CN216677553U - Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line - Google Patents

Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line Download PDF

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CN216677553U
CN216677553U CN202122854892.XU CN202122854892U CN216677553U CN 216677553 U CN216677553 U CN 216677553U CN 202122854892 U CN202122854892 U CN 202122854892U CN 216677553 U CN216677553 U CN 216677553U
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water
dust removal
dust
calcium hydroxide
production line
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王剑琼
全松林
周保弟
邓源
杨再贤
梁辑
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Guilin Mining Machinery Co ltd
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Guilin Mining Machinery Co ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The utility model discloses a composite dust removal device for a calcium hydroxide production line and the calcium hydroxide production line, wherein the composite dust removal device comprises: the device comprises a pulse dust removal unit, a water mist dust removal unit and a preheating unit; the pulse dust removal unit is communicated with the lime slaker and used for collecting high-temperature dust-containing gas generated in the lime slaking process and performing primary dust removal; the water mist dust removal unit is communicated with the pulse dust removal unit and is used for collecting primary dust removal gas discharged by the pulse dust removal unit and performing water mist dust removal; the preheating unit comprises a spraying device for extracting hot water from the water mist dust removal unit and supplying the hot water to the lime stirrer. The utility model carries out multiple dust removal in different modes in the discharge path of the high-temperature dust-containing gas, thereby ensuring that the dust discharge reaches higher discharge standard; in addition, the heat energy of the high-temperature exhaust gas is collected by the water mist dust remover, and the lime is digested by hot water and is easier to digest, and high-quality calcium hydroxide powder is obtained, so that the energy is saved, and the consumption is reduced.

Description

Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line
Technical Field
The utility model relates to the technical field of dust removal devices, in particular to a composite dust removal device for a calcium hydroxide production line and the calcium hydroxide production line.
Background
A dust remover is divided into a dry mechanical dust remover, a wet dust remover, a bag type dust remover and the like, wherein the dust remover is a device for separating dust from smoke, namely the dust remover or a dust removing device, dust suction hoods are arranged at all dust emitting positions, dust-containing gas is conveyed into a dust removing device through a pipeline gas path, the dust is collected into the dust removing device after gas-solid separation is carried out in the dust removing device, clean gas is introduced into a header pipe or is directly discharged into the atmosphere, namely a dust removing system, and the dust remover is an important group part in the system.
In the prior art, a single dust remover is usually applied, for example, only a pulse dust remover or a water mist dust remover is used, and the dust removing mode is difficult to meet the emission requirement for places with high environmental protection requirements; in addition, because the heat energy of the dust collector is not collected and utilized in the dust collection process, the economic benefit is low, such as: in the case of calcium hydroxide production, if only a common water mist dust remover is used for dust removal, the cost is also required because a lot of sediments are generated and water is easy to mix up and needs to be treated in time, and if lime contained in water is not recycled, waste is also caused.
Therefore, there is a need in the art for a dust removal device that integrates the advantages of different types of dust removers, performs batch classification dust removal, and has a dust removal effect that meets high-standard requirements and is efficient.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a composite dust removal device which is formed by mixing and configuring a plurality of types of dust removers, has a good dust removal effect, is efficient, and can effectively utilize the heat of high-temperature dust-containing gas.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
on one hand, the utility model discloses a composite dust removal device for a calcium hydroxide production line, which comprises: the device comprises a pulse dust removal unit, a water mist dust removal unit and a preheating unit;
the pulse dust removal unit is communicated with the lime slaker and is used for collecting high-temperature dust-containing gas generated in the lime slaking process and performing primary dust removal;
the water mist dust removal unit is communicated with the pulse dust removal unit and is used for collecting primary dust removal gas discharged by the pulse dust removal unit and performing water mist dust removal;
the preheating unit comprises a spraying device, and a pipeline of the spraying device is communicated with the water mist dust removal unit and the lime stirrer and is used for extracting hot water from the water mist dust removal unit and supplying the hot water to the lime stirrer.
The beneficial effect of adopting above-mentioned technical scheme is: the problems that the dust remover in the prior art is single in function, the dust removing effect is difficult to meet higher emission requirements and the energy consumption is higher are fully considered, firstly, multiple dust removal in different modes is carried out in the emission path of high-temperature dusty gas through the matched arrangement of the pulse dust removing unit and the water mist dust removing unit, the dust removing rate of the high-temperature dusty gas can be obviously improved, the dust content of the finally emitted gas is greatly reduced, the emission of dust is ensured to reach higher emission standards, and therefore the high-standard national requirements on environmental protection are met; in addition, the preheating unit is arranged, the heat energy of the high-temperature exhaust gas collected by the water mist dust remover is converted into water heat energy through exchange, lime is digested by hot water and is easier to digest, high-quality calcium hydroxide powder is obtained, meanwhile, water is recycled, the energy consumption is reduced, and the economic benefit is good.
As a further improvement of the technical scheme of the utility model, the pulse dust removal unit comprises a dust removal box body, a cloth bag, a gas source, an electromagnetic pulse valve and a nozzle, the dust removal box body is erected above the lime slaker, the cloth bag is arranged in the dust removal box body, the cloth bag is provided with the nozzle, and the electromagnetic pulse valve is respectively communicated with the gas source and the nozzle through pipelines.
The beneficial effect of adopting above-mentioned technical scheme is: the dust removal box body is directly arranged at the upper part of the lime slaker, and high-temperature dust-containing gas generated in the slaking of the quicklime is collected into the dust removal box body through a pipeline under the suction action of the high-pressure fan; the dust in the high-temperature dust-containing gas is stuck on the cloth bag through the cloth bag; the dust stuck on the cloth bag is regularly sprayed into the cloth bag in a pulse mode to clean the dust, and the dust falls into the lime slaker; the upper end of the cloth bag is provided with a vent pipe and a nozzle, the vent pipe is connected with an electromagnetic pulse valve arranged on the outer side wall of the box body, and the electromagnetic pulse valve is connected with an air source. The pulse dust removal unit is directly arranged on the lime slaker, so that an ash hopper for collecting dust is saved, and the equipment configuration cost is effectively reduced.
As a further improvement of the technical scheme of the utility model, the water mist dust removal unit comprises an air inlet spraying cover, an atomized water nozzle, a water collecting tank and a dust removal cylinder; the air inlet spraying cover is communicated with the dust removal box body; the plurality of atomized water nozzles are arranged in different directions in the air inlet spraying cover and are used for spraying water mist to fuse dust in high-temperature dust-containing gas; the water collecting tank is communicated with the air inlet spraying cover and is used for collecting the dust-containing water flowing out of the air inlet spraying cover; the dust removing cylinder is filled with water and communicated with the air passage of the air inlet spraying cover, and is used for removing dust and cooling high-temperature dust-containing gas discharged by the air inlet spraying cover.
The beneficial effect of adopting above-mentioned technical scheme is: the air inlet spraying cover of the water mist dust removal unit is connected with a side wall exhaust pipe port at the upper part of the dust removal box body of the pulse dust removal unit, and high-temperature dust-containing gas is further dedusted by the water mist deduster after being dedusted by the pulse dust removal unit. The atomized water nozzles are arranged in different directions in the air inlet spraying cover, spray is uniform, and high-temperature dust-containing gas in the inner space of the air inlet spraying cover is effectively cooled and dedusted.
As a further improvement of the technical scheme of the utility model, the water mist dust removal unit further comprises a high-pressure fan, and the high-pressure fan is communicated with the dust removal barrel.
The beneficial effect of adopting above-mentioned technical scheme is: the high-pressure fan is used for extracting high-temperature dust-containing gas generated by the lime slaker, and the high-temperature dust-containing gas is subjected to multiple dust removal through the pulse dust removal unit and the water mist dust removal unit, so that the common high-pressure fan of the pulse dust removal unit and the water mist dust removal unit is realized, the equipment configuration cost of the composite dust removal device is saved, and the economic benefit is remarkably improved.
As a further improvement of the technical scheme of the utility model, the spraying device comprises a pumping element, a spraying pipe and an atomized water spray head, wherein a water inlet of the pumping element is communicated with the water collecting tank, a water outlet of the pumping element is communicated with the atomized water spray head through the spraying pipe, and the atomized water spray head is arranged at a water inlet of the lime stirrer.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the pumping element powerfully ensures the stability of the spray pressure of the spray head, and in addition, the pumping element extracts water from the water collecting tank for atomization and dust removal, so that on one hand, the repeated and effective utilization of water resources is realized, and the consumption of the water resources is greatly reduced; on the other hand, the dust-containing water in the water collection tank is hot water subjected to heat exchange with high-temperature dust-containing gas, and the lime is digested by the dust-containing hot water, so that high-quality calcium hydroxide powder is more easily obtained, and the energy consumption is remarkably reduced.
As a further improvement of the technical solution of the present invention, the preheating unit further comprises an intelligent water distribution device for controlling the water supply amount of the spraying device.
The beneficial effect of adopting above-mentioned technical scheme is: due to the introduction of the intelligent water distribution device, high-quality calcium hydroxide powder can be obtained more easily, and the requirements of different users can be met conveniently.
As a further improvement of the technical scheme of the utility model, the dust removing cylinder is communicated with the water way of the water collecting tank and is used for supplementing water to the water collecting tank; the intelligent water distribution device comprises a feeding weighing element, a flowmeter and an adjusting valve, wherein the feeding weighing element is correspondingly configured with the lime stirrer and used for measuring the feeding amount of lime, and the flowmeter and the adjusting valve are arranged in a pipeline of the spray pipe and used for adjusting the flow of water in the spray pipe according to the feeding amount of the lime.
The beneficial effect of adopting above-mentioned technical scheme is: the cooperation setting of weighing element and flowmeter is convenient for master the feed volume of quick lime to carry out accurate ratio for adjusting the discharge in the shower and establish the basis, thereby help obtaining high-quality calcium hydroxide powder.
As a further improvement of the technical solution of the present invention, the preheating unit further comprises an intelligent temperature control device for controlling the temperature of the water supplied to the spraying device.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the intelligent temperature control device is convenient for accurately adjusting and controlling the water temperature in the water collecting tank to the preset temperature so as to meet the requirement of spraying water supply in the lime slaker.
As a further improvement of the technical scheme of the utility model, the intelligent temperature control device comprises a temperature sensor, a water inlet control valve and a floating ball liquid level controller.
The beneficial effect of adopting above-mentioned technical scheme is: the temperature sensor is introduced to measure the temperature of water in the dust removing cylinder, and provides regulation reference for controlling the water temperature in the water collecting tank; the water inlet control valve is arranged at a water replenishing port for replenishing water to the dust removing cylinder, and the floating ball liquid level controller is arranged on the side surface of the dust removing cylinder, so that proper amount of water can be replenished automatically as required.
On the other hand, the utility model further discloses a calcium hydroxide production line, which comprises the composite dust removal device for the calcium hydroxide production line in any one of the technical schemes.
The beneficial effect of adopting above-mentioned technical scheme is: including the compound dust collector's of any one in the above-mentioned scheme calcium hydrate production line, all can effectively solve among the prior art dust remover function singleness, the dust removal effect is difficult to satisfy higher emission requirement and the higher problem of energy consumption, can also carry out reuse to high temperature dusty water, both water economy resource reduces the energy consumption again, when effectively reducing the manufacturing cost of calcium hydrate powder, has complied with the energy saving and consumption reduction's that the country advocated environmental protection requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of the composite dust removing device of the present invention;
FIG. 2 is an enlarged partial view of FIG. 1 at point II;
FIG. 3 is an enlarged view of a portion of FIG. 1 at I;
the corresponding part names indicated by the numbers in the figures are as follows:
a pulse dust removal unit 1; a dust removal box body 11; a cloth bag 12; a gas source 13; an electromagnetic pulse valve 14; a nozzle 15; a water mist dust removal unit 2; an intake air shower cover 21; an atomized water nozzle 22; a water collection tank 23; a dust removal cylinder 24; a high-pressure fan 25; a preheating unit 3; a spray device 31; a pumping element 311; a shower pipe 312; an atomized water spray head 313; an intelligent water distribution device 32; a feed weighing element 321; a flow meter 322; an adjusting valve 323; an intelligent temperature control device 33; a temperature sensor 331; the water intake control valve 332; a floating ball level controller 333; a lime slaker 4; a lime stirrer 5; a water inlet 51.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the purpose of the utility model, the technical scheme provided by the utility model is as follows:
in some embodiments of the present invention, as shown in fig. 1, a composite dust removing device for a calcium hydroxide production line is disclosed, comprising: the device comprises a pulse dust removal unit 1, a water mist dust removal unit 2 and a preheating unit 3; the pulse dust removal unit 1 is communicated with the lime slaker 4 and used for collecting high-temperature dust-containing gas generated in the lime slaking process and performing primary dust removal; the water mist dust removal unit 2 is communicated with the pulse dust removal unit 1 and is used for collecting primary dust removal gas discharged by the pulse dust removal unit 1 and performing water mist dust removal; the preheating unit 3 comprises a spraying device 31, and the spraying device 31 is communicated with the water mist dust removal unit 2 and the lime stirrer 5 through a pipeline and used for extracting hot water from the water mist dust removal unit 2 and supplying the hot water to the lime stirrer 5.
The beneficial effect of adopting above-mentioned technical scheme is: the problems that the dust remover in the prior art is single in function, the dust removing effect is difficult to meet higher emission requirements and the energy consumption is higher are fully considered, firstly, the pulse dust removing unit 1 and the water mist dust removing unit 2 are arranged in a matched mode, multiple dust removal in different modes is carried out in the discharge path of high-temperature dusty gas, the dust removing rate of the high-temperature dusty gas can be obviously improved, the dust content of the discharged gas is finally greatly reduced, the dust emission is ensured to reach higher emission standards, and therefore the national high-standard requirements for environmental protection are met; in addition, the preheating unit 3 is arranged, the heat energy of the high-temperature exhaust gas collected by the water mist dust remover is converted into water heat energy through exchange, lime is digested by hot water and is easier to digest, high-quality calcium hydroxide powder is obtained, meanwhile, water is recycled, the energy consumption is reduced, and the economic benefit is good.
In other embodiments of the present invention, as shown in fig. 1, the pulse dust removal unit 1 includes a dust removal box 11, a cloth bag 12, a gas source 13, an electromagnetic pulse valve 14 and a nozzle 15, the dust removal box 11 is erected above the lime slaker 4, the cloth bag 12 is disposed in the dust removal box 11, the cloth bag 12 is provided with the nozzle 15, and the electromagnetic pulse valve 14 is respectively communicated with the gas source 13 and the nozzle 15 through a pipeline.
The beneficial effect of adopting above-mentioned technical scheme is: the dust removal box body 11 is directly arranged at the upper part of the lime slaker 4, and high-temperature dust-containing gas generated in the slaking of the quicklime is collected into the dust removal box body 11 through a pipeline under the suction action of the high-pressure fan 25; the dust in the high-temperature dust-containing gas is adhered to the cloth bag 12 through the cloth bag 12; the dust stuck on the cloth bag 12 is regularly sprayed into the cloth bag 12 in a pulse mode to clean the dust, and the dust falls into the lime slaker 4; the upper end of the cloth bag 12 is provided with a vent pipe and a nozzle 15, the vent pipe is connected with an electromagnetic pulse valve 14 arranged on the outer side wall of the box body, and the electromagnetic pulse valve 14 is connected with an air source 13. The pulse dust removal unit 1 is directly arranged on the lime slaker 4, so that an ash hopper for collecting dust is saved, and the equipment configuration cost is effectively reduced.
In other embodiments of the present invention, as shown in fig. 1, the water mist dust removing unit 2 comprises an air inlet spray cover 21, an atomized water nozzle 22, a water collecting tank 23 and a dust removing cylinder 24; the air inlet spraying cover 21 is communicated with the dust removal box body 11; the plurality of atomized water nozzles 22 are arranged in different directions in the air inlet spraying cover 21 and used for spraying water mist to fuse dust in the high-temperature dust-containing gas; the water collecting tank 23 is communicated with the air inlet spraying cover 21 and is used for collecting the dust-containing water flowing out of the air inlet spraying cover 21; the dust removing cylinder 24 is filled with water, and the dust removing cylinder 24 is communicated with the air passage of the air inlet spraying cover 21 and is used for removing dust and cooling high-temperature dust-containing gas discharged by the air inlet spraying cover 21.
The beneficial effect of adopting above-mentioned technical scheme is: the air inlet spraying cover 21 of the water mist dust removal unit 2 is connected with a side wall exhaust pipe port at the upper part of the dust removal box body 11 of the pulse dust removal unit 1, and high-temperature dust-containing gas is further dedusted by the water mist deduster after being dedusted by the pulse dust removal unit 1. The atomized water nozzles 22 are arranged in different directions in the air inlet spraying cover 21, spray uniformly, and effectively cool and remove dust for the high-temperature dust-containing gas in the inner space of the air inlet spraying cover 21.
In other embodiments of the present invention, as shown in fig. 1, the water mist dust removing unit 2 further comprises a high pressure fan 25, and the high pressure fan 25 is communicated with the dust removing cylinder 24.
The beneficial effect of adopting above-mentioned technical scheme is: due to the arrangement of the high-pressure fan 25, the high-pressure fan 25 is used for extracting high-temperature dust-containing gas generated by the lime slaker 4, and the high-temperature dust-containing gas is subjected to multiple dust removal through the pulse dust removal unit 1 and the water mist dust removal unit 2, so that the pulse dust removal unit 1 and the water mist dust removal unit 2 share the high-pressure fan 25, the equipment configuration cost of the composite dust removal device is saved, and the economic benefit is improved remarkably.
In other embodiments of the present invention, as shown in fig. 1, the spraying device 31 comprises a pumping element 311, a spraying pipe 312 and an atomized water spray head 313, the water inlet of the pumping element 311 is communicated with the water collecting tank 23, the water outlet of the pumping element 311 is communicated with the atomized water spray head 313 through the spraying pipe 312, and the atomized water spray head 313 is arranged at the water inlet 51 of the lime mixer 5.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the pumping element 311 powerfully ensures the stability of the spray pressure of the spray head, and in addition, the pumping element 311 extracts water from the water collecting tank 23 for atomization and dust removal, so that on one hand, the repeated and effective utilization of water resources is realized, and the consumption of the water resources is greatly reduced; on the other hand, the dust-containing water in the water collection tank 23 is hot water which exchanges heat with high-temperature dust-containing gas, and the lime is digested by the dust-containing hot water, so that high-quality calcium hydroxide powder is more easily obtained, and the energy consumption is obviously reduced.
In other embodiments of the present invention, as shown in fig. 1, the preheating unit 3 further includes an intelligent water distribution device 32 to control the amount of water supplied from the shower device 31.
The beneficial effect of adopting above-mentioned technical scheme is: due to the introduction of the intelligent water distribution device 32, high-quality calcium hydroxide powder can be obtained more easily, and the requirements of different users can be met conveniently.
In other embodiments of the present invention, as shown in fig. 1 and 3, the dust removing cylinder 24 is in water communication with the water collecting tank 23 for replenishing water to the water collecting tank 23; the intelligent water distribution device 32 comprises a feeding weighing element 321, a flow meter 322 and a regulating valve 323, wherein the feeding weighing element 321 is configured corresponding to the lime stirrer 5 and is used for measuring the feeding amount of lime, and the flow meter 322 and the regulating valve 323 are arranged in the pipeline of the spray pipe 312 and are used for regulating the flow rate of water in the spray pipe 312 according to the feeding amount of the lime.
The beneficial effect of adopting above-mentioned technical scheme is: the cooperation setting of weighing element and flowmeter 322 is convenient for master the feed quantity of quick lime to carry out accurate ratio for adjusting the discharge in shower 312 and establish the basis, thereby help obtaining high-quality calcium hydroxide powder.
In other embodiments of the present invention, as shown in fig. 1, the preheating unit 3 further includes an intelligent temperature control device 33 for controlling the temperature of the water supplied to the spraying device 31.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the intelligent temperature control device 33 facilitates the precise adjustment and control of the water temperature in the water collection tank 23 to a predetermined temperature to meet the requirement of spraying water supply in the lime slaker 4.
In other embodiments of the present invention, as shown in fig. 1 and 2, the intelligent temperature control device 33 includes a temperature sensor 331, a water inlet control valve 332, and a float level controller 333.
The beneficial effect of adopting above-mentioned technical scheme is: the temperature sensor 331 is introduced to measure the temperature of the water in the dust removing cylinder 24, and provides a regulation reference for controlling the water temperature in the water collecting tank 23; the water inlet control valve 332 is arranged at a water replenishing port for replenishing water to the dust removing cylinder 24, and the floating ball liquid level controller 333 is arranged at the side surface of the dust removing cylinder 24, so that a proper amount of water can be replenished automatically as required.
In other embodiments of the utility model, a calcium hydroxide production line is disclosed, which comprises the composite dust removing device for the calcium hydroxide production line in any one of the above technical schemes.
The beneficial effect of adopting above-mentioned technical scheme is: including the compound dust collector's of any one in the above-mentioned scheme calcium hydrate production line, all can effectively solve among the prior art dust remover function singleness, the dust removal effect is difficult to satisfy higher emission requirement and the higher problem of energy consumption, can also carry out reuse to high temperature dusty water, both water economy resource reduces the energy consumption again, when effectively reducing the manufacturing cost of calcium hydrate powder, has complied with the energy saving and consumption reduction's that the country advocated environmental protection requirement.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (10)

1. The utility model provides a compound dust collector for calcium hydrate production line which characterized in that includes: the device comprises a pulse dust removal unit, a water mist dust removal unit and a preheating unit;
the pulse dust removal unit is communicated with the lime slaker and is used for collecting high-temperature dust-containing gas generated in the lime slaking process and performing primary dust removal;
the water mist dust removal unit is communicated with the pulse dust removal unit and is used for collecting primary dust removal gas discharged by the pulse dust removal unit and performing water mist dust removal;
the preheating unit comprises a spraying device, and a pipeline of the spraying device is communicated with the water mist dust removal unit and the lime stirrer and is used for extracting hot water from the water mist dust removal unit and supplying the hot water to the lime stirrer.
2. The composite dust removing device for the calcium hydroxide production line as claimed in claim 1, wherein the pulse dust removing unit comprises a dust removing box body, a cloth bag, a gas source, an electromagnetic pulse valve and a nozzle, the dust removing box body is erected above the lime slaker, the cloth bag is arranged in the dust removing box body, the cloth bag is provided with the nozzle, and the electromagnetic pulse valve is respectively communicated with the gas source and the nozzle through pipelines.
3. The composite dust removal device for the calcium hydroxide production line as claimed in claim 2, wherein the water mist dust removal unit comprises an air inlet spray cover, an atomized water nozzle, a water collection tank and a dust removal cylinder; the air inlet spraying cover is communicated with the dust removal box body; the plurality of atomized water nozzles are arranged in different directions in the air inlet spraying cover and are used for spraying water mist to fuse dust in high-temperature dust-containing gas; the water collecting tank is communicated with the air inlet spraying cover and is used for collecting the dust-containing water flowing out of the air inlet spraying cover; the dust removing cylinder is filled with water and communicated with the air passage of the air inlet spraying cover, and is used for removing dust and cooling high-temperature dust-containing gas discharged by the air inlet spraying cover.
4. The composite dedusting device for the calcium hydroxide production line as recited in claim 3, wherein the water mist dedusting unit further comprises a high pressure fan, and the high pressure fan is communicated with the dedusting barrel.
5. The composite dedusting device for the calcium hydroxide production line as recited in claim 3, wherein the spraying device comprises a pumping element, a spraying pipe and an atomized water spray head, a water inlet of the pumping element is communicated with the water collection tank, a water outlet of the pumping element is communicated with the atomized water spray head through the spraying pipe, and the atomized water spray head is arranged at a water inlet of the lime agitator.
6. The composite dust removing device for the calcium hydroxide production line according to claim 5, wherein the preheating unit further comprises an intelligent water distribution device for controlling the water supply amount of the spraying device.
7. The composite dust removing device for the calcium hydroxide production line as claimed in claim 6, wherein the dust removing cylinder is communicated with the water channel of the water collecting tank for replenishing water to the water collecting tank; the intelligent water distribution device comprises a feeding weighing element, a flowmeter and an adjusting valve, wherein the feeding weighing element is configured corresponding to the lime stirrer and used for measuring the feeding amount of lime, and the flowmeter and the adjusting valve are arranged in a pipeline of the spray pipe and used for adjusting the flow of water in the spray pipe according to the feeding amount of the lime.
8. The composite dedusting device for the calcium hydroxide production line as recited in claim 7, wherein the preheating unit further comprises an intelligent temperature control device for controlling the temperature of the water supplied by the spraying device.
9. The composite dedusting device for the calcium hydroxide production line as recited in claim 8, wherein the intelligent temperature control device comprises a temperature sensor, a water inlet control valve and a floating ball level controller.
10. A calcium hydroxide production line, characterized by comprising the composite dust removing device for the calcium hydroxide production line according to any one of claims 1 to 9.
CN202122854892.XU 2021-11-19 2021-11-19 Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line Active CN216677553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122854892.XU CN216677553U (en) 2021-11-19 2021-11-19 Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122854892.XU CN216677553U (en) 2021-11-19 2021-11-19 Composite dust removal device for calcium hydroxide production line and calcium hydroxide production line

Publications (1)

Publication Number Publication Date
CN216677553U true CN216677553U (en) 2022-06-07

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