CN212998721U

CN212998721U - Vertical cylinder extrusion formula pressure filter

Info

Publication number: CN212998721U
Application number: CN202020748192.5U
Authority: CN
Inventors: 曹建青; 钮晓昕; 曹晨鸣
Original assignee: Shanghai Youyi Environmental Protection Technology Co ltd
Current assignee: Shanghai Youyi Environmental Protection Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-04-20
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a vertical cylinder extrusion type filter press, which comprises an outer sleeve cylinder, wherein one end of the outer sleeve cylinder is connected with a piston cylinder through a connecting piece, the piston cylinder is hermetically connected with an end cover, the end cover is connected with an air source control assembly, the other end of the outer sleeve cylinder is connected with a sealing end cover, a filter screen is arranged in the outer sleeve cylinder, one end of the filter screen is connected with the connecting piece, the other end is connected with the sealing end cover, the filter screen divides the interior of the outer sleeve cylinder into an inner cavity and an outer cavity, the connecting piece is provided with a feeding mechanism, the feeding mechanism is communicated with the inner cavity, a piston is arranged in the piston cylinder, one end of the piston is connected with the air source control assembly, the other end of the piston is connected with the compression rod, the compression stick is located inside the inner cavity, a sealing rod is arranged on the outer side of the compression stick, the other end of the sealing rod is connected with a piston I, a valve is arranged at the bottom of the sealing end cover, and a pressure sensor is arranged on the connecting piece. The dehydration mode of high-pressure repeated extrusion is adopted, the dehydration efficiency is high, and the energy consumption of later-stage drying is greatly reduced.

Description

Vertical cylinder extrusion formula pressure filter

Technical Field

The utility model relates to a sewage treatment apparatus technical field, concretely relates to vertical cylinder extrusion formula pressure filter.

Background

A large amount of water-containing sludge is generated in the sewage treatment process, and the domestic dehydration method at the first stage mainly adopts a filter pressing-burning method to dehydrate and dry the sludge and then bury the sludge. However, the above method is in a semi-open state in the sludge dewatering process, and a large amount of odor is generated, so that the semi-manual operation environment is severe, and the surrounding environment is affected. And the dehydration process can only reduce the water content of the sludge from 98% to about 60%, so that the water content of the sludge can be reduced to the standard for landfill only by using a large amount of energy consumption for evaporating water during subsequent drying, and a large amount of energy is wasted. Therefore, a new dehydration device is needed to carry out pollution-free and high-efficiency dehydration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical cylinder extrusion formula pressure filter to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: a vertical cylinder extrusion type filter press comprises an outer sleeve cylinder, wherein one end of the outer sleeve cylinder is connected with one end of a piston cylinder in a sealing mode through a connecting piece, the other end of the piston cylinder is connected with an end cover in a sealing mode, the end cover is connected with an air source control assembly, the other end of the outer sleeve cylinder is connected with a sealing end cover, a filter screen is arranged in the outer sleeve cylinder, one end of the filter screen is connected with the connecting piece, the other end of the filter screen is connected with the sealing end cover, the inner portion of the outer sleeve cylinder is divided into an inner cavity and an outer cavity by the filter screen, a feeding mechanism is arranged on the connecting piece and communicated with the inner cavity, a piston and a compression rod are arranged in the piston cylinder and the outer sleeve cylinder, one end of the piston is connected with the air source control assembly, the other end of, piston I is connected to the sealing rod other end, piston I is located inside the piston cylinder, piston I can follow the inside slip of piston cylinder, sealed end cover bottom is equipped with the valve, be equipped with pressure sensor on the connecting piece, pressure sensor is located the inner chamber.

Preferably, an ultrasonic cleaning element is installed in the outer cavity and connected with a controller, and the controller is connected with a valve and a pressure sensor.

Preferably, the connecting piece is provided with an air inlet which is communicated with the piston cylinder.

Preferably, a valve II is arranged on one side of the sealing end cover, a valve III is arranged on one side of the connecting piece, the valve II is communicated with the inner cavity of the valve III through a pipeline, and the valve II and the valve III are controlled to open and close by a controller.

Preferably, the air supply control assembly comprises a sliding connecting rod and an air pressure valve, the sliding connecting rod is connected with the piston, the air pressure valve is opened on one side of the sealing end cover and communicated with the piston cylinder, and the air pressure valve is connected with the controller.

Preferably, the feeding mechanism is an automatically closable feeding mechanism.

The utility model discloses a technological effect and advantage: the device adopts a fully-closed pipeline system, so that the situation that the semi-manual operation environment is severe and the surrounding environment is influenced due to the generation of a large amount of odor is avoided; the dehydration mode of high-pressure repeated extrusion is adopted, the dehydration efficiency is high, and the energy consumption of later-stage drying is greatly reduced.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1-outer sleeve cylinder, 2-connecting piece, 3-piston cylinder, 4-end cover, 5-air source control component, 6-sealing end cover, 7-filter screen, 8-inner cavity, 9-outer cavity, 10-feeding mechanism, 11-piston, 12-compression rod, 13-sealing rod, 14-piston I, 15-valve, 16-pressure sensor, 17-ultrasonic cleaning element, 18-air inlet, 19-valve II, 20-valve III, 51-sliding connecting rod and 52-pneumatic valve.

Detailed Description

In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1 and 2, the vertical cylinder extrusion type filter press comprises an outer sleeve cylinder 1, one end of the outer sleeve cylinder 1 is hermetically connected with one end of a piston cylinder 3 through a connecting piece 2, the other end of the piston cylinder 3 is hermetically connected with an end cover 4, the end cover 4 is connected with an air source control assembly 5, the other end of the outer sleeve cylinder 1 is connected with a sealing end cover 6, a filter screen 7 is arranged in the outer sleeve cylinder 1, one end of the filter screen 7 is connected with the connecting piece 2, the other end of the filter screen is connected with the sealing end cover 6, the filter screen 7 divides the interior of the outer sleeve cylinder 1 into an inner cavity 8 and an outer cavity 9, a feeding mechanism 10 is arranged on the connecting piece 2, the feeding mechanism 10 is communicated with the inner cavity 8, a piston 11 and a compression rod 12 are arranged in the piston cylinder 3 and the outer sleeve cylinder 1, one end of the piston 11 is connected with, the other end of the compression rod 12 is located inside the inner cavity 8, the outer side of the compression rod is provided with a sealing rod 13, the sealing rod 13 is in sealing contact with the connecting piece 2, the other end of the sealing rod 13 is connected with a piston I14, the piston I14 is located inside the piston cylinder 3, the piston I14 can slide inside the piston cylinder 3, the bottom of the sealing end cover 6 is provided with a valve 15, the connecting piece 2 is provided with a pressure sensor 16, and the pressure sensor 16 is located inside the inner cavity 8.

Example 2

Preferably, an ultrasonic cleaning element 17 is installed in the outer cavity 9, the ultrasonic cleaning element 17 is connected with a controller, and the controller is connected with a valve 15 and a pressure sensor 16.

Preferably, the connecting piece 2 is provided with an air inlet 18, and the air inlet 18 is communicated with the piston cylinder 3.

Preferably, a valve II 19 is arranged on one side of the sealing end cover 6, a valve III 20 is arranged on one side of the connecting piece 2, the valve II 19 and the valve III 20 are communicated with the inner cavity 8 through pipelines, and the valve II 19 and the valve III 20 are controlled to open and close by a controller.

Preferably, the air supply control assembly 5 comprises a sliding connecting rod 51 and an air pressure valve 52, the sliding connecting rod 51 is connected with the piston 11, the air pressure valve 52 is opened at one side of the sealing end cover 6 and is communicated with the piston cylinder 3, the air pressure valve 52 is connected with a controller, and the air pressure valve 52 can adjust the air pressure in the piston cylinder 3.

Preferably, the feeding mechanism 10 is an automatically closable feeding mechanism.

The utility model discloses process flow and theory of operation do: sewage is conveyed to the inner cavity 8 through the feeding mechanism 10 with automatic sealing through the conveying pump, filtering is carried out through the filter screen 7, solid is remained in the inner cavity 8, and liquid is discharged to the outer cavity 9. After continuous filtration for a period of time, the filter screen 7 is blocked by solid matters, when the inner cavity 8 is filled with solid-containing liquid and cannot be discharged, the pressure sensor 16 detects that the pressure rises to a certain value and feeds back the pressure to the controller, the controller controls the air source control assembly 5, the air source control assembly 5 pressurizes the piston I14 through the air pressure valve 52, the piston I14 pushes the piston 11 and the compression rod 12, so that sludge in the inner cavity 8 is further compressed and flows out of the filtration space, and the movement speed and the pressure of the piston I14 and the piston 11 are controlled by the air source control assembly 5 with pressure control; then the air source control component 5 drives the piston 11 and the compression rod 12 to reset, and the sludge is continuously fed and filtered until the inner cavity 8 is full of the sludge again; repeating the action until the inner cavity 8 cannot be compressed again and then the valve 15 is opened, and the piston 11 pushes all the solids to be discharged out of the inner cavity 8; when the filter screen 7 is blocked and can not work normally or the operation times which is designed in advance is reached, the piston I14 and the piston 11 return to the initial positions, the valve II 19 and the valve III 20 are opened to carry out the action of back flushing/air inflation, so that the inner cavity 8 is filled with the flushing water, meanwhile, the ultrasonic cleaning element 17 intervenes in the work, so that the filter screen 7 is thoroughly cleaned, and the normal filtering process is recovered after the preset time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vertical cylinder extrusion formula pressure filter, includes outer cover jar, its characterized in that: one end of the outer sleeve cylinder is connected with one end of a piston cylinder in a sealing manner through a connecting piece, the other end of the piston cylinder is connected with an end cover in a sealing manner, the end cover is connected with an air source control assembly, the other end of the outer sleeve cylinder is connected with a sealing end cover, the filter screen divides the interior of the outer sleeve cylinder into an inner cavity and an outer cavity, a feeding mechanism is arranged on the connecting piece and is communicated with the inner cavity, a piston and a compression rod are arranged in the outer sleeve cylinder, one end of the piston is connected with the air source control assembly, the other end of the piston is connected with one end of the compression rod, the compression rod can slide along the inner cavity through the piston, the other end of the compression rod is positioned in the inner cavity, a sealing rod is arranged on the outer side of the compression rod and is in sealing contact with the connecting piece, piston I can follow piston cylinder inside and slide, sealed end cover bottom is equipped with the valve, be equipped with pressure sensor on the connecting piece, pressure sensor is located the inner chamber.

2. The vertical cylinder extrusion press filter according to claim 1, wherein: the ultrasonic cleaning device is characterized in that an ultrasonic cleaning element is installed in the outer cavity and connected with a controller, and the controller is connected with a valve and a pressure sensor.

3. The vertical cylinder extrusion press filter according to claim 1, wherein: the connecting piece is provided with an air inlet which is communicated with the piston cylinder.

4. The vertical cylinder extrusion press filter according to claim 1, wherein: and a valve II is arranged on one side of the sealing end cover, a valve III is arranged on one side of the connecting piece, the valve II and the valve III are communicated with the inner cavity through a pipeline, and the valve II and the valve III are controlled to open and close by a controller.

5. The vertical cylinder extrusion press filter according to claim 1, wherein: the air supply control assembly comprises a sliding connecting rod and an air pressure valve, the sliding connecting rod is connected with the piston, the air pressure valve is opened on one side of the sealing end cover and communicated with the piston cylinder, and the air pressure valve is connected with the controller.

6. The vertical cylinder extrusion press filter according to claim 1, wherein: the feeding mechanism is a feeding mechanism capable of being automatically closed.