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CN-122006377-A - Air pollution-proof treatment device for dry powder mortar production line

CN122006377ACN 122006377 ACN122006377 ACN 122006377ACN-122006377-A

Abstract

The invention discloses an air pollution prevention treatment device of a dry powder mortar production line, which comprises a spray collecting cylinder provided with an upper end cover, a negative pressure and spray assembly and a dust absorption assembly, wherein the negative pressure and spray assembly consists of a negative pressure fan, a fan seat, a water storage tank, a booster pump and a plurality of lateral atomizing spray heads and is used for generating negative pressure to adsorb and spray dust in the spray collecting cylinder, and the fan seat is arranged at the bottom end of the outer side of the spray collecting cylinder. According to the invention, the temperature sensor is matched with the electromagnetic valve to realize automatic flow division of high-temperature and normal-temperature dust-containing air flow, the high-temperature air flow enters the dust pretreatment box and passes through the baffle plate to prolong the residence time, and the serpentine heat conduction copper pipe and the cooling fan are used for cooperatively completing pre-cooling, so that the high-temperature air flow can be effectively prevented from directly impacting the pipeline, the spray nozzle and the sealing part, the parts are prevented from being heated and aged, deformed and damaged, the overall operation stability and the service life of the equipment are obviously improved, and the maintenance frequency and the use cost of the production line are reduced.

Inventors

  • KANG WEICHAO
  • WANG JIA
  • YANG YUNFEI
  • SHI LEI
  • LIU LU
  • LIU ZHIWEI

Assignees

  • 河南经港建材有限公司

Dates

Publication Date
20260512
Application Date
20260325

Claims (9)

  1. 1. Air pollution prevention processing apparatus of dry powder mortar production line, including being equipped with spray collecting vessel (1), negative pressure and the subassembly and the dust absorption subassembly that spray of upper end cover (3), its characterized in that: The negative pressure and spray assembly consists of a negative pressure fan (17), a fan seat (16), a water storage tank (2), a booster pump (4) and a plurality of lateral atomizing spray heads (19), and is used for generating negative pressure adsorption and spraying dust on a spray collecting cylinder (1), the fan seat (16) is arranged at the bottom end outside the spray collecting cylinder (1), the negative pressure fan (17) is fixedly arranged at the upper end of the fan seat (16) and is communicated with the lower end part of the spray collecting cylinder (1), the water storage tank (2) is fixedly arranged on the side wall of the lower end part of the spray collecting cylinder (1), the booster pump (4) is fixedly arranged at the upper end of the water storage tank (2) and is communicated with the water inlet end of the water storage tank (2), the lateral atomizing spray heads (19) are vertically arranged on the inner wall of the spray collecting cylinder (1), and the water outlet end of the booster pump (4) is communicated with a first guide pipe (5), and each lateral atomizing spray head (19) is communicated with the first guide pipe (5). The dust absorption assembly consists of a gas collecting hood (6), a first flexible connecting pipe (7), a second flexible connecting pipe (8), a flexible jumper pipe (10) and a dust pretreatment tank (9), dust-containing air flow is intensively led into a spray collecting cylinder (1), the first flexible connecting pipe (7) is communicated with the gas collecting hood (6), the second flexible connecting pipe (8) is communicated with the upper end part of the spray collecting cylinder (1), the dust pretreatment tank (9) is communicated between the ends of the first flexible connecting pipe (7) and the second flexible connecting pipe (8) and is fixedly connected with the spray collecting cylinder (1) through a cantilever (14), the flexible jumper pipe (10) is connected between the middle ends of the first flexible connecting pipe (7) and the second flexible connecting pipe (8) in a bridging manner, a diversion mechanism for distinguishing the flow direction of the dust-containing air flow according to temperature is arranged at the tail part of the gas collecting hood (6), and a cooling mechanism for pre-cooling the high-temperature dust-containing air flow is arranged in the dust pretreatment tank (9).
  2. 2. The air pollution prevention treatment device of the dry powder mortar production line according to claim 1, wherein the diversion mechanism comprises a temperature sensor (11), a first electromagnetic valve (12) and a second electromagnetic valve (13), the temperature sensor (11) is fixedly arranged at the tail part of the gas collecting hood (6), the first electromagnetic valve (12) is arranged at the joint of the first flexible connecting pipe (7) and the dust pretreatment box (9), the second electromagnetic valve (13) is arranged at the joint of the first flexible connecting pipe (7) and the flexible jumper pipe (10), and the temperature sensor (11) controls the first electromagnetic valve (12) and the second electromagnetic valve (13) to be opened and closed through electric signals.
  3. 3. The air pollution prevention treatment device of the dry powder mortar production line according to claim 1, wherein the cooling mechanism comprises a snakelike heat conduction copper pipe (18) and a cooling fan (15), the snakelike heat conduction copper pipe (18) is embedded at the inner bottom of the dust pretreatment box (9), one end of the snakelike heat conduction copper pipe is positioned inside the dust pretreatment box (9), the other end of the snakelike heat conduction copper pipe is positioned outside the dust pretreatment box (9), the cooling fan (15) is fixedly arranged on the side edge of the cantilever (14) through a bracket, and the air outlet end faces the lower end face of the snakelike heat conduction copper pipe (18).
  4. 4. The air pollution prevention treatment device of the dry powder mortar production line according to claim 1, wherein a plurality of layers of annular diversion trenches are formed in the inner side wall of the spraying collecting cylinder (1) along the circumferential direction, and each layer of annular diversion trench is respectively communicated with a lateral atomizing nozzle (19) with a corresponding height.
  5. 5. The air pollution prevention treatment device of the dry powder mortar production line according to claim 1, wherein a plurality of layers of baffle plates are arranged in the dust pretreatment box (9) and are staggered up and down.
  6. 6. The air pollution prevention treatment device of the dry powder mortar production line according to claim 1, wherein the water outlet end of the booster pump (4) is further communicated with a second guide pipe (20), the upper end of the second guide pipe (20) penetrates through the upper end cover (3) to extend into the spray collecting cylinder (1) and is communicated with a rotary mist spray head (21), and the rotary mist spray head (21) is fixedly connected with the lower end of the upper end cover (3).
  7. 7. The air pollution prevention device for the dry powder mortar production line according to claim 6, wherein the side edges of the rotary mist spray head (21) are circumferentially provided with inclined notches (22), and the end faces of the inclined notches (22) are provided with atomizing spray holes (23).
  8. 8. The air pollution prevention treatment device of the dry powder mortar production line according to claim 6, wherein a sealing gasket is arranged between the rotary fog spray head (21) and the upper end cover (3), and the sealing gasket is made of high-temperature resistant rubber.
  9. 9. The air pollution prevention device for the dry powder mortar production line according to claim 6, wherein the middle end of the second guide pipe (20) is wrapped and provided with a heat conducting layer (24), a plurality of arc-shaped heat radiating fins (25) are longitudinally arranged on the outer side of the heat conducting layer (24), a wind direction guide plate (26) is fixedly connected to the lower end of the upper side of the dust pretreatment box (9), the wind direction guide plate (26) is bent, and the end part of the wind direction guide plate extends to the upper end of the arc-shaped heat radiating fins (25).

Description

Air pollution-proof treatment device for dry powder mortar production line Technical Field The invention relates to the technical field of building material production, in particular to an air pollution prevention treatment device of a dry powder mortar production line. Background In the production process of the dry powder mortar, a large amount of dust can be generated in the working procedures of crushing, screening, stirring, conveying, discharging and the like, the unorganized diffusion of the dust not only can seriously pollute the workshop operation environment and damage the health of operators, but also can cause the loss of raw materials, reduce the utilization rate of the raw materials and increase the production and environmental protection treatment cost of enterprises. At present, the dust collector combining negative pressure collection and spray dust collection is commonly adopted in the industry, and the dust collector has a simple structure and a single function, can only realize basic dust collection, and is difficult to match with the actual use requirements of the dry powder mortar production line under continuous, efficient and high-temperature working conditions. In the actual production process, the temperature difference of dust-containing air flows generated by different working procedures is large, the conventional dust removing equipment does not carry out differential design on the dust-containing air flows, the dust-containing air flow automatic flow dividing function is not provided, the effective pre-cooling treatment structure is also not provided, the high-temperature air flows directly enter the dust removing mechanism and are easy to cause the heat aging, deformation and even damage of key components such as pipelines, sealing parts, spray nozzles and the like, and the service life of the equipment is greatly shortened. Meanwhile, the traditional spray structure is uneven in water mist distribution, a drying area is easy to appear on the inner wall of the dust removing cylinder, the dust wetting and sedimentation effects are poor, secondary dust emission is easy to generate, the overall dust removing efficiency is low, and the requirements of clean, environment-friendly and stable operation of a modern dry powder mortar production line cannot be met. . Disclosure of Invention The invention aims to solve the defects in the prior art, and provides an air pollution prevention treatment device of a dry powder mortar production line. In order to achieve the above purpose, the present invention adopts the following technical scheme: The air pollution prevention treatment device of the dry powder mortar production line comprises a spray collecting cylinder provided with an upper end cover, a negative pressure and spray assembly and a dust absorption assembly, wherein the negative pressure and spray assembly consists of a negative pressure fan, a fan seat, a water storage tank, a booster pump and a plurality of lateral atomizing spray heads and is used for generating negative pressure to adsorb and spray dust in the spray collecting cylinder, the fan seat is arranged at the bottom end of the outer side of the spray collecting cylinder, the negative pressure fan is fixedly arranged at the upper end of the fan seat and is communicated with the lower end part of the spraying collecting cylinder, the water storage tank is fixedly arranged on the side wall of the lower end part of the spraying collecting cylinder, the booster pump is fixedly arranged at the upper end of the water storage tank, the water inlet end of the booster pump is communicated with the water storage tank, a plurality of lateral atomizing spray heads are vertically arranged on the inner wall of the spraying collecting cylinder, the water outlet end of the booster pump is communicated with a first guide pipe, and the first guide pipe is communicated with each lateral atomizing spray head; The dust absorption assembly consists of a gas collecting hood, a first flexible connecting pipe, a second flexible connecting pipe, a flexible jumper pipe and a dust pretreatment box, dust-containing airflow is intensively led into a spraying collecting cylinder, the first flexible connecting pipe is communicated with the gas collecting hood, the second flexible connecting pipe is communicated with the upper end part of the spraying collecting cylinder, the dust pretreatment box is communicated between the end parts of the first flexible connecting pipe and the end part of the second flexible connecting pipe and is fixedly connected with the spraying collecting cylinder through a cantilever, the flexible jumper pipe is connected between the middle ends of the first flexible connecting pipe and the middle end of the second flexible connecting pipe in a bridging manner, a flow dividing mechanism for distinguishing the flow direction of the dust-containing airflow according to temperature is arranged at the tail part of the gas coll