CN205598728U - Sewage pretreatment micro -filtration equipment - Google Patents

Sewage pretreatment micro -filtration equipment Download PDF

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Publication number
CN205598728U
CN205598728U CN201521112158.4U CN201521112158U CN205598728U CN 205598728 U CN205598728 U CN 205598728U CN 201521112158 U CN201521112158 U CN 201521112158U CN 205598728 U CN205598728 U CN 205598728U
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CN
China
Prior art keywords
filter cloth
district
sludge
sewage
microfiltration equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201521112158.4U
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Chinese (zh)
Inventor
郑俊
程晓玲
郑杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Original Assignee
HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd filed Critical HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Priority to CN201521112158.4U priority Critical patent/CN205598728U/en
Application granted granted Critical
Publication of CN205598728U publication Critical patent/CN205598728U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a sewage pretreatment micro -filtration equipment, micro -filtration equipment includes intake chamber, filter cloth, play pool, sludge settling district, sludge thickening district, mud collecting region, the clean system of air knife, screw press, the filter cloth sets up in sludge settling district, sludge thickening district, still is equipped with filter cloth drive arrangement and sets up in sludge settling district, sludge thickening district, and the clean system configuration of air knife is located the below of filter cloth in the sludge thickening district, screw press sets up in the mud collecting region. This equipment can reduce by 30~60% investment cost, and sludge treatment, transportation and cost of disposal reduce by a wide margin.

Description

A kind of sewage disinfection treatment microfiltration equipment
Technical field
This utility model belongs to sewage disinfection treatment technology, is specifically related to a kind of microfiltration in sewage disinfection treatment Equipment.
Background technology
Sewage treatment process, is generally divided into coagulation, two stage treatment, tertiary treatment.The most pre-place of coagulation Reason, mainly uses the materilization freatment methods such as primary deposition;Two stage treatment mainly uses bioremediation;Three grades Process i.e. precision processing, requires to use biochemical treatment or combine with materializing strategy according to effluent quality Processing mode.In sewage treatment process, pretreatment is requisite one procedure, through the dirt of pretreatment After water passes through two stage treatment, tertiary treatment again, can qualified discharge.
At present, primary sedimentation pond is topmost pretreatment facility, its Main Function be remove organic in sewage and Inorganic nature solid particle, in addition to playing protection subsequent pipeline and valve, also can reduce two stage biological simultaneously and process The organic loading of structures.Primary sedimentation pond can be divided into conventional precipitation pond and wadding according to whether add flocculant Solidifying sedimentation tank, common efficient preliminary sedimentation tank is mainly based on flocculation sedimentation tank.Common waste water high-efficiency pretreatment skill Art mainly has coagulation, precipitation.Coagulation process needs the participation of coagulant and macromolecule flocculation aid and is just accomplished. By coagulation, oettIed sewage, not remove only substantial amounts of organic and inorganic nature solid particle, depend on simultaneously yet The a part of dissolved organic matter of Adsorption by flco.But sewage needs dissolubility when secondary biochemical treatment Organic substance completes denitrification denitrogenation process as carbon source, thus the dissolved organic matter that removes of pretreatment and two grades Needing dissolved organic matter during biochemical treatment, both create contradiction.
It addition, traditional preprocess method floor space is big, and a part of dissolubility that coagulating sedimentation is removed has Machine thing is unfavorable for denitrification denitrogenation below, thus optimal preprocess method is: can remove inorganic nature solid Body granule, again can reservation dissolved organic matter as much as possible, for biochemical treatment stage denitrification denitrogenation below Carbon source is provided, reduces capital expenditure and operating cost that additional carbon causes.
Summary of the invention
The purpose of this utility model is to provide the microfiltration equipment of a kind of sewage disinfection treatment, this device collection natural sedimentation, Physical filtering, mechanical compress, in one, can realize solid-liquid separation and process.
This utility model sewage disinfection treatment microfiltration equipment include intake chamber, filter cloth, exhalant region, sludge settling district, Sludge condensation district, mud collecting region, air knife cleaning systems, pressafiner, described filter cloth is arranged on mud and sinks In fall district, sludge condensation district, in sludge settling district, sludge condensation district, it is provided with filter cloth driving means arranges, gas Cutter cleaning systems are positioned at the lower section of filter cloth in being arranged on sludge condensation district;Pressafiner is arranged on mud collecting region In.
The hole of described filter cloth can select according to processing the difference of solid grain size in sewage.
Can be according to the difference of process sewage quantity in described mud-water separation unit, the filter cloth of optional different filter areas Requirement with the satisfied process water yield.
Can be according to the difference processing sewage quantity in described mud-water separation unit, it is possible to select multiple devices combination with full Foot processes the requirement of the water yield.
Described filter cloth driving means is provided with pressure transmitter.
Described microfiltration equipment is provided with programmable logic controller (PLC) (PLC), can automatically control startup air knife cleaning and be System and mud pressafiner, when controlling the operating of filter cloth driving means by the transmission signal of pressure transducer Between and speed.
Microfiltration equipment of the present utility model has a following advantage:
1. this equipment volume is less, only needs the 1/10 of Several Traditional Preconditioning Methods floor space.
2. clearance >=50% of couple total suspended solid TSS.
3. the sludge dewatering of integrated form, reduces follow-up Treatment of Sludge cost.
4. civilwork engineering quantity is few, it is not necessary to concrete basin.
5. need not dosing coagulant and flocculation aid, operation cost is relatively low.
6. fully-automatic equipment, safeguards simple and quick.
Accompanying drawing explanation
Fig. 1 is microfiltration equipment structural representation of the present utility model.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of microfiltration equipment for sewage disinfection treatment, described microfiltration equipment include wastewater influent room 1, filter cloth 2, Exhalant region 3, sludge settling district 4, sludge condensation district 5, mud collecting region 6, air knife cleaning systems 7, spiral Squeezer 8.Described filter cloth is arranged in sludge settling district, sludge condensation district, in sludge settling district, mud dense Being provided with filter cloth driving means in contracting district to arrange, air knife cleaning systems are positioned under filter cloth in being arranged on sludge condensation district Side;Pressafiner is arranged in mud collecting region.Described microfiltration equipment is additionally provided with programmable logic controller (PLC) (PLC), startup air knife and mud pressafiner can be automatically controlled, by the transmission signal of pressure transducer Control the duration of runs and the speed of filter cloth.Described microfiltration equipment sewage treatment method is as follows:
1, pending water enters from intake chamber 1, is evenly distributed on filter cloth 2, and water and dissolved organic matter are then Through entering exhalant region 3 after filter cloth 2, and according to the difference in filter cloth aperture, size is more than the solid particle in aperture All can be trapped in filter cloth 2 surface by filter cloth.Flow out from exhalant region 3 through water after the filter after filter cloth 2.
2, carrying out the passage of filtration time along with sewage access arrangement, the solid particle that filter cloth 2 retains also is got over Coming the most, water is also continuously increased through the resistance of filter cloth 2, and the also constantly lifting of the water level in equipment, when by pressure Power transmitter records water level when rising to a certain degree, and filter cloth starts to rotate automatically by driving means, transmission dirt Mud is to more than liquid level and enter sludge condensation district 5.Mud on sludge condensation district 5 filter cloth, makees at gravity Under with, the water that mud carries constantly penetrates filter cloth, makes the continuous retrogradation of mud, before entering sludge dewatering unit Its water content is between 94~96%.Time at the running roller that mud arrives top, collecting region, owing to filter cloth produces 180 ° turn to, major part mud then rely in the pressafiner 8 that freely falling body is directly fallen in mud district.This Time, air knife auto cleaning system 7 also automatically turns on, and the filter cloth surface after turning to further is blown torr Cleaning, utilizes the stronger air pressure that compressed air produces, removes all solid particulate matters sticked on filter cloth, Filter cloth 2 is cleaned.
3, after the mud thickness in the pressafiner 8 in falling to mud collecting region 6 reaches to a certain degree, Pressafiner is started working, and different according to moisture percentage in sewage sludge required after squeezing, pressafiner 8 can be adopted By uniform pitch or the structure of varying pitch, mud and sewage is made to be reduced to moisture content further by its squeezing action In the range of 70-80%.
In order to embody the advantage of this microfiltration equipment, and the contrast that traditional primary clarifier carries out following several respects:
1. treatment effect and Cost comparisons: certain Designing Sewage Treatment Plant flow is 200m3/ h, primary clarifier pair The average removal rate of TSS is 50%, and uses the microfiltration equipment of the present invention, and TSS average removal rate is 65%. And the expense needed for microfiltration equipment only has the half of primary clarifier.
2. Land Demand contrast: certain sewage treatment plant's disposal ability 40,000 ton per day, builds the soil that preliminary sedimentation tank needs Ground area is 800m2, after substituting with microfiltration equipment, it is only necessary to 150m2Soil.

Claims (6)

1. a sewage disinfection treatment microfiltration equipment, described microfiltration equipment includes intake chamber, filter cloth, exhalant region, sludge settling district, sludge condensation district, mud collecting region, air knife cleaning systems, pressafiner, described filter cloth is arranged in sludge settling district, sludge condensation district, being provided with filter cloth driving means in sludge settling district, sludge condensation district to arrange, air knife cleaning systems are positioned at the lower section of filter cloth in being arranged on sludge condensation district;Pressafiner is arranged in mud collecting region.
Sewage disinfection treatment microfiltration equipment the most according to claim 1, is characterized in that the hole of described filter cloth can select according to processing the difference of solid grain size in sewage.
Sewage disinfection treatment microfiltration equipment the most according to claim 1, is characterized in that according to the difference of process sewage quantity, to select the filter cloth requirement with the satisfied process water yield of different filter area.
Sewage disinfection treatment microfiltration equipment the most according to claim 1, it is characterized in that can be according to the difference of process sewage quantity, and optional multiple stage microfiltration equipment combination is with the requirement of the satisfied process water yield.
Sewage disinfection treatment microfiltration equipment the most according to claim 1, is characterized in that described filter cloth driving means is provided with pressure transmitter.
Sewage disinfection treatment microfiltration equipment the most according to claim 1 or 5, it is characterized in that described microfiltration equipment is provided with programmable logic controller (PLC) (PLC), startup air knife cleaning systems and mud pressafiner can be automatically controlled, controlled the duration of runs and the speed of driving means by the transmission signal of pressure transducer.
CN201521112158.4U 2015-12-28 2015-12-28 Sewage pretreatment micro -filtration equipment Withdrawn - After Issue CN205598728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521112158.4U CN205598728U (en) 2015-12-28 2015-12-28 Sewage pretreatment micro -filtration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521112158.4U CN205598728U (en) 2015-12-28 2015-12-28 Sewage pretreatment micro -filtration equipment

Publications (1)

Publication Number Publication Date
CN205598728U true CN205598728U (en) 2016-09-28

Family

ID=56961022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521112158.4U Withdrawn - After Issue CN205598728U (en) 2015-12-28 2015-12-28 Sewage pretreatment micro -filtration equipment

Country Status (1)

Country Link
CN (1) CN205598728U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105477919A (en) * 2015-12-28 2016-04-13 安徽华骐环保科技股份有限公司 Sewage pretreatment microfiltration equipment and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105477919A (en) * 2015-12-28 2016-04-13 安徽华骐环保科技股份有限公司 Sewage pretreatment microfiltration equipment and method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160928

Effective date of abandoning: 20170517