CN205279514U - Heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system - Google Patents
Heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system Download PDFInfo
- Publication number
- CN205279514U CN205279514U CN201521092612.4U CN201521092612U CN205279514U CN 205279514 U CN205279514 U CN 205279514U CN 201521092612 U CN201521092612 U CN 201521092612U CN 205279514 U CN205279514 U CN 205279514U
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- heating
- hot water
- cold
- absorber
- lithium bromide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system, including 2, 3, 4,. N platform direct combustion type lithium bromide absorption formula is cold, the hot water unit, and its characteristics are: the system increases by a device, and the device includes gas gas heater (17), flash vessel (18), heating absorber (19), heating solution heat exchanger (20) and heating cryrogenic fluid pump (21), sets up hot water pipeline of the same kind on the cold of system, hot water import pipe (15), in this way hot water entering heating absorber (19) heat exchange tube, add weak solution pipeline of the same kind on solution pump outlet pipe (12) of one of them unit, this way weak solution gets into heating absorber (19) and sprays, add cryogenic coolant water replenishing pipe way of the same kind (23) on the evaporimeter liquid bag (14) of this unit, this way cryogen water gets into flash vessel liquid bag, the heating cryrogenic fluid pump in with flash vessel liquid bag cryogenic coolant water squeeze into and get into the flash vessel after gas gas heater intensifies. The utility model discloses effectively reduce exhaust gas temperature, improve heating efficiency, easy operation.
Description
Technical field
This utility model relates to a kind of direct-burning type lithium bromide absorption type hot water or cold water's unit. Belong to air conditioner technical field.
Background technology
Direct-burning type lithium bromide absorption type hot water or cold water's unit be with fuel oil, combustion gas the combustion heat for thermal source, water is cold-producing medium, lithium bromide water solution is absorbent, alternately or simultaneously produces air under vacuum conditions and regulates or the equipment of technique cold water, hot water. have the characteristics such as balance energy-consuming, environmental protection and economize on electricity because of it, the Cooling and Heat Source machine as central air conditioner system is widely used, particularly large-scale place, often needs multiple stage unit to run simultaneously, to meet cooling or heat demand. having 2,3, the occasion that uses of 4 ... N platform unit, outer water system provides a total inlet and outlet pipe, and the water parallel connection of water system enters N platform unit, and the smoke evacuation of N platform unit merges together is discharged in the outer air of machine room by total smoke exhaust pipe. it is two direct-burning type lithium bromide absorption type hot water or cold water's machine set systems of A, B as shown in Figure 1 at present, it is tri-direct-burning type lithium bromide absorption type hot water or cold water's machine set systems of A, B, C as shown in Figure 2, each system is designed with a total cooling water inlet tube and outlet tube, it is provided with total hot water or cold water's inlet tube and outlet tube, is provided with a total smoke exhaust pipe. single unit is constituted by the pipeline of direct combustion high tension generator 1, low pressure generator 9, condenser 8, vaporizer 5, absorber 4, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, solution pump 6, cryogenic fluid pump 7, valve and control system (not shown) and connecting components. machine set system is when heating operating mode is run, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, cryogenic fluid pump 7 and external system cooling water pump stop, the low-temperature water heating parallel connection come from air-conditioning heating user enters in N platform unit vaporizer 5 heat exchanger tube, the heat of condensation of the water as refrigerant steam produced by heat exchange pipe external surface direct combustion high tension generator 1 heat dilute solution heats, temperature is summarised in after raising and is sent to heating user together, concentrated solution after direct combustion high tension generator 1 concentration enters to mix with the water as refrigerant after condensation in absorber 4 and becomes weak solution, it is sent to direct combustion high tension generator 1 by solution pump 6 and carries out circulation again and heating. owing to being limited by the heating hot water leaving water temperature produced, solution temperature is higher, causes exhaust gas temperature also higher, affect the heating thermal efficiency, if heating hot water outlet temperature is when 60 DEG C, system direct combustion high tension generator exhaust gas temperature is at about 155 DEG C, and heating efficiency is about 93%. particularly in cold winter, outdoor temperature is low, and chimney just emits white cigarette, has both wasted the energy, again contaminated environment. how to find one of a kind of effective reduction exhaust gas temperature, raising heating efficiency, novel direct combustion type lithium bromide absorption cold simple to operate, Hot water units system important topic becoming research at present.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that a kind of effective reduction exhaust gas temperature, raising heating efficiency, heating room temperature simple to operate smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system.
The purpose of this utility model is achieved in that a kind of heating room temperature smoke evacuation direct-burning type lithium bromide absorption type is cold, Hot water units system, including 2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units, N is the natural number of > 1, and every direct-burning type lithium bromide absorption type is cold, Hot water units all includes direct combustion high tension generator, low pressure generator, condenser, vaporizer, absorber, cryogenic fluid heat exchanger and high-temperature solution heat exchanger, 2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units is arranged in parallel, and system is provided with a total smoke exhaust pipe, it is characterised in that: described system increases by a device, and this device includes flue gas heat-exchange unit, flash vessel, heating absorber, heating solution heat exchanger and heating cryogenic fluid pump, flue gas heat-exchange unit is arranged on total smoke exhaust pipe, and flash vessel and heating absorber are arranged in same cavity, and is placed on the position higher than vaporizer and absorber components, cold in system, hot water inlet pipe sets up a road hot water line, this road hot water enters in heating absorber heat exchanging pipe, and heating hot water switching valve, this road hot water and the hot water parallel connection entering N platform vaporizer in parallel are set on this hot water line, go out heating absorber hot water and access the cold of system, hot water outlet, cold at a wherein direct-burning type lithium bromide absorption type of system, the solution pump discharge pipe of Hot water units is set up a road weak solution pipeline, this road weak solution is cold with this direct-burning type lithium bromide absorption type of entrance, the weak solution of the direct combustion high tension generator of Hot water units is in parallel, this road weak solution enters heating absorber spray through the cooling of heating solution heat exchanger, and heating weak solution switching valve is set on this weak solution pipeline, in heating absorber, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, absorber cylinder body bottom is entered through the intensification of heating solution heat exchanger by height level pressure reduction, setting up a road cryogenic coolant water on the vaporizer liquid capsule of this direct-burning type lithium bromide absorption type hot water or cold water's unit and supplement pipeline, this road water as refrigerant enters flash vessel liquid capsule as cryogenic coolant water moisturizing, cryogenic coolant water in flash vessel liquid capsule is squeezed into flue gas heat-exchange unit by heating cryogenic fluid pump, flue gas heat exchange together with cryogenic coolant water and N platform direct combustion high tension generator being summarised in out, cryogenic coolant coolant-temperature gage raises and enters flash vessel flash distillation, and flue gas heat recovered temperature discharges after reducing.
The beneficial effects of the utility model are:
This utility model by above-mentioned flow process, create one more less low-temperature receiver than smog discharge temperature, not only reclaimed the sensible heat of flue gas, also reclaimed the latent heat of steam in flue gas, made exhaust gas temperature be down to room temperature, heating efficiency is greatly improved. Such as: produce heating hot water outlet temperature when about 60 DEG C, flash vessel absorber cavity internal pressure is at about 25mmHg, enter the cryogenic coolant coolant-temperature gage of flue gas heat-exchange unit at about 26 DEG C, the exhaust gas temperature of system is reduced to less than 35 DEG C, compared with conventional direct fired machine system exhaust gas temperature 155 DEG C, the heat of condensation of steam in the sensible heat of many 120 DEG C of temperature difference of recovered flue gas and flue gas, combustion natural gas direct combustion type machine set system energy utilization rate improves about 13% than ever, and heating efficiency reaches about 106%. In the constant situation of the total heating capacity of system, fuel consumption is greatly decreased, and reduces operating cost, has reached energy-efficient purpose, has stopped winter heating chimney simultaneously and has emitted the phenomenon of white cigarette, decreases the smoke evacuation thermal pollution to environment, protects environment. This utility model system is simple to operate.
Accompanying drawing explanation
Fig. 1 is two direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of conventional A, B.
Fig. 2 is tri-direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of conventional A, B, C.
Two heating room temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of Fig. 3 this utility model A, B.
Tri-heating room temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of Fig. 4 this utility model A, B, C.
Accompanying drawing labelling:
Direct-burning type lithium bromide absorption type hot water or cold water unit A
Direct-burning type lithium bromide absorption type hot water or cold water's B of Unit
Direct-burning type lithium bromide absorption type hot water or cold water unit C
Direct combustion high tension generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Vaporizer 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution switching valve 10
Heating refrigerant vapour switching valve 11
Solution pump discharge pipe 12
Absorber cylinder body bottom 13
Vaporizer liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Flue gas heat-exchange unit 17
Flash vessel 18
Heating absorber 19
Heating heat exchanger 20
Heating cryogenic fluid pump 21
Heating weak solution switching valve 22
Cryogenic coolant water supplements pipeline 23
Heating hot water switching valve 24
Flash vessel liquid capsule 25
Total smoke exhaust pipe 26.
Detailed description of the invention
As shown in Figure 3 and Figure 4, to relate to a kind of heating room temperature smoke evacuation direct-burning type lithium bromide absorption type cold for this utility model, Hot water units system, including 2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units, N is the natural number of > 1, and every direct-burning type lithium bromide absorption type is cold, Hot water units all includes direct combustion high tension generator 1, low pressure generator 9, condenser 8, vaporizer 5, absorber 4, cryogenic fluid heat exchanger 3 and high-temperature solution heat exchanger 2,2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units is arranged in parallel, and system is provided with a total smoke exhaust pipe 26, and described system increases by a device, and this device includes flue gas heat-exchange unit 17, flash vessel 18, heating absorber 19, heating solution heat exchanger 20 and heating cryogenic fluid pump 21, flue gas heat-exchange unit 17 is arranged on total smoke exhaust pipe 26, and flash vessel 18 and heating absorber 19 are arranged in same cavity, and is placed on the position higher than vaporizer 5 and absorber 4 parts, cold in system, hot water inlet pipe 15 sets up a road hot water line, this road hot water enters in heating absorber 19 heat exchanger tube, and heating hot water switching valve 24, this road hot water and the hot water parallel connection entering N platform vaporizer in parallel are set on this hot water line, go out heating absorber 19 hot water and access the cold of system, hot water outlet, cold at a wherein direct-burning type lithium bromide absorption type of system, the solution pump discharge pipe 12 of Hot water units is set up a road weak solution pipeline, this road weak solution is cold with this direct-burning type lithium bromide absorption type of entrance, the weak solution of the direct combustion high tension generator 1 of Hot water units is in parallel, this road weak solution enters heating absorber 19 through heating solution heat exchanger 20 cooling and sprays, and heating weak solution switching valve 22 is set on this weak solution pipeline, in heating absorber 19, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, absorber cylinder body bottom 13 is entered through heating solution heat exchanger 20 intensification by height level pressure reduction, setting up a road cryogenic coolant water on the vaporizer liquid capsule 14 of this direct-burning type lithium bromide absorption type hot water or cold water's unit and supplement pipeline 23, this road water as refrigerant enters flash vessel liquid capsule 25 as cryogenic coolant water moisturizing, cryogenic coolant water in flash vessel liquid capsule 25 is squeezed into entrance flash vessel 18 flash distillation after flue gas heat-exchange unit 17 heats up by heating cryogenic fluid pump 21. flue gas heat recovered temperature discharges after reducing.
When heating operating mode is run, conventional heating circulation process is still properly functioning, cryogenic fluid pump 7 and external system cooling water pump stop, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, solution pump 6 starts, and valve 24 is opened, heating cryogenic fluid pump 21 starts for the heating weak solution switching valve 22 newly established and heating hot water switching. a unit solution pump discharge weak solution is divided into two tunnels from which, and a road weak solution enters this direct combustion high tension generator 1 and concentrates, and another road weak solution enters heating absorber 19 through heating solution heat exchanger 20 cooling and sprays, the low-temperature water heating come from heating user is divided into 2, 3, 4, ... N+1 road, wherein hot water parallel connection in N road enters in vaporizer 5 heat exchanger tube, the heat of condensation of the high temperature refrigerant vapour produced by heat exchange pipe external surface direct combustion high tension generator 1 heat dilute solution heats, another N+1 road low-temperature water heating enters in heating absorber 19 heat exchanger tube, heated from flash vessel 18 cryogenic coolant steam liberated heat in the absorption of heat exchange pipe external surface weak solution by spray, 2, 3, 4, ... N+1 road hot water temperature raises to merge together and is sent to heating user, concentrated solution after direct combustion high tension generator 1 concentration enters to mix with the water as refrigerant overflowed after condensation in vaporizer 5 in absorber 4 and becomes weak solution, in heating absorber 19, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, enter absorber cylinder body bottom 13 by height level pressure reduction through heating solution heat exchanger 20 intensification to mix with weak solution in absorber 4, a wherein road weak solution is sent to direct combustion high tension generator 1 and carries out circulation again and heating concentration by solution pump 6, another road weak solution is sent to entrance heating absorber 19 after heating solution heat exchanger 20 is lowered the temperature again circulate and absorb cryogenic coolant steam. heating cryogenic fluid pump 21 cryogenic coolant water in flash vessel liquid capsule 25 is squeezed into flue gas heat-exchange unit 17 and N platform direct combustion high tension generator 1 being summarised in out together with flue gas heat exchange, flue gas heat recovered temperature discharges after reducing, water as refrigerant enters shwoot in flash vessel 18 cavity that pressure is relatively low after heating up be cryogenic coolant steam, cryogenic coolant steam is absorbed by the solution sprayed outside heating absorber 19 heat exchanger tube, solution continuous absorption refrigerant vapour in heating absorber 19 makes cavity internal pressure be maintained at certain value, and flash distillation absorption process just constantly carries out. flash vessel 18 water as refrigerant moisturizing supplements pipe 23 from vaporizer liquid capsule 14 through cryogenic coolant water by the pressure differential between vaporizer 5 and flash vessel 18 and enters flash vessel liquid capsule 25, constantly gives flash vessel 18 moisturizing.
When cooling condition runs, heating concentrated solution is switched valve 10, heating refrigerant vapour switching valve 11, heating weak solution switching valve 22, heating hot water switching valve 24 Close All, heating cryogenic fluid pump 21 stops, flue gas heat-exchange unit 17, flash vessel 18, heating absorber 19 and heating solution heat exchanger 20 stop circulation, and unit is still by conventional kind of refrigeration cycle process flow operation.
In above scheme, flash vessel 18 and heating absorber 19 housing can be independently arranged, flash vessel 18 and heating absorber 19 can also be arranged in systems in any of which platform low pressure generator 9 and condenser 8 housing, separate with dividing plate between them, flash vessel 18 and heating absorber 19 are in same cavity, and low pressure generator 9 and condenser 8 are in same cavity.
Above scheme is applicable to vaporizer 5, absorber 4 can be single hop (shown in figure), can also be two-stage nitration or multistage, and cooling water can be parallel-connection flow (shown in figure) can also be serial flow.
Claims (4)
1. a heating room temperature smoke evacuation direct-burning type lithium bromide absorption type is cold, Hot water units system, including 2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units, N is the natural number of > 1,2, 3, 4, ... N platform direct-burning type lithium bromide absorption type is cold, Hot water units is arranged in parallel, and every direct-burning type lithium bromide absorption type is cold, Hot water units all includes direct combustion high tension generator (1), low pressure generator (9), condenser (8), vaporizer (5), absorber (4), cryogenic fluid heat exchanger (3) and high-temperature solution heat exchanger (2), system is provided with a total smoke exhaust pipe (26), it is characterised in that: described system increases by a device, and this device includes flue gas heat-exchange unit (17), flash vessel (18), heating absorber (19), heating solution heat exchanger (20) and heating cryogenic fluid pump (21), flue gas heat-exchange unit (17) is arranged on total smoke exhaust pipe (26), flash vessel (18) and heating absorber (19) are arranged in same cavity, and it is placed on the position higher than vaporizer (5) and absorber (4) parts, cold in system, hot water inlet pipe (15) sets up a road hot water line, this road hot water enters in heating absorber (19) heat exchanger tube, and heating hot water switching valve (24) is set on this hot water line, this road hot water and the hot water parallel connection entering N platform vaporizer in parallel, go out heating absorber (19) hot water and access the cold of system, hot water outlet, cold at a wherein direct-burning type lithium bromide absorption type of system, the solution pump discharge pipe (12) of Hot water units is set up a road weak solution pipeline, this road weak solution is cold with this direct-burning type lithium bromide absorption type of entrance, the weak solution of the direct combustion high tension generator (1) of Hot water units is in parallel, this road weak solution enters heating absorber (19) spray through heating solution heat exchanger (20) cooling, and heating weak solution switching valve (22) is set on this weak solution pipeline, heating absorber (19) interior weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, absorber cylinder body bottom (13) is entered through heating solution heat exchanger (20) intensification by height level pressure reduction, setting up a road cryogenic coolant water on vaporizer liquid capsule (14) of this direct-burning type lithium bromide absorption type hot water or cold water's unit and supplement pipeline (23), this road water as refrigerant enters flash vessel liquid capsule (25) as cryogenic coolant water moisturizing, interior for flash vessel liquid capsule (25) cryogenic coolant water is squeezed into after flue gas heat-exchange unit (17) heats up and is entered flash vessel (18) flash distillation by heating cryogenic fluid pump (21).
2. a kind of heating room temperature smoke evacuation direct-burning type lithium bromide absorption type according to claim 1 is cold, Hot water units system, it is characterized in that: described unit flash vessel (18) and heating absorber (19) housing are independently arranged, or it is cold that flash vessel (18) and heating absorber (19) are arranged on N platform direct-burning type lithium bromide absorption type, in Hot water units in the low pressure generator (9) of any of which platform unit and condenser (8) housing, separate with dividing plate between them, flash vessel (18) and heating absorber (19) are arranged in same cavity, low pressure generator (9) and condenser (8) are arranged in same cavity.
3. a kind of heating room temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system according to claim 1 and 2, it is characterised in that: the vaporizer (5) of described unit and absorber (4) they are single hop, two sections or multistage.
4. a kind of heating room temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system according to claim 1 and 2, it is characterised in that: the cooling water of described unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092612.4U CN205279514U (en) | 2015-12-25 | 2015-12-25 | Heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092612.4U CN205279514U (en) | 2015-12-25 | 2015-12-25 | Heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279514U true CN205279514U (en) | 2016-06-01 |
Family
ID=56064090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521092612.4U Withdrawn - After Issue CN205279514U (en) | 2015-12-25 | 2015-12-25 | Heating normal atmospheric temperature is discharged fume, and direct combustion type lithium bromide absorption formula is cold, hot water unit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444463A (en) * | 2015-12-25 | 2016-03-30 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption type water chiller-heater unit system for heating and normal temperature smoke exhaust |
-
2015
- 2015-12-25 CN CN201521092612.4U patent/CN205279514U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444463A (en) * | 2015-12-25 | 2016-03-30 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption type water chiller-heater unit system for heating and normal temperature smoke exhaust |
| CN105444463B (en) * | 2015-12-25 | 2017-09-29 | 双良节能系统股份有限公司 | Heating normal temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's machine set system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20170929 |