Automatic dosing device and method for circulating water

Abstract

The invention discloses an automatic dosing device and method for circulating water. The automatic dosing device comprises a box body, and an automatic quantitative dosing mechanism for quantitatively dosing into the box body is arranged at the top of the box body; and the automatic quantitative chemical adding mechanism comprises a round box fixed to the top of the box body, the top of the round box communicates with a hopper, a mounting cylinder is fixed to the top wall of the round box, a rotating cylinder is rotationally connected to the interior of the mounting cylinder, and a connecting column is fixed to the bottom of the rotating cylinder. According to the circulating water automatic dosing device and method, through the arrangement of the automatic quantitative dosing mechanism, automatic quantitative dosing of medicine powder is achieved, one-time quantitative medicine adding is completed by rotating a cam by a circle and pressing a sleeve once, medicine added every time is quantified, and therefore the concentration of medicine in water is well controlled; the phenomena of medicine waste and poor purification effect due to too little medicine are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of circulating water in power plants, and in particular to an automatic dosing device and method for circulating water. Background Art

[0002] The circulating water of a power plant is an indispensable cooling medium for maintaining the normal operation of the power plant. Cooling towers are often used to cool the power plant. The principle of a cooling tower is to introduce cold water into the cooling tower and circulate it continuously to cool the unit. The circulating water required for the operation of a power plant is generally drawn from rivers, lakes, and seas. However, there are too many impurities in the water. In order to adjust the water quality of the circulating water, water treatment agents need to be added to purify the water.

[0003] A Chinese patent application with publication number CN117964018A discloses an automatic dosing device for circulating water in a power plant. The patent application solves the problem that the drugs in the automatic dosing equipment for circulating water in a hydropower plant are mixed through a mixing tube, the uniformity of the mixing is low, the particles in the drugs are directly circulated with the water, the drugs are easily accumulated, resulting in blockage of the circulating water, which is not conducive to the smoothness of the circulating water circulation. However, the above patent cannot realize automatic quantitative dosing, and manual control of the ratio of circulating water and drugs is required. In this regard, we propose an automatic dosing device and method for circulating water to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a circulating water automatic dosing device and method, which solves the problems raised in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic dosing device for circulating water, comprising a box body, the top of which is provided with an automatic quantitative dosing mechanism for quantitatively dosing drugs into the box body;

[0006] The automatic quantitative dosing mechanism includes a round box fixed on the top of the box body, the top of the round box is connected to a hopper, the top wall of the round box is fixed with a mounting cylinder, the interior of the mounting cylinder is rotatably connected to a rotating cylinder, the bottom of the rotating cylinder is fixed with a connecting column, the bottom end of the connecting column extends to the outside of the mounting cylinder and is rotatably connected to the bottom wall of the round box, the outer surface of the connecting column is fixed with four rotating plates, the bottoms of the four rotating plates are rotatably connected to the bottom wall of the round box, the outer surface of the rotating cylinder is provided with a wave groove, the top of the round box is slidably connected with a sleeve, the bottom of the sleeve extends to the inside of the mounting cylinder, two limiting columns are fixed on both sides of the sleeve, the opposite ends of the two limiting columns slide in the wave grooves, a spring is arranged between the top wall of the sleeve and the inner wall of the rotating cylinder, the bottom of the round box and the top of the box are both penetrated with a medicine outlet, and the top of the round box is provided with a driving rotating component that drives the sleeve to press reciprocally.

[0007] Preferably, the driving rotating assembly includes two vertical plates fixed on the top of the round box, a rotating rod is rotatably connected between the opposite sides of the two vertical plates, a motor is fixed to one side of the vertical plates, the motor drives the rotating rod to rotate, a cam is fixed on the rotating rod, and the outer surface of the cam is in contact and extrusion with the top of the sleeve.

[0008] Preferably, an automatic screening component for screening out impurities and large particles in the drug powder is provided inside the box, and the automatic screening component includes a cross bar rotatably connected between the inner walls of the box, and a second motor is fixed to one side of the box, and the second motor drives the cross bar to rotate, and a rotating wheel is fixed on the cross bar.

[0009] Preferably, a triangular arc plate is fixed on the rotating wheel, a rotating shaft is rotatably connected to the top wall of the box body, a Y-shaped plate is fixed on the rotating shaft, a roller is mounted on one end of the Y-shaped plate, the roller is in contact and extruded with one side of the triangular arc plate, an arc-shaped rack is fixed on the triangular arc plate, a mounting seat is fixed on one side of the inner wall of the box body, a slide groove is provided on the top of the mounting seat, a slide seat is slidably connected inside the slide groove, a spring 2 is fixed between one side of the slide seat and the inner wall of the slide groove, a spur rack is fixed on one side of the slide seat, the spur rack meshes with the arc-shaped rack, a square frame is fixed on the slide seat, and a filter box is placed on the top of the square frame.

[0010] Preferably, a movable rotating stirring unit is provided inside the box, and the movable rotating stirring unit includes a screw rod rotatably connected between the inner walls of the box, a motor three is fixed to one side of the box, and the motor three drives the screw rod to rotate, a fixed rod is fixed between the inner walls of the box, and a movable bar is provided between the fixed rod and the screw rod.

[0011] Preferably, one end of the fixed rod and the screw rod both pass through the moving bar and extend to the outside of the moving bar, the outer surface of the screw rod is threadedly connected to the inner surface of the moving bar, the outer surface of the fixed rod is slidingly connected to the inner surface of the moving bar, the bottom of the moving bar is rotatably connected to two vertical rods, the outer surfaces of the two vertical rods are fixed with cross plates, the outer surfaces of the two vertical rods are fixed with gears, long racks are fixed on both sides of the inner wall of the box, and the gears are meshed with the long racks.

[0012] Preferably, the top of the box body is connected to a water inlet pipe, one side of the box body is connected to a drain pipe, a water pump is provided on the drain pipe, and a box door is provided on the top of the box body.

[0013] The present invention also discloses a circulating water automatic dosing method, which specifically comprises the following steps:

[0014] Step 1: Pour the drug powder into the hopper, and further the drug powder falls into the round box, start the motor 1, so that the motor 1 drives the cam to rotate and press the sleeve, and then the limit column on the sleeve slides in the wave groove, and then drives the rotating cylinder to rotate 90 degrees, and then drives the rotating plate to rotate, and then drives the drug between two adjacent rotating plates to rotate, so that the drug rotates to the drug outlet and falls into the box;

[0015] Step 2: Further drug powder falls into the filter box, and the motor 2 is started. The motor 2 drives the rotating wheel to rotate, and then the triangular arc plate is used to squeeze the roller, and the roller drives the triangular arc plate to swing, and then the triangular arc plate drives the slide seat, the square frame, and the filter box to move back and forth, and the impurities and large particles in the drug powder in the filter box are screened out by the back and forth shaking;

[0016] Step three, introduce external water into the box through the water inlet pipe, and then mix it with the drug powder, start motor three, so that motor three drives the screw rod to rotate, and then drives the moving bar to move to the right, and then during the movement, the long rack drives the gear to rotate, and then the gear drives the vertical rod and the cross plate to rotate, so that the cross plate moves back and forth left and right while rotating, so that the drug powder and water are evenly mixed, and the water pump can be started to extract the purified water.

[0017] Beneficial Effects

[0018] The present invention provides a circulating water automatic dosing device and method. Compared with the prior art, it has the following beneficial effects:

[0019] (1) The automatic quantitative dosing mechanism is used to realize the automatic quantitative addition of drug powder. The cam rotates one circle and presses the sleeve once, thus completing a quantitative drug addition. Each time the drug is added, the drug concentration in the water is well controlled, avoiding the waste of drugs and the phenomenon of poor purification effect due to too little drugs.

[0020] (2) Through the setting of the automatic screening component, after the drug falls into the filter box, it can automatically vibrate and screen, screen out impurities and large particles of drug in the drug powder and leave them in the filter box, so that the drug can be well integrated into the circulating water, ensuring the rapid dissolution of the drug and improving the cleanliness of the circulating water.

[0021] (3) By setting up a mobile rotating stirring unit, after the drug falls into the water, the cross plate is rotated and horizontally moved back and forth to quickly and evenly mix and dissolve the drug in the water from one side, thereby accelerating the dissolution rate and making the drug concentration in the water consistent, thus avoiding drug precipitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1 is a perspective view of the external structure of the present invention;

[0023] Fig. 2 is a cross-sectional view of a box body of the present invention;

[0024] Fig. 3 is a cross-sectional view of a round box of the present invention;

[0025] FIG4 is a cross-sectional view of the mounting tube and sleeve of the present invention;

[0026] FIG5 is a partial enlarged view of point A in FIG4 of the present invention;

[0027] FIG6 is a perspective view of the automatic screening assembly of the present invention;

[0028] FIG. 7 is a three-dimensional diagram of the mobile rotating stirring unit of the present invention.

[0029] In the figure: 1, box body; 2, automatic quantitative dosing mechanism; 3, driving rotating component; 4, automatic screening component; 5, mobile rotating stirring unit; 6, water inlet pipe; 7, drainage pipe; 8, water pump; 9, box door; 21, round box; 22, hopper; 23, installation cylinder; 24, rotating cylinder; 25, connecting column; 26, rotating plate; 27, wave groove; 28, sleeve; 29, limit column; 210, spring 1; 211, medicine outlet; 31, vertical plate; 32, rotating rod; 33, motor 1; 34. Cam; 41. Crossbar; 42. Motor 2; 43. Rotor; 44. Triangular arc plate; 45. Rotating shaft; 46. Y-type plate; 47. Roller; 48. Arc rack; 49. Mounting seat; 410. Slide; 411. Slide seat; 412. Spring 2; 413. Straight rack; 414. Square frame; 415. Filter box; 51. Screw; 52. Motor 3; 53. Fixed rod; 54. Moving bar; 55. Vertical rod; 56. Cross plate; 57. Gear; 58. Long rack. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The present invention provides three technical solutions, including the following embodiments:

[0032] Example 1

[0033] Please refer to Figures 1 to 5, a circulating water automatic dosing device includes a box body 1, and an automatic quantitative dosing mechanism 2 for quantitatively dosing drugs into the box body 1 is arranged on the top of the box body 1;

[0034] The automatic quantitative dosing mechanism 2 includes a round box 21 fixed on the top of the box body 1. The top of the round box 21 is connected to a hopper 22. The hopper 22 is filled with drug powder, which is specifically a corrosion inhibitor, a scale inhibitor, a bactericide, a flocculant, etc. The drug powder is loaded into the hopper 22 and automatically fills the space between two adjacent rotating plates 26. A mounting cylinder 23 is fixed on the top wall of the round box 21. The interior of the mounting cylinder 23 is rotatably connected to a rotating cylinder 24. A connecting column 25 is fixed to the bottom of the rotating cylinder 24. The bottom end of the connecting column 25 extends to the outside of the mounting cylinder 23 and is rotatably connected to the bottom wall of the round box 21. Four rotating plates 26 are fixed to the outer surface of the connecting column 25. When the rotating plate 26 rotates, it can drive the drug powder to move. The four rotating plates 26 The bottom of the round box 21 is rotatably connected to the bottom wall of the round box 21. A wave groove 27 is provided on the outer surface of the rotating cylinder 24. A sleeve 28 is slidably connected to the top of the round box 21. The bottom of the sleeve 28 extends to the inside of the mounting cylinder 23. Two limiting columns 29 are fixed on both sides of the sleeve 28. The opposite ends of the two limiting columns 29 slide in the wave groove 27. The sleeve 28 is pressed once to drive the rotating cylinder 24 to rotate 90 degrees. A spring 210 is provided between the top wall of the sleeve 28 and the inner wall of the rotating cylinder 24. A drug outlet 211 is provided through the bottom of the round box 21 and the top of the box body 1. The drug outlet 211 is used to guide the drug into the box body 1. A driving rotating component 3 that drives the sleeve 28 to press back and forth is provided on the top of the round box 21.

[0035] The driving rotating assembly 3 includes two vertical plates 31 fixed on the top of the round box 21, and a rotating rod 32 is rotatably connected between the opposite sides of the two vertical plates 31. A motor 33 is fixed to one side of the vertical plate 31, and the motor 33 drives the rotating rod 32 to rotate. The output end of the motor 33 is fixed to one end of the rotating rod 32 through a coupling. The motor 33 is a stepping motor. Each time the output shaft is started and rotates one circle, the output shaft of the motor 33 rotates one circle, which drives the cam 34 to rotate one circle, and the sleeve 28 can be pressed once. A cam 34 is fixed on the rotating rod 32, and the outer surface of the cam 34 contacts and squeezes the top of the sleeve 28.

[0036] By setting up the automatic quantitative dosing mechanism 2, the automatic quantitative addition of drug powder is realized. The cam 34 rotates one circle and presses the sleeve 28 once, thereby completing a quantitative drug addition. Each time the drug is added, it is quantitative, thereby well controlling the concentration of the drug in the water, avoiding the waste of the drug and the phenomenon of poor purification effect due to too little drug.

[0037] The top of the box body 1 is connected with a water inlet pipe 6, and external circulating water is introduced into the box body 1 from the water inlet pipe 6. A drain pipe 7 is connected to one side of the box body 1, and a water pump 8 is arranged on the drain pipe 7. The drain pipe 7 is connected with the liquid inlet and liquid outlet of the water pump 8. The water pump 8 is controlled by an external switch and is electrically connected to an external power supply. After the water pump 8 is started, the purified water can be discharged. A box door 9 is provided on the top of the box body 1, and the box door 9 is rotatably connected to the top of the box body 1 by a hinge. After opening, the impurities and large particles of medicine filtered out of the filter box 415 can be taken out.

[0038] Example 2

[0039] On the basis of Example 1, referring to Figures 6 and 7, an automatic screening component 4 for screening impurities and large particles in the drug powder is provided inside the box 1. The automatic screening component 4 includes a cross bar 41 rotatably connected between the inner walls of the box 1. A motor 42 is fixed to one side of the box 1. The motor 42 is controlled by an external switch and electrically connected to an external power supply. The motor 42 drives the cross bar 41 to rotate. The output end of the motor 42 is fixed to one end of the cross bar 41 through a coupling, and a rotating wheel 43 is fixed to the cross bar 41.

[0040] A triangular arc plate 44 is fixed on the rotating wheel 43, a rotating shaft 45 is rotatably connected to the top wall of the box body 1, a Y-shaped plate 46 is fixed on the rotating shaft 45, a roller 47 is installed at one end of the Y-shaped plate 46, the roller 47 contacts and squeezes one side of the triangular arc plate 44, an arc-shaped rack 48 is fixed on the triangular arc plate 44, a mounting seat 49 is fixed on one side of the inner wall of the box body 1, a slide groove 410 is opened on the top of the mounting seat 49, and a slide groove 410 is slidably connected to the inside of the slide groove 410. A spring 2 412 is fixed between one side of the slide 411 and the inner wall of the slide groove 410. The setting of the spring 2 412 can make the slide 411 move to one side and then reset. A straight rack 413 is fixed to one side of the slide 411. The straight rack 413 is engaged with the arc rack 48. A square frame 414 is fixed to the slide 411. A filter box 415 is placed on the top of the square frame 414. A filter hole is opened through the bottom wall of the filter box 415.

[0041] By setting the automatic screening component 4, after the medicine falls into the filter box 415, it can automatically perform vibration screening, screen out impurities and large particles of medicine in the medicine powder and leave them in the filter box 415, so that the medicine can be well integrated into the circulating water, ensuring the rapid dissolution of the medicine and improving the cleanliness of the circulating water.

[0042] A mobile rotating stirring unit 5 is arranged inside the box body 1, and the mobile rotating stirring unit 5 includes a screw rod 51 rotatably connected between the inner walls of the box body 1. A motor 3 52 is fixed to one side of the box body 1. The motor 3 52 is a three-phase asynchronous motor, which can be reversed, controlled by an external switch, and electrically connected to an external power supply. The motor 3 52 drives the screw rod 51 to rotate, and the output end of the motor 3 52 is fixed to one end of the screw rod 51 through a coupling. A fixed rod 53 is fixed between the inner walls of the box body 1, and a movable bar 54 is arranged between the fixed rod 53 and the screw rod 51.

[0043] One end of the fixed rod 53 and the screw rod 51 both penetrate the moving bar 54 and extend to the outside of the moving bar 54, the outer surface of the screw rod 51 is threadedly connected to the inner surface of the moving bar 54, the outer surface of the fixed rod 53 is slidably connected to the inner surface of the moving bar 54, and the bottom of the moving bar 54 is rotatably connected to two vertical rods 55, and the outer surfaces of the two vertical rods 55 are fixed with cross plates 56, and the outer surfaces of the two vertical rods 55 are fixed with gears 57, and long racks 58 are fixed on both sides of the inner wall of the box body 1, and the gears 57 are meshed with the long racks 58.

[0044] By moving the rotating stirring unit 5, after the medicine falls into the water, the cross plate 56 is rotated and horizontally moved back and forth to quickly and evenly mix and dissolve the medicine in the water from one side, thereby accelerating the dissolution speed and making the concentration of the medicine in the water consistent, thereby avoiding the precipitation of the medicine.

[0045] Example 3

[0046] Based on Example 2, referring to Figures 1 to 7, the present invention further discloses a circulating water automatic dosing method, which specifically includes the following steps:

[0047] Step 1: Pour the drug powder into the hopper 22, and further the drug powder falls into the round box 21, and start the motor 1 33, so that the motor 1 33 drives the cam 34 to rotate and press the sleeve 28, and then the limit column 29 on the sleeve 28 slides in the wave groove 27, and then drives the rotating cylinder 24 to rotate 90 degrees, and then drives the rotating plate 26 to rotate, and then drives the drug between two adjacent rotating plates 26 to rotate, and then the drug rotates to the drug outlet 211 and falls into the box body 1;

[0048] Step 2: Further drug powder falls into the filter box 415, and the motor 2 42 is started. The motor 2 42 drives the rotating wheel 43 to rotate, and then the triangular arc plate 44 is used to squeeze the roller 47, and the roller 47 drives the triangular arc plate 44 to swing, and then the triangular arc plate 44 drives the slide seat 411, the square frame 414, and the filter box 415 to move back and forth, and the impurities and large particles in the drug powder in the filter box 415 are screened out by the back and forth shaking;

[0049] Step three, introduce external water into the box body 1 through the water inlet pipe 6, and then mix it with the drug powder, start the motor three 52, so that the motor three 52 drives the screw 51 to rotate, and then drives the moving bar 54 to move to the right, and then during the movement, the long rack 58 drives the gear 57 to rotate, and then the gear 57 drives the vertical rod 55 and the cross plate 56 to rotate, so that the cross plate 56 reciprocates left and right while rotating, so that the drug powder and water are evenly mixed, and the water pump can be started to extract the purified water.

[0050] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0051] The above embodiments of the invention are described in detail, but the contents are only preferred embodiments of the invention and cannot be considered to limit the scope of the invention. All equivalent changes and improvements made within the scope of the invention should still fall within the scope of the invention.

Claims

1. A circulating water automatic dosing device, comprising a housing (1), characterized in that: An automatic quantitative drug adding mechanism (2) for quantitatively adding drugs into the box (1) is provided on the top of the box (1); The automatic quantitative dosing mechanism (2) comprises a round box (21) fixed on the top of the box body (1), the top of the round box (21) is connected to a hopper (22), a mounting cylinder (23) is fixed on the top wall of the round box (21), the interior of the mounting cylinder (23) is rotatably connected to a rotating cylinder (24), a connecting column (25) is fixed on the bottom of the rotating cylinder (24), the bottom end of the connecting column (25) extends to the outside of the mounting cylinder (23) and is rotatably connected to the bottom wall of the round box (21), four rotating plates (26) are fixed on the outer surface of the connecting column (25), the bottoms of the four rotating plates (26) are all rotatably connected to the bottom wall of the round box (21), and the rotating cylinder (24) is fixed to the bottom of the rotating cylinder (24). The outer surface of the rotating cylinder (24) is provided with a wave groove (27), the top of the round box (21) is slidably connected with a sleeve (28), the bottom of the sleeve (28) extends to the inside of the mounting cylinder (23), two limiting columns (29) are fixed on both sides of the sleeve (28), the opposite ends of the two limiting columns (29) slide in the wave groove (27), a spring (210) is provided between the top wall of the sleeve (28) and the inner wall of the rotating cylinder (24), the bottom of the round box (21) and the top of the box body (1) are penetrated by a medicine outlet (211), and the top of the round box (21) is provided with a driving rotating component (3) for driving the sleeve (28) to perform reciprocating pressing.

2. The automatic dosing device for circulating water according to claim 1 is characterized in that: The driving rotating assembly (3) comprises two vertical plates (31) fixed on the top of the round box (21), a rotating rod (32) is rotatably connected between opposite sides of the two vertical plates (31), a motor (33) is fixed on one side of the vertical plates (31), the motor (33) drives the rotating rod (32) to rotate, a cam (34) is fixed on the rotating rod (32), and the outer surface of the cam (34) contacts and presses against the top of the sleeve (28).

3. The automatic dosing device for circulating water according to claim 1 is characterized in that: An automatic screening component (4) for screening out impurities and large particles in the medicine powder is arranged inside the box (1), the automatic screening component (4) comprising a cross bar (41) rotatably connected between the inner walls of the box (1), a second motor (42) is fixed to one side of the box (1), the second motor (42) drives the cross bar (41) to rotate, and a rotating wheel (43) is fixed to the cross bar (41).

4. The automatic dosing device for circulating water according to claim 3 is characterized in that: A triangular arc plate (44) is fixed on the rotating wheel (43); a rotating shaft (45) is rotatably connected to the top wall of the box body (1); a Y-shaped plate (46) is fixed on the rotating shaft (45); a roller (47) is mounted on one end of the Y-shaped plate (46); the roller (47) contacts and squeezes one side of the triangular arc plate (44); an arc-shaped rack (48) is fixed on the triangular arc plate (44); a mounting seat (49) is fixed on one side of the inner wall of the box body (1); the mounting seat (49) A slide groove (410) is provided on the top, a slide seat (411) is slidably connected inside the slide groove (410), a spring 2 (412) is fixed between one side of the slide seat (411) and the inner wall of the slide groove (410), a straight rack (413) is fixed on one side of the slide seat (411), the straight rack (413) is meshed with the arc-shaped rack (48), a square frame (414) is fixed on the slide seat (411), and a filter box (415) is placed on the top of the square frame (414).

5. The automatic dosing device for circulating water according to claim 1 is characterized in that: A movable rotating stirring unit (5) is arranged inside the box (1), and the movable rotating stirring unit (5) comprises a screw rod (51) rotatably connected between the inner walls of the box (1); a motor three (52) is fixed on one side of the box (1), and the motor three (52) drives the screw rod (51) to rotate; a fixed rod (53) is fixed between the inner walls of the box (1); and a movable bar (54) is arranged between the fixed rod (53) and the screw rod (51).

6. The automatic dosing device for circulating water according to claim 5, characterized in that: One end of the fixed rod (53) and the lead screw (51) both penetrate the moving bar (54) and extend to the outside of the moving bar (54); the outer surface of the lead screw (51) is threadedly connected to the inner surface of the moving bar (54); the outer surface of the fixed rod (53) is slidably connected to the inner surface of the moving bar (54); the bottom of the moving bar (54) is rotatably connected to two vertical rods (55); a cross plate (56) is fixed to the outer surface of the two vertical rods (55); a gear (57) is fixed to the outer surface of the two vertical rods (55); long racks (58) are fixed to both sides of the inner wall of the box body (1); the gear (57) is meshed with the long rack (58).

7. The automatic dosing device for circulating water according to claim 1 is characterized in that: The top of the box body (1) is connected to a water inlet pipe (6), one side of the box body (1) is connected to a drainage pipe (7), a water pump (8) is provided on the drainage pipe (7), and a box door (9) is provided on the top of the box body (1).

8. A method for automatically adding medicine to circulating water, characterized in that: The specific steps include: Step 1: Pour the drug powder into the hopper (22), and further the drug powder falls into the round box (21), and start the motor 1 (33), so that the motor 1 (33) drives the cam (34) to rotate and press the sleeve (28), and then the limit column (29) on the sleeve (28) slides in the wave groove (27), and then drives the rotating cylinder (24) to rotate 90 degrees, and then drives the rotating plate (26) to rotate, and then drives the drug between two adjacent rotating plates (26) to rotate, and then the drug rotates to the drug outlet (211) and falls into the box (1); Step 2: When the drug powder further falls into the filter box (415), the second motor (42) is started, the second motor (42) drives the rotating wheel (43) to rotate, and then the triangular arc plate (44) is used to squeeze the roller (47), and the roller (47) drives the triangular arc plate (44) to swing, and then the triangular arc plate (44) drives the slide seat (411), the square frame (414), and the filter box (415) to move back and forth, and the impurities and large particles in the drug powder in the filter box (415) are screened out by the back and forth shaking; Step 3: introduce external water into the box body (1) through the water inlet pipe (6) and mix it with the drug powder. Start the motor (52) so that the motor (52) drives the screw rod (51) to rotate, thereby driving the moving bar (54) to move rightward. During the movement, the long rack (58) drives the gear (57) to rotate, and the gear (57) drives the vertical rod (55) and the cross plate (56) to rotate, so that the cross plate (56) reciprocates left and right while rotating, so that the drug powder and water are evenly mixed. Start the water pump () to extract the purified water.

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