CN202717851U - Mixed acid pickling tank - Google Patents
Mixed acid pickling tank Download PDFInfo
- Publication number
- CN202717851U CN202717851U CN 201220188553 CN201220188553U CN202717851U CN 202717851 U CN202717851 U CN 202717851U CN 201220188553 CN201220188553 CN 201220188553 CN 201220188553 U CN201220188553 U CN 201220188553U CN 202717851 U CN202717851 U CN 202717851U
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- China
- Prior art keywords
- cell body
- pickling tank
- acid pickling
- tank
- nitration mixture
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model relates to a mixed acid pickling tank, relating to mixed acid pickling of titanium and stainless steel strips. The mixed acid pickling tank is mainly formed by sequential connection of a plurality of tank bodies made of corrosion-resistant material, connection tanks are arranged between adjacent tank bodies to prevent mixing of acid; and an inlet and an outlet at two ends of every tank body are respectively provided with an overflow weir. The mixed acid pickling tank is characterized in that the middle parts of the tank bodies are provided with an immersed roller vertical to the running direction of a strip to press the strip to be acid-pickled. Compared with the existing acid pickling tank, the running distances of titanium and stainless steel strips in the acid pickling tank can be increased due to arrangement of the immersed rollers in the tank bodies, the time of acid pickling of the strips in the acid pickling tank can be extended, and more complete acid pickling can be realized; and meanwhile, the acid pickling tank can be shortened, and the investment cost of an acid pickling device can be decreased.
Description
Technical field
The utility model relates to the nitration mixture pickling of titanium and stainless strip, refers to particularly a kind of nitration mixture pickling tank.
Background technology
For titanium and stainless strip, in the course of processing, need its surperficial oxidation and impurity layer are removed, at present the general mode that adopts pickling.In order to improve cleaning efficiency, make cleaning more thorough, adopt nitration mixture as pickle solution, generally adopt at present hydrofluoric acid (HF) and nitric acid (HNO
3) nitration mixture that forms carries out pickling, and pickling tank is the major equipment that carries out the pickling operation.Existing pickling tank generally adopts the structure of " steel construction+line with rubber+lining brick ", and namely cell body adopts the steel construction external frame, and inner attached glue-line is then laid lining brick.Because hydrofluoric acid (HF) has very strong corrodibility to the material that contains element silicon, so the lining brick of classical acid washing trough and glue-line are easy to be corroded.
On the other hand, in the situation that guarantee same pickling time, the time that band moves in acid solution is longer, and the length of the pickling tank that needs is shorter, and investment is just lower.
The utility model content
Technical problem to be solved in the utility model just provides a kind of nitration mixture pickling tank, can be under the ambient condition of nitration mixture life-time service, increased the range ability of band in pickling tank, make the band pickling thorough, and facility investment reduced.
For solving the problems of the technologies described above, a kind of nitration mixture pickling tank that the utility model provides, the main cell body of being made by some corrosion resistant materials connects and composes successively, between the adjacent cell body connective slot is set, be used for preventing the tandem of acid solution, the entrance and exit place at each cell body two ends is provided with respectively overflow weir, and its special feature is: described cell body middle part is provided with immersion roller perpendicular to the band traffic direction, is used for pressing down the band for the treatment of pickling.
In the technique scheme, be bayonet joint between cell body and the connective slot.
In the technique scheme, the bottom of described cell body is V-shaped.
In the technique scheme, described cell body is the cell body of polymer homo-polypropylene plastics (PP-H) material.
In the technique scheme, described overflow weir comprises dismountable overflow plate.
In the technique scheme, described cell body inner side-wall and/or bottom are provided with the wear-resistant block of ultra high molecular weight polyethylene (UHMWPE) material.
Compare with existing pickling tank, the beneficial effects of the utility model are: the setting of immersion roller in the cell body, increased titanium and the stainless strip range ability in pickling tank, and prolonged the pickling time of band in pickling tank, so that pickling is more thorough; Simultaneously, pickling tank can be done shortlyer, can reduce the cost of investment of pickling installation.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the vertical view after Fig. 1 omits immersion roller and band.
Among the figure: 1-cell body, 2-overflow weir (wherein: 2.1-overflow plate), 3-immersion roller, 4-wear-resistant block, 5-band, 6-connective slot.
Embodiment
Below in conjunction with accompanying drawing specific embodiment of the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of nitration mixture pickling tank of the present utility model, the main cell body 1 of being made by some corrosion resistant materials connects and composes successively by connective slot 6, and cell body 1 bottom is provided with steel structure base as support, and the entrance and exit place at cell body 1 two ends is provided with respectively overflow weir 2.Be provided with in each cell body 1 be used to press down the band 5 for the treatment of pickling, to prolong some immersion rollers 3 of band 5 running orbits, immersion roller 3 is positioned at the cell body middle part.Pickling tank adopts the middle part to advance acid, and sour mode is advanced in the circulation of the excessive acid in both sides, to improve pickling efficient and acid solution utilization ratio.For the ease of safeguarding, contact with overflow weir 2 and be convenient to replacing when wearing and tearing occur at band 5, this overflow weir 2 comprises dismountable overflow plate 2.1, thereby when generation is worn and torn, only need change overflow plate 2.1 and get final product.In order to guarantee cell body 1 intensity, can be at the cell body 1 outer stiffening web that arranges.
Generally adopt at present hydrofluoric acid (HF) and nitric acid (HNO
3) nitration mixture that forms carries out pickling, and hydrofluoric acid (HF) has very strong corrodibility to the material that contains element silicon, in order to improve the erosion resistance of cell body 1, cell body 1 preferred polymer homo-polypropylene (PP-H) material of the present embodiment is made.Polymer homo-polypropylene (PP-H) has also that convenient welding, plasticity-are strong, intensity is higher, heat-insulating property is better, lightweightly be convenient to the characteristics such as installations, so adopts steadiness, heat retaining property and property easy for installation that above-mentioned materials can also the whole pickling tank of Effective Raise.Because the performance of expanding with heat and contract with cold of polymer homo-polypropylene (PP-H) is more remarkable, and the temperature of the pickling medium of titanium and stainless strip is generally 50 ~ 70 ℃, this moment, pickling tank will inevitably a comparatively significantly expansion occur at length direction.Cause whole pickling tank cracking for fear of expanding with heat and contract with cold, leak acid, be bayonet joint and mutually sealing between cell body 1 and the connective slot 6, like this, cell body 1 can expand with heat and contract with cold in connective slot 6 in the longitudinal direction, has effectively solved the expand with heat and contract with cold problem of plastics acidic bath at length direction.
Immerse the degree of depth of acid solution and be convenient to the emptying of pickling tank and cleaning in order to increase band, the bottom of cell body 1 is V-shaped.
Scratched by band 5 for fear of cell body 1 inner side-wall and bottom, increase simultaneously the current stabilization degree of acid solution in pickling tank, at cell body 1 inner side-wall and bottom some wear-resistant blocks 4 are set, the wear-resistant block 4 of the present embodiment adopts ultra high molecular weight polyethylene (UHMWPE) to make.Above-mentioned material wear resisting property is excellent, adopts the replacement frequency that can greatly reduce pickling tank wear-resistant block 4 after this material, is very easy to routine maintenance.
Principle of work of the present utility model is as follows:
At first, acid solution is injected pickling tank, open whole pickling unit; Then: the band 5 for the treatment of pickling is entered by overflow weir 2 places of first cell body 1 entrance of pickling tank, and the overflow weirs 2 of walking around behind the immersion roller 3 by outlet stretch out, and then enter next cell body 1 through squeezing roller, so until stretch out from last cell body 1 of pickling tank.When the band 5 for the treatment of pickling moved in pickling tank, the zone of oxidation that it is surperficial and impurity was constantly by acid liquid corrosion and wash away and split away off, thereby reached the zone of oxidation of cleaning band 5 surfaces and the purpose of impurity.
One of core of the present utility model is to set up immersion roller 3, prolongs so that treat the running orbit of band 5 in pickling tank of pickling, thereby increases pickling time, so that pickling is more thorough, guarantees noresidue zone of oxidation and impurity.So its protection domain is not limited to above-described embodiment.Obviously, those skilled in the art can carry out various changes and distortion to the utility model and not break away from scope and spirit of the present utility model, for example: tubular is set or tabular deadening part also is feasible in order to the running orbit that changes band 5 cell body 1 is interior; The quantity of the number of cell body 1, wear-resistant block 4 and position etc. can be determined etc. according to actual needs.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and is out of shape interior.
Claims (10)
1. nitration mixture pickling tank, the main cell body (1) of being made by some corrosion resistant materials connects and composes successively, connective slot (6) is set between the adjacent cell body (1), be used for preventing the tandem of acid solution, the entrance and exit place at each cell body (1) two ends is provided with respectively overflow weir (2), it is characterized in that: described cell body (1) middle part is provided with immersion roller (3) perpendicular to band (5) traffic direction, is used for pressing down the band (5) for the treatment of pickling.
2. nitration mixture pickling tank according to claim 1 is characterized in that: be bayonet joint between cell body (1) and the connective slot (6).
3. nitration mixture pickling tank according to claim 1 and 2, it is characterized in that: the bottom of described cell body (1) is V-shaped.
4. nitration mixture pickling tank according to claim 1 and 2, it is characterized in that: described cell body (1) is the cell body of polymer homo-polypropylene plastic material.
5. nitration mixture pickling tank according to claim 3, it is characterized in that: described cell body (1) is the cell body of polymer homo-polypropylene plastic material.
6. nitration mixture pickling tank according to claim 1 and 2, it is characterized in that: described overflow weir (2) comprises dismountable overflow plate (2.1).
7. nitration mixture pickling tank according to claim 3, it is characterized in that: described overflow weir (2) comprises dismountable overflow plate (2.1).
8. nitration mixture pickling tank according to claim 4, it is characterized in that: described overflow weir (2) comprises dismountable overflow plate (2.1).
9. nitration mixture pickling tank according to claim 1 and 2, it is characterized in that: described cell body (1) inner side-wall and/or bottom are provided with the wear-resistant block (4) of ultra high molecular weight polyethylene material.
10. nitration mixture pickling tank according to claim 3, it is characterized in that: described cell body (1) inner side-wall and/or bottom are provided with the wear-resistant block (4) of ultra high molecular weight polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188553 CN202717851U (en) | 2012-04-28 | 2012-04-28 | Mixed acid pickling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188553 CN202717851U (en) | 2012-04-28 | 2012-04-28 | Mixed acid pickling tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717851U true CN202717851U (en) | 2013-02-06 |
Family
ID=47619679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220188553 Expired - Lifetime CN202717851U (en) | 2012-04-28 | 2012-04-28 | Mixed acid pickling tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202717851U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894585A (en) * | 2015-06-03 | 2015-09-09 | 江苏兴隆防腐设备有限公司 | Middle box of acid mixing tank |
| CN106757102A (en) * | 2016-12-27 | 2017-05-31 | 浙江久鼎机械有限公司 | A kind of antiseepage pickling tube |
| CN109487288A (en) * | 2018-12-29 | 2019-03-19 | 西安泰金工业电化学技术有限公司 | It is a kind of can efficient process Ni―Ti anode substrate acid dip pickle |
-
2012
- 2012-04-28 CN CN 201220188553 patent/CN202717851U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894585A (en) * | 2015-06-03 | 2015-09-09 | 江苏兴隆防腐设备有限公司 | Middle box of acid mixing tank |
| CN106757102A (en) * | 2016-12-27 | 2017-05-31 | 浙江久鼎机械有限公司 | A kind of antiseepage pickling tube |
| CN106757102B (en) * | 2016-12-27 | 2019-04-23 | 浙江久鼎机械有限公司 | A kind of antiseepage pickling tube |
| CN109487288A (en) * | 2018-12-29 | 2019-03-19 | 西安泰金工业电化学技术有限公司 | It is a kind of can efficient process Ni―Ti anode substrate acid dip pickle |
| CN109487288B (en) * | 2018-12-29 | 2023-09-29 | 西安泰金新能科技股份有限公司 | Pickling device capable of efficiently treating titanium anode substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WISDRI (Wuhan) Heavy Machinery Co., Ltd. Assignor: WISDRI Engineering & Research Incorporation Limited Contract record no.: 2014420000045 Denomination of utility model: Mixed acid pickling tank Granted publication date: 20130206 License type: Exclusive License Record date: 20140422 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |