CN101468272B - Gas sampling and filtering equipment of fume emission continuous detection system - Google Patents
Gas sampling and filtering equipment of fume emission continuous detection system Download PDFInfo
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- CN101468272B CN101468272B CN2007103014754A CN200710301475A CN101468272B CN 101468272 B CN101468272 B CN 101468272B CN 2007103014754 A CN2007103014754 A CN 2007103014754A CN 200710301475 A CN200710301475 A CN 200710301475A CN 101468272 B CN101468272 B CN 101468272B
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Abstract
The invention relates to a gas sampling filter for a continuous detection system of flue gas emission, which comprises: a filter pressure nut, a filter base, a filter connecting rod and a filtering cylinder, wherein the side edge of the filter connecting rod is provided with a first air intake passage; the filter connecting rod is provided with a second air intake passage along the axial direction, and a third air intake passage arranged at one end of the second air intake passage in a shaft passes through the filter connecting rod in the radial direction; and the filtering cylinder, is sleeved outside the filter connecting rod to form an air accommodating space, wherein the filter pressure nut and the filter base are arranged at two ends of the filter connecting rod and the filtering cylinder respectively and are connected with each other airtightly; and the first air intake passage is communicated with the air accommodating space between the filtering cylinder and the filter connecting rod through the second air intake passage and the third air intake passage.
Description
Technical field
What the present invention relates to is a kind of gas sampling assembly, particularly be a kind of gas sampling and filtering equipment that is applied to fume emission continuous detection system.
Background technology
Industrial high speed development has caused severe contamination to environment, and air quality obviously worsens.Gross contamination thing in many urban atmospheres is high, has restricted sustainable development of economy to a certain extent.In administering and controling environment pollution, realization is crucial to the monitoring and the measurement of flue dust, smoke emissioning concentration and the total emission volumn of atmosphere pollution source emission.
Usually flue dust, fume emission monitoring system are by flue dust (solid contaminant) monitoring subsystem; The gaseous contaminant monitoring subsystem; Gas Parameters monitoring subsystem and compositions such as data acquisition process and communication subsystem; But being still for flue dust, its first step carries out sampling analysis; Wherein, Extraction method occupies sizable a part of proportion on the application range for other pollution sources flue gas sampling method (the dilution degassing method and the direct method of measurement).But complete extraction method also is the suitable strictness of requirement to the sample collection and the processing procedure of whole gas, and a whole set of the treatment measures of also need being correlated with so simultaneously cooperate whole sampling to extract effectively carrying out of gaseous contaminant process.The primary filter that extracts gaseous contaminant is exactly a wherein very important part.As everyone knows, the composition of the pollution sources in the discharging flue is quite complicated, comprising flue dust, and flue gas, aqueous vapor or the like.Also because these complicated pollution sources compositions have brought many problems for the primary filter of gaseous contaminant filter plant.For example, when guaranteeing to extract corresponding gaseous contaminant, ensure air-tightness and whole gas piping unimpeded of flow, the equipment of whole gas circuit, these all are that later stage gas pollutant analysis provides prerequisite condition.And with regard to the filter operating position of present various kinds; Because environment for use is quite abominable; Usually can occur because the density issue of pollutant causes in the middle of the process that extracts, the less soot dust granule thing of a part of particle diameter is mingled in the middle of the gaseous contaminant of extraction; The gas piping of flowing through, accumulating over a long period causes the obstruction of whole gas circuit.And the big slightly part of other particle diameter is adsorbed on the surface of filter, and the flow of extracting gases is affected.Adding in the middle of the gaseous contaminant of upper flue major part is to have corrosively, and also there is the possibility that is corroded in the filter that life cycle is long slightly.Certainly these similar problem are not on one's body the filter of all concentrating that is reflected to a certain kind; But with regard to kind, expose the above similar problem of mentioning such as the difference that all occurred as stainless steel filter, metal sintering filter, ceramic filter or the like owing to work principle of filter and filtering smoke particle diameter.Be provided with many obstacles and difficulty and these problems are the system maintenance in later stage, problem serious situation even direct threats are to the normal operation of whole C EMS equipment.
In view of above-mentioned defective, applicant of the present invention is through research and practice have obtained this creation finally for a long time.
Summary of the invention
The objective of the invention is to, a kind of gas sampling and filtering equipment of fume emission continuous detection system is provided, in order to overcome above-mentioned defective.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is that a kind of gas sampling and filtering equipment of fume emission continuous detection system is provided, and it comprises:
One filter is pressed female;
One filter seat, its lateral margin are provided with one first inlet channel;
One filter connecting rod is axially arranged with one second inlet channel along it, and an end that is positioned at axle at described second inlet channel is provided with the 3rd inlet channel, and described the 3rd inlet channel radially runs through said filter connecting rod;
One cartridge filter, it is enclosed within outside the described filter connecting rod, forms a permitted gas space;
Wherein, described filter is pressed female and described filter seat is arranged at described filter connecting rod and cartridge filter two ends respectively, and air-tightness couples together;
Described first inlet channel communicates with permitted gas space between described cartridge filter and the described filter connecting rod through described second inlet channel, the 3rd inlet channel;
Preferable, comprise that also a pair of graphite grazing pad is arranged at described cartridge filter respectively and described filter is pressed between the mother, and between described cartridge filter and the described filter seat;
Preferable, described filter connecting rod has the external screw thread that has of second inlet channel, one end, and it offers internal thread, both bolts with the corresponding link position of described filter seat place; The other end of described filter connecting rod offers internal thread, presses mother and described filter connecting rod to link together described filter through a bolt;
Preferable, described filter is the unglazed pottery goods;
Preferable, surface adhesion one deck macromolecular filter membrane of described filter, its filter membrane density degree >=0.45 μ m;
Preferable, be wound with the glass fibre silk ribbon on the surface of described macromolecular filter membrane;
Preferable, between described glass fibre silk ribbon and the macromolecular filter membrane, and bond together between described macromolecular filter membrane and the filter surfaces.
Be with prior art beneficial effect more of the present invention, overcome stop up the gas circuit pipe, dependent failure phenomenons such as the gas circuit flow is on the low side gradually, corrosion filter, greatly reduce the manual maintenance of equipment, guaranteed the stable operation of system.Reliability is high, for the normal operation of fume emission continuous detection system provides prerequisite guarantee.
Description of drawings
Fig. 1 is the assembly drawing of the gas sampling and filtering equipment of fume emission continuous detection system of the present invention;
Fig. 2 A is the axial section of the gas sampling and filtering equipment middle filtrator seat of fume emission continuous detection system of the present invention;
Fig. 2 B is the gas sampling and filtering equipment middle filtrator seat radial section figure of fume emission continuous detection system of the present invention;
Fig. 3 is the gas sampling and filtering equipment middle filtrator connecting rod axial section of fume emission continuous detection system of the present invention;
Fig. 4 presses female axial section for the gas sampling and filtering equipment middle filtrator of fume emission continuous detection system of the present invention;
Fig. 5 is cartridge filter axial section in the gas sampling and filtering equipment of fume emission continuous detection system of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, do more detailed explanation with other technical characterictic and advantage to the present invention is above-mentioned.
See also shown in Figure 1ly, it is the assembly drawing of the gas sampling and filtering equipment of fume emission continuous detection system of the present invention, and it comprises: a filter presses female 6; One filter seat 1, its lateral margin are provided with one first inlet channel; One filter connecting rod 4 is axially arranged with one second inlet channel along it, and an end that is positioned at axle at described second inlet channel is provided with the 3rd inlet channel, and described the 3rd inlet channel radially runs through said filter connecting rod 4; One cartridge filter 3, it is enclosed within outside the described filter connecting rod 4, forms a permitted gas space;
Wherein, described filter presses mother 6 and described filter seat 1 to be arranged at described filter connecting rod 4 and cartridge filter 3 two ends respectively, and air-tightness couples together; Described first inlet channel communicates with permitted gas space between described cartridge filter 3 and the described filter connecting rod 4 through described second inlet channel, the 3rd inlet channel;
Comprise that also a pair of graphite grazing pad 5 is arranged at described cartridge filter 3 respectively and described filter is pressed between female 6, and between described cartridge filter 3 and the described filter seat 1.
See also shown in Fig. 2 A, Fig. 2 B, it is the profile of the gas sampling and filtering equipment middle filtrator seat of fume emission continuous detection system of the present invention; The lateral margin of described filter seat 1 is provided with one first inlet channel 11, entreats the position to be provided with internal thread hole 12 therein, and described first inlet channel 11 connects with described internal thread hole 12.
See also shown in Figure 3ly, it is for the gas sampling and filtering equipment middle filtrator connecting rod axial section of fume emission continuous detection system of the present invention; It is axially arranged with one second inlet channel 41 along it, and an end that is positioned at axle at described second inlet channel 41 is provided with the 3rd inlet channel 42, and described the 3rd inlet channel 42 radially runs through said filter connecting rod 4; Described filter connecting rod 4 has the external screw thread that has of second inlet channel, 41 1 ends, and it offers internal thread, both bolts with described filter seat 1 corresponding link position place; The other end of described filter connecting rod 4 offers internal thread 43, need take encapsulation process.
See also shown in Figure 4ly, it presses female axial section for the gas sampling and filtering equipment middle filtrator of fume emission continuous detection system of the present invention; It has a body, and said body has inside groove 61, has through hole in the central authorities of described inside groove 61, and described through hole is passed through by a bolt 62, and described filter connecting rod 4 links together, and need take encapsulation process.
See also shown in Figure 5ly, it is cartridge filter axial section in the gas sampling and filtering equipment of fume emission continuous detection system of the present invention; Described cartridge filter 3 intermediate spaces are greater than the volume of described filter connecting rod 4, and to form described permitted gas space, it is the unglazed pottery goods, at its surface adhesion one deck macromolecular filter membrane, and its macromolecular filter membrane density >=0.45 μ m; With regard to work principle of filter, when the soot dust granule thing greater than 0.45 μ m, be to pass through this macromolecular filter membrane.Twine some glass fibre silk ribbons on the surface of described macromolecular filter membrane then; For the big slightly particle of density; Also stopped surface at described glass fibre silk ribbon; For macromolecular filter membrane has cushioned a part because a part of resistance that particle density is adsorbed on filter surfaces greatly to be brought guarantees the gas flow that extracts.In addition, in the air-tightness of considering filter plant simultaneously, also introduced to contact-making surface between metal structure, filter membrane, filter, the glass fibre pass through bonding, the air-tightness of assurance filter plant.At last; For the soot dust granule that is adsorbed on filter surfaces for a long time owing to active force; CEMS combined filtering device project organization; Take to utilize strong gas pressure to purge filter surfaces, the surface that the pollutant that a part is adsorbed is cleared away filter, the load that causes owing to resistance is excessive that alleviates CEMS equipment.
The above is merely preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and in spirit that claim of the present invention limited and scope, can carry out many changes to it, revise, in addition equivalent, but all will fall in protection scope of the present invention.
Claims (5)
1. the gas sampling and filtering equipment of a fume emission continuous detection system is characterized in that, it comprises:
One filter is pressed female;
One filter seat, its lateral margin are provided with one first inlet channel;
One filter connecting rod is axially arranged with one second inlet channel along it, and an end that is positioned at axle at described second inlet channel is provided with the 3rd inlet channel, and described the 3rd inlet channel radially runs through said filter connecting rod;
One cartridge filter, it is enclosed within outside the described filter connecting rod, forms a permitted gas space;
Wherein, described filter is pressed female and described filter seat is arranged at described filter connecting rod and cartridge filter two ends respectively, and air-tightness couples together;
Described first inlet channel communicates with permitted gas space between described cartridge filter and the described filter connecting rod through described second inlet channel, the 3rd inlet channel;
This gas sampling and filtering equipment comprises that also a pair of graphite grazing pad is arranged at described cartridge filter respectively and described filter is pressed between the mother, and between described cartridge filter and the described filter seat;
Described filter connecting rod has external screw thread having second inlet channel, one end, and it offers internal thread, both bolts with the corresponding link position of described filter seat place; The other end of described filter connecting rod offers internal thread, presses mother and described filter connecting rod to link together described filter through a bolt.
2. the gas sampling and filtering equipment of fume emission continuous detection system according to claim 1 is characterized in that, described cartridge filter is the unglazed pottery goods.
3. the gas sampling and filtering equipment of fume emission continuous detection system according to claim 2 is characterized in that, surface adhesion one deck macromolecular filter membrane of described cartridge filter, when the soot dust granule thing greater than 0.45 μ m, be to pass through this macromolecular filter membrane.
4. the gas sampling and filtering equipment of fume emission continuous detection system according to claim 3 is characterized in that, is wound with the glass fibre silk ribbon on the surface of described macromolecular filter membrane.
5. the gas sampling and filtering equipment of fume emission continuous detection system according to claim 4 is characterized in that, between described glass fibre silk ribbon and the macromolecular filter membrane, and bonds together between described macromolecular filter membrane and the filter surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103014754A CN101468272B (en) | 2007-12-27 | 2007-12-27 | Gas sampling and filtering equipment of fume emission continuous detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103014754A CN101468272B (en) | 2007-12-27 | 2007-12-27 | Gas sampling and filtering equipment of fume emission continuous detection system |
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| Publication Number | Publication Date |
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| CN101468272A CN101468272A (en) | 2009-07-01 |
| CN101468272B true CN101468272B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007103014754A Active CN101468272B (en) | 2007-12-27 | 2007-12-27 | Gas sampling and filtering equipment of fume emission continuous detection system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435576A (en) * | 2011-09-14 | 2012-05-02 | 武汉市天虹仪表有限责任公司 | Oil smoke on-line monitor used in catering industry |
| CN102435577A (en) * | 2011-09-14 | 2012-05-02 | 武汉市天虹仪表有限责任公司 | Direct-injection type fume online monitor for catering industry |
| CN111359290A (en) * | 2020-03-30 | 2020-07-03 | 成都谦睿哲环保科技有限公司 | Filter cartridge device with multilayer filter screen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485644Y (en) * | 2001-06-15 | 2002-04-10 | 武汉天虹智能仪表厂 | Passive atmosphere sampler for organic pollutants |
| CN1979115A (en) * | 2005-11-29 | 2007-06-13 | 山东川仪经营成套有限公司 | Smoke sampling and back-blowing device |
| CN200986458Y (en) * | 2006-12-15 | 2007-12-05 | 公安部四川消防研究所 | Gas on-line analyzer sampling head filter |
| CN201133881Y (en) * | 2007-12-27 | 2008-10-15 | 武汉市天虹仪表有限责任公司 | Fume emission continuous checking system gas sampling filtering apparatus |
-
2007
- 2007-12-27 CN CN2007103014754A patent/CN101468272B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485644Y (en) * | 2001-06-15 | 2002-04-10 | 武汉天虹智能仪表厂 | Passive atmosphere sampler for organic pollutants |
| CN1979115A (en) * | 2005-11-29 | 2007-06-13 | 山东川仪经营成套有限公司 | Smoke sampling and back-blowing device |
| CN200986458Y (en) * | 2006-12-15 | 2007-12-05 | 公安部四川消防研究所 | Gas on-line analyzer sampling head filter |
| CN201133881Y (en) * | 2007-12-27 | 2008-10-15 | 武汉市天虹仪表有限责任公司 | Fume emission continuous checking system gas sampling filtering apparatus |
Non-Patent Citations (1)
| Title |
|---|
| JP昭58-131117A 1983.08.04 |
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| CN101468272A (en) | 2009-07-01 |
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Application publication date: 20090701 Assignee: Shanxi Yuhong technology and Trade Co., Ltd. Assignor: Wuhan Tianhong Instruments Co., Ltd. Contract record no.: 2014990000477 Denomination of invention: Gas sampling and filtering equipment of fume emission continuous detection system Granted publication date: 20120530 License type: Exclusive License Record date: 20140701 |
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Assignee: Shanxi Yuhong technology and Trade Co., Ltd. Assignor: Wuhan Tianhong Instruments Co., Ltd. Contract record no.: 2014990000477 Date of cancellation: 20170612 |
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Effective date of registration: 20170622 Address after: 430223 Hubei city of Wuhan province East Lake high tech Development Zone, China Shiyuan Road No. 11 Patentee after: Wuhan Tianhong environmental protection industry Limited by Share Ltd Address before: 430073, No. 939 Xiong Chu street, Hongshan District, Hubei, Wuhan Patentee before: Wuhan Tianhong Instruments Co., Ltd. |
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