Waste acid liquid recovery reaction kettle

Abstract

The application belongs to the technical field of reaction kettles, and particularly relates to a waste acid liquid recovery reaction kettle. The following scheme is provided, which comprises a reaction kettle body and four supporting legs. The four supporting legs are fixedly connected to the outer wall of the bottom of the reaction kettle body in a rectangular shape. The bottom of each of the four supporting legs is fixedly connected to a same base. The bottom of the reaction kettle body is obliquely provided with a discharge pipe. The middle of the discharge pipe is provided with a second electromagnetic valve. The top of the base is fixedly connected to two parallel guide rails on one side. The top of each of the two guide rails is slidably connected to a sliding block. The top of each of the two sliding blocks is fixedly connected to a same sliding base. The application ensures that the second electromagnetic valve is only turned on when the receiving tank is below the discharge pipe nozzle, so that the discharged acid liquid can be received, and the acid liquid cannot flow to the outside world without being collected in time. After the clamping pin reaches the positioning groove, the power supply circuit of the second electromagnetic valve is automatically connected, without the need for an additional control step, and the operation process is simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reaction kettles, and particularly relates to a waste acid liquid recovery reaction kettle. BACKGROUND

[0002] In the process of waste acid recovery, the main processes of the recovery device include waste acid decomposition process, gas purification process, conversion dry absorption process, metal removal wastewater pretreatment process, waste heat recovery process and DCS system, and the reaction kettle can be used as a reaction container for the waste acid decomposition process.

[0003] According to the search, a waste acid liquid recovery reaction kettle is disclosed in a Chinese patent application with the application publication number CN210613676U. The waste acid liquid recovery reaction kettle can quickly stir the waste acid liquid through the cooperation of the supporting rod, the first horizontal plate, the motor base, the motor, the rotating rod, the first gear, the second gear, the bearing, the stirring rod and the rotating block. The waste acid liquid recovery reaction kettle can also heat the waste acid liquid through the heating pipe. The waste acid liquid recovery reaction kettle can quickly filter and discharge the gas generated after heating through the cooperation of the supporting block, the air inlet pipe, the box body, the sliding groove, the sliding block, the filter block, the cover plate and the exhaust pipe.

[0004] The above-mentioned patent has a simple structure of discharging and acid discharging, which cannot ensure stable cooperation with the material collecting container before starting to discharge the acid liquid, has safety hazards, and is inconvenient for discharging the acid liquid. Therefore, there is an urgent need to design a waste acid liquid recovery reaction kettle to solve the above-mentioned problems. SUMMARY

[0005] Based on the technical problem of the simple structure of discharging and acid discharging of the existing waste acid liquid recovery reaction kettle and the safety hazards, the present application provides a waste acid liquid recovery reaction kettle.

[0006] The utility model provides a kind of waste acid liquid recovery reaction kettle, including reactor body and four supporting legs, four The supporting legs are fixedly connected to the outer wall of the bottom of reactor body in rectangle, the bottom of four The supporting legs is fixedly connected with same base, the bottom of reactor body is obliquely provided with discharge pipe, the middle part of discharge pipe is provided with second electromagnetic valve, the top of base one side is fixedly connected with two parallelly arranged guide rails, the top of two The guide rails are all slidably connected with sliding block, the top of two The sliding block is fixedly connected with same sliding seat, the top of base is fixedly connected with push rod motor, one end of push rod motor is fixedly connected with sliding seat, the top of sliding seat near push rod motor side is fixedly connected with positioning piece, positioning piece is set to semicircle, the both ends of positioning piece are all hinged with clamping piece, two The clamping piece is all set to arc, and two clamping piece is symmetrically arranged, positioning piece and the inner wall of two The clamping piece hold same material receiving tank, the middle position of sliding seat bottom is fixedly connected with spring cylinder, the inner wall of spring cylinder top is fixedly connected with second spring, the bottom of second spring is fixedly connected with piston, the bottom of piston is fixedly connected with plug rod, the bottom of plug rod is fixedly connected with snap pin, The bottom of snap pin both sides is set to inclined plane, the top of base is provided with positioning slot, the inner wall of the both sides of positioning slot is adapted to the inclined plane of the both sides of the bottom of snap pin, the top of the both sides of positioning slot is fixedly connected with fixed sleeve, the side of two The fixed sleeve close to each other is fixedly connected with electric contact, two The electric contact respectively adhere to the both sides of snap pin, and the material of snap pin is conductive material.

[0007] Preferably, the middle part of the side of two The clamping piece away from each other is fixedly connected with pressing plate, the top of sliding seat is fixedly connected with two symmetrically distributed baffle, the pressing plate and baffle on the same side of the top of sliding seat are fixedly connected with same first spring.

[0008] Preferably, the end of two The clamping piece away from positioning piece is set to arc surface.

[0009] Preferably, the bottom of the end of two The clamping piece away from positioning piece is rotatably connected with rotating cylinder, the top of sliding seat is symmetrically provided with two sliding grooves, and two Rotating cylinder is rotatably connected in the inside of two Sliding groove.

[0010] Preferably, the top of the inner wall of the both sides of the material receiving tank is fixedly connected with lifting ring, the bottom of two The lifting ring is rotatably connected with suspender, the bottom of two The suspender is hung with same damping piece, and the middle part of damping piece is provided with evenly distributed through hole.

[0011] Preferably, the both sides of damping piece are provided with hanging groove, the inner wall of the middle part of two The hanging groove is fixedly connected with crossbeam, the both ends of two The suspender are fixedly connected with hanging ring, two The crossbeam is respectively inserted in the inside of two Hanging ring located below, and two The lifting ring is respectively clamped in the inside of two Hanging ring located above.

[0012] Preferably, the base is fixedly connected with a limiting block near the top of one side of the guide rail, the side of the limiting block close to the sliding seat is provided with a slope surface matched with the pin, the middle part of the slope surface of the limiting block is embedded with a permanent magnet, the middle part of the inclined surface of the pin close to the limiting block is embedded with an iron sheet, and the bottom of the pin is rotationally connected with a roller.

[0013] Preferably, the two guide rails are fixedly connected with the same fixed plate near one end of the push rod motor, and the middle position of the top of the fixed plate is fixedly connected with a limiting hoop clamped on the outer wall of the push rod motor.

[0014] Preferably, the outer wall of the reaction kettle body is fixedly connected with an outer shell, the outer walls on both sides of the outer shell are fixedly connected with handles, the outer wall of the outer shell is fixedly connected with a controller, and the outer shell and the reaction kettle body are filled with a heat insulation layer, the inner wall of the heat insulation layer is provided with equidistantly distributed heating grooves, and the inner part of each heating groove is fixedly connected with an electric resistance heater.

[0015] Preferably, the top of the reaction kettle body is clamped with a sealing cover, the middle part of the sealing cover is inserted with a feeding hopper, the middle passage of the feeding hopper is provided with a first electromagnetic valve, one side of the sealing cover is inserted with an air inlet, and the other side of the sealing cover is inserted with an air outlet.

[0016] Compared with the prior art, the present application provides a waste acid liquid recovery reaction kettle, which has the following beneficial effects:

[0017] 1. The waste acid liquid recovery reaction kettle is provided with a second electromagnetic valve, a sliding seat, a pin, a positioning groove, a second spring and conductive contacts, two conductive contacts are connected to two poles of a power supply circuit of the second electromagnetic valve, after the reaction is completed, the push rod motor is controlled to push forward until the pin reaches above the positioning groove, the receiving tank is synchronously positioned directly below the pipe opening of the discharge pipe, the second spring in the spring cylinder is reset, the pin is pushed into the positioning groove again through the inserting rod, at this time, the pin made of conductive material contacts the two conductive contacts at the same time, the power supply circuit of the second electromagnetic valve is connected, the discharge pipe is conducted and the treated acid liquid is discharged, this process ensures that the second electromagnetic valve is only conducted when the receiving tank is below the pipe opening of the discharge pipe, so that the discharged acid liquid can be received, and the acid liquid cannot flow to the outside without being collected in time, and after the pin reaches the positioning groove, the power supply circuit of the second electromagnetic valve is automatically connected, without the need for additional control steps, and the operation process is simple.

[0018] 2. The waste acid liquid recovery reaction kettle, through the first spring, the clamping piece, the positioning piece, two first springs are in compression state, push the clamping piece tightly and the outer wall of the material collecting jar, the material collecting jar is formed clamping, make the material collecting jar stable in the upper of the sliding seat, when installing the material collecting jar, push the material collecting jar to the two clamping pieces between, the end of the two clamping pieces close first is pressed by the bottom outer wall of the material collecting jar and is opened, the first spring is further compressed by the pressing plate and the baffle, when the material collecting jar is attached to the inner wall of the positioning piece, the first spring pushes the clamping piece and compresses the material collecting jar, the operation of removing the material collecting jar is contrary to the step of installing the material collecting jar, pull the material collecting jar to the direction away from the positioning piece, the two clamping pieces are first opened, the first spring is further compressed, after the material collecting jar is completely separated, the first spring pushes the clamping piece and resets again, so that the clamping process of the material collecting jar and the resetting process of the clamping piece are automatically completed in the moving process of the material collecting jar, without additional operation.

[0019] 3. The waste acid liquid recovery reaction kettle, by setting the damping piece, the suspender and the lifting ring, the damping piece is hung in the material collecting jar through the suspender and the lifting ring, in the process of the push rod motor driving the sliding seat moving, the damping piece shakes in the material collecting jar under the action of inertia, offsets part of kinetic energy in the moving process of the material collecting jar, prevents the acid liquid from spilling out of the material collecting jar after being jolted. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0021] Figure 2 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0022] Figure 3 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0023] Figure 4 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0024] Figure 5 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0025] Figure 6 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application; Figure 5 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0026] Figure 7 The structure diagram of the waste acid liquid recovery reaction kettle is provided for the present application;

[0027] Figure 8A shell and heat insulation layer structure diagram of a waste acid liquid recovery reaction kettle is provided in the present application.

[0028] Figure 9 A damping member structure diagram of a waste acid liquid recovery reaction kettle is provided in the present application.

[0029] In the figure: 1, reaction kettle body; 2, supporting leg; 3, base; 4, shell; 5, handle; 6, sealing cover; 7, feeding hopper; 8, first electromagnetic valve; 9, air inlet; 10, air outlet; 11, controller; 12, second electromagnetic valve; 13, discharging pipe; 14, push rod motor; 15, sliding seat; 16, guide rail; 17, limiting block; 18, material collecting tank; 19, lifting ring; 20, limiting hoop; 21, fixed plate; 22, positioning member; 23, clamping member; 24, first spring; 25, baffle; 26, sliding groove; 27, damping member; 28, permanent magnet; 29, pressing plate; 30, rotating drum; 31, sliding block; 32, spring cylinder; 33, insertion rod; 34, clamping pin; 35, iron sheet; 36, roller; 37, positioning groove; 38, fixed sleeve; 39, conductive contact; 40, second spring; 41, piston; 42, resistance heater; 43, heat insulation layer; 44, heating groove; 45, hanging ring; 46, through hole; 47, hanging groove; 48, cross beam; 49, suspending rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying 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 of the present application.

[0031] REFERENCE Figures 1-9The utility model provides a kind of waste acid liquid recovery reaction kettle, including reaction kettle body 1 and four support 2, four support 2 are fixedly connected to the outer wall of the bottom of reaction kettle body 1 in rectangle, the bottom of four support 2 is fixedly connected with same base 3, the bottom of reaction kettle body 1 is obliquely provided with discharge pipe 13, the middle part of discharge pipe 13 is provided with second electromagnetic valve 12, the top of one side of base 3 is fixedly connected with two parallelly arranged guide rails 16, the top of two guide rails 16 is slidably connected with sliding block 31, the top of two sliding blocks 31 is fixedly connected with same sliding seat 15, the top of base 3 is fixedly connected with push rod motor 14, one end of push rod motor 14 is fixedly connected with sliding seat 15, the top of the side close to push rod motor 14 of sliding seat 15 is fixedly connected with positioning piece 22, positioning piece 22 is set as semicircle, the both ends of positioning piece 22 are hingedly connected with clamping piece 23, two clamping pieces 23 are set as arc, and two clamping pieces 23 are symmetrically arranged, same material collecting tank 18 is clamped between the inner wall of positioning piece 22 and two clamping pieces 23, spring cylinder 32 is fixedly connected in the middle position of the bottom of sliding seat 15, the inner wall of the top of spring cylinder 32 is fixedly connected with second spring 40, the bottom of second spring 40 is fixedly connected with piston 41, the bottom of piston 41 is fixedly connected with plug rod 33, the bottom of plug rod 33 is fixedly connected with snap pin 34, the both sides of the bottom of snap pin 34 are set as inclined plane, positioning groove 37 is set in the top of base 3, the inner wall of the both sides of positioning groove 37 is adapted to the inclined plane of the both sides of the bottom of snap pin 34, the top of the both sides of positioning groove 37 is fixedly connected with fixed sleeve 38, the side close to of two fixed sleeves 38 is fixedly connected with electric contact 39, two electric contacts 39 respectively adhere to the both sides of snap pin 34, and the material of snap pin 34 is conductive material.

[0032] In the application, the middle part of the two clamping pieces 23 away from one side is fixedly connected with a pressing plate 29, the top of the sliding seat 15 is fixedly connected with two symmetrically distributed baffle plates 25, the pressing plate 29 and the baffle plate 25 located on the same side of the top of the sliding seat 15 are fixedly connected with the same first spring 24, the two first springs 24 are in a compressed state, the clamping piece 23 is pushed to tightly adhere to the outer wall of the material collecting tank 18, the material collecting tank 18 is clamped, the material collecting tank 18 is stably arranged above the sliding seat 15, when the material collecting tank 18 is installed, the material collecting tank 18 is pushed into the space between the two clamping pieces 23, the end of the two clamping pieces 23 away from each other is first pressed by the outer wall of the bottom of the material collecting tank 18 and is opened, the first spring 24 is further compressed by the pressing plate 29 and the baffle plate 25, when the material collecting tank 18 is combined with the inner wall of the positioning piece 22, the first spring 24 pushes the clamping piece 23 to tightly press the material collecting tank 18 through the pressing plate 29, the operation of removing the material collecting tank 18 is opposite to the steps of installing the material collecting tank 18, the material collecting tank 18 is pulled away from the positioning piece 22, the two clamping pieces 23 are first opened, the first spring 24 is further compressed, after the material collecting tank 18 is completely separated, the first spring 24 pushes the clamping piece 23 to be automatically reset again, so that the clamping process of the material collecting tank 18 and the resetting process of the clamping piece 23 are automatically completed in the moving process of the material collecting tank 18, and no additional operation is needed.

[0033] In the application, the end of the two clamping pieces 23 away from the positioning piece 22 is provided as an arc surface, the arc surface is provided to prevent the outer wall of the material collecting tank 18 from being scratched and reduce the wear between the material collecting tank 18 and the clamping piece 23.

[0034] In the application, the bottom of the end of the two clamping pieces 23 away from the positioning piece 22 is rotationally connected with a rotating cylinder 30, the top of the sliding seat 15 is symmetrically provided with two sliding grooves 26, the two rotating cylinders 30 are rotationally connected in the interiors of the two sliding grooves 26, in the rotating process of the clamping piece 23, the rotating cylinder 30 rotates along the inner wall of the sliding groove 26, the rotating track of the clamping piece 23 is limited, and the stability of the clamping piece 23 is further optimized.

[0035] In the application, the top of the inner wall of the two sides of the material collecting tank 18 is fixedly connected with a lifting ring 19, the bottom of the two lifting rings 19 is rotationally connected with a lifting rod 49, the bottom of the two lifting rods 49 is hung with the same damping piece 27, the middle part of the damping piece 27 is provided with uniformly distributed through holes 46, and the through holes 46 guarantee good passability of the acid liquid through the damping piece 27.

[0036] In the damping piece 27, two hanging grooves 47 are arranged on both sides of the damping piece 27, the inner walls of the middle portions of the two hanging grooves 47 are fixedly connected with two cross beams 48, the two ends of two hangers 49 are fixedly connected with two hanging rings 45, the two cross beams 48 are respectively inserted into the interiors of the two hanging rings 45 located below, and the two hangers 19 are respectively clamped into the interiors of the two hanging rings 45 located above. The damping piece 27 is hung in the interior of the material collecting tank 18 through the hangers 49 and the hangers 19. In the process that the sliding seat 15 is driven to move by the push rod motor 14, the damping piece 27 shakes in the interior of the material collecting tank 18 under the action of inertia, offsets part of kinetic energy in the moving process of the material collecting tank 18, and prevents the acid liquid from spilling out of the material collecting tank 18 after being jolted.

[0037] In the present application, the top of the base 3 near the guide rail 16 is fixedly connected with a limiting block 17, the side of the limiting block 17 near the sliding seat 15 is provided as a slope surface matched with the pin 34, the middle portion of the slope surface of the limiting block 17 is embedded with a permanent magnet 28, the middle portion of the inclined surface of the pin 34 near the limiting block 17 is embedded with an iron sheet 35, the bottom of the pin 34 is rotatably connected with a roller 36. When the material collecting tank 18 needs to be taken off from above the sliding seat 15, the push rod motor 14 can be controlled to further push the sliding seat 15 towards the limiting block 17, and after the pin 34 is separated from the positioning groove 37, the pin 34 moves along the top of the base 3 until the inclined surface of the pin 34 is attached to the slope surface of the limiting block 17. The limiting block 17 limits the stroke of the sliding seat 15, and after the pin 34 contacts the limiting block 17, the permanent magnet 28 adsorbs the iron sheet 35, further enhancing the stability of the limiting. The roller 36 converts the sliding friction on the bottom of the pin 34 into rolling friction, reducing the wear of the pin 34.

[0038] In the present application, the same fixed plate 21 is fixedly connected to the two guide rails 16 near the push rod motor 14, the middle position of the top of the fixed plate 21 is fixedly connected with a limiting hoop 20, and the limiting hoop 20 is clamped to the outer wall of the push rod motor 14. The push rod motor 14 is further reinforced by the limiting hoop 20 and the fixed plate 21.

[0039] In the present application, the outer wall of the reaction kettle body 1 is fixedly connected with an outer shell 4, the outer walls of the two sides of the outer shell 4 are fixedly connected with handles 5, the outer wall of the outer shell 4 is fixedly connected with a controller 11, a heat insulation layer 43 is filled between the outer shell 4 and the reaction kettle body 1, the inner wall of the heat insulation layer 43 is provided with equidistantly distributed heating grooves 44, the interiors of the heating grooves 44 are fixedly connected with resistance heaters 42, the resistance heaters 42 can provide a high-temperature environment for the reaction in the reaction kettle body 1, which is convenient for accelerating the reaction rate, the heat insulation layer 43 is used for heat preservation, the outer shell 4 plays a protective role, the device can be carried through the handles 5, and the controller 11 is connected to the electrical appliances in the device through a signal line, which is convenient for centralized control.

[0040] In the present application, the top of the reaction kettle body 1 is clamped with a sealing cover 6, the middle part of the sealing cover 6 is inserted with a feeding hopper 7, the middle passage of the feeding hopper 7 is provided with a first electromagnetic valve 8, one side of the sealing cover 6 is inserted with an air inlet 9, the other side of the sealing cover 6 is inserted with an air outlet 10, the sealing cover 6 is used to close the top space of the reaction kettle body 1, after the first electromagnetic valve 8 is controlled to be turned on, the feeding hopper 7, the acid liquid and the treatment agent enter the reaction kettle body 1, the air inlet 9 is connected with the airflow supply pipeline, the airflow is introduced into the inside of the reaction kettle body 1, the air outlet 10 is connected with the steam collection equipment, which is used to collect the steam taken away from the inside of the reaction kettle body 1 by the airflow.

[0041] In use, the two conductive contacts 39 are respectively connected to the two poles of the power supply circuit of the second electromagnetic valve 12, before the waste acid liquid and the treatment agent are added into the reaction kettle body 1, the push rod motor 14 is controlled to pull the sliding seat 15 backward, the sliding block 31 slides along the guide rail 16, the bottom slope of the clamping pin 34 slides against the inner wall of the positioning groove 37, the clamping pin 34 receives upward pressure in this process, further compresses the second spring 40 upward through the insertion rod 33 and the piston 41, until the clamping pin 34 is separated from the positioning groove 37 and moves along the top of the base 3, after the reaction is completed, the push rod motor 14 is controlled to be pushed forward until the clamping pin 34 reaches above the positioning groove 37, the receiving tank 18 is synchronized to reach directly below the pipe opening of the discharge pipe 13, the second spring 40 in the compressed state in the spring barrel 32 is reset, the clamping pin 34 is pushed into the positioning groove 37 again through the insertion rod 33, at this time, the clamping pin 34 made of conductive material contacts the two conductive contacts 39 at the same time, the power supply circuit of the second electromagnetic valve 12 is connected, the discharge pipe 13 is turned on and the treated acid liquid is discharged, this process ensures that the second electromagnetic valve 12 is turned on only when the receiving tank 18 is below the pipe opening of the discharge pipe 13, guarantees that the discharged acid liquid can be received, prevents the acid liquid from flowing to the outside without being collected in time, and after the clamping pin 34 reaches the positioning groove 37, the power supply circuit of the second electromagnetic valve 12 is automatically connected, without the need for additional control steps, the operation process is simple.

[0042] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A waste acid recovery reactor, comprising a reactor body (1) and four supports (2), wherein the four supports (2) are rectangularly fixedly connected to the outer wall of the bottom of the reactor body (1), characterized in that, The bottom of the four legs (2) is fixedly connected to the same base (3). The bottom of the reactor body (1) is inclinedly provided with a discharge pipe (13). A second solenoid valve (12) is provided in the middle of the discharge pipe (13). Two parallel guide rails (16) are fixedly connected to one side of the top of the base (3). A slider (31) is slidably connected to the top of the two guide rails (16). The top of the two sliders (31) is fixedly connected to the same sliding seat (15). A push rod motor (14) is fixedly connected to the top of the base (3). One end of the push rod motor (14) is fixedly connected to the sliding seat (15). A positioning element (22) is fixedly connected to the top of the sliding seat (15) on the side close to the push rod motor (14). The positioning element (22) is set as a semi-circle. Both ends of the positioning element (22) are hinged with clamping elements (23). Both clamping elements (23) are set as arcs and are symmetrically arranged. The positioning element (22) and The inner walls of the two clamping members (23) clamp the same receiving tank (18). A spring cylinder (32) is fixedly connected to the middle position of the bottom of the sliding seat (15). A second spring (40) is fixedly connected to the inner wall of the top of the spring cylinder (32). A piston (41) is fixedly connected to the bottom of the second spring (40). A rod (33) is fixedly connected to the bottom of the piston (41). A locking pin (34) is fixedly connected to the bottom of the rod (33). Both sides of the bottom of the locking pin (34) are set as inclined surfaces. A positioning groove (37) is opened on the top of the base (3). The inner walls on both sides of the positioning groove (37) are adapted to the inclined surfaces on both sides of the bottom of the locking pin (34). A fixing sleeve (38) is fixedly connected to the top of both sides of the positioning groove (37). A conductive contact (39) is fixedly connected to the side of the two fixing sleeves (38) that are close to each other. The two conductive contacts (39) are respectively attached to both sides of the locking pin (34). The material of the locking pin (34) is conductive material. The top of the inner walls on both sides of the receiving tank (18) is fixedly connected with a lifting ring (19), and the bottom of the two lifting rings (19) is rotatably connected with a lifting rod (49). The bottom of the two lifting rods (49) is hung with the same damping element (27). The damping element (27) has evenly distributed through holes (46) in the middle. The two sides of the damping element (27) are provided with hanging grooves (47). The inner walls of the middle of the two hanging grooves (47) are fixedly connected with a crossbeam (48). The two ends of the two lifting rods (49) are fixedly connected with a hanging ring (45). The two crossbeams (48) are respectively inserted into the two hanging rings (45) located below. The two lifting rings (19) are respectively snapped into the two hanging rings (45) located above.

2. The waste acid recovery reactor according to claim 1, characterized in that, Pressing plates (29) are fixedly connected to the middle of the two clamping members (23) on opposite sides. Two symmetrically distributed baffles (25) are fixedly connected to the top of the sliding seat (15). The same first spring (24) is fixedly connected between the pressing plate (29) and the baffle (25) on the same side of the top of the sliding seat (15).

3. The waste acid recovery reactor according to claim 2, characterized in that, Both clamping members (23) have an arc surface at the end away from the positioning member (22).

4. The waste acid recovery reactor according to claim 3, characterized in that, The bottom of each of the two clamping members (23) away from the positioning member (22) is rotatably connected to a rotating cylinder (30). The top of the sliding seat (15) has two symmetrically opened sliding grooves (26), and the two rotating cylinders (30) are rotatably connected to the inside of the two sliding grooves (26).

5. The waste acid recovery reactor according to claim 1, characterized in that, The top of the base (3) near the guide rail (16) is fixedly connected to a limiting block (17). The side of the limiting block (17) near the sliding seat (15) is set as a slope adapted to the locking pin (34). A permanent magnet (28) is embedded in the middle of the slope of the limiting block (17). An iron piece (35) is embedded in the middle of the inclined surface of the locking pin (34) near the limiting block (17). A roller (36) is rotatably connected to the bottom of the locking pin (34).

6. The waste acid recovery reactor according to claim 1, characterized in that, The two guide rails (16) are fixedly connected to the same fixing plate (21) at one end near the push rod motor (14). A limit clamp (20) is fixedly connected to the middle position of the top of the fixing plate (21), and the limit clamp (20) is clamped to the outer wall of the push rod motor (14).

7. The waste acid recovery reactor according to claim 1, characterized in that, The outer wall of the reactor body (1) is fixedly connected to a shell (4), and handles (5) are fixedly connected to the outer walls on both sides of the shell (4). A controller (11) is fixedly connected to the outer wall of the shell (4). A heat insulation layer (43) is filled between the shell (4) and the reactor body (1). Heating grooves (44) are evenly distributed on the inner wall of the heat insulation layer (43). A resistance heater (42) is fixedly connected inside the heating grooves (44).

8. The waste acid recovery reactor according to claim 1, characterized in that, The top of the reactor body (1) is fitted with a sealing cap (6), a feed hopper (7) is inserted into the middle of the sealing cap (6), a first solenoid valve (8) is provided in the middle channel of the feed hopper (7), an air inlet (9) is inserted into one side of the sealing cap (6), and an exhaust port (10) is inserted into the other side of the sealing cap (6).

Images