CN103073122A - Vehicular emergency drinking water purifying station - Google Patents
Vehicular emergency drinking water purifying station Download PDFInfo
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- CN103073122A CN103073122A CN2012105653768A CN201210565376A CN103073122A CN 103073122 A CN103073122 A CN 103073122A CN 2012105653768 A CN2012105653768 A CN 2012105653768A CN 201210565376 A CN201210565376 A CN 201210565376A CN 103073122 A CN103073122 A CN 103073122A
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- 239000003651 drinking water Substances 0.000 title claims abstract description 54
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 239000012528 membrane Substances 0.000 claims abstract description 102
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 38
- 238000000108 ultra-filtration Methods 0.000 claims description 81
- 238000004062 sedimentation Methods 0.000 claims description 57
- 238000001223 reverse osmosis Methods 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 41
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 27
- 238000000746 purification Methods 0.000 claims description 24
- 238000001556 precipitation Methods 0.000 claims description 23
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 19
- 238000005345 coagulation Methods 0.000 claims description 19
- 230000015271 coagulation Effects 0.000 claims description 19
- 238000005189 flocculation Methods 0.000 claims description 19
- 230000016615 flocculation Effects 0.000 claims description 19
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 19
- 230000001954 sterilising effect Effects 0.000 claims description 18
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 16
- 239000004155 Chlorine dioxide Substances 0.000 claims description 14
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 13
- 230000010354 integration Effects 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 8
- 238000011001 backwashing Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000002455 scale inhibitor Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 230000035622 drinking Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000008213 purified water Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003894 drinking water pollution Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The invention relates to the field of waste water treatment, in particular to a vehicular emergency drinking water purifying station. The purifying station is composed of a pre-treating unit, an integrated membrane treating unit, a sterilization and disinfection unit and a water source outward transporting unit; and the four units are orderly connected by pipelines and mounted in a vehicular box body. The vehicular emergency drinking water purifying station is low in requirements on raw water quality and simple in treatment process.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a vehicle-mounted emergency drinking water purification station.
Background
At present, China is in the high-incidence period of sudden accidents of drinking water quality, the sudden accidents of the drinking water quality frequently occur in big, medium and small cities in China within the recent years, and the emergency drinking water vehicle-mounted device can timely, safely and stably provide qualified and sanitary drinking water for disaster-stricken people when large-scale safety accidents of the drinking water occur. Except large-scale drinking water safety accidents, when accidents such as drinking water pollution and water supply network damage occur in places with dense crowd, such as enterprises, public institutions and schools, the emergency drinking water device can also timely and effectively solve the problems of drinking water sanitation and safety in a short time. In addition, military and other personnel needing to work in the field for a long time also need a set of emergency drinking water vehicle-mounted device to ensure the sanitation and safety of drinking water.
Most of the processes adopted in the existing emergency drinking water system are all pretreatment combined with a membrane treatment technology as drinking water treatment processes. The membrane technology is a stable and mature technology for treating drinking water. However, as is well known, an ultrafiltration membrane or a reverse osmosis membrane used in the membrane treatment technology is a highly aerated water treatment apparatus, and the requirement for inlet water is severe. In order to ensure the normal and stable operation of the equipment, the effluent treated by the pretreatment unit must meet the inlet water quality requirement of a membrane system. Traditional emergent drinking water treatment system preliminary treatment adopts mechanical filter equipment to carry out multistage series operation like quartz sand filter, multi-media filter, active carbon filter etc. mostly, guarantees the play water quality of preliminary treatment, and such technology selection, firstly, the process flow is long, and secondly, the filter washing water yield is big, and the blowdown volume is big. More importantly, the pretreatment process has poor adaptability to the quality of raw water, and when the quality of the raw water is poor, the pretreatment effect is difficult to ensure.
Disclosure of Invention
The invention aims to disclose an integrated vehicle-mounted emergency drinking water purification station which has low requirement on the quality of raw water and simple treatment process flow, can simultaneously produce drinking water meeting two different water qualities which meet the quality standards of life drinking water (GB 5749-2006) and the quality standards of drinking purified water (CJ 94-2005), and can be reasonably configured and adjusted according to the situation of field emergency requirements.
The invention aims to be realized by the following technical scheme.
A vehicle-mounted emergency drinking water purification station consists of a pretreatment unit, an integrated membrane treatment unit, a disinfection and sterilization unit and a water source external conveying unit, wherein the four units are sequentially connected by adopting pipelines and are arranged in a vehicle-mounted compartment body; the pretreatment unit comprises a folded plate reaction inclined plate precipitation device, a coagulation adding device, a flocculation adding device and a sodium hypochlorite adding device, and a water inlet pipeline is sequentially connected with the coagulation adding device, the flocculation adding device, the sodium hypochlorite adding device and the folded plate reaction inclined plate precipitation device; the integrated membrane treatment unit comprises a disc type filter and an ultrafiltration membrane device, the disc type filter and the ultrafiltration membrane device are arranged in a frame to form integration, and the disc type filter and the ultrafiltration membrane device are connected through a pipeline; the disinfection and sterilization unit comprises a chlorine dioxide generator and an ultrafiltration membrane water tank, the ultrafiltration membrane water tank is connected with the water outlet of the ultrafiltration membrane device, and the chlorine dioxide generator is connected with the ultrafiltration membrane water tank through a pipeline; the water source external conveying unit is a variable frequency water supply pump which is respectively connected with the water outlet of the ultrafiltration water tank.
Furthermore, the integrated membrane treatment unit also comprises a reverse osmosis device, wherein the disc type filter, the ultrafiltration membrane device and the reverse osmosis device are arranged in a frame to form integration, and the reverse osmosis device is connected with the ultrafiltration membrane water tank through a pipeline.
Furthermore, the disinfection and sterilization unit also comprises an ozone generator and a reverse osmosis water tank, wherein the ozone generator is connected with the water outlet of the reverse osmosis water tank, and the ozone generator is connected with the reverse osmosis water tank through a pipeline.
Further, folded plate reaction inclined plate precipitation device constitute by folded plate reaction tank, inclined plate sedimentation tank, folded plate reaction tank is located inclined plate sedimentation tank anterior segment, the inclined plate sedimentation tank is equipped with sludge settling hopper, sedimentation tank water distribution district, inclined plate sedimentation district, sedimentation tank clear water district from supreme down in proper order, inclined plate sedimentation tank one side still is connected with the clear water case.
Furthermore, a water outlet of the reverse osmosis water tank is connected with a variable frequency water supply pump.
Furthermore, a precision filter is connected behind the variable-frequency water supply pump, and a precision filter element with the diameter of 0.22 mu m is distributed in the precision filter.
Further, a reducing agent feeding device and a scale inhibitor feeding device are arranged between the ultrafiltration membrane water tank and the reverse osmosis device through pipelines.
Furthermore, an ultrafiltration backwashing water pump is also arranged between the ultrafiltration membrane device and the ultrafiltration membrane water tank through a pipeline. And the ultrafiltration backwashing water pump automatically performs backwashing when the ultrafiltration membrane device runs.
Further, a pipeline mixer is arranged between the coagulation adding device, the flocculation adding device, the sodium hypochlorite adding device and the folded plate reaction inclined plate sedimentation device.
The effluent of the pretreatment unit enters an ultrafiltration membrane water tank after being treated by the integrated membrane treatment unit, and the effluent meets the Water quality Standard for Drinking Water (GB 5749-2006) after being sterilized by adding chlorine dioxide. And after the outlet water of the ultrafiltration membrane water tank is conveyed to a reverse osmosis device by a pump for treatment, the outlet water enters the reverse osmosis water tank, and after ozone sterilization, the outlet water meets the drinking purified water quality standard (CJ 94-2005).
The technical scheme disclosed by the invention can be obtained that the pretreatment adopts a folded plate reaction inclined tube precipitation process, the coagulation reaction time is sufficient, the precipitation effect is good, and the method is suitable for various surface water, river and lake water and high-turbidity and high-suspended matter water with poorer water quality; meanwhile, the effluent quality of the pretreatment can be ensured, and the stable operation of the integrated membrane treatment unit is ensured.
All equipment of this on-vehicle emergent drinking water purification station are all integrated to be installed in a standard container, make things convenient for the vehicle transportation, form the on-vehicle purification station of portable emergent drinking water.
The raw water in the invention enters a folded plate reaction inclined plate sedimentation device after mixed reaction with the raw water through a coagulation adding device, a flocculation adding device, a sodium hypochlorite adding device, a mixing and flocculation agent and sodium hypochlorite before entering the folded plate reaction inclined plate sedimentation device. Pollutants form floccules in the folded plate reaction tank, and water with the floccules flows into a water distribution area of the sedimentation tank automatically through the folded plate reaction tank; and then the sewage enters an inclined plate sedimentation area, the inclined plate sedimentation area is formed by honeycomb pipelines with specific 60-degree oblique angles, after the suspended matters collide in the inclined plate sedimentation area, clear water and the suspended matters form up-and-down reverse motion, the suspended matters move downwards and settle into a sludge sedimentation bucket, and the clear water flows upwards and flows out through a clear water area of a sedimentation tank.
A reducing agent feeding device and a scale inhibitor feeding device are arranged between an ultrafiltration membrane water tank and a reverse osmosis device through pipelines, and reducing agents and scale inhibitors are respectively fed. Because chlorine dioxide oxidant is added into the ultrafiltration membrane water tank, reducing agent is added to prevent the reverse osmosis membrane from being oxidized. When the salt content of the raw water is high and the salt concentration of the concentrated water exceeds the solubility of the concentrated water in the separation process of the reverse osmosis device, precipitation and scaling can be formed on the reverse osmosis membrane, and common precipitation pollutants are carbonates, sulfates, hydroxides and the like of metals such as calcium, magnesium, iron and the like. The scale inhibitor is added before the reverse osmosis device feeds water, so that the scale of the reverse osmosis membrane caused by the precipitation of carbonate, sulfate and oxide can be effectively inhibited, the chemical cleaning frequency of the reverse osmosis device is reduced, and the design service life of the reverse osmosis membrane is ensured.
Drawings
Fig. 1 is a schematic structural view of a vehicle-mounted emergency drinking water purification station according to the present invention;
fig. 2 is a schematic structural view of the vehicle-mounted emergency drinking water purification station according to the present invention;
fig. 3 is a schematic structural view of the vehicle-mounted emergency drinking water purification station of the present invention.
Wherein, 1-folded plate reaction inclined plate sedimentation device; 2-a coagulation adding device; 3-a flocculation adding device; 4-sodium hypochlorite adding device; 5-disc filter; 6-ultrafiltration membrane device; a 7-chlorine dioxide generator; 8-ultrafiltration membrane water tank; 9-variable frequency water supply pump; 10-a reverse osmosis unit; 11-an ozone generator; 12-a reverse osmosis water tank; 13-a reducing agent feeding device; 14-scale inhibitor feeding device; 15-ultrafiltration backwash water pump; 16-a line mixer; 17-a precision filter; 18-folded plate reaction tank; 19-inclined plate sedimentation tank; 20-a sludge settling hopper, 21-a settling tank water distribution area, 22-an inclined plate settling area and 23-a settling tank clear water area; 24-clear water tank.
Detailed Description
For a further understanding of the invention, reference will now be made to the following description taken in conjunction with the accompanying drawings.
As shown in fig. 1, a vehicle-mounted emergency drinking water purification station comprises a pretreatment unit, an integrated membrane treatment unit, a disinfection and sterilization unit and a water source external delivery unit, wherein the above four units are connected in sequence by pipelines and are installed in a vehicle-mounted compartment body; the pretreatment unit comprises a folded plate reaction inclined plate precipitation device 1, a coagulation adding device 2, a flocculation adding device 3 and a sodium hypochlorite adding device 4, wherein a water inlet pipeline is sequentially connected with the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate precipitation device 1; the integrated membrane treatment unit comprises a disc type filter 5 and an ultrafiltration membrane device 6, the disc type filter 5 and the ultrafiltration membrane device 6 are arranged in a frame to form integration, and the disc type filter (5) is connected with the ultrafiltration membrane device through a pipeline; the disinfection and sterilization unit comprises a chlorine dioxide generator 7 and an ultrafiltration membrane water tank 8, the ultrafiltration membrane water tank 8 is connected with the water outlet of the ultrafiltration membrane device 6, and the chlorine dioxide generator 7 is connected with the ultrafiltration membrane water tank 8 through a pipeline; the water source external conveying unit is a variable frequency water supply pump 9 which is connected with the water outlet of the ultrafiltration water tank 8. And an ultrafiltration membrane backwashing water pump 15 is also arranged between the ultrafiltration membrane water tank 8 and the ultrafiltration membrane water tank 8 through a pipeline. A pipeline mixer 16 is also arranged between the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate sedimentation device 1. Folded plate reaction inclined plate precipitation device 1 constitute by folded plate reaction tank 18, inclined plate sedimentation tank 19, folded plate reaction tank 18 is located 19 anterior segments of inclined plate sedimentation tank, inclined plate sedimentation tank 19 is equipped with sludge settling hopper 20, sedimentation tank distribution area 21, inclined plate sedimentation area 22, sedimentation tank clear water district 23 from supreme down in proper order, 19 one side of inclined plate sedimentation tank still are connected with clear water box 24.
As shown in fig. 2, the vehicle-mounted emergency drinking water purification station consists of a pretreatment unit, an integrated membrane treatment unit, a disinfection and sterilization unit and a water source external delivery unit, wherein the pretreatment unit, the integrated membrane treatment unit, the disinfection and sterilization unit and the water source external delivery unit are sequentially connected by pipelines and are installed in a vehicle-mounted compartment body; the pretreatment unit comprises a folded plate reaction inclined plate precipitation device 1, a coagulation adding device 2, a flocculation adding device 3 and a sodium hypochlorite adding device 4, wherein a water inlet pipeline is sequentially connected with the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate precipitation device 1; the integrated membrane treatment unit comprises a disc type filter 5 and an ultrafiltration membrane device 6, the disc type filter 5 and the ultrafiltration membrane device 6 are arranged in a frame to form integration, and the disc type filter 5 is connected with the ultrafiltration membrane device through a pipeline; the disinfection and sterilization unit comprises a chlorine dioxide generator 7 and an ultrafiltration membrane water tank 8, the ultrafiltration membrane water tank 8 is connected with the water outlet of the ultrafiltration membrane device 6, and the chlorine dioxide generator 7 is connected with the ultrafiltration membrane water tank 8 through a pipeline; the water source external conveying unit is a variable frequency water supply pump 9 which is connected with the water outlet of the ultrafiltration water tank 8. And an ultrafiltration membrane backwashing water pump 15 is also arranged between the ultrafiltration membrane device 6 and the ultrafiltration membrane water tank 8 through a pipeline. A pipeline mixer 16 is also arranged between the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate sedimentation device 1. Folded plate reaction inclined plate precipitation device 1 constitute by folded plate reaction tank 18, inclined plate sedimentation tank 19, folded plate reaction tank 18 is located 19 anterior segments of inclined plate sedimentation tank, inclined plate sedimentation tank 19 is equipped with sludge settling hopper 20, sedimentation tank distribution area 21, inclined plate sedimentation area 22, sedimentation tank clear water district 23 from supreme down in proper order, inclined plate sedimentation tank one side still is connected with clear water box 24. The integrated membrane treatment unit further comprises a reverse osmosis device 10, the disc type filter 5, the ultrafiltration membrane device 6 and the reverse osmosis device 10 are installed in a frame to form integration, and the reverse osmosis device 10 is connected to the ultrafiltration membrane water tank 8 through a pipeline. The disinfection and sterilization unit further comprises an ozone generator 11 and a reverse osmosis water tank 12, wherein the ozone generator 11 is connected with a water outlet of the reverse osmosis water tank 12, and the ozone generator 11 is connected with the reverse osmosis water tank 12 through a pipeline.
As shown in fig. 3, the vehicle-mounted emergency drinking water purification station consists of a pretreatment unit, an integrated membrane treatment unit, a disinfection and sterilization unit and a water source external delivery unit, wherein the above four units are connected in sequence by pipelines and are installed in a vehicle-mounted compartment body; the pretreatment unit comprises a folded plate reaction inclined plate precipitation device 1, a coagulation adding device 2, a flocculation adding device 3 and a sodium hypochlorite adding device 4, wherein a water inlet pipeline is sequentially connected with the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate precipitation device 1; the integrated membrane treatment unit comprises a disc type filter 5 and an ultrafiltration membrane device 6, the disc type filter 5 and the ultrafiltration membrane device 6 are arranged in a frame to form integration, and the disc type filter 5 and the ultrafiltration membrane device 6 are connected through a pipeline; the disinfection and sterilization unit comprises a chlorine dioxide generator 7 and an ultrafiltration membrane water tank 8, the ultrafiltration membrane water tank 8 is connected with the water outlet of the ultrafiltration membrane device 6, and the chlorine dioxide generator 7 is connected with the ultrafiltration membrane water tank 8 through a pipeline; the water source external conveying unit is a variable frequency water supply pump 9 which is connected with the water outlet of the ultrafiltration water tank 8. The water outlet of the reverse osmosis water tank 12 is connected with a variable frequency water supply pump 9. And an ultrafiltration membrane backwashing water pump 15 is also arranged between the ultrafiltration membrane device 6 and the ultrafiltration membrane water tank 8 through a pipeline. A pipeline mixer 16 is also arranged between the coagulation adding device 2, the flocculation adding device 3, the sodium hypochlorite adding device 4 and the folded plate reaction inclined plate sedimentation device 1. Folded plate reaction inclined plate precipitation device 1 constitute by folded plate reaction tank 18, inclined plate sedimentation tank 19, folded plate reaction tank 18 is located 19 anterior segments of inclined plate sedimentation tank, inclined plate sedimentation tank 19 is equipped with sludge settling hopper 20, sedimentation tank distribution area 21, inclined plate sedimentation area 22, sedimentation tank clear water district 23 from supreme down in proper order, inclined plate sedimentation tank one side still is connected with clear water box 24. The integrated membrane treatment unit further comprises a reverse osmosis device 10, the disc type filter 5, the ultrafiltration membrane device 6 and the reverse osmosis device 10 are installed in a frame to form integration, and the reverse osmosis device 10 is connected to the ultrafiltration membrane water tank 8 through a pipeline. The disinfection and sterilization unit further comprises an ozone generator 11 and a reverse osmosis water tank 12, wherein the ozone generator 11 is connected with a water outlet of the reverse osmosis water tank 12, and the ozone generator 11 is connected with the reverse osmosis water tank 12 through a pipeline. A precision filter 17 can be connected behind the variable-frequency water supply pump 9, and a precision filter element with the diameter of 0.22 mu m is distributed in the precision filter. A reducing agent feeding device 13 and a scale inhibitor feeding device 14 are arranged between the ultrafiltration membrane water tank 8 and the reverse osmosis device 10 through pipelines.
The process of treating the wastewater in the vehicle-mounted emergency drinking water purification station comprises the steps that the wastewater enters a pretreatment unit through a main water inlet pipeline, passes through a coagulation adding device, a flocculation adding device and a sodium hypochlorite adding device, is mixed in a pipeline mixer, and then enters a folded plate reaction inclined plate precipitation device; waste water flows into the sedimentation water distribution area of the inclined plate sedimentation tank automatically through the folded plate reaction tank, and in the inclined plate sedimentation tank, because the inclined plate sedimentation area is formed by honeycomb pipelines with specific 60-degree oblique angles, after the suspended matters collide in the inclined plate sedimentation area, clear water and the suspended matters form up-and-down reverse motion, the suspended matters move downwards and settle into the sludge sedimentation bucket, and the clear water flows upwards and flows out through the clear water area of the sedimentation tank to enter the clear water tank. The pretreatment unit effectively removes indexes such as suspended matters, COD, ammonia nitrogen, total phosphorus and the like in water, and the water quality meets the water inlet requirement of the integrated membrane treatment unit. After being lifted, water in the clear water tank is treated by the disc type filter and enters the ultrafiltration membrane device, and finally the water quality meets the drinking water quality standard (GB 5749-2006) through the disinfection and sterilization unit. The water pool meeting the water quality standard of drinking water (GB 5749-2006) is pumped to a reverse osmosis device, the water produced by the reverse osmosis device is sent to a disinfection and sterilization unit, and ozone is added for disinfection, so that the water quality meets the water quality standard of drinking purified water CJ94-2005, and the water can be used as drinking water.
Examples
The project is located on a construction site of a large municipal project, and drinking water of villagers nearby the project is used by digging a well and using underground water. Because construction needs a lot of pump drainage groundwater of construction side, the groundwater level drops sharply appearing, leads to near villager's own well to beat the water, and the drinking water of life can't be ensured. The vehicle-mounted emergency drinking water purification station is arranged beside a nearby river to treat the river, and the water quality of the outlet water reaches the quality standards of life drinking water (GB 5749-2006) and drinking purified water (CJ 94-2005). For local villagers to live drinking water.
Firstly, design water quantity
The water inlet amount: 120T/D
And (3) water outlet amount of the ultrafiltration membrane: 100T/D
Reverse osmosis yielding water quantity: 24T/D
Water quality index of river water
| Weaving machineNumber (C) | Item | Unit of | |
| 1 | pH value | 7.2-7.5 | |
| 2 | COD | mg/L | 20-40 |
| 3 | Suspended matter | mg/L | 150-300 |
| 4 | Total phosphorus | mg/l | 1-2 |
| 5 | Ammonia nitrogen | mg/l | 0.3-0.6 |
| 6 | Electrical conductivity of | μs/cm | 1500 |
| 7 | Hardness of | mg/l | 700 |
Third, effluent quality index
The water outlet of the ultrafiltration membrane meets the following requirements: water quality Standard for Drinking Water (GB 5749-2006)
The reverse osmosis effluent meets the following requirements: water quality Standard for Drinking Water (CJ 94-2005)
Fourthly, the operation process of the invention is as follows: pumping the river water to a pretreatment unit, adding a PAC coagulant, a PAM coagulant aid and a NaClO bactericide into a main water inlet pipeline, passing through a pipeline mixer, entering a folded plate reaction inclined plate precipitation device for precipitation, and then automatically flowing into a clear water tank. After water in the clear water tank is treated by an ultrafiltration membrane in the integrated membrane treatment device, the produced water is disinfected and sterilized by chlorine dioxide, and the water quality reaches the standard for drinking water (GB 5749-2006), so that the clear water tank is used for domestic water of villages. And the water passing through the ultrafiltration membrane device is conveyed to the reverse osmosis device by a pump, the water produced by the reverse osmosis device is conveyed to an ozone generator, and after ozone is added for disinfection, the water quality accords with the drinking purified water quality standard CJ94-2005, and the filter is used as drinking water for villagers.
Claims (9)
1. The utility model provides a vehicle-mounted emergency drinking water purification station which characterized in that: the purification station consists of a pretreatment unit, an integrated membrane treatment unit, a disinfection and sterilization unit and a water source external conveying unit, wherein the four units are connected in sequence by adopting pipelines and are arranged in a vehicle-mounted compartment body; wherein,
the pretreatment unit comprises a folded plate reaction inclined plate precipitation device (1), a coagulation adding device (2), a flocculation adding device (3) and a sodium hypochlorite adding device (4), and a water inlet pipeline is sequentially connected with the coagulation adding device (2), the flocculation adding device (3), the sodium hypochlorite adding device (4) and the folded plate reaction inclined plate precipitation device (1);
the integrated membrane treatment unit comprises a disc type filter (5) and an ultrafiltration membrane device (6), the disc type filter (5) and the ultrafiltration membrane device (6) are arranged in a frame to form integration, and the disc type filter (5) is connected with the ultrafiltration membrane device through a pipeline;
the disinfection and sterilization unit comprises a chlorine dioxide generator (7) and an ultrafiltration membrane water tank (8), the ultrafiltration membrane water tank (8) is connected with the water outlet of the ultrafiltration membrane device (6), and the chlorine dioxide generator (7) is connected with the ultrafiltration membrane water tank (8) through a pipeline;
the water source external transmission unit is a variable frequency water supply pump (9) which is connected with the water outlet of the ultrafiltration water tank (8).
2. A vehicle-mounted emergency drinking water purification station according to claim 1, wherein: the integrated membrane treatment unit further comprises a reverse osmosis device (10), wherein the disc type filter (5), the ultrafiltration membrane device (6) and the reverse osmosis device (10) are installed in a frame to form integration, and the reverse osmosis device (10) is connected to the ultrafiltration membrane water tank (8) through a pipeline.
3. A vehicle-mounted emergency drinking water purification station according to claim 2, wherein: the disinfection and sterilization unit also comprises an ozone generator (11) and a reverse osmosis water tank (12), wherein the ozone generator (11) is connected with the water outlet of the reverse osmosis water tank (12) through a pipeline.
4. A vehicle mounted emergency drinking water purification station according to any one of claims 1 to 3, wherein: folded plate reaction inclined plate precipitation device (1) constitute by folded plate reaction tank (18), inclined plate sedimentation tank (19), folded plate reaction tank (18) are located inclined plate sedimentation tank (19) anterior segment, inclined plate sedimentation tank (19) are from supreme sludge settling hopper (20), sedimentation tank water distribution district (21), inclined plate sedimentation district (22), sedimentation tank clear water district (23) of being equipped with in proper order down, inclined plate sedimentation tank one side still is connected with clear water box (24).
5. The vehicle-mounted emergency drinking water purification station of claim 4, wherein: the water outlet of the reverse osmosis water tank (12) is connected with a variable frequency water supply pump (9).
6. The vehicle-mounted emergency drinking water purification station of claim 4, wherein: a precision filter (17) is connected behind the variable-frequency water supply pump (9), and a precision filter element with the diameter of 0.22 mu m is distributed in the precision filter.
7. The vehicle-mounted emergency drinking water purification station of claim 6, wherein: a reducing agent feeding device (13) and a scale inhibitor feeding device (14) are arranged between the ultrafiltration membrane water tank (8) and the reverse osmosis device (10) through pipelines.
8. The vehicle-mounted emergency drinking water purification station of claim 7, wherein: and an ultrafiltration membrane backwashing water pump (15) is also arranged between the ultrafiltration membrane device (6) and the ultrafiltration membrane water tank (8) through a pipeline.
9. The vehicle-mounted emergency drinking water purification station of claim 8, wherein: a pipeline mixer (16) is also arranged between the coagulation adding device (2), the flocculation adding device (3), the sodium hypochlorite adding device (4) and the folded plate reaction inclined plate sedimentation device (1).
Priority Applications (1)
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| CN2012105653768A CN103073122A (en) | 2012-12-24 | 2012-12-24 | Vehicular emergency drinking water purifying station |
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| CN2012105653768A CN103073122A (en) | 2012-12-24 | 2012-12-24 | Vehicular emergency drinking water purifying station |
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| CN2012105653768A Pending CN103073122A (en) | 2012-12-24 | 2012-12-24 | Vehicular emergency drinking water purifying station |
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| CN104230039A (en) * | 2013-06-13 | 2014-12-24 | 中国石油化工股份有限公司 | Advanced processing reuse method for city standard-reaching sewage |
| CN105399235A (en) * | 2015-08-26 | 2016-03-16 | 李纳 | Domestic drinking water combination treatment method |
| CN106007104A (en) * | 2016-07-29 | 2016-10-12 | 吉林市润成膜科技有限公司 | Mobile unpowered drinking water device and method for treating drinking water by using device |
| CN106335965A (en) * | 2016-11-25 | 2017-01-18 | 南方创业（天津）科技发展有限公司 | Movable water purification equipment with efficient disinfection effect |
| CN106630289A (en) * | 2016-12-30 | 2017-05-10 | 新津海天水务有限公司 | Novel tap water treatment process and system |
| CN108117191A (en) * | 2017-12-18 | 2018-06-05 | 桑德生态科技有限公司 | A kind of embrane method drinking water treatment systems and method |
| CN111072188A (en) * | 2020-02-28 | 2020-04-28 | 福州福龙膜科技开发有限公司 | Integrated water purification and ultrafiltration membrane equipment and treatment method thereof |
| CN111908656A (en) * | 2020-07-23 | 2020-11-10 | 南方泵业智水（杭州）科技有限公司 | Integrated water purification equipment and water purification process thereof |
| CN114133062A (en) * | 2021-11-23 | 2022-03-04 | 天津市融泰水务有限公司 | Water treatment device for surface water purification and application |
| DE102020006226B4 (en) | 2020-10-10 | 2023-05-25 | LUCRAT GmbH | Mobile device for cleaning and disinfecting indoor air, kits for assembling and using them |
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| CN104230039A (en) * | 2013-06-13 | 2014-12-24 | 中国石油化工股份有限公司 | Advanced processing reuse method for city standard-reaching sewage |
| CN105399235A (en) * | 2015-08-26 | 2016-03-16 | 李纳 | Domestic drinking water combination treatment method |
| CN106007104A (en) * | 2016-07-29 | 2016-10-12 | 吉林市润成膜科技有限公司 | Mobile unpowered drinking water device and method for treating drinking water by using device |
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| CN108117191A (en) * | 2017-12-18 | 2018-06-05 | 桑德生态科技有限公司 | A kind of embrane method drinking water treatment systems and method |
| CN111072188A (en) * | 2020-02-28 | 2020-04-28 | 福州福龙膜科技开发有限公司 | Integrated water purification and ultrafiltration membrane equipment and treatment method thereof |
| CN111908656A (en) * | 2020-07-23 | 2020-11-10 | 南方泵业智水（杭州）科技有限公司 | Integrated water purification equipment and water purification process thereof |
| DE102020006226B4 (en) | 2020-10-10 | 2023-05-25 | LUCRAT GmbH | Mobile device for cleaning and disinfecting indoor air, kits for assembling and using them |
| CN114133062A (en) * | 2021-11-23 | 2022-03-04 | 天津市融泰水务有限公司 | Water treatment device for surface water purification and application |
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Application publication date: 20130501 |