CN217868558U

CN217868558U - Sludge reduction treatment device

Info

Publication number: CN217868558U
Application number: CN202221495478.2U
Authority: CN
Inventors: 韩小清
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-11-22
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a sludge reduction treatment device relates to sludge treatment technical field. Specifically, the method comprises the following steps: the multifunctional water tank comprises a tank body and functional modules arranged in the tank body; the functional module comprises an air inlet module, a water inlet module, a supporting module, a water outlet module and an exhaust module which are arranged from bottom to top in sequence; the treatment device also includes an optional fixture, a drain, and a service module. The utility model realizes the sufficient contact reaction of sludge and filler by the lower water inlet mode and the diversified bearing module design, and the sludge reduction is more than or equal to 80 percent through the benign combination of microorganism metabolism, biological chain and food chain; and because the water outlet module is positioned at the upper part of the device, the water can flow back to the designated position by gravity for carbon source supplement, thereby saving the operation cost of the process.

Description

Sludge reduction treatment device

Technical Field

The utility model relates to a sludge treatment technical field particularly, relates to a mud minimizing treatment device.

Background

With the popularization of modern sewage treatment facilities, the improvement of treatment rate and the deepening of treatment degree, the production amount of excess sludge in sewage treatment plants is also greatly increased every year, thereby causing a series of wastes such as secondary pollution or environmental protection problems to be increasingly serious. The essence of the biochemical treatment of the sewage is that organic matters in a colloid or dissolved state in the sewage are used as a nutrient source of microorganisms and are converted into carbon dioxide, water and biomass, and the excessive biomass forms residual sludge generated by the biochemical treatment. The excess sludge belongs to solid waste, contains a large amount of toxic and harmful substances and unstabilized organic substances, and can cause serious pollution to the environment after being discharged if the excess sludge is not properly treated. The existing sludge disposal methods mainly comprise in-situ treatment and post-treatment.

At present, the sludge in-situ reduction technology is mainly divided into a biological method and a chemical method, the chemical treatment mainly adopts methods such as ozone, ultrasonic wave, pyrohydrolysis and the like to oxidize and decompose the sludge, the operation is simple, but the removal efficiency is limited, and secondary pollution is easily caused; conventionally, methods such as a biological membrane method, a delayed aeration method and the like reduce the sludge production of an activated sludge process by about 50%, but it is quite difficult to continuously improve the removal rate.

At present, the post-reduction technology of sludge mainly comprises landfill treatment, natural drying treatment, composting treatment or incineration treatment of sludge, or the like, or higher time cost is needed, or threat to the environment exists, and the current greening requirement is difficult to realize.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud minimizing processing apparatus, through the lower water inlet mode and diversified bearing module design realized mud and the abundant contact reaction of filler, through the benign combination of microorganism metabolism, biological chain and food chain, make mud decrement be more than or equal to 80%; and because the water outlet module is positioned at the upper part of the device, the water can flow back to the designated position by gravity for carbon source supplement, thereby saving the operation cost of the process.

In order to realize the above purpose of the utility model, the following technical scheme is adopted:

a sludge reduction treatment device comprises a tank body and functional modules arranged in the tank body;

the functional module comprises an air inlet module, a water inlet module, a supporting module, a water outlet module and an exhaust module which are sequentially arranged from bottom to top.

Preferably, the air intake module comprises at least one of an air intake, an air intake valve and an air distribution line;

more preferably, the air intake module comprises an air inlet, an air intake valve and an aeration pipeline at the same time;

more preferably, the number of the air inlets, the air inlet valves and the aeration lines is at least 1.

Preferably, the water inlet module comprises at least one of a water inlet, a water inlet valve and a water distribution pipeline;

more preferably, the water inlet module comprises a water inlet, a water inlet valve and a water distribution pipeline at the same time;

more preferably, the number of the water inlet, the water inlet valve and the water distribution pipeline is at least 1.

Preferably, the support module comprises at least 1 number of support plates;

more preferably, the supporting plate is fixedly connected and/or movably connected with the inner wall of the tank body.

Preferably, the water outlet module comprises a water outlet and an outlet weir plate;

more preferably, the number of the water outlets and the water outlet weirs is at least 1.

Preferably, the sludge reduction treatment device further comprises a fixing device arranged outside the tank body;

more preferably, the fixing means comprises at least one of an anchor bolt, a bracket assembly, a base assembly or a clamping assembly.

Preferably, the sludge reduction treatment device further comprises a discharge device arranged outside the tank body and used for discharging the sludge after the reduction treatment to a specified position.

Preferably, the functional module further comprises a service module; the service module includes at least one of a service opening, a service channel, and a service assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses can extensively be used for municipal administration and industrial waste water treatment and transformation, can not only reduce mud output on a large scale, can also optionally pack various fillers, make mud have better TN, TP or COD and get rid of the effect.

(2) The utility model discloses a design of intaking down, going up out water not only can make mud and the abundant contact reaction of packing, and surplus mud can be carried to the assigned position by gravity when discharging simultaneously, practices thrift the operation cost.

(3) The utility model discloses a but the support module of high design, collocation are with accurate even aeration structure, provide suitable environment for the biochemical reaction of mud, and then have improved the decrement efficiency of mud, and mud decrement is the highest more than or equal to 80%.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a possible sludge reduction treatment apparatus of the present invention;

fig. 2 is a schematic diagram of four possible preparation methods of the support plate or the filter plate of the present invention.

Reference numerals:

11-an air inlet;

12-an aeration line;

21-a water inlet;

22-water distribution pipeline;

3-a supporting plate;

41-water outlet;

42-a water outlet weir plate;

5-an exhaust port;

6-foundation bolts;

7-maintenance module.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a realize through following technical scheme:

Fig. 1 shows a schematic structure of a possible sludge reduction treatment apparatus.

Specifically, the structure and function of each functional module are as follows:

the air inlet module is used for aeration, so that on one hand, sufficient oxygen is dissolved in the sludge and a reaction basis is provided for subsequent fermentation, on the other hand, fine suspended matters in the sludge are prevented from settling, and the full contact between organic matters and microorganisms and the dissolved oxygen is enhanced;

in a preferred embodiment, the air intake module comprises an air intake 11, an air intake valve and an aeration pipeline 12; the air inlet 11 is connected with an aeration machine arranged outside the tank body;

as a more preferable embodiment, the number of the air inlets 11 and the air inlet valves is designed according to the cross-sectional area and the volume of the tank body; the aeration pipelines 12 are uniformly laid at the bottom of the tank body;

in a more preferred embodiment, the aeration line 12 employs perforated aeration.

The water inlet module is used for feeding sludge, and after water is uniformly distributed in a lower water inlet mode, the sludge can fully react with the filler of the upper support module;

in a preferred embodiment, the water inlet module includes a water inlet 21, a water inlet valve and a water distribution pipeline 22;

as a more preferable embodiment, the number of the water inlets 21 and the water inlet valves is designed according to the cross-sectional area and the volume of the tank body; the water distribution pipeline 22 is uniformly laid in the tank body;

as a more preferable embodiment, the sludge is provided with transmission power by a delivery pump arranged inside and/or outside the tank body.

The supporting module is used for supporting and fixing the filler, so that the sludge can be fully contacted with the filler and can be subjected to chemical reaction to realize the technical goal of sludge reduction; meanwhile, the backwashing water distribution of the filler can be realized;

as a preferred embodiment, the support module comprises at least 1 number of support plates 3 or filter plates;

fig. 2 shows four possible ways of making up the support plate 3 or filter plate;

as a more preferable embodiment, the supporting plate 3 is fixedly connected and/or movably connected with the inner wall of the tank body;

it should be noted that the supporting plate 3 or the filter plate is conventionally provided with a hole structure, the sludge lifting resistance is adjusted by arranging the plate and the hole, and the effects of uniform water distribution, no dead water area, no hardening, no looseness and the like are considered;

when the sludge is distributed by the water distribution pipeline 22 and then sequentially passes through the bearing structure of the supporting module and the packing layer, the filling degree of the packing in the utility model is 40-60%;

for the selection of the filler, the conventional or unconventional sludge treatment filler in the field can be filled; the anaerobic and aerobic environment formed by the high-efficiency biological carrier filler can improve the Total Nitrogen (TN) removal efficiency, meet the total nitrogen emission requirement, improve the COD removal efficiency and enhance the shock load resistance of the system;

simultaneously filling the filler for the attachment of microorganisms; when the solid-liquid mixed waste of the sludge is immersed in the filler from bottom to top, the organic matters in the sludge mixture are decomposed anaerobically under the anaerobic action of the fixed filler bed and the microorganisms.

The biological treatment process of the sludge is also the same as that of marine organisms, and has a complete food chain; the utility model discloses a mud minimizing processing apparatus carries protozoan, metazoan and aquatic animal through the micropore aeration pipe of high-efficient biological carrier filler and accurate settingProviding a growth environment suitable for propagation, performing efficient composite anaerobic reaction, and further degrading zoogloea (activated sludge) into CO ₂ And H ₂ O, thereby achieving an improvement in the carbon transfer rate (C → CO) ₂ ) And the technical effect of sludge reduction, and the balance transfer of the carbon source is achieved along with the energy conversion in the whole process.

The water outlet module is used for discharging the reduced excess sludge;

as a preferred embodiment, the water outlet module comprises a water outlet 41 and an outlet weir plate 42; wherein, the water outlet weir plate 42 is a device for adjusting water outlet balance and preventing the filler from losing along with the sludge discharge;

as a more preferred embodiment, the number of the water outlet weirs 42 is at least 1;

in a more preferred embodiment, the number of the water outlets 41 is designed according to the cross-sectional area and the volume of the tank.

The exhaust module is an exhaust port 5 arranged at the top of the tank body; for balancing the gas pressure.

As a preferred embodiment, the sludge reduction treatment device further comprises a fixing device arranged outside the tank body; when the device of the utility model is too large in volume or too heavy in mass, the external fixing device can play a role in prevention or protection;

as a more preferred embodiment, the fixing means comprises at least one of an anchor bolt 6, a bracket assembly, a foot assembly or a clamping assembly.

As a preferred embodiment, the sludge reduction treatment device further comprises a discharge device arranged outside the tank body and used for discharging the residual sludge after the reduction treatment to a specified position; the discharging device is connected with the water outlet 41;

in a more preferable embodiment, the residual sludge after the reduction treatment flows back to the front end of the sewage biochemical treatment system through the discharging device by gravity, so as to supplement nutrients such as carbon source and the like for the biochemical system;

the excess sludge contains a large amount of organic matter and is fermented by anaerobic fermentationThe fermentation can produce short-chain fatty acid which can be used as an organic carbon source to be utilized by denitrifying bacteria; nitrite accumulation is obtained by controlling the denitrification process, an electron acceptor is provided for the anaerobic ammonia oxidation reaction, and under the anaerobic condition, the anaerobic ammoniation bacteria utilize the nitrite as the electron acceptor to finally oxidize ammonia nitrogen into nitrogen; namely: nitrite is required to be used as an electron acceptor in anaerobic ammonia oxidation, an organic carbon source is used as an electron donor in a denitrification process, and NO is carried out ₃ →NO ₂ →N ₂ Two processes, finally removing nitrogen in the sewage in the form of nitrogen;

in addition, aerobic bacteria release a large amount of phosphate fertilizer in the high-efficiency side-flow composite anaerobic reactor, the aim of removing phosphorus is achieved through solid-liquid separation, the Total Phosphorus (TP) can be removed by more than or equal to 80 percent, and the separated and recovered phosphorus can be processed into phosphate fertilizer for agricultural production.

As a preferred embodiment, the functional modules further comprise a service module 7; the service module 7 includes at least one of a service opening, a service passage, and a service assembly.

As a preferred embodiment, the function module further comprises a monitoring module; the monitoring module comprises various real-time monitoring devices and is used for acquiring parameters such as dissolved oxygen, air pressure, flow, density and the like in the tank body in real time.

The utility model discloses in still give the application method of mud minimizing treatment device, including following step:

(1) When the device is in a water inlet state, the water inlet 21 and the water inlet valve are opened, the water outlet 41 is closed, and sludge entering the device is uniformly distributed by the water distribution pipeline 22 and then sequentially passes through the bearing component and the packing layer upwards to reach the water level required by the equipment;

(2) Closing the water inlet module, opening the air inlet 11 and the air inlet valve, controlling factors such as dissolved oxygen of the equipment system according to the water inlet property, debugging and monitoring the equipment system on line, and closing the air inlet module after the debugging is successful; the water inlet module is opened again, the equipment system continuously operates and controls the on and off of the air inlet module and the air exhaust module;

(3) The equipment runs stably, the reduced biological sludge concentration is very low, and the biological sludge flows back to a preset place from the water outlet 41;

(4) When the equipment is emptied, the water inlet module is closed, and the water drainage module is opened.

While particular embodiments of the present invention have been illustrated and described, it will be appreciated that the above embodiments are merely illustrative of the technical solution of the present invention and are not restrictive; those of ordinary skill in the art will understand that: modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced without departing from the spirit and scope of the present invention; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of the invention.

Claims

1. The sludge reduction treatment device is characterized by comprising a tank body and functional modules arranged in the tank body;

2. The sludge reduction treatment apparatus according to claim 1, wherein the air intake module comprises at least one of an air intake, an air intake valve, and an air distribution line.

3. The sludge reduction treatment device according to claim 2, wherein the air inlet module comprises an air inlet, an air inlet valve and an aeration pipeline at the same time; the number of the air inlets, the air inlet valves and the aeration pipelines is at least 1.

4. The sludge reduction treatment apparatus according to claim 1, wherein the water inlet module comprises at least one of a water inlet, a water inlet valve and a water distribution pipeline.

5. The sludge reduction treatment device according to claim 4, wherein the water inlet module comprises a water inlet, a water inlet valve and a water distribution pipeline at the same time; the number of the water inlets, the water inlet valves and the water distribution pipelines is at least 1.

6. The sludge reduction treatment apparatus according to claim 1, wherein the support module comprises at least 1 number of support plates; the bearing plate is fixedly connected and/or movably connected with the inner wall of the tank body.

7. The sludge reduction treatment device according to claim 1, wherein the water outlet module comprises a water outlet and a water outlet weir plate; the number of the water outlets and the water outlet weir plates is at least 1.

8. The sludge reduction treatment apparatus according to claim 1, further comprising a fixing device provided outside the tank;

the fixing device comprises at least one of an anchor bolt, a bracket component, a base component or a clamping component.

9. The sludge reduction treatment apparatus according to claim 1, further comprising a discharge device provided outside the tank for discharging the sludge after the reduction treatment to a specified position.

10. The sludge reduction treatment apparatus according to claim 1, wherein the functional modules further comprise a maintenance module;

the service module includes at least one of a service opening, a service channel, and a service assembly.