CN110055544A - Vertical steel pipe descaling bath - Google Patents
Vertical steel pipe descaling bath Download PDFInfo
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- CN110055544A CN110055544A CN201910435324.0A CN201910435324A CN110055544A CN 110055544 A CN110055544 A CN 110055544A CN 201910435324 A CN201910435324 A CN 201910435324A CN 110055544 A CN110055544 A CN 110055544A
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- groove body
- steel pipe
- rest stand
- descaling bath
- vertical steel
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses vertical steel pipe descaling baths, including opening up groove body cylindrical and it is arranged in the intracorporal rest stand of slot, groove body is circumscribed with the circulating pump of pickling solution, circulating pump has outlet tube and inlet tube, the separating box with multiple spray nozzles is provided with below groove body, separating box is connected to the outlet tube of circulating pump, and multiple spray nozzles pass through groove body bottom straight up and protrude into groove body；Inlet tube extends downwardly into groove body at the top of groove body, so that pickling solution forms shuttling movement from bottom to top in groove body；Rest stand is mounted in groove body for placing the steel pipe to pickling, and frame body shape matches with groove body, and slot cover is covered at the top of groove body, and the suction opening towards setting inside groove body is provided at the top of slot cover, and groove body is externally provided with the acid mist recovery system communicated with suction opening.The present invention is high to the acid cleaning process reaction efficiency of steel pipe, steel pipe surfaces externally and internally high treating effect and indeformable, more efficient and save place.
Description
Technical field
The present invention relates to steel pipe processing technology fields, and in particular to vertical steel pipe descaling bath.
Background technique
Present rolled steel tube generally can all be related to the interior of steel pipe during the preceding processing or intermediate treatment of the techniques such as rolling
Outer wall washing technique, i.e. acid cleaning process, traditional dipping acid washing trough are generally the opening up horizontal design of rectangular groove body, process
Steel pipe is usually immersed to the solution of sulfuric acid and hydrochloric acid etc., with films such as the oxides that removes metal surface, is rolled in favor of subsequent
The techniques such as system are gone on smoothly；In fact, descaling bath is used the opening up horizontal design of rectangular groove body, not only occupied area
Greatly, and by steel pipe traverse in horizontal groove body, acid solution is not easy to form circulation, and the processing speed of steel pipe surfaces externally and internally is significantly different
Step, inner surface of tube wall reaction speed is slow, and steel pipe is disposed across in groove body, and steel pipe is easily deformed；In addition horizontal groove body opening face
Product is big, in the actual production process, due to foozle, deformation and seal aging etc., it is difficult to ensure that steel pipe is in descaling bath
In interior acid cleaning process, acid solution and acid mist be not excessive, and acid mist is difficult to whole collections, even if using for example hermetically sealed design of technological means
Be it is at high cost, it is extremely inconvenient to use.In actual production process, acid fog outflow pollutes workshop and surrounding enviroment, to work
The health for making personnel causes great damage.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: providing vertical steel pipe descaling bath,
The pickling processes of this descaling bath are high-efficient, steel pipe surfaces externally and internally high treating effect and indeformable, and acid mist collecting processing is easier, more
Efficiently and place is saved, to meet acid cleaning of steel tube requirement.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
Vertical steel pipe descaling bath including opening up groove body cylindrical and is arranged in the intracorporal rest stand of slot, the groove body
It is circumscribed with the circulating pump of pickling solution, circulating pump has outlet tube and inlet tube, is provided with below groove body with multiple spray nozzles
Separating box, separating box is connected to the outlet tube of circulating pump, and multiple spray nozzles pass through groove body bottom straight up and protrude into groove body
It is interior；Inlet tube extends downwardly into groove body at the top of groove body, and the flow of inlet tube and outlet tube is equal, so that pickling solution is in groove body
The shuttling movement of interior formation from bottom to top；Rest stand is mounted in groove body for placing the steel pipe to pickling, frame body shape and
Groove body matches, and is formed with gap between groove body inner wall around rest stand, to facilitate pickling solution close to steel pipe by being formed
The cleaning at groove body inner wall position；It is covered with slot cover at the top of groove body, the suction opening towards setting inside groove body is provided at the top of slot cover,
Groove body is externally provided with the acid mist recovery system communicated with suction opening, so that the intracorporal acid mist of slot is drawn to acid mist recycling by suction opening
System.
In use process of the present invention, the more steel pipes to pickling are vertically placed on rest stand, start circulating pump, pickling
After solution enters separating box by outlet tube, pickling solution is entered in groove body by the spray nozzle of separating box, corresponding groove body top
The flow of the inlet tube in portion is equal to the flow of outlet tube, therefore pickling solution forms shuttling movement from bottom to top in groove body, acid
Dilution carries out pickling to the surfaces externally and internally of the steel pipe on rest stand during the motion, removes the oxidation film on steel pipe surface layer, slot
The acid mist generated in internal cleaning process, enters acid mist recovery system from the suction opening of slot cover and carries out processing recycling.Groove body is set
Vertical cylindrical groove body is set to be placed on steel pipe in rest stand vertically for the groove body compares traditional horizontal descaling bath,
Steel pipe is during pickling, and since steel pipe is vertically placed, the center of gravity of steel pipe relatively concentration is less easily-deformable compared to traverse, and follows
Ring pump makes pickling solution form shuttling movement from bottom to top in groove body by inlet tube and outlet tube, is placed in rest stand
The pickling solution flow velocity of steel pipe surfaces externally and internally is identical, and pickling solution recycles from the bottom up in groove body, pickling solution in groove body
Concentration more evenly, accordingly makes to keep a higher hydraulic pressure in groove body, pickling solution impacts steel pipe surfaces externally and internally, makes steel pipe surface layer
Oxidation film fall off in the impact process of pickling solution, and acid cycle is more efficient, and the pickling processes effect of steel pipe is more
It is good, improve the reaction efficiency of acid cleaning process；Descaling bath vertical simultaneously, which is compared, more saves place with traditional horizontal descaling bath,
And the opening area of vertical descaling bath is smaller, and acid mist collecting processing is more easier, and acid mist pollution workshop is prevented, to staff
Health damage.
Be arranged with the shell to match with groove body shape as optimization, outside the groove body, shell aperture upward, the inner wall of shell
Spacing is equipped with several lateral supporting elements between the outer wall of groove body, and groove body is integrated by supporting element and shell, in shell
Gap is formed by between wall and groove body outer wall for outlet tube and the separating box arrangement for circulating pump.Setting shell can prevent slot
Acid solution leaks after body damage, provides prevention safeguard measure to groove body；Gap is formed by between shell and groove body outer wall convenient for supplying
The outlet tube of circulating pump and the arrangement of separating box, are respectively positioned on outlet tube and separating box in shell, will not be easily by external environment
Destruction, so that the pickling solution of circulating pump is not easy to leak.
As optimization, it is circumferentially at least two supporting block being located at below rest stand on the inner wall of groove body, is propped up
Bracer is located above spray nozzle, and multiple supporting blocks are located at same level, and the frame body bottom of rest stand is placed on the upper of supporting block
Surface, rest stand are mounted in groove body by supporting block, are had two on rest stand and are mutually perpendicular to horizontally disposed connecting rod, even
Extension bar will be divided into four vertical fan-shaped lay down areas in rest stand.By the way that supporting block, rest stand ability are arranged in groove body
It is placed in supporting block, supporting block provides support force to rest stand, while connecting rod is shelved being divided into four in rest stand
Area, for the steel pipe subregion placement to pickling, connecting rod has restriction effect to steel pipe, and more steel pipes are not easy to tilt on rest stand
It skews, each area's correspondence can place the steel pipe of more identical calibers, and acid cleaning of steel tube is facilitated to sort out collection after the completion.
As optimization, the upper surface that each supporting block is contacted with rest stand is recessed with preventing rest stand from moving horizontally
Slot, rest stand are placed in each supporting block, and the position that rest stand is contacted with corresponding supporting block is in groove, so that rest stand
It is not susceptible to move in supporting block.First that the upper surface setting of supporting block is fluted, groove is contacted with rest stand, groove pair
Rest stand, which provides, moves horizontally restriction effect, and being placed on rest stand in supporting block will not move left and right, and avoids steel pipe
Made rest stand double swerve by the flushing of pickling solution in rest stand.
As optimization, the bottom of the rest stand is waffle slab, and the mesh of waffle slab is less than the caliber of steel pipe, with prevent to
The steel pipe of pickling is fallen from waffle slab mesh.It, can be to band acid on rest stand by setting waffle slab for the bottom of rest stand
The steel pipe washed provides a supporting role, and the intracorporal pickling solution of slot can be allowed come into full contact with going forward side by side with steel pipe through waffle slab
Row pickling reaction.
As optimization, the rest stand is equipped with lifting lug, and groove body is externally provided with hanging device, to be hung by hanging device
The lifting of ear realization rest stand.Rest stand is lifted by hanging device to realize steel pipe discharging and charging, saves manpower, Er Qieshi
It is more convenient disposably by more steel pipe blankings together, reduce the triviality of work.
As optimization, in the intracorporal distribution of slot, along groove body center, quantity gradually increases the spray nozzle around.Due to slot
Diameter becomes larger around at intracorporal center, and the steel pipe accordingly placed is more, the hydrojet unrounded number of groove body bottom also with reality
Steel pipe quantity match, keep the pickling solution of the ejection of spray nozzle and corresponding steel pipe quantity corresponding, make acid cleaning of steel tube
Effect is more preferable.
As optimization, the groove body is bilayer, and bilayer is that PPR acid-proof base material is made.Groove body is used into the anti-soda acid of PPR
Bilayer is made in material, enhances the anticorrosive and durability of groove body, can be more preferable using double layer anticorrosive corrosion, avoids being corroded because of one layer
It destroys and then groove body can not work on.
As optimization, the groove body and shell are mounted on underground, and slot cover protrudes from ground.Groove body and shell are respectively mounted
In underground, the occupied space of workshop is saved, since slot cover is lower relative to ground level, staff easily facilitates operation, ground
The lower hole side for placing groove body has position-limiting action to groove body, and groove body is not easy to topple over.
As optimization, the slot cover is activity slot cover, is equipped with sealing ring at the top of slot cover and groove body at cooperation.It is set by slot cover
It is set to activity slot cover, facilitates and picks and places steel pipe and rest stand, sealing ring is arranged in engaging portion at the top of slot cover and groove body, enhances groove body
Interior leakproofness, it is ensured that the acid mist generated during pickling steel pipe in groove body does not leak to outside groove body, while reducing maintenance
Cost extends service life.
In conclusion the beneficial effects of the present invention are: vertical steel pipe descaling bath descaling bath processing effect more horizontal than tradition
Rate is high, and steel pipe is placed in rest stand vertically, and steel pipe is not easy indeformable, and circulating pump keeps pickling molten by inlet tube and outlet tube
Liquid forms shuttling movement from bottom to top in groove body, accordingly makes to keep a higher hydraulic pressure in groove body, enables pickling solution
Adequately impact steel pipe surfaces externally and internally, makes oxidation film fall off in impact process；Simultaneously vertical descaling bath compare with it is traditional
Horizontal descaling bath more saves place, and the opening area of vertical descaling bath is smaller, and acid mist collecting processing is more easier, and prevents
Acid mist pollution workshop damages the health of staff.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, in which:
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is the top view of descaling bath in Fig. 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
Appended drawing reference in Figure of description includes: control cabinet 1, acid mist recovery system 2, exhausting portion 3, convulsions hose 4, slot
Lid 5, sealing ring 6, ground 7, supporting element 8, groove body 9, shell 10, groove body reinforcing rib 11, steel pipe 12, rest stand 13, spray nozzle 14,
Separating box 15, inlet tube 16, outlet tube 17, circulating pump 18, waffle slab 19, supporting block 20, connecting rod 21.
Vertical steel pipe descaling bath in present embodiment, as shown in Figure 1, including opening up groove body cylindrical
9 and the rest stand 13 that is arranged in groove body 9, the groove body 9 be circumscribed with the circulating pump 18 of pickling solution, circulating pump 18 has liquid
Pipe 17 and inlet tube 16, are provided with the separating box 15 with multiple spray nozzles 14 below groove body 9, separating box 15 and circulating pump 18
Outlet tube 17 is connected to, and multiple spray nozzles 14 pass through 9 bottom of groove body straight up and protrude into groove body 9；Inlet tube 16 is pushed up from groove body 9
Portion extends downwardly into groove body 9, and inlet tube 16 is equal with the flow of outlet tube 17, so that pickling solution is formed in groove body 9 under
Shuttling movement on and；Rest stand 13 is mounted in groove body 9 for placing the steel pipe 12 to pickling, frame body shape and groove body 9
Match, be formed with gap between 9 inner wall of groove body around rest stand 13, to facilitate pickling solution close to steel pipe 12 by being formed
The cleaning at 9 inner wall position of groove body；It is covered with slot cover 5 at the top of groove body 9, is provided at the top of slot cover 5 towards the pumping being arranged inside groove body 9
Air port, groove body 9 is externally provided with the acid mist recovery system 2 communicated with suction opening, so that the acid mist in groove body 9 is drawn to by suction opening
Acid mist recovery system 2；Circulating pump 18 and acid mist recovery system 2 are all connected with control cabinet 1；Between acid mist recovery system 2 and suction opening
It is connected with convulsions hose 4, convulsions hose 4 is connected with the suction opening in slot cover 5；Convulsions hose 4 and acid mist recovery system 2 it
Between be additionally provided with exhausting portion 3；Pickling solution in circulating pump 18 is the mixed solution of nitric acid, hydrofluoric acid and water.
Implementation process: vertically placing the more steel pipes 12 to pickling on rest stand 13, starts circulating pump 18, pickling solution
After entering separating box 15 by outlet tube 17, pickling solution is entered in groove body 9 by the spray nozzle 14 of separating box 15, corresponding slot
The flow of the inlet tube 16 at 9 top of body is equal to the flow of outlet tube 17, therefore pickling solution is formed in groove body 9 and followed from bottom to top
Ring movement, pickling solution carry out pickling to the surfaces externally and internally of the steel pipe 12 on rest stand 13 during the motion, remove steel pipe 12
The oxidation film on surface layer, the acid mist generated in groove body 9 in cleaning process enter acid mist recovery system 2 from the suction opening of slot cover 6 and carry out
Processing recycling.
Vertical cylindrical groove body 9 is set by groove body 9, for which compares traditional horizontal descaling bath, by steel pipe
12 are placed in rest stand 13 vertically, and steel pipe 12 is vertically placed due to steel pipe 12 and is unlikely to deform during pickling, and is recycled
Pump 18 makes pickling solution form shuttling movement from bottom to top in groove body 9 by inlet tube 16 and outlet tube 17, is placed on and shelves
The pickling solution flow velocity of 12 surfaces externally and internally of steel pipe in frame 13 is identical, and pickling solution is to recycle from the bottom up, accordingly makes slot
A higher hydraulic pressure is kept in body 9, pickling solution is made to impact 12 surfaces externally and internally of steel pipe, takes off oxidation film in impact process
It falls, acid cycle is more efficient, and pickling speed is fast, and the pickling processes effect of steel pipe 12 is more preferable, convenient for the uniform of concentration, improves acid
Wash the reaction efficiency of journey；Descaling bath vertical simultaneously, which is compared, more saves place with traditional horizontal descaling bath, and vertical
The opening area of descaling bath is smaller, and acid mist collecting processing is more easier, and keeps acid mist in groove body 9 adequately sour from suction opening
Mist recovery system 2 siphons away, and prevents acid mist pollution workshop, damages to the health of staff.
In a specific embodiment, the shell 10 to match with 9 shape of groove body is arranged with outside groove body 9, shell 10 is opening up,
Spacing is equipped with several lateral supporting elements 8 between the inner wall of shell 10 and the outer wall of groove body 9, and groove body 9 passes through supporting element 8 and shell
10 is fixed, and gap is formed by between 9 outer wall of 10 inner wall of shell and groove body for the outlet tube 17 and separating box for circulating pump 18
15 arrangements.Acid solution leaks after setting shell 10 can prevent groove body 9 from damaging, and provides prevention safeguard measure to groove body 9；Shell 10 and slot
Gap is formed by between 9 outer wall of body to be convenient for making 17 He of outlet tube for the outlet tube 17 of circulating pump 18 and the arrangement of separating box 15
Separating box 15 is respectively positioned in shell 10, will not be easily by the destruction of external environment, so that the pickling solution of circulating pump 18 is not easy outside
It lets out.
In a specific embodiment, as shown in Fig. 2, be located at rest stand 13 below groove body 9 inner wall on be circumferentially with to
Few more than two supporting blocks 20, supporting block 20 are located at 14 top of spray nozzle, and multiple supporting blocks 20 are located at same level, shelve
The frame body bottom of frame 13 is placed on the upper surface of supporting block 20, and rest stand 13 is mounted in groove body 9 by supporting block 20, rest stand
There are two to be mutually perpendicular to horizontally disposed connecting rod 21, connecting rod 21 will be divided into four vertically in fan in rest stand 13 on 13
The lay down area of shape.By the way that supporting block 20 is arranged in groove body 9, rest stand 13 can be just placed in supporting block 20, and supporting block 20 is given
Rest stand 13 provides support force, while connecting rod 21 will be divided into four lay down areas in rest stand 13, for the steel pipe to pickling
12 subregions are placed, and connecting rod 21 has restriction effect to steel pipe 12, and steel pipe 12 is not easy inclination on rest stand 13 and skews, each puts
The steel pipe 12 of identical caliber can be placed by setting area's correspondence, and 12 pickling of steel pipe is facilitated to complete to sort out collection.
In a specific embodiment, the upper surface that each supporting block 20 is contacted with rest stand 13 have prevent rest stand 13
The groove moved horizontally, rest stand 13 are placed in each supporting block 20, the position that rest stand 13 is contacted with corresponding supporting block 20
In groove, so that rest stand 13 is not susceptible to move in supporting block 20.The upper surface of supporting block 20 is provided with first
Groove, groove are contacted with rest stand 13, and groove provides rest stand 13 and moves horizontally restriction effect, are placed on rest stand 13
It will not be moved left and right in supporting block 20, steel pipe 12 is avoided to be made rest stand by the flushing of pickling solution in rest stand 13
13 double swerves.
In a specific embodiment, the bottom of rest stand 13 is waffle slab 19, and the mesh of waffle slab 19 is less than the pipe of steel pipe
Diameter, to prevent the steel pipe to pickling from falling from 19 mesh of waffle slab.By setting waffle slab 19, energy for the bottom of rest stand 13
It is enough that steel pipe 12 on rest stand 13 is provided a supporting role, and the pickling solution in groove body 9 can be allowed to penetrate waffle slab 19 and steel
Pipe 12 is come into full contact with and carries out pickling reaction.
In a specific embodiment, distribution of the spray nozzle 14 in groove body 9 gradually increases along the quantity of 9 center of groove body around
It is more.Since diameter becomes larger at the center in groove body 9 around, the steel pipe more than 12 accordingly placed, the spray nozzle of 9 bottom of groove body
14 quantity also match with actual 12 quantity of steel pipe, make the pickling solution of the ejection of spray nozzle 14 and corresponding 12 quantity of steel pipe
It is corresponding, keep the effect of 12 pickling of steel pipe more preferable.
In a specific embodiment, groove body 9 is set as segmented assembling in the axial direction, between adjacent every section of groove body 9
The groove body reinforcing rib 11 of annular is installed.The rigidity of structure of groove body 9 can be improved by the way that groove body reinforcing rib 11 is arranged, avoid groove body
It is full of in 9 easily-deformable when pickling solution.
In a specific embodiment, the groove body 9 is bilayer, and bilayer is that PPR acid-proof base material is made.Groove body 9 is adopted
Bilayer is made with PPR acid-proof base material, enhances the anticorrosive and durability of groove body 9, can be more preferable using double layer anticorrosive corrosion, it avoids
Because one layer by corrosion failure and then groove body 9 can not work on.
In a specific embodiment, slot cover 5 is activity slot cover 5, is equipped with sealing ring 6 at the top of slot cover 5 and groove body 9 at cooperation.
It is set as activity slot cover 5 by slot cover 5, facilitates and picks and places steel pipe 12 and rest stand 13, set in slot cover 5 and 9 top engaging portion of groove body
Sealing ring 6 is set, the leakproofness in groove body 9 is enhanced, it is ensured that the acid mist generated during pickling steel pipe 12 in groove body 9 is not revealed
To outside groove body 9, while maintenance cost is reduced, extends service life.
In a specific embodiment, rest stand 13 is equipped with lifting lug, and groove body 9 is externally provided with hanging device, to be set by lifting
Standby lifting lifting lug realizes the lifting of rest stand 13.Rest stand 13 is lifted by hanging device to realize discharging and the dress of steel pipe 12
Material, save manpower, and be disposably by the more blankings together of steel pipe 12, it is more convenient, reduce the triviality of work.
In the implementation process of specific implementation, groove body 9 and shell 10 are mounted on underground, and slot cover 6 protrudes from ground 7.It will
Groove body 9 and shell 10 are mounted on underground, save the occupied space of workshop, since slot cover 6 is lower relative to ground level, work
Personnel easily facilitate operation, and the hole side that groove body 9 is placed in underground has position-limiting action to groove body 9, and groove body 9 is not easy to topple over.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng
According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from the present invention defined by the appended claims
Spirit and scope.
Claims (10)
1. vertical steel pipe descaling bath, it is characterised in that: put including opening up groove body cylindrical and setting slot is intracorporal
Frame is set, the groove body is circumscribed with the circulating pump of pickling solution, and circulating pump has outlet tube and inlet tube, is provided with tool below groove body
There is the separating box of multiple spray nozzles, separating box is connected to the outlet tube of circulating pump, and multiple spray nozzles pass through groove body bottom straight up
Portion simultaneously protrudes into groove body；Inlet tube extends downwardly into groove body at the top of groove body, and the flow of inlet tube and outlet tube is equal, so that sour
Dilution forms shuttling movement from bottom to top in groove body；Rest stand is mounted on for placing the steel pipe to pickling in groove body,
Its frame body shape and groove body match, and gap are formed between groove body inner wall around rest stand, to facilitate pickling solution to pass through shape
Cleaning of the pairs of steel pipe close to groove body inner wall position；It is covered with slot cover at the top of groove body, is provided at the top of slot cover towards inside groove body
The suction opening of setting, groove body are externally provided with the acid mist recovery system communicated with suction opening, so that the intracorporal acid mist of slot passes through suction opening
It is drawn to acid mist recovery system.
2. vertical steel pipe descaling bath according to claim 1, it is characterised in that: be arranged with and groove body shape outside the groove body
The shell of matching, upward, spacing is equipped with several lateral supporting elements, slot to shell aperture between the inner wall of shell and the outer wall of groove body
Body is integrated by supporting element and shell, and gap is formed by between outer casing inner wall and groove body outer wall for going out for circulating pump
Liquid pipe and separating box arrangement.
3. vertical steel pipe descaling bath according to claim 1, it is characterised in that: in the inner wall for being located at groove body below rest stand
On be circumferentially at least two supporting block, supporting block is located above spray nozzle, and multiple supporting blocks are located at same level,
The frame body bottom of rest stand is placed on the upper surface of supporting block, and rest stand is mounted in groove body by supporting block, is had on rest stand
There are two to be mutually perpendicular to horizontally disposed connecting rod, connecting rod will be divided into four vertical fan-shaped lay down areas in rest stand.
4. vertical steel pipe descaling bath according to claim 3, it is characterised in that: what each supporting block was contacted with rest stand
Upper surface has the groove for preventing rest stand from moving horizontally, and rest stand is placed in each supporting block, and rest stand is supported with corresponding
The position of block contact is in groove, so that rest stand is not susceptible to move in supporting block.
5. vertical steel pipe descaling bath according to claim 4, it is characterised in that: the bottom of the rest stand is waffle slab,
The mesh of waffle slab is less than the caliber of steel pipe, to prevent the steel pipe to pickling from falling from waffle slab mesh.
6. vertical steel pipe descaling bath according to claim 5, it is characterised in that: the rest stand is equipped with lifting lug, groove body
It is externally provided with hanging device, to lift the lifting that lifting lug realizes rest stand by hanging device.
7. vertical steel pipe descaling bath according to claim 1, it is characterised in that: the spray nozzle is on the intracorporal distribution edge of slot
Quantity gradually increases around at groove body center.
8. vertical steel pipe descaling bath according to claim 1, it is characterised in that: the groove body is bilayer, and bilayer is PPR
Acid-proof base material is made.
9. vertical steel pipe descaling bath according to claim 8, it is characterised in that: the groove body and shell are mounted on ground
Under, slot cover protrudes from ground.
10. vertical steel pipe descaling bath according to claim 1, it is characterised in that: the slot cover be activity slot cover, slot cover with
Sealing ring is equipped at the top of groove body at cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910435324.0A CN110055544B (en) | 2019-05-23 | 2019-05-23 | Vertical steel pipe pickling tank |
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|---|---|---|---|
| CN201910435324.0A CN110055544B (en) | 2019-05-23 | 2019-05-23 | Vertical steel pipe pickling tank |
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| CN110055544A true CN110055544A (en) | 2019-07-26 |
| CN110055544B CN110055544B (en) | 2023-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114540747A (en) * | 2022-01-25 | 2022-05-27 | 北京科技大学 | Preparation device and application method of inner surface gradient reinforced steel pipe |
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| CN112301357A (en) * | 2020-09-04 | 2021-02-02 | 江苏武进不锈股份有限公司 | Automatic control stainless steel tank type circulating closed pickling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114540747A (en) * | 2022-01-25 | 2022-05-27 | 北京科技大学 | Preparation device and application method of inner surface gradient reinforced steel pipe |
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