CN208899002U - A kind of zinc-plated industry Pickling-shop pipe-line system - Google Patents
A kind of zinc-plated industry Pickling-shop pipe-line system Download PDFInfo
- Publication number
- CN208899002U CN208899002U CN201821285551.7U CN201821285551U CN208899002U CN 208899002 U CN208899002 U CN 208899002U CN 201821285551 U CN201821285551 U CN 201821285551U CN 208899002 U CN208899002 U CN 208899002U
- Authority
- CN
- China
- Prior art keywords
- acid
- pipe
- cleaning tank
- clapboard
- acid cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002253 acid Substances 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000004140 cleaning Methods 0.000 claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000005554 pickling Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 14
- 235000021110 pickles Nutrition 0.000 claims description 12
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 13
- 239000003595 mist Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model discloses a kind of zinc-plated industry Pickling-shop pipe-line systems, including acid cleaning tank, inlet port and outlet port are respectively arranged among the end face of the left and right sides in the acid cleaning tank, left clapboard and upper right clapboard are respectively arranged at left and right sides of top end face in the acid cleaning tank, lower left clapboard and lower right clapboard are respectively arranged at left and right sides of bottom face in the acid cleaning tank, structure is simple, construction is clear understandable, operation is easy, pass through flushing-pickling-flushing-drying process preceding progress pickling processes zinc-plated to material, water resource in flushing process is recycled, it avoids wasting, acid mist in acid cleaning process is absorbed by water curtain, it avoids leaking, it pollutes, waste liquid after pickling also will do it processing after individually discharging.
Description
Technical field
The utility model relates to zinc-plated industry device technical field, specially a kind of zinc-plated industry Pickling-shop pipeline system
System.
Background technique
Method using oxide skin and rust on acid solution removal steel surface is known as pickling.It is cleaning metal surface
A kind of method, the pickling solution of acid cleaning process is generally the mixture of a variety of acid, mainly there is sulfuric acid, nitric acid and hydrofluoric acid etc., this
The corrosivity of a little mixed acid is very strong, while having the temperature of very strong oxidisability, higher corrosive medium, this is to anti-corrosion material
Corrosion resisting property proposes very high requirement.Stainless steel sulfuric acid refining production line technique is from production to waste water and gas recovery system, Ge Gehuan
All there is very strong etch state in section, therefore the quality of anti-corrosion material selection is directly related to equipment, workshop terrace, trench, gives up
The normal use of the environmentally friendly recovery system of water exhaust gas etc..
There are some defects in use in existing coating steel pipe pickler, for example, before and after pickling not to material into
Row rinses, the efficiency of pickling is lower and acid cleaning process in acid mist without absorbing, be easy to cause pollution, after pickling not into
Row drying operation, is easy and air re-oxidation.
Summary of the invention
The purpose of this utility model is to provide a kind of zinc-plated industry Pickling-shop pipe-line systems, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of zinc-plated industry Pickling-shop pipe-line system, including acid cleaning tank, in the acid cleaning tank among the end face of the left and right sides
Be respectively arranged with inlet port and outlet port, be respectively arranged at left and right sides of top end face in the acid cleaning tank left clapboard and it is upper right every
Plate, is respectively arranged with lower left clapboard and lower right clapboard in the acid cleaning tank at left and right sides of bottom face, the upper left clapboard and upper right
Partition is correspondingly arranged with lower left clapboard and lower right clapboard respectively, is provided with charging between the upper left clapboard and acid cleaning tank left side wall
Flusher is provided with acid dip pickle, right side in the upper right clapboard and acid cleaning tank between the upper left clapboard and upper right clapboard
It is provided with riser between wall, is provided with discharging flusher between the upper right clapboard and riser, in the riser and acid cleaning tank
It is provided with drying unit between right side wall, is provided with charging washing and filtering between left side wall in the lower left clapboard and acid cleaning tank
Room is provided with pickling filter chamber between the lower left clapboard and lower right clapboard, in the lower right clapboard and acid cleaning tank right side wall it
Between be provided with the flushed filter chamber of discharging.
Preferably, the charging flusher includes charging water pump, and the charging water pump is pacified on the left of acid cleaning tank upper surface
Installing is set, and the charging water pump input terminal connects first water inlet pipe one end, and the first water inlet pipe other end protrudes into acid cleaning tank
And it is provided with and communicated with the first connecting tube, the first connection bottom of the tube is provided with and communicated with several sparge pipes, first connecting tube
Right end connects water curtain pipe one end, and the water curtain pipe is arranged in upper left clapboard, and the water curtain pipe other end is placed in left clapboard bottom
The setting of end face opening.
Preferably, the acid dip pickle includes acid-proof pump, and the acidproof pump output terminal connects acid inlet tube one end, described into acid
The pipe other end protrudes into acid cleaning tank and is connected with the second connecting tube, and the second connection bottom of the tube is provided with and communicated with several spray acid
Pipe.
Preferably, the discharging flusher includes discharging water pump, the discharging flusher and charging flusher knot
The identical setting of structure.
Preferably, the drying unit includes air-heater, and the air-heater input terminal is connected with blast pipe, the air-heater
Output end connects discharge pipe one end, and the discharge pipe other end protrudes into acid cleaning tank and is connected with hot wind spray head.
Preferably, the first water tank, acid solution case and the second water tank, institute have been set gradually from left to right in front of the acid cleaning tank
State and be connected with the first drinking-water pipe between charging water pump input terminal and the first water tank, the discharging water pump input terminal and the second water tank it
Between be connected with the second drinking-water pipe, be connected with acid extracting pipe between the acid-proof pump input terminal and acid solution case.
Preferably, filtering is provided in the flushed filter chamber of the charging, pickling filter chamber and discharging washing and filtering room
Net, the flushed filter chamber of charging is corresponded to the discharging indoor filter screen of washing and filtering to be respectively arranged in acid cleaning tank left and right sidewall
Fed filtration outlet and discharging filtering outlet, it is described to feed flushed filter chamber acid cleaning tank front end corresponding with the flushed filter chamber that discharges
Face is connected with the first return pipe and the second return pipe between the first water tank and the second water tank respectively, and the pickling filter chamber is corresponding
Acid cleaning tank front end face be connected with acid pickle comb.
Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, construction is clear easy
Understand, operation is easy, by flushing-pickling-flushing-drying process it is zinc-plated to material before carry out pickling processes, in flushing process
Water resource recycled, avoid wasting, the acid mist in acid cleaning process by water curtain absorb, avoid leaking, pollute,
Waste liquid after pickling also will do it processing after individually discharging.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of zinc-plated industry Pickling-shop pipe-line system；
Fig. 2 is a kind of vertical view figure structure schematic representation of zinc-plated industry Pickling-shop pipe-line system.
In figure: 1- feeds flushed filter chamber, 2- filter screen, the outlet of 3- fed filtration, 4- feed inlet, 5- water curtain pipe, 6- spray
Water pipe, 7- acid cleaning tank, the first connecting tube of 8-, the first water inlet pipe of 9-, 10- feed flusher, 11- feed water pump, 12- it is upper a left side every
Plate, 13- acid inlet tube, 14- acid-proof pump, 15- acid dip pickle, the second connecting rod of 16-, 17- acid spraying tube, 18- discharging flusher,
19- discharging water pump, 20- drying unit, 21- air-heater, 22- blast pipe, 23- discharge pipe, 24- riser, 25- hot wind spray head, 26-
Discharge port, 27- discharge filtering outlet, and 29- discharges flushed filter chamber, right clapboard under 30-, 32- pickling filter chamber, under 33- a left side every
Plate, the first return pipe of 35-, the first drinking-water pipe of 36-, the first water tank of 37-, 38- acid extracting pipe, 39- acid solution case, 40- acid pickle comb,
The second drinking-water pipe of 41-, the second water tank of 42-, the second return pipe of 43-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~2 are please referred to, the utility model provides a kind of technical solution: a kind of zinc-plated industry Pickling-shop pipe-line system,
Including acid cleaning tank 7, feed inlet 4 and discharge port 26, the pickling are respectively arranged among the end face of the left and right sides in the acid cleaning tank 7
It is respectively arranged with left clapboard 12 and upper right clapboard 34 at left and right sides of top end face in case 7, bottom face or so two in the acid cleaning tank 7
Side is respectively arranged with lower left clapboard 33 and lower right clapboard 30, the upper left clapboard 12 and upper right clapboard 34 respectively with lower left clapboard 33
It is correspondingly arranged with lower right clapboard 30, charging flusher 10, institute is provided between the upper left clapboard 12 and 7 left side wall of acid cleaning tank
It states and is provided with acid dip pickle 15 between left clapboard 12 and upper right clapboard 34, right side wall in the upper right clapboard 34 and acid cleaning tank 7
Between be provided with riser 24, be provided between the upper right clapboard 34 and riser 24 discharging flusher 18,24 He of riser
Drying unit 20 is provided in acid cleaning tank 7 between right side wall, is provided between left side wall in the lower left clapboard 33 and acid cleaning tank 7
Flushed filter chamber 1 is fed, pickling filter chamber 32, the lower right clapboard are provided between the lower left clapboard 33 and lower right clapboard 30
3 and acid cleaning tank 7 in the flushed filter chamber 29 of discharging is provided between right side wall.
The charging flusher 10 includes charging water pump 11, and the charging water pump 11 is pacified on the left of 7 upper surface of acid cleaning tank
Installing is set, and 11 input terminal of charging water pump connects 9 one end of the first water inlet pipe, and 9 other end of the first water inlet pipe protrudes into pickling
In case 7 and it is provided with and communicated with the first connecting tube 8,8 bottom of the first connecting tube is provided with and communicated with several sparge pipes 6, and described the
One connecting tube, 8 right end connects 5 one end of water curtain pipe, and the water curtain pipe 5 is arranged in upper left clapboard 12,5 other end of water curtain pipe
It is placed in the setting of 12 bottom face opening of left clapboard.
The acid dip pickle 15 includes acid-proof pump 14, and 14 output end of acid-proof pump connects 13 one end of acid inlet tube, it is described into
13 other end of acid tube protrudes into acid cleaning tank 7 and is connected with the second connecting tube 16, and 16 bottom of the second connecting tube is provided with and communicated with
Several acid spraying tubes 17.
The discharging flusher 18 includes discharging water pump 19, the discharging flusher 18 and charging 10 knot of flusher
The identical setting of structure.
The drying unit 20 includes air-heater 21, and 21 input terminal of air-heater is connected with blast pipe 22, the hot wind
21 output end of machine connects 23 one end of discharge pipe, and 23 other end of discharge pipe protrudes into acid cleaning tank 7 and is connected with hot wind spray head 25.
The first water tank 37, acid solution case 39 and the second water tank 42, institute have been set gradually from left to right in front of the acid cleaning tank 7
It states and is connected with the first drinking-water pipe 36 between charging 11 input terminal of water pump and the first water tank 37,19 input terminal of discharging water pump and the
It is connected with the second drinking-water pipe 41 between two water tanks 42, is connected with acid extracting pipe between 14 input terminal of acid-proof pump and acid solution case 39
38。
Described feed in flushed filter chamber 1, pickling filter chamber 32 and the flushed filter chamber 29 of discharging is provided with filter screen
2, the flushed filter chamber 1 of charging is corresponded to the filter screen 2 to discharge in flushed filter chamber 29 in 7 left and right sidewall of acid cleaning tank to be set respectively
It is equipped with fed filtration outlet 3 and discharging filtering outlet 27, the flushed filter chamber 1 of charging is corresponding with the flushed filter chamber 29 that discharges
7 front end face of acid cleaning tank is connected with the first return pipe 35 and the second return pipe between the first water tank 37 and the second water tank 42 respectively
43, corresponding 7 front end face of acid cleaning tank in the pickling filter chamber 32 is connected with acid pickle comb 40.
The working principle of the utility model is: the utility model is a kind of zinc-plated industry Pickling-shop pipe-line system, right
Material carry out it is zinc-plated before, need to carry out pickling to the oxide on its surface, by the material of pickling from 7 left end of acid cleaning tank into
Material mouth 4 is placed in, and is fed water pump 11 for the water in the first water tank 37 and is carried out spray cleaning to material surface by sparge pipe 6, removes
Impurity is simultaneously filtered by filter screen 2, and filtered water is flow back into the first water tank 37 by the first return pipe 35, water resource
It recycles, saves water resource, be then placed in the lower section of acid dip pickle 15 to pickled material, acid-proof pump 14 is by the acid in acid solution case 39
Liquid is sprayed on the surface of the material by acid spraying tube 17, carries out pickling to material, the filtering of acid liquor filtering filter screen 2 after pickling and from useless
Acid solution comb 40 is discharged, and the material after pickling is placed in 18 lower section of discharging flusher, and discharging flusher 18 includes discharging water pump
19, discharging flusher 18 and the identical setting of 10 structure of flusher is fed, cleaning process which is not described herein again, subsequent material is set
In 20 lower section of drying unit, air-heater 21 accelerates dry tack free to material blowing hot-air, realizes drying functions, in addition, the first connection
8 right end of pipe connects 5 one end of water curtain pipe, and water curtain pipe 5 is arranged in upper left clapboard 12, and 5 other end of water curtain pipe is placed in left clapboard 12
The setting of bottom face opening, the water curtain that water curtain pipe 5 sprays can absorb the acid mist of the ejection of acid spraying tube 17, prevent acid mist from overflowing.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of zinc-plated industry Pickling-shop pipe-line system, including acid cleaning tank (7), it is characterised in that: left in the acid cleaning tank (7)
It is respectively arranged with feed inlet (4) and discharge port (26) among right both sides of the face, divides at left and right sides of the interior top end face of acid cleaning tank (7)
It is not provided with left clapboard (12) and upper right clapboard (34), is respectively arranged with down at left and right sides of the interior bottom face of acid cleaning tank (7)
Left clapboard (33) and lower right clapboard (30), the upper left clapboard (12) and upper right clapboard (34) respectively with lower left clapboard (33) and under
Right clapboard (30) is correspondingly arranged, and is provided with charging flusher between the upper left clapboard (12) and acid cleaning tank (7) left side wall
(10), be provided with acid dip pickle (15) between the upper left clapboard (12) and upper right clapboard (34), the upper right clapboard (34) and
It is provided with riser (24) between acid cleaning tank (7) interior right side wall, is provided with discharging between the upper right clapboard (34) and riser (24)
Flusher (18) is provided with drying unit (20) between the riser (24) and acid cleaning tank (7) interior right side wall, it is described it is lower it is left every
Be provided between plate (33) and acid cleaning tank (7) interior left side wall the flushed filter chamber (1) of charging, the lower left clapboard (33) and lower right every
It is provided between plate (30) pickling filter chamber (32), is provided between the lower right clapboard (30) and acid cleaning tank (7) interior right side wall
Discharge flushed filter chamber (29).
2. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 1, it is characterised in that: the charging is rinsed
Device (10) include charging water pump (11), the charging water pump (11) acid cleaning tank (7) upper surface left side installation settings, it is described into
Expect that water pump (11) input terminal connects the first water inlet pipe (9) one end, the first water inlet pipe (9) other end protrudes into acid cleaning tank (7)
And the first connecting tube (8) are provided with and communicated with, and the first connecting tube (8) bottom is provided with and communicated with several sparge pipes (6), and described
One connecting tube (8) right end connects water curtain pipe (5) one end, the water curtain pipe (5) setting, water curtain pipe in upper left clapboard (12)
(5) other end is placed in the setting of left clapboard (12) bottom face opening.
3. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 2, it is characterised in that: the acid dip pickle
It (15) include acid-proof pump (14), acid-proof pump (14) output end connects acid inlet tube (13) one end, and the acid inlet tube (13) is another
End is protruded into acid cleaning tank (7) and is connected with the second connecting tube (16), and the second connecting tube (16) bottom is provided with and communicated with several
Acid spraying tube (17).
4. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 3, it is characterised in that: the discharging is rinsed
Device (18) includes discharging water pump (19), the discharging flusher (18) setting identical with charging flusher (10) structure.
5. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 4, it is characterised in that: the drying unit
It (20) include air-heater (21), air-heater (21) input terminal is connected with blast pipe (22), air-heater (21) output end
Discharge pipe (23) one end is connected, discharge pipe (23) other end protrudes into acid cleaning tank (7) and is connected with hot wind spray head (25).
6. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 5, it is characterised in that: the acid cleaning tank
(7) front has been set gradually from left to right the first water tank (37), acid solution case (39) and the second water tank (42), the charging water pump
(11) it is connected between input terminal and the first water tank (37) the first drinking-water pipe (36), discharging water pump (19) input terminal and second
It is connected between water tank (42) the second drinking-water pipe (41), is connected with pumping between acid-proof pump (14) input terminal and acid solution case (39)
Acid tube (38).
7. a kind of zinc-plated industry Pickling-shop pipe-line system according to claim 6, it is characterised in that: the charging is rinsed
It is provided with filter screen (2) in filter chamber (1), pickling filter chamber (32) and the flushed filter chamber (29) of discharging, the charging punching
It washes and is respectively arranged in corresponding acid cleaning tank (7) left and right sidewall of the filter screen (2) in filter chamber (1) and the flushed filter chamber (29) of discharging
Fed filtration exports (3) and discharging filtering outlet (27), and the flushed filter chamber (1) of the charging and the flushed filter chamber (29) that discharges are right
Acid cleaning tank (7) front end face answered be connected between the first water tank (37) and the second water tank (42) respectively the first return pipe (35) and
Second return pipe (43), corresponding acid cleaning tank (7) front end face of the pickling filter chamber (32) are connected with acid pickle comb (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285551.7U CN208899002U (en) | 2018-08-10 | 2018-08-10 | A kind of zinc-plated industry Pickling-shop pipe-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285551.7U CN208899002U (en) | 2018-08-10 | 2018-08-10 | A kind of zinc-plated industry Pickling-shop pipe-line system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208899002U true CN208899002U (en) | 2019-05-24 |
Family
ID=66568991
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821285551.7U Expired - Fee Related CN208899002U (en) | 2018-08-10 | 2018-08-10 | A kind of zinc-plated industry Pickling-shop pipe-line system |
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| Country | Link |
|---|---|
| CN (1) | CN208899002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210738A (en) * | 2020-11-20 | 2021-01-12 | 山东富海材料科技有限公司 | Parallel multi-point continuous hot-dip galvanizing unit for high-hardness ultrathin strip steel |
| CN113637979A (en) * | 2021-08-20 | 2021-11-12 | 江苏永昊高强度螺栓有限公司 | Pickling device is used in production of high strength bolt |
-
2018
- 2018-08-10 CN CN201821285551.7U patent/CN208899002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210738A (en) * | 2020-11-20 | 2021-01-12 | 山东富海材料科技有限公司 | Parallel multi-point continuous hot-dip galvanizing unit for high-hardness ultrathin strip steel |
| CN113637979A (en) * | 2021-08-20 | 2021-11-12 | 江苏永昊高强度螺栓有限公司 | Pickling device is used in production of high strength bolt |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 |