Automatic dosing device for sewage treatment

Abstract

The utility model discloses an automatic dosing device for sewage treatment, which comprises a medicine mixing tank, one side of the top wall of the medicine mixing tank is provided with a dosing port, the middle of the upper surface of the medicine mixing tank is fixedly provided with a motor, the output end of the bottom of the motor is provided with a stirring assembly, the stirring assembly is positioned in the medicine mixing tank, the bottom wall of the medicine mixing tank is fixedly connected with a medicine discharge pipe, and the medicine discharge pipe is fixedly connected with the bottom of the medicine mixing tank. The bottom end of the pesticide discharging pipe is rotationally connected with a pipe sleeve through a sealing bearing, a bent pipe is fixed to the bottom end of the pipe sleeve, and the other end of the bent pipe is connected with a plurality of pesticide spraying assemblies which can be spliced. According to the chemical mixing device, the chemical mixing tank, the motor, the stirring assembly, the chemical discharging pipe, the bent pipe, the chemical spraying assembly and the air inflation assembly are arranged, water is added after solid and liquid chemicals are added into the chemical mixing tank, the stirring assembly is driven by the motor to mix the chemicals, the chemicals are dissolved in the water, follow-up sewage treatment is facilitated, air is inflated into the water through the air inflation assembly in the process, and the chemical mixing effect is improved. The water and the medicament are continuously rolled during mixing, so that the stirring and mixing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially sewage treatment automatic dosing device. BACKGROUND

[0002] Sewage treatment is the process that sewage reaches the water quality requirement of being discharged into a water body or being drunk again, is purified, is widely used in construction, agriculture, traffic, energy, petrochemical, environmental protection, city landscape, medical treatment, catering and each field, also more and more walks into the daily life of ordinary people, thereby needing to inject certain medicine into the sewage treatment device in the process of sewage treatment, thereby will use the dosing device, and the dosing system is a complete equipment integrated with dosing, stirring, liquid conveying and automatic control.

[0003] The existing sewage treatment dosing device only rotates the stirring blade driven by the motor to realize the advance premixing of the medicament and water, so that the solid or liquid medicament is dissolved in the water in advance, which is beneficial to the subsequent sewage treatment efficiency. However, the mixing efficiency of the medicament and water is relatively low due to the single stirring form. In addition, after the completion of the mixing of the medicament, the medicament cannot be uniformly sprayed into the sewage pool due to the fixed position of the medicament discharge port of the device. Therefore, in view of the above-mentioned shortcomings, the utility model provides a sewage treatment automatic dosing device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a sewage treatment automatic dosing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sewage treatment automatic dosing device, which comprises a medicine mixing tank, a medicine inlet is formed in one side of the top wall of the medicine mixing tank, a motor is fixedly installed on the middle part of the upper surface of the medicine mixing tank, a stirring assembly is installed on the output end of the bottom of the motor, and the stirring assembly is located in the interior of the medicine mixing tank, a medicine discharge pipe is fixedly connected to the bottom wall of the medicine mixing tank, a pipe sleeve is rotatably connected to the bottom end of the medicine discharge pipe through a sealing bearing, a bend pipe is fixed to the bottom end of the pipe sleeve, a plurality of spout assemblies that can be spliced are connected to the other end of the bend pipe, a threaded plug head matched with the spout assembly is arranged, an inflation assembly that inflates the interior of the medicine mixing tank is installed on the outer wall of the medicine mixing tank, a controller and a pressure gauge are installed on the outer wall of the medicine mixing tank, and the pressure gauge is electrically connected with the controller.

[0006] Further, the stirring assembly comprises a vertical shaft penetrating through the top wall and the bottom wall of the medicine mixing tank, the vertical shaft is rotatably connected with the medicine mixing tank through a sealing bearing, the top end of the vertical shaft is fixedly connected with the output end of the motor, a plurality of stirring rods and a propelling type stirring blade are fixed to the surface of the vertical shaft, and the propelling type stirring blade and the stirring rods are located in the interior of the medicine mixing tank.

[0007] Further, the bottom end of the vertical shaft is located outside the mixing tank and is fixedly connected with a driving gear, and the surface of the elbow pipe is fixedly provided with a driven gear, which is engaged with the driving gear.

[0008] Further, each of the medicine spraying assemblies comprises a horizontal pipe, a plurality of medicine spraying holes are formed in the side wall of the horizontal pipe, a threaded connector is fixedly arranged at one end of the horizontal pipe, and internal threads are arranged on the inner wall of the other end of the horizontal pipe and the inner wall of the elbow pipe for screwing in the threaded connector.

[0009] Further, an electromagnetic valve is arranged in the middle of the medicine discharging pipe and is electrically connected with the controller.

[0010] Further, the air charging assembly comprises an air pump fixed to the outer side wall of the mixing tank, an air charging pipe is fixedly connected to the air outlet of the air pump, the other end of the air charging pipe extends to the bottom through the side wall of the mixing tank, a one-way valve is arranged on the end of the air charging pipe close to the air pump, and the air pump is electrically connected with the controller.

[0011] Further, a sealing cover is rotatably connected to the surface of the medicine adding opening through threads.

[0012] The sewage treatment automatic medicine adding device has the advantages that:

[0013] 1. When the sewage treatment automatic medicine adding device is used, the mixing tank, the motor, the stirring assembly, the medicine discharging pipe, the elbow pipe, the medicine spraying assembly and the air charging assembly are arranged, solid and liquid medicaments are added into the mixing tank, water is added, the stirring assembly is driven by the motor to mix the medicaments, the medicaments are dissolved in the water, and the subsequent sewage treatment is facilitated; in this process, the air charging assembly is used to charge air into the water, the water and the medicaments are constantly rolled when being mixed, and the stirring and mixing efficiency is improved.

[0014] 2. When the sewage treatment automatic medicine adding device is used, the motor, the stirring assembly and the medicine spraying assembly are arranged, the vertical shaft of the stirring assembly is driven to rotate by the motor after the medicaments and the water are mixed in the mixing tank, the medicine spraying assembly is driven to rotate by the driving gear at the bottom of the vertical shaft, the medicaments are uniformly and comprehensively sprayed into the sewage pool, the length of the medicine spraying assembly can be flexibly spliced according to the width of the sewage pool, and the medicine adding device has better flexibility and adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0016] Figure 1: the overall perspective view of the utility model;

[0017] Figure 2 : the overall sectional view of the utility model;

[0018] Figure 3 : the utility model discloses Figure 2 : the utility model discloses

[0019] The signs are as follows:

[0020] 1, mixing tank 2, add medicine mouth 3, motor 4, stirring assembly 41, vertical shaft 42, push type stirring blade 43, stirring rod 44, driving gear 5, medicine discharge pipe 51, pipe sleeve 6, electromagnetic valve 7, elbow 71, driven gear 8, spray assembly 81, horizontal pipe 82, spray hole 83, threaded connector 9, threaded plug 10, sealing cover 11, inflation assembly 111, air pump 112, inflation pipe 113, check valve 12, pressure gauge 13, controller. Specific embodiments

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As Figures 1-3 shown, it relates to a kind of automatic dosing device for sewage treatment, including mixing tank 1, mixing tank 1 top wall one side is equipped with add medicine mouth 2, and mixing tank 1 upper surface middle part is fixedly installed with motor 3, and motor 3 bottom output end is installed with stirring assembly 4, and stirring assembly 4 is located in mixing tank 1 interior, and mixing tank 1 bottom wall is fixedly connected with medicine discharge pipe 5, and medicine discharge pipe 5 bottom end is rotatably connected with pipe sleeve 51 by sealing bearing, and pipe sleeve 51 bottom end is fixed with elbow 7, and elbow 7 other end is connected with the multiple spray assemblies 8 of splicing, and threaded plug 9 matched with spray assembly 8 is equipped, and mixing tank 1 outer wall is installed with inflation assembly 11 to the inflation of mixing tank 1 interior, and mixing tank 1 outer wall is installed with controller 13 and pressure gauge 12, and pressure gauge 12 is electrically connected with controller 13.

[0023] In the embodiment, controller 13 adopts Mitsubishi FX1N, can detect the pressure in mixing tank 1 by pressure gauge 12, then the pressure value is fed back to controller 13, and other electronic components are controlled by controller 13 to work.

[0024] The stirring assembly 4 comprises a vertical shaft 41 penetrating through the top wall and the bottom wall of the mixing tank 1, and the vertical shaft 41 is rotationally connected with the mixing tank 1 through a sealing bearing, the top end of the vertical shaft 41 is fixedly connected with the output end of the motor 3, the surface of the vertical shaft 41 is fixed with a propeller stirring blade 42 and a plurality of stirring rods 43, and the propeller stirring blade 42 and the stirring rods 43 are located inside the mixing tank 1, and the motor 3 is electrically connected with the controller 13.

[0025] The controller 13 can control the motor 3 to drive the vertical shaft 41 to rotate, and the propeller stirring blade 42 and the plurality of stirring rods 43 are driven to rotate by the vertical shaft 41, so as to stir and mix the medicament and water in the mixing tank 1.

[0026] The bottom end of the vertical shaft 41 is located outside the mixing tank 1 and is fixedly connected with a driving gear 44, the surface of the elbow pipe 7 is fixedly connected with a driven gear 71, and the driven gear 71 is engaged with the driving gear 44.

[0027] Under the driving action of the driving gear 44 and the driven gear 71, the motor 3 can also drive the elbow pipe 7 to rotate, and the elbow pipe 7 drives the plurality of spliced pesticide spraying assemblies 8 to rotate, so that the medicament can be uniformly sprayed in the sewage tank.

[0028] Each pesticide spraying assembly 8 comprises a horizontal pipe 81, a plurality of pesticide spraying holes 82 are formed in the side wall of the horizontal pipe 81, a threaded connector 83 is fixedly connected to one end of the horizontal pipe 81, and the inner wall of the other end of the horizontal pipe 81 and the inner wall of the elbow pipe 7 are provided with internal threads for screwing in the threaded connector 83.

[0029] When the pesticide spraying assemblies 8 are spliced, the threaded connector 83 at the end of one horizontal pipe 81 is screwed into the internal threads at the end of another horizontal pipe 81, so as to splice the adjacent two horizontal pipes 81, and in actual use, a plurality of horizontal pipes 81 matched with the width of the sewage tank can be spliced according to the width of the sewage tank, and after the splicing of the pesticide spraying assemblies 8 is completed, the threaded connector 83 on the endmost horizontal pipe 81 is screwed into the elbow pipe 7, and the threaded plug 9 is screwed into the other end of the plurality of spliced horizontal pipes 81 to achieve sealing.

[0030] The electromagnetic valve 6 is mounted in the middle of the pesticide discharging pipe 5, and the electromagnetic valve 6 is electrically connected with the controller 13.

[0031] The controller 13 can control the opening and closing of the electromagnetic valve 6, and when the electromagnetic valve 6 is opened, the mixture of medicament and water in the mixing tank 1 can enter the elbow pipe 7 along the pesticide discharging pipe 5, and then enter the horizontal pipe 81 of the pesticide spraying assembly 8.

[0032] The air charging assembly 11 comprises an air pump 111 fixed to the outer side wall of the mixing tank 1, an air charging pipe 112 is fixedly connected to the air outlet of the air pump 111, the other end of the air charging pipe 112 extends to the bottom through the side wall of the mixing tank 1, a one-way valve 113 is mounted on the end of the air charging pipe 112 close to the air pump 111, and the air pump 111 is electrically connected with the controller 13.

[0033] The air pump 111 can be controlled to start or stop by the controller 13, when the air pump 111 starts, air is filled into the inside of the mixing tank 1, and the mixture of the medicament and water is rolled in the inside of the mixing tank 1.

[0034] The sealing cover 10 is threadedly connected to the surface of the medicament adding opening 2. By screwing the sealing cover 10 to the surface of the medicament adding opening 2, the medicament adding opening 2 can be closed.

[0035] Working principle: when installing, the mixing tank 1 is fixed on the top center of the sewage pool through the iron truss, then a plurality of horizontal pipes 81 are spliced at the end of the elbow pipe 7, and finally the threaded plug 9 is screwed on the horizontal pipe 81 away from the elbow pipe 7, thereby completing the installation of the device. When using, the sealing cover 10 is unscrewed, the medicament and water are added into the inside of the mixing tank 1 from the medicament adding opening 2, and then the device is started by the controller 13, first the motor 3 drives the vertical shaft 41 to rotate, thereby driving the propeller stirring blade 42 and the stirring rod 43 to rotate, realizing the stirring and mixing of the medicament and water, at the same time, the air pump 111 is started to fill air into the inside of the mixing tank 1, so that the medicament and water are constantly rolled, the mixing efficiency is improved, and the air filled into the mixing tank 1 is discharged from the medicament adding opening 2. When the mixing is completed, the sealing cover 10 is screwed to realize the sealing of the inside of the mixing tank 1, at this time, the air pump 111 continues to fill air into the inside of the mixing tank 1, when the pressure detected by the pressure gauge 12 reaches the preset value, the controller 13 controls the air pump 111 to stop working, then the controller 13 controls the electromagnetic valve 6 to open, the medicament enters the horizontal pipe 81 along the medicament discharging pipe 5 and the elbow pipe 7, and finally is sprayed out from the medicament spraying hole 82 under the action of pressure. During the spraying process, since the motor 3 drives the vertical shaft 41 to rotate, the driving gear 44 at the bottom of the vertical shaft 41 drives the elbow pipe 7 and the plurality of horizontal pipes 81 to rotate, thereby expanding the spraying range, so that the medicament is sprayed more uniformly.

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A sewage treatment automatic dosing device, comprising a mixed medicine tank (1), characterized in that: The medicine mixing tank (1) top wall one side is provided with a dosing opening (2), and the medicine mixing tank (1) upper surface middle part is fixedly provided with a motor (3), the motor (3) bottom output end is provided with a stirring assembly (4), and the stirring assembly (4) is located in the medicine mixing tank (1) inside, the medicine mixing tank (1) bottom wall is fixedly connected with a medicine discharging pipe (5), and the medicine discharging pipe (5) bottom end is rotatably connected with a pipe sleeve (51) through a sealing bearing, the pipe sleeve (51) bottom end is fixedly provided with a bend pipe (7), the bend pipe (7) other end is connected with a plurality of spouts (8) that can be spliced, and the spouts (8) are matched with threaded plugs (9), the medicine mixing tank (1) outer wall is provided with a gas charging assembly (11) that inflates the medicine mixing tank (1) inside, and the medicine mixing tank (1) outer wall is provided with a controller (13) and a pressure gauge (12), the pressure gauge (12) is electrically connected with the controller (13).

2. The automatic dosing device for sewage treatment according to claim 1, characterized in that: The stirring assembly (4) includes a vertical shaft (41) penetrating the top wall and the bottom wall of the medicine mixing tank (1), and the vertical shaft (41) is rotatably connected with the medicine mixing tank (1) through a sealing bearing, the vertical shaft (41) top end is fixedly connected with the motor (3) output end, the vertical shaft (41) surface is fixedly provided with a propeller stirring blade (42) and a plurality of stirring rods (43), and the propeller stirring blade (42) and the stirring rods (43) are located in the medicine mixing tank (1) inside, and the motor (3) is electrically connected with the controller (13).

3. The automatic dosing device for sewage treatment according to claim 2, characterized in that: The vertical shaft (41) bottom end is located outside the medicine mixing tank (1) and is fixedly connected with a driving gear (44), the bend pipe (7) surface is fixedly provided with a driven gear (71), and the driven gear (71) is engaged with the driving gear (44).

4. The automatic dosing device for sewage treatment according to claim 1, characterized in that: Each of the spouts (8) includes a horizontal pipe (81), a plurality of medicine spraying holes (82) are formed in the side wall of the horizontal pipe (81), a threaded connector (83) is fixedly connected to one end of the horizontal pipe (81), and internal threads are formed in the inner walls of the other end of the horizontal pipe (81) and the bend pipe (7) for screwing in the threaded connector (83).

5. The automatic dosing device for sewage treatment according to claim 1, characterized in that: The medicine discharging pipe (5) is provided with an electromagnetic valve (6) in the middle part, and the electromagnetic valve (6) is electrically connected with the controller (13).

6. The automatic dosing device for sewage treatment according to claim 1, characterized in that: The gas charging assembly (11) includes a gas pump (111) fixed to the outer wall of the medicine mixing tank (1), a gas charging pipe (112) is fixedly connected to the gas outlet of the gas pump (111), and the other end of the gas charging pipe (112) extends to the bottom through the side wall of the medicine mixing tank (1), a one-way valve (113) is installed on the end of the gas charging pipe (112) close to the gas pump (111), and the gas pump (111) is electrically connected with the controller (13).

7. The automatic dosing device for sewage treatment according to claim 1, characterized in that: The dosing opening (2) surface is rotatably connected with a sealing cover (10) through threads.

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