CN213599784U

CN213599784U - Atomizing drying tower waste heat utilization equipment

Info

Publication number: CN213599784U
Application number: CN202022503202.1U
Authority: CN
Inventors: 周婧; 张光明; 孙燕飞; 李昌永; 张东红
Original assignee: Jiyuan Yongxin Engineering Ceramics Co ltd
Current assignee: Jiyuan Yongxin Engineering Ceramics Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-02
Anticipated expiration: 2030-11-03

Abstract

The invention belongs to the mechanical field of engineering ceramic raw material manufacturing and producing equipment, and particularly relates to an atomization drying tower waste heat utilization device which comprises a charging bucket, 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 a jacketed hot water tank. An electric valve, a gas filter and a jacketed hot water tank are sequentially arranged on a pipeline connecting the cyclone dust collecting device and the wet dust collecting device; the jacketed hot water tank is connected with the charging bucket through a circulating water pipe; 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 spraying mode of spraying from top to bottom or spraying from bottom to top can be adopted according to different materials; utilize the waste heat in the tower to the water heating in the jacket formula hot-water tank, through circulating pipe to the raw materials heating in the feed tank, reach the purpose that improves atomization effect, improve production efficiency.

Description

Atomizing drying tower waste heat utilization equipment

Technical Field

The invention belongs to the mechanical field of engineering ceramic raw material manufacturing and producing equipment, and particularly relates to an atomization drying tower waste heat utilization device.

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 atomization effect is poor due to the fact that the temperature of raw materials is too low in winter, and the production efficiency is affected; the problem of low efficiency of a single atomizing granulation tower is adopted for producing products with different specifications, materials are wasted, exhaust air does not reach the standard, and the like.

Disclosure of Invention

In order to solve the problem, the utility model discloses a following technical scheme realizes, an atomizing drying tower waste heat utilization equipment, including material jar, double-layered shell type hot-water tank, the granulation tower, centrifugal diaphragm pump, the force pump, the air heater, centrifugal atomizer, the 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.

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.

And a jacketed hot water tank is arranged on a pipeline connecting the cyclone dust collecting device and the wet dust collecting device. When the temperature is too low in autumn and winter, the high-temperature gas treated by the cyclone dust collection device is communicated with the jacket layer of the jacket type hot water tank, the water in the jacket type hot water tank is heated by utilizing the waste heat of the atomization drying tower, and then the high-temperature gas is connected with the charging bucket through the circulating water pipe, so that the temperature of the slurry type raw material in the charging bucket is increased to about 40 ℃, and atomization is facilitated.

The wet dust collector has two layers, dust-containing gas discharged from the cyclone dust collector enters from the top of the lower layer of the warm dust collector, is sprayed by the porous spray nozzle 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 temperature type 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: an electric valve and a gas filter are arranged on a pipeline connecting the cyclone dust collecting device and the jacketed hot water tank.

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 granulation tower is provided with a vibrator.

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 the air to about 400 ℃, hot air is discharged from the outlet of the hot air pipe, according to the difference of materials, when a downstream flow (spraying from top to bottom) is needed, the slurry spray gun is disassembled, the centrifugal diaphragm pump and the centrifugal atomizer are started, the slurry type raw material is sprayed out in a fog shape from the centrifugal atomizer, and the dry noise is rapidly realized at high temperature; when the materials need to flow reversely (spray from bottom to top), a slurry spray gun is installed, 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. When the temperature is too low in autumn and winter, an electric valve and a gas filter which are arranged on a pipeline connecting the cyclone dust collection device and the jacketed hot water tank are started; high-temperature gas treated by the cyclone dust collection device is communicated with a jacket layer of the jacket type hot water tank, waste heat of the atomization drying tower is used for heating water in the jacket type hot water tank, and then the high-temperature gas is connected with a charging bucket through a circulating water pipe, so that the temperature of the slurry type raw material in the charging bucket is raised to about 40 ℃, and atomization is facilitated.

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 waste heat in the atomizing drying tower is utilized to heat the water in the jacket type hot water tank, and the raw materials in the material tank are heated through the circulating water pipe, so that the aim of improving the atomizing effect is fulfilled, and the production efficiency is improved; meanwhile, a 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 diagram of an embodiment of the present invention.

Description of the labeling: 1 charging bucket, 2 centrifugal diaphragm pumps, 3 pressure pumps, 4 centrifugal atomizers, 5 slurry spray guns, 6 hot air blowers, 7 hot air pipe outlets, 8 hot air guide hoods, 9 supports, 10 granulation towers, 11 vibrating sieves, 12 dustproof doors, 13 cyclone dust collection devices, 14 wind power adjusting devices, 15 wet dust removal devices, 16 filter layers, 17 material water outlets, 18 air outlets, 19 vibrators, 20 maintenance racks, 21 observation ports, 22 hot air pipes and 23 strip-shaped supports; 24 jacket type hot water tank; 25 is provided with an electric valve; 26 a gas filter; 27 circulating water pipes.

Detailed Description

As shown in fig. 1: the utility model provides an atomizing drying tower waste heat utilization equipment, 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 arrester installation 13, wet dedusting device 15, jacketed type hot-water tank 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 plurality of vibrators 19 are arranged on the granulation tower 10 and are used for vibrating materials accumulated on the tower wall; the prilling tower 10 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 jacketed hot water tank 24 is arranged on a pipeline connecting the cyclone dust collecting device 13 and the wet dust removing device 15. An electric valve 25 and a gas filter 26 are arranged on a pipeline connecting the cyclone dust collecting device 13 and the jacketed hot water tank 24; the jacketed hot water tank 24 is connected with the charging bucket 1 through a circulating water pipe 27. When the temperature is too low in autumn and winter, the high-temperature gas treated by the cyclone dust collection device 13 is communicated with the jacket layer of the jacket type hot water tank 24, and the waste heat of the granulation tower 10 is utilized to heat the water in the jacket type hot water tank 24, so that the temperature of the slurry type raw material in the charging bucket 1 is raised to about 40 ℃, and the atomization is facilitated.

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 detached, the centrifugal diaphragm pump 2 and the centrifugal atomizer 4 are opened, the slurry type raw material is sprayed out in a fog shape from the centrifugal atomizer 4, and the drying and the noise are rapidly carried out at high temperature; when the materials need to flow reversely (spray from bottom to top), a slurry spray gun 5 is installed, a pressure pump 3 and the slurry spray gun 5 are started, and the slurry type raw materials are 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. When the temperature is too low in autumn and winter, the electric valve 24 and the gas filter 25 are opened; the high-temperature gas treated by the cyclone dust collecting device 13 is communicated with the jacket layer of the jacket type hot water tank 24, the water in the jacket type hot water tank 24 is heated by the waste heat of the atomizing drying tower, and then the high-temperature gas is connected with the charging bucket 1 through the circulating water pipe 27, so that the temperature of the slurry type raw material in the charging bucket 1 is raised to about 40 ℃, and the atomization is facilitated.

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

1. A waste heat utilization device of an atomization drying tower comprises a material tank, a granulation tower, a centrifugal diaphragm pump, a hot air blower, a centrifugal atomizer, a cyclone dust collection device and a wet dust removal device, wherein the centrifugal atomizer is mounted at the center of the top of the granulation 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 device also comprises a pressure pump, a slurry spray gun and jacketed hot water; 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 jacketed hot water tank is arranged on a pipeline connecting the cyclone dust collecting device and the wet dust collecting device; an electric valve and a gas filter are arranged on a pipeline connecting the cyclone dust collecting device and the jacketed hot water tank; the jacketed hot water tank is connected with the charging bucket through a circulating water pipe; a vibrator is arranged on the granulation tower; the prilling tower is provided with an observation port.

2. The waste heat utilization device of the atomization drying tower as claimed in 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 waste heat utilization device of the atomization drying tower as claimed in claim 1, wherein: the hot air guide sleeve is a conical shell.

4. The waste heat utilization device of the atomization drying tower as claimed in 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.