CN202066233U

CN202066233U - Solar heat collection device

Info

Publication number: CN202066233U
Application number: CN2011201403266U
Authority: CN
Inventors: 张江平
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-05
Filing date: 2011-05-05
Publication date: 2011-12-07
Anticipated expiration: 2021-05-05

Abstract

A solar heat collection device includes inner glass plate-fin pipes and a union set box, and is characterized in that the inner glass plate-fin pipes are horizontally placed; through adjusting the state of a heat collecting tube, a water-retaining object is arranged in the union set box or a pipe orifice of the heat collecting tube, so as to enable water to be reserved when water is discharged in the heat collecting tube; and a gas-retaining object is arranged at the upper part of the pipe orifice of the heat collecting tube, so as to enable gas to be reserved when water enters the heat collecting tube. The solar heat collection device has the benefits that the inner glass plate-fin pipes are horizontally placed, and vapor and water two-phase flow heat exchange circulation is realized therein, so that the heat-transfer capability is strong; water reserved in the heat collecting tube can avoid empty-drying in the sun and tube blasting for the reason that cold water suddenly enters the tube; and the inner glass plate-fin pipes can utilize the inner glass tubes and the outer metal layers to directly transfer heat from a heating area to a heat reserve area without the need of using capillary materials for water carrying, thereby avoiding fouling of the capillary materials. The solar heat collection device has a simple structure, no movable part exists in the heat exchange link, and the solar heat collection device is energy-saving and freezing resistant, has high reliability and can output water vapor under big enough pressure and at a temperature higher than 100 DEG C. An embodiment is given in combination with the attached figure.

Description

A kind of solar energy heat collector

Technical field

The utility model relates to a kind of solar energy heat collector.

Background technology

Existing vacuum heat collection pipe heat-collecting temperature height, heat waste is little, industrialization level is high, can provide domestic hot-water more than 50 ℃ in the winter time with the cannula type water heater of its manufacturing.But generally speaking, the application product of vacuum heat collection pipe is abundant not enough flourishing.

Summary of the invention

The purpose of this utility model is that a kind of solar energy heat collector will be provided.

The technical scheme in the invention for solving the technical problem: with interior glass finned plate pipe and with the connection collection box that interior glass finned plate pipe is connected, form a Tai Neibo finned plate pipe solar collector.The inner glass tube of interior glass finned plate pipe has metal wing plate, and its cover glass tube melts envelope in the port necking down and with inner glass tube.The horizontal error at glass finned plate pipe two ends is less than positive and negative 15 millimeters in the order.In most of the cases, the layout of thermal-collecting tube is good more near level more.By adjusting that refuting of connection collection box taken over or the state of thermal-collecting tube, in connection collection box or at the thermal-collecting tube mouth of pipe, being provided with and having water to retain when the dash object makes the thermal-collecting tube water outlet, have gas to retain above when thermal-collecting tube mouth of pipe top is provided with retaining gas object and makes the thermal-collecting tube water inlet.Water in the thermal-collecting tube can be emitted but can not have been put, and can put into but can not all occupy the thermal-collecting tube inner space.Connection collection box can have moisturizing and refute pipe, turnover water barge pipe, excessive tracheae or closed airbag and pressure release device; Can also dispose the Control System of Microcomputer that has magnetic valve, water-temperature water-level sensor.

Can also be at tubular exchanger of the inner embedding of connection collection box, the water in the thermal-collecting tube constantly flashes to steam at the tubular exchanger surface condensation; Perhaps connection collection box is connected with a steam pipe that stretches to the external world, and the water in the thermal-collecting tube constantly flashes to steam and exports by steam pipe.

Can also adopt one dimension reflecting condensation device; The light area area of beam condensing unit is no more than 5 with the ratio that the absorbing film of thermal-collecting tube receives catoptrical area.

Can also make connection collection box axle center tape level inclination install; And in connection collection box, the step dam is set, and the space that each dam of step dam impales is communicated with one or a pair of thermal-collecting tube that is in same horizontal level, and the dash water level of step dam is higher than 0 to 10 millimeter of the retention water level of place thermal-collecting tube.

Can also adopt a hot water storage tank heating load, described hot water storage tank is connected with the tubulose two phase flow heat transfer device cold junction low thermal resistance of a sealing; The position of described cold junction is higher than connection collection box and is communicated with by a steam pipe with connection collection box is inner, and the condensed water in the described cold junction can reflux and enter connection collection box inside; A breather pipe that is communicated with a balloon type closed airbag is contained at the top of described cold junction.

The beneficial effects of the utility model: the horizontally disposed and carbonated drink of the portion's realization within it two-phase coexistent of glass finned plate pipe in the order, can give full play to the little advantage of vacuum heat collection pipe heat waste, make the interior temperature of thermal-collecting tube reach 70 to 100 ℃, and utilize the steam partial pressure of this temperature range to realize two phase flow heat transfer circulation efficiently.Two phase flow heat transfer has good heat transfer ability, isothermal and heat flow density ability to transform.At the inner water of retaining of thermal-collecting tube, can prevent empty the solarization and the cold water bombing of advancing by leaps and bounds.Little and its outer wrap metallic plate of interior glass finned plate pipe inner glass tube diameter, the metal level that can utilize inner glass tube and outside thereof directly conduct heat and without the capillary materials water lift, have avoided the capillary materials scale problems to the water zone from heat affected zone.The utility model is simple in structure, heat exchange link no-movable part, energy-conservation, reliability is high, freeze proof, be fit to fabricator and use the integral type solar water heater.When making the wall hanging solar energy water heater, can also connect heat collector and water tank with flexible pipe, easy for installation, saving.Adopt the one dimension beam condensing unit to be connected the optically focused two phase flow steam heat collection apparatus made from thermal-collecting tube optically focused, can export 100 ℃ with the enough big steam of upward pressure, can reduce the ratio of on-condensible gas in the two phase flow heat transfer space significantly, improve thermal-arrest and heat transfer efficiency greatly, can further expand the purposes of vacuum heat collection pipe and heat collector thereof.The condensing evacuated heat collector of one dimension of low multiple, tracking in manual month once also can be satisfied required precision.Also can use the reflecting condensation plate of exempting to follow the tracks of.

In connection collection box the step dam is set, the convenient collection at connection carried out moisturizing when box axle center tape level inclination is installed.

In connection collection box, the heat exchange device is set, to load heat exchange device heats, can realizes isolation and bearing operation with load with steam in the thermal-collecting tube.Cannula type heat collecting module ratio with water in the pipe, cost is suitable, but carrying load ability is superpower, winter, but high efficiency provided heat energy more than 45 ℃, and the reliability height, good frost resistance, especially going out the hot water time can shift to an earlier date nearly 3 hours, it gets heat and significantly improves, and makes the occasion fine days such as office kindergarten that only need the heating on daytime not need the supplementary energy heating, and cost performance can improve 1 to 3 times.With the heat collecting module ratio that adopts heat pipe or metal flow passage, cost is low, flow passage resistance force of waterproof is little, reliability and collecting efficiency are higher, and the bulking property price ratio can improve 1 to 2 times.Adopt closed airbag when preventing water evaporates, to reduce the on-condensible gas dividing potential drop, help to improve two phase flow heat transfer efficient.Adopt robot control system(RCS) can realize the function of various complexity, increase substantially the performance of heat collector, and can with the production technology seamless connection.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a two phase flow heat transfer solar collector structural representation in the Tai Neibo finned plate pipe.

Fig. 2 is that the connection collection box cross section of Fig. 1 heat collector is analysed and observe.

1. thermal-collecting tubes among the figure; 2. connection collects box; 3. refute pipe; 4,5. group valve; 6. dam; 7,8. link rod; 9. overfall; 10. sensor; 11. steam channel; 12. control valve; 13. second level distiller; 14. third level distiller; 15. preheating device.

The specific embodiment

Fig. 1 and Fig. 2 provide an embodiment of the present utility model jointly.Among Fig. 1 and Fig. 2, thermal-collecting tube 1 is connected with the pipe 3 usefulness sealing rings of refuting of connection collection box 2 both sides, forms a horizontal vacuum thermal-collecting tube solar energy producing steam device.Thermal-collecting tube 1 is horizontally disposed; Connection collection box 2 has case and heat-insulating material, and its axle center tape level inclination is followed the tracks of sun altitude and changed to guarantee the optically focused reflection unit.For for purpose of brevity, the optically focused reflection unit does not draw among the figure.Adopt the high hyte valve 4 of electronic group of valve and the low hyte valve 5 of two multi-valve linkages.Each valve of electronic group of

valve

4,5 is installed in respectively on each dam 6 of many water levels step dam, and respectively can synchronous opening/closing by

link rod

7,8 connections that are connected with magnetic valve driving mechanism.Described magnetic valve driving mechanism and Control System of Microcomputer are electrically connected.Also be provided with overfall 9 on the step dam 6.Water-temperature water-level sensor 10 in the connection collection box 2 is electrically connected with the Control System of Microcomputer main frame.

To go up earlier water before Fig. 1 and Fig. 2 embodiment work.During last water, Control System of Microcomputer is closed low hyte valve 5, is opened high hyte valve 4 by electric driving mechanism, inserts former water from connection collection box 2 is high-end by pipeline valve.Water levels in higher level's dam 6 of connection collection box water level more than 2 step dam rise gradually, and water level can flow into the space that next stage dam 6 impales and in the thermal-collecting tube 1 that is communicated with it, go up water so from top to bottom step by step when reaching its high hyte valve of opening 4 height.Reach when setting low water level when the level sensor 10 that is installed in final stage dam 6 places detects the water inlet of its space, place, turn-off high hyte valve 4.At this moment, the water level of higher level's dam 6 the insides raises gradually until the overfall 9 that covers place dam 6, flows into the space that next stage dam 6 impales and in the thermal-collecting tube 1 that is communicated with it, so from top to bottom raising of water level step by step.Reach when setting high water level when level sensor 10 detects into water, turn-off water inlet, last water process end.

The vacuum heat collection pipe of configuration beam condensing unit even intensity of solar radiation has only under 500 watts of/square metre conditions in the winter time, also can stably be used 2 atmospheric steam of salt water generates of salt content 19%.Be serially connected with jet chimney 11 and the control valve 12 that Control System of Microcomputer is electrically connected by control, can regulate the steam output pressure of solar energy producing steam device.Solar energy distillation device can adopt multi-mode working: adopt economic benefits and social benefits or single effect distillation pattern when the sun is weak; Adopt triple effect distillation pattern when the sun is strong.Triple effect distillation pattern can be such: sunshine makes the water in the thermal-collecting tube 1 be subjected to thermal evaporation.The steam that produces in thermal-collecting tube 1 enters second level distiller 13 by jet chimney 11 under differential pressure action.About 100 ℃ of steam that second level distiller 13 produces enter third level distiller 14.Third level distiller 14 adopts low-pressure distillation, and about 75 to the 85 ℃ of steam that produced enter former water pre-heater apparatus 15 interior pre-pyrogen water and make other purposes.Former water adopts vavuum pump vacuum degassing in preheating.

Control System of Microcomputer is extrapolated the enrichment of thermal-collecting tube 1 maritime interior waters and the storage of thermal-collecting tube 1 interior concentrate, and is carried out going up once more water in good time according to the output of solar energy producing steam device distilled water.To night, open low hyte valve 5 concentrate in the thermal-collecting tube 1 is accepted.

Claims

1. a solar energy heat collector is formed by interior glass finned plate pipe with the connection collection box that interior glass finned plate pipe is connected, and connection collection box can have moisturizing and refute pipe, turnover water barge pipe, excessive tracheae or closed airbag and pressure release device; Can also dispose the Control System of Microcomputer that has magnetic valve, water-temperature water-level sensor, the horizontal error at glass finned plate pipe two ends is less than positive and negative 15 millimeters in it is characterized in that; By adjusting that refuting of connection collection box taken over or the state of thermal-collecting tube, in connection collection box or at the thermal-collecting tube mouth of pipe, being provided with and having water to retain when the dash object makes the thermal-collecting tube water outlet, have gas to retain above when thermal-collecting tube mouth of pipe top is provided with retaining gas object and makes the thermal-collecting tube water inlet.

2. according to the described heat collector of claim 1, it is characterized in that tubular exchanger of the inner embedding of connection collection box, the water in the thermal-collecting tube constantly flashes to steam at the tubular exchanger surface condensation; Perhaps connection collection box is connected with a steam pipe that stretches to the external world, and the water in the thermal-collecting tube constantly flashes to steam and exports by steam pipe.

3. according to claim 1 or 2 described heat collectors, it is characterized in that containing one dimension reflecting condensation device; The light area area of beam condensing unit is no more than 5 with the ratio that the absorbing film of thermal-collecting tube receives catoptrical area.

4. according to claim 1 or 2 described heat collectors, it is characterized in that the axle center tape level inclination installation of connection collection box; Connection collection box contains the step dam, and the space that each dam of step dam impales is communicated with one or a pair of thermal-collecting tube that is in same horizontal level, and the dash water level of step dam is higher than 0 to 10 millimeter of the retention water level of place thermal-collecting tube.

5. according to claim 1 or 2 described heat collectors, it is characterized in that containing a hot water storage tank heating load, described hot water storage tank is connected with the tubulose two phase flow heat transfer device cold junction low thermal resistance of a sealing; The position of described cold junction is higher than connection collection box and is communicated with by a steam pipe with connection collection box is inner, and the condensed water in the described cold junction can reflux and enter connection collection box inside; A breather pipe that is communicated with a balloon type closed airbag is contained at the top of described cold junction.