CN108561990A - A kind of inflatable reinforced heat exchanger being located at indoor skirt line position - Google Patents
A kind of inflatable reinforced heat exchanger being located at indoor skirt line position Download PDFInfo
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- CN108561990A CN108561990A CN201810366935.XA CN201810366935A CN108561990A CN 108561990 A CN108561990 A CN 108561990A CN 201810366935 A CN201810366935 A CN 201810366935A CN 108561990 A CN108561990 A CN 108561990A
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- cold
- air duct
- crossover connection
- metal shell
- baffle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Duct Arrangements (AREA)
Abstract
A kind of inflatable reinforced heat exchanger being located at indoor skirt line position, master is by compressor, ajutage, metal shell, cold and hot crossover connection and baffle are constituted, the middle part of metal shell is equipped with the horizontal baffle for forming lower air duct, the top and the bottom of horizontal baffle are equipped with the cold and hot crossover connection to communicate with each other, the head clearance of metal shell is equipped with multiple air outlets, interval is provided with multiple slots on horizontal baffle, the wind that ajutage is passed through enters from horizontal baffle lower layer air duct, multiple slots are provided with through interval on horizontal baffle enter upper layer air duct again, wind in upper lower air duct streams movement under the action of multiple baffles, it is come into full contact with cold and hot crossover connection, increase the intensity of convection current, keep temperature transition more abundant.The heat transfer efficiency that skirting heat-exchanger rig can be effectively improved, from four circumferentially intermediate conveying low speed air heating of room, heat dissipation is uniform, and the device radiation is efficient, and heat transfer is fast, and small, floor space is small, and device is simple, and protection facility, easy to maintenance, maintenance cost is low.
Description
Technical field
The present invention relates to a kind of inflatable heat-exchanger rigs, especially a kind of to be located at interior suitable for fields such as air-conditioning HVAC
The heat-exchanger rig of the inflatable augmentation of heat transfer of skirt line position.
Technical background
According to national standard《Code for thermal design of civil buildings》(GB50176-93), the hot moon with normal coldest month and most
Mean temperature divides the whole nation as auxiliary characteristics as leading indicator, year after year mean daily temperature≤5 DEG C and >=25 DEG C of number of days
For severe cold, cold, Xia Redong be cold, hot summer and warm winter zone and mild five areas.Heating requires the region of heating to be primarily referred to as Xia Redong
Cold area also includes certain southern areas.Number of days of the mean daily temperature stabilization less than or equal to 5 DEG C is 60 year after year in these areas
It was to 89 days, and mean daily temperature stablized the number of days less than or equal to 5 DEG C less than 60 days year after year, but mean daily temperature is steady year after year
Surely it is less than or equal to 8 DEG C of number of days to be greater than or equal to 75 days.Its climatic characteristic is that summer is extremely hot, and winter is clammy, air humidity compared with
Greatly, when 5 DEG C of outdoor temperature or less, there is no heating equipment such as, indoor temperature is low, comfort level is poor.With China's economic society
Heating equipment is also gradually arranged in the building of the raising of development and living standards of the people, these areas, and heating system is mainly with dispersion
Based on heating.The heating equipment that present China generally uses is to hang wall radiator and floor heating heating.It is that comparison is real to hang wall radiator
A kind of heating system, be dirt cheap with it is durable, be in current family it is main tradition heating mode, but it belong to single-point end
End is radiated, drive room temperature, and non-uniform temperature in room, comfort level is not high, easy sooting metope, unsightly, occupies metope.Floor heating fills
It is the preheating embedding line on floor to set, and is that ground integrally generates heat, and from bottom to top, temperature foot top is cool, and radiator is compared in fever for radiating mode
For uniform, comfort level higher, but while installing need to be laid with insulating layer on pipeline, 6 are at most occupied after installing
Centimeter or more floor height, and to the repair in later stage generate difficulty, if pre-buried pipeline leak or blocking, repair extremely not side
Just, the place that find leak or blocking needs to remove insulating layer destruction floor, increases maintenance cost.Traditional floor heating exists simultaneously
Heat up slow problem, and there are two main causes：First, the water capacity of floor heating is big, heating needs the time；Second is that the backfill layer of floor heating
It is obstructed in the presence of heat dissipation.
In daily life, air-conditioning is common control room temperature mode.Summer is hot, will be cold by air-conditioning refrigeration system
Interior is blowed wind into, heat within doors is absorbed, reduces inner temperature of room；Hot wind is blown into interior by winter severe cold by air conditioning system,
Increase heat within doors, promotes indoor temperature.Suitable temperature is adjusted, summer stands before air-conditioning, and blowing cold air, people obviously feel
Feel cool and comfortable；When winter, hot wind is blown out, people can feel warm.Although air-conditioning is easy to use, the occupancy interior space is few,
But cost is higher, compares power consumption, repair and larger problem, needs the worker for looking for profession.
Currently, skirting heating system becomes a kind of novel heating system.But existing skirting heating side in the market
Formula still has disadvantages that pipeline is less, generally single tube recuperation, and heating effect can be weaker.And its heat dissipation side
Formula is by radiating to heating indoor mostly, and room air free convection, heat transfer is relatively slow to speed within doors at the middle and upper levels,
And wall can absorb a heat and cause heat loss very big, pass to it is indoor at the middle and upper levels after temperature nor can be highly desirable,
It can also have a greatly reduced quality, be unfavorable for energy saving to the sense learning through practice of people.
Invention content
Technical problem, place that purpose of the invention is to overcome the shortcomings in the prior art, provide a kind of device it is simple,
Radiating efficiency is high, heat transfer is fast, heat loss is few, small, floor space is small, convenient to install and maintain, maintenance cost is low is located at room
The heat-exchanger rig of the inflatable convection type augmentation of heat transfer of interior skirt line position.
Technical solution：To achieve the goals above, the device of inflatable convection current enhanced heat exchange of the invention, including compression
Machine, ajutage further include the metal shell for being embedded in skirting position indoors, and the middle part of the metal shell, which is equipped with, to be formed up and down
The horizontal baffle in air duct, the top and the bottom of horizontal baffle are equipped with the cold and hot crossover connection to communicate with each other, the cold and hot crossover connection of lower part be into
The cold and hot crossover connection of water pipe, top is return pipe, and the head clearance of metal shell is equipped with multiple air outlets, the side of metal shell
Be located at the nozzle being connected with ajutage, interval is provided with multiple slots on the horizontal baffle, the wind that ajutage is passed through from
Horizontal baffle lower layer air duct enters, then is provided with multiple slots through interval on horizontal baffle and enters upper layer air duct, upper layer air duct
It is inside equipped at intervals with multiple I baffles and II baffle being stuck on the cold and hot crossover connection in upper layer, is equipped at intervals in lower layer air duct and is stuck in lower layer
Multiple III baffles on cold and hot crossover connection and IV baffle, the wind in upper lower air duct stream movement under the action of multiple baffles,
It is come into full contact with cold and hot crossover connection, increases the intensity of convection current, keep temperature transition more abundant.
The upper and lower cold and hot crossover connection to communicate with each other is respectively 1-3 roots, and radical is according to the internal diameter of cold and hot crossover connection and existing
Field arrangement determines.
The internal diameter of the cold and hot crossover connection is 20~30mm, and wall thickness is 2~3mm.
The metal shell air outlet position is in 45 ° of inclinations.
The distance of spaced multiple slots is 1.2~1.5m, the width of slot on the horizontal baffle
For 8~15mm.
The width of the metal shell is no more than 8cm, is highly no more than 15cm.
Advantageous effect：Compressor is connected by the present invention with the small-sized heat-exchanger rig for installing skirting position indoors, leads to
Overcompression machine, by four kinds of baffles in air duct, makes air around cold and hot toward forced air is blasted in small-sized heat-exchanger rig air duct
Crossover connection quickly flows, to increase the heat exchange in cold and hot crossover connection between hot water and air, and on 45 ° of inclined-planes of heat-exchanger rig shell
Trepanning, allow heating air with 45 ° obliquely toward indoor moveable, heat is taken away into device faster, to accelerate indoor temperature
It increases, increases heat exchange efficiency, reduce heat loss.The heat-exchanger rig shell is metal, therefore heat exchange mode can not only pass through metal
Shell is to indoor heat loss through radiation, but also inwardly inflation increases strong convection mode, significantly increases heat exchange efficiency.This heat exchange
Device is mounted on surrounding corner position in room, and heat transfer direction is circumferentially intermediate by four, from bottom to top, keeps indoor temperature more equal
It is even, and this heat-exchanger rig width is highly no more than 15cm, floor space is small, can when new house is installed due to being no more than 8cm
It moved within the walls in the past, floor space also smaller.This device can not only be installed when new house is fitted up, can also be in old room
Installation, and secondary installing is not influenced, easy to maintenance, expense is low.When summer sweltering heat, cold water is passed through in pipe, it can be with by heat exchange
Cool breeze is blown out out of heat-exchanger rig, reduces temperature, realizes cooling purpose.Effectively increase the heat transfer effect of skirting heat-exchanger rig
Rate makes heat-supplying mode become the synthesis heat exchange mode of radiation+convection current from single radiation heat transfer mode.It is circumferentially intermediate from room four
Low speed air heating is conveyed, heat dissipation is uniform, is suitble to family or public place to use, without raising ground, does not influence secondary decoration.
The device not only has heating function, when using low-temperature receiver, can also be achieved refrigeration effect.Overcome the single-point heat supply for hanging wall radiator
Radiate uneven disadvantage, by four circumferentially intermediate Homogeneouslly-radiatings.By adjusting the intake velocity and pressure of compressor, air can be allowed
It is got in a kind of speed allowing human comfort, indoor a gentle wind springing up is made to circulate, increase comfort, and faster by wind energy
Heat is taken away, hot-spot will not be caused.It is similar with air-conditioning, heating and refrigerating function are realized, simple in structure, installation
Convenient, for ease of maintenaince, cost is relatively low, and comfort level is high.
Description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention；
Fig. 2 is the side view stringing schematic diagram of the present invention；
Fig. 3 is four kinds of baffle arrangement schematic diagrames of the present invention；
Fig. 4 is the schematic view of the mounting position of baffle of the present invention and partition board；
Fig. 5 is the dimensional structure diagram of the present invention；
Fig. 6 is that the present invention implements installation site plane and stereoscopic schematic diagram.
In figure：Cold and hot conversion -1, metal shell -2, I baffle -3, II baffle -4, air outlet -5, ajutage -6, compressor -
7, partition board -8, III baffle -9, IV baffle -10, wall -11.
Specific implementation mode
One embodiment of the present of invention is further described below in conjunction with the accompanying drawings：
As shown in Figure 1, the inflatable convection current reinforced heat exchanger for being located at indoor skirt line position of the present invention, main by compressing
Machine 7, ajutage 6, metal shell 2, cold and hot crossover connection 1 and four kind of baffle are constituted, and the metal shell 2 is embedded in skirt indoors
Line position, the middle part of metal shell 2 are equipped with the horizontal baffle 8 for forming lower air duct, and the top and the bottom of horizontal baffle 8 are equipped with phase each other
The cold and hot crossover connection of logical cold and hot crossover connection 1, lower part is water inlet pipe, and the cold and hot crossover connection on top is return pipe, and described is upper and lower
The cold and hot crossover connection 1 to communicate with each other is respectively 1-3 roots, and radical is determined according to the internal diameter and site layout project of cold and hot crossover connection.Described
The internal diameter of cold and hot crossover connection 1 is 20~30mm, and wall thickness is 2~3mm.The head clearance of the metal shell 2 is equipped with multiple outlet air
Mouthful, 2 air outlet position of metal shell in 45 ° inclination, as shown in Fig. 2, with ensure in device exchange heat after air with 45 ° of directions to
Indoor blowout, the piping mode of cold and hot crossover connection 1 such as scheme to arrange, partition board 8 is in upper and lower centre position；The width of metal shell 2 is not
More than 8cm, highly it is no more than 15cm.The side of 2 lower part of metal shell is equipped with the nozzle being connected with ajutage 6, as shown in Figure 5；
It is spaced on the horizontal baffle 8 and is provided with multiple slots, the distance of spaced multiple slots on horizontal baffle 8
Width for 1.2~1.5m, slot is 8~15mm.The wind that ajutage 6 is passed through enters from 8 lower layer air duct of horizontal baffle, then
It is provided with multiple slots through being spaced on horizontal baffle 8 and enters upper layer air duct, be equipped at intervals with that be stuck in upper layer cold and hot in the air duct of upper layer
3 and II baffle 4 of multiple I baffles on crossover connection is equipped at intervals with multiple III be stuck on the cold and hot crossover connection of lower layer in lower layer air duct
Baffle 9 and IV baffle 10, as shown in figure 3, structure is according to heat-exchanger rig internal structure design, thickness is 2mm~4mm, trepanning
Diameter determines that air inlet is in lower right corner imaginary circle position according to the outer diameter of cold and hot crossover connection 1.Wind in upper lower air duct is in multiple baffles
Under the action of stream movement, come into full contact with cold and hot crossover connection 1, increase the intensity of convection current, keep temperature transition more abundant.
The installation site of baffle and partition board is as shown in figure 4, upper layer air duct has I baffle 3 and II baffle 4, lower layer air duct to have III
Baffle 9 and IV baffle 10, I baffle 3 and II baffle 4 are adjacently positioned in upper layer air duct, and III baffle 9 and IV baffle 10 are in lower layer air duct
It is adjacently positioned, partition board 8 separates levels air duct, is connected from tapping.
Specific embodiment as shown in fig. 6, press interior space size, by multiple inflatable convection current reinforced heat exchanger left sides with
The medial surface of wall body 11 contacts, and skirting of the heat-exchanger rig around room surrounding corner arranges that length is determined by corner length.
The connect compressor 7 in ajutage one end, compressor 7 is connected by ajutage 6 with heat-exchanger rig, the air warp in compressor 7
Ajutage 6 is crossed to enter in the air duct of heat-exchanger rig.Air duct is divided by partition board 8 for upper layer and lower layer, and partition board 8 opens one every 1.2m~1.5m
The slot of a 8mm~15mm wide, the purpose for opening this square hole are to make wind energy enough uniformly from 5 blowout of outlet.Heat exchange
Pipe 14 in total, below two into hot water, above two return water.First enter from the wind of compressor 8 from lower layer air duct, by changing
Successively from the slot on partition board 8 toward the outlet air of upper layer air duct after heat, the wind in lower layer air duct is latter by first slot
Fraction is further separated into upper layer air duct, largely continues on lower layer's duct flows heat exchange, encounters next slot and continue
Shunting.In the device there are four types of baffle, upper layer air duct has I-baffle 3 and II-baffle 4, lower layer air duct to have III-baffle 9 and IV-gear
Plate 10, the wind in air duct stream movement under baffle effect, are come into full contact with cold and hot crossover connection 1, increase the intensity of convection current, make
Heat exchange is more abundant, strengthens its heat exchange, is flowed out from gas outlet 5.The effect of gas outlet 5 is that the air in device is allowed to be heated or cold
But after, room temperature is raised and lowered, meets the needs of people with the past indoor blowout in 45 ° of directions out of hole at the appropriate speed.Four kinds
The block number of baffle according to room actual size determine, the adjacent arranged crosswise of four kinds of baffles, baffle interval between 300~500mm,
Baffle can not only play detour flow, but also can play a part of to support cold and hot crossover connection 1.
General bedroom area is with 10~20m2It is advisable, best 15~18m of overlarge area2, ideal optimal aspect is 4:3,
If 4.8m is multiplied by 3.6m, area is about 17.3m2.The length in corner is 16.8m, removes the width and surplus of door, heat-exchanger rig
Length should be 15m or so, four kinds of baffle numbers distinguish 48 pieces or so.
The compliance test result of the present invention：Using Fluent softwares, using numerical method to the structure of long 5m carried out heating and
Refrigeration simulation.Heating：The intake velocity of simulation is set as 5m/s, and temperature is 288.15K (15 DEG C), and the internal diameter of ajutage 6 is 32mm；
Pipe water speed is 0.5m/s, and temperature is 333.15K (60 DEG C), and heat exchange bore is 30mm.Analog result such as numerical simulation
As a result shown in list, it is seen that the flow velocity of 16 air outlets is basically stable at 0.57695471m/s or so, ensure that outlet air is equal
It is even, it is unlikely to occur with regard to calm phenomenon to tail end；Air outlet temperature is basically stable at 311.3356K (38.1856 DEG C), much
Higher than 17~18 DEG C of winter indoor heating temperature of national regulation, it can ensure indoor heating demand；Return water temperature is
330.78334K (57.63334 DEG C), illustrates the heating demands that can adapt to longer distance, can length extension device length again.System
It is cold：The intake velocity of simulation is set as 5m/s, and temperature is 303.15K (30 DEG C), and pipe water speed is 0.5m/s, and temperature is
288.15K(15℃).The flow velocity of visible 16 air outlets of numerical simulation result is basically stable at 0.58190863m/s or so, goes out
The basicly stable 295.0803K of draught temperature (22.1303 DEG C) is less than 26 DEG C of Summer Indoor temperature of national regulation, can make room
Interior temperature reduces, and has the effect of refrigeration.
Numerical simulation result list
Claims (6)
1. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position, including compressor（7）, ajutage（6）,
It is characterized in that：It further include the metal shell for being embedded in skirting position indoors（2）, the metal shell（2）Middle part is equipped with
The horizontal baffle of lower air duct in formation（8）, horizontal baffle（8）Top and the bottom be equipped with the cold and hot crossover connection that communicates with each other（1）, lower part
Cold and hot crossover connection be water inlet pipe, the cold and hot crossover connection on top is return pipe, metal shell（2）Head clearance be equipped with it is multiple go out
Air port, metal shell（2）Lower part side is located at connection ajutage（6）Nozzle, the horizontal baffle（8）Upper interval is provided with more
A slot, ajutage（6）The wind being passed through is from horizontal baffle（8）Lower layer air duct enters, then through horizontal baffle（8）It is upper to be spaced apart
There are multiple slots to enter upper layer air duct, multiple I baffles being stuck on the cold and hot crossover connection in upper layer are equipped at intervals in the air duct of upper layer
（3）With II baffle（4）, multiple III baffles being stuck on the cold and hot crossover connection of lower layer are equipped at intervals in lower layer air duct（9）With IV baffle
（10）, the wind in upper lower air duct streams movement under the action of multiple baffles, with cold and hot crossover connection（1）It comes into full contact with, increases
The intensity of convection current keeps temperature transition more abundant.
2. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position according to claim 1, special
Sign is：The upper and lower cold and hot crossover connection to communicate with each other（1）Be respectively 1-3 roots, radical according to the internal diameter of cold and hot crossover connection and
Site layout project determines.
3. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position according to claim 1 or 2,
It is characterized in that：The cold and hot crossover connection（1）Internal diameter be 20 ~ 30mm, wall thickness be 2 ~ 3mm.
4. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position according to claim 1, special
Sign is：The metal shell（2）Air outlet position is in 45 ° of inclinations.
5. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position according to claim 1, special
Sign is：The horizontal baffle（8）The distance of upper spaced multiple slots is 1.2 ~ 1.5m, the width of slot
For 8 ~ 15mm.
6. a kind of inflatable convection current reinforced heat exchanger being located at indoor skirt line position according to claim 1, special
Sign is：The metal shell（2）Width be no more than 8cm, highly be no more than 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366935.XA CN108561990B (en) | 2018-04-23 | 2018-04-23 | Inflatable type enhanced heat exchange device arranged at indoor skirting line position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366935.XA CN108561990B (en) | 2018-04-23 | 2018-04-23 | Inflatable type enhanced heat exchange device arranged at indoor skirting line position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108561990A true CN108561990A (en) | 2018-09-21 |
| CN108561990B CN108561990B (en) | 2020-12-25 |
Family
ID=63536017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366935.XA Active CN108561990B (en) | 2018-04-23 | 2018-04-23 | Inflatable type enhanced heat exchange device arranged at indoor skirting line position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561990B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023222A (en) * | 2019-12-28 | 2020-04-17 | 龚雪 | Energy-saving environment-friendly heating ventilation air conditioning equipment combined with solar energy |
| CN111998462A (en) * | 2020-09-02 | 2020-11-27 | 中铁建设集团有限公司 | Underground space high-pollution exhaust air sterilizing and purifying and heat recovery system and method |
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| US20060237553A1 (en) * | 2005-04-25 | 2006-10-26 | Slant/Fin Corporation | Holding bracket for hot-water baseboard |
| CN103376000A (en) * | 2012-04-17 | 2013-10-30 | 陈则韶 | Composite radiator |
| CN203869148U (en) * | 2014-04-06 | 2014-10-08 | 焦作市开泰电力设备制造有限责任公司 | Efficient baseboard-type radiator |
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| CN1440492A (en) * | 2000-07-07 | 2003-09-03 | 康维克公司 | Ventilating device and building therewith |
| CN2453378Y (en) * | 2000-12-08 | 2001-10-10 | 黄毅 | Improved radiator of air-heater |
| US20060237553A1 (en) * | 2005-04-25 | 2006-10-26 | Slant/Fin Corporation | Holding bracket for hot-water baseboard |
| CN103376000A (en) * | 2012-04-17 | 2013-10-30 | 陈则韶 | Composite radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023222A (en) * | 2019-12-28 | 2020-04-17 | 龚雪 | Energy-saving environment-friendly heating ventilation air conditioning equipment combined with solar energy |
| CN111998462A (en) * | 2020-09-02 | 2020-11-27 | 中铁建设集团有限公司 | Underground space high-pollution exhaust air sterilizing and purifying and heat recovery system and method |
| CN111998462B (en) * | 2020-09-02 | 2024-04-23 | 中铁建设集团有限公司 | High-pollution exhaust sterilizing, purifying and heat recovery system and method for underground space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108561990B (en) | 2020-12-25 |
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