CN219663343U - Pickling passivation line exhaust treatment device - Google Patents
Pickling passivation line exhaust treatment device Download PDFInfo
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- CN219663343U CN219663343U CN202320600545.0U CN202320600545U CN219663343U CN 219663343 U CN219663343 U CN 219663343U CN 202320600545 U CN202320600545 U CN 202320600545U CN 219663343 U CN219663343 U CN 219663343U
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- 238000005554 pickling Methods 0.000 title claims abstract description 24
- 238000002161 passivation Methods 0.000 title claims abstract description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 116
- 239000002912 waste gas Substances 0.000 claims abstract description 99
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 21
- 230000003020 moisturizing effect Effects 0.000 claims abstract 6
- 238000003860 storage Methods 0.000 claims description 26
- 238000005507 spraying Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 abstract description 29
- 238000002360 preparation method Methods 0.000 abstract description 24
- 238000005406 washing Methods 0.000 abstract description 22
- 239000002253 acid Substances 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 13
- 239000003595 mist Substances 0.000 description 8
- 230000001502 supplementing effect Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to an acid pickling passivation line waste gas treatment device, and belongs to the technical field of waste gas treatment. The bottom of exhaust-gas treatment tower is provided with the moisturizing pipe that is linked together rather than the inner chamber, be provided with the control valve of control moisturizing pipe break-make on the moisturizing pipe, the interior bottom of exhaust-gas treatment tower is provided with liquid level sensor and lower liquid level sensor, and when the liquid level in the exhaust-gas treatment tower descends to the liquid level sensor below can't be detected down, the control valve opens, and when the liquid level in the exhaust-gas treatment tower reached liquid level sensor and was detected, the control valve was closed, the bottom of exhaust-gas treatment tower still is provided with the feeding device who supplies sodium hydroxide powder to the interior bottom of the exhaust-gas treatment tower. The beneficial effects are that: and the new added clear water and the new added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
Description
Technical Field
The utility model relates to an acid pickling passivation line waste gas treatment device, and belongs to the technical field of waste gas treatment.
Background
The surface of the stainless steel casting is often provided with black oxide skin and other metal oxides after being processed, and the surface of the stainless steel casting needs to be pickled and passivated so as to improve the surface quality and corrosion resistance. The existing pickling line is manually transported among different liquid pools, so that the production efficiency is low, the labor cost is high, and the labor intensity of workers is high. Acid mist waste gas with a certain amount can be generated in the process of acid washing passivation treatment, the volatilized acid mist waste gas can harm the health of workshop workers, and the acid mist waste gas is required to be treated by adopting an acid washing passivation line waste gas treatment device, namely, the waste gas is washed by adopting sodium hydroxide alkali liquor.
Patent number is CN201520488854.9, discloses an acid mist exhaust gas treatment equipment, including absorption tower, exhaust tower, circulation cistern and fan, circulation cistern passes through pipe connection with the absorption tower, and provides the liquid that is used for absorbing acid mist waste gas for the absorption tower, the absorption tower is equipped with air inlet and gas outlet, the fan includes inlet scoop and blast gate, the air inlet is used for leading-in acid mist waste gas, gas outlet and inlet scoop sealing connection, air gate and exhaust tower sealing connection, characterized by: the acid mist detector is arranged at the position of the air outlet and comprises a detection probe and a detector body, the detection probe is connected with the detector body through wires, the air outlet is provided with a filter screen, the detection probe is arranged on the filter screen, and the acid mist waste gas treatment equipment can detect whether final exhaust gas reaches the standard or not, so that standard emission of waste gas can be guaranteed, and air pollution caused by substandard gas is prevented.
Although the above patent can realize the waste gas treatment function, the prior art has incomplete consideration and the following disadvantages:
when the liquid level in the waste gas treatment tower is reduced below the lower liquid level sensor and cannot be detected, the control valve is controlled to be opened, clean water is added to the inner bottom of the waste gas treatment tower, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through the feeding device according to the proportioning requirement, and new added clean water and new added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
When the liquid level in the waste gas treatment tower is reduced below a lower liquid level sensor and cannot be detected, a control valve is controlled to be opened, clear water is supplemented to the inner bottom of the waste gas treatment tower, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through a feeding device according to the proportioning requirement, and newly added clear water and newly added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
Disclosure of Invention
In order to solve one of the above problems, according to the above shortcomings in the prior art, the present utility model aims to solve the technical problems: how to realize that when the liquid level in the waste gas treatment tower drops below a lower liquid level sensor and cannot be detected, the control valve is controlled to be opened, clean water is added to the inner bottom of the waste gas treatment tower, meanwhile, sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through the feeding device according to the proportioning requirement, and the newly added clean water and the newly added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, the alkali liquor preparation cost is reduced, and the waste gas treatment device for the pickling passivation line is provided.
The utility model relates to an acid pickling passivation line waste gas treatment device, which comprises a gas collecting hood covered above a pickling tank, wherein a gas outlet of the gas collecting hood is communicated with a gas inlet of a waste gas treatment tower through a pipeline A, a gas outlet of the waste gas treatment tower is communicated with a gas inlet of a recovery fan through a pipeline B, a direct exhaust chimney is arranged on the gas outlet of the recovery fan, the recovery fan is used for conveying waste gas in the gas collecting hood to the waste gas treatment tower through the pipeline A for purification treatment, and discharging the gas treated by the waste gas treatment tower through a pipeline B, the recovery fan and the direct exhaust chimney.
When the liquid level in the waste gas treatment tower falls below the lower liquid level sensor and cannot be detected, the control valve is controlled to be opened, clean water is supplemented to the inner bottom of the waste gas treatment tower, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through the feeding device according to the proportioning requirement, and the newly added clean water and the newly added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
Preferably, the feeding device comprises a plurality of tubular bins which are arranged side by side and are used for containing sodium hydroxide, the top of each tubular bin is provided with a feeding opening, an upper cover is buckled on the feeding opening, an electric control butterfly valve is arranged at the bottom opening of each tubular bin, the outlet of the electric control butterfly valve is arranged on the outer wall of the bottom of the waste gas treatment tower and is communicated with the inner cavity of the waste gas treatment tower, a vibrator is further arranged on the outer wall of each tubular bin, quantitative sodium hydroxide is filled in the tubular bin according to the proportion, alkali liquid meeting washing requirements can be obtained after the sodium hydroxide in each tubular bin is mixed with new added clear water, after the butterfly valve is opened, the vibrator is started, and sodium hydroxide in the tubular bin can be smoothly discharged into the waste gas treatment tower, and timely feeding is carried out in the tubular bin during maintenance.
Preferably, the tubular storage bins are provided with three groups, one group of tubular storage bins are sequentially opened each time, and the three groups of tubular storage bins are completely emptied and then are concentrated to be refilled.
Preferably, the waste gas treatment tower comprises a tower body, the inner bottom of the tower body is a liquid storage tank, a demister, a packing layer and a spraying device matched with the packing layer are arranged on the inner upper portion of the tower body from top to bottom, the spraying device is communicated with a water outlet of a circulating pump through a first water pipe, the water outlet of the circulating pump is communicated with the liquid storage tank at the inner bottom of the tower body through a second water pipe, and an electric control valve A and an electric control valve B are respectively arranged on the first water pipe and the second water pipe. Under the open state of the circulating pump, the normal spraying washing operation needs to open the electric control valve A and close the electric control valve B, and if the washing liquid in the liquid storage tank needs to be stirred uniformly, the electric control valve A and the electric control valve B need to be closed. Typically, after the addition of sodium hydroxide powder, the reservoir wash solution is stirred and mixed.
Preferably, the tubular bin is made of stainless steel.
Preferably, the upper liquid level sensor and the lower liquid level sensor are electrically connected with the signal input end of the controller, collect liquid level signals, and the electric control butterfly valve, the vibrator, the control valve, the circulating pump, the electric control valve A and the electric control valve B are electrically connected with the signal output end of the controller, so that the opening and closing of components are controlled according to the requirement.
Compared with the prior art, the utility model has the following beneficial effects:
according to the waste gas treatment device for the pickling passivation line, when the liquid level in the waste gas treatment tower falls below the lower liquid level sensor and cannot be detected, the control valve is controlled to be opened, clean water is added to the inner bottom of the waste gas treatment tower, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through the feeding device according to the proportioning requirement, and the newly added clean water and the newly added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, an external stirring and weighing instrument is not needed, and the alkali liquor preparation cost is reduced.
According to the waste gas treatment device for the pickling passivation line, quantitative sodium hydroxide is filled in the tubular storage bins according to the proportion, alkali liquor meeting the washing requirement can be obtained after the sodium hydroxide in each tubular storage bin is mixed with fresh water, and after the butterfly valve is opened, the vibrator is started, so that the sodium hydroxide in the tubular storage bins can be smoothly discharged into the waste gas treatment tower, and the materials in the tubular storage bins are timely fed during maintenance.
According to the pickling passivation line waste gas treatment device, under the state that the circulating pump is started, the electric control valve A is required to be opened and the electric control valve B is required to be closed in normal spraying washing operation, and if the washing liquid in the liquid storage tank is required to be stirred uniformly, the electric control valve A is required to be closed and the electric control valve B is required to be opened.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view showing the external structure of the exhaust gas treatment tower of the present utility model;
fig. 3 is a block diagram of three sets of tubular bins.
In the figure: 1. the device comprises a gas collecting hood 2, a pipeline A3, a recovery fan 4, an exhaust gas treatment tower 4.1, a tower body 4.2, a demister 4.3, a filler layer 4.4, a spraying device 4.5, a circulating pump 5, a direct exhaust chimney 6, a pipeline B7, an upper liquid level sensor 8, a lower liquid level sensor 9, a control valve 10, a water supplementing pipe 11, a tubular stock bin 12, an electric control butterfly valve 13 and a vibrator.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Examples
As shown in fig. 1-2, the waste gas treatment device for the pickling passivation line comprises a gas collecting hood 1 covered above a pickling tank, a gas outlet of the gas collecting hood 1 is communicated with a gas inlet of a waste gas treatment tower 4 through a pipeline A2, a gas outlet of the waste gas treatment tower 4 is communicated with a gas inlet of a recovery fan 3 through a pipeline B6, a direct exhaust chimney 5 is arranged on the gas outlet of the recovery fan 3, the recovery fan 3 is used for conveying waste gas in the gas collecting hood 1 to the waste gas treatment tower 4 for purification treatment through the pipeline A2, and discharging the gas treated by the waste gas treatment tower 4 through the pipeline B6, the recovery fan 3 and the direct exhaust chimney 5, a water supplementing pipe 10 communicated with an inner cavity of the waste gas treatment tower 4 is arranged at the bottom of the waste gas treatment tower 4, a control valve 9 for controlling the on-off of the water supplementing pipe 10 is arranged on the water supplementing pipe 10, an upper liquid level sensor 7 and a lower liquid level sensor 8 are arranged at the inner bottom of the waste gas treatment tower 4, when the liquid level in the waste gas treatment tower 4 drops below the lower liquid level sensor 8 and cannot be detected, the control valve 9 is controlled, and when the liquid level in the waste gas treatment tower 4 reaches the lower liquid level sensor 8, the waste gas treatment tower 4 reaches the bottom of the waste gas treatment tower 4, and the waste gas treatment tower is further provided with a sodium hydroxide powder treatment device.
When the liquid level in the waste gas treatment tower 4 falls below the lower liquid level sensor 8 and cannot be detected, the control valve 9 is controlled to be opened, clean water is added to the inner bottom of the waste gas treatment tower 4, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower 4 through the feeding device according to the proportioning requirement, and the newly added clean water and the newly added sodium hydroxide powder are mixed in the waste gas treatment tower 4 to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
Examples
As shown in fig. 1-2, the waste gas treatment device for the pickling passivation line comprises a gas collecting hood 1 covered above a pickling tank, a gas outlet of the gas collecting hood 1 is communicated with a gas inlet of a waste gas treatment tower 4 through a pipeline A2, a gas outlet of the waste gas treatment tower 4 is communicated with a gas inlet of a recovery fan 3 through a pipeline B6, a direct exhaust chimney 5 is arranged on the gas outlet of the recovery fan 3, the recovery fan 3 is used for conveying waste gas in the gas collecting hood 1 to the waste gas treatment tower 4 for purification treatment through the pipeline A2, and discharging the gas treated by the waste gas treatment tower 4 through the pipeline B6, the recovery fan 3 and the direct exhaust chimney 5, a water supplementing pipe 10 communicated with an inner cavity of the waste gas treatment tower 4 is arranged at the bottom of the waste gas treatment tower 4, a control valve 9 for controlling the on-off of the water supplementing pipe 10 is arranged on the water supplementing pipe 10, an upper liquid level sensor 7 and a lower liquid level sensor 8 are arranged at the inner bottom of the waste gas treatment tower 4, when the liquid level in the waste gas treatment tower 4 drops below the lower liquid level sensor 8 and cannot be detected, the control valve 9 is controlled, and when the liquid level in the waste gas treatment tower 4 reaches the lower liquid level sensor 8, the waste gas treatment tower 4 reaches the bottom of the waste gas treatment tower 4, and the waste gas treatment tower is further provided with a sodium hydroxide powder treatment device.
Further, feeding device includes a plurality of tubular feed bin 11 that are used for splendid attire sodium hydroxide that set up side by side, the top of tubular feed bin 11 has the charge door, and the lock has the upper cover on this charge door, automatically controlled butterfly valve 12 is installed to the bottom opening of tubular feed bin 11, automatically controlled butterfly valve 12's mouth is gone out and is installed on the outer wall of waste gas treatment tower 4 bottom, communicates with the inner chamber of waste gas treatment tower 4, still install vibrator 13 on the outer wall of tubular feed bin 11, pack quantitative sodium hydroxide according to the ratio in tubular feed bin 11, can obtain the alkali lye that accords with the washing requirement after the sodium hydroxide in every tubular feed bin 11 mixes with new additional clear water, and after butterfly valve 12 opened, open vibrator 13, can be smooth with the sodium hydroxide in the tubular feed bin 11 in exhaust gas treatment tower 4, in time the feed supplement in tubular feed bin 11 during the maintenance.
Further, referring to fig. 3, the tubular storage bins 11 are provided with three groups, a group of tubular storage bins are sequentially opened each time, after all the three groups of tubular storage bins 11 are emptied, the refilling is concentrated, and each time, firstly weighing and then adding quantitative sodium hydroxide into the tubular storage bins 11 as required, and the materials in the tubular storage bins 11 are emptied once as required.
Further, the waste gas treatment tower 4 comprises a tower body 4.1, the inner bottom of the tower body 4.1 is a liquid storage tank, a demister 4.2, a packing layer 4.3 and a spraying device 4.4 matched with the packing layer 4.3 are arranged on the inner upper portion of the tower body 4.1 from top to bottom, the spraying device 4.4 is communicated with a water outlet of a circulating pump 4.5 through a first water pipe, the water outlet of the circulating pump 4.5 is communicated with the liquid storage tank on the inner bottom of the tower body 4.1 through a second water pipe, and an electric control valve A and an electric control valve B are respectively arranged on the first water pipe and the second water pipe. In the open state of the circulating pump 4.5, the normal spraying washing operation needs to open the electric control valve A and close the electric control valve B, and if the washing liquid in the liquid storage tank needs to be stirred uniformly, the electric control valve A and the electric control valve B need to be closed. Typically, after the addition of sodium hydroxide powder, the reservoir wash solution is stirred and mixed.
Further, the tubular bin 11 is made of stainless steel.
Further, the upper liquid level sensor 7 and the lower liquid level sensor 8 are electrically connected with the signal input end of the controller, collect liquid level signals, and the electric control butterfly valve 12, the vibrator 13, the control valve 9, the circulating pump 4.5, the electric control valve A and the electric control valve B are electrically connected with the signal output end of the controller, so that the opening and closing of components are controlled according to requirements. The present embodiment is an improvement over the prior art in that the hardware portions, while the computer programs involved are simple programs that one skilled in the art could readily implement their functions using existing computer program development platforms and well known programming methods.
According to the waste gas treatment device for the pickling passivation line, when the liquid level in the waste gas treatment tower falls below the lower liquid level sensor and cannot be detected, the control valve is controlled to be opened, clean water is added to the inner bottom of the waste gas treatment tower, meanwhile sodium hydroxide powder is quantitatively added to the inner bottom of the waste gas treatment tower through the feeding device according to the proportioning requirement, and the newly added clean water and the newly added sodium hydroxide powder are mixed in the waste gas treatment tower to obtain alkali liquor meeting the washing requirement, so that the alkali liquor preparation efficiency is improved, the accuracy of the preparation concentration is ensured, the labor intensity of workers is reduced, and the alkali liquor preparation cost is reduced.
According to the waste gas treatment device for the pickling passivation line, quantitative sodium hydroxide is filled in the tubular storage bins according to the proportion, alkali liquor meeting the washing requirement can be obtained after the sodium hydroxide in each tubular storage bin is mixed with fresh water, and after the butterfly valve is opened, the vibrator is started, so that the sodium hydroxide in the tubular storage bins can be smoothly discharged into the waste gas treatment tower, and the materials in the tubular storage bins are timely fed during maintenance.
According to the pickling passivation line waste gas treatment device, under the state that the circulating pump is started, the electric control valve A is required to be opened and the electric control valve B is required to be closed in normal spraying washing operation, and if the washing liquid in the liquid storage tank is required to be stirred uniformly, the electric control valve A is required to be closed and the electric control valve B is required to be opened.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (5)
1. The utility model provides a pickling passivation line exhaust treatment device, includes the gas collecting channel of cover in the pickling tank top, the gas outlet of gas collecting channel communicates through pipeline A with the air inlet of exhaust treatment tower, and the gas outlet of exhaust treatment tower is linked together through pipeline B and the air inlet of retrieving the fan, installs the direct vent on the gas outlet of retrieving the fan, retrieve the fan and be arranged in carrying the waste gas in the gas collecting channel to the exhaust treatment tower through pipeline A purification treatment to with the gas after the exhaust treatment tower handles is discharged through pipeline B, retrieving fan, direct vent chimney, its characterized in that, the bottom of exhaust treatment tower is provided with the moisturizing pipe that is linked together with its inner chamber, be provided with the control valve of control moisturizing pipe break-make on the moisturizing pipe, the inner bottom of exhaust treatment tower is provided with liquid level sensor and lower liquid level sensor down, and control valve opens when the liquid level sensor in the exhaust treatment tower drops below can't be detected down, and when the liquid level sensor in the exhaust treatment tower reaches and is detected, control valve closes, the bottom of exhaust treatment tower still is provided with the feeding device to the inner bottom of sodium hydroxide powder exhaust treatment tower.
2. The pickling passivation line waste gas treatment device according to claim 1, wherein the feeding device comprises a plurality of tubular bins which are arranged side by side and used for containing sodium hydroxide, the top of each tubular bin is provided with a feeding opening, an upper cover is buckled on each feeding opening, an electric control butterfly valve is arranged at the bottom opening of each tubular bin, an outlet of each electric control butterfly valve is arranged on the outer wall of the bottom of the waste gas treatment tower and communicated with the inner cavity of the waste gas treatment tower, and a vibrator is further arranged on the outer wall of each tubular bin.
3. The pickling passivation line exhaust gas treatment device according to claim 2, wherein the tubular silo is provided with three groups.
4. The pickling passivation line waste gas treatment device according to claim 3, wherein the waste gas treatment tower comprises a tower body, the inner bottom of the tower body is a liquid storage tank, a demister, a packing layer and a spraying device matched with the packing layer are arranged on the inner upper portion of the tower body from top to bottom, the spraying device is communicated with a water outlet of a circulating pump through a first water pipe, the water outlet of the circulating pump is communicated with the liquid storage tank on the inner bottom of the tower body through a second water pipe, and an electric control valve A and an electric control valve B are respectively arranged on the first water pipe and the second water pipe.
5. The pickling passivation line exhaust gas treatment device of claim 4, wherein the tubular bin is a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600545.0U CN219663343U (en) | 2023-03-24 | 2023-03-24 | Pickling passivation line exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600545.0U CN219663343U (en) | 2023-03-24 | 2023-03-24 | Pickling passivation line exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219663343U true CN219663343U (en) | 2023-09-12 |
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ID=87897977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320600545.0U Active CN219663343U (en) | 2023-03-24 | 2023-03-24 | Pickling passivation line exhaust treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN219663343U (en) |
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2023
- 2023-03-24 CN CN202320600545.0U patent/CN219663343U/en active Active
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