A kind of tabula rasa solar energy and combustion gas combined type heating system
Technical field
The utility model relates to the heat supply heating system of energy mix heating, relates in particular to a kind of tabula rasa solar energy and combustion gas combined type heating system.
Background technology
Traditional storage-type and Instant heating type hot water apparatus be generally all by the single source heat supply, as: electric energy, combustion gas, solar energy, air source, water source, geothermal source etc.Owing to be subjected to the restriction of single source, following defective can occur: 1, when device breaks down, often the heat supply heating will be interrupted, and can't guarantee normal instructions for use; 2, be subjected to the restriction of service condition easily, as: the cable problem of electric instant heating, solar energy is in overcast and rainy use etc.; The capital produces certain restriction to the use of hot water apparatus; 3, do not satisfy many-sided heating heat supply requirement, as the place of needs heating simultaneously, heating and heat supply water; 4, single source heating heat supply does not meet the environmental protection and energy saving requirement that country advocates; 5, the hot water of people's use, after using, namely drain (no matter being bathing or other purposes), it is special when environment temperature is low, this secondary water of draining, though temperature not high (20 ~ 30 ℃), relative running water (winter is below 10 ℃), the heat that wherein contains is recycled easily.But the water of main flow custom is not used at present, wastes the utilizable energy source.
The utility model content
At defective and the deficiency of above-mentioned existence, a kind of tabula rasa solar energy and combustion gas combined type heating system are proposed.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of tabula rasa solar energy and combustion gas combined type heating system are provided, comprise attemperater assembly, tabula rasa solar energy assembly, heating loop assembly, burnt gas wall hanging furnace assembly, control assembly, inlet pipeline, water end, hot water gatherer and waste heat switch; Described attemperater assembly comprises inner water tank, inner water tank bottom and top are respectively equipped with into water tube head and water outlet tube head, and inner water tank inside is disposed with solar energy coil pipe, heating coil and combustion gas coil pipe from top to bottom between water outlet tube head and water inlet tube head; Described solar energy coil pipe connects described tabula rasa solar energy assembly, and described heating coil connects described heating loop assembly, and described combustion gas coil pipe connects described burnt gas wall hanging furnace assembly; Described water outlet tube head connects described water end, and described hot water gatherer be used for to be collected from water is terminal and flowed out the hot water after using and it is delivered to described waste heat switch, and described inlet pipeline passes described waste heat switch and is connected to described water inlet tube head; Described tabula rasa solar energy assembly, heating loop assembly, burnt gas wall hanging furnace assembly all are electrically connected described control assembly.
Wherein, described tabula rasa solar energy assembly comprises solar thermal collector, solar energy circulating pump, heat-transfer working medium; Described solar thermal collector is provided with the working medium circulation line of the described heat-transfer working medium of heating, and connects solar energy coil pipe in the described attemperater by described working medium circulation line, and described circulating pump is arranged on the working medium circulation line, is used for driving heat-transfer working medium and flows.
Wherein, the heat-transfer working medium in the described working medium circulation line is freezing liquid.
Wherein, described burnt gas wall hanging furnace assembly comprises burnt gas wall hanging furnace, second heat-transfer working medium; Described burnt gas wall hanging furnace comprises combustion chamber, heat exchanger, water pump and electrical control module; Described heat exchanger is positioned at described combustion chamber, and the combustion gas coil pipe in heat exchanger and the described attemperater assembly connects and composes the closed circuit that flows for described second heat-transfer working medium by pipeline, and described water pump is arranged on this closed circuit; Described water pump is electrically connected described electrical control module, and the electrical control module is electrically connected described control assembly.
Wherein, described electrical control module comprise the blast switch that starts described water pump for the blower fan of giving described exhaust combustion chamber, when being used in the combustion chamber for negative pressure state, be used for gas ratio valve that behind starting mode of pump control enters gas quantity in the combustion chamber, for detection of flue gas and under abnormal conditions control cut off the flue gas inductive switch of gas ratio valve; Described blast switch is electrically connected described water pump and gas ratio valve, and described flue gas inductive switch is electrically connected described gas ratio valve.
Wherein, described heating loop assembly comprise heating circulation pump, floor heating coil pipe or radiator, for detection of the temperature sensor of indoor temperature; Described floor heating coil pipe or radiator are connected by pipeline with heating coil in the described attemperater assembly, and described heating circulation pump is set on connecting line; Described heating circulation pump and described temperature sensor are electrically connected described control assembly.
Wherein, described inner water tank is enamel or stainless steel; Inner water tank is socketed with tank shell outward, is filled with insulation bubble material between tank shell and the inner water tank.
Wherein, on the described inlet pipeline safety valve is installed.
Wherein, described combustion gas coil pipe, solar energy coil pipe, heating coil material are stainless steel tube or fin steel pipe.
The beneficial effects of the utility model are: 1, when one group of thermal source unit breaks down, can not influence normal heating heat demand; 2, this combined system adopts burnt gas wall hanging furnace and tabula rasa solar energy to use as thermal source complementary, can reduce the use of combustion gas, cut down the consumption of energy, improve the service life of unit, and the position of each thermal source coil pipe of reasonable Arrangement, hydromining is got the mode that segmentation is heated, also carry out waste heat recovery in addition, can improve the efficiency of rate of energy and unit; 3, meet the energy-conserving and environment-protective requirement that country advocates, use the high unit combination of energy utilization rate as far as possible.
Description of drawings
Fig. 1 be the utility model one embodiment structural representation;
Fig. 2 is the structural representation of attemperater assembly in the utility model;
Fig. 3 is the structural representation of burnt gas wall hanging furnace in the utility model;
Fig. 4 is the structural representation of tabula rasa solar energy assembly in the utility model.
Label declaration:
1, attemperater assembly; 11, water inlet tube head; 12, combustion gas coil pipe; 13, first temperature sensor; 14, heating coil; 15, second temperature sensor; 16, solar energy coil pipe; 17, water outlet tube head; 18, tank upper cover; 19, inner water tank; 101, insulation bubble material; 102, magnesium rod; 103, tank shell; 104, water tank lower cover; 105, water tank footing;
2, heating loop assembly; 21, floor heating coil pipe; 22, heating circulation pump; 23, three-temperature sensor;
3, tabula rasa solar energy assembly; 31, solar thermal collector; 32, solar energy expansion drum; 33, air bleeding valve; 34, solar energy circulating pump; 35, solar energy temperature sensor; 311, aluminum alloy frame; 312, absorber; 313, base plate heat-preservation cotton; 314, collection distributive pipe; 315, zinc-plated base plate; 316, safety glass; 317, working medium circulation line;
4, control assembly;
5, burnt gas wall hanging furnace assembly; 501, delivery port; 503, shell structure; 504, heat exchanger; 505, blast switch; 506, blower fan; 507, exhaust outlet; 508, combustion chamber; 509, second expansion drum; 510, water pump; 511, gas ratio valve; 512, water inlet; 513, air inlet;
6, inlet pipeline; 61, safety valve; 7, water end; 8, hot water gatherer; 9, waste heat switch.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, present embodiment provides a kind of tabula rasa solar energy and combustion gas combined type heating system, mainly comprises attemperater assembly 1, tabula rasa solar energy assembly 3, heating loop assembly 2, burnt gas wall hanging furnace assembly 5, control assembly 4, inlet pipeline 6, water end 7, hot water gatherer 8 and waste heat switch 9.
As shown in Figure 2, attemperater assembly 1 comprises the housing that is made of inner water tank 19, tank shell 103, tank upper cover 18, water tank lower cover 104 and water tank footing 105, wherein tank shell 103 is socketed on outside the inner water tank 19, and is filled with insulation bubble material 101 between the two with 19 insulations of feed-tank inner bag.Inner water tank 19 is enamel or stainless steel, can high pressure resistant and corrosion.In order to prevent from corroding inner water tank 19, also be set with magnesium rod 102 on the inner water tank 19, magnesium rod 102 stretches to inner water tank 19 inside, prevents the inner water tank corrosion by principle of cathodic protection, reaches to prolong the water tank effect in service life.
Inner water tank 19 bottoms are provided with into water tube head 11, and top is provided with water outlet tube head 17, and inner water tank 19 inside are disposed with solar energy coil pipe 16, heating coil 14 and combustion gas coil pipe 12 from top to bottom between water outlet tube head 17 and water inlet tube head 11.Solar energy coil pipe 16 connects tabula rasa solar energy assemblies 3 and constitutes peripheral passages, utilizes the water in the heat cyclic heating water tank inner bag 19 of solar energy.Heating coil 14 connects heating loop assembly 2, provides heat to be the room heating to heating loop assembly 2 by the water in the inner water tank 19.Combustion gas coil pipe 12 connects burnt gas wall hanging furnace assemblies 5 and constitutes peripheral passages, utilizes the water heating in the heat feed-tank inner bag 19 that fuel gas buring produces.Because 3 of tabula rasa solar energy assemblies can provide the working medium temperature of circulation higher, therefore the upper strata that solar energy coil pipe 16 is arranged at inner water tank 19 is conducive to ensure the total leaving water temperature of water tank, and combustion gas coil pipe 12 is positioned at inner water tank 19 bottoms, giving full play to combustion gas uses flexibly and the big characteristics of temperature range, can directly heat or carry out preheating to water, improve whole water temperature in the water tank.According to the layering rule of hot and cold water, for the required heating coil 14 of heating, because the water temperature of water tank central region is about 45 ℃, after heating coil 14 heat exchange, it is required that temperature just meets heating.Wherein, combustion gas coil pipe 12, solar energy coil pipe 16, heating coil 14 materials can be stainless steel tube or fin steel pipe.
Water outlet tube head 17 connects water end 7, hot water gatherer 8 arranges corresponding to water terminal 7, be used for to collect from water terminal 7 and flow out the hot water after using and it is delivered to waste heat switch 9, and inlet pipeline 6 passes the water inlet tube head 11 that waste heat switch 9 connects on the inner water tank 19, cold water can carry out preheating by the hot water that is recovered in the waste heat switch 9 before entering inner water tank 19 again, improve inflow temperature, when particularly winter, inflow temperature was low, effect was obvious.Because attemperater is press-bearing water tank, at inlet pipeline 6 safety valve 61 is installed, and plays the pressure release effect, prevents hypertonia in the water tank heating process.
Tabula rasa solar energy assembly 3, heating loop assembly 2, burnt gas wall hanging furnace assembly 5 all are electrically connected control assembly 4.Control assembly 4 generally comprises controller mainboard, controller housing, holding wire etc., when work, mode by manual direct control button is sent instruction to control assembly 4, control assembly 4 is passed to the automatically controlled plate of corresponding assembly in the heating system with instruction, and automatically controlled plate is carried out corresponding control action and finished required function.In the present embodiment, inner water tank 19 bottoms are provided with first temperature sensor 13, top is provided with second temperature sensor 15, two sensors detects the water temperature on water tank bottom and top respectively, temperature value offers control assembly, and control assembly is relatively controlled the unlatching of burnt gas wall hanging furnace assembly and tabula rasa solar energy assembly respectively by set pattern or closed according to corresponding water temperature and respective settings value.
This system combined operation principle is: in the time of solar light irradiation, can directly adopt tabula rasa solar energy assembly that the water in the water tank is heated, the burnt gas wall hanging furnace assembly does not then use when having solar radiation or water demand amount bigger.During actual the use, utilize control assembly respectively solar energy heating assembly and burnt gas wall hanging furnace assembly to be controlled as required.For example: when shining upon, can adopt tabula rasa solar energy assembly that the water in the water tank is heated, if run into overcast and rainy or evening the time, can directly utilize the burnt gas wall hanging furnace assembly that the water in the water tank is heated; Connect the heating loop assembly by the heating coil in the water tank, also can heat to the room, realize the Combination application of heat supply heating.Simultaneously, utilize waste-heat recovery device, collect the secondary hot water, improve inflow temperature, reduce the power of whole heating heat supply, realize Combination application and the energy-saving effect of heat supply heating.
Adopt the advantage of such scheme to be: 1, when one group of thermal source unit breaks down, can not influence normal heating heat demand; 2, this combined system adopts burnt gas wall hanging furnace and tabula rasa solar energy to use as thermal source complementary, can reduce the use of combustion gas, cut down the consumption of energy, improve the service life of unit, and the position of each thermal source coil pipe of reasonable Arrangement, hydromining is got the mode that segmentation is heated, also carry out waste heat recovery in addition, can improve the efficiency of rate of energy and unit; 3, meet the energy-conserving and environment-protective requirement that country advocates, use the high unit combination of energy utilization rate as far as possible.
Introduce the structure of each thermal source and heating loop assembly more one by one below in conjunction with accompanying drawing.
Consult Fig. 1, the heating loop assembly 2 of present embodiment comprises floor heating coil pipe 21, heating circulation pump 22 and three-temperature sensor 23.Heating coil 14 in floor heating coil pipe 21 and the attemperater assembly 1 is connected by pipeline, and described heating circulation pump 22 is set on connecting line; Heating circulation pump 22 and three-temperature sensor 23 are electrically connected described control assembly 4.Three-temperature sensor 23 is for detection of indoor temperature, and when when control assembly 4 arranges heating mode, according to the heating temperature of indoor temperature and setting, heating circulation pump 22 optionally starts or closes, thereby the room is heated.Floor heating coil pipe 21 in the present embodiment can also replace with radiator, specifically chooses according to the heating demand.
Consult Fig. 1 and Fig. 4, described tabula rasa solar energy assembly 3 comprises (as shown in Figure 1 and Figure 4): solar thermal collector 31, solar energy expansion drum 32, solar energy circulating pump 34, air bleeding valve 33, the pipeline that is connected with the water tank coil pipe, heat-transfer working medium (anti-icing fluid), solar energy temperature sensor 35; Wherein solar thermal collector 31 comprises (as shown in Figure 4): aluminum alloy frame 311, zinc-plated base plate 315, safety glass 316, frame and base plate heat-preservation cotton 313, absorber 312, collection distributive pipe 314, working medium circulation line 317 etc.Tabula rasa solar energy assembly 3 operation principles: sunshine sees through safety glass 316, the absorber 312 that is coated with the high selectivity absorbed layer absorbs solar radiation and is converted into heat energy, its temperature is raise gradually the heating of the heat-transfer working medium in the working medium circulation line in the solar thermal collector 31.When solar thermal collector 31 top working medium temperature T 1(solar energy temperature sensors 35) with water tank bottom water temperature T 2(first temperature sensor 13) the temperature difference when reaching certain value (3 ℃-5 ℃), solar energy circulating pump 34 starts automatically, and heat-transfer working medium is circulated to the solar energy coil pipe 16 of heat storage water tank and the water in the heat tracing water tank.When water tank upper water temperature T 3(second temperature sensor 15) when reaching setting value (50 ℃-60 ℃), solar energy circulating pump 34 quits work automatically.Wherein solar energy temperature sensor 35, first temperature sensor 13, second temperature sensor 15 all are connected with control assembly 4
Wherein, heat-transfer working medium can be freezing liquid or water, preferably, adopts freezing liquid, can solve antifreeze problem in winter.
Consult Fig. 3, in the present embodiment, described burnt gas wall hanging furnace assembly 5 comprises burnt gas wall hanging furnace and heat-transfer working medium; Burnt gas wall hanging furnace comprises shell structure 503, be provided with combustion chamber 508 in the shell structure 503, be provided with heat exchanger 504 in the combustion chamber 508, be provided with delivery port 501 and water inlet 512 communicatively with this heat exchanger 504 on the shell structure 503, wherein the pipeline that is connected with heat exchanger 504 of water inlet 512 is provided with water pump 510, delivery port 501 and water inlet 512 is used for being connected the combustion gas coil pipe 12 of attemperater assembly 1, thereby make heat exchanger 504 and combustion gas coil pipe 12 constitute the closed circuit that flows for heat-transfer working medium, the power that water pump 510 then provides heat-transfer working medium to flow.During work, combustion gas enters combustion chamber 508 burning through air inlet 513 and produces heats, and the heat-transfer working medium in the reheat heat exchanger 504, water pump 510 make heat-transfer working medium cycle through combustion gas coil pipe 12 and water in the heating water tank inner bag 19.Heat-transfer working medium can be freezing liquid or water.
Water pump 510 is started by the electrical control module controls of burnt gas wall hanging furnace, wherein electrical control module comprises the blast switch 505 that starts described water pump 510 for the blower fan 506 of giving combustion chamber 508 exhausts, when being used in combustion chamber 508 for negative pressure state, be arranged at air inlet 513 places be used for starting gas ratio valve 511 that back control enters gas quantity combustion chamber 508 at water pump 510, for detection of flue gas and under abnormal conditions, control the flue gas inductive switch (not shown) of cut-out gas ratio valve 511; Blast switch 505 is electrically connected water pump 510 and gas ratio valve 511, and the flue gas inductive switch is electrically connected gas ratio valve 511.Operation principle is: when the burnt gas wall hanging furnace ignition switch enters duty, blower fan 506 starts earlier makes formation Negative Pressure Difference in the combustion chamber 508, blast switch 505 is issued water pump 510 to instruction, after water pump 510 starts, heat-transfer working medium enters heat exchanger 504 through water inlet 512, water flow switch on the pipeline is issued electrion device (be used for igniting and make fuel gas buring) to instruction, and it starts the back instruction and issues gas ratio valve 511, and gas ratio valve 511 begins to start.Gas ratio valve 511 and blast switch 505 and flue gas inductive switch are chain control, there is certain negative pressure combustion chamber 508, gas ratio valve 511 just can be worked, when continuing for some time (as 5 seconds), the flue gas inductive switch detects when having waste gas to discharge less than exhaust outlet 507, just cut off gas ratio valve 511 and stop air feed, thereby guarantee the safe handling combustion gas.
Because variations in temperature is bigger in the burnt gas wall hanging furnace, for compensatory pressure changes, also is provided with second expansion drum, 509, the second expansion drums 509 in the shell structure 503 of burnt gas wall hanging furnace and is positioned at outside the combustion chamber 508, and be connected with the working medium closed circuit.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.