CN216863965U - A filter device for sludge dewatering - Google Patents

Abstract

The utility model discloses a filter device for sludge dewatering, which relates to the technical field of sludge dewatering. The utility model comprises a sludge receiving bucket, a support frame is fixed at the inner bottom of the sludge receiving bucket, a screw conveying structure is fixed at the bottom of the sludge receiving bucket, the screw conveying structure is communicated with the sludge receiving bucket, a filter structure is fixed on the support frame, and the filter structure is fixed on the support frame. An upper cover is fixed on the top of the structure, and a pressurizing structure is fixed on the top of the upper cover; a telescopic rod is fixed at the bottom of the sludge receiving bucket, and a piston is fixed on the top of the telescopic rod. The utility model uses the pressurization structure to pressurize the sludge sewage, the sewage and the sludge are separated, the sludge is left in the inner cylinder, the sewage enters the cavity, and is discharged through the drain pipe, and the pressurization structure continues to strengthen When the piston moves to the outside of the inner cylinder, the initially filtered sludge in the inner cylinder falls into the sludge receiving hopper, which reduces the working intensity of the sludge dewatering machine and improves the sewage sludge. The efficiency of mud dewatering.

Description

A filter device for sludge dewatering

technical field

The utility model belongs to the technical field of sludge dewatering, in particular to a filter device for sludge dewatering.

Background technique

Sludge is an inevitable product of sewage treatment in sewage treatment plants and sewage stations. After entering the environment, sludge that has not been properly treated and disposed of will directly cause secondary pollution to the water body and the atmosphere, and it will also affect the ecological environment and human activities. It will pose a serious threat, therefore, the sludge is handled with great care. Sludge dewatering machines are usually used in the sewage treatment process to separate the sludge from the water. However, directly introducing sewage sludge into the sludge dewatering machine will not only increase the workload of the sludge dewatering machine, but also introduce a large amount of sewage containing a large amount of sludge will affect the working efficiency of the sludge dewatering machine. The sludge is initially filtered and dehydrated before the sewage is introduced into the sludge dehydrator, which can not only improve the work efficiency, reduce the working intensity of the sludge dehydrator, but also make the dehydration cleaner.

Utility model content

The purpose of this utility model is to provide a filter device for sludge dewatering, by introducing sludge sewage into a filter structure, and using a pressurizing structure to pressurize the sludge sewage, so that sewage and sludge can be preliminarily separated and filtered, It solves the problems of high working intensity, low working efficiency and insufficient dewatering of the sludge dewatering machine in the above-mentioned background art.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a filter device for sludge dewatering, comprising a sludge receiving bucket, a support frame is fixed at the inner bottom of the sludge receiving bucket, a screw conveying structure is fixed at the bottom of the sludge receiving bucket, and the screw conveying structure is communicated with the sludge receiving bucket, a filter structure is fixed on the support frame, an upper cover is fixed on the top of the filter structure, and a pressure structure extending to the inside of the filter structure is fixed on the top of the upper cover; the sludge receiving bucket is A telescopic rod is fixed on the inner bottom, and a piston extending into the filter structure is fixed on the top of the telescopic rod;

The filter structure includes an outer cylinder fixedly connected with the support frame, an inner cylinder is fixed inside the outer cylinder, the inner cylinder penetrates the outer cylinder and is coaxial with the outer cylinder, and the outer cylinder is inside the outer cylinder. A cavity is formed between the wall and the outer wall of the inner cylinder, and a drainage pipe communicating with the cavity is fixed on the outer cylinder; the interior of the cavity is sequentially provided with a first filter layer sleeved on the outer wall of the inner cylinder, The second filter layer; the inner wall of the inner cylinder is provided with water permeable holes, and the inner wall of the inner cylinder is fixed with a filter gauze.

Further, the pressurizing structure includes a frame fixedly connected to the upper cover, a motor is fixed on the top of the frame, a threaded rod is fixed at the output shaft end of the motor, and an internal thread sliding sleeve is driven and connected to the threaded rod. and a pressure rod penetrating the upper cover is fixed on the outer circular surface of the inner thread sliding sleeve, and a lower pressure plug matched with the inner cavity of the inner cylinder is fixed at the bottom end of the pressure rod.

Further, a feeding hopper is fixed on the upper cover, the feeding hopper is concentric with the threaded rod, and the bottom end of the feeding hopper penetrates the upper cover and communicates with the inner cylinder.

Further, a limit frame that cooperates with a threaded rod is fixed inside the hopper, and a section of the outer circular surface of the threaded rod close to the limit frame is slidably connected with a guide sleeve that cooperates with a pressure rod, and the pressure rod is It penetrates through the guide sleeve and is slidably connected with the guide sleeve.

Further, the sludge receiving bucket is provided with a discharging port which is communicated with the screw conveying structure, and the inner bottom of the sludge receiving bucket is fixed with a mounting sleeve matched with the telescopic rod.

Further, the telescopic rod includes a spring sleeve, the spring sleeve is provided with a spring inside, the top end of the spring is provided with a guide rod penetrating the spring sleeve, and the top end of the guide rod is fixedly connected with the piston.

The utility model has the following beneficial effects:

1. The utility model introduces the sludge sewage into the filter structure, and uses the pressurization structure to pressurize the sludge sewage, so that the sewage and the sludge are preliminarily separated and filtered, and the sludge is left in the inner cylinder, and the sewage is filtered. After layers of filtration, it enters the cavity and is discharged from the drain pipe. The pressurizing structure continues to strengthen the pressure, and pushes the piston to move downward. When the piston moves to the outside of the inner cylinder, the initially filtered sludge in the inner cylinder Then it falls into the sludge receiving hopper, which reduces the working intensity of the sludge dewatering machine and improves the working efficiency of sludge dewatering.

2. The utility model can transfer the preliminarily separated sludge to the sludge dehydrator for further dehydration by setting the sludge receiving hopper and the screw conveying structure, without manual transfer, reducing labor intensity and improving work efficiency.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of the filter device for sludge dewatering of the present invention;

Fig. 2 is the structural representation of the pressurization structure;

FIG. 3 is a schematic structural diagram of a filtering structure.

In the accompanying drawings, the list of components represented by each number is as follows:

1-Sludge receiving bucket, 2-Support frame, 3-Spiral conveying structure, 4-Filter structure, 401-Outer cylinder, 402-Inner cylinder, 403-Cavity, 404-Drain pipe, 405-First filter layer, 406-second filter layer, 407-permeable hole, 408-filter gauze, 5-upper cover, 6-pressurized structure, 601-frame, 602-motor, 603-threaded rod, 604-internal thread slide Sleeve, 605-pressing rod, 606-lower pressing plug, 607-guide sleeve, 7-extending rod, 8-piston, 9-feeding hopper.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3 , the utility model is a filter device for sludge dewatering, comprising a sludge receiving bucket 1 , a support frame 2 is fixed at the inner bottom of the sludge receiving bucket 1 , and a bottom of the sludge receiving bucket 1 is fixed with a support frame 2 . Spiral conveying structure 3, the spiral conveying structure 3 is communicated with the sludge receiving bucket 1, the filter structure 4 is fixed on the support frame 2, the upper cover 5 is fixed on the top of the filter structure 4, and the top of the upper cover 5 is fixed with extending to the interior of the filter structure 4. Pressurizing structure 6; a telescopic rod 7 is fixed at the bottom of the sludge receiving bucket 1, and a piston 8 extending to the inside of the filter structure 4 is fixed at the top of the telescopic rod 7;

The filter structure 4 includes an outer cylinder 401 that is fixedly connected to the support frame 2 , an inner cylinder 402 is fixed inside the outer cylinder 401 , and the inner cylinder 402 penetrates the outer cylinder 401 and is coaxial with the outer cylinder 401 . A cavity 403 is formed between the inner wall of 401 and the outer wall of the inner cylinder 402, and the outer cylinder 401 is fixed with a drain pipe 404 communicating with the cavity 403; A filter layer 405 and a second filter layer 406 ; the inner wall of the inner cylinder 402 is provided with water permeable holes 407 , and the inner wall of the inner cylinder 402 is fixed with a filter gauze 408 .

The pressurizing structure 6 includes a frame 601 fixedly connected to the upper cover 5 , a motor 602 is fixed on the top of the frame 601 , a threaded rod 603 is fixed at the output shaft end of the motor 602 , and an internal thread sliding sleeve 604 is connected to the threaded rod 603 for transmission. A pressure rod 605 penetrating the upper cover 5 is fixed on the outer circular surface of the inner thread sliding sleeve 604 , and a lower pressure plug 606 is fixed at the bottom end of the pressure rod 605 , which is matched with the inner cavity of the inner cylinder 402 .

The top cover 5 is fixed with a feeding hopper 9 , the feeding hopper 9 is concentric with the threaded rod 603 , and the bottom end of the feeding hopper 9 penetrates the top cover 5 and communicates with the inner cylinder 402 .

Among them, the inside of the feeding hopper 9 is fixed with a limit frame that cooperates with the threaded rod 603. The limit frame keeps the transmission of the threaded rod 603 stably. The threaded rod 603 is slidably connected to a section of the outer circular surface of the limit frame and is connected to the pressure rod 605. The matched guide sleeve 607 ensures the vertical movement of the pressure rod 605 , and the pressure rod 605 penetrates through the guide sleeve 607 and is slidably connected with the guide sleeve 607 .

Among them, the sludge receiving bucket 1 is provided with a feeding port communicating with the screw conveying structure 3 , and the inner bottom of the sludge receiving bucket 1 is fixed with a mounting sleeve that cooperates with the telescopic rod 7 .

The telescopic rod 7 includes a spring sleeve, a spring is arranged inside the spring sleeve, a guide rod is arranged at the top end of the spring, and the top end of the guide rod is fixedly connected with the piston 8 .

A specific application of this embodiment is: when in use, the sewage containing a large amount of sludge is introduced into the feeding hopper 9 , and the sludge sewage enters the inner cylinder 402 in the filter structure 4 , and passes through the motor in the pressurizing structure 6 . 602. The threaded rod 603 drives the pressure rod 605 to move, and then inserts the lower pressure plug 606 into the inner cylinder 402, the sludge sewage is squeezed by the extrusion force, and the sludge cannot pass through the filter gauze 408 and is left in the inner cylinder The sewage in 402 enters the cavity 403 after passing through the first filter layer 405 and the second filter layer 406, and is then discharged by the drain pipe 404. The pressurizing structure 6 continues to pressurize, and then pushes the piston 8 to move downward. When the piston 8 When moving to the outside of the inner cylinder 402 , the preliminarily filtered sludge in the inner cylinder 402 falls into the sludge receiving bucket 1 , and then the sludge in the sludge receiving bucket 1 is under the action of the screw conveying structure 3 . It is sent to the next sludge treatment process.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A filter device for sludge dewatering, comprising a sludge receiving bucket (1), a support frame (2) is fixed at the inner bottom of the sludge receiving bucket (1), and the bottom of the sludge receiving bucket (1) is fixed There is a spiral conveying structure (3), and the spiral conveying structure (3) is communicated with the sludge receiving hopper (1), and is characterized in that: A filter structure (4) is fixed on the support frame (2), an upper cover (5) is fixed on the top of the filter structure (4), and a top of the upper cover (5) is fixed to extend to the inside of the filter structure (4). the pressurized structure (6); A telescopic rod (7) is fixed at the inner bottom of the sludge receiving bucket (1), and a piston (8) extending to the inside of the filter structure (4) is fixed at the top of the telescopic rod (7); The filter structure (4) includes an outer cylinder (401) fixedly connected to the support frame (2), an inner cylinder (402) is fixed inside the outer cylinder (401), and the inner cylinder (402) Passing through the outer cylinder (401) and coaxial with the outer cylinder (401), a cavity (403) is formed between the inner wall of the outer cylinder (401) and the outer wall of the inner cylinder (402). A drain pipe (404) communicating with the cavity (403) is fixed on the (401); A first filter layer (405) and a second filter layer (406) sleeved on the outer wall of the inner cylinder (402) are sequentially arranged inside the cavity (403); There are permeable holes (407), and a filter gauze (408) is fixed on the inner wall of the inner cylinder (402). 2 . The filter device for sludge dewatering according to claim 1 , wherein the pressurizing structure ( 6 ) comprises a frame ( 601 ) fixedly connected to the upper cover ( 5 ), and the frame (601) A motor (602) is fixed on the top, a threaded rod (603) is fixed on the output shaft end of the motor (602), and an internal thread sliding sleeve (604) is connected to the threaded rod (603) for transmission. A pressurizing rod (605) penetrating the upper cover (5) is fixed on the outer circular surface of the threaded sliding sleeve (604), and a bottom end of the pressurizing rod (605) is fixed with a lower part that cooperates with the inner cavity of the inner cylinder (402). Compression plug (606). 3 . The filter device for sludge dewatering according to claim 2 , wherein a feeding hopper ( 9 ) is fixed on the upper cover ( 5 ), and the feeding hopper ( 9 ) is connected to a threaded rod ( 603 ). 4 . ) are concentric, and the bottom end of the hopper (9) penetrates the upper cover (5) and communicates with the inner cylinder (402). 4. A filter device for sludge dewatering according to claim 3, characterized in that, a limit frame that cooperates with a threaded rod (603) is fixed inside the feeding hopper (9), and the threaded rod (603) ) A section of the outer circular surface of the limit frame is slidably connected with a guide sleeve (607) matched with the pressure rod (605), the pressure rod (605) penetrates the guide sleeve (607) and is connected with the guide sleeve (607) Slide to connect. 5 . The filter device for sludge dewatering according to claim 1 , wherein the sludge receiving hopper ( 1 ) is provided with a feeding port that communicates with the screw conveying structure ( 3 ). 6 . The inner bottom of the receiving bucket (1) is fixed with a mounting sleeve matched with the telescopic rod (7). 6 . The filter device for sludge dewatering according to claim 5 , wherein the telescopic rod ( 7 ) comprises a spring sleeve, a spring is arranged inside the spring sleeve, and a through spring is arranged at the top of the spring. 7 . The guide rod of the sleeve, the top end of the guide rod is fixedly connected with the piston (8).

Images