CN105198106A - Integrated equipment for recycling technological drainage of tap water plant - Google Patents
Integrated equipment for recycling technological drainage of tap water plant Download PDFInfo
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- CN105198106A CN105198106A CN201510610077.5A CN201510610077A CN105198106A CN 105198106 A CN105198106 A CN 105198106A CN 201510610077 A CN201510610077 A CN 201510610077A CN 105198106 A CN105198106 A CN 105198106A
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- water
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- magnetic valve
- membrane assembly
- tap water
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Abstract
The invention discloses integrated equipment for recycling technological drainage of a tap water plant, and belongs to the field of advanced purification of drinking water, wherein the integrated equipment is used for recycling the technological drainage of the tap water plant. The integrated equipment comprises the devices of a raw water tank, a raw water pump, a micro-filtration membrane assembly, a high pollution resistance ultrafiltration membrane assembly, a water generating pump, a backwashing device, a chemical cleaning device and the like. The equipment is convenient to transport, easy to install and operate, high in integration degree and small in occupied space, and the serious problem that two worms, namely, cryptosporidium and giardia lamblia, of the tap water plant is thoroughly solved, so that the effluent quality reaches the drinking water standard, the recycling rate of technological wastewater reaches up to 95 percent, the water resource is saved, and the production cost of the water plant is reduced; the integrated equipment for recycling the technological drainage of the tap water plant has the advantages of being low in operating cost, long in service life, good in economical benefit and the like.
Description
Technical field
The present invention relates to a kind of drinking water treatment equipment, be specifically related to the integrated equipment that a kind of tap water water factory process drain reclaims.
Background technology
The process drain of city water water factory generally comprises spent filter backwash water and spoil disposal water, account for the 6-10% of former water, this part turbidity of wastewater is high, mineral ion and organic contamination substrate concentration large, easy delay also grows a large amount of unwanted bacteria and microorganism, and wherein " two worms " (Cryptosporidium, giardia lamblia stiles) problem is especially serious.Direct discharge not only waste water resource, also can cause certain pollution to environment.The domestic process for process drain at present mainly contains two kinds of modes: the first, and be directly back to former water, usual this mode can increase the load of original sub-block, causes cost of water treatment to raise; The second, discharge after process.Conventional process drain treatment technology, as coagulation, precipitation, micro-sand aids precipitation, air supporting etc., although these technology effectively can reduce Pollutant levels, all thoroughly cannot solve " two worms " problem.
In order to solve the problem, this patent by micro-filtration, ultra-filtration technique coupling, wherein ultra-filtration membrane effectively can remove water pollutant in the mode of Physical entrapment, comprise dissolved organic matter, algae, bacterium even virus etc. microorganism, especially " two worms ".Ultra-filtration technique is one mode safely and effectively in removal " two worms " problem, but the pollution due to ultra-filtration membrane can reduce the water production rate of film, and increases operation energy consumption, can affect the steady running of film simultaneously, shorten the film in work-ing life of film, affect its application in sewage treatment process.And this patent is by adopting the high antipollution ultra-filtration membrane of resistance to biological pollution, its biological pollution patience in operational process can be improved, extend the work-ing life of film.Simultaneously by the Integration Design of equipment and with PLC centralized Control, equipment is had, and floor space is little, running cost is low, economic and social benefit outstanding feature, can implement device continous-stable operation and ensure that effluent quality reaches the standard of national Drinking Water.
Summary of the invention
The present invention be intended to for the recycling of the process drain of waterworks a set of thorough solution " two worms " problem be provided, ensure stable effluent quality, stable, install simple, take up an area the little integrated water treating equipment in space.
The object of the invention is to be achieved through the following technical solutions:
The integrated equipment that tap water water factory process drain reclaims, comprises microfiltration systems, ultrafiltration system and automatic cleaning system; The raw water box of described microfiltration systems is connected with raw water pump, feed water flow gauge, micro-filtration intake pressure sensor, magnetic valve is connected with successively between raw water pump and micro-filtration membrane module, micro-filtration discharge pressure sensor, magnetic valve, ultrafiltration intake pressure sensor is connected successively after the water outlet of micro-filtration membrane module, be connected with the hyperfiltration membrane assembly of ultrafiltration system afterwards, connected electromagnetic valve successively after hyperfiltration membrane assembly, ultra-filtration water pressure transmitter, magnetic valve, product water pump, magnetic valve and water flow meter, rear external tap water water factory produces water tank; Produce between water tank and the motorized valve of ultrafiltration system and be provided with back washing device; Connect chemical cleaning system after ultra-filtration water pressure transmitter, chemical cleaning system water outlet connects with hyperfiltration membrane assembly water-in; Water-in, the dense water water outlet of hyperfiltration membrane assembly are all provided with magnetic valve and connect with sewage draining exit.
Further, the water shoot producing water pump is provided with magnetic valve.
Further, described raw water box, product water tank and medicine water tank are provided with liquidometer.
Further, described micro-filtration membrane module and hyperfiltration membrane assembly fixed frame are fixed.
Further, hyperfiltration membrane assembly adopts external placed type, and mould material is polyvinylidene difluoride (PVDF), and membrane pore size is 0.1 μm; Technique adopts constant current operational mode, and pH scope is 1-10, and maximum transmembrane pressure is 0.15MPa, maximum intake pressure 0.3MPa, and the automatic back-washing cycle is 30 minutes, 20 ~ 60 seconds backwash time, the 6-8 month in chemical backwash cycle.
Further, the backwashing pump both sides of described back washing device are provided with magnetic valve, and one is connected with product water tank, before the water outlet of another and hyperfiltration membrane assembly runs pipeline electromagnetic valve.
Further, described chemical cleaning system comprises medicine water tank, medicine wash water pump and magnetic valve.
The present invention has following beneficial effect:
The present invention adopts and is controlled by PLC, has that floor space is little, structures are intensive, operation is simple, installation and transportation are convenient, automatic controlling level advantages of higher.This equipment conveying facilitates, it is simple to operate to install, integrated degree is high, it is little to take up room, thoroughly solve " two worms " (Cryptosporidium, giardia lamblia stiles) problem of waterworks sternness, effluent quality is made to reach drinking water standard, the processing wastewater rate of recovery is up to 95%, save water resources, reduce the production cost of water factory.This equipment waterworks process drain is reclaimed have that working cost is low, long service life, the feature such as good in economic efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, the integrated equipment that a kind of tap water water factory process drain reclaims, comprises microfiltration systems, ultrafiltration system and automatic cleaning system; The raw water box 1 of described microfiltration systems is connected with raw water pump 2, feed water flow gauge 3, micro-filtration intake pressure sensor 4, magnetic valve 5 is connected with successively between raw water pump 2 and micro-filtration membrane module 6, micro-filtration discharge pressure sensor 7, magnetic valve 5, ultrafiltration intake pressure sensor 8 is connected successively after the water outlet of micro-filtration membrane module, be connected with the hyperfiltration membrane assembly 9 of ultrafiltration system afterwards, connected electromagnetic valve 5 successively after hyperfiltration membrane assembly, ultra-filtration water pressure transmitter 10, magnetic valve 5, product water pump 11, magnetic valve and water flow meter 12, rear external tap water water factory produces water tank 13; Produce between water tank 13 and the motorized valve 16 of ultrafiltration system and be provided with back washing device 14; Connect chemical cleaning system after ultra-filtration water pressure transmitter 10, chemical cleaning system water outlet connects with hyperfiltration membrane assembly water-in; Water-in, the dense water water outlet of hyperfiltration membrane assembly 9 are all provided with magnetic valve and connect with sewage draining exit 15; The water shoot producing water pump 11 is provided with magnetic valve 5; Described raw water box 1, product water tank 13 are provided with liquidometer with medicine water tank 17; Described micro-filtration membrane module 6 and hyperfiltration membrane assembly 9 are fixed with fixed frame; Hyperfiltration membrane assembly adopts external placed type, and mould material is polyvinylidene difluoride (PVDF), and membrane pore size is 0.1 μm; Technique adopts constant current operational mode, and pH scope is 1-10, and maximum transmembrane pressure is 0.15MPa, maximum intake pressure 0.3MPa, and the automatic back-washing cycle is 30 minutes, 20 ~ 60 seconds backwash time, the 6-8 month in chemical backwash cycle; Backwashing pump 19 both sides of described back washing device 14 are provided with magnetic valve, and one is connected with product water tank 13, before the water outlet of another and hyperfiltration membrane assembly runs pipeline electromagnetic valve; Described chemical cleaning system comprises medicine water tank 17, medicine wash water pump 18 and magnetic valve.
Under normal operating conditions, all pumps, the magnetic valve of PLC control working line are opened, former water, after raw water box 1, enters hyperfiltration membrane assembly 9 through raw water pump 2 through the water side of micro-filtration membrane module 6, and hyperfiltration membrane assembly 9 water outlet multiparity water pump 11 promotes and enters the external water tank of aquatic products from the beginning 13.When carrying out dosing cleaning, on working line, all pumps, motorized valve are closed, only open backwashing pump 19 in back washing device 14 and magnetic valve 5 is opened, backwashing pump enters cleaning water tank from product water tank 13 water lift, mix with medicine, close the magnetic valve in back washing device 14 and backwashing pump 19, open medicine wash water pump 18, the magnetic valve in chemical cleaning system, wash cycles ultra-filtration membrane number minute is promoted through medicine wash water pump 18, close the magnetic valve in chemical cleaning system and medicine wash water pump subsequently, leave standstill and soak several minutes, open magnetic valve and discharge.
Backwashing pump draws water from product water tank, enters backwash through hyperfiltration membrane assembly 9 water outlet, and water inlet flows out, and discharges to sewage draining exit 15 through magnetic valve.Raw water box, product water tank and medicine water tank are furnished with liquidometer, automatically control its flooding quantity by PLC.
Claims (7)
1. an integrated equipment for tap water water factory process drain recovery, is characterized in that: comprise microfiltration systems, ultrafiltration system and automatic cleaning system, the raw water box (1) of described microfiltration systems is connected with raw water pump (2), feed water flow gauge (3) is connected with successively between raw water pump (2) and micro-filtration membrane module (6), micro-filtration intake pressure sensor (4), magnetic valve (5), micro-filtration discharge pressure sensor (7) is connected successively after the water outlet of micro-filtration membrane module, magnetic valve (5), ultrafiltration intake pressure sensor (8), be connected with the hyperfiltration membrane assembly (9) of ultrafiltration system afterwards, connected electromagnetic valve (5) successively after hyperfiltration membrane assembly, ultra-filtration water pressure transmitter (10), magnetic valve (5), produce water pump (11), magnetic valve and water flow meter (12), rear external tap water water factory produces water tank (13), produce between water tank (13) and the motorized valve (16) of ultrafiltration system and be provided with back washing device (14), connect chemical cleaning system after ultra-filtration water pressure transmitter (10), chemical cleaning system water outlet connects with hyperfiltration membrane assembly water-in, the water-in of hyperfiltration membrane assembly (9), dense water water outlet are all provided with magnetic valve and connect with sewage draining exit (15).
2. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, is characterized in that: the water shoot producing water pump (11) is provided with magnetic valve (5).
3. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, is characterized in that: described raw water box (1), product water tank (13) are provided with liquidometer with medicine water tank (17).
4. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, is characterized in that: described micro-filtration membrane module (6) and hyperfiltration membrane assembly (9) are fixed with fixed frame.
5. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, is characterized in that: hyperfiltration membrane assembly adopts external placed type, and mould material is polyvinylidene difluoride (PVDF), and membrane pore size is 0.1 μm; Technique adopts constant current operational mode, and pH scope is 1-10, and maximum transmembrane pressure is 0.15MPa, maximum intake pressure 0.3MPa, and the automatic back-washing cycle is 30 minutes, 20 ~ 60 seconds backwash time, the 6-8 month in chemical backwash cycle.
6. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, it is characterized in that: backwashing pump (19) both sides of described back washing device (14) are provided with magnetic valve, one is connected with product water tank (13), before the water outlet of another and hyperfiltration membrane assembly runs pipeline electromagnetic valve.
7. the integrated equipment of a kind of tap water water factory according to claim 1 process drain recovery, is characterized in that: described chemical cleaning system comprises medicine water tank (17), medicine wash water pump (18) and magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610077.5A CN105198106A (en) | 2015-09-23 | 2015-09-23 | Integrated equipment for recycling technological drainage of tap water plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610077.5A CN105198106A (en) | 2015-09-23 | 2015-09-23 | Integrated equipment for recycling technological drainage of tap water plant |
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| CN105198106A true CN105198106A (en) | 2015-12-30 |
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| CN201510610077.5A Pending CN105198106A (en) | 2015-09-23 | 2015-09-23 | Integrated equipment for recycling technological drainage of tap water plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561792A (en) * | 2015-12-17 | 2016-05-11 | 青岛海大北方节能有限公司 | Technological water discharge and recycling device for tap water plant |
| CN108285209A (en) * | 2017-11-29 | 2018-07-17 | 三达膜科技（厦门）有限公司 | A kind of cross-flow loop ultrafiltration system |
| CN111362446A (en) * | 2020-04-30 | 2020-07-03 | 上海城市水资源开发利用国家工程中心有限公司 | Drinking water purification device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561792A (en) * | 2015-12-17 | 2016-05-11 | 青岛海大北方节能有限公司 | Technological water discharge and recycling device for tap water plant |
| CN108285209A (en) * | 2017-11-29 | 2018-07-17 | 三达膜科技（厦门）有限公司 | A kind of cross-flow loop ultrafiltration system |
| CN111362446A (en) * | 2020-04-30 | 2020-07-03 | 上海城市水资源开发利用国家工程中心有限公司 | Drinking water purification device and method |
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Application publication date: 20151230 |