Device for producing iron oxide powder from cold rolling acid regeneration

Abstract

The application discloses a cold-rolling acid regeneration production of iron oxide powder device, relates to the technical field of cold-rolling acid regeneration iron oxide powder, and provides the cold-rolling acid regeneration production of iron oxide powder device, which comprises a base, a sealed tank assembly is arranged on the upper surface of the base, a communication assembly is arranged on the surface of the sealed tank assembly, and a pressure relief touch control assembly is arranged on the top of the sealed tank assembly.The pressure relief touch control assembly and the spray purification assembly are arranged, when the internal pressure of the tank body increases during use, the tank body can automatically perform pressure relief operation, the air pump and the water pump can be controlled to work synchronously under the action of pressure during pressure relief, the gas after pressure relief is sent into the inside of the shell by the air pump, the gas in the shell is adsorbed and filtered by the water pump, the emission of irritating gas and harmful gas is reduced, the physical and mental health of workers is protected during use, and the pollution to the atmospheric environment is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cold rolling acid regeneration iron oxide powder, in particular to a device for producing iron oxide powder through cold rolling acid regeneration. BACKGROUND

[0002] The cold rolling acid regeneration iron oxide powder is an important by-product in the regeneration process of hydrochloric acid in a steel plant, in a cold rolling and pickling plant, when hydrochloric acid is used to pickling steel plates, the iron oxide on the surface of the plates reacts with the hydrochloric acid to form ferrous chloride or ferric chloride and is dissolved in the pickling solution, as the pickling process proceeds, the concentration of iron ions in the pickling solution increases, and the concentration of free HCl decreases accordingly, in order to maintain the concentration of free HCl in the pickling solution, the waste pickling solution is sent to an acid regeneration device, in the acid regeneration unit, the iron chloride is calcined and oxidized to generate HCl gas and Fe2O3 small particles, the HCl is absorbed to generate regenerated acid with a concentration of 18-20%, which is sent back to the pickling line for recycling, and the Fe2O3 is generated as iron oxide powder, the cold rolling acid regeneration process mainly includes two parts, one is a silicon removal part, and the other is a calcination part, in the silicon removal part, an oxidation process is added after improvement, 4Fe2++ O2+ 4H+ = 4Fe3++ 2H2O, the hydrogen ions are consumed, the pH value is increased to a certain extent, the amount of ammonia water or ammonium carbonate is reduced, and a part of ferric hydroxide is generated in advance, which can adsorb silicon, aluminum and other elements in the acid solution, prolong the reaction time, and enhance the effect of impurity removal, when the waste acid solution flows out of the leaching tower, the pH value of the free acid is about 1.5-2.0, the acid solution overflows into the ammonia reaction tank, 20% ammonia water is added into the ammonia reaction tank, and the pH value is increased to 4.0-4.5, the device for producing iron oxide powder through cold rolling acid regeneration in the application is specifically an ammonia reaction tank used in the silicon removal process.

[0003] However, ammonia water or ammonium carbonate is used for ammonia reaction to increase the pH value of the solution in the production process of the iron oxide powder, but both of them need to maintain the sealing property during use, and the pressure in the reaction tank is increased during use, the reaction tank cannot automatically release pressure during use, and the irritating and harmful gas generated after pressure release cannot be purified and treated, so as to endanger the physical and mental health of the workers during subsequent use, and pollute the atmospheric environment. SUMMARY

[0004] The application aims to provide a device for producing iron oxide powder through cold rolling acid regeneration, so as to solve the problems in the background art.

[0005] In order to achieve the above object, the present application provides the following technical scheme: the device for producing iron oxide powder by cold rolling acid regeneration, comprising a base, a sealing tank assembly is arranged on the upper surface of the base, a communication assembly is arranged on the surface of the sealing tank assembly, a pressure relief touch control assembly is arranged on the top of the sealing tank assembly, a spray purification assembly is arranged on one side of the pressure relief touch control assembly.

[0006] The sealing tank assembly comprises a tank body fixedly installed on the base, a feeding pipe is communicated with the top of the tank body, and a sealing plug is threadedly connected to the top of the feeding pipe.

[0007] By arranging the sealing tank assembly and the communication assembly, the sealing and feeding operations are facilitated during use, the overall device can be hoisted and moved conveniently, the use stability of the device is maintained, the subsequent operation is facilitated, and the use convenience of the device is improved.

[0008] The pressure relief touch control assembly comprises a sealing pipe communicated with the top of the tank body, a pressure relief pipe is communicated in the sealing pipe, a return spring is fixedly installed on the inner bottom wall of the pressure relief pipe, a piston is fixedly installed on the top of the return spring, a piston ring is fixedly installed in the pressure relief pipe, a limiting rod is fixedly installed on the top of the pressure relief pipe, a baffle is fixedly installed on the top of the limiting rod, a touch switch is fixedly installed on the bottom of the baffle, a gas outlet pipe is communicated with the top of the sealing pipe, one end of the gas outlet pipe is communicated with a gas pump, the gas inlet of the gas pump is communicated with one end of the gas outlet pipe, and the other end of the gas pump is communicated with a gas conveying pipe.

[0009] The spray purification assembly comprises a shell fixedly installed on the top of the tank body, a mesh plate is fixedly installed in the shell, an adsorption plate is fixedly installed on the top of the mesh plate, one end of the gas conveying pipe penetrates the top of the shell, the adsorption plate and the mesh plate in sequence and extends to below the mesh plate, a water pump is fixedly installed on one side of the top of the shell, a water outlet is communicated with a water outlet pipe, one end of the water outlet pipe penetrates the top of the shell and extends to the inside of the shell, a nozzle is communicated with one end of the water outlet pipe in the shell, a plurality of nozzles are communicated with the surface of the nozzle, a water inlet of the water pump is communicated with a circulating water inlet pipe, and one end of the circulating water inlet pipe is communicated with one side of the shell.

[0010] By arranging the pressure relief touch control assembly and the spray purification assembly, when the internal pressure of the tank body increases during use, the tank body can automatically perform pressure relief operation, and the gas pump and the water pump can be controlled to work synchronously under the action of the pressure during pressure relief, the gas after pressure relief is sent into the inside of the shell through the gas pump, and the adsorption and filtration operation of the purified dilution liquid on the gas in the shell is performed through the water pump, so as to reduce the emission of irritating gas and harmful gas, reduce the harm to the physical and mental health of the workers during use, and reduce the pollution to the atmospheric environment.

[0011] Preferably, the bottom of the base is provided with a support limiting component, the support limiting component comprises support rods fixedly installed at the four corners of the bottom of the base, the bottom of the support rod is fixedly installed with a mounting plate, the mounting plate is provided with a mounting hole, the mounting hole is an oblong hole, the lower surface of the mounting plate is provided with an anti-skid pattern, and the two adjacent support rods are fixedly connected through a pull rod.

[0012] The support limiting component is arranged, so that the device is conveniently supported and positioned during use, thereby conveniently supporting the device, improving the installation stability of the device, facilitating subsequent use, and improving the use efficiency of the device.

[0013] Preferably, the communication component further comprises a cleaning pipe communicated with the bottom of the tank body, and the surface of the cleaning pipe is communicated with a solenoid valve, and the top of the solenoid valve is fixedly connected with the bottom of the tank body.

[0014] The cleaning pipe and the solenoid valve are arranged, so that the residual liquid or contaminated liquid in the tank body can be conveniently cleaned during use, thereby cleaning the inside of the tank body during use, reducing the cleaning difficulty of the tank body, and maintaining the cleanliness of the tank body.

[0015] Preferably, lifting blocks are fixedly installed on the two sides of the tank body, the upper surface of the lifting block is provided with a groove, and the inner bottom wall of the groove is provided with a lifting hole.

[0016] The lifting block is arranged, so that the lifting block is conveniently lifted during use, thereby facilitating subsequent lifting and installation operations, and improving the use convenience of the device.

[0017] Preferably, the communication component further comprises a feeding pipe communicated with one side of the tank body, and a discharging pipe communicated with the front surface of the tank body, one end of the feeding pipe and the discharging pipe is communicated with a flange plate, the flange plate is provided with a flange hole, the front surface of the tank body is provided with an observation hole, the inner wall of the observation hole is inlaid with a glass plate, and the surface of the glass plate is sealingly connected with the inner wall of the observation hole.

[0018] The feeding pipe and the discharging pipe are arranged, so that the corresponding pipes are communicated during use, and the flange plate is arranged, so that the flange plate is conveniently installed and positioned during use, and the sealing property during connection is maintained.

[0019] Preferably, the top of the sealing plug is hexagonal, and the surface of the sealing plug is provided with an anti-skid pattern.

[0020] The hexagonal sealing plug is arranged, so that the sealing plug is conveniently loosened and tightened and loosened by using a wrench during use.

[0021] Preferably, the piston is T-shaped, the bottom of the piston is attached to the top of the piston ring, the surface of the piston is in sliding connection with the inner wall of the piston ring, the piston is matched with the piston ring, the surface of the piston is in sliding connection with the inner wall of the pressure relief pipe, and the piston is matched with the pressure relief pipe.

[0022] Through the piston ring and the piston, the sealing between the piston ring and the piston is facilitated during use, and the air tightness of the device is maintained.

[0023] Preferably, the adsorption plate and the mesh plate are provided with pipe holes for the gas conveying pipe to pass through, the inner wall of the pipe hole is in sealing connection with the surface of the gas conveying pipe, the bottom of the gas conveying pipe is close to the inner bottom wall of the shell, one end of the circulating water inlet pipe is located below the mesh plate, and the pipe opening end of the circulating water inlet pipe is flush with the inner bottom wall of the shell.

[0024] Through the mesh plate and the adsorption plate, the filtered and adsorbed operation of the gas after pressure relief can be performed during use, and the adsorption plate is made of activated carbon adsorption material.

[0025] Preferably, the back side of the shell is communicated with a liquid adding pipe, the surface of the liquid adding pipe is communicated with a control valve, one end of the control valve is communicated with the back side of the shell, the back side of the shell located below the liquid adding pipe is communicated with a cleaning and discharging pipe, and the surface of the cleaning and discharging pipe is communicated with a valve.

[0026] Through the liquid adding pipe, it is convenient to add dilution liquid to the inside of the device during use, facilitate subsequent purification operation, and also facilitate replacement of the liquid.

[0027] Preferably, the top of the shell is communicated with an exhaust pipe, the top of the exhaust pipe is fixedly installed with an inverted conical protective pipe, and the touch switch is electrically connected with the air pump and the water pump.

[0028] Through the exhaust pipe and the inverted conical protective pipe, the purified gas can be discharged, dust or impurities can be prevented from entering the inside of the shell through the exhaust pipe, and subsequent normal use is facilitated.

[0029] Compared with the prior art, the device has the following advantages:

[0030] (1) The device for producing iron oxide powder from cold-rolled acid regeneration, through the pressure relief touch control assembly and the spray purification assembly, when the internal pressure of the tank body increases, the tank body can automatically perform pressure relief operation, at the same time of pressure relief, the air pump and the water pump can be controlled to work synchronously under the action of pressure, the gas after pressure relief is sent into the inside of the shell through the air pump, and the purified dilution liquid is used to perform adsorption and filtration operation on the gas in the shell through the water pump, so as to reduce the emission of irritating gas and harmful gas, reduce the harm to the physical and mental health of workers during use, and reduce the pollution to the atmospheric environment.

[0031] (2), the device for producing iron oxide powder by cold rolling acid regeneration, through the sealing tank assembly and the communication assembly, in the process of use, it is convenient to seal and add material, and it is also convenient to lift and move the whole device, maintains the stability of the device, facilitates the subsequent operation, and improves the convenience of the device.

[0032] (3), the device for producing iron oxide powder by cold rolling acid regeneration, through the setting of the supporting and limiting assembly, in the process of use, it is convenient to support and position the device, so as to support it and improve the installation stability of the device, facilitate the subsequent use, and also facilitate the operation of the staff, improve the use efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a first perspective view of the structure of the present application;

[0034] Figure 2 It is a second perspective view of the structure of the present application;

[0035] Figure 3 It is a first perspective view of the structure of the present application;

[0036] Figure 4 It is a second perspective view of the structure of the present application;

[0037] Figure 5 It is a first perspective view of the structure of the present application; Figure 1 It is an enlarged view of structure A in the present application;

[0038] Figure 6 It is an enlarged view of structure B in the present application; Figure 2 It is an enlarged view of structure B in the present application;

[0039] Figure 7 It is an enlarged view of structure C in the present application; Figure 3 It is an enlarged view of structure C in the present application;

[0040] Figure 8 It is an enlarged view of structure D in the present application. Figure 4 It is an enlarged view of structure D in the present application.

[0041] In the figure: 1, base; 2, sealed tank assembly; 200, tank body; 201, feeding pipe; 202, sealing plug; 203, lifting block; 3, communication assembly; 300, cleaning pipe; 301, electromagnetic valve; 302, feeding pipe; 303, discharging pipe; 4, pressure relief touch control assembly; 400, sealing pipe; 401, pressure relief pipe; 402, return spring; 403, piston; 404, piston ring; 405, limiting rod; 406, baffle; 407, touch switch; 408, air outlet pipe; 409, air pump; 410, air conveying pipe; 5, spray cleaning assembly; 500, shell; 501, mesh plate; 502, adsorption plate; 503, water pump; 504, water outlet pipe; 505, spray head; 506, nozzle; 507, circulating water inlet pipe; 508, liquid feeding pipe; 509, control valve; 510, cleaning discharge pipe; 511, valve; 512, exhaust pipe; 513, inverted conical protective pipe; 6, support limiting assembly; 600, support rod; 601, mounting plate; 602, pull rod. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0043] Please refer to Figures 1-8 The present application provides a technical solution: a device for producing iron oxide powder by regenerating cold-rolled acid, comprising a base 1, the upper surface of the base 1 is provided with a sealed tank assembly 2, the surface of the sealed tank assembly 2 is provided with a communication assembly 3, the top of the sealed tank assembly 2 is provided with a pressure relief touch control assembly 4, one side of the pressure relief touch control assembly 4 is provided with a spray cleaning assembly 5.

[0044] The sealed tank assembly 2 comprises a tank body 200 fixedly installed on the base 1, and the top of the tank body 200 is communicated with a feeding pipe 201, and the top of the feeding pipe 201 is threadedly connected with a sealing plug 202.

[0045] By setting the sealed tank assembly 2 and the communication assembly 3, it is convenient to seal and feed during use, and it is also convenient to hoist and move the whole device, maintaining the use stability of the device, facilitating subsequent operation, and improving the use convenience of the device.

[0046] The pressure relief touch component 4 comprises a sealing pipe 400 communicated at the top of the tank body 200, the inside of the sealing pipe 400 is communicated with a pressure relief pipe 401, the inner bottom wall of the pressure relief pipe 401 is fixedly installed with a return spring 402, the top of the return spring 402 is fixedly installed with a piston 403, the inside of the pressure relief pipe 401 is fixedly installed with a piston ring 404, the top of the pressure relief pipe 401 is fixedly installed with a limiting rod 405, the top of the limiting rod 405 is fixedly installed with a baffle 406, the bottom of the baffle 406 is fixedly installed with a touch switch 407, the top of the sealing pipe 400 is communicated with an air outlet pipe 408, one end of the air outlet pipe 408 is communicated with an air pump 409, the air inlet of the air pump 409 is communicated with one end of the air outlet pipe 408, the other end of the air pump 409 is communicated with a gas conveying pipe 410.

[0047] The spray purification component 5 comprises a shell 500 fixedly installed at the top of the tank body 200, the inside of the shell 500 is fixedly installed with a mesh plate 501, the top of the mesh plate 501 is fixedly installed with an adsorption plate 502, one end of the gas conveying pipe 410 penetrates through the top of the shell 500, the adsorption plate 502 and the mesh plate 501 in sequence and extends to the below of the mesh plate 501, one side of the top of the shell 500 is fixedly installed with a water pump 503, the water outlet of the water pump 503 is communicated with a water outlet pipe 504, one end of the water outlet pipe 504 penetrates through the top of the shell 500 and extends to the inside of the shell 500, one end of the water outlet pipe 504 located in the inside of the shell 500 is communicated with a spray head 505, the surface of the spray head 505 is communicated with a nozzle 506, the water inlet of the water pump 503 is communicated with a circulating water inlet pipe 507, one end of the circulating water inlet pipe 507 is communicated with one side of the shell 500.

[0048] Through the pressure relief touch component 4 and the spray purification component 5 arranged, when the internal pressure of the tank body 200 increases in the process of use, the tank body 200 can automatically perform pressure relief operation, at the same time of pressure relief, the air pump 409 and the water pump 503 can be controlled to work synchronously under the action of pressure, the gas after pressure relief is sent into the inside of the shell 500 through the air pump 409, the gas in the shell 500 is adsorbed and filtered through the water pump 503 to dilute liquid, so as to reduce the emission of irritating gas and harmful gas, reduce the harm to the physical and mental health of the staff in the process of use, and also reduce the pollution to the atmospheric environment.

[0049] Please refer to Figure 4The bottom of the base 1 is provided with a support limiting assembly 6, the support limiting assembly 6 comprises support rods 600 fixedly installed at the four corners of the bottom of the base 1, the bottom of the support rod 600 is fixedly installed with a mounting plate 601, the mounting plate 601 is provided with a mounting hole, the mounting hole is a long circular hole, the lower surface of the mounting plate 601 is provided with an anti-skid pattern, the adjacent two support rods 600 are fixedly connected through a pull rod 602, the support limiting assembly 6 is arranged, which is convenient for supporting and positioning the device during use, thereby facilitating the support of the device, improving the installation stability of the device, facilitating subsequent use, facilitating the operation of the staff, and improving the use efficiency of the device.

[0050] Please refer to Figure 4 The cleaning pipe 300 and the electromagnetic valve 301 are arranged, which facilitates the cleaning of residual liquid or contaminated liquid in the tank body 200 during use, so that the tank body 200 can be cleaned during use, the cleaning difficulty of the tank body 200 is reduced, and the cleanliness of the tank body 200 is maintained.

[0051] Please refer to Figure 4 The lifting block 203 is arranged, which facilitates the lifting operation during use, thereby facilitating the subsequent lifting and installation operation, and improving the use convenience of the device.

[0052] Please refer to Figure 4 The feeding pipe 302 and the discharge pipe 303 are arranged, which facilitates the communication between the corresponding pipes during use, and the flange plate is arranged, which facilitates the installation and positioning operation during use, and maintains the sealing property during connection.

[0053] Please refer to Figure 7 The top of the sealing plug 202 is hexagonal, and the surface of the sealing plug 202 is provided with an anti-skid pattern, the hexagonal sealing plug 202 is arranged, which facilitates the loosening and tightening and loosening operation of the wrench during use.

[0054] Please refer to Figure 5The piston 403 is T-shaped, the bottom of the piston 403 is attached to the top of the piston ring 404, the surface of the piston 403 is in sliding connection with the inner wall of the piston ring 404, the piston 403 is matched with the piston ring 404, the surface of the piston 403 is in sliding connection with the inner wall of the pressure relief pipe 401, and the piston 403 is matched with the pressure relief pipe 401, the piston ring 404 and the piston 403 are arranged, which facilitates the sealing between the two in use, while the air tightness of the device is maintained.

[0055] Please refer to Figure 6 The pipe hole is in sealing connection with the surface of the gas conveying pipe 410, the bottom of the gas conveying pipe 410 is close to the inner bottom wall of the shell 500, one end of the circulating water inlet pipe 507 is located below the mesh plate 501, and the pipe opening end of the circulating water inlet pipe 507 is flush with the inner bottom wall of the shell 500, the mesh plate 501 and the adsorption plate 502 are arranged, which can filter and adsorb the gas after pressure relief in use, and the adsorption plate 502 is made of activated carbon adsorption material.

[0056] Please refer to Figures 6-7 The back side of the shell 500 is communicated with the liquid adding pipe 508, the surface of the liquid adding pipe 508 is communicated with the control valve 509, one end of the control valve 509 is communicated with the back side of the shell 500, the back side of the shell 500 is communicated with the cleaning and discharging pipe 510 below the liquid adding pipe 508, the surface of the cleaning and discharging pipe 510 is communicated with the valve 511, and the liquid adding pipe 508 is arranged, which facilitates the addition of diluent to the inside of the device in use, facilitates the subsequent purification operation, and also facilitates the replacement of the liquid.

[0057] Please refer to Figures 1-8 The top of the shell 500 is communicated with the exhaust pipe 512, the top of the exhaust pipe 512 is fixedly installed with the inverted conical protective pipe 513, the touch switch 407 is electrically connected with the air pump 409 and the water pump 503 respectively, and the exhaust pipe 512 and the inverted conical protective pipe 513 are arranged, which can discharge the purified gas and also avoid dust or impurities from entering the inside of the shell 500 through the exhaust pipe 512, facilitating the subsequent normal use.

[0058] Working principle: in use, place the reaction tank in a position avoiding direct sunlight, then install it on the rammed land or hardened ground through the mounting plate 601, avoid the safety accident caused by the inclination or subsidence of the storage tank, then connect the feeding pipe 302 and the discharge pipe 303 with the corresponding equipment interface, then loosen the sealing plug 202, so that the feeding pipe 201 is opened, ammonia water or ammonium carbonate is added into the inside of the tank body 200 through the feeding pipe 201, then the sealing plug 202 is tightened, when the inside of the tank body 200 reacts or is affected by temperature, the pressure in the inside of the tank body 200 increases, then the piston 403 on the reset spring 402 is lifted, so that the top of the piston 403 is separated from the piston ring 404, the top of the piston 403 moves to the outside of the pressure relief pipe 401, then the pressure relief operation is carried out, in the process of pressure relief, the piston 403 extrudes the touch switch 407, so that the air pump 409 and the water pump 503 work, the air pump 409 draws the gas in the sealing pipe 400 into the inside of the shell 500, then the water in the inside of the shell 500 preliminarily filters the gas, and the water pump 503 works to draw the water in the shell 500 into the inside of the water outlet pipe 504, and the spray head 505 and the nozzle 506 are used for spraying, so that the automatic filtering and spraying purification effect in the automatic pressure relief process is facilitated.

[0059] When it is necessary to replace the liquid in the inside of the shell 500, the control valve 511 is opened, so that the liquid in the inside of the shell 500 is discharged through the cleaning discharge pipe 510, then the control valve 511 is closed, and then the control valve 509 is opened, and the purified diluent is added into the inside of the shell 500 through the liquid adding pipe 508.

[0060] The standard parts used in the application can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0061] The application and the embodiments thereof are described above, and the description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In summary, if the person skilled in the art is inspired, without departing from the purpose of the application, without creative design, similar structure and embodiments of the technical scheme can be designed, which should belong to the protection scope of the application.

Claims

1. Device for the production of iron oxide powder from cold rolling acid regeneration, comprising a base (1), characterized by: The upper surface of the base (1) is provided with a sealed tank assembly (2), the surface of the sealed tank assembly (2) is provided with a communication assembly (3), the top of the sealed tank assembly (2) is provided with a pressure relief touch control assembly (4), one side of the pressure relief touch control assembly (4) is provided with a spray purification assembly (5); The sealed tank assembly (2) comprises a tank body (200) fixedly installed on the base (1), the top of the tank body (200) is communicated with a feeding pipe (201), and the top of the feeding pipe (201) is threadedly connected with a sealing plug (202); The pressure relief touch control assembly (4) comprises a sealing pipe (400) communicated at the top of the tank body (200), the inside of the sealing pipe (400) is communicated with a pressure relief pipe (401), the inner bottom wall of the pressure relief pipe (401) is fixedly installed with a return spring (402), the top of the return spring (402) is fixedly installed with a piston (403), the inside of the pressure relief pipe (401) is fixedly installed with a piston ring (404), the top of the pressure relief pipe (401) is fixedly installed with a limiting rod (405), the top of the limiting rod (405) is fixedly installed with a baffle (406), the bottom of the baffle (406) is fixedly installed with a touch switch (407), the top of the sealing pipe (400) is communicated with an air outlet pipe (408), one end of the air outlet pipe (408) is communicated with an air pump (409), the air inlet of the air pump (409) is communicated with one end of the air outlet pipe (408), the other end of the air pump (409) is communicated with a gas conveying pipe (410); The spray purification assembly (5) comprises a shell (500) fixedly installed at the top of the tank body (200), the inside of the shell (500) is fixedly installed with a mesh plate (501), the top of the mesh plate (501) is fixedly installed with an adsorption plate (502), one end of the gas conveying pipe (410) penetrates through the top of the shell (500), the adsorption plate (502) and the mesh plate (501) in sequence and extends below the mesh plate (501), one side of the top of the shell (500) is fixedly installed with a water pump (503), the water outlet of the water pump (503) is communicated with a water outlet pipe (504), one end of the water outlet pipe (504) penetrates through the top of the shell (500) and extends into the inside of the shell (500), one end of the water outlet pipe (504) located in the inside of the shell (500) is communicated with a spray head (505), the surface of the spray head (505) is communicated with a spray nozzle (506), the water inlet of the water pump (503) is communicated with a circulating water inlet pipe (507), and one end of the circulating water inlet pipe (507) is communicated with one side of the shell (500).

2. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The bottom of the base (1) is provided with a support limiting component (6), the support limiting component (6) comprises support rods (600) fixedly installed at the four corners of the bottom of the base (1), the bottom of the support rod (600) is fixedly installed with a mounting plate (601), the mounting plate (601) is provided with a mounting hole, the mounting hole is an oblong hole, the lower surface of the mounting plate (601) is provided with an anti-skid pattern, and the two adjacent support rods (600) are fixedly connected through a pull rod (602).

3. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized in that: The communication assembly (3) further comprises a cleaning pipe (300) communicated with the bottom of the tank body (200), and the surface of the cleaning pipe (300) is communicated with a solenoid valve (301), and the top of the solenoid valve (301) is fixedly connected with the bottom of the tank body (200).

4. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The two sides of the tank body (200) are fixedly installed with lifting blocks (203), the upper surface of the lifting block (203) is provided with a groove, and the inner bottom wall of the groove is provided with a lifting hole.

5. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The communication assembly (3) further comprises a feeding pipe (302) communicated with one side of the tank body (200), the front surface of the tank body (200) is communicated with a discharging pipe (303), one end of the discharging pipe (303) and the feeding pipe (302) is communicated with a flange plate, the flange plate is provided with a flange hole, the front surface of the tank body (200) is provided with an observation hole, the inner wall of the observation hole is inlaid with a glass plate, and the surface of the glass plate is sealingly connected with the inner wall of the observation hole.

6. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The top of the sealing plug (202) is hexagonal, and the surface of the sealing plug (202) is provided with an anti-skid pattern.

7. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The piston (403) is T-shaped, the bottom of the piston (403) is attached to the top of the piston ring (404), the surface of the piston (403) is slidingly connected with the inner wall of the piston ring (404), the piston (403) is matched with the piston ring (404), the surface of the piston (403) is slidingly connected with the inner wall of the pressure relief pipe (401), and the piston (403) is matched with the pressure relief pipe (401).

8. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The adsorption plate (502) and the mesh plate (501) are provided with pipe holes for the gas conveying pipe (410) to pass through, and the inner wall of the pipe hole is sealingly connected with the surface of the gas conveying pipe (410), the bottom of the gas conveying pipe (410) is close to the inner bottom wall of the shell (500), one end of the circulating water inlet pipe (507) is located below the mesh plate (501), and the pipe opening end of the circulating water inlet pipe (507) is flush with the inner bottom wall of the shell (500).

9. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The back surface of the shell (500) is communicated with a liquid adding pipe (508), the surface of the liquid adding pipe (508) is communicated with a control valve (509), one end of the control valve (509) is communicated with one side of the back surface of the shell (500), the back surface of the shell (500) is communicated with a cleaning and discharging pipe (510) below the liquid adding pipe (508), and the surface of the cleaning and discharging pipe (510) is communicated with a valve (511).

10. The apparatus for producing iron oxide powder by cold rolling acid regeneration according to claim 1, characterized by: The top of the shell (500) is communicated with an exhaust pipe (512), the top of the exhaust pipe (512) is fixedly installed with an inverted conical protection pipe (513), and the touch switch (407) is electrically connected with the air pump (409) and the water pump (503) respectively.

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