Dosing device

Abstract

The utility model provides a dosing device which comprises a dosing tank, a first liquid medicine adding device is arranged on one side of the dosing tank, a second liquid medicine adding device is arranged on the other side of the dosing tank, the dosing tank comprises a tank body, and the tank body is respectively connected with an external water source and a dosing mixing system through pipelines. A stirring mechanism is erected on the tank body. The chemical adding device is reasonable in design, different flocculation chemicals can be switched according to needs through the arrangement of the first chemical adding device and the second chemical adding device, the problems that when an existing chemical adding device needs to replace chemicals, a chemical powder box needs to be cleaned, and time and labor are wasted are solved, meanwhile, the sludge dewatering production efficiency is improved, and specialized sludge dewatering production is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dosing device. BACKGROUND

[0002] At present, in the actual production process of sludge dewatering, sometimes different medicaments need to be replaced to adapt to different types of sludge, but the existing dosing device is generally one-to-one corresponding with the sludge treatment equipment, so when the medicament needs to be replaced, the medicament powder box on the dosing device needs to be cleaned and then new medicament is refilled, which is time-consuming and laborious and affects the overall sludge dewatering efficiency. SUMMARY

[0003] Therefore, the utility model aims at overcoming the defects in the prior art and provides a dosing device, which can switch different flocculating medicaments according to needs through the arrangement of the first medicament adding device and the second medicament adding device, solves the problem that the existing dosing device needs to clean the medicament powder box when the medicament needs to be replaced, saves time and labor, and improves the sludge dewatering production efficiency.

[0004] The utility model adopts the following scheme: a dosing device: including dosing pool, the dosing pool one side is provided with first medicament adding device, the other side of dosing pool is provided with second medicament adding device, the dosing pool includes pool body, the pool body is connected with the water source, dosing mixed system of outside through pipeline respectively, the pool body is erected with stirring mechanism.

[0005] Further, the first medicament adding device includes a powder conveying mechanism and a powder discharging mechanism, a bearing plate is installed on one side of the inner wall of the pool body, the powder conveying mechanism and the powder discharging mechanism are installed on the bearing plate, the powder discharging mechanism is located below the output end of the powder conveying mechanism, and the powder discharging mechanism is connected to the pool body.

[0006] Further, the powder conveying mechanism includes two support plates arranged symmetrically left and right, the support plates are fixed to the bearing plate, a storage box is horizontally arranged between the two support plates, the storage box is a funnel groove, a screw conveyor is installed on the output port of the lower end of the storage box, and the output end of the screw conveyor is located above the powder discharging mechanism.

[0007] Further, the powder discharging mechanism includes a powder dissolving tank, an overflow tank is arranged in the middle of the powder dissolving tank, the groove height of the overflow tank is smaller than that of the powder dissolving tank, a liquid outlet is formed in the bottom of the overflow tank and penetrates the bearing plate, the groove wall of the overflow tank is an inclined disc wall, the output end of the screw conveyor is located above the wall surface of the inclined disc wall, and a water inlet connected to an external water source is formed in the side of the dissolving tank.

[0008] Further, the stirring mechanism comprises a plurality of stirring machine fixing plates, each stirring machine fixing plate is fixed on the pool body at intervals, a plurality of grid bars are installed above the pool body corresponding to the stirring machine fixing plates, the two sides of the stirring machine fixing plate are installed on the corresponding adjacent two grid bars respectively, a vertical stirring rod driven by a motor is rotationally connected on the stirring machine fixing plate, the lower end of the stirring rod extends into the pool body, and stirring blades are installed on the stirring rod.

[0009] Further, the second chemical liquid adding device comprises a rack, the rack is installed on the side of the pool body, a chemical liquid dilution cylinder is installed on the rack, a dilution stirring device is installed in the chemical liquid dilution cylinder, the dilution stirring device comprises a vertical dilution stirring shaft driven by a motor, the dilution stirring shaft is rotationally connected to the upper portion of the chemical liquid dilution cylinder, the lower end of the dilution stirring shaft extends into the chemical liquid dilution cylinder, and dilution stirring blades are installed on the lower end of the dilution stirring shaft.

[0010] Further, the chemical liquid dilution cylinder is provided with an output port on the side of the lower portion of the pool body, an outlet pipe with a solenoid valve is connected to the output port, and the output end of the outlet pipe is located on the pool body.

[0011] Further, a concentrated chemical liquid barrel is arranged on the rack, the output end of the concentrated chemical liquid barrel is connected with the input end of the chemical liquid dilution cylinder through a pipeline with a metering pump, and the input end of the chemical liquid dilution cylinder is connected with an external water source through a pipeline of a water inlet pump.

[0012] Further, a water source inlet and a chemical adding outlet are arranged on the side of the pool body, the water source inlet is connected with an external water source through a pipeline with an on-off valve, and the chemical adding outlet is connected with an external chemical adding mixing system through a pipeline with a metering pump.

[0013] Compared with the prior art, the present application has the following advantages: the design is reasonable, the first chemical liquid adding device and the second chemical liquid adding device are arranged, different flocculating agents can be switched according to needs, the problem that the existing chemical adding device needs to be cleaned when the agent needs to be replaced is solved, time and labor are saved, the production efficiency of sludge dewatering is improved, and the professional sludge dewatering production is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a sectional view structural schematic diagram of the embodiment of the present application;

[0015] Fig. 2 It is a top view structural schematic diagram of the embodiment of the present application;

[0016] Fig. 3 It is a sectional view structural schematic diagram of the first chemical liquid adding device of the embodiment of the present application.

[0017] In the figure: 1 - dosing tank; 2 - first liquid medicine adding device; 3 - second liquid medicine adding device; 4 - tank body; 5 - stirring mechanism; 6 - liquid outlet; 7 - medicine powder conveying mechanism; 8 - medicine powder discharging mechanism; 9 - bearing plate; 10 - support plate; 11 - medicine storage box; 12 - auger conveying equipment; 13 - medicine powder dissolving tank; 14 - overflow tank; 15 - water inlet; 16 - mixer fixing plate; 17 - grid strip; 18 - motor; 19 - stirring rod; 20 - stirring blade; 21 - rack; 22 - liquid medicine dilution cylinder; 23 - dilution stirring shaft; 24 - dilution stirring blade; 25 - electromagnetic valve; 26 - liquid outlet pipe; 27 - concentrated liquid medicine barrel; 28 - opening; 29 - metering pump; 30 - water source inlet; 31 - dosing outlet. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and examples.

[0019] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as would be understood by one of ordinary skill in the art to which this application belongs.

[0020] It should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0021] As shown in Figs. 1-3 A dosing device: comprising a dosing tank 1, the dosing tank is provided with a first liquid medicine adding device 2 on one side, the dosing tank is provided with a second liquid medicine adding device 3 on the other side, the dosing tank comprises a tank body 4, the tank body is connected with the external water source and the dosing mixing system through pipelines respectively, the tank body is provided with a stirring mechanism 5, the first liquid medicine adding device and the second liquid medicine adding device are provided with first medicine and second medicine respectively, during use, the switching of the first liquid medicine adding device and the second liquid medicine adding device realizes the switching of the medicine, at the same time, the further stirring of the stirring mechanism realizes the final dilution of the liquid medicine in the tank body.

[0022] In the embodiment, in order to realize the medicine liquid discharging of the first medicine liquid adding device, the first medicine liquid adding device comprises a medicine powder conveying mechanism 7 and a medicine powder discharging mechanism 8, a bearing plate 9 is installed on the upper part of one side of the inner wall of the pool body, the medicine powder conveying mechanism and the medicine powder discharging mechanism are installed on the bearing plate, the medicine powder discharging mechanism is located below the output end of the medicine powder conveying mechanism, and the medicine powder discharging mechanism is communicated with the pool body. In use, the medicine powder is conveyed to the medicine powder discharging mechanism through the medicine powder conveying mechanism, and finally the medicine liquid formed by mixing water in the medicine powder discharging mechanism is input into the pool body. Further, the medicine powder conveying mechanism comprises left and right symmetrical support plates 10, the support plates are fixed on the bearing plate, a medicine storage box 11 is transversely arranged between the two support plates, the medicine storage box is a funnel groove, that is, the medicine storage box is a groove type with a large upper part and a small lower part, an existing auger conveying device 12 is installed on the lower end outlet of the medicine storage box, and the output end of the auger conveying device is located above the medicine powder discharging mechanism. In use, the medicine powder is poured into the large upper part of the medicine storage box, and then the medicine powder is sent out through the auger conveying device. The caked medicine powder can be crushed in the conveying process of the auger conveying device, which facilitates the dissolution of the medicine powder discharging mechanism. Meanwhile, the rotation speed of the auger motor can be controlled to preliminarily control the amount of medicine powder.

[0023] In the embodiment, in order to realize the preliminary dissolution of the medicine powder, the medicine powder discharging mechanism comprises a medicine powder dissolving groove 13, a overflow groove 14 is arranged in the middle part of the medicine powder dissolving groove, the groove height of the overflow groove is smaller than that of the medicine powder dissolving groove, a liquid outlet 6 penetrating through the bearing plate is arranged at the bottom of the overflow groove, the groove wall of the overflow groove is an inclined disc wall, the output end of the auger conveying device is located above the wall surface of the inclined disc wall, a water inlet 15 connected with an external water source is arranged on the side of the dissolving groove, that is, the external water source sends water to the dissolving groove through the water inlet, and the output end of the auger conveying device is located above the wall surface of the inclined disc wall, so that the medicine powder falls on the wall surface. When the area between the dissolving groove and the overflow groove is filled with water, the water flow will flow along the wall surface of the inclined disc wall of the overflow groove, and the medicine powder will be output from the liquid outlet, thereby realizing the preliminary dissolution and conveying of the medicine powder.

[0024] In the embodiment, in order to realize the further dilution and uniformity of the medicine output by the first medicine liquid adding device and the second medicine liquid adding device, the stirring mechanism comprises a plurality of mixer fixing plates 16, each mixer fixing plate is fixed on the pool body at intervals, a plurality of grid bars 17 are installed above the pool body corresponding to the mixer fixing plates, the two sides of the mixer fixing plate are respectively installed on the corresponding two adjacent grid bars, a vertical stirring rod 19 driven by a motor 18 is rotationally connected to the mixer fixing plate, the lower end of the stirring rod extends into the pool body, and a stirring blade 20 is installed on the stirring rod. In use, the stirring rod is driven to rotate by the motor, and the stirring blade is driven to rotate, thereby realizing the stirring of the liquid in the pool body.

[0025] In the embodiment, in order to realize the adding of the second medicine liquid adding device, the second medicine liquid adding device comprises a rack 21 which is installed on the side of the pool body, a medicine liquid dilution cylinder 22 is installed on the rack, a dilution stirring device is installed in the medicine liquid dilution cylinder, the dilution stirring device comprises a vertical dilution stirring shaft 23 which is driven by a motor, the dilution stirring shaft is rotationally connected to the top of the medicine liquid dilution cylinder, the lower end of the dilution stirring shaft extends into the medicine liquid dilution cylinder, and a dilution stirring blade 24 is installed on the lower end of the dilution stirring shaft. In use, the motor drives the stirring shaft and the dilution stirring blade to realize the uniform stirring of the liquid in the medicine liquid dilution cylinder. Further, an output port is arranged on the side of the pool body and at the lower part of the medicine liquid dilution cylinder, a liquid outlet pipe 26 with an electromagnetic valve 25 is connected to the output port, the output end of the liquid outlet pipe is located on the pool body, the electromagnetic valve can be an existing electromagnetic switch valve which can control the flow, the medicine liquid of the second medicine liquid adding device is delivered by controlling the electromagnetic valve, when the medicine needs to be switched, the first medicine liquid adding device is closed first, then the output of the second medicine is gradually controlled by the electromagnetic valve, at the same time, the liquid containing the first medicine is continuously discharged from the pool body, the first medicine is gradually replaced by the second medicine, and the replacement of the medicine is realized.

[0026] In the embodiment, in order to realize the adding of the liquid in the medicine liquid dilution cylinder, a concentrated medicine liquid barrel 27 is arranged on the rack, an opening 28 for liquid inlet is arranged on the concentrated medicine liquid barrel, the output end of the concentrated medicine liquid barrel is located at the bottom of the concentrated medicine liquid barrel, the output end of the concentrated medicine liquid barrel is connected with the input end of the medicine liquid dilution cylinder through a pipeline with an existing metering pump 29, the metering pump is used to realize the quantitative delivery of the concentrated medicine liquid, the input end of the medicine liquid dilution cylinder is connected with an external water source through a pipeline of a water inlet pump, and the input end of the medicine liquid dilution cylinder can be located at the top, that is, the input end of the medicine liquid dilution cylinder is located at the top and at the side of the dilution stirring device, and no interference is caused.

[0027] In the embodiment, in order to design reasonably, a water source inlet 30 and a medicine adding outlet 31 are arranged on the side of the pool body, the water source inlet is connected with an external water source through a pipeline with an on-off valve, and the medicine adding outlet is connected with an external medicine adding mixing system through a pipeline with a metering pump.

[0028] Unless otherwise stated, if the above-mentioned any technical scheme of the utility model discloses a numerical range, the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values. Since there are too many values, it is impossible to enumerate them all, therefore, the utility model only discloses part of the values to illustrate the technical scheme of the utility model, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the utility model.

[0029] If the words "first", "second" and the like are used in this document to describe various elements, it should be understood that these designations are only used to distinguish between the elements from one another. Unless otherwise stated, the words "first", "second", and the like do not imply a particular order or sequence.

[0030] If the utility model for the public or involved in the mutual fixed connection of parts or structural parts, then, except otherwise declared, fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), but also can be understood as: non-detachable fixed connection (such as riveting, welding), of course, the mutual fixed connection can also be replaced by integral structure (for example, using casting process integral forming is manufactured) (obviously can not be used integral forming process except).

[0031] In addition, the above-mentioned any one of the technical solutions disclosed by the utility model is applied to the position relationship, for example, "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like. The orientation or position relationship indicated by the direction or position relationship shown in the drawing is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the patent, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation of the patent, and the above-mentioned any one of the technical solutions disclosed by the utility model is applied to the shape of the term, except otherwise declared, its meaning includes the shape similar, similar or close to the shape.

[0032] Any component provided by the utility model can be assembled by a plurality of separate components, or can be a separate component manufactured by integral forming process.

[0033] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the utility model can be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should be covered in the technical solution range of the utility model claimed by the utility model.

Claims

1. A dosing device, characterized in that: The system includes a dosing tank, with a first liquid dosing device on one side and a second liquid dosing device on the other side. The dosing tank includes a tank body, which is connected to an external water source and a dosing and mixing system via pipelines. A stirring mechanism is mounted on the tank body. The first liquid dosing device includes a powder conveying mechanism and a powder dispensing mechanism. A support plate is installed on the upper part of one side of the inner wall of the tank. The powder conveying mechanism and the powder dispensing mechanism are mounted on the support plate. The powder dispensing mechanism is located below the output end of the powder conveying mechanism and is connected to the inside of the tank.

2. The dosing device according to claim 1, characterized in that; The powder conveying mechanism includes symmetrically arranged support plates, which are fixed to a bearing plate. A medicine storage box is placed horizontally between the two support plates. The medicine storage box is a funnel-shaped trough. An auger conveyor is installed on the lower output port of the medicine storage box. The output end of the auger conveyor is located above the powder feeding mechanism.

3. The dosing device according to claim 2, characterized in that; The powder feeding mechanism includes a powder dissolving tank, an overflow tank in the middle of the powder dissolving tank, the height of the overflow tank being less than the height of the powder dissolving tank, an outlet penetrating the support plate at the bottom of the overflow tank, the tank wall of the overflow tank being an inclined disc wall, the output end of the auger conveyor being located above the inclined disc wall, and an inlet connected to an external water source being provided on the side of the dissolving tank.

4. The dosing device according to claim 1, characterized in that; The mixing mechanism includes several mixer fixing plates, each mixer fixing plate is fixed to the tank body at intervals, and several grid strips are installed above the tank body corresponding to the mixer fixing plates. The two sides of the mixer fixing plates are respectively installed on two adjacent grid strips. A vertical mixing rod driven by a motor is rotatably connected to the mixer fixing plate. The lower end of the mixing rod extends into the tank body, and mixing blades are installed on the mixing rod.

5. The dosing device according to claim 1, characterized in that; The second drug solution addition device includes a frame installed on the side of the tank. A drug solution dilution cylinder is installed on the frame. A dilution and stirring device is installed inside the drug solution dilution cylinder. The dilution and stirring device includes a vertical dilution and stirring shaft driven by a motor. The dilution and stirring shaft is rotatably connected to the upper part of the drug solution dilution cylinder. The lower end of the dilution and stirring shaft extends into the drug solution dilution cylinder. Dilution and stirring blades are installed on the lower end of the dilution and stirring shaft.

6. The dosing device according to claim 5, characterized in that; The drug dilution cylinder has an outlet on the lower part of the side facing the pool body. The outlet is connected to a liquid outlet pipe with a solenoid valve, and the output end of the liquid outlet pipe is located on the pool body.

7. The dosing device according to claim 6, characterized in that; The frame is equipped with a concentrated medicine tank. The output end of the concentrated medicine tank is connected to the input end of the medicine dilution cylinder via a pipeline with a metering pump. The input end of the medicine dilution cylinder is connected to an external water source via a pipeline with a water inlet pump.

8. The dosing device according to claim 1, characterized in that; The tank body has a water inlet and a chemical dosing outlet on its side. The water inlet is connected to an external water source via a pipeline with a switch valve, and the chemical dosing outlet is connected to an external chemical mixing system via a pipeline with a metering pump.

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