Detection and sampling equipment for acid solution

Abstract

The invention discloses detection and sampling equipment for an acid solution, and relates to the technical field of acid solution sampling, the detection and sampling equipment comprises a sampling tube, the sampling tube is used for collecting and sampling the acid solution, a fixed tube is fixedly mounted in the middle of the top of the sampling tube, and a liquid discharge tube is arranged in the middle of the bottom of the sampling tube; the rotary suction assembly is used for stirring and sucking an acid solution, and a motor is fixedly mounted at the bottom of the rotary suction assembly. According to the detection and sampling equipment for the acid solution, the sampling pipe is arranged to be of a double-layer structure, the sampling pipe is thrown into the solution tank so that the acid solution can be poured into the top cover along the round hole, the bent cover is arranged on the outer side of the round hole so that the acid solution can be guided and conveyed, and the output end of the motor drives the rotating rod to rotate in the top cover; the stirring swing frame and the stirring piece are driven to stir the acid solution in the top cover, so that the acid solution is stirred to form a flowing vortex in the top cover, the flowability of the acid solution during sampling is improved, and the absorption efficiency of the acid solution is accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of acid solution sampling, in particular to a detection sampling device for an acid solution. Background Art

[0002] An acidic solution is a solution in which the concentration of hydrogen ions is greater than the concentration of hydroxide ions. Such solutions are acidic. Acidic solutions can turn blue litmus paper red. Acidic solutions include sulfuric acid, hydrochloric acid, nitric acid, acetic acid (acetic acid), carbonic acid, and certain salts such as ammonium chloride and silver nitrate. Acidic solutions can be aqueous solutions of acids, or acid salt solutions of certain strong acids or aqueous solutions of strong acid and weak base salts.

[0003] At present, the stored solution needs to be sampled and analyzed in the industrial production process to determine its quality. When sampling, the sampling device is inserted into the solution. Acid is an important organic acid, colorless crystal, containing one molecule of crystal water, odorless, with a strong sour taste, easily soluble in water, and widely used in industry, food, and cosmetics. Acidic solutions are corrosive to a certain extent, which can easily cause skin allergies and pose a risk of personal injury. Therefore, it is not appropriate to use traditional methods for sampling, and the existing sampling equipment cannot recycle the solution that has been taken out but not used for testing. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an acid solution detection sampling device, comprising a sampling tube, the sampling tube is used for collecting and sampling the acid solution, a fixed tube is fixedly installed in the middle of the top of the sampling tube, and a drainage tube is opened in the middle of the bottom of the sampling tube;

[0005] A transfer and suction assembly, which is used for stirring and sucking the acidic solution, and a motor is fixedly installed at the bottom of the transfer and suction assembly;

[0006] A filter assembly, which is used to filter impurities in an acidic solution;

[0007] The sampling tube is configured as a double-cavity structure, the transfer and suction assembly is fixedly installed above the sampling tube cavity through a motor, and the transfer and suction assembly and the fixed tube are arranged on the same central axis, the filter assembly is fixedly installed below the sampling tube cavity, and the filter assembly is arranged opposite to the drainage pipe; the staff connects the fixed tube with the rope to fix the sampling tube, the staff starts the motor so that the output end of the motor drives the transfer and suction assembly in the sampling tube, and then the staff throws the rope to put the sampling tube into the solution tank, at this time, the acidic solution in the solution tank is poured into the top cover and the liquid accumulation cover along the circular holes opened on both sides of the sampling tube, the transfer and suction assembly rotates in the top cover so that the acidic solution is stirred and then gathered at the axis of the transfer and suction assembly to stir the acidic liquid to improve the fluidity of the acidic solution during sampling, and then the acidic solution flows along the circular hole to the liquid accumulation cover and is filtered by the filter assembly and then diverted to the liquid accumulation cover, and then the filtered acidic solution is discharged from the drainage pipe to the sampling tube.

[0008] Wherein, the sampling tube includes a top cover, a fixed plate is fixedly installed at the bottom of the top cover, a circular hole is opened on the surface of the fixed plate, and two circular holes are provided. A curved cover is fixedly installed on the outer surface of the two circular holes, and the curved cover is arranged on the inner wall of the cavity of the top cover.

[0009] Preferably, a connecting ring is fixedly installed at the bottom of the fixed plate, the connecting ring is sleeved on the top of the outer surface of the filter assembly, a bottom of the connecting ring is fixedly installed with a bottom plate, a liquid collection cover is fixedly installed at the bottom of the bottom plate, and the middle of the bottom of the liquid collection cover is fixedly connected to the drainage pipe. The sampling tube is set as a double-layer structure, and the sampling tube is thrown into the solution tank so that the acidic solution is poured into the top cover along the circular hole. A curved cover is set on the outside of the circular hole to guide and transport the acidic solution.

[0010] Preferably, the rotation and suction assembly includes a shaft ring, the shaft ring is fixedly connected to the output end of the motor, a rotating rod is rotatably installed at the axis of the shaft ring, stirring racks are symmetrically arranged on both sides of the outer surface of the rotating rod, a connecting rod is fixedly installed inside the stirring rack, and a stirring piece is fixedly installed on the lower surface of the connecting rod. The output end of the motor drives the rotating rod to rotate in the top cover, and drives the stirring rack and the stirring piece to stir the acidic solution in the top cover, so that the acidic solution is stirred to form a flow vortex in the top cover, so as to improve the fluidity of the acidic solution during sampling and accelerate the absorption efficiency of the acidic solution.

[0011] Preferably, the stirring frame includes a bent plate, bent pieces are fixedly mounted on both sides of the outer surface of the bent plate, paddles are fixedly mounted on the outer surfaces of the bent pieces, and a clamping shaft is fixedly mounted on the top of the bent pieces. The stirring frame is driven to rotate when the rotating rod rotates, and the bent piece and the paddle are made of flexible material. When rotating in the top cover, they are deformed by the resistance generated by the rotation of the acidic solution to stir the acidic solution. The space between the bent piece and the paddle is set to be hollow to reduce the resistance generated when the acidic solution is stirred.

[0012] Preferably, the clamping shaft is rotatably mounted on the outer surface of the rotating rod, and the lower surface of the bent plate is fixedly connected to the connecting rod.

[0013] Preferably, the agitator includes a clamping rod, which is fixedly mounted on the lower surface of the connecting rod, a connecting plate is fixedly mounted on the bottom of the clamping rod, a bending shaft is sleeved on the outer surface of the clamping rod, and a limiting plate is fixedly mounted on the surface of the bending shaft close to the bending plate.

[0014] Preferably, an arc plate is passed through between the bending shaft and the limit plate, and swing blocks are rotatably mounted on both sides of the outer surface of the arc plate, and brackets are fixedly mounted on both sides of the outer surface of the connecting plate. When the swing rack rotates, the stirring member is driven to swing in the top cover along with the rotating rod, so that the swing block rotates on the surface of the arc plate to stir the acidic solution so that the acidic solution is evenly mixed when sampling.

[0015] Preferably, the filter assembly includes a snap ring, the snap ring is fixedly installed inside the connecting ring, a filter tube is fixedly installed on the lower surface of the snap ring, and a diverter plate is fixedly installed on the outer surface of the filter tube. The acidic solution flows into the filter assembly along the circular hole, and at this time, the acidic solution flows into the filter tube along the snap ring. A leakage hole is opened on the surface of the filter tube to filter the acidic solution out of the filter tube, and the flocculent precipitate in the acidic solution is precipitated on the surface of the block and separated from the acidic solution to reduce the flocculent precipitate in the acidic solution.

[0016] Preferably, a blocking block is fixedly installed at the bottom of the diverter plate, and an oblique support rod is fixedly installed at the top of the diverter plate, and the oblique support rod is distributed in a circular shape on the outer surface of the filter tube.

[0017] Preferably, the diverter plate includes a receiving plate, a fitting plate is fixedly installed at the bottom of the receiving plate, the fitting plate is fixedly connected to the inner wall of the liquid effusion cover, the receiving plate is fixedly installed at the bottom of the filter tube, the surface of the receiving plate is provided with fan-shaped holes, the fan-shaped holes are distributed in a circular shape on the surface of the receiving plate, and arc grooves are provided between the fan-shaped holes. The filtered acidic solution flows into the liquid effusion cover along the leakage holes provided on the surface of the filter tube, and is dispersed to the bottom of the liquid effusion cover along the limit plate, and then the staff takes out the sampling tube and opens the drain pipe to discharge the sampled acidic solution, so as to facilitate the recycling of the sampling equipment.

[0018] The present invention provides a detection and sampling device for acidic solution, which has the following beneficial effects:

[0019] 1. The detection sampling equipment of the acid solution is provided with a double-layer structure through a sampling tube. The sampling tube is thrown into the solution tank so that the acid solution is poured into the top cover along the round hole. A curved cover is provided on the outer side of the round hole to guide and transport the acid solution. The output end of the motor drives the rotating rod to rotate in the top cover, and drives the stirring frame and the stirring member to stir the acid solution in the top cover, so that the acid solution is stirred to form a flow vortex in the top cover, so as to improve the fluidity of the acid solution during sampling and accelerate the absorption efficiency of the acid solution.

[0020] 2. The acid solution detection sampling equipment drives the stirring frame to rotate when the rotating rod rotates. The bending piece and the paddle are made of flexible material. When rotating in the top cover, they are deformed by the resistance generated by the rotation of the acid solution to stir the acid solution. The bending piece and the paddle are set to be hollow to reduce the resistance generated when the acid solution is stirred.

[0021] 3. The acid solution detection sampling equipment drives the stirring member to swing along with the rotating rod in the top cover when the stirring frame rotates, so that the swing block rotates on the surface of the arc plate to stir the acid solution so that the acid solution is evenly mixed when sampling.

[0022] 4. The detection sampling equipment of the acidic solution allows the acidic solution to flow into the filter assembly through the circular hole. At this time, the acidic solution flows into the filter tube along the clamping ring. A leakage hole is opened on the surface of the filter tube to filter the acidic solution out of the filter tube. The flocculent precipitate in the acidic solution is precipitated on the surface of the block and separated from the acidic solution to reduce the flocculent precipitate in the acidic solution.

[0023] 5. The acid solution detection sampling equipment allows the filtered acid solution to flow into the liquid collection cover along the leakage holes on the surface of the filter tube, and disperse to the bottom of the liquid collection cover along the limit plate. Then the staff takes out the sampling tube and opens the drain pipe to discharge the sampled acid solution for the recycling of the sampling equipment.

[0024] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the external structure of an acid solution detection and sampling device of the present invention;

[0026] Figure 2 This is a schematic diagram of the cross-sectional structure of the sampling tube of the present invention;

[0027] Figure 3 It is a schematic diagram of the internal structure of the top cover cross section of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the transfer and suction assembly of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the stirring member of the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the stirring frame of the present invention;

[0031] Figure 7 It is a schematic diagram of the enlarged structure of the stirring frame of the present invention;

[0032] Figure 8 It is a schematic diagram of the internal cross-sectional structure of the liquid collection cover of the present invention;

[0033] Fig. 9 This is a schematic diagram of the structure of the filter assembly of the present invention;

[0034] Fig.10 This is a schematic diagram of the structure of the diverter plate of the present invention.

[0035] Explanation of reference numerals: 1. fixed tube; 2. sampling tube; 21. top cover; 22. bent cover; 23. liquid accumulation cover; 24. connecting ring; 25. round hole; 26. fixed plate; 27. bottom plate; 3. drain pipe; 4. transfer and suction assembly; 41. shaft ring; 42. stirring member; 421. arc plate; 422. limit plate; 423. connecting plate; 424. bracket; 425. bent shaft; 426. clamp rod ; 427, pendulum block; 43, connecting rod; 44, rotating rod; 45, stirring frame; 451, paddle; 452, bending piece; 453, bent plate; 454, clamping shaft; 5, filter assembly; 51, snap ring; 52, diverter plate; 521, arc groove; 522, fan-shaped hole; 523, receiving plate; 524, fitting plate; 53, diagonal support rod; 54, blocking block; 55, filter tube; 6, motor. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0037] The first embodiment, as Figures 1 to 3As shown, the present invention provides a technical solution: an acid solution detection sampling device, comprising a sampling tube 2, the sampling tube 2 is used for collecting and sampling the acid solution, a fixed tube 1 is fixedly installed in the middle of the top of the sampling tube 2, and a drainage tube 3 is opened in the middle of the bottom of the sampling tube 2;

[0038] A transfer and suction assembly 4, which is used for stirring and sucking the acidic solution, and a motor 6 is fixedly installed at the bottom of the transfer and suction assembly 4;

[0039] A filter assembly 5, which is used to filter impurities in the acidic solution;

[0040] The sampling tube 2 is set as a double-cavity structure, the transfer and suction component 4 is fixedly installed above the cavity of the sampling tube 2 through the motor 6, and the transfer and suction component 4 and the fixed tube 1 are set on the same central axis, and the filter component 5 is fixedly installed below the cavity of the sampling tube 2, and the filter component 5 is arranged opposite to the drainage tube 3; the staff connects the fixed tube 1 with the rope to fix the sampling tube 2, the staff starts the motor 6 so that the output end of the motor 6 drives the transfer and suction component 4 in the sampling tube 2, and then the staff throws the rope to put the sampling tube 2 into the solution In the liquid tank, the acidic solution in the solution tank is poured into the top cover 21 and the liquid collection cover 23 along the circular holes 25 opened on both sides of the sampling tube 2, and the transfer and suction component 4 rotates in the top cover 21 so that the acidic solution is stirred and then gathered at the axis of the transfer and suction component 4, so as to stir the acidic liquid and improve the fluidity of the acidic solution during sampling. The acidic solution flows into the liquid collection cover 23 along the circular holes 25 and is filtered by the filter component 5 and then diverted to the liquid collection cover 23, and then the filtered acidic solution is discharged from the sampling tube 2 from the drain pipe 3.

[0041] The sampling tube 2 includes a top cover 21 , a fixing plate 26 is fixedly installed at the bottom of the top cover 21 , a circular hole 25 is opened on the surface of the fixing plate 26 , two circular holes 25 are provided, and a curved cover 22 is fixedly installed on the outer surface of the two circular holes 25 , and the curved cover 22 is arranged on the inner wall of the cavity of the top cover 21 .

[0042] A connecting ring 24 is fixedly installed at the bottom of the fixed plate 26, and the connecting ring 24 is sleeved on the top of the outer surface of the filter assembly 5. A bottom plate 27 is fixedly installed at the bottom of the connecting ring 24, and a liquid collection cover 23 is fixedly installed at the bottom of the bottom plate 27. The middle of the bottom of the liquid collection cover 23 is fixedly connected to the drain pipe 3. The sampling tube 2 is set as a double-layer structure. The sampling tube 2 is thrown into the solution tank so that the acidic solution is poured into the top cover 21 along the circular hole 25. A curved cover 22 is set on the outside of the circular hole 25 to guide and transport the acidic solution.

[0043] The second embodiment is based on the first embodiment. Figures 4 to 7As shown, the transfer and suction assembly 4 includes a shaft ring 41, which is fixedly connected to the output end of the motor 6, a rotating rod 44 is rotatably installed at the axis of the shaft ring 41, and stirring frames 45 are symmetrically arranged on both sides of the outer surface of the rotating rod 44, a connecting rod 43 is fixedly installed inside the stirring frame 45, and a stirring member 42 is fixedly installed on the lower surface of the connecting rod 43. The output end of the motor 6 drives the rotating rod 44 to rotate in the top cover 21, and drives the stirring frame 45 and the stirring member 42 to stir the acidic solution in the top cover 21, so that the acidic solution is stirred to form a flow vortex in the top cover 21, so as to improve the fluidity of the acidic solution when sampling, and accelerate the absorption efficiency of the acidic solution.

[0044] The stirring frame 45 includes a bent plate 453, and bent pieces 452 are fixedly installed on both sides of the outer surface of the bent plate 453. The outer surfaces of the bent pieces 452 are fixedly installed with paddles 451, and the top of the bent pieces 452 is fixedly installed with a clamping shaft 454. When the rotating rod 44 rotates, the stirring frame 45 is driven to rotate. The bent pieces 452 and the paddles 451 are made of flexible materials. When rotating in the top cover 21, they are deformed by the resistance generated by the rotation of the acidic solution to stir the acidic solution. The space between the bent pieces 452 and the paddles 451 is set to be hollow to reduce the resistance generated when the acidic solution is stirred.

[0045] The clamping shaft 454 is rotatably mounted on the outer surface of the rotating rod 44 , and the lower surface of the bent plate 453 is fixedly connected to the connecting rod 43 .

[0046] The agitator 42 includes a clamping rod 426, which is fixedly mounted on the lower surface of the connecting rod 43. A connecting plate 423 is fixedly mounted on the bottom of the clamping rod 426. A bending shaft 425 is sleeved on the outer surface of the clamping rod 426. A limiting plate 422 is fixedly mounted on the surface of the bending shaft 425 close to the bending plate 453.

[0047] An arc plate 421 is passed through between the bending shaft 425 and the limiting plate 422. Swing blocks 427 are rotatably mounted on both sides of the outer surface of the arc plate 421, and brackets 424 are fixedly mounted on both sides of the outer surface of the connecting plate 423. When the swing rack 45 rotates, the stirring member 42 is driven to swing in the top cover 21 along with the rotating rod 44, so that the swing block 427 rotates on the surface of the arc plate 421, so as to stir the acid solution so that the acid solution is evenly mixed when sampling.

[0048] The third embodiment is based on the first and second embodiments. Figures 8 to 10As shown, the filter assembly 5 includes a clamping ring 51, which is fixedly mounted inside the connecting ring 24, a filter tube 55 is fixedly mounted on the lower surface of the clamping ring 51, and a diverter plate 52 is fixedly mounted on the outer surface of the filter tube 55. The acidic solution flows into the filter assembly 5 along the circular hole 25, and at this time, the acidic solution flows into the filter tube 55 along the clamping ring 51. The surface of the filter tube 55 is provided with a leakage hole to filter the acidic solution out of the filter tube 55, and the flocculent precipitate in the acidic solution is precipitated on the surface of the block 54 and separated from the acidic solution to reduce the flocculent precipitate in the acidic solution.

[0049] A blocking block 54 is fixedly installed at the bottom of the diverter plate 52 , and an oblique support rod 53 is fixedly installed at the top of the diverter plate 52 . The oblique support rod 53 is distributed in a circular shape on the outer surface of the filter tube 55 .

[0050] The diverter plate 52 includes a receiving plate 523, a fitting plate 524 is fixedly installed at the bottom of the receiving plate 523, the fitting plate 524 is fixedly connected to the inner wall of the liquid accumulating cover 23, the receiving plate 523 is fixedly installed at the bottom of the filter tube 55, the surface of the receiving plate 523 is provided with fan-shaped holes 522, the fan-shaped holes 522 are distributed in a circular shape on the surface of the receiving plate 523, and arc grooves 521 are provided between the fan-shaped holes 522. The filtered acidic solution flows into the liquid accumulating cover 23 along the leakage holes opened on the surface of the filter tube 55, and is dispersed to the bottom of the liquid accumulating cover 23 along the fan-shaped holes 522, and then the staff takes out the sampling tube 2 and opens the drain pipe 3 to discharge the sampled acidic solution, so as to facilitate the recycling of the sampling equipment.

[0051] The staff connects the fixed tube 1 with the rope to fix the sampling tube 2. The staff starts the motor 6 so that the output end of the motor 6 drives the transfer and suction component 4 in the sampling tube 2. Then the staff throws the rope to drop the sampling tube 2 into the solution tank. At this time, the acidic solution in the solution tank is poured into the top cover 21 and the liquid collection cover 23 along the circular holes 25 opened on both sides of the sampling tube 2. The transfer and suction component 4 rotates in the top cover 21 so that the acidic solution is stirred and then gathered at the axis of the transfer and suction component 4 to stir the acidic liquid to improve the fluidity of the acidic solution during sampling. Then the acidic solution flows into the liquid collection cover 23 along the circular hole 25 and is filtered by the filter component 5 and then diverted to the liquid collection cover 23. Then the filtered acidic solution is discharged from the sampling tube 2 from the drainage pipe 3.

[0052] The output end of the motor 6 drives the rotating rod 44 to rotate in the top cover 21, and drives the stirring frame 45 and the stirring member 42 to stir the acidic solution in the top cover 21, so that the acidic solution is stirred to form a flow vortex in the top cover 21, so as to improve the fluidity of the acidic solution during sampling and accelerate the absorption efficiency of the acidic solution.

[0053] When the rotating rod 44 rotates, it drives the stirring frame 45 to rotate. The bending piece 452 and the paddle 451 are made of flexible material. When they rotate in the top cover 21, they are deformed by the resistance generated by the rotation of the acidic solution to stir the acidic solution. The bending piece 452 and the paddle 451 are set to be hollow to reduce the resistance generated when the acidic solution is stirred.

[0054] When the stirring frame 45 rotates, the stirring member 42 is driven to swing along with the rotating rod 44 in the top cover 21, so that the swing block 427 rotates on the surface of the arc plate 421 to stir the acid solution so that the acid solution is mixed evenly during sampling.

[0055] The acidic solution flows into the filter assembly 5 along the circular hole 25, and at this time, the acidic solution flows into the filter tube 55 along the clamping ring 51. The surface of the filter tube 55 is provided with a leakage hole to filter the acidic solution from the filter tube 55. The flocculent precipitate in the acidic solution is precipitated on the surface of the block 54 and separated from the acidic solution to reduce the flocculent precipitate in the acidic solution.

[0056] The filtered acidic solution flows into the liquid collection cover 23 along the leakage holes opened on the surface of the filter tube 55, and disperses to the bottom of the liquid collection cover 23 along the fan-shaped holes 522. Then the staff takes out the sampling tube 2 and opens the drain pipe 3 to discharge the sampled acidic solution for recycling of the sampling equipment.

[0057] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A detection sampling device for an acidic solution, characterized in that: include: A sampling tube (2) is used for collecting and sampling an acidic solution, wherein a fixing tube (1) is fixedly installed in the middle of the top of the sampling tube (2), and a drainage tube (3) is opened in the middle of the bottom of the sampling tube (2); A transfer and suction assembly (4), the transfer and suction assembly (4) is used for stirring and sucking the acidic solution, and a motor (6) is fixedly mounted on the bottom of the transfer and suction assembly (4); A filter assembly (5), the filter assembly (5) is used to filter impurities in an acidic solution; The sampling tube (2) is configured as a double-cavity structure, the transfer and suction assembly (4) is fixedly mounted above the cavity of the sampling tube (2) via a motor (6), and the transfer and suction assembly (4) and the fixed tube (1) are arranged on the same central axis, the filter assembly (5) is fixedly mounted below the cavity of the sampling tube (2), and the filter assembly (5) is arranged opposite to the drainage pipe (3); The sampling tube (2) comprises a top cover (21), a fixed plate (26) is fixedly mounted on the bottom of the top cover (21), a circular hole (25) is opened on the surface of the fixed plate (26), two circular holes (25) are provided, and a curved cover (22) is fixedly mounted on the outer surface of the two circular holes (25), and the curved cover (22) is arranged on the inner wall of the cavity of the top cover (21).

2. The acid solution detection sampling device according to claim 1, characterized in that: A connecting ring (24) is fixedly mounted on the bottom of the fixed plate (26), and the connecting ring (24) is sleeved on the top of the outer surface of the filter assembly (5). A bottom plate (27) is fixedly mounted on the bottom of the connecting ring (24), and a liquid collection cover (23) is fixedly mounted on the bottom of the bottom plate (27). The middle of the bottom of the liquid collection cover (23) is fixedly connected to the drain pipe (3).

3. The acid solution detection sampling device according to claim 2, characterized in that: The transfer and suction assembly (4) comprises an axial ring (41), the axial ring (41) being fixedly connected to the output end of the motor (6), a rotating rod (44) being rotatably mounted at the axis of the axial ring (41), stirring frames (45) being symmetrically arranged on both sides of the outer surface of the rotating rod (44), a connecting rod (43) being fixedly mounted inside the stirring frame (45), and a stirring member (42) being fixedly mounted on the lower surface of the connecting rod (43).

4. The acid solution detection sampling device according to claim 3, characterized in that: The stirring frame (45) comprises a bent plate (453), and bent pieces (452) are fixedly mounted on both sides of the outer surface of the bent plate (453), and paddles (451) are fixedly mounted on the outer surfaces of the bent pieces (452), and a clamping shaft (454) is fixedly mounted on the top end of the bent pieces (452).

5. The acid solution detection sampling device according to claim 4, characterized in that: The clamping shaft (454) is rotatably mounted on the outer surface of the rotating rod (44), and the lower surface of the bent plate (453) is fixedly connected to the connecting rod (43).

6. The acid solution detection sampling device according to claim 5, characterized in that: The agitator (42) comprises a clamping rod (426), wherein the clamping rod (426) is fixedly mounted on the lower surface of the connecting rod (43), a connecting plate (423) is fixedly mounted on the bottom of the clamping rod (426), a bending shaft (425) is sleeved on the outer surface of the clamping rod (426), and a limiting plate (422) is fixedly mounted on the surface of the bending shaft (425) on the side close to the bending plate (453).

7. The acid solution detection sampling device according to claim 6, characterized in that: An arc plate (421) is passed through between the bending shaft (425) and the limiting plate (422), swing blocks (427) are rotatably mounted on both sides of the outer surface of the arc plate (421), and brackets (424) are fixedly mounted on both sides of the outer surface of the connecting plate (423).

8. The acid solution detection sampling device according to claim 7, characterized in that: The filter assembly (5) comprises a snap ring (51), the snap ring (51) being fixedly mounted inside the connecting ring (24), a filter tube (55) being fixedly mounted on the lower surface of the snap ring (51), and a diverter plate (52) being fixedly mounted on the outer surface of the filter tube (55).

9. The acid solution detection sampling device according to claim 8, characterized in that: A blocking block (54) is fixedly mounted on the bottom of the diverter plate (52), and an oblique support rod (53) is fixedly mounted on the top of the diverter plate (52). The oblique support rod (53) is distributed in a circular shape on the outer surface of the filter tube (55).

10. The acid solution detection sampling device according to claim 9, characterized in that: The diverter plate (52) comprises a receiving plate (523), a fitting plate (524) is fixedly mounted on the bottom of the receiving plate (523), the fitting plate (524) is fixedly connected to the inner wall of the liquid collection cover (23), the receiving plate (523) is fixedly mounted on the bottom of the filter tube (55), fan-shaped holes (522) are provided on the surface of the receiving plate (523), the fan-shaped holes (522) are distributed in a circular shape on the surface of the receiving plate (523), and arc grooves (521) are provided between the fan-shaped holes (522).

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