CN108101294A - A kind of distilled water preparation process - Google Patents
A kind of distilled water preparation process Download PDFInfo
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- CN108101294A CN108101294A CN201810056213.4A CN201810056213A CN108101294A CN 108101294 A CN108101294 A CN 108101294A CN 201810056213 A CN201810056213 A CN 201810056213A CN 108101294 A CN108101294 A CN 108101294A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of distilled water preparation processes, belong to distilled water preparing technical field, it includes filtering link, distillation link and backwash link；Wherein, in filtering link, the condensed device of raw water flows into multiple-effect filter, realizes filtering；In distillation link, raw water flows into multi-effect evaporator, and is heated in multi-effect evaporator by industrial steam, indirect steam is generated, indirect steam enters in condenser, heats the raw water in condenser, and distilled water is condensed into, distilled water flows out into distillation water storage tank from condenser；In backwash link, purified water is flowed out from water tank is purified, and inversely flows into multiple-effect filter.It is energy saving and water-saving the present invention provides contributing to, distillation aquatic product quality is improved, reduces production cost, ensures a kind of distilled water preparation process of water safety.
Description
Technical field
The present invention relates to a kind of distilled water preparation processes, belong to distilled water preparing technical field.
Background technology
Distilled water is a kind of important medicine, food, especially industrial chemicals, water for injection, not only to distilled water demand
Amount is big, and quality requirement is also relatively high.At present, the production technology of distilled water is about：Steam is made in raw water → heating
→ steam-water separation → steam in steam and cooling water progress heat exchange → steam cooling are generated and distills aquatic products；Meanwhile add
Hot steam generates condensed water after heat exchange.
In above-mentioned production process, to ensure to distill aquatic product quality, raw water is mostly purified water used by reality, and
Can not water directly be expected using tap water etc., and then cause production cost relatively high.Therefore, how to ensure to distill aquatic products matter
It to reduce production cost is a problem urgently to be resolved hurrily that tap water is used to replace purified water while amount.
The content of the invention
The object of the present invention is to provide a kind of distilled water preparation processes, comprehensively utilize multiple-effect filter and multi-effect evaporator,
While ensureing to distill aquatic product quality, production cost is greatly reduced.
The present invention above-mentioned technical purpose technical scheme is that：A kind of distilled water preparation process,
Including below scheme：
S1, filtering link：The condensed device of raw water flows into multiple-effect filter, and is realized during multiple-effect filter is flowed through
Filter；
S2, distillation link：The raw water flowed out from multiple-effect filter flows into multi-effect evaporator, and is flowing through the mistake of multi-effect evaporator
It being heated in journey by industrial steam, generates indirect steam, indirect steam enters in condenser, heats the raw water in condenser, and
Distilled water is condensed into, distilled water flows out into distillation water storage tank from condenser；
S3, backwash link：After the completion of above-mentioned distillation link, purified water is flowed out from water tank is purified, and inversely flows into multiple-effect mistake
Filter, the condensed device of purified water flowed out from multiple-effect filter flow into cleaning water tank.
By using above-mentioned technical proposal, before starting to distill link, first raw water is carried out by multiple-effect filter
Fully filtering, the content of the harmful substances such as microorganism, the free chlorine in tap water is effectively controlled in acceptability limit, plays the
One heavy catharsis；Meanwhile distillation link can also play the role of raw water effective purification, realize that second purifies again；In addition,
In view of multiple-effect filter in use can continuous accumulated impurity, for ensure distill aquatic product quality, complete distill link
Afterwards, multiple-effect filter can be backwashed, is inversely passed through in multiple-effect filter by a small amount of purified water, after being cleaned multiple times,
The impurity being adhered on multiple-effect filter will largely be discharged into cleaning water tank, to ensure the filter effect of multiple-effect filter, from
And indirectly improve the product quality of distilled water.By using above-mentioned setting, while ensureing to distill aquatic product quality, success
Realize by the use of tap water replace purified water as the purpose of raw water, greatly reduce production cost.
The present invention is further arranged to：The multiple-effect filter includes an effect filter, the filter core of the effect filter
For PP cottons, the filter cores of the two effects filter are cellular particle activated carbon, and the triple effect filter is RO reverse osmosis membranes, described four
The filter core for imitating filter is extruded activated carbon.
By using above-mentioned technical proposal, an effect filter mainly plays the role of raw water preposition purification, it can
Remove the colloidal impurity that diameter in tap water is more than 5 microns, micro- mud, iron rust, worm's ovum, organic contamination minerals sundries etc.；Honeycomb
Granular activated carbon has strong adsorption, regenerating easily and the advantages such as recycles, and can remove chlorine, benzene, phenol, haloform in water removal
Deng, and also have sufficiently cleaned up effect to heavy metal ion such as silver, cadmium, copper, mercury；RO reverse osmosis membranes aperture as low as nanoscale, one
Under constant-pressure, hydrone can by RO reverse osmosis membranes, and inorganic salts, heavy metal ion, organic matter, colloid in raw water,
The clean level of raw water by RO reverse osmosis membranes, can not can be greatly improved in the impurity such as bacterium and virus；Extruded activated carbon
The main function of filter core is the chlorine residue removed in raw water, removes peculiar smell and organic compound.
The present invention is further arranged to：The first sampling is offered on the pipeline of the multiple-effect filter away from condenser side
Mouthful, chlorine residue detection device is equipped at first sample tap, it is desirable that the content of the raw water free chlorine after filtering is at most
0.03mg/L；The exceeded raw water of free chlorine returns to multiple-effect filter, and is filtered again, until free chlorine contents are qualified.
By using above-mentioned technical proposal, free chlorine residual is that production is used for the substance sterilized in tap water, moreover it is possible to prevent from supplying water
Pipe network is subject to extraneous contamination.But the irritation of chlorine residue is very strong, has injury to respiratory system, it is also easy to and Organic substance in water
Reaction, the carcinogenic substances such as generation chloroform, chloroform, chlorine residue is exceeded will to cause serious consequence to health；Therefore, according to certainly
Water prepares distilled water, and chlorine residue is the problem that certainly will be solved.It, will be free in water after the repeated filtration of multiple-effect filter
Chlorine is controlled in below 0.03mg/L, while ensureing that raw water can possess certain bactericidal effect, it is ensured that contents of residual chlorine in water
Meet《Standards for drinking water quality》(GB5749-2006) requirement；Meanwhile in subsequently distillation link, in raw water
Chlorine residue can also be purified further, it can be ensured that water safety.
The present invention is further arranged to：The multi-effect evaporator includes 1st effective evaporator and 2nd effect evaporator, and raw water exists
It is heated in 1st effective evaporator by industrial steam, generates indirect steam, indirect steam and the raw water not being vaporized are steamed into two effects
Send out device；The indirect steam is partly condensed into distilled water after exchanging heat with the raw water in 2nd effect evaporator, and be not condensed
Indirect steam enters next stage evaporator, and heats the raw water in next stage evaporator.
By using above-mentioned technical proposal, the latter evaporator of Secondary-steam heating generated in previous stage evaporator is utilized
In raw water, heat utilization ratio can be greatly improved, contribute to reduce energy consumption.
The present invention is further arranged to：The multi-effect evaporator further includes several preheaters, each preheater with it is at different levels
Evaporator is set in connection is corresponded；Raw water flows into most final stage preheater successively after multiple-effect filter is flowed out, and reciprocal the
Two level preheater is flowed into level-one preheater always；The distilled water generated in preheaters at different levels enters in condenser, and is adding
It is flowed out after hot charge water.
By using above-mentioned technical proposal, raw water is preheated by preheaters at different levels, helps to improve multiple-effect steaming
Send out the heat exchange efficiency between indirect steam and raw water in device.
The present invention is further arranged to：The distillation link includes at least a redistillation, two redistillations and triple distillation；
After the completion of a upper redistillation, the distilled water that a upper redistillation is obtained back flows back into multi-effect evaporator, and proceeds by next heavy
Distillation, until last redistillation is completed, the distilled water finally obtained flows into distillation water storage tank.
By using above-mentioned technical proposal, by multiple distillation, distillation aquatic product quality can effectively ensure that.
The present invention is further arranged to：The outlet pipeline of the condenser is equipped with the second sample tap, at the second sample tap
Equipped with water quality detecting device, it is desirable that distilled water is at most 1 μ S/cm in the electrical conductivity flowed into before distilling water storage tank；Electrical conductivity surpasses
Target distilled water returns to the multiple-effect filter, and restarts to filter link and distill link.
By using above-mentioned technical proposal, by setting the second sample tap, hydrous water quality supervision on leaving condenser water pipeline
Device is surveyed, to detect the electrical conductivity of distilled water, ensures the water quality of distilled water.
The present invention is further arranged to：The industrial steam is provided by electrically heated boiler, and the industrial steam is steamed in multiple-effect
The condensed water generated in hair device flows back to electrically heated boiler after multi-effect evaporator flows out, and is reheated into industrial steam.
By using above-mentioned technical proposal, will again be led to by the condensed water formed in multi-effect evaporator by industrial steam condensation
Enter electrically heated boiler, avoid water resource waste, improve water utilization rate, reduce production cost.
In conclusion the invention has the advantages that：
1st, by adding multiple-effect filter between condenser and multi-effect evaporator, with reference to multi-filtering and multiple distillation,
While ensureing distillation aquatic product quality, successfully realization replaces purified water to prepare the purpose of distilled water with tap water, greatly reduces
Production cost；
2nd, by multiple times of filtration and the mode of production of multiple distillation, chlorine residue detection device and water quality detecting device are coordinated, effectively
It ensure that the product quality of distilled water, the security with water be greatly improved；
3rd, using the raw water in the Secondary-steam heating next stage evaporator generated in previous stage evaporator, energy is greatly improved
Utilization rate is measured, and then reduces energy consumption indirectly, is had the advantages that energy saving；
4th, by the way that the condensed water being condensed into multi-effect evaporator by industrial steam is passed through electrically heated boiler again, water is avoided
Water utilization rate is greatly improved in the wasting of resources, meets water-saving call.
Description of the drawings
Fig. 1 is the flow diagram that the present embodiment is mainly used for embodying distilled water preparation process.
Reference numeral：1st, raw material water tank；2nd, condenser；3rd, multiple-effect filter；31st, an effect filter；32nd, two effect filtering
Device；33rd, triple effect filter；34th, quadruple effect filter；4th, the first sample tap；5th, chlorine residue detection device；6th, multi-effect evaporator；61st, one
Imitate evaporator；62nd, 2nd effect evaporator；63rd, triple effect evaporator；64th, four-effect evaporator；65th, preheater；7th, electrically heated boiler；8、
Distill water storage tank；9th, the second sample tap；10th, water quality detecting device；11st, water tank is purified；12nd, water tank is cleaned.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Referring to attached drawing 1, a kind of distilled water preparation process, including below scheme:
S1, filtering link：The condensed device 2 of raw water flows into multiple-effect filter 3, and real during multiple-effect filter 3 is flowed through
Now filter.
Multiple-effect filter 3 includes an effect filter 31, two and imitates filter 32, triple effect filter 33 and quadruple effect filter 34；
In work, raw water is after raw material water tank 1 is flowed out, followed by above-mentioned filters at different levels.Wherein, an effect filter 31 is mainly used
In carrying out preposition purification to raw water, filter core is PP cotton materials；PP cottons can remove the glue that diameter in tap water is more than 5 microns
Body impurity, micro- mud, iron rust, worm's ovum, organic contamination minerals sundries etc..The filter core of two effect filters 32 is using cellular particle activity
Charcoal is made, and cellular particle activated carbon has strong adsorption, regenerating easily and the advantages such as recycles, can go chlorine in water removal, benzene,
Phenol, haloform etc., and also have sufficiently cleaned up effect to heavy metal ion such as silver, cadmium, copper, mercury.The filter core of triple effect filter 33
Using RO reverse osmosis membranes, RO reverse osmosis membranes aperture as low as nanoscale, under a certain pressure, hydrone can be reverse osmosis by RO
Film, and the impurity such as inorganic salts, heavy metal ion, organic matter, colloid, bacterium and virus in raw water can not pass through RO reverse osmosis
The clean level of raw water can be greatly improved in permeable membrane.The filter core of quadruple effect filter 34 is extruded activated carbon, and main function is
The chlorine residue in raw water is removed, removes peculiar smell and organic compound.By multiple-effect filter 3, can effectively remove as raw material
Various impurity in the tap water of water, especially wherein endanger larger chlorine residue.
Meanwhile to ensure filter effect, first is offered on above-mentioned pipeline of the multiple-effect filter 3 away from 2 one side of condenser
Sample tap 4, chlorine residue detection device 5 is equipped at the first sample tap 4, which can be used residual chlorine detecting instrument.It is required that warp
The content of chlorine residue is no more than 0.03mg/L in qualified raw water after filtering.When detecting that chlorine residue is exceeded in raw water, raw material
Water returns to an effect filter 31 by pipeline, and is filtered again, until contents of residual chlorine is up to standard in raw water.
S2, distillation link：The raw water flowed out from multiple-effect filter 3 flows into multi-effect evaporator 6, and is flowing through multiple-effect evaporation
It is heated during device 6 by industrial steam, generates indirect steam, indirect steam enters in condenser 2, heats in condenser 2
Raw water, and distilled water is condensed into, distilled water flows out into distillation water storage tank 8 from condenser 2.
Multi-effect evaporator 6 is included in 1st effective evaporator 61,2nd effect evaporator 62, the triple effect evaporator 63 and four being arranged side by side
Evaporator 64 is imitated, the quantity of specific evaporator can make choice according to demand, and theoretically the quantity of evaporator is more, final to steam
The quality of distilled water is higher.Multi-effect evaporator 6 further includes preheater 65, and preheater 65 is with above-mentioned evaporators at different levels in the company of one-to-one corresponding
It is logical to set.After raw water flows out multiple-effect filter 3, raw water flows into the preheater 65 of most final stage first, then successively through falling
Number second level preheater 65, until flowing into the preheater 65 of the first order；Each preheater 65 can play raw water pre- heat effect.
Preheaters 65 at different levels are respectively communicated with the evaporator of corresponding level-one, and raw water may proceed to flow into after the preheater 65 of the first order is flowed into
In 1st effective evaporator 61.
1st effective evaporator 61 has an electrically heated boiler 7 by pipeline connection, electrically heated boiler 7 can continuous heating water, it is and raw
Into industrial steam, industrial steam, which enters 1st effective evaporator 61, to play heat effect to raw water therein, be allowed to generate two
Secondary steam.Industrial steam, indirect steam and the raw water that is not vaporized will flow into 2nd effect evaporator 62, industrial steam and secondary steaming
Vapour heats the raw water in 2nd effect evaporator 62 jointly, and forms indirect steam again in 2nd effect evaporator 62.And so on,
Indirect steam in four-effect evaporator 64 will directly flow back to condenser 2, heats the raw water in condenser 2, and generates distilled water
Discharge.
In above process, the industrial steam in evaporators at different levels and indirect steam condense generation condensed water and distillation respectively
Water；Wherein, the condensed water from evaporators at different levels is by the pipeline reflux water tank that most electrically heated boiler 7 supplies water, realizing water
Recycling；And the distilled water from evaporators at different levels then flows back to condenser 2, and discharged after being cooled down with raw water heat exchange,
Until flow into distillation water storage tank 8.
To ensure the quality of final distillation aquatic products, the outlet pipeline of condenser 2 is equipped with the second sample tap 9, and second takes
Water quality detecting device 10 is equipped at sample mouth 9, which can be used the online monitored conductivity instrument of EC-450, it is desirable that most
The electrical conductivity of finally finished distilled water is no more than 1 μ S/cm, and flow is at least 150L/h.Meanwhile above-mentioned distillation link includes a weight
Distillation, two redistillations and triple distillation, after the completion of a upper redistillation, the distilled water that is obtained will be back to more by pipeline
Filter 3 is imitated, and restarts filtering and next redistillation.After the completion of triple distillation, if the distilled water water quality obtained is closed
Lattice are then directly discharged into distillation water storage tank 8；If detecting, the electrical conductivity of distilled water is still exceeded, distillation number will be further increased, directly
It is qualified to water quality.By the working method of this multiple distillation, coordinate the online monitored conductivity instrument of EC-450, can be greatly improved
Distill aquatic product quality.
S3, backwash link：After the completion of above-mentioned distillation link, purified water is flowed out from water tank 11 is purified, and is inversely flowed into
Multiple-effect filter 3, the condensed device 2 of purified water flowed out from multiple-effect filter 3 flow into cleaning water tank 12.
Due in real work, above-mentioned multiple-effect filter 3 after the long period that works, inside inevitably adhere to
More impurity.In consideration of it, purifying is communicated with by pipeline on pipeline of the multiple-effect filter 3 away from 2 one side of condenser
Water tank 11；Theoretically, single flash link is often completed, is required for once being backwashed.In backwash process, from purifying
The flow direction that the purified water of water tank 11 will work against raw water flows into multiple-effect filter 3, and realizes cleaning performance to multiple-effect filter 3,
Impurity therein is discharged into cleaning water tank 12, impurity is avoided to continue to build up and influences the distilled water that subsequent production is obtained
Quality.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Claims (8)
1. a kind of distilled water preparation process, which is characterized in that including below scheme：
S1, filtering link：The condensed device of raw water（2）Flow into multiple-effect filter（3）, and flowing through multiple-effect filter（3）Mistake
Filtering is realized in journey；
S2, distillation link：From multiple-effect filter（3）The raw water of outflow flows into multi-effect evaporator（6）, and flowing through multiple-effect evaporation
Device（6）During heated by industrial steam, generate indirect steam, indirect steam enters condenser（2）In, heat condenser
（2）In raw water, and be condensed into distilled water, distilled water is from condenser（2）In flow out into distillation water storage tank（8）；
S3, backwash link：After the completion of above-mentioned distillation link, purified water purifies water tank certainly（11）Outflow, and inversely flow into more
Imitate filter（3）, from multiple-effect filter（3）The condensed device of purified water of outflow（2）Flow into cleaning water tank（12）.
A kind of 2. distilled water preparation process according to claim 1, which is characterized in that the multiple-effect filter（3）Including
One effect filter（31）, the effect filter（31）Filter core for PP cottons, the two effects filter（32）Filter core be honeycomb
Granular activated carbon, the triple effect filter（33）For RO reverse osmosis membranes, the quadruple effect filter（34）Filter core for compression activity
Charcoal.
A kind of 3. distilled water preparation process according to claim 1 or 2, which is characterized in that the multiple-effect filter（3）Far
From condenser（2）The first sample tap is offered on the pipeline of one side（4）, first sample tap（4）Place is equipped with chlorine residue detection dress
It puts（5）, it is desirable that the content of the raw water free chlorine after filtering is at most 0.03mg/L；The exceeded raw water of free chlorine returns to multiple-effect
Filter（3）, and be filtered again, until free chlorine contents are qualified.
A kind of 4. distilled water preparation process according to claim 1, which is characterized in that the multi-effect evaporator（6）Including
1st effective evaporator（61）And 2nd effect evaporator（62）, raw water is in 1st effective evaporator（61）It is middle to be heated by industrial steam, generation two
Secondary steam, indirect steam and the raw water not being vaporized enter 2nd effect evaporator（62）；The indirect steam is evaporated with two effects
Device（62）In raw water heat exchange after be partly condensed into distilled water, and the indirect steam not being condensed enters next stage evaporator,
And heat the raw water in next stage evaporator.
A kind of 5. distilled water preparation process according to claim 4, which is characterized in that the multi-effect evaporator（6）Also wrap
Include several preheaters（65）, each preheater（65）With evaporators at different levels setting is connected in one-to-one corresponding；Raw water is flowing out
Multiple-effect filter（3）Flow into most final stage preheater successively afterwards（65）, penultimate stage preheater（65）, it is pre- that level-one is flowed into always
Hot device（65）；Preheaters at different levels（65）The distilled water of middle generation enters condenser（2）In, and flowed out after raw water is heated.
6. a kind of distilled water preparation process according to claim 1, which is characterized in that the distillation link includes at least one
Redistillation, two redistillations and triple distillation；After the completion of a upper redistillation, the distilled water that a upper redistillation is obtained back flows back into
Multi-effect evaporator（6）, and next redistillation is proceeded by, until last redistillation is completed, the distilled water finally obtained flows into
Distill water storage tank（8）.
A kind of 7. distilled water preparation process according to claim 1 or 6, which is characterized in that the condenser（2）Water outlet
Pipeline is equipped with the second sample tap（9）, the second sample tap（9）Place is equipped with water quality detecting device（10）, it is desirable that distilled water is flowing into
Distill water storage tank（8）Electrical conductivity before is at most 1 μ S/cm；The exceeded distilled water of electrical conductivity returns to the multiple-effect filter
（3）, and restart to filter link and distill link.
8. a kind of distilled water preparation process according to claim 5, which is characterized in that the industrial steam is by electric heating pot
Stove（7）It provides, the industrial steam is in multi-effect evaporator（6）The condensed water of middle generation is through multi-effect evaporator（6）It is flowed back to after outflow
Electrically heated boiler（7）, and it is reheated into industrial steam.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231627A (en) * | 2018-10-19 | 2019-01-18 | 南通市第二人民医院 | A kind of department of stomatology safety water supply system |
| CN113354005A (en) * | 2021-05-28 | 2021-09-07 | 苏州市创联净化设备有限公司 | Energy-saving distillation equipment and method |
| CN114988509A (en) * | 2022-06-15 | 2022-09-02 | 广东长信精密设备有限公司 | System and method for recovering and producing pure water |
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| CN104860363A (en) * | 2014-02-26 | 2015-08-26 | 上海鸿宝医疗器械有限公司 | Distilled water preparation technology and equipment |
| CN203976564U (en) * | 2014-05-30 | 2014-12-03 | 天津邦盛净化设备有限公司 | Medicine water for injection refining plant |
| CN205188045U (en) * | 2015-08-25 | 2016-04-27 | 重庆方通动物药业有限公司 | Purified water system is used in animal remedy preparation |
| CN106186497A (en) * | 2016-08-31 | 2016-12-07 | 淄博华周制药设备有限公司 | Purified water, distilled water, pure steam all-in-one |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109231627A (en) * | 2018-10-19 | 2019-01-18 | 南通市第二人民医院 | A kind of department of stomatology safety water supply system |
| CN113354005A (en) * | 2021-05-28 | 2021-09-07 | 苏州市创联净化设备有限公司 | Energy-saving distillation equipment and method |
| CN113354005B (en) * | 2021-05-28 | 2023-03-07 | 苏州市创联净化设备有限公司 | Energy-saving distillation equipment and method |
| CN114988509A (en) * | 2022-06-15 | 2022-09-02 | 广东长信精密设备有限公司 | System and method for recovering and producing pure water |
| CN114988509B (en) * | 2022-06-15 | 2024-02-09 | 广东长信精密设备有限公司 | System and method for recovering and producing pure water |
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Application publication date: 20180601 |