CN109626649A - Construction traffic rinsing table effluent cycle system - Google Patents
Construction traffic rinsing table effluent cycle system Download PDFInfo
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- CN109626649A CN109626649A CN201910015913.3A CN201910015913A CN109626649A CN 109626649 A CN109626649 A CN 109626649A CN 201910015913 A CN201910015913 A CN 201910015913A CN 109626649 A CN109626649 A CN 109626649A
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- sedimentation
- sediment
- circulation system
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000004062 sedimentation Methods 0.000 claims abstract description 59
- 239000010865 sewage Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000013049 sediment Substances 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 230000001376 precipitating effect Effects 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims 3
- 239000004576 sand Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 description 24
- 230000008676 import Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000005239 tubule Anatomy 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/44—Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
本发明提供一种施工车辆清洗台污水循环系统，污水循环系统包括导流槽、泥沙池、多级沉淀池、絮凝剂水箱和循环清水池，导流槽与泥沙池连接，用于将施工车辆清洗台清洗车辆时所产生的污水导入泥沙池内；泥沙池用于沉淀污水中的泥沙，污水经泥沙池沉淀后流入多级沉淀池；多级沉淀池用于沉淀经泥沙池沉淀后的污水，多级沉淀池中各级沉淀池之间串联连接；絮凝剂水箱内盛装絮凝剂，并与各级沉淀池分别连接，絮凝剂用于加速污水沉淀；循环清水池用于储存经多级沉淀池沉淀后的清水。分析可知，本发明可以和大部分装有集水沟的地上式洗车台匹配使用，适配性好；相比于传统的三级物理沉淀池沉淀效率高，并且减少了沉淀池的数量，成本更低。
The invention provides a sewage circulation system for a cleaning platform of a construction vehicle. The sewage circulation system includes a diversion tank, a sediment tank, a multi-stage sedimentation tank, a flocculant water tank and a circulating clean water tank. The sewage generated when the vehicle is cleaned by the construction vehicle cleaning platform is introduced into the sediment tank; the sediment tank is used to settle the sediment in the sewage, and the sewage flows into the multi-stage sedimentation tank after being settled in the sediment tank; the multi-level sedimentation tank is used to settle the sediment The sewage after sedimentation in the sand tank is connected in series between the various sedimentation tanks in the multi-stage sedimentation tank; the flocculant water tank is filled with flocculant and is connected to the sedimentation tanks at all levels. The flocculant is used to accelerate the sedimentation of sewage; the circulating clean water tank is used for Store the clean water after sedimentation in the multi-stage sedimentation tank. The analysis shows that the present invention can be matched with most of the above-ground car washes equipped with water collecting ditch, and has good adaptability; compared with the traditional three-stage physical sedimentation tank, the sedimentation efficiency is high, and the number of sedimentation tanks and the cost are reduced. lower.
Description
Technical field
The invention belongs to building fields, and in particular to a kind of building site vehicle cleaning effluent cycle system.
Background technique
In recent years, during construction, municipal construction, house breaking, material stacking and cargo transport, vehicle wheel
It is exceeded that the fugitive dust and roadway pollution that tire contamination dust, mud generate cause surrounding area air particle content, to solve this
Class problem, Environmental Protection Agency are proposed to regard allround promotion dust pollution prevention and treatment as a vital task, be monitored with standard construction and building site
Requirement, accomplish construction subtract dirt, especially site transportation vehicle has been made and having been clearly required.Relevant department also starts to some
Clean-up performance after the Construction traffic in building site rinses is checked, it is desirable that vehicle rinsing platform is arranged in construction site and matches
Drainage system, the mud sediment facility of set, haulage vehicle should can be driven out to construction site after desilting, rinsing well.
The water resource in China is very in short supply, and construction water cannot make full use of and be a problem to be solved.It is most of at present
Construction traffic is still rinsed using traditional giant in building site, and the waste water after flushing flows directly into gutter, this quadrat method is clear
Low efficiency is washed, poor to vehicle chassis cleaning effect, waste of manpower while wastes a large amount of water resource.Match in part building site
Easy vehicle steam turbine, but the waste water circulatory system due to lacking science are had, a large amount of water resource is still consumed.At present
The universal cost of sewage disposal system that service rack is equipped on the market is higher or structure is complicated, it is difficult to universal to use.
Summary of the invention
It cannot achieve effluent cycle utilization, the serious problem of water resource waste to solve current service rack, the present invention provides
This kind of sewage circulating treating system suitable for ground carwash platform, it is improved in that the effluent cycle system packet
Include diversion trench, silt pond, multifeed clarifier, flocculant water tank and circulation clear water reserviors, wherein
The diversion trench is connect with the silt pond, generated sewage when for by Construction traffic rinsing table cleaning vehicle
It imports in the silt pond；
The silt pond is set to below ground, and for precipitating the silt in the sewage, the sewage is through the silt pond
The multifeed clarifier is flowed into after precipitating；
The multifeed clarifier is used to precipitate the sewage after the precipitating of the silt pond, in the multifeed clarifier respectively
It is connected in series between grade sedimentation basin；
Flocculant is contained in the flocculant water tank, and is separately connected with the sedimentation basins at different levels, and the flocculant is used for
Accelerate the settlement of sewage；
The circulation clear water reserviors are connect with the multifeed clarifier, clear after multifeed clarifier precipitating for storing
Water.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, silt bottom of pond end is equipped with silt
Pump, the silt after the sediment pump is used to precipitate are extracted out.
Further, the institute in above-mentioned Construction traffic rinsing table effluent cycle system, after the precipitating of the silt pond
It states sewage and flows into the sedimentation basin by filter screen.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, the multifeed clarifier includes level-one
Sedimentation basin and second-level settling pond.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, the first stage precipitation tank and the mud
It is connected between sand basin by the first transverse tube, is connect between the second-level settling pond by the second transverse tube.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, first transverse tube is in vertical direction
Higher than second transverse tube.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, the circulation clear water reserviors and described the
Two sedimentation basins are connected by vertical tube.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, second transverse tube is in vertical direction
Higher than the vertical tube.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, the flocculant water tank is set to described
Above sedimentation basin.
Further, in above-mentioned Construction traffic rinsing table effluent cycle system, the circulation clear water reserviors are applied with described
The high-pressure spray gun of work vehicle rinsing table is connected, and realizes recycling for waste water.
Analysis is it is found that compared with prior art, the present invention have the following beneficial effects:
It is used with being matched with most of ground type service rack equipped with collecting gutter, suitability is good；Using strainer coarse filtration and wadding
Solidifying sedimentation combines, high compared to traditional three-level physical sedimentation pond deposition efficiency, and reduces the quantity of sedimentation basin, and
The waste water circulatory system that high-end carwash platforms some at present are equipped with is compared, and cost is lower.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.Wherein:
The structural schematic diagram of Fig. 1 Construction traffic rinsing table effluent cycle system provided by the invention.
Description of symbols:
1- diversion trench；The first transverse tube of 2-；The close mesh filter screen of 3-；4- silt pond；5- sediment pump；6- first stage precipitation tank；7- second
Transverse tube；8- second-level settling pond；9- flocculant water tank；10- vertical tube；11- recycles clear water reserviors.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.The explanation of each example through the invention
Mode, which provides, to be not intended to limit the present invention.In fact, those skilled in the art will be clear that, the scope of the present invention or essence are not being departed from
In the case where mind, it can modify in the present invention and modification.For example, being illustrated or described as the spy of a part of one embodiment
Sign can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to which the present invention includes to be included into appended power
Such modifications and variations in the range of benefit requirement and its equivalent.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the present invention rather than require the present invention that must be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Term used in the present invention " connected ", " connection ", " setting " shall be understood in a broad sense, for example, it may be solid
Fixed connection, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, being the structural schematic diagram of Construction traffic rinsing table effluent cycle system provided by the invention, the sewage
The circulatory system includes diversion trench 1, silt pond 4, multifeed clarifier, flocculant water tank 9 and circulation clear water reserviors 11.Wherein, diversion trench 1
Ground or more can be set to hereinafter, it connect with the top in silt pond 4, the sewage that Construction traffic generates after rinsing table cleaning can
It is imported in silt pond 4 through ground diversion trench 1.Because being mixed with silt in the sewage that flows in diversion trench 1, therefore it is preferred that diversion trench 1 is on ground
It is higher than silt pond 4 on face to be arranged, and will be arranged to the connecting pin in silt pond 4 with corner structure, then the top with silt pond 4
End connection, such setting can preferably ensure smoothly to import sewage in silt pond 4.In some alternative embodiments,
Diversion trench 1 can also be obliquely installed, i.e., towards and the connecting pin in silt pond 4 gradually decrease setting, and by the company with silt pond 4
The top that end is set to silt pond 4 is connect, so as to preferably ensure smoothly to import sewage in silt pond 4.
Specifically, above-mentioned silt pond 4 is set to below ground, is in cuboid-type or cylinder type.Through derived from diversion trench 1
It after sewage with silt imports silt pond 4, is stood in silt pond 4 first, the silt during standing in sewage will be
Automatic sedimentation is in the bottom in silt pond 4 under gravity, when the sewage imported in silt pond 4 is enough, after precipitating silt
Upper layer sewage can flow into multifeed clarifier through the first transverse tube 2 to be continued to settle.
Further, the first transverse tube 2 for connecting silt pond 4 and multifeed clarifier is set to silt pond 4 and multifeed clarifier
First stage precipitation tank 6 upper end, and which is provided with filter screen, which is set to the connecting pin in silt pond 4, and the application is preferred
Filter device is close mesh filter screen 3, i.e., the upper layer sewage after precipitating silt in silt pond 4 also needs to filter through overstocked mesh filter screen 3
After can flow into multi stage precipitation mud and continue to precipitate, close mesh filter screen 3, which is arranged, may insure when due in Construction traffic cleaning process
The sewage of generation is more, full silt pond 4 is stored when sewage fails to precipitate well in silt pond 4, close mesh filter screen 3 can have at this time
The barrier silt of effect flows into multifeed clarifier.Preferably, above-mentioned close mesh filter screen 3 is 100 mesh filter screens.Wherein, mesh (mesh)
Refer to the empty eye number on 1inch (2.54cm) sieve.1 mesh just refers to that the eyelet on every square of English inch is 1.In addition to indicating to sieve
Outside the eyelet of net, it is used to indicate simultaneously can be by the partial size of the particle of sieve, and mesh number is higher, and partial size is smaller.According to silt
The diameter of particle is generally 0.05mm-2.0mm, and the preferably close mesh filter screen 3 of the present embodiment is that 100 mesh are that most preferably, about may filter that
Particulate matter diameter is 0.15mm.
It is first stage precipitation tank 6 respectively preferably two in the present embodiment as shown in Figure 1, the multifeed clarifier in the application
With second-level settling pond 8.First stage precipitation tank 6 and second-level settling pond 8 are connected in series by the second transverse tube 7.First stage precipitation tank 6 and second level
Sedimentation basin 8 is set to below ground, can be and is in same level with above-mentioned silt pond 4, is also possible to lower than silt
The position in pond 4 is arranged.First stage precipitation tank 6 and second-level settling pond 8 can be cuboid-type or cylinder type, and the present invention does not do this
It is specific to limit.
Above-mentioned sewage after filtering imports first stage precipitation tank 6 first, and continues to settle in first stage precipitation tank 6, until
To be stored in first stage precipitation tank 6 it is full after, after liquid level reaches the position of the second transverse tube 7 in first stage precipitation tank 6, then through level-one sedimentation
Sewage flow to progress second level sedimentation in second-level settling pond 8 through the second transverse tube 7.Sewage precipitated in above-mentioned two-stage sedimentation basin with
Staticly settling in silt pond 4 the difference is that, first stage precipitation tank 6 and second-level settling pond 8 respectively with above-mentioned flocculant water
Case 9 is connected by tubule, and flocculant water tank 9 is set to the top of first stage precipitation tank 6 and second-level settling pond 8, when first stage precipitation tank 6
After importing sewage in second-level settling pond 8, the flocculant in flocculant water tank 9 can pass through tubule under control of the control system
It flows into first stage precipitation tank 6 and second-level settling pond 8, under the action of flocculant, the impurity in sedimentation basin in sewage can be with wadding
Solidifying agent, which combines, generates flocculent deposit and rapid subsidence.Sedimentation basin is used in combination the application with flocculant water tank 9, compared to tradition
Simple physical subsidence style, can high degree improve sewage treating efficiency, while the setting of sedimentation basin can also be reduced, because passing
The sedimentation basin that the physics subsidence style of system needs to be arranged more stages could be up to standard by sewage treatment.Above-mentioned flocculant is preferably nothing
Machine high polymer coagulant.Inorganic polymer flocculant be grow up on the basis of tradition aluminium salt, molysite one kind it is novel
Water treatment agent, price is less expensive, and purifying water effect is good.It up to standard can continue cycling through and use through above-mentioned two-stage oettIed sewage
The clear water flowed out in clear water degree, i.e. second-level settling pond 8 is flow in circulation clear water reserviors 11 by vertical tube 10 and is utilized for circulating in.
Above-mentioned each sedimentation basin will be lower than in the vertical direction by recycling clear water reserviors 11, being capable of maximum journey to ensure to demonstrate,prove processed clear water
The remittance of degree.The other end of circulation clear water reserviors 11 is connected with high-pressure spray gun, and high-pressure spray gun can will store in circulation clear water reserviors 11
Clear water extraction after be directly used in Construction traffic cleaning, realize recycling for waste water.
Further, with the increase of use time, the silt of 4 bottom deposit of silt pond can be more and more, therefore, this Shen
It please is equipped with sediment pump 5 in the bottom in above-mentioned silt pond 4, sediment pump 5 can periodically automatically extract the silt of bottom deposit out.By
Impurity content is seldom in through silt pond 4 and the filtered sewage of close mesh filter screen 3, therefore the application is not in first stage precipitation tank
6 and the bottom of second-level settling pond 8 sediment pump 5 is set, but periodic detection is if it find that when more sediment long-term accumulation, then makes
Sediment is extracted out with sediment pump.
Further, due to can be fewer and fewer by impurity in the sewage of precipitation process layer by layer, i.e., from the left end in Fig. 1 to
Right end, from silt pond 4 to second-level settling pond 8, impurity can be fewer and fewer in sewage therein, and lower sediment thing is fewer and fewer, on
The clear water of layer is more and more, to guarantee that filtered clear water can utmostly flow to next stage, guarantees sewage treating efficiency, this
Application the second transverse tube 7 of setting will be lower than the height of the first transverse tube 2 in the height of vertical direction.Similarly, 8 right end of second-level settling pond connects
The connection open height of the vertical tube 10 connect will be lower than the height of the second transverse tube 7 in vertical direction.
Combined with specific embodiments below, to the course of work of the Construction traffic rinsing table effluent cycle system of the application do into
One step illustrates:
When carwash, the waste water with silt flows into the diversion trench 1 below service rack by the rain perforaled strainer around service rack,
Waste water enters silt pond 4 by diversion trench 1, filters out coarse grained silt and impurity through overstocked mesh filter screen 3 after precipitating.Silt pond 4
The sediment pump 5 of bottom automatically turns on exclusion silt at regular intervals prevents close mesh filter screen 3 from blocking.After close mesh filter screen 3
Water flows into first stage precipitation tank 6 by the first transverse tube 2, and flocculant water tank 9 opens the tubule connecting with first stage precipitation tank 6 at this time, and
Flocculant is added in first stage precipitation tank 6, the sewage in first stage precipitation tank 6 forms flocculent deposit, Zhi Houxu in conjunction with flocculant
Shape precipitating sink, the limpider sewage in upper layer by the second transverse tube 7 continue indwelling second-level settling pond 8, flow into second-level settling pond 8 with
Same principle carries out secondary precipitation.Clear water by secondary precipitation flows into circulation clear water reserviors 11 into vertical tube 10 is crossed, and recycles clear water reserviors
11 are connected with the high-pressure spray gun of rinse-system again, recycle to realize to flushing waste water.
Construction traffic rinsing table effluent cycle system provided by the invention can be matched with ground type service rack, work
When, collecting gutter need to be only connected with system entry diversion trench 1 more than bottom surface, by system circulation clear water reserviors 11 and service rack
High-pressure spray gun is connected, and assembly is simple, and suitability is strong.
It is combined using strainer coarse filtration and flocculation sedimentation technology, it is high compared to traditional three-level physical sedimentation pond deposition efficiency,
Reduce the quantity of sedimentation basin.It can be greatly reduced using the flocculate that sewage after strainer coarse filtration is formed in I and II sedimentation basin,
Therefore also do not need the installation in sedimentation basin is using sediment pump extraction if sediment long-term accumulation is more except silt system
Can, it is lower that cost is compared with the service rack sedimentation basin that can reach identical sedimentation effect at present.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015913.3A CN109626649A (en) | 2019-01-08 | 2019-01-08 | Construction traffic rinsing table effluent cycle system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015913.3A CN109626649A (en) | 2019-01-08 | 2019-01-08 | Construction traffic rinsing table effluent cycle system |
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| CN109626649A true CN109626649A (en) | 2019-04-16 |
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| CN201910015913.3A Pending CN109626649A (en) | 2019-01-08 | 2019-01-08 | Construction traffic rinsing table effluent cycle system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865348A (en) * | 2019-04-18 | 2019-06-11 | 南京逐电汽车科技有限公司 | A kind of Multistage settling waste water circulation vehicle washing system and process for treating waste water for car wash |
| CN110126791A (en) * | 2019-06-24 | 2019-08-16 | 国电龙源电力技术工程有限责任公司 | Construction vehicle chassis sand and soil pre-cleaning system |
| CN110482751A (en) * | 2019-09-04 | 2019-11-22 | 东风设计研究院有限公司 | A kind of water circulation processing system used for more rooms of drenching with rain |
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| ATA900191A (en) * | 1990-03-20 | 1993-10-15 | Frey Franz | METHOD AND SYSTEM FOR PROVIDING WASHING WATER FOR WASHING SYSTEMS OF VEHICLES |
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| CN109865348A (en) * | 2019-04-18 | 2019-06-11 | 南京逐电汽车科技有限公司 | A kind of Multistage settling waste water circulation vehicle washing system and process for treating waste water for car wash |
| CN109865348B (en) * | 2019-04-18 | 2024-03-12 | 南京逐电汽车科技有限公司 | Multistage sedimentation wastewater circulation car washing system and car washing wastewater treatment method |
| CN110126791A (en) * | 2019-06-24 | 2019-08-16 | 国电龙源电力技术工程有限责任公司 | Construction vehicle chassis sand and soil pre-cleaning system |
| CN110482751A (en) * | 2019-09-04 | 2019-11-22 | 东风设计研究院有限公司 | A kind of water circulation processing system used for more rooms of drenching with rain |
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Application publication date: 20190416 |
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