CN201392286Y - Sample gas processing device for pipeline gas detection - Google Patents
Sample gas processing device for pipeline gas detection Download PDFInfo
- Publication number
- CN201392286Y CN201392286Y CN 200920126403 CN200920126403U CN201392286Y CN 201392286 Y CN201392286 Y CN 201392286Y CN 200920126403 CN200920126403 CN 200920126403 CN 200920126403 U CN200920126403 U CN 200920126403U CN 201392286 Y CN201392286 Y CN 201392286Y
- Authority
- CN
- China
- Prior art keywords
- gas
- cylinder
- cavity
- sample gas
- water
- 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
- 238000001514 detection method Methods 0.000 title abstract description 7
- 238000012545 processing Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 210000004907 gland Anatomy 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000007306 turnover Effects 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011796 hollow space material Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 63
- 238000000034 method Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sample gas processing device for pipeline gas detection, which comprises a mounting dead plate, a cylinder, a sample gas inlet, a cooling water inlet, a cooling water outlet, a discharge valve hole, a gland and a gas inlet and outlet device, wherein the cylinder is fixed on the mounting dead plate, the upper end of the cylinder is connected with the gland through screw threads, the gas inlet and outlet device is fixed on the gland, the upper portion of the lateral wall of the cylinder is provided with the sample gas inlet and the cooling water outlet, the middle portion of the lateral wall of the cylinder is provided with the cooling water inlet, the discharge valve hole is arranged on the lower portion of the lateral wall of the cylinder, the hollow portion of the cylinder comprises a cooling water cavity, a gas-water separating cavity and a voltage stabilization/overflow bottle cavity, wherein a filter is arranged in the gas-water separating cavity, the upper end of the filter is fixed on the upper bottom of the cylinder, the upper screw thread portion of the cylinder is provided with a strip-shaped film type filter, and the gland is pressed on the file type filter. The sample gas processing device integrates sample gas cooling, gas-water separation, solid impurity filtration and automatic differential pressure and water discharge, is provided with a two-grade filter mechanism, and has high filtering precision and excellent high-temperature high-humidity sample gas detection and water straining effects.
Description
Technical field:
The utility model relates to a kind of measurement mechanism, and especially a kind of pipeline gas detects sample gas disposal device.
Technical background:
According to investigation, up to the present, each coal mine gob of the whole nation, long-term enclosing tunnel, this gathers invar and transfinites, and disaster accident often has generation.Though safety regulations in coal mine has been done relevant regulations, the way of neither one science practicality goes to solve, and is in the dock.And the detection of pit gas is become necessary, the core of gas detecting system is a gas sensor, usually be installed in the detecting head, detecting head is nursed one's health gaseous sample by gas sensor, generally including filters out impurities handles with interference gas, drying or refrigeration, the sample suction, even sample carried out chemical treatment, so that chemical sensor is measured faster.Tradition is used for the gas disposal of pipeline gas detection type sample and mostly is split type simple combination formula, and structural shape mostly is the cyclonic separation dedusting that dewaters; This diameter of movement is more little, flow velocity is fast more, separating effect is good more, but it is often lower to gas flow rate in the process pipe gas detection side Tube Drain pipe, the too small easy obstruction of pipe diameter, dedusting treatment effect under this condition is relatively poor so cyclonic separation dewaters, and can't realize that also the high-temperature sample gas processing detects, and can not realize automatic drain function; The sample gas disposal device of traditional pipeline gas pick-up unit also exist conform relatively poor, the drainage weak effect, defectives such as element weak point in serviceable life, mostly the sample gas disposal device of pipeline gas pick-up unit be to separate, i.e. sample air cooling but, gas-water separation, solid impurity filters and automatically the differential pressure draining all be independently.
The utility model content:
The purpose of this utility model provides a kind of pipeline gas and detects sample gas disposal device, this device is applicable to gas discharge in mine pipeline, petrochemical complex etc., the air chamber structure pattern that contains environment mal-condition using gases detecting sensors such as solid particle polluter, mist of oil and steam mist in the detected gas, this device for integrate sample air cooling but, gas-water separation, solid impurity filter and differential pressure draining gas detection treating apparatus automatically.This device coil pipe not only has gas cooled cooling and has forced draft and moves along the pipeline rotating centrifugal, and can also realize separating the dedusting that dewaters.
For achieving the above object, the technical solution of the utility model is: design a kind of pipeline gas and detect sample gas disposal device, it comprises mounting plate, cylinder, sample gas air intake opening, the cooling water inlet, coolant outlet, row's sluice gate, gland and turnover device of air, cylinder is fixed on the mounting plate, this cylinder upper end screw thread is connected with gland, the turnover device of air is fixed on the gland, on cylinder side wall, be provided with sample gas air intake opening, the cooling water inlet, coolant outlet and row's sluice gate, its main points are: A, described cylinder hollow space is by the chilled water cavity, gas-water separation cavity and voltage stabilizing/overflow bottle cavity is formed, described gas-water separation cavity is positioned at Cylindorical rod upwards, and be used to logical described cylinder, circumferential and the cylinder formation chilled water cavity in described gas-water separation cavity top, the circumferential and cylinder formation voltage stabilizing/overflow bottle cavity in bottom; Be wound with cooling coil on B, the gas-water separation cavity in described chilled water cavity, cylinder is stretched out from sample gas air intake opening in this cooling coil upper end, and the gas-water separation cavity is inserted in the lower end; C, in described gas-water separation cavity, be provided with cylindrical filter, this filtrator upper end is fixed on the gland lower end, in the gland of described cylinder upper end threaded portion, be provided with the sheet membrane filter, this filtrator is capillary filtration unit or the SiC material filter core that highly dense high fine fibre forms, and gland top is pressed on the membrane filter.
Described gas-water separation cavity top is
Shape, the bottom is funnel-form, this gas-water separation cavity
The shape lateral part be positioned at screw thread place, cylinder upper end and with the cylinder interference fit, described gas-water separation cavity lower hopper oral area and cylinder interference fit, described cylinder is divided into chilled water cavity and voltage stabilizing/overflow bottle cavity, the funnel lower end of described gas-water separation cavity is the constitution water tube sealing, this constitution water tube sealing extends the cylinder bottom and it is terminal for wedge shape or stria breach, is provided with view window on the cylinder side wall at described constitution water tube sealing place.
Above-mentioned gas-water separation cavity is positioned on the cylinder longitudinal center line, described sample gas air intake opening, coolant outlet and cooling water inlet are positioned on the cylinder side wall of described cooling water cavity body portion, and described row's sluice gate is positioned on the cylinder side wall of described voltage stabilizing/overflow bottle cavity part.
Described turnover device of air is
Shape, form by air intake opening, gas outlet and gas deflection cone, described turnover device of air radially projection sets out gas port, be axially arranged with the gas flow guiding awl, this gas flow guiding awl upper end is stretched in the air chamber chuck, described gas flow guiding awl is a cavity circumferentially, and this cavity and air intake opening connect, and described air intake opening is the axial center through hole of turnover device of air.
Be provided with muffler and recirculatory pipe outside described cylinder, recirculatory pipe is positioned at the voltage stabilizing/overflow bottle cavity part on the cylinder side wall, and the gas outlet joins on muffler upper end and the turnover device of air, and the junction is provided with the return-air cutting ferrule, and this muffler lower end is connected on the recirculatory pipe.
Effect of the present utility model is: device integrate sample air cooling but, gas-water separation, solid impurity filter and differential pressure draining automatically; Two-stage filtration mechanism, the filtering accuracy height, it is effective that hot and humid sample gas detects drainage.Having overcome the traditional measurement mode is subjected to water vapor condensation to produce the shortcoming of big measuring error by two-stage filtration mechanism, so filtering accuracy height, it is effective that hot and humid sample gas detects drainage, having overcome the traditional measurement mode is subjected to water vapor condensation to produce the shortcoming of big measuring error, the all steel shell, do not produce static, treating apparatus is a passive device, belongs to essential safety.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
The meaning of each numbering is in the above-mentioned accompanying drawing: 1. gas flow guiding is bored, 2. sample gas air intake opening, 3. coolant outlet, 4. cooling water inlet, 5. gas-water separation cavity, 6. view window, 7. return-air cutting ferrule, 8. muffler, 9. cooling coil, 10. filtrator, 11. recirculatory pipe, 12. row's sluice gates, 13. voltage stabilizings/overflow bottle cavity, 14. chilled water cavity, 15. mounting plate, 16. cylinders, 17. membrane filters, 18. gland, 19. the turnover device of air, 20. air chamber chucks, 21. constitution water tube sealings, 22. air intake opening, 23. gas outlets.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
See also Fig. 1: pipeline gas detects sample gas disposal device, it comprises mounting plate 15, cylinder 16, sample gas air intake opening 2, cooling water inlet 4, coolant outlet 3, row's sluice gate 12, gland 18 and turnover device of air 19, cylinder 16 is fixed on the mounting plate 15, these cylinder 16 upper end screw threads are connected with gland 18, turnover device of air 19 is fixed on the gland 18, on described cylinder 16 sidewalls, be provided with sample gas air intake opening 2, cooling water inlet 4, coolant outlet 3 and row's sluice gate 12, A, described cylinder 16 hollow spaces are by chilled water cavity 14, gas-water separation cavity 5 and voltage stabilizing/overflow bottle cavity 13 is formed, described gas-water separation cavity 5 is positioned on cylinder 16 longitudinal center lines, and be used to logical described cylinder 16, circumferential and the cylinder 16 formation chilled water cavitys 14 in described gas-water separation cavity 5 tops, the circumferential and cylinder 16 formation voltage stabilizing/overflow bottle cavitys 13 in bottom; Be wound with cooling coil 9 on B, the gas-water separation cavity 5 in described chilled water cavity 14, cylinder 16 is stretched out from sample gas air intake opening 2 in these cooling coil 9 upper ends, and gas-water separation cavity 5 is inserted in the lower end; C, in described gas-water separation cavity 5, be provided with cylindrical filter 10, these filtrator 10 upper ends are fixed on gland 18 lower ends, in the gland 18 of described cylinder 16 upper end threaded portions, be provided with sheet membrane filter 17, this filtrator 10 is capillary filtration unit or the SiC material filter core that highly dense high fine fibre forms, and gland 18 tops are pressed on the membrane filter 17.
It can also be seen that in Fig. 1: gas-water separation cavity 5 tops are
Shape, the bottom is funnel-form, this gas-water separation cavity 5
The shape lateral part be positioned at cylinder screw thread place, 16 upper end and with cylinder 16 interference fit, described gas-water separation cavity 5 lower hopper oral areas and cylinder 16 interference fit, described cylinder 16 is divided into chilled water cavity 14 and voltage stabilizing/overflow bottle cavity 13, the funnel lower end of described gas-water separation cavity 5 is a constitution water tube sealing 21, this constitution water tube sealing 21 is terminal for wedge shape or stria breach and extend cylinder 16 bottoms, on cylinder 16 sidewalls at described constitution water tube sealing 21 places, be provided with view window 6, described sample gas air intake opening 2, coolant outlet 3 and cooling water inlet 4 are positioned on cylinder 16 sidewalls of described chilled water cavity 14 parts, and described row's sluice gate 12 is positioned on cylinder 16 sidewalls of described voltage stabilizing/overflow bottle cavity 13 parts.
Among Fig. 1: turnover device of air 19 is
Shape, by air intake opening 22, gas outlet 23 and gas deflection cone 1 are formed, described turnover device of air 19 radially projection sets out gas port 23, be axially arranged with gas flow guiding awl 1, this gas flow guiding is bored 1 upper end and is stretched in the air chamber chuck 20, described gas flow guiding awl 1 is a cavity circumferentially, this cavity and air intake opening 23 connect, described air intake opening 23 is turnover device of air 19 axial center through hole, be provided with muffler 8 and recirculatory pipe 11 outside described cylinder 16, recirculatory pipe 11 is positioned at voltage stabilizing/overflow bottle cavity 13 parts on cylinder 16 sidewalls, and the gas outlet joins on muffler 8 upper ends and the turnover device of air 19, the junction is provided with return-air cutting ferrule 7, and these muffler 8 lower ends are connected on the recirculatory pipe 11.
Implementation procedure of the present utility model is such: take out representative analyzed dielectric sample and do necessary pre-service from object to be measured, sample can keep the basis and the characteristic of original sample after treatment, sample gas at first enters the cooling device cooling from sample gas air intake opening 2, condensate water enters gas-water separation cavity 5, under action of gravity, enter overflow bottle cavity 13 then, after overflow bottle cavity 13 water amass completely, can be discharged in the return line automatically through recirculatory pipe 11; Sample gas process filter 10 behind gas-water separation cavity 5 filters solid dust class impurity and the liquid mist in the sample gas; Before entering the sensor air chamber, carry out heat tracing through the sample gas after cooling, gas-water separation and the filtration, after gas enters air chamber, just can not produce the aqueous vapor condensation like this; Tail gas after the condensation after the condensate water of overflow mechanism and the process sensor is discharged to return line together by recirculatory pipe 11, and then enters process pipe, has reduced exhaust emissions.
Claims (9)
1, a kind of pipeline gas detects sample gas disposal device, comprise mounting plate (15), cylinder (16), sample gas air intake opening (2), cooling water inlet (4), coolant outlet (3), row's sluice gate (12), gland (18) and turnover device of air (19), described cylinder (16) is fixed on the mounting plate (15), this cylinder (16) upper end screw thread is connected with gland (18), turnover device of air (19) is fixed on the gland (18), on described cylinder (16) sidewall, be provided with sample gas air intake opening (2), cooling water inlet (4), coolant outlet (3) and row's sluice gate (12), it is characterized in that: A, described cylinder (16) hollow space is by chilled water cavity (14), gas-water separation cavity (5) and voltage stabilizing/overflow bottle cavity (13) is formed, described gas-water separation cavity (5) be positioned at cylinder (16) axially on, and be used to logical described cylinder (16), circumferential and cylinder (16) the formation chilled water cavity (14) in described gas-water separation cavity (5) top, circumferential and cylinder (16) formation voltage stabilizing/overflow bottle cavity (13) in bottom; Be wound with cooling coil (9) on B, the gas-water separation cavity (5) in described chilled water cavity (14), cylinder (16) is stretched out from sample gas air intake opening (2) in this cooling coil (9) upper end, and gas-water separation cavity (5) is inserted in the lower end; C, in described gas-water separation cavity (5), be provided with cylindrical filter (10), this filtrator (10) upper end is fixed on gland (18) lower end, be provided with sheet membrane filter (17) in the gland (18) of described cylinder (16) upper end threaded portion, gland (18) top is pressed on the membrane filter (17).
2, pipeline gas according to claim 1 detects sample gas disposal device, it is characterized in that: described gas-water separation cavity (5) top is "T"-shaped, the bottom is funnel-form, this "T"-shaped lateral part of gas-water separation cavity (5) be positioned at screw thread place, cylinder (16) upper end and with cylinder (16) interference fit, described gas-water separation cavity (5) lower hopper oral area and cylinder (16) interference fit, described cylinder (16) is divided into chilled water cavity (14) and voltage stabilizing/overflow bottle cavity (13), the funnel lower end of described gas-water separation cavity (5) is constitution water tube sealing (21), and this constitution water tube sealing (21) extends cylinder (16) bottom.
3, pipeline gas according to claim 1 detects sample gas disposal device, it is characterized in that: described gas-water separation cavity (5) is positioned on cylinder (16) longitudinal center line, described sample gas air intake opening (2), coolant outlet (3) and cooling water inlet (4) are positioned on cylinder (16) sidewall of described chilled water cavity (14) part, and described row's sluice gate (12) is positioned on cylinder (16) sidewall of described voltage stabilizing/overflow bottle cavity (13) part.
4, pipeline gas according to claim 1 detects sample gas disposal device, it is characterized in that: described turnover device of air (19) is made up of axial component and the radially projection that is positioned at the axial component middle part, described turnover device of air (19) radially projection sets out gas port (23), be axially arranged with gas flow guiding awl (1), this gas flow guiding awl (1) upper end is stretched in the air chamber chuck (20), described gas flow guiding awl (1) circumferentially is a cavity, this cavity and air intake opening (23) connect, and described air intake opening (23) is the axial center through hole of turnover device of air (19).
5, pipeline gas according to claim 1 detects sample gas disposal device, it is characterized in that: outside described cylinder (16), be provided with muffler (8) and recirculatory pipe (11), recirculatory pipe (11) is positioned at voltage stabilizing/overflow bottle cavity (13) part on cylinder (16) sidewall, muffler (8) upper end is gone up the gas outlet with turnover device of air (19) and is joined, and the lower end is connected on the recirculatory pipe (11).
6, pipeline gas detects sample gas disposal device according to claim 1 or 5, it is characterized in that: described muffler (8) is provided with return-air cutting ferrule (7) with turnover device of air (19) junction.
7, detect sample gas disposal device according to claim 1 or 3 described pipeline gas, it is characterized in that: on cylinder (16) sidewall that described constitution water tube sealing (21) is located, be provided with view window (6).
8, pipeline gas according to claim 1 detects sample gas disposal device, it is characterized in that: capillary filtration unit or SiC material filter core that described filtrator (10) forms for highly dense high fine fibre.
9, pipeline gas according to claim 3 detects sample gas disposal device, it is characterized in that: described constitution water tube sealing (21) is terminal to be wedge shape or stria breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920126403 CN201392286Y (en) | 2009-02-23 | 2009-02-23 | Sample gas processing device for pipeline gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920126403 CN201392286Y (en) | 2009-02-23 | 2009-02-23 | Sample gas processing device for pipeline gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392286Y true CN201392286Y (en) | 2010-01-27 |
Family
ID=41599107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920126403 Expired - Lifetime CN201392286Y (en) | 2009-02-23 | 2009-02-23 | Sample gas processing device for pipeline gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392286Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359903A (en) * | 2011-08-23 | 2012-02-22 | 安徽科技学院 | Device for extracting and filtering coal seam gas |
| CN104870979A (en) * | 2012-12-27 | 2015-08-26 | 罗斯蒙特分析公司 | Gas detection system with moisture removal |
| CN105651562A (en) * | 2015-12-23 | 2016-06-08 | 中煤科工集团重庆研究院有限公司 | Gas sampling device for pipeline |
| CN107421799A (en) * | 2017-09-22 | 2017-12-01 | 江苏三恒科技股份有限公司 | The sample Flash Gas Compression Skid System of pipeline methane transducer |
-
2009
- 2009-02-23 CN CN 200920126403 patent/CN201392286Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359903A (en) * | 2011-08-23 | 2012-02-22 | 安徽科技学院 | Device for extracting and filtering coal seam gas |
| CN102359903B (en) * | 2011-08-23 | 2013-07-31 | 安徽科技学院 | Device for extracting and filtering coal seam gas |
| CN104870979A (en) * | 2012-12-27 | 2015-08-26 | 罗斯蒙特分析公司 | Gas detection system with moisture removal |
| CN105651562A (en) * | 2015-12-23 | 2016-06-08 | 中煤科工集团重庆研究院有限公司 | Gas sampling device for pipeline |
| CN105651562B (en) * | 2015-12-23 | 2018-10-09 | 中煤科工集团重庆研究院有限公司 | Pipeline gas sampling assembly |
| CN107421799A (en) * | 2017-09-22 | 2017-12-01 | 江苏三恒科技股份有限公司 | The sample Flash Gas Compression Skid System of pipeline methane transducer |
| CN107421799B (en) * | 2017-09-22 | 2023-06-27 | 江苏三恒科技股份有限公司 | Sample gas treatment device of pipeline methane sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201392286Y (en) | Sample gas processing device for pipeline gas detection | |
| CN102921570A (en) | Gas-liquid separator with internal condensation | |
| CN205643314U (en) | Gaseous composition sensor probe of integrated form and detection structure | |
| CN201392287Y (en) | Gas detection device response air chamber | |
| CN206515245U (en) | A kind of industrial flammable gas-detecting alarm device | |
| CN105651562B (en) | Pipeline gas sampling assembly | |
| CN101625294B (en) | Motor vehicle exhausting analyzer and working method thereof | |
| CN208512224U (en) | The on-line monitoring system of VOCs exhaust gas lower explosion limit | |
| CN209745930U (en) | Flue gas hygrometer with drainage function | |
| CN102393324B (en) | Sample pretreatment system of magnetic mechanical oxygen analyzer | |
| CN207623087U (en) | A kind of high-temperature sample gas oxygen analysis pretreatment system | |
| CN207248599U (en) | The sample Flash Gas Compression Skid System of pipeline methane transducer | |
| CN212904782U (en) | Fixed pollution sources VOCs on-line monitoring device | |
| CN214201164U (en) | Ultraviolet analyzer for measuring smoke components of thermal power plant | |
| CN211877914U (en) | Gas boiler fume emission monitoring device with stable working condition | |
| CN205808805U (en) | A kind of dust-laden height saturated gas on-line analysis sampling processing means | |
| CN202903550U (en) | Integrated device for collecting liquid drops and dust in flue gas | |
| CN207231865U (en) | A kind of new dilution sampling probe | |
| CN216986962U (en) | Pretreatment device for monitoring acid washing condensation waste gas | |
| CN207675503U (en) | One kind being used for flue gas on-line monitoring equipment sampling probe | |
| CN106018006B (en) | Current limliting reflow type gas sampling clarifier | |
| CN214486224U (en) | Water vapor treatment device of automobile exhaust detector | |
| CN201844967U (en) | Filtering structure of optical measuring probe | |
| CN214668079U (en) | Tourmaline furnace gas analyzer | |
| CN205785976U (en) | Current limliting reflow type gas sampling depurator |
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: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |