Electric furnace and temperature control system based on phase-change material energy storage heat exchange box
Technical field
Heating equipment technical field is the utility model is related to, more particularly to a kind of based on phase-change material energy storage heat exchange box
Electric furnace and temperature control system.
Background technology
In recent years, with society fast development, the continuous improvement of human living standard, in northern China city, heating
Central heating has become the thing popularized very much during people's life and work, at present, what traditional heating mainly used
It is coal heating either electrical heating heating, it is well known that coal heating solves the problems, such as heating to a certain extent, still
Because coal heating can produce greatly environmental hazard, therefore, in recent years, with increasingly serious, the electric energy confession of environmental problem
It is hot gradually to instead of coal heating, due to a variety of causes (such as work hours and time of having a rest), the electric energy power consumption in power network
There is very big otherness, i.e. electric energy in power network has peak value and valley, it is well known that the power of electric heater typically compares
Height, if using electric heating equipment in power consumption peak period, it will great burden is brought to power network, but because temperature is colder
Cold, by power network power taking and then the equipment of progress heating service with regard to more, the electric energy in power network is more nervous, so, design is opened
One kind is sent out electric energy can be carried out in advance and added at paddy electricity moment (when the electrical energy demands i.e. in power network are few, the electric energy in power network is rich)
Heat, then heat energy is stored, as peak electricity moment when electric energy anxiety in power network (when the electrical energy demands i.e. in power network are more),
Stop from power network power taking, heated using the heat energy of storage.
Utility model content
The technical problems to be solved in the utility model is:A kind of electrical heating based on phase-change material energy storage heat exchange box is provided
Stove, to make up the deficiencies in the prior art.The electric furnace based on phase-change material energy storage heat exchange box adds electrical heating and phase transformation
Heat carries out rational matched combined, on the premise of heating demand is ensured, has saved resource to greatest extent, has protected environment.
Disclosure satisfy that the demand of individual consumer, while there are energy-conserving and environment-protective, it is simple in construction, it is easy to use the characteristics of.
The utility model is adopted the technical scheme that to solve technical problem present in known technology:
A kind of electric furnace based on phase-change material energy storage heat exchange box, is comprised at least:
Seal cavity;The inwall of the seal cavity is inner bag material storing box (3), and the outer wall of the seal cavity is housing
(1) it is, heat-insulation layer (2) between the housing (1) and inner bag material storing box (3);Phase transformation material is offered at the top of the seal cavity
Expect charge door (13);
Electric furnace heater box and phase-change material energy storage heat exchange box in seal cavity;Wherein:
The electric furnace heater box includes Medium Oil heater box (16) and the electric heater in Medium Oil heater box (16)
(18), auxiliary heater (17), Medium Oil is offered on the Medium Oil heater box (16) and adds mouth (24), Medium Oil outflow
Mouth A (19), Medium Oil refluxing opening (23);
The phase-change material energy storage heat exchange box includes heating heat-exchange case (27) and the heat friendship in heating heat-exchange case (27)
Pipe (32) is changed, Medium Oil is provided with the heating heat-exchange case (27) and enters pipe (33), Medium Oil flow export B (37), heat exchanger
Outlet pipe (38), heat exchanger return pipe (41), heat exchanger air bleeding valve (42);The Medium Oil enters pipe (33) and passes through heat-exchange tube
(32) connected with Medium Oil flow export B (37);The heat exchanger outlet pipe (38) passes seal cavity and heating connecting tube D
(43) entrance connects;The heat exchanger return pipe (41) passes seal cavity and connected with connecting tube D (43) outlets;In the connection
Circulating pump (40) is installed on pipe D (43);The Medium Oil flow export B (37) is connected by pipeline and Medium Oil refluxing opening (23)
Connect;The Medium Oil flow export A (19) enters pipe (33) with Medium Oil by pipeline road and is connected.
Further:Storing separator for container A (4) and storing separator for container B (5) are provided with the seal cavity on vertical direction;
Seal cavity is divided into Medium Oil heat exchange box A (6), Medium Oil heat exchange by the storing separator for container A (4) and storing separator for container B (5)
Case B (7), phase-change material material storing box (8);The phase-change material charge door (13) is located at the top of phase-change material material storing box (8);Its
In:Phase-change material material storing box (8) is located among Medium Oil heat exchange box A (6) and Medium Oil heat exchange box B (7);The electric furnace heater box
It is respectively positioned on phase-change material energy storage heat exchange box in phase-change material material storing box (8);The company of being provided with the phase-change material material storing box (8)
Logical Medium Oil heat exchange box A (6) and Medium Oil heat exchange box B (7) Medium Oil heat exchanger tube (9);The pipeline road includes:For inciting somebody to action
Medium Oil flow export A (19) is with Medium Oil heat exchange box B (7) the first connecting tubes connected and for by Medium Oil heat exchange box A
(6) the second connecting tube that pipe (33) is connected is entered with Medium Oil.
Further:The Medium Oil heat exchanger tube (9) is made up of the more straight tubes being parallel to each other.
Further:The Medium Oil heat exchanger tube (9) is a coil pipe.
Further:Heat exchange separator for container A (28) and heat exchange box are provided with the interior vertical direction of the heating heat-exchange case (27)
Dividing plate B (29);Heating heat-exchange case (27) is divided into Medium Oil and delayed by the heat exchange separator for container A (28) and heat exchange separator for container B (29)
Deposit case A (30), Medium Oil cache box B (31), storage tank (34);The storage tank (34) be located at Medium Oil cache box A (30) and
Among Medium Oil cache box B (31);Connection Medium Oil cache box A (30) and Medium Oil caching are provided with the storage tank (34)
Case B (31) heat-exchange tube (32);The Medium Oil flow export B (37) is located at Medium Oil cache box A (30) side wall;It is described to change
Hot device return pipe (41) is located at Medium Oil cache box B (31) side wall;The heat exchanger outlet pipe (38) is located at storage tank (34)
Bottom.
Further:The heat-exchange tube (32) is made up of the more straight tubes being parallel to each other.
Further:The heat-exchange tube (32) is a coil pipe.
A kind of temperature control system of the electric furnace based on phase-change material energy storage heat exchange box:Including:
Water temperature for detecting water temperature in phase-change material energy storage heat exchange box pops one's head in (54);
Oil temperature for detecting oil temperature in electric furnace heater box pops one's head in (55);
Material temperature for detecting the interior phase transformation temperature of charge of inner bag material storing box (3) pops one's head in (56);
For detecting the room-temperature probes (60) of room temperature;
For controlling the Oil-temperature control device (57) of electric heater (18) working condition;
For controlling the material temperature controller (59) of auxiliary heater (17) working condition;
For controlling the water temperature regulater (52) of Medium Oil cycle rate;
For controlling the room thermostat (53) of water circulation speed;Wherein:
Peak electric timer (46), auxiliary heater have been electrically connected on the I/O ports of the material temperature controller (59)
(17), material temperature probe (56), material temperature display (48);
Be electrically connected on the I/O ports of the Oil-temperature control device (57) paddy electricity timer (47), oil temperature probe (55),
Electric heater (18), oil temperature display (49);
Water temperature probe (54) has been electrically connected on the I/O ports of the water temperature regulater (52), Medium Oil has been connected to and enters
Enter flow oil pump (35), the water temperature display (50) at pipe (33) place.
Further, in addition to:
For protecting the oil temperature protection pipe (62) of oil temperature probe (55);
For protecting the water temperature protection pipe (64) of water temperature probe (54);
For protecting the material temperature protection pipe (63) of material temperature probe (56).
Further:Charging lid (14) is installed on the phase-change material charge door (13);On the charging lid (14)
Offer steam vent (15).
Further:The power supply of the temperature control system is one kind in civil power, device of solar generating, wind power generation plant
It is or a variety of;When the power supply includes civil power, device of solar generating, wind power generation plant,
While paddy electricity is that medium heater box (16) heats, device of solar generating, wind power generation plant are simultaneously medium
Heater in heater box (16) provides electric energy;Or the Medium Oil in solar energy heat collection pipe heating medium heater box (16) is
Heat accumulating accumulation of heat, unnecessary thermal source provide the user domestic hot-water directly or by heat-exchanger rig.
The utility model has the advantages and positive effects of:
By using above-mentioned technical proposal, the utility model is reasonably combined electrical heating with phase transformation heating, and this is specially
Profit heats first with electric heater to paddy electricity to the Medium Oil in electric furnace heater box, the medium in subsequent electric furnace heater box
Oil sequentially enters seal cavity and phase-change material energy storage heat exchange box by circulation line, Medium Oil first with the phase in seal cavity
Become material to be exchanged heat, then exchanged heat with the water in phase-change material energy storage heat exchange box, now, heat energy is stored in phase transformation material
In material and water;Water circulation pipe is set between water and extraneous heating system in phase-change material energy storage heat exchange box, hot water passes through
Heat energy is supplied to user by water circulation pipe;When peak, electricity occurs, electric heater is stopped, and phase-change material is by the heat energy of storage
It is the water heat supply in phase-change material energy storage heat exchange box by way of heat exchange, now, the heating heat energy of user is by phase-change material
There is provided.When the heat energy of phase-change material storage exhausts, heat supply can be carried out by auxiliary heater;Electricity provided by the utility model
Heating furnace, the peak electricity moment being avoided well, on the one hand protecting the security of power network, still further aspect also saves into
This.
Brief description of the drawings
Fig. 1 is the shape assumption diagram of the utility model preferred embodiment;
Fig. 2 is a kind of preferred structure of seal cavity in the utility model preferred embodiment;
Fig. 3 is the first preferred structure of phase-change material energy storage heat exchange box in the utility model preferred embodiment;
Fig. 4 is the second preferred structure of phase-change material energy storage heat exchange box in the utility model preferred embodiment;
Fig. 5 is the third preferred construction of phase-change material energy storage heat exchange box in the utility model preferred embodiment;
Fig. 6 is a kind of preferred structure of electric furnace heater box in the utility model preferred embodiment;
Fig. 7 is the structural representation of the utility model first preferred embodiment;
Fig. 8 is the structural representation of the preferred embodiment of the utility model second;
Fig. 9 is the structural representation of the utility model third preferred embodiment;
Figure 10 is the structural representation of the preferred embodiment of the utility model the 4th;
Figure 11 is the structural representation of the preferred embodiment of the utility model the 5th;
Figure 12 is the circuit diagram of the utility model preferred embodiment;
In figure:1st, housing;2nd, heat-insulation layer;3rd, inner bag material storing box;4th, storing separator for container A;5th, storing separator for container B;6th, medium
Oily heat exchange box A;7th, Medium Oil heat exchange box B;8th, phase-change material material storing box;9th, Medium Oil heat exchanger tube;10th, Medium Oil enters pipe A;
11st, Medium Oil effuser;12nd, base;13rd, phase-change material charge door;14th, feed lid;15th, steam vent;16th, Medium Oil heats
Case;17th, auxiliary heater;18th, electric heater;19th, Medium Oil flow export A;20th, connecting tube A;21st, oil circulating pump;22nd, connect
Pipe B;23rd, Medium Oil refluxing opening;24th, Medium Oil adds mouth;25th, Medium Oil adds lid;26th, air-vent;27th, heating heat-exchange case;
28th, exchange heat separator for container A;29th, exchange heat separator for container B;30th, Medium Oil cache box A;31st, Medium Oil cache box B;32nd, heat-exchange tube;
33rd, Medium Oil enters pipe B;34th, storage tank;35th, flow oil pump;36th, connecting tube C;37th, Medium Oil flow export B;38th, heat exchanger
Outlet pipe;39th, pump inlet;40th, circulating pump;41st, heat exchanger return pipe;42nd, heat exchanger air bleeding valve;43rd, connecting tube D;44、
Connecting tube E;45th, connecting tube F;46th, peak electric timer;47th, paddy electricity timer;48th, material temperature display;49th, oil temperature display;
50th, water temperature display;51st, room temperature display;52nd, water temperature regulater;53rd, room thermostat;54th, water temperature is popped one's head in;55th, oil temperature is visited
Head;56th, material temperature is popped one's head in;57th, Oil-temperature control device;58th, total power switch;59th, material temperature controller;60th, room-temperature probes;61st, power supply
Indicator lamp;62nd, oil temperature protection pipe;63rd, material temperature protection pipe;64th, water temperature protection pipe;65th, Cang Gai;66th, thermovent;67th, support every
Plate.
Embodiment
For utility model content, feature and effect of the present utility model can be further appreciated that, following examples are hereby enumerated, and
Accompanying drawing is coordinated to describe in detail as follows:
First preferred embodiments:Refer to Fig. 1, Fig. 6 and Fig. 8, a kind of electrical heating based on phase-change material energy storage heat exchange box
Stove, including:
Seal cavity;The inwall of the seal cavity is inner bag material storing box 3, and the outer wall of the seal cavity is housing 1, institute
State between housing 1 and inner bag material storing box 3 is heat-insulation layer 2;Phase-change material charge door 13 is offered at the top of the seal cavity;It is close
The storehouse lid 65 of addition phase-change material is offered at the top of envelope cavity;The side wall of seal cavity offers the radiating of water pump heat transmission
Mouth 66;In the preferred embodiment, phase-change material select be medium temperature phase-change heat-storage material, its by phase change paraffin, thickener, into
Core agent, reinforcing material and thermal conducting agent composition, have the advantages of environmentally friendly, nontoxic, stable circulation system is good, thermal conductivity is strong.
Electric furnace heater box and phase-change material energy storage heat exchange box in seal cavity;Wherein:
The electric furnace heater box includes Medium Oil heater box 16 and electric heater 18 in Medium Oil heater box 16, auxiliary
Heater 17 is helped, Medium Oil is offered in the Medium Oil heater box 16 and adds mouth 24, Medium Oil flow export A19, Medium Oil
Refluxing opening 23;Medium Oil, which is added at mouth 24, is provided with Medium Oil addition lid 25, and Medium Oil adds on lid 25 and offers air-vent 26;
Heat-insulation layer 2 is provided between the outer wall and inwall of the Medium Oil heater box 16;
The phase-change material energy storage heat exchange box includes heating heat-exchange case 27 and the heat-exchange tube in heating heat-exchange case 27
32, Medium Oil is provided with the heating heat-exchange case 27 and enters pipe 33, Medium Oil flow export B37, heat exchanger outlet pipe 38, heat exchange
Device return pipe 41, heat exchanger air bleeding valve 42;The Medium Oil enters pipe 33 and connected by heat-exchange tube 32 and Medium Oil flow export B37
It is logical;The heat exchanger outlet pipe 38 passes seal cavity and is connected with heating connecting tube D43 entrances;The heat exchanger return pipe
41 pass seal cavity connects with connecting tube D43 outlets;Circulating pump 40 is installed on the connecting tube D43;The Medium Oil
Flow export B37 is connected by pipeline with Medium Oil refluxing opening 23;The Medium Oil flow export A19 passes through pipeline road and Medium Oil
Connected into pipe 33.
Refer to Fig. 8, the hot water in heating heat-exchange case 27 passes sequentially through heat exchanger outlet pipe 38, connecting tube E44, circulating pump
40 pump inlet 39, circulating pump 40, connecting tube D43, outside heating system, heat exchanger return pipe 41 realize one it is complete
Heat water circulation;Medium Oil in Medium Oil heater box 16 passes sequentially through Medium Oil flow export A19, connecting tube A20, oil circulating pump
21st, connecting tube B22, Medium Oil heat exchanger tube 9, connecting tube C36, flow oil pump 35, Medium Oil enter pipe 33, heat-exchange tube 32, are situated between
Matter oil stream outlet B37, connecting tube F45, Medium Oil refluxing opening 23 realize a complete Medium Oil circulation;
Second preferred embodiments:On the basis of the first preferred embodiments, Fig. 2 is referred to, in order to further increase heat exchange
The effect of insulation, seal cavity additionally use following additional technical feature:Storage is provided with the seal cavity on vertical direction
Hopper dividing plate A4 and storing separator for container B5;Seal cavity is divided into Medium Oil by storing separator for container A4 and storing the separator for container B5
Heat exchange box A6, Medium Oil heat exchange box B7, phase-change material material storing box 8;The phase-change material charge door 13 is located at phase-change material storing
The top of case 8;Wherein:Phase-change material material storing box 8 is located among Medium Oil heat exchange box A6 and Medium Oil heat exchange box B7;The electric furnace
Heater box and phase-change material energy storage heat exchange box are respectively positioned in phase-change material material storing box 8;It is provided with the phase-change material material storing box 8
Connect Medium Oil heat exchange box A6 and Medium Oil heat exchange box B7 Medium Oil heat exchanger tube 9;The pipeline road includes:For by medium
Oil stream exports A19 with Medium Oil heat exchange box B7 the first connecting tubes connected and for by Medium Oil heat exchange box A6 and Medium Oil
The second connecting tube connected into pipe 33;In the preferred embodiment, the side wall of the Medium Oil heat exchange box B7 offers medium
Oil stream outlet pipe 11, in the preferred embodiment, charging lid 14 is installed on phase-change material charge door 13;The charging lid 14
On offer steam vent 15;The bottom of seal cavity is provided with base 12;
3rd preferred embodiments:On the basis of the first preferred embodiments or the second preferred embodiment:Refer to Fig. 3:For
The effect of further increase heat exchange insulation, heating heat-exchange case 27 additionally use following additional technical feature:The heating heat-exchange
Heat exchange separator for container A28 and heat exchange separator for container B29 are provided with case 27 on vertical direction;The heat exchange separator for container A28 and heat exchange box
Heating heat-exchange case 27 is divided into Medium Oil cache box A30, Medium Oil cache box B31, storage tank 34 by dividing plate B29;The water storage
Case 34 is located among Medium Oil cache box A30 and Medium Oil cache box B31;Connection Medium Oil is provided with the storage tank 34 to delay
Deposit case A30 and Medium Oil cache box B31 heat-exchange tube 32;The Medium Oil flow export B37 is located at Medium Oil cache box A30's
Side wall;The heat exchanger return pipe 41 is located at Medium Oil cache box B31 side wall;The heat exchanger outlet pipe 38 is located at storage tank
34 bottom, one end of heat exchanger return pipe 41 connect with Medium Oil cache box B31, the other end of heat exchanger return pipe 41 with it is outer
The outlet pipe connection of portion's heating system, heat exchanger outlet pipe 38 pass sequentially through connecting tube E44, the pump inlet of circulating pump 40
39th, circulating pump 40, connecting tube D43 connect with the oral siphon of outside heating system;The outer wall and inwall of the heating heat-exchange case 27
Between be provided with heat-insulation layer 2;
4th preferred embodiments:On the basis of the first preferred embodiments or the second preferred embodiment:Refer to Fig. 4:For
Increase heat exchange efficiency, the heat-exchange tube 32 in heating heat-exchange case 27 are bent to U-shaped structure, while by Medium Oil heater box
Auxiliary heater 17 is moved and is attached in heating heat-exchange case 27, can so increase the transfer path of U-tube and Medium Oil.
5th preferred embodiments:On the basis of the 4th preferred embodiment:Refer to Fig. 5:For the ease of heat-exchange tube 32
Turn, and be evenly distributed, be provided with supporting clapboard 67 between adjacent two sections of medium oil pipes, one end of supporting clapboard 67 is with adopting
The inwall of warm heat exchange box 27 is fixedly connected.Mirror makes the current in heating heat-exchange case 27 to heated barrier 67 between the coil pipe of heat-exchange tube 32
With the reverse flow of media for heat exchange oil keeper to strengthen heat transfer effect.
Refer to Figure 11, the hot water in heating heat-exchange case 27 passes sequentially through heat exchanger outlet pipe 38, connecting tube E44, circulation
The pump inlet 39 of pump 40, circulating pump 40, connecting tube D43, outside heating system, heat exchanger return pipe 41 realize one completely
Heating water circulation;Medium Oil in Medium Oil heater box 16 passes sequentially through Medium Oil flow export A19, connecting tube A20, recycle oil
Pump 21, connecting tube B22, Medium Oil enter pipe A10, Medium Oil heat exchange box B7, Medium Oil heat exchanger tube 9, Medium Oil heat exchange box A6, Jie
Matter oil stream outlet pipe 11, connecting tube C36, flow oil pump 35, Medium Oil enter pipe 33, heat-exchange tube 32, connecting tube F45, Medium Oil
Refluxing opening 23 realizes a complete Medium Oil circulation.
Refer to Fig. 2:The Medium Oil heat exchanger tube 9 is made up of the more straight tubes being parallel to each other.As shown in Fig. 2 more straight
Manage to be horizontally arranged, now every straight tube is as the increase of transmission range, heat-energy losses amount be consistent, so the structure
The uniformity of each vertical end temperature can be ensured well;
Refer to Fig. 8:The Medium Oil heat exchanger tube 9 is a coil pipe or U-tube, and the structure is compared with above-mentioned straight tube
Compared with the one hand the tubing of saving, reduces interface quantity, i.e., can reduce the accident potential of leakage;Still further aspect is handed over due to heat
Change the increase of distance, you can ensure the adequacy of heat exchange, increase the efficiency of heat exchange, be i.e. liquid circulation one week being capable of heat friendship
The energy changed is more.
Refer to Figure 10:The heat-exchange tube 32 is made up of the more straight tubes being parallel to each other.
Refer to Fig. 9 and Figure 11:The heat-exchange tube 32 is a coil pipe or U-tube.
Refer to Figure 12, a kind of temperature control system of the electric furnace based on phase-change material energy storage heat exchange box:It is described to be based on phase
Become the electric furnace of material energy storage heat exchange box as the electric furnace in above preferred embodiment;The temperature control system includes:
For detecting the water temperature probe 54 of water temperature in phase-change material energy storage heat exchange box;
For detecting the oil temperature probe 55 of oil temperature in electric furnace heater box;
For detecting the material temperature probe 56 of phase transformation temperature of charge in inner bag material storing box 3;
For detecting the room-temperature probes 60 of room temperature;
For controlling the Oil-temperature control device 57 of the working condition of electric heater 18;
For controlling the material temperature controller 59 of the working condition of auxiliary heater 17;
For controlling the water temperature regulater 52 of Medium Oil cycle rate;
For controlling the room thermostat 53 of water circulation speed;Wherein:
Peak electric timer 46, auxiliary heater 17, material temperature have been electrically connected on the I/O ports of the material temperature controller 59
Probe 56, material temperature display 48;
Paddy electricity timer 47, oil temperature probe 55, electrical heating have been electrically connected on the I/O ports of the Oil-temperature control device 57
Device 18, oil temperature display 49;
Water temperature probe 54 has been electrically connected on the I/O ports of the water temperature regulater 52, has been connected to Medium Oil into pipe
Flow oil pump 35, water temperature display 50 at 33;
Material temperature display 48, oil temperature display 49, water temperature display 50, room temperature display 51 connect with total power switch 58
Connect;The I/O ports of room thermostat 53 are connected with room temperature display 51, circulating pump, room-temperature probes 60 respectively.Refer to Fig. 1, material
Warm display 48, oil temperature display 49, water temperature display 50, room temperature display 51, power supply indicator 61 are located at seal cavity
Preceding surface, total power switch 58 are located at the right flank of seal cavity.
In order to realize the multiple choices of electric energy, the power supply of the temperature control system is civil power, device of solar generating, wind-force hair
One or more in electric installation;In the preferred embodiment, power supply selection is civil power, device of solar generating, wind-force hair
Electric installation three mode in parallel, so while using paddy electricity to be heated for medium heater box 16, device of solar generating, wind
The clean energy resourcies such as power generation device can be that the heater (electric heater 18, auxiliary heater 17) in medium heater box 16 carries
Power supply energy;Or the Medium Oil in solar energy heat collection pipe heating medium heater box 16 can also be used as heat accumulating accumulation of heat, it is more
Remaining thermal source can also provide the user domestic hot-water directly or by heat-exchanger rig, improve the utilization of the energy to greatest extent
Rate, reduce the loss of electric energy.
Preferably, on the basis of above preferred embodiment:In order to improve security, temperature control system also includes:
For protecting the oil temperature protection pipe 62 of oil temperature probe 55;
For protecting the water temperature protection pipe 64 of water temperature probe 54;
For protecting the material temperature protection pipe 63 of material temperature probe 56.
Inner bag material storing box 3 in above-mentioned each preferred embodiment can according to actual heating requirement respectively with heat exchange box 27, medium
The oily partial installation of heater box 16 uses or the use that is assembled into one, and medium heating device can use other mode of heatings during partial installation
Heating.
Medium Oil heater box 16, the profile of heat exchange box 27, heating, heat exchange mode specification can carry out work according to actual requirement
Skill adjusts.
When inner bag material storing box 3, Medium Oil heater box 16, the split of heat exchange box 27 use, each position electrical equipment of temperature control system
Control system can unify centralized Control or independently control.
Refer to Fig. 4 and Fig. 5:Auxiliary heater 17 in Medium Oil heater box 16 can be pacified according to actual heating demands
In heating heat-exchange case 27, the internal structure of heat exchange box 27 can be adjusted to structure shown in Fig. 5 and exist on architecture basics shown in Fig. 4
Mirror makes the current in heat exchange box 27 be changed with media for heat exchange oil keeper reverse flow to strengthen to supporting clapboard 67 between the coil pipe of heat exchanger tube 32
Thermal effect.Supporting clapboard 67 preferably has the dividing plate of heating function.
Embodiment of the present utility model is described in detail above, but the content is only of the present utility model preferable
Embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all made according to present utility model application scope it is equal
Deng change and improvement etc., all should still belong within patent covering scope of the present utility model.