuring channel for preventing gas.When tested process gas (as poisonous or dusty gas) in the time of must returning industrial pipeline, then on the process gas tube wall downstream direction, inlet hole is set after being positioned at air outlet hole, the steam outlet pipe of this inlet hole with the bypass measuring channel is connected, so that make the gas after the measurement return industrial pipeline.For the tested gas of controlling the bypass measuring channel flows back to process gas pipeline or emptying, can be between the inlet hole of the steam outlet pipe of bypass measuring channel and process gas pipeline the installation outlet three-way valve, one port of outlet three-way valve links to each other with the steam outlet pipe of bypass measuring channel, another port links to each other with the inlet hole of process gas pipeline, and third connectivity mouth links to each other with outlet pipe.
Cooling device, filtrating equipment and the reduction valve of process gas bypass pre-treater of the present utility model by being arranged on bypass pretreatment gas channels realized the pretreatment of fast cooling, step-down and dedusting to the process gas that flows through this passage, makes the gas of bypass measuring channel satisfy the requirement of on-site gas analyzer.The advantage that have in-situ processing, respond fast, cost is low, maintenance is little; Widely applicable to industrial gas environment such as temperature, pressure, impurity contents, can be widely used in detecting, solve the application bottleneck of on-site gas analyzer device as the gas of the industrial field of high pressure such as the industrial field of high temperature such as iron and steel, building materials, high dust and petrochemical industry, rock gas, high humidity, high oil content; Because the bypass measuring channel can charge into calibrating gas separately, then demarcates convenient.
Description of drawings
Fig. 1 is a kind of concrete structure schematic representation of process gas bypass pre-treater of the present utility model.
Specific embodiments
With reference to Fig. 1, process gas bypass pre-treater comprises process gas pipeline 1, be arranged on the bypass measuring channel 8 of process gas pipeline one side, downstream direction is provided with air outlet hole 1-1 and inlet hole 1-2 on the process gas tube wall, air outlet hole 1-1 and corresponding inlet hole 8-1 of inlet hole 1-2 and steam outlet pipe 8-2 with the process gas pipeline are arranged respectively on the bypass measuring channel wall, in the diagram instantiation, from process gas pipeline air outlet hole 1-1 to be equipped with successively between the bypass measuring channel inlet hole 8-1 inlet three-way valve 3, cooling device 4, filtrating equipment 5 and reduction valve 7 constitute gas channels.Another port that is installed in the inlet three-way valve of gas channels links to each other with drain pipe 2, electric air pump 11 and water seal check valve 12 are installed in the steam outlet pipe 8-2 of bypass measuring channel, outlet three-way valve 14 is installed between the inlet hole of the steam outlet pipe of bypass measuring channel and process gas pipeline, two ports of outlet three-way valve link to each other with the steam outlet pipe of bypass measuring channel and the inlet hole of process gas pipeline respectively, and third connectivity mouth links to each other with outlet pipe 13.In this instantiation, for ease of clearing up drain pipe attached to the dust on the filtrating equipment, on filtrating equipment 5, be connected with the back-blowing device 6 that is used for dedusting, like this, when tested process gas (as metallurgical, building materials industry) dust content is big, utilize back-blowing device that filtrating equipment is carried out blowback, dust can be cleared up drain pipe.This example is separately installed with Optical Transmit Unit 9 and the light receiving unit 10 that is used to survey gas on-site at two ports of bypass measuring channel, as adopting generating laser and Receiver.
During this device work, the ducted industrial gas of process gas enter cooling device by the inlet three-way valve that normality is opened under the effect of operation pressure or electric air pump; Cooling back gas enters filtrating equipment, and the dust in the gas, oil content and other impurity are filtered device and stop, adsorbs; Filter back gas and enter the bypass measuring channel after by the reduction valve pressure regulation; Gas component content be installed in bypass measuring channel two ends site analysis device transmitter unit and accept the unit on-line determination; Measure that back gas returns industrial pipeline by electric air pump, water seal check valve, outlet three-way valve or again through the outlet pipe emptying.Inlet three-way valve normality is opened and is meant the valve opening that communicates with industrial pipeline, and the valve closing that communicates with drain pipe.
When the cleaning filtrating equipment, the valve closing that the inlet three-way valve communicates with industrial pipeline, and the valve opening that communicates with drain pipe, back-blowing device starts simultaneously, break away from filter attached to the dust on the filtering net film, impurity, oil content by blowback, get rid of by drain pipe.
Claims (6)
1. process gas bypass pre-treater, it is characterized in that comprising process gas pipeline (1), be arranged on the bypass measuring channel (8) of process gas pipeline (1) one side, on the process gas tube wall, be provided with air outlet hole (1-1), bypass measuring channel wall is provided with inlet hole (8-1) and steam outlet pipe (8-2), between the inlet hole (8-1) of the air outlet hole (1-1) of process gas pipeline and bypass measuring channel, be equipped with by valve (3) and cooling device (4), filtrating equipment (5), the gas channels that in reduction valve (7) and the electric air pump (11) any or several serial connection constitute, electric air pump wherein (11) or can be installed in the steam outlet pipe (8-2) of bypass measuring channel is equipped with the probe of gas analyzer on bypass measuring channel (8).
2. process gas bypass pre-treater according to claim 1, it is characterized in that downstream direction is positioned at air outlet hole (1-1) on process gas pipeline (1) wall is provided with inlet hole (1-2) afterwards, and this inlet hole (1-2) is connected with the steam outlet pipe (8-2) of bypass measuring channel.
3. process gas bypass pre-treater according to claim 2, it is characterized in that between the inlet hole (1-2) of the steam outlet pipe (8-2) of bypass measuring channel and process gas pipeline, being equipped with outlet three-way valve (14), one port of outlet three-way valve (14) links to each other with the steam outlet pipe (8-2) of bypass measuring channel, another port links to each other with the inlet hole (1-2) of process gas pipeline, and third connectivity mouth links to each other with outlet pipe (13).
4. according to claim 1 or 2 or 3 described process gas bypass pre-treaters, it is characterized in that device has water seal check valve (12) in the steam outlet pipe (8-2) of bypass measuring channel.
5. process gas bypass pre-treater according to claim 1, it is characterized in that two ends at filtrating equipment (5) are connected with is used for the back-blowing device of dirt (6) clearly, said valve (3) is the inlet three-way valve, and the third connectivity mouth of inlet three-way valve links to each other with drain pipe (2).
6. process gas bypass pre-treater according to claim 1 is characterized in that said probe is Optical Transmit Unit (9) and the light receiving unit (10) that is installed in (8) two ports of bypass measuring channel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231711 CN2630626Y (en) | 2003-05-27 | 2003-05-27 | Process-gas by-pass pre-processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231711 CN2630626Y (en) | 2003-05-27 | 2003-05-27 | Process-gas by-pass pre-processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2630626Y true CN2630626Y (en) | 2004-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03231711 Expired - Lifetime CN2630626Y (en) | 2003-05-27 | 2003-05-27 | Process-gas by-pass pre-processing apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN2630626Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548017A (en) * | 2015-12-30 | 2016-05-04 | 北方华锦化学工业集团有限公司 | Non-contact type semiconductor laser gas analyzer |
| CN108152219A (en) * | 2017-12-29 | 2018-06-12 | 亚申科技研发中心（上海）有限公司 | The real-time detection method and device of impurity in synthesis gas |
| CN109540792A (en) * | 2018-10-08 | 2019-03-29 | 煤科集团沈阳研究院有限公司 | Methane gas extraction pipeline methane concentration detection device |
-
2003
- 2003-05-27 CN CN 03231711 patent/CN2630626Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548017A (en) * | 2015-12-30 | 2016-05-04 | 北方华锦化学工业集团有限公司 | Non-contact type semiconductor laser gas analyzer |
| CN108152219A (en) * | 2017-12-29 | 2018-06-12 | 亚申科技研发中心（上海）有限公司 | The real-time detection method and device of impurity in synthesis gas |
| CN109540792A (en) * | 2018-10-08 | 2019-03-29 | 煤科集团沈阳研究院有限公司 | Methane gas extraction pipeline methane concentration detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOCUSED PHOTONICS (HANGZHOU), LTD. Free format text: FORMER NAME: JUGUANG SCIENCE AND TECHNOLOGY (HANGZHOU) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee after: Focused Photonics (Hangzhou) Inc. Address before: 310012 building, 199 building, No. 4, Wensanlu Road, Hangzhou, Zhejiang, Xihu District Patentee before: Juguang Sci. & Tech. (Hangzhou) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130527 Granted publication date: 20040804 |