CN2937937Y

CN2937937Y - Vapour-liquid circulation solar heat collector

Info

Publication number: CN2937937Y
Application number: CNU2006200214497U
Authority: CN
Inventors: 唐少章; 唐墨
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-13
Filing date: 2006-08-13
Publication date: 2007-08-22
Anticipated expiration: 2016-08-13

Abstract

Disclosed is a vapor-liquid circumfluent solar energy heat collector, which is composed of a core plate (1), an absorber plate (2), an imbibition net (3), an upper frame (4), a lower frame (5), a left frame (6), a right frame (7), a bus tube (8), a collector tube (9), operating fluid (10), a backboard (11) and a transparent cover (12). The upper frame (4), the lower frame (5), the left frame (6) and the right frame (7) are respectively fixed at the upper side, the lower side, the left side and the right side of the core plate (1) and the absorber plate (2). The backboard (11) and the transparent cover (12) are respectively fixed at the back part and the front part of the upper frame (4), the lower frame (5), the left frame (6) and the right frame (7); the upper end and the lower end of the bus tube (8) are respectively fixed on the upper frame (4) and the lower frame (5); the collector tube (9) passes through the bus tube (8), and the upper end and the lower end of the collector tube are respectively fixed on the upper frame (4) and the lower frame (5); the operating fluid (10) is filled in a liquid channel (51) of the lower frame (5). The utility model has advantages of high heat integration and heat transfer efficiency, simple structure and low cost.

Description

Steam/liquid circulating type solar energy heat collector

Technical field

The utility model relates to solar thermal collector.

Background technology

Existing solar thermal collector is divided into vacuum tube type, plate and heat-tube vacuum cast, absorption of fluids solar energy in vacuum tube type and the flat-plate solar heat collector, and the specific gravity after the heat absorption changes and circulation voluntarily, and its collecting efficiency is lower; Hydraulic fluid heat absorption evaporation in its heat pipe of heat-tube vacuum cast solar heat collector rises to the top condensation segment, and condensed hydraulic fluid refluxes downwards along tube wall, and steam that rises in same pipe and the mutual reverse flow of the liquid of backflow reduce its heat transfer efficiency; Also there is the high shortcoming of complex structure cost in above-mentioned in addition solar thermal collector, has restricted it and has popularized widely and use.

Summary of the invention

The purpose of this utility model provides a kind of thermal-arrest and heat transfer efficiency height, steam/liquid circulating type solar energy heat collector that cost simple in structure is low.

Technical solution of the present utility model is: it is made of central layer, absorber plate, imbibition net, upper ledge, lower frame, left frame, right frame, collecting pipe, thermal-collecting tube, hydraulic fluid, backboard and transparent cover plate, central layer is that the front vertically is evenly equipped with the elliptic cross-section groove, the back side vertically is provided with the plate body of brace rod, absorber plate sticks on the front of central layer, form evaporation cavity between central layer and the absorber plate, the imbibition net is close on the evaporation cavity inwall, is through with passage on central layer and the absorber plate; Upper ledge is provided with steam channel in it, and the two ends of steam channel are provided with the stifled square tube body of plug, and the steam channel bottom is provided with the steam hand-hole, steam portals, and vertically is through with the thermal-collecting tube through hole on the upper ledge, and thermal-collecting tube through hole bottom offers the collecting pipe counterbore with one heart; Lower frame is provided with fluid passage in it, and the two ends of fluid passage are provided with the stifled square tube body of plug, and the fluid passage bottom is provided with the liquid hand-hole, liquid portals, and vertically is through with the thermal-collecting tube through hole on the lower frame, and thermal-collecting tube through hole top offers the collecting pipe counterbore with one heart; Left side frame and right frame are respectively the long slab body; Upper ledge, lower frame, left frame, right frame are separately fixed on top, bottom, the left side and the right of central layer and absorber plate, and the upper end of central layer and absorber plate evaporation cavity communicates with the steam hand-hole of upper ledge, portal with the liquid of lower frame and communicate in the lower end of evaporation cavity; Backboard and transparent cover plate are separately fixed at the rear portion and the front portion of upper ledge, lower frame, left frame and right frame; Collecting pipe is between central layer and backboard, and it up and down is separately fixed at the collecting pipe counterbore of upper ledge and lower frame and last in two ends; Thermal-collecting tube is by passing in the collecting pipe, and it is separately fixed at the thermal-collecting tube through hole of upper ledge and lower frame and last in two ends up and down; Hydraulic fluid is filled in fluid passage interior and the evaporation cavity bottom and the collecting pipe bottom of lower frame; Also be provided with bracing frame between absorber plate and the transparent cover plate.

Technique effect of the present utility model is: it has thermal-arrest and heat transfer efficiency height, advantage that cost simple in structure is low.

Description of drawings

Fig. 1 partly cuts open structure chart for the utility model embodiment front;

Fig. 2 is that the utility model embodiment Figure 1A-A is to cutaway view;

Fig. 3 is that the utility model embodiment Fig. 2 B-B is to cutaway view;

Fig. 4 is that the utility model embodiment Fig. 2 C-C is to cutaway view.

The specific embodiment

As shown in the figure, it is made of central layer 1, absorber plate 2, imbibition net 3, upper ledge 4, lower frame 5, left frame 6, right frame 7, collecting pipe 8, thermal-collecting tube 9, hydraulic fluid 10, backboard 11 and transparent cover plate 12, central layer 1 vertically is evenly equipped with elliptic cross-section groove 13 for the front, the back side vertically is provided with the plate body of brace rod 14, absorber plate 2 sticks on the front of central layer 1, form evaporation cavity 15 between central layer 1 and the absorber plate 2, imbibition net 3 is close on evaporation cavity 15 inwalls, is through with passage 16 on central layer 1 and the absorber plate 2; Upper ledge 4 is provided with steam channel 41 in it, the two ends of steam channel 41 are provided with the square tube body of plug stifled 42, steam channel 41 bottoms are provided with steam hand-hole 43, steam portals 44, vertically are through with thermal-collecting tube through hole 45 on the upper ledge 4, and thermal-collecting tube through hole 45 bottoms offer collecting pipe counterbore 46 with one heart; Lower frame 5 is provided with fluid passage 51 in it, the two ends of fluid passage 51 are provided with the square tube body of plug stifled 52, fluid passage 51 bottoms are provided with liquid hand-hole 53, liquid portals 54, vertically are through with thermal-collecting tube through hole 55 on the lower frame 5, and thermal-collecting tube through hole 55 tops offer collecting pipe counterbore 56 with one heart; Left side frame 6 and right frame 7 are respectively the long slab body; Upper ledge 4, lower frame 5, left frame 6, right frame 7 are separately fixed on top, bottom, the left side and the right of central layer 1 and absorber plate 2, the upper end of central layer 1 and absorber plate 2 evaporation cavities 15 communicates with the steam hand-hole 43 of upper ledge 4, and the lower end of evaporation cavity 15 and the liquid of lower frame 5 portal and 54 communicates; Backboard 11 and transparent cover plate 12 are separately fixed at the rear portion and the front portion of upper ledge 4, lower frame 5, left frame 6 and right frame 7; Collecting pipe 8 is between central layer 1 and backboard 11, and it is separately fixed on the collecting pipe counterbore 46 and 56 of upper ledge 4 and lower frame 5 at two ends up and down; Thermal-collecting tube 9 is by passing in the collecting pipe 8, and it is separately fixed on the thermal-collecting tube through

hole

45 and 55 of upper ledge 4 and lower frame 5 at two ends up and down; Hydraulic fluid 10 is filled in fluid passage 51 interior and evaporation cavity 15 bottoms and collecting pipe 8 bottoms of lower frame 5; Also be provided with bracing frame 20 between absorber plate 2 and the transparent cover plate 12.

Evaporation cavity 15 bottoms are provided with steam bubble arrester 17.Lower frame 5 is provided with reservoir 18 between central layer 1 and the backboard 10, and reservoir 18 communicates with fluid passage 51, and reservoir 18 is provided with heater 19.Evaporation cavity about in the of 15 two ends respectively the liquid of the steam hand-hole 43 by communicating pipe 21 and steam channel 41 and fluid passage 51 portal and 54 be connected.Left side frame 6 is provided with exhaust tube 22.Plug stifled 42 is provided with the liquid injection pipe 33 of bleeding.Be respectively equipped with connecting thread on the thermal-collecting tube through

hole

45 and 55 of upper ledge 4 and lower frame 5.

The operation principle of present embodiment is: will constitute closed cavity by upper ledge 4, lower frame 5, left frame 6, right frame 7, backboard 11 and transparent cover plate 12 by exhaust tube 21 and be evacuated, then with exhaust tube 21 ferrules.Be evacuated in the airtight cavity that will constitute by steam channel 41, fluid passage 51, evaporation cavity 15, collecting pipe 8, reservoir 18 by the liquid injection pipe 33 of bleeding and be negative pressure state, by the liquid injection pipe 33 of bleeding hydraulic fluid 10 is injected in the cavity liquid injection pipe 33 ferrules of will bleeding then.Sunshine sees through transparent cover plate 12 and is radiated on the absorber plate 2, absorber plate 2 temperature raise, hydraulic fluid 10 heat absorptions on the evaporation cavity 15 imbibition nets 3 are evaporated to steam, steam was entered in the steam channel 41 by steam hand-hole 43 through communicating pipe 20, steam portals through steam and 44 enters in the collecting pipe 8, thermal-collecting tube 9 absorbs the heat that steam carries in the collecting pipe 8, fluid in the thermal-collecting tube 9 is taken heat out of, become liquid after the steam heat release condensation, downwards in liquid hand-hole 53 enters into lower frame 5 fluid passages 51, liquid enters evaporation cavity 15 through communicating pipe 20 and steam bubble arrester 17 to liquid along the outer wall of thermal-collecting tube 9 pipes.Above process hydraulic fluid 10 absorbs heat in evaporation cavity 15 and is evaporated to the gas rising, and heat release is condensed into liquid decline backflow in collecting pipe 8, finishes steam/liquid circulating thermal-arrest process.

Claims

1, steam/liquid circulating type solar energy heat collector, it is characterized in that: it is by central layer (1), absorber plate (2), imbibition net (3), upper ledge (4), lower frame (5), left side frame (6), right frame (7), collecting pipe (8), thermal-collecting tube (9), hydraulic fluid (10), backboard (11) and transparent cover plate (12) constitute, central layer (1) vertically is evenly equipped with elliptic cross-section groove (13) for the front, the back side vertically is provided with the plate body of brace rod (14), absorber plate (2) sticks on the front of central layer (1), form evaporation cavity (15) between central layer (1) and the absorber plate (2), imbibition net (3) is close on evaporation cavity (15) inwall, is through with passage (16) on central layer (1) and the absorber plate (2); Upper ledge (4) is provided with steam channel (41) in it, the two ends of steam channel (41) are provided with the square tube body of plug stifled (42), steam channel (41) bottom is provided with steam hand-hole (43), steam portal (44), vertically be through with thermal-collecting tube through hole (45) on the upper ledge (4), thermal-collecting tube through hole (45) bottom offers collecting pipe counterbore (46) with one heart; Lower frame (5) is provided with fluid passage (51) in it, the two ends of fluid passage (51) are provided with the square tube body of plug stifled (52), fluid passage (51) bottom is provided with liquid hand-hole (53), liquid portal (54), vertically be through with thermal-collecting tube through hole (55) on the lower frame (5), thermal-collecting tube through hole (55) top offers collecting pipe counterbore (56) with one heart; Left side frame (6) and right frame (7) are respectively the long slab body; Upper ledge (4), lower frame (5), left frame (6), right frame (7) are separately fixed on top, bottom, the left side and the right of central layer (1) and absorber plate (2), the upper end of central layer (1) and absorber plate (2) evaporation cavity (15) communicates with the steam hand-hole (43) of upper ledge (4), the lower end of evaporation cavity (15) and the liquid of lower frame (5) portal (54) communicate; Backboard (11) and transparent cover plate (12) are separately fixed at the rear portion and the front portion of upper ledge (4), lower frame (5), left frame (6) and right frame (7); Collecting pipe (8) is positioned between central layer (1) and the backboard (11), and it is separately fixed on the collecting pipe counterbore (46) and (56) of upper ledge (4) and lower frame (5) at two ends up and down; Thermal-collecting tube (9) is by passing in the collecting pipe (8), and it is separately fixed on the thermal-collecting tube through hole (45) and (55) of upper ledge (4) and lower frame (5) at two ends up and down; Hydraulic fluid (10) is filled in fluid passage (51) interior and evaporation cavity (15) bottom and collecting pipe (8) bottom of lower frame (5); Also be provided with bracing frame (20) between absorber plate (2) and the transparent cover plate (12).

2, steam/liquid circulating type solar energy heat collector as claimed in claim 1 is characterized in that described evaporation cavity (15) bottom is provided with steam bubble arrester (17).

3, steam/liquid circulating type solar energy heat collector as claimed in claim 1, it is characterized in that lower frame (5) is provided with reservoir (18) between described central layer (1) and the backboard (10), reservoir (18) communicates with fluid passage (51), and reservoir (18) is provided with heater (19).

4, steam/liquid circulating type solar energy heat collector as claimed in claim 1, it is characterized in that described evaporation cavity (15) up and down two ends respectively the liquid of the steam hand-hole (43) by communicating pipe (21) and steam channel (41) and fluid passage (51) portal (54) be connected.

5, steam/liquid circulating type solar energy heat collector as claimed in claim 1 is characterized in that described left frame (6) is provided with exhaust tube (22).

6, steam/liquid circulating type solar energy heat collector as claimed in claim 1 is characterized in that described plug stifled (42) is provided with the liquid injection pipe of bleeding (33).

7, steam/liquid circulating type solar energy heat collector as claimed in claim 1 is characterized in that being respectively equipped with connecting thread on the thermal-collecting tube through hole (45) of described upper ledge (4) and lower frame (5) and (55).