CN218202506U - An integrated centrifugal dewatering sludge treatment device - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, and discloses an integrated centrifugal dewatering sludge treatment device, comprising a base, a pretreatment mechanism is arranged on the left side of the base, a dehydration mechanism is arranged in the middle of the base, and the dehydration mechanism is arranged on The lower part of the right side of the pretreatment mechanism; the pretreatment mechanism includes a sludge conditioning tank, the inside of the sludge conditioning tank is provided with a stirring mechanism, and the left side of the sludge conditioning tank is provided with a dosing mechanism; the dehydration mechanism includes a centrifugal Dehydrator, the lower part of the centrifugal dehydrator is provided with a support frame, the lower part of the support frame is arranged in the middle part of the upper side of the base, the surrounding of the support is arranged on the upper part of the inner wall of the sludge conditioning tank, and the upper part of the middle part of the support is fixedly connected with a deceleration A motor, the driving end of the lower side of the geared motor is fixedly connected with a stirring blade. In the utility model, the manufacturing cost is low, the structure is simple, and the efficiency is high, which can meet the requirement of preliminary dehydration of sludge in small sewage treatment stations, and is easy to popularize and apply.

Description

An integrated centrifugal dewatering sludge treatment device

technical field

The utility model relates to the technical field of sewage treatment, in particular to an integrated centrifugal dewatering sludge treatment device.

Background technique

In the field of sewage treatment, sludge dehydration treatment is an indispensable process link. In large-scale sewage treatment stations, sludge treatment, as an indispensable process, usually requires a series of complicated processes to be properly disposed of, and the investment cost Huge, but in some miniaturized sewage treatment stations, due to the small amount of sludge generated, it is difficult to form a scale, which brings certain difficulties to the selection of sludge treatment equipment. Therefore, a miniaturized and integrated sludge Dehydration treatment equipment has become an urgent need.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art, and propose an integrated centrifugal dewatering sludge treatment device, which has low manufacturing cost, simple structure and high efficiency, and can adapt to the treatment of sludge by small sewage treatment stations. The need for preliminary dehydration is easy to popularize and apply.

In order to achieve the above object, the utility model provides the following technical solutions:

An integrated centrifugal dewatering sludge treatment device, including a base, a pretreatment mechanism is arranged on the left side of the base, a dehydration mechanism is arranged in the middle of the base, and the dehydration mechanism is arranged on the lower right side of the pretreatment mechanism;

The pretreatment mechanism includes a sludge conditioning tank, a stirring mechanism is arranged inside the sludge conditioning tank, and a dosing mechanism is arranged on the left side of the sludge conditioning tank;

The dehydration mechanism includes a centrifugal dehydrator, the lower part of the centrifugal dehydrator is provided with a supporting frame, and the lower part of the supporting frame is arranged in the upper middle part of the base.

Through the above technical scheme, the sludge pump injects sludge water into the sludge conditioning tank through the water inlet pipe, and drives the water pump at the same time, and the water pump passes through the medicine feeding pipe, so that the sludge water and the medicine solution are mixed in the pipeline mixer, and then passed through Sampling to adjust the dosing amount, then start the deceleration motor, so that the deceleration motor drives the stirring blade to rotate, so as to mix and homogenize the sludge in the sludge conditioning tank, then stop the stirring mechanism, let it settle naturally, and finally start the solenoid valve to open the feeding pipe valve, feed evenly into the centrifugal dehydrator, start the centrifugal dehydrator, and separate the mud and water. The process of water conditioning in the sludge conditioning tank forms a sequential batch operation.

Further, a support column is provided at the lower part of the sludge conditioning tank, and the lower end of the support column is provided at the upper left side of the base.

Through the above technical solution, the lower end of the support column is arranged on the upper left side of the base to support the sludge conditioning tank.

Further, the stirring mechanism includes a bracket, and the surrounding of the bracket is arranged on the upper part of the inner wall of the sludge conditioning tank. A geared motor is fixedly connected to the upper side of the middle part of the bracket, and a stirring blade is fixedly connected to the driving end of the lower side of the geared motor.

Through the above technical scheme, the deceleration motor is started, so that the deceleration motor drives the stirring blade to rotate, so that the sludge in the sludge conditioning tank is stirred evenly. After the homogenized sludge enters the centrifugal dehydrator, the dehydration effect is better than that without homogenization. The treatment effect is better, and the mud-water separation can be realized quickly.

Further, the medicine adding mechanism includes a medicine storage box, the lower part of the medicine storage box is arranged on the upper left side of the base, a water pump is arranged inside the medicine storage box, and a medicine feeding pipe is arranged at the outlet of the water pump.

Through the above technical scheme, one or more groups of dosing mechanisms can be used to meter and add medicaments to the pipeline mixer through pipelines, and the medicaments to be added are one or more of PAC and PAM.

Further, the end of the dosing pipe away from the water pump is provided with a pipe mixer, and the pipe mixer is provided on the side of the water inlet pipe close to the sludge conditioning tank.

Through the above technical scheme, the water pump is driven, and the water pump passes through the medicine feeding pipe, so that the sludge water and the medicine liquid are mixed in the pipeline mixer.

Further, the lower part of the centrifugal dehydrator is provided with a mud discharge pipe and a drain pipe.

Through the above technical scheme, after the mud water is separated, the separated mud water is discharged from the mud discharge pipe and the drain pipe respectively, so as to realize solid-liquid separation.

Furthermore, an electric control system is provided on the upper right side of the base, and the electric control system is electrically connected to a geared motor, a water pump and a centrifugal dehydrator.

Through the above technical solution, the electronic control system is an existing technology, and its working principle and structure will not be repeated here. The electronic control system can control the opening and closing of the geared motor, the water pump and the centrifugal dehydrator.

Further, the lower part of the sludge conditioning tank is provided with a feed pipe, the feed pipe is provided with a solenoid valve, and the end of the feed pipe away from the sludge conditioning tank is provided at the upper part of the centrifugal dehydrator.

Through the above technical proposal, the bottom of the sludge conditioning tank is in the shape of an inverted trumpet, which has a certain sludge concentration effect.

The utility model has the following beneficial effects:

In the utility model, after the sludge is mixed with medicine, it is mixed and homogenized by the stirring mechanism in the sludge conditioning tank, and then the agitator is stopped to allow it to settle naturally. After the homogenized sludge enters the centrifugal dehydrator, it is dehydrated. The effect is better than that without homogeneous treatment. It can quickly realize the separation of sludge and water. The whole sludge treatment process is short and the structure is simple. It can realize sequential batch production and can meet the status quo of small sludge production in small sewage treatment stations. It is suitable for the treatment of filter residue, primary sludge and activated sludge in small sewage treatment stations.

Description of drawings

Fig. 1 is a front perspective view of an integrated centrifugal dewatering sludge treatment device proposed by the utility model;

Fig. 2 is a bottom perspective view of an integrated centrifugal dewatering sludge treatment device proposed by the utility model;

Fig. 3 is a schematic diagram of the internal structure of a medicine storage box of an integrated centrifugal dewatering sludge treatment device proposed by the utility model.

illustration:

1. Pipeline mixer; 2. Water inlet pipe; 3. Dosing pipe; 4. Support column; 5. Base; 6. Medicine storage box; 7. Support frame; 8. Centrifugal dehydrator; 9. Feed pipe; 10 , sludge conditioning tank; 11, mixing blade; 12, bracket; 13, geared motor; 14, sludge discharge pipe; 15, drainage pipe; 16, electric control system; 17, mixing mechanism; 18, pretreatment mechanism; 19, Dehydration mechanism; 20, dosing mechanism; 21, water pump.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1-3, an embodiment provided by the utility model: an integrated centrifugal dewatering sludge treatment device, including a base 5, a pretreatment mechanism 18 is arranged on the left side of the base 5, and a dewatering mechanism 19 is arranged in the middle of the base 5 , and the dehydration mechanism 19 is set at the lower right side of the pretreatment mechanism 18; all components are installed on an integral base 5, realizing an integrated design, which is convenient for quick arrangement and storage.

The pretreatment mechanism 18 includes a sludge conditioning tank 10, the inside of the sludge conditioning tank 10 is provided with a stirring mechanism 17, and the left side of the sludge conditioning tank 10 is provided with a dosing mechanism 20, and the sludge is pretreated by the pretreatment mechanism 18 to improve Sludge-water separation speed shortens the sludge treatment process.

The dehydration mechanism 19 includes a centrifugal dehydrator 8, the lower part of the centrifugal dehydrator 8 is provided with a support frame 7, and the lower part of the support frame 7 is arranged on the upper middle part of the base 5. The centrifugal dehydrator 8 is a prior art, and its working principle and structure are not described here. To elaborate more, the sludge can be centrifugally dewatered by the centrifugal dehydrator 8, and the water and solids are discharged separately.

The bottom of the sludge conditioning tank 10 is provided with a supporting column 4 , and the lower end of the supporting column 4 is set on the upper left side of the base 5 for supporting the sludge conditioning tank 10 .

The stirring mechanism 17 includes a bracket 12, the bracket 12 is arranged on the upper part of the inner wall of the sludge conditioning tank 10, the upper side of the middle part of the bracket 12 is fixedly connected to the geared motor 13, and the driving end of the geared motor 13 is fixedly connected to the stirring blade 11, and the geared motor is started. 13, so that the reduction motor 13 drives the stirring blade 11 to rotate, so that the sludge in the sludge conditioning tank 10 is stirred evenly, and after the homogenized sludge enters the centrifugal dehydrator 8, the dehydration effect is better than that without homogeneous treatment. Better, it can quickly realize the separation of mud and water.

The dosing mechanism 20 includes a medicine storage box 6, the lower part of the medicine storage box 6 is arranged on the upper left side of the base 5, the inside of the medicine storage box 6 is provided with a water pump 21, and the water outlet of the water pump 21 is provided with a medicine dosing pipe 3, and the medicine dosing mechanism 20 is a One or more groups can be dosed to the pipeline mixer 1 through pipeline metering, and the dosed medicine is one or more of PAC and PAM.

The end of the dosing pipe 3 away from the water pump 21 is provided with a pipeline mixer 1, which is set on the side of the water inlet pipe 2 close to the sludge conditioning tank 10, drives the water pump 21, and the water pump 21 passes through the dosing pipe 3 to make the sludge Water and liquid medicine are mixed in pipeline mixer 1.

The bottom of the centrifugal dehydrator 8 is provided with a mud discharge pipe 14 and a drain pipe 15. After the mud water is separated, the separated mud water is discharged from the mud discharge pipe 14 and the drain pipe 15 respectively to realize solid-liquid separation.

An electric control system 16 is arranged on the upper right side of the base 5, and the electric control system 16 is electrically connected with a reduction motor 13, a water pump 21 and a centrifugal dehydrator 8. The electric control system 16 is a prior art, and its work distance and structure are not overdone here. More details, the electric control system 16 can control the opening and closing of the geared motor 13 , the water pump 21 and the centrifugal dehydrator 8 .

The lower part of the sludge conditioning tank 10 is provided with a feed pipe 9, and the feed pipe 9 is provided with a solenoid valve. The end of the feed pipe 9 far away from the sludge conditioning tank 10 is set on the upper part of the centrifugal dehydrator 8, and the bottom of the sludge conditioning tank 10 is inverted. The trumpet shape has a certain sludge thickening effect.

Working principle: The sludge pump injects sludge water into the sludge conditioning tank 10 through the water inlet pipe 2, and drives the water pump 21 at the same time. Mix, then adjust the dosing amount by sampling, then start the deceleration motor 13, so that the deceleration motor 13 drives the stirring blade 11 to rotate, thereby mixing and homogenizing the sludge in the sludge conditioning tank 10, then stop the agitation mechanism 17, and naturally settle , start and open the electromagnetic valve of feed pipe 9 at last, evenly feed in centrifugal dehydrator 8, start centrifugal dehydrator 8, carry out mud-water separation, after mud-water separation, separate from mud discharge pipe 14, drain pipe 15 respectively The muddy water is discharged, and when the centrifugal dehydrator 8 is in operation, the process of water conditioning into the sludge conditioning tank 10 can be repeated again to form a sequence batch operation.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. An integrated centrifugal dewatering sludge treatment device, including a base (5), characterized in that: a pretreatment mechanism (18) is provided on the left side of the base (5), and a dehydration mechanism (18) is provided in the middle of the base (5). mechanism (19), and the dehydration mechanism (19) is set at the lower right side of the pretreatment mechanism (18); The pretreatment mechanism (18) includes a sludge conditioning tank (10), the sludge conditioning tank (10) is provided with a stirring mechanism (17), and the left side of the sludge conditioning tank (10) is provided with a dosing institution(20); The dehydration mechanism (19) includes a centrifugal dehydrator (8), the lower part of the centrifugal dehydrator (8) is provided with a support frame (7), and the lower part of the support frame (7) is arranged in the upper middle part of the base (5). 2. The integrated centrifugal dewatering sludge treatment device according to claim 1, characterized in that: the bottom of the sludge conditioning tank (10) is provided with a support column (4), and the lower end of the support column (4) is provided at Base (5) left upper part. 3. The integrated centrifugal dewatering sludge treatment device according to claim 1, characterized in that: the stirring mechanism (17) includes a support (12), and the surrounding of the support (12) is set in the sludge conditioning pool (10 ) inside the upper part of the inner wall, the geared motor (13) is fixedly connected to the upper side of the middle part of the bracket (12), and the stirring blade (11) is fixedly connected to the driving end of the lower side of the geared motor (13). 4. The integrated centrifugal dewatering sludge treatment device according to claim 1, characterized in that: the dosing mechanism (20) includes a medicine storage box (6), and the lower part of the medicine storage box (6) is set on the base (5) On the upper left side, a water pump (21) is arranged inside the medicine storage box (6), and a medicine feeding pipe (3) is arranged at the water outlet of the water pump (21). 5. The integrated centrifugal dewatering sludge treatment device according to claim 4, characterized in that: the end of the dosing pipe (3) away from the water pump (21) is provided with a pipeline mixer (1), and the pipeline mixes The device (1) is arranged on the side of the water inlet pipe (2) close to the sludge conditioning tank (10). 6 . The integrated centrifugal dewatering sludge treatment device according to claim 1 , characterized in that: a sludge discharge pipe ( 14 ) and a drain pipe ( 15 ) are provided at the lower part of the centrifugal dehydrator ( 8 ). 7. The integrated centrifugal dewatering sludge treatment device according to claim 1, characterized in that: the upper right side of the base (5) is provided with an electric control system (16), and the electric control system (16) is electrically A geared motor (13), a water pump (21) and a centrifugal dehydrator (8) are connected. 8. The integrated centrifugal dewatering sludge treatment device according to claim 1, characterized in that: the lower part of the sludge conditioning tank (10) is provided with a feed pipe (9), and the feed pipe (9) is set There is a solenoid valve, and the end of the feed pipe (9) away from the sludge conditioning tank (10) is set on the upper part of the centrifugal dehydrator (8).

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