CN106940024A - A kind of flue gas waste heat recovery reheat system - Google Patents
A kind of flue gas waste heat recovery reheat system Download PDFInfo
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- CN106940024A CN106940024A CN201710250150.1A CN201710250150A CN106940024A CN 106940024 A CN106940024 A CN 106940024A CN 201710250150 A CN201710250150 A CN 201710250150A CN 106940024 A CN106940024 A CN 106940024A
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- flue gas
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- heat exchanger
- plastic tube
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Classifications
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- 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
- F23J15/006—Layout of treatment plant
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- 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
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- 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
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/13001—Preventing or reducing corrosion in chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/15081—Reheating of flue gases
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of flue gas waste heat recovery reheat system, including desulfurizing tower, wet electrical dust precipitator and chimney, wet electrical dust precipitator and chimney are connected by flue, also include condensation water tank, the first medicine-chest, the second medicine-chest, water supply tank, absorption heat pump, the first teflon heat exchanger and the second teflon heat exchanger；First teflon heat exchanger and the second teflon heat exchanger are successively set in flue；The environmental protection treatment of this new recycling for realizing fume afterheat and water and recycle, saved resource；And the fixed frame lower end of the first teflon heat exchanger and the second teflon heat exchanger is provided with sewage draining exit, dust in condensed water can be discharged by sewage draining exit, effectively solve the phenomenon that the chimney such as steam power plant and power plant emits white cigarette, lower gypsum rain around power plant is avoided, while solving low-temperature flue gas violent etching problem of the indiffusion to chimney in chimney for a long time.
Description
Technical field
The present invention relates to technical field, specifically a kind of flue gas waste heat recovery reheat system.
Background technology
Current coal-burning power plant is quickly grown, and coal-burning power plant's water consumption is big, and flue gas can carry substantial amounts of water after wet desulphurization
Point, and these moisture are typically discharged with chimney, cause the waste of water resource；On the other hand, current processing method is by desulfurization
Flue gas in tower is removed by wet electrical dust precipitator to be had containing the dirt in humid gas, acid mist, water droplet, aerosol, stink, PM2.5 etc.
After evil material, it is drained into by chimney in air, but is due to the flue-gas temperature relatively low generally 50 ~ 55 after this method processing
DEG C, and humidity is bigger than normal, the undercapacity of chimney, can produce dense heavy white cigarette, is unfavorable for pollutant high aerial quick
Diffusion velocity；In addition, existing method in flue gas to being dissolved in SO3Condensed water Deng sour gas can not circulate profit well
With, and have very strong corrosivity to chimney, while the small molecule particle content in chimney is still larger, even if passing through chimney
Discharge also can seriously polluted environment.
The content of the invention
Low to solve above-mentioned flue-gas temperature, moisture is big, and particle content is high, is unfavorable for chimney smoke and quickly spreads, flue gas
The problems such as middle acidity too high seriously corroded to chimney, the invention provides a kind of flue gas waste heat recovery reheat system.
The present invention is achieved through the following technical solutions：
A kind of flue gas waste heat recovery reheat system, including desulfurizing tower, wet electrical dust precipitator and chimney, wet electrical dust precipitator and cigarette
Chimney is connected by flue, also including condensation water tank, the first medicine-chest, the second medicine-chest, water supply tank, absorption heat pump, the first fluoroplastics
Heat exchanger and the second teflon heat exchanger；First teflon heat exchanger and the second teflon heat exchanger are successively set on flue
In；
First teflon heat exchanger is tube shell type structure, and inside is the first fluorine plastic tube, and outside is provided with the first fixed frame
Frame, the first fixed frame prevents that the first fluorine plastic tube from shaking deformation effect heat transfer effect under the impact of flue gas, and flue gas is moulded in fluorine
Material heat exchange ligament passes through；First fluorine plastic tube connects absorption heat pump cold water side by pipeline, realizes the cooling to flue gas, uses
To reduce the moisture in condensation flue gas；First fixed frame lower end sets discharge outlet, and discharge outlet connects condensation water tank by pipeline；
Second teflon heat exchanger is tube shell type structure, and inside is the second fluorine plastic tube, and outside is provided with the second fixed frame
Frame；Second fluorine plastic tube connects absorption heat pump hot water side by pipeline, realizes the heating to flue gas；Second fixed frame is prevented
Second fluorine plastic tube shakes deformation effect heat transfer effect under the impact of flue gas, and flue gas passes through in fluoroplastics heat exchange ligament；
Condensation water tank connects water supply tank by pipeline, and water supply tank connects the first small pump and the second small pump, and the first small pump connects
The pipeline of absorption heat pump cold water side water inlet is connect, the second small pump connects the pipeline of absorption heat pump hot water side delivery port, with
Just moisturizing is carried out to absorption heat pump；
The first medicine-chest is connected on the pipeline of connection discharge outlet and condensation water tank, the first medicine-chest is built with alkali lye, to remove in pipeline
It is dissolved in the sour gas in condensed water；
The second medicine-chest is connected on the pipeline of condensation water tank and water supply tank, the second medicine-chest softens condensed water built with softening aqua
After be passed through water supply tank.
It is preferred that, the first teflon heat exchanger upper end sets the first water inlet and the first delivery port, the first fluorine plastic tube
Water inlet end is the first water inlet, and the water side of the first fluorine plastic tube is the first delivery port, and the first water inlet and absorption type heat
Pump cold water side delivery port is connected by pipeline, and the first delivery port is connected with absorption heat pump cold water side water inlet by pipeline.
It is preferred that, the second teflon heat exchanger upper end sets the second water inlet and the second delivery port；Second fluorine plastic tube
Water inlet end is the second water inlet, and the water side of the second fluorine plastic tube is the second delivery port, and the second water inlet and absorption type heat
Pump hot water side delivery port is connected by pipeline, and the second delivery port and absorption heat pump hot water side water inlet are connected by pipeline.
It is preferred that, alkali lye is the sodium hydroxide solution that mass concentration is 10 ~ 20%.
It is preferred that, the first fixed frame lower end sets the first sewage draining exit, and the second fixed frame lower end sets the second sewage draining exit.
The present invention has advantages below compared with prior art：
This new temperature reduction for utilizing the first teflon heat exchanger by flue gas, is reduced to 35 ~ 40 DEG C, to remove from 50 ~ 55 DEG C
The vapor in flue is condensed, flue-gas temperature is then brought up to 75 ~ 80 DEG C after the second teflon heat exchanger, then passed through
Smoke stack emission, the diffusion effect of chimney is good；
Originally it is new that desulfurization fume is cooled down first with absorption heat pump, then flue gas is heated again, be instead of existing
Some flue gas heat-exchange units, realize the recycling of fume afterheat；Secondly, the vapor in flue removes molten by the first medicine-chest
Acidic materials in Xie Yushui, then carry out sofening treatment, into water supply tank, water supply tank and absorption heat pump by the second medicine-chest
Connection, moisturizing is carried out to absorption heat pump, is realized the environmental protection treatment of water and is recycled, has saved resource；Again, the first fluorine
The dust that the fixed frame lower end of plastic heat exchanger and the second teflon heat exchanger is provided with sewage draining exit, condensed water can lead to
Cross sewage draining exit to be discharged, effectively solve the phenomenon that the chimney such as steam power plant and power plant emits white cigarette, it is to avoid lower stone around power plant
Cream rain, while solving low-temperature flue gas violent etching problem of the indiffusion to chimney in chimney for a long time.
Brief description of the drawings
Fig. 1 is the structural representation of flue gas waste heat recovery reheat system；Fig. 2 is flue gas waste heat recovery reheat system
Another structural representation.
Reference：The water supply tank 7 of 1 desulfurizing tower, 2 wet electrical dust precipitator, 3 chimney, 4 flue, 5 condensation water tank 6
The medicine-chest 81 of 10 first medicine-chest of absorption heat pump 8 first teflon heat exchanger, 9 second teflon heat exchanger 11 second
The water inlet of first 82 first water inlet of delivery port, 83 discharge outlet, 84 first sewage draining exit, 91 second delivery port 92 second
93 second sewage draining exits.
Embodiment
It is an object of the invention to provide a kind of flue gas waste heat recovery reheat system, come below in conjunction with specific embodiment to this
Invention is further described.
Softening aqua used by following examples for it is outstanding can the production of chemical industry insulation material Co., Ltd boiler soft water agent.
Embodiment 1
As shown in figure 1, a kind of flue gas waste heat recovery reheat system, including desulfurizing tower 1, wet electrical dust precipitator 2 and chimney 3, it is wet
Formula electric cleaner 2 and chimney 3 are connected by flue 4, also including condensation water tank 5, the first medicine-chest 10, the second medicine-chest 11, water supply tank
6th, absorption heat pump 7, the first teflon heat exchanger 8 and the second teflon heat exchanger 9；First teflon heat exchanger 8 and
Two teflon heat exchangers 9 are successively set in flue 4；The heat that first teflon heat exchanger 8 is absorbed in flue gas moulds the first fluorine
Cool water heating in expects pipe, while flue gas after temperature reduction water vapour condensation due to entering condensation water tank 5, absorption heat pump 7 is inhaled
Receive the heat of cold water and with the heat hot water, and hot water is continued to be heated to input the second fluoroplastics after higher temperature changed
Hot device 9, for heating low-temperature flue gas；
First teflon heat exchanger 8 is tube shell type structure, and inside is the first fluorine plastic tube, and outside is provided with the first fixed frame
Frame, the first fixed frame prevents that the first fluorine plastic tube from shaking deformation effect heat transfer effect under the impact of flue gas, and flue gas is moulded in fluorine
Material heat exchange ligament passes through；First fluorine plastic tube connects the cold water side of absorption heat pump 7 by pipeline, realizes the cooling to flue gas,
To reduce the moisture in condensation flue gas；First fixed frame lower end sets discharge outlet, and discharge outlet connects condensed water by pipeline
Case 5；
Second teflon heat exchanger 9 is tube shell type structure, and inside is the second fluorine plastic tube, and outside is provided with the second fixed frame
Frame；Second fluorine plastic tube connects the hot water side of absorption heat pump 7 by pipeline, realizes the heating to flue gas；Second fixed frame is prevented
Only the second fluorine plastic tube shakes deformation effect heat transfer effect under the impact of flue gas, and flue gas passes through in fluoroplastics heat exchange ligament；
Condensation water tank 5 connects water supply tank 6 by pipeline, and water supply tank 6 connects the first small pump and the second small pump, the first small pump
The pipeline of the cold water side water inlet of absorption heat pump 7 is connected, the second small pump connects the pipe of the hot water side delivery port of absorption heat pump 7
Road, to carry out moisturizing to absorption heat pump 7；
The first medicine-chest 10 is connected on the pipeline of connection discharge outlet and condensation water tank 5, the first medicine-chest 10 is built with alkali lye, to remove pipe
The sour gas in condensed water is dissolved in road；
The second medicine-chest 11 is connected on the pipeline of condensation water tank 5 and water supply tank 6, the second medicine-chest 11 will be condensed built with softening aqua
Water supply tank 6 is passed through after water softening.
Embodiment 2
As shown in figure 1, a kind of flue gas waste heat recovery reheat system, including desulfurizing tower 1, wet electrical dust precipitator 2 and chimney 3, it is wet
Formula electric cleaner 2 and chimney 3 are connected by flue 4, also including condensation water tank 5, the first medicine-chest 10, the second medicine-chest 11, water supply tank
6th, absorption heat pump 7, the first teflon heat exchanger 8 and the second teflon heat exchanger 9；First teflon heat exchanger 8 and
Two teflon heat exchangers 9 are successively set in flue 4；The heat that first teflon heat exchanger 8 is absorbed in flue gas moulds the first fluorine
Cool water heating in expects pipe, while flue gas after temperature reduction water vapour condensation due to entering condensation water tank 5, absorption heat pump 7 is inhaled
Receive the heat of cold water and with the heat hot water, and hot water is continued to be heated to input the second fluoroplastics after higher temperature changed
Hot device 9, for heating low-temperature flue gas；
First teflon heat exchanger 8 is tube shell type structure, and inside is the first fluorine plastic tube, and outside is provided with the first fixed frame
Frame, the first fixed frame prevents that the first fluorine plastic tube from shaking deformation effect heat transfer effect under the impact of flue gas, and flue gas is moulded in fluorine
Material heat exchange ligament passes through；First fluorine plastic tube connects the cold water side of absorption heat pump 7 by pipeline, realizes the cooling to flue gas,
To reduce the moisture in condensation flue gas；First fixed frame lower end sets the first sewage draining exit 84 and discharge outlet 83, the first blowdown
Mouth 84 discharges the particle of the insoluble in water in flue gases, and discharge outlet 83 passes through pipeline and connects condensation water tank 5；First teflon heat exchanger 8
Upper end sets the first water inlet 82 and the first delivery port 81, and the water inlet end of the first fluorine plastic tube is the first water inlet 82, the first fluorine
The water side of plastic tube is the first delivery port 82, and the first water inlet 82 passes through pipe with the cold water side delivery port of absorption heat pump 7
Road is connected, and the first delivery port 81 is connected with the cold water side water inlet of absorption heat pump 7 by pipeline；Water is in the first teflon heat exchanger
In walk tube side, flue gas walks shell side；First water inlet water temperature is 15 DEG C or so, and cold water absorbs the latent heat in flue gas, flue-gas temperature
40 DEG C or so are cooled to by 50 DEG C or so, cold water is also heated to 25 DEG C or so, meanwhile, the condensed water in flue gas is separated out, and is passed through
Discharge outlet enters condensation water tank 5；
First teflon heat exchanger 8 can also be existing modular fluoroplastics one-level flue gas heat-exchange unit, and internal first
Fluorine plastic tube is U-shaped, and arragement direction is parallel with flow of flue gas direction, reduces flue gas resistance；
Pass through flue and the inlet side communication of the second teflon heat exchanger 9 by the exhanst gas outlet side of the first teflon heat exchanger 8, the
Two teflon heat exchangers 9 are tube shell type structure, and inside is the second fluorine plastic tube, and outside is provided with the second fixed frame, the second fluorine
Plastic tube connects the hot water side of absorption heat pump 7 by pipeline, and the second fixed frame prevents the second fluorine plastic tube in the impact of flue gas
Lower shake deformation effect heat transfer effect, flue gas passes through in fluoroplastics heat exchange ligament；The upper end of second teflon heat exchanger 9 sets the
Two water inlets 92 and the second delivery port 91；The water inlet end of second fluorine plastic tube is second water inlet 92, and the second fluorine plastic tube goes out
Water end (W.E.) is the second delivery port 91, and the second water inlet 92 is connected with the hot water side delivery port of absorption heat pump 7 by pipeline, second
Delivery port 91 and the hot water side water inlet of absorption heat pump 7 are connected by pipeline；Second fixed frame lower end sets the second sewage draining exit
93, the particle deposited for discharging in flue reaches the purified treatment purpose of flue gas；
Second teflon heat exchanger 9 can also be existing modular fluoroplastics secondary smoke heat exchanger, and internal second
Fluorine plastic tube is U-shaped, and arragement direction is parallel with flow of flue gas direction, reduces flue gas resistance；
The cold water for absorbing waste heat in flue gas enters absorption heat pump 7, and absorption heat pump 7 absorbs the heat in cold water, and leads to
The drive energies such as natural gas, electricity, steam, oil are crossed by hot water heating to 90 DEG C or so, then enter by the second water inlet 92
Two teflon heat exchangers 9 carry out heat exchange with flue gas, and hot water flows from the second fluorine plastic tube, and low-temperature flue gas is logical in ligament
Cross, the heat transfer in hot water is to low-temperature flue gas, and the outlet temperature of the hot water after heat exchange is 90 DEG C or so, and flue gas is then by 40 DEG C
Left and right is warming up to 80 DEG C or so, is then discharged by chimney；
The first medicine-chest 10 is connected on the pipeline of connection discharge outlet and condensation water tank 5, the first medicine-chest 10 is built with alkali lye, the alkali lye
It can be that alkali lye in the sodium hydroxide solution that mass concentration is 10 ~ 20%, the first medicine-chest 10 squeezes into pipeline by water pump, be used for
Remove and sour gas in condensed water is dissolved in pipeline, the second medicine-chest 11 is connected on the pipeline of condensation water tank 5 and water supply tank 6, the
Two medicine-chests 11 are passed through water supply tank 6 built with softening aqua after condensed water is softened；Condensation water tank 5 connects water supply tank by pipeline
6, water supply tank 6 connects the first small pump and the second small pump, and the first small pump connects the pipe of the cold water side water inlet of absorption heat pump 7
Road, the second small pump connects the pipeline of the hot water side delivery port of absorption heat pump 7, and the first small pump and the pressurization of the second small pump will be soft
Change water to be added on the cold water side entrance of absorption heat pump 7 and the hot water side export pipeline of absorption heat pump 7, absorption heat pump 7 is entered
Row moisturizing；So constitute a circulatory system and constantly absorb wet except exiting flue gas waste heat, chimney is heated with the hot water after heating
Preceding low-temperature flue gas.
Claims (5)
1. a kind of flue gas waste heat recovery reheat system, including desulfurizing tower（1）, wet electrical dust precipitator（2）And chimney（3）, wet type
Electric cleaner（2）And chimney（3）Pass through flue（4）Connection, it is characterised in that：Also include condensation water tank（5）, the first medicine-chest
（10）, the second medicine-chest（11）, water supply tank（6）, absorption heat pump（7）, the first teflon heat exchanger（8）With the heat exchange of the second fluoroplastics
Device（9）；First teflon heat exchanger（8）With the second teflon heat exchanger（9）It is successively set on flue（4）In；
First teflon heat exchanger（8）For tube shell type structure, inside is the first fluorine plastic tube, and outside is provided with the first fixation
Framework, the first fixed frame prevents that the first fluorine plastic tube from shaking deformation effect heat transfer effect under the impact of flue gas, and flue gas is in fluorine
Plastic heat exchanger ligament passes through；First fluorine plastic tube connects absorption heat pump by pipeline（7）Cold water side, realizes the drop to flue gas
Temperature, to reduce the moisture in condensation flue gas；First fixed frame lower end sets discharge outlet（83）, discharge outlet（83）Pass through pipeline
Connect condensation water tank（5）；
Second teflon heat exchanger（9）For tube shell type structure, inside is the second fluorine plastic tube, and outside is provided with the second fixation
Framework；Second fluorine plastic tube connects absorption heat pump by pipeline（7）Hot water side, realizes the heating to flue gas；Second fixed frame
Frame prevents that the second fluorine plastic tube from shaking deformation effect heat transfer effect under the impact of flue gas, and flue gas leads in fluoroplastics heat exchange ligament
Cross；
Condensation water tank（5）Water supply tank is connected by pipeline（6）, water supply tank（6）Connect the first small pump and the second small pump, first
Small pump connects absorption heat pump（7）The pipeline of cold water side water inlet, the second small pump connection absorption heat pump（7）Hot water side goes out
The pipeline at the mouth of a river, so as to absorption heat pump（7）Carry out moisturizing；
Connect discharge outlet（83）And condensation water tank（5）Pipeline on connect the first medicine-chest（10）, the first medicine-chest（10）Built with alkali
Liquid, to remove the sour gas being dissolved in pipeline in condensed water；
Condensation water tank（5）And water supply tank（6）Pipeline on connect the second medicine-chest（11）, the second medicine-chest（11）Built with softened water
Agent, water supply tank is passed through after condensed water is softened（6）.
2. a kind of flue gas waste heat recovery reheat system according to claim 1, it is characterised in that：
First teflon heat exchanger（8）Upper end sets the first water inlet（82）With the first delivery port（81）, the first fluorine plastic tube
Water inlet end is the first water inlet（82）, the water side of the first fluorine plastic tube is the first delivery port（81）, and the first water inlet
（82）With absorption heat pump（7）Cold water side delivery port is connected by pipeline, the first delivery port（81）With absorption heat pump（7）Cold water
Side water inlet is connected by pipeline.
3. a kind of flue gas waste heat recovery reheat system according to claim 1, it is characterised in that：Second fluoroplastics exchange heat
Device（9）Upper end sets the second water inlet（92）With the second delivery port（91）；The water inlet end of second fluorine plastic tube is the second water inlet
（92）, the water side of the second fluorine plastic tube is the second delivery port（91）, and the second water inlet（92）With absorption heat pump（7）Heat
Water side delivery port is connected by pipeline, the second delivery port（91）And absorption heat pump（7）Hot water side water inlet is connected by pipeline.
4. a kind of flue gas waste heat recovery reheat system according to claim 1, it is characterised in that：The alkali lye is quality
Concentration is 10 ~ 20% sodium hydroxide solution.
5. a kind of flue gas waste heat recovery reheat system according to claim 1, it is characterised in that：Under first fixed frame
End sets the first sewage draining exit（84）, the second fixed frame lower end sets the second sewage draining exit（93）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250150.1A CN106940024A (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery reheat system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250150.1A CN106940024A (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery reheat system |
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| Publication Number | Publication Date |
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| CN106940024A true CN106940024A (en) | 2017-07-11 |
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ID=59464265
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250150.1A Pending CN106940024A (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery reheat system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282147A (en) * | 2018-11-02 | 2019-01-29 | 河南昊化黎明智能清洗科技有限公司 | A kind of lubrication temperature control equipment of water |
| CN113494717A (en) * | 2021-05-26 | 2021-10-12 | 长春国信新城供热工程有限公司 | Novel heating system |
-
2017
- 2017-04-17 CN CN201710250150.1A patent/CN106940024A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282147A (en) * | 2018-11-02 | 2019-01-29 | 河南昊化黎明智能清洗科技有限公司 | A kind of lubrication temperature control equipment of water |
| CN113494717A (en) * | 2021-05-26 | 2021-10-12 | 长春国信新城供热工程有限公司 | Novel heating system |
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