CN216375913U - Sludge temporary storage tank - Google Patents

Abstract

The utility model provides a sludge temporary storage tank, which relates to the technical field of sludge treatment, in particular to a sludge temporary storage tank, and comprises a tank body, a sludge feeding pipe arranged on the top surface of the tank body and a sludge discharging pipe arranged at the central position of the bottom of the tank body, wherein a stirring device is arranged at the central position of the top surface of the tank body, a plurality of auxiliary discharging pipes communicated with the sludge discharging pipe are uniformly distributed at the bottom of the tank body along the circumferential direction, the middle part of each auxiliary discharging pipe is connected with a water inlet pipe, one end, far away from the auxiliary discharging pipes, of the water inlet pipe is connected with a supercharger, and a first nozzle with a water outlet facing the inside of the auxiliary discharging pipe is arranged at the joint of the water inlet pipe and the auxiliary discharging pipes. The problem of because of the sludge fermentation leads to the sludge in the exit to have certain negative pressure, cause the ejection of compact difficulty is solved.

Description

Sludge temporary storage tank

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a temporary sludge storage tank.

Background

Sludge is a solid precipitate produced by water and sewage treatment processes, and sludge treatment is a process of concentrating, conditioning, dewatering, stabilizing, drying or incinerating sludge, and there are many methods for treating sludge, such as chemical and physical methods: incineration, oxychlorination, ozone oxidation and combustion, biological treatment methods such as: bioremediation, traditional composting, and the like.

In the process of entering the dehydration procedure after the sludge conditioning is finished, the sludge temporary storage tank is required to be used for conveying and temporarily storing the sludge. Because the sludge has certain viscosity, the sludge is easy to agglomerate in the temporary storage tank, and the phenomena of blockage, arching and the like of a discharge port can be caused; meanwhile, when sludge in the tank needs to be discharged, the sludge at the outlet has certain negative pressure due to the fermentation condition of the sludge, so that the discharging is difficult; in addition, when the equipment is overhauled, the sludge needs to be stored for a long time, and the sludge can be agglomerated and arched and can also be fermented to generate a large amount of harmful gas.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides a temporary sludge storage tank, which aims to solve the problem that sludge at an outlet is difficult to discharge due to certain negative pressure caused by sludge fermentation.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model provides a mud jar of keeping in, it includes a jar body, jar body top and bottom are provided with mud inlet pipe and mud discharging pipe respectively, and the internal agitating unit of jar lets in is installed at the top of jar body, and jar body bottom has a plurality ofly along the circumferencial direction equipartition with the helping calandria of mud discharging pipe intercommunication, helps the calandria middle part to be connected with the inlet tube, and the inlet tube is kept away from to help calandria one end and is connected with the booster, and the inlet tube is installed the delivery port orientation with helping the calandria junction and is helped the inside first nozzle of calandria.

Furthermore, a plurality of second nozzles are uniformly distributed along the edge of the top surface of the tank body, and water outlets of the second nozzles are vertically downward along the side wall of the tank body. The sludge is stuck on the inner wall of the tank body for a long time and is agglomerated, the inner wall of the tank body can be corroded, the inner wall of the tank body is cleaned by spraying water to the inner wall of the tank body from a second nozzle in an unscheduled manner, and the service life of the sludge temporary storage tank is greatly prolonged.

Further, agitating unit includes vertical agitator that sets up in the jar internal and installs the motor in jar body top outside, and the motor passes through decelerator with the agitator and is connected, and the agitator includes the center pin, is provided with the flight along the axial on the center pin periphery. The stirrer is driven to rotate by the motor, so that the sludge in the tank is always in a flowing state, and the probability of sludge caking and arching is greatly reduced.

Further, jar body top surface circumferencial direction equipartition has a plurality of third nozzles, and a plurality of third nozzles surround in the center pin outside, and third nozzle delivery port is towards the flight. The sludge is adhered to the central shaft or the spiral sheet for a long time, so that the load of the motor is increased, and energy is wasted; meanwhile, the central shaft and the spiral sheets cannot be cleaned for a long time, accumulated sludge blocks are too much, and the arch breaking effect of the stirring device can be seriously reduced. The central shaft and the spiral sheet are cleaned through the third nozzle, so that the service life of the stirrer can be prolonged, and the arch breaking effect of the stirring device is kept.

Further, jar body top is passed through the exhaust-gas line and is communicated with exhaust treatment device, and jar body top is kept away from exhaust-gas line one end and is provided with the intake pipe, and the intake pipe is kept away from jar body one end and is connected with the gas delivery form and put. The gas supply device supplies gas to the tank through the gas supply pipe, and harmful gas in the tank is supplied to the waste gas treatment device through the flowing of the gas to be treated, so that the emission of the harmful gas is greatly reduced, and the environment is protected.

Further, exhaust treatment device includes the box and installs a plurality of ultraviolet lamp in the box, and the box is kept away from exhaust pipe one end and is provided with the outlet duct. Poisonous and harmful gas in the waste gas is effectively degraded through the ultraviolet lamp, various bacteria can be effectively killed, and toxin released by the bacteria or fungi can be decomposed and harmlessly treated, so that the discharged gas is harmless gas meeting the discharge standard.

Further, the surface of the tank body is sprayed with an anti-corrosion wear-resistant coating. The sludge can corrode the tank body after being stored for a long time, and the sprayed anticorrosive wear-resistant coating can protect the inner wall of the tank body, so that the service life of the tank body is greatly prolonged.

The utility model has the beneficial effects that:

the sludge enters the tank body through the sludge feeding pipe, and the stirring device drives the sludge in the tank body to flow ceaselessly, so that the sludge can be effectively prevented from caking and arching; when mud in the jar is discharged to needs, in advancing the row's of helping through the water injection of first nozzle in with the inlet tube, because first nozzle spun rivers are fast for help the interior gas of row's pipe and mud discharging pipe also can outwards flow fast, just can form the negative pressure in helping row's pipe and mud discharging pipe, thereby with the interior discharge of jar accessible and quick follow jar of mud in jar.

Drawings

FIG. 1 is a structural diagram of the sludge temporary storage tank

FIG. 2 is a view showing the structure of a first branch pipe

Wherein, 1, a tank body; 101. a sludge feeding pipe; 102. a sludge discharge pipe; 103. an exhaust gas pipe; 104. an air inlet pipe; 2. a stirring device; 21. a stirrer; 211. a central shaft; 212. a spiral sheet; 22. a motor; 23. A reduction gear; 3. a first nozzle; 4. a discharge assisting pipe; 5. a water inlet pipe; 51. a first branch pipe; 52. a first solenoid valve; 53. a second branch pipe; 54. a second solenoid valve; 6. a second nozzle; 7. a third nozzle; 8. An exhaust gas treatment device; 81. a box body; 82. an ultraviolet lamp; 83. and an air outlet pipe.

Detailed Description

The general idea for solving the technical problems in the embodiment of the application is as follows:

for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

As shown in fig. 1, the sludge temporary storage tank comprises a tank body 1, a sludge feeding pipe 101 and a sludge discharging pipe 102 are respectively arranged at the top and the bottom of the tank body 1, and in this embodiment, the tank body 1 is made of carbon steel QB 235. The outer interfaces of the sludge feeding pipe 101 and the sludge discharging pipe 102 are provided with flat welding stainless steel flanges for butt joint; 1 bottom of the jar body is conical, and the awl point is downward, in addition, has a plurality of supporting legs along the vertical equipartition in 1 bottom edge of the jar body, and 1 surface spraying of the jar body has anticorrosive wear-resistant coating, and coating material is polyurethane anticorrosive paint coating.

A plurality of discharge-assisting pipes 4 communicated with the sludge discharge pipe 102 are uniformly distributed at the bottom of the tank body 1 along the circumferential direction, and the middle parts of the discharge-assisting pipes 4 are connected with water inlet pipes 5. The inlet tube 5 is kept away from and helps 4 one ends of calandria to be connected with the booster, and in this embodiment, the model is the vertical single-stage tubing pump of ISG type for use to the booster. The first nozzle 3 with the delivery port inside towards the auxiliary exhaust pipe 4 is installed with the auxiliary exhaust pipe 4 junction to inlet tube 5, is provided with first solenoid valve 52 on the first flow branch pipe 51 of inlet tube 5 along first nozzle 3 direction, and first solenoid valve 52 and control end electric connection. As shown in fig. 2, the first branch pipe 51 is arranged in a ring shape and is communicated with the discharge-assisting pipe 4 through a flange.

The central position of the top surface of the tank body 1 is provided with a stirring device 2, the stirring device 2 comprises a stirrer 21 vertically arranged in the tank body 1 and a motor 22 arranged on the outer side of the top of the tank body 1, and the motor 22 is connected with the stirrer 21 through a speed reducer 23. In this embodiment, the speed reducer 23 is two bevel gears engaged with each other, the pinion gear is fixedly connected with the output shaft of the motor 22, the gearwheel is fixedly connected with the stirrer 21, and the motor 22 is fixed on the outer top surface of the tank 1 by using screws. The agitator 21 includes a central shaft 211, and a spiral piece 212 is axially provided on the circumferential surface of the central shaft 211.

A plurality of second nozzles 6 are uniformly distributed on the edge of the top surface of the tank body 1, and water outlets of the second nozzles 6 are vertically downward along the side wall of the tank body 1; a plurality of third nozzles 7 are uniformly distributed on the top surface of the tank body 1 along the circumferential direction, the plurality of third nozzles 7 surround the outer side of the central shaft 211, and the water outlets of the third nozzles 7 face the spiral piece 212. The second nozzle 6 and the third nozzle 7 are both connected with the water inlet pipe 5, a second solenoid valve 54 is arranged on a second branch flow pipe 53 of the water inlet pipe 5 along the direction of the second nozzle 6 and the third nozzle 7, and the second solenoid valve 54 is electrically connected with a control end.

The top of the tank body 1 is provided with a waste gas pipe 103, one end of the waste gas pipe 103, which is far away from the tank body 1, is connected with a waste gas treatment device 8, one end of the tank body 1, which is far away from the waste gas pipe 103, is provided with an air inlet pipe 104, and one end of the air inlet pipe 104, which is far away from the tank body 1, is connected with a gas delivery device. In this embodiment, the gas supply device is a roots blower, and the gas inlet pipe 104 and the gas outlet pipe 103 are disposed at the top edge of the tank 1 and at the two ends of the same diameter line. The exhaust gas treatment device 8 comprises a box body 81 and a plurality of ultraviolet lamps 82 arranged in the box body 81, and an air outlet pipe 83 is arranged at one end of the box body 81 far away from the exhaust gas pipe 103.

The sludge temporary storage tank has the use flow as follows:

sludge is sent into the tank body 1 through the sludge feeding pipe 101 for storage, and the starting motor 22 drives the stirrer 21 to continuously stir the sludge, so that the sludge is always in a flowing state. When the sludge in the tank body 1 needs to be discharged, firstly, the air supply device is started to send harmful waste gas above the tank body 1 into the waste gas treatment device 8, and the waste gas is degraded by the ultraviolet lamp 82; after the waste gas treatment is finished, the air supply device is closed, the supercharger and the first electromagnetic valve 52 are opened, negative pressure is formed in the auxiliary discharge pipe 4 and the sludge discharge pipe 102 through the torrent generated by the first nozzle 3, and the sludge in the tank body 1 is discharged; after all the sludge is discharged, closing the first electromagnetic valve 52, opening the second electromagnetic valve 54, and cleaning the inner wall of the tank body 1 and the stirrer 21 through the second nozzle 6 and the third nozzle 7; after the purge is completed, the booster and the second solenoid valve 54 are closed.

In view of the above, it is desirable to provide,

it should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications in these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the machine equivalent technology of the claims of the present invention, it is intended that the present invention also include such modifications and variations.

Claims (7)

1. The utility model provides a mud jar of keeping in, a serial communication port, including a jar body (1), jar body (1) top and bottom are provided with mud inlet pipe (101) and mud discharging pipe (102) respectively, install at the top of jar body (1) and let in agitating unit (2) in the jar body (1), jar body (1) bottom along the circumferencial direction equipartition have a plurality ofly with mud discharging pipe (102) intercommunication help calandria (4), help calandria (4) middle part to be connected with inlet tube (5), inlet tube (5) are kept away from help calandria (4) one end to be connected with the booster, inlet tube (5) with help calandria (4) junction to install the delivery port orientation help inside first nozzle (3) of calandria (4).

2. The sludge temporary storage tank of claim 1, wherein a plurality of second nozzles (6) are uniformly distributed along the edge of the top surface of the tank body (1), and water outlets of the second nozzles (6) are vertically downward along the side wall of the tank body (1).

3. The sludge temporary storage tank of claim 1, wherein the stirring device (2) comprises a stirrer (21) vertically arranged in the tank body (1) and a motor (22) arranged outside the top of the tank body (1), the motor (22) is connected with the stirrer (21) through a speed reducer (23), the stirrer (21) comprises a central shaft (211), and a spiral sheet (212) is axially arranged on the circumferential surface of the central shaft (211).

4. The sludge temporary storage tank of claim 3, wherein a plurality of third nozzles (7) are uniformly distributed on the top surface of the tank body (1) along the circumferential direction, the plurality of third nozzles (7) surround the outer side of the central shaft (211), and the water outlets of the third nozzles (7) face the spiral plate (212).

5. The sludge temporary storage tank as claimed in claim 1, wherein the top of the tank body (1) is communicated with an exhaust gas treatment device (8) through an exhaust gas pipe (103), an air inlet pipe (104) is arranged at one end of the top of the tank body (1) far away from the exhaust gas pipe (103), and one end of the air inlet pipe (104) far away from the tank body (1) is connected with an air feeding device.

6. A sludge temporary storage tank according to claim 5, characterized in that the waste gas treatment device (8) comprises a tank body (81) and a plurality of ultraviolet lamps (82) arranged in the tank body (81), and an air outlet pipe (83) is arranged at one end of the tank body (81) far away from the waste gas pipe (103).

7. The sludge temporary storage tank as claimed in claim 1, wherein the surface of the tank body (1) is coated with an anti-corrosion wear-resistant coating.

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