CN102976423B - Automatic liquid replenishing sub-boil high-purity water distiller - Google Patents
Automatic liquid replenishing sub-boil high-purity water distiller Download PDFInfo
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- CN102976423B CN102976423B CN 201210567804 CN201210567804A CN102976423B CN 102976423 B CN102976423 B CN 102976423B CN 201210567804 CN201210567804 CN 201210567804 CN 201210567804 A CN201210567804 A CN 201210567804A CN 102976423 B CN102976423 B CN 102976423B
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Abstract
The invention relates to an automatic liquid replenishing sub-boil high-purity water distiller and relates to the technical field of high-purity water preparation. The automatic liquid replenishing sub-boil high-purity water distiller is characterized in that the bottom of a high-level glass jar is connected with a liquid replenishing connecting pipe, and the liquid replenishing connecting pipe is connected with a primary distilled water replenishing pipe; glass jar end closures are arranged at both ends of a glass jar cylindrical body; a floating ball is mounted at the top of a float switch device, and the floating ball is connected with sealing rod; the lower end of the sealing rod is connected with a dull polished sealing plug; the upper end of the sealing rod is provided with sealing rod threads; the dull polished sealing plug is located in a dull polished liquid replenishing port; and the dull polished liquid replenishing port is connected with the primary distilled water replenishing pipe. The automatic liquid replenishing sub-boil high-purity water distiller has the characteristics that the phenomenon that the distiller bursts due to dry heating caused by replenishing overtime is avoided, and the automatic replenishing can alleviate the fatigue of an operating person due to over N times of replenishing the primary distilled water in the whole process of secondary distilled water generation.
Description
Technical field
The automatic liquid supply Asia high purity water distiller that boils relates to the high purity water preparing technical field.
Background technology
Along with modernized scientific technological advance, usually require the high purity water supply, when especially adopting modern equipment to measure trace elements and micro-content organism, necessary instrument is absolutely necessary.
And general quartz still because of the boiling distillation, is carried the globule secretly in the gas, and gas-liquid separation is incomplete, causes water quality not high.
High purity water also claims redistilled water or double distilled water usually.The high purity water distiller boils in the quartzy Asia of existing preparation redistilled water, as depicted in figs. 1 and 2, comprise prolong outlet pipe 1, V-arrangement prolong 2, heating tube 3, glass pot 4, prolong inlet tube 5, first water liquid supplementation pipe 6, liquid-bearing pan 7, second distillation water outlet pipe 8, overflow port 9, V-arrangement prolong 2 is positioned at glass pot 4 tops, prolong outlet pipe 1 and pass glass pot 4 and glass pot 4 tank skin bonding connections by prolong inlet tube 5, heating tube 3 is that laterally " U " shape is managed, heating tube 3 is positioned at glass pot 4 middle and upper parts, pass glass pot 4 one side sidewalls and glass pot 4 tank skin bonding connections, second distillation water outlet pipe 8 is positioned at glass pot 4 bottom center, pass glass pot 4 and glass pot 4 bonding connections, liquid-bearing pan 7 is positioned at glass pot 4 central authorities, liquid-bearing pan 7 connects second distillation water outlet pipe 8, overflow port 9 and first water liquid supplementation pipe 6 lay respectively at glass pot 4 two bottom sides and pass glass pot 4 tank skins, with glass pot 4 bonding connections.During use, first water enters in the glass pot 4 by first water liquid supplementation pipe 6, by 3 pairs of first water radiation formula heating of heating tube, the evaporation of constantly vaporizing of single flash water surface, water of condensation enters V-arrangement prolong 2 by prolong inlet tube 5 and is flowed out by prolong outlet pipe 1, the water vapor of surface evaporation is condensed into the liquid pearl at the outer wall of V-arrangement prolong 2, liquid pearl gravitate, flow to " V " font bottom of V-arrangement prolong 2, drop onto in the liquid-bearing pan 7, flow out glass pot 4 collections through second distillation water outlet pipe 8 again and then make highly purified double distilled water.Chinese patent (CN2538783Y) discloses the quartzy Asia high purity water automatic distillation apparatus that boils, disclose: the power-supply controller of electric 27 that boils in the high purity water automatic distillation apparatus in quartzy Asia comprises diffluence room 271, ball float 272, insulating cover 273, stationary electrode 274, moving electrode 275, water inlet interface 276, water outlet interface 277, live wire in the individual event AC power is connected with 274 of stationary electrode, one end of resistance wire 32 is connected with ground wire in the individual event AC power, the other end is connected with moving electrode 275, ball float 272 is provided with tail rod 278, tail rod 278 passes the pilot hole on the insulating cover 273, ball float 272 upper surface A are provided with conducting electrode 279, are connected with lead (referring to specification sheets summary of the invention 2-4 section and the specification digest content of this utility model) between moving electrode 275 and conducting plates 279.The technical problem that this utility model can solve is: the problem of when prolong is anhydrous, how to cut off the power supply, and can not constantly cover first water.Chinese patent (CN2398260Y) discloses a kind of autostill, specifically disclosed following technical characterictic (referring to the 1st section of specification sheets page 1, accompanying drawing 1): moving water distillation apparatus 1 comprises cold water storage cistern 2 automatically, heating water tank 3, well heater 4 in the heating water tank 3, distilled water tank 6, base 5 and pilot circuit 10 are formed, cold water storage cistern 2 is built-in with automatic priming valve 9, heating water tank 3 has vapour pipe 7 to feed distilled water tank 6, distilled water tank 6 has the permeability cell 8 that is communicated with the external world, heating water tank 3 is communicated with cold water storage cistern 2: in order to realize adding automatically water, priming valve 9 is by the water inlet pin 9a that is connected running water pipe automatically, the ball float 9b that is enclosed within that water pin 9a into goes up and can fluctuates with water level and place in the ball float 9b and cooperates the pass water cap 9c composition that closes water with water inlet pin 9a.Be that cold water storage cistern is covered tap water, adding the water mode is to enter distillation system by water inlet pin 9a, again by gap up overflow of ball float 9b with water inlet pin 9a, is scattering into the single flash water surface of glass pot.
But the most thorny issue that exists in using is exactly, the every interval of whole process certain hour 20～30min at the preparation redistilled water replenishes first water in glass pot 4, the high purity water consumption is big in the scientific research, carry out scientific experiment on one side, also to prepare fresh redistilled water on the one hand, if operator replenish the first water time careless slightly surpassing, then the first water evaporation totally, the dry combustion method meeting sharply raises glass pot 4 interior temperature, glass pot 4 is burst, if redistilled water steams too much, the single flash water temp raises in the glass pot 4, injects cold fresh first water and also can break by cold and hot irregular glass pot 4 tank skins that cause in addition.The preparation personnel must very cautiously take into account the work of two aspects, in case take into account the generation serious consequence of not attending the meeting.
Summary of the invention
At the quartzy Asia of the prior art defective that the high purity water distiller exists of boiling, water intake mode as Chinese patent (CN2398260Y) employing: 9a enters distillation system by the water inlet pin, by gap up overflow of ball float 9b with water inlet pin 9a, be scattering into the single flash water surface of glass pot again.Exist in the bubble cover in the water and carry the globule secretly, gas-liquid separation is incomplete, causes the purity of the high purity water for preparing to descend.One of purpose of the present invention is that the regime flow that provides safe and reliable advances the device of the preparation redistilled water of first water continuously, avoid first water to replenish untimely and dry combustion method causes glass pot 4, or because of local superheating, cold and hot irregular and cause glassware to break;
Two of purpose of the present invention is to alleviate operator prepare many additional first water operations of N of whole process at redistilled water nervous fatigue;
But three of purpose of the present invention is to make the good manufacturability of this device, is easy to processing and fabricating.
For achieving the above object, the present invention by the following technical solutions:
One, the high purity water distiller boils in the automatic liquid supply Asia
1, the automatic liquid supply Asia high purity water distiller that boils comprises: prolong outlet pipe 1, V-arrangement prolong 2, heating tube 3, glass pot 4, prolong inlet tube 5, first water liquid supplementation pipe 6, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, pressure compensation opening 10, high-order glass pot 11, fluid infusion pipe connecting 12, make-up valve 13, glass pot cylindrical shell 14, glass pot end socket 15, floatswitch device 60, ball float 601, ball float screw 602, seal bar screw thread 603, seal bar 604, frosted sealing plug 605, frosted fluid infusion mouth 606; It is characterized in that: high-order glass pot 11 bottoms connect fluid infusion pipe connecting 12, and fluid infusion pipe connecting 12 connects first water liquid supplementation pipe 6, and make-up valve 13 is equipped with at fluid infusion pipe connecting 12 middle parts, and pressure compensation opening 10 is equipped with at high-order glass pot 11 tops; Glass pot cylindrical shell 14 two ends are glass pot end socket 15; Described floatswitch device 60, ball float 601 is equipped with at the top, and ball float 601 connects seal bar 604, and seal bar 604 lower ends connect frosted sealing plug 605, and there is seal bar screw thread 603 seal bar 604 upper ends, and frosted sealing plug 605 is positioned at frosted fluid infusion mouth 606; Frosted fluid infusion mouth 606 connects first water liquid supplementation pipe 6.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: ball float is equipped with ball float screw 602 601 times, and seal bar 604 upper ends are seal bar screw thread 603, and ball float 601 is connected with seal bar screw thread 603 by ball float screw 602 with seal bar 604.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: prolong outlet pipe 1, V-arrangement prolong 2, heating tube 3, glass pot 4, prolong inlet tube 5, first water liquid supplementation pipe 6, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, glass pot end socket 15, glass pot cylindrical shell 14 are silica glass material.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: described floatswitch device 60, ball float 601, ball float screw 602, seal bar screw thread 603, seal bar 604, frosted sealing plug 605, frosted fluid infusion mouth 606 are silica glass material.
The described automatic liquid supply Asia high purity water distiller that boils is characterized in that: described frosted sealing plug 605 is the outer frosted blocking of taper, and frosted fluid infusion mouth 606 is the interior frosted mouth supporting with frosted sealing plug 605.
The described automatic liquid supply Asia high purity water distiller that boils is characterized in that: described glass pot cylindrical shell 14 bottoms connect exhaust-valve 90.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: first water liquid supplementation pipe 6 is 90 ° bend pipe.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: pressure compensation opening 10, high-order glass pot 11, fluid infusion pipe connecting 12, make-up valve 13 are silica glass material.
Two, the automatic liquid supply Asia installation of high purity water distiller of boiling:
The boil installation of high purity water distiller of automatic liquid supply Asia is characterized in that: install as follows
Step 1: the hole of each size is got in the corresponding position on glass pot cylindrical shell 14, gets the open holes of heating tube 3 in the corresponding position of one of glass pot end socket 15;
Step 2: on glass pot cylindrical shell 14, weld bonding V-arrangement prolong 2, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, frosted fluid infusion mouth 606 successively; At the bonding heating tube 3 of glass pot end socket 15 welding;
Step 3: ball float 601 is bonding with 602 welding of ball float screw;
Step 4: with bonding ball float 601 and ball float screw 602 by in glass pot cylindrical shell 14, inserting frosted fluid infusion mouth 606, the upper end is had seal bar 604 that seal bar screw thread 603, lower end the have frosted sealing plug 605 frosted fluid infusion mouth 606 of packing into outside glass pot cylindrical shell 14, tighten by ball float screw 602 and seal bar screw thread 603 with ball float 601;
Step 5: the bonding first water liquid supplementation pipe 6 of frosted fluid infusion mouth 606 welding outside glass pot cylindrical shell 14;
Step 6: with glass pot cylindrical shell 14 two ends welding adhering glass potting 15;
Step 7: first water liquid supplementation pipe 6 is connected with high-order glass pot 11 by fluid infusion pipe connecting 12, finishes installation.
Beneficial effect
Thoroughly stop because replenishing the unsafe factor that the overtime dry combustion method of first water bursts; Water inlet can make the first water in the glass pot 4 remain on metastable heated perimeter continuously, avoids local superheating, breaks because of the cold and hot irregular glass pot 4 that causes when replenishing first water; The continuous water inlet of regime flow can make operator carry out redistilled water generation operation whole process and be easy to control, alleviates owing to the fatigue in many additional first waters operations of the N of redistilled water generation whole process, provides more times to the scientific research personnel; Auxiliary glass instrument selection silica glass material can be avoided with impurity harmful in the first water, as detrimental impurity such as metal ions; But the good manufacturability of this device.
Description of drawings
Fig. 1: boil high purity water distiller front view the quartzy Asia of prior art;
Fig. 2: boil high purity water distiller vertical view the quartzy Asia of prior art;
Fig. 3: high purity water distiller front view boils in the automatic liquid supply Asia;
Fig. 4: high purity water distiller vertical view boils in the automatic liquid supply Asia;
Fig. 5: the local amplification profile of I.
Among the figure: the outlet of 1 prolong, 2V shape prolong, 3 heating tubes, 4 glass pots, 5 prolong entrances, 6 first water liquid supplementation pipe, 7 liquid-bearing pans, 8 second distillation water outlet pipes, 9 overflow ports, 90 exhaust-valves, 10 pressure compensation openings, 11 high-order glass pots, 12 fluid infusion pipe connectings, 13 make-up valve, 14 glass pot cylindrical shells, 15 glass pot end sockets, 60 floatswitch devices, 601 ball floats, floating 602 ball screws, 603 seal bar screw threads, 604 seal bar, 605 frosted sealing plugs, 606 frosted fluid infusion mouths.
Embodiment
The present invention will be further described with reference to drawings and Examples
The automatic liquid supply Asia high purity water distiller that boils comprises: prolong outlet pipe 1, V-arrangement prolong 2, heating tube 3, glass pot 4, prolong inlet tube 5, first water liquid supplementation pipe 6, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, pressure compensation opening 10, high-order glass pot 11, fluid infusion pipe connecting 12, make-up valve 13, glass pot cylindrical shell 14, glass pot end socket 15, floatswitch device 60, ball float 601, ball float screw 602, seal bar screw thread 603, seal bar 604, frosted sealing plug 605, frosted fluid infusion mouth 606; It is characterized in that: high-order glass pot 11 bottoms connect fluid infusion pipe connecting 12, and fluid infusion pipe connecting 12 connects first water liquid supplementation pipe 6, and pressure compensation opening 10 is equipped with at high-order glass pot 11 tops; Glass pot cylindrical shell 14 two ends are glass pot end socket 15; Described floatswitch device 60, ball float 601 is equipped with at the top, and ball float 601 connects seal bar 604, and seal bar 604 lower ends connect frosted sealing plug 605, and there is seal bar screw thread 603 seal bar 604 upper ends, and frosted sealing plug 605 is positioned at frosted fluid infusion mouth 606; Frosted fluid infusion mouth 606 connects first water liquid supplementation pipe 6.
Described floatswitch device 60 is characterized in that: ball float is equipped with ball float screw 602 601 times, and seal bar 604 upper ends are seal bar screw thread 603, and ball float 601 is connected with seal bar screw thread 603 by ball float screw 602 with seal bar 604.Ball float 601 adopts the screw thread screw of ball float screw 602 and seal bar screw thread 603 to be connected with seal bar 604 and can avoid welding bonding inconvenience at glass pot cylindrical shell 14.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: make-up valve 13 is equipped with at fluid infusion pipe connecting 12 middle parts; Close when being convenient to stop using, and can close header tank when cleaning, change other used scavenging solutions.
Described glass pot cylindrical shell 14 bottoms connect exhaust-valve 90, are convenient to use first preceding or use cleaning after a stage.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: prolong outlet pipe 1, V-arrangement prolong 2, heating tube 3, glass pot 4, prolong inlet tube 5, first water liquid supplementation pipe 6, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, glass pot end socket 15, glass pot cylindrical shell 14 are silica glass material.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: described floatswitch device 60, ball float 601, ball float screw 602, seal bar screw thread 603, seal bar 604, frosted sealing plug 605, frosted fluid infusion mouth 606 are silica glass material.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: first water liquid supplementation pipe 6 is 90 ° bend pipe.
The described automatic liquid supply Asia high purity water distiller that boils, it is characterized in that: pressure compensation opening 10, high-order glass pot 11, fluid infusion pipe connecting 12, make-up valve 13 are silica glass material.
Carry out the preparation of redistilled water during use by following steps:
Step 1: inject first water first, open make-up valve 13 first water in the high-order glass pot 11 is entered in the fluid infusion pipe connecting 12, be injected in the glass pot 4 by first water liquid supplementation pipe 6;
Step 2: along with the rising that flow into the first water liquid level in the glass pot 4, ball float 601 rises, and moves on the drive seal bar 604, makes frosted sealing plug 605 clog frosted fluid infusion mouth 606, and feed liquor stops;
Step 2: begin to prepare redistilled water, connect power supply, first water in the glass pot 4 is heated, and unlatching water of condensation, make water of condensation enter V-arrangement prolong 2 by prolong inlet tube 5, along with continuous heating, occur the redistilled water drop of condensation after the single flash water vapor at V-arrangement prolong 2 tube walls, after the drop of redistilled water splashes into liquid-bearing pan 7, inserted in the collection container by the second distillation water outlet pipe;
Step 4: along with the continuous collection of redistilled water in the glass pot 4, liquid level descends in jar, ball float 601 descends, frosted sealing plug 605 breaks away from frosted fluid infusion mouth 606, first water in the header tank 11 begins to enter in the glass pot 4 again, along with the continuous rising of feed liquor amount, the slit dwindles gradually, until stopping fluid infusion; Move in circles and reach the purpose of automatic liquid supply.
Described first water liquid supplementation pipe 6 is 90 ° bend pipe, and its effect has two, and the first connects header tank and needs turnover, and its two more important role is to hold up frosted sealing plug 605, and the tapping excessive velocities makes ball float 601 directly strike glass pot cylindrical shell 14 when cleaning.
The boil installation method of high purity water distiller of automatic liquid supply Asia is characterized in that: install as follows:
Step 1: the open holes of each size is got in the corresponding position on glass pot cylindrical shell 14, gets the open holes of heating tube 3 in the corresponding position of one of glass pot end socket 15;
Step 2: on glass pot cylindrical shell 14, weld bonding V-arrangement prolong 2, liquid-bearing pan 7, second distillation water outlet pipe 8, exhaust-valve 90, frosted fluid infusion mouth 606 successively; At the bonding heating tube 3 of glass pot end socket 15 welding;
Step 3: ball float 601 is bonding with 602 welding of ball float screw;
Step 4: with bonding ball float 601 and ball float screw 602 by in glass pot cylindrical shell 14, inserting frosted fluid infusion mouth 606, the upper end is had seal bar 604 that seal bar screw thread 603, lower end the have frosted sealing plug 605 frosted fluid infusion mouth 606 of packing into outside glass pot cylindrical shell 14, tighten by ball float screw 602 and seal bar screw thread 603 with ball float 601;
Step 5: the bonding first water liquid supplementation pipe 6 of frosted fluid infusion mouth 606 welding outside glass pot cylindrical shell 14;
Step 6: with glass pot cylindrical shell 14 two ends welding adhering glass potting 15;
Step 7: first water liquid supplementation pipe 6 is connected with high-order glass pot 11 by fluid infusion pipe connecting 12, finishes installation.
Except the described feature of this specification sheets, be the known knowledge of one of ordinary skill in the art.
Claims (6)
1. the automatic liquid supply Asia high purity water distiller that boils comprises prolong outlet pipe, V-arrangement prolong, heating tube, glass pot, prolong inlet tube, first water liquid supplementation pipe, liquid-bearing pan, second distillation water outlet pipe, exhaust-valve, pressure compensation opening, high-order glass pot, fluid infusion pipe connecting, make-up valve, glass pot end socket, glass pot cylindrical shell, floatswitch device, ball float, ball float screw, seal bar screw thread, seal bar, frosted sealing plug, frosted fluid infusion mouth; It is characterized in that: high-order glass pot bottom connects the fluid infusion pipe connecting, and the fluid infusion pipe connecting connects the first water liquid supplementation pipe, and pressure compensation opening is equipped with at high-order glass pot top; Glass pot cylindrical shell two ends are the glass pot end socket; Described floatswitch device, ball float is equipped with at the top, and ball float connects seal bar, and the seal bar lower end connects the frosted sealing plug, and the seal bar upper end has seal bar screw thread, frosted sealing plug to be positioned at frosted fluid infusion mouth; Frosted fluid infusion mouth connects the first water liquid supplementation pipe;
Described floatswitch device is equipped with the ball float screw under the ball float, the seal bar upper end is the seal bar screw thread, and ball float is threaded by ball float screw and seal bar with seal bar;
Prolong outlet pipe, V-arrangement prolong, heating tube, glass pot, prolong inlet tube, first water liquid supplementation pipe, liquid-bearing pan, second distillation water outlet pipe, exhaust-valve, glass pot end socket, glass pot cylindrical shell are silica glass material;
Described floatswitch device, ball float, ball float screw, seal bar screw thread, seal bar, frosted sealing plug, frosted fluid infusion mouth are silica glass material.
2. the automatic liquid supply as claimed in claim 1 Asia high purity water distiller that boils, it is characterized in that: make-up valve is equipped with at fluid infusion pipe connecting middle part.
3. the automatic liquid supply as claimed in claim 1 Asia high purity water distiller that boils, it is characterized in that: described frosted sealing plug (605) is the outer frosted blocking of taper, and frosted fluid infusion mouth (606) is the interior frosted mouth supporting with frosted sealing plug (605).
4. the automatic liquid supply as claimed in claim 1 Asia high purity water distiller that boils, it is characterized in that: described glass pot cylindrical shell bottom connects exhaust-valve.
5. the automatic liquid supply as claimed in claim 1 Asia high purity water distiller that boils, it is characterized in that: the first water liquid supplementation pipe is 90 ° bend pipe.
6. the automatic liquid supply as claimed in claim 1 Asia high purity water distiller that boils, it is characterized in that: pressure compensation opening, high-order glass pot, fluid infusion pipe connecting, make-up valve are silica glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210567804 CN102976423B (en) | 2012-12-24 | 2012-12-24 | Automatic liquid replenishing sub-boil high-purity water distiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210567804 CN102976423B (en) | 2012-12-24 | 2012-12-24 | Automatic liquid replenishing sub-boil high-purity water distiller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102976423A CN102976423A (en) | 2013-03-20 |
| CN102976423B true CN102976423B (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210567804 Expired - Fee Related CN102976423B (en) | 2012-12-24 | 2012-12-24 | Automatic liquid replenishing sub-boil high-purity water distiller |
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| CN (1) | CN102976423B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214048A (en) * | 2013-04-22 | 2013-07-24 | 济南大学 | Multi-level combined type secondary distillation heat control ultrapure water continuous generator |
| CN103232082B (en) * | 2013-04-22 | 2014-02-26 | 济南大学 | Double adjusting combined type high-purity water continuous still |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2398260Y (en) * | 1999-12-05 | 2000-09-27 | 黎焯雄 | Automatic distilled water apparatus |
| CN2538783Y (en) * | 2002-03-01 | 2003-03-05 | 曾宾 | Quartz subnormal boiling high-pure water automatic distiller |
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2012
- 2012-12-24 CN CN 201210567804 patent/CN102976423B/en not_active Expired - Fee Related
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| CN102976423A (en) | 2013-03-20 |
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Granted publication date: 20130911 Termination date: 20171224 |