CN116328453A - High-efficient filtration equipment - Google Patents
High-efficient filtration equipment Download PDFInfo
- Publication number
- CN116328453A CN116328453A CN202310261783.8A CN202310261783A CN116328453A CN 116328453 A CN116328453 A CN 116328453A CN 202310261783 A CN202310261783 A CN 202310261783A CN 116328453 A CN116328453 A CN 116328453A
- Authority
- CN
- China
- Prior art keywords
- blowing
- filter
- district
- blowback
- high efficiency
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 238000007664 blowing Methods 0.000 claims abstract description 103
- 238000009826 distribution Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000011010 flushing procedure Methods 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 33
- 229920000877 Melamine resin Polymers 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
- B01D46/60—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to high-efficiency blowback filtering equipment, which comprises a high-efficiency blowback device and a filter, wherein the inside of the filter is divided into: clean material district, blowback district, filtration district, unloading district, high-efficient blowback device include: the device comprises a back-blowing air inlet main pipe, back-blowing air branch pipes, a back-blowing air automatic control device and a back-blowing air distribution device, wherein the back-blowing air inlet main pipe is simultaneously connected to a plurality of back-blowing branch pipes and the automatic control device; each automatic control device is connected with each back-blowing gas distribution device, each adjacent back-blowing gas branch pipe is distributed on the back-blowing gas main pipe at equal distance, and each back-blowing gas distribution device is connected with one back-blowing gas branch pipe respectively; the lower side of each back blowing gas distribution device is provided with a nozzle. The invention has the advantages that: the controllability of the back-flushing effect is improved, the back-flushing area is adjusted according to different conditions of entering materials, the operability is high, and the back-flushing and filtering effects of gas-liquid and gas-solid mixed materials are improved.
Description
Technical Field
The invention belongs to the field of chemical equipment, and particularly relates to efficient back-flushing filtration equipment.
Background
In modern chemical industry production, need follow among the multiple different mixed material, realize the separation of single or multiple material through the filtration, the filter media can produce the jam because of the gathering of material, leads to the fact the reduction of filter effect, need realize the reuse of filter media through blowback device, reach the long-term purpose of using of filtration equipment.
In the domestic melamine production process, the reaction gas from the cooler contains gaseous melamine, melam, melem and catalyst solid dust, the solid dust is removed by filtering through a filter, so that the melamine gas in the reaction gas is purified, and the reaction gas enters a post-process quenching crystallizer to quench and crystallize the gaseous melamine after filtering, so as to generate solid melamine.
The prior art in China generally carries out back flushing on filtering equipment by a motor-driven stirring system with a back flushing device, and mainly has the following problems: the first stirring shaft part and the middle stirring shaft part cannot be provided with filter materials, so that the filter area is reduced, and the filter effect is reduced; the second, middle non-filtering area is bigger, cause the apparatus space to waste, the apparatus fabrication cost increases; thirdly, the back blowing device is driven by a motor, so that the energy consumption is increased, mechanical operation parts exist, the failure rate is increased, the parking risk of the device is increased, and the operation period of the device is seriously influenced; fourth, the structure of each back-blowing area must be identical and symmetrically distributed, and each back-blowing area cannot be adjusted, so that the back-blowing effect is affected; fifth, can not carry out independent control to the region that the filter effect is poor, lack controlling means, maneuverability is relatively poor, influences the wholeness ability of filter.
Disclosure of Invention
In order to achieve the purposes of increasing the filtering area, reducing the energy consumption, enhancing the back-flushing effect and controlling the back-flushing area, thereby solving the problems of unstable equipment operation, high energy consumption and poor back-flushing effect, the invention provides high-efficiency back-flushing filtering equipment.
The invention relates to high-efficiency filtering equipment, which comprises a filter, wherein the filter comprises a filter cylinder body 2, and the inside of the filter is divided into: clean material district 3, blowback district 4, filtration district 5, unloading district 6, filtration district 5 in be equipped with filter core distributing plate 11, install a plurality of filter cores below this filter core distributing plate 11. The efficient filtering equipment further comprises an efficient back blowing device 1, wherein the efficient back blowing device 1 comprises: the back-blowing air distribution device 10 is arranged at the upper part of the back-blowing area 4 and is arranged along the same circumference, the front ends of the back-blowing air branch pipes 9 are connected with the back-blowing air main pipe 7, the rear ends of the back-blowing air branch pipes 9 are respectively connected with the back-blowing air distribution device 10 correspondingly, and the lower sides of the back-blowing air distribution devices 10 are all provided with nozzles 12.
Further, the aspect ratio of the filtering area 5 is 0.8-1.8 times.
Further, the cone angle of the conical section of the blanking area 6 at the lower part of the filter cylinder 2 is less than or equal to 50 degrees.
Further, the back-blowing air main pipe 7 is round, elliptic or polygonal.
Further, the front ends of the blowback gas branch pipes 9 are uniformly distributed on the blowback gas main pipe 7, and the inner ends of the blowback gas branch pipes 9 are circumferentially and uniformly distributed in the clean material area 3.
Further, the inner ends of the blowback gas branch pipes 9 are positioned on the same horizontal plane, and the nozzles 12 are positioned on the same horizontal plane.
Further, a back-blowing air pipe bracket is arranged below the back-blowing air main pipe 7.
Further, the blowback gas distribution apparatuses 10 are different in structure.
Further, the distance between the lower end of each nozzle 12 and the upper surface of the filter element distribution plate 11 is 1.0-3.0 times of the effective diameter of the nozzle 12.
Further, the automatic back-blowing control device also comprises a plurality of automatic back-blowing control devices 8, and each automatic back-blowing control device 8 is respectively arranged in the middle of each back-blowing air branch pipe 9.
The invention has the following advantages: the back blowing gas main pipe is divided into a plurality of back blowing branch pipes, the back blowing gas control device respectively controls each back blowing branch pipe, the controllability of the back blowing effect is improved, the back blowing sequence and the back blowing area of the back blowing device can be controlled, the back blowing area can be adjusted according to different conditions of entering materials, the operability is high, and the filtering and back blowing effects of gas-liquid-gas-solid mixed materials are improved.
Description of the drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the distribution of the flow paths of the back-blowing gas header and the branch pipes in the invention;
FIG. 3 is a schematic view of the orientation of the automatic control device for blowback gas according to the present invention;
FIG. 4 is a schematic view of the structure and nozzle orientation of the blowback gas distribution apparatus of the present invention;
in the figure: 1. an efficient back-blowing device; 2. a filter cartridge; 3. a clean material zone; 4. a back blowing area; 5. a filtration zone; 6. a blanking area; 7. a back-blowing gas main pipe; 8. a back-blowing automatic control device; 9. a blowback gas branch pipe; 10. a back-blowing distribution device; 11. a filter element distribution plate; 12. and (3) a nozzle.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, wherein it is shown and described a few, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without inventive faculty, shall fall within the scope of the present invention.
Embodiment one:
the embodiment of a high-efficiency filtering device includes: the efficient back-flushing device 1 and the filter, wherein the filter comprises a filter cylinder 2, and the inside of the filter cylinder is divided into: clean material district 3, blowback district 4, filtration district 5, unloading district 6, filtration district 5 in be equipped with filter core distributing plate 11, install a plurality of filter cores below this filter core distributing plate 11. The efficient blowback device 1 comprises: the back-blowing air distribution device 10 is arranged at the upper part of the back-blowing area 4 and is arranged along the same circumference, the front ends of the back-blowing air branch pipes 9 are connected with the back-blowing air main pipe 7, the rear ends of the back-blowing air branch pipes 9 are respectively connected with the back-blowing air distribution device 10 correspondingly, and the lower sides of the back-blowing air distribution devices 10 are all provided with nozzles 12. In the embodiment, the length-diameter ratio of the filtering area 5 is 0.8-1.8 times; the cone angle of the conical section of the blanking area 6 at the lower part of the filter cylinder body 2 is less than or equal to 50 degrees; the outside of the filter cylinder body 2 is provided with a high-temperature nitrogen or carbon dioxide gas jacket for heat preservation.
The back-blowing gas main pipe 7 can be round, elliptic or polygonal, the front ends of the back-blowing gas branch pipes 9 are uniformly distributed on the back-blowing gas main pipe 7, and the rear ends of the back-blowing gas branch pipes 9 are uniformly distributed along the circumference in the clean material area 3. The inner ends of the back-blowing gas branch pipes 9 are positioned on the same horizontal plane, the nozzles 12 at the lower parts of the back-blowing gas distribution devices 10 are positioned on the same horizontal plane, and a back-blowing gas pipe bracket is arranged below the back-blowing gas main pipe 7 and is used for effectively supporting and fixing the back-blowing gas main pipe. The back-blowing gas distribution devices 10 may have the same structure as the back-blowing gas distribution devices 10, or may have different structures as the back-blowing gas distribution devices 10.
The distance between the lower end of each nozzle 12 and the upper surface of the filter element distribution plate 11 is 1.0-3.0 times of the effective diameter of the nozzle 12.
The efficient filtering device according to the embodiment further includes a plurality of blowback automatic control devices 8, each blowback automatic control device 8 is respectively installed in the middle of each blowback air branch pipe 9, the blowback automatic control devices 8 can be controlled by a PLC or DCS to realize adjustment or linkage, and the corresponding blowback air branch pipes 9 are automatically and periodically controlled to be opened and closed and the magnitude of blowback air quantity passing through the blowback air branch pipes 9 is controlled.
The working process of the high-efficiency filter comprises the following steps: the back blowing gas enters a back blowing main pipe 7 and is distributed through a back blowing gas branch pipe 9, the back blowing gas automatic control device 8 controls the back blowing gas quantity and the back blowing time, then the back blowing gas enters a back blowing gas distribution device 10 and is sprayed out by a nozzle 12, the pressure in the filter element is increased, and the back blowing gas carries out back blowing on the filter element, so that dust on the filter element is blown off, and the blown dust is discharged from a blanking area 6; the back-blowing automatic control device 8 can control the position, the air quantity and the time of back-blowing according to the blocking condition of the filter element, the back-blowing can clean the filter element, the filter element can be reused, the service life of the filter element is prolonged, and the purposes of stabilizing the filter equipment and using for a long period are achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any person skilled in the art can make equivalent changes to the present invention by using the above technical solutions without departing from the scope of the present invention. The protection scope of the present invention is subject to what is recited in the claims.
Claims (10)
1. The utility model provides a high-efficient filtration equipment, includes the filter, and this filter includes filter barrel (2), and its inside top-down divides into in proper order: clean material district (3), blowback district (4), filtration district (5), unloading district (6), filtration district (5) in be equipped with filter core distributing plate (11), install a plurality of filter cores, its characterized in that below this filter core distributing plate (11): still include high-efficient blowback device (1), high-efficient blowback device (1) include: the back blowing device comprises a back blowing main pipe (7), a plurality of back blowing branch pipes (9) and a plurality of back blowing distribution devices (10), wherein the back blowing distribution devices (10) are arranged on the upper portion of a back blowing area (4) and are arranged along the same circumference, the front ends of the back blowing branch pipes (9) are connected with the back blowing main pipe (7), the rear ends of the back blowing branch pipes are respectively connected with the back blowing distribution devices (10) in a corresponding mode, and nozzles (12) are arranged on the lower sides of the back blowing distribution devices (10).
2. A high efficiency filtration device as claimed in claim 1 wherein: the length-diameter ratio of the filtering area (5) is 0.8 to 1.8 times.
3. A high efficiency filtration device as claimed in claim 1 wherein: the cone angle of the conical section of the discharging area (6) at the lower part of the filter cylinder body (2) is less than or equal to 50 degrees.
4. A high efficiency filtration device as claimed in claim 1 wherein: the back-blowing air main pipe (7) is round, elliptic or polygonal.
5. A high efficiency filtration device as claimed in claim 1 wherein: the front ends of the back-blowing branch pipes (9) are uniformly distributed on the back-blowing main pipe (7), and the inner ends of the back-blowing branch pipes (9) are uniformly distributed along the circumference in the clean material area (3).
6. A high efficiency filtration device as claimed in claim 1 wherein: the inner ends of the back blowing branch pipes (9) are positioned on the same horizontal plane, and the nozzles (12) are positioned on the same horizontal plane.
7. A high efficiency filtration device as claimed in claim 1 wherein: and a back-blowing air pipe bracket is arranged below the back-blowing air main pipe (7).
8. A high efficiency filtration device as claimed in claim 1 wherein: the structure of each back blowing gas distribution device (10) is different.
9. A high efficiency filtration device as claimed in claim 1 wherein: the distance between the lower end of each nozzle (12) and the upper surface of the filter element distribution plate (11) is 1.0-3.0 times of the effective diameter of the nozzle (12).
10. A high efficiency filtration device as claimed in claim 1 wherein: the automatic back-blowing device also comprises a plurality of automatic back-blowing control devices (8), and each automatic back-blowing control device (8) is respectively arranged in the middle of each back-blowing air branch pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261783.8A CN116328453A (en) | 2023-03-17 | 2023-03-17 | High-efficient filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261783.8A CN116328453A (en) | 2023-03-17 | 2023-03-17 | High-efficient filtration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116328453A true CN116328453A (en) | 2023-06-27 |
Family
ID=86888887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310261783.8A Pending CN116328453A (en) | 2023-03-17 | 2023-03-17 | High-efficient filtration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116328453A (en) |
-
2023
- 2023-03-17 CN CN202310261783.8A patent/CN116328453A/en active Pending
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