CN202638088U - Blowback bag type filter unit - Google Patents
Blowback bag type filter unit Download PDFInfo
- Publication number
- CN202638088U CN202638088U CN 201220210856 CN201220210856U CN202638088U CN 202638088 U CN202638088 U CN 202638088U CN 201220210856 CN201220210856 CN 201220210856 CN 201220210856 U CN201220210856 U CN 201220210856U CN 202638088 U CN202638088 U CN 202638088U
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- filter
- filter tank
- space
- valve
- filter cloth
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Abstract
The utility model discloses a blowback bag type filter unit. The blowback bag type filter unit mainly comprises a water pump, an air blower and a plurality of filter chamber tanks. The blowback bag type filter unit is characterized in that a water inlet is arranged on the upper end of each filter chamber tank, a dummy plate with holes is arranged in the lower portion of each filter chamber, and a plurality of filter cloth bags with a framework inside and an closed upper end are vertically arranged in the upper space of each filter chamber tank; the framework is connected with the dummy plate through a base, and the lower ends of the filter cloth bags are communicated with the lower space of each filter chamber tank through the holes on the dummy plate; a sprinkler is arranged on the upper portion of the filter cloth bags, and the sprinkler is connected with the water pump; a drain outlet is arranged at the bottom of the upper space of each filter chamber tank, and an air inlet, a water outlet and a waterspout is separately arranged in the lower space of each filter chamber tank; the drain outlet is connected with the waterspout separately through a valve and a blowdown pipe, the air inlet is connected with the air blower through a valve and an air pipe, and the water outlet is connected with the water outlet pipe through a valve. The blowback bag type filter unit has the advantages of being low in investment, small in floor area, convenient to operate, and energy-saving and efficient.
Description
Technical field
The utility model relates to the filtering ponds device in a kind of town sewage processing procedure, and specifically a kind of filter in the urban wastewater treatment firm advanced treatment of wastewater process belongs to field of mechanical technique.
Background technology
From 2010, urban wastewater treatment firm effluent quality standard improved in country, was promoted to I level A by I level B.At present, what the filter type in the urban wastewater treatment firm advanced treatment of wastewater process generally adopted is the sand filtering ponds, filter medium is quartz sand, anthracite, active carbon etc., and this process facility investment is large, and floor space is large, filtration resistance is large, efficient is low, and particularly backwash need to be very high-power, and power consumption is many, complicated operation can not satisfy new effluent quality standard-required.
The filter type of revolving-leaf type filter and filtering cloth filtering pool began to use to some extent at urban wastewater treatment firm in recent years.The filter medium of these two kinds of filtration facilities is long wool fiber filter cloths, have the common features such as filter efficiency height, reduced investment, floor space be little, the similar carpet sweeper of its back purge system is swept suction by a tubular type mud-sucking device in the filter cloth unit, the former is the filter cloth unit rotational, and dredging tube is static.The latter is that the filter cloth unit is static, and dredging tube moves, but protects the brilliant filter tank of equipment (Shanghai) Co., Ltd. development such as the thing filler ring.Because what urban wastewater treatment firm was disposed of sewage employing is bioanalysis, in the treated water with a small amount of organic matter and microorganism, the long wool fiber filter cloth is for a long time under water to be easy to grow anaerobic bacteria, make microorganism at the breeding of long wool fiber filter cloth and conjunctiva, form mycoderm and be directed at the increase of long wool fiber filter cloth resistance, cause filter efficiency low; Even lost efficacy, need frequent long wool fiber filter cloth, increase entreprise cost.
The utility model content
Task of the present utility model provides that a kind of investment is little, and floor space is little, the filter in the urban wastewater treatment firm advanced treatment of wastewater process of efficient energy-saving.
For realizing above-mentioned task, the technical solution of the utility model is:
A kind of blowback bag type filter device, mainly by water pump, air blast, a plurality of filter tanks casing consists of, its design feature is in filter tank casing upper end water inlet to be set, bottom in the casing of filter tank arranges the dividing plate with hole, box house space, filter tank is divided into up and down two parts, in the casing upper space of filter tank, the filter cloth bag of establishing the skeleton upper end closed in several is set vertically, skeleton is connected with dividing plate by base, the filter cloth bag lower end communicates with lower box space, filter tank by the hole on the dividing plate, on filter cloth bag top spray equipment is set, spray equipment is connected with water pump, bottom at filter tank casing upper space arranges sewage draining exit, in lower box space, filter tank air intlet is set respectively, delivery port and discharge outlet, sewage draining exit is connected with discharge tube by valve respectively with discharge outlet, air intlet passes through valve, airduct is connected with air blast, and delivery port is connected with outlet conduit by valve.
It is little to the utlity model has investment, and floor space is little, and is easy and simple to handle, the advantage of efficient energy-saving.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of blowback bag type filter device, comprise water pump 8, air blast 9, a plurality of filter tanks casing 1, be installed into the mouth of a river 7 in filter tank casing 1 upper end, bottom welding in filter tank casing 1 is evenly distributed with the dividing plate 2 in six holes, casing 1 inner space in filter tank is divided into up and down two parts, position welding base 3 and the metallic framework 5 in the hole on dividing plate 2, filter cloth bag 4 is enclosed within on the metallic framework 5, and with filter cloth bag 4 upper end closeds, on the base 3 that filter cloth bag 4 lower end closed are fixing, filter cloth bag 4 lower ends communicate with filter tank casing 1 lower space by the hole on the dividing plate 2, spray equipment 6 is installed on filter cloth bag 1 top, spray equipment 6 is connected with water pump 8, sewage draining exit 15 is installed in bottom at filter tank casing 1 upper space, in filter tank casing 1 lower space air intlet 10 is installed respectively, delivery port 11 and discharge outlet 16, sewage draining exit 15 is connected with discharge tube 17 by valve 12 respectively with discharge outlet 16, air intlet 10 is by valve 12, airduct 13 is connected with air blast 9, and delivery port 11 is connected with outlet conduit 18 by valve 12.
During work, sewage enters from the water inlet of filter tank casing upper end, and sewage is by seepage in the export-oriented filter cloth bag, and suspension is held back by filter cloth bag, and clear water enters lower box space, filter tank by filter cloth bag, discharges through outlet conduit from delivery port.When the suspension of holding back when filter cloth bag reaches a certain amount of, filter cloth bag is cleaned and dry the processing, at this moment, water inlet stops into sewage, opens valve the sewage on casing top, filter tank and the clear water of bottom are discharged from sewage draining exit and discharge outlet respectively; Open again water pump, spray equipment cleans filter cloth bag, opens simultaneously air blast filter cloth bag is carried out from inside to outside reverse blowing, and the water after the cleaning is discharged from sewage draining exit, after filter cloth bag cleans up, switch off the pump, continue filter cloth bag is carried out from inside to outside reverse blowing, make filter cloth bag dry, so that anaerobic bacteria and aerobic bacteria all can't be survived and breed, guarantee not conjunctiva of filter cloth bag, the long-term use reduced use cost.
Claims (1)
1. blowback bag type filter device, comprise water pump, air blast, a plurality of filter tanks casing, it is characterized in that: in filter tank casing upper end water inlet is set, bottom in the casing of filter tank arranges the dividing plate with hole, box house space, filter tank is divided into up and down two parts, in the casing upper space of filter tank, the filter cloth bag of establishing the skeleton upper end closed in several is set vertically, skeleton is connected with dividing plate by base, the filter cloth bag lower end communicates with lower box space, filter tank by the hole on the dividing plate, on filter cloth bag top spray equipment is set, spray equipment is connected with water pump, bottom at filter tank casing upper space arranges sewage draining exit, in lower box space, filter tank air intlet is set respectively, delivery port and discharge outlet, sewage draining exit is connected with discharge tube by valve respectively with discharge outlet, air intlet passes through valve, airduct is connected with air blast, and delivery port is connected with outlet conduit by valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210856 CN202638088U (en) | 2012-05-11 | 2012-05-11 | Blowback bag type filter unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210856 CN202638088U (en) | 2012-05-11 | 2012-05-11 | Blowback bag type filter unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202638088U true CN202638088U (en) | 2013-01-02 |
Family
ID=47407271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220210856 Expired - Fee Related CN202638088U (en) | 2012-05-11 | 2012-05-11 | Blowback bag type filter unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202638088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657972A (en) * | 2012-05-11 | 2012-09-12 | 三门峡丽源环保工程设备有限公司 | Back-blowing bag type filtration device |
-
2012
- 2012-05-11 CN CN 201220210856 patent/CN202638088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657972A (en) * | 2012-05-11 | 2012-09-12 | 三门峡丽源环保工程设备有限公司 | Back-blowing bag type filtration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150511 |
|
| EXPY | Termination of patent right or utility model |