CN115385406B

CN115385406B - Automatic medicament filling device for sewage treatment

Info

Publication number: CN115385406B
Application number: CN202211341555.3A
Authority: CN
Inventors: 王森林; 陈豪
Original assignee: Quanzhou Institute of Equipment Manufacturing
Current assignee: Quanzhou Institute of Equipment Manufacturing
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-03
Anticipated expiration: 2042-10-31
Also published as: CN115385406A

Abstract

The invention provides an automatic medicament filler for sewage treatment, which comprises a rack, a feeding assembly and a homogenizing assembly, wherein the feeding assembly is arranged on the rack; the feeding assembly comprises a storage tank, a material pipe and a first electric valve, one end of the material pipe extends to the bottom of the inner side of the storage tank, the other end of the material pipe is communicated to a kettle body of the homogenizing assembly through a first connecting pipe, and the first electric valve is assembled on the first connecting pipe; the mixing assembly comprises a kettle body, a motor, a rotating shaft and blades, wherein the kettle body is fixedly arranged on the frame, the rotating shaft is rotatably arranged in the kettle body, the blades are fixedly arranged on the rotating shaft, and the top end of the rotating shaft is connected with the motor in a transmission manner. The feeding assembly of the invention uses vacuum technology to extract materials, can realize the automatic timing and quantitative filling of liquid and powder medicaments, and solves the problem of powder blockage; the cooling assembly is linked with the homogenizing assembly, and the sewage to be treated is utilized to circularly cool the equipment heat source, so that the heat dissipation cost is saved.

Description

Automatic medicament filler for sewage treatment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an automatic chemical filling device for sewage treatment.

Background

In the process of sewage treatment, various medicaments need to be added into the sewage, the existing adding method comprises manual feeding and machine feeding, and the manual feeding has the risk of inhalation and poses the threat to health; meanwhile, the manual feeding needs to weigh the medicament in advance to ensure the accurate feeding amount, but the process is complicated and time-consuming and labor-consuming; although the above problems can be solved by the machine feeding, the following defects still exist: firstly, the existing feeding device is lack of a rapid heat dissipation design, so that heat generated during the operation of equipment cannot be rapidly dissipated, and the equipment which is in a high temperature state for a long time is easy to age and damage; secondly, the existing feeding device has single function and cannot simultaneously meet the requirements of filling solid medicament and liquid medicament, so that multiple feeding devices are required, the equipment cost is increased, and a discharge port is easy to block when powder filling is carried out; thirdly, most of the existing feeding devices directly feed the medicament into the sewage treatment tank, so that the medicament cannot be rapidly and uniformly distributed in the sewage treatment tank, and the sewage treatment efficiency is poor.

Disclosure of Invention

Therefore, in order to solve the problems, the invention provides an automatic chemical filling device for sewage treatment.

In order to realize the technical problem, the solution scheme adopted by the invention is as follows: the automatic chemical filling device for sewage treatment comprises a frame, a feeding assembly and a homogenizing assembly;

the feeding assembly comprises a storage tank, a material pipe and a first electric valve, one end of the material pipe extends to the bottom of the inner side of the storage tank, the other end of the material pipe is communicated to a kettle body of the homogenizing assembly through a first connecting pipe, and the first electric valve is assembled on the first connecting pipe;

the material homogenizing assembly comprises a kettle body, a motor, a rotating shaft and blades, wherein the kettle body is fixedly arranged on the rack, the rotating shaft is rotatably arranged in the kettle body, the blades are fixedly arranged on the rotating shaft, the top end of the rotating shaft is in transmission connection with the motor, and an outlet at the bottom of the kettle body is sequentially connected with a second electric valve, a pressure pump and a spray head through connecting pipes;

the first electric valve, the second electric valve and the motor are all electrically connected with the controller.

The further improvement is that: still include the vacuum pump, the vacuum pump passes through the second connecting pipe and connects the cauldron body, the vacuum pump is connected with the controller electricity.

The further improvement is that: still include the cooling subassembly, the cooling subassembly is including the coil pipe more than two of establishing ties in proper order, with the same heating panel of coil pipe quantity, filter and the mechanism of drawing water, more than two the coil pipe is established ties in proper order and becomes the heat dissipation route, the mechanism of drawing water sets up in the one end of heat dissipation route to make rivers by this heat dissipation route in one-way flow, the filter sets up in the other end of heat dissipation route to water to getting into in the heat dissipation route filters, the heating panel respectively with motor, controller and vacuum pump fixed connection.

The further improvement is that: the mechanism of drawing water has the piston including jar, check valve and the linkage external member of drawing water, and the sealed slidable mounting has the piston in the jar of drawing water, and the inlet tube and outlet pipe are installed to the lower chamber of jar of drawing water, the inlet tube with heat dissipation route's tip intercommunication, connect the drainage pipe on the outlet pipe, the check valve assembly on the heat dissipation route to make rivers get into the one-way flow in heat dissipation route by filter one end, the linkage external member set up in the piston with between the motor, in order to pass through the motor drives the piston and makes sharp reciprocating motion in the jar of drawing water.

The further improvement is that: the number of the one-way valves is two, and the number of the coil pipes is two.

The further improvement is that: the linkage external member comprises a first belt wheel, a second belt wheel, a first connecting rod and a second connecting rod, wherein a synchronous belt is wound between the first belt wheel and the second belt wheel, the first belt wheel is coaxially fixed with a transmission shaft of the motor, the second belt wheel is rotatably arranged around the axis of the second belt wheel, one end of the second connecting rod is hinged to the piston, the other end of the second connecting rod is rotatably connected with one end of the first connecting rod, a second connecting shaft is fixedly mounted at the other end of the first connecting rod, the second connecting shaft is rotatably arranged around the axis of the second connecting rod, a first connecting shaft is coaxially and fixedly mounted on the second belt wheel, a first bevel gear is fixedly connected to the end of the first connecting shaft, a second bevel gear is fixedly connected to the end of the second connecting shaft, and the first bevel gear is meshed with the second bevel gear.

The further improvement is that: the protective housing is covered on the outer side of the first belt wheel, the second belt wheel and the synchronous belt and fixed on the kettle body.

The further improvement is that: the top fixed mounting of protective housing has the support, the second connecting axle rotates to wear to locate on the support.

The further improvement is that: the number of the feeding assemblies is four.

The further improvement is that: the storage tank top is installed sealed lid, fixed mounting has the surge damping valve on the sealed lid.

By adopting the technical scheme, the invention has the beneficial effects that:

the feeding assembly extracts materials by using a vacuum technology, can realize the automatic regular and quantitative filling of liquid and powder medicaments, has higher integration degree, reduces the equipment cost and solves the problem of powder blockage; the cooling assembly is linked with the homogenizing assembly, and the sewage to be treated is utilized to circularly cool the heat source of the equipment, so that the heat dissipation cost is saved; the invention is provided with the feeding assembly, and can automatically prepare a medicament into a large amount of solution, so that uniform feeding is realized, and the sewage treatment efficiency is improved.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic bottom perspective view of the stand of the present invention;

FIG. 3 is a schematic overall front view of the present invention;

FIG. 4 is an enlarged view of the structure of the area A in FIG. 3;

FIG. 5 is a schematic view of a main sectional structure of the autoclave body of the present invention;

FIG. 6 is a perspective view of the cooling assembly of the present invention;

in the figure: the device comprises a rack 1, a support 10, a controller 11 and a protective shell 12;

the device comprises a feeding assembly 2, a storage tank 20, a sealing cover 21, a pressure maintaining valve 22, a material pipe 23, a first connecting pipe 24, a first electric valve 25, a vacuum pump 26 and a second connecting pipe 27;

the cooling device comprises a cooling component 3, a first belt pulley 31, a synchronous belt 32, a second belt pulley 33, a first connecting shaft 34, a first bevel gear 35, a second bevel gear 36, a second connecting shaft 37, a first connecting rod 38, a second connecting rod 39, a piston 310, a water pumping tank 311, a water inlet pipe 312, a third connecting pipe 313, a first coil pipe 314, a fourth connecting pipe 315, a second coil pipe 316, a fifth connecting pipe 317, a first check valve 318, a filter 319, a water outlet pipe 320, a second check valve 321, a water outlet pipe 322, a first heat dissipation plate 323 and a second heat dissipation plate 324;

the material homogenizing assembly 4, a rotating shaft 40, a paddle 41, a second electric valve 42, a sixth connecting pipe 43, a pressurizing pump 44, a seventh connecting pipe 45, a spray head 46, a kettle body 47 and a motor 48.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments.

The embodiment is as follows:

referring to fig. 1-4, the embodiment of the invention discloses an automatic chemical filling device for sewage treatment, which comprises a frame 1, a feeding assembly 2 and a homogenizing assembly 4, wherein the frame 1 is used as a bottom bearing part, and other devices are arranged on the frame 1; the feeding assemblies 2 are at least two and are used for storing different types of medicaments or other additives and filling the different types of medicaments or other additives into the kettle body 47 of the homogenizing assembly 4 according to a set amount for mixing, so that the quantitative filling of the different types of medicaments is realized, the number of the feeding assemblies 2 can be selected according to the types of the medicaments added according to actual needs, and can be two, three or four, in the embodiment, the number of the feeding assemblies 2 is four, and four different types of medicaments or other additives can be stored at the same time; the homogenizing assembly 4 is used for mixing a plurality of medicaments from different feeding assemblies 2 to prepare mixed liquid medicine, and spraying the mixed liquid medicine into a treatment tank (not shown in the figure) to disinfect sewage in the treatment tank.

Referring to fig. 5, in this embodiment, specifically, the feeding assembly 2 includes a storage tank 20, a material pipe 23 and a first electric valve 25, the storage tank 20 is fixedly installed on the frame 1, a sealing cover 21 is disposed on the top of the storage tank, a pressure maintaining valve 22 is installed on the sealing cover 21, one end of the material pipe 23 extends to the bottom of the inner side of the storage tank 20, and the other end is communicated to the kettle body 47 of the homogenizing assembly 4 through a first connecting pipe 24; the first electric valve 25 is assembled on the first connecting pipe 24 and controlled by the controller 11, and the controller 11 sends an opening or closing signal to the first electric valve 25 to realize opening and closing adjustment.

Through the arrangement, the medicament is stored in the storage tank 20 and enters the kettle body 47 through the material pipe 23 to be mixed, so that mixed liquid medicament is prepared. The first electric valve 25 controls the on-off of the passage between the material storage tank 20 and the kettle body 47, and has a flow metering function, that is, when the flow of a certain medicament reaches a set flow, the first electric valve 25 is closed, so as to realize the metering and material taking of the liquid medicament.

In this embodiment, the pressure equipment for drawing liquid can adopt the drawing liquid pump, and every reinforced subassembly 2 is equipped with a drawing liquid pump promptly to install the drawing liquid pump on first connecting pipe 24, different drawing liquid pumps are used for drawing the medicament in the different storage tanks 20, but it has equipment quantity many, and is with high costs, the inconvenient problem of assembly, and is more important, and its unable pump sending powder medicament has stronger limitation. In order to solve this problem, this embodiment preferably adopts vacuum pump 26, vacuum pump 26 passes through second connecting pipe 27 and connects cauldron body 47 for produce the negative pressure to the inner chamber of cauldron body 47, and cooperate a plurality of first motorised valves 25, with the fixed amount of absorbing the medicament in the mode of absorption by different storage tanks 20, it not only can be suitable for liquid medicament, still is applicable to the powder medicament, when reaching a tractor serves several purposes, the energy saving reduces and uses the maintenance cost, and reduces or even eliminates the limitation of being suitable for to the medicament form.

In this embodiment, specifically, the homogenizing assembly 4 includes a kettle body 47, a motor 48, a rotating shaft 40 and a paddle 41, the kettle body 47 is fixedly installed on the frame 1, the rotating shaft 40 is rotatably disposed inside the kettle body 47, the paddle 41 is fixedly installed on the rotating shaft 40, and the top end of the rotating shaft 40 extends out of the kettle body 47 and is in transmission connection with the motor 48. The motor 48 rotates to drive the rotating shaft 40 and the paddle 41 to synchronously rotate, the vacuum pump 26 extracts air in the kettle body 47 to generate negative pressure, the first electric valve 25 is matched to quantitatively absorb a plurality of medicaments in the plurality of storage tanks 20, and the rotating paddle 41 mixes and stirs the plurality of medicaments to prepare mixed liquid medicine. The bottom outlet of the kettle 47 is connected with a second electric valve 42, a booster pump 44 and a spray nozzle 46 in sequence through connecting pipes. Specifically, the second electric valve 42 is mounted at an outlet at the bottom of the kettle 47, the second electric valve 42 is connected to the pressure pump 44 through a sixth connecting pipe 43, an outlet end of the pressure pump 44 is connected to a seventh connecting pipe 45, and a nozzle 46 is mounted at an end of the seventh connecting pipe 45. The second electric valve 42 is controlled by the controller 11 and is used for opening or closing the opening and closing of the outlet of the kettle body 47, and the mixed liquid medicine flows out through the second electric valve 42, is pressurized by the booster pump 44 and then is sprayed to the treatment tank through the spray nozzle 46 so as to disinfect the sewage in the treatment tank.

Referring to fig. 6, in this embodiment, because the motor 48, the controller 11, and the vacuum pump 26 continuously operate, a large amount of heat is generated, and if the heat is not dissipated in time, the device aging is accelerated, and the service life is reduced.

During the use, correspond fixed mounting with the coil pipe on the heating panel, with heating panel fixed mounting treat the radiating equipment on, the both ends of heat dissipation route all let in the treatment pond, make the water in the treatment pond one-way circulation flow in the heat dissipation route through the mechanism that draws water, so that treat that the heat that the radiating equipment produced carries out the heat exchange through heating panel and the water of flowing through in the coil pipe, thereby reach good heat dissipation purpose, draw water the mechanism and make water unidirectional flow in the heat dissipation route, in order to realize continuously dispelling the heat.

In this embodiment, there are two coil pipes, which respectively include a first coil pipe 314 and a second coil pipe 316, the first coil pipe 314 and the second coil pipe 316 are connected in series through a fourth connection pipe 315, an end of the first coil pipe 314 is connected to a third connection pipe 313, an end of the second coil pipe 316 is connected to a fifth connection pipe 317, so that the two coil pipes are connected in series to form a heat dissipation path, a filter 319 is fixedly installed at an end of the fifth connection pipe 317, a water pumping mechanism is disposed at an end of the third connection pipe 313, a first heat dissipation plate 323 is fixedly installed outside the first coil pipe 314, the motor 48 is fixedly installed on the first heat dissipation plate 323, the second coil pipe 316 is fixedly connected to a second heat dissipation plate 324, and the controller 11 and the vacuum pump 26 are fixedly installed on the second heat dissipation plate 324. In use, the fifth connecting tube 317 is inserted into the treatment tank and the filter 319 is submerged. Under the effect of the mechanism of drawing water, sewage in the treatment tank is as the cold source of heat dissipation passageway, second coil pipe 316 flows through in proper order after filtering through filter 319, first coil pipe 314, flow back to the treatment tank by the other end again, motor 48, the heat that controller 11 and vacuum pump 26 produced passes through first heating panel 323, second heating panel 324 respectively with first coil pipe 314, the cold water of flow carries out the heat transfer in the second coil pipe 316, and then realize the heat dissipation, and the cold source directly adopts sewage in the treatment tank, draw materials on the spot, reduce the heat dissipation cost, high durability and convenient use.

In this embodiment, the pump can be selected for use to the mechanism that draws water, directly through the pump with the water unidirectional pumping in the treatment tank to the heat dissipation passageway in order to realize the heat dissipation. In order to further save energy, in this embodiment, preferably, the water pumping mechanism includes a water pumping tank 311, a check valve and a linkage external member, the piston 310 is installed in the water pumping tank 311 in a sealing and sliding manner, the water inlet pipe 312 and the water outlet pipe 320 are installed in the lower cavity of the water pumping tank 311, the water inlet pipe 312 is communicated with the end of the heat dissipation passage through a third connecting pipe 313, the water outlet pipe 320 is connected with the water discharge pipe 322 through a second check valve 321, and the first check valve 318 is assembled on the fifth connecting pipe 317, so that water flows into the heat dissipation passage through one end of the filter 319 in a one-way flow manner. The linkage external member set up in the piston 310 with between the motor 48 to drive piston 310 through motor 48 and make straight reciprocating motion in the jar 311 that draws water, when piston 310 upward displacement, rivers are by the one-way inflow of inlet tube 312 to the jar 311 that draws water piston 310 cavity of resorption in, when piston 310 downward displacement, rivers are discharged outside jar 311 that draws water by drain pipe 322. Thereby realizing that a motor 48 drives the homocline subassembly 4 and the cooling subassembly 3 synchronous operation simultaneously to further reduce the consumption, simplify product structure.

In this embodiment, specifically, the linkage kit includes a first pulley 31, a second pulley 33, a first connecting rod 38 and a second connecting rod 39, wherein a synchronous belt 32 is disposed between the first pulley 31 and the second pulley 33, the first pulley 31 is coaxially fixed with a transmission shaft of the motor 48, the second pulley 33 is rotatably disposed around its own axis, one end of the second connecting rod 39 is hinged to the piston 310, the other end of the second connecting rod 39 is rotatably connected with one end of the first connecting rod 38, the other end of the first connecting rod 38 is fixedly mounted with a second connecting shaft 37, the second connecting shaft 37 is rotatably disposed around its own axis, the second pulley 33 is coaxially fixedly mounted with a first connecting shaft 34, an end of the first connecting shaft 34 is fixedly connected with a first bevel gear 35, an end of the second connecting shaft 37 is fixedly connected with a second bevel gear 36, and the first bevel gear 35 is engaged with the second bevel gear 36.

In the operation process, the motor 48 synchronously drives the first belt pulley 31 to rotate, the second belt pulley 33 is synchronously driven to rotate under the action of the synchronous belt 32, meanwhile, the second connecting shaft 37 is driven to rotate around the axis of the second connecting shaft 37 under the meshing action of the first bevel gear 35 and the second bevel gear 36, further, the first connecting rod 38 fixedly connected to the end part of the second connecting shaft 37 is driven to rotate, and the piston 310 is pulled to do periodic reciprocating linear motion through the second connecting rod 39, so that the water pumping function is realized.

In this embodiment, in order to improve the safety, the protective housing 12 is covered on the outer sides of the first belt pulley 31, the second belt pulley 33 and the synchronous belt 32, the protective housing 12 is fixed on the kettle body 47, the support 10 is fixedly mounted on the top of the protective housing 12, and the second connecting shaft 37 is rotatably arranged on the support 10 in a penetrating manner.

The working principle of the invention is as follows:

when the automatic medicine filling device is used for automatically filling medicines, firstly, preparation work is prepared, a control program of the controller 11 is set, the spray head 46 is arranged on the treatment pool, the spraying range of the spray head can cover most of the area of the treatment pool, then, one end of the drain pipe 322 is inserted into the treatment pool, the filter 319 is soaked in water, the medicines and the water are respectively filled into different material storage tanks 20, the sealing cover 21 is covered, the material is filled by the material filling component 2, and when the material homogenizing component 4 is used for homogenizing, the heat source of the device is radiated by the cooling component 3, specifically: the controller 11 starts the first electric valve 25 to enable the material pipe 23 of the material storage tank 20 filled with the corresponding medicament to be communicated with the first connecting pipe 24, the vacuum pump 26 vacuumizes the kettle body 47 through the second connecting pipe 27, the medicament is pumped into the kettle body 47 through the material pipe 23 and the first connecting pipe 24, after the set time is reached, the first electric valve 25 is closed, and the other first electric valve 25 is opened, so that the medicament and water can be sequentially injected into the kettle body 47; after the addition of the medicament is completed, the vacuum pump 26 is turned off, the motor 48 is started, the motor 48 drives the rotating shaft 40 to rotate, the paddle 41 stirs the medicament, meanwhile, the first belt pulley 31 drives the second belt pulley 33 to rotate through the synchronous belt 32, the second belt pulley 33 drives the first connecting shaft 34 to rotate, the first connecting shaft 34 drives the second bevel gear 36 through the first bevel gear 35, the second bevel gear 36 drives the second connecting shaft 37 to rotate, the first connecting rod 38 on the second connecting shaft 37 rotates therewith, the second connecting rod 39 at one end of the first connecting rod 38 moves up and down to drive the piston 310 to reciprocate up and down in the pumping tank 311, when the piston 310 moves up, the water in the treatment tank enters the lower cavity of the piston 310 in the pumping tank 311 through the filter 319, the first check valve 318, the fifth connecting pipe 317, the second coil 316, the fourth connecting pipe 315, the first coil 314, the third connecting pipe 313 and the water inlet pipe 312, and the water in the pumping tank 311 moves down, and when the piston 310 moves down, the water in the pumping tank 311 returns to the treatment tank through the outlet pipe 320, the second check valve 321 and the water drain pipe 322 to achieve cooling; when the set stirring time is reached, the motor 48 is stopped, the second electric valve 42 is opened, the mixed solution in the kettle body 47 is discharged through the sixth connecting pipe 43, is pressurized through the pressurizing pump 44, is discharged into the spray head 46 through the seventh connecting pipe 45, and is uniformly sprayed in the treatment tank; the frame 1 is used for supporting the kettle body 47 and the storage tank 20, the bracket 10 on the protective shell 12 is used for mounting the second connecting shaft 37, the pressure stabilizing valve 22 is used for balancing the pressure inside the storage tank 20, and the first coil 314 and the second coil 316 are made of aluminum alloy materials and respectively radiate a first radiating plate 323 and a second radiating plate 324.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic ware of maring of medicament that sewage treatment used which characterized in that: comprises a frame, a feeding component and a homogenizing component;

the material homogenizing assembly comprises a kettle body, a motor, a rotating shaft and blades, the kettle body is fixedly arranged on the rack, the rotating shaft is rotatably arranged in the kettle body, the blades are fixedly arranged on the rotating shaft, the top end of the rotating shaft is in transmission connection with the motor, and a second electric valve, a pressure pump and a spray head are sequentially connected to an outlet at the bottom of the kettle body through connecting pipes;

the first electric valve, the second electric valve and the motor are all electrically connected with the controller; the vacuum pump is connected with the kettle body through a second connecting pipe and is electrically connected with the controller;

the cooling device comprises a motor, a controller and a vacuum pump, and is characterized by further comprising a cooling assembly, wherein the cooling assembly comprises more than two coil pipes which are sequentially connected in series, heat dissipation plates with the same number as the coil pipes, a filter and a water pumping mechanism, the more than two coil pipes are sequentially connected in series and connected into a heat dissipation passage, the water pumping mechanism is arranged at one end of the heat dissipation passage, the filter is arranged at the other end of the heat dissipation passage, and the heat dissipation plates are respectively and fixedly connected with the motor, the controller and the vacuum pump; the water pumping mechanism comprises a water pumping tank, a one-way valve and a linkage external member, wherein a piston is hermetically and slidably arranged in the water pumping tank, a water inlet pipe and a water outlet pipe are arranged in the lower cavity of the water pumping tank, the water inlet pipe is communicated with the end part of the heat dissipation passage, a water drainage pipe is connected to the water outlet pipe, the one-way valve is assembled on the heat dissipation passage, and the linkage external member is arranged between the piston and the motor; the linkage external member comprises a first belt wheel, a second belt wheel, a first connecting rod and a second connecting rod, wherein a synchronous belt is wound between the first belt wheel and the second belt wheel, the first belt wheel is coaxially fixed with a transmission shaft of the motor, the second belt wheel is rotatably arranged around the axis of the second belt wheel, one end of the second connecting rod is hinged to the piston, the other end of the second connecting rod is rotatably connected with one end of the first connecting rod, a second connecting shaft is fixedly mounted at the other end of the first connecting rod, the second connecting shaft is rotatably arranged around the axis of the second connecting rod, a first connecting shaft is coaxially and fixedly mounted on the second belt wheel, a first bevel gear is fixedly connected to the end of the first connecting shaft, a second bevel gear is fixedly connected to the end of the second connecting shaft, and the first bevel gear is meshed with the second bevel gear.

2. The automatic chemical agent filling device for sewage treatment as claimed in claim 1, wherein: the number of the one-way valves is two, and the number of the coil pipes is two.

3. The automatic chemical filling device for sewage treatment according to claim 1, characterized in that: the protective housing is covered on the outer side of the first belt wheel, the second belt wheel and the synchronous belt and fixed on the kettle body.

4. The automatic chemical agent filling device for sewage treatment as claimed in claim 3, wherein: the top fixed mounting of protective housing has the support, the second connecting axle rotates to wear to locate on the support.

5. The automatic chemical filling device for sewage treatment according to claim 1, characterized in that: the feeding assembly is four.

6. The automatic chemical agent filling device for sewage treatment as claimed in claim 1, wherein: the storage tank top is installed sealed lid, fixed mounting has the surge damping valve on the sealed lid.