CN218339633U

CN218339633U - A accurate charge device of antisludging agent for recirculated cooling water

Info

Publication number: CN218339633U
Application number: CN202222924297.3U
Authority: CN
Inventors: 宗昱锦; 党启松
Original assignee: Tengzhou Mozhidao Measurement And Control Equipment Co ltd
Current assignee: Tengzhou Mozhidao Measurement And Control Equipment Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-20
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to the technical field of chemical machinery, in particular to an accurate chemical dosing device of scale inhibitor for circulating cooling water, which can avoid the waste of scale inhibitor while ensuring the concentration of the scale inhibitor in the circulating water, and has convenient use and high practicability; the water circulation device comprises a bottom plate, a support, a circulation water tank, a water inlet pipe, a water pump and a water discharge pipe, wherein the circulation water tank is fixedly arranged at the upper end of the bottom plate through the support; the device also comprises a support frame, a feeding box, a feeding pipe, a weighing scale and a dosing mechanism.

Description

A accurate charge device of antisludging agent for recirculated cooling water

Technical Field

The utility model relates to a chemical machinery's technical field especially relates to an accurate charge device of antisludging agent for recirculated cooling water.

Background

The scale inhibitor is a substance for interfering the insoluble inorganic salt in water to form precipitate on the surface of metal, and is widely applied to various fields such as boilers, heating, pharmacy and the like. When circulating water is used for circularly cooling an object, in order to reduce the sediment formed on the surface of the object by the circulating water, a chemical adding device is needed to add a scale inhibitor into the circulating water.

In the prior art, a circulating water scale inhibitor dosing device with the patent application number of CN202220789469.8 comprises a circulating water tank, wherein a circulating water inlet pipe is fixedly connected to the left side of the circulating water tank, a circulating water outlet pipe is fixedly connected to the right side of the circulating water tank, a supporting leg is fixedly connected to the bottom of the circulating water tank, a first motor is fixedly connected to the top of the circulating water tank, a stirring blade is fixedly connected to the outer surface of an output shaft of the first motor, and a transmission assembly is fixedly connected to the right side of the circulating water tank; when the scale inhibitor is used, a solid scale inhibitor is added into the dosing tank, and then the scale inhibitor in the dosing tank is pushed by the push plate, so that the scale inhibitor flows into the circulating water tank through the dosing pipe and is mixed with water.

In the using process, the weight of the scale inhibitor pushed into the dosing pipe is not well controlled, and the quantity of circulating water in the circulating water tank is not well controlled, so that the scale inhibitor is not conveniently controlled to be added into the circulating water, waste or insufficient concentration of the scale inhibitor in the circulating water is easily caused, and a dosing device capable of controlling the adding quantity of the scale inhibitor is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can avoid the waste to the antisludging agent when guaranteeing the antisludging agent concentration in the circulating water, convenient to use, the high accurate charge device of antisludging agent for recirculated cooling water of practicality.

The utility model discloses a scale inhibitor accurate charge device for recirculated cooling water, including bottom plate, support, circulation tank, inlet tube, water pump and drain pipe, circulation tank passes through support fixed mounting in the bottom plate upper end, and circulation tank's inside is provided with the cavity, and circulation tank's upper end is the opening, and the inlet tube is installed on circulation tank, and water pump fixed mounting is in the bottom plate upper end, and the input of water pump is through the lower part intercommunication of drain pipe and circulation tank cavity, is provided with the valve on the drain pipe; the scale inhibitor feeding device comprises a circulating water tank, a support frame, a feeding box, a feeding pipe, a weighing scale and a dosing mechanism, wherein the feeding box is fixedly arranged on the circulating water tank through the support frame; firstly, adding circulating cooling water into a circulating water tank through a water inlet pipe, judging the circulating water quantity in a cavity of the circulating water tank through scales on the circulating water tank, weighing a certain weight of solid scale inhibitor by a weighing scale according to the quantity of the circulating water in the cavity of the circulating water tank, taking a certain quantity of solid scale inhibitor out of the weighing scale, adding the solid scale inhibitor into a feeding tank through a feeding pipe, adding a trace amount of water into the cavity of the feeding tank through the feeding pipe to mix the solid scale inhibitor with the water in the cavity of the feeding tank, adding the scale inhibitor mixed with the water in the cavity of the feeding tank into the cavity of the circulating water tank through a dosing mechanism to mix with a certain quantity of the circulating water, opening a valve on a drain pipe, and then opening a water pump to make the circulating water in the cavity of the circulating water tank flow into the outside through the drain pipe and the water pump in sequence for cooling and circulating use; because the circulation water volume in the circulation water tank cavity can be controlled through the scale on the circulation water tank, the weight of antisludging agent can be controlled through the weighing scale, so it can be according to the accurate control of the volume of adding antisludging agent of the circulating water in the circulation water tank cavity, can avoid the waste to the antisludging agent when guaranteeing the circulating water antisludging agent concentration, convenient to use, the practicality is high.

Preferably, the dosing mechanism comprises a moving device, a discharging pipe, a conveying hose and a water outlet pipe, the moving device is installed on the support frame, the discharging pipe is installed on the charging box, the input end of the discharging pipe is communicated with the lower end of the cavity of the charging box, the output end of the discharging pipe is connected with the input end of the water outlet pipe through the conveying hose, the water outlet pipe is installed on the moving device, the moving device is used for moving the water outlet pipe left and right, the output end of the water outlet pipe is towards the cavity of the circulating water tank, and a valve is arranged on the discharging pipe; when the scale inhibitor is added into the cavity of the circulating water tank, the valve on the discharge pipe is opened, and the scale inhibitor mixed with water in the cavity of the feeding tank flows into the cavity of the circulating water tank through the discharge pipe, the delivery hose and the water outlet pipe in sequence under the action of gravity to be mixed with circulating water; the scale inhibitor is conveniently added into the scale inhibitor in the cavity of the circulating water tank, and the use is convenient.

Preferably, the moving device comprises a motor A, a lead screw, a slide rail and a slide block, the motor A is fixedly arranged at the right end of the support frame, the lead screw is rotatably arranged on the support frame, the right end of the lead screw is connected with the output end of the motor A, the slide rail is fixedly arranged on the support frame, the slide block is in threaded connection with the lead screw, the slide block is arranged on the slide rail in a left-right sliding manner, and the water outlet pipe is fixedly arranged at the lower end of the slide block; when the scale inhibitor is added into the cavity of the circulating water tank through the water outlet pipe, the motor A is started, the motor A drives the screw rod to rotate, the rotating screw rod enables the water outlet pipe to move left and right through the sliding block, and the scale inhibitor uniformly flows into the circulating water in the cavity of the circulating water tank in the left and right moving process of the water outlet pipe, so that the scale inhibitor and the circulating water are conveniently mixed.

Preferably, the water circulation device further comprises a rotating shaft A, a rotating shaft B and a driving device, the lower ends of the rotating shaft A and the rotating shaft B are rotatably mounted on the bottom plate, the rotating shaft A and the rotating shaft B are rotatably mounted on the water circulation tank, the upper parts of the rotating shaft A and the rotating shaft B are respectively provided with a helical blade, the helical blades on the rotating shaft A and the rotating shaft B have opposite rotating directions, two groups of helical blades are positioned in a cavity of the water circulation tank, the driving device is mounted on the rotating shaft A, the rotating shaft B and the bottom plate, and the driving device is used for driving the rotation of the rotating shaft A and the rotating shaft B; after the scale inhibitor is added into the circulating water in the circulating water tank cavity, the driving device is started, the driving device drives the rotating shaft A and the rotating shaft B to rotate, the rotating shaft A and the rotating shaft B drive the two groups of spiral blades to rotate, the two groups of spiral blades promote the circulating water to turn over up and down in the rotating process, the mixing of the scale inhibitor and the circulating water is promoted, the scale inhibitor can be fully dispersed in the circulating water tank cavity, the use is convenient, and the practicability is high.

Preferably, the driving device comprises a driving motor, a rotating shaft, a fixing plate, a driving bevel gear, a driven bevel gear, a chain wheel A, a chain wheel B and a chain, wherein the driving motor is fixedly arranged at the upper end of the bottom plate, the output end of the driving motor is connected with the right end of the rotating shaft, the rotating shaft is rotatably arranged on the fixing plate, the fixing plate is fixedly arranged at the upper end of the bottom plate, the driving bevel gear is fixedly arranged at the left end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, the driven bevel gear is fixedly arranged on the rotating shaft B, the chain wheel A and the chain wheel B are respectively fixedly arranged on the rotating shaft B and the rotating shaft A, and the chain wheel A and the chain wheel B are connected through the chain; when the rotating shaft B and the rotating shaft A rotate, the driving motor is started, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the driven bevel gear to rotate through the driving bevel gear, the driven bevel gear drives the chain wheel A to rotate through the rotating shaft B, the chain wheel A drives the chain wheel B to rotate through the chain, the chain wheel B drives the rotating shaft A to rotate, the rotating shaft B and the rotating shaft A rotate synchronously, and the rotating shaft B and the rotating shaft A can rotate conveniently.

Preferably, the feeding device further comprises a servo motor and a rotating shaft, wherein the servo motor is fixedly arranged at the upper end of the feeding box, the rotating shaft is rotatably arranged on the feeding box, the upper end of the rotating shaft is connected with the output end of the servo motor, a plurality of groups of stirring blades are arranged on the rotating shaft, and the plurality of groups of stirring blades are all positioned in the cavity of the feeding box; after adding solid-state antisludging agent and trace water in the feeding box cavity, open servo motor, servo motor drives the axis of rotation, and the axis of rotation drives multiunit stirring piece rotatory, and multiunit stirring piece has promoted the dissolution of solid-state antisludging agent and water in the feeding box cavity at rotatory in-process, has improved the convenience.

Preferably, the circulating water tank is made of a transparent material; through the arrangement, the liquid level of the circulating water in the cavity of the circulating water tank can be conveniently observed by a worker, and the reliability is improved.

Compared with the prior art, the beneficial effects of the utility model are that: can avoid the waste of the scale inhibitor while ensuring the concentration of the scale inhibitor in the circulating water, and has convenient use and high practicability.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a driven bevel gear, a rotation shaft A, a rotation shaft B, and the like;

FIG. 3 is a schematic view of the structure of the chain wheel, the chain wheel B, the driving motor and the like;

FIG. 4 is a schematic structural diagram of a support frame, a slide block, a lead screw and the like;

in the drawings, the reference numbers: 1. a base plate; 2. a support; 3. a circulating water tank; 4. a water inlet pipe; 5. a water pump; 6. a drain pipe; 7. a support frame; 8. a feed box; 9. a feed tube; 10. a weighing scale; 11. a discharge pipe; 12. a delivery hose; 13. a water outlet pipe; 14. a motor A; 15. a lead screw; 16. a slide rail; 17. a slider; 18. a rotating shaft A; 19. a rotating shaft B; 20. a drive motor; 21. a rotating shaft; 22. a fixing plate; 23. a drive bevel gear; 24. a driven bevel gear; 25. a chain wheel A; 26. a sprocket B; 27. a chain; 28. a servo motor; 29. and rotating the shaft.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 4, the scale inhibitor precise dosing device for circulating cooling water of the present invention comprises a bottom plate 1, a support 2, a circulating water tank 3, a water inlet pipe 4, a water pump 5, a water discharge pipe 6, a support frame 7, a feeding box 8, a feeding pipe 9, a weighing scale 10, a moving device, a discharge pipe 11, a material conveying hose 12 and a water outlet pipe 13, a rotating shaft a18, a rotating shaft B19, a driving device, a servo motor 28 and a rotating shaft 29, wherein the circulating water tank 3 is fixedly installed at the upper end of the bottom plate 1 through the support 2, a cavity is arranged inside the circulating water tank 3, the upper end of the circulating water tank 3 is an opening, the water inlet pipe 4 is installed on the circulating water tank 3, the water pump 5 is fixedly installed at the upper end of the bottom plate 1, the input end of the water pump 5 is communicated with the lower part of the cavity of the circulating water tank 3 through the water discharge pipe 6, a valve is arranged on the water discharge pipe 6, the moving device is installed on the support frame 7, the discharge pipe 11 is installed on the feeding box 8, the input end of a discharge pipe 11 is communicated with the lower end of a cavity of a charging box 8, the output end of the discharge pipe 11 is connected with the input end of a water outlet pipe 13 through a conveying hose 12, the water outlet pipe 13 is arranged on a moving device, the moving device is used for moving the water outlet pipe 13 left and right, the output end of the water outlet pipe 13 rushes to a cavity of a circulating water tank 3, a valve is arranged on the discharge pipe 11, the lower ends of a rotating shaft A18 and a rotating shaft B19 are both rotatably arranged on a bottom plate 1, the rotating shaft A18 and the rotating shaft B19 are both rotatably arranged on the circulating water tank 3, the upper parts of the rotating shaft A18 and the rotating shaft B19 are both provided with helical blades, the helical blades on the rotating shaft A18 and the rotating shaft B19 have opposite rotating directions, the two groups of helical blades are both positioned in the cavity of the circulating water tank 3, a driving device is arranged on the rotating shaft A18, the rotating shaft B19 and the bottom plate 1, the driving device is used for driving the rotation of the rotating shaft A18 and the rotating shaft B19, servo motor 28 fixed mounting is in the charging box 8 upper end, and axis of rotation 29 rotates and installs on charging box 8, and the upper end of axis of rotation 29 is connected with servo motor 28's output, is provided with the multiunit stirring piece on the axis of rotation 29, and the multiunit stirring piece all is located the cavity of charging box 8.

As shown in fig. 2 and 3, the driving device includes a driving motor 20, a rotating shaft 21, a fixing plate 22, a driving bevel gear 23, a driven bevel gear 24, a sprocket a25, a sprocket B26 and a chain 27, the driving motor 20 is fixedly mounted on the upper end of the base plate 1, the output end of the driving motor 20 is connected with the right end of the rotating shaft 21, the rotating shaft 21 is rotatably mounted on the fixing plate 22, the fixing plate 22 is fixedly mounted on the upper end of the base plate 1, the driving bevel gear 23 is fixedly mounted on the left end of the rotating shaft 21, the driving bevel gear 23 is meshed with the driven bevel gear 24, the driven bevel gear 24 is fixedly mounted on the rotating shaft B19, the sprocket a25 and the sprocket B26 are respectively fixedly mounted on the rotating shaft B19 and the rotating shaft a18, and the sprocket a25 and the sprocket B26 are connected through the chain 27.

As shown in fig. 4, the moving device includes a motor a14, a lead screw 15, a slide rail 16 and a slide block 17, the motor a14 is fixedly mounted at the right end of the support frame 7, the lead screw 15 is rotatably mounted on the support frame 7, the right end of the lead screw 15 is connected with the output end of the motor a14, the slide rail 16 is fixedly mounted on the support frame 7, the slide block 17 is screwed with the lead screw 15, the slide block 17 is slidably mounted on the slide rail 16 in a left-right direction, and the water outlet pipe 13 is fixedly mounted at the lower end of the slide block 17.

The utility model discloses an accurate charge device of antisludging agent for recirculated cooling water, it is at work, at first add recirculated cooling water in the circulating water tank 3 via inlet tube 4, then judge the circulation water yield in the circulating water tank 3 cavity through the scale on the circulating water tank 3, later make weighing scale 10 weigh out the solid-state antisludging agent of certain weight according to the volume of circulating water in the circulating water tank 3 cavity, later take out a certain amount of solid-state antisludging agent on weighing scale 10 and add in the filling box 8 via filling tube 9, later add micro water in the cavity of filling box 8 via filling tube 9, then open servo motor 28, servo motor 28 drives axis of rotation 29 and rotates, axis of rotation 29 drives the rotation of multiunit stirring piece, the multiunit stirring piece has promoted the dissolution of solid-state antisludging agent and water in the cavity of filling box 8 at rotatory in-process, then, a valve on a water outlet pipe 13 is opened, so that the scale inhibitor mixed with water in the cavity of the charging box 8 flows into the cavity of the circulating water tank 3 through a discharging pipe 11, a material conveying hose 12 and the water outlet pipe 13 in sequence under the action of gravity to be mixed with circulating water, then a driving device is opened, the driving device drives a rotating shaft A18 and a rotating shaft B19 to rotate, the rotating shaft A18 and the rotating shaft B19 drive two groups of spiral blades to rotate, the two groups of spiral blades promote the circulating water to turn up and down in the rotating process, the scale inhibitor is mixed with the circulating water, so that the scale inhibitor can be fully dispersed in the circulating water in the cavity of the circulating water tank 3, then the valve on a water outlet pipe 6 is opened, and then a water pump 5 is opened, so that the circulating water in the cavity of the circulating water tank 3 flows into the outside through the water outlet pipe 6 and the water pump 5 in sequence to be used in a cooling cycle mode; because the circulation water yield in 3 cavities of circulation tank can be controlled through the scale on the circulation tank 3, can control the weight of antisludging agent through weighing scale 10, so it can be according to the accurate control of the quantity of adding the antisludging agent of the circulating water in 3 cavities of circulation tank, can avoid the waste to the antisludging agent when guaranteeing the antisludging agent concentration in the circulation water, convenient to use, the practicality is high.

When the moving device is used, the motor A14 is turned on, the motor A14 drives the screw rod 15 to rotate, the rotating screw rod 15 enables the water outlet pipe 13 to move left and right through the sliding block 17, and the scale inhibitor can uniformly flow into the circulating water in the cavity of the circulating water tank 3 in the left and right direction in the process that the water outlet pipe 13 moves left and right, so that the scale inhibitor and the circulating water can be conveniently mixed.

When the driving device is used, the driving motor 20 is turned on, the driving motor 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the driven bevel gear 24 to rotate through the driving bevel gear 23, the driven bevel gear 24 drives the chain wheel A25 to rotate through the rotating shaft B19, the chain wheel A25 drives the chain wheel B26 to rotate through the chain 27, the chain wheel B26 drives the rotating shaft A18 to rotate, the rotating shaft B19 and the rotating shaft A18 can rotate synchronously, and the rotation of the rotating shaft B19 and the rotating shaft A18 is facilitated.

It should be added that: the micro water added into the cavity of the feeding box 8 is used for dissolving and diluting the scale inhibitor in advance, and compared with the circulating water in the cavity of the circulating water tank 3, the micro water in the cavity of the feeding box 8 has far volume difference and can be basically ignored, so that after the micro water in the cavity of the feeding box 8 is added into the cavity of the circulating water tank 3, the proportion between the scale inhibitor and the circulating water is basically not influenced, and the normal use of the device is not influenced.

The installation mode, the connection mode or the setting mode of the scale inhibitor accurate dosing device for circulating cooling water of the utility model are common mechanical modes, and the scale inhibitor accurate dosing device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a water pump 5, the balance of weighing 10, defeated material hose 12, driving motor 20, sprocket A25, sprocket B26 and servo motor 28 for the accurate charge device of dirty agent of recirculated cooling water are purchase on the market, and technical staff in this industry only need install and operate according to its subsidiary instructions, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An accurate scale inhibitor dosing device for circulating cooling water comprises a bottom plate (1), a support (2), a circulating water tank (3), a water inlet pipe (4), a water pump (5) and a water drain pipe (6), wherein the circulating water tank (3) is fixedly arranged at the upper end of the bottom plate (1) through the support (2), a cavity is arranged inside the circulating water tank (3), the upper end of the circulating water tank (3) is open, the water inlet pipe (4) is arranged on the circulating water tank (3), the water pump (5) is fixedly arranged at the upper end of the bottom plate (1), the input end of the water pump (5) is communicated with the lower part of the cavity of the circulating water tank (3) through the water drain pipe (6), and a valve is arranged on the water drain pipe (6); the scale inhibitor feeding device is characterized by further comprising a support frame (7), a feeding box (8), a feeding pipe (9), a weighing scale (10) and a dosing mechanism, wherein the feeding box (8) is fixedly installed on the circulating water tank (3) through the support frame (7), a cavity is formed in the feeding box (8), the feeding pipe (9) is installed on the upper portion of the feeding box (8), the weighing scale (10) is installed at the right end of the feeding box (8), the dosing mechanism is installed on the support frame (7) and the feeding box (8), the dosing mechanism is used for adding a scale inhibitor in the cavity of the feeding box (8) into the circulating water tank (3), and scales are arranged on the circulating water tank (3) and the feeding box (8).

2. The accurate chemical adding device of the scale inhibitor for the circulating cooling water as claimed in claim 1, wherein the chemical adding mechanism comprises a moving device, a discharging pipe (11), a conveying hose (12) and a water outlet pipe (13), the moving device is installed on the supporting frame (7), the discharging pipe (11) is installed on the feeding box (8), the input end of the discharging pipe (11) is communicated with the lower end of the cavity of the feeding box (8), the output end of the discharging pipe (11) is connected with the input end of the water outlet pipe (13) through the conveying hose (12), the water outlet pipe (13) is installed on the moving device, the moving device is used for moving the water outlet pipe (13) left and right, the output end of the water outlet pipe (13) is flushed to the cavity of the circulating water tank (3), and a valve is arranged on the discharging pipe (11).

3. The accurate medicine adding device of the scale inhibitor for the circulating cooling water as claimed in claim 2, wherein the moving device comprises a motor A (14), a lead screw (15), a slide rail (16) and a slide block (17), the motor A (14) is fixedly installed at the right end of the support frame (7), the lead screw (15) is rotatably installed on the support frame (7), the right end of the lead screw (15) is connected with the output end of the motor A (14), the slide rail (16) is fixedly installed on the support frame (7), the slide block (17) and the lead screw (15) are screwed, the slide block (17) is slidably installed on the slide rail (16) left and right, and the water outlet pipe (13) is fixedly installed at the lower end of the slide block (17).

4. The accurate chemical adding device of the scale inhibitor for the circulating cooling water is characterized by further comprising a rotating shaft A (18), a rotating shaft B (19) and a driving device, wherein the lower ends of the rotating shaft A (18) and the rotating shaft B (19) are rotatably installed on the bottom plate (1), the rotating shaft A (18) and the rotating shaft B (19) are rotatably installed on the circulating water tank (3), the upper portions of the rotating shaft A (18) and the rotating shaft B (19) are respectively provided with a helical blade, the rotating directions of the helical blades on the rotating shaft A (18) and the rotating shaft B (19) are opposite, the two groups of helical blades are respectively located in a cavity of the circulating water tank (3), the driving device is installed on the rotating shaft A (18), the rotating shaft B (19) and the bottom plate (1), and the driving device is used for driving the rotation of the rotating shaft A (18) and the rotating shaft B (19).

5. The precise chemical feeding device for the antisludging agent used for circulating cooling water according to claim 4, wherein the driving device comprises a driving motor (20), a rotating shaft (21), a fixing plate (22), a driving bevel gear (23), a driven bevel gear (24), a chain wheel A (25), a chain wheel B (26) and a chain (27), the driving motor (20) is fixedly installed at the upper end of the base plate (1), the output end of the driving motor (20) is connected with the right end of the rotating shaft (21), the rotating shaft (21) is rotatably installed on the fixing plate (22), the fixing plate (22) is fixedly installed at the upper end of the base plate (1), the driving bevel gear (23) is fixedly installed at the left end of the rotating shaft (21), the driving bevel gear (23) is meshed with the driven bevel gear (24), the driven bevel gear (24) is fixedly installed on the rotating shaft B (19), the chain wheel A (25) and the chain wheel B (26) are respectively fixedly installed on the rotating shaft B (19) and the rotating shaft A (18), and the chain wheel A (25) and the chain wheel B (26) are connected through the chain (27).

6. The precise scale inhibitor feeding device for the circulating cooling water as claimed in claim 1, further comprising a servo motor (28) and a rotating shaft (29), wherein the servo motor (28) is fixedly installed at the upper end of the feeding box (8), the rotating shaft (29) is rotatably installed on the feeding box (8), the upper end of the rotating shaft (29) is connected with the output end of the servo motor (28), a plurality of groups of stirring blades are arranged on the rotating shaft (29), and the groups of stirring blades are all located in the cavity of the feeding box (8).

7. The precise antisludging agent dosing device for the circulating cooling water as claimed in claim 1, wherein the material of the circulating water tank (3) is transparent.