CN201538718U - Advanced treatment system for recycling municipal sewage - Google Patents
Advanced treatment system for recycling municipal sewage Download PDFInfo
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- CN201538718U CN201538718U CN2009202111041U CN200920211104U CN201538718U CN 201538718 U CN201538718 U CN 201538718U CN 2009202111041 U CN2009202111041 U CN 2009202111041U CN 200920211104 U CN200920211104 U CN 200920211104U CN 201538718 U CN201538718 U CN 201538718U
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Abstract
The utility model relates to an advanced treatment system for recycling municipal sewage, in particular to a sewage advanced treatment system which refines the discharge water of municipal sewage plants used as the water resource and purifies the make-up water of circulating water serving as cold rolling industries or the raw water of demineralized water stations. The advanced treatment system for recycling municipal sewage comprises a pretreatment part, an ultrafiltration system connected with the pretreatment part, and an antiosmosis system connected with the ultrafiltration system. The advanced treatment system solves the problems of advanced treatment and recycling of municipal sewage.
Description
Technical field
The utility model relates to a kind of municipal wastewater reuse advanced treatment system, is specifically related to discharge water with municipal wastewater factory as the water source, purifies the advanced treatment of wastewater system as the former water of the make up water of cold rolling enterprise recirculated water or desalination water station.
Background technology
China is the country that water resources lacks, and the Freshwater resources occupancy volume is 1/4 of a world average level only per capita, is one of 13 countries of in the world lack of water.The Chinese industrial water accounts for 20.8% of the total water withdrawal in the whole nation, and wherein Iron And Steel Industry is one of water consumption rich and influential family.
Water is the lifeblood of industry, and it is to weigh a flat important indicator of Steel Complex's water water consumption that the ton steel consumes new water index.Report according to China Iron ﹠ Steel Association's trade information news conference for the first time: advanced person's value of the external new water consumption of iron and steel enterprise's ton steel is at 2.1-4.1m
3Between/the t, still there are bigger gap in the ton new water consumption of steel and the world advanced person of domestic iron and steel enterprises, have very big water saving potential.
Because at present new water scarcity, the policy of taking is becoming tight and new water to take cost soaring year by year, enterprises service water cyclic utilization rate has arrived higher level, the repeating utilization factor that further improves water again is difficulty relatively.In this case, enlarge the water intaking water source, from sewage, find new outlets and do systemic circulation and become iron and steel enterprise and carry out national water saving and prevention and cure of pollution requirement, developing ecology type industry, improve international competitiveness, promote the effective ways and the means of China's Iron And Steel Industry sustainable and healthy development.Therefore adopt " middle water reuse " technology to become the important water saving measures that reduces new water consumption.
The utility model content
The purpose of this utility model is to provide a kind of municipal wastewater reuse advanced treatment system, water outlet after this municipal wastewater reuse advanced treatment system is handled, can reach requirement, with the advanced treatment that solves municipal wastewater and the problem of reuse as the former water of the make up water of cold rolling enterprise recirculated water or desalination water station.
The utility model solves the problems of the technologies described above by the following technical programs.
Municipal wastewater reuse advanced treatment system is characterized in that, comprising:
Preprocessing part;
Ultrafiltration system, described ultrafiltration system is connected with described preprocessing part;
Reverse osmosis system, described reverse osmosis system is connected with described ultrafiltration system.
Described preprocessing part comprises:
Former pond;
In described former pond, add the first medicament adding set of sterilant;
First lift pump, the water-in of described lift pump and described former pond are by first pipe connection;
More medium filter, the water outlet of the water-in of described more medium filter and described first lift pump is by second pipe connection;
First line mixer, described first line mixer are arranged on described second pipeline;
In described first line mixer, add the second medicament adding set of coagulating agent.
Described preprocessing part can also comprise plate-type heat exchanger, and the water-in of described plate-type heat exchanger and the water outlet of described more medium filter are by pipe connection, and the water outlet of described plate-type heat exchanger and described ultrafiltration system pass through pipe connection.When coming the water water temperature low, the more medium filter water outlet is heated by plate-type heat exchanger, regulates about water temperature to 20 ℃, and water temperature raises and helps improving the product water flux of subsequent ultrafiltration system and reverse osmosis system.
Described ultrafiltration system comprises:
Self-cleaning filter, described self-cleaning filter and described preprocessing part are by the 3rd pipe connection;
Ultra-filtration equipment, described ultra-filtration equipment and described self-cleaning filter are by the 4th pipe connection;
Intermediate pool, described intermediate pool and described ultra-filtration equipment are by the 5th pipe connection;
In described intermediate pool, add the 3rd medicament adding set of acid or non-oxidizable sterilant.
In order to clean ultra-filtration equipment, described ultrafiltration system also comprises the backwash device that ultra-filtration equipment is carried out backwash, and described backwash device and described ultra-filtration equipment pass through pipe connection.
For ultra-filtration equipment is carried out matting, described ultrafiltration system also comprises the chemically-cleaning device (can overlap chemically-cleaning device with reverse osmosis unit shared) that ultra-filtration equipment is carried out matting, and described chemically-cleaning device and described ultra-filtration equipment pass through pipe connection.
Described reverse osmosis system comprises:
Second lift pump, described second lift pump and described ultrafiltration system are by the 6th pipe connection;
Security personnel's strainer, the water-in of described security personnel's strainer and described second lift pump are by the 7th pipe connection;
Second line mixer, described second line mixer are arranged on described the 7th pipeline;
In described second line mixer, add the 4th medicament adding set of reductive agent or Scale inhibitors;
High-pressure pump, the water outlet of the water-in of described high-pressure pump and described security personnel's strainer is by the 8th pipe connection;
Reverse osmosis unit, the water-in of described reverse osmosis unit and the water outlet of described high-pressure pump are by the 9th pipe connection;
Reuse pool, the water outlet of described reuse pool and described reverse osmosis unit is by the tenth pipe connection.
In order to clean reverse osmosis unit, described reverse osmosis system also comprises the chemically-cleaning device that reverse osmosis unit is carried out matting, and described chemically-cleaning device and described reverse osmosis unit pass through pipe connection.
The utlity model has following beneficial effect:
(1) adopt the discharge water (sanitary sewage after handling postindustrial waste water and handling) of municipal wastewater treatment plant, to be back to the make up water of the clean recirculated water of cold rolling industry after the advanced treatment as the water source;
(2) this project adopts the alternative conventional ion exchange of reverse osmosis unit to carry out desalting treatment, reduced second environmental pollution, for cold rolling enterprise and even domestic industry enterprise water resources crisis provide one of effective solution, and it is economical convenient to have, the level of automation height, the characteristics of convenient management;
(3) adopt municipal wastewater reuse advanced treatment system of the present utility model to handle municipal wastewater, last product water pH is 6.5-9.0, and suspended substance, excrement colibacillus group etc. are removed fully, CODCr＜5mg/l, total hardness＜2mg/l, chlorion≤5mg/l, specific conductivity≤35 μ s/cm, ratio of desalinization reaches more than 98%, water quality satisfies the water inlet requirement of desalination water station, produce water and can be used as the alternative water source of underground water, as the former water of desalination water station, thus the maintenance groundwater resource;
(4) substitute the pretreatment process of traditional gac with ultrafiltration as reverse osmosis, water outlet SDI15≤3, with the more medium filter combination, can more effective protection reverse osmosis.
Description of drawings
Fig. 1 is the process flow sheet of the municipal wastewater reuse advanced treatment system described in the embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1.Municipal wastewater reuse advanced treatment system mainly is made up of preprocessing part, ultrafiltration system, reverse osmosis system.Ultrafiltration system is connected with preprocessing part, and reverse osmosis system is connected with ultrafiltration system.
Preprocessing part comprises former pond, the first medicament adding set, first line mixer, first lift pump, more medium filter, plate-type heat exchanger, the second medicament adding set and corresponding pipeline etc.Municipal wastewater treatment plant discharge water (former water) enters former pond from pipe-line transportation to be stored, and the first medicament adding set adds sterilant in former pond.The water-in of first lift pump and former pond are by first pipe connection.The water outlet of the water-in of more medium filter and first lift pump is by second pipe connection.Second pipeline is provided with first line mixer, and the second medicament adding set adds coagulating agent in first line mixer.The water-in of plate-type heat exchanger and the water outlet of more medium filter pass through pipe connection.
Ultrafiltration system comprises self-cleaning filter, ultra-filtration equipment, intermediate pool, the 3rd medicament adding set and corresponding pipeline etc.The plate-type heat exchanger of self-cleaning filter and preprocessing part is by the 3rd pipe connection; Ultra-filtration equipment and self-cleaning filter are by the 4th pipe connection.Intermediate pool and ultra-filtration equipment are by the 5th pipe connection; The 3rd medicament adding set adds acid or non-oxidizable sterilant in intermediate pool.Ultrafiltration system also comprises backwash device and the chemically-cleaning device (with the shared chemically-cleaning device of reverse osmosis unit) that ultra-filtration equipment is carried out backwash, and backwash device and ultra-filtration equipment are by pipe connection, and chemically-cleaning device also passes through pipe connection with ultra-filtration equipment.The ultra-filtration membrane material of ultra-filtration equipment can adopt the PVDF material through hydrophilic modifying, and this ultra-filtration membrane materials chemistry stability is high, anti-oxidant, easy cleaning, long service life; Simultaneously can select the external-compression type membrane element wide in range for use, be more suitable for the characteristics that raw water quality is poor, fluctuation is big the pre-treatment requirement.
Reverse osmosis system comprises second lift pump, the 4th medicament adding set, second line mixer, security personnel's strainer, high-pressure pump, reverse osmosis unit, reuse pool and corresponding pipeline etc.The intermediate pool of second lift pump and ultrafiltration system is by the 6th pipe connection.The water-in of security personnel's strainer and second lift pump are by the 7th pipe connection.The 7th pipeline is provided with second line mixer.The 4th medicament adding set adds reductive agent or Scale inhibitors in second line mixer.The water-in of high-pressure pump passes through the 8th pipe connection with the water outlet of security personnel's strainer.The water-in of reverse osmosis unit and the water outlet of high-pressure pump are by the 9th pipe connection.The water outlet of reuse pool and reverse osmosis unit is by the tenth pipe connection.Reverse osmosis system also comprises the chemically-cleaning device that reverse osmosis unit is carried out matting, and chemically-cleaning device and reverse osmosis unit pass through pipe connection.Reverse osmosis unit can adopt the antipollution type polyamide composite film of wide runner, and this film has firmer desalination layer, and wide runner has improved the working efficiency and the membrane flux of film, reduces membrane element quantity, has reduced equipment cost; Antipollution type polyamide composite film effectively suppresses the formation of microbial film on the film surface, is fit to be rich in organism and microorganism in the former water of this project, the former water characteristic that easy biology is grown.
The following describes the working process of municipal wastewater reuse advanced treatment system of the present utility model.
Municipal wastewater treatment plant water outlet (sanitary sewage after handling postindustrial waste water and handling) at first enters former pond and stores, in former pond, add sterilant by the first medicament adding set, after regulating water quality and quantity, being promoted to more medium filter by first lift pump filters (before entering more medium filter, add coagulating agent by the second medicament adding set, mix by line mixer), remove suspended substance and colloidalmaterial in the former water, when coming the water water temperature low, the more medium filter water outlet is heated by plate-type heat exchanger, regulate about water temperature to 20 ℃, water temperature raises and helps improving the product water flux of subsequent ultrafiltration system and reverse osmosis system.
The water outlet of preprocessing part enters ultrafiltration system and carries out depth type filtration.Before entering ultra-filtration equipment, need enter self-cleaning filter.The physics crown_interception of the ultra-filtration membrane of ultra-filtration equipment can be removed colloid, suspended particle and bacterium, the virus etc. of the overwhelming majority in the water, makes to produce the requirement that water water quality meets follow-up reverse osmosis system influent quality.The product water of ultra-filtration equipment enters intermediate pool and stores.Add acid or non-oxidizable sterilant by the 3rd medicament adding set to intermediate pool.
Water in the intermediate pool is promoted to security personnel's strainer through second lift pump and (adds reductive agent or Scale inhibitors by the 4th medicament adding set before entering security personnel's strainer, mix by line mixer), after security personnel's strainer filters, water outlet enters reverse osmosis unit by high-pressure pump and carries out desalting treatment, by overcoming the osmotic pressure of film both sides solution, the ion of the overwhelming majority is removed in the water.Reverse osmosis produced water enters reuse pool and stores, and delivers to circulating water system or delivers to the desalination water station by working shaft when needing.
Those of ordinary skill in the art will be appreciated that, above embodiment only is to be used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (7)
1. municipal wastewater reuse advanced treatment system is characterized in that, comprising:
Preprocessing part;
Ultrafiltration system, described ultrafiltration system is connected with described preprocessing part;
Reverse osmosis system, described reverse osmosis system is connected with described ultrafiltration system.
2. municipal wastewater reuse advanced treatment system according to claim 1 is characterized in that described preprocessing part comprises:
Former pond;
In described former pond, add the first medicament adding set of sterilant;
First lift pump, the water-in of described first lift pump and described former pond are by first pipe connection;
More medium filter, the water outlet of the water-in of described more medium filter and described first lift pump is by second pipe connection;
First line mixer, described first line mixer are arranged on described second pipeline;
In described first line mixer, add the second medicament adding set of coagulating agent.
3. municipal wastewater reuse advanced treatment system according to claim 1 is characterized in that described ultrafiltration system comprises:
Self-cleaning filter, described self-cleaning filter and described preprocessing part are by the 3rd pipe connection;
Ultra-filtration equipment, described ultra-filtration equipment and described self-cleaning filter are by the 4th pipe connection;
Intermediate pool, described intermediate pool and described ultra-filtration equipment are by the 5th pipe connection;
In described intermediate pool, add the 3rd medicament adding set of acid or non-oxidizable sterilant.
4. municipal wastewater reuse advanced treatment system according to claim 1 is characterized in that described reverse osmosis system comprises:
Second lift pump, described second lift pump and described ultrafiltration system are by the 6th pipe connection;
Security personnel's strainer, the water-in of described security personnel's strainer and described second lift pump are by the 7th pipe connection;
Second line mixer, described second line mixer are arranged on described the 7th pipeline;
In described second line mixer, add the 4th medicament adding set of reductive agent or Scale inhibitors;
High-pressure pump, the water outlet of the water-in of described high-pressure pump and described security personnel's strainer is by the 8th pipe connection;
Reverse osmosis unit, the water-in of described reverse osmosis unit and the water outlet of described high-pressure pump are by the 9th pipe connection;
Reuse pool, the water outlet of described reuse pool and described reverse osmosis unit is by the tenth pipe connection.
5. municipal wastewater reuse advanced treatment system according to claim 2, it is characterized in that: described preprocessing part also comprises plate-type heat exchanger, the water-in of described plate-type heat exchanger and the water outlet of described more medium filter are by pipe connection, and the water outlet of described plate-type heat exchanger and described ultrafiltration system pass through pipe connection.
6. municipal wastewater reuse advanced treatment system according to claim 3 is characterized in that: described ultrafiltration system also comprises the backwash device that ultra-filtration equipment is carried out backwash, and described backwash device and described ultra-filtration equipment pass through pipe connection.
7. municipal wastewater reuse advanced treatment system according to claim 4, it is characterized in that: described reverse osmosis system also comprises the chemically-cleaning device that ultrafiltration and reverse osmosis unit is carried out matting, and described chemically-cleaning device and described ultrafiltration and reverse osmosis unit pass through pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202111041U CN201538718U (en) | 2009-10-22 | 2009-10-22 | Advanced treatment system for recycling municipal sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202111041U CN201538718U (en) | 2009-10-22 | 2009-10-22 | Advanced treatment system for recycling municipal sewage |
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| Publication Number | Publication Date |
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| CN201538718U true CN201538718U (en) | 2010-08-04 |
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| CN2009202111041U Expired - Lifetime CN201538718U (en) | 2009-10-22 | 2009-10-22 | Advanced treatment system for recycling municipal sewage |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139977A (en) * | 2011-05-03 | 2011-08-03 | 北京美华博大环境工程有限公司 | Reverse osmosis treatment system with high recovery rate |
| CN102344215A (en) * | 2010-12-10 | 2012-02-08 | 新疆德蓝股份有限公司 | Novel water treatment method for boiler feedwater |
| CN102408165A (en) * | 2010-09-26 | 2012-04-11 | 中国石油化工股份有限公司 | Deep reusing method for municipal sewage reaching sewage discharge standards |
| CN102557289A (en) * | 2010-12-22 | 2012-07-11 | 中国科学院研究生院 | Movable coalbed methane-produced wastewater treatment method |
| CN102603106A (en) * | 2012-03-22 | 2012-07-25 | 北京能泰高科环保技术股份有限公司 | Composite system and method for treating industrial wastewater by membrane distillation |
| CN102658035A (en) * | 2012-05-09 | 2012-09-12 | 首钢总公司 | Method for preventing organic matters from polluting and blocking water treatment membrane |
| CN105293787A (en) * | 2014-05-29 | 2016-02-03 | 宝山钢铁股份有限公司 | Cold rolling alkaline discharged wastewater advanced treatment and recycling process system and method |
| CN106630295A (en) * | 2017-01-06 | 2017-05-10 | 河北渤海煤焦化有限公司 | Sewage treatment process |
| CN107746129A (en) * | 2017-11-06 | 2018-03-02 | 江苏天雨环保集团有限公司 | Integrated Treated sewage reusing and pure water equipment |
| CN110217929A (en) * | 2019-05-15 | 2019-09-10 | 华电电力科学研究院有限公司 | A kind of make up water treatment system and method suitable for Distribution of Natural formula energy source station |
-
2009
- 2009-10-22 CN CN2009202111041U patent/CN201538718U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408165A (en) * | 2010-09-26 | 2012-04-11 | 中国石油化工股份有限公司 | Deep reusing method for municipal sewage reaching sewage discharge standards |
| CN102344215A (en) * | 2010-12-10 | 2012-02-08 | 新疆德蓝股份有限公司 | Novel water treatment method for boiler feedwater |
| CN102344215B (en) * | 2010-12-10 | 2013-04-03 | 新疆德蓝股份有限公司 | Novel water treatment method for boiler feedwater |
| CN102557289A (en) * | 2010-12-22 | 2012-07-11 | 中国科学院研究生院 | Movable coalbed methane-produced wastewater treatment method |
| CN102139977A (en) * | 2011-05-03 | 2011-08-03 | 北京美华博大环境工程有限公司 | Reverse osmosis treatment system with high recovery rate |
| CN102603106A (en) * | 2012-03-22 | 2012-07-25 | 北京能泰高科环保技术股份有限公司 | Composite system and method for treating industrial wastewater by membrane distillation |
| CN102658035A (en) * | 2012-05-09 | 2012-09-12 | 首钢总公司 | Method for preventing organic matters from polluting and blocking water treatment membrane |
| CN105293787A (en) * | 2014-05-29 | 2016-02-03 | 宝山钢铁股份有限公司 | Cold rolling alkaline discharged wastewater advanced treatment and recycling process system and method |
| CN106630295A (en) * | 2017-01-06 | 2017-05-10 | 河北渤海煤焦化有限公司 | Sewage treatment process |
| CN107746129A (en) * | 2017-11-06 | 2018-03-02 | 江苏天雨环保集团有限公司 | Integrated Treated sewage reusing and pure water equipment |
| CN110217929A (en) * | 2019-05-15 | 2019-09-10 | 华电电力科学研究院有限公司 | A kind of make up water treatment system and method suitable for Distribution of Natural formula energy source station |
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Granted publication date: 20100804 |