Coagulant aid feeding device for sewage treatment equipment

Abstract

The utility model discloses a coagulant aid feeding device for sewage treatment equipment, which comprises a heating box, a mixing box and an oxygen supply assembly, a sodium carbonate solution is filled in the heating box, a heating assembly is mounted on the upper inner wall of the heating box, an alkali-resistant water pump is arranged in the heating box, and the alkali-resistant water pump is connected with the mixing box. The output end of the alkali-resisting water pump is fixedly connected with a liquid inlet pipe, the output end of the oxygen supply assembly is fixedly connected with an oxygen supply pipe, and the oxygen supply pipe and the liquid inlet pipe are fixedly connected with the same Venturi pipe. And the output end of the mixing box is fixedly connected with a transmission motor. According to the utility model, the heating box can keep the temperature of the sodium carbonate solution within a certain range through the heating assembly and the temperature sensor, the driving motor can uniformly mix the flocculating agent and the sodium carbonate solution through the transmission rod and the scraper, and the flocculating agent and the sodium carbonate solution can be combined to generate the flocculating agent sodium carbonate solution higher than room temperature. The mixing efficiency of the sewage and the flocculating agent is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a coagulant dosing device for sewage treatment equipment. Background Art

[0002] In the process of sewage treatment, there is generally a flocculation process, and the main function of this process section is to separate harmful substances in the sewage.

[0003] At present, the commonly used flocculants in the market are generally solids, and the mixing effect with sewage is poor, resulting in a low flocculation efficiency of sewage and affecting the treatment quality of harmful substances in sewage. Summary of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a coagulant dosing device for sewage treatment equipment. The device is provided with a heating box and a driving motor. The heating box can keep the temperature of the sodium carbonate solution within a certain range through a heating component and a temperature sensor. The driving motor can make the coagulant and the sodium carbonate solution mix evenly through a transmission rod and a scraper. The combination of the two can generate a coagulant sodium carbonate solution higher than room temperature, which is convenient for the mixing efficiency of sewage and coagulant.

[0005] The device is provided with an alkali-resistant water pump and a Venturi tube. The alkali-resistant water pump can pump out the sodium carbonate solution in the heating box. After the sodium carbonate solution passes through the Venturi tube, it can pump in the oxygen in the oxygen supply component. After the oxygen is mixed with the sodium carbonate solution, a large number of fine oxygen bubbles will be formed in the sodium carbonate solution, which can effectively increase the specific surface area of the subsequent coagulant and sewage, thereby promoting the flocculation efficiency of sewage.

[0006] The utility model also provides a coagulant dosing device for sewage treatment equipment with the above features, including: a heating box, a mixing box and an oxygen supply component. The inside of the heating box is filled with a sodium carbonate solution. A heating component is installed on the upper inner wall of the heating box. An alkali-resistant water pump is arranged inside the heating box. The output end of the alkali-resistant water pump is fixedly connected with a liquid inlet pipe. The output end of the oxygen supply component is fixedly connected with an oxygen supply pipe. The oxygen supply pipe and the liquid inlet pipe are fixedly connected to the same Venturi tube.

[0007] The output end of the mixing box is fixedly connected with a driving motor. The output end of the driving motor is fixedly connected with a transmission rod. The lower end of the transmission rod is fixedly connected with a scraper. A stirring rod is fixedly connected to the outer side wall of the transmission rod. A feeding pipe is installed on the upper side wall of the mixing box. The right side wall of the mixing box is fixedly connected with a liquid outlet pipe near the lower side.

[0008] According to the coagulant dosing device for sewage treatment equipment, a temperature sensor is installed inside the heating box for detecting the temperature of the sodium carbonate solution.

[0009] According to the coagulant aid feeding device for a sewage treatment device described above, a sealing cover is threadedly connected to the upper end of the feeding pipe, which can improve the sealing performance inside the mixing tank.

[0010] According to the coagulant aid feeding device for a sewage treatment device described above, a control valve is fixedly connected to the middle of the liquid outlet pipe for controlling the opening and closing of the liquid outlet pipe.

[0011] According to the coagulant aid feeding device for a sewage treatment device described above, the lower end of the transmission rod is rotatably connected to the lower inner wall of the mixing tank, which improves the rotational stability of the transmission rod.

[0012] According to the coagulant aid feeding device for a sewage treatment device described above, the scraper is matched with the lower inner wall and the inner side wall of the mixing tank, which facilitates scraping the lower inner wall and the inner side wall of the mixing tank.

[0013] According to the coagulant aid feeding device for a sewage treatment device described above, both the heating tank and the mixing tank are made of heat-insulating materials, which improves the heat preservation effect of the heating tank and the mixing tank.

[0014] According to the coagulant aid feeding device for a sewage treatment device described above, the Venturi tube extends into the interior of the mixing tank.

[0015] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0016] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0017] Figure 1 is a schematic structural diagram of a coagulant aid feeding device for a sewage treatment device of the present utility model;

[0018] Figure 2 is a schematic internal view of the heating tank of a coagulant aid feeding device for a sewage treatment device of the present utility model;

[0019] Figure 3 is a front view of a coagulant aid feeding device for a sewage treatment device of the present utility model;

[0020] Figure 4 is a schematic cross-sectional view of the mixing tank of a coagulant aid feeding device for a sewage treatment device of the present utility model.

[0021] Legend Explanation:

[0022] 1. Heating tank; 101. Liquid inlet pipe; 102. Alkali-resistant water pump; 103. Temperature sensor; 104. Heating component; 105. Sodium carbonate solution; 2. Mixing tank; 201. Feeding pipe; 202. Sealing cover; 203. Liquid outlet pipe; 204. Control valve; 3. Oxygen supply component; 301. Oxygen supply pipe; 4. Driving motor; 401. Transmission rod; 402. Scraper; 403. Stirring rod; 5. Venturi tube. Detailed implementation manners

[0023] This part will describe the specific embodiments of the present invention in detail. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0025] Referring to Figures 1-4 , an accelerator feeding device for a sewage treatment device according to an embodiment of the present invention includes: a heating tank 1, a mixing tank 2, and an oxygen supply component 3. The interior of the heating tank 1 is filled with a sodium carbonate solution 105. A heating component 104 is installed on the upper inner wall of the heating tank 1. A temperature sensor 103 is installed inside the heating tank 1 for detecting the temperature of the sodium carbonate solution 105. Both the heating tank 1 and the mixing tank 2 are made of heat-insulating materials to improve the heat preservation effect of the heating tank 1 and the mixing tank 2.

[0026] Inside the heating tank 1, an alkali-resistant water pump 102 is provided. The output end of the alkali-resistant water pump 102 is fixedly connected to a liquid inlet pipe 101. The output end of the oxygen supply component 3 is fixedly connected to an oxygen supply pipe 301. The oxygen supply pipe 301 and the liquid inlet pipe 101 are fixedly connected to the same Venturi tube 5, and the Venturi tube 5 extends into the interior of the mixing tank 2.

[0027] The output end of the mixing tank 2 is fixedly connected to a driving motor 4. The output end of the driving motor 4 is fixedly connected to a driving rod 401. The lower end of the driving rod 401 is rotatably connected to the lower inner wall of the mixing tank 2 to improve the rotational stability of the driving rod 401. The lower end of the driving rod 401 is fixedly connected to a scraper 402. The lower end of the driving rod 401 is rotatably connected to the lower inner wall of the mixing tank 2 to improve the rotational stability of the driving rod 401. The outer side wall of the driving rod 401 is fixedly connected to a stirring rod 403. The upper side wall of the mixing tank 2 is provided with a feeding pipe 201. The upper end of the feeding pipe 201 is threadedly connected to a sealing cover 202, which can improve the sealing performance inside the mixing tank 2. The right side wall of the mixing tank 2 and near the lower side is fixedly connected to a liquid outlet pipe 203. The middle of the liquid outlet pipe 203 is fixedly connected to a control valve 204 for controlling the opening and closing of the liquid outlet pipe 203.

[0028] All the electrical components mentioned in this article are electrically connected to an external main controller, and the main controller can be a conventional known device such as a computer for control. All the electrical components mentioned in this article are electrically connected to an external power supply.

[0029] Working principle: This device is provided with a heating tank 1 and a driving motor 4. The heating tank 1 can keep the temperature of the sodium carbonate solution 105 within a certain range through a heating component 104 and a temperature sensor 103. The driving motor 4 can make the flocculant and the sodium carbonate solution 105 mix evenly through a driving rod 401 and a scraper 402. The combination of the two can generate a sodium carbonate solution of the flocculant higher than room temperature, which is convenient for the mixing efficiency of sewage and the flocculant. This device is provided with an alkali-resistant water pump 102 and a Venturi tube 5. The alkali-resistant water pump 102 can pump out the sodium carbonate solution 105 in the heating tank 1. After the sodium carbonate solution 105 passes through the Venturi tube 5, it can pump the oxygen in the oxygen supply component 3 into it. After the oxygen is mixed with the sodium carbonate solution 105, a large number of fine oxygen bubbles will be formed in the sodium carbonate solution 105, which can effectively increase the specific surface area of the subsequent flocculant and sewage, thereby promoting the flocculation efficiency of sewage.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A coagulant aid feeding device for sewage treatment equipment, characterized in that: include: A heating box (1), a mixing box (2) and an oxygen supply component (3), wherein the interior of the heating box (1) is filled with a sodium carbonate solution (105), a heating component (104) is installed on the upper inner wall of the heating box (1), an alkali-resistant water pump (102) is arranged inside the heating box (1), the output end of the alkali-resistant water pump (102) is fixedly connected to a liquid inlet pipe (101), the output end of the oxygen supply component (3) is fixedly connected to an oxygen supply pipe (301), and the oxygen supply pipe (301) and the liquid inlet pipe (101) are fixedly connected to the same venturi tube (5); The output end of the mixing box (2) is fixedly connected to a transmission motor (4), the output end of the transmission motor (4) is fixedly connected to a transmission rod (401), the lower end of the transmission rod (401) is fixedly connected to a scraper (402), the outer side wall of the transmission rod (401) is fixedly connected to a stirring rod (403), the upper side wall of the mixing box (2) is installed with a feeding pipe (201), and the right side wall of the mixing box (2) and close to the lower side is fixedly connected to a liquid outlet pipe (203).

2. A coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: A temperature sensor (103) is installed inside the heating box (1).

3. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: The upper end of the feeding pipe (201) is threadedly connected with a sealing cover (202).

4. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: A control valve (204) is fixedly connected to the middle portion of the liquid outlet pipe (203).

5. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: The lower end of the transmission rod (401) is rotatably connected to the lower inner wall of the mixing box (2).

6. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: The scraper (402) cooperates with the lower inner wall and the inner side wall of the mixing box (2).

7. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: The heating box (1) and the mixing box (2) are both made of heat-insulating materials.

8. The coagulant aid feeding device for sewage treatment equipment according to claim 1, characterized in that: The venturi tube (5) extends into the interior of the mixing box (2).

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