CN220449906U - Pickling wastewater treatment device for steel mill - Google Patents
Pickling wastewater treatment device for steel mill Download PDFInfo
- Publication number
- CN220449906U CN220449906U CN202322023095.6U CN202322023095U CN220449906U CN 220449906 U CN220449906 U CN 220449906U CN 202322023095 U CN202322023095 U CN 202322023095U CN 220449906 U CN220449906 U CN 220449906U
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- CN
- China
- Prior art keywords
- treatment tank
- tank
- tank body
- threaded rod
- steel mill
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- 238000005554 pickling Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 210000005056 cell body Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 17
- 238000006386 neutralization reaction Methods 0.000 abstract description 7
- 239000002253 acid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model relates to a pickling wastewater treatment device of a steel mill, which aims to solve the technical problem that the inner wall of a treatment tank is excessively corroded over time to cause the damage of the treatment tank, so that the whole treatment tank is more troublesome to replace, and comprises a tank body and a treatment tank; the treatment tank is inserted into the tank body; the middle parts of the two ends of the treatment tank are respectively matched with the tank body in a positioning way through a positioning structure; the positioning structure comprises an L-shaped plate, a threaded rod, a rotating handle and a clamping plate; the inner side of the horizontal end of the L-shaped plate is fixedly arranged in the middle of the side end of the top of the treatment tank; the threaded rod is threaded through the vertical section of the L-shaped plate; the rotating handle is fixedly arranged at the outer end of the threaded rod; the clamping plate is arranged at the inner end of the threaded rod through the rotation of the rotating shaft, and the utility model has the advantages that a layer of treatment tank is additionally arranged on the tank body, the neutralization reaction is carried out on the pickling wastewater in the treatment tank, the treatment tank and the tank body are detachable, the corroded treatment tank is detachable and replaceable, and the use of the tank body is not influenced.
Description
Technical Field
The utility model relates to the technical field of pickling wastewater treatment, in particular to a steel mill pickling wastewater treatment device.
Background
The acid washing wastewater is wastewater generated when acid washing is performed by acid such as sulfuric acid, nitric acid, hydrochloric acid, hydrofluoric acid and phosphoric acid in order to remove oxide on the metal surface. The wastewater is mostly sourced from iron and steel plants or electroplating plants, and the pH value is generally below 1.5 and is strong in acidity.
The neutralizing method is adopted for treating the acid washing wastewater, the commonly adopted neutralizing agent is lime and dolomite, the acid washing wastewater is input into the treatment tank, and the neutralizing agent is added into the treatment tank for neutralization reaction, so that the wastewater tends to be neutral. Because the pickling wastewater is strongly acidic, the inner wall of the treatment tank is inevitably corroded, and because the treatment tank is basically fixed on the ground, the inner wall of the treatment tank is excessively corroded over time, so that the treatment tank is damaged, and the whole treatment tank is more troublesome to replace.
In view of this, we propose a steel mill pickling wastewater treatment device.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a pickling wastewater treatment device for a steel mill, so as to solve the technical problem that the whole treatment tank is troublesome to replace due to the fact that the inner wall of the treatment tank is excessively corroded over time by the current pickling wastewater.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the device for treating the pickling wastewater of the steel mill comprises a tank body and a treatment tank;
the treatment tank is inserted into the tank body; wherein, the middle of the two ends of the treatment tank is respectively matched with the tank body in a positioning way through a positioning structure.
Preferably, the positioning structure comprises an L-shaped plate, a threaded rod, a rotating handle and a clamping plate;
the inner side of the horizontal end of the L-shaped plate is fixedly arranged in the middle of the side end of the top of the treatment tank; the threaded rod is threaded through the vertical section of the L-shaped plate; the rotating handle is fixedly arranged at the outer end of the threaded rod; the clamping plate is rotationally arranged at the inner end of the threaded rod through a rotating shaft; wherein the top side of the clamping plate is contacted with the inner side of the horizontal section of the L-shaped plate.
Preferably, two slots are symmetrically arranged on two sides of the inner wall of the tank body respectively, two outer side walls of the treatment tank are symmetrically and fixedly arranged on two plugboards respectively, and the plugboards are matched with the slots in an inserting way.
Preferably, the front end and the rear end of the inner wall of the tank body are respectively fixedly provided with a heat exchange water tank; the heat exchange water tank is provided with a water outlet pipe and a water inlet pipe, and the water outlet pipe and the water inlet pipe are respectively arranged on the tank body in a penetrating way.
Preferably, the outlet pipe is higher than the inlet pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has the advantages that the treatment tank is additionally arranged on the tank body, the neutralization reaction is carried out on the pickling wastewater in the treatment tank, the treatment tank and the tank body are detachable, the corroded treatment tank can be detached and replaced, the use of the tank body is not affected, and the problem that the whole treatment tank is troublesome to replace due to the fact that the inner wall of the treatment tank is excessively corroded by the pickling wastewater over time is solved.
2. The utility model has the advantages of simple structure, convenient operation, positioning of the treatment tank placed in the tank body and strengthening of the stability of the treatment tank by arranging the L-shaped plate, the threaded rod, the rotating handle and the clamping plate.
3. The utility model has the advantages that the processing groove is stably placed in the tank body through the butt joint of the slot and the plugboard when the processing groove is hoisted from top to bottom and inserted into the tank body by arranging the slot and the plugboard, and the shaking of the processing groove in the tank body placing process is avoided.
4. The utility model has the advantages of recovering the heat released by the neutralization reaction of the pickling wastewater and recycling resources by arranging the heat exchange water tank.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal connection structure of the cell body of the present utility model;
FIG. 3 is a schematic diagram of a process tank connection structure according to the present utility model;
FIG. 4 is a schematic view of a positioning structure according to the present utility model;
in the figure: 1. a cell body; 2. a treatment tank; 3. a positioning structure; 4. a heat exchange water tank;
101. a slot;
201. inserting plate;
301. an L-shaped plate; 302. a threaded rod; 303. a clamping plate; 304. a rotating handle;
401. a water outlet pipe; 402. a water inlet pipe.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: the steel mill pickling wastewater treatment device, see fig. 1-4, comprises a tank body 1, wherein the tank body 1 is fixed on the ground, and further comprises a treatment tank 2; the treatment tank 2 is inserted into the tank body 1; wherein, the middle of the two ends of the treatment tank 2 is respectively matched with the tank body 1 in a positioning way through the positioning structure 3. The utility model has the advantages that the treatment tank 2 is additionally arranged on the tank body 1, the neutralization reaction is carried out on the pickling wastewater in the treatment tank 2, the treatment tank 2 and the tank body 1 are detachable, the corroded treatment tank 2 can be detached for replacement, the use of the tank body 1 is not affected, and the problem that the treatment tank is damaged due to excessive corrosion of the inner wall of the treatment tank over time by the pickling wastewater, so that the whole treatment tank is more troublesome to replace is solved.
Specifically, the positioning structure 3 includes an L-shaped plate 301, a threaded rod 302, a stem 304, and a clamping plate 303; the inner side of the horizontal end of the L-shaped plate 301 is fixedly arranged in the middle of the side end of the top of the treatment tank 2; the threaded rod 302 is threaded through the vertical section of the L-shaped plate 301; the rotating handle 304 is fixedly arranged at the outer end of the threaded rod 302; the clamping plate 303 is rotatably arranged at the inner end of the threaded rod 302 through a rotating shaft; wherein the top side of the clamping plate 303 is in contact with the inner side of the horizontal section of the L-shaped plate 301. The utility model has the advantages of simple structure, convenient operation, positioning of the treatment tank 2 placed in the tank body 1 and strengthening of the stability of the treatment tank 2 by arranging the L-shaped plate 301, the threaded rod 302, the rotating handle 304 and the clamping plate 303.
Further, two slots 101 are symmetrically arranged on two sides of the inner wall of the tank body 1, two outer side walls of the treatment tank 2 are symmetrically fixed on two plugboards 201 respectively, and the plugboards 201 are matched with the slots 101 in an inserting way. The utility model has the advantages that the processing groove 2 is stably placed in the tank body 1 through the butt joint of the slot 101 and the plugboard 201 when the processing groove 2 is hoisted from top to bottom and inserted into the tank body 1 through the slot 101 and the plugboard 201, and the shaking of the processing groove 2 in the process of placing the processing groove 2 in the tank body 1 is avoided.
Still further, the front and rear ends of the inner wall of the tank body 1 are respectively fixedly provided with a heat exchange water tank 4; wherein, the heat exchange water tank 4 is respectively provided with a water outlet pipe 401 and a water inlet pipe 402, and the water outlet pipe 401 and the water inlet pipe 402 are respectively arranged on the tank body 1 in a penetrating way. The heat exchange water tank 4 is arranged, so that the heat released by the neutralization reaction of the pickling wastewater is recovered, and the resource is reused.
It should be noted that, the water outlet pipe 401 is higher than the water inlet pipe 402, and the heat exchange water is low in and high out, and the water is fully exchanged in the heat exchange water tank 4.
Working principle: by using the device, the treatment tank 2 is hoisted and placed in the tank body 1 through an external hoisting mechanism, the inserting plate 201 is correspondingly inserted into the inserting groove 101, the treatment tank 2 is stably placed in the tank body 1 through the butt joint of the inserting groove 101 and the inserting plate 201 until the treatment tank 2 is completely placed in the tank body 1, the inner side of the horizontal section of the L-shaped plate 301 contacts the top side of the tank body 1, the rotating handle 304 is rotated, the threaded rod 302 rotates and moves in a vertical section relative to the L-shaped plate 301, the clamping plate 303 moves in until the clamping plate abuts against the outer wall of the tank body 1, the placed treatment tank 2 is reinforced, the front end and the rear end of the outer wall of the treatment tank 2 respectively contact the heat exchange water tank 4, heat exchange water enters the full heat exchange water tank 4 from the water inlet pipe 402, heat released by neutralization reaction of pickling waste water in the treatment tank 2 is transferred to the heat exchange water tank 4, and the heat is absorbed by the water and then discharged from the water outlet pipe 401; when the excessively corroded treatment tank 2 is replaced, the rotating handle 304 is reversely rotated, the threaded rod 302 rotates and moves outwards relative to the vertical section of the L-shaped plate 301, the clamping plate 303 moves outwards to loosen, the treatment tank 2 is hoisted out through an external hoisting mechanism, and a new treatment tank 2 is replaced according to the installation mode of the treatment tank 2.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (5)
1. The utility model provides a steel mill pickling wastewater treatment device, includes cell body (1), its characterized in that still includes:
a treatment tank (2) inserted into the tank body (1);
wherein, the middle parts of the two ends of the treatment tank (2) are respectively matched with the tank body (1) in a positioning way through a positioning structure (3).
2. A steel mill pickling wastewater treatment plant according to claim 1, characterised in that the positioning structure (3) comprises:
the inner side of the horizontal end of the L-shaped plate (301) is fixedly arranged in the middle of the side end of the top of the treatment tank (2);
the threaded rod (302) is threaded through the vertical section of the L-shaped plate (301);
the rotating handle (304) is fixedly arranged at the outer end of the threaded rod (302);
the clamping plate (303) is rotationally arranged at the inner end of the threaded rod (302) through a rotating shaft;
wherein the top side of the clamping plate (303) is contacted with the inner side of the horizontal section of the L-shaped plate (301).
3. The steel mill pickling wastewater treatment device according to claim 1, wherein two slots (101) are symmetrically formed in two sides of the inner wall of the tank body (1), two outer side walls of the treatment tank (2) are symmetrically and fixedly arranged on two plugboards (201) respectively, and the plugboards (201) are matched with the slots (101) in an inserting mode.
4. The steel mill pickling wastewater treatment device according to claim 1, wherein heat exchange water tanks (4) are respectively fixedly arranged at the front end and the rear end of the inner wall of the tank body (1);
the heat exchange water tank (4) is provided with a water outlet pipe (401) and a water inlet pipe (402) respectively, and the water outlet pipe (401) and the water inlet pipe (402) are all arranged on the tank body (1) in a penetrating mode.
5. A steel mill pickling waste water treatment device according to claim 4, characterised in that the outlet pipe (401) is higher than the inlet pipe (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023095.6U CN220449906U (en) | 2023-07-31 | 2023-07-31 | Pickling wastewater treatment device for steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023095.6U CN220449906U (en) | 2023-07-31 | 2023-07-31 | Pickling wastewater treatment device for steel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449906U true CN220449906U (en) | 2024-02-06 |
Family
ID=89733852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322023095.6U Active CN220449906U (en) | 2023-07-31 | 2023-07-31 | Pickling wastewater treatment device for steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449906U (en) |
-
2023
- 2023-07-31 CN CN202322023095.6U patent/CN220449906U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |