CN211302545U - Dry-method cement rotary kiln tail gas dust removal device - Google Patents
Dry-method cement rotary kiln tail gas dust removal device Download PDFInfo
- Publication number
- CN211302545U CN211302545U CN201922238366.3U CN201922238366U CN211302545U CN 211302545 U CN211302545 U CN 211302545U CN 201922238366 U CN201922238366 U CN 201922238366U CN 211302545 U CN211302545 U CN 211302545U
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- Prior art keywords
- fixed
- rotary kiln
- dust
- dust removal
- removal device
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- 239000000428 dust Substances 0.000 title claims abstract description 106
- 239000004568 cement Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 31
- 230000000694 effects Effects 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a dry-method cement rotary kiln tail gas dust removal device, which comprises an installation tank body and a raw material homogenizing warehouse, wherein a rotary kiln is fixed on the side wall of the installation tank body; the rotary kiln is connected with a preheating pipe; the preheating pipe is connected with a kiln inlet hoister; a distributor box is fixed on the raw material homogenizing warehouse; the distributor box is fixedly connected with the kiln entering hoister through a conveying pipe; the distributor box is connected with a dust removal device; the dust removing device is connected with an air exhaust barrel; the side wall of the dust removal device is fixedly connected with a dust conveying pipe; a second welding rod is fixed on the inner wall of the exhaust cylinder; and a motor is fixed on the second welding rod. This neotype beneficial effect is that dust removal effect is good.
Description
Technical Field
The utility model relates to a dust collector field, in particular to dry process cement rotary kiln tail gas dust collector.
Background
At present, the raw material homogenization in the domestic and foreign cement industry generally adopts a continuous raw material homogenization warehouse. The homogenization principle is that a plurality of material layers are circularly cut for a long period of time in a mode of feeding in a flat mode at the top of the silo and single-circulating cutting and discharging in a gravity funnel flow in the vertical direction below the silo, and then raw materials are homogenized and discharged out of the silo through pneumatic stirring. The technological effect of the raw material homogenizing warehouse in the whole production line is to homogenize the raw material components discharged from the grinding warehouse to ensure the uniform and stable height of the raw material components entering the kiln, thereby stabilizing the normal thermal regulation of the kiln, ensuring the long-term safe operation of a firing system, improving the clinker quality and reducing the coal consumption of clinker.
Therefore, it is necessary to design a dry-method cement rotary kiln tail gas dust removal device with good filtering effect.
Disclosure of Invention
The utility model provides a dry cement rotary kiln tail gas dust collector can solve prior art, the poor problem of filter effect.
The utility model provides a dry-method cement rotary kiln tail gas dust removal device, which comprises an installation tank body and a raw material homogenizing warehouse, wherein a rotary kiln is fixed on the side wall of the installation tank body; the rotary kiln is connected with a preheating pipe; the preheating pipe is connected with a kiln inlet hoister; a distributor box is fixed on the raw material homogenizing warehouse; the distributor box is fixedly connected with the kiln entering hoister through a conveying pipe; the distributor box is connected with a dust removal device; the dust removing device is connected with an air exhaust barrel; the side wall of the dust removal device is fixedly connected with a dust conveying pipe; a second welding rod is fixed on the inner wall of the exhaust cylinder; a motor is fixed on the second welding rod; the output end of the motor is connected with an air flow shifting blade; limiting check rings are fixed on the two inner walls of the exhaust barrel; a dust filter screen is arranged between the two limiting check rings; the dust removing device comprises a cone; a spiral inlet pipe is fixed at the upper end of the cone; a spiral outlet pipe is fixed on the spiral inlet pipe; a powder gas outlet is fixed on the spiral outlet pipe; a powder gas inlet is fixed on the side wall of the spiral outlet pipe; a powder hopper is fixed at the lower end of the cone; a first welding rod is fixed on the inner wall of the powder hopper; an electric motor is fixed on the first welding rod; a vortex cover is fixed on the electric motor.
Preferably, the powder outlet is fixedly connected with the exhaust cylinder.
Preferably, a dust conveying pipe is fixed at the powder gas inlet; the other end of the dust conveying pipe is fixedly connected with the raw material homogenizing warehouse.
Preferably, the powder hopper is fixedly connected with the distributor box.
Preferably, the powder hopper is provided with a through hole.
Preferably, the distributor box is provided with a groove corresponding to the through hole.
Preferably, the dust removing device, the distributor box and the exhaust cylinder are communicated with each other.
Preferably, a dust filter screen is clamped between the two limiting check rings.
The utility model provides a beneficial effect as follows.
1. The tail gas dust removal device for the dry-method cement rotary kiln is provided with a distributor box, a dust removal device, a motor, an air flow shifting blade, a dust filter screen and a limiting retainer ring, and gas in the rotary kiln is conveyed into the distributor box through a preheating pipe, a kiln inlet lifting machine and a conveying pipe; the dust removing device, the distributor box and the air exhaust cylinder are communicated; because the electric motor and the vortex cover are arranged in the dust removing device, the electric motor drives the vortex cover to rotate, so that the gas in the distributor box is introduced into the dust removing device, and then the gas is rotated by the electric motor and the vortex cover under the action of gravity and centrifugal force, and dust contained in the gas falls into the raw material homogenizing warehouse; carry out the primary filtration to gas, gas after the primary filtration can enter into the section of thick bamboo of airing exhaust under the effect that the leaf was dialled to motor and air current, and then through the section of thick bamboo exhaust the device of airing exhaust, and gas after the primary filtration can carry out the secondary filtration through the dust filter screen to the dust in the gas when getting into the section of thick bamboo of airing exhaust, when avoiding gas to pass through the section of thick bamboo exhaust the device of airing exhaust, and the doping has the dust, and the filter effect is good.
2. The tail gas dust removal device of the dry cement rotary kiln is connected with an exhaust barrel; a motor is fixed on the second welding rod; the output end of the motor is connected with an air flow shifting blade; a dust filter screen is clamped between the limiting retainer rings; when the dust filter screen is full of dust, the dust filter screen can be detached from the limiting check ring, a new dust filter screen is replaced, gas is continuously filtered, the dust filter screen is prevented from being full of dust, the filter holes in the dust filter screen are blocked, the filter effect is influenced, and the filter effect is good.
Drawings
Fig. 1 is the structure schematic diagram of a dry-process cement rotary kiln tail gas dust removal device provided by the utility model.
Fig. 2 is the schematic structural diagram of the dust removing device of the dry-method cement rotary kiln tail gas dust removing device provided by the utility model.
Fig. 3 is the schematic view of the structure of the exhaust duct of the dry-method cement rotary kiln tail gas dust removal device provided by the utility model.
Fig. 4 is the internal structure schematic diagram of the installation tank of the dry-method cement rotary kiln tail gas dust removal device provided by the utility model.
Description of reference numerals: 1, installing a tank body; 2-rotary kiln; 3-preheating pipe; 4-feeding into a kiln lifter; 5-conveying pipe; 6-a distributor box; 7-raw meal homogenizing warehouse; 8-a dust conveying pipe; 9-a dust removal device; 91-taper; 92-a helical inlet tube; 93-powder gas inlet; 94-helical outlet pipe; 95-powder gas outlet; 96-powder hopper; 97-vortex cover; 98-an electric motor; 99-a first welding rod; 10-an exhaust duct; 11-a second welding rod; 12-a motor; 13-wind flow stirring blades; 14-dust filter screen; 15-limiting retainer ring.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 4, the dry-method cement rotary kiln tail gas dust removal device provided by the embodiment of the present invention comprises an installation tank body 1 and a raw material homogenizing warehouse 7, wherein a rotary kiln 2 is fixed on the side wall of the installation tank body 1; the rotary kiln 2 is connected with a preheating pipe 3; the preheating pipe 3 is connected with a kiln inlet elevator 4; a distributor box 6 is fixed on the raw material homogenizing warehouse 7; the distributor box 6 is fixedly connected with the kiln entering elevator 4 through a conveying pipe 5; the distributor box 6 is connected with a dust removal device 9; the dust removing device 9 is connected with an air exhaust barrel 10; the side wall of the dust removing device 9 is fixedly connected with a dust conveying pipe 8; a second welding rod 11 is fixed on the inner wall of the exhaust barrel 10; a motor 12 is fixed on the second welding rod 11; the output end of the motor 12 is connected with an airflow shifting blade 13; limiting retainer rings 15 are fixed on the two inner walls of the exhaust barrel 10; a dust filter screen 14 is arranged between the two limiting retainer rings 15; the dust removing device 9 comprises a cone 91; a spiral inlet pipe 92 is fixed at the upper end of the cone 91; a spiral outlet pipe 94 is fixed on the spiral inlet pipe 92; a powder gas outlet 95 is fixed on the spiral outlet pipe 94; a powder gas inlet 93 is fixed on the side wall of the spiral outlet pipe 94; a powder hopper 96 is fixed at the lower end of the cone 91; a first welding rod 99 is fixed on the inner wall of the powder hopper 96; an electric motor 98 is fixed on the first welding rod 99; a swirl cover 97 is fixed to the electric motor 98.
In this embodiment, the powder outlet 95 is fixedly connected to the exhaust duct 10.
In this embodiment, the dust conveying pipe 8 is fixed to the powder gas inlet 93; the other end of the dust conveying pipe 8 is fixedly connected with the raw material homogenizing warehouse 7.
In this embodiment, the powder hopper 96 is fixedly connected to the dispenser box 6.
In this embodiment, the powder hopper 96 is provided with a through hole.
In this embodiment, the distributor box 6 is provided with a groove corresponding to the through hole.
In this embodiment, the dust removing device 9, the distributor box 6 and the exhaust duct 10 are communicated with each other.
In this embodiment, a dust filter screen 14 is clamped between the two limiting retainer rings 15.
The working principle is as follows: firstly, gas in a rotary kiln 2 is conveyed into a distributor box 6 through a preheating pipe 3, a kiln inlet lifting machine 4 and a conveying pipe 5; the dust removing device 9, the distributor box 6 and the exhaust cylinder 10 are communicated; because the electric motor 98 and the vortex cover 97 are arranged in the dust removing device 9, the electric motor 98 drives the vortex cover 97 to rotate, so that the gas in the distributor box 6 is introduced into the dust removing device 9, and then the gas rotates through the electric motor 98 and the vortex cover 97 under the action of gravity and centrifugal force, and dust contained in the gas falls into the raw material homogenizing silo 7; carry out the primary filtration to gas, gas after the primary filtration can enter into exhaust section of thick bamboo 10 under motor 12 and air current dial leaf 13's effect, and then through exhaust section of thick bamboo 10 discharge the device, gas after the primary filtration can carry out the secondary filtration through dust filter screen 14 to the dust in the gas when getting into exhaust section of thick bamboo 10, when avoiding gas to pass through exhaust section of thick bamboo 10 discharge the device.
The technical effects are as follows: in the dry-method cement rotary kiln tail gas dust removal device, a distributor box 6 is connected with a dust removal device 9; the dust removing device 9 comprises a cone 91; a spiral inlet pipe 92 is fixed at the upper end of the cone 91; a spiral outlet pipe 94 is fixed on the spiral inlet pipe 92; a powder gas outlet 95 is fixed on the spiral outlet pipe 94; a powder gas inlet 93 is fixed on the side wall of the spiral outlet pipe 94; a powder hopper 96 is fixed at the lower end of the cone 91; a first welding rod 99 is fixed on the inner wall of the powder hopper 96; an electric motor 98 is fixed on the first welding rod 99; a swirl cover 97 is fixed to the electric motor 98; by arranging the distributor box 6, the dust removal device 9, the motor 12, the air flow shifting blade 13, the dust filter screen 14 and the limiting retainer ring 15, the gas in the rotary kiln 2 is conveyed into the distributor box 6 through the preheating pipe 3, the kiln inlet lifter 4 and the conveying pipe 5; the dust removing device 9, the distributor box 6 and the exhaust cylinder 10 are communicated; because the electric motor 98 and the vortex cover 97 are arranged in the dust removing device 9, the electric motor 98 drives the vortex cover 97 to rotate, so that the gas in the distributor box 6 is introduced into the dust removing device 9, and then the gas rotates through the electric motor 98 and the vortex cover 97 under the action of gravity and centrifugal force, and dust contained in the gas falls into the raw material homogenizing silo 7; carry out the primary filtration to gas, gas after the primary filtration is dialled under the effect of leaf 13 at motor 12 and air current, gas after the primary filtration can enter into exhaust section of thick bamboo 10, then through exhaust section of thick bamboo 10 discharge the device, gas after the primary filtration can carry out the secondary filtration through dust filter screen 14 to the dust in the gas when getting into exhaust section of thick bamboo 10, when avoiding gas to discharge the device through exhaust section of thick bamboo 10, the doping has the dust, and the filter effect is good. In the dry-method cement rotary kiln tail gas dust removal device, a dust removal device 9 is connected with an exhaust barrel 10; a motor 12 is fixed on the second welding rod 11; the output end of the motor 12 is connected with an airflow shifting blade 13; a dust filter screen 14 is clamped between the limiting retainer rings 15; when dust filter screen 14 is filled with dust, can dismantle dust filter screen 14 from spacing retaining ring 15, change new dust filter screen 14 and continue to filter gas, avoid dust filter screen 14 to be filled with dust, lead to the filtration pore jam on the dust filter screen 14, and influence the filter effect, the filter effect is good.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (8)
1. The dry-method cement rotary kiln tail gas dust removal device is characterized in that: the device comprises an installation tank body (1) and a raw material homogenizing warehouse (7), wherein a rotary kiln (2) is fixed on the side wall of the installation tank body (1); the rotary kiln (2) is connected with a preheating pipe (3); the preheating pipe (3) is connected with a kiln inlet hoister (4); a distributor box (6) is fixed on the raw material homogenizing warehouse (7); the distributor box (6) is fixedly connected with the kiln entering hoister (4) through a conveying pipe (5); the distributor box (6) is connected with a dust removal device (9); the dust removing device (9) is connected with an air exhaust barrel (10); the side wall of the dust removing device (9) is fixedly connected with a dust conveying pipe (8); a second welding rod (11) is fixed on the inner wall of the exhaust barrel (10); a motor (12) is fixed on the second welding rod (11); the output end of the motor (12) is connected with an airflow shifting blade (13); limiting retainer rings (15) are fixed on the two inner walls of the exhaust barrel (10); a dust filter screen (14) is arranged between the two limiting retainer rings (15); the dust removal device (9) comprises a cone (91); a spiral inlet pipe (92) is fixed at the upper end of the cone (91); a spiral outlet pipe (94) is fixed on the spiral inlet pipe (92); a powder gas outlet (95) is fixed on the spiral outlet pipe (94); a powder gas inlet (93) is fixed on the side wall of the spiral outlet pipe (94); a powder hopper (96) is fixed at the lower end of the cone (91); a first welding rod (99) is fixed on the inner wall of the powder hopper (96); an electric motor (98) is fixed on the first welding rod (99); a swirl cover (97) is fixed to the electric motor (98).
2. The dry method cement rotary kiln tail gas dust removal device as claimed in claim 1, wherein the powder gas outlet (95) is fixedly connected with the exhaust barrel (10).
3. The dry method cement rotary kiln tail gas dust removal device as claimed in claim 1, wherein the dust conveying pipe (8) is fixed to the powder gas inlet (93); the other end of the dust conveying pipe (8) is fixedly connected with the raw material homogenizing warehouse (7).
4. The dry method cement rotary kiln exhaust gas dedusting device as claimed in claim 1, characterized in that the powder hopper (96) is fixedly connected with the distributor box (6).
5. The dry method cement rotary kiln exhaust gas dust removing device as claimed in claim 1, wherein said powder hopper (96) is provided with a through hole.
6. The dry method cement rotary kiln tail gas dust removal device as claimed in claim 5, wherein the distributor box (6) is provided with a groove adapted to the through hole.
7. The dry method cement rotary kiln tail gas dust removal device as claimed in claim 1, wherein the dust removal device (9), the distributor box (6) and the exhaust funnel (10) are communicated with each other.
8. The dry method cement rotary kiln tail gas dust removal device as claimed in claim 5, wherein a dust filter screen (14) is clamped between the two limit retainer rings (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922238366.3U CN211302545U (en) | 2019-12-13 | 2019-12-13 | Dry-method cement rotary kiln tail gas dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922238366.3U CN211302545U (en) | 2019-12-13 | 2019-12-13 | Dry-method cement rotary kiln tail gas dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211302545U true CN211302545U (en) | 2020-08-21 |
Family
ID=72079047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922238366.3U Expired - Fee Related CN211302545U (en) | 2019-12-13 | 2019-12-13 | Dry-method cement rotary kiln tail gas dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211302545U (en) |
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2019
- 2019-12-13 CN CN201922238366.3U patent/CN211302545U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |