CN202898140U - System for recycling oil-containing washing waste water - Google Patents

System for recycling oil-containing washing waste water Download PDF

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Publication number
CN202898140U
CN202898140U CN 201220529693 CN201220529693U CN202898140U CN 202898140 U CN202898140 U CN 202898140U CN 201220529693 CN201220529693 CN 201220529693 CN 201220529693 U CN201220529693 U CN 201220529693U CN 202898140 U CN202898140 U CN 202898140U
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water
oil
reclaiming
storeyed
ultrafiltration
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CN 201220529693
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Chinese (zh)
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王国彬
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Guangzhou Peng Kai environmental Polytron Technologies Inc
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GUANGZHOU PENGKAI WATER TREATMENT EQUIPMENT CO Ltd
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Abstract

The utility model provides a system for recycling oil-containing washing waste water, which comprises a waste water collecting tank, a lifting pump, a flocculating agent adding device, a gas stripping down-flow reactor and an internal circulating system, wherein the waste water collecting tank, the lifting pump, the gas stripping down-flow reactor and the internal circulating system are sequentially connected by a pipeline; and the flocculating agent adding device is used for adding a flocculating agent into the pipeline between the lifting pump and the gas stripping down-flow reactor. The oil-containing washing waste water is purified after sequentially through the waste water collecting tank, the lifting pump, the gas stripping down-flow reactor and the internal circulating system, so that the purification efficiency is high, and the technology is simple.

Description

A kind of oil-containing contains reclaiming system for waste washing water in storeyed
Technical field
The utility model relates to water treatment system, refers to that especially a kind of oil-containing contains reclaiming system for waste washing water in storeyed.
Background technology
China is the country of a shortage of water resources, a lot of local waters that all occur in various degree are flurried, therefore, the comprehensive utilization of the waste water such as life, production becomes more important, and it is current in the world newer water technology that By Bubble-floating Method purifies factory effluent and sanitary sewage, and its principle is to introduce a large amount of micro-bubbles in waste water, bubble adheres on the fine suspension by surface tension effects, form whole proportion less than 1 situation, according to law of buoyancy floating to the water surface, thereby realize that solid-liquid or liquid liquid separate.
Traditional oil-containing contains the technique that the washes treatment process often adopts oil removal-air supporting-biochemical treatment, but traditional dissolved air type air-float equipment is because the defective on the project organization, processing power is lower, sewage residence time in air supporting needs 40-60 minute, equipment volume is comparatively huge, and purification efficiency is low.
The utility model content
The utility model proposes a kind of oil-containing and contain reclaiming system for waste washing water in storeyed, the combination process that adopts pre-treatment flocculation sediment, air lift to fall flow reactor, ultrafiltration contains washes processing reclaiming system to traditional oil-containing and carries out upgrading, it is long to have solved in the prior art treatment time, the low problem that waits of purification efficiency.
The technical solution of the utility model is achieved in that a kind of oil-containing contains reclaiming system for waste washing water in storeyed, comprising:
The wastewater collection pond, lift pump, flocculating agent feeding device, flow reactor and internal circulation system fall in air lift, described wastewater collection pond, described lift pump, described air lift is fallen flow reactor and is connected successively by pipeline with described internal circulation system, described flocculating agent feeding device is located at described lift pump and described air lift is fallen between the flow reactor, and connect by pipeline, described flocculating agent feeding device carries out the action that adds of flocculation agent, oil-containing contains washes and passes through successively described wastewater collection pond, described lift pump, flow reactor and described internal circulation system fall in described air lift, described wastewater collection pond can be stored, compile the water quality and quantity with balanced waste water, described lift pump provides the current of flow and constant pressure for follow-up system, described flocculating agent feeding device adds flocculation agent in waste water, described internal circulation system can improve the efficient of purifying waste water, and reduces production costs.
Further, described air lift is fallen flow reactor and is comprised outside the up-flow district, the header at middle part and the defoaming device on top that fall stream district, inside, described header is connected with outlet conduit, waste water and bubble enter from the bottom in described up-flow district, the bubble floating that is attached with suspended substance in the described up-flow district drains into described defoaming device by device interior pressure with the foam of the water surface to the top, the water that density is larger and a part of coarse particles impurity then flow toward the described stream district direction of falling, and clear water is discharged by the described header in middle part.
Further, described air lift is fallen the flow reactor bottom and is provided with sludge-discharge pipe, described defoaming device is mechanical defoaming device, described air lift is fallen in the flow reactor coarseparticulate and then is deposited on the bottom and discharges by shore pipe, prevents that flow reactor from falling in described air lift blocked, adopts described mechanical defoaming device, defoaming effectiveness is good, cost is low, has more actual needs, also can adopt the devices such as ultrasonic wave froth breaking.
Further, described internal circulation system comprises gas-liquid separator, efflux aerator and the ultrafiltration system that hyperfiltration membrane assembly is installed, described efflux aerator is located at described air lift and is fallen between flow reactor and the described ultrafiltration system, and be communicated with water pipe by diffuser tube, pressurized air is after described efflux aerator compression, discharge through described diffuser tube again, the ingoing stream pipeline, in water body, enter in the hyperfiltration membrane assembly with current with trickle bubble rising, bubble causes that in film flow turbulence also can effectively prevent the obstruction on ultra-filtration membrane surface, described gas-liquid separator includes waterpipe, upper end pneumatic outlet pipeline, lower end liquid exit pipeline, described water inlet pipe is connected to after the described ultrafiltration system, described pneumatic outlet pipeline is communicated with described up-flow district bottom pipe, described liquid exit pipeline is connected to the outlet conduit behind the described header, water body through described ultrafiltration system is rich in micro-bubble, be back to described gas-liquid separator, gas backstreaming to described air lift is fallen flow reactor as air supply source after separating, the outlet conduit that liquid then is back to behind the described header forms internal circulation system, improve efficient, reduced cost.
Further; the screen filter of impurity in the topping-up pump of the flow that is connected with assure feed water between flow reactor and the described ultrafiltration system in turn and constant pressure and the interception water falls in described air lift; the model specification of described topping-up pump and quantity are foundation according to influent quality and the water yield; described screen filter can be removed Suspended Matter in Water; particulate matter; reduce raw water turbidity; the generation of minimizing system dirt, bacterium algae, corrosion and the normal operation of securing system miscellaneous equipment, described screen filter mainly arranges in order to guarantee the ultrafiltration influent quality.
Further, there are clean water basin described ultrafiltration system rear end also setting tool, for the water outlet behind collection, the storage ultrafiltration system.
Further, described clean water basin are connected with for the ultrafiltration system backwash by pipeline the backwashing pump of power and the accurate filter that guarantees quality of reused water are provided, the setting of described accurate filter prevents that the impurity that product water mixes from entering in the ultrafiltration system when backwash in storage process, cause the film pollution of hyperfiltration membrane assembly or situation about stopping up.
Further, described oil-containing contains reclaiming system for waste washing water in storeyed and also comprises the sterilization chemicals dosing plant, described sterilization chemicals dosing plant is located between described ultrafiltration system and the described clean water basin, and connects by pipeline, and described sterilization chemicals dosing plant is used for further improving the water quality of reuse water.
Further, described wastewater collection pond ingress is provided with the fine fack of removing solid sundries in the fluid, and described fine fack can be removed suspended substance thicker in the waste water or floating debris, and the assurance subsequent processing device is normally moved.
The beneficial effects of the utility model are: oil-containing contains washes successively by described fine fack, described wastewater collection pond, described lift pump, flow reactor falls in described air lift, described topping-up pump, described screen filter, described ultrafiltration system, described clean water basin, described backwashing pump and described accurate filter, described flocculating agent feeding device falls in described lift pump and described air lift and adds flocculation agent between the flow reactor, described gas-liquid separator separates at the laggard promoting the circulation of qi liquid of described hyperfiltration membrane assembly, gas enters described air lift and falls in the flow reactor, liquid then is back to the outlet conduit behind the described header, the pipeline of described sterilant throwing device between described clean water basin and described hyperfiltration membrane assembly carries out adding of sterilant, the pre-treatment flocculation sediment that the utility model adopts, flow reactor falls in air lift, the combination process of ultrafiltration, more outstanding on processing efficiency, air supporting principle that flow reactor takes full advantage of and the combination of technical construction fall in described air lift wherein, can be good at realizing solid-liquid separation effect, oil-containing contains washes through after as above processing, the clearances such as suspended substance are high, the rate of recovery of water is high, the described internal circulation system that adopts in the utility model has very large effect for the lifting of overall system performance, the dense water that organic concentration is higher refluxes again behind ultrafiltration system, form described internal circulation system, increased the biodegradability of system, being transported to ducted pressurized air through described efflux aerator both falls flow reactor for described air lift source of the gas is provided, also increased simultaneously the dissolving oxygen concentration in the water, aerobic microbiological in the water is just grown in the film surface attachment of described hyperfiltration membrane assembly, with the organism in the water as the required carbon source of self growth and breeding, this moment is by described gas-liquid separator, the internal circulation system that described efflux aerator and described ultrafiltration system form just has the function of materialization and biochemistry (can reach simultaneously the effect of film-bioreactor art breading waste water) simultaneously concurrently, can not only wipe oil, also can reduce the CODcr in the water, BOD5, make the treatment process of system more perfect, treatment effect improves.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that a kind of oil-containing of the utility model contains an embodiment of reclaiming system for waste washing water in storeyed;
Fig. 2 is the process flow sheet that a kind of oil-containing of the utility model contains reclaiming system for waste washing water in storeyed.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, a kind of oil-containing contains reclaiming system for waste washing water in storeyed, comprising:
Wastewater collection pond 2, lift pump 3, flocculating agent feeding device 4, flow reactor 5 and internal circulation system fall in air lift, wastewater collection pond 2, lift pump 3, air lift is fallen flow reactor 5 and is connected successively by pipeline with internal circulation system, flocculating agent feeding device 4 is located at lift pump 3 and air lift is fallen between the flow reactor 5, and connect by pipeline, flocculating agent feeding device 4 carries out the action that adds of flocculation agent, oil-containing contains washes and passes through successively wastewater collection pond 2, lift pump 3, flow reactor 5 and internal circulation system fall in air lift, wastewater collection pond 2 can be stored, compile the water quality and quantity with balanced waste water, lift pump 3 provides the current of flow and constant pressure for follow-up system, flocculating agent feeding device 4 adds flocculation agent in waste water, internal circulation system can improve the efficient of purifying waste water, and reduces production costs.
Further, air lift is fallen flow reactor 5 and is comprised outside the up-flow district 52, the header 53 at middle part and the defoaming device 51 on top that fall stream district, inside, header 53 is connected with outlet conduit, waste water and bubble enter from the bottom in up-flow district 52, the bubble floating that is attached with suspended substance in the up-flow district 52 drains into defoaming device 51 by device interior pressure with the foam of the water surface to the top, the water that density is larger and a part of coarse particles impurity then flow toward falling stream district direction, and clear water is discharged by middle part header 53.
Further, air lift is fallen flow reactor 5 bottoms and is provided with sludge-discharge pipe, defoaming device 51 is mechanical defoaming device 51, air lift is fallen flow reactor 5 interior coarseparticulates and then is deposited on the bottom and discharges by shore pipe, prevents that flow reactor 5 from falling in air lift blocked, adopts mechanical defoaming device 51, defoaming effectiveness is good, cost is low, has more actual needs, also can adopt the devices such as ultrasonic wave froth breaking.
Further, internal circulation system comprises gas-liquid separator 6, efflux aerator 9 and the ultrafiltration system that hyperfiltration membrane assembly 10 is installed, efflux aerator 9 is located at air lift and is fallen between flow reactor 5 and the ultrafiltration system, and be communicated with water pipe by diffuser tube, pressurized air is after efflux aerator 9 compressions, discharge through diffuser tube again, the ingoing stream pipeline, in water body, enter in the hyperfiltration membrane assembly 10 with current with trickle bubble rising, bubble causes that in film flow turbulence also can effectively prevent the obstruction on ultra-filtration membrane surface, gas-liquid separator 6 includes waterpipe, upper end pneumatic outlet pipeline, lower end liquid exit pipeline, water inlet pipe is connected to after the ultrafiltration system, the pneumatic outlet pipeline is communicated with up-flow district 52 bottom pipe, the liquid exit pipeline is connected to the outlet conduit behind the header 53, water body through ultrafiltration system is rich in micro-bubble, be back to gas-liquid separator 6, gas backstreaming to air lift is fallen flow reactor 5 as air supply source after separating, the outlet conduit that liquid then is back to behind the header 53 forms internal circulation system, improve efficient, reduced cost.
Further; the screen filter 8 of impurity in the topping-up pump 7 of the flow that is connected with assure feed water between flow reactor 5 and the ultrafiltration system in turn and constant pressure and the interception water falls in air lift; the model specification of topping-up pump 7 and quantity are foundation according to influent quality and the water yield; screen filter 8 can be removed Suspended Matter in Water; particulate matter; reduce raw water turbidity; the generation of minimizing system dirt, bacterium algae, corrosion and the normal operation of securing system miscellaneous equipment, screen filter 8 mainly arranges in order to guarantee the ultrafiltration influent quality.
Further, there are clean water basin 12 ultrafiltration system rear end also setting tool, for the water outlet behind collection, the storage ultrafiltration system.
Further, clean water basin 12 are connected with for the ultrafiltration system backwash by pipeline the backwashing pump 13 of power and the accurate filter 14 that guarantees quality of reused water are provided, the setting of accurate filter 14 prevents that the impurity that product water mixes from entering in the ultrafiltration system when backwash in storage process, cause the film pollution of hyperfiltration membrane assembly 10 or situation about stopping up.
Further, oil-containing contains reclaiming system for waste washing water in storeyed and also comprises sterilization chemicals dosing plant 11, and sterilization chemicals dosing plant 11 is located between ultrafiltration system and the clean water basin 12, and connects by pipeline, and sterilization chemicals dosing plant 11 is used for further improving the water quality of reuse water.
Further, wastewater collection pond 2 ingresss are provided with the fine fack 1 of removing solid sundries in the fluid, and fine fack 1 can be removed suspended substance thicker in the waste water or floating debris, and the assurance subsequent processing device is normally moved.
Now, we do a description with regard to specific operation process of the present utility model: oil-containing contains washes and removes thicker suspended substance or floating debris in the waste water by fine fack 1 successively, again waste water flowing collecting tank 2 storages, compile the water quality and quantity with balanced waste water, then become the current of flow and constant pressure after promoting through lift pump 3, flocculating agent feeding device 4 falls between the flow reactor 5 in lift pump 3 and air lift and adds flocculation agent, the current air lift of flowing through is fallen flow reactor 5 and is processed, the bubble floating that is attached with suspended substance is drained into defoaming device 51 by device interior pressure with the foam of the water surface to the top, the water that density is larger and a part of coarse particles impurity then flow toward falling stream district direction, clear water is discharged by middle part header 53, carry out supercharging through 7 pairs of current of topping-up pump again, carry out coarse filtration by 8 pairs of current of screen filter, then by ultrafiltration system current are carried out ultrafiltration, remove most molecules, then entering clean water basin 12 collects, backwashing pump 13 provides power in the backwash of ultrafiltration system, water quality when accurate filter 14 is used for guaranteeing the ultrafiltration system backwash, gas-liquid separator 6 separates at hyperfiltration membrane assembly 10 laggard promoting the circulation of qi liquid, gas enters air lift and falls in the flow reactor 5, liquid enters the outlet conduit behind the header 53, the pipeline of sterilant throwing device 11 between clean water basin 12 and hyperfiltration membrane assembly 10 carries out adding of sterilant, after oil-containing contains these processing of washes process, removal efficiency is up to 99.8%, the clearance of CODcr can reach 80%, the water rate of recovery reaches 80%, processing efficiency is high, and technique is simple.
Below only be preferred embodiment of the present utility model, in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. an oil-containing contains reclaiming system for waste washing water in storeyed, it is characterized in that, comprising:
Flow reactor and internal circulation system fall in wastewater collection pond, lift pump, flocculating agent feeding device, air lift; Described wastewater collection pond, described lift pump, described air lift are fallen flow reactor and are connected successively by pipeline with described internal circulation system; Described flocculating agent feeding device is located at described lift pump and described air lift is fallen between the flow reactor, and connects by pipeline.
2. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 1, it is characterized in that: described air lift is fallen flow reactor and is comprised the outside up-flow district that falls stream district, inside; The header at middle part and the defoaming device on top, described header is connected with outlet conduit.
3. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 2, it is characterized in that: described air lift is fallen the flow reactor bottom and is provided with sludge-discharge pipe, and described defoaming device is mechanical defoaming device.
4. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 1, it is characterized in that: described internal circulation system comprises gas-liquid separator, efflux aerator and the ultrafiltration system that hyperfiltration membrane assembly is installed, described efflux aerator is located at described air lift and is fallen between flow reactor and the described ultrafiltration system, and be communicated with water pipe by diffuser tube, described gas-liquid separator includes waterpipe, upper end pneumatic outlet pipeline, lower end liquid exit pipeline, described water inlet pipe is connected to after the described ultrafiltration system, described pneumatic outlet pipeline is communicated with described up-flow district bottom pipe, and described liquid exit pipeline is connected to the outlet conduit behind the described header.
5. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 4, it is characterized in that: the screen filter of impurity in the topping-up pump of the flow that is connected with assure feed water between flow reactor and the described ultrafiltration system in turn and constant pressure and the interception water falls in described air lift.
6. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 5, it is characterized in that: described ultrafiltration system rear end also is provided with clean water basin.
7. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 6, it is characterized in that: described clean water basin are connected with for the ultrafiltration system backwash by pipeline the backwashing pump of power and the accurate filter that guarantees quality of reused water are provided.
8. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 7, it is characterized in that: described oil-containing contains reclaiming system for waste washing water in storeyed and also comprises the sterilization chemicals dosing plant, described sterilization chemicals dosing plant is located between described ultrafiltration system and the described clean water basin, and connects by pipeline.
9. oil-containing contains reclaiming system for waste washing water in storeyed as described in claim 1, it is characterized in that: described wastewater collection pond ingress is provided with the fine fack of removing solid sundries in the fluid.
CN 201220529693 2012-10-16 2012-10-16 System for recycling oil-containing washing waste water Active CN202898140U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874965A (en) * 2012-10-16 2013-01-16 广州市鹏凯水处理设备有限公司 System for recycling waste water containing oil and washing water
CN105819618A (en) * 2016-03-29 2016-08-03 江苏建筑职业技术学院 Device for treating suspended matter in sewage through flocculation aeration composite method and removing method thereof
CN107428562A (en) * 2015-03-23 2017-12-01 荷兰联合利华有限公司 For reclaiming clean water and the apparatus and method of surfactant concentrate from buck

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874965A (en) * 2012-10-16 2013-01-16 广州市鹏凯水处理设备有限公司 System for recycling waste water containing oil and washing water
CN107428562A (en) * 2015-03-23 2017-12-01 荷兰联合利华有限公司 For reclaiming clean water and the apparatus and method of surfactant concentrate from buck
CN105819618A (en) * 2016-03-29 2016-08-03 江苏建筑职业技术学院 Device for treating suspended matter in sewage through flocculation aeration composite method and removing method thereof
CN105819618B (en) * 2016-03-29 2018-11-27 江苏建筑职业技术学院 Suspended matter equipment and its minimizing technology in a kind of flocculation aeration composite algorithm processing sewage

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C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20160512

Address after: 511400, 904, Guangzhou science and technology innovation building, Panyu energy saving Science Park, No. 555, Panyu Avenue, Panyu District, Guangdong, China

Patentee after: Guangzhou Peng Kai environmental Polytron Technologies Inc

Address before: Tsun Yip Shawan Town East Industrial Zone of Panyu District ancient street in Guangzhou City, Guangdong province 511487 No. 28 two

Patentee before: Guangzhou Pengkai Water Treatment Equipment Co., Ltd.

C41 Transfer of patent application or patent right or utility model