CN213671073U

CN213671073U - Dust removal and recovery device for spray tower

Info

Publication number: CN213671073U
Application number: CN202022424034.7U
Authority: CN
Inventors: 朱方林; 刘传军; 雷勇; 何子权; 林宝发
Original assignee: Guangdong Jia Mei Ceramic Co; Dongguan City Wonderful Ceramics Industrial Park Co Ltd
Current assignee: Guangdong Jia Mei Ceramic Co; Dongguan City Wonderful Ceramics Industrial Park Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-13
Anticipated expiration: 2030-10-27

Abstract

The utility model provides a dust removal recovery unit for spray tower, include: the spraying tower and a dust remover communicated with the spraying tower; a discharge port is formed in the spraying tower, and a spraying conveying belt is arranged below the discharge port; a recovery material port is formed in the dust remover, and a fine powder conveying belt is arranged below the recovery material port; the fine powder conveying belt is used for conveying the recovered fine powder in the dust remover to the material spraying conveying belt. The utility model discloses a retrieve the direct preparation farine conveyer belt in material mouth below at the dust remover, directly carry the spraying material conveyer belt of spray tower below with the prescription farine according to the ratio and go into the storehouse and use, realized direct recovery, high efficiency, energy-conservation, swift, environmental protection can not produce the secondary raise dust, has improved the efficiency of retrieving the farine.

Description

Dust removal and recovery device for spray tower

Technical Field

The utility model belongs to the technical field of the ceramic technology and specifically relates to a dust removal recovery unit for spray tower.

Background

The bag-type dust collector is a dry dust filtering device, and is used for absorbing and collecting dust generated at a part which is easy to concentrate and generate dust in a spraying tower process in a workshop and further processing the dust. At present traditional processing mode is to place hopper arrangement and catches the dust of collection below sack cleaner dust outlet, then uses fork truck to transport the dust and regard as a recovery raw materials to use to ball-milling workshop, when using this kind of processing mode to handle the recovery dust, all produce more serious secondary raise dust very easily at the in-process of fork truck transportation and batching, form secondary dust pollution, this no matter to the environment or to workshop workman's healthy, all be very unfavorable.

Therefore, the prior art has defects and needs to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a dust removal recovery unit for spray tower, aim at solving among the prior art and produce more serious secondary raise dust very easily at the in-process that uses fork truck to transport, form secondary dust pollution's problem.

The utility model provides a technical scheme that technical problem adopted as follows:

a dust removal recovery apparatus for a spray tower, comprising: the spraying tower and a dust remover communicated with the spraying tower; a discharge port is formed in the spraying tower, and a spraying conveying belt is arranged below the discharge port; a recovery material port is formed in the dust remover, and a fine powder conveying belt is arranged below the recovery material port; the fine powder conveying belt is used for conveying the recovered fine powder in the dust remover to the material spraying conveying belt.

In one implementation mode, the dust remover is a bag-type dust remover, and the recovery material port is connected with a recovery material pipe; one end of the fine powder conveying belt is arranged below the recycling pipe.

In one implementation mode, a blanking hopper is arranged at one end, close to the material spraying conveying belt, of the fine powder conveying belt, and the blanking hopper is arranged above the material spraying conveying belt.

In one implementation mode, the dedusting recovery device is further provided with a screw machine and a slurry dissolving pool; the dust remover is provided with a slurry melting port, and the slurry melting port, the screw machine and the slurry melting tank are communicated in sequence.

In one implementation, the dust removal recovery device further includes: a dust collection air pipe; the dust collection device is characterized in that a first dustproof shed is arranged on the material spraying conveying belt, a second dustproof shed is arranged on the fine powder conveying belt, a first dust collection pipe is arranged on the first dustproof shed, a second dust collection pipe is arranged on the second dustproof shed, and the first dust collection pipe and the second dust collection pipe are connected with the dust collection air pipe.

In one implementation mode, a third dust suction pipe is arranged on the discharging hopper and connected with the dust suction air pipe.

In one implementation mode, a first pneumatic valve is arranged on the recovery material port, and a second pneumatic valve is arranged on the slurry melting port.

In one implementation mode, the spraying tower and the dust remover are arranged in parallel, the fine powder conveying belt is arranged between the spraying tower and the dust remover, and the height of one end, close to the dust remover, of the fine powder conveying belt is lower than that of one end, close to the spraying tower, of the fine powder conveying belt.

In one implementation mode, one end of the spraying conveying belt, which is far away from the fine powder conveying belt, is communicated with a feeding bin, and the height of one end, which is close to the fine powder conveying belt, of the spraying conveying belt is lower than that of the other end of the spraying conveying belt.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the dust removal and recovery device for a spray tower of the present invention.

Description of reference numerals:

100. a spray tower; 110. a discharge port; 200. a dust remover; 210. a material recycling port; 220. a material recovery pipe; 230. a slurry melting port; 300. a material spraying conveying belt; 310. a first dust canopy; 311. a first dust suction pipe; 400. a fine powder conveyer belt; 410. a second dust canopy; 411. a second dust suction pipe; 500. feeding a hopper; 510. a third dust suction pipe; 600. a screw machine; 700. a pulping tank; 810. a first pneumatic valve; 820. a second pneumatic valve; 900. and (4) a spray tower.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following two further processing modes are provided after dust collection: the first mode is to install the sack cleaner dust outlet in the position that is close the effluent water sump surface of water top, the dust that absorbs the collection with the dust remover directly puts into the effluent water sump earlier, then deposit through adding the medicine, squeeze the processing again, the mud that squeezes that obtains is transported to the ball-milling workshop again and is thrown the material and use as a recovery raw materials, can not produce the secondary raise dust again when using this kind of mode further to handle the dust remover and absorb the dust of collection, but increased sewage treatment's pressure, sewage becomes muddy back and need increase the medicament addition, the work load of squeezing of sewage treatment worker has also been increased simultaneously. The second mode is that an underground round small pool is dug under each bag-type dust remover to be used as a slurry melting tank, fine powder of the dust remover is conveyed into the underground slurry melting tank by using a screw machine, and the fine powder is pumped into a slurry making pool in a ball milling workshop by using a plunger pump after slurry melting and is digested in a corresponding formula according to a certain proportion.

The above conventional dust collector further processing methods for absorbing and collecting dust have obvious disadvantages. Therefore, the utility model provides a more efficient and energy-saving operation method to replace the above-mentioned fine powder processing methods. The device of the utility model can be used for directly recovering the dry fine powder of the cloth bag dust remover of the spray tower in the ceramic industry.

Referring to fig. 1, the present invention provides a dust removing and recycling device for a spray tower, including: a spray tower 100, and a dust collector 200 communicating with the spray tower 100. That is, the spray tower 100 and the dust collector 200 are communicated with each other, and the dust collector 200 can collect dust generated in the spray tower 100. The spraying tower 100 is provided with a discharge port 110, and a spraying conveyor belt 300 is arranged below the discharge port 110. The materials in the spray tower 100 are sprayed out from the discharge port 110 onto the spraying material conveyer belt 300 and are merged into a warehouse for use. A recovery material port 210 is arranged on the dust remover 200, and a fine powder conveying belt 400 is arranged below the recovery material port 210; the fine powder conveyer belt 400 is used for conveying the recovered fine powder in the dust collector 200 to the material spraying conveyer belt 300. The material spraying conveying belt 300 and the fine powder conveying belt 400 are controlled by an electric control system, and the electric control system comprises a frequency converter. The spraying conveyer belt 300 and the fine powder conveyer belt 400 may be 10m long and 400mm wide conveyer belts, and the spraying conveyer belt 300 and the fine powder conveyer belt 400 are connected with a first motor, and the power of the first motor is 2.2 kw.

Of course, the material in the spray tower 100 should be guaranteed to be the same formulation as the fine powder in the dust collector 200, and when the formulation in the spray tower 100 is changed, if the formulation in the dust collector 200 is still the same formulation, the fine powder in the dust collector 200 is not conveyed to the fine powder conveyer belt 400 and the injection conveyer belt 300.

Through the common experimental comparison of raw material and process, the fine powder below the bag-type dust collector 200 which is not polluted by other miscellaneous materials in the same formula is taken, and the fine powder is matched with pressure test according to the proportion of 3-7 percent, so that the size and thickness defects of the finished brick are not obviously influenced. Thus, the utility model discloses retrieve a fine powder conveyer belt 400 of direct preparation in dust remover 200 below material 210, directly carry the spraying material conveyer belt 300 of spray tower 100 below to go into the storehouse and use according to the ratio with the prescription fine powder, realized direct recovery, high-efficient, energy-conserving, swift, environmental protection can not produce the secondary raise dust, has improved the efficiency of retrieving the fine powder.

In one implementation manner, the dust collector 200 is a bag-type dust collector 200, and the recycling port 210 is connected with a recycling pipe 220; one end of the fine powder conveying belt 400 is disposed below the recycling pipe 220. The bag-type dust collector 200 is a bag-type dust collector 200, which is a dry dust filter. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by the filtering action of the fiber fabric, after the dust-containing gas enters the bag type dust collector 200, dust with large particles and large specific gravity falls into the dust hopper due to the sedimentation of the gravity, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified. The settled fine powder is discharged to the fine powder conveyer 400 through the recovery material port 210 and the recovery material pipe 220.

Further, a discharging hopper 500 is arranged at one end of the fine powder conveying belt 400 close to the spraying conveying belt 300, and the discharging hopper 500 is arranged above the spraying conveying belt 300. That is, in order to smoothly transfer the fine powder on the fine powder conveyor 400 to the blasting conveyor 300, the lower hopper 500 is provided at one end of the fine powder conveyor 400 close to the blasting conveyor 300.

In one implementation, the dedusting recovery device is further provided with a screw machine 600 and a slurry pond 700; the dust remover 200 is provided with a slurry mixing port 230, and the slurry mixing port 230, the screw machine 600 and the slurry mixing tank 700 are communicated in sequence. The screw machine 600 is connected with a second motor, and the power of the second motor can be 4 KW.

Specifically, a set of screw machines 600 is installed below the dust collector 200, when the formulation is changed in the spray tower 100, the fine powder in the dust collector 200 cannot be recovered, and the fine powder is sent to the water pool for slurrying through the screw machines 600. The conversion formula refers to the conversion of the spray type, e.g., material a, to material B in the spray tower 100, so that the fine powder type also becomes material B. Because the formula is converted, the fine powder is also converted from the material A to the material B, the fine powder of the material A is remained in the dust remover 200, the fine powder cannot be recycled, and the residual fine powder of the material A needs to be discharged through the screw machine 600 to form slurry which is pumped out and subjected to ball milling. And after the fine powder is discharged for about 30 minutes, the fine powder is judged to be qualified.

Further, the dust removal recovery device further comprises: a dust collection air pipe; the material spraying conveying belt 300 is provided with a first dustproof shed 310, the fine powder conveying belt 400 is provided with a second dustproof shed 410, the first dustproof shed 310 is provided with a first dust suction pipe 311, the second dustproof shed 410 is provided with a second dust suction pipe 411, and the first dust suction pipe 311 and the second dust suction pipe 411 are connected with a dust suction air pipe. That is, in order to prevent secondary dust emission, a dust-proof shed is provided above the conveyor belt. And the dust raised on the conveyer belt is directly sucked into the dust suction air pipe through the first dust suction pipe 311 and the second dust suction pipe 411, so that the dust raising is avoided.

Further, a third dust suction pipe 510 is disposed on the discharging hopper 500, and the third dust suction pipe 510 is connected to the dust suction air pipe. That is to say, when the fine powder of hopper 500 on with fine powder conveyer belt 400 shifts to on spouting material conveyer belt 300 down, also can arouse the raise dust, the utility model discloses a set up third dust absorption pipe 510 on hopper 500 down, inhale the dust absorption tuber pipe through third dust absorption pipe 510 with the raise dust near hopper 500 down, prevent the secondary raise dust.

Further, a first pneumatic valve 810 is disposed on the recycling port 210, and a second pneumatic valve 820 is disposed on the slurry melting port 230.

Specifically, when dust removal recovery is performed, the first pneumatic valve 810 is opened, and the fine powder falls onto the fine powder conveyor belt 400 through the recovery pipe 220 until the fine powder is conveyed onto the material spraying conveyor belt 300 through the discharging hopper 500. When it is desired to change formulations, the first pneumatic valve 810 is closed and the second pneumatic valve 820 is opened to deliver the fines to the sump via the auger 600 for slurrying. And when the conversion is finished and the fine powder is qualified and recyclable, closing the second pneumatic valve 820, opening the first pneumatic valve 810, conveying the powder to the material spraying conveying belt 300 by the fine powder conveying belt 400, controlling the rotating speed of the belt by the frequency of the belt frequency converter, and conveying the powder to a storage bin according to the proportion of about 7 percent for recycling.

In one implementation, the spray tower 100 is arranged in parallel with the dust remover 200, the fine powder conveyer belt 400 is arranged between the spray tower 100 and the dust remover 200, and the height of the fine powder conveyer belt 400 near one end of the dust remover 200 is lower than that near one end of the spray tower 100. Thus, the fine powder is conveyed to a high place, and the dust emission can be further reduced.

In one implementation manner, one end of the spraying conveyor belt 300, which is away from the fine powder conveyor belt 400, is communicated with a feed bin, and the height of the spraying conveyor belt 300, which is close to one end of the fine powder conveyor belt 400, is lower than that of the other end. Similarly, the fine powder and the materials are simultaneously conveyed to a high place, and the dust emission is further reduced.

Further, the dust remover 200 is also communicated with a spray tower 900, and the spray tower 900 is used for secondary dust removal. The spray tower is a secondary dust removal device of the whole spray tower system, so that the dust collector is prevented from being damaged and the discharged dust exceeds the standard.

The utility model discloses a dust removal recovery unit can solve former old formula dry powder and retrieve the ball-milling and throw the material recovery method and cause more serious secondary raise dust, forms secondary dust pollution's problem. The problem that the pressure of sewage treatment is increased by ball milling and feeding in an old wet method slurry and sewage recovery pool can be solved; the method for conveying the fine powder of the dust remover 200 to an underground slurry melting tank by using the screw 600 and pumping the fine powder into a slurry making tank in a ball milling workshop by using a plunger pump after melting slurry is improved compared with the two methods, but the problems that the power consumption of repeated ball milling in the ball milling workshop is increased and the coal consumption of repeated material spraying of the spray tower 100 is increased are also caused. Use the utility model discloses a can practice thrift in a large number after the dry process is retrieved the energy consumption that the ball-milling was retrieved and is ground repeatedly, stirring and spout the material repeatedly. The proportion of fines was about 8% at a yield of 14000 column 40T/h. Coal consumption is 60KG/T powder, and ball milling power consumption is 46 degrees/material. Calculated according to 330 days of tower opening all the year round, coal consumption 1748T is saved by about 141 ten thousand yuan per year, and electricity consumption 116 is saved by about 70 ten thousand yuan per year. The labor cost for transferring fine powder and the addition amount of auxiliary materials for sewage treatment are reduced by about 10 ten thousand yuan per year, the total saving amount of 327 yuan per year is estimated, and the economic benefit is greatly improved.

The working principle of the dedusting recovery device for the spray tower during working is as follows: the dust remover sucks fine powder generated in the spray tower, and the fine powder enters a fine powder conveying belt through a recovery material port; the fine powder conveying belt conveys the fine powder to a spraying conveying belt, and meanwhile, the material in the spraying tower enters the spraying conveying belt through a discharge hole; and the fine powder and the materials are conveyed to a feeding bin by the material spraying conveying belt. After the dust remover sucks fine powder generated in the spray tower, a first pneumatic valve at the recycling material port is opened, and the fine powder enters a fine powder conveying belt through the recycling material port. When the formula of the materials in the spray tower is changed, the first pneumatic valve at the material recovery port is closed, the second pneumatic valve connected with the screw machine is opened, and the fine powder in the dust remover is discharged into the pulping tank through the screw machine for pulping. And pumping out the slurried slurry, ball-milling and recycling again.

To sum up, the utility model discloses a dust removal recovery unit for spray tower, include: the spraying tower and a dust remover communicated with the spraying tower; a discharge port is formed in the spraying tower, and a spraying conveying belt is arranged below the discharge port; a recovery material port is formed in the dust remover, and a fine powder conveying belt is arranged below the recovery material port; the fine powder conveying belt is used for conveying the recovered fine powder in the dust remover to the material spraying conveying belt. The utility model discloses a retrieve the direct preparation farine conveyer belt in material mouth below at the dust remover, directly carry the spraying material conveyer belt of spray tower below with the prescription farine according to the ratio and go into the storehouse and use, realized direct recovery, high efficiency, energy-conservation, swift, environmental protection can not produce the secondary raise dust, has improved the efficiency of retrieving the farine.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A dust removal recovery device for a spray tower, comprising: the spraying tower and a dust remover communicated with the spraying tower; a discharge port is formed in the spraying tower, and a spraying conveying belt is arranged below the discharge port; a recovery material port is formed in the dust remover, and a fine powder conveying belt is arranged below the recovery material port; the fine powder conveying belt is used for conveying the recovered fine powder in the dust remover to the material spraying conveying belt.

2. The dedusting recovery device for the spray tower according to claim 1, wherein the deduster is a bag deduster, and the recovery material port is connected with a recovery material pipe; one end of the fine powder conveying belt is arranged below the recycling pipe.

3. The dust removal and recovery device for the spray tower of claim 2, wherein a lower hopper is arranged at one end of the fine powder conveying belt close to the spraying conveying belt, and the lower hopper is arranged above the spraying conveying belt.

4. The dust removal and recovery device for the spray tower of claim 1, wherein the dust removal and recovery device is further provided with a screw machine and a slurry tank; the dust remover is provided with a slurry melting port, and the slurry melting port, the screw machine and the slurry melting tank are communicated in sequence.

5. The dust-removal recovery device for a spray tower of claim 3, further comprising: a dust collection air pipe; the dust collection device is characterized in that a first dustproof shed is arranged on the material spraying conveying belt, a second dustproof shed is arranged on the fine powder conveying belt, a first dust collection pipe is arranged on the first dustproof shed, a second dust collection pipe is arranged on the second dustproof shed, and the first dust collection pipe and the second dust collection pipe are connected with the dust collection air pipe.

6. The dust removing and recycling device for the spraying tower as claimed in claim 5, wherein a third dust suction pipe is arranged on the blanking hopper, and the third dust suction pipe is connected with the dust suction air pipe.

7. The dedusting recovery device for the spray tower of claim 4, wherein a first pneumatic valve is arranged on the recovery port, and a second pneumatic valve is arranged on the slurry melting port.

8. The dust-removing recovery device for the spray tower as claimed in claim 1, wherein the spray tower is arranged in parallel with the dust remover, the fine powder conveyer belt is arranged between the spray tower and the dust remover, and the height of the fine powder conveyer belt near one end of the dust remover is lower than that near one end of the spray tower.

9. The dust removal and recovery device for the spray tower of claim 1, wherein one end of the spraying material conveying belt, which is far away from the fine powder conveying belt, is communicated with a feed bin, and the height of one end of the spraying material conveying belt, which is close to the fine powder conveying belt, is lower than that of the other end of the spraying material conveying belt.