CN201648187U - Reusable laundry room sewage processing device - Google Patents
Reusable laundry room sewage processing device Download PDFInfo
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- CN201648187U CN201648187U CN2010201377642U CN201020137764U CN201648187U CN 201648187 U CN201648187 U CN 201648187U CN 2010201377642 U CN2010201377642 U CN 2010201377642U CN 201020137764 U CN201020137764 U CN 201020137764U CN 201648187 U CN201648187 U CN 201648187U
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- sewage
- water
- pipeline
- membrane bioreactor
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Abstract
The utility model discloses a reusable laundry room sewage processing device which comprises a grid pool, a water collecting pool, a filter, an anaerobic hydrolysis pool and a membrane bioreactor, wherein the grid pool is connected with the water collecting pool through a pipeline and is higher than the water collecting pool; a submersible sewage pump is arranged at the bottom part of the water collecting pool and connected with the filter through a pipeline; the filter is connected with the anaerobic hydrolysis pool through a pipeline; a pipeline is arranged at the bottom part of the anaerobic hydrolysis pool to lead to the bottom part of the membrane bioreactor; and a blast blower is connected with the pipeline at a water outlet at the bottom part of the anaerobic hydrolysis pool through a pipeline to oxygenate water entering the membrane bioreactor. Sewage from a laundry room can satisfy the reuse standard after being processed by the device. The reusable laundry room sewage processing device has the advantages of simple process, high maneuverability, small fixed investment and low running and management cost.
Description
Technical field
The utility model relates to environmental technology field, but particularly using sewage of wash house recycling and processing equipment.
Background technology
The washing composition of using in the laundry of hotel, restaurant and railway systems is made up of tensio-active agent and some auxiliary agents, and the washing composition that wherein contains anion surfactant uses the most extensive.The main component of anion surfactant is linear alkylbenzene sulphonic acid (LAS), and it is not single compound, may comprise having the several of different chain length and isomer or whole relevant multiple compound.Auxiliary agent mainly is made of ancillary components such as increasing clean agent, SYNTHETIC OPTICAL WHITNER, white dyes, corrosion inhibitor, foaming regulator, enzyme.Anion surfactant is a kind of water pollutant widely, and lasting chronic toxicity effect is arranged, and to human body, animals and plants, particularly hydrobiological toxic action can not be ignored.In addition, it can make hydrophobic organic emulsification such as the petroleum products that enters water body, PCB, PAH and disperse, and has increased the difficulty of wastewater treatment, thereby has brought difficulty to treatment plant's running.Except that above-mentioned substance, also there are pollutents such as other organism and suspended solid in the wash water of laundry.People have developed many effective treatment craft to reach the purpose of purification at this type of sewage, mainly contain micro-electrolysis method, A/O contact oxidation method, A2/O system process, SBR activated sludge process, coagulation-biochemical process, ultrasonic irradiation method etc. at present.These technologies differ from one another, and can remove organism, anion surfactant and various auxiliary agent in the sewage effectively, and can realize the purpose of qualified discharge.But above-mentioned treatment process only can qualified discharge, all is difficult to reach the purpose of reuse, and technology is complicated, and operability is not high, and fixed investment is bigger, and operation and handling cost are higher.
Lee Ling " railway washes handle and reuse project design " (" Chinese water supply and drainage ", 2000,16 (4): a 34-36) literary composition, mention and adopt the materialization combination process to handle the railway washes and realize the purpose of reuse, flow process is as follows:
Former water → grid → adjusting settling tank → coagulating sedimentation or air supporting → sand filtration → sterilization → reuse
This technical process is more numerous, and it is more to relate to operating unit, and therefore, required fixed investment is bigger, and operation and handling cost are also bigger.The sand filtration space is bigger, is mainly used to intercept bigger colloidal solid, still has less colloidal solid (comprising unicellular microorganism), organism, tensio-active agent and auxiliary agent after filtering.Still can not effectively remove these materials after the sterilization, microorganism corpse and other organism can produce peculiar smell after the reuse, and supply nutrients for the microorganism in the cloth.
The utility model content
But technical problem to be solved in the utility model is to provide a kind of using sewage of wash house recycling and processing equipment at the deficiencies in the prior art, makes the washes can recycling, and operating procedure is simple.
Technical problem to be solved in the utility model can be achieved by following technical solution:
But a kind of using sewage of wash house recycling and processing equipment, comprise grating tank, water collecting basin, strainer, anaerobic fixed film reactor, membrane bioreactor by pipe connection, it is characterized in that, described grating tank is by the pipe connection water collecting basin and be provided with than water collecting basin height, the water collecting basin bottom is provided with submersible sewage pump, submersible sewage pump is by the pipe connection strainer, strainer is by the pipe connection anaerobic fixed film reactor, in the anaerobic fixed film reactor bottom pipeline is set and leads to the membrane bioreactor bottom, gas blower is by the water outlet place pipeline at the bottom of the pipe connection anaerobic fixed film reactor.
On water outlet place pipeline at the bottom of connecting anaerobic fixed film reactor and the pipeline that gas blower is connected a spinner-type flowmeter is set.
Interval of grid strip is below the 30mm in the described grid;
At the inwall of described membrane bioreactor liquidometer can be set and test high-water and low-water level;
The water pump that can draw water and carry out reuse to the cleaning pond is set in described membrane bioreactor, overflow weir is set at the high-water place of membrane biological reaction wall.
The utility model is taked earlier sewage to be carried out anaerobic hydrolysis-acidification and is handled, is LAS and organic matter degradation to be fit to the processable small-molecule substance that aerobic microbiological is handled, improve the biodegradability of sewage, make sewage in follow-up membrane bioreactor, to obtain handling, improved the operational efficiency of total system greatly with the less energy consumption and the short residence time.Because the crown_interception of microfiltration membrane in the membrane bioreactor, system's effluent quality is more stable, and reaches the quality of reused water standard, thereby realizes the purpose of reuse.Also owing to the crown_interception of microfiltration membrane, the microorganism concn in the membrane bioreactor is higher simultaneously, thereby biochemical efficiency is fast, and device processing volume load is big, and the equipment occupation of land is few.In membrane bioreactor, hydraulic detention time separates fully with sludge retention time, so the technology flexible operation is stable, is easy to realize automatic control, convenient operation and management.Excess sludge production is also lower in membrane bioreactor.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, but the using sewage of wash house recycling and processing equipment comprises: by pipe connection grating tank 1 and water collecting basin 2, described water collecting basin 2 bottoms are provided with submersible sewage pump 3; Strainer 4, anaerobic fixed film reactor 5 and membrane bioreactor 6 by pipe connection, be provided with water pump (not shown) and liquidometer 8 in the described membrane bioreactor 6, inwall is provided be high-water 7 lines of 0.3～0.5 meter away from pond top and than the low-water line 10 of low 0.5～1 meter of high-water line; With gas blower 12, at the bottom of connecting anaerobic fixed film reactor, on 5 water outlet place pipeline and the pipeline that gas blower 12 is connected a spinner-type flowmeter 11 is set by 5 water outlet place pipe connection at the bottom of pipeline and the anaerobic fixed film reactor; Described grating tank 1 is than water collecting basin 2 height, and submersible sewage pump 3 is by pipe connection strainer 4, and anaerobic fixed film reactor 5 and membrane bioreactor 6 link to each other in the bottom.
Principle of work of the present utility model is: the effect of grating tank 1 is mainly used to stop suspended substance bigger in the wash water of laundry to enter subsequent technique, guarantees carrying out smoothly of subsequent technique, and interval of grid strip is below the 30mm; The water that comes out from grating tank 1 enters water collecting basin 2 collection sewage, by submersible sewage pump 3 water in the water collecting basin 2 is pumped into strainer 4, and a little bit smaller suspended substance filters in 4 pairs of sewage of strainer, further reduces suspended substance.The water that strainer 4 comes out enters anaerobic fixed film reactor 5, and anaerobic hydrolysis-acidification is the pre-treatment of membrane biological reaction, is directly connected to the operating performance of membrane bioreactor 6.The anaerobic activated sludge outward appearance is the black flock, mainly form, under oxygen free condition, carry out Metabolic activity, can secrete extracellular enzyme catalysis larger molecular organics and resolve into small organic molecule by acid formers group, sewage pH value decreases, and respective process is referred to as acidication.The principal pollutant of laundry wash water are LAS and organism, and the LAS of higher concentration also can hinder microbic activity and propagation, thereby have increased the biological degradation difficulty of sewage, therefore take earlier sewage to be carried out anaerobic hydrolysis-acidification and handle.Acid formers carries out biocatalytic reaction by the immobilized enzyme that discharges the free enzyme in extracellular or be connected on the mantle, is LAS and organic matter degradation to be fit to the processable small-molecule substance that aerobic microbiological is handled, improve the biodegradability of sewage, make sewage in follow-up aerobe process, to obtain handling with the less energy consumption and the short residence time.
After sewage is handled through anaerobic fixed film reactor 5, it is anaerobic state, and the membrane bioreactor 6 of postorder must so pass through gas blower 12 to the ducted drum wind oxygen supply of water outlet 13 places of anaerobic fixed film reactor, make it be under the aerobic state to enter membrane bioreactor 6 under aerobic state.Can know by spinner-type flowmeter 11 and to blast amount of oxygen and it is controlled.
The win or lose that the fine or not direct relation of membrane bioreactor 6 operating performances this technology is that entire sewage is handled the key point that reclaims.Membrane bioreactor 6 is biological treatment systems that activated sludge process and embrane method are combined, and the utility model adopts aerobic activated sludge and microfiltration membrane, and array mode can be integral type or separated type.The aerobic activated sludge outward appearance is the khaki color flock, mainly form by heterotrophic organism and protobiont, carry out Metabolic activity under aerobic conditions, its effect is that exhaustive oxidation becomes carbonic acid gas and water under intracellular enzyme catalysis in the small organic molecule suction body that the acidication stage is formed.The effect of microfiltration membrane is organism, tensio-active agent, auxiliary agent and the aerobic microbiological of holding back in the sewage, increases the concentration of substrate and microorganism, thereby improves the degradation capability of microorganism to pollutent greatly.The material permeance film of holding back diameter less than film forms clear water, and water quality can reach " railway quality of reused water standard " (TB/T3007-2000), can realize the purpose of reuse.The water level that membrane bioreactor is 6 kinds, just starts the pump handle water pump and goes out reactor when the water level in reactor reaches high-water 7 by liquidometer 8 controls, enters the cleaning pond, has been equipped with recycling; If water level in low-water level 10, does not just start water pump.High-water 7 places at reactor wall are provided with overflow weir 9, prevent from that water level is too high to can not get control, are to surpass high-water and the safeguard procedures of water pump when not have startup in time at water level.
The utility model working process is as follows:
(1) the laundry wash water is removed the suspended substance in the sewage earlier through grating tank 1;
(2) water outlet by grating tank 1, water collecting basin 2 and strainer 4 enters anaerobic fixed film reactor 5.In anaerobic fixed film reactor 5, anaerobic activated sludge concentration is between 2.5g/L～35.0g/L, and hydraulic detention time is greater than 5hr.In this process, acidifying becomes small organic molecule to anaerobic activated sludge with hydrolysis of organic matter with macromole LAS in the sewage, and water outlet enters membrane bioreactor 6;
(3) in membrane bioreactor, aerobic activated sludge concentration is between 0.5g/L～8.0g/L, and dissolved oxygen is greater than 0.8mg/L, and hydraulic detention time is between 2hr～10hr, microfiltration membrane hold back diameter smaller or equal to 10 μ m, working pressure is between 0.3～4.0bar.In this process, the small organic molecule exhaustive oxidation that aerobic activated sludge forms the acidication stage becomes carbonic acid gas and water, and the material permeance film of holding back diameter less than film forms clear water, clear water reuse.
System's effluent quality is as follows: the mean value of COD is 11.25mg/L～48.56mg/L, and wherein LAS mean value is 0.21mg/L～0.93mg/L; Total phosphorus mean value is 0.05mg/L～0.15mg/L; NH
3-N mean value 3.35mg/L～8.72mg/L; The clearance of SS is 95%～100%; PH mean value is 6.5～8.5.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. but using sewage of wash house recycling and processing equipment, comprise grating tank, water collecting basin, strainer, anaerobic fixed film reactor, membrane bioreactor and gas blower, it is characterized in that, described grating tank is by the pipe connection water collecting basin and be provided with than water collecting basin height, in the water collecting basin bottom submersible sewage pump is set, submersible sewage pump is by the pipe connection strainer, strainer is by the pipe connection anaerobic fixed film reactor, in the anaerobic fixed film reactor bottom pipeline is set and leads to the membrane bioreactor bottom, described gas blower is by the water outlet place pipeline at the bottom of the pipe connection anaerobic fixed film reactor.
2. but using sewage of wash house recycling and processing equipment according to claim 1 is characterized in that, on the water outlet place pipeline at the bottom of connecting anaerobic fixed film reactor and the pipeline of gas blower spinner-type flowmeter is set.
3. but using sewage of wash house recycling and processing equipment according to claim 1 is characterized in that, interval of grid strip is below the 30mm in the described grating tank.
4. but using sewage of wash house recycling and processing equipment according to claim 1 is characterized in that, in described membrane bioreactor liquidometer is set.
5. but using sewage of wash house recycling and processing equipment according to claim 1 is characterized in that, the water pump that can draw water and carry out reuse to the cleaning pond is set in the described membrane bioreactor.
6. but using sewage of wash house recycling and processing equipment according to claim 3 is characterized in that, at the membrane biological reaction wall overflow weir is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201377642U CN201648187U (en) | 2010-03-22 | 2010-03-22 | Reusable laundry room sewage processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201377642U CN201648187U (en) | 2010-03-22 | 2010-03-22 | Reusable laundry room sewage processing device |
Publications (1)
| Publication Number | Publication Date |
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| CN201648187U true CN201648187U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201377642U Expired - Fee Related CN201648187U (en) | 2010-03-22 | 2010-03-22 | Reusable laundry room sewage processing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274520A (en) * | 2013-06-19 | 2013-09-04 | 徐州工程学院 | Ecological membrane bioreactor |
| CN106698865A (en) * | 2017-03-22 | 2017-05-24 | 贵州大学 | Industrial wastewater purifier |
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
-
2010
- 2010-03-22 CN CN2010201377642U patent/CN201648187U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274520A (en) * | 2013-06-19 | 2013-09-04 | 徐州工程学院 | Ecological membrane bioreactor |
| CN106698865A (en) * | 2017-03-22 | 2017-05-24 | 贵州大学 | Industrial wastewater purifier |
| CN106698865B (en) * | 2017-03-22 | 2023-04-07 | 贵州大学 | Industrial sewage purification device |
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130322 |