Dosing device for boiler water treatment

Abstract

The utility model discloses a dosing device for boiler water treatment, which belongs to the technical field of water treatment equipment, and comprises a dosing cylinder for boiler water treatment and a quantitative cylinder fixed in the dosing cylinder, a partition plate is fixed in the dosing cylinder, a stirring motor is mounted on the surface of the dosing cylinder, a stirring shaft is fixed at the output end of the stirring motor, and the dosing cylinder is fixed on the partition plate. Fixing sleeves are fixed to the outer walls of the two sides of the stirring shaft, supporting springs are arranged in the fixing sleeves, supporting columns moving in the fixing sleeves are arranged on one sides of the supporting springs, a scraping plate attached to the inner wall of the dosing cylinder is fixed to one ends of the supporting columns, and a stepping motor is installed on the bottom wall of an inner cavity of the quantifying cylinder; a lifting screw is fixed to the output end of the stepping motor, and the outer wall of the lifting screw is in threaded connection with a push plate. According to the boiler water treatment dosing device, dosing can be quantitatively conducted according to the water amount in a boiler, and the inner wall of the dosing cylinder can be automatically and effectively cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of water treatment equipment, and in particular relates to a boiler water treatment dosing device. Background Art

[0002] Boilers can convert input chemical energy into steam, high-temperature water or organic carriers with a certain amount of thermal energy. Boiler water treatment is extremely important in ensuring the water quality and steam quality of the boiler and the safe and economical operation of the boiler. In order to ensure the water quality and service life of the boiler, it is necessary to add chemicals to the water in the boiler to adjust the water quality. The existing dosing methods mostly use manual dosing, which not only affects the dosing efficiency, but also cannot guarantee the accuracy of the drug ratio. If the drugs are pre-proportioned and added when needed, the drugs may be left for a long time, resulting in precipitation or reaction, which may affect the composition and uniformity of the drugs, thereby affecting the water treatment efficiency and water treatment effect.

[0003] Reference authorization announcement number: CN217549555U Chinese authorized patent: A dosing device for boiler water treatment. The utility model provides a dosing device for boiler water treatment that can be applied to boilers of different heights, evenly distribute the composition of the molten metal, and prevent precipitation.

[0004] However, when adding chemicals to boiler water, in order to ensure the quality and uniformity of the dosing, multiple sufficient dosings are often required, and the device cannot accurately control the amount of dosing, which may result in insufficient or excessive dosing. Utility Model Content

[0005] The utility model aims to provide a boiler water treatment dosing device to solve the problem that the device mentioned in the above background technology cannot accurately control the dosing amount, which may lead to insufficient or excessive dosing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiler water treatment dosing device, comprising a dosing cartridge for boiler water treatment and a metering cartridge fixed in the dosing cartridge, a partition is fixed in the dosing cartridge, a stirring motor is installed on the surface of the dosing cartridge, and a stirring shaft is fixed at the output end of the stirring motor, fixed sleeves are fixed on both sides of the outer wall of the stirring shaft, a support spring is arranged in the fixed sleeve, a support column moving in the fixed sleeve is arranged on one side of the support spring, and a scraper fitting with the inner wall of the dosing cartridge is fixed at one end of the support column;

[0007] A sealing plate is fixed to the inner wall of the lower half of the quantitative cylinder, a stepper motor is installed on the bottom wall of the inner cavity of the quantitative cylinder, and a lifting screw is fixed to the output end of the stepper motor. The outer wall of the lifting screw is threadedly connected with a push plate for pushing the liquid medicine.

[0008] In a further embodiment, limiting sliding blocks are fixed to both side outer walls of the support column, and both side inner walls of the fixed sleeve are provided with limiting sliding grooves for the limiting sliding blocks to slide.

[0009] In a further embodiment, guide slide blocks are fixed to both side outer walls of the push plate, and guide grooves for the guide slide blocks to slide are formed on both side inner walls of the metering cylinder.

[0010] In a further embodiment, a plurality of stirring paddles are fixed to the outer walls on both sides of the stirring shaft, two feed hoppers are symmetrically installed on the surface of the drug adding cylinder, and two discharge pipes are symmetrically installed on the bottom of the drug adding cylinder.

[0011] In a further embodiment, flow guide holes are provided at corresponding positions of the partition and the metering cylinder, water inlet pipes are installed in the flow guide holes of the partition and the metering cylinder, and a plurality of water outlet holes are provided on the outer wall of the upper half of the metering cylinder.

[0012] In a further embodiment, a mounting groove is provided on one side outer wall of the dosing cartridge, an observation plate is installed in the mounting groove of the dosing cartridge, and a scale is provided on one side outer wall of the dosing cartridge.

[0013] Technical effects and advantages of the utility model:

[0014] The boiler water treatment dosing device can drive the push plate to move through the work of the stepper motor, so as to deliver the dosage of the medicine in the metering cylinder into the boiler, and accurately control the dosage according to the water volume in the boiler, so as to avoid the phenomenon of insufficient or excessive dosing;

[0015] The stirring motor can drive the stirring shaft and the stirring paddle to rotate, automatically stirring the medicine, making the medicine mixing more fully, and avoiding the precipitation of the medicine and affecting the effect of the medicine. At the same time, the stirring shaft drives the fixed sleeve to rotate, thereby driving the scraper to rotate, and automatically cleaning the inner wall of the dosing cylinder to ensure the cleanliness of the inner wall of the dosing cylinder. The boiler water treatment dosing device can not only add medicine in a quantitative manner according to the amount of water in the boiler, but also can automatically and effectively clean the inner wall of the dosing cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged view of point A in the middle;

[0020] Figure 4 It is a structural schematic diagram of the metering cylinder of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the stepping motor and the push plate of the utility model.

[0022] In the figure: 1. Dosing cylinder; 2. Partition; 3. Stirring motor; 4. Stirring shaft; 5. Stirring paddle; 6. Fixed sleeve; 7. Support spring; 8. Support column; 9. Scraper; 10. Limit slider; 11. Metering cylinder; 12. Water inlet pipe; 13. Sealing plate; 14. Stepping motor; 15. Lifting screw; 16. Push plate; 17. Guide slider; 18. Observation plate. DETAILED DESCRIPTION

[0023] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0025] In order to automatically and effectively clean the inner wall of the dosing cartridge 1, Figure 1 , Figure 2 and Figure 3 As shown, two feed hoppers are symmetrically installed on the surface of the dosing cartridge 1 for boiler water treatment, four supporting legs are symmetrically welded on the bottom of the dosing cartridge 1, a partition 2 is welded and fixed at the middle position of the inner wall of the dosing cartridge 1, a stirring motor 3 is installed on the surface of the dosing cartridge 1 by bolts, and a stirring shaft 4 is fixed to the output end of the stirring motor 3 by a coupling, and multiple stirring paddles 5 are welded on the outer walls of both sides of the stirring shaft 4;

[0026] The outer walls of both sides of the stirring shaft 4 are welded with fixed sleeves 6, and a support spring 7 is arranged in the fixed sleeve 6. A support column 8 that moves in the fixed sleeve 6 is arranged on one side of the support spring 7, and a scraper 9 that fits the inner wall of the dosing cartridge 1 is fixed at one end of the support column 8. The scraper 9 can be made of silicone material, so that the scraper 9 can be tightly attached to the inner wall of the dosing cartridge 1. The outer walls of both sides of the support column 8 are fixed with limit sliders 10, and the inner walls of both sides of the fixed sleeve 6 are provided with limit slide grooves for the limit sliders 10 to slide. The setting of the limit sliders 10 can avoid the support The column 8 rotates in the fixed sleeve 6, and the setting of the support spring 7 can support the support column 8 after the scraper 9 is worn, so that the scraper 9 is always in contact with the inner wall of the dosing barrel 1. The stirring motor 3 can drive the stirring shaft 4 and the stirring paddle 5 to rotate, automatically stirring the medicine, making the medicine mixing more sufficient, while avoiding the precipitation of the medicine and affecting the effect of the medicine. At the same time, the stirring shaft 4 drives the fixed sleeve 6 to rotate, thereby driving the scraper 9 to rotate, automatically cleaning the inner wall of the dosing barrel 1, and ensuring the cleanliness of the inner wall of the dosing barrel 1.

[0027] In order to quantitatively add chemicals according to the amount of water in the boiler to avoid insufficient or excessive addition of chemicals, such as Figure 2 , Figure 4 and Figure 5 As shown, a metering cylinder 11 is welded to the bottom wall of the inner cavity of the dosing cylinder 1, a sealing plate 13 is fixed to the inner wall of the lower half of the metering cylinder 11, a stepping motor 14 is installed on the bottom wall of the inner cavity of the metering cylinder 11, the sealing plate 13 has a waterproof effect to prevent the medicine liquid from contacting the stepping motor 14, and protects the stepping motor 14, and a lifting screw 15 is fixed to the output end of the stepping motor 14 through a coupling, and the outer wall of the lifting screw 15 is threadedly connected with a push plate 16 for pushing the medicine liquid;

[0028] The outer walls of both sides of the push plate 16 are fixed with guide slide blocks 17, and the inner walls of both sides of the metering cylinder 11 are provided with guide grooves for the guide slide blocks 17 to slide. When the stepper motor 14 rotates, the push plate 16 is ensured to rise and fall vertically in the metering cylinder 11. The corresponding positions of the partition 2 and the metering cylinder 11 are provided with guide holes, and the guide holes of the partition 2 and the metering cylinder 11 are provided with water inlet pipes 12. A one-way control valve is installed on the water inlet pipe 12 to ensure that the medicine above the partition 2 flows into the metering cylinder 11. A plurality of water outlet holes are provided on the outer wall of the upper half of the metering cylinder 11. The outer wall of one side of the dosing cylinder 1 is provided with a plurality of water outlet holes. An installation groove is provided on the wall, and an observation plate 18 is installed in the installation groove of the dosing cartridge 1, and a scale is provided on the outer wall of one side of the dosing cartridge 1 and the metering cartridge 11. The observation plate 18 can be made of transparent material to facilitate observation of the amount of medicine in the dosing cartridge. Two discharge pipes are symmetrically installed at the bottom of the dosing cartridge 1, and a control valve is installed on the discharge pipe. Through the operation of the stepper motor 14, the push plate 16 can be driven to move, so that the amount of medicine in the metering cartridge 11 is delivered into the boiler. According to the amount of water in the boiler, the amount of medicine added can be accurately controlled to avoid insufficient or excessive addition of medicine.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The control method of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming by technicians in this field. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Working principle:

[0032] When the boiler water treatment dosing device is used, the dosing cylinder 1 is connected to the boiler, and the discharge pipe is extended into the boiler. Water and solid medicine are respectively injected into the dosing cylinder 1 through two feeding hoppers, and the stirring motor 3 is started to drive the stirring shaft 4 and the stirring paddle 5 to rotate, and the medicine is automatically stirred to make the medicine mixed more fully and avoid the precipitation of the medicine. At the same time, the stirring shaft 4 drives the fixed sleeve 6 to rotate, thereby driving the scraper 9 to rotate, and the inner wall of the dosing cylinder 1 is automatically cleaned to ensure the cleanliness of the inner wall of the dosing cylinder 1.

[0033] After the medicine is fully stirred, it is injected into the metering cylinder 11 through the water inlet pipe 12. According to the amount of water in the boiler, the stepper motor 14 is started to drive the lifting screw 15 to rotate, thereby driving the push plate 16 to move, and the medicine is discharged from the water outlet on the metering cylinder 11. The amount of medicine in the metering cylinder 11 is sent into the boiler through the discharge pipe. According to the amount of water in the boiler, the amount of medicine added is accurately controlled to avoid insufficient or excessive addition of medicine.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A boiler water treatment dosing device, comprising a dosing cylinder (1) for boiler water treatment and a metering cylinder (11) fixed in the dosing cylinder (1), characterized in that: A partition (2) is fixed inside the dosing barrel (1), a stirring motor (3) is installed on the surface of the dosing barrel (1), and a stirring shaft (4) is fixed to the output end of the stirring motor (3), fixed sleeves (6) are fixed to the outer walls of both sides of the stirring shaft (4), a support spring (7) is arranged inside the fixed sleeve (6), a support column (8) that moves inside the fixed sleeve (6) is arranged on one side of the support spring (7), and a scraper (9) that fits the inner wall of the dosing barrel (1) is fixed to one end of the support column (8); A sealing plate (13) is fixed to the inner wall of the lower half of the metering cylinder (11), a stepping motor (14) is installed on the bottom wall of the inner cavity of the metering cylinder (11), and a lifting screw (15) is fixed to the output end of the stepping motor (14), and a push plate (16) for pushing the liquid medicine is threadedly connected to the outer wall of the lifting screw (15).

2. A boiler water treatment dosing device according to claim 1, characterized in that: The outer walls on both sides of the support column (8) are both fixed with limit slide blocks (10), and the inner walls on both sides of the fixed sleeve (6) are both provided with limit slide grooves for the limit slide blocks (10) to slide.

3. A boiler water treatment dosing device according to claim 1, characterized in that: Guide slide blocks (17) are fixed to both side outer walls of the push plate (16), and guide grooves for the guide slide blocks (17) to slide are formed on both side inner walls of the metering cylinder (11).

4. A boiler water treatment dosing device according to claim 1, characterized in that: A plurality of stirring paddles (5) are fixed to the outer walls of both sides of the stirring shaft (4), two feed hoppers are symmetrically mounted on the surface of the drug adding barrel (1), and two discharge pipes are symmetrically mounted on the bottom of the drug adding barrel (1).

5. A boiler water treatment dosing device according to claim 1, characterized in that: The partition plate (2) and the metering cylinder (11) are provided with flow guide holes at corresponding positions, a water inlet pipe (12) is installed in the flow guide holes of the partition plate (2) and the metering cylinder (11), and a plurality of water outlet holes are provided on the outer wall of the upper half of the metering cylinder (11).

6. A boiler water treatment dosing device according to claim 4, characterized in that: An installation groove is provided on one side outer wall of the dosing cartridge (1), an observation plate (18) is installed in the installation groove of the dosing cartridge (1), and a scale is provided on one side outer wall of the dosing cartridge (1).

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