CN211189630U - A smoke and dust purifier for zinc oxide production - Google Patents
A smoke and dust purifier for zinc oxide production Download PDFInfo
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- CN211189630U CN211189630U CN201922118416.4U CN201922118416U CN211189630U CN 211189630 U CN211189630 U CN 211189630U CN 201922118416 U CN201922118416 U CN 201922118416U CN 211189630 U CN211189630 U CN 211189630U
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Abstract
The application discloses a smoke and dust purifier for zinc oxide production belongs to zinc oxide production technical field. This smoke and dust purifier includes: the tower body comprises an inlet, a filter, a spraying device, a gas-liquid separation layer and an outlet from bottom to top in sequence; a filtrate tank arranged at the bottom of the tower body; a filter structure inside the filtrate tank; an exhaust conduit connected to the outlet; and a nitrogen dioxide sensor is arranged in the exhaust pipeline. The device is convenient for clear up the smoke and dust deposit, realizes dust removal and degassing integration, and the denitration is thorough.
Description
Technical Field
The application relates to a smoke and dust purifier for zinc oxide production belongs to zinc oxide production technical field.
Background
With the wider application of zinc oxide, the requirement for zinc oxide production is higher and higher. In the production process of zinc oxide, can produce a large amount of smoke and dust, mainly include zinc oxide smoke and dust granule and nitrogen oxide gaseous pollutant in the smoke and dust, nitrogen oxide gaseous pollutant mainly includes nitrogen dioxide and nitric oxide, and nitric oxide is easily oxidized into nitrogen dioxide in the air, and nitrogen dioxide is discharged and is easily formed acid rain in the air and cause environmental pollution, consequently need handle the smoke and dust that produces.
Currently, the smoke treatment systems used in the market mainly have the following problems: the dust removal and degassing processes need to be processed in two or more devices, the structure is complex, the function is single, a plurality of devices need to be dismantled for maintenance, and the maintenance efficiency is low; when the smoke and dust processing system is an overall structure, denitration is not thorough, causes the wasting of resources, can not reach energy-concerving and environment-protective purpose, perhaps when clearing up the smoke and dust deposit, needs to dismantle overall structure, and it is big to dismantle the difficulty, leads to the cleaning efficiency low grade problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides a smoke and dust purification device for zinc oxide production, which is convenient for cleaning zinc oxide smoke and dust particles, and integrates dust removal and degassing and can thoroughly denitrate on the basis of summarizing the prior art.
The specific technical scheme of the application is as follows:
a smoke and dust purifier for zinc oxide production includes:
the tower body comprises an inlet, a filter, a spraying device, a gas-liquid separation layer and an outlet from bottom to top in sequence;
establish the filtrating pond in tower body bottom, include:
a slag discharge port arranged at the bottom of the filtrate tank; and
the filtering structure is arranged in the filtrate tank and can discharge the precipitate out of the filtrate tank through the residue discharge port;
the exhaust duct of connection export, the circulating line is installed to exhaust duct's the other end, and exhaust duct's inside is provided with the nitrogen dioxide sensor.
Optionally, the filtering structure is funnel-shaped, and the bottom of the filtering structure is aligned with the slag discharge port so that the sediment is discharged out of the filtrate tank.
Optionally, the periphery of filtration is equipped with the slider, and corresponding filtrating pool inner wall is equipped with the spout, so set up and make filtration reciprocate along filtrating pool inner wall.
Optionally, the filter is a honeycomb filter, and the inner walls of pores of the honeycomb filter are provided with an adsorption layer. Optionally, the spraying device comprises a first spraying pipe and a second spraying pipe arranged above the first spraying pipe, the first spraying pipe is connected with the outside air, and the second spraying pipe is connected with the denitration alkali liquor.
Further, the denitration alkali liquor is liquid ammonia.
Optionally, the inlet comprises a first inlet and a second inlet, the second inlet being connected to the circulation conduit.
Optionally, still include the tower body support of establishing at tower body bottom outer fringe to make the bottom in filtrate pond leave ground, the filtrate pond can be dismantled with the tower body bottom and be connected.
Furthermore, the filtrate tank is connected with the bottom of the tower body through a flange plate or a thread.
Benefits that can be produced by the present application include, but are not limited to:
1. according to the smoke and dust purification device for zinc oxide production, when smoke and dust entering through the inlet passes through the filter, the filter can shunt and homogenize the smoke and dust, and can adsorb part of zinc oxide smoke and dust particles, when the smoke and dust passes through the first spraying device, nitric oxide in the smoke and dust is oxidized into nitrogen dioxide, the nitrogen dioxide and atomized denitration alkali liquor are fully reacted, so that a denitration effect is achieved, when the treated smoke and dust passes through the gas-liquid separation layer, liquid is isolated in the tower body, and then dust removal and gas removal integration is achieved; when the treated gas enters the exhaust pipeline through the outlet and the nitrogen dioxide sensor detects that the nitrogen dioxide exceeds the standard, the treated gas can enter the tower body again through the circulating pipeline and be treated again until the denitration reaches the standard; when zinc oxide smoke and dust granule meets liquid or when rinsing the zinc oxide smoke and dust granule that the filter is internal to adsorb through spray set and precipitating to filtration, need not split filtrate pond and tower body, filtration is directly arranged to the outside in filtrate pond through row cinder notch.
2. The application provides a smoke and dust purifier for zinc oxide production, its filtration that leaks hopper-shaped passes through the cooperation of slider and spout, can reciprocate, and it is clean, convenient to arrange the sediment, has avoided the trouble of split filtrate pond and tower body clearance precipitate.
3. According to the smoke and dust purification device for zinc oxide production, the honeycomb filter can divide and homogenize smoke and dust through the porous structure with a certain length, the flow rate of the smoke and dust is reduced, so that smoke in the smoke and dust can fully react with denitration alkali liquor, and meanwhile, the adsorption layer can adsorb zinc oxide smoke and dust particles; when the filter holes are filled, the filter holes are dredged through the second spray pipe, so that the filter holes can be recycled.
4. The application provides a smoke and dust purifier for zinc oxide production sets up the tower body support at tower body bottom outer fringe, convenient to detach filtrate pond and tower body to convenient maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic overall structure diagram of a smoke purification device for zinc oxide production according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the internal structure of a smoke purification device for zinc oxide production according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a bottom view of a filter structure according to embodiments of the present application;
fig. 5 is a front view of a filter structure according to an embodiment of the present application.
List of parts and reference numerals:
1. the device comprises a tower body, 11, a first inlet, 12, a second inlet, 13, a filter, 141, a first spray pipe, 142, a second spray pipe, 15, a gas-liquid separation layer, 16, an outlet, 2, a filtrate tank, 21, a filter structure, 211, a sliding block, 212, a rotating shaft, 213, a filter structure side wall, 214, a filter structure bottom, 215, a cushion block, 22, a sliding chute, 23, a slag discharge port, 24, a slag discharge valve, 3, a fan, 4, an exhaust pipeline, 5, a circulating pipeline, 6, a sulfur dioxide sensor, 7 and a tower body support.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, in the embodiment of the invention, a smoke dust purification device for zinc oxide production. Comprises a tower body 1 and a filtrate tank 2 arranged at the bottom of the tower body 1, wherein a tower body bracket 7 is arranged at the periphery of the bottom of the tower body 1. The inside of tower body 1 is from upwards including first entry 11, the second entry 12 that circulating line 5 connects, filter 13, the first shower 141 of connecting fan 3, the second shower 142 of connecting external denitration alkali lye, last gas-liquid separation layer 15 in proper order down, and tower body 1 communicates exhaust duct 4 through export 16, and exhaust duct 4's inside is provided with nitrogen dioxide sensor 6, at the lateral wall intercommunication circulating line 5 of the exhaust duct 4 other end.
Specifically, the filter structure 21 is hopper-shaped, and the top periphery of filter structure 21 contacts with the inner wall of filtrate pond 2, and filter structure bottom 214 or at least filter structure lateral wall 213 are the filter layer, as long as can see through second shower 142 spun liquid and stay zinc oxide smoke and dust particle deposit on filter structure 21, and under the effect of liquid, zinc oxide smoke and dust particle deposit is washed away to filter structure bottom 214.
For better discharging zinc oxide smoke and dust particle sediment out of the filtrate tank 2, the filtering structure bottom 214 is movably connected with the filtering structure side wall 213, the filtering structure bottom 214 is aligned with the slag discharge port 23, the area of the filtering structure bottom 214 is not larger than that of the slag discharge port 23 and can extend out of the slag discharge port 23, and the filtering structure bottom 214 is opened through the slag discharge port 23 so that the smoke and dust particle sediment is discharged out of the filtrate tank 2.
Specifically, referring to fig. 4 and 5, the filter structure bottom 214 is connected to the filter structure side wall 213 by a rotation shaft 212, and the filter structure bottom 214 is horizontally movable by the rotation shaft 212. In another embodiment, the filter structure bottom 214 is hinged to one side of the filter structure side wall 213 and the opposite hinged side is snap-fit connected. The connection between the filter structure bottom 214 and the filter structure side wall 213 is not limited to the above two connections, as long as the filter structure bottom 214 can be opened to discharge the zinc oxide soot particle precipitate out of the filtrate tank 2.
Referring to fig. 2 again, the top periphery of filtration 21 is equipped with slider 211, and the spout 22 corresponding with slider 211 has been seted up to 2 inner walls in filtrating pool in vertical direction to make filtration 21 can reciprocate along 2 inner walls in filtrating pool, when opening the slag extractor valve 24 in the slag extractor 23, filtration bottom 214 stretches out the slag extractor 23, makes things convenient for operating personnel to open filtration bottom 214 and clears up smoke and dust particle precipitate. Meanwhile, at least one cushion block 215 is installed on the bottom surface of the bottom 214 of the filtering structure, the arrangement of the cushion block 215 can prevent the bottom 214 of the filtering structure from directly contacting the bottom of the filtrate tank, and when the filtrate tank 2 is filled with liquid, buoyancy is generated on the filtering structure 21, so that the bottom 214 of the filtering structure can conveniently filter smoke dust particle sediments.
Referring to fig. 3, the filter 13 is a honeycomb filter, and the inner walls of pores of the honeycomb filter are provided with an adsorption layer. Because honeycomb filter is porous structure, consequently can shunt, even smoke and dust to reduce the velocity of flow of smoke and dust, so that the flue gas in the smoke and dust fully reacts with outside denitration alkali lye, the existence of adsorbed layer simultaneously, the zinc oxide smoke and dust granule in the adsorbable smoke and dust, when the filter hole was filled up, accessible second shower 142 washed in order to dredge the filter hole, makes filter 13 reuse.
In prior art, some purifier's support mounting need dismantle the tower body during maintenance on the filtrate tank, and the maintenance degree of difficulty is very big, consequently for convenient dismantlement maintenance, tower body support 7 installs the periphery in 1 bottom of tower body in this embodiment, and filtrate tank 2 only need dismantle filtrate tank 2 when being connected or threaded connection maintenance through the ring flange with 1 bottom of tower body.
The utility model discloses a theory of operation: when smoke dust entering through the first inlet 11 passes through the filter 13, the filter 13 can shunt and homogenize the smoke dust and can adsorb part of zinc oxide smoke dust particles, when the smoke gas passes through the first spraying device, nitric oxide in the smoke dust is firstly oxidized into nitrogen dioxide, then the nitrogen dioxide fully reacts with atomized denitration alkali liquor when passing through the second spraying pipe 142 so as to achieve the denitration effect, and when the treated smoke gas passes through the gas-liquid separation layer 15, liquid is isolated in the tower body 1, so that dust removal and denitration are realized in the same device; when the treated gas enters the exhaust pipeline 4 through the outlet 16, the nitrogen dioxide sensor 6 detects the concentration of nitrogen dioxide, and when the concentration of the nitrogen dioxide exceeds the standard, the treated gas enters the tower body 1 again through the circulating pipeline 5 connected with the second inlet 12 and is treated again until the denitration reaches the standard; when zinc oxide smoke and dust granule meets liquid and deposits on filtration 2 through the zinc oxide smoke and dust granule of spray set flushing filter 13 internal adsorption, do not need split filtrate pond 2 and tower body 1, filtration 21 is direct arranges the outside in filtrate pond 2 through row cinder notch 23, simple structure conveniently arranges the sediment.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A smoke and dust purifier for zinc oxide production, its characterized in that includes:
the tower body comprises an inlet, a filter, a spraying device, a gas-liquid separation layer and an outlet from bottom to top in sequence;
establish the filtrating pond in tower body bottom, include:
a slag discharge port arranged at the bottom of the filtrate tank; and
the filtering structure is arranged in the filtrate tank and can discharge the precipitate out of the filtrate tank through the residue discharge port;
the exhaust duct of connection export, the circulating line is installed to exhaust duct's the other end, and exhaust duct's inside is provided with the nitrogen dioxide sensor.
2. The smoke and dust purification device for zinc oxide production according to claim 1, wherein the filtering structure is funnel-shaped, and the bottom of the filtering structure is aligned with a slag discharge port so that the sediment is discharged out of the filtrate tank.
3. The smoke and dust purification device for zinc oxide production according to claim 2, wherein the periphery of the filter structure is provided with a slide block, and the inner wall of the corresponding filter tank is provided with a slide groove, so that the filter structure can move up and down along the inner wall of the filter tank.
4. The smoke and dust purification device for zinc oxide production according to claim 1, wherein the filter is a honeycomb filter, and the inner walls of the pores of the honeycomb filter are provided with adsorption layers.
5. The smoke and dust purification device for zinc oxide production according to claim 1, wherein the spraying device comprises a first spraying pipe and a second spraying pipe arranged above the first spraying pipe, the first spraying pipe is connected with the outside air, and the second spraying pipe is connected with the denitration alkali liquor.
6. The smoke purification device for zinc oxide production according to claim 5, wherein the denitration alkali liquid is liquid ammonia.
7. The fume purification apparatus for zinc oxide production according to claim 1, wherein said inlet comprises a first inlet and a second inlet, said second inlet being connected to said circulation duct.
8. The smoke and dust purification device for zinc oxide production according to claim 1, further comprising a tower support provided at the outer edge of the bottom of the tower body so that the bottom of the filtrate tank is away from the ground, the filtrate tank being detachably connected to the bottom of the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118416.4U CN211189630U (en) | 2019-11-29 | 2019-11-29 | A smoke and dust purifier for zinc oxide production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118416.4U CN211189630U (en) | 2019-11-29 | 2019-11-29 | A smoke and dust purifier for zinc oxide production |
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| CN211189630U true CN211189630U (en) | 2020-08-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019104A (en) * | 2021-03-09 | 2021-06-25 | 安徽顺达环保科技股份有限公司 | A environment-friendly denitration dust collector for kiln flue gas |
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2019
- 2019-11-29 CN CN201922118416.4U patent/CN211189630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019104A (en) * | 2021-03-09 | 2021-06-25 | 安徽顺达环保科技股份有限公司 | A environment-friendly denitration dust collector for kiln flue gas |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dust purification device for zinc oxide production Effective date of registration: 20210425 Granted publication date: 20200807 Pledgee: Agricultural Bank of China Limited by Share Ltd. Huantai county subbranch Pledgor: Haishun New Materials Co.,Ltd. Registration number: Y2021980002976 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220421 Granted publication date: 20200807 Pledgee: Agricultural Bank of China Limited by Share Ltd. Huantai county subbranch Pledgor: Haishun New Materials Co.,Ltd. Registration number: Y2021980002976 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dust purification device for zinc oxide production Effective date of registration: 20220424 Granted publication date: 20200807 Pledgee: Agricultural Bank of China Limited by Share Ltd. Huantai county subbranch Pledgor: Haishun New Materials Co.,Ltd. Registration number: Y2022980004665 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |