CN216756236U

CN216756236U - Gas stirring device for sludge storage pool

Info

Publication number: CN216756236U
Application number: CN202220470545.9U
Authority: CN
Inventors: 周山; 龚节毛; 代进; 何博; 陈恒文
Original assignee: Chongqing Pengshui Drainage Co ltd
Current assignee: Chongqing Pengshui Drainage Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-06-17
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to a gas stirring device for a mud storage pool, which comprises a bottom box, wherein the bottom box is of a stainless steel hollow disc-shaped structure, a plurality of gas dispersing assemblies which are arranged at equal intervals are arranged on the upper side of the bottom box and are communicated with the inside of the bottom box, a gas guide pipe is fixedly connected to the right side of the bottom box, one end, far away from the bottom box, of the gas guide pipe is fixedly connected with a gas storage box, one side of the gas storage box is fixedly connected with a communicating pipe, one end, far away from the gas storage box, of the communicating pipe is provided with a gas pump, and the input end of the gas pump is fixedly connected with a gas inlet pipe; according to the utility model, the excess gas of the biochemical tank is introduced into the bottom box through the gas pump, the gas is diffused from the bottom of the sludge tank through the plurality of gas diffusion assemblies on the upper side of the bottom box, the gas is contacted with the sludge, and the sludge storage tank is aerated, rolled and stirred along with the rising of the gas, so that the contact area of the sewage and the filter material is increased, and the drying effect is improved.

Description

Gas stirring device for sludge storage pool

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a gas stirring device for a sludge storage tank.

Background

The sewage needs to be purified to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

Sludge treatment is an important component of sewage treatment, and is a process for carrying out reduction, stabilization and harmless treatment on sludge. The higher the degree of wastewater treatment, the more sludge residue will be generated and treated. A general sewage treatment plant must be provided with a sludge treatment facility unless the sewage is treated using land treatment or a sewage pond. For modern sewage treatment plants, the treatment and disposal of sludge has become the most complex and costly part of the operation of sewage treatment systems. The water content of the sludge discharged from the sedimentation tank is high, and is usually more than 95%, so that the sludge needs to be dried. Sludge drying mainly comprises two methods of filter pressing of a filter press and drying of a sludge drying pool. Wherein the filter pressing method has large investment and high operating cost. The sludge drying pool drying method has small investment and low operating cost, so that the sludge drying pool is mostly adopted for drying in a place with enough space, the sludge drying pool is also called a sludge storage pool, and the sludge storage pool in the prior art has a simple structure and mainly comprises a pool body part, a filter material part and a drainage part.

When the existing sludge storage tank is used, floaters (oil) float on the uppermost layer, water is in the middle, sludge is at the lowermost layer, water cannot be naturally evaporated and filtered due to the fact that the floaters (oil) separate the contact surface of the water and the air, the sludge at the bottom is directly contacted with a filter material part, the water is isolated, the sludge concentration inside the sludge storage tank is not uniform, and the filter material part cannot achieve the purpose of better filtering, so that the sludge drying effect is not ideal.

Disclosure of Invention

Aiming at the problems in the prior art, the technical problems to be solved by the utility model are as follows: in the prior art, the sludge concentration in the sludge storage tank is not uniform, and the filter material part cannot achieve the purpose of better filtering, so that the sludge drying effect is not ideal.

In order to solve the technical problems, the utility model adopts the following technical scheme: the gas stirring device for the sludge storage tank comprises a bottom box, wherein the bottom box is of a stainless steel hollow disc-shaped structure, the bottom box can be fixedly installed at the bottom of the sludge tank in advance when the gas stirring device is used, a plurality of gas dispersing assemblies arranged at equal intervals are arranged on the upper side of the bottom box, gas is dispersed into the sludge tank through the gas dispersing assemblies so as to stir sludge, the gas dispersing assemblies are communicated with the inside of the bottom box, the sludge rolls along with the rolling of bubbles, so that the inside of the sludge is uniformly distributed, a gas guide pipe for inputting gas into the bottom box is fixedly connected to the right side of the bottom box, a gas storage tank for storing gas is fixedly connected to one end, away from the gas storage tank, of the gas guide pipe, a gas pump is arranged at one end, away from the gas storage tank, of the gas pump, an input end, fixedly connected with a gas inlet pipe, of the gas pump is connected with a biochemical tank through the gas inlet pipe, through the air pump is leading-in with biochemical pond unnecessary gas in the under casing, and pass through a plurality of under casing upside the gas component that looses distributes away gaseous bottom from the sludge impoundment, need not to install electric agitator and stirs mud, and reducible power unit consumption practices thrift production operation cost, and then makes the inside mud of storage mud pond mix with sewage to improve the area of contact of sewage and filter material, improve the mummification effect.

Preferably, the position that the air duct is close to the gas storage tank is provided with the pressure valve, through the gas storage tank is saved gas, gives out after reaching preset pressure, improves gaseous stirring effect.

Preferably, a check valve is arranged in the middle of the communicating pipe, the flowing direction of the check valve points to the gas storage box, and the check valve can prevent gas from flowing back from the gas storage box.

Preferably, the air diffusing component comprises a supporting pipe communicated with the inside of the bottom box, the upper end of the supporting pipe is in a conical structure with a wide lower part and a narrow upper part, the upper end of the supporting pipe is in contact connection with a movable cover, the inside of the movable cover is in a conical structure and matched with the supporting pipe, and when the movable cover moves upwards, air can be led out through a gap between the supporting pipe and the movable cover.

As preferred, the inside middle part fixedly connected with backup pad of stay tube, a plurality of through-holes have been seted up to the upper and lower both sides of backup pad, through the through-hole can be used to derive gas, the guide bar that can reciprocate is worn to be equipped with at the middle part of backup pad, the upper end fixed connection of guide bar is on the inside top of movable cover, the ring side cover of guide bar is equipped with reset spring, reset spring's upper end and lower extreme fixed connection are respectively at the bottom of movable cover and the upside of backup pad, through setting up the guide bar and reset spring when the movable cover rebound looses gas, can avoid the movable cover excessively removes, and is steerable simultaneously the movable cover resets and removes downwards.

Preferably, the upper end ring side of the supporting tube is fixedly connected with a mud blocking block, the mud blocking block is of a conical structure with a narrow upper part and a wide lower part, the inner side of the mud blocking block is just opposite to the position of the movable cover, the movable cover can move up and down in the movable groove, a plurality of air scattering holes which are arranged in an annular equidistant mode are formed in the mud blocking block, the air scattering holes are of a U-shaped structure with a downward opening, the air scattering holes are used for guiding out air, and meanwhile, when external sludge enters the air scattering holes, the external sludge can be blocked through the U-shaped structure, so that the external sludge is prevented from entering the air scattering assembly.

Compared with the prior art, the utility model has at least the following advantages:

1. according to the sludge drying device, an electric stirrer is not required to be arranged to stir sludge, so that the electricity consumption can be reduced, the production and operation cost can be saved, and the sludge in the sludge storage tank is mixed with the sewage, so that the contact area of the sewage and the filter material is increased, and the drying effect is improved; through setting up the bottom that the under casing is in the sludge impoundment, when using, through the air pump with the leading-in under casing of biochemical pond unnecessary gas to a plurality of components that dispel the gas through the under casing upside distribute away gas from the bottom in sludge impoundment, gaseous and mud contact, thereby aerify the stirring of rolling along with gaseous rising to storing up the mud pond.

2. The sludge stirring device can intensively disperse collected gas after pressurization, improves the sludge stirring effect, and particularly stores the gas through the gas storage box by arranging the gas storage box and the pressure valve, so that the gas is dispersed after reaching the preset pressure.

3. The utility model can effectively prevent the sludge from entering the interior of the supporting tube and ensure the running stability of the device, thereby prolonging the service life of the device; particularly, by arranging the movable cover, the mud blocking block and the air dispersing hole, when air is dispersed, the movable cover and the mud blocking block can block the mud.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an air diffusing assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the air diffusing assembly of the present invention.

In the figure: 1. a bottom box; 2. an air diffusing assembly; 3. an air duct; 4. a gas storage tank; 5. a communicating pipe; 6. an air pump; 7. an air inlet pipe; 8. a pressure valve; 9. a one-way valve; 10. supporting a tube; 11. a movable cover; 12. a support plate; 13. a through hole; 14. a guide bar; 15. a return spring; 16. a mud blocking block; 17. a movable groove; 18. air diffusing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

With reference to figures 1-3 of the drawings,

example (b): the gas stirring device for the sludge storage tank comprises a bottom box 1, wherein the bottom box 1 is of a stainless steel hollow disc-shaped structure, the bottom box 1 can be fixedly installed at the bottom of the sludge storage tank in advance when the gas stirring device is used, a plurality of gas diffusing components 2 arranged at equal intervals are arranged on the upper side of the bottom box 1, gas is diffused into the sludge storage tank through the gas diffusing components 2 so as to stir sludge, the gas diffusing components 2 are communicated with the inside of the bottom box 1, the sludge rolls along with the rolling of bubbles so as to enable the inside of the sludge to be uniformly distributed, a gas guide pipe 3 used for inputting gas into the bottom box 1 is fixedly connected to the right side of the bottom box 1, a gas storage tank 4 used for storing gas is fixedly connected to one end, away from the bottom box 1, of the gas storage tank 4 is fixedly connected with a communicating pipe 5, a gas pump 6 is arranged at one end, away from the gas storage tank 4, of the communicating pipe 5, and an input end of the gas pump 6 is fixedly connected with a gas inlet pipe 7, through the aeration pipeline of biochemical pond is connected to intake pipe 7, through air pump 6 is leading-in with biochemical pond unnecessary gas in the under casing 1, and pass through a plurality of under casing 1 upside the gas subassembly 2 that looses distributes away gas from the bottom of sludge impoundment, need not to install electric agitator and stirs mud, and reducible electricity unit consumption practices thrift production operation cost, and then makes the inside mud of storage mud pond mix with sewage to improve the area of contact of sewage and filter material, improve the mummification effect.

Preferably, the position that air duct 3 is close to gas storage tank 4 is provided with pressure valve 8, through gas storage tank 4 stores gas, gives out after reaching preset pressure, improves gaseous stirring effect.

Preferably, a check valve 9 is arranged in the middle of the communication pipe 5, the flow direction of the check valve 9 points to the gas storage tank 4, and the check valve 9 is arranged to prevent gas from flowing back from the gas storage tank 4.

Preferably, the air diffusing component 2 comprises a support pipe 10 communicated with the inside of the bottom case 1, the upper end of the support pipe 10 is in a conical structure with a wide lower part and a narrow upper part, the upper end of the support pipe 10 is in contact connection with a movable cover 11, the inside of the movable cover 11 is in a conical structure and is matched with the support pipe 10, and when the movable cover 11 moves upwards, air can be led out through a gap between the support pipe 10 and the movable cover 11.

Preferably, a support plate 12 is fixedly connected to the middle of the inside of the support tube 10, a plurality of through holes 13 are formed in the upper side and the lower side of the support plate 12, the through holes 13 can be used for guiding out gas, a guide rod 14 capable of moving up and down is arranged in the middle of the support plate 12 in a penetrating manner, the upper end of the guide rod 14 is fixedly connected to the top end of the inside of the movable cover 11, a return spring 15 is sleeved on the ring side of the guide rod 14, the upper end and the lower end of the return spring 15 are fixedly connected to the bottom of the movable cover 11 and the upper side of the support plate 12 respectively, and by means of the guide rod 14 and the return spring 15, when the movable cover 11 moves upwards to disperse gas, the movable cover 11 can be prevented from moving excessively, and meanwhile, the movable cover 11 can be controlled to move downwards in a returning manner.

Preferably, a mud blocking block 16 is fixedly connected to the upper end ring side of the support tube 10, the mud blocking block 16 is a conical structure with a narrow upper part and a wide lower part, the inner side of the mud blocking block 16 is opposite to the position of the movable cover 11, the movable cover 11 can move up and down in the movable groove 17, a plurality of air diffusing holes 18 which are arranged in an annular and equidistant manner are formed in the mud blocking block 16, the air diffusing holes 18 are of a downward-opening U-shaped structure, the air diffusing holes 18 are used for guiding out air, and when external sludge enters the air diffusing holes 18, the external sludge can be blocked by the U-shaped structure, so that the external sludge is prevented from entering the air diffusing assembly 2.

The specific working principle is as follows: when the sludge drying device is used, the bottom box 1 is fixedly arranged at the bottom of a sludge pool in advance, redundant gas in the biochemical pool is introduced into the bottom box 1 through the gas pump 6, the gas is emitted from the bottom of the sludge pool through the plurality of gas emitting assemblies 2 on the upper side of the bottom box 1, the gas is in contact with the sludge, the sludge storage pool is inflated, rolled and stirred along with the rising of the gas, an electric stirrer is not required to be arranged for stirring the sludge, the electricity consumption is reduced, the production and operation cost is saved, and the sludge in the sludge storage pool is mixed with the sewage, so that the contact area of the sewage and a filter material is increased, and the drying effect is improved; furthermore, the collected gas can be pressurized and then intensively distributed out by arranging the gas storage tank 4 and the pressure valve 8, so that the sludge stirring effect is improved, and the gas can be prevented from flowing back from the gas storage tank 4 by arranging the one-way valve 9; meanwhile, by arranging the movable cover 11, the mud blocking block 16 and the air dispersing hole 18, when air is dispersed, the movable cover 11 moves upwards, the gas can be conducted out through the gap between the support tube 10 and the movable cover 11, can be used for conducting out through the through-hole 13, when the movable cover 11 moves upwards to disperse air, the movable cover 11 can be prevented from moving excessively, meanwhile, the movable cover 11 can be controlled to reset and move downwards, the movable cover 11 can move up and down in the movable groove 17, the air dispersing holes 18 are used for guiding out air, meanwhile, when entering the air diffusion holes 18, the outside sludge can be blocked by the U-shaped structure to avoid entering the air diffusion component 2, thereby effectively preventing the sludge from entering the supporting tube 10 and ensuring the running stability of the device, thereby prolonging the service life of the device.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a store up gaseous agitating unit in mud pond which characterized in that: including under casing (1), under casing (1) is stainless steel hollow discoid structure, the upside of under casing (1) is provided with the subassembly (2) that looses that a plurality of equidistance set up, the subassembly (2) that looses communicates with each other with under casing (1) is inside, the right side fixedly connected with air duct (3) of under casing (1), one end fixedly connected with gas receiver (4) of under casing (1) are kept away from in air duct (3), one side fixedly connected with communicating pipe (5) of gas receiver (4), the one end of keeping away from gas receiver (4) communicating pipe (5) is provided with air pump (6), the input fixedly connected with intake pipe (7) of air pump (6).

2. The gas stirring device for a sludge storage tank according to claim 1, wherein: and a pressure valve (8) is arranged at the position of the air duct (3) close to the air storage box (4).

3. The gas stirring device for a sludge storage tank according to claim 1, wherein: the middle part of the communicating pipe (5) is provided with a one-way valve (9), and the flowing direction of the one-way valve (9) points to the gas storage box (4).

4. The gas stirring device for a sludge storage tank according to claim 1, wherein: the air diffusing component (2) comprises a supporting pipe (10) communicated with the inside of the bottom box (1), the upper end of the supporting pipe (10) is of a conical structure with a wide lower part and a narrow upper part, the upper end of the supporting pipe (10) is connected with a movable cover (11) in a contact manner, and the inside of the movable cover (11) is of a conical structure and is matched with the supporting pipe (10).

5. The gas stirring device for a sludge storage tank according to claim 4, wherein: the utility model discloses a supporting tube, including the inside middle part fixedly connected with backup pad (12) of stay tube (10), a plurality of through-holes (13) have been seted up to the upper and lower both sides of backup pad (12), guide bar (14) that can reciprocate are worn to be equipped with in the middle part of backup pad (12), the upper end fixed connection of guide bar (14) is on the inside top of movable cover (11), the ring side cover of guide bar (14) is equipped with reset spring (15), the upper end and the lower extreme of reset spring (15) are fixed connection respectively in the bottom of movable cover (11) and the upside of backup pad (12).

6. The gas stirring device for a sludge storage tank according to claim 4, wherein: the upper end ring side fixedly connected with fender mud piece (16) of stay tube (10), fender mud piece (16) are the conical structure of width under the narrow upper portion and inboard just seted up movable groove (17) to the position of movable cover (11), the inside of fender mud piece (16) is seted up a plurality of scattered gas pockets (18) that are the setting of annular equidistance, scattered gas pocket (18) are the U-shaped structure of opening decurrent.