CN210764662U

CN210764662U - Clear filter residue device and filtration system sewage treatment device

Info

Publication number: CN210764662U
Application number: CN201921539937.0U
Authority: CN
Inventors: 薛晓军; 张胜; 夏振威
Original assignee: Hunan Renhe Environmental Protection Technology Co ltd
Current assignee: Hunan Renhe Environmental Protection Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model provides a clear filter residue device and filtration system sewage treatment device. The filter residue cleaning device comprises a first side plate, a second side plate, a coaming plate and a filter residue plate, wherein the coaming plate is connected with the first side plate and the second side plate to form a filter cavity, and the filter residue plate is obliquely arranged in the filter cavity; one end of the obliquely placed filter residue plate and the first side plate are arranged at intervals to form a flushing pipe orifice; the other end of the obliquely placed filter slag plate is arranged at a distance from the second side plate to form a slag outlet, and the flushing pipe orifice and the slag outlet are communicated with the surrounding plate; the first side plate is provided with a water outlet end pipe orifice, and the second side plate is provided with a water inlet end pipe orifice; and the connecting line of the flushing pipe orifice and the slag discharging pipe orifice is intersected with the connecting line of the water inlet end pipe orifice and the water outlet end pipe orifice. Compared with the prior art, the utility model provides a clear filter residue device can greatly reduced ultrafiltration membrane pipe's jam frequency, guarantee ultrafiltration membrane pipe's that can be stable water yield reduces artifical washing membrane pipe frequency, extension ultrafiltration membrane pipe life.

Description

Clear filter residue device and filtration system sewage treatment device

Technical Field

The utility model relates to a sewage treatment process technical field especially relates to a clear filter residue device and filtration system sewage treatment device.

Background

In the existing sewage treatment process flow, after the sewage well front end is treated, the sewage well front end enters an ultrafiltration system through a bag filter, because the front end cannot filter and treat sewage fine residues to reach 100%, the fine residues directly enter an ultrafiltration membrane in the ultrafiltration system, and the membrane pipe is easy to block. After the membrane tube is blocked, the water yield is influenced. On the other hand, the membrane tubes are cleaned manually after being blocked, the workload is high, and the service life of the membrane tubes is greatly reduced due to the long-term repeated cleaning of the membrane tubes.

Therefore, it is necessary to provide a filter residue cleaning device and a filtering system sewage treatment device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can filter clear filter residue device and filtration system sewage treatment device of tiny residue.

The technical scheme of the utility model is that: a slag cleaning device comprises a first side plate, a second side plate, a coaming plate and a slag plate, wherein the coaming plate is connected with the first side plate and the second side plate to form a filtering cavity;

one end of the obliquely placed filter residue plate and the first side plate are arranged at intervals to form a flushing pipe orifice, and the flushing pipe orifice penetrates through the surrounding plate; the other end of the obliquely placed filter slag plate is arranged at a distance from the second side plate to form a slag outlet pipe orifice which penetrates through the surrounding plate;

the first side plate is provided with a water outlet end pipe orifice communicated with the filter cavity, and the second side plate is provided with a water inlet end pipe orifice communicated with the filter cavity;

and the connecting line of the flushing pipe orifice and the slag discharging pipe orifice is intersected with the connecting line of the water inlet end pipe orifice and the water outlet end pipe orifice.

Preferably, the flushing nozzle and the slag discharging nozzle are provided with end covers which can be opened or closed.

Preferably, the filter residue plate is a filter screen.

Preferably, the water outlet end pipe orifice corresponds to the water inlet end pipe orifice in position, and a connecting line of the flushing pipe orifice and the slag discharging pipe orifice is perpendicular to a connecting line of the water inlet end pipe orifice and the water outlet end pipe orifice.

Preferably, the first side plate or the second side plate is detachably connected with the enclosing plate.

The utility model also provides a filtration system sewage treatment device, including bag filter and ultrafiltration system, ultrafiltration system includes the milipore filter pipe, ultrafiltration system still includes foretell clear filter residue device, the end mouth of pipe of intaking of clear filter residue device with bag filter's liquid outlet intercommunication, the end mouth of pipe of water outlet with the milipore filter pipe intercommunication.

Preferably, a filter for preventing the ultrafiltration membrane tube from being blocked is arranged at the communication position of the water outlet end tube orifice and the ultrafiltration membrane tube.

Preferably, the filter is a Y-filter or a basket filter.

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

the filter residue cleaning device is additionally arranged at the front end of the ultrafiltration membrane tube, and a filter residue plate capable of filtering fine residues is obliquely arranged in the filter residue cleaning device, so that the blocking frequency of the ultrafiltration membrane tube can be greatly reduced, the water yield of the ultrafiltration membrane tube can be stably ensured, the frequency of manually cleaning the ultrafiltration membrane tube is reduced, and the service life of the ultrafiltration membrane tube is prolonged;

and a filter is arranged between the ultrafiltration membrane tube and the filter residue cleaning device, so that the blockage of the ultrafiltration membrane tube is further effectively prevented.

Drawings

FIG. 1 is a schematic structural view of a slag cleaning device provided by the present invention;

FIG. 2 is a schematic view of the process flow of the sewage treatment equipment of the filtration system provided by the present invention.

In the attached drawing, 1-bag filter, 2-ultrafiltration system, 21-slag removal device, 22-ultrafiltration membrane tube, 211-first side plate, 212-second side plate, 213-filter cavity, 214-bounding plate, 215-slag plate, 216-flushing nozzle, 217-slag discharge nozzle, 218-end cover, 219-water outlet nozzle and 220-water inlet nozzle.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 2, the present embodiment provides a filtration system sewage treatment apparatus including a bag filter 1 and an ultrafiltration system 2.

The bag filter 1 is characterized in that liquid enters a filter bag supported by a basket through a liquid inlet, solid particles in the liquid filtered by the filter bag are intercepted in the filter bag, filtrate flows out of the liquid outlet, and the filter bag can be reused after being replaced when the particles fixed in the filter bag reach the upper limit. The bag filter 1 is designed for a steel pressure vessel, is made of high-quality pure stainless steel materials, has good sealing performance and excellent corrosion resistance, is refined during working, and is safe and reliable. A single bag filter or a multiple bag filter may be used. The multi-bag filter is suitable for the occasions of filtering large-flow liquid and replacing filter bags after long-time use. Different specifications from 2 bags to 24 bags are selected, the inlet and outlet aperture is 2 '-18', the single machine maximum flow is as follows: 80-960 cube/hour, can be designed into a quick-opening structure, so that the filter bag can be conveniently replaced.

As shown in fig. 1 and 2, fig. 1 is a schematic view showing a position and a direction of placing a filter residue plate, wherein the first side plate, the second side plate and the enclosing plate are made of transparent materials. The ultrafiltration system 2 comprises a filter residue cleaning device 21 and an ultrafiltration membrane tube 22. The slag cleaning device 21 comprises a first side plate 211, a second side plate 212, a coaming plate 214 connected with the first side plate 211 and the second side plate 212 to form a filtering cavity 213, and a slag filtering plate 215 obliquely placed in the filtering cavity 213. The filter cake plate 215 is a filter screen designed and customized to the size of the fine residue to be filtered.

One end of the filter residue plate 215 which is obliquely placed is arranged at an interval with the first side plate 211 to form a washing pipe opening 216, and the washing pipe opening 216 penetrates through the enclosing plate 214. The flushing nozzle 216 is provided with an end cap 218 which can be opened or closed.

The other end of the filter residue plate 215 which is placed in an inclined mode and the second side plate 212 are arranged at intervals to form a slag outlet 217, and the slag outlet 217 penetrates through the enclosing plate 214. An end cover 218 which can be opened or closed is arranged on the slag outlet pipe orifice 217.

The flushing pipe orifice 216 is located at the upper end of the slag cleaning device, and the slag tapping pipe orifice 217 is located at the lower end of the slag cleaning device.

The first side plate 211 is provided with a water outlet end pipe orifice 219 communicated with the filter cavity 213, the second side plate 212 is provided with a water inlet end pipe orifice 220 communicated with the filter cavity 213, the water outlet end pipe orifice 219 corresponds to the water inlet end pipe orifice 220, and a connecting line of the flushing pipe orifice 216 and the slag outlet pipe orifice 217 is perpendicular to a connecting line of the water inlet end pipe orifice 220 and the water outlet end pipe orifice 219. The connecting line of the flushing pipe orifice 216 and the slag outlet pipe orifice 217 is a vertical connecting line, and the trend of cleaning water for cleaning stains is injected to the filter residue plate in the later maintenance work of the filter residue cleaning device. The connecting line of the water inlet end pipe orifice 220 and the water outlet end pipe orifice 219 is a horizontal connecting line, which is the flow direction of sewage treatment.

In order to facilitate the detachment and cleaning of the filter residue plate, the first side plate 211 is detachably connected with the enclosing plate 214, or the second side plate 212 is detachably connected with the enclosing plate 214.

And a water inlet end pipe orifice 220 of the residue cleaning and filtering device 21 is communicated with a liquid outlet of the bag filter 1, and a water outlet end pipe orifice 219 is communicated with the ultrafiltration membrane pipe 22. When sewage flows in from the water inlet end pipe orifice of the residue cleaning and filtering device 21 through the bag filter 1, fine stains of the sewage are filtered by the residue filtering plate 215 and then flow to the position of the residue outlet pipe orifice 217 through the side wall surface of the inclined residue filtering plate 215.

The ultrafiltration membrane tube 22 is a dynamic filtration process, and the intercepted substances can be discharged from the treated water discharge port along with the ultrafiltration effluent, so that the surface of the membrane is not blocked, and the continuous operation can be realized for a long time.

The connection between the water outlet pipe 219 and the ultrafiltration membrane pipe 22 is provided with a filter for preventing the ultrafiltration membrane pipe 22 from being blocked. The filter is a Y-type filter or a basket filter.

The Y-type filter is a small-sized device for removing a small amount of solid particles in liquid, can protect the normal operation of the device, when fluid enters a filter cylinder with a filter screen with a certain specification, impurities are blocked, clean filtrate is discharged from a filter outlet, when the filter needs to be cleaned, the detachable filter cylinder is taken out, and is installed again after treatment, so that the use and maintenance are very convenient.

The structure of the filter screen of the basket type filter is different from other filter screens, and the basket type filter is named because the basket type filter is shaped like a basket. Mainly comprises a connecting pipe, a cylinder body, a filter basket, a flange cover, a fastener and the like.

As shown in fig. 2, in the sewage treatment process, the sewage is filtered by the bag filter 1, enters the residue cleaning and filtering device to filter fine residues, is subjected to ultrafiltration water outlet from the filter to the ultrafiltration membrane tube 22, and is finally discharged from the treated water discharge port.

When the filter residue cleaning device 21 is cleaned, the two end covers 218 can be detached, water is injected into the flushing pipe orifice 216, and stains filtered by the filter residue plate are discharged from the slag discharging pipe orifice 217 in a high-pressure water flushing mode. In addition, the first side plate or the second side plate can be detached, and the filter residue plate can be taken out for cleaning or replacement.

The slag cleaning device 21 can be made of stainless steel materials.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The slag cleaning device is characterized by comprising a first side plate (211), a second side plate (212), a coaming plate (214) which is connected with the first side plate (211) and the second side plate (212) to form a filtering cavity (213), and a slag plate (215) which is obliquely arranged in the filtering cavity (213);

one end of the obliquely placed filter residue plate (215) is arranged at an interval with the first side plate (211) to form a washing pipe orifice (216), and the washing pipe orifice (216) penetrates through the enclosing plate (214); the other end of the obliquely placed filter slag plate (215) and the second side plate (212) are arranged at intervals to form a slag outlet pipe orifice (217), and the slag outlet pipe orifice (217) penetrates through the enclosing plate (214);

a water outlet end pipe orifice (219) communicated with the filter cavity (213) is arranged on the first side plate (211), and a water inlet end pipe orifice (220) communicated with the filter cavity (213) is arranged on the second side plate (212);

the connecting line of the flushing nozzle (216) and the slag outlet nozzle (217) is intersected with the connecting line of the water inlet end nozzle (220) and the water outlet end nozzle (219).

2. A slag cleaning apparatus according to claim 1, characterized in that the flushing nozzle (216) and the tapping nozzle (217) are provided with openable or closable end caps (218).

3. The slag cleaning apparatus according to claim 1, wherein the slag plate (215) is a filter screen.

4. The slag cleaning device according to claim 1, wherein the outlet nozzle (219) corresponds to the inlet nozzle (220), and the line connecting the flushing nozzle (216) and the slag outlet nozzle (217) is perpendicular to the line connecting the inlet nozzle (220) and the outlet nozzle (219).

5. A slag cleaning apparatus according to claim 1, characterized in that the first side plate (211) or the second side plate (212) is detachably connected to the shroud (214).

6. A filtration system sewage treatment device comprises a bag filter (1) and an ultrafiltration system (2), wherein the ultrafiltration system (2) comprises an ultrafiltration membrane tube (22), and is characterized in that the ultrafiltration system (2) further comprises the residue cleaning device (21) as claimed in any one of claims 1 to 5, a water inlet end pipe orifice (220) of the residue cleaning device (21) is communicated with a liquid outlet of the bag filter (1), and a water outlet end pipe orifice (219) is communicated with the ultrafiltration membrane tube (22).

7. The filtration system sewage treatment equipment according to claim 6, wherein a filter for preventing the ultrafiltration membrane tube (22) from being blocked is provided at the communication of the water outlet end nozzle (219) and the ultrafiltration membrane tube (22).

8. The filtration system wastewater treatment apparatus of claim 7, wherein the filter is a Y-filter or a basket filter.