Low-temperature-resistant nitrogen and phosphorus removal filler device

Abstract

The utility model relates to the technical field of sewage treatment, and particularly discloses a low-temperature-resistant nitrogen and phosphorus removal filler device which comprises a protective shell, a maintenance upper cover is mounted on the upper surface of the protective shell, a driving motor is fixedly connected to the upper surface of the maintenance upper cover, and a stirring cylinder is arranged on the lower surface of the maintenance upper cover. The upper surface of the maintenance upper cover is fixedly connected with an aerator. According to the low-temperature-resistant nitrogen and phosphorus removal filler device, the jacket layer of the protective shell is filled with the polyurethane foam, so that the thermal insulation property is excellent, the loss of heat in the device can be effectively reduced, a relatively stable living environment is created for microorganisms, and normal metabolism and growth of the microorganisms are favorably maintained due to the stable temperature; and a plurality of annular heating and heat preservation pipelines which are vertically stacked are matched with a circulating water pipeline which is connected with an external hot water tank, so that the interior of the device can be uniformly and efficiently heated.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of denitrification and phosphorus removal filler device of low temperature resistance. BACKGROUND

[0002] Denitrification and phosphorus removal filler plays an important role in sewage treatment, and the two are closely related. Denitrification and phosphorus removal filler has a large specific surface area and abundant pore structure, which can provide a large number of attachment sites for microorganisms, allowing microorganisms to form biofilms on its surface. These microorganisms, such as nitrifying bacteria, denitrifying bacteria, and phosphorus-accumulating bacteria, are key participants in denitrification and phosphorus removal in sewage treatment. They grow and reproduce on the surface of the filler, forming stable biological communities, which helps to increase the concentration and activity of microorganisms, thereby enhancing the effect of sewage treatment. Different types of denitrification and phosphorus removal filler may have different effects in sewage treatment. In practical applications, the appropriate denitrification and phosphorus removal filler should be selected according to the water quality characteristics, treatment requirements, and process conditions of the sewage, in order to achieve the best effect of sewage treatment.

[0003] In low temperature environment, the metabolic activity of microorganisms will slow down, and the activity of enzymes will also be inhibited. Denitrification and phosphorus removal process depends on the action of various microorganisms, such as nitrifying bacteria, denitrifying bacteria, and phosphorus-accumulating bacteria. The existing denitrification and phosphorus removal filler device has poor heat preservation effect, and the temperature fluctuates greatly, which will affect the effect of denitrification and phosphorus removal processing, and reduce the practicability. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a kind of denitrification and phosphorus removal filler device of low temperature resistance, to solve the problem of poor heat preservation effect of the existing denitrification and phosphorus removal filler device in the above background technology, and the temperature fluctuates greatly, which will affect the effect of denitrification and phosphorus removal processing, and reduce the practicability.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of denitrification and phosphorus removal filler device of low temperature resistance, including protective shell, its upper surface is equipped with maintenance upper cover, the upper surface of the maintenance upper cover is fixedly connected with driving motor, the lower surface of the maintenance upper cover is provided with stirring cylinder, the upper surface of the maintenance upper cover is fixedly connected with aerator, the lower end of the aerator is fixedly connected with aeration pipeline, and aeration pipeline penetrates maintenance upper cover, the lower end side surface of the protective shell is equipped with feed pipeline, the cavity bottom surface of the protective shell is fixedly connected with support pipeline, the upper surface of the support pipeline is fixedly connected with cloth pipeline, the cavity bottom surface of the protective shell is fixed with filler support frame, the outer surface of the feed pipeline is fixedly equipped with first temperature sensor, the cavity upper end inner wall of the protective shell is fixedly connected with second temperature sensor, the upper end side surface of the protective shell is equipped with discharge pipeline, the protective shell is double-jacket structure tank body, and heating insulation pipeline is installed in the jacket layer of protective shell, and the surface of heating insulation pipeline is connected with circulating water pipeline.

[0006] Preferably, the output end of the driving motor penetrates the upper surface of the maintenance upper cover, and the output end of the driving motor is fixedly connected with the rotating shaft of the stirring cylinder, the lower end outer surface of the stirring cylinder is provided with an inclined stirring claw, and the jacket layer of the protective shell is filled with polyurethane foam.

[0007] With the above technical scheme, the output end of the driving motor is fixedly connected with the rotating shaft of the stirring cylinder, which can drive the stirring cylinder to rotate. The inclined stirring claw at the lower end of the stirring cylinder can more effectively stir the sewage and filler in the device during rotation, allowing the sewage and filler to fully contact and improving the efficiency of denitrification and phosphorus removal.

[0008] Preferably, one end of the feed pipeline is fixedly connected with the support pipeline, the support pipeline is designed in a ring shape, and the feed pipeline, the support pipeline and the cloth pipeline are connected in communication.

[0009] With the above technical scheme, the feed pipeline is fixedly connected with the support pipeline, and the feed pipeline, the support pipeline and the cloth pipeline are connected in communication. After the sewage enters from the feed pipeline, it is evenly distributed to the circumferentially arrayed cloth pipelines through the annular support pipeline, allowing the sewage to be more evenly distributed in the device.

[0010] Preferably, the cloth pipelines are arranged in a circumferentially arrayed manner about the center of the support pipeline, water outlets are distributed on the surface of the cloth pipelines, and the cloth pipelines are designed in an inclined manner.

[0011] With the above technical scheme, the cloth pipelines are arranged in a circumferentially arrayed manner about the center of the support pipeline, and water outlets are distributed on the surface of the cloth pipelines and designed in an inclined manner. This structure allows the sewage flowing from the support pipeline to flow out more evenly through the water outlets.

[0012] Preferably, the filler support frame is annular in design, and the first temperature sensor and the second temperature sensor are connected to an external controller through wires.

[0013] With the above technical solution, the annular filler support frame can uniformly support the filler, ensuring that the filler is stably distributed in the device, which is conducive to the full contact reaction between the sewage and the filler.

[0014] Preferably, the heating and heat preservation pipeline is annular in design, and the heating and heat preservation pipeline is composed of a plurality of vertically stacked pipelines.

[0015] With the above technical solution, the heating and heat preservation pipeline is annular in design and composed of a plurality of vertically stacked pipelines, the annular design can uniformly heat the space in the protective shell, and the plurality of vertically stacked pipelines increase the heating area and the heating efficiency, which can more effectively increase the temperature in the device and keep the temperature uniform.

[0016] Preferably, the circulating water pipeline is in communication with the heating and heat preservation pipeline, and the circulating water pipeline penetrates the side surface of the protective shell and is connected to an external hot water tank.

[0017] With the above technical solution, the circulating water pipeline is in communication with the heating and heat preservation pipeline and connected to the external hot water tank, and the circulating hot water provides a heat source for the heating and heat preservation pipeline, continuously and stably heating the inside of the device.

[0018] Compared with the prior art, the low-temperature-resistant denitrification and phosphorus removal filler device has the advantages that:

[0019] 1. The protective shell jacket layer is filled with polyurethane foam, which has excellent heat preservation performance and can effectively reduce the heat loss in the device, which creates a relatively stable living environment for microorganisms, because the activity of microorganisms is usually sensitive to temperature, and stable temperature helps to maintain the normal metabolism and growth of microorganisms, thereby ensuring the smooth progress of denitrification and phosphorus removal reaction, the annular and multi-root vertically stacked heating and heat preservation pipeline cooperates with the circulating water pipeline connected to the external hot water tank to uniformly and efficiently heat the inside of the device, and the circulating hot water continuously provides heat, which can accurately control the temperature in the device according to actual needs, ensuring that the appropriate reaction temperature can be maintained in a low-temperature environment, further improving the efficiency and effect of denitrification and phosphorus removal;

[0020] 2. The driving motor drives the stirring cylinder and the inclined stirring claw to rotate, which can fully mix the sewage and the filler, and such full contact greatly improves the reaction efficiency of denitrification and phosphorus removal, so that the nitrogen and phosphorus substances in the sewage can more effectively react with the microorganisms or chemical reaction substances on the filler, thereby improving the treatment capacity of the entire device; the feed pipeline, the annular support pipeline and the distribution pipeline with the circumferential array and the inclined design cooperate with each other to realize uniform distribution of the sewage in the device, avoid local sewage aggregation or uneven distribution, ensure that the fillers at all positions can fully contact with the sewage, and make the denitrification and phosphorus removal reaction stably and efficiently in the entire device, thereby improving the stability of the treatment effect;

[0021] 3. The first temperature sensor and the second temperature sensor are connected with the external controller, which can monitor the temperature at different positions in the device in real time, the external controller can adjust the heating condition of the heating and heat preservation pipeline in time according to the temperature data, realize accurate regulation and control of the temperature of the device, ensure that the device is always in the best operating temperature range, improve the treatment effect and stability, the annular design of the filler support frame provides a stable support structure for the filler, which ensures that the filler is uniformly and stably distributed in the device, which helps to maintain good contact between the sewage and the filler, improves the efficiency and stability of the denitrification and phosphorus removal reaction, and also enhances the reliability and durability of the overall structure of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the connection between the protective shell and the maintenance upper cover of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic view of the connection between the maintenance upper cover and the driving motor of the utility model;

[0024] Figure 3 It is a three-dimensional structure schematic view of the connection between the aerator and the aeration pipeline of the utility model;

[0025] Figure 4 It is a three-dimensional structure schematic view of the connection between the driving motor and the stirring cylinder of the utility model;

[0026] Figure 5 It is a three-dimensional structure schematic view of the connection between the support pipeline and the distribution pipeline of the utility model;

[0027] Figure 6 It is a three-dimensional structure schematic view of the connection between the circulating water pipeline and the heating and heat preservation pipeline of the utility model.

[0028] In the figure: 1, protective shell; 2, maintenance upper cover; 3, driving motor; 4, stirring cylinder; 5, aerator; 6, aeration pipeline; 7, feeding pipeline; 8, support pipeline; 9, cloth pipeline; 10, filler support frame; 11, first temperature sensor; 12, second temperature sensor; 13, discharge pipeline; 14, circulating water pipeline; 15, heating and heat preservation pipeline. DETAILED DESCRIPTION

[0029] 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 protection of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of low-temperature-resistant denitrification and phosphorus removal filler device, including protective shell 1, maintenance upper cover 2, driving motor 3, stirring cylinder 4, aerator 5, aeration pipeline 6, feeding pipeline 7, support pipeline 8, cloth pipeline 9, filler support frame 10, first temperature sensor 11, second temperature sensor 12, discharge pipeline 13, circulating water pipeline 14 and heating and heat preservation pipeline 15, protective shell 1, its upper surface is equipped with maintenance upper cover 2, the upper surface of maintenance upper cover 2 is fixedly connected with driving motor 3, the lower surface of maintenance upper cover 2 is provided with stirring cylinder 4, the output end of driving motor 3 is through the upper surface of maintenance upper cover 2, and the output end of driving motor 3 is fixedly connected with the rotating shaft of stirring cylinder 4, the lower end outer surface of stirring cylinder 4 is provided with the stirring claw of inclined design, the jacket layer of protective shell 1 fills polyurethane foam, when the device works, sewage enters device from feeding pipeline 7, since feeding pipeline 7 is fixedly connected with annular support pipeline 8 and is communicated, sewage will flow into support pipeline 8, support pipeline 8 evenly distributes sewage into cloth pipeline 9 arranged in circumferential array, and cloth pipeline 9 surface is distributed with water outlet hole, and is inclined design, under the action of gravity, sewage can be more evenly flowed out through water outlet hole, so that sewage is evenly distributed in device.

[0031] The upper surface of the maintenance upper cover 2 is fixedly connected with an aerator 5, the lower end of the aerator 5 is fixedly connected with an aeration pipeline 6, the aeration pipeline 6 penetrates through the maintenance upper cover 2, the lower end side surface of the protective shell 1 is penetratedly installed with a feeding pipeline 7, the cavity bottom surface of the protective shell 1 is fixedly connected with a supporting pipeline 8, the upper surface of the supporting pipeline 8 is fixedly connected with a cloth pipeline 9, one end of the feeding pipeline 7 is fixedly connected with the supporting pipeline 8, the supporting pipeline 8 is designed in a ring shape, the feeding pipeline 7, the supporting pipeline 8 and the cloth pipeline 9 are communicated, the cloth pipeline 9 is arranged in a circular array about the center of the supporting pipeline 8, the surface of the cloth pipeline 9 is distributed with water outlets, and the cloth pipeline 9 is designed in an inclination, the driving motor 3 is started, the output end thereof penetrates through the upper surface of the maintenance upper cover 2 and is fixedly connected with the rotating shaft of the stirring cylinder 4, so as to drive the stirring cylinder 4 to rotate, the inclined stirring claws arranged on the lower end outer surface of the stirring cylinder 4 rotate, the sewage and the filler in the device are stirred, the sewage and the filler are fully contacted, and good conditions are created for the denitrification and phosphorus removal reaction.

[0032] The cavity bottom surface of the protective shell 1 is fixedly connected with a filler supporting frame 10, the outer surface of the feeding pipeline 7 is fixedly installed with a first temperature sensor 11, the upper end inner wall of the cavity of the protective shell 1 is fixedly connected with a second temperature sensor 12, the filler supporting frame 10 is designed in a ring shape, the first temperature sensor 11 and the second temperature sensor 12 are connected with an external controller through wires, the ring-shaped filler supporting frame 10 provides stable support for the filler, ensures that the filler is uniformly and stably distributed in the device, helps to maintain the good contact state of the sewage and the filler, ensures that the denitrification and phosphorus removal reaction continuously and stably, the filler is attached with microorganisms having the denitrification and phosphorus removal function or substances capable of chemically reacting with nitrogen and phosphorus substances, when the sewage and the filler are fully contacted, the nitrogen and phosphorus substances in the sewage react with the microorganisms or the chemical reaction substances on the filler, and the purpose of denitrification and phosphorus removal is achieved.

[0033] The upper end side surface of the protective shell 1 is provided with a discharge pipeline 13, the protective shell 1 is a double jacket structure tank body, and a heating and heat preservation pipeline 15 is arranged in the jacket layer of the protective shell 1, the surface of the heating and heat preservation pipeline 15 is connected with a circulating water pipeline 14, the heating and heat preservation pipeline 15 is designed in a ring shape, and the heating and heat preservation pipeline 15 is composed of a plurality of pipelines vertically stacked, the circulating water pipeline 14 is communicated with the heating and heat preservation pipeline 15, the circulating water pipeline 14 penetrates through the side surface of the protective shell 1, and the circulating water pipeline 14 is connected with an external hot water tank, the jacket layer of the protective shell 1 is filled with polyurethane foam, the polyurethane foam has good heat preservation performance, can reduce heat loss in the device, and provides a relatively stable temperature environment for the reaction in the device, hot water circulates in the circulating water pipeline 14 and the heating and heat preservation pipeline 15, and provides heat for the inside of the device, the heating and heat preservation pipeline 15 is designed in a ring shape and is composed of a plurality of pipelines vertically stacked, can uniformly heat the space in the protective shell 1, and makes the device maintain at a temperature suitable for the survival of microorganisms and the denitrification and phosphorus removal reaction, the first temperature sensor 11 and the second temperature sensor 12 respectively monitor the temperature of the sewage in the feeding pipeline 7 and the temperature of the upper end of the cavity of the protective shell 1 in real time, and transmit the temperature data to an external controller through wires, the external controller adjusts the flow or temperature of the circulating water and the like according to the received temperature data, and realizes accurate regulation and control of the temperature in the device.

[0034] Working principle: when the low-temperature-resistant denitrification and phosphorus removal filler device is used, sewage flows into the annular support pipeline 8 through the feeding pipeline 7, and then is uniformly dispersed into the inside of the device through the distribution pipeline 9 which is distributed in an array around the circumference, has water holes and is designed to be inclined, the driving motor 3 is started, the stirring cylinder 4 with the inclined stirring claw is driven to rotate, so that the sewage and the filler are fully contacted, the reaction is accelerated, the microorganisms or chemical reaction substances attached to the filler react with the nitrogen and phosphorus substances in the sewage, the nitrogen and phosphorus in the sewage are removed, the polyurethane foam filled in the jacket layer of the protective shell 1 can reduce heat loss in the device, the circulating hot water flows into the annular and vertically stacked heating and heat preservation pipeline 15 through the circulating water pipeline 14, provides heat for the device, the first temperature sensor 11 and the second temperature sensor 12 monitor the temperature in real time and transmit the data to the external controller, accurate regulation and control of the temperature are realized, the annular filler support frame 10 provides stable support for the filler, ensures that the reaction is stable and continuous, and the practicability of the whole device is improved.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A low-temperature resistant denitrification and phosphorus removal packing device, comprising a protective shell (1), a maintenance cover (2) installed on its upper surface, a drive motor (3) fixedly connected to the upper surface of the maintenance cover (2), a stirring cylinder (4) provided on the lower surface of the maintenance cover (2), an aerator (5) fixedly connected to the upper surface of the maintenance cover (2), an aeration pipe (6) fixedly connected to the lower end of the aerator (5), and the aeration pipe (6) penetrating the maintenance cover (2), characterized in that: A feed pipe (7) is installed through the lower side surface of the protective shell (1). A support pipe (8) is fixedly connected to the bottom surface of the cavity of the protective shell (1). A material distribution pipe (9) is fixedly connected to the upper surface of the support pipe (8). A packing support frame (10) is fixedly fixed to the bottom surface of the cavity of the protective shell (1). A first temperature sensor (11) is fixedly installed on the outer surface of the feed pipe (7). A second temperature sensor (12) is fixedly connected to the inner wall of the upper end of the cavity of the protective shell (1). A discharge pipe (13) is installed through the upper side surface of the protective shell (1). The protective shell (1) is a double-layer jacketed tank. A heating and insulation pipe (15) is installed in the jacket layer of the protective shell (1). A circulating water pipe (14) is connected to the surface of the heating and insulation pipe (15).

2. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: The output end of the drive motor (3) penetrates the upper surface of the maintenance cover (2), and the output end of the drive motor (3) is fixedly connected to the rotating shaft of the stirring cylinder (4). The lower outer surface of the stirring cylinder (4) is provided with an inclined stirring claw, and the jacket layer of the protective shell (1) is filled with polyurethane foam.

3. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: One end of the feed pipe (7) is fixedly connected to the support pipe (8), the support pipe (8) is a ring design, and the feed pipe (7), the support pipe (8) and the fabric distribution pipe (9) are connected.

4. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: The fabric pipe (9) is arranged in a circular array about the center of the supporting pipe (8), and water outlet holes are distributed on the surface of the fabric pipe (9), and the fabric pipe (9) is designed to be inclined.

5. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: The packing support frame (10) is a ring design, and the first temperature sensor (11) and the second temperature sensor (12) are connected to an external controller via wires.

6. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: The heating and insulation pipe (15) is a ring design and is composed of multiple pipes stacked vertically.

7. The low-temperature resistant denitrification and phosphorus removal packing device according to claim 1, characterized in that: The circulating water pipe (14) is connected to the heating and insulation pipe (15), and the circulating water pipe (14) penetrates the side surface of the protective shell (1), and the circulating water pipe (14) is connected to the external hot water tank.

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