CN101940862B - Gas filtering and purifying device - Google Patents
Gas filtering and purifying device Download PDFInfo
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- CN101940862B CN101940862B CN2010102830009A CN201010283000A CN101940862B CN 101940862 B CN101940862 B CN 101940862B CN 2010102830009 A CN2010102830009 A CN 2010102830009A CN 201010283000 A CN201010283000 A CN 201010283000A CN 101940862 B CN101940862 B CN 101940862B
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Abstract
The invention discloses a gas filtering and purifying device, which is characterized by comprising a box body, a dust-laden gas inlet pipe, a dust-laden gas outlet pipe, a gas purifying header pipe and a gas blowing header pipe, wherein at least one division board is arranged in the box body to divide the box body into at least two filtering and purifying areas; areas above granular layers in the filtering and purifying areas are dust-laden gas chambers; areas below grid plates in the filtering and purifying areas are gas purifying chambers; the first dust-laden gas chamber is communicated with the dust-laden gas inlet pipe; the last dust-laden gas chamber is communicated with the dust-laden gas outlet pipe; each gas purifying chamber is communicated with the gas purifying header pipe and the gas blowing header pipe respectively through a gas outlet pipe component which is provided with a changeover switch; and the dust-laden gas outlet pipe is connected with a dust collector. The gas filtering and purifying device has the advantages that: the boxy body does not undergo a high temperature and can be manufactured by using common carbon steel or sheet iron, thereby greatly reducing the manufacturing cost of the device and simultaneously being suitable for removing dust from normal-pressure high-temperature dust-laden gases.
Description
Technical field
The present invention relates to a kind of purifier of dusty gas, relate in particular to a kind of gas filtration purifier.
Background technology
Grain bed gas filtration dust arrester has unique superior property because of adopting resistant to elevated temperatures filtrate (like quartz sand etc.) in the gas cleaning at high temperature field.Present grain bed gas filtration dust arrester mainly contains two kinds of fixed bed granular bed filter dust arrester and moving bed granular bed filter dust arresters; General fixed bed granular bed filter dust arrester is higher than the filter efficiency of moving bed granular bed filter dust arrester; But in time removing the dust that is trapped in stratum granulosum because of needs, fixed bed granular bed filter dust arrester must adopt the pattern of filtering with deashing samsara work; Therefore; Individual particle bed dust removal by filtration unit can not continuous filtration, and must adopt a plurality of Bed Filtration dust removing units parallel operations.
The applying date is to disclose a kind of granular-layer dust precipitator in the Chinese invention patent specification that on January 31st, 2007, the patent No. was ZL200710067109.7; It comprises shell body and is arranged on the filter of one deck at least in the shell body along short transverse; The top of shell body is provided with the ash-laden gas import, and the lower end of shell body is provided with the dust outlet, and filter is provided with independently gas reversing arrangement; Be connected with pure qi (oxygen) house steward and blowback air house steward on the gas reversing arrangement; Characteristics are that filter comprises at least one filter element, and filter element comprises inner housing, and inner housing is provided with blow vent and breather pipe; Be provided with stratum granulosum and air distribution plate in the inner housing, breather pipe laterally passes shell body and is connected with the gas reversing arrangement; Advantage is that a plurality of filter elements are arranged in parallel connection in the shell body, can realize the continuous filtration of gas, and each inner housing is surrounded by thermal current; The inner housing each several part expands with heat and contract with cold evenly; The thermal deformation resistant performance is good, makes this deduster can be used in high temperature and the changeable occasion of temperature, and is applied widely; But also have problems: because the condition of work of inner housing is abominable, it is at high temperature worked and therefore must adopt heat resisting steel, make the cost height of entire equipment, and the entire equipment volume is big, and the steel consumption is bigger, has also further increased the cost of equipment.
Summary of the invention
But technical problem to be solved by this invention provides a kind of simplified structure, reduces cost, cost-effective gas filtration purifier.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of gas filtration purifier; Comprise casing, dust-laden air inlet pipe, dust-laden escape pipe, pure qi (oxygen) house steward and air blowing house steward; Be provided with at least one demarcation strip in the described casing described casing is divided at least two filtration, purification districts; Described filtration, purification is provided with stratum granulosum and air distribution plate in the district; The zone that is positioned at described stratum granulosum top in the described filtration, purification district is the dust-laden air chamber; The zone that is positioned at described air distribution plate below in the described filtration, purification district is an air-purifying chamber, and the lower end of described demarcation strip is fixedly connected with described casing, and the upper end of described demarcation strip is unsettled to be interconnected the dust-laden air chamber in each filtration, purification district; Dust-laden air chamber in first filtration, purification district is communicated with described dust-laden air inlet pipe; Dust-laden air chamber in last filtration, purification district is communicated with described dust-laden escape pipe, and each air-purifying chamber is communicated with described pure qi (oxygen) house steward and described air blowing house steward respectively through the escape pipe assembly, and described escape pipe assembly is provided with change-over switch; Be connected with hair-dryer or high-pressure air source on the described air blowing house steward, be connected with deduster on the described dust-laden escape pipe.
Described deduster is connected with air-extractor through pipeline, and described air-extractor is communicated with described dust-laden air inlet pipe through pipeline.
Be serially connected with heat exchanger or other cooling system between described dust-laden escape pipe and the described deduster; Described deduster is a high-efficiency dust remover; Described high-efficiency dust remover is connected with air-extractor through pipeline, and described air-extractor is communicated with described pure qi (oxygen) house steward through pipeline.
Described dust-laden air inlet pipe is provided with the adsorbent inlet.
Described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; One end of described pure qi (oxygen) arm is communicated with described escape pipe; The other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward; One end of described air blowing arm is communicated with described escape pipe, and the other end of described air blowing arm is communicated with described air blowing house steward, and described change-over switch is a valve; Described valve is serially connected in respectively on described pure qi (oxygen) arm and the described air blowing arm, is connected with hair-dryer on the described air blowing house steward.
Described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; One end of described pure qi (oxygen) arm is communicated with described escape pipe; The other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward; One end of described air blowing arm is communicated with described escape pipe, and the other end of described air blowing arm is communicated with described air blowing house steward, and described change-over switch is a reversal valve; Described reversal valve is serially connected in the intersection that is connected of described escape pipe, pure qi (oxygen) arm and air blowing arm three pipes, is connected with hair-dryer on the described air blowing house steward.
Described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; One end of described pure qi (oxygen) arm is communicated with described escape pipe; The other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward, is serially connected with gas ejector on the described pure qi (oxygen) arm, and an end of described air blowing arm is connected with described gas ejector; The other end of described air blowing arm is communicated with described air blowing house steward; Described change-over switch is a valve, and described valve is serially connected on the described air blowing arm, is connected with high-pressure air source on the described air blowing house steward.
The inwall of described casing is provided with thermal insulation layer.
Compared with prior art, advantage of the present invention is that casing contacts with surrounding air, and the inwall of casing is provided with thermal insulation layer; Make casing not receive high temperature; Can adopt ordinary carbon steel or iron sheet manufacturing, greatly reduce the cost of equipment, be applicable to dedusting simultaneously again the constant-pressure and high-temperature dusty gas; And be connected with deduster on the dust-laden escape pipe, and be connected with air-extractor on the deduster, can the dust and the blowback air that clear during the blowback fluidisation in each filtration, purification district in time be extracted out, separate and discharge dust wherein by deduster, reverse gas cleaning is effective; And air-extractor is communicated with the dust-laden air inlet pipe through pipeline, can blowback air be sent back to and carry out filtration, purification in the filtration, purification district, makes it not pollute the air of external environment; In addition, entire equipment is simple in structure and compact, has also reduced cost to a certain extent, provides cost savings.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the structural representation of the embodiment of the invention two;
Fig. 3 is the structural representation of the embodiment of the invention three.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one: as shown in the figure, a kind of gas filtration purifier comprises casing 1, dust-laden air inlet pipe 21, dust-laden escape pipe 22, pure qi (oxygen) house steward 3 and air blowing house steward 4; The inwall of casing 1 is provided with the thermal insulation layer (not shown) made from refractory material; Be provided with seven demarcation strips 10 in the casing 1 casing 1 is divided into eight filtration, purification districts, be provided with stratum granulosum 11 and air distribution plate 12 in the filtration, purification district, the zone that is positioned at stratum granulosum 11 tops in the filtration, purification district is a dust-laden air chamber 13; The zone that is positioned at air distribution plate 12 belows in the filtration, purification district is an air-purifying chamber 14; The lower end of demarcation strip 10 is fixedly connected with casing 1, and the upper end of demarcation strip 10 is unsettled to be interconnected the dust-laden air chamber 13 in each filtration, purification district, and the dust-laden air chamber 13 in first filtration, purification district is communicated with dust-laden air inlet pipe 21; Dust-laden air chamber 13 in last filtration, purification district is communicated with dust-laden escape pipe 22; Each air-purifying chamber 14 is connected with pure qi (oxygen) arm 17 and air blowing arm 18 respectively through escape pipe 16, and pure qi (oxygen) arm 17 is communicated with pure qi (oxygen) house steward 3, and air blowing arm 18 is communicated with air blowing house steward 4; Be serially connected with valve 19 respectively on pure qi (oxygen) arm 17 and the air blowing arm 18; Be connected with the hair-dryer (not shown) on the air blowing house steward 4, be connected with deduster 5 on the dust-laden escape pipe 22, deduster 5 is connected with air-extractor 6 through pipeline; Air-extractor 6 is communicated with dust-laden air inlet pipe 21 through pipeline, and dust-laden air inlet pipe 2 is provided with adsorbent inlet 7.
Embodiment two: as shown in the figure; Other structure is with embodiment one; Difference is that air-purifying chamber 14 is connected with pure qi (oxygen) arm 17 and air blowing arm 18 respectively through escape pipe 16; Pure qi (oxygen) arm 17 is communicated with pure qi (oxygen) house steward 3, and air blowing arm 18 is communicated with air blowing house steward 4, and three pipes of escape pipe 16, pure qi (oxygen) arm 17 and air blowing arm 18 are connected intersection and are serially connected with reversal valve 15.
Embodiment three: as shown in the figure, other structure is with embodiment one, and difference is that an end of pure qi (oxygen) arm 17 is communicated with escape pipe 16; The other end of pure qi (oxygen) arm 17 is communicated with pure qi (oxygen) house steward 3; Be serially connected with gas ejector 8 on the pure qi (oxygen) arm 17, an end of air blowing arm 18 is connected with gas ejector 8, and the other end of air blowing arm 18 is communicated with air blowing house steward 4; Be serially connected with valve 19 on the air blowing arm 18, be connected with high-pressure air source on the air blowing house steward 4.
The course of work of this device is: ash-laden gas to be clean is passed into the dust-laden air chamber 13 from dust-laden air inlet pipe 21; Be purified gas after stratum granulosum 11 in filtering purifying area filters, Purge gas gathers to pure qi (oxygen) house steward 3 through escape pipe 16 and pure qi (oxygen) arm 17 from air-purifying chamber 14; After stratum granulosum 11 pressure drops in filtering purifying area reach certain value; Switching through reversal valve 15 or valve 19 is blown into blowback air in air blowing house steward 4, in air blowing arm 18 is passed into each filtration, purification district to stratum granulosum 11 blowback fluidisations one by one deashing; The dust that goes out clearly is passed in the dust-laden escape pipe 22 from the top of dust-laden air chamber 13; In air-extractor 6 effect down, dust separates discharges through deduster 5, and blowback air is delivered to dust-laden air inlet pipe 21 and is passed into again in the filtration, purification district and purifies; And when containing harmful substance such as sulphur, chlorine etc. in the dusty gas; Can inject adsorbents (like powder adsorbents such as calcium base or sodium base or iron-baseds) at adsorbent inlet 7, adsorbent takes in the stratum granulosum 11 in each filtration, purification district with air-flow, be trapped in the stratum granulosum 11 with gas in the harmful substance reaction; Harmful substance in the adsorbed gas; During deashing, separate and discharge through deduster 5 from the old adsorbent part that each stratum granulosum 11 goes out clearly, another part is circulated to adsorbent inlet 7 recycle again; With the utilization rate of raising adsorbent and the clearance of harmful substance, realize that efficiently removing of dedusting and harmful substance (like sulphur, chlorine etc.) is integrated.
In the foregoing description; Can be connected in series heat exchanger or other cooling system between dust-laden escape pipe 22 and the deduster 5; Deduster 5 uses high-efficiency dust removers at this moment; High-efficiency dust remover is communicated with air-extractor 6 through pipeline, and air-extractor 6 is communicated with pure qi (oxygen) house steward 3 through pipeline, makes through the cleaning blowback air after this high-efficiency dust remover purification and directly delivers to pure qi (oxygen) house steward 3; Air-extractor 6 is for this area existing equipment commonly used, and like blower fan, high-temperature blower, gas ejector etc., refractory material also adopts this area refractory material commonly used.
Claims (8)
1. gas filtration purifier; It is characterized in that comprising casing, dust-laden air inlet pipe, dust-laden escape pipe, pure qi (oxygen) house steward and air blowing house steward; Be provided with at least one demarcation strip in the described casing described casing is divided at least two horizontal filtration, purification districts; Described filtration, purification is provided with stratum granulosum and air distribution plate in the district; Described stratum granulosum is arranged on the described air distribution plate, and the zone that is positioned at described stratum granulosum top in the described filtration, purification district is the dust-laden air chamber, and the zone that is positioned at described air distribution plate below in the described filtration, purification district is an air-purifying chamber; The lower end of described demarcation strip is fixedly connected with described casing; The upper end of described demarcation strip is unsettled to be interconnected the dust-laden air chamber in each filtration, purification district, and the dust-laden air chamber in first filtration, purification district is communicated with described dust-laden air inlet pipe, and the dust-laden air chamber in last filtration, purification district is communicated with described dust-laden escape pipe; Each air-purifying chamber is communicated with described pure qi (oxygen) house steward and described air blowing house steward respectively through the escape pipe assembly; Described escape pipe assembly is provided with change-over switch, is connected with hair-dryer or high-pressure air source on the described air blowing house steward, is connected with deduster on the described dust-laden escape pipe.
2. a kind of gas filtration purifier as claimed in claim 1 is characterized in that described deduster is connected with air-extractor through pipeline, and described air-extractor is communicated with described dust-laden air inlet pipe through pipeline.
3. a kind of gas filtration purifier as claimed in claim 1; It is characterized in that being serially connected with heat exchanger between described dust-laden escape pipe and the described deduster; Described deduster is a high-efficiency dust remover; Described high-efficiency dust remover is connected with air-extractor through pipeline, and described air-extractor is communicated with described pure qi (oxygen) house steward through pipeline.
4. a kind of gas filtration purifier as claimed in claim 1 is characterized in that described dust-laden air inlet pipe is provided with the adsorbent inlet.
5. a kind of gas filtration purifier as claimed in claim 1; It is characterized in that described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; Described air-purifying chamber is connected with described air blowing arm with described pure qi (oxygen) arm respectively through described escape pipe; One end of described pure qi (oxygen) arm is communicated with described escape pipe, and the other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward, and an end of described air blowing arm is communicated with described escape pipe; The other end of described air blowing arm is communicated with described air blowing house steward; Described change-over switch is a valve, and described valve is serially connected in respectively on described pure qi (oxygen) arm and the described air blowing arm, is connected with hair-dryer on the described air blowing house steward.
6. a kind of gas filtration purifier as claimed in claim 1; It is characterized in that described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; Described air-purifying chamber is connected with described air blowing arm with described pure qi (oxygen) arm respectively through described escape pipe; One end of described pure qi (oxygen) arm is communicated with described escape pipe, and the other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward, and an end of described air blowing arm is communicated with described escape pipe; The other end of described air blowing arm is communicated with described air blowing house steward; Described change-over switch is a reversal valve, and described reversal valve is serially connected in the intersection that is connected of described escape pipe, pure qi (oxygen) arm and air blowing arm three pipes, is connected with hair-dryer on the described air blowing house steward.
7. a kind of gas filtration purifier as claimed in claim 1; It is characterized in that described escape pipe assembly comprises escape pipe, pure qi (oxygen) arm and air blowing arm; Described air-purifying chamber is connected with described air blowing arm with described pure qi (oxygen) arm respectively through described escape pipe, and an end of described pure qi (oxygen) arm is communicated with described escape pipe, and the other end of described pure qi (oxygen) arm is communicated with described pure qi (oxygen) house steward; Be serially connected with gas ejector on the described pure qi (oxygen) arm; One end of described air blowing arm is connected with described gas ejector, and the other end of described air blowing arm is communicated with described air blowing house steward, and described change-over switch is a valve; Described valve is serially connected on the described air blowing arm, is connected with high-pressure air source on the described air blowing house steward.
8. a kind of gas filtration purifier as claimed in claim 1 is characterized in that the inwall of described casing is provided with thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102830009A CN101940862B (en) | 2010-09-14 | 2010-09-14 | Gas filtering and purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102830009A CN101940862B (en) | 2010-09-14 | 2010-09-14 | Gas filtering and purifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101940862A CN101940862A (en) | 2011-01-12 |
| CN101940862B true CN101940862B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102830009A Expired - Fee Related CN101940862B (en) | 2010-09-14 | 2010-09-14 | Gas filtering and purifying device |
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| CN (1) | CN101940862B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321090A (en) * | 2017-08-21 | 2017-11-07 | 江阴远帆环保科技有限公司 | Hot precipitator |
| CN107617295B (en) * | 2017-08-29 | 2023-10-03 | 宁波大学 | Particle bed electrostatic intensified filtering dust removing device |
| SE541920C2 (en) * | 2017-10-01 | 2020-01-07 | Absolent Ab | Filter system with a layer comprising active carbon containing permeable bags |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180394A1 (en) * | 2000-08-17 | 2002-02-20 | Institut Francais Du Petrole | Apparatus for injecting a fluid between two successive beds for effecting and distributing simultaneously a multi-phase mixture |
| CN1470310A (en) * | 2003-06-18 | 2004-01-28 | 宁波大学 | Granular bed filter dust-collector and method thereof |
| CN1810347A (en) * | 2006-01-05 | 2006-08-02 | 宁波大学 | Granular gas purifier |
| CN101036846A (en) * | 2007-01-31 | 2007-09-19 | 宁波大学 | Granular-layer dust precipitator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3664773B2 (en) * | 1995-07-20 | 2005-06-29 | 三菱重工業株式会社 | Dust removal system |
| US20070095036A1 (en) * | 2005-11-01 | 2007-05-03 | Peter Dahlberg | Apparatus and method for filtering particulate from high temperature gas streams using a composite filter. |
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2010
- 2010-09-14 CN CN2010102830009A patent/CN101940862B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180394A1 (en) * | 2000-08-17 | 2002-02-20 | Institut Francais Du Petrole | Apparatus for injecting a fluid between two successive beds for effecting and distributing simultaneously a multi-phase mixture |
| CN1470310A (en) * | 2003-06-18 | 2004-01-28 | 宁波大学 | Granular bed filter dust-collector and method thereof |
| CN1810347A (en) * | 2006-01-05 | 2006-08-02 | 宁波大学 | Granular gas purifier |
| CN101036846A (en) * | 2007-01-31 | 2007-09-19 | 宁波大学 | Granular-layer dust precipitator |
Non-Patent Citations (1)
| Title |
|---|
| JP特開平9-29034A 1997.02.04 |
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| CN101940862A (en) | 2011-01-12 |
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