CN206285641U - A kind of filter - Google Patents
A kind of filter Download PDFInfo
- Publication number
- CN206285641U CN206285641U CN201621188127.1U CN201621188127U CN206285641U CN 206285641 U CN206285641 U CN 206285641U CN 201621188127 U CN201621188127 U CN 201621188127U CN 206285641 U CN206285641 U CN 206285641U
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- Prior art keywords
- blowback
- group
- blowpipe
- filter tube
- filter
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Abstract
The utility model discloses a kind of filter, including housing, filter tube group, anti-blowpipe group and drive mechanism；Filter tube group is arranged in housing；Anti-blowpipe group is arranged on the top of filter tube group；Anti-blowpipe group is provided with blowback inlet end and multiple blowback outlet sides；Multiple blowback outlet sides are relative with filter tube group respectively；Multiple blowback outlet sides one end end relative with filter tube group is respectively fixed with seal；Drive mechanism drives anti-blowpipe group to move up and down, and when anti-blowpipe group is moved down, blowback outlet side is sealed by seal and is fixed in filter tube group.The utility model makes anti-blowpipe group move up and depart from filter tube group in filter normal filtration；In power back-blowing filter, anti-blowpipe group is moved down, and then anti-blowpipe group is tightly connected with filter tube group by seal, so that the purge gas whole blowbacks in anti-blowpipe group are in filter tube group, the consumption and operating power consumption of purge gas are reduced, production and use cost is reduced.
Description
Technical field
The utility model is related to hot gas filtration field, more particularly to a kind of filter.
Background technology
High-temperature dusty gas are often produced in the industries such as chemical industry, oil, metallurgy, electric power.To reclaim the energy in high-temperature gas
Amount, and the discharge of high-temperature gas is reached environmental emission standard, need to generally dedusting be carried out to these high-temperature dusty gas.High Temperature Gas
Body dedusting is directly to carry out gas solid separation to dusty gas under the high temperature conditions, realizes a technology of gas purification, and it can be with
Farthest using the physical sensible heat of gas, potential chemical heat and kinetic force, energy utilization rate is improved, while Simplified flowsheet mistake
Journey, saves equipment investment.
In current most potential clean coal technology, with integrated gasification combined cycle plants (IGCC) and pressurized fluidized bed
Combined cycle generation (PFC CC) is various coal-fired power generator sets of representative and with the leading Coal Chemical Industry Poly-generation skill of coal gasification
The dust removal problem of high-temperature gas is directed in art.The Clean Coal Power Generating Technologies such as IGCC are encountered in commercialized development process
One common difficulty is exactly high-temperature purification of gas, and its purpose one is protection gas turbine blades and upstream device, and two is to make discharge
Flue gas meet environmental protection standard.And the rigid hot filter element such as sintering metal chimney filter and ceramic screen pipe, with good antidetonation
Performance, high temperature resistant, corrosion-resistant and thermal shock resistance properties, while there is filtering accuracy and filter efficiency higher, therefore by widely
For high temperature gas cleaning field, by taking High Temperature Ceramic Filter as an example, the particle of more than 5u m can be removed, outlet dust content is small
In 5mg/Nm3, separative efficiency is up to 99.9%.
But, after performance filter long-term use good again, its filter core can because being infected with excessive dirt body granule foreign,
And the dust removing effects of filter are influenceed, accordingly, it would be desirable to periodically power back-blowing filter filter core, to remove the impurity on filter core, it is ensured that mistake
The performance of filter.But the blowback process of current filter element is all utilized in the one venturi blowback of insertion of filter core top
Pipe, blowback is carried out to filter core using pulse gas pressure, and this blowback mode is due to purge gas and filter mouth of pipe blow-by
Cause purge gas does not cause the pressure loss of purge gas by filter core completely；The blowback air scale of construction of consumption is also big simultaneously
It is big to improve.Because the blowback pressure of needs when the loss of blowback pressure causes that gas carries out blowback is improved, such as conventional filter system
The blowback pressure of system is up to 7~10MP, and such highland blowback pressure needs to use imported valve, could meet opening for blowback system
Closing valve requirement, and imported valve is very expensive, this undoubtedly increased cost.And the blowback pressure of height consumption, increases
The compressor set power of purge gas, also increases maintenance cost.In addition, venturi anti-blowpipe can only be realized filtering filter
The pulsed blowback of core, can not be to the purge gas that steady pressure is conveyed in filter, can not be to the pressure of purge gas
It control effectively, and then causes blowback effect on driving birds is not good.
Utility model content
The utility model is the shortcoming and deficiency for overcoming prior art, there is provided a kind of filter, it is without using high pressure
The purge gas of power and the import operated pneumatic valve of costliness just can realize the effective cleaning to filter tube group, and can greatly reduce anti-
The consumption and operating power consumption of blowing, reduce production and use cost.
The utility model is achieved through the following technical solutions：A kind of filter includes housing, filter tube group, anti-blowpipe
Group and drive mechanism；The filter tube group is arranged in the housing；The anti-blowpipe group is arranged on the upper of the filter tube group
Side；The anti-blowpipe group is provided with blowback inlet end and multiple blowback outlet sides；The multiple blowback outlet side respectively with the filter
Core pipe group is relative；The multiple blowback outlet side one end end relative with the filter tube group is respectively fixed with seal；Institute
Stating drive mechanism drives the anti-blowpipe group to move up and down, and when the anti-blowpipe group is moved down, the blowback outlet side
Sealed by the seal and be fixed in the filter tube group.
Compared to prior art, the utility model in filter normal filtration, make anti-blowpipe group move up and with filter
Core pipe group departs from, it is ensured that the normal filtration of filter；In power back-blowing filter, move down anti-blowpipe group, and then make blowback
Pipe group is tightly connected by seal with filter tube group, so that the purge gas whole blowbacks in anti-blowpipe group are to filter tube
In group, the import operated pneumatic valve of purge gas and costliness without using high pressure just can be realized to the effective clear of filter tube group
It is clean, and the consumption and operating power consumption of purge gas are substantially reduced, reduce production and use cost.
Further, the seal includes metal ring；The metal ring is fixed on the end of the blowback outlet side
Portion, and the metal ring is coaxially disposed with the outlet side；The internal diameter size of the metal ring and the blowback outlet side
Internal diameter it is equal in magnitude；The external diameter size of the metal ring is big more than the external diameter of the anti-blowpipe group；And in the anti-blowpipe
When group is moved down, the end face of the metal ring fits with the end face of the filter tube group.
Further, the seal also includes conical plug；The conical plug is fixed on the metal ring, and described
Conical plug is coaxially disposed with the metal ring；The conical plug is provided with through hole；When the anti-blowpipe group is moved down, institute
State conical plug and be embedded into the filter tube group, and the anti-blowpipe group and filter tube group are connected by the through hole.
Further, the anti-blowpipe group includes multiple blowback escaping pipes, blowback communicating pipe and blowback air inlet pipe；It is described many
Individual blowback escaping pipe is separately positioned on the top of the filter tube group, and in the upper cavity of the housing；It is the multiple anti-
Blowout tracheae one end relative with the filter tube group is respectively equipped with blowback outlet side, fixes described close on the blowback outlet side
Sealing；The blowback communicating pipe, one end connected the multiple escaping pipe, and the other end exposes through the shell；The blowback connection
The drive mechanism is fixed in pipe exposed junction end；The blowback air inlet pipe is connected with the sidepiece of the blowback communicating pipe exposed junction,
And communicated with the blowback communicating pipe；The blowback air inlet pipe is provided with blowback inlet end.
Further, also including blowback flexible pipe and controller；The blowback inlet end connects outer by the blowback flexible pipe
The purge gas on boundary；The first operated pneumatic valve, first operated pneumatic valve and the controller signals are provided with the blowback flexible pipe
Connection；The signal that first operated pneumatic valve receives the controller transmission is realized being turned on and off, and pneumatic described first
During valve opening, to conveying purge gas in the anti-blowpipe group；When the first operated pneumatic valve is closed, stop to the anti-blowpipe
Conveying purge gas in group.
Further, the drive mechanism is cylinder；The end that the push rod of the cylinder exposes with blowback communicating pipe is connected；
The second operated pneumatic valve is provided with the cylinder, second operated pneumatic valve is connected with the controller signals；Described second is pneumatic
The signal that valve receives the controller transmission is realized being turned on and off, and when second operated pneumatic valve is opened, drives institute
State anti-blowpipe group to move down, the anti-blowpipe group is tightly connected with the filter tube group；Closed in second operated pneumatic valve
When closing, drive the anti-blowpipe group to move up, the anti-blowpipe group is departed from the filter tube group.
Further, it is provided with a dividing plate in the housing；The housing is divided into upper cavity and lower chamber by the dividing plate；Institute
State filter tube group and pass vertically through the dividing plate from the bottom to top, and be fixed on the dividing plate, and connect the upper cavity of the housing
And lower chamber.
Compared to prior art, the utility model in filter normal filtration, make anti-blowpipe group move up and with filter
Core pipe group departs from, it is ensured that the normal filtration of filter；In power back-blowing filter, move down anti-blowpipe group, and then make blowback
Pipe group is tightly connected by seal with filter tube group, so that the purge gas whole blowbacks in anti-blowpipe group are to filter tube
In group, the import operated pneumatic valve of purge gas and costliness without using high pressure just can be realized to the effective clear of filter tube group
It is clean, and the consumption and operating power consumption of purge gas are substantially reduced, reduce production and use cost.Further, originally
Utility model passes through the blowback that anti-blowpipe group can also be lasting under certain pressure conditions, while being controlled by the controller
The multiple change of blowback pressure, realizes preferably blowback effect, and blowback effect improves 10~30 times compared with traditional pulse blowback mode,
Blowback is more thorough, and blowback time interval is longer.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of filter filtration high pressure dusty gas in the utility model embodiment；
Fig. 2 is the structural representation of power back-blowing filter in the utility model embodiment.
Specific embodiment
It is the knot of filter filtration high pressure dusty gas in the utility model embodiment please refer to Fig. 1 and Fig. 2, Fig. 1
Structure schematic diagram, the arrow in figure represents the flow direction of high pressure dust gas；Fig. 2 is power back-blowing filter in the utility model embodiment
Structural representation, the arrow in figure represents the flow direction of purge gas.
The filter includes housing 1, filter tube group 2, anti-blowpipe group 3, blowback flexible pipe (not shown), the and of drive mechanism 4
Controller (not shown).The filter tube group 2 is arranged in the housing 1.The anti-blowpipe group 3 is arranged on the filter tube
The top of group 2.The anti-blowpipe group 3 is provided with blowback inlet end and multiple blowback outlet sides；The blowback inlet end is by described
Blowback flexible pipe connects extraneous purge gas；The multiple blowback outlet side is relative with the filter tube group 2 respectively, and with it is described
The relative one end end of filter tube group 2 is respectively fixed with seal 5.The drive mechanism 4 drive the anti-blowpipe group 3 it is vertical on
Lower movement, and when the anti-blowpipe group 3 is moved down, the blowback outlet side is sealed by the seal 5 and is fixed on institute
State in filter tube group 2.The controller sending signal drives the drive mechanism 4 to work, and then controls the drive mechanism 4
It is mobile.
A dividing plate 11 is provided with the housing 1；1 point by the housing of the dividing plate 11 is upper cavity 12 and lower chamber 13.
The sidepiece of the lower chamber 13 is provided with air inlet 14；Sidepiece on the upper cavity 12 with the homonymy of the air inlet 14 is provided with air-out
Mouth 15.
The filter tube group 2 passes vertically through the dividing plate 11 from the bottom to top, and is fixed on the dividing plate 11, and connection institute
State the upper cavity 12 and lower chamber 13 of housing 1.
The anti-blowpipe group 3 includes multiple blowback escaping pipes 31, blowback communicating pipe 32 and blowback air inlet pipe 33.It is the multiple
Blowback escaping pipe 31 is separately positioned on the top of the filter tube group 2, and in the upper cavity 12 of the housing 1.It is described many
Individual blowback escaping pipe 31 one end relative with the filter tube group 2 is respectively equipped with blowback outlet side, solid on the blowback outlet side
The fixed seal 5.Described one end of blowback communicating pipe 32 connects the multiple escaping pipe, and the other end exposes through the shell.
The exposed junction end fixation of the blowback communicating pipe 32 drive mechanism 4.The blowback air inlet pipe 33 and the blowback communicating pipe
The sidepiece connection of 32 exposed junctions, and communicated with the blowback communicating pipe 32.The blowback air inlet pipe 33 is provided with blowback inlet end.
In the present embodiment, the anti-blowpipe group 3 is processed into by exotic material, and its material is nonmetallic including various alloys, ceramics etc.
Material.
The first operated pneumatic valve is provided with the blowback flexible pipe, first operated pneumatic valve is connected with the controller signals.
The signal that first operated pneumatic valve receives the controller transmission is realized being turned on and off, and is opened in first operated pneumatic valve
Qi Shi, to conveying purge gas in the anti-blowpipe group 3；When the first operated pneumatic valve is closed, stop in the anti-blowpipe group 3
Conveying purge gas, and then realize to the purge gas that certain pressure is persistently conveyed in the anti-blowpipe group 3 so that filter tube group
2 blowback is more thorough, and blowback time interval is longer.
The seal 5 includes metal ring and conical plug.The metal ring be fixed on the blowback outlet side with
The relative one end end of the filter tube group 2, and the metal ring is coaxially disposed with the outlet side.The metal ring
Internal diameter size is equal in magnitude with the internal diameter of the blowback outlet side；The external diameter size of the metal ring is more than the anti-blowpipe group
3 external diameter size.The conical plug is fixed on the metal ring, and the conical plug coaxially sets with the metal ring
Put.The conical plug is provided with through hole；When the conical plug is embedded into the filter tube group 2, institute is connected by the through hole
State anti-blowpipe group 3 and filter tube group 2.When the anti-blowpipe group 3 is moved down under the driving effect of the drive mechanism 4, institute
Conical plug is stated to be embedded in the filter tube group, and the end face of the metal ring fits with the end face of the filter tube group 2, enters
And the anti-blowpipe group 3 is tightly connected with the filter tube group 2 so that the purge gas in anti-blowpipe group 3 passes through the cone
Shape through hole whole blowbacks beyond the Great Wall are in filter tube group 2.
Seal of the present utility model 5 can also only include conical plug, and now, the conical plug is fixed on the blowback
One end end relative with the filter tube group 2 on outlet side, the conical plug is coaxially disposed with the outlet side.Or it is described
Seal 5 can also only include metal ring.Meanwhile, the shape of the seal of the present utility model is not limited to annular
Shape, can also be that the polygons such as square shape, triangle are constituted.
The drive mechanism 4 is cylinder；The end that the push rod of the cylinder exposes with blowback communicating pipe 32 is connected；The gas
The second operated pneumatic valve is provided with cylinder, second operated pneumatic valve is connected with the controller signals.Second operated pneumatic valve connects
The signal for receiving the controller transmission is realized being turned on and off, and when second operated pneumatic valve is opened, drives the blowback
Pipe group 3 is moved down, and the anti-blowpipe group 3 is tightly connected with the filter tube group 2, realizes the blowback to filter tube group 2；
When second operated pneumatic valve is closed, drive the anti-blowpipe group 3 to move up, make the anti-blowpipe group 3 and the filter tube
Group 2 departs from, and realizes the normal filtration to high pressure dust gas.The drive mechanism 4 can also be oil cylinder, tooth bar, sliding block, turbine
The mechanical transmission structures such as worm screw.
The controller is PLC or embedded scm, and the controller sending signal controls first operated pneumatic valve
It is turned on and off with the second operated pneumatic valve.
Filter of the present utility model includes but is not limited to metallic filter, ceramic filter, cloth envelop collector etc..
In the present embodiment, the external diameter of the blowback communicating pipe 32 is 40 millimeters, and wall thickness is 5 millimeters, and length is 500 millimeters.
33 a diameter of 10 millimeters of the blowback air inlet pipe, wall thickness is 1.5 millimeters.The internal diameter of the metal ring is 40 millimeters, and external diameter is
100 millimeters.Or, the external diameter of the blowback communicating pipe 32 is 60 millimeters, and wall thickness is 5 millimeters, and length is 500 millimeters.It is described anti-
33 a diameter of 10 millimeters of tracheae is blown into, wall thickness is 1.5 millimeters.The internal diameter of the metal ring is 60 millimeters, and external diameter is 100 millis
Rice.
During filter normal work, the drive mechanism 4 drives the anti-blowpipe group 3 to move up, so that the blowback
Pipe group 3 is with the filter tube group 2 from high pressure dust gas enter into the cavity of resorption of the housing 1 from the air inlet of the housing 1
In vivo, and after the filter tube group 2 removes dust granule, after being filtered from the air outlet of the upper cavity of the housing 1
Clean gases at high pressure.
When power back-blowing filter is needed, the drive mechanism 4 drives the anti-blowpipe group 3 to move down, and makes the taper
In the plug insertion filter tube group 2, and the end face of the metal ring and the end face of the filter tube group 2 is set to fit, and then
The anti-blowpipe group 3 is set to be tightly connected with the filter tube group 2.It is passed through instead from the purge gas inlet end of the anti-blowpipe group 3
Blowing, the purge gas is passed through in the filter tube group 2 from the blowback outlet side of the anti-blowpipe group 3, and from filter tube group 2
In the interior lower chamber for flowing into the housing 1, finally flowed out from the air inlet of the housing 1, so as to realize to the anti-of filter tube group 2
Blow.
Compared to prior art, the utility model in filter normal filtration, make anti-blowpipe group move up and with filter
Core pipe group departs from, it is ensured that the normal filtration of filter；In power back-blowing filter, move down anti-blowpipe group, and then make blowback
Pipe group is tightly connected by seal with filter tube group, so that the purge gas whole blowbacks in anti-blowpipe group are to filter tube
In group, the import operated pneumatic valve of purge gas and costliness without using high pressure just can be realized to the effective clear of filter tube group
It is clean, and the consumption and operating power consumption of purge gas are substantially reduced, reduce production and use cost.Further, originally
Utility model passes through the blowback that anti-blowpipe group can also be lasting under certain pressure conditions, while being controlled by the controller
The multiple change of blowback pressure, realizes preferably blowback effect, and blowback effect improves 10~30 times compared with traditional pulse blowback mode,
Blowback is more thorough, and blowback time interval is longer.
The utility model is not limited to above-mentioned implementation method, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these are changed and deformation belongs to claim of the present utility model and equivalent technologies
Within the scope of, then the utility model is also intended to comprising these changes and deforms.
Claims (7)
1. a kind of filter, it is characterised in that including housing, filter tube group, anti-blowpipe group and drive mechanism；The filter tube group
It is arranged in the housing；The anti-blowpipe group is arranged on the top of the filter tube group；The anti-blowpipe group is provided with blowback and enters
Gas end and multiple blowback outlet sides；The multiple blowback outlet side is relative with the filter tube group respectively；The multiple blowback goes out
The gas end one end end relative with the filter tube group is respectively fixed with seal；The drive mechanism drives the anti-blowpipe group
Move up and down, and when the anti-blowpipe group is moved down, the blowback outlet side is sealed by the seal and is fixed on institute
State in filter tube group.
2. filter according to claim 1, it is characterised in that the seal includes metal ring；The round metal
Ring is fixed on the end of the blowback outlet side, and the metal ring is coaxially disposed with the outlet side；The metal ring
Internal diameter size it is equal in magnitude with the internal diameter of the blowback outlet side；The external diameter size of the metal ring is more than the anti-blowpipe
The external diameter of group is big；And when the anti-blowpipe group is moved down, the end face of the end face of the metal ring and the filter tube group
Fit.
3. filter according to claim 2, it is characterised in that the seal also includes conical plug；The conical plug
It is fixed on the metal ring, and the conical plug is coaxially disposed with the metal ring；The conical plug is provided with through hole；
When the anti-blowpipe group is moved down, the conical plug is embedded into the filter tube group, and connects described by the through hole
Anti-blowpipe group and filter tube group.
4. filter according to claim 1, it is characterised in that the anti-blowpipe group includes multiple blowback escaping pipes, anti-
Blow communicating pipe and blowback air inlet pipe；The multiple blowback escaping pipe is separately positioned on the top of the filter tube group, and positioned at institute
State in the upper cavity of housing；The multiple blowback escaping pipe one end relative with the filter tube group is respectively equipped with blowback outlet
End, the seal is fixed on the blowback outlet side；The multiple escaping pipe of blowback communicating pipe one end connection, the other end
Exposed through the housing；The drive mechanism is fixed in the blowback communicating pipe exposed junction end；The blowback air inlet pipe and institute
The sidepiece connection of blowback communicating pipe exposed junction is stated, and is communicated with the blowback communicating pipe；The blowback air inlet pipe is provided with blowback
Inlet end.
5. filter according to claim 1, it is characterised in that also including blowback flexible pipe and controller；The blowback is entered
Extraneous purge gas is connected in gas end by the blowback flexible pipe；The first operated pneumatic valve, described are provided with the blowback flexible pipe
One operated pneumatic valve is connected with the controller signals；The signal that first operated pneumatic valve receives the controller transmission is realized opening
Open or close, and when first operated pneumatic valve is opened, to conveying purge gas in the anti-blowpipe group；In the first pneumatic operated valve
When door is closed, stop conveying purge gas in the anti-blowpipe group.
6. filter according to claim 5, it is characterised in that the drive mechanism is cylinder；The push rod of the cylinder
The end exposed with blowback communicating pipe is connected；Be provided with the second operated pneumatic valve in the cylinder, second operated pneumatic valve with it is described
Controller signals are connected；The signal that second operated pneumatic valve receives the controller transmission is realized being turned on and off, and in institute
When stating the unlatching of the second operated pneumatic valve, drive the anti-blowpipe group to move down, make the anti-blowpipe group close with the filter tube group
Envelope connection；When second operated pneumatic valve is closed, drive the anti-blowpipe group to move up, make the anti-blowpipe group with it is described
Filter tube group departs from.
7. filter according to claim 1 a, it is characterised in that dividing plate is provided with the housing；The dividing plate is by institute
State housing and be divided into upper cavity and lower chamber；The filter tube group passes vertically through the dividing plate from the bottom to top, and be fixed on it is described every
On plate, and connect the upper cavity and lower chamber of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188127.1U CN206285641U (en) | 2016-10-28 | 2016-10-28 | A kind of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188127.1U CN206285641U (en) | 2016-10-28 | 2016-10-28 | A kind of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206285641U true CN206285641U (en) | 2017-06-30 |
Family
ID=59098933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188127.1U Active CN206285641U (en) | 2016-10-28 | 2016-10-28 | A kind of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206285641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669302A (en) * | 2016-10-28 | 2017-05-17 | 韶关市贝瑞过滤科技有限公司 | Filter |
-
2016
- 2016-10-28 CN CN201621188127.1U patent/CN206285641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669302A (en) * | 2016-10-28 | 2017-05-17 | 韶关市贝瑞过滤科技有限公司 | Filter |
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