CN218507580U

CN218507580U - Automatic dosing device for sewage plant

Info

Publication number: CN218507580U
Application number: CN202222783093.2U
Authority: CN
Inventors: 李红丽; 马树良; 张腾
Original assignee: Anhui Cisco Environment System Engineering Technology Co ltd
Current assignee: Anhui Cisco Environment System Engineering Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-21
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses an automatic reagent feeding device for sewage factory relates to charge equipment technical field. The utility model comprises a plurality of dosing tubes, and the bottoms of the dosing tubes are provided with thin tubes; the thin tube is provided with a valve for controlling the thin tube to open and close; the air chamber comprises a vertical section arranged above one side of the dosing pipe and a communication section for communicating the upper space of the dosing pipe with the vertical section; the piston assembly comprises a guide rod which is used for making vertical reciprocating motion in the vertical section; a rubber plug for extruding the air in the medicine feeding pipe to enable the medicine liquid in the medicine feeding pipe to flow out of the thin pipe is fixed at the head part of the guide rod; the magnet assembly comprises an iron sheet fixed on one side of the guide rod and an electromagnet arranged below the iron sheet. The utility model discloses an effect of dosing pipe, air cavity, piston assembly and magnet subassembly has solved current sewage plant charge device and has been difficult to add different medicines simultaneously, does not well control the problem of dose yet.

Description

Automatic dosing device for sewage plant

Technical Field

The utility model belongs to the technical field of the charge equipment, especially, relate to an automatic reagent feeding device for sewage factory.

Background

In order to ensure that the effluent quality reaches the standard and is discharged, a chemical dosing system is usually added to the urban sewage treatment plant on the basis of the traditional sewage treatment process, and the sewage treatment capacity is further improved by dosing chemical agents. The urban sewage plant which has a large industrial wastewater ratio is usually accepted, and the quality fluctuation of sewage entering the plant is large. When the water inlet concentration far exceeds the maximum degradation value of biochemical treatment in the biological reaction tank, chemical agents are required to be added to ensure water outlet. At present, the preposed emergency dosing is usually manually controlled. The method comprises the steps of monitoring data of a water inlet instrument, determining the adding amount of a chemical agent according to a chemometric relation when each item of data exceeds a certain value, and then adding the chemical agent into a sewage treatment system through a dosing pump to realize sewage treatment by a chemical method. However, the chemical agent is wasted due to the fact that the chemical agent is added manually and the agent adding amount cannot be accurately controlled, and the operation cost is increased.

The application number is CN202021984299.6 discloses an automatically regulated charge device for sewage plant, comprising a base plate, the last fixed surface of bottom plate is connected with the support column, the last fixed surface of support column is connected with the backup pad, the inner wall fixedly connected with of backup pad adds the explosive barrel, the surperficial threaded connection who adds the explosive barrel has sealed lid, the fixed intercommunication in bottom that adds the explosive barrel has first body, the fixed intercommunication in bottom of first body has first solenoid valve, the fixed intercommunication in bottom of first solenoid valve has the second body to realize that charge device can be to the dosing in the sewage. However, the procedure in this patent is cumbersome, it is difficult to add different drugs, and the amount of drug is not well controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic reagent feeding device for sewage plant, through the effect of dosing pipe, air chamber, piston assembly and magnet subassembly, solved current sewage plant charge device and be difficult to add different medicines simultaneously, also not good problem of control dose.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an automatic dosing device for a sewage plant, which comprises a plurality of dosing pipes, wherein the bottoms of the dosing pipes are provided with thin pipes for dosing sewage; the thin tube is provided with a valve for controlling the thin tube to open and close; the air chamber comprises a vertical section arranged above one side of the dosing pipe and a communication section for communicating the upper space of the dosing pipe with the vertical section; a piston assembly including a guide rod for vertically reciprocating within the vertical section; a rubber plug for extruding the air in the medicine feeding pipe to enable the medicine liquid in the medicine feeding pipe to flow out of the thin pipe is fixed at the head of the guide rod; the magnet assembly comprises an iron sheet fixed on one side of the guide rod and an electromagnet arranged below the iron sheet.

As an optimized technical proposal of the utility model, the top of the medicine feeding pipe is also provided with a medicine inlet.

As a preferred technical scheme of the utility model, the periphery of the guide rod is provided with a thread section, and the thread is connected with a supporting plate; and a connecting rod is fixed at the bottom of the supporting plate and is fixed with the iron sheet.

As a preferred technical scheme of the utility model, a straight rod is fixed at the bottom of the supporting plate, and a baffle is fixed around the straight rod; and a hole plate with a central hole is fixed at the top of the medicine feeding pipe and is in sliding fit with the straight rod.

As an optimized technical scheme of the utility model, the cooperation has a reset spring between orifice plate and the baffle.

As an optimal technical scheme of the utility model, it is a plurality of the electro-magnet is connected with control system respectively, just control system controls opening of each electro-magnet respectively and stops and open the time.

As an optimized technical scheme of the utility model, when the plug is in the initial position, add the pencil and be in negative pressure state with the air cavity.

As an optimal technical scheme of the utility model, it is a plurality of add on the pencil all is fixed in a support, just add the pencil and be connected with the play medicine end of dosing box.

The utility model discloses following beneficial effect has:

1. the utility model discloses a guide arm is fixed with the iron sheet, passes through the installation of backup pad and guide arm during the installation to together guide arm, backup pad and iron sheet are fixed, thereby drive guide arm reciprocating motion through the motion of iron sheet.

2. The utility model discloses an electro-magnet is connected with control system respectively to control adds different liquid medicines, when need not add the medicine control system control electro-magnet close can, the time that the control electro-magnet was opened can control the volume of adding the medicine, and control is simple.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an automatic chemical feeding device for a sewage plant according to the present invention;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic view of the installation of the dosing tube, air chamber, piston assembly and magnet assembly;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a schematic view of the internal structure of FIG. 3;

fig. 6 is a schematic structural view of the piston assembly and the magnet assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1, the utility model relates to an automatic chemical feeding device for sewage plant, which comprises a plurality of chemical feeding pipes 1, wherein the bottom of the chemical feeding pipe 1 is provided with a thin pipe 101 for feeding chemicals into sewage, and the thin pipe 101 is a pipe with smaller diameter, which is easy to control the chemical liquid; the thin tube 101 is provided with a valve 102 for controlling the thin tube to open and close, before the magnet assembly 4 is electrified to work, the valve 102 is opened, and the liquid medicine in the medicine feeding tube 1 cannot flow out due to the action of negative pressure; after the magnet assembly 4 is closed, the valve 102 is closed, so as to further ensure that no liquid medicine is leaked; the air chamber 2 comprises a vertical section 201 arranged above one side of the dosing tube 1 and a communication section 202 for communicating the upper space of the dosing tube 1 with the vertical section 201, and the outflow and non-outflow of the liquid medicine are controlled by adjusting the air pressure in the air chamber 2; a piston assembly 3, the piston assembly 3 comprising a guide rod 301 for vertically reciprocating within the vertical section 201; the head part of the guide rod 301 is fixed with a rubber plug 302 which is used for extruding the air in the dosing tube 1 so as to enable the liquid medicine in the dosing tube 1 to flow out of the thin tube 101, the valve 102 is opened, the electromagnet 402 starts to work, the rubber plug 302 extrudes the air in the dosing tube 1 so as to enable the pressure in the dosing tube 1 to be larger than the air pressure of the external environment, the liquid medicine in the dosing tube 1 flows out, and sewage is purified; the magnet assembly 4, the magnet assembly 4 includes an iron piece 401 fixed on one side of the guide bar 301, and an electromagnet 402 disposed under the iron piece 401. The electromagnets 402 are respectively connected with the control system, and the control system respectively controls the start-stop and start-stop time of each electromagnet 402, so that different liquid medicines are controlled to be added, and the control is simple.

Example two

On the basis of the first embodiment, please refer to fig. 1-2, a threaded section 303 is formed on the periphery of the guide rod 301, and a support plate 304 is connected to the threaded section, so as to facilitate installation and disassembly; a connecting rod 305 is fixed at the bottom of the supporting plate 304 and fixed with the iron sheet 401, and when the connecting rod is installed, the supporting plate 304 and the guide rod 301 are installed, so that the guide rod 301, the supporting plate 304 and the iron sheet 401 are fixed together, and the guide rod 301 is driven to reciprocate by the movement of the iron sheet 401. A straight rod 306 is fixed at the bottom of the support plate 304, and a baffle 307 is fixed on the periphery of the straight rod 306; an orifice plate 308 with a central opening is fixed on the top of the dosing tube 1 and is in sliding fit with the straight rod 306, and the orifice plate 308 guides the movement of the straight rod 306. A reset spring 309 is matched between the pore plate 308 and the baffle 307, when medicine adding is not needed, the control system controls the electromagnet 402 to be closed, no suction force exists between the iron sheet 401 and the electromagnet 402, the rubber plug 302 resets under the action of the reset spring 309, the medicine adding pipe 1 keeps negative pressure again, and liquid medicine does not flow out any more.

The working principle is as follows: when sewage is treated, different medicines are required to be added, and the dosage of the medicines is controlled; the medicine adding pipes 1 are respectively connected with the corresponding medicine adding boxes, so that different liquid medicines are added, the control system respectively controls the opening of the electromagnets 402 to drive the rubber plugs 302 to move downwards to extrude the liquid medicines, when the medicine does not need to be added, the control system controls the electromagnets 402 to be closed, the opening time of the electromagnets 402 is controlled, and the medicine adding amount can be controlled.

EXAMPLE III

On the basis of the second embodiment, when the rubber plug 302 is at the initial position, the dosing tube 1 and the air chamber 2 are in a negative pressure state, so that when the rubber plug 302 is at the initial position, the atmospheric pressure of the external environment is greater than the air pressure in the dosing tube 1, the diameter of the thin tube 101 is smaller, the liquid medicine in the dosing tube 1 cannot flow out of the thin tube 101, and the syringe is the same as the syringe; when the valve 102 is opened, the electromagnet 402 starts to work, the rubber plug 302 extrudes the air in the dosing pipe 1, so that the pressure in the dosing pipe 1 is greater than the air pressure of the external environment, the liquid medicine in the dosing pipe 1 flows out and is added into the sewage, and the liquid medicine reacts with the sewage to purify the sewage. The top of the dosing tube 1 is also provided with a drug inlet; the plurality of dosing pipes 1 are all fixed on a support 5, the dosing pipes 1 are connected with the medicine outlet ends of the dosing boxes, liquid medicine flows out of the medicine outlet ends of the dosing boxes and enters the dosing pipes 1, and whether the sewage is dosed or not is controlled by controlling air pressure in the dosing pipes 1.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application of the present invention, thereby enabling others skilled in the art to best understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic reagent feeding device for sewage factory which characterized in that includes:

the sewage treatment device comprises a plurality of dosing pipes (1), wherein the bottoms of the dosing pipes (1) are provided with thin pipes (101) for dosing sewage; a valve (102) for controlling the opening and closing of the thin tube (101) is arranged on the thin tube;

the device comprises an air chamber (2), wherein the air chamber (2) comprises a vertical section (201) arranged above one side of a dosing pipe (1) and a communication section (202) used for communicating the upper space of the dosing pipe (1) with the vertical section (201);

a piston assembly (3), the piston assembly (3) comprising a guide rod (301) for vertical reciprocating movement within a vertical section (201); a rubber plug (302) used for extruding air in the dosing tube (1) to enable liquid medicine in the dosing tube (1) to flow out of the thin tube (101) is fixed at the head of the guide rod (301);

the magnet assembly (4) comprises an iron sheet (401) fixed on one side of the guide rod (301) and an electromagnet (402) arranged below the iron sheet (401).

2. The automatic dosing device for the sewage treatment plant according to claim 1, wherein the top of the dosing pipe (1) is further provided with a dosing inlet.

3. The automatic dosing device for the sewage plant according to claim 1, wherein a threaded section (303) is formed on the periphery of the guide rod (301), and a supporting plate (304) is connected with the threaded section;

and a connecting rod (305) is fixed at the bottom of the supporting plate (304) and is fixed with the iron sheet (401).

4. The automatic dosing device for a sewage plant according to claim 3, characterized in that a straight rod (306) is fixed at the bottom of the supporting plate (304), and a baffle (307) is fixed on the periphery of the straight rod (306);

the top of the medicine feeding pipe (1) is fixed with a hole plate (308) with a central hole, and the hole plate is in sliding fit with the straight rod (306).

5. The automatic dosing device for sewage plants according to claim 4, characterized in that a return spring (309) is fitted between the orifice plate (308) and the baffle (307).

6. The automatic dosing device for the sewage plant according to claim 1, wherein the electromagnets (402) are respectively connected with a control system, and the control system respectively controls the on-off and the on-off time of each electromagnet (402).

7. The automatic dosing device for sewage plants according to claim 1, wherein the dosing tube (1) and the air chamber (2) are in a negative pressure state when the rubber plug (302) is in the initial position.

8. The automatic dosing device for the sewage plant according to claim 1, wherein the dosing pipes (1) are fixed on a bracket (5), and the dosing pipes (1) are connected with the medicine outlet ends of the dosing boxes.