CN106439766A - Steam production device and direct compression type heat pump system - Google Patents
Steam production device and direct compression type heat pump system Download PDFInfo
- Publication number
- CN106439766A CN106439766A CN201610876585.2A CN201610876585A CN106439766A CN 106439766 A CN106439766 A CN 106439766A CN 201610876585 A CN201610876585 A CN 201610876585A CN 106439766 A CN106439766 A CN 106439766A
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- Prior art keywords
- low
- steam
- hot water
- pump
- heat exchanger
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a steam production device and a direct compression type heat pump system. The heat pump system comprises the steam production device, a heated hot water outlet pipe, a condensation heat exchanger, a water to be heated inlet pipe, a steam input pipe and a vacuum connection pipe, wherein a steam compression device is connected with the steam input pipe; the steam input pipe is connected with the condensation heat exchanger; the steam input pipe is used for introducing high-temperature and high-pressure steam generated by compression of the steam compression device into the condensation heat exchanger; the heated hot water outlet pipe and the water to be heated inlet pipe are respectively connected with the condensation heat exchanger; the water to be heated inlet pipe is used for conveying water to be heated into the condensation heat exchanger; the water to be heated is heated in the condensation heat exchanger by the high-temperature and high-pressure steam input by the steam input pipe; and the heated hot water outlet pipe is used for discharging heated hot water out of the condensation heat exchanger. By the use of the low-temperature and low-pressure evaporation characteristic of water, the system can recycle heat of low-grade hot water and recycle and reuse cooling water for condensation so as to fulfill the aims of energy conservation and energy recycling and reuse.
Description
Technical field
The present invention relates to low-temperature heat source and utilize technical field, be specifically related to a kind of steam being applicable to low-temperature water heating and make dress
Put and direct vapor compression heat pump.
Background technology
The energy is the basis of the national economic development, carries out energy conservation in a deep going way, is not only alleviation energy contradiction and ensures state
The important measures of family's economic security, and be also the important channel improved the quality of economic growth with benefit.20 years of this century,
China's industrialization and Development of China's Urbanization will further speed up, and need the higher energy to increase as support.Therefore, energy conservation pair
The effect promoting whole socio-economic development highlights day by day, and country is using the energy-conservation big policy as sustainable development.
At present, China large-and-medium size cities generally also exist central heating thermal source and can not meet the heat demand increasing sharply
Situation, and the investment of newly-built large-scale thermal source is high, the construction period is long, and by the strong restriction of urban environmental capacity.
In order to alleviate the situation for heat strain, some local pell-mell development small scall coal-fired boiler rooms, severe exacerbation city
Atmospheric environment；Some city pell-mell development gas-heating, even electrothermal heatings, while bringing high heating cost, also draw
The combustion gas in city and the comprehensive nervous of electric power resource are sent out.On the one hand, it is that to use high-grade fossil fuel low-grade to provide
Heat energy for providing domestic hot-water for warm；On the other hand, the thermal power plant of surrounding city is in power generation process, by cold
But tower is discharged into substantial amounts of tow taste heat in air, causes huge energy waste and obvious environmental wet heat affecting.
Furthermore the recirculated water after coal-burning boiler wet desulphurization is directly entered foundation ditch and naturally cools down, cause the waste of tow taste heat.Therefore,
If the waste heat of low-grade heat source recirculated cooling water can be used for heat supply (heating, domestic hot-water etc.), low product can not only be reduced
The position thermal source cooling water evaporation loss that causes of water-cooled and the thermal pollution of environment, and heating can be alleviated and bring combustion gas and electric power
The nervous situation of resource.Simultaneously, it is achieved the cascade utilization of the energy, save a large amount of fuel, improve comprehensive utilization of energy rate.
Content of the invention
It is an object of the invention to provide a kind of steam producing device and the direct vapor compression utilizing this steam producing device
Heat pump, the low-temp low-pressure evaporation characteristic of application water, the steam after evaporation is compressed heating up through compressor, eventually passes
Condensing heat-exchange, reclaims the waste heat in low-temperature heat source water with this, and the hot water after heat exchange can be used as boiler blow-down water or directly
In heating, condensed condensed water can reach energy-conserving and environment-protective and used heat directly as boiler replenishing water or other purposes
The purpose of recycling.
For achieving the above object, steam producing device of the present invention includes that low-temperature heat source inlet tube, low-temp low-pressure steam
Send out equipment, vacuumize adapter, steam pipeline, vapour compression unit and vacuum pumping pump, described low-temperature heat source inlet tube with low
Temperature low pressure evaporation equipment connects, and vacuumizes adapter and steam pipeline is arranged on the top of low-temp low-pressure evaporation equipment, vapour pressure
Compression apparatus connects with steam pipeline；Vacuum pumping pump is connected with vacuumizing adapter；Described low-temperature heat source inlet tube is for by low
Temperature-heat-source hot water sends into low-temp low-pressure evaporation equipment；Described vacuum pumping pump sets for making low-temp low-pressure evaporate with vacuumizing adapter
Standby inner space is maintained at low-pressure state；Described steam pipeline for setting low-temperature heat source hot water in low-temp low-pressure evaporation
The steam that standby interior evaporation produces introduces vapour compression unit, and described vapour compression unit is for the steaming introducing steam pipeline
Vapour is collapsed into high temperature and high pressure steam.
Described steam producing device also includes low-temperature heat source drainpipe and primer pump, and low-temperature heat source drainpipe is low with low temperature
Pressure evaporation equipment connects, and primer pump is connected with low-temperature heat source drainpipe, and primer pump is for by evaporation in low-temp low-pressure evaporation equipment
After remaining water discharged from low-temp low-pressure evaporation equipment by low-temperature heat source drainpipe.
Described steam is steam.
The present invention further provides a kind of direct vapor compression heat pump utilizing above-mentioned steam producing device, including above-mentioned
Hot water outlet pipe, condensing heat exchanger, hot water inlet pipe to be added, steam input pipe and bonding in vacuum after steam producing device, heating
Pipe, the vapour compression unit of steam producing device is connected with steam input pipe, and steam input pipe is connected with condensing heat exchanger, steam
Input pipe is for introducing condensing heat exchanger by the high temperature and high pressure steam that vapour compression unit compression produces；Hot water outlet pipe after heating
Being connected with condensing heat exchanger respectively with hot water inlet pipe to be added, water inlet pipe to be heated is for sending hot water to be added into condensing heat-exchange
Device, hot water to be added is heated by the high temperature and high pressure steam that steam input pipe inputs in condensing heat exchanger, hot water outlet pipe after heating
For the hot water after heating is discharged condensing heat exchanger.
Described vacuum connection tube with vacuumize adapter and vacuum pumping pump be connected, vacuum pumping pump and vacuum connection tube are used for making
The inner space of condensing heat exchanger is maintained at low-pressure state.
Described direct vapor compression heat pump also includes condensed water discharge pipe and primer pump, described condensed water discharge pipe
Being connected with condensing heat exchanger, primer pump is connected with condensed water discharge pipe, after primer pump is for condensing high temperature and high pressure steam heat exchange
Condensed water condensed water through discharge pipe discharge condensing heat exchanger.
Hot water after the heating discharged by hot water outlet pipe is used as heating hot water or domestic hot-water.
The invention have the advantages that：Steam producing device of the present invention and direct vapor compression heat pump with existing
Technology is compared, and by being installed on the rear end of all kinds of low-grade hot water, cooling circulating water and sewage (water temperature about 50 DEG C), utilizes water
Low-temp low-pressure evaporation characteristic, reclaim the heat in low-grade hot water, the cooling water of condensation recycled simultaneously, reach
The purpose that energy-conservation and energy recovery recycles, whole device simple structure, reliable, effect stability, energy consumption is little, and price is low
Honest and clean.
Brief description
Fig. 1 is the structural representation of steam producing device of the present invention.
Fig. 2 is the structural representation of direct vapor compression heat pump of the present invention.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
As it is shown in figure 1, steam producing device of the present invention includes that the evaporation of low-temperature heat source inlet tube the 1st, low-temp low-pressure sets
Standby 2nd, vacuumize adapter the 5th, steam pipeline the 6th, vapour compression unit 7 and vacuum pumping pump 8, described low-temperature heat source inlet tube 1 with
Low-temp low-pressure evaporation equipment 2 connects, and vacuumizes adapter 5 and steam pipeline 6 is arranged on the top of low-temp low-pressure evaporation equipment 2,
Vapour compression unit 7 connects with steam pipeline 6；Vacuum pumping pump 8 is connected with vacuumizing adapter 5；Described low-temperature heat source import
Pipe 1 is for sending low-temperature heat source hot water into low-temp low-pressure evaporation equipment 2；Described vacuum pumping pump 8 and vacuumize adapter 5 for making
The inner space of low-temp low-pressure evaporation equipment 2 is maintained at low-pressure state；Described steam pipeline 6 is for by low-temperature heat source hot water
The steam that evaporation produces in low-temp low-pressure evaporation equipment 2 introduces vapour compression unit 7, and described vapour compression unit 7 is used for
The both vapor compression that steam pipeline 6 introduces is become high temperature and high pressure steam.
Heretofore described low-temperature heat source refers to low-grade hot water of the prior art, cooling circulating water and sewage, its
Water temperature is about 50 DEG C, but be not restricted to that 50 DEG C, as long as the fluid liquid of evaporation can be realized in low-temp low-pressure evaporation equipment 2
Can serve as low-temperature heat source here." low-temp low-pressure " is the high temperature and high pressure steam after compressing relative to vapour compression unit 7
State for, all water i.e. before not compressed by vapour compression unit 7 and steam are all in " low-temp low-pressure " shape
State, is in high-temperature high-pressure state by the steam after compressing, therefore in the present invention all of low-temp low-pressure and HTHP to ability
All there is for field technique personnel clear and definite implication, do not result in the unclear of protection domain.
Described steam producing device also includes low-temperature heat source drainpipe 3 and primer pump 4, low-temperature heat source drainpipe 3 with low
Temperature low pressure evaporation equipment 2 connects, and primer pump 4 is connected with low-temperature heat source drainpipe 3, and primer pump 4 is for setting low-temp low-pressure evaporation
In standby 2, the remaining water after evaporation is discharged from low-temp low-pressure evaporation equipment 2 by low-temperature heat source drainpipe 3.
Described steam is steam.
The low temperature and low pressure steam that low-temperature heat source is mainly produced by steam producing device of the present invention is through compressor liter
Pressure carries out the making of high-temperature steam after heating up, its simple workflow is：
Low-temperature heat source hot water enters low-temp low-pressure evaporation equipment 2, low-temp low-pressure evaporation equipment 2 through low-temperature heat source inlet tube 1
In for low-voltage vacuum state (not high vacuum, simply close to vacuum), the characteristic utilizing the low-temp low-pressure of water to evaporate allows Low Temperature Thermal
Source water constantly evaporates in low-temp low-pressure evaporation equipment 2, introduces low-temperature heat source draining for the remaining water after evaporation through primer pump 4
Pipe 3, discharges low-temp low-pressure evaporation equipment 2 and completes the circulation of low-temperature heat source water.Steam in low-temp low-pressure evaporation equipment 2 is through steam
Conveying pipe 6 enters vapour compression unit 7, generates high-temperature steam after vapour compression unit 7 compression.Low-temp low-pressure evaporation equipment 2
It is connected with vacuumizing adapter 5, the air-extraction function of evacuated pump 8, keep low-temp low-pressure evaporation equipment 2 inside to be in low pressure shape
State.
As in figure 2 it is shown, the present invention further provides a kind of direct vapor compression heat pump system utilizing above-mentioned steam producing device
System, including above-mentioned steam producing device, heating after hot water outlet pipe's the 9th, condensing heat exchanger the 10th, hot water inlet pipe to be added 11st, steam
Input pipe 15 and vacuum connection tube 16, the vapour compression unit 7 of steam producing device is connected with steam input pipe 15, and steam inputs
Pipe 15 is connected with condensing heat exchanger 10, and steam input pipe 15 for compressing the high temperature and high pressure steam of generation by vapour compression unit 7
Introduce condensing heat exchanger 10；After heating, hot water outlet pipe 9 and hot water inlet pipe to be added 11 are connected with condensing heat exchanger 10 respectively, treat
Add hot water inlet pipe 11 for by hot water to be added send into condensing heat exchanger 10, hot water to be added is defeated by steam in condensing heat exchanger 10
Entering the high temperature and high pressure steam heating of pipe 15 input, after heating, hot water outlet pipe 9 is for discharging condensing heat-exchange by the hot water after heating
Device 10.
Described vacuum connection tube 16 with vacuumize adapter 5 and vacuum pumping pump 8 is connected, vacuum pumping pump 8 and vacuum connection tube
16 are maintained at low-pressure state for making the inner space of condensing heat exchanger 10.
Described direct vapor compression heat pump also includes condensed water discharge pipe 12 and primer pump 13, described condensed water row
Going out pipe 12 to be connected with condensing heat exchanger 10, primer pump 13 is connected with condensed water discharge pipe 12, and primer pump 13 is for by HTHP
Steam heat-exchanging condensed condensed water condensed water discharges condensing heat exchanger 10 through discharge pipe 12.
Hot water after the heating discharged by hot water outlet pipe 9 is used as heating hot water or domestic hot-water.
Direct vapor compression heat pump of the present invention is installed on low-grade heat source hot water (about 50 DEG C) outlet
Rear end, makes full use of the low-temp low-pressure evaporation characteristic of water, and the pressurization temperature-raising characteristic of application vapour compression machine, the two organic knot
Close and the heat in low-grade heat source hot water is extracted endlessly, and heat is replaced to be added by condensing heat exchanger
In hot water, it is achieved the purpose of waste heat recovery.Its simple workflow includes：
Low-temperature heat source hot water flow process：Low-temperature heat source hot water enters low-temp low-pressure evaporation equipment 2 through low-temperature heat source inlet tube 1,
Being low-voltage vacuum state in low-temp low-pressure evaporation equipment 2, the characteristic utilizing the low-temp low-pressure of water to evaporate allows low-temperature heat source water low
Constantly evaporate in temperature low pressure evaporation equipment 2, through primer pump 4, low-temperature heat source drainpipe 3 is introduced for the remaining water after evaporation, discharges
Low-temp low-pressure evaporation equipment 2, completes the circulation of low-temperature heat source water.
Low temperature and low pressure steam flow process：Steam in low-temp low-pressure evaporation equipment 2 enters both vapor compression dress through steam pipeline 6
Putting 7, the high-temperature steam after vapour compression unit 7 compression enters condensing heat exchanger 10, in condensing heat exchanger 10 with through to be added
The hot water to be added that hot water inlet pipe 11 enters condensing heat exchanger 10 carries out heat exchange, and condensed condensed water is introduced cold by primer pump 13
Solidifying water discharge pipe 12 discharges condensing heat exchanger 10, and the heated rear hot water outlet pipe 9 of the hot water to be added after heat exchange discharges condensing heat-exchange
Device 10.
Vacuumize flow process：Low-temp low-pressure evaporation equipment 2 and condensing heat exchanger 10 respectively with vacuumize adapter 5 and be connected, through taking out
Vavuum pump 8 is bled and is kept low-temp low-pressure evaporation equipment 2 and condensing heat exchanger 10 inside to be in same low-pressure state.
Direct vapor compression heat pump compact conformation of the present invention is reasonable, and parts are clearly demarcated, greatly facilitate device
Transport, installation and maintenance.
Although, the present invention is described in detail above to have used general explanation and specific embodiment, but at this
On the basis of invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (9)
1. a steam producing device, it is characterised in that described steam producing device includes low-temperature heat source inlet tube, low-temp low-pressure
Evaporation equipment, vacuumize adapter, steam pipeline, vapour compression unit and vacuum pumping pump, described low-temperature heat source inlet tube with
Low-temp low-pressure evaporation equipment connects, and vacuumizes adapter and steam pipeline is arranged on the top of low-temp low-pressure evaporation equipment, steam
Compression set connects with steam pipeline；Vacuum pumping pump is connected with vacuumizing adapter；Described low-temperature heat source inlet tube is used for will
Low-temperature heat source hot water sends into low-temp low-pressure evaporation equipment；Described vacuum pumping pump is taken over for making low-temp low-pressure evaporate with vacuumizing
The inner space of equipment is maintained at low-pressure state；Described steam pipeline for evaporating low-temperature heat source hot water at low-temp low-pressure
The steam that the interior evaporation of equipment produces introduces vapour compression unit, and described vapour compression unit is for by steam pipeline introducing
Both vapor compression becomes high temperature and high pressure steam.
2. steam producing device as claimed in claim 1, it is characterised in that described steam producing device also includes Low Temperature Thermal
Source drainpipe and primer pump, low-temperature heat source drainpipe is connected with low-temp low-pressure evaporation equipment, primer pump and low-temperature heat source drainpipe
Connecting, primer pump will be for passing through low-temperature heat source drainpipe from low-temp low-pressure by the remaining water after evaporation in low-temp low-pressure evaporation equipment
Evaporation equipment is discharged.
3. steam producing device as claimed in claim 2, it is characterised in that described steam is steam.
4. a direct vapor compression heat pump, it is characterised in that described direct vapor compression heat pump includes that right such as is wanted
Ask the steam producing device described in any one of 1-3, heating after hot water outlet pipe, condensing heat exchanger, hot water inlet pipe to be added, steam
Input pipe and vacuum connection tube, the vapour compression unit of steam producing device is connected with steam input pipe, steam input pipe with cold
Solidifying heat exchanger connects, and steam input pipe is for introducing condensing heat-exchange by the high temperature and high pressure steam that vapour compression unit compression produces
Device；After heating, hot water outlet pipe and hot water inlet pipe to be added are connected with condensing heat exchanger respectively, and water inlet pipe to be heated is used for will
Hot water to be added sends into condensing heat exchanger, and hot water to be added is added by the high temperature and high pressure steam that steam input pipe inputs in condensing heat exchanger
Heat, after heating, hot water outlet pipe is for discharging condensing heat exchanger by the hot water after heating.
5. direct vapor compression heat pump as claimed in claim 4, it is characterised in that described vacuum connection tube with vacuumize
Adapter and vacuum pumping pump connect, and vacuum pumping pump and vacuum connection tube are for making the inner space of condensing heat exchanger be maintained at low pressure shape
State.
6. direct vapor compression heat pump as claimed in claim 5, it is characterised in that described direct vapor compression heat pump
Also including condensed water discharge pipe and primer pump, described condensed water discharge pipe is connected with condensing heat exchanger, primer pump and condensed water
Discharge pipe connects, and primer pump changes for condensed for high temperature and high pressure steam heat exchange condensed water condensed water is discharged condensation through discharge pipe
Hot device.
7. direct vapor compression heat pump as claimed in claim 6, it is characterised in that described vacuum connection tube with vacuumize
Adapter and vacuum pumping pump connect, and vacuum pumping pump and vacuum connection tube are for making the inner space of condensing heat exchanger be maintained at low pressure shape
State.
8. direct vapor compression heat pump as claimed in claim 7, it is characterised in that described direct vapor compression heat pump
Also including condensed water discharge pipe and primer pump, described condensed water discharge pipe is connected with condensing heat exchanger, primer pump and condensed water
Discharge pipe connects, and primer pump changes for condensed for high temperature and high pressure steam heat exchange condensed water condensed water is discharged condensation through discharge pipe
Hot device.
9. direct vapor compression heat pump as claimed in claim 8, it is characterised in that after the heating discharged by hot water outlet pipe
Hot water be used as heating hot water or domestic hot-water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876585.2A CN106439766A (en) | 2016-09-30 | 2016-09-30 | Steam production device and direct compression type heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876585.2A CN106439766A (en) | 2016-09-30 | 2016-09-30 | Steam production device and direct compression type heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439766A true CN106439766A (en) | 2017-02-22 |
Family
ID=58172856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610876585.2A Pending CN106439766A (en) | 2016-09-30 | 2016-09-30 | Steam production device and direct compression type heat pump system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798696A (en) * | 2019-01-23 | 2019-05-24 | 江苏科技大学 | A kind of recycling of industrial wastewater waste heat is the high temperature heat pump system and its control method of working medium to water |
| CN113753992A (en) * | 2021-09-07 | 2021-12-07 | 武伟 | High-efficiency vacuum sublimation evaporation cold and heat energy separation system and separation method and application thereof |
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| JPH06257890A (en) * | 1993-03-04 | 1994-09-16 | Nkk Corp | Heat pump |
| CN1278322A (en) * | 1997-10-29 | 2000-12-27 | Agam能源系统有限公司 | Heat pump/engine system, and method for utilizing same |
| KR100526105B1 (en) * | 2004-06-15 | 2005-11-03 | 주식회사 대우일렉트로닉스 | Heat pump air-conditioner |
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| CN104603554A (en) * | 2012-06-25 | 2015-05-06 | 梵酷瓦特股份公司 | Heat exchanger facility |
| CN206130947U (en) * | 2016-09-30 | 2017-04-26 | 中能服能源科技股份有限公司 | Steam making devices and direct compression formula heat pump system |
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| US4638642A (en) * | 1984-01-10 | 1987-01-27 | Kyowa Hakko Kogyo Co., Ltd. | Heat pump |
| JPH06257890A (en) * | 1993-03-04 | 1994-09-16 | Nkk Corp | Heat pump |
| CN1278322A (en) * | 1997-10-29 | 2000-12-27 | Agam能源系统有限公司 | Heat pump/engine system, and method for utilizing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798696A (en) * | 2019-01-23 | 2019-05-24 | 江苏科技大学 | A kind of recycling of industrial wastewater waste heat is the high temperature heat pump system and its control method of working medium to water |
| CN113753992A (en) * | 2021-09-07 | 2021-12-07 | 武伟 | High-efficiency vacuum sublimation evaporation cold and heat energy separation system and separation method and application thereof |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100043, Beijing, Financial Street (Changan) center, building 1, 13, Shijingshan District Applicant after: CES ENERGY TECHNOLOGY CO., LTD. Address before: 100016 Beijing 1 Jiuxianqiao Chaoyang District ten neighborhood hospital Applicant before: CES ENERGY TECHNOLOGY CO., LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |