CN218281238U - Washing and separating device for high arsenic-containing flue gas - Google Patents
Washing and separating device for high arsenic-containing flue gas Download PDFInfo
- Publication number
- CN218281238U CN218281238U CN202222482147.1U CN202222482147U CN218281238U CN 218281238 U CN218281238 U CN 218281238U CN 202222482147 U CN202222482147 U CN 202222482147U CN 218281238 U CN218281238 U CN 218281238U
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- heat exchanger
- arsenic
- flue gas
- washing
- upper portion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model provides a washing is deviate from device for high arsenic flue gas that contains, including the scrubbing tower, the heat exchanger, its characterized in that: the scrubbing tower is glass steel material drum structure, and a exhanst gas outlet is seted up at the scrubbing tower top, and the scrubbing tower bottom is for leaking hopper-shaped collecting pit, and the heat exchanger is tubular seal structure, and the heat exchanger is installed upper portion position in the scrubbing tower left side, and heat exchanger upper portion left side is provided with the flue gas import, and upper portion position is provided with high-efficient washing shower nozzle in the heat exchanger, is to the current wet process receipts arsenic technology not enough high-efficient washing dust collector who provides, realizes the washing purification and the resource utilization of deviating from of arsenic sediment of high arsenic flue gas.
Description
Technical Field
The utility model relates to an environmental protection atmosphere administers technical field, specifically a washing and deviating from device for high arsenic flue gas.
Background
At present, methods for purifying and recovering arsenic in smelting high-arsenic flue gas mainly comprise a dry cloth bag arsenic collecting process and a wet arsenic collecting process. The dry-type cloth bag arsenic collecting process which is commonly adopted at home and abroad is applied by a plurality of enterprises for many years, the temperature of flue gas from the dry-type cloth bag arsenic collecting process to the inlet of a cloth bag dust collector is 170-180 ℃ in the actual operation process, the flue gas is easy to have the condensation phenomenon, the flue gas generates condensation (dilute acid liquid), the cloth bag dust collector is blocked, the pipeline is corroded, the equipment maintenance workload is large, the operation effect is not ideal, the recovery rate of metal smoke dust and arsenide is low, and the like.
SUMMERY OF THE UTILITY MODEL
To the problem that exists in the background art, the utility model provides a washing is deviate from device for high arsenic flue gas is to the current wet process receipts arsenic technology is not enough the high-efficient washing dust collector who provides, realizes purifying and deviating from the resource utilization of arsenic sediment to the washing of high arsenic flue gas.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a wash and deviate from device for high arsenic flue gas, includes scrubbing tower, heat exchanger, its characterized in that: the scrubbing tower is glass steel material drum structure, and a exhanst gas outlet is seted up at the scrubbing tower top, and the scrubbing tower bottom is for leaking hopper-shaped collecting pit, and the heat exchanger is tubular seal structure, and the heat exchanger is installed in the upper portion position in the scrubbing tower left side, and heat exchanger upper portion left side is provided with the flue gas import, and the upper portion position is provided with high-efficient washing shower nozzle in the heat exchanger.
As a further improvement, the heat exchanger lower part is provided with the shrink section, and the diameter of shrink section is between 50% -75% of heat exchanger upper portion diameter, through the pipe diameter of shrink heat exchanger, can improve flue gas velocity, and the mass transfer effect is realized to the turbulence of increase gas-liquid, improves flue gas dearsenification efficiency better.
As the utility model discloses a further improvement, washing tower bottom is provided with the pipeline and connects gradually except that arsenic reaction tank, filter equipment, circulation liquid bath, removes the inside paddle that is provided with of arsenic reaction tank, removes to install circulating pump I on the pipeline between arsenic reaction tank and the scrubbing tower, removes to install circulating pump II on the pipeline between arsenic reaction tank and the filter equipment, installs circulating pump III on the pipeline between filter equipment and the circulation liquid bath, is connected through the pipeline between circulation liquid bath and the high-efficient washing shower nozzle.
As a further improvement, the heat exchanger is externally provided with a water jacket.
The utility model discloses the theory of operation:
the high-efficiency washing spray head is arranged at a flue gas inlet and can effectively wash and purify high-arsenic flue gas, the lower part of the washing tower is provided with a funnel-shaped collecting tank, precipitates of circulating liquid can be effectively collected and then are pumped out by the circulating pump I, the arsenic removal reaction tank is connected with the circulating pump II and the washing tower, the circulating liquid pumped out of the washing tower reacts with an arsenic precipitation agent added at an arsenic precipitation agent port of the arsenic removal reaction tank to generate high-concentration arsenic-containing slag, the filtering device is connected with the circulating pump II arsenic removal reaction tank, high-concentration arsenic-containing slag generated in the arsenic removal reaction tank is filtered, supernatant filtrate is recycled after passing through the circulating pump III circulating liquid tank, and the high-concentration arsenic-containing slag is subjected to water removal and resource utilization through the filtering device.
The utility model has the advantages that:
the utility model discloses a heat exchanger is with arsenic and the washing liquid intermixture absorption in the flue gas, can the efficient get rid of the arsenic in the smoke and dust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
The utility model provides a wash and remove device for high arsenic flue gas, includes scrubbing tower 1, heat exchanger 13, its characterized in that: scrubbing tower 1 is glass steel material drum structure, a exhanst gas outlet 11 is seted up on 1 upper portion of scrubbing tower, 1 bottom of scrubbing tower is for leaking hopper-shaped collecting pit, heat exchanger 13 is tubular seal structure, upper portion position in 1 left side of scrubbing tower is installed to heat exchanger 13, heat exchanger 13 upper portion left side is provided with flue gas inlet 10, upper portion position is provided with high-efficient washing shower nozzle 9 in the heat exchanger 13, the utility model discloses a heat exchanger 13 that the diameter is less is as main reaction unit, because the diameter is smaller for scrubbing tower 1, adsorption reaction is more abundant effective like this, and whole heat exchanger 13 adopts the seal structure design, under the condition of continuous transport pressure, promote mixed liquid and flow toward scrubbing tower 1, reaction adsorption equipment before scrubbing tower 1 is followed, become a storage container, the liquid outlet of heat exchanger 13 submerges at scrubbing tower 1 liquid level once, have great help to the arsenic desorption in the flue gas.
Further, heat exchanger 13 lower part is provided with shrink section 14, and the diameter of shrink section 14 is half on heat exchanger 13 upper portion, the utility model discloses design shrinkage structure in heat exchanger 13 lower part forms a spray pattern, and under the pressure rise's the condition, the mixed absorption of simulation pulse mixed mode, adsorption efficiency further strengthens.
Further, 1 bottom of scrubbing tower is provided with the pipeline and connects gradually arsenic removal reaction tank 3, filter equipment 6, circulating liquid pond 8, remove 3 inside paddles 4 that are provided with of arsenic reaction tank, remove and install circulating pump I2 on the pipeline between arsenic reaction tank 3 and the scrubbing tower 1, remove and install circulating pump II 5 on the pipeline between arsenic reaction tank 3 and the filter equipment 6, install circulating pump III 7 on the pipeline between filter equipment 6 and the circulating liquid pond 8, be connected through the pipeline between circulating liquid pond 8 and the high-efficient washing shower nozzle 9, add heavy arsenic medicament in arsenic removal reaction tank, separate arsenic, arsenic that separates out in the solution that utilizes filter equipment to pair carries out dearsenification, so that can carry out the recycle with the supernatant, it also can carry out corresponding arsenic recovery operation to contain the arsenic filter residue simultaneously.
Further, the water jacket 12 is arranged outside the heat exchanger 13, and since the smoke temperature is generally about 170 ℃, the reaction temperature of the heat exchanger 13 is high, the water jacket 12 is adopted to cool the heat exchanger 13, the reaction temperature is effectively controlled, and the generation of water vapor is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a wash and remove device for high arsenic flue gas, includes scrubbing tower (1), heat exchanger (13), its characterized in that: washing tower (1) is glass steel material drum structure, and a exhanst gas outlet (11) are seted up on washing tower (1) upper portion, and washing tower (1) bottom is for leaking hopper-shaped collecting pit, and heat exchanger (13) are tubular seal structure, and upper portion position in washing tower (1) left side is installed in heat exchanger (13), and heat exchanger (13) upper portion left side is provided with flue gas inlet (10), and upper portion position is provided with high-efficient washing shower nozzle (9) in heat exchanger (13).
2. The scrubbing and stripping device for the high arsenic flue gas as claimed in claim 1, wherein: the lower part of the heat exchanger (13) is provided with a contraction section (14), and the diameter range of the contraction section (14) is 50-75% of the diameter of the upper part of the heat exchanger (13).
3. The scrubbing and stripping device for the high arsenic flue gas as claimed in claim 1, wherein: washing tower (1) bottom is provided with the pipeline and connects gradually and removes arsenic reaction tank (3), filter equipment (6), circulating liquid pond (8), remove arsenic reaction tank (3) inside and be provided with paddle (4), install circulating pump I (2) on the pipeline between arsenic reaction tank (3) and washing tower (1), install circulating pump II (5) on the pipeline between arsenic reaction tank (3) and filter equipment (6), install circulating pump III (7) on the pipeline between filter equipment (6) and circulating liquid pond (8), be connected through the pipeline between circulating liquid pond (8) and high-efficient washing shower nozzle (9).
4. The scrubbing and stripping device for the high arsenic flue gas as claimed in claim 1, wherein: and a water jacket (12) is arranged outside the heat exchanger (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482147.1U CN218281238U (en) | 2022-09-20 | 2022-09-20 | Washing and separating device for high arsenic-containing flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482147.1U CN218281238U (en) | 2022-09-20 | 2022-09-20 | Washing and separating device for high arsenic-containing flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218281238U true CN218281238U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222482147.1U Active CN218281238U (en) | 2022-09-20 | 2022-09-20 | Washing and separating device for high arsenic-containing flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218281238U (en) |
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2022
- 2022-09-20 CN CN202222482147.1U patent/CN218281238U/en active Active
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