CN211273971U - Circular high-precision gas dust removal filter element - Google Patents
Circular high-precision gas dust removal filter element Download PDFInfo
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- CN211273971U CN211273971U CN201921334107.4U CN201921334107U CN211273971U CN 211273971 U CN211273971 U CN 211273971U CN 201921334107 U CN201921334107 U CN 201921334107U CN 211273971 U CN211273971 U CN 211273971U
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- air inlet
- air outlet
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- filter screen
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Abstract
The utility model provides a circular high-precision gas dust removal filter element, which comprises a shell, wherein both ends of the shell are respectively and fixedly connected with an air inlet flange and an air outlet flange; a plurality of filter screens are arranged in the shell, and are in a circular cylindrical shape which is concentrically sleeved; the gap between the filter screen and the filter screen forms an air inlet channel and an air outlet channel which are arranged adjacently; the lower end of the air inlet channel is fixedly connected with an air inlet channel plug, and the upper end of the air outlet channel is fixedly connected with an air outlet channel plug. The filter element adopts a gap between the filter screen and the filter screen to form an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are arranged adjacently, the lower end of the air inlet channel is fixedly connected with a plug, the upper end of the air outlet channel is fixedly connected with a plug structure, and the plug is made of the same material as the filter screen, so that the flow rate of the filter element is increased, and the filtering area is also increased; meanwhile, the filter screen adopts a metal sintering screen, so that the conditions of poor toughness and easy fracture of the original ceramic material are improved.
Description
Technical Field
The utility model relates to a filter core especially relates to a circular high accuracy sintering net filters core.
Background
The high-temperature gas dust removal technology is characterized in that a high-temperature filter medium (metal or ceramic filter material) is used for directly realizing dust removal and purification of gas under a high-temperature condition, and the technology has the outstanding advantages of being capable of utilizing physical sensible heat of the gas to the maximum extent, improving the utilization rate of energy, realizing intensified reaction under the high-temperature condition, realizing clean emission of the gas, simplifying the process, saving the investment of equipment, saving water and avoiding secondary pollution caused by wet dust removal. The high-temperature gas dust removal technology has wide application prospect in the industrial fields of energy, petrochemical industry, steel, building materials and the like.
Coal gasification can solve the problem of high-efficient utilization of energy, reduces the environment that coal fired caused and is not natural, but the coal gas temperature that comes out from the gasifier is very high and smugglies a large amount of sulphide, nitride, dust, heavy metal secretly, adopts high temperature resistant, corrosion-resistant pottery as the filter core usually, but ceramic material has toughness poor, easy fracture, and the filter resistance is too big, and the flue gas volume is little, and pottery and metal material are difficult for welding, the not high scheduling problem of system reliability.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a gas dust removal metal filter element that low resistance, high accuracy, filter area are big.
The utility model provides a technical scheme as follows:
the utility model provides a circular high accuracy gas dust removal filter core which characterized in that: the filter element comprises a shell, and an air inlet flange and an air outlet flange are fixedly connected to two ends of the shell respectively; a plurality of filter screens are arranged in the shell, and are in a circular cylindrical shape which is concentrically sleeved; the gap between the filter screen and the filter screen forms an air inlet channel and an air outlet channel which are arranged adjacently; the lower end of the air inlet channel is fixedly connected with an air inlet channel plug, and the upper end of the air outlet channel is fixedly connected with an air outlet channel plug.
The filter screen is a metal sintering screen, and is welded into a circular cylinder shape through a plate-shaped metal sintering screen, and the welding mode is full welding.
The air inlet pipe plug is annular and is fixedly connected to the filter screen in a full-welding mode; the air outlet channel plug is annular and is fixedly connected to the filter screen in a full-welding mode.
The air inlet channel plug, the air outlet channel plug and the filter screen are made of the same material.
The shell is fixedly connected with the air inlet flange and the air outlet flange on the shell in a full-welding mode.
The utility model has the advantages that: the filter element adopts a gap between the filter screen and the filter screen to form an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are arranged adjacently, the lower end of the air inlet channel is fixedly connected with a plug, the upper end of the air outlet channel is fixedly connected with a plug structure, and the plug is made of the same material as the filter screen, so that the flow rate of the filter element is increased, and the filtering area is also increased; meanwhile, the filter screen adopts a metal sintering screen, so that the conditions of poor toughness and easy fracture of the original ceramic material are improved.
Drawings
Fig. 1 is a sectional view of the present invention;
fig. 2 is a sectional view taken along line B-B of fig. 1 according to the present invention.
Wherein 1 is the air inlet flange, 2 is the gas outlet flange, 3 is the shell, 4 is the filter screen, 5 is the intake duct end cap, 6 is the gas off-take end cap, 7 is the intake duct, 8 is the gas off-take.
Detailed Description
As shown in fig. 1 and 2, the circular high-precision gas dust removal filter element comprises a shell 3, wherein both ends of the shell are respectively and fixedly connected with a gas inlet flange 1 and a gas outlet flange 2; a plurality of filter screens 4 are arranged in the shell 3, the filter screens 4 are in a circular cylindrical shape, and the circular cylindrical shape is concentrically sleeved; a gap between the filter screen 4 and the filter screen 4 forms an air inlet channel 7 and an air outlet channel 8, and the air inlet channel 7 and the air outlet channel 8 are arranged adjacently; the lower end of the air inlet channel 7 is fixedly connected with an air inlet channel plug 5, and the upper end of the air outlet channel 8 is fixedly connected with an air outlet channel plug 6.
The filter screen 4 is a metal sintering screen, and is welded into a circular cylinder shape through a plate-shaped metal sintering screen, and the welding mode is full welding.
The air inlet channel plug 5 is annular and is fixedly connected to the filter screen 4 in a full-welding mode; the air outlet channel plug 6 is annular and is fixedly connected to the filter screen 4 in a full-welding mode.
The air inlet channel plug 5 and the air outlet channel plug 6 are metal sintering nets and are made of the same material as the filter screen 4.
The shell is fixedly connected with the air inlet flange 1 and the air outlet flange 2 on the shell 3 in a full-welding mode. The filter screen 4 close to the outer shell 3 is welded with the upper end and the lower end of the outer shell in a full welding mode, and gas is prevented from flowing out of a gap between the filter screen 4 and the outer shell without being filtered.
The working process is as follows: the filter element is fixed on the filtering device through the air inlet flange 1 and the air outlet flange 2, and high-temperature gas to be filtered enters the air inlet channel 7 through the air inlet flange 1 and also enters the air outlet channel 8 through the air outlet channel plug 6; high-temperature gas reaches the position near the gas outlet flange 2 through a gas passage, a part of gas enters the gas outlet passage 8 through the filter screen 4, and a part of gas is discharged out of the filter element through the gas inlet passage plug 5; the high-temperature gas passing through the gas outlet channel plug 6 and the high-temperature gas discharged from the filter element through the gas inlet channel plug 5 are filtered. The filter element adopts a gap between the filter screen 4 and the filter screen 4 to form an air inlet channel 7 and an air outlet channel 8, the air inlet channel 7 and the air outlet channel 8 are arranged adjacently, the lower end of the air inlet channel 7 is fixedly connected with a plug, the upper end of the air outlet channel 8 is fixedly connected with a plug structure, and the plug is made of the same material as the filter screen 4, so that the flow rate of the filter element is increased, and the filtering area is also increased; meanwhile, the filter screen 4 adopts a metal sintering screen, so that the conditions of poor toughness and easy fracture of the original ceramic material are improved.
Claims (5)
1. The utility model provides a circular high accuracy gas dust removal filter core which characterized in that: the circular high-precision gas dust removal filter element comprises a shell, wherein both ends of the shell are respectively and fixedly connected with a gas inlet flange and a gas outlet flange; a plurality of filter screens are arranged in the shell, and are in a circular cylindrical shape which is concentrically sleeved; the gap between the filter screen and the filter screen forms an air inlet channel and an air outlet channel which are arranged adjacently; the lower end of the air inlet channel is fixedly connected with an air inlet channel plug, and the upper end of the air outlet channel is fixedly connected with an air outlet channel plug.
2. The circular high-precision gas dedusting filter element according to claim 1, characterized in that: the filter screen is a metal sintering screen, and is welded into a circular cylinder shape through a plate-shaped metal sintering screen, and the welding mode is full welding.
3. The circular high-precision gas dedusting filter element according to claim 2, characterized in that: the air inlet pipe plug is annular and is fixedly connected to the filter screen in a full-welding mode; the air outlet channel plug is annular and is fixedly connected to the filter screen in a full-welding mode.
4. The circular high-precision gas dedusting filter element according to claim 3, wherein: the air inlet channel plug, the air outlet channel plug and the filter screen are made of the same material.
5. The circular high-precision gas dedusting filter element according to claim 4, wherein: the shell is fixedly connected with the air inlet flange and the air outlet flange on the shell in a full-welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334107.4U CN211273971U (en) | 2019-08-16 | 2019-08-16 | Circular high-precision gas dust removal filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334107.4U CN211273971U (en) | 2019-08-16 | 2019-08-16 | Circular high-precision gas dust removal filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211273971U true CN211273971U (en) | 2020-08-18 |
Family
ID=72025447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921334107.4U Active CN211273971U (en) | 2019-08-16 | 2019-08-16 | Circular high-precision gas dust removal filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211273971U (en) |
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2019
- 2019-08-16 CN CN201921334107.4U patent/CN211273971U/en active Active
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