Dosing and mixing tank

Abstract

A dosing and mixing tank, comprising a storage mechanism (100), a mixing mechanism (200) arranged on the storage mechanism (100), and a feeding mechanism (300) arranged on the mixing mechanism (200), wherein the storage mechanism (100) comprises a base (101) and a containment tank (102) arranged on the base (101); the mixing mechanism (200) comprises an electric motor (201) arranged on the containment tank (102) and a mixing assembly (202) arranged on the electric motor (201); and the feeding mechanism (300) comprises an air intake assembly (301) arranged at the bottom of the containment tank (102), and a recovery assembly (302) and a material guide assembly (303) which are arranged on the air intake assembly (301). The provision of the storage mechanism (100) facilitates better containment of chemical liquid, and the chemical liquid can be effectively mixed with the use of the mixing mechanism (200). By means of the provision of the feeding mechanism (300), chemical powder can be effectively injected into the chemical liquid together with air, and the chemical powder is added from bottom to top, facilitating the mixing of the chemical powder. Moreover, the provision of the mixing mechanism (200) helps to increase the area of contact between bubbles and the chemical liquid in the storage mechanism (100), improving the mixing effect.

Description

A dosing mixing box Technical Field

[0001] This invention relates to the technical field of drug mixing, and in particular to a drug mixing box. Background Technology

[0002] Chemical dosing systems in power plant water treatment are devices used to precisely add chemicals to the water system to ensure that the water quality meets the requirements for power plant operation. These devices are crucial for controlling corrosion, scaling, microbial growth, and other issues in the water system that may affect power plant efficiency and equipment lifespan. However, to prevent dissolved chemicals from precipitating or caking, they need to be continuously stirred and the appropriate amount of powder needs to be added.

[0003] During the operation, the powder and liquid need to be put into the container together for stirring. The powder, which is easily soluble in liquid, will clump together during mixing, which will affect the fusion efficiency. It is also difficult to deliver the powder to the bottom during stirring, resulting in poor contact between the material and the powder at the bottom of the tank. Therefore, we designed a dosing mixing tank. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problem that the powder agglomerates when added to the mixing tank in the above or existing technologies, which affects the dissolution effect of the powder, the present invention is proposed.

[0006] Therefore, the object of the present invention is to provide a dosing and mixing box.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a dosing mixing box, including a storage mechanism, a mixing mechanism disposed on the storage mechanism, and a feeding mechanism disposed on the mixing mechanism; the storage mechanism includes a base and a receiving box disposed on the base; the mixing mechanism includes a motor disposed on the receiving box and a mixing component disposed on the motor; the feeding mechanism includes an air intake component disposed at the bottom of the receiving box, and a recovery component and a guiding component disposed on the air intake component.

[0008] In a preferred embodiment of the dosing mixing box of the present invention, the mixing component includes an air inlet seat disposed at the bottom of the container, a rotating cylinder disposed on the air inlet seat, an exhaust frame and a stirring fan disposed on the rotating cylinder, a fixed mesh plate and a rotating mesh plate disposed between the exhaust frame and the stirring fan, and multiple guide frames disposed at the bottom of the fixed mesh plate and the rotating mesh plate.

[0009] In a preferred embodiment of the dosing and mixing box of the present invention, the top of the fixed mesh plate is in contact with the guide frame at the bottom of the rotating mesh plate, the cross-section of the guide frame is arc-shaped, and multiple guide frames are distributed in a ring array at the bottom of the corresponding mesh plate.

[0010] As a preferred embodiment of the dosing and mixing box of the present invention, the mixing assembly further includes a plurality of one-way air holes disposed on the top of the exhaust frame, a differential cover disposed at the edge of the exhaust frame, the outer wall of the differential cover being provided with deceleration fins, and a plurality of extrusion plates being fixedly connected to the inner wall of the differential cover.

[0011] In a preferred embodiment of the dosing and mixing box of the present invention, there are multiple extrusion plates, which are arranged in a ring array on the differential cover. The differential cover is rotatably connected to the exhaust frame, and the deceleration fins are arranged perpendicular to the outer wall of the differential cover.

[0012] In a preferred embodiment of the dosing and mixing box of the present invention, the air intake assembly includes a connecting pipe disposed at the bottom of the air intake seat, an air pump disposed at the end of the connecting pipe, and a filter box disposed at the air intake end of the air pump.

[0013] In a preferred embodiment of the dosing and mixing box of the present invention, the recovery component includes an inner lining mesh plate disposed on the air inlet seat, a column disposed between the material guiding component and the inner lining mesh plate, an extrusion hole provided in the column, an expansion hole provided on both sides of the extrusion hole, and an accumulation chamber for storing falling powder enclosed between the expansion hole and the inner wall of the connecting pipe.

[0014] In a preferred embodiment of the dosing and mixing box of the present invention, the material guiding assembly includes a feed box disposed on the connecting pipe, an anti-clogging mesh plate disposed inside the feed box, and a slit located at the bottom of the feed box on the connecting pipe, with conical grooves on both sides of the slit.

[0015] In a preferred embodiment of the dosing mixing box of the present invention, the material guiding assembly further includes a feeding chute disposed at the top of the connecting pipe, a mixing chamber at the bottom of the feeding chute, a discharge hole and a mounting hole at the bottom of the mixing chamber, a guide hole between the mixing chamber and the external air, a blocking plate slidably connected to the mounting hole, a guide arc strip at the bottom of the blocking plate, and a reset pull rope between the blocking plate and the mounting hole.

[0016] In a preferred embodiment of the dosing and mixing box of the present invention, the cross-section of the mounting hole is arc-shaped, the cross-section of the slit is circular, the tips of the two conical grooves are connected to the slit, and the guide hole is adapted to the feed chute.

[0017] The beneficial effects of the drug mixing box of the present invention are as follows: The storage mechanism facilitates better placement of the drug solution, and the mixing mechanism can effectively mix the drug solution. The feeding mechanism can effectively inject the drug powder and air into the drug solution together, and introduce the drug powder from bottom to top, which facilitates the mixing of the drug powder. At the same time, the mixing mechanism can increase the contact area between the air bubbles and the drug solution in the storage mechanism, thereby improving the mixing effect. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 is a schematic diagram of the overall dosing and mixing tank.

[0020] Figure 2 is a schematic diagram of the mixing mechanism of the dosing mixing box.

[0021] Figure 3 is an enlarged view of point A in Figure 2.

[0022] Figure 4 is a schematic diagram of the feeding mechanism and mixing mechanism of the dosing and mixing tank.

[0023] Figure 5 is an enlarged view of section B in Figure 4.

[0024] Figure 6 is a cross-sectional view of the mixing mechanism of the dosing mixing tank.

[0025] Figure 7 is an enlarged view of point C in Figure 6.

[0026] Figure 8 is a schematic diagram of the blockage plate structure in the dosing and mixing tank. Detailed Implementation

[0027] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0030] Example 1, referring to Figures 1 to 6, is the first embodiment of the present invention. This embodiment provides a dosing mixing box, including a storage mechanism 100, a mixing mechanism 200 disposed on the storage mechanism 100, and a feeding mechanism 300 disposed on the mixing mechanism 200; the storage mechanism 100 includes a base 101 and a receiving box 102 disposed on the base 101.

[0031] Specifically, the storage mechanism 100 facilitates better containment of the liquid medicine, the mixing mechanism 200 facilitates better mixing of the liquid medicine inside the storage mechanism 100, the feeding mechanism 300 can effectively add the powder medicine and external air into the storage mechanism 100, and the base 101 can effectively support the container 102.

[0032] The mixing mechanism 200 includes a motor 201 mounted on the container 102 and a mixing component 202 mounted on the motor 201; the feeding mechanism 300 includes an air intake component 301 mounted on the bottom of the container 102, a recovery component 302 mounted on the air intake component 301, and a material guiding component 303 mounted on the air intake component 301.

[0033] Furthermore, the motor 201 facilitates better driving of the mixing component 202, the mixing component 202 can effectively mix the materials inside the container 102, the air intake component 301 can effectively introduce external air into the container 102, and the feeding mechanism 300 facilitates better introduction of external materials into the container 102, thus facilitating better processing of the liquid medicine.

[0034] In summary, the storage mechanism 100 facilitates better containment of the medicinal liquid, and in conjunction with the mixing mechanism 200, it can effectively mix the medicinal liquid.

[0035] Example 2, referring to Figures 2-8, is the second embodiment of the present invention. Unlike the previous embodiment, the mixing component 202 includes an air inlet seat 202a disposed at the bottom of the container 102, a rotating drum 202b disposed on the air inlet seat 202a, an exhaust frame 202c and a stirring fan 202d disposed on the rotating drum 202b, a fixed mesh plate 202e and a rotating mesh plate 202f disposed between the exhaust frame 202c and the stirring fan 202d, and multiple guide frames 202g disposed at the bottom of both the fixed mesh plate 202e and the rotating mesh plate 202f.

[0036] Specifically, the air inlet seat 202a is designed to ensure that air is introduced while rotating and connected to the rotating drum 202b. The rotating drum 202b is connected to the exhaust frame 202c. The cross-section of the exhaust frame 202c is circular. The exhaust frame 202c can effectively introduce external gas and powder into the container 102, which facilitates better mixing of materials. The stirring fan 202d is designed to better stir the air bubbles inside the container 102, so that they can be better mixed with the materials inside the container 102.

[0037] The top of the fixed mesh plate 202e is in contact with the guide frame 202g at the bottom of the rotating mesh plate 202f. The cross-section of the guide frame 202g is arc-shaped, and multiple guide frames 202g are arranged in a ring array at the bottom of the corresponding mesh plate. The mixing component 202 also includes multiple unidirectional air holes 202h disposed on the top of the exhaust frame 202c, and a differential cover 202i disposed at the edge of the exhaust frame 202c. The outer wall of the differential cover 202i is provided with reduction fins 202j, and multiple extrusion plates 202k are fixedly connected to the inner wall of the differential cover 202i. There are multiple extrusion plates 202k, which are arranged in a ring array on the differential cover 202i. The differential cover 202i is rotatably connected to the exhaust frame 202c, and the reduction fins 202j are arranged perpendicular to the outer wall of the differential cover 202i.

[0038] Specifically, when external air enters the container 102, it forms bubbles carrying medicinal powder due to the obstruction of the exhaust frame 202c. When the bubbles pass through the fixed mesh plate 202e and the rotating mesh plate 202f, they can be effectively crushed, thereby better mixing the medicinal powder with the liquid medicine inside the container 102. The fixed mesh plate 202e and the rotating mesh plate 202f can effectively separate the bubbles, making the diameter of the bubbles smaller. The one-way air hole 202h prevents the liquid medicine from flowing back. The guide frame 202g facilitates better squeezing of the bubbles by the mesh plate, thereby increasing the contact area between the bubbles and the liquid medicine and improving the fusion efficiency. When the exhaust frame 202c rotates, it drives the differential cover 202i to rotate.

[0039] The rest of the structure is the same as in Example 1.

[0040] In summary, the air intake seat 202a is designed to ensure that air is intake and rotatedly connected to the rotating drum 202b. The rotating drum 202b is connected to the exhaust frame 202c. The cross-section of the exhaust frame 202c is circular. The exhaust frame 202c can effectively guide external gas and powder into the container 102.

[0041] Example 3, referring to Figures 1-8, is the third embodiment of the present invention. Unlike the previous embodiment, the feeding mechanism 300 and the air intake assembly 301 include a connecting pipe 301a disposed at the bottom of the air intake seat 202a, an air pump 301b disposed at the end of the connecting pipe 301a, and a filter box 301c disposed at the air intake end of the air pump 301b. The recovery assembly 302 includes an inner lining mesh plate 302a disposed on the air intake seat 202a, and a column 302b disposed between the material guiding assembly 303 and the inner lining mesh plate 302a. The column 302b has a compression hole 302c, and enlarged holes 302d are provided on both sides of the compression hole 302c. A storage chamber 302e for storing falling powder is formed between the enlarged holes 302d and the inner wall of the connecting pipe 301a. The material guiding assembly 303 includes a feed box 303a disposed on the connecting pipe 301a, an anti-blocking mesh plate 303b disposed inside the feed box 303a, a slit 303c disposed at the bottom of the connecting pipe 301a at the feed box 303a, and a conical groove 303d disposed on both sides of the slit 303c.

[0042] Specifically, when the air in the air inlet 202a is not blown up, the powder inside will fall into the storage chamber to protect the powder and prevent it from falling onto the inner wall of the pipe and affecting the operation of the next operation. When the device is restarted, the air from the extrusion hole 302c can blow up the powder in the storage chamber again.

[0043] The feeding assembly 303 also includes a feeding chute 303e disposed at the top of the connecting pipe 301a. A mixing chamber 303f is located at the bottom of the feeding chute 303e. A discharge hole 303g and a mounting hole 303h are located at the bottom of the mixing chamber 303f. A guide hole 303i is provided between the mixing chamber 303f and the external air. A blocking piece 303j is slidably connected to the mounting hole 303h. A guide arc strip 303k is located at the bottom of the blocking piece 303j. A reset pull rope 303l is provided between the blocking piece 303j and the mounting hole 303h. The mounting hole 303h has an arc-shaped cross-section, the slit 303c has a circular cross-section, and the tips of the two conical grooves 303d are connected to the slit 303c. The guide hole 303i is adapted to the feeding chute 303e.

[0044] Preferably, when the mixture of powder and air enters the flared opening, the cross-section shrinks, causing a change in the relative position between the powder and air, thus achieving a mixing effect. When it passes the extrusion hole 302c, the cross-section increases, causing the relative position between the powder and air to change again, achieving the purpose of mixing the powder and air. This effectively mixes the powder in the air with the air. The reset pull rope 303l facilitates better resetting of the blockage plate 303j.

[0045] To obtain the best results, we tested the flow velocity inside the connecting pipe 301a and the distance between the column 302b and the conical groove 303d to observe the mixing efficiency of air and dust, the bubble generation rate and the mixing effect, and then selected the more preferred solution.

[0046] As shown in the table (the mixing effect is scored out of 100 based on a combination of time and finished product quality);

[0047] Based on the preferred conditions 4, 5 and 6 in the table above, the distance between the adjusting column 302b and the conical groove 303d is adjusted to 140mm, 155mm and 160mm respectively, resulting in the following table;

[0048] As shown in the table;

[0049] Table 1 (Adjust the distance between the column 302b and the conical groove 303d to 140mm)

[0050] Table 2 (Adjust the distance between the column 302b and the conical groove 303d to 155mm)

[0051] Table 3 (Adjust the distance between the column 302b and the conical groove 303d to 160mm)

[0052] Based on the above table, the desired mixing effect of "condition 5b" is the best, and it is the preferred solution of this technical solution.

[0053] The rest of the structure is the same as in Example 2.

[0054] When in use, a certain amount of powder is put into the feed box 303a. At this time, the air pump 301b is started. The air pump 301b drives the external gas through the filter box 301c, the connecting pipe 301a, the recovery component 302, and the mixing mechanism 200 into the container box 102.

[0055] When external gas passes through the conical groove 303d, the passing area continuously decreases, which increases the pressure and speed of the passing air until it enters the slit 303c, where it maintains a stable speed. When it passes through the slit 303c and enters the conical groove 303d on the other side, the passing area continuously increases, and the pressure is released.

[0056] During this process, the air passing through the slit 303c pushes the guide arc 303k to move in the direction of air flow, thereby pulling the reset rope 303l. At this time, the reset rope 303l accumulates elastic potential energy. When the guide arc 303k moves, it drives the blocking plate 303j to move. After the blocking plate 303j moves, it drives the discharge hole 303g to connect with the slit 303c. According to Bernoulli's principle, the air velocity at the slit 303c is too fast, and the surrounding air forms a relatively vacuum area, which allows other air in this area to fill the area, thereby introducing external air into the slit 303c through the guide hole 303i. At the same time, it drives the powder in the feed chute 303e to enter. When the air enters the guide hole 303i, it comes into contact with the powder, thereby mixing in the mixing chamber 303f and entering the slit 303c, and then being sprayed out from the conical groove 303d.

[0057] When the mixture of powder and air enters the flared opening, the relative position between the powder and air changes due to the reduction in cross-section. When it passes through the extrusion hole 302c, the cross-section becomes larger, causing the relative position between the powder and air to change again, thus achieving the purpose of mixing the powder and air. This effectively mixes the powder in the air with the air.

[0058] When the mixture of powder and air enters the container 102, the exhaust frame 202c forms bubbles carrying the powder. When the bubbles pass through the fixed mesh plate 202e and the rotating mesh plate 202f, the bubbles can be effectively crushed, thereby better mixing the powder with the liquid medicine inside the container 102.

[0059] When the device stops running, the elastic potential energy of the reset pull rope 303l is released, thereby driving the blocking piece 303j to reset, thus blocking the blocking piece 303j and preventing the feed box 303a from continuously feeding and blocking the slit 303c.

[0060] When the air in the air inlet 202a is not blown up, the powder inside will fall into the storage chamber. When the device is restarted, the air from the extrusion hole 302c can blow up the powder in the storage chamber again.

[0061] When external air enters the container 102, it forms bubbles carrying medicinal powder due to the obstruction of the exhaust frame 202c. When the bubbles pass through the fixed mesh plate 202e and the rotating mesh plate 202f, they can be effectively crushed, thereby better mixing the medicinal powder with the liquid medicine inside the container 102. The fixed mesh plate 202e and the rotating mesh plate 202f can effectively compress the bubbles, making the bubble diameter smaller. The guide frame 202g facilitates better compression of the bubbles by the mesh plate, thereby increasing the contact area between the bubbles and the liquid medicine and improving the fusion efficiency. When the exhaust frame 202c rotates, it drives the differential cover 202i to rotate. During the rotation of the differential cover 202i, due to the obstruction of the deceleration fins 202j, there is a speed difference between the differential cover 202i and the exhaust frame 202c. During operation, the extrusion plate 202k on the differential cover 202i can effectively compress the bubbles that have just been ejected from the one-way air hole 202h.

[0062] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0063] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0064] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A chemical dosing mixing tank characterized by: The utility model provides an improved mixing device, which comprises a storage mechanism (100), a mixing mechanism (200) arranged on the storage mechanism (100), and a feeding mechanism (300) arranged on the mixing mechanism (200). The storage mechanism (100) comprises a base (101) and a containing box (102) arranged on the base (101). The mixing mechanism (200) comprises a motor (201) arranged on the containing box (102) and a mixing assembly (202) arranged on the motor (201). The feeding mechanism (300) comprises an air inlet assembly (301) arranged at the bottom of the containing box (102), a recycling assembly (302), and a material guiding assembly (303) arranged on the air inlet assembly (301).

2. The chemical addition mixing tank of claim 1, wherein: The mixing assembly (202) comprises an air inlet seat (202a) arranged at the bottom of the containing box (102), a rotating drum (202b) arranged on the air inlet seat (202a), an air outlet frame (202c), and a stirring fan (202d) arranged on the rotating drum (202b), the rotating drum (202b) is located between the air outlet frame (202c) and the stirring fan (202d) and is provided with a fixed mesh plate (202e) and a rotating mesh plate (202f), the bottom of the fixed mesh plate (202e) and the rotating mesh plate (202f) is provided with a plurality of guide frames (202g).

3. The chemical addition mix tank of claim 2, wherein: The guide frames (202g) on the top of the fixed mesh plate (202e) and the bottom of the rotating mesh plate (202f) are in close contact, the cross section of the guide frame (202g) is arc-shaped, and a plurality of guide frames (202g) are arranged in a ring array at the bottom of the corresponding mesh plate.

4. The chemical addition mix tank of claim 3, wherein: The mixing assembly (202) further comprises a plurality of one-way air holes (202h) arranged at the top of the air outlet frame (202c), a differential cover (202i) arranged at the edge of the air outlet frame (202c), a plurality of extrusion plates (202k) fixedly connected to the inner wall of the differential cover (202i), and a plurality of deceleration fins (202j) arranged on the outer wall of the differential cover (202i).

5. The chemical addition mix tank of claim 4, wherein: The number of the extrusion plates (202k) is multiple, a plurality of extrusion plates (202k) are arranged in a ring array on the differential cover (202i), the differential cover (202i) is rotationally connected to the air outlet frame (202c), and the deceleration fins (202j) are arranged perpendicularly on the outer wall of the differential cover (202i).

6. The chemical addition mix tank of claim 5, wherein: The air inlet assembly (301) comprises a connecting pipe (301a) arranged at the bottom of the air inlet seat (202a), a gas guide pump (301b) arranged at the end of the connecting pipe (301a), and a filter box (301c) arranged at the air inlet end of the gas guide pump (301b).

7. The chemical addition mix tank of claim 6, wherein: The recycling assembly (302) comprises an inner lining mesh plate (302a) arranged on the air inlet seat (202a), a cylinder (302b) arranged between the material guiding assembly (303) and the inner lining mesh plate (302a), the cylinder (302b) is provided with an extrusion hole (302c) therein, both sides of the extrusion hole (302c) are provided with an expansion hole (302d), and the expansion hole (302d) and the inner wall of the connecting pipe (301a) surround an accumulation chamber (302e) for storing falling powder.

8. The chemical addition mix tank of claim 7, wherein: The material guiding assembly (303) comprises a feeding box (303a) arranged on the connecting pipe (301a), a blocking mesh plate (303b) arranged inside the feeding box (303a), and a slit (303c) arranged at the bottom of the connecting pipe (301a) in the feeding box (303a), both sides of the slit (303c) are provided with a tapered groove (303d).

9. The chemical addition mix tank of claim 8, wherein: The material guiding assembly (303) further comprises a feeding chute (303e) arranged at the top of the connecting pipe (301a), the feeding chute (303e) is provided with a mixing cavity (303f) at the bottom, the mixing cavity (303f) is provided with a discharge hole (303g) and a mounting hole (303h) at the bottom, a guide hole (303i) is arranged between the mixing cavity (303f) and the external air, the mounting hole (303h) is slidably connected with a blocking piece (303j), the bottom of the blocking piece (303j) is provided with a guide arc strip (303k), and a reset pull rope (303l) is arranged between the blocking piece (303j) and the mounting hole (303h).

10. The chemical addition mix tank of claim 9, wherein: The mounting hole (303h) is arc-shaped in cross section, the slit (303c) is circular in cross section, the tips of the two tapered grooves (303d) are connected with the slit (303c), and the guide hole (303i) is matched with the feeding chute (303e).

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