CN209259870U - Water correction plant with automatic drain system - Google Patents

Abstract

The utility model provides a kind of water correction plant with automatic drain system.Water correction plant includes: at least one purification device, for carrying out purified treatment to water；At least one water tank has entrance to receive come in self-purifying device the processed water of purification device respectively；Water out passes through the outlet of piping connection to water tank；And automatic drain system, it is connected to the outlet of the water tank, and include: discharge pipe line, discharge pipe line is connected to the outlet of water tank and including control valve；Bypass, equipped with the overflow control valve in parallel with the control valve；Level sensor extends along tank height to detect the liquid level in water tank；And overflow controller, it is configured to open overflow control valve when the liquid level that level sensor detects is higher than predetermined fluid level.Using water correction plant according to the present utility model, extra water can be automatically drained out without causing water pollution in drainage procedure in the water overfill in water tank.

Description

Water correction plant with automatic drain system

Technical field

The utility model relates to a kind of water correction plant, specifically a kind of water correction plant with automatic drain system.

Background technique

With the development of economy, people's lives level improves, and the requirement to water quality is also higher and higher, to drink water purifying Requirement be on the one hand the pollutants such as suspended matter, microorganism, larger molecular organics, bacterium removed in drinking water, on the other hand It is the hardness for controlling drinking water, the risk for reducing inside of human body calcium deposition, generating calculus.In addition, in optical instrument, mobile phone Film, mobile phone screen use in cleaning need using high purity water.

Currently, the municipal water supplies of most domestic mainly in tap water suspended matter and the microorganisms such as bacterium carry out Processing, however, the problem of there is also secondary pollutions in tap water transportational process, such as high-rise cistern water supply, it is very long from Water feed-line, can all cause potential iron rust, the pollution problems such as scale and microorganism, and not yet to originally in municipal water supply The water hardness is controlled, this just needs people voluntarily to handle tap water, to guarantee the water quality safety of used water.

Commercially available water purifier can more comprehensive purified water, but certain certain types of purified water can only be provided, and cannot Meets under different application environment the needs of for different quality.

In addition, often have the water tank for storing stand-by water in water purification system, the water overfill in water tank in order to prevent, in water tank Overflow valve is usually arranged in top, opens when water level is more than predetermined value, but this structure often makes water when overflow valve is opened Water in case is contacted with extraneous air, to pollute, not can guarantee the safety of the water in water tank.Therefore, this field Need a kind of automatic drain system for guaranteeing water quality safety during Auto-drainage.

Utility model content

To solve the above-mentioned problems, the utility model proposes a kind of water correction plants with automatic drain system, wherein The water correction plant includes:

At least one purification device, the purification device is for handling water；

At least one water tank, the water tank have entrance to receive a purification in the purification device to fill respectively Set processed water；

Water out, the water out pass through piping connection to the outlet of the water tank；And

Automatic drain system, the automatic drain system are connected to the outlet of the water tank, and include:

Discharge pipe line, the discharge pipe line are connected to the outlet of the water tank, and include control valve on the discharge pipe line；

Bypass, the bypass are equipped with the overflow control valve in parallel with the control valve；

Level sensor, the level sensor extend along the tank height to detect the height of the liquid level in the water tank Degree；And

Overflow controller, the liquid level that the overflow controller is configured to detect when the level sensor are higher than predetermined liquid When position, the overflow control valve is opened.

In a preferred embodiment, the overflow control valve is solenoid valve.

In a preferred embodiment, the control valve is ball valve.

In a preferred embodiment, the overflow controller is configured to measure in the water tank when the level sensor When liquid level reaches 100% or more of water tank predetermined fluid level, the overflow control valve is opened.

In a preferred embodiment, the overflow controller is configured to measure in the water tank when the level sensor When liquid level drops to 90% or less water tank predetermined fluid level, the overflow control valve is closed.

In a preferred embodiment, the second overflow control valve, the second overflow control are additionally provided in the tank top Valve is configured to open when liquid level is higher than the 100% of water tank predetermined fluid level water to be discharged, and triggers warning system.

In a preferred embodiment, on the pipeline between one in the entrance of the water tank and the purification device and Pipeline between the water out and the outlet of the water tank is equipped with bactericidal unit.

In a preferred embodiment, at least one described purification device includes:

Filter device, the filter device by piping connection to water source, and to from the water source water progress sand filtration, At least one of carbon filtration, softening and secondary filter processing；

Ultrafiltration membrane set filter, the ultrafiltration membrane set filter have melt-blown filter, fill for filtering from the filtering The water set；

Reverse osmosis membrane assembly, the reverse osmosis membrane assembly is by osmosis filtration from the ultrafiltration membrane set filter Water；And

Electric deionizer, the electric deionizer filter the water from the reverse osmosis membrane assembly.

In a preferred embodiment, the water correction plant further includes mixing tank, and the mixing tank will be for that will come from The filter device, the ultrafiltration membrane set filter, the reverse osmosis membrane assembly, it is more than the two in the electric deionizer Water mixing.

In a preferred embodiment, the mixing tank is by the water from the ultrafiltration membrane set filter and from described anti- The water of permeable membrane element mixes.

Using water correction plant according to the present utility model, extra water can be automatically drained out in the water overfill in water tank Without causing water pollution in drainage procedure.

Detailed description of the invention

Fig. 1 shows the overall schematic of water correction plant according to the present utility model.

Fig. 2 shows the schematic diagrames of tank drains control system according to the present utility model.

Fig. 3 shows the schematic diagram of ultraviolet disinfection system according to the present utility model.

Fig. 4 shows the schematic diagram of mixing tank according to the present utility model.

Specific embodiment

The preferred embodiment of the utility model is described in detail below with reference to attached drawing, to be clearer to understand this reality With novel objects, features and advantages.It should be understood that embodiment shown in the drawings is not the limit to the scope of the utility model System, and simply to illustrate that the connotation of technical solutions of the utility model.

Unless context has other needs, and in the whole instruction and claim, word " comprising " and its modification, such as "comprising" and " having " should be understood meaning that is open, including, that is, should be interpreted that " including, but are not limited to ".

Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature It can combine in any way in one or more embodiments.

The singular as used in the specification and appended " one " and " described " include plural object, are removed It is clearly dictated otherwise in non-text.It should be noted that term "or" is usually used with the meaning that it includes "and/or", unless literary In clearly dictate otherwise.

In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details One or more details the case where practice embodiment.

Water correction plant 100 is integrally shown in Fig. 1.As shown, water correction plant 100 includes raw water box 101 and more Grade water purifying module and multiple water outlets.Wherein, raw water box 101 receives and stores raw water via such as ball valve, such as from The tap water of municipal water supplies.Here, raw water refers to the processed water of water correction plant without the application.Raw water box 101 by piping connection to the multi-stage water purification module being arranged in series with each other, and every grade of water purifying module is arranged to carry out not water The purified treatment of same level simultaneously has corresponding outlet.Each of multiple water outs connect with the outlet of corresponding water purifying module It connects.Wherein water purifying module includes: filter device 105, ultrafiltration membrane set filter 106, the first reverse osmosis membrane assembly 107.And it is more A water outlet then include be connected respectively to filter device 105, ultrafiltration membrane set filter 106, the first reverse osmosis membrane assembly 107 One water outlet 201, the second water outlet 202, third water outlet 203.Tap water from raw water box 101 by filter device 105 into At least one of row sand filtration, carbon filtration, softening and secondary filter handle and form deionized water.As shown, filter device 105 Including sand filter 1051, char filter 1052, demineralizer 1053 and accurate filter 1055.It should be understood that according to the water of raw water Matter situation, filter device 105 may include in sand filter 1051, char filter 1052, demineralizer 1053 and accurate filter 1055 One or more any combination.Sand filter 1501 removes the large particulate matter and impurity in tap water, and char filter 1052 is used Improve the mouthfeel of water, and demineralizer 1053 then removes the calcium ions and magnesium ions in water removal, adjust the hardness of water.Accurate filter 1055 With melt-blown filter, for further filtering the water from filter device 105.In addition, usually also setting up for demineralizer 1053 carry out regenerated salt regenerating unit 1054, for regenerating to demineralizer 1053.

It is two branches by the processed moisture of filter device 105, one of branch leads to the first water outlet 201, should First water outlet 201 can provide a user deionized water.By the processed deionized water of filter device 105 can be used for laboratory, Laboratory water, boiler feed water etc..Another branch then passes through piping connection to ultrafiltration membrane set filter 106, ultrafiltration membrane group mistake Filter 106 has melt-blown filter, for further filtering the water from filter device 105.

It is ultrafiltration water by the water that ultrafiltration membrane set filter 106 is handled, the pore size filter of melt-blown filter is about 0.01 micro- Meter, the impurity such as bacterium, iron rust, colloid and organic matter are further eliminated in ultrafiltration water, but remain oxygen in water and people The nutritional ingredients such as trace mineral needed for body, water standard reach the current drinking water standard in China.By ultrafiltration membrane set filter 106 Processed water is also classified into two branches, and a branch leads to the second water outlet 202, which can mention to user For ultrafiltration water.Another branch then passes through piping connection to the first reverse osmosis membrane assembly 107, first reverse osmosis membrane assembly 107 With reverse osmosis membrane, it is further processed the water from ultrafiltration membrane set filter 106.Certainly, other branch can also be increased as needed In road, such as embodiment shown in Fig. 1, the processed water of ultrafiltration membrane set filter 106 may also comprise third branch, this Three branches can lead to following mixing tanks 109.

It is level-one high purity water by the water that the first reverse osmosis membrane assembly 107 is handled.Do not retain water substantially in level-one high purity water In minerals, pH value between 6-7, be faintly acid, be generally used for dialysis etc. medicinal waters or laboratory, electronic chemical etc. It is special to use water, it can also be used to drink.But due to being free of minerals in the water, and it is not suitable for long-term drinking.By the first reverse osmosis membrane The processed water of component 107 leads to third water outlet 203, which can provide a user level-one high purity water.At certain Under a little applicable cases, need to prepare distilled water by distilling apparatus using high purity water.In this case, to the water quality of high purity water It is required that it is higher, it needs using second level high purity water.In this case, it needs in the downstream of the first reverse osmosis membrane assembly 107 setting the Two reverse osmosis membrane assemblies, 107 ', as shown in Figure 1.

It can send by the processed water of 107 ' of the second reverse osmosis membrane assembly to the electrodeionization in downstream (EDI) device 108, Distilling apparatus 120 is sent to again later, to generate distilled water.Alternatively, anti-by second in the preferable situation of raw water quality The processed water of 107 ' of permeable membrane element can be routed directly to distilling apparatus 120, to generate distilled water.The distilling apparatus 120 can It is connected to the 7th water outlet 207.In addition, by the processed second level high purity water of 107 ' of the second reverse osmosis membrane assembly be connected to electricity go from Sub (EDI) device 108.In EDI device 108, the directional migration of water intermediate ion is realized under the action of electric field, to reach water Deep purifying desalination, therefore, EDI water is known as ultrapure water, can be widely applied to electric power, electronics, medicine, chemical industry, optical instrument With laboratory field.4th water outlet 204 is led to by the processed water of EDI device 108, which can provide a user EDI water.The resistivity of obtained ultrapure water is wherein handled up to 18M Ω .cm by EDI device 108 using second level high purity water (25℃).As described above, in the case where the second 107 ' of reverse osmosis membrane assembly is arranged, also settable to be connected to this second reverse osmosis The 5th water outlet 205 of 107 ' of membrane module, so as to provide a user second level high purity water.In addition, the water correction plant 100 also wraps Include mixing tank 109, the mixing tank 109 can be used for inherent filtration in future device 105 as needed, ultrafiltration membrane set filter 106, First reverse osmosis membrane assembly 107,107 ' of the second reverse osmosis membrane assembly, water mixing more than the two in electric deionizer 108. The outlet of the mixing tank 109 is connected to the 6th water outlet 206.In preferred embodiment shown in Fig. 1, mixing tank 109 will Level-one high purity water mixing from ultrafiltration membrane set filter 106 and from the first reverse osmosis membrane assembly 107.The mixing water of the two The equilibrium that nutrition degree and degree of purity can be achieved is more suitable for being used as and drink.Therefore, the outlet of the mixing tank 109 is also connected to Direct-drinking device 300.In practice, as needed, the ratio of different water in mixing water is adjusted.

Above-mentioned first water out 201, the second water out 202, third water out 203, the 4th water out 204, the 5th water go out The 205, the 6th water out 206 of mouth and the 7th water out 207 are connected to hypochloric acid water process units 400.It can lead to as needed It crosses control valve selectively to connect one of above-mentioned water out with hypochloric acid water process units 400, thus by corresponding water quality Water add a certain amount of sodium hypochlorite and hydrochloric acid and form subacidity hypochloric acid water.The subacidity hypochloric acid water of the application occurs Device is using injection streaming reaction method.Stable subacidity, pH is presented in the resulting hypochloric acid water of subacidity hypochloric acid water generator Value, which can be stablized, in any one narrow range in numerical value ± 0.05, can store 18 in the condition of being protected from light between 6.20-6.80 A month or more.The hypochloric acid water only generates high inhibition effect, anti-effective bacteriostatic ingredients and people to organic matters such as bacterium and viruses The hypochlorous acid that body white blood cell generates is the same, has very strong degerming ability, and non-toxic to humans.The hypochloric acid water can also be gone Except space smoke, stink, food odors, stink with perspiration etc. improve air quality.

Wherein with the deionized water from the first water out 201, the ultrafiltration water from the second water out 202 and from the 6th The mixing water of water outlet 206 is suitable for carrying out disinfection to body surface, dry goods etc. as the subacidity hypochloric acid water that water supply produces Thimerosal.Using the level-one high purity water from third water outlet 203, the second level high purity water from the 5th water outlet 205 as giving The subacidity hypochloric acid water of aquatic production is suitable as the thimerosal on the person, such as disinfectant liquid for skin, mouthwash.To come from the 4th The EDI water of water out 204 is suitable as skin mucous membrane disinfectants as the subacidity hypochloric acid water that water supply produces, such as gynaecology disappears Scorching washing lotion.And it is suitable as reaching doctor using the subacidity hypochloric acid water that the distilled water from the 7th outlet 207 is produced as water supply The cleaning wound thimerosal for treating instrument standard, substitutes current physiological saline.Physiological saline does not have disinfection efficacy, is easy to make to hurt Mouthfeel contaminates adhesion, and with this thimerosal, wound healing is exceedingly fast, does not infect.It can be as needed by one of above-mentioned outlet and hypochlorous acid Water process units 400 is connected to, so that production is suitable for the subacidity hypochloric acid water of specific application.

Further, in the embodiment shown in fig. 1, it is equipped between ultrafiltration membrane set filter 106 and the second water outlet 202 Ultrafiltration water tank 110, for storing the ultrafiltration water from ultrafiltration membrane set filter 106, to pass through control valve when needed to user It supplies water.

Further, in the embodiment shown in fig. 1, it is equipped between reverse osmosis membrane assembly 107 and third water outlet 203 Level-one high-purity water tank (also referred hereinafter as RO water tank) 111, for storing the level-one high purity water from reverse osmosis membrane assembly 107, with logical Control valve is crossed to supply water to user when needed.

In addition, in the case where the second 107 ' of reverse osmosis membrane assembly of setting as shown in Figure 1, in the second reverse osmosis membrane assembly It can be equipped with 111 ' of second level high-purity water tank between 107 ' and the 5th water outlet 205, come from the second reverse osmosis membrane assembly for storing The second level high purity water of 107 ', to be supplied water when needed to user by control valve.

Further, show in embodiment in Fig. 1, ultrapure water tank is equipped between EDI device 108 and the 4th water outlet 204 (also referred hereinafter as EDI water tank) 112, for storing the ultrapure water from EDI device 108, with by control valve when needed to It supplies water at family.

Required size can be set as needed into the volume of each water tank, can be the same or different from each other.Each water tank Outlet is equipped with delivery pump, for providing the pressure of downstream transport water.Settable level sensor in each water tank, according to spy Liquid level in the Liquid level water tank of survey is in reasonable altitudes.For example, the control system when liquid level is higher than the 90% of predetermined fluid level Signal is issued, stops the corresponding delivery pump of the water tank upstream, avoids liquid level in water tank excessively high.And when the liquid level in water tank is lower than pre- When determining the 50% of liquid level, then control system issues signal, starts the corresponding delivery pump of the water tank upstream, fills the water into water tank.And When the liquid level in water tank is lower than the 10% of predetermined fluid level, then control system stops the delivery pump in the water tank downstream, avoids water tank Emptying.

Each water tank is additionally provided with drainage control system, as shown in Figure 2.Water inlet 301 is equipped with above water tank, for receiving Water from upstream.Overflow controller 302 is additionally provided in water tank.As shown in Fig. 2, overflow controller 302 is positioned close to water tank The position at top.In addition, being additionally provided with level sensor 303 in water tank, which extends along the height of water tank, The liquid level in water tank can accurately be detected.It is equipped with outlet 304 in the bottom of water tank, for the water in water tank is downstream defeated It send.In addition, outlet 304 is also connected with discharge pipe line.The discharge pipe line leads to trench, includes ball valve 305 on discharge pipe line, should Ball valve 305 can be opened when needed by operator and carry out manual drainage.In addition, being additionally provided with connect in parallel with pipeline where ball valve The bypass connect is equipped with overflow control valve s in the bypass.Preferably, overflow control valve s is solenoid valve.Overflow control valve s It being controlled by overflow controller 302, the liquid level in water tank automatically opens valve so that water is discharged into trench when exceeding preset value, and Liquid level in water tank closes the overflow control valve s when dropping to another preset value due to draining.Reaching water under normal conditions Case predetermined fluid level 100% or more when, starting overflow control valve s starts to drain, and when dropping to the 90% of water tank predetermined fluid level When, then turn off overflow control valve s.

In addition, in order to prevent overflow controller 302 failure or overflow control valve s break down when water tank in liquid level Rise always, is additionally provided with the second overflow control valve (not shown) in the tank top, which is configured to work as The liquid level is opened when being higher than the 100% of water tank predetermined fluid level water to be discharged, and triggers warning system, reminds operator's inspection Look into overflow controller 302 and overflow control valve s.

It, can with drainpipe being arranged and in drainpipe compared with the structure of setting overflow valve in water tank upper in the prior art To avoid the air return that may cause in the prior art, and such air return will cause the water in water tank by air Germ contamination.

Preferably, being equipped with disinfection system, between ultrafiltration water tank 110 and mixing tank 109 to ensure to enter mixing tank Water sterilization rate.The disinfection system is preferably ultraviolet disinfection system.

It goes out it is also preferable that being designed with ultraviolet light on the pipeline that each entrance of mixing tank 109 and outlet are connected Fungus strain system.The pipeline that entrance is connected is equipped with ultraviolet disinfection system and can prevent from containing in the water entered in mixing tank 109 There is bacterium.In water tank, there is a certain amount of air above the water surface, the contact with air also results in bacteria breed in water, therefore Setting ultraviolet disinfection system can prevent from containing bacterium in the water provided a user on exporting connected pipeline.

In addition, ultraviolet disinfection system is usually cannula structure, as shown in Figure 3.The ultraviolet disinfection system includes outside Casing 401 and the quartz ultraviolet tube 402 being arranged in outer sleeve 401, are filled with low in quartz ultraviolet tube 402 Press mercury vapour.Annular channel 403 is formed between outer sleeve 401 and quartz ultraviolet tube, the water in pipeline is flowing through this Ultraviolet light irradiation is subjected to while annular channel, to realize sterilization effect.With the pipe only being connect in the prior art in entrance Disinfection system is installed to compare in road, the embodiment of the utility model can improve sterilization rate to 100% from 95%.

In addition, flowmeter is arranged in the pipeline for being equipped with ultraviolet disinfection system.Do not have when flow measurement obtains in pipeline When water flow, control system deactivates quartz burner, to avoid in the case where no water flow passes through, quartz burner continues work Make and generate ozone, to influence the water quality in pipeline.

The schematic diagram of mixing tank 109 according to the present utility model is shown in Fig. 4.The mixing tank 109 can be realized The automatic uniform of variety classes water mixes.As shown in figure 4, being equipped with blender 501, the blender 501 in the mixing tank 109 Including stirring rod 5011 and the stirring blade 5012 for being mounted on 5011 end of stirring rod.Preferably, stirring rod 5011 is from mixing water The top of case 109 extends in mixing tank 109, and mixing arm 5012 is located at the position that middle part is on the lower side in mixing tank 109 It sets, is stirred so as to be immersed in the water.The top of stirring rod 5011 be equipped with motor, for drive stirring rod 5011 into And stirring blade 5012 is driven to rotate.

The usually cylindrical shape of mixing tank 109, has cylinder shape inner wall face.The mixing tank 109 can be set as needed Set more than two entrances.Each entrance is connected with nozzle, for water to be mixed to be sprayed into mixing tank.Nozzle is fixed close to inner wall Position is simultaneously obliquely installed relative to vertical direction, so that nozzle is sprayed water towards inner wall and downwards.To so that the water that nozzle sprays Along helical path on inner wall.And each nozzle is tilted along identical circumferential direction, so that the water that each nozzle sprays exists It is flowed on inner wall along identical circumferential direction.Preferably, nozzle tilts down angle less than 45 degree, more relative to horizontal direction Goodly less than 30 degree.Enough flow on inner wall of water energy that lesser tilt angle is conducive to nozzle ejection moves the longer time, thus The mixing that can be sufficiently flowed with the water from other nozzles.

In addition, each entrance is equipped with control valve, the opening and closing of entrance are controlled according to the ratio of required mixed water. For example, the level-one RO water needs of 300L pass through spray in the case where needing to mix 100L ultrafiltration water with the level-one RO water of 300L Mouth sprays 30 minutes to complete to inject, and the ultrafiltration water of 100L needs to spray 10 minutes by nozzle to complete to inject.At this point, can Keep the inlet nozzle of level-one RO water in the open state always, and the inlet nozzle of ultrafiltration water is then intermittently beaten in 30 minutes It opens, such as every 7.5 minutes open once, continue 2.5 minutes every time.It is more uniformly mixed so that two kinds of water energys are enough.Stirring The runing time of device 501 can be determined according to the volume of mixing tank, such as the water tank for being 1L for capacity, blender 501 Runing time may be configured as 10 minutes.After 501 end of run of blender, a static interval is set, to ensure in mixing tank Water stand uniformly, after static interval, mixing tank 109 exports connected delivery pump and could open to send mixing water Out.

The preferred embodiment of the utility model has already been described in detail above, it is understood that having read the utility model Above-mentioned teaching content after, those skilled in the art can make various changes or modifications the utility model.These shapes of equal value Formula is also fallen within the scope of the appended claims of the present application.

Claims (10)

1. a kind of water correction plant with automatic drain system, which is characterized in that

The water correction plant includes:

At least one purification device, the purification device are used to carry out purified treatment to water；

At least one water tank, the water tank have entrance received at a purification device in the purification device respectively The water managed；

Water out, the water out pass through piping connection to the outlet of the water tank；And

Automatic drain system, the automatic drain system are connected to the outlet of the water tank, and include:

Discharge pipe line, the discharge pipe line are connected to the outlet of the water tank, and include control valve on the discharge pipe line；

Bypass, the bypass are equipped with the overflow control valve in parallel with the control valve；

Level sensor, the level sensor extend along the tank height to detect the liquid level in the water tank；With And

Overflow controller, the liquid level that the overflow controller is configured to detect when the level sensor are higher than predetermined fluid level When, open the overflow control valve.

2. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

The overflow control valve is solenoid valve.

3. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

The control valve is ball valve.

4. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

The liquid level that the overflow controller is configured to measure in the water tank when the level sensor reaches water tank predetermined fluid level 100% or more when, open the overflow control valve.

5. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

The liquid level that the overflow controller is configured to measure in the water tank when the level sensor drops to the predetermined liquid of water tank Position 90% or less when, close the overflow control valve.

6. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

It is additionally provided with the second overflow control valve in the tank top, second overflow control valve is configured to be higher than water tank when liquid level Predetermined fluid level 100% when open so that water to be discharged, and trigger warning system.

7. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

On the pipeline between one in the entrance of the water tank and the purification device and the water out and the water tank Outlet between pipeline be equipped with bactericidal unit.

8. the water correction plant according to claim 1 with automatic drain system, which is characterized in that

At least one described purification device includes:

Filter device, the filter device carry out sand filtration, charcoal to water source, and to the water from the water source by piping connection At least one of filter, softening and secondary filter processing；

Ultrafiltration membrane set filter, the ultrafiltration membrane set filter has melt-blown filter, for filtering from the filter device Water；

Reverse osmosis membrane assembly, the reverse osmosis membrane assembly pass through water of the osmosis filtration from the ultrafiltration membrane set filter；With And

Electric deionizer, the electric deionizer filter the water from the reverse osmosis membrane assembly.

9. the water correction plant according to claim 8 with automatic drain system, which is characterized in that

The water correction plant further includes mixing tank, and the mixing tank will be for that will come from the filter device, the ultrafiltration Film set filter, the reverse osmosis membrane assembly, water mixing more than the two in the electric deionizer.

10. the water correction plant according to claim 9 with automatic drain system, which is characterized in that

The mixing tank mixes the water from the ultrafiltration membrane set filter with the water from the reverse osmosis membrane assembly.