CN210030294U - Biological wastewater impurity removal and sterilization device - Google Patents

Abstract

The utility model belongs to the technical field of waste water treatment, concretely relates to biological waste water edulcoration sterilizing equipment, the vertical jar body, vertical jar body top is equipped with flocculation tank, and flocculation tank is equipped with a plurality of liquid branch pipe, and every liquid branch pipe all is through going out the internal intercommunication of liquid house steward and vertical jar, and vertical jar internal portion top-down is equipped with circular steam jet pipe, filter membrane, sieve, and the vertical jar body is established outside steam supply system and negative pressure air exhaust system. The utility model is simple in operation, can be used for biological waste water treatment thallus and solid impurity, at first flocculate and make solid particle subside in the waste water and detach, then pass through high temperature and twice degerming of filter membrane again, the treatment effect is good, and the power consumption is low, and is efficient.

Description

Biological wastewater removal and sterilization device

technical field

The utility model belongs to the technical field of wastewater treatment, in particular to a biological wastewater removal and sterilization device.

Background technique

The pharmaceutical industry, medical industry, and even life will produce biological wastewater. In addition to protein, fat, starch, sugar, cellulose and inorganic salts containing sulfur, nitrogen, phosphorus and other inorganic salts in ordinary wastewater, biological wastewater also contains a variety of Microbial miscellaneous bacteria, the total number of bacteria is more than 5 × 106/L, and it contains a variety of pathogens (such as bacteria and viruses), of which bioengineering pharmaceutical wastewater is cultured or extracted from animal organs as raw materials. Plasma and serum antibiotics and Wastewater from insulin gastric enzymes, etc. Untreated or untreated biological wastewater that does not meet the discharge standards directly enters the environment, which will cause serious harm. ① When the content of organic matter is too large and the rate of oxygen consumption by biological oxidation and decomposition exceeds the rate of reoxygenation, the water body will be deficient in oxygen, resulting in the death of aerobic aquatic organisms in the water body, and the digestion of anaerobic microorganisms to produce methane, hydrogen sulfide and other substances, It further inhibits aquatic organisms and makes the water body stink. ② The content of refractory organic matter in pharmaceutical wastewater is high, and most of them have strong toxicity and "three-in-one" effect. After these refractory pollutants are discharged into the water body, they remain in the water body for a long time, and accumulate and enrich through the food chain. Toxic when entering the human body. ③After the wastewater containing a large number of microorganisms enters the environment, it will not only compete with the original microorganisms, but also some pathogens have undergone bioengineering and have great mutation. threaten human health. In recent years, the total discharge of biological wastewater has become larger and larger, and the composition has become more and more complex. The traditional high-pressure moist heat sterilization technology not only takes a long time to process, the effect is not good, but also consumes a lot of energy. How to treat biological wastewater continuously and efficiently has become one of the urgent problems to be solved in the field of sewage treatment at home and abroad.

Utility model content

In view of the above technical problems, the purpose of this utility model is to provide a device for removing impurities and sterilizing biological wastewater.

The biological wastewater removal and sterilization device of the utility model comprises a vertical tank body supported by legs, a flocculation tank is arranged on the top of the vertical tank body, and a flocculation tank is provided with several flocculation tanks at different heights from top to bottom. Each liquid outlet branch pipe is connected with the vertical tank body through the liquid outlet main pipe. The vertical tank body is provided with a circular steam injection pipe, filter membrane and sieve plate from top to bottom. The steam injection pipe passes through 4 A support rod is fixed to the inner wall of the vertical tank, the lower half of the steam injection pipe is provided with evenly distributed steam injection holes, and the vertical tank body is provided with an external steam supply system, which includes a closed water storage container, a blower, an inlet The steam pipeline, the water storage container is connected with the steam injection pipe through the steam inlet pipeline, the electric heating wire is arranged in the water storage container, and the sieve plate is fixed on the inner wall of the vertical tank to support the filter membrane. A negative pressure pumping system is provided. The negative pressure pumping system includes a vacuum pump, a first pipeline, a buffer tank and a second pipeline. The vacuum pump is connected to the buffer tank through the first pipeline, and the buffer tank is also connected to the vertical tank through the second pipeline. , the connection between the second pipeline and the vertical tank is located below the sieve plate.

Several UV lamps are fixed on the inner wall of the vertical tank below the sieve plate, which is helpful for UV-assisted sterilization.

The flocculation tank is provided with a stirring device. The stirring device includes a stirring motor installed on the top wall of the vertical tank body, and a stirring disc located in the flocculation tank. The stirring disc is on the top of the inner bottom surface of the flocculation tank. The stirring rod passes through the bottom of the flocculation tank and is connected to the center of the lower surface of the stirring disc. A mechanical seal is installed where the stirring rod passes through the bottom of the flocculation tank. There is a vertical vertical rod fixed on the upper surface of the stirring disc, and the stirring device is located in the flocculation tank. At the bottom of the flocculation tank, the particles deposited at the bottom of the flocculation tank and the flocculant are better and fully mixed under the action of the stirring device, so that the flocculant can further play a role in the flocculation effect.

The flocculation tank is provided with a flocculant conveying pipeline connected to the external flocculant.

The periphery of the stirring motor is provided with a protective cover fixed on the top wall of the vertical tank, which helps to prevent the stirring motor from being burned out by water.

The buffer tank is provided with a first pressure gauge, and the water storage container is provided with a second pressure gauge.

The bottom of the vertical tank body protrudes downward to form a conical bucket, and the conical bucket is provided with a liquid discharge port.

The first line has a first air valve, and the second line has a second air valve.

There is an exhaust port on the top of the vertical tank to facilitate the intake and exhaust during pumping.

The top of the flocculation tank is provided with a feeding port, and the flocculation tank at the bottom of the flocculation tank is provided with a slag discharge port.

The utility model can flocculate the biological wastewater in the flocculation tank to remove impurities. After the flocculation and sedimentation, the upper layer wastewater can open the water valve on the liquid outlet branch pipe according to different liquid levels, so that the wastewater can enter the vertical tank under the action of gravity. The slag discharge port is discharged to achieve the purpose of impurity removal.

In the utility model, the waste water after flocculation and impurity removal in the flocculation tank enters the vertical tank body, and due to the function of the filter membrane, it will temporarily exist on the filter membrane (the filter membrane is preferably a microporous filter membrane, and the material is glass fiber, nylon or polypropylene, etc.) At this time, the water in the water storage container is heated and boiled by the electric heating wire to form steam, and the blower blows the steam into the steam jet pipe to spray steam downward.

The negative pressure air pumping system of the utility model can perform negative pressure air pumping in the vertical tank, the waste water temporarily stored on the filter membrane passes through the filter membrane and the sieve plate under the action of negative pressure and enters the conical bucket for collection, and the waste water passes through the filter membrane and further Filter out organic impurities and bacteria.

Compared with the prior art, the utility model has the following beneficial effects.

The utility model is simple to operate, and can be used for the treatment of bacterial cells and solid impurities in biological wastewater. First, the solid particles in the wastewater are removed by flocculation, and then the bacteria are sterilized twice through high temperature and a filter membrane. The utility model has good treatment effect, low energy consumption and high efficiency. .

Description of drawings

1 is a schematic structural diagram of an embodiment of the present utility model;

Fig. 2 is a schematic diagram of the connection structure between the steam injection pipe and the inner wall of the three-dimensional tank in Fig. 1;

Fig. 3 is the structural representation of stirring device in Fig. 1;

Fig. 4 is the three-dimensional structure diagram of stirring disc in Fig. 3;

FIG. 5 is a top view of FIG. 4 .

In the figure: 1, vacuum pump 2, first pipeline 3, first air valve 4, first pressure gauge 5, buffer tank 6, second pipeline 7, second air valve 8, conical bucket 9, vertical tank 10 , steam injection pipe 11, exhaust port 12, liquid outlet main pipe 13, stirring motor 14, liquid outlet branch pipe 15, flocculation tank 16, feeding port 17, flocculant conveying pipe 18, stirring disc 19, slag discharge port 20, protection Cover 21, support rod 22, filter membrane 23, sieve plate 24, ultraviolet lamp 25, water storage container 26, second pressure gauge 27, blower 28, electric heating wire 29, outrigger 30, liquid outlet 31, inlet Steam pipeline 32, vertical rod 33, mechanical seal.

Detailed ways

The present utility model will be further described below with reference to the embodiments and the accompanying drawings of the description.

As shown in Figures 1-5, the biological wastewater removal and sterilization device of the present invention includes a vertical tank body 9 supported by legs 29. The top of the vertical tank body 9 is provided with a flocculation tank 15, and the flocculation tank is 15 tanks. The body is provided with several liquid outlet branch pipes 14 at different heights from top to bottom. A circular steam injection pipe 10, a filter membrane 22, and a sieve plate 23 are provided. The steam injection pipe 10 is fixed to the inner wall of the vertical tank body 9 through four support rods 21. The lower half of the steam injection pipe 10 is provided with uniformly distributed steam injection. The vertical tank body 9 is provided with an external steam supply system. The external steam supply system includes a closed water storage container 25, a blower 27, and a steam inlet pipe 31. The water storage container 25 is connected with the steam injection pipe 10 through the steam inlet pipe 31. The water container 25 is provided with an electric heating wire 28, and the sieve plate 23 is fixed on the inner wall of the vertical tank body 9 for supporting the filter membrane 22. The outside of the vertical tank body 9 is also provided with a negative pressure air extraction system. The gas system includes a vacuum pump 1, a first pipeline 2, a buffer tank 5, and a second pipeline 6. The vacuum pump 1 is connected to the buffer tank 5 through the first pipeline 2, and the buffer tank 5 is also connected to the vertical tank 9 through the second pipeline 6. The connection between the second pipeline 6 and the vertical tank body 9 is located below the sieve plate 23 .

Several ultraviolet lamps 24 are fixed on the inner wall of the vertical tank body 9 below the sieve plate 23 .

The flocculation tank 15 is provided with a stirring device, and the stirring device includes a stirring motor 13 installed on the inner top wall of the vertical tank body 9, and a stirring disc 18 located in the flocculation tank 15. The stirring disc 18 is on the top of the inner bottom surface of the flocculation tank 15, The driving rod of the stirring motor 13 is connected to the stirring rod. The stirring rod passes through the bottom of the flocculation tank 15 and is connected to the center of the lower surface of the stirring disc 18. The stirring rod passes through the bottom of the flocculation tank 15 and is installed with a mechanical seal 33. Four bar-shaped uprights 32 are fixed vertically.

The flocculation tank 15 is provided with a flocculant conveying pipe 17 which is connected to an external flocculant.

The outer periphery of the stirring motor 13 is provided with a protective cover body 20 fixed on the inner top wall of the vertical tank body 9 .

The buffer tank 5 is provided with a first pressure gauge 4 , and the water storage container 25 is provided with a second pressure gauge 26 .

The bottom of the vertical tank body 9 protrudes downward to form a conical bucket 8 , and the conical bucket 8 is provided with a liquid discharge port 30 .

The first pipeline 2 has a first air valve 3 , and the second pipeline 6 has a second air valve 7 .

The top of the vertical tank body 9 is provided with an exhaust port 11 .

The top of the flocculation tank 15 is provided with a feeding port 16, and the flocculation tank 15 at the bottom of the flocculation tank 15 is provided with a slag discharge port 19.

Claims (10)

1. The utility model provides a biological waste water edulcoration sterilizing equipment, includes vertical jar of body (9) that are supported by landing leg (29), its characterized in that: the top of the vertical tank body (9) is provided with a flocculation tank (15), the tank body of the flocculation tank (15) is provided with a plurality of liquid outlet branch pipes (14) at different heights from top to bottom, each liquid outlet branch pipe (14) is communicated with the interior of the vertical tank body (9) through a liquid outlet main pipe (12), a circular steam jet pipe (10), a filter membrane (22) and a sieve plate (23) are arranged in the vertical tank body (9) from top to bottom, the steam jet pipe (10) is fixed with the inner wall of the vertical tank body (9) through 4 support rods (21), the lower half part of the steam jet pipe (10) is provided with steam jet holes which are uniformly distributed, the vertical tank body (9) is provided with an external steam supply system, the external steam supply system comprises a closed water storage container (25), an air blower (27) and a steam inlet pipeline (31), the water storage container (25) is connected with the steam jet pipe (10) through the, the sieve (23) is fixed on the inner wall of the vertical tank body (9) and used for supporting the filter membrane (22), a negative pressure pumping system is further arranged outside the vertical tank body (9), the negative pressure pumping system comprises a vacuum pump (1), a first pipeline (2), a buffer tank (5) and a second pipeline (6), the vacuum pump (1) is connected with the buffer tank (5) through the first pipeline (2), the buffer tank (5) is further connected with the vertical tank body (9) through the second pipeline (6), and the joint of the second pipeline (6) and the vertical tank body (9) is located below the sieve (23).

2. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: a plurality of ultraviolet lamp tubes (24) are fixed on the inner wall of the vertical tank body (9) below the sieve plate (23).

3. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: flocculation tank (15) are equipped with agitating unit, agitating unit is including installing agitator motor (13) at the roof in vertical jar body (9), and be located flocculation tank (15) stirring disc (18), stirring disc (18) bottom surface upper portion in flocculation tank (15), agitator motor (13) actuating lever connection puddler, the puddler passes flocculation tank (15) bottom and is connected with the center department of stirring disc (18) lower surface, the puddler passes flocculation tank (15) bottom department and installs mechanical seal (33), stirring disc (18) upper surface vertical fixation has 4 bar pole settings (32).

4. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the flocculation tank (15) is provided with a flocculant conveying pipeline (17) connected with an external flocculant.

5. The biological wastewater impurity removal and sterilization device according to claim 3, characterized in that: the periphery of the stirring motor (13) is provided with a protective cover body (20) fixed on the inner top wall of the vertical tank body (9).

6. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the buffer tank (5) is provided with a first pressure gauge (4), and the water storage container (25) is provided with a second pressure gauge (26).

7. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the bottom of the vertical tank body (9) protrudes downwards to form a conical hopper (8), and the conical hopper (8) is provided with a liquid outlet (30).

8. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the first pipeline (2) is provided with a first air valve (3), and the second pipeline (6) is provided with a second air valve (7).

9. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the top of the vertical tank body (9) is provided with an exhaust port (11).

10. The biological wastewater impurity removal and sterilization device according to claim 1, characterized in that: the top of the flocculation tank (15) is provided with a feed inlet (16), and the flocculation tank (15) at the horizontal position with the bottom of the flocculation tank (15) is provided with a slag discharge port (19).

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