CN205803285U - A kind of sewage plant sludge digestion denitrogenation and sludge stabilization gasifying device - Google Patents

Abstract

The utility model discloses a sewage plant sludge digestion denitrification and sludge stabilization device, which comprises a digestion tank, a first denitrification tank, a second denitrification tank and a sedimentation tank. Sludge inlet, the sludge inlet is provided with a slant plate, the digester is provided with digestive juice, the top of the digester is fixedly connected to the liquid change port and the flip cover arranged on the liquid change port, the digester One side is provided with a first denitrification pool, and the digester is connected with the first denitrification pool through a diversion pipe, and one side of the first denitrification pool is provided with a second denitrification pool, and the first denitrification pool is provided with a second denitrification pool. A diversion pipe is provided between the tank and the second denitrification tank, and a denitrification liquid device is provided on the top of the first denitrification tank and the second denitrification tank, and a nozzle is arranged in the denitrification liquid device, and the denitrification liquid device is equipped with a nozzle. A liquid injection port is provided on the top of the liquid container, and a sedimentation tank is provided on one side of the second denitrification tank. The utility model is convenient to digest and denitrify the sludge through the digestion tank, the first denitrification tank, the second denitrification tank and the sedimentation tank, and the sedimentation is stable.

Description

A sewage plant sludge digestion denitrification and sludge stabilization device

technical field

The utility model relates to a sludge stabilization device, in particular to a sewage plant sludge digestion denitrification and sludge stabilization device.

Background technique

Sewage, usually refers to certain polluted discharge water from domestic and production. Sewage mainly includes domestic sewage, industrial wastewater and initial rainwater. The main pollutants of sewage are pathogen pollutants, oxygen-consuming pollutants, plant nutrients and toxic pollutants, etc. Nowadays, with the rapid development of industry and the rapid development of people's living conditions, more and more sewage, so now many areas There are all sewage plants, but the traditional sewage plants are not very good at treating sludge, so now there is an urgent need for a sewage plant sludge digestion and denitrification and sludge stabilization device.

Utility model content

The main purpose of the utility model is to provide a sewage plant sludge digestion and denitrification and sludge stabilization device, through the digestion tank, the first denitrification tank, the second denitrification tank and the sedimentation tank, it is convenient to digest and denitrify the sludge , the sedimentation is stable, and through the inclined plate in the sludge inlet, it is convenient to send the sludge into the device better, and through the denitrification liquid device and denitrification liquid at the top of the first denitrification tank and the second denitrification tank The liquid injection port on the top of the device and the nozzle inside can better integrate the denitrification liquid into the digestive liquid for denitrification, which greatly improves the effect of denitrification, and can save materials at the same time. The liquid is discharged through the filter screen and the sedimentation plate at the same time to facilitate the sedimentation of the sludge, and through the multiple grooves on the sedimentation plate, the sedimentation effect can be greatly improved, and the cover is detachably connected to the sedimentation tank, which is convenient for the sedimentation tank. The sludge cleaning can effectively solve the problems in the background technology.

In order to achieve the above object, the technical scheme that the utility model takes is:

A sewage plant sludge digestion denitrification and sludge stabilization device, including a digestion tank, a first denitrification tank, a second denitrification tank and a sedimentation tank, a sludge inlet is provided on the top of one side of the digestion tank, The sludge inlet is provided with a slant plate, the digester is provided with digestive juice, the top of the digester is fixedly connected to the liquid change port and the flip cover arranged on the liquid change port, and the digester side is provided with a second A denitrification tank, the digestion tank is connected to the first denitrification tank through a diversion pipe, a second denitrification tank is provided on one side of the first denitrification tank, and the first denitrification tank is connected to the second denitrification tank A diversion pipe is arranged between the nitrogen pools, a denitrification liquid container is provided on the top of the first denitrification pool and the second denitrification pool, a nozzle is arranged in the denitrification liquid container, and a A liquid injection port, a settling tank is provided on one side of the second denitrification tank, a diversion pipe is provided between the settling tank and the second denitrification tank, a drain port is provided on one side of the settling tank, and a discharge port is arranged on the drain The liquid discharge valve on the liquid port, the inside of the liquid discharge port is provided with a filter screen, the bottom of the sedimentation tank is provided with a cover, the cover is detachably connected to the sedimentation tank, and the inside of the cover is fixedly connected to the sedimentation plate and set Multiple grooves on the settling plate.

Further, each of the diversion pipes is provided with a diversion valve.

Further, there are at least two spray heads in the denitrification liquid tank.

Further, the filter screen is fixedly connected with the inner wall of the sedimentation tank.

Further, the inclined plate is an inclined plate with an angle of 30 to 45 degrees.

Compared with the prior art, the utility model has the following beneficial effects: a sewage plant sludge digestion denitrification and sludge stabilization device, through the diversion valve on each diversion pipe, it is convenient for the control device to be better running, and there are at least two nozzles in the denitrification liquid device, which can improve the denitrification effect, and through the fixed connection between the filter screen and the inner wall of the sedimentation tank, the filter screen can be better fixed, and the inclined plate is used for Thirty to forty-five degree inclined plate can greatly improve the effect of feeding.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a sewage plant sludge digestion denitrification and sludge stabilization device of the present invention.

Fig. 2 is a structural schematic diagram of a settling plate of a sewage plant sludge digestion denitrification and sludge stabilization device of the present invention.

In the figure: 1. Inclined plate; 2. Sludge inlet; 3. Digester; 4. Liquid replacement port; 9, denitrification liquid device; 10, nozzle; 11, second denitrification pool; 12, diversion valve; 13, sedimentation tank; 14, filter screen; 15, drain valve; 16, drain port; 17, Cover; 18, sedimentation plate; 19, digestive solution; 20, groove.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-2, a sewage plant sludge digestion denitrification and sludge stabilization device, including a digestion tank 3, a first denitrification tank 7, a second denitrification tank 11 and a sedimentation tank 13, the digestion The top of one side of the pool 3 is provided with a sludge feed port 2, the sludge feed port 2 is provided with a slant plate 1, the digester 3 is provided with a digestate 19, and the top of the digester 3 is fixedly connected to the The liquid port 4 and the flip cover 5 arranged on the liquid exchange port 4, the first denitrification pool 7 is provided on one side of the digestion tank 3, and the guide pipe 6 is passed between the digestion pool 3 and the first denitrification pool 7 connected, the first denitrification pool 7 is provided with a second denitrification pool 11, and a guide pipe 6 is provided between the first denitrification pool 7 and the second denitrification pool 11, and the first denitrification pool 11 is provided with a guide pipe 6. The top of the nitrogen pool 7 and the second denitrification pool 11 is provided with a denitrification liquid container 9, and a spray nozzle 10 is arranged in the said denitrification liquid container 9, and a liquid injection port 8 is provided at the top of the said denitrification liquid container 9, and said first One side of the second denitrification tank 11 is provided with a settling tank 13, and a guide pipe 6 is provided between the settling tank 13 and the second denitrification tank 11, and the settling tank 13 side is provided with a drain port 16 and is arranged on The drain valve 15 on the drain port 16, the inner side of the drain port 16 is provided with a filter screen 14, and the bottom of the sedimentation tank 13 is provided with a cover 17, and the cover 17 is detachably connected with the sedimentation tank 13. The inside of the cover 17 is fixedly connected to the sedimentation plate 18 and a plurality of grooves 20 arranged on the precipitation plate 18 .

The utility model is a sewage plant sludge digestion denitrification and sludge stabilization device, through the digestion tank 3, the first denitrification tank 7, the second denitrification tank 11 and the sedimentation tank 13, it is convenient to digest and denitrify the sludge, The sedimentation is stable, and through the inclined plate 1 in the sludge inlet 2, it is convenient to send the sludge into the device better, and through the denitrification liquid tank on the top of the first denitrification tank 7 and the second denitrification tank 11 9 and the liquid injection port 8 on the top of the denitrification liquid device 9 and the nozzle 10 inside can better integrate the denitrification liquid into the digestive liquid for denitrification, greatly improving the effect of denitrification, and can save materials at the same time. And through the liquid discharge port 16, it is convenient to discharge the liquid, and at the same time, it is convenient to settle the sludge through the filter screen 14 and the settling plate 18, and through the multiple grooves 20 on the settling plate 18, the sedimentation effect can be greatly improved, and through The cover 17 is detachably connected with the settling tank 13 to facilitate the cleaning of the sludge in the settling tank 13 .

Wherein, each diversion pipe 6 is provided with a diversion valve 12, and the diversion valve 12 on each diversion pipe 6 facilitates better operation of the control device.

Wherein, there are at least two spray heads 10 in the denitrification liquid vessel 9 , and the denitrification effect can be improved by having at least two spray heads 10 in the denitrification liquid vessel 9 .

Wherein, the filter screen 14 is fixedly connected with the inner wall of the sedimentation tank 13, and the filter screen 14 can be better fixed through the fixed connection of the filter screen 14 with the inner wall of the sedimentation tank 13.

Wherein, the slant plate 1 is a slant plate with an angle of 30 to 45 degrees, and the effect of feeding materials can be greatly improved by using the slant plate 1 with an angle of 30 to 45 degrees.

It should be noted that the utility model is a sewage plant sludge digestion denitrification and sludge stabilization device. When working, the sludge is first poured from the sludge inlet 2, and then through the inclined plate 1, the sludge can be The sludge is better poured into the device, and then the sludge enters the digester 3 and is digested by the digestive liquid 19, and then the diversion valve 12 can be opened to allow the digested sludge to enter the first denitrification tank 7 and the second denitrification tank 11 denitrification, then enters and exits the sedimentation tank 13 for sedimentation, and then discharges the liquid through the liquid discharge port 16. In addition, the cover 17 is detachably connected with the sedimentation tank 13 to facilitate cleaning of the sludge in the sedimentation tank 13.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. null1. a sewage plant sludge digestion denitrogenation and sludge stabilization gasifying device，Including digester (3)、First denitrification tank (7)、Second denitrification tank (11) and sedimentation tank (13)，It is characterized in that: described digester (3) side roof part is provided with mud feeding mouth (2)，It is provided with swash plate (1) in described mud feeding mouth (2)，Digestive system (19) it is provided with in described digester (3)，Described digester (3) top is fixing connect liquid exchange opening (4) and be arranged in liquid exchange opening (4) renovate (5)，Described digester (3) side is provided with the first denitrification tank (7)，It is connected by mozzle (6) between described digester (3) with the first denitrification tank (7)，Described first denitrification tank (7) side is provided with the second denitrification tank (11)，It is provided with mozzle (6) between described first denitrification tank (7) and the second denitrification tank (11)，Described first denitrification tank (7) and the second denitrification tank (11) top are provided with denitrogenation liquid device (9)，It is provided with shower nozzle (10) in described denitrogenation liquid device (9)，Described denitrogenation liquid device (9) top is provided with liquid injection port (8)，Described second denitrification tank (11) side is provided with sedimentation tank (13)，Mozzle (6) it is provided with between described sedimentation tank (13) and the second denitrification tank (11)，Described sedimentation tank (13) side is provided with leakage fluid dram (16) and the tapping valve (15) being arranged on leakage fluid dram (16)，Described leakage fluid dram (16) inner side is provided with drainage screen (14)，Described sedimentation tank (13) bottom is provided with capping (17)，Described capping (17) removably connects with sedimentation tank (13)，Internal fixing connection precipitation plate (18) of described capping (17) and the multiple grooves (20) being arranged on precipitation plate (18).
2. A kind of sewage plant sludge digestion denitrogenation the most according to claim 1 and sludge stabilization gasifying device, it is characterised in that: it is equipped with guide valve (12) on described mozzle (6).
3. A kind of sewage plant sludge digestion denitrogenation the most according to claim 1 and sludge stabilization gasifying device, it is characterised in that: shower nozzle (10) at least two in described denitrogenation liquid device (9).
4. A kind of sewage plant sludge digestion denitrogenation the most according to claim 1 and sludge stabilization gasifying device, it is characterised in that: described drainage screen (14) is fixing with sedimentation tank (13) inwall to be connected.
5. A kind of sewage plant sludge digestion denitrogenation the most according to claim 1 and sludge stabilization gasifying device, it is characterised in that: described swash plate (1) is the swash plate of 30 to four ten five degree.