CN201279423Y - High-temperature high-pressure fly-ash filter - Google Patents
High-temperature high-pressure fly-ash filter Download PDFInfo
- Publication number
- CN201279423Y CN201279423Y CNU2008201913892U CN200820191389U CN201279423Y CN 201279423 Y CN201279423 Y CN 201279423Y CN U2008201913892 U CNU2008201913892 U CN U2008201913892U CN 200820191389 U CN200820191389 U CN 200820191389U CN 201279423 Y CN201279423 Y CN 201279423Y
- Authority
- CN
- China
- Prior art keywords
- gas
- filtering
- filter
- branch pipe
- inlet branch
- 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 - Fee Related
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a high-temperature and high-pressure fly ash filter, in particular to a fly ash filtering device for removing dust by a dry method in powder coal gasification, which comprises a filtering rod assembly fixed by a fixing plate of the filtering rod assembly. A gas inlet branch pipe is connected with a fixing bracket of the gas inlet branch pipe. A baffle plate is arranged at a gas outlet of the gas inlet branch pipe. By utilizing the structure of arranging the baffle plate at the gas outlet of the gas inlet branch pipe, the resultant gas can not directly damage and abrade the filtering rods, and can form uniform gas flow passing through the filtering rods, so the utility model separate the coarse resultant gas, effectively avoids damaging the filtering rods by the resultant gas directly impacting the filtering rods, and prolongs the service lives of the filtering rods.
Description
Technical field
The utility model relates to the used HTHP flying dust filter of dry method dust in a kind of coal gasification.
Background technology
The HTHP fly-ash filter that is used for dry method dust in the fine coal gasification process, its medium is 330 ℃ for the temperature from syngas cooler, pressure is the crude synthesis gas of 3.46MPa, and after the dedusting of the rod of the ceramic filter in the fly-ash filter, the synthesis gas dustiness is less than 1mg/Nm
3Because of this equipment air inlet position localized design is unreasonable, after the synthesis gas that causes containing in a large number dust (being mainly CaO) entered filter, directly the position wearing and tearing were washed away to ceramic filter rod root, and certain percussion is arranged.The ceramic filter rod all occurs damaging phenomenon through after the use of some cycles, is embodied in:
1, the ceramic rod locking device extends the erosive wear that occurs in the 300mm scope in various degree, pipe thickness attenuate downwards;
2, because of reasons such as operating pressure fluctuations, the ceramic filter rod is under the impact of a large amount of synthesis gas, and root directly splits off;
3, a large amount of crude synthesis gas concentrate on local area (referring to that the ceramic rod locking device extends in the 300mm scope downwards) filtration of filter stick, increased the filter stick localised load, also because of the variation of operating condition, cause the local filter opening of filter stick to stop up or the aperture becomes big and lost efficacy, shortened the service life of filter stick, also increased simultaneously Chalk-dust filtering (CaO) and in filter stick bunch, formed the probability of building bridge.
Above phenomenon greatly reduces the service life of ceramic rod, has brought threat also for the continuous operation of powder coal gasification furnace, thereby in practical operation, needs in time to change the ceramic filter rod, has both consumed a large amount of manpowers, wastes substantial contribution again.
Summary of the invention
The purpose of this utility model provides a kind of ceramic filter rod HTHP fly-ash filter in service life that prolongs.
The purpose of this utility model is achieved in that a kind of HTHP fly-ash filter, comprises the filter stick group, and the filter stick group is fixed by filter stick group fixed head, and air intake branch is connected with the air intake branch fixed support, is provided with deflection plate at the place, gas outlet of entrance branch.
HTHP fly-ash filter provided by the utility model, by adopting the structure that is provided with deflection plate at the place, gas outlet of entrance branch, synthesis gas is not directly impacted and wearing and tearing filter stick, and the formation uniform airflow is passed through filter stick, thereby crude synthesis gas is separated, avoided effectively because of synthesis gas directly impacts the destruction that filter stick is caused to filter stick, prolonged filter stick service life.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Structure of the present utility model as shown in Figure 1, a kind of HTHP fly-ash filter comprises filter stick group 3, filter stick group 3 is fixing by filter stick group fixed head 1, air intake branch 5 is connected with air intake branch fixed support 4, locates to be provided with deflection plate 2 in the gas outlet of entrance branch 5.
Through after the above technological transformation, crude synthesis gas enters filter after distributor box is divided into three strands of air-flows and enters next workshop section through ceramic filter rod group by the house steward of DN400.This transformation is installed deflection plate by the place, three arm gas outlets to the import of fly-ash filter synthesis gas, changes air flow direction, guarantees that synthesis gas does not directly impact and wearing and tearing filter stick, and forms uniform airflow by filter stick, thereby crude synthesis gas is separated.The infringement of effectively having avoided synthesis gas that filter stick is caused, behind the installation deflection plate, extended to more than 300 day by original more than 100 day the service life of fly-ash filter, saved production cost.
Claims (1)
1, a kind of HTHP fly-ash filter, comprise filter stick group (3), filter stick group (3) is fixing by filter stick group fixed head (1), and air intake branch (5) is connected with air intake branch fixed support (4), it is characterized in that: the place, gas outlet at entrance branch (5) is provided with deflection plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201913892U CN201279423Y (en) | 2008-10-08 | 2008-10-08 | High-temperature high-pressure fly-ash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201913892U CN201279423Y (en) | 2008-10-08 | 2008-10-08 | High-temperature high-pressure fly-ash filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201279423Y true CN201279423Y (en) | 2009-07-29 |
Family
ID=40926311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201913892U Expired - Fee Related CN201279423Y (en) | 2008-10-08 | 2008-10-08 | High-temperature high-pressure fly-ash filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201279423Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524890A (en) * | 2014-12-24 | 2015-04-22 | 贵州天福化工有限责任公司 | Method and device for increasing blowback temperature of gasifying fly ash filter |
-
2008
- 2008-10-08 CN CNU2008201913892U patent/CN201279423Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524890A (en) * | 2014-12-24 | 2015-04-22 | 贵州天福化工有限责任公司 | Method and device for increasing blowback temperature of gasifying fly ash filter |
| CN104524890B (en) * | 2014-12-24 | 2016-06-15 | 贵州天福化工有限责任公司 | A kind of lifting coal gasification fly-ash filter blowback air temperature methods and device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102698546B (en) | Pulse reverse blowing ash removal device of ceramic filter | |
| US8349043B2 (en) | Turbine inlet air system | |
| CN101716445A (en) | Impulse bag filter | |
| CN201279423Y (en) | High-temperature high-pressure fly-ash filter | |
| CN102698526B (en) | Internal filtering dust filtering equipment | |
| CN102225226B (en) | Fire extinguishing device for biomass flue gas | |
| CN205164327U (en) | Bag -type dust remover | |
| CN201166619Y (en) | Sampling device for gas analyzer | |
| CN204522579U (en) | A kind of deduster | |
| CN204275704U (en) | A kind of high-temperature gas filter | |
| CN202983402U (en) | Gravity dust separator for compound fertilizer plant | |
| CN205461444U (en) | Pulse blowback PE filter core dust remover | |
| CN207786163U (en) | A kind of building engineering construction dust-extraction unit | |
| CN204395669U (en) | U20-5 type coal unit sack cleaner | |
| CN201165904Y (en) | Gas turbine entrance air pre-filtration apparatus | |
| CN206081962U (en) | Automatic cleaning device of board -like dust remover glass fiber laying dust | |
| CN205569960U (en) | Dedusting device | |
| CN108636045A (en) | A kind of dust removal unit | |
| CN103055624A (en) | Uniform gas distribution structure of air inlet of flue gas filter | |
| CN108057290A (en) | A kind of transverse-plug type filter cartridge dust remover | |
| CN211174503U (en) | Compressed air energy storage system | |
| CN205701050U (en) | A kind of compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure | |
| CN112619294A (en) | Built-in cyclone gas-liquid-solid separator | |
| CN105363295A (en) | Continuous casting secondary cooling zone high-pressure air impurity filtering system and using method thereof | |
| CN205055695U (en) | Two cold -zone highly -compressed air impurity filtration system of continuous casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Inner Mongolia Erdos United Chemical Co., Ltd. Assignor: Hubei Shuanghuan Polytron Technologies Inc| Hubei Yihua Refco Group Ltd Contract record no.: 2010420000036 Denomination of utility model: High-temperature high-pressure fly-ash filter Granted publication date: 20090729 License type: Exclusive License Record date: 20100421 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20101008 |