CN113088984A

CN113088984A - Pickling device for stainless steel band

Info

Publication number: CN113088984A
Application number: CN202110272794.7A
Authority: CN
Inventors: 刘标; 陆龙根
Original assignee: Anhui Dashun Stainless Steel Co ltd
Current assignee: Anhui Dashun Stainless Steel Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-07-09

Abstract

The invention provides a pickling device for stainless steel strips, which comprises a pickling tank, an extrusion mechanism for extruding and derusting steel strips at the inlet end of the pickling tank and a gas purification treatment device for purifying gas discharged from the pickling tank, wherein a steel strip walking guide assembly is arranged in the pickling tank. Through the arrangement of the extrusion mechanism, the steel strip before entering the pickling tank is convenient to be pretreated, so that rust and other impurities can be removed in advance. Through the setting of gas purification processing apparatus, be convenient for handle the acid mist that produces on the descaling bath, avoid a large amount of acid mist to release and cause the influence to the workman in the environment, improve workshop's security.

Description

Pickling device for stainless steel band

Technical Field

The invention relates to the technical field of steel belt pickling, in particular to a pickling device for a stainless steel belt.

Background

The steel belt is a conveying belt made of carbon steel and used as a traction and carrying component of the belt conveyor and can also be used for binding goods; the steel plate is a narrow and long steel plate produced by various steel rolling enterprises in order to meet the requirements of different industrial departments on industrialized production of various types of metal or mechanical products.

At present, the rust removal of the steel strip is mainly carried out by a physical method and a chemical method, wherein the chemical method carries out rust removal by a pickling line, has high rust removal speed and thorough rust removal, and is popular in the steel strip rolling processing industry. However, the rust removal operation through the pickling line has certain defects, and the pollution problem of acid mist generated in the rust removal process is solved. Furthermore, at present, the steel band basically does not need to be pretreated before entering a pickling line, if a rusty part is in a block shape or a part with larger thickness, the steel band is difficult to clean in the pickling line, the required cleaning time is greatly prolonged, and the improvement of the production efficiency is not facilitated.

Disclosure of Invention

The invention aims to solve the technical problems in the prior art. Therefore, the invention provides a pickling device for a stainless steel strip, and aims to facilitate pretreatment before the steel strip enters a pickling line and treatment of acid mist in a pickling process.

Based on the aim, the invention provides a pickling device for a stainless steel belt, which comprises a pickling tank, an extrusion mechanism for extruding and derusting the steel belt at the inlet end of the pickling tank, and a gas purification treatment device for purifying gas discharged from the pickling tank, wherein a steel belt walking guide assembly is arranged in the pickling tank.

The steel band walking direction subassembly includes that feeding guide roll, first press area guide roll, second press area guide roll and ejection of compact guide roll, the business turn over mouth end top of descaling bath is located respectively to feeding guide roll and ejection of compact guide roll, first press area guide roll and second press area guide roll to locate in the descaling bath in proper order from the entrance point of descaling bath to the exit end direction.

The extrusion mechanism comprises a rolling platform, a driving mechanism, a compression roller arranged on the rolling platform and a compression roller mounting seat connected with two ends of the compression roller, bearing support plates are arranged on two sides of the rolling platform, the driving mechanism comprises a belt and a driving motor arranged on the bearing support plates, and the driving motor is connected with the compression roller in a rotating mode through the belt.

The device also comprises a compressed gas conveying pipeline and a gas outlet nozzle, wherein a support for fixing the gas outlet nozzle is arranged on the rolling platform, and the gas outlet nozzle points to the surface of the steel strip.

The roller platform is characterized in that a first lifting mechanism used for driving the roller mounting seat to move up and down is further arranged on the roller platform, and a second lifting mechanism used for driving the bearing support plate to move up and down is arranged on the support leg of the roller platform.

Extrusion mechanism includes work platform, locates the preliminary treatment case on the work platform, locates mounting panel, lift power part, the grinding machanism and the brush body of locating the mounting panel bottom in the preliminary treatment case, lift power part is through driving mounting panel elevating movement in order to adjust grinding machanism and the distance of the brush body to the steel band.

Polishing mechanism is including polishing the casing and locating the pickling box in polishing the casing, and the bottom intercommunication of pickling box has the scavenge pipe, the intercommunication has the solenoid valve on the scavenge pipe, the both sides of polishing the box inner chamber and be located the below fixed mounting of scavenge pipe have the piece of polishing.

The polishing mechanism and the brush body are connected with the bottom surface of the mounting plate through springs.

The gas purification treatment device comprises an induced draft cover, a gas transmission pipeline and an acid mist tower treatment device, wherein the induced draft cover, the gas transmission pipeline and the acid mist tower treatment device are arranged above the pickling tank, and the induced draft cover is connected with the acid mist tower treatment device through the gas transmission pipeline.

The invention has the beneficial effects that:

1. according to the invention, through the arrangement of the extrusion mechanism, the steel belt before entering the pickling tank is pretreated conveniently, so that rust and other impurities can be removed in advance, the impurities such as rust in a larger area are prevented from entering the pickling tank, the longer pickling time is avoided, and the pickling efficiency is improved.

2. According to the invention, through the arrangement of the gas purification treatment device, the acid mist generated on the pickling tank can be conveniently treated, the influence on workers caused by the release of a large amount of acid mist into the environment is avoided, and the safety of a production workshop is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a partially enlarged view of a platen according to example 1 of the present invention;

FIG. 3 is a schematic structural view of example 2 of the present invention;

fig. 4 is a schematic structural view of a polishing shell in embodiment 2 of the present invention.

Labeled as:

1. a pickling tank; 2. a feed guide roll; 3. a first pinch guide roller; 4. a second pinch guide roller; 5. a discharge guide roller; 6. an induced draft cover; 7. a gas transmission pipeline; 8. an acid mist tower treatment device; 9. rolling the platform; 10. a compression roller; 11. a press roller mounting seat; 12. a bearing support plate; 13. a belt; 14. a drive motor; 15. supporting legs; 16. a compressed gas delivery line; 17. an air outlet nozzle; 18. a working platform; 19. a pretreatment tank; 20. a hydraulic cylinder; 21. mounting a plate; 22. polishing the shell; 23. a brush body; 24. a spring; 25. pickling boxes; 26. cleaning the tube; 27. an electromagnetic valve; 28. and (7) polishing blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 4, the present invention relates to a pickling device for a stainless steel strip, which comprises a pickling tank 1, an extrusion mechanism for extruding and derusting a steel strip at an inlet end of the pickling tank 1, and a gas purification treatment device for purifying gas discharged from the pickling tank 1, wherein a steel strip traveling guide assembly is arranged in the pickling tank 1. Through the setting of extrusion mechanism, be convenient for carry out the preliminary treatment to the steel band before getting into the descaling bath to detach rust and other impurity in advance, avoid impurity such as the rust of great region to enter into the descaling bath, avoid spending longer pickling time, improve pickling efficiency. Through the setting of gas purification processing apparatus, be convenient for handle the acid mist that produces on the descaling bath, avoid a large amount of acid mist to release and cause the influence to the workman in the environment, improve workshop's security. The following is a description by specific examples.

Example 1

As shown in fig. 1 and fig. 2, in this embodiment, the steel strip walking guide assembly includes a feeding guide roller 2, a first press belt guide roller 3, a second press belt guide roller 4 and a discharging guide roller 5, the feeding guide roller 2 and the discharging guide roller 5 are respectively disposed above the inlet and outlet ends of the pickling tank 1, and the first press belt guide roller 3 and the second press belt guide roller 4 are sequentially disposed in the pickling tank 1 from the inlet end to the outlet end of the pickling tank 1. The feeding guide roll is used for leading-in from the feed inlet end of descaling bath with the steel band that the blowing wheel was emitted, later passes through first area guide roll and the guide effect that the second pressed the area guide roll in proper order, and the material wheel is received in the direction of ejection of compact guide roll from the discharge gate end of descaling bath, and in addition, first area guide roll and second pressed the area guide roll and can be pressed the steel band in the descaling bath, make the steel band submergence in the descaling bath completely, be favorable to the comprehensive pickling of steel band.

In this embodiment, the gas purification treatment device includes an induced air cover 6, a gas transmission pipeline 7 and an acid mist tower treatment device 8 which are arranged above the pickling tank 1, and the induced air cover 6 is connected with the acid mist tower treatment device 8 through the gas transmission pipeline 7. In order to guide the acid mist to the acid mist tower treatment device, an induced draft fan can be arranged on the gas transmission pipeline. When the device works, the induced draft fan is started, acid mist generated on the pickling tank is sucked into the gas transmission pipeline through the induced draft fan cover and then enters the acid mist tower treatment device for treatment, and the treated gas can be directly discharged outside.

In this embodiment, the extrusion mechanism includes roll-in platform 9, actuating mechanism, locates compression roller 10 on roll-in platform 9 and the compression roller 10 mount pad of being connected with compression roller 10 both ends erection, roll-in platform 9's both sides all are equipped with bears backup pad 12, actuating mechanism includes belt 13 and locates the driving motor 14 who bears on backup pad 12, driving motor 14 passes through belt 13 and is connected with compression roller 10 rotation. Particularly, two sides of the rolling platform are respectively provided with a pressing roller mounting seat, and two ends of the pressing roller are connected with the two pressing roller mounting seats in an installing mode. And a driving motor is arranged on the bearing support plate below the corresponding compression roller mounting seat, and is rotatably connected with the corresponding compression roller connecting end through a belt. The pressing roller and the pressing roller platform are reserved with a steel belt passing space, when the steel belt needs to be subjected to flatness adjustment, the driving motor is started, the driving motor drives the pressing roller to rotate through a belt, the pressing roller rolls the steel belt conveyed from the pressing roller platform to the pressing roller gap, and due to the rolling effect, the rusty part is crushed or the rusty part is rolled to increase the stress area, so that the later pickling operation is facilitated.

In order to facilitate the separation of the crushed rusty slag from the surface of the steel strip, the pickling device further comprises a compressed gas conveying pipeline 16 and a gas outlet nozzle 17, wherein a support for fixing the gas outlet nozzle 17 is arranged on the rolling platform 9, and the gas outlet nozzle 17 points to the surface of the steel strip. During operation, open compressed air source for compressed gas leads to the gas outlet nozzle through compressed gas conveying pipeline, and then blows compressed gas to the steel band surface through the gas outlet nozzle, realizes the clearance to the steel band surface after the roll-in platform rolls in.

As a further improvement, a first lifting mechanism for driving the installation seat of the compression roller 10 to move up and down is further arranged on the rolling platform 9, and a second lifting mechanism for driving the bearing support plate 12 to move up and down is arranged on the support leg 15 of the compression roller 10 platform. Specifically, the first lifting mechanism and the second lifting mechanism can adopt cylinders, hydraulic cylinders or electric push rods, the electric push rods are taken as examples, the first lifting mechanism comprises a plurality of first electric push rods, and the top telescopic ends of the first electric push rods are connected with the compression roller mounting seat through fasteners. Be equipped with the mounting groove of installation first electric putter on roll-in platform, a plurality of first electric putter equipartitions are in the length direction of compression roller mount pad to the compression roller mount pad atress is more balanced at the lift in-process, avoids the compression roller slope. The second lifting mechanism comprises a second electric push rod and a guide rail which are respectively arranged on the side wall of the supporting leg, two ends of the bearing supporting plate are respectively connected with the guide rail in a sliding mode through a sliding block, and the top telescopic end of the second electric push rod is connected with the sliding block through a fastener. When the height of the compression roller from the compression roller platform needs to be adjusted, the first electric push rod and the second electric push rod are started, so that the first electric push rod drives the compression roller mounting seat to move upwards, meanwhile, the second electric push rod drives the bearing support plate to move upwards synchronously, and after the height is adjusted to be proper, the electric push rod switch is closed. The lifting mechanism is convenient to adapt to rolling of steel belts with different thicknesses, so that the flatness is improved.

Example 2

As shown in fig. 3 and 4, the present embodiment is different from embodiment 1 in that the extruding mechanism includes a working platform 18, a pretreatment tank 19 disposed on the working platform 18, a mounting plate 21 disposed in the pretreatment tank 19, a lifting power component, a polishing mechanism disposed at the bottom of the mounting plate 21, and a brush 23, and the lifting power component drives the mounting plate 21 to move up and down to adjust the distance from the polishing mechanism and the brush 23 to the steel strip. The arrangement of the polishing mechanism is convenient for polishing rusty spots on the steel belt, and then the rusty spots are removed through the brush body.

Grinding machanism is including polishing casing 22 and locating the pickling box 25 of polishing in the casing 22, and the bottom intercommunication of pickling box 25 has scavenge pipe 26, the intercommunication has solenoid valve 27 on the scavenge pipe 26, the both sides of polishing box inner chamber and the below fixed mounting that is located scavenge pipe 26 have a piece 28 of polishing. Through setting up sanding block and pickling box, realize polishing and pickling to the steel band, wash the steel band surface through the brush body afterwards to realize more thorough of steel band surface clearance, can effectively improve follow-up pickling quality of steel band in the descaling bath, improve pickling quality greatly.

As a further improvement, the grinding shell and the brush body are connected with the bottom surface of the mounting plate through springs. When the polishing brush is specifically arranged, the polishing shell is connected with the bottom surface of one end of the mounting plate through one spring, and the brush body is connected with the bottom surface of the other end of the mounting plate through the other spring. Through the arrangement of the spring, the polishing shell and the brush body have certain up-down floating force, and polishing and brushing of steel belts with different thicknesses are facilitated. Meanwhile, due to the action of elastic force, the steel belt is prevented from being greatly damaged by friction.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a pickling plant for stainless steel band, includes the descaling bath, its characterized in that, the device is still including being used for carrying out the extrusion mechanism that extrudees the rust cleaning to the steel band of descaling bath entrance point and being used for carrying out the gas purification processing apparatus who purifies to the descaling bath combustion gas, be equipped with steel band walking direction subassembly in the descaling bath.

2. The pickling device for the stainless steel strip as claimed in claim 1, wherein the steel strip traveling guide assembly comprises a feeding guide roller, a first pressing belt guide roller, a second pressing belt guide roller and a discharging guide roller, the feeding guide roller and the discharging guide roller are respectively arranged above the inlet and outlet ends of the pickling tank, and the first pressing belt guide roller and the second pressing belt guide roller are sequentially arranged in the pickling tank from the inlet end to the outlet end of the pickling tank.

3. The pickling device for stainless steel strips as claimed in claim 1, wherein the pressing mechanism comprises a rolling platform, a driving mechanism, a pressing roller arranged on the rolling platform, and a pressing roller mounting seat connected to two ends of the pressing roller, the rolling platform is provided with bearing support plates on two sides, the driving mechanism comprises a belt and a driving motor arranged on the bearing support plates, and the driving motor is rotatably connected to the pressing roller through the belt.

4. The pickling apparatus for stainless steel strip as claimed in claim 3, wherein the pickling apparatus further comprises a compressed gas delivery line and a gas outlet nozzle, and the rolling platform is provided with a bracket for fixing the gas outlet nozzle, and the gas outlet nozzle is directed to the surface of the stainless steel strip.

5. The pickling device for stainless steel strips as claimed in claim 3, wherein the rolling platform is further provided with a first lifting mechanism for driving the rolling roller mounting seat to move up and down, and the supporting leg of the rolling roller platform is provided with a second lifting mechanism for driving the bearing support plate to move up and down.

6. The pickling device for stainless steel strips as claimed in claim 1, wherein the pressing mechanism comprises a working platform, a pretreatment tank arranged on the working platform, a mounting plate arranged in the pretreatment tank, a lifting power component, a grinding mechanism arranged at the bottom of the mounting plate and a brush body, wherein the lifting power component drives the mounting plate to move up and down to adjust the distance from the grinding mechanism and the brush body to the steel strips.

7. The pickling device for stainless steel strips as claimed in claim 6, wherein the grinding mechanism comprises a grinding shell and a pickling box arranged in the grinding shell, the bottom of the pickling box is communicated with a cleaning pipe, the cleaning pipe is communicated with an electromagnetic valve, and grinding blocks are fixedly arranged on two sides of the inner cavity of the grinding box and below the cleaning pipe.

8. The pickling apparatus for stainless steel strip as claimed in claim 6, wherein the grinding means and the brush body are connected to the bottom surface of the mounting plate by a spring.

9. The pickling device for stainless steel strips as claimed in claim 1, wherein the gas purification treatment device comprises an air induction cover, a gas pipeline and an acid mist tower treatment device, wherein the air induction cover is arranged above the pickling tank and is connected with the acid mist tower treatment device through the gas pipeline.