CN220939968U - Chromic acid fog treatment device for chrome plating workshop - Google Patents
Chromic acid fog treatment device for chrome plating workshop Download PDFInfo
- Publication number
- CN220939968U CN220939968U CN202323015177.2U CN202323015177U CN220939968U CN 220939968 U CN220939968 U CN 220939968U CN 202323015177 U CN202323015177 U CN 202323015177U CN 220939968 U CN220939968 U CN 220939968U
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- fixedly connected
- box
- chromic acid
- workbench
- reaction
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- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 title claims abstract description 43
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 title claims abstract description 41
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000007747 plating Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 239000003595 mist Substances 0.000 claims abstract description 33
- 238000005260 corrosion Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 3
- 239000002440 industrial waste Substances 0.000 abstract description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 9
- 239000012535 impurity Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a chromic acid fog treatment device for a chrome plating workshop, which relates to the technical field of industrial waste gas treatment and comprises a workbench, wherein an air extractor, a reaction box and a recovery box are arranged in the workbench, an extraction opening of the air extractor is fixedly connected with a second corrugated pipe, an exhaust opening of the air extractor is fixedly connected with the reaction box, one end of the second corrugated pipe is fixedly connected with the air extractor, the other end of the second corrugated pipe is fixedly connected with an air extraction cover, an anti-corrosion filter screen is fixedly connected in the air extraction cover, a PH value sensor and a liquid storage box are fixedly arranged on the reaction box, and a waste liquid collection box is fixedly arranged below the reaction box; the reaction box is internally provided with an anti-corrosion water distributor, a one-way valve, a drainage plate and a liquid outlet; the waste liquid collecting box is fixedly connected with the liquid outlet, and the reaction box is fixedly connected with the recovery box through a guide pipe; the guide pipe is fixedly provided with the regulating valve, so that chromic acid mist can be effectively treated, and the safe discharge of the chromic acid mist is realized.
Description
Technical Field
The utility model belongs to the field of waste gas treatment, relates to an industrial waste gas treatment technology, and particularly relates to a chromic acid mist treatment device for a chromium plating workshop.
Background
During the chrome plating process, chromic acid reacts with chromium ions in the electrolyte to produce gaseous or vaporous chromic acid compounds. These chromic acid compounds form chromic acid mist under the conditions of high temperature and humidity, thereby being generated in the room. The chromic acid mist is a harmful substance and has a certain harm to the environment and the human health, so that corresponding treatment measures are required.
The patent with the authorized bulletin number of CN 214862470U discloses a chromic acid mist treatment device for a chrome plating workshop, which comprises a box body, wherein one end of the box body is provided with an extraction opening, the other end of the box body is provided with an exhaust port, an air extractor, a water tank and a purifying box are arranged in the box body, and a recovery box is also arranged in the water tank; the extraction opening is linked together with the exhaust end of air exhauster, and the exhaust end of air exhauster is connected with first gas-supply pipe, and the other end of first gas-supply pipe passes the water tank and stretches into the collection box in, and the collection box is inside to be provided with the filter screen, still wears to be equipped with the second gas-supply pipe on the collection box, and first gas-supply pipe and second gas-supply pipe are located the filter screen both sides respectively, and second gas-supply pipe one end is located the collection box, and the other end passes the water tank and stretches into the purifying box, and the second gas-supply pipe makes the collection box be linked together with the purifying box, and the purifying box is linked together with the gas vent.
Generally, the condensation temperature of chromic acid mist is usually between room temperature and 50 ℃, the scheme is not efficient enough to directly condense chromic acid mist with cold water, chromic acid has strong corrosiveness, and the direct screwing of a cover plate to a liquid outlet with a downward fixed opening is not beneficial to the subsequent collection of chromic acid.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present utility model proposes a chromic acid mist treatment apparatus for a chrome plating workshop, which solves the problems in the background art described above.
To achieve the above object, according to an embodiment of the first aspect of the present utility model, there is provided a chromic acid mist treatment device for a chrome plating workshop, comprising a workbench, wherein one end of the workbench is provided with a second corrugated pipe, the other end is provided with an exhaust pipe, an air pump, a reaction tank and a recovery tank are arranged in the workbench, an air pumping port of the air pump is fixedly connected with the second corrugated pipe, an air exhaust port of the air pump is fixedly connected with the reaction tank through a connecting pipe, one end of the second corrugated pipe is fixedly connected with the air pump, the other end extends out of the workbench and is fixedly connected with an air pumping cover, an anti-corrosion filter screen is fixedly connected in the air pumping cover,
The reaction tank is fixedly provided with a PH value sensor and a liquid storage tank, alkaline solution is stored in the liquid storage tank, and a waste liquid collecting box is fixedly arranged below the reaction tank; the reaction box is internally provided with an anti-corrosion water distributor, a one-way valve, a drainage plate and a liquid outlet; the waste liquid collecting box is fixedly connected with the liquid outlet, and the reaction box is fixedly connected with the recovery box through a guide pipe; and the guide pipe is fixedly provided with a regulating valve.
Preferably, one side of the workbench is fixedly connected with a collecting box; the anti-corrosion filter screen comprises a workbench, a collecting box, a first corrugated pipe, an air exhaust cover, an anti-corrosion filter screen and a working table.
Preferably, the corrosion-resistant water distributor is fixedly connected with the liquid storage tank, and the one-way valve is fixedly connected with an exhaust port of the air extractor.
Preferably, a liquid outlet is formed in the bottom of the reaction box, one end of the drainage plate is fixedly connected with the bottom of the reaction box, and the other end of the drainage plate is embedded into the bottom of the reaction box and is fixedly connected with the liquid outlet.
Preferably, the fiber filter screen and the activated carbon filter screen are slidably arranged in the recovery box, and the exhaust pipe is fixedly connected with the upper end of the recovery box.
Compared with the prior art, the utility model has the beneficial effects that:
An anti-corrosion filter screen is fixedly connected in an air exhaust cover of the air exhaust machine, and a collecting box is fixedly connected on one side of the workbench; the collecting box is fixedly connected with a first corrugated pipe, one end of the first corrugated pipe is fixedly connected with the collecting box, the other end of the first corrugated pipe is fixedly connected with an air exhaust cover, and solid impurities from raw materials, reactants or the environment can be filtered, so that pollution and damage to subsequent treatment equipment are reduced.
The reaction box is fixedly provided with a PH value sensor and a liquid storage box, the inlet of the reaction box is connected with a one-way valve, the outer side of the outlet of the reaction box is connected with an adjusting valve, acid-base neutralization reaction is carried out in the reaction box, and the reaction progress is detected through the PH value sensor; the generated chromates and water flow to a waste liquid collecting box through the drainage plate; the waste liquid collecting box is detachable, and chromates can be extracted in the follow-up mode through distillation or evaporative crystallization and the like, so that the recycling of chromates is realized.
Drawings
FIG. 1 is a perspective view of a chromic acid mist treatment device for a chrome plating workshop according to the present utility model;
FIG. 2 is a side view of a chromic acid mist treatment device for a chrome plating plant according to the utility model;
FIG. 3 is a half sectional view of a chromic acid mist treatment device for a chrome plating shop according to the present utility model.
In the figure: 1. a work table; 2. a liquid storage tank; 3. a pH sensor; 4. a reaction box; 5. an air-extracting cover; 6. an air extractor; 7. a first bellows; 8. a second bellows; 9. a recovery box; 10. an exhaust pipe; 11. a regulating valve; 12. a collection box; 13. a corrosion-resistant filter screen; 14. a fibrous filter screen; 15. an active carbon filter screen; 16. a drainage plate; 17. an anti-corrosion water distributor; 18. a waste liquid collection box; 19. a one-way valve; 20. and a liquid outlet.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figures 1-3, the chromic acid fog treatment device for the chrome plating workshop comprises a workbench 1, wherein one end of the workbench 1 is provided with a second corrugated pipe 8, the other end of the workbench is provided with an exhaust pipe 10, and an air extractor 6, a reaction box 4 and a recovery box 9 are arranged inside the workbench 1. The exhaust port of the air extractor 6 is fixedly connected with the second corrugated pipe 8, the exhaust port of the air extractor 6 is fixedly connected with the reaction box 4 through a section of connecting pipe, one end of the second corrugated pipe 8 is fixedly connected with the air extractor 6, the other end of the second corrugated pipe extends out of the workbench 1 and is fixedly connected with the air extractor hood 5, the anti-corrosion filter screen 13 is fixedly connected in the air extractor hood 5, and one side of the workbench 1 is fixedly connected with the collection box 12; the first bellows 7 of fixedly connected with on the collecting box 12, first bellows 7 one end and collecting box 12 fixed connection, other end fixedly connected with exhaust hood 5, and in the one side that corrosion-resistant filter screen 13 kept away from workstation 1, above set up the purpose for with exhaust hood 5 fixed mounting on treating the device, wherein first bellows 7 and second bellows 8 can stretch, the easy to assemble is on the equipment of different height, start the chromic acid fog that the pending device produced of accessible second bellows 8 absorption of air exhauster 6, chromic acid fog filters some solid impurity from raw materials, reactant or environment through corrosion-resistant filter screen 13, reduce pollution and harm to follow-up treatment facility. The processed solid impurities flow into the collecting box 12 through the first corrugated pipe 7, so that the subsequent concentrated collecting and processing are facilitated. The chromic acid mist absorbed by the second bellows 8 is discharged to the reaction tank 4 through the exhaust port of the air extractor 6.
The reaction tank 4 is fixedly provided with a PH value sensor 3 and a liquid storage tank 2, the PH value sensor 3 and the liquid storage tank 2 extend into the reaction tank 4, alkaline solution is stored in the liquid storage tank 2, and a waste liquid collecting box 18 is fixedly arranged below the reaction tank 4; the reaction box 4 is internally provided with an anti-corrosion water distributor 17, a one-way valve 19, a drainage plate 16 and a liquid outlet 20; the anti-corrosion water distributor 17 is fixedly connected with the liquid storage tank 2, the one-way valve 19 is fixedly connected with an exhaust port of the air extractor 6, a liquid outlet 20 is formed in the bottom of the reaction tank 4 in order to prevent chromic acid mist entering the reaction tank 4 from flowing backwards into the air extractor 6, one end of the drainage plate 16 is fixedly connected with the bottom of the reaction tank 4, the other end of the drainage plate is embedded into the bottom of the reaction tank 4 and is fixedly connected with the liquid outlet 20, the waste liquid collecting box 18 is fixedly connected with the liquid outlet 20, and the reaction tank 4 is fixedly connected with the recovery tank 9 through a guide pipe; the guide pipe is fixedly provided with a regulating valve 11, and the purpose of the arrangement is to close the regulating valve 11; chromic acid mist discharged through an air outlet of the air extractor 6 enters the reaction tank 4, then the liquid storage tank 2 is opened, alkaline solution in the liquid storage tank 2 is sprayed to the chromic acid mist through the corrosion-resistant water distributor 17 to carry out acid-base neutralization reaction, and the reaction progress is detected through the PH value sensor 3; the generated chromates and water flow through the drainage plate 16 to the waste collection box 18; the waste liquid collecting box 18 is detachable, chromates can be extracted in a subsequent mode such as distillation or evaporative crystallization, recycling of chromates is achieved, finally the regulating valve 11 is opened, and treated chromic acid mist enters the recovery box 9 through the regulating valve 11;
The recovery box 9 is internally and slidably provided with a fiber filter screen 14 and an activated carbon filter screen 15, the exhaust pipe 10 is fixedly connected with the upper end of the recovery box 9, particulate matters are filtered through the fiber filter screen 14, suspended matters are separated, the activated carbon filter screen 15 can further filter chromic acid mist, organic compounds in the mist are adsorbed, peculiar smell is eliminated, and finally the chromic acid mist is exhausted through the exhaust pipe 10.
The working principle of the utility model is as follows:
Firstly, the regulating valve 11 is closed, the air suction cover 5 is fixedly arranged on a device to be treated, the first corrugated pipe 7 and the second corrugated pipe 8 can be stretched and are conveniently arranged on equipment with different heights, the starting air suction machine 6 can absorb chromic acid mist generated by the device to be treated through the second corrugated pipe 8, and the chromic acid mist filters out some solid impurities from raw materials, reactants or environment through the anti-corrosion filter screen 13, so that pollution and damage to subsequent treatment equipment are reduced. The processed solid impurities flow into the collecting box 12 through the first corrugated pipe 7, so that the subsequent concentrated collecting and processing are facilitated. The chromic acid mist absorbed by the second corrugated pipe 8 is discharged to the reaction tank 4 through the exhaust port of the air extractor 6, then the liquid storage tank 2 is opened, alkaline solution in the liquid storage tank 2 is sprayed to the chromic acid mist through the corrosion-resistant water distributor 17 for acid-base neutralization reaction, and the reaction progress is detected through the PH value sensor 3; the generated chromates and water flow through the drainage plate 16 to the waste collection box 18; the waste liquid collecting box 18 is detachable, chromates can be extracted in a subsequent mode such as distillation or evaporative crystallization, recycling of chromates is achieved, finally the regulating valve 11 is opened, and treated chromic acid mist enters the recovery box 9 through the regulating valve 11; the recovery box 9 is internally and slidably provided with a fiber filter screen 14 and an activated carbon filter screen 15, the exhaust pipe 10 is fixedly connected with the upper end of the recovery box 9, particulate matters are filtered through the fiber filter screen 14, suspended matters are separated, the activated carbon filter screen 15 can further filter chromic acid mist, organic compounds in the mist are adsorbed, peculiar smell is eliminated, and finally the chromic acid mist is exhausted through the exhaust pipe 10.
The above embodiments are only for illustrating the technical method of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present utility model may be modified or substituted without departing from the spirit and scope of the technical method of the present utility model.
Claims (5)
1. A chromic acid fog treatment device for a chrome plating workshop is characterized by comprising a workbench (1), wherein one end of the workbench (1) is provided with a second corrugated pipe (8), the other end of the workbench is provided with an exhaust pipe (10), an air extractor (6), a reaction box (4) and a recovery box (9) are arranged inside the workbench (1), an air extraction opening of the air extractor (6) is fixedly connected with the second corrugated pipe (8), an air exhaust opening of the air extractor (6) is fixedly connected with the reaction box (4) through a connecting pipe, one end of the second corrugated pipe (8) is fixedly connected with the air extractor (6), the other end of the second corrugated pipe extends out of the workbench (1) and is fixedly connected with an air extraction cover (5), an anti-corrosion filter screen (13) is fixedly connected in the air extraction cover (5),
The reaction tank (4) is fixedly provided with a PH value sensor (3) and a liquid storage tank (2), an alkaline solution is stored in the liquid storage tank (2), and a waste liquid collecting box (18) is fixedly arranged below the reaction tank (4); an anti-corrosion water distributor (17), a one-way valve (19), a drainage plate (16) and a liquid outlet (20) are arranged in the reaction box (4); the waste liquid collecting box (18) is fixedly connected with the liquid outlet (20), and the reaction box (4) is fixedly connected with the recovery box (9) through a guide pipe; and the guide pipe is fixedly provided with a regulating valve (11).
2. The chromic acid mist treatment device for the chrome plating workshop according to claim 1, characterized in that a collecting box (12) is fixedly connected to one side of the workbench (1); the novel anti-corrosion workbench comprises a workbench (1), and is characterized in that a first corrugated pipe (7) is fixedly connected to a collecting box (12), one end of the first corrugated pipe (7) is fixedly connected with the collecting box (12), the other end of the first corrugated pipe is fixedly connected with an air exhaust cover (5), and the air exhaust cover (5) is arranged on one side, far away from the workbench (1), of an anti-corrosion filter screen (13).
3. Chromic acid mist treatment device for a chrome plating workshop according to claim 1 characterized in that the corrosion resistant water distributor (17) is fixedly connected with the liquid storage tank (2) and the one-way valve (19) is fixedly connected with the exhaust port of the air extractor (6).
4. The chromic acid mist treatment device for the chrome plating workshop according to claim 1, wherein a liquid outlet (20) is formed in the bottom of the reaction box (4), one end of the drainage plate (16) is fixedly connected with the bottom of the reaction box (4), and the other end of the drainage plate is embedded into the bottom of the reaction box (4) and is fixedly connected with the liquid outlet (20).
5. The chromic acid mist treatment device for the chrome plating workshop according to claim 1, characterized in that a fiber filter screen (14) and an activated carbon filter screen (15) are slidably installed in the recovery box (9), and the exhaust pipe (10) is fixedly connected with the upper end of the recovery box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015177.2U CN220939968U (en) | 2023-11-08 | 2023-11-08 | Chromic acid fog treatment device for chrome plating workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015177.2U CN220939968U (en) | 2023-11-08 | 2023-11-08 | Chromic acid fog treatment device for chrome plating workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939968U true CN220939968U (en) | 2024-05-14 |
Family
ID=90980450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323015177.2U Active CN220939968U (en) | 2023-11-08 | 2023-11-08 | Chromic acid fog treatment device for chrome plating workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939968U (en) |
-
2023
- 2023-11-08 CN CN202323015177.2U patent/CN220939968U/en active Active
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