CN209411827U - Integral electric heating multiple effect distillator - Google Patents
Integral electric heating multiple effect distillator Download PDFInfo
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- CN209411827U CN209411827U CN201822073402.0U CN201822073402U CN209411827U CN 209411827 U CN209411827 U CN 209411827U CN 201822073402 U CN201822073402 U CN 201822073402U CN 209411827 U CN209411827 U CN 209411827U
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- electric heating
- water
- tower
- evaporating
- distilled water
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Abstract
The utility model discloses a kind of Integral electric heating multiple effect distillators.It includes electric heating destilling tower, four evaporating columns, five preheaters, two pipe type heat transfer condensers and electric-control system；Electric heating destilling tower lower part is electric heating room；Electric heating room top sets electrically heated raw water water supplement port；Exchange column is distilled in electric heating, the bottom raw material water out of evaporating column is connect with the feed water inlet of next tower；Electric heating destilling tower, evaporating column the top distillation water inlet of middle part distilled water outlet and next tower connect；The upper steam outlet of electric heating destilling tower, evaporating column is connect with the upper steam entrance of the preheater of the tower side；The lower steam outlet of previous preheater is connect with the upper steam entrance of next preheater.The steam that the multiple effect distillator is generated using electric heating provides exchange heat source as exchange media for multiple effect distillator, carries out five effect heating distillations to raw water using five distillation evaporating columns, the distilled water for meeting standards of pharmacopoeia can be prepared.
Description
Technical field
The utility model belongs to laboratory equipment technical field, is related to a kind of Integral electric heating multiple effect distillator.
Background technique
Center For Research And Development of Pharmaceutical or assay laboratory require to use injection water during carrying out drug lab scale, pilot scale etc.,
This injection water is typically all to pass through injection water dispenser to generate.And existing injection water dispenser is essentially all to be made using industrial steam
For the medium of heat exchange, this just needs scene to provide the industrial steam of saturation, and industrial steam is real in research and development centre or analysis
Testing room can not have, and can only just heat at present using outsourcing channel or with electrically heated quartz ampoule, outsourcing channel exists
The risk of water pollution, and electrically heated quartz ampoule flow is very small, as soon as hours at most only 5 liters of production water, this is serious
The usage amount of injection water is constrained, while can also generate a large amount of cooling waste water.It is unable to satisfy medicament research and development in many cases
Injection water water demand.Therefore, it is necessary to develop a kind of steam for using electric heating to generate to provide as heat source for injection water dispenser
Heat source, the equipment that water production can sufficiently meet the water demand of medicament research and development.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of steam work generated using electric heating
Heat source is provided for injection water dispenser for heat source, water production can sufficiently meet the Integral electric heating multiple-effect of the water demand of medicament research and development
Distiller.
The technical solution of the utility model is as follows:
A kind of Integral electric heating multiple effect distillator of the utility model, it include sequentially connected electric heating destilling tower (i.e.
Electric heater), four evaporating columns (i.e. No.1 evaporating column, No. three evaporating columns of No. two evaporating columns, No. four evaporating columns), further include being located at
The side of electric heating destilling tower and four evaporating columns, five preheaters being connect respectively with electric heating destilling tower, four evaporating columns
(tubing heat exchanger preheated) further includes two pipe type heat transfer condenser (double tubesheets connecting with the last one preheater
Heat exchanger) and electric-control system；The lower part of the electric heating destilling tower is electric heating room, and the bottom of electric heating room is equipped with power supply
Connection jaws；The top of electric heating room is equipped with electric heating raw water water supplement port；The first pipe type heat transfer condenser walks original in pipe
Expect that water, shell walk distilled water and without heat source stream, feed water inlet is connected by raw material water pump and untreated feed water inlet
It connects, the raw material water out after preheating is connect with the feed water inlet of the 5th preheater, distills water inlet and the 4th evaporating column
Distilled water outlet connection, exporting without heat source stream for no heat source stream entrance and the 5th preheater connects, after cooling down
Distilled water outlet is connect with the distillation water inlet of the second pipe type heat transfer condenser；The second pipe type heat transfer condenser, pipe
Inside walk cooling water, shell walks distilled water, the distilled water outlet after cooling respectively with qualified distilled water outlet, unqualified distilled water
Outlet connection；Electric heating destilling tower, evaporating column bottom raw material water out connect with the feed water inlet of next tower；Electric heating
Destilling tower, evaporating column the top distillation water inlet of middle part distilled water outlet and next tower connect；Electric heating destilling tower, evaporation
The upper steam outlet of tower is connect with the upper steam entrance of the preheater of the tower side；The lower steam of previous preheater goes out
Mouth is connect with the upper steam entrance of next preheater.
Further, the evaporating column is standpipe falling film type evaporation tower, which includes vaporization chamber, spiral centrifugal point
It disembarks structure；Spiral centrifuge structure is the steam separation knot for being located at a kind of bidirectional screw centrifuge separation formula inside vaporization chamber
Structure.
Further, the electric heating destilling tower is standpipe falling film type destilling tower comprising electric heating room, vaporization chamber；
Spiral centrifuge structure is equipped in vaporization chamber.
Further, the Integral electric heating multiple effect distillator further includes a pipe heat exchanger, is walked in pipe cold
But water, shell feed water inlet are connect with the bottom raw material water out of the 4th evaporating column.
Further, the pipe type heat transfer condenser overhead is equipped with air breather.Tower top is distilled in the electric heating
Portion is equipped with safety valve and steam pressure gauge.
Further, the distilled water outlet pipeline after cooling is equipped with distillation water ga(u)ge, sampling valve；Raw material exit of pump
Pipeline is equipped with check-valves, raw water water inlet pneumatic operated valve, feed water flow meter.
Further, the electric-control system includes operation of electrical appliances case, and controller, touch screen, steaming are housed on operation of electrical appliances case
Distilled water humidostat, distilled water conductivity gauge, alarm, indicator light and button.Distilled water lower water temperature instrument controls to adjust distillation
Water outlet temperature.Distilled water conductivity gauge shows the quality of distilled water.When production process breaks down, controller can start in time
Alarm, and make necessary production process adjustment.
Working principle of the utility model is: the raw water (RO water) from purifying water tank passes through pipe type heat transfer condenser, then
It preheats by 5 preheaters, after so that thermal energy is fully used, into electric heating destilling tower, is added by electric heater repeatedly
Thermogenetic industrial steam carries out thermal medium exchange and becomes pure steam, and pure steam sequentially enters No.1 evaporating column, No. two steamings again
Tower, No. three evaporating columns, No. four evaporating columns are sent out, thermal energy exchange becomes distilled water after absorbing, obtains the distilled water of very high purity.Its
In, electric heating destilling tower is that water is heated to be industrial steam by normal-temperature water by electric heating thermal resistance by tap water, with industrial steam
As heat exchange medium, heat is carried out with raw water and is exchanged；It is raw water by preheating again in four evaporating columns below
It is heated to the process of evaporation.
The utility model has the beneficial effects that
The Integral electric heating multiple effect distillator of the utility model generates steam as heat source using electric heating, is multiple-effect
Distiller provides itself heat source of needs, and water water quality processed can also sufficiently meet the demand of the injection water quality of client.
The Integral electric heating multiple effect distillator of the utility model, using five distillation evaporating columns (electric heating destilling towers, one
Number evaporating column, No. two evaporating columns, No. three evaporating columns, No. four evaporating columns) five effect heating distillations are carried out to raw water, it can be prepared into
To the distilled water (effluent quality meets 2015 editions injection water water standards of national standard) for meeting standards of pharmacopoeia, it can sufficiently meet experiment
The water for injection of room needs.
The Integral electric heating multiple effect distillator of the utility model preheats raw water using five preheaters step by step
Exchange, takes full advantage of heat, saves energy consumption.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Integral electric heating multiple effect distillator of the utility model.
In figure: 1, electric heating destilling tower 2, the first evaporating column 3, the second evaporating column 4, third evaporating column the 5, the 4th evaporate
Tower 6, the first preheater 7, the second preheater 8, third preheater 9, the 4th preheater 10, the 5th preheater 11, first
It is pipe type heat transfer condenser 12, the second pipe type heat transfer condenser 13, pipe heat exchanger 14, cooling water water inlet control valve 15, cold
But water outlet water control valve 16, qualified distilled water outlet water control valve 17, unqualified distilled water outlet water control valve 18, raw material water pump
19, check-valves 20, raw water water inlet pneumatic operated valve 21, feed water flow meter 22, distillation water ga(u)ge 23, sampling valve 24, air
Breather valve 25, safety valve 26, steam pressure gauge 27, power supply wiring mouth 28, not Condensate Controlling Equipment valve
A, electric heating raw water water supplement port b, steam condensate (SC) export c, untreated feed water inlet
D, condensate does not export i, qualified distilled water outlet j, unqualified distilled water outlet
H, discharge outlet after the unevaporated raw water cooling of the unevaporated raw material water out k of end effect, end effect
Specific embodiment
The utility model is further described below in conjunction with drawings and examples.
Embodiment
As shown in Figure 1, a kind of Integral electric heating multiple effect distillator of the utility model, it includes a sequentially connected electricity
Heat destilling tower 1 (i.e. electric heater), four evaporating columns (the first evaporating column 2, the second evaporating column 3, the steamings of third evaporating column the 4, the 4th
Send out tower 5), further include the side for being located at electric heating destilling tower and four evaporating columns, respectively with electric heating destilling tower, four evaporating columns
Five preheaters (tubing heat exchanger preheated, the first preheater 6, the second preheater 7, third preheater 8, the of connection
Four preheaters 9, the 5th preheater 10), it further include that two tubular types connecting with the last one preheater (the 5th preheater 10) are changed
Reheater condenser (the first pipe type heat transfer condenser 11, the second pipe type heat transfer condenser 12, be double tube plate heat exchanger) and automatically controlled
System；The lower part of electric heating destilling tower 1 is electric heating room, has electric heating thermal resistance in electric heating room, the bottom of electric heating room is equipped with
Power supply wiring mouth 27；The top of electric heating room is equipped with electric heating raw water water supplement port a；The first pipe type heat transfer condenser 11,
Walk raw water in its pipe, shell walks distilled water and without heat source stream, feed water inlet by raw material water pump 18 with it is untreated
Feed water inlet c connection, the raw material water out after preheating are connect with the feed water inlet of the 5th preheater, distill water inlet
It is connect with the distilled water outlet of the 4th evaporating column, no heat source stream entrance and exporting without heat source stream for the 5th preheater connect
It connects, the distilled water outlet after cooling is connect with the distillation water inlet of the second pipe type heat transfer condenser；Second tubular type is changed
Reheater condenser 12 walks cooling water in pipe, and shell walks distilled water, and the distilled water outlet after cooling goes out with qualified distilled water respectively
Mouth i, unqualified distilled water outlet j connection；Distilled water outlet pipeline after cooling is equipped with distillation water ga(u)ge 22, sampling valve
23；Raw material pump outlet tube line is equipped with check-valves 19, raw water water inlet pneumatic operated valve 20, feed water flow meter 21；Electric heating distillation
Tower, evaporating column bottom raw material water out connect with the feed water inlet of next tower；The middle part of electric heating destilling tower, evaporating column
Distilled water outlet is connect with the top of next tower distillation water inlet；Electric heating destilling tower, evaporating column upper steam outlet with
The upper steam entrance of the preheater of the tower side connects；Lower steam outlet and the next preheater of previous preheater
The connection of upper steam entrance.
The evaporating column (the first evaporating column 2, the second evaporating column 3, third evaporating column 4, the 4th evaporating column 5) is standpipe drop
Film-Column, the evaporating column include vaporization chamber, spiral centrifuge structure；Spiral centrifuge structure is located in vaporization chamber
A kind of steam separated structure of the bidirectional screw centrifuge separation formula in face.
The electric heating destilling tower 1 is standpipe falling film type destilling tower comprising electric heating room and vaporization chamber；In vaporization chamber
Equipped with spiral centrifuge structure.
Two pipe type heat transfer condensers (the first pipe type heat transfer condenser 11, the second pipe type heat transfer condenser 12)
For double tube plate heat exchanger, it is located at the front end of package unit, connect with the last one preheater (the 5th preheater 10), it is played
The effect given hot charge water, adjust distilled water leaving water temperature.
Air breather 24 is equipped at the top of the first pipe type heat transfer condenser 11.The electric heating destilling tower 1 pushes up
Portion is equipped with safety valve 25 and steam pressure gauge 26.
In the end of package unit, it is additionally provided with a pipe heat exchanger 13, cooling water is walked in pipe, shell raw water enters
Mouth is connect with the bottom raw material water out of the 4th evaporating column 5, which is used to drop the unevaporated raw water of end effect
It is discharged after temperature.
The electric-control system includes operation of electrical appliances case, and controller, Siemens's touch screen, distilled water are housed on operation of electrical appliances case
Humidostat, distilled water conductivity gauge, alarm, indicator light and button.Distilled water lower water temperature instrument controls to adjust distilled water and goes out
Mouth temperature.Distilled water conductivity gauge shows the effluent quality of distilled water.When production process breaks down, controller can start in time
Alarm, and make necessary production process adjustment.
The Integral electric heating multiple effect distillator (distillation machine) of the utility model, including distilled water host and automatically controlled system
System；Distilled water host complete machine mainly includes that (structure is standpipe falling liquid film to 1, four evaporating column of an electric heating destilling tower, is inside set two-way
Spiral centrifugal separator), five preheaters, two pipe type heat transfer condensers, a pipe heat exchanger 13；Distilled water host is also
Including electric heating raw water inlet valve, raw water water inlet operated pneumatic valve, cooling water inlet valve, distilled water outlet two-position three way
Valve, feed water flow meter and related pipeline valve etc..In addition to electric-control system, other all components are all disposed within distilled water host
Rack on.
Electric heating destilling tower, evaporating column in the utility model select quality material: heating room, vaporization chamber, spiral from
Centrifugal separator structure, technique pipe valve and interface are made of DIN1.4435 (316L) stainless steel completely, and surface is using at acid wash passivation
Reason.Pipe joint and valve select electrobrightening material.Piping connection is welded using automatic orbit.Washer uses polytetrafluoroethylene (PTFE)
Or meet the material of GMP requirement.Frame is done using DIN14301 (AISI304) stainless steel, door, other plate protect structure.
Working principle of the utility model is: the raw water (RO water) from purifying water tank passes through pipe type heat transfer condenser, then
It preheats by 5 preheaters, after so that thermal energy is fully used, into electric heating destilling tower, is added by electric heater repeatedly
Thermogenetic industrial steam carries out thermal medium exchange and becomes pure steam, and pure steam sequentially enters No.1 evaporating column, No. two steamings again
Tower, No. three evaporating columns, No. four evaporating columns are sent out, thermal energy exchange becomes distilled water after absorbing, obtains the distilled water of very high purity.Its
In, electric heating destilling tower is that water is heated to be industrial steam by normal-temperature water by electric heating thermal resistance by tap water, with industrial steam
As heat exchange medium, heat is carried out with raw water and is exchanged；It is raw water by preheating again in four evaporating columns below
It is heated to the process of evaporation.
The workflow of the utility model is as follows:
Firstly, electric heating raw water to be introduced to the electric heating room of electric heating destilling tower 1 from electric heating raw water water supplement port a, pass through
The power supply wiring mouth 27 of electric heating distillation tower bottom powers on, and generates steam.
Then, the raw material water pump 18 for starting distillation machine, by raw water (untreated raw water, also known as feed water) by
Untreated feed water inlet C imports distillation machine and reaches the first pipe type heat transfer condenser 11, in the first pipe type heat transfer condenser
In 11, distilled water and (the 5th preheats from the last one preheater that raw water is come out from the last one tower (No. four evaporating columns 5)
Device 10) come out without heat source stream preheat, raw water flow out the first pipe type heat transfer condenser 11 temperature at 50-60 DEG C, then
Flow successively through No. four evaporating columns, No. three evaporating columns, No. two evaporating columns, No.1 evaporating column, electric heating destilling tower preheater (i.e. according to
It is secondary to flow through the 5th preheater 10, the 4th preheater 9, third preheater 8, the second preheater 7, the first preheater 6), make raw water
Further heating, when raw water enters the tower from the bottom of electric heating destilling tower 1, preheating temperature has reached 70-80 DEG C；It is former
Material water enters in electric heating destilling tower behind middle and upper part through tower internal pipeline again, flows down along tower inner surface in film-form；Add from electricity
The electric heating raw water that pyrogen water water supplement port a comes in enters the electric heating room of electric heating destilling tower, and evaporation becomes to steam after being electrically heated
Vapour；The steam is as heat exchange medium, into the upper section vaporization chamber of electric heating destilling tower, and from the middle and upper part of electric heating destilling tower
The raw water flow down carries out heat exchange；The raw material coolant-temperature gage after heat exchange, which is carried out, with steam reaches 120 DEG C or so, a part
Raw material water evaporation becomes steam, and a part of steam comes out from the top of the tower, into the upper steam of the preheater of the tower side
Entrance, the top that another part steam reaches tower mostly become distilled water (entrainment of steaming in the distilled water after being condensed
Vapour), it is come out from the middle part distilled water outlet of the tower, distills water inlet into the top of next tower (the first evaporating column 2), it is small
Never condensate outlet d is ejected and (is controlled by not Condensate Controlling Equipment valve 28) the uncooled not condensate in part；Another part raw water
It does not evaporate and is admitted to next tower (the first evaporating column 2) as raw water, into the bottom of next tower (the first evaporating column 2) original
Expect water inlet；The condensed water of steam after preheated device heat exchange is exported from steam condensate (SC) outlet b.
Similarly, in four evaporating columns, raw water enters from tower bottom, then enters vaporization chamber in tower through tower interior conduit
Afterwards, raw water is flowed down in film-form along tower inner surface and is evaporated rapidly, and a part of raw water is heated by steam vaporization (evaporation)
Afterwards, the most of steam and the condensed distilled water of steam that generate are used as the heating source of next tower, into next tower
Top, the top that fraction steam enters the preheater of the tower side are used for preheating material water；Another part raw water does not evaporate
Next tower is admitted to as raw water, into the bottom of next tower.From electric heating destilling tower to No.1 evaporating column, No. two steamings
Tower, No. three evaporating columns, No. four evaporating columns are sent out, and so on, distilled water, steam and raw water sequentially enter No.1 evaporating column, two
Number evaporating column, No. three evaporating columns, No. four evaporating columns；The high-purity qualification distilled water finally come out from No. four evaporating columns and remaining steaming
Vapour introduces pipe type heat transfer condenser (first passing through the first pipe type heat transfer condenser 11 using the second pipe type heat transfer condenser 12), quilt
Raw water and cooling water cooling and condensation, finally, the water from the second pipe type heat transfer condenser 12 outlet outflow is exactly distilled water.
The quality of the distilled water finally flowed out is controlled by distilled water conductivity gauge, if distillation water quality meets pharmacopeia 2015 editions notes
The requirement of jetting matter then exports (being controlled by qualified distilled water outlet water control valve 16) from qualified distilled water outlet i；If distilling water quality
Requirement against regulation then exports (being controlled by unqualified distilled water outlet water control valve 17) from unqualified distilled water outlet j.It steams
Distilled water outlet temperature is 90 DEG C~99 DEG C, is controlled by chilled water modulation system (cooling water water inlet control valve 14).
Remaining unevaporated raw water in four evaporating columns, containing all impurity assembled in distillation process, these are not
The raw water of evaporation from the bottom raw material water out of the 4th evaporating column 5 (when i.e. the unevaporated raw material water out h) of end effect comes out,
Temperature is more than 90 DEG C, (is dropped in pipe heat exchanger 13 by cooling water after pipe heat exchanger 13 is cooled to 20-30 DEG C
The leaving water temperature of temperature, cooling water is controlled by cooling water outlet water control valve 15), it is discharged after the unevaporated raw water cooling of end effect
Mouthful k emit (thus can safety dumping to sewer pipe, sewer pipe will not be scorched).
When needing output pure steam, pure steam output can be automatically switched, meet system requirements.
Claims (7)
1. a kind of Integral electric heating multiple effect distillator, which is characterized in that it includes sequentially connected electric heating destilling tower, No.1
Evaporating column, No. two evaporating columns, No. three evaporating columns, No. four evaporating columns further include being located at electric heating destilling tower and four evaporating columns
Side, five preheaters connecting respectively with electric heating destilling tower, four evaporating columns, further include connecting with the last one preheater
Two pipe type heat transfer condensers i.e. the first pipe type heat transfer condenser, the second pipe type heat transfer condenser and electric-control system；It is described
The lower part of electric heating destilling tower is electric heating room, and the bottom of electric heating room is equipped with power supply wiring mouth；The top of electric heating room is equipped with
Electric heating raw water water supplement port；The first pipe type heat transfer condenser walks raw water in pipe, and shell walks distilled water and without heat source
Steam, feed water inlet connects by raw material water pump with untreated feed water inlet, raw material water out after preheating and
The feed water inlet of 5th preheater connects, and distillation water inlet is connect with the distilled water outlet of the 4th evaporating column, no heat source
Steam inlet and exporting without heat source stream for the 5th preheater connect, and the distilled water outlet and the second pipe type heat transfer after cooling are cold
The distillation water inlet of condenser connects；The second pipe type heat transfer condenser walks cooling water in pipe, and shell walks distilled water,
Distilled water outlet after cooling is connect with qualified distilled water outlet, unqualified distilled water outlet respectively；Electric heating destilling tower, evaporation
The bottom raw material water out of tower is connect with the feed water inlet of next tower；The middle part distilled water of electric heating destilling tower, evaporating column
It exports and is connect with the top of next tower distillation water inlet；By electric heating destilling tower, the upper steam outlet of evaporating column and the tower
The upper steam entrance of the preheater of side connects；The lower steam outlet of previous preheater and the top of next preheater are steamed
The connection of vapour entrance.
2. Integral electric heating multiple effect distillator as described in claim 1, which is characterized in that the evaporating column is standpipe drop
Film-Column, the evaporating column include vaporization chamber, spiral centrifuge structure；Spiral centrifuge structure is located in vaporization chamber
A kind of steam separated structure of the bidirectional screw centrifuge separation formula in face.
3. Integral electric heating multiple effect distillator as described in claim 1, which is characterized in that the electric heating destilling tower is
Standpipe falling film type destilling tower comprising electric heating room, vaporization chamber；Spiral centrifuge structure is equipped in vaporization chamber.
4. Integral electric heating multiple effect distillator as described in claim 1, which is characterized in that the Integral electric heating is more
Imitating distiller further includes a pipe heat exchanger, and cooling water, the bottom of shell feed water inlet and the 4th evaporating column are walked in pipe
The connection of portion's raw material water out.
5. Integral electric heating multiple effect distillator as described in claim 1, which is characterized in that the pipe type heat transfer condenser
Top is equipped with air breather；Safety valve and steam pressure gauge are equipped at the top of the electric heating destilling tower.
6. Integral electric heating multiple effect distillator as claimed in claim 3, which is characterized in that the distilled water outlet pipe after cooling
Line is equipped with distillation water ga(u)ge, sampling valve；Raw material pump outlet tube line be equipped with check-valves, raw water water inlet pneumatic operated valve, into
Water ga(u)ge.
7. Integral electric heating multiple effect distillator as described in claim 1, which is characterized in that the electric-control system includes electric appliance
Control box, on operation of electrical appliances case equipped with controller, touch screen, distilled water humidostat, distilled water conductivity gauge, alarm, refer to
Show lamp and button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073402.0U CN209411827U (en) | 2018-12-11 | 2018-12-11 | Integral electric heating multiple effect distillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073402.0U CN209411827U (en) | 2018-12-11 | 2018-12-11 | Integral electric heating multiple effect distillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209411827U true CN209411827U (en) | 2019-09-20 |
Family
ID=67937577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822073402.0U Expired - Fee Related CN209411827U (en) | 2018-12-11 | 2018-12-11 | Integral electric heating multiple effect distillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209411827U (en) |
-
2018
- 2018-12-11 CN CN201822073402.0U patent/CN209411827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 200444, 3 storey building, 255 Garden Road, one or two, Shanghai, Baoshan District Patentee after: Shanghai Chuangyang water treatment equipment Co.,Ltd. Address before: 200020 Three First and Second Floor Workshops, No. 255 Yuanhui Road, Baoshan District, Shanghai Patentee before: SHANGHAI CHONGYANG WATER TREATMENT EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20211211 |