CN109268920A - A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system - Google Patents
A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system Download PDFInfo
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- CN109268920A CN109268920A CN201810824481.6A CN201810824481A CN109268920A CN 109268920 A CN109268920 A CN 109268920A CN 201810824481 A CN201810824481 A CN 201810824481A CN 109268920 A CN109268920 A CN 109268920A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention discloses a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system, which includes air residual heat heating ventilation subsystem and exhaust steam residual heat heating ventilator subsystem.Top supplying air air-flow and operating layer hot-air are sent to steam turbine building A column after being exchanged heat in heat exchange of heat pipe and C is arranged, and the air-supply air-flow drive top layer hot-air being heated passes through air grid and flows to interlayer and bottom.Turbine discharge enters bottom heat exchange of heat pipe via extraction line and exchanges heat with bottom fresh air, and the fresh air after heating is sent to bottom shutter shape into warm-air curtain, blocks Air Infiltration.The present invention makes full use of air waste heat and steam turbine exhaust heat in workshop, air supply direction, air output and air supply position are controllable, orderly air flowing is formed in steamer computer room, Winter Cold Wind Infiltration Of infiltration and temperature gradient problems of too can be effectively suppressed, heating energy consumption is reduced, the comfort of workspace is improved.
Description
Technical field
The present invention relates to steamer computer room heating and ventilation fields, and in particular to a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system
System.
Background technique
Steamer computer room be power plant important production building, inside be distributed with Steam Turbine, generating set, high-low pressure heating
The heat sources such as device, steam-water pipeline, subsidiary engine equipment.Spatial altitude is big, heat source calorific value is big and to concentrate be the one big significant of steamer computer room
Feature, for this kind of pile containing inner heat source, hot pressing effect is inevitable.In summer and conditioning in Transition Season, the indoor temperature difference
The hot pressing of formation is conducive to air discharging and radiating, and to winter, the presence of hot pressing effect can make operating layer head temperature reach 35-40
DEG C, large quantity of air waste heat is directly lost in environment, and workshop bottom is then because air upstream forms negative pressuren zone, and cool ambient air is logical
Cross the infiltration of door and window gap, the risk that the presence of Air Infiltration makes steam-water pipeline have low temperature to condense, to the safe operation band of steam turbine
To threaten.
Exhaust steam in steam turbine excess heat can account for the 35%-55% of power plant's gross energy, this part of waste heat amount is relative to other waste heats
Such as fume afterheat, quantity is big, benefit is evident for recycling, significant for energy conservation transformation of power plants if can make full use of.
Currently, exhaust steam in steam turbine waste heat is directly taken away in the form of condensation heat by recirculated cooling water or air mostly, into cooling tower or
It is discharged into environment after Air-Cooling Island, not only waste of energy, but also will appear " waste heat pollution " problem.Using condensing units
In the power plant of technology, the Lowlevel thermal energy of steam exhaust is extracted by heat pump techniques mostly for the central heating to municipal heating systems, but
This mode equally has some shortcomings, for example system consumption electric energy is excessive and needs to extract the higher steam of temperature, this meeting
Influence the stability of therrmodynamic system.At this stage, exhaust steam in steam turbine waste heat is also fresh for the correlative study of workshop itself heating and ventilation
It appears in the newspapers.
For steamer computer room heating, domestic Normal practice is gate, bottom blinds based on radiator, supplemented by warm-air drier
Window, operating layer window, roof ventilator etc. are in off state in Heating Season.Traditional heating system is inevitably
Thermal stratification and roof heat build-up phenomenon, and for middle layer, that is, interlayer of steamer computer room, because winter mostly enters the wind
Mouth is in off state, and slowly, heat supply water tank and heat supply pipeline surface temperature are higher in addition for air flowing, easily formation high-temperature stream
Dynamic dead zone, influences the work comfort of operating personnel.
Summary of the invention
It is serious to solve big heating load in the steamer computer room under winter condition, top heat build-up, bottom Air Infiltration
The problems such as, the present invention proposes a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system, utilizes workshop inner air waste heat and steamer
Machine exhausted spare heat to carry out heating ventilator to steamer computer room, improves indoor thermal environment and work comfort, and reducing winter adopts
Warm energy consumption.
The present invention uses following technical scheme to solve above-mentioned technical problem:
A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system, steamer computer room include operating layer, and operating layer bottom is provided with vapour
Unit is taken turns, is interlayer below operating layer, is bottom below interlayer, it is characterised in that: includes air residual heat heating ventilation subsystem
System and exhaust steam residual heat heating ventilator subsystem；
Air residual heat heating ventilation subsystem includes:
Top supplying air machine is connected with top supplying air pipeline on top supplying air machine, and top supplying air pipeline is set at the top of operating layer, top
Air outlet is provided on portion's air supply duct；
Air-introduced machine, air-introduced machine input terminal are connected with top air draft pipe, and output end is connected with circulation air piping, and circulation air piping connects
Enter top supplying air pipeline, top air draft pipe is set to above operating layer, is provided with several suction openings on the air draft pipe of top；
Top heat exchange of heat pipe, the heat pipe evaporator section of top air draft pipe access top heat exchange of heat pipe, top supplying air pipe
Road accesses heat pipe condenser section；
The exhaust steam residual heat heating ventilator subsystem includes:
Steam extraction condensate pump, input terminal are connected to Steam Turbine by extraction line, and output end is connected to by condensing water conduit
Condensate tank；
Air supply at the bottom machine, air supply at the bottom machine are accessed in bottom by air supply at the bottom pipeline；
Bottom heat exchange of heat pipe, the heat pipe evaporator section of the extraction line access bottom heat exchange of heat pipe, air supply at the bottom pipeline connect
Enter the heat pipe condenser section of bottom heat exchange of heat pipe.
Further, the steamer computer room is divided into three column in the horizontal direction, and middle part is B column, and two sides are respectively that A column and C are arranged,
The suction opening is located at B column.
Further, air outlet shares two groups, and Open Side Down, is respectively arranged at the A column and C column of steamer computer room.
Further, pipeline fan is equipped in top supplying air pipeline.
Further, the top supplying air machine and air supply at the bottom machine are frequency conversion pressure fan.
Further, the evaporator section bottom of bottom heat exchange of heat pipe is equipped with header tank.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
1, the high temperature air in steam turbine roof portion is used to heating air-supply air-flow, is carried out workshop for HVAC using air waste heat
Wind, it is suppressed that hot pressing effect reduces the thermal loss by roof, can effectively reduce the heating load in winter, and reduction is used for
The steam consumption of radiator heating；
2, it is lower that the air-supply air-flow after being heated by top supplying air machine and top supplying air pipeline is sent to temperature in steamer computer room
A column and heat source is concentrated and air flows slow C column, air supply velocity, air output and air supply direction are controllable；
3, on the one hand top air draft pipe and top supplying air pipe arrangement can utilize operating at the top of operating layer as much as possible
The hot-air at layer top, the air-supply after being on the other hand heated gradually are mixed with surrounding air during flowing downward, can be dropped
The temperature gradient in low-level direction keeps the Temperature Distribution in steamer computer room more uniform；
4, extraction line is set, and the extension steam exhaust from turbine discharge passes to exhaust steam residual heat in heat exchange of heat pipe
Fresh air, the steam exhaust condensation after heat exchange become condensed water and continue to participate in steam/water circulating by condensate pump feeding condensation tank, and portion can be recycled
Divide condensation heat, reduce condensation heat loss, improves steam utilization efficiency, it is energy-saving；
5, air waste heat and exhaust steam residual heat are realized using heat exchange of heat pipe to the heating process of air-supply air-flow, heat exchange efficiency is high,
Stable working performance；
6, as a whole, because persistently there is external air-supply air-flow to enter, most of region is positive pressure in steamer computer room, be can inhibit
Air Infiltration reduces the risk of steam-water pipe low temperature moisture condensation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment.
In figure, 1- operates layer；2- interlayer；3- bottom；4- air supply at the bottom pipeline；5- air supply at the bottom machine；The bottom 6- heat pipe changes
Hot device；7- header tank；8- steam extraction condensate pump；9- condensing water conduit；10- condenses water inlet valve；11- bottom shutter；12- is true
Sky pump；13- extraction line；14- steam extraction imported valve；15- Steam Turbine；16- air grid；17- condenser；18- condensed water
Case；19- operates layered heating；20- interlayer heater；21- recycles air valve；22- recycles air piping；23- top supplying air machine；
24- standby valve；25- air-introduced machine；Heat exchange of heat pipe at the top of 26-；27- deaerator bay；28- roof ventilator；29- pipeline fan；
30- top supplying air pipeline；31- air outlet；32- suction opening；Air draft pipe at the top of 33-.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system, as shown in Figure 1, including the heating power in steamer computer room and steamer computer room
Equipment.Steamer computer room can be divided into the deoxygenation of the operating layer 1, interlayer 2, bottom 3 and one side setting that are arranged successively by vertical direction
Between 27；Steamer computer room in Fig. 1 is divided into three column in the horizontal direction, is followed successively by A column, B column and C column.Heat power equipment mainly includes vapour
Take turns unit 15, condenser 17, operating layered heating 19, interlayer heater 20.Roof ventilator 28 is provided with above steamer computer room.
The steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system includes air residual heat heating ventilation subsystem and exhaust steam residual heat
Heating ventilator subsystem.
Air residual heat heating divulges information subsystem including recycling air piping 22, top supplying air machine 23, air-introduced machine 25, top heat pipe
Heat exchanger 26, pipeline fan 29, top supplying air pipeline 30, top air draft pipe 33.
Top supplying air machine, using frequency conversion pressure fan.Top supplying air pipeline 30, top supplying air are connected on top supplying air machine 23
Pipeline 30 is set at the top of operating layer, is provided with air outlet 31 on top supplying air pipeline 30.Air outlet 31 shares two groups, be open to
Under, it is respectively arranged at the A column and C column of steamer computer room.Pipeline fan 29 is equipped in top supplying air pipeline.
Air-introduced machine 25,25 input terminal of air-introduced machine are connected with top air draft pipe 33, and output end is connected with circulation air piping 22
And circulation air valve 21 is set, circulation air piping 22 accesses top supplying air pipeline 30, and top air draft pipe 33 is set to operating layer
Top is provided with several suction openings on top air draft pipe 33.Suction opening is located at B column, shares three groups of suction openings, every group of suction opening
By two opposite arrangements, openings, 45 ° of air port is formed diagonally downward, and suction opening is towards steamer computer room B column exhausting.On air-introduced machine 25
It is connected to standby valve 24.
Top heat exchange of heat pipe 26, the heat pipe evaporator section of the access of top air draft pipe 33 top heat exchange of heat pipe 26,
The heat pipe condenser section of the access of top supplying air pipeline 30 top heat exchange of heat pipe 26.
Air residual heat heating divulges information subsystem positioned at operating layer top and deaerator bay adjacent thereto, operates above layer relatively
Spaciousness, top supplying air pipeline 30 and top air draft pipe 33 are horizontally disposed along workshop width direction, and top air draft pipe 33 is located at
30 lower section of top supplying air pipeline.
Exhaust steam residual heat heating ventilator subsystem include air supply at the bottom machine 5, air supply at the bottom pipeline 4, bottom heat exchange of heat pipe 6,
Header tank 7, steam extraction condensate pump 8, condensing water conduit 9, condensation water inlet valve 10, extraction line 13, condensate tank 18.
The input terminal of steam extraction condensate pump 8, steam extraction condensate pump 8 is connected to Steam Turbine by extraction line 13, exports
End is connected to condensate tank 18 by condensing water conduit 9.Condensation water inlet valve 10 is provided on condensing water conduit 9.Extraction line
Vacuum pump 12 is provided on 13.
Air supply at the bottom machine 5, using frequency conversion pressure fan.Air supply at the bottom machine 5 is accessed in bottom by air supply at the bottom pipeline 4.
Bottom heat exchange of heat pipe 6, the extraction line 13 access the heat pipe evaporator section of bottom heat exchange of heat pipe 6, and bottom is sent
The heat pipe condenser section of the access bottom heat exchange of heat pipe 6 of air piping 4.The evaporator section bottom of bottom heat exchange of heat pipe 6 is equipped with header tank
7。
Exhaust steam residual heat heating ventilator subsystem is located at outside bottom shutter 11, air supply at the bottom pipeline 4, bottom frequency conversion air-supply
Machine 5, bottom heat exchange of heat pipe 6, condensing water conduit 9 outer surface be laid with heat-insulating heat-preserving material, to reduce same ambient enviroment
Heat transfer loss.When steamer computer room is run in winter, bottom shutter 11 and roof ventilator 28 are in off state, service valve
Door 24 is transformed and is overhauled for post facility and reserves.
Specific embodiment is as follows:
1, air-introduced machine 25, top supplying air machine 23, circulation air valve 21 and pipeline fan 29 are opened, standby valve 24 is closed, operating
The hot-air at 1 top of layer enters top heat pipe by suction opening 32 and air draft pipe 33 and changes under the swabbing action of air-introduced machine 25
Evaporation, vaporization occur for hot device 26, the heat absorption of heat pipe evaporator section liquid phase working fluid, and steam flow heat pipe condenser section is condensed, released
Latent heat of vaporization fresh air air-flow that top supplying air machine 23 is sent into heat, the hot-air after heat is recovered becomes " circulation
Wind " by circulation air piping 22 and recycles the fresh air air-flow progress after air valve 21 enters top supplying air pipeline 30 and is heated
Mixing, mixed draft is directed by air outlet 31 is sent to steamer computer room A column and C column.It is sprayed from air outlet 31
Gas flow temperature of blowing is lower than hot air temperature at the top of operating layer, density is big, and hot-air is pushed to flow downward and mixed therewith,
To play the role of inhibiting hot pressing effect and reduce the temperature gradient of steamer computer room, hot-air at the top of external fresh air and operating layer
Heat exchange is first completed in heat exchange of heat pipe to be re-fed into inside workshop, and fresh air is sent into operating layer compared to by blower direct jet stream
The mode at top, on the one hand, can more efficiently be heated using hot-air at the top of operating layer to workshop, on the other hand be can avoid
Blower blow-through improves the air current composition effect of operating layer to operating layer workspace bring " sense of blowing a cold wind over ".
2, before exhaust steam residual heat heating ventilator subsystem brings into operation, vacuum pump 12 is first opened, 13 He of extraction line is discharged
Air in condensing water conduit 9, opens steam extraction imported valve 14 and condensation water inlet valve 10, and part turbine discharge passes through steam extraction
Pipeline 13 enters bottom heat exchange of heat pipe 6, and evaporation, vaporization, steam exhaust heat release outside heat pipe are completed in the heat absorption of heat pipe evaporator section working medium
After condense into condensed water and accumulate in heat exchange of heat pipe header tank 7, steam extraction condensate pump 8 by condensed water be sent to condensate tank 18 with
The steam/water circulating of boiler is participated in after condensed water mixing in condenser 17.External fresh air air-flow is sent into bottom by air supply at the bottom machine 5
The condensation segment of heat exchange of heat pipe 6, for the steam state working medium in heat pipe in this condensation heat to heat fresh air, hot wind passes through air supply at the bottom
Pipeline 4 is sent to formation warm air curtain at bottom shutter 11 or gate, inhibits Air Infiltration, improves near bottom steam-water pipe
Temperature field and flow field, reduce the risk that low temperature moisture condensation occurs in pipeline, and the exhausted spare heat of steam turbine has also obtained a degree of time
It receives and utilizes.
3, because continuing at the top of operating layer 1 to A column and C column air-supply, it is new that hot air is extracted from operating layer B column top
Wind, therefore most of region is positive pressure in steamer computer room, operating layer B column top suction opening 32 is nearby negative pressuren zone, extra in workshop
Air will from building hole and door and window gap location flow in environment.As a whole, it will be formed in entire steamer computer room orderly
Air flowing, on the one hand, A column and C column top hot wind flow downward via air grid 16 enter interlayer and bottom, improve
The heat build-up problem occurred due to A column region temperature lower phenomenon and C column region due to close to exterior wall is unsmooth because divulging information；Separately
On the one hand, hot-air is persistently extracted at the top of layer 1 because bottom persistently has hot wind to be sent into and operate, base pressure height, top will occur in B column
The low situation of portion's pressure, the air for promoting B to arrange flow from bottom to top, and air-flow skims over condenser 17 in flow process, interlayer adds
The heat source surfaces such as hot device 19, operating layered heating 20, Steam Turbine 15 pass through so as to take away the waste heat of heat power equipment generation
Aforementioned air residual heat heating divulges information subsystem to heat to steamer computer room.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within.The embodiments of the present invention are described in detail above, but present invention is not limited to the embodiments described above, in ability
Domain those of ordinary skill within the scope of knowledge, can also make various changes without departing from the premise of the present invention
Change.
Claims (6)
1. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system, steamer computer room include operating layer, operating layer bottom is provided with
Steam Turbine, operating layer lower section are interlayer, are bottom below interlayer, it is characterised in that: include that the ventilation of air residual heat heating is sub
System and exhaust steam residual heat heating ventilator subsystem；
Air residual heat heating ventilation subsystem includes:
Top supplying air machine is connected with top supplying air pipeline on top supplying air machine, and top supplying air pipeline is set at the top of operating layer, top
Air outlet is provided on portion's air supply duct；
Air-introduced machine, air-introduced machine input terminal are connected with top air draft pipe, and output end is connected with circulation air piping, and circulation air piping connects
Enter top supplying air pipeline, top air draft pipe is set to above operating layer, is provided with several suction openings on the air draft pipe of top；
Top heat exchange of heat pipe, the heat pipe evaporator section of top air draft pipe access top heat exchange of heat pipe, top supplying air pipe
Road accesses heat pipe condenser section；
The exhaust steam residual heat heating ventilator subsystem includes:
Steam extraction condensate pump, input terminal are connected to Steam Turbine by extraction line, and output end is connected to by condensing water conduit
Condensate tank；
Air supply at the bottom machine, air supply at the bottom machine are accessed in bottom by air supply at the bottom pipeline；
Bottom heat exchange of heat pipe, the heat pipe evaporator section of the extraction line access bottom heat exchange of heat pipe, air supply at the bottom pipeline connect
Enter the heat pipe condenser section of bottom heat exchange of heat pipe.
2. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system according to claim 1, it is characterised in that: the steamer
Computer room is divided into three column in the horizontal direction, and middle part is B column, and two sides are respectively A column and C column, and the suction opening is located at B column.
3. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system according to claim 2, it is characterised in that: air outlet is total
There are two groups, Open Side Down, is respectively arranged at the A column and C column of steamer computer room.
4. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system according to claim 1, it is characterised in that: top supplying air
Pipeline fan is equipped in pipeline.
5. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system according to claim 1, it is characterised in that: the top
Pressure fan and air supply at the bottom machine are frequency conversion pressure fan.
6. a kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system according to claim 1, it is characterised in that: bottom heat pipe
The evaporator section bottom of heat exchanger is equipped with header tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824481.6A CN109268920A (en) | 2018-07-25 | 2018-07-25 | A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824481.6A CN109268920A (en) | 2018-07-25 | 2018-07-25 | A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system |
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| Publication Number | Publication Date |
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| CN109268920A true CN109268920A (en) | 2019-01-25 |
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| CN201810824481.6A Pending CN109268920A (en) | 2018-07-25 | 2018-07-25 | A kind of steamer computer room UTILIZATION OF VESIDUAL HEAT IN heating and ventilation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113028881A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Heat energy recovery system of equipment |
| CN113154509A (en) * | 2021-04-07 | 2021-07-23 | 神华神东煤炭集团有限责任公司 | System and system for dead steam recovery and warming wellbores |
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| CN103243944A (en) * | 2013-05-22 | 2013-08-14 | 中国电力工程顾问集团华东电力设计院 | Steam turbine room local negative excavation and power generating assembly |
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| CN113028881A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Heat energy recovery system of equipment |
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Application publication date: 20190125 |
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