CN109084476A - A kind of conduction oil heat-exchange system and its working method - Google Patents
A kind of conduction oil heat-exchange system and its working method Download PDFInfo
- Publication number
- CN109084476A CN109084476A CN201810898947.7A CN201810898947A CN109084476A CN 109084476 A CN109084476 A CN 109084476A CN 201810898947 A CN201810898947 A CN 201810898947A CN 109084476 A CN109084476 A CN 109084476A
- Authority
- CN
- China
- Prior art keywords
- oil
- water
- heat
- thermally conductive
- temperature
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
Abstract
The present invention relates to a kind of conduction oil heat-exchange system and its working methods.It is desirable to which a kind of conduction oil heat-exchange system is used for Precise Control of Oil Temperature.The present invention includes conduction oil-water- to-water heat exchanger, combustion gas-heat-condutive oil heat exchanger, oil circulating pump, associated pipe and related tune valve；By the aperture regulation of different adjustment valve in conduction oil heat-exchange system, thermally conductive oil temperature is accurately controlled in claimed range, to achieve the purpose that stability contorting fuel gas temperature.Operation of the present invention is simple, at low cost, is suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of conduction oil heat-exchange system and its working methods.
Background technique
Conduction oil heat-exchange system refers to the system to exchange heat using conduction oil, be based on forced circulation design philosophy and
The system of research and development.Conduction oil, also known as organic heat carrier or thermal medium oil, as intermediate heat transfer media during industrial heat exchange
Using existing 50 years or more history, such as application No. is the Chinese patents of 200520031634.X.Using conduction oil as medium, benefit
Liquid phase circulation is carried out with hot-oil circulation oil pump forced medium, thermal energy is conveyed to and returns again to heating furnace after heating equipment and adds again
Heat has and obtains high operating temperature under low pressure, and can run to medium and carry out high-accuracy control work.Therefore,
A kind of conduction oil heat-exchange system is designed to be necessary for Precise Control of Oil Temperature.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and a kind of reasonable conduction oil of design is provided and is changed
Hot systems and its working method, realization accurately control thermally conductive oil temperature.
Technical solution used by the present invention solves the above problems is: a kind of conduction oil heat-exchange system, which is characterized in that packet
Include conduction oil-water- to-water heat exchanger, combustion gas-heat-condutive oil heat exchanger, oil circulating pump, high-temperature water pipeline, low temperature water lines, high-temperature fuel gas pipe
Road, low temperature fuel gas pipeline, the thermally conductive oil circulating pipe of No.1, No. two thermally conductive oil circulating pipes, No. three thermally conductive oil circulating pipes, No.1 tune valve,
No. two tune valves and No. three tune valves；Conduction oil-the water- to-water heat exchanger and combustion gas-heat-condutive oil heat exchanger pass through the thermally conductive oil circulating pipe of No.1
It connects, No. three tune valves is installed on the thermally conductive oil circulating pipe of No.1；Conduction oil-the water- to-water heat exchanger is followed by No. two conduction oils
Endless tube is connect with oil circulating pump, and the oil circulating pump is connect by No. three thermally conductive oil circulating pipes with combustion gas-heat-condutive oil heat exchanger；Institute
It states the thermally conductive oil circulating pipe of No.1 to be connected to No. two thermally conductive oil circulating pipes, the thermally conductive oil circulating pipe of No.1 and No. two conduction oil circulations
No.1 tune valve is installed between pipe；The high-temperature water pipeline and low temperature water lines are connect with conduction oil-water- to-water heat exchanger, the height
Warm water tube road is equipped with No. two tune valves；The high-temperature fuel gas pipeline and low temperature fuel gas pipeline with combustion gas-heat-condutive oil heat exchanger
Connection.
Furthermore, the conduction oil-water- to-water heat exchanger is provided with low temperature water inlet, high temperature water out, No.1 conduction oil
Import and No.1 conduction oil outlet；The low temperature water lines are connect with low temperature water inlet, and the high-temperature water pipeline goes out with high-temperature water
Mouth connection, the thermally conductive oil circulating pipe of No.1 are connect with No.1 heat conductive oil inlet, and No. two thermally conductive oil circulating pipes are led with No.1
Hot oil outlet connection.
Furthermore, the combustion gas-heat-condutive oil heat exchanger be provided with fuel gas inlet, gas outlet, No. two conduction oils into
Mouth and No. two conduction oil outlets；The high-temperature fuel gas pipeline is connect with fuel gas inlet, the low temperature fuel gas pipeline and gas outlet
Connection, No. three thermally conductive oil circulating pipes connect with No. two heat conductive oil inlets, the thermally conductive oil circulating pipe of No.1 and No. two it is thermally conductive
Oil export connection.
Furthermore, the oil circulating pump is provided with No. three heat conductive oil inlets and No. three conduction oil outlets；Described No. two
Thermally conductive oil circulating pipe is connect with No. three heat conductive oil inlets, and No. three thermally conductive oil circulating pipes are connect with No. three conduction oil outlets.
A kind of working method of conduction oil heat-exchange system as described above, which is characterized in that the working method is as follows: logical
Crossing combustion gas-heat-condutive oil heat exchanger makes high-temperature fuel gas cooling become low temperature combustion gas, at this point, conduction oil in combustion gas-heat-condutive oil heat exchanger
Temperature increases；Water at low temperature is set to become high-temperature water by conduction oil-water- to-water heat exchanger, at this point, thermally conductive oil temperature in conduction oil-water- to-water heat exchanger
It reduces；Aperture by adjusting No.1 tune valve, No. two tune valves and/or No. three tune valves controls thermally conductive in combustion gas-heat-condutive oil heat exchanger
The temperature of oil, in order not to make fuel gas temperature be reduced to tar Precipitation Temperature, by thermally conductive Oil-temperature control at combustion gas-heat-condutive oil heat exchanger
Within the scope of 260-280 DEG C.
Furthermore, it under usual condition, is adjusted by No.1 tune valve by the thermally conductive oil stream of conduction oil-water- to-water heat exchanger
It measures, and adjusts the flow of cooling water by No. two tune valves, achieve the purpose that the thermally conductive oil temperature of control.
Furthermore, (the low water when No.1 tune valve is fully open, and cooling water is reduced to permitted minimum flow
Flow can generate high water temperature, need control water temperature that hereinafter, otherwise water can generate vaporization, it is steady to influence system in saturation temperature in operation
Calmly), thermally conductive oil temperature is still not able to rise to required temperature at combustion gas-heat-condutive oil heat exchanger, at this point, by adjusting No. three tune
Valve, conduction oil-water- to-water heat exchanger oil stream amount is gone in reduction, so that oil temperature is increased to required range.
Compared with prior art, the present invention having the following advantages that and effect: by such conduction oil heat-exchange system, it can be achieved that
The control accurate of thermally conductive oil temperature, to achieve the purpose that stability contorting fuel gas temperature.Whole system is easy to operate, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
In figure: conduction oil-water- to-water heat exchanger 1, combustion gas-heat-condutive oil heat exchanger 2, oil circulating pump 3, high-temperature water pipeline 4, water at low temperature
8, No. two thermally conductive oil circulating pipes 9, three of the thermally conductive oil circulating pipe of pipeline 5, high-temperature fuel gas pipeline 6, low temperature fuel gas pipeline 7, No.1 are led
Hot-oil circulation pipe 10, the tune valve 13 of tune valve 12, three of No.1 tune valve 11, two.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1, a kind of conduction oil heat-exchange system, including conduction oil-water- to-water heat exchanger 1, combustion gas-heat-condutive oil heat exchanger 2, follow
Ring oil pump 3, high-temperature water pipeline 4, low temperature water lines 5, high-temperature fuel gas pipeline 6, low temperature fuel gas pipeline 7, the thermally conductive oil circulating pipe of No.1
8,9, No. three thermally conductive oil circulating pipes 10 of No. two thermally conductive oil circulating pipes, 11, No. two tune valves 12 of No.1 tune valve and No. three tune valves 13；It is described
Conduction oil-water- to-water heat exchanger 1 is connect with combustion gas-heat-condutive oil heat exchanger 2 by the thermally conductive oil circulating pipe 8 of No.1, the No.1 conduction oil
No. three tune valves 13 are installed on circulation pipe 8；Conduction oil-the water- to-water heat exchanger 1 passes through No. two thermally conductive oil circulating pipes 9 and oil circulating pump
3 connections, the oil circulating pump 3 are connect by No. three thermally conductive oil circulating pipes 10 with combustion gas-heat-condutive oil heat exchanger 2；The No.1 is led
Hot-oil circulation pipe 8 is connected to No. two thermally conductive oil circulating pipes 9, the thermally conductive oil circulating pipe 8 of the No.1 and No. two thermally conductive oil circulating pipes 9 it
Between No.1 tune valve 11 is installed；The high-temperature water pipeline 4 and low temperature water lines 5 are connect with conduction oil-water- to-water heat exchanger 1, described
No. two tune valves 12 are installed on high-temperature water pipeline 4；The high-temperature fuel gas pipeline 6 and low temperature fuel gas pipeline 7 with combustion gas-conduction oil
Heat exchanger 2 connects.
In the present embodiment, the conduction oil-water- to-water heat exchanger 1 is provided with low temperature water inlet, high temperature water out, No.1 conduction oil
Import and No.1 conduction oil outlet；The low temperature water lines 5 are connect with low temperature water inlet, the high-temperature water pipeline 4 and high-temperature water
Outlet connection, the thermally conductive oil circulating pipe 8 of No.1 are connect with No.1 heat conductive oil inlet, No. two thermally conductive oil circulating pipes 9 and one
The connection of number conduction oil outlet.
In the present embodiment, the combustion gas-heat-condutive oil heat exchanger 2 be provided with fuel gas inlet, gas outlet, No. two conduction oils into
Mouth and No. two conduction oil outlets；The high-temperature fuel gas pipeline 6 is connect with fuel gas inlet, and the low temperature fuel gas pipeline 7 goes out with combustion gas
Mouthful connection, No. three thermally conductive oil circulating pipes 10 connect with No. two heat conductive oil inlets, the thermally conductive oil circulating pipe 8 of the No.1 and No. two
Conduction oil outlet connection.
In the present embodiment, the oil circulating pump 3 is provided with No. three heat conductive oil inlets and No. three conduction oil outlets；Described No. two
Thermally conductive oil circulating pipe 9 is connect with No. three heat conductive oil inlets, and No. three thermally conductive oil circulating pipes 10 are connect with No. three conduction oil outlets.
The working method of above-mentioned conduction oil heat-exchange system is as follows: dropping high-temperature fuel gas by combustion gas-heat-condutive oil heat exchanger 2
Temperature becomes low temperature combustion gas, at this point, conduction oil temperature increases in combustion gas-heat-condutive oil heat exchanger 2；Made by conduction oil-water- to-water heat exchanger 1 low
Warm water becomes high-temperature water, at this point, thermally conductive oil temperature reduces in conduction oil-water- to-water heat exchanger 1；By adjusting No.1 tune valve 11, two
The temperature of conduction oil in the aperture of valve 12 and/or No. three tune valves 13 control combustion gas-heat-condutive oil heat exchanger 2 is adjusted, in order not to make combustion gas
Temperature is reduced to tar Precipitation Temperature, by thermally conductive Oil-temperature control at combustion gas-heat-condutive oil heat exchanger 2 within the scope of 260-280 DEG C.
In the present embodiment, under usual condition, adjusted by No.1 tune valve 11 by the thermally conductive of conduction oil-water- to-water heat exchanger 1
Oil stream amount, and the flow of cooling water is adjusted by No. two tune valves 12, achieve the purpose that the thermally conductive oil temperature of control.
In the present embodiment, when No.1 tune valve 11 is fully open, and cooling water is reduced to permitted minimum flow, combustion
Thermally conductive oil temperature is still not able to rise to required temperature at gas-heat-condutive oil heat exchanger 2, at this point, being subtracted by adjusting No. three tune valves 13
The small oil stream amount for going to conduction oil-water- to-water heat exchanger 1, so that oil temperature is increased to required range.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (7)
1. a kind of conduction oil heat-exchange system, which is characterized in that including conduction oil-water- to-water heat exchanger, combustion gas-heat-condutive oil heat exchanger, follow
Ring oil pump, high-temperature water pipeline, low temperature water lines, high-temperature fuel gas pipeline, low temperature fuel gas pipeline, the thermally conductive oil circulating pipe of No.1, No. two
Thermally conductive oil circulating pipe, No. three thermally conductive oil circulating pipes, No.1 tune valve, No. two tune valves and No. three tune valves；Conduction oil-the water- to-water heat exchanger
It is connect with combustion gas-heat-condutive oil heat exchanger by the thermally conductive oil circulating pipe of No.1, is equipped with No. three on the thermally conductive oil circulating pipe of No.1
Adjust valve；Conduction oil-the water- to-water heat exchanger is connect by No. two thermally conductive oil circulating pipes with oil circulating pump, and the oil circulating pump passes through three
Number thermally conductive oil circulating pipe is connect with combustion gas-heat-condutive oil heat exchanger；The thermally conductive oil circulating pipe of No.1 and No. two thermally conductive oil circulating pipes
Connection, is equipped with No.1 tune valve between the thermally conductive oil circulating pipe of No.1 and No. two thermally conductive oil circulating pipes；The high-temperature water pipeline
It is connect with conduction oil-water- to-water heat exchanger with low temperature water lines, the high-temperature conduit road is equipped with No. two tune valves；The high temperature combustion
Air pipe and low temperature fuel gas pipeline are connect with combustion gas-heat-condutive oil heat exchanger.
2. conduction oil heat-exchange system according to claim 1, which is characterized in that the conduction oil-water- to-water heat exchanger is provided with
Low temperature water inlet, high temperature water out, No.1 heat conductive oil inlet and No.1 conduction oil outlet；The low temperature water lines and water at low temperature into
Mouth connection, the high-temperature water pipeline are connect with high temperature water out, and the thermally conductive oil circulating pipe of No.1 and No.1 heat conductive oil inlet connect
It connects, No. two thermally conductive oil circulating pipes are connect with No.1 conduction oil outlet.
3. conduction oil heat-exchange system according to claim 1, which is characterized in that the combustion gas-heat-condutive oil heat exchanger setting
There are fuel gas inlet, gas outlet, No. two heat conductive oil inlets and No. two conduction oil outlets；The high-temperature fuel gas pipeline and fuel gas inlet
Connection, the low temperature fuel gas pipeline are connect with gas outlet, and No. three thermally conductive oil circulating pipes are connect with No. two heat conductive oil inlets,
The thermally conductive oil circulating pipe of No.1 is connect with No. two conduction oil outlets.
4. conduction oil heat-exchange system according to claim 1, which is characterized in that the oil circulating pump be provided with No. three it is thermally conductive
Oil inlet and No. three conduction oil outlets；No. two thermally conductive oil circulating pipes are connect with No. three heat conductive oil inlets, and described No. three thermally conductive
Oil circulating pipe is connect with No. three conduction oil outlets.
5. a kind of working method of conduction oil heat-exchange system as claimed in any one of claims 1-4, feature
It is, the working method is as follows: so that high-temperature fuel gas cooling is become low temperature combustion gas by combustion gas-heat-condutive oil heat exchanger, at this point, combustion
Conduction oil temperature increases in gas-heat-condutive oil heat exchanger；Water at low temperature is set to become high-temperature water by conduction oil-water- to-water heat exchanger, at this point, thermally conductive
Thermally conductive oil temperature reduces in oil-water- to-water heat exchanger；By the aperture control for adjusting No.1 tune valve, No. two tune valves and/or No. three tune valves
The temperature of conduction oil leads combustion gas-in order not to make fuel gas temperature be reduced to tar Precipitation Temperature in combustion gas-heat-condutive oil heat exchanger
Thermally conductive Oil-temperature control is within the scope of 260-280 DEG C at hot oil heat exchanger.
6. the working method of conduction oil heat-exchange system according to claim 5, which is characterized in that under usual condition, pass through
No.1 tune valve is adjusted by conduction oil-water- to-water heat exchanger heat transfer oil flow, and adjusts the stream of cooling water by No. two tune valves
Amount achievees the purpose that the thermally conductive oil temperature of control.
7. the working method of conduction oil heat-exchange system according to claim 6, which is characterized in that when No.1 tune valve is all beaten
It opens, and when cooling water is reduced to permitted minimum flow, thermally conductive oil temperature is still not able to rise at combustion gas-heat-condutive oil heat exchanger
To required temperature, at this point, conduction oil-water- to-water heat exchanger oil stream amount is gone in reduction, so that oil temperature by adjusting No. three tune valves
It is increased to required range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898947.7A CN109084476A (en) | 2018-08-08 | 2018-08-08 | A kind of conduction oil heat-exchange system and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898947.7A CN109084476A (en) | 2018-08-08 | 2018-08-08 | A kind of conduction oil heat-exchange system and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084476A true CN109084476A (en) | 2018-12-25 |
Family
ID=64834275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810898947.7A Pending CN109084476A (en) | 2018-08-08 | 2018-08-08 | A kind of conduction oil heat-exchange system and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084476A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764541A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of energy resource system and its control method |
| CN111082474A (en) * | 2019-12-23 | 2020-04-28 | 杭州电子科技大学 | Waste energy recycling technology based on micro-grid and water network |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243021A (en) * | 2010-05-10 | 2011-11-16 | 中国石油天然气股份有限公司 | Heat conducting oil smoke residual heat recovery method |
| CN203741285U (en) * | 2014-03-24 | 2014-07-30 | 国电长源湖北生物质气化科技有限公司 | Biomass hot fuel gas cooling system |
| WO2015188635A1 (en) * | 2014-06-12 | 2015-12-17 | 朱建新 | High voltage split oil furnace |
| CN105605776A (en) * | 2016-03-03 | 2016-05-25 | 杭州锅炉集团股份有限公司 | Heat transfer oil heat-exchanging energy-saving system |
| CN108168102A (en) * | 2017-12-04 | 2018-06-15 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
| CN208859876U (en) * | 2018-08-08 | 2019-05-14 | 华电电力科学研究院有限公司 | A kind of conduction oil heat-exchange system |
-
2018
- 2018-08-08 CN CN201810898947.7A patent/CN109084476A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243021A (en) * | 2010-05-10 | 2011-11-16 | 中国石油天然气股份有限公司 | Heat conducting oil smoke residual heat recovery method |
| CN203741285U (en) * | 2014-03-24 | 2014-07-30 | 国电长源湖北生物质气化科技有限公司 | Biomass hot fuel gas cooling system |
| WO2015188635A1 (en) * | 2014-06-12 | 2015-12-17 | 朱建新 | High voltage split oil furnace |
| CN105605776A (en) * | 2016-03-03 | 2016-05-25 | 杭州锅炉集团股份有限公司 | Heat transfer oil heat-exchanging energy-saving system |
| CN108168102A (en) * | 2017-12-04 | 2018-06-15 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
| CN208859876U (en) * | 2018-08-08 | 2019-05-14 | 华电电力科学研究院有限公司 | A kind of conduction oil heat-exchange system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764541A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of energy resource system and its control method |
| CN109764541B (en) * | 2019-01-09 | 2021-10-29 | 青岛海尔空调器有限总公司 | Energy system and control method thereof |
| CN111082474A (en) * | 2019-12-23 | 2020-04-28 | 杭州电子科技大学 | Waste energy recycling technology based on micro-grid and water network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208650931U (en) | A kind of steam extraction heat supply unit quick response load system | |
| CN109084476A (en) | A kind of conduction oil heat-exchange system and its working method | |
| CN102175351B (en) | Device for testing thermal performance and fluid resistance of liquid-liquid heat exchanger | |
| CN104653241B (en) | A kind of indirect air cooling unit waste-heat recovery device | |
| CN208859876U (en) | A kind of conduction oil heat-exchange system | |
| CN103408017B (en) | High-temperature water circulation and flash distillation integrated tank and the system for the production of polysilicon | |
| CN101608812A (en) | A kind of new method of controlling secondary side temperature of thermal substation | |
| CN209214399U (en) | Feed forward type hydrophobic side regulation heat exchange control system | |
| CN204026997U (en) | A tractor serves several purposes temperature regulates vacuum hot water unit | |
| CN104653242B (en) | A kind of Direct Air-cooled Unit waste-heat recovery device | |
| CN202008414U (en) | Testing device for thermal performance and fluid resistance of liquid-liquid heat exchanger | |
| CN109028574A (en) | A kind of thermal oil heating piping system of 0 ~ 100% load regulation range | |
| CN205690713U (en) | A kind of solar energy LNG gasification system | |
| CN209295726U (en) | A kind of dual air-water heat exchanger | |
| CN103472869A (en) | Oil product storage tank constant-temperature energy-saving automatic control method and device | |
| CN209840808U (en) | Heat exchange mechanism with high temperature control precision and long service life | |
| CN209706179U (en) | The circulatory system of one heating furnace high/low temperature heat supply simultaneously | |
| CN203719239U (en) | Condensation heat recovery system of refrigerating unit | |
| CN106196145A (en) | A kind of large-scale negative-pressure heating furnace air preheater and method | |
| CN204717654U (en) | A kind of modularization efficient constant-temperature energy-saving steam engine system | |
| CN205953965U (en) | Smart saccharification pot of making of hot -fluid | |
| CN209588141U (en) | The system for improving the heat supply of steam turbine the optical axis safety of power plant condensation water pump and efficiency | |
| CN205189972U (en) | Ten grades of heat recovery system of adjustable assistant warden in 1000MW unit area | |
| CN204153977U (en) | Modified water-bath stove heating system | |
| CN204852912U (en) | Circulating cryogenic liquids gasification equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |