CN108106044A - Electric drive heat pump unit with smoke comprehensive processing function - Google Patents
Electric drive heat pump unit with smoke comprehensive processing function Download PDFInfo
- Publication number
- CN108106044A CN108106044A CN201810038397.1A CN201810038397A CN108106044A CN 108106044 A CN108106044 A CN 108106044A CN 201810038397 A CN201810038397 A CN 201810038397A CN 108106044 A CN108106044 A CN 108106044A
- Authority
- CN
- China
- Prior art keywords
- water
- cigarette
- outlet
- heat exchanger
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 38
- 239000002918 waste heat Substances 0.000 claims abstract description 17
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 5
- 210000000481 breast Anatomy 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003546 flue gas Substances 0.000 abstract description 17
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of electric drive heat pump units with smoke comprehensive processing function, including by compressor, condenser, the refrigerant cycle circuit that throttle valve and evaporator are formed, the water side of condenser and the water side of evaporator are connected with user's air-conditioning system, the water side of evaporator also is connected to form recirculated water waste heat recovering loop with the water side of cigarette water- to-water heat exchanger, the first two-way electronic valve and circulating pump are equipped in recirculated water waste heat recovering loop, the second two-way electronic valve is equipped on the return water main pipe of user's air-conditioning system, the cigarette side entrance of cigarette water- to-water heat exchanger and the chimney breast of boiler connect, the cigarette side outlet of cigarette water- to-water heat exchanger and the air inlet of gas-liquid separator connect, exhaust outlet is equipped at the top of gas-liquid separator, bottom is equipped with discharge outlet, side is equipped with dosing mouth, chemicals dosing plant is connected on dosing mouth.The present invention can recycle the waste heat in flue gas, and the pollutant in flue gas is handled.
Description
Technical field
The present invention relates to a kind of electric drive heat pump unit, particularly a kind of electric drive heat with smoke comprehensive processing function
Pump assembly.
Background technology
The flue gas composition that gas fired-boiler is discharged mainly include vapor, carbon dioxide and minimal amount of nitrogen oxides and
Sulfur dioxide, flue gas have the following problems in discharge process：
(1) contain substantial amounts of low grade heat energy in flue gas, the partial heat energy is not recycled and directly discharging causes
Energy waste phenomenon is serious.
(2) " white cigarette " phenomenon caused by vapor influences periphery city image there are certain visual pollution.
(3) sulfur dioxide and nitrogen oxides are one of main inducings of atmosphere pollution, influence the living environment of nearby residents.
The main reason for causing present situation is in the recycling and flue gas that gas fired-boiler does not consider fume waste heat at the beginning of design
The processing of pollutant, to eliminate existing drawback, it is necessary to propose more preferably system scheme.
The content of the invention
The present invention, which is provided to solve technical problem present in known technology, a kind of has smoke comprehensive processing function
Electric drive heat pump unit, the unit can recycle the waste heat in flue gas, the pollutant in flue gas handled.
The present invention is adopted the technical scheme that solve technical problem present in known technology：One kind is comprehensive with flue gas
The electric drive heat pump unit of processing function is closed, the refrigerant cycle including being formed by compressor, condenser, throttle valve and evaporator is returned
Road, the cryogen side of the condenser and the cryogen side of the evaporator are connected on the refrigerant cycle circuit, the condenser
Water side and the water side of the evaporator be connected with user's air-conditioning system, the water of the water side of the evaporator also with cigarette water- to-water heat exchanger
Side connects to form recirculated water waste heat recovering loop, and the first two-way electronic valve is equipped in the recirculated water waste heat recovering loop and is followed
Ring pumps, and the second two-way electronic valve is equipped on the return water main pipe of user's air-conditioning system, the cigarette side of the cigarette water- to-water heat exchanger enters
Mouth is connected with the chimney breast of boiler, and the cigarette side outlet of the cigarette water- to-water heat exchanger and the air inlet of gas-liquid separator connect, in institute
The top for stating gas-liquid separator is equipped with exhaust outlet, discharge outlet is equipped in the bottom of the gas-liquid separator, in the gas-liquid separation
The side of device is equipped with dosing mouth, and chemicals dosing plant is connected on the dosing mouth.
The water side entrance of the evaporator passes through inlet triplet for water and the water side outlet of the cigarette water- to-water heat exchanger and user's air-conditioning
The return water main pipe outlet of system connects respectively, in the import for connecting the inlet triplet for water and the water side outlet of the cigarette water- to-water heat exchanger
Water pipe be equipped with first two-way electronic valve, the water side outlet of the evaporator passes through outlet three way and exchanges heat with the cigarette water
The water side entrance of device and being connected respectively for water conduit tube entrance for user's air-conditioning system are connecting the outlet of the outlet three way and institute
The water pipe for stating the water side entrance of cigarette water- to-water heat exchanger is equipped with the circulating pump.
The invention has the advantages and positive effects that：
1) Waste Heat Recovery recycles waste heat in flue gas, and flue gas exhaust gas temperature is greatly reduced, and promotes combustion gas using effect
Rate.
2) prevent " white cigarette ", exhaust gas temperature is minimum to be down to 20 DEG C, and the water vapour content in flue gas is greatly reduced, " white cigarette "
Phenomenon disappears substantially.
3) environmental-friendly, most sulfur dioxide and nitrogen oxides are sent out after being dissolved in condensed water with added drug in flue gas
The pollutant discharge amount into air is greatly decreased in biochemical reaction.
4) using fume waste heat as heat source, a small amount of electricity is only consumed on the premise of a large amount of heating power resources are obtained for good economy performance
Power resource, economy are superior.
To sum up, the present invention significantly reduces flue gas pollutant discharge capacity on the basis of being recycled to fume waste heat, shuts out
" white cigarette " phenomenon absolutely helps to improve atmospheric environment, promotes the utilization ratio of combustion gas, improve city quality, has higher
Social benefit and economic benefit.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1st, compressor, 2, condenser, 3, throttle valve, 4, evaporator, 5, circulating pump, 6, cigarette water- to-water heat exchanger, 7, first
Two-way electronic valve, the 8, second two-way electronic valve, 9, gas-liquid separator, 10, chemicals dosing plant, 11, inlet triplet for water, 12, outlet three way.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
Referring to Fig. 1, a kind of electric drive heat pump unit with smoke comprehensive processing function, including by compressor 1, condensation
The refrigerant cycle circuit that device 2, throttle valve 3 and evaporator 4 are formed, the cryogen side of the condenser 2 and the cryogen of the evaporator 4
Side is connected on the refrigerant cycle circuit, the water side of the condenser 2 and the water side of the evaporator 4 and user's air-conditioning system
Connection, the water side of the evaporator 4 also is connected to form recirculated water waste heat recovering loop with the water side of cigarette water- to-water heat exchanger 6, described
Recirculated water waste heat recovering loop is equipped with the first two-way electronic valve 7 and circulating pump 5, in the return water main pipe of user's air-conditioning system
The second two-way electronic valve 8 is equipped with, the cigarette side entrance of the cigarette water- to-water heat exchanger 6 and the chimney breast of boiler connect, the cigarette water
The cigarette side outlet of heat exchanger 6 is connected with the air inlet of gas-liquid separator 9, and exhaust outlet is equipped at the top of the gas-liquid separator 9,
Discharge outlet is equipped in the bottom of the gas-liquid separator 9, dosing mouth is equipped in the side of the gas-liquid separator 9, is added described
It is connected with chemicals dosing plant 10 on medicine mouth, most sulfur dioxide and nitrogen oxides are dissolved in after condensed water and institute's dosing in flue gas
Object chemically reacts, and the pollutant discharge amount into air is greatly decreased.
In the present embodiment, the water side entrance of the evaporator 4 passes through inlet triplet for water 11 and the water of the cigarette water- to-water heat exchanger 6
Side outlet and the outlet of the return water main pipe of user's air-conditioning system connect respectively, are connecting the import of the inlet triplet for water 11 and the cigarette
The water pipe of the water side outlet of water- to-water heat exchanger 6 is equipped with first two-way electronic valve 7, and the water side outlet of the evaporator 4 passes through
Outlet three way 12 and the water side entrance of the cigarette water- to-water heat exchanger 6 and being connected respectively for water conduit tube entrance for user's air-conditioning system,
The water pipe of the outlet and the water side entrance of the cigarette water- to-water heat exchanger 6 that connect the outlet three way 12 is equipped with the circulating pump 5.
The heat supply in winter operating mode of above-mentioned heat pump unit is：First two-way electronic valve 7 is opened, and described second electronic two is logical
Valve 8 is closed, and the evaporator 4 is connected with the flue gas heat-exchange unit 6, evaporator 4, outlet three way 12, the circulating pump being sequentially connected
5th, cigarette water- to-water heat exchanger 6, the first two-way electronic valve 7 and inlet triplet for water 11 form recirculated water waste heat recovering loop, the flue gas heat exchange
Device 6 provides low-grade heat source for the evaporator 4, and the evaporator 4 recycles the waste heat of boiler smoke.Above-mentioned heat pump machine
Group summer cooling operating mode be：First two-way electronic valve 7 is closed, and second two-way electronic valve 8 is opened, the evaporator
4 be connected with user's air-conditioning system after cooling.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific embodiment stated, above-mentioned specific embodiment is only schematical, be not it is restricted, this field it is common
Technical staff, in the case where not departing from present inventive concept and scope of the claimed protection, goes back under the enlightenment of the present invention
Many forms can be made, within these are all belonged to the scope of protection of the present invention.
Claims (2)
1. a kind of electric drive heat pump unit with smoke comprehensive processing function, including by compressor, condenser, throttle valve and steaming
The refrigerant cycle circuit that device is formed is sent out, the cryogen side of the condenser and the cryogen side of the evaporator are connected to the cryogen and follow
In loop back path, the water side of the condenser and the water side of the evaporator are connected with user's air-conditioning system, which is characterized in that described
The water side of evaporator also is connected to form recirculated water waste heat recovering loop with the water side of cigarette water- to-water heat exchanger, is returned in the recirculated water waste heat
It withdraws road and is equipped with the first two-way electronic valve and circulating pump, it is electronic that second is equipped on the return water main pipe of user's air-conditioning system
Two-way valve, the cigarette side entrance of the cigarette water- to-water heat exchanger and the chimney breast of boiler connect, the cigarette side outlet of the cigarette water- to-water heat exchanger
It is connected with the air inlet of gas-liquid separator, exhaust outlet is equipped at the top of the gas-liquid separator, in the gas-liquid separator
Bottom is equipped with discharge outlet, is equipped with dosing mouth in the side of the gas-liquid separator, chemicals dosing plant is connected on the dosing mouth.
2. the electric drive heat pump unit according to claim 1 with smoke comprehensive processing function, which is characterized in that described
It is done by inlet triplet for water and the water side outlet of the cigarette water- to-water heat exchanger and the return water of user's air-conditioning system the water side entrance of evaporator
Pipe outlet connects respectively, is equipped on water pipe of the import of the inlet triplet for water with the water side outlet of the cigarette water- to-water heat exchanger is connected
First two-way electronic valve, the water side outlet of the evaporator pass through the water side entrance of outlet three way and the cigarette water- to-water heat exchanger
It is connected respectively for water conduit tube entrance with user's air-conditioning system, is connecting the outlet of the outlet three way and the cigarette water- to-water heat exchanger
Water side entrance water pipe be equipped with the circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038397.1A CN108106044A (en) | 2018-01-16 | 2018-01-16 | Electric drive heat pump unit with smoke comprehensive processing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038397.1A CN108106044A (en) | 2018-01-16 | 2018-01-16 | Electric drive heat pump unit with smoke comprehensive processing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108106044A true CN108106044A (en) | 2018-06-01 |
Family
ID=62218638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810038397.1A Pending CN108106044A (en) | 2018-01-16 | 2018-01-16 | Electric drive heat pump unit with smoke comprehensive processing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030571A (en) * | 2019-05-20 | 2019-07-19 | 北京华誉智慧能源科技有限责任公司 | A kind of system taking off the recycling of bletilla waste heat for flue gas |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912113A1 (en) * | 1989-04-13 | 1989-12-07 | Ekkehard Dipl Ing Bretting | Expanded multi-unit (unit-type) district heating power (heating and power, heat-and-power generating, heat-electric) station (MDHPS) having a heat pump for integrating residual heat |
| JP2004308949A (en) * | 2003-04-03 | 2004-11-04 | Miura Co Ltd | Waste heat recovery system |
| CN202101331U (en) * | 2011-03-24 | 2012-01-04 | 湖南博源能源管理有限公司 | Heat pump water-heating system using central air-conditioner cooling water and low-temperature flue gas afterheat |
| JP2013057467A (en) * | 2011-09-09 | 2013-03-28 | Science Kk | Waste heat recovery type heat pump |
| CN104266409A (en) * | 2014-09-26 | 2015-01-07 | 北京金房暖通节能技术股份有限公司 | Water-source heat pump unit and flue gas waste heat recovery device combined operation system and control method thereof |
| CN105126572A (en) * | 2015-09-25 | 2015-12-09 | 中国神华能源股份有限公司 | Flue gas mercury removing device, combustion system and flue gas mercury removing method |
| CN205174408U (en) * | 2015-10-30 | 2016-04-20 | 中冶南方工程技术有限公司 | Gas device of discharging fume |
| US20170234550A1 (en) * | 2014-08-20 | 2017-08-17 | Intellihot Green Technologies, Inc. | Combined hot water and air heating and conditioning system including heat pump |
| CN207797449U (en) * | 2018-01-16 | 2018-08-31 | 天津大学建筑设计研究院 | Electric drive heat pump unit with smoke comprehensive processing function |
-
2018
- 2018-01-16 CN CN201810038397.1A patent/CN108106044A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912113A1 (en) * | 1989-04-13 | 1989-12-07 | Ekkehard Dipl Ing Bretting | Expanded multi-unit (unit-type) district heating power (heating and power, heat-and-power generating, heat-electric) station (MDHPS) having a heat pump for integrating residual heat |
| JP2004308949A (en) * | 2003-04-03 | 2004-11-04 | Miura Co Ltd | Waste heat recovery system |
| CN202101331U (en) * | 2011-03-24 | 2012-01-04 | 湖南博源能源管理有限公司 | Heat pump water-heating system using central air-conditioner cooling water and low-temperature flue gas afterheat |
| JP2013057467A (en) * | 2011-09-09 | 2013-03-28 | Science Kk | Waste heat recovery type heat pump |
| US20170234550A1 (en) * | 2014-08-20 | 2017-08-17 | Intellihot Green Technologies, Inc. | Combined hot water and air heating and conditioning system including heat pump |
| CN104266409A (en) * | 2014-09-26 | 2015-01-07 | 北京金房暖通节能技术股份有限公司 | Water-source heat pump unit and flue gas waste heat recovery device combined operation system and control method thereof |
| CN105126572A (en) * | 2015-09-25 | 2015-12-09 | 中国神华能源股份有限公司 | Flue gas mercury removing device, combustion system and flue gas mercury removing method |
| CN205174408U (en) * | 2015-10-30 | 2016-04-20 | 中冶南方工程技术有限公司 | Gas device of discharging fume |
| CN207797449U (en) * | 2018-01-16 | 2018-08-31 | 天津大学建筑设计研究院 | Electric drive heat pump unit with smoke comprehensive processing function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030571A (en) * | 2019-05-20 | 2019-07-19 | 北京华誉智慧能源科技有限责任公司 | A kind of system taking off the recycling of bletilla waste heat for flue gas |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 300073 Tianda architectural creative building (Science Park), No.192 Anshan West Road, Nankai District, Tianjin Applicant after: Tianjin University architectural design and Planning Research Institute Co.,Ltd. Address before: No.192 Anshan West Road, Nankai District, Tianjin 300073 Applicant before: TIANJIN University RESEARCH INSTITUTE OF ARCHITECTRUAL DESIGN & URBAN PLANNING |
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Application publication date: 20180601 |
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