CN105668945A - Wastewater purification treatment device - Google Patents
Wastewater purification treatment device Download PDFInfo
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- CN105668945A CN105668945A CN201610204746.3A CN201610204746A CN105668945A CN 105668945 A CN105668945 A CN 105668945A CN 201610204746 A CN201610204746 A CN 201610204746A CN 105668945 A CN105668945 A CN 105668945A
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- 238000000746 purification Methods 0.000 title claims abstract description 19
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
Abstract
The invention discloses a wastewater purification treatment device, belonging to the field of sewage treatment. The wastewater purification treatment device comprises a mobile supporting frame and a wastewater purification treatment device arranged on the mobile supporting frame, wherein the wastewater purification treatment device comprises a wastewater collection unit, a jet flow floatation machine, a three-phase separation unit, a mixing and regulation treatment unit, a biochemical treatment unit and a reclaimed water collection unit; the wastewater collection unit communicates with the jet flow floatation machine through a fluid, the jet flow floatation machine communicates with the three-phase separation unit through a fluid, the three-phase separation unit communicates with the mixing and regulation treatment unit through a fluid, the mixing and regulation treatment unit communicates with the biochemical treatment unit through a fluid, and the biochemical treatment unit communicates with the reclaimed water collection unit through a fluid; a water pump is connected between the jet flow floatation machine and the three-phase separation unit; and the three-phase separation unit is provided with an exceeding pipeline which directly communicates with the reclaimed water collection unit. The wastewater purification treatment device has high integration degree, and is convenient for movement; and meanwhile, the treated reclaimed water has low impurity content.
Description
Technical field
The present invention relates to sewage treatment area, particularly to a kind of wastewater purification device.
Background technology
Now Chinese or even global water pollution problems is all day by day serious, so, carry out recycling of water resource extremely important also very necessary, the equipment that known effluent cycle water uses is by precipitating, filtration two-stage process forms, defecator adopts filter cotton, filter the filtering materials such as yarn, to the COD in sewage, impurity, oily substance, the clearances such as phosphorus are relatively low, also need to add various medicament, filter element need to be regularly replaced, not only add the processing cost of sewage, and process after water quality also undesirable, abnormal flavour in water can not be removed, and the residual medicament in water, there is corrosivity, affect follow-up use.
Such as publication number is the Chinese patent literature of CN203999210U, disclose a kind of wastewater purification device, including the first process pond, second processes pond, first dissolving, second dissolving, pretreatment pool, described pretreatment pool is provided with waste water inlet, pretreatment pool and first is processed pond and is connected by outlet pipe, first processes pond passed through cross current with the second process pond, first dissolving processes pond connection by the first trachea and first, second dissolving processes pond connection by the second trachea and second, the outlet of the first trachea is arranged on below the outlet of described outlet pipe, the outlet of the second trachea is arranged on below the described outlet crossing water pipe, described first bottom surface processing pond is funnel-form, the middle part of its bottom surface is provided with scum pipe, it is provided with evacuated tube in the middle part of described second bottom surface processing pond.
Although technique scheme can adapt to the wastewater treatment of variable concentrations, but its volume is relatively greatly, and the silt in mobile inconvenience and waste water is removed thorough, the water quality after impact process. Accordingly, it would be desirable to design a kind of wastewater purification device that can solve the problem that the problems referred to above.
Summary of the invention
The technical problem to be solved is to provide a kind of wastewater purification device, and its integrated degree is high and is easy to mobile, and the impurities in water content after simultaneously having processed is low, to solve the above-mentioned multinomial defect existed in prior art.
For achieving the above object, the present invention provides following technical scheme:
A kind of wastewater purification device, including movable supporting frame and the wastewater filtering device being located on movable supporting frame, described wastewater filtering device includes the wastewater collection unit of fluid communication, jet air float machine, three phase separation unit, mixed tune processing unit, biochemical treatment unit and middle water collector unit, being connected to suction pump between described wastewater collection unit and jet pump, what described three phase separation unit was provided with that direct and middle water collector unit connects surmounts pipeline.
Above technical scheme is adopted to provide the benefit that: waste water is after wastewater collection unit completes collection, three phase separation unit is entered after entering jet air float machine jet air float under the effect of suction pump, the silt in waste water and greasy dirt etc. can be removed comparatively up hill and dale, water after three phase separation unit separates enters the mixed mixed tune adjusted processing unit and complete waste water and inorganic agent at mixed tune processing unit, according to the difference of practical situation, the kind of inorganic agent can be selected, mix and mediate the entrance biochemical treatment unit of the waste water after having managed, bubble in waste water is sheared, waste water after having processed is collected into middle water collector unit in order to follow-up use.
Preferably, described three phase separation unit includes shell and three phase separator, and described side wall of outer shell is provided with water inlet and outlet, described three phase separator includes hopper dredger, the gentle storehouse of sump, sump is located at bottom three phase separator, and hopper dredger is located at sump top, and three phase separator top is located in gas storehouse.
Above technical scheme is adopted to provide the benefit that: the setting of shell serves supporting role for three phase separator, increase the job stability of three phase separator, water inlet and outlet that side wall of outer shell is arranged are available for connecting water pipe and carry out penetrating and passing, facilitate the assembly and disassembly of device, simultaneously facilitate the user structure to device to grasp, utilize three phase separator to the water in sewage, mud, gas is easily separated, the silt wherein separated is stored in hopper dredger, the gas separated is stored in gas storehouse, the moisture separated is delivered to next unit through sump and is processed, rational in infrastructure, save and use space.
Further, described jet air float machine is fixed on enclosure, and described jet air float machine includes jet pump and the ejector of fluid communication, and described ejector is located at above jet pump, and described jet pump includes nozzle, suction chamber, mixing tube and anemostat; Described ejector includes nozzle, suction chamber and diffuser pipe.
Above technical scheme is adopted to provide the benefit that: jet air float machine is fixed on enclosure, add the job stability of jet air float machine, avoid generation vibration influence safety in utilization in its work process, after sewage enters jet pump under the effect of suction pump, jet pump produces negative pressure, making sewage produce microbubble after ejector air-breathing, microbubble carries the oil droplet in sewage, float floats up to the water surface.
Preferably, the top of described mixed tune processing unit is provided with inorganic agent adder, and mixed tune is provided with mechanical agitator inside processing unit.
Above technical scheme is adopted to provide the benefit that: the addition dosage of inorganic agent can be controlled by inorganic agent adder, it is adjusted according to different service conditions, the setting of mechanical agitator is easy to waste water and is carried out mixed tune with inorganic agent, and mixed tune efficiency is high, save manpower.
Further, described inorganic agent adder includes inorganic agent memorizer and for controlling the transfer roller of additive capacity, is embedded with and organizes scraper plate more on transfer roller.
Preferably, being equiped with anti-corrosion type elastic filler and aeration coil pipe in described biochemical treatment unit, described aeration coil pipe is located at below anti-corrosion type elastic filler, and described biochemical treatment unit is externally provided with the aerator being connected with aeration coil pipe.
Above technical scheme is adopted to provide the benefit that: anti-corrosion type elastic filler is semi soft packing, the place of attached growth of microorganisms can be provided, shearing bubble can be played simultaneously, promote the effect of mixing, also the demand of acid-base class heavy metal containing wastewater treatment it is suitable for, aeration coil pipe is connected with aerator, provides oxygen for biochemical processing unit.
Preferably, described cover top portion is provided with quartz burner.
Adopt above technical scheme to provide the benefit that: the antibacterial in water can be killed, increase processed after the safety in utilization of sewage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the flow chart of the present invention;
Fig. 3 is the structural representation of inorganic agent adder.
Wherein, 1-wastewater collection unit, 2-suction pump, 3-jet pump, 4-ejector, 5-shell, 6-gas storehouse, 7-hopper dredger, 8-sump, 9-surmounts pipeline, 10-aerator, 11-biochemical treatment unit, 12-anti-corrosion type elastic filler, water collector unit in 13-, 14-mechanical agitator, 15-inorganic agent adder, 16-is mixed adjusts processing unit, 17-movable supporting frame, 18-inorganic agent memorizer, 19-transfer roller, 20-scraper plate, 21-aeration coil pipe.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 illustrates the specific embodiment of the present invention: a kind of wastewater purification device, including movable supporting frame 17 and the wastewater filtering device being located on movable supporting frame 17, described wastewater purification device includes wastewater collection unit 1, jet air float machine, three phase separation unit, mixed tune processing unit 16, biochemical treatment unit 11 and middle water collector unit 13, described wastewater collection unit 1 and jet air float machine, jet air float machine and three phase separation unit, three phase separation unit adjusts processing unit 16 with mixed, mixed tune processing unit 16 and biochemical treatment unit 11, it is in fluid communication between biochemical treatment unit 11 and middle water collector unit 13, suction pump 2 it is connected between wastewater collection unit 1 and jet pump 3, waste water is after wastewater collection unit 1 completes collection, three phase separation unit is entered after entering jet air float machine jet air float under the effect of suction pump 2, the silt in waste water and greasy dirt etc. can be removed comparatively up hill and dale, water after three phase separation unit separates enters the mixed mixed tune adjusted processing unit 16 and complete waste water and inorganic agent in mixed tune processing unit 16, described inorganic agent is adjusted for mixed, according to the difference of practical situation, the kind of mixed adjustment can be selected, the mixed kind adjusted has aluminium salt, the inorganic coagulants such as iron salt, flocculant, it is mainly used in sewage sedimentation, flocculation. mix and mediate the entrance biochemical treatment unit 11 of the waste water after having managed, bubble in waste water is sheared, waste water after having processed is collected into middle water collector unit 13 in order to follow-up use, what described three phase separation unit was provided with that direct and middle water collector unit 13 connects surmounts pipeline 9, the standard of processing unit is selected by the water standard after can having processed according to actual water quality situation and requirement, can collect after waste water being processed individually with jet air float machine and three phase separation unit, save subsequent processing steps.
Wherein, described three phase separation unit includes shell 5 and three phase separator, described shell 5 sidewall is provided with water inlet and outlet, the setting of shell 5 serves supporting role for three phase separator, increase the job stability of three phase separator, water inlet and outlet that shell 5 sidewall is arranged are available for connecting water pipe and carry out penetrating and passing, and facilitate the assembly and disassembly of device, simultaneously facilitate the user structure to device and grasp.
Wherein, described three phase separator includes hopper dredger 7, the gentle storehouse 6 of sump 8, sump 8 is located at bottom three phase separator, and hopper dredger 7 is located at sump 8 top, and three phase separator top is located in gas storehouse 6, utilize three phase separator that the water in sewage, mud, gas are easily separated, the silt wherein separated is stored in hopper dredger 7, and the gas separated is stored in gas storehouse 6, and the moisture separated is delivered to next unit through sump 8 and processed, rational in infrastructure, save and use space.
Three phase separator is used for the upflow anaerobic sludge blanket reactor (UASB) during biological sewage processes, and in order to separating digesting gas, Digestive system and mud granule, digestion gas autoreactor top is derived; The automatic landing of mud granule is settled down to the sludge bin of reactor bottom; The position of sump and hopper dredger, from settling section water outlet, is adjusted in this programme by Digestive system, and mud is intercepted in hopper dredger by mud blocking grid, and sewage then enters sump under gravity.
Wherein, it is internal that described jet air float machine is fixed on shell 5, described jet air float machine is made up of jet pump 3 and ejector 4, ejector 4 is located at above jet pump 3, it is internal that jet air float machine is fixed on shell 5, add the job stability of jet air float machine, avoid generation vibration influence safety in utilization in its work process, jet pump 3 is also referred to as water sprayer, and basic structure is by nozzle, suction chamber, the part such as mixing tube and anemostat is formed, its simple structure, reliable operation, often apply in water supply and sewage work. The mechanism of jet pump work is that the turbulent diffusion utilizing turbulent jet flow is to reach mass transfer, to pass the purpose of energy. Namely the working fluid that speed is higher penetrates from nozzle, is inhaled fluid and mutually blend in trunnion, between fluid particle or micelle, momentum, heat and mass exchange occurs each other, so that the quality of the two and momentum reach unanimity; Ejector 4 is made up of nozzle, suction chamber, diffuser pipe three part, it it is a kind of multipurpose aeration mode utilizing jet flow negative pressure principle to grow up, unique mixed air vessel's design, powerful current and air mixed injecting, making to stir, completely, the bubble of generation is many and fine and smooth, and dissolved oxygen efficiency is high, the conversion ratio of traditional aerator oxygen is generally below 10%, adopts the conversion ratio of aerator oxygen of pattern up to more than 25%. The material of ejector 4 is fluoroplastics PVDF, ozone-resistant, acid and alkali corrosion, and the compatible scope of water quality, variations in temperature is wide, adapts to the service requirement of different operating mode. User increases adjustable valve at air entry, and adjustable sucks tolerance, and sewage can be carried out high efficient aeration by it, has both improve dissolved oxygen required in sewage disposal, eliminates again the BOD of part, when there being sludge reflux, reduces the load of rear class treatment facility; For, time in biological contact oxidation pond, instead of traditional biochemical aeration method, it is not necessary to complicated aerator pipe-line system and the first-class aerator of aeration; It is applied in aquaculture, the transformation efficiency of unit power oxygen can be effectively improved. After sewage enters jet pump 3 under the effect of suction pump 2, jet pump 3 produces negative pressure, makes sewage produce microbubble after ejector 4 air-breathing, and microbubble carries the oil droplet in sewage, float floats up to the water surface.
The top of described mixed tune processing unit 16 is provided with inorganic agent adder 15, mixed tune processing unit 16 is internal is provided with mechanical agitator 14, the addition dosage of inorganic agent can be controlled by inorganic agent adder 15, it is adjusted according to different service conditions, the setting of mechanical agitator 14 is easy to waste water and is carried out mixed tune with inorganic agent, and mixed tune efficiency is high, save manpower.
As shown in Figure 3, described inorganic agent adder 15 includes inorganic agent memorizer 18 and can control the transfer roller 19 of additive capacity, and transfer roller 19 is embedded with many group scraper plates 20, in use, brush scraper plate 20 forms motion angle with skew wall in housing, thus realizing the control of inorganic agent addition.
In the present embodiment, anti-corrosion type elastic filler 12 and aeration coil pipe 21 it is equiped with in described biochemical treatment unit 11, described aeration coil pipe 21 is located at below anti-corrosion type elastic filler 12, described biochemical treatment unit 11 is externally provided with the aerator 10 being connected with aeration coil pipe 21, anti-corrosion type elastic filler 12 is semi soft packing, the place of attached growth of microorganisms can be provided, shearing bubble can be played simultaneously, promote the effect of mixing, also the demand of acid-base class heavy metal containing wastewater treatment it is suitable for, aeration coil pipe 21 is connected with aerator 10, oxygen is provided for biochemical processing unit 11, described shell 5 top is provided with quartz burner, the antibacterial in water can be killed, increase processed after the safety in utilization of sewage.
Biochemical treatment unit 11 utilizes the microorganism of growth in anti-corrosive properties elastic filler to carry out biochemical treatment, aeration coil pipe 21 is conventional tubular structure, the oxygen being mainly used in providing aerator 10 introduces, and semi soft packing is also called " snowflake sheet " filler, and material is PP, PE. By injection machine single injection-molded. This filler is more suited to cooling tower. Material used by semi soft packing has soft cellulose filler that polypropylene, polyethylene make with hydroformylation fibre synthetic fibre for stock, and simulation natural waterweeds form processes.
As shown in Figure 2, the workflow of the present invention is: waste water is after wastewater collection unit 1 completes collection, enter under the effect of suction pump 2 after jet air float machine carries out jet air float and enter three phase separation unit, utilize silt and greasy dirt etc. that three phase separation unit can be removed in waste water comparatively up hill and dale, water after three phase separation unit separates enters the mixed mixed tune adjusted processing unit 16 and complete waste water and inorganic agent in mixed tune processing unit 16, silt mud blocking grid bottom hopper dredger filters, waste water is after jet pump 3, greasy dirt therein forms bubble under the effect of jet pump 3 and is suspended in sewage surface, according to the difference of practical situation, the kind of inorganic agent can be selected, mix and mediate the entrance biochemical treatment unit 11 of the waste water after having managed, bubble in waste water is sheared, waste water after having processed is collected into middle water collector unit 13 in order to follow-up use, simultaneously, waste water also can direct via surmounting water collector unit 13 during pipeline 9 enters after three phase separation cell processing, wherein sewage disposal, the mixed adjustment of sludge condensation and sludge dewatering adopts and processing method is as follows:
Sewage disposal: in the sewage disposal system using the inorganic coagulant such as aluminium salt, iron salt, flocculant, exceed the disposal ability of depositing reservoir if desired for the water yield processed or floated outward owing to other factors cause flco in water to have little time sedimentation, the PAM that only need to add 0.1-2ppm helps solidifying, can significantly improve effect of settling. And, after process, the COD of water and chromaticity index also can improve significantly.
Sludge condensation: use the aluminium salt of 0.3-2ppm or iron salt coagulant can reduce the ratio of mud and water in biochemistry pool and sludge concentration tank, improve the utilization rate of biochemistry pool and sludge concentration tank. Sludge concentration can be brought up to 30--100g/L by 3---10g/L, substantially reduce the mud body weight of next step sludge dehydration process, improve device for dehydrating sladge waste and personnel's effective percentage.
Sludge dewatering: model and dosage and mud cake dry be considered as the difference of mud kind and different after dehydration, therefore various different model products need to be carried out test and Selection.
Above-described is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (5)
1. a wastewater purification device, including movable supporting frame (17) and the wastewater filtering device be located on movable supporting frame (17), it is characterized in that: described wastewater filtering device includes the wastewater collection unit (1) of fluid communication, jet air float machine, three phase separation unit, mixed tune processing unit (16), biochemical treatment unit (11) and middle water collector unit (13), it is connected to suction pump (2) between described wastewater collection unit (1) and jet pump (3), what described three phase separation unit was provided with that direct and middle water collector unit (13) connects surmounts pipeline (9), described three phase separation unit includes shell (5) and three phase separator, described three phase separator includes hopper dredger (7), sump (8) gentle storehouse (6), sump (8) is located at bottom three phase separator, hopper dredger (7) is located at sump (8) top, three phase separator top is located in gas storehouse (6), it is internal that described jet air float machine is fixed on shell (5), described jet air float machine includes jet pump (3) and the ejector (4) of fluid communication, described ejector (4) is located at jet pump (3) top, described jet pump (3) includes nozzle, suction chamber, mixing tube and anemostat,Described ejector (4) includes nozzle, suction chamber and diffuser pipe.
2. a kind of wastewater purification device according to claim 1, it is characterized in that: the top of described mixed tune processing unit (16) is provided with inorganic agent adder (15), mixed tune processing unit (16) is internal is provided with mechanical agitator (14).
3. a kind of wastewater purification device according to claim 2, it is characterized in that: described inorganic agent adder (15) includes inorganic agent memorizer (18) and for controlling the transfer roller (19) of additive capacity, is embedded with and organizes scraper plate (20) more on transfer roller (19).
4. a kind of wastewater purification device according to claim 1, it is characterized in that: in described biochemical treatment unit (11), be equiped with anti-corrosion type elastic filler (12) and aeration coil pipe (21), described aeration coil pipe (21) is located at anti-corrosion type elastic filler (12) lower section, and described biochemical treatment unit (11) is externally provided with the aerator (10) being connected with aeration coil pipe (21).
5. a kind of wastewater purification device according to any one of claim 1 to 4, it is characterised in that: it is provided with quartz burner at described shell (5) top.
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| CN201610204746.3A CN105668945A (en) | 2016-04-01 | 2016-04-01 | Wastewater purification treatment device |
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| CN201610204746.3A CN105668945A (en) | 2016-04-01 | 2016-04-01 | Wastewater purification treatment device |
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Citations (4)
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|---|---|---|---|---|
| CN202705168U (en) * | 2012-07-27 | 2013-01-30 | 黄光裕 | Wastewater treatment device |
| CN202936216U (en) * | 2012-12-04 | 2013-05-15 | 泽海（厦门）科技有限公司 | Water treatment dosing device |
| CN203855489U (en) * | 2014-04-29 | 2014-10-01 | 湖南现代环境科技有限公司 | Movable wastewater treatment device |
| CN204588895U (en) * | 2015-02-12 | 2015-08-26 | 陕西久扬环保科技有限公司 | A kind of continuous integrated car washing water circulation equipment |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705168U (en) * | 2012-07-27 | 2013-01-30 | 黄光裕 | Wastewater treatment device |
| CN202936216U (en) * | 2012-12-04 | 2013-05-15 | 泽海（厦门）科技有限公司 | Water treatment dosing device |
| CN203855489U (en) * | 2014-04-29 | 2014-10-01 | 湖南现代环境科技有限公司 | Movable wastewater treatment device |
| CN204588895U (en) * | 2015-02-12 | 2015-08-26 | 陕西久扬环保科技有限公司 | A kind of continuous integrated car washing water circulation equipment |
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