CN213611235U - Spray drying granulation tower with anti-sticking inner wall - Google Patents
Spray drying granulation tower with anti-sticking inner wall Download PDFInfo
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- CN213611235U CN213611235U CN202022503201.7U CN202022503201U CN213611235U CN 213611235 U CN213611235 U CN 213611235U CN 202022503201 U CN202022503201 U CN 202022503201U CN 213611235 U CN213611235 U CN 213611235U
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- granulation tower
- tower
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- pipeline
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- 238000005469 granulation Methods 0.000 title claims abstract description 44
- 230000003179 granulation Effects 0.000 title claims abstract description 44
- 238000001694 spray drying Methods 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The invention belongs to the mechanical field of engineering ceramic raw material manufacturing and producing equipment, and particularly relates to an inner wall anti-sticking spray drying granulation tower which comprises a material tank, a granulation tower, a centrifugal diaphragm pump, a hot air blower, a centrifugal atomizer, a cyclone dust collection device, a wet dust removal device, a pressure pump, a slurry spray gun and an air blower. The charging bucket is respectively connected with the pressure pump and the centrifugal diaphragm pump; the middle part of the granulation tower is provided with a detachable slurry spray gun, and the slurry spray gun is connected with a pressure pump through a material conveying pipe; a circular pipeline is fixedly arranged on the outer wall of the top ring in the granulation tower, a plurality of horizontal and slender vent holes are formed in the lower part of the circular pipeline slightly towards the center, and the outer part of the circular pipeline is connected with an air blower through a pipeline; the pressure spraying mode of concurrent flow (spraying from top to bottom) or countercurrent flow (spraying from bottom to top) can be adopted according to different materials; an air blower and a circular ring type pipeline are used for forming an air curtain, and the vaporific raw materials are blown away from the inner wall of the granulation tower, so that the production efficiency is improved, and the cleaning times are reduced.
Description
Technical Field
The invention belongs to the mechanical field of engineering ceramic raw material manufacturing production equipment, and particularly relates to an inner wall anti-sticking spray drying granulation tower.
Background
The drying and granulating technology has a wide service field, and is a technology with scientific experimental sciences across subjects and industries in the face of numerous industries such as ceramic raw materials, metallurgical auxiliary materials, powder materials and the like, different materials with different physicochemical properties, product quality and other aspects. Spray drying granulation technology is widely used in industrial fields at present, but many problems are still not solved in actual production. For example, the inner wall of the drying and granulating tower is easy to adhere to materials, so that the problems of raw material waste and difficulty in cleaning are caused; the problem of low efficiency of a single atomizing granulation tower for producing products with different specifications is solved, materials are wasted, exhaust air does not reach the standard, and in order to solve the problems, an inner wall anti-sticking spray drying granulation tower is designed.
Disclosure of Invention
In order to solve the problem, the utility model discloses a following technical scheme realizes, an antiseized spray drying prilling tower of inner wall, including material jar, prilling tower, centrifugal diaphragm pump, force pump, air-heater, air-blower, centrifugal atomizer, thick liquids spray gun, whirlwind dust arrester installation, wet dust collector. The material tank is filled with slurry type raw materials, and is respectively connected with the pressure pump and the centrifugal diaphragm pump to provide power for the slurry raw materials.
A centrifugal atomizer is mounted at the center of the top of the granulation tower and is connected with a centrifugal diaphragm pump through a conveying pipe; the middle part of the granulation tower is provided with a detachable slurry spray gun, and the slurry spray gun is connected with a pressure pump through a conveying pipe. The pressure spraying mode of concurrent flow (spraying from top to bottom) or countercurrent flow (spraying from bottom to top) can be adopted according to different materials.
A circular pipeline is fixedly arranged on the outer wall of the top ring in the granulation tower, a plurality of horizontal and slender vent holes are formed in the lower part of the circular pipeline slightly towards the center, and the outer part of the circular pipeline is connected with an air blower through a pipeline; after the blower is started, outside air is compressed and then is sprayed out from a plurality of horizontal and slender vent holes on the circular pipeline, and an air curtain is formed near the inner wall of the granulation tower; when the centrifugal atomizer works, the raw materials are atomized and then sprayed out, the original direction is changed under the action of the air curtain, and the raw materials move towards the center of the granulation tower, so that the adhesion of the materials on the inner wall of the granulation tower is reduced, the production efficiency is improved, and the cleaning times are reduced.
The hot air blower is connected with the granulation tower through a hot air pipe, the hot air pipe is arranged at the slightly downward part of the middle end in the granulation tower, the outlet of the hot air pipe is upward, and a hot air guide sleeve is arranged at the outlet of the hot air pipe.
The cyclone dust collecting device is arranged at the lower end of the granulation tower and is connected with the wet dust collecting device.
The wet dust collector is two-layer, the dust-containing gas discharged from the cyclone dust collector enters from the top of the lower layer of the wet dust collector, is sprayed by the porous spray head to enter the sieve tube, is sprayed out at high speed under the attraction of negative pressure through the sieve pores, and collides with bubbles in water at high speed to break in water. The water is boiled under the impact of the air flow, thereby achieving the purpose of full water bath of the dust-containing gas. The dust-containing gas sprayed from the lower layer of the wet dust removal device is filtered by the solid filter layer on the upper layer and then is discharged after reaching the standard.
Preferably, the method comprises the following steps: the main substances of the solid filtering layer are sponge and active carbon.
Preferably, the method comprises the following steps: the hot air guide sleeve is a conical shell.
Preferably, the method comprises the following steps: the prilling tower is provided with a plurality of vibrators.
Preferably, the method comprises the following steps: the prilling tower is provided with an observation port.
Preferably, the method comprises the following steps: and a wind power adjusting device is arranged on a pipeline connecting the cyclone dust collecting device and the wet dust collecting device.
Preferably, the method comprises the following steps: the material water outlet of the wet dust removal device is connected with the raw material stirring water supply equipment, so that the material water containing dust in the wet dust removal device can be reused, and the material waste is reduced.
This material is with neotype work flow is: the hot air blower heats air to about 400 ℃, hot air is discharged from an outlet of the hot air pipe, according to the difference of materials, when a downstream flow (spraying from top to bottom) is needed, a slurry spray gun is disassembled, an air blower, a centrifugal diaphragm pump and a centrifugal atomizer are started, external air is compressed by the air blower and then is sprayed out from a plurality of horizontal and slender vent holes on a circular pipeline, and an air curtain is formed near the inner wall of the granulation tower; when the centrifugal atomizer works, the slurry type raw material is sprayed out from the centrifugal atomizer in a fog shape, changes the original direction under the action of an air curtain, moves towards the center of the granulation tower and is rapidly dried at high temperature; when the materials need to flow reversely (spray from bottom to top), a slurry spray gun is installed, an air blower, a pressure pump and the slurry spray gun are started, and the slurry type raw materials are sprayed out in a pressure spraying mode. The hot air is discharged after being filtered by the cyclone dust collecting device and the wet dust removing device.
The utility model has the advantages that: according to different materials, a pressure spraying mode of concurrent flow (spraying from top to bottom) or countercurrent flow (spraying from bottom to top) can be adopted, so that the production efficiency can be improved. The air blower and the circular ring type pipeline are used, so that air is sprayed out of the horizontal long and thin air vent to form an air curtain, and the vaporific raw material is blown away from the inner wall of the granulation tower, so that the adhesion material of the inner wall of the granulation tower is reduced, the production efficiency is improved, and the cleaning frequency is reduced. The material water outlet of the wet dust removal device is connected with the raw material stirring water supply equipment, so that the material water containing dust in the wet dust removal device can be reused, and the material waste is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the circular pipe of the present invention;
description of the labeling: 1 charging bucket, 2 centrifugal diaphragm pumps, 3 force pumps, 4 centrifugal atomizers, 5 thick liquids spray guns, 6 air heaters, 7 hot-blast main exports, 8 hot-blast kuppe, 9 supports, 10 prilling towers, 11 shale shakers, 12 dust doors, 13 whirlwind dust arrester installation, 14 wind-force adjusting device, 15 wet dust collector, 16 filter layers, 17 material water outlets, 18 air outlets, 19 vibrators, 20 maintenance racks, 21 inspection ports, 22 hot-blast main, 23 strip type supports, 24 air-blower, 25 circular pipeline, 26 air pipe, 27 ventilation holes.
Detailed Description
As shown in fig. 1: the utility model provides an antiseized spray drying prilling tower of inner wall, includes material jar 1, prilling tower 10, centrifugal diaphragm pump 2, force pump 3, air heater 6, centrifugal atomizer 4, thick liquids spray gun 5, cyclone dust collector 13, wet dedusting device 15, air-blower 24. The material tank 1 is internally provided with slurry type raw materials, and the material tank 1 is respectively connected with the pressure pump 3 and the centrifugal diaphragm pump 2 to provide power for the slurry raw materials.
The upper part of the granulation tower 10 is cylindrical, the lower part of the granulation tower 10 is a conical tower body, the granulation tower 10 is fixedly arranged on the support 9, and a plurality of strip-shaped supports 23 are arranged between the conical tower body of the granulation tower 10 and the support 9.
The bottom of the prilling tower 10 is provided with a vibrating screen 11, the periphery and the top of the bracket 9 are closed, and the dust-proof door 12 is arranged.
A centrifugal atomizer 4 is arranged at the center of the top of the granulation tower 10, and the centrifugal atomizer 4 is connected with a centrifugal diaphragm pump 2 through a material conveying pipe; the left side of the middle part of the granulation tower 10 is provided with a detachable slurry spray gun 5, and the slurry spray gun 5 is connected with the pressure pump 3 through a conveying pipe. The pressure spraying mode of concurrent flow (spraying from top to bottom) or countercurrent flow (spraying from bottom to top) can be adopted according to different materials.
A circular pipeline 25 is fixedly installed on the outer wall of the ring at the top in the prilling tower 10, a plurality of horizontal and slender vent holes 27 are formed in the lower part of the circular pipeline 25 and slightly towards the center, and the outer part of the circular pipeline 25 is connected with an air blower 24 through a ventilation pipeline 26; after the blower 24 is started, the compressed outside air is sprayed out from a plurality of vent holes 27 on the circular pipeline 25 to form an air curtain near the inner wall of the granulation tower 10; when the centrifugal atomizer 4 works, the raw materials are atomized and then sprayed out, the original direction is changed under the action of the air curtain, and the raw materials move towards the center of the granulation tower 10, so that the adhesion of the materials on the inner wall of the granulation tower 10 is reduced, the production efficiency is improved, and the cleaning frequency is reduced.
The granulation tower 10 is provided with a vibrator 19 for vibrating the materials accumulated on the tower wall; the prilling tower is provided with an inspection port 21.
The hot air blower 6 is connected with the granulation tower 10 through a hot air pipe 22, the hot air pipe 22 is installed at the slightly downward part of the middle end in the granulation tower, the outlet of the hot air pipe 22 is upward, a hot air guide cover 8 is installed at the outlet of the hot air pipe 22, and the hot air guide cover 8 is a conical shell.
The cyclone dust collecting device 13 is arranged at the lower end of the prilling tower 10, and the cyclone dust collecting device 13 is connected with the wet dust removing device 15 through a pipeline. A wind power adjusting device 14 is arranged on a pipeline connecting the cyclone dust collecting device 13 and the wet dust removing device 15.
The dust-containing gas discharged from the cyclone dust collection device 13 enters from the top end of the wet dust collection device 15, is sprayed by the porous spray head to enter the sieve tube, is sprayed at high speed under the attraction of negative pressure by the sieve pores, and collides with bubbles in water at high speed to break the bubbles in the water. The water is boiled under the impact of the air flow, thereby achieving the purpose of full water bath of the dust-containing gas. The dust-containing gas sprayed by the wet dust removal device 15 is filtered again by the solid filter layer 16 and then is discharged after reaching the standard; the main substances of the filter layer 16 are sponge and activated carbon.
The right side of the bottom end of the wet dust removal device 15 is provided with a material water outlet 17, and the material water outlet 17 is connected with a raw material stirring water supply device, so that the material water containing dust in the wet dust removal device 15 can be reused, and the material waste is reduced.
This material is with neotype work flow is: the hot air blower 6 heats the air to about 400 ℃, hot air is discharged from the outlet of the hot air pipe 22, according to the difference of materials, when a downstream flow (from top to bottom spraying) is needed, the slurry spray gun 5 is disassembled, the air blower 24, the centrifugal diaphragm pump 2 and the centrifugal atomizer 4 are started, the outside air is compressed by the air blower 24 and then is sprayed out from a plurality of horizontal and slender vent holes 27 on the circular pipeline 26, and an air curtain is formed near the inner wall of the granulation tower 10; when the centrifugal atomizer 4 works, the slurry type raw material is atomized and sprayed out of the centrifugal atomizer 4, changes the original direction under the action of an air curtain, moves towards the center of the granulation tower 10, and is rapidly dried at high temperature; when the material needs to flow reversely (spray from bottom to top), the slurry spray gun 5 is installed, the air blower 24, the pressure pump 3 and the slurry spray gun 5 are started, and the slurry type material is sprayed out in a pressure spraying mode. The hot air passes through the cyclone dust collection device 13 and the wet dust collection device 15, is filtered by the filter layer 16 and is discharged.
It is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. In addition, after reading the teaching of the present invention, the skilled person can make various modifications or changes to the present invention, and these equivalents also fall within the scope defined by the appended claims of the present application.
Claims (4)
1. An inner wall anti-sticking spray drying prilling tower comprises a material tank, a prilling tower, a centrifugal diaphragm pump, a hot air blower, a centrifugal atomizer, a cyclone dust collecting device and a wet dust removing device, wherein the centrifugal atomizer is mounted at the center of the top of the prilling tower and is connected with the centrifugal diaphragm pump through a material conveying pipe; the hot air blower is connected with the granulation tower through a hot air pipe; the cyclone dust collecting device is arranged at the lower end of the granulation tower and is connected with the wet dust collecting device; the method is characterized in that: the slurry spraying device also comprises a pressure pump, a slurry spraying gun and a blower; the charging bucket is respectively connected with the pressure pump and the centrifugal diaphragm pump; the middle part of the granulation tower is provided with a detachable slurry spray gun, and the slurry spray gun is connected with a pressure pump through a material conveying pipe; the hot air pipe is arranged at the slightly downward part of the middle end in the granulation tower, the outlet of the hot air pipe is upward, and the outlet of the hot air pipe is provided with a hot air guide sleeve; a circular pipeline is fixedly arranged on the outer wall of the top ring in the granulation tower, a plurality of horizontal and slender vent holes are formed in the lower part of the circular pipeline slightly towards the center, and the outer part of the circular pipeline is connected with an air blower through a pipeline; a vibrator is arranged on the granulation tower; the prilling tower is provided with an observation port.
2. The inner wall anti-sticking spray drying prilling tower of claim 1, wherein: the wet dust collection device is divided into two layers, dust-containing gas discharged from the cyclone dust collection device enters from the top end of the lower layer of the wet dust collection device, and the dust-containing gas sprayed from the lower layer of the wet dust collection device is filtered by the solid filter layer on the upper layer and then is discharged after reaching the standard; the main substances of the solid filter layer are sponge and active carbon; the material water outlet of the wet dust collector is connected with the stirring water supply equipment of the raw materials.
3. The inner wall anti-sticking spray drying prilling tower of claim 1, wherein: the hot air guide sleeve is a conical shell.
4. The inner wall anti-sticking spray drying prilling tower of claim 1, wherein: and a wind power adjusting device is arranged on a pipeline connecting the cyclone dust collecting device and the wet dust collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022503201.7U CN213611235U (en) | 2020-11-03 | 2020-11-03 | Spray drying granulation tower with anti-sticking inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022503201.7U CN213611235U (en) | 2020-11-03 | 2020-11-03 | Spray drying granulation tower with anti-sticking inner wall |
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| Publication Number | Publication Date |
|---|---|
| CN213611235U true CN213611235U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022503201.7U Expired - Fee Related CN213611235U (en) | 2020-11-03 | 2020-11-03 | Spray drying granulation tower with anti-sticking inner wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155455A (en) * | 2022-07-05 | 2022-10-11 | 山西东锦肥业有限公司 | Device for preventing magnesium nitrate granule wall built-up |
-
2020
- 2020-11-03 CN CN202022503201.7U patent/CN213611235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155455A (en) * | 2022-07-05 | 2022-10-11 | 山西东锦肥业有限公司 | Device for preventing magnesium nitrate granule wall built-up |
| CN115155455B (en) * | 2022-07-05 | 2024-04-26 | 山西东锦肥业有限公司 | Device for preventing magnesium nitrate particles from hanging on wall |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |