The utility model content
The purpose of this utility model provides the non-phase transformation tubulature type of a kind of solar energy heat collector, its thermal conversion efficiency height, can continue to produce steam, heat collector can be worked under relatively low temperature simultaneously, guarantee that heat radiation seldom scatters and disappears, simultaneously little, in light weight, safe and reliable, sturdy and durable, the long service life of volume, withstand voltage, environmental protection.
In order to achieve the above object, technical method of the present utility model is:
The non-phase transformation tubulature type of a kind of solar energy heat collector comprises air inlet-outlet-housing, is used for the fixed tube sheet of the non-phase-change heat transfer pipe tube bank of support fixation, support side plate, and the intake-outlet of air inlet-outlet-housing is taken over; It also comprises a plurality of non-phase-change heat transfer pipes, and a plurality of non-phase-change heat transfer pipes are parallel to each other and form tube bank, and tube bank is provided with two-layer at least;
Two air inlet-outlet-housings are parallel to be oppositely arranged;
The inboard of two air inlet-outlet-housings is connected with the sealing of two air inlet-outlet-housing madial walls respectively with the tube bank two ends;
The outside of two air inlet-outlet-housings respectively is connected to adapter, takes over to be connected to circulation waterway respectively;
The transverse ends of two air inlet-outlet-housings is fixedly connected with support side plate respectively each other, and the tube bank that a plurality of non-phase-change heat transfer pipes are parallel to each other and form is positioned at the inboard of two support side plate;
Two-layer tabular tube bank is positioned on the caustic surface of disc type solar energy mirror concentrator.
The non-phase transformation tubulature type of described solar energy heat collector, its described each non-phase-change heat transfer pipe comprises filling end socket, outer tube, inner sleeve, lower end cap, working media; Wherein, the internal diameter of outer tube is greater than the external diameter of inner sleeve, and inner sleeve places in the outer tube in a coaxial fashion, and is concordant or stretch out the state setting of outer tube two-port with the inner sleeve two ends; Establish respectively at the two ends of each non-phase-change heat transfer pipe and to fill end socket and lower end cap, outer tube and inner sleeve are fixed, and, be filled with working media in the gap between outer tube and inner sleeve the sealing of the gap between outer tube and the inner sleeve.
The non-phase transformation tubulature type of described solar energy heat collector, the madial wall of its described two air inlet-outlet-housings is a tube sheet, have a plurality of through holes on the tube sheet, through hole is the array setting, its aperture and non-phase-change heat transfer external diameter of pipe are suitable, it is affixed that sealing is inserted behind the through hole at non-phase-change heat transfer pipe two ends respectively, and each non-phase-change heat transfer pipe two ends interlinks with the inner chamber of two air inlet-outlet-housings respectively.
It is affixed that the non-phase transformation tubulature type of described solar energy heat collector, its described non-phase-change heat transfer pipe two ends insert behind the through hole sealing respectively, is that the through hole with sleeve pipe two ends periphery wall and tube sheet seals affixed.
The non-phase transformation tubulature type of described solar energy heat collector, the internal diameter of its described outer tube are greater than the external diameter of inner sleeve, and the middle footpath ratio of inside and outside sleeve pipe is 1: 2.0~1: 4.0.
The non-phase transformation tubulature type of described solar energy heat collector, its described working media is the liquid H under the normal temperature and pressure
2O working medium, gaseous state R134a working medium.
The non-phase transformation tubulature type of described solar energy heat collector, its described non-phase-change heat transfer pipe, its surface scribbles coating for selective absorption, fully absorbs the energy that solar energy condenser lens is assembled, and reduces the reflection loss of sunshine.
The non-phase transformation tubulature type of described solar energy heat collector, its described heat-transfer pipe is general heat pipe.
In view of disc type solar energy photo-thermal conversion ratio low, the advantage of the non-phase transformation tubulature type of a kind of solar energy of the utility model heat collector is: the thermal conversion efficiency height, can continue to produce steam, realize that simultaneously this heat collector can work under relatively low temperature, for example heat-transfer pipe tube bank surface temperature is lower than 150 ℃, guarantees that heat seldom is lost in the atmosphere once more through heat radiation.Satisfying under the situation of above-mentioned requirements advantage such as the non-phase transformation tubulature type of this high-efficiency solar heat collector has also simultaneously that volume is little, in light weight, safe and reliable, sturdy and durable, long service life, withstand voltage, environmental protection.
The specific embodiment
The non-phase transformation tubulature type of a kind of solar energy of the utility model heat collector adopts non-phase-change heat transfer Manifold technology, with traditional heat pipe, and in the version arrangement, operation principle, and processing and manufacturing etc. all exists differently, is a kind of novel heat transfer technology fully.
The utility model adopts the many vertical polings of heat-transfer pipe to form non-phase transformation tube bank on upper and lower two tube sheets, be delivered in the fluid working substance in the pipe being radiated solar energy highly effective on the non-phase-change heat transfer pipe, realize that its continuous heat production water or boiling heat absorption produce the steam that continues.Select for use solar selectively absorbing coating to film on the heat-transfer pipe, further reduce the reflection loss of sunshine, reduce heat energy in the solar spectrum simultaneously and be lost in the air, maximally utilise the heat energy that the disc type solar energy condenser obtains with the form of heat radiation.Adopt insulation material, expanded material to constitute the external insulation case simultaneously, non-phase transformation tubulature type heat collector is arranged in the incubator.
The non-phase transformation tubulature type of a kind of solar energy of the utility model heat collector:
A) main part of non-phase transformation tubulature type heat collector is that the non-phase-change heat transfer pipe tube bank that two rows are parallel to each other is formed, and every comb bundle constitutes by the many heat-transfer pipes that are parallel to each other.The upper/lower terminal of non-phase-change heat transfer pipe is fixedlyed connected with upper and lower tube sheet respectively, they are fused, the fixed tube sheet outer end is connected with separately company's case respectively, make them and connect to be one, two even casees draw housing and link to each other with the liquid import and export of system respectively.
B) non-phase-change heat transfer tube bank can be whole vertical arrangement, and also whole oblique at any angle arrangement can impinge upon in the non-phase-change heat transfer pipe tube bank fully as long as guarantee the sunshine caustic surface, and non-phase-change heat transfer pipe collector arrangement gets final product efficient operation.
C) each non-phase-change heat transfer tubular construction is identical, and it is by inside and outside sleeve pipe, lower end cap, on fill end socket, the encapsulation pin is formed.Fill a certain amount of working media in the non-phase-change heat transfer pipe.
D) non-phase-change heat transfer tube-surface is coated selective coating, fully absorbs the energy that solar energy condenser lens is assembled, and reduces the reflection loss of sunshine.
The heat more than 50% that the disc type solar energy solar panel absorbs can be directly changed into the increase of other working medium energy.
On the diameter of internal and external casing is selected, be benchmark to meet the coupling of conducting heat, adopting the middle footpath ratio of inside and outside sleeve pipe usually is 1: 2.0~1: 4.0.As adopt outer tube φ 19 * 3, interior pipe φ 8 * 2.Other ratio can change according to application conditions.
See Fig. 1, be the non-phase transformation tubulature type of a kind of solar energy of the present utility model heat collector, wherein, non-phase-change heat transfer pipe 1, air inlet-outlet-housing 2 is used for the fixed tube sheet 3 that the non-phase-change heat transfer pipe of support fixation is restrained, support side plate 4; The entery and delivery port of import and export header takes over 5.
Two air inlet-outlet-housings, 2 parallel being oppositely arranged.A plurality of non-phase-change heat transfer pipes 1 are parallel to each other and form tabular tube bank, and tabular tube bank is provided with two-layer.
The tube bank two ends that the inboard of two air inlet-outlet-housings 2 is formed with a plurality of non-phase-change heat transfer pipes 1 are connected with the sealing of two air inlet-outlet-housings, 2 madial walls respectively, and the madial wall of two air inlet-outlet-housings 2 is a tube sheet 11, and the structure of tube sheet 11 as shown in Figure 2.Have a plurality of through holes 12 on the tube sheet 11, through hole 12 is that two rows are provided with, its aperture and non-phase-change heat transfer pipe 1 external diameter are suitable, and through hole 12 back seal weldings are inserted at non-phase-change heat transfer pipe 1 two ends respectively, and each non-phase-change heat transfer pipe 1 two ends interlinks with the inner chamber of two air inlet-outlet-housings 2 respectively.
The outside of two air inlet-outlet-housings 2 respectively is connected to one and takes over 5, takes over 5 and is connected to circulation waterway respectively.The transverse ends of two air inlet-outlet-housings 2 is fixedly connected with support side plate 4 respectively each other, and the tube bank that a plurality of non-phase-change heat transfer pipes 1 are parallel to each other and form is positioned at the inboard of two support side plate 4.
The two-layer tabular tube bank that a plurality of non-phase-change heat transfer pipes 1 are formed is positioned on the caustic surface of disc type solar energy mirror concentrator.
See shown in Figure 3ly, be the structural representation of non-phase-change heat transfer pipe in the utility model, wherein, fill end socket 6 on the non-phase-change heat transfer pipe; The outer tube 7 of non-phase-change heat transfer pipe; The inner sleeve 8 of heat-transfer pipe; The lower end cap 9 of non-phase-change heat transfer pipe; Non-phase-change heat transfer pipe fill working media 10.
Each non-phase-change heat transfer pipe 1 is made up of two pipes, an outer tube 7, an inner sleeve 8.The internal diameter of outer tube 7 is greater than the external diameter of inner sleeve 8, and the length of inner sleeve 8 is greater than the length of outer tube 7, and inner sleeve 8 places in the outer tube 7 in a coaxial fashion, stretches out the state setting of outer tube 7 two-port with inner sleeve 8 two ends.Establish respectively at the two ends of each non-phase-change heat transfer pipe 1 and to fill end socket 6 and lower end cap 9, outer tube 7 and inner sleeve 8 is fixing, and, be filled with working media 10 in the gap between outer tube 7 and inner sleeve 8 with the sealing of the gap between outer tube 7 and the inner sleeve 8.Through hole 12 sealings with outer tube 7 two ends periphery walls and tube sheet 11 are affixed.
Working media 10 can be any working medium, as the liquid H under the normal temperature and pressure
2O working medium, gaseous state R134a working medium etc.The filling weight of working media 10 is a benchmark to meet the requirement of conducting heat.
Non-phase-change heat transfer pipe 1 also can substitute with general heat pipe.
Operation principle of the present utility model following (is example with vertical arrangement tube bank):
When the utility model uses, the water supply system of system is with cold water advancing from non-phase transformation tubulature type heat collector, the water inlet of outlet header 2 is taken over 5 and is sent in the casing that is transported to inlet header 2, in casing, fluid working substance evenly spreads to according to the hydrodynamics basic law in the inner sleeve 8 of the non-phase-change heat transfer pipe 1 of each root of non-phase-change heat transfer pipe tube bank, from the inner sleeve 8 of each non-phase-change heat transfer pipe 1, from bottom to top flow, fully absorb in the flow process from non-phase-change heat transfer pipe 1 outer tube, 7 absorptions and through non-phase-change heat transfer plumber and make the heat that medium 10 passes to inner sleeve 8, form hot water or high-temperature water vapor, after hot water or high-temperature water vapor flow out from each non-phase-change heat transfer pipe 1 inner sleeve 8 upper port, after coming together in the housing body of outlet header 2, take over 5 outputs by the upper end delivery port again, deliver to related system, solar energy is absorbed.
Among Fig. 1-Fig. 3, only relevant part illustrative to the utility model, other are as storage tank, the fixed support of non-phase-change heat transfer pipe collector arrangement is as hanger etc., connecting line, and the skin insulation of non-phase transformation tubulature type heat collector etc. is well-known, in this omission.
Main part of the present utility model is the utilization of non-phase-change heat transfer pipe, for the improvement of non-phase-change heat transfer pipe periphery, as: 1. the augmentation of heat transfer mode in the non-phase-change heat transfer inner casing tube, as static turbulent, fin flow-disturbing etc.; 2. the non-phase transformation tubulature type of this high-efficiency solar heat collector is in the application of other high heat transfer temperature difference, gas-liquid heat-transfer, high efficient heat exchanging occasion, as the application of gas-liquid heat exchanging process in the waste heat recovery occasion etc.Such improved form also should be classified as the protection domain of the utility model claims.
It is that the non-phase-change heat transfer pipe tube bank of two rows is arranged that the most rational tube bank is arranged; but in the multi coil bundle is arranged; if the part outside the two comb bundles effectively contact solar optically focused spot passes the heat of coming, such arrangement form also should be classified as the protection domain of the utility model claims.
The utility model is not limited to above-mentioned embodiment; no matter on its material, shape or structure, do any change; every heat exchanger adopts non-phase-change heat transfer tube bank poling to carry out the device of solar thermal utilization in fixed tube sheet, all belongs within the protection domain of the present utility model.