CN212293285U - Sludge reduction treatment system - Google Patents

Sludge reduction treatment system Download PDF

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CN212293285U
CN212293285U CN202020906431.5U CN202020906431U CN212293285U CN 212293285 U CN212293285 U CN 212293285U CN 202020906431 U CN202020906431 U CN 202020906431U CN 212293285 U CN212293285 U CN 212293285U
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sludge
outlet
communicated
tank
inlet
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刘晓静
马文明
金涛
杨航
吴迪
张云富
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China Construction Water Affairs Environmental Protection Co Ltd
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China Construction Water Affairs Environmental Protection Co Ltd
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Abstract

The utility model relates to the technical field of sludge treatment, in particular to a sludge reduction treatment system, which comprises a conditioning tank, a dehydrator, a drier, an exhaust fan, a liquid storage tank and an absorption tank; the dehydrator is sequentially provided with a gas outlet, a sludge inlet, a liquid outlet and a sludge outlet along the direction from the top to the bottom of the dehydrator; the conditioning tank is communicated with the sludge inlet, and the sludge outlet is communicated with the drier; the liquid outlet is communicated with the liquid storage tank and the absorption tank in sequence; the gas outlet and the drier are respectively communicated with the absorption tank through the exhaust fan. This sludge reduction processing system through the antithetical couplet usefulness of taking care of jar, hydroextractor and desiccator, sludge reduction treatment efficiency obtains showing and improves, and the air exhauster, liquid storage pot and the setting of absorption tank have solved and have polluted waste gas, waste liquid discharge and cause the problem of pollution to the environment among the reduction processing process.

Description

Sludge reduction treatment system
Technical Field
The utility model belongs to the technical field of sludge treatment technique and specifically relates to a mud minimizing processing system is related to.
Background
Sludge is an unavoidable by-product in the sewage treatment process, is a solid, semi-solid and liquid waste, and accounts for about 0.3-0.5% of the sewage treatment capacity. The sludge usually contains a large amount of pathogenic microorganisms, parasitic ova, bacteria, organic matters, volatile substances, heavy metals, salts, plant nutrients (nitrogen, phosphorus, potassium) and the like in addition to ash and a large amount of water. The device is large in size and easy to decompose, and if the device is not thoroughly disposed, secondary pollution to the environment is easily caused.
According to the pollution control standard of domestic refuse landfill (GB16889-2008) in China, the sludge of the municipal sewage plant can enter the landfill only when the water content is reduced to below 60 percent after the sludge is treated. However, at present, the municipal sewage plants in China generally adopt a mechanical mode to dehydrate sludge, the water content of the dehydrated sludge is generally 75-85%, and obviously the above regulations cannot be met. When the sludge with large water content is transported, the sludge is large in volume, so that the condition of sludge scattering is likely to exist in the transportation process, and a great deal of inconvenience is caused while the environment is polluted.
Under the background, the sludge reduction technology becomes a hot point of research in the sewage industry. The sludge reduction means that the biological solid quantity discharged outside the whole sewage treatment system is minimized by utilizing physical, chemical and biochemical means. At present, a natural gravity infiltration method is mostly adopted in China to remove partial moisture of domestic garbage and municipal sludge, but the method is difficult to achieve the purpose that the moisture content of material moisture reaches the standard of substantial reduction. In order to reduce the water content in municipal sludge and fresh garbage, the traditional treatment process is to concentrate and dry the sludge, the fresh garbage and the like, and although the device can reduce the sludge to a certain extent, the emission of polluted waste gas and waste liquid generated in the treatment process causes certain pollution to the environment.
Therefore, in order to solve the problems of low reduction efficiency and secondary pollution to the environment in the prior art, a novel sludge reduction treatment system is developed, which is a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud minimizing processing system, this processing system can realize mud minimizing, and can not cause secondary pollution to the environment.
The utility model provides a sludge reduction treatment system, which comprises a conditioning tank, a dehydrator, a drier, an exhaust fan, a liquid storage tank and an absorption tank;
the dehydrator is sequentially provided with a gas outlet, a sludge inlet, a liquid outlet and a sludge outlet along the direction from the top to the bottom of the dehydrator;
the conditioning tank is communicated with the sludge inlet, and the sludge outlet is communicated with the drier;
the liquid outlet is communicated with the liquid storage tank and the absorption tank in sequence;
the gas outlet and the drier are respectively communicated with the absorption tank through the exhaust fan.
Although the municipal sludge treatment technologies such as concentration, drying and incineration and the like reduce the sludge treatment to a certain extent, the resource utilization rate is low, and the problem of secondary pollution to the environment in the sludge treatment process is not considered. In order to solve the problem, the utility model discloses a sludge reduction processing system includes conditioning tank, hydroextractor, desiccator, air exhauster, liquid storage pot and absorption tank, and wherein, conditioning tank, hydroextractor and desiccator communicate in proper order, and mud gets into the back by conditioning tank's bottom, pours into the conditioner into in the conditioning tank into, changes the cell micelle structure through the conditioner, and then strengthens the hydrophobicity and the hydrone mobility of mud to alleviate the operating pressure of follow-up mechanical dewatering equipment, the energy saving consumes, improve sludge concentration treatment efficiency. Liquid outlet and liquid storage pot on the hydroextractor, the tourie communicates in proper order, mud is handled the back through the hydroextractor, the moisture content can be followed 90% and is reduced to 80%, the supernatant gets into the liquid storage pot and then gets into the tourie by the liquid outlet on the hydroextractor, mud after the dehydration gets into the mummification machine further processing by the sludge outlet, the gas that volatilizees in the hydroextractor gets into the tourie through the air exhauster by gas outlet, the part slightly soluble volatile gaseous can be absorbed by the moisture in the supernatant in the tourie, and then realize gaseous purification and collect. This sludge reduction processing system through the antithetical couplet usefulness of taking care of jar, hydroextractor and desiccator, sludge reduction treatment efficiency obtains showing and improves, and the air exhauster, liquid storage pot and the setting of absorption tank have solved and have polluted waste gas, waste liquid discharge and cause the problem of pollution to the environment among the reduction processing process.
And the screw pump is arranged between the dewatering machine and the drying machine, one end of the screw pump is communicated with the sludge outlet, and the other end of the screw pump is communicated with the drying machine.
A screw pump is arranged between the dewatering machine and the drying machine, and the screw pump can improve the conveying efficiency of the sludge in the pipeline.
Further, the dehydrator comprises a gas collecting cover, a machine body and a sludge collecting tank, wherein the gas collecting cover, the machine body and the sludge collecting tank are sequentially and fixedly connected from top to bottom;
the gas outlet is arranged at the top of the gas collecting cover, the sludge outlet is arranged at the bottom of the sludge collecting tank, and the sludge inlet and the liquid outlet are both arranged on the machine body;
a plurality of filter cloths connected in series are arranged in parallel in the machine body, and the arrangement direction of all the filter cloths is vertical to the flowing direction of the sludge;
and hydraulic parts are arranged on two sides of each filter cloth, and the bottom of each hydraulic part is communicated with the liquid outlet.
The dehydrator comprises a gas collecting cover, a dehydrator body and a sludge collecting tank which are fixedly connected from top to bottom in sequence, wherein the gas collecting cover can enrich volatile gas in the dehydrator body and is discharged from a gas outlet at the top of the gas collecting cover; the conical sludge collecting tank at the bottom of the dewatering machine can improve the enrichment degree of sludge; in order to improve the dehydration efficiency, a plurality of groups of filter cloth connected in series are arranged in parallel in the dehydrator body along the direction vertical to the flowing direction of the sludge, the sludge can be distributed in each filter cloth, hydraulic parts are arranged on two sides of each filter cloth and can tightly press the filter cloth, the filtrate is collectively pressed into a liquid outlet, and the purpose of separating solid particles from liquid particles is realized through the filter cloth.
Further, a vibration part is fixedly arranged on the side wall of the sludge collecting tank.
In order to prevent the dewatered sludge from being attached to the side wall of the sludge collecting tank and blocking the sludge outlet, a vibration part is fixedly arranged on the side wall of the sludge collecting tank, and the sludge can be vibrated and beaten once every certain time.
Further, the drying machine comprises a cylinder body and a heating sleeve body which is coaxially sleeved on the outer side of the cylinder body and forms a sealed space with the cylinder body;
one end of the cylinder body is provided with a feed inlet, the other end of the cylinder body is provided with a discharge outlet and an exhaust port, the feed inlet is communicated with the screw pump, and the exhaust port is communicated with the exhaust fan through an exhaust pipe;
the heating sleeve body is provided with an inlet at one end close to the discharge port, and an outlet at one end close to the feed port.
The drier includes barrel and the cover establishes the barrel outside and forms the heating cover body in airtight space with the barrel, the mud of handling through the hydroextractor gets into the barrel by the feed inlet of barrel one end, at this moment, carry hot-air or hot water through the import of heating cover body, and hot-air and mud flow relatively, at mud flow in-process, carry out the heat exchange, with further reduction mud moisture content, the mud after the mummification is handled is discharged outward by the barrel discharge gate, and volatile gas because of the heat transfer production gets into the absorption tank by gas vent, air exhauster by the blast pipe, prevent that gas from causing secondary pollution to the environment. In addition, in the process of continuously discharging gas by the exhaust fan, the inside of the cylinder body is always kept in a micro-negative pressure state, and the micro-negative pressure state can reduce the boiling point of sludge, thereby reducing the quality of a heat source and saving energy consumption.
Further, a spiral push rod which is parallel to the axial direction of the cylinder body is arranged in the cylinder body.
In order to improve the transmission efficiency of the sludge in the cylinder of the drying machine, a spiral push rod is arranged in the cylinder.
Furthermore, a grid is arranged at the joint of the exhaust pipe and the cylinder body, and the aperture of the grid is 0.1-1 cm;
and a baffle is arranged on one side of the exhaust pipe close to the grid mesh, and the height of the baffle is 1/3-2/3 of the inner diameter of the exhaust pipe.
In order to prevent the exhaust pipe from being blocked due to partial sludge particles carried when the gas volatilized from the cylinder body of the drying machine is exhausted by the exhaust pipe, a grid mesh is arranged at the joint of the exhaust pipe and the cylinder body, and a baffle is arranged on one side, close to the grid mesh, in the exhaust pipe.
Further, the heating device also comprises a heating chamber, wherein the heating chamber is respectively communicated with the outlet and the inlet, and the communicated pipelines are respectively provided with a temperature monitor.
In the system, the heating chamber is further included, and two ends of the heating chamber are respectively communicated with the inlet and the outlet of the heating sleeve body, so that the cyclic utilization of the heat source in the heating sleeve body is realized.
Further, a circulating pump is arranged between the liquid storage tank and the absorption tank;
the top end of the absorption tank is provided with a liquid inlet and an emptying port, and the bottom end of the absorption tank is provided with an air inlet and a liquid outlet;
the liquid storage tank and the liquid outlet are both communicated with an inlet of the circulating pump;
the liquid inlet is communicated with an outlet of the circulating pump;
the air inlet is communicated with the exhaust fan.
In order to improve the recycling of the absorption liquid in the absorption tank, a circulating pump is arranged between the liquid storage tank and the absorption tank, namely, the liquid in the liquid storage tank can be pumped into the absorption tank through the circulating pump, and the unsaturated absorption liquid in the absorption tank can be pumped into the absorption tank again through the circulating pump to realize recycling.
Further, the centrifugal pump is arranged between the conditioning tank and the dewatering machine.
A centrifugal pump is also arranged between the conditioning tank and the dehydrator and is used for preliminarily removing partial water in the sludge so as to reduce the operating pressure of subsequent equipment.
The utility model discloses a mud minimizing processing system compares with prior art, has following advantage:
1. the sludge reduction treatment system of the utility model has the advantages that the sludge reduction treatment efficiency is obviously improved through the combined use of the conditioning tank, the dewatering machine and the drying machine, the purpose of sludge reduction can be realized, and the resource utilization rate of sludge is further improved;
2. the sludge reduction treatment system of the utility model solves the problem of secondary pollution to the environment caused by the discharge of waste gas and waste liquid during the reduction treatment process by arranging the exhaust fan, the liquid storage tank and the absorption tank;
3. the utility model discloses a mud minimizing processing system, easy operation to the cost of mud minimizing processing has been reduced.
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 technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a sludge reduction treatment system according to the present invention;
FIG. 2 is a schematic view of the dehydrator of the present invention;
FIG. 3 is a schematic view of the drying machine of the present invention;
fig. 4 is a schematic view of the exhaust pipe of the present invention.
Description of reference numerals:
1: a conditioning tank; 2: a dehydrator; 3: a drying machine; 4: an exhaust fan; 5: a liquid storage tank; 6: an absorption tank; 7: a gas outlet; 8: a sludge inlet; 9: a liquid outlet; 10: a sludge outlet; 11: a screw pump; 12: a gas collection hood; 13: a body; 14: a sludge collection tank; 15: filtering cloth; 16: a hydraulic component; 17: a vibrating member; 18: a barrel; 19: heating the jacket body; 20: a feed inlet; 21: a discharge port; 22: an exhaust port; 23: an inlet; 24: an outlet; 25: a screw push rod; 26: a grid; 27: a baffle plate; 28: a heating chamber; 29: a temperature monitor; 30: a circulation pump; 31: a liquid inlet; 32: emptying the air; 33: an air inlet; 34: a liquid discharge port; 35: a centrifugal pump.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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.
As shown in fig. 1-4, the sludge reduction treatment system of the present invention comprises a conditioning tank 1, a dewatering machine 2, a drying machine 3, an exhaust fan 4, a liquid storage tank 5 and an absorption tank 6; the dehydrator 2 is sequentially provided with a gas outlet 7, a sludge inlet 8, a liquid outlet 9 and a sludge outlet 10 along the direction from the top to the bottom of the dehydrator 2; the conditioning tank 1 is communicated with the sludge inlet 8, and the sludge outlet 10 is communicated with the drier 3; the liquid outlet 9 is communicated with the liquid storage tank 5 and the absorption tank 6 in sequence; the gas outlet 7 and the drier 3 are respectively communicated with the absorption tank 6 through the exhaust fan 4.
At present, the municipal sludge treatment technology mainly comprises methods such as concentration, drying and incineration, and the methods have the problems of incomplete sludge reduction, easy secondary pollution to the environment and the like. In order to solve the problem, the utility model discloses a sludge reduction treatment system, including conditioning tank 1, hydroextractor 2, desiccator 3, air exhauster 4, liquid storage pot 5 and absorption tank 6, wherein, conditioning tank 1, hydroextractor 2 and desiccator 3 communicate in proper order, and mud at first gets into conditioning tank 1 promptly to throw the amendment in conditioning tank 1, like inorganic amendment aluminium salt and molysite, the addition of amendment can change cell micelle structure, reinforcing mud hydrophobicity, hydrone mobility, and then reduce the operating pressure of follow-up mechanical dehydration. The sludge treated by the conditioning tank 1 enters the dehydrator 2, the dehydrator 2 further dehydrates the sludge, the water content of the sludge can be reduced to 80% from 90% after the treatment of the dehydrator 2, the dehydrator 2 is provided with a gas outlet 7, a sludge inlet 8, a liquid outlet 9 and a sludge outlet 10, the dehydrated sludge directly enters the drier 3 from the sludge outlet 10 for further dehydration treatment, the supernatant can enter the liquid storage tank 5 from the liquid outlet 9, and the volatile gas enters the absorption tank 6 from the gas outlet 7 through the exhaust fan 4. The whole system is of a closed structure, secondary pollution to the environment cannot be caused, and the conditioning tank 1, the dewatering machine 2 and the drying machine 3 are combined for use, so that not only can the reduction of sludge be realized, but also beneficial components in the sludge cannot be damaged, and the resource utilization rate of the sludge is improved.
On the basis of the technical scheme, the sludge drying machine further comprises a screw pump 11, wherein the screw pump 11 is arranged between the dewatering machine 2 and the drying machine 3, one end of the screw pump is communicated with the sludge outlet 10, and the other end of the screw pump is communicated with the drying machine 3.
The screw pump 11 arranged between the dewatering machine 2 and the drying machine 3 can prevent sludge from blocking a pipeline, and the sludge conveying efficiency is improved.
On the basis of the technical scheme, the dehydrator 2 further comprises a gas collecting cover 12, a machine body 13 and a sludge collecting tank 14, wherein the gas collecting cover 12, the machine body 13 and the sludge collecting tank 14 are sequentially and fixedly connected from top to bottom; the gas outlet 7 is arranged at the top of the gas collecting cover 12, the sludge outlet 10 is arranged at the bottom of the sludge collecting tank 14, and the sludge inlet 8 and the liquid outlet 9 are both arranged on the machine body 13; a plurality of filter cloths 15 connected in series are arranged in parallel in the machine body 13, and the arrangement direction of all the filter cloths 15 is vertical to the flowing direction of sludge; both sides of each filter cloth 15 are provided with hydraulic parts 16, and the bottom of each hydraulic part 16 is communicated with the liquid outlet 9.
The dehydrator 2 comprises a gas collecting cover 12, a machine body 13 and a sludge collecting tank 14 which are fixedly connected in sequence from top to bottom, wherein a gas outlet 7 is arranged at the top of the gas collecting cover 12, and the gas collecting cover 12 is in a conical structure and is convenient for collecting organic gas volatilized from sludge in a dehydration process; a plurality of filter cloths 15 connected in series are arranged in the machine body 13, and hydraulic parts 16 are arranged on two sides of each filter cloth 15, so that sludge entering the dehydrator 2 is distributed on each filter cloth 15, the filter cloths 15 can be pressed tightly by the hydraulic parts 16 during dehydration, filtrate is pressed into the liquid outlet 9 collectively, and separation of solid particles and liquid particles in the sludge is realized through the filter cloths 15; an inverted conical sludge collection tank 14 is disposed below the machine body 13, and the sludge outlet 10 is disposed at the bottom of the sludge collection tank 14.
Sludge is prevented from being adhered and accumulated in the sludge collecting tank 14, and a vibration part 17 is fixedly arranged on the side wall of the sludge collecting tank 14.
On the basis of the preferred technical scheme, the drying machine 3 further comprises a cylinder 18 and a heating sleeve body 19 which is coaxially sleeved outside the cylinder 18 and forms a sealed space with the cylinder 18; one end of the barrel 18 is provided with a feed inlet 20, the other end of the barrel is provided with a discharge outlet 21 and an exhaust port 22, the feed inlet 20 is communicated with the screw pump 11, and the exhaust port 22 is communicated with the exhaust fan 4 through an exhaust pipe; an inlet 23 is arranged at one end of the heating sleeve body 19 close to the discharge hole 21, and an outlet 24 is arranged at one end close to the feed hole 20.
The drier 3 comprises a cylinder 18 and a heating sleeve 19 sleeved outside the cylinder 18, sludge enters from a feed inlet 20 at one end of the cylinder 18, meanwhile, hot air or hot fluid enters from an inlet 23 of the heating sleeve 19 into the heating sleeve 19, the hot air or hot fluid and the sludge reversely flow, heat exchange is realized, and further reduction treatment is carried out on the sludge. In order to discharge the volatilized gas in time and maintain the interior of the cylinder 18 in a slightly negative pressure state, an exhaust port 22 is provided at one end of a discharge port 21 of the cylinder 18.
In order to improve the transmission efficiency of the sludge in the cylinder 18, a spiral push rod 25 which is parallel to the axial direction of the cylinder 18 is arranged in the cylinder 18.
On the basis of the technical scheme, more preferably, a grid 26 is arranged at the connection part of the exhaust pipe and the cylinder 18, and the aperture of the grid 26 is 0.1-1 cm; a baffle plate 27 is arranged on one side of the exhaust pipe close to the grid 26, and the height of the baffle plate 27 is 1/3-2/3 of the inner diameter of the exhaust pipe.
In order to prevent solid particles in the sludge from entering the exhaust pipe along with the gas to block the exhaust pipe, a grid 26 and a baffle 27 with the height of 1/3-2/3 are arranged at the joint of the exhaust pipe and the cylinder 18, and the baffle 27 is arranged at one side of the exhaust pipe close to the grid 26.
In order to reduce the operation cost of the equipment, the heating device further comprises a heating chamber 28, wherein the heating chamber 28 is respectively communicated with the outlet 24 and the inlet 23, and the communicated pipelines are respectively provided with a temperature monitor 29.
On the basis of the above preferred technical scheme, further, a circulating pump 30 is arranged between the liquid storage tank 5 and the absorption tank 6; the top end of the absorption tank 6 is provided with a liquid inlet 31 and an emptying port 32, and the bottom end is provided with an air inlet 33 and a liquid outlet 34; the liquid storage tank 5 and the liquid outlet 34 are both communicated with the inlet 23 of the circulating pump 30; the liquid inlet 31 is communicated with the outlet 24 of the circulating pump 30; the air inlet 33 is communicated with the exhaust fan 4.
A circulating pump 30 is arranged between the liquid storage tank 5 and the absorption tank 6, the circulating pump 30 can improve the circulating utilization rate of the absorption liquid in the absorption tank 6, namely, the liquid in the liquid storage tank 5 can be pumped into the absorption tank 6 through the circulating pump 30, and the unsaturated absorption liquid in the absorption tank 6 can be pumped into the absorption tank 6 again through the circulating pump 30 to be recycled. When the liquid in the liquid storage tank 5 is saturated, the liquid can be directly discharged to the next treatment process. In order to reduce the operating pressure of the mechanical dewatering equipment, the mechanical dewatering equipment further comprises a centrifugal pump 35, and the centrifugal pump 35 is arranged between the conditioning tank 1 and the dewatering machine 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A sludge reduction treatment system is characterized by comprising a conditioning tank (1), a dehydrator (2), a drier (3), an exhaust fan (4), a liquid storage tank (5) and an absorption tank (6);
a gas outlet (7), a sludge inlet (8), a liquid outlet (9) and a sludge outlet (10) are sequentially formed in the dehydrator (2) along the direction from the top to the bottom of the dehydrator (2);
the conditioning tank (1) is communicated with the sludge inlet (8), and the sludge outlet (10) is communicated with the drier (3);
the liquid outlet (9) is communicated with the liquid storage tank (5) and the absorption tank (6) in sequence;
the gas outlet (7) and the drying machine (3) are communicated with the exhaust fan (4) and the absorption tank (6) respectively.
2. The treatment system according to claim 1, further comprising a screw pump (11), wherein the screw pump (11) is disposed between the dewatering machine (2) and the drying machine (3), and one end of the screw pump (11) is communicated with the sludge outlet (10) and the other end of the screw pump is communicated with the drying machine (3).
3. The treatment system according to claim 1, wherein the dewatering machine (2) comprises a gas collection hood (12), a machine body (13) and a sludge collection tank (14), and the gas collection hood (12), the machine body (13) and the sludge collection tank (14) are fixedly connected in sequence from top to bottom;
the gas outlet (7) is arranged at the top of the gas collecting cover (12), the sludge outlet (10) is arranged at the bottom of the sludge collecting tank (14), and the sludge inlet (8) and the liquid outlet (9) are both arranged on the machine body (13);
a plurality of filter cloths (15) connected in series are arranged in parallel in the machine body (13), and the arrangement direction of all the filter cloths (15) is vertical to the flowing direction of the sludge;
both sides of each filter cloth (15) are provided with hydraulic parts (16), and the bottom of each hydraulic part (16) is communicated with the liquid outlet (9).
4. A treatment system according to claim 3, wherein the side wall of the sludge collection tank (14) is fixedly mounted with a vibration member (17).
5. The treatment system according to claim 2, wherein the drying machine (3) comprises a cylinder (18) and a heating jacket body (19) coaxially sleeved outside the cylinder (18) and forming a sealed space with the cylinder (18);
one end of the barrel (18) is provided with a feed inlet (20), the other end of the barrel is provided with a discharge outlet (21) and an exhaust port (22), the feed inlet (20) is communicated with the screw pump (11), and the exhaust port (22) is communicated with the exhaust fan (4) through an exhaust pipe;
an inlet (23) is formed in one end, close to the discharge hole (21), of the heating sleeve body (19), and an outlet (24) is formed in one end, close to the feed hole (20).
6. Treatment system according to claim 5, wherein inside the cylinder (18) there is provided a helical push rod (25) axially parallel to the cylinder (18).
7. The treatment system according to claim 6, wherein a grid (26) is arranged at the connection part of the exhaust pipe and the cylinder (18), and the aperture of the grid (26) is 0.1-1 cm;
a baffle (27) is arranged on one side of the exhaust pipe close to the grid mesh (26), and the height of the baffle (27) is 1/3-2/3 of the inner diameter of the exhaust pipe.
8. The treatment system according to claim 7, further comprising a heating chamber (28), wherein the heating chamber (28) is respectively communicated with the outlet (24) and the inlet (23), and the communicated pipelines are respectively provided with a temperature monitor (29).
9. Treatment system according to any of claims 1-8, wherein a circulation pump (30) is further arranged between the liquid storage tank (5) and the absorption tank (6);
the top end of the absorption tank (6) is provided with a liquid inlet (31) and an emptying port (32), and the bottom end is provided with an air inlet (33) and a liquid outlet (34);
the liquid storage tank (5) and the liquid outlet (34) are both communicated with an inlet (23) of the circulating pump (30);
the liquid inlet (31) is communicated with an outlet (24) of the circulating pump (30);
the air inlet (33) is communicated with the exhaust fan (4).
10. The treatment system according to claim 9, further comprising a centrifugal pump (35), said centrifugal pump (35) being arranged between said conditioning tank (1) and said extractor (2).
CN202020906431.5U 2020-05-26 2020-05-26 Sludge reduction treatment system Active CN212293285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020906431.5U CN212293285U (en) 2020-05-26 2020-05-26 Sludge reduction treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020906431.5U CN212293285U (en) 2020-05-26 2020-05-26 Sludge reduction treatment system

Publications (1)

Publication Number Publication Date
CN212293285U true CN212293285U (en) 2021-01-05

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Application Number Title Priority Date Filing Date
CN202020906431.5U Active CN212293285U (en) 2020-05-26 2020-05-26 Sludge reduction treatment system

Country Status (1)

Country Link
CN (1) CN212293285U (en)

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