CN111043773A

CN111043773A - Tubular phase-change solar water heater

Info

Publication number: CN111043773A
Application number: CN201911135675.6A
Authority: CN
Inventors: 张传东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-04-21

Abstract

The invention discloses a tubular phase-change solar water heater, comprising: the heat absorption plate frame is connected to the lower portion of the storage box shell, a glass heat absorption pipe is erected in the heat absorption plate frame through a support, and a heat conduction pipeline is arranged in the glass heat absorption pipe; an inner material box is arranged in the material storage box shell, and a gap between the inner material box and the material storage box shell is filled with a heat insulation material; the heat conducting pipeline is a circulating pipe and penetrates through an inner material box in the material storage box shell; still include the supply channel, supply channel import and export are all established on storage case shell, and the workbin in the middle section is passed, the access connection cold water, exit linkage domestic water. Interior workbin absorbs solar heat daytime, gets up heat storage, when needs use hot water, cold water heaies up through interior workbin, goes out hot water, is applicable to the rainy day after the high temperature, and interior workbin heaies up the back, receives the lower environmental impact of outside rainy day temperature little, and calorific loss is slow, and overcast and rainy weather still can be for the supply line heating.

Description

Tubular phase-change solar water heater

Technical Field

The invention relates to the technical field of solar water heaters, in particular to a tubular phase-change solar water heater.

Background

Solar energy is used as a clean and pollution-free energy source and is widely used at present, and a solar water heater is used as a main device for solar energy photo-thermal utilization, so that the efficiency of the solar water heater is very important to improve.

The traditional split solar water heater stores hot water in a water collecting tank, the water tank of the traditional split solar water heater can generate a large amount of bacteria in a dead water state for a long time, and great potential safety hazards are caused to the health of people.

Disclosure of Invention

Aiming at the defects, the solar water heater is further improved, and a tubular phase-change solar water heater is provided.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

tubular phase change solar water heater includes:

the lower part of the storage box shell is connected with a heat absorption plate frame, a glass heat absorption pipe is erected in the heat absorption plate frame through a support, and a heat conduction pipeline is arranged in the glass heat absorption pipe;

an inner material box is arranged in the material storage box shell, and a gap between the inner material box and the material storage box shell is filled with a heat insulation material;

the heat conduction pipeline is a circulating pipe and penetrates through an inner material box in the material storage box shell;

still include the supply channel, supply channel import and export are all established on storage case shell, and the workbin in the middle section is passed, the access connection cold water, exit linkage domestic water.

The further technology of the invention is as follows:

preferably, the terminal surface both sides are equipped with the cylinder under the storage case shell, and the terminal surface is equipped with the joint picture peg under the storage case shell between the cylinder of both sides, absorber plate frame up end both sides be equipped with cylinder complex interface, absorber plate frame up end between the interface of both sides be equipped with joint picture peg complex joint slot.

Preferably, one side of the absorber plate frame is provided with a glass panel, the other side of the absorber plate frame is provided with a back plate, and the heat conducting pipeline is arranged between the glass panel and the back plate.

The glass slot is arranged on the front side of the inner wall of the heat absorption plate frame, the back plate baffle is arranged on the back side of the inner wall of the heat absorption plate frame, the heat absorption plate frame is formed by combining four side frame bodies, the glass panel is inserted into the glass slot before combination, the four side frame bodies are connected through bolts, and the back plate is attached to the back plate baffle through glue.

Preferably, the heat conducting pipeline is vertically coiled in the heat absorbing plate frame, and is transversely coiled after penetrating into the inner material box.

Preferably, the heat conducting pipeline is positioned in the lower space of the inner material box, and the water supply pipeline is positioned in the upper space of the inner material box.

Meanwhile, in the inner material box, the water supply pipeline is consistent with the heat conducting pipeline and is in a transverse spiral mode.

Preferably, an electromagnetic valve is arranged before the heat conducting pipeline enters the inner material box.

Preferably, the heat conducting pipeline and the water supply pipeline are both metal pipes, the straight line section is a straight pipe, and the bent section is a corrugated pipe.

Preferably, the inner material box is divided into a box body and a cover body, the cover body is connected with the box body through a body bolt, and a sealing ring is arranged between the cover body and the box body.

Preferably, be equipped with heat-conducting medium storage case on the heat conduction pipeline in the interior workbin, heat-conducting medium storage case upper end is equipped with blast pipe and medium storage and imports and exports, the blast pipe upwards passes interior workbin apron, extends to the heat absorption plate frame in through the pipe of bending, the medium storage is imported and exported and is extended interior workbin apron equally.

The heat conduction pipeline and the heat conduction material in the heat conduction medium storage tank are preferably oil.

Preferably, a three-way valve is additionally arranged on the heat conduction pipeline between the inner material box and the material storage box shell, a valve is arranged on the three-way valve, and a pressure reducing valve is arranged on the valve.

The invention has the beneficial effects that:

the storage water tank has been cancelled, the existence of stagnant water does not exist, simultaneously, change the storage water tank into the workbin, the workbin internal storage has phase change material, this phase change solar water heater utilizes phase change material, absorb solar energy daytime and melt, get up the heat storage, when needs use hot water, cold water heaies up through interior workbin, goes out hot water, is applicable to the rainy day after the high temperature, interior workbin intensifies the back, receives the lower environmental impact of outside rainy day temperature little, calorific loss is slow, overcast and rainy weather still can be for the supply channel heating.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a schematic view of a tubular phase change solar water heater;

FIG. 2 is a schematic view of the bottom of the storage bin housing;

FIG. 3 is a schematic top view of a heat absorber plate frame;

FIG. 4 is a schematic view of the positions of the glass faceplate and the backplate;

FIG. 5 is a schematic view of the direction of the heat-conducting pipeline inside the inner material box;

FIG. 6 is a schematic view of the water supply line running inside the internal feed box;

FIG. 7 is a schematic view of another embodiment of the present invention;

FIG. 8 is a schematic view of another orientation of the heat-conducting pipeline inside the inner material box;

FIG. 9 is a schematic view of another alternative magazine housing configuration;

FIG. 10 is a schematic view of a third magazine housing configuration;

the reference numbers in the figures illustrate: 1. a storage case housing; 2. a heat absorber plate frame; 3. a heat conducting pipeline; 4. an inner material box; 5. a water supply line; 6. a sponge; 7. a cylinder; 8. clamping a plug board; 9. an interface; 10. clamping the slot; 11. a glass heat absorption tube; 16. a glass panel; 17. a back plate; 18. a glass slot; 19. a back plate baffle; 20. an electromagnetic valve; 21. a pressure reducing valve; 41. a box body; 42. a cover body; 23. an exhaust pipe; 24. a heat-conducting medium inlet and outlet; 22. an oil discharge valve; 25. a heat-conducting medium storage box; 26. a tee joint; 27. and (4) a valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the tube type phase change solar water heater includes:

the material storage box comprises a material storage box shell 1, wherein a heat absorption plate frame 2 is connected to the lower portion of the material storage box shell 1, a glass heat absorption pipe 11 is erected in the heat absorption plate frame 2 through a support, and a heat conduction pipeline 3 is arranged in the glass heat absorption pipe;

an inner material box 4 is arranged in the material storage box shell 1, and a gap between the inner material box 4 and the material storage box shell is filled with a heat insulation material;

the heat conduction pipeline 3 is a circulating pipe and penetrates through an inner material box 4 in the material storage box shell 1;

still include water supply pipe 5, water supply pipe 5 import and export are all established on storage case shell 1, and workbin 4 in the middle section is passed, the access connection cold water, exit linkage domestic water.

Light shines on heat conduction pipeline 3, the medium in the heat conduction pipeline 3 is heated, the hot medium rises, because the storage case is located 2 tops of absorber plate frame, hot water rises to interior workbin 4 of storage incasement portion, the heat transfer is to interior workbin, with interior workbin medium intensification, the back is heaied up to the medium, the heat transfer gives supply channel 5, heat domestic water, the temperature of workbin 4 in insulation material can the at utmost keep, interior workbin 4 intensifies the back, it is little influenced by the outside temperature, overcast and rainy weather still can be for supply channel 5 heating.

The medium in the inner material box is phase-change material.

The heat-insulating material is sponge 6.

As shown in fig. 2 and 3, the cylinders 7 are arranged on two sides of the lower end surface of the storage box shell 1, the clamping insertion plate 8 is arranged on the lower end surface of the storage box shell 1 between the cylinders 7 on two sides, the interfaces 9 matched with the cylinders 7 are arranged on two sides of the upper end surface of the heat absorption plate frame 2, and the clamping insertion slot 10 matched with the clamping insertion plate 8 is arranged on the upper end surface of the heat absorption plate frame 2 between the interfaces 9 on two sides.

As shown in fig. 4, the absorber plate frame 2 is provided with a glass panel 16 on one side and a back plate 17 on the other side, and the heat conducting pipeline 3 is arranged between the glass panel 16 and the back plate 17.

The glass panel 16 and the back plate 17 protect the heat conducting pipeline 3 on one hand, and wrap the heat conducting pipeline 3 in the glass panel and the back plate, so that the internal heat is large, the loss is small, and the temperature of the heat conducting pipeline 3 can be rapidly increased.

The back plate 17 is a reflecting plate, diamond-shaped strips are arranged on the surface of the back plate 17 and used for reflecting light rays irradiated on the back plate 17 and heating the back surface of the heat conduction pipeline 3, and in order to reduce heat loss, the back surface of the back plate 17 is coated with a heat insulation material.

The front side of the inner wall of the heat absorption plate frame 2 is provided with a glass slot 18, the rear side is provided with a back plate baffle plate 19, the heat absorption plate frame 2 is formed by combining four side frame bodies, before combination, a glass panel 16 is inserted into the glass slot 18, the four side frame bodies are connected through bolts, and the back plate is adhered to the back plate baffle plate 19 through glue.

As shown in fig. 5 and 6, the heat conducting pipeline 3 is vertically coiled in the absorber plate frame 2, and is transversely coiled after penetrating into the inner material box 4.

The heat conducting pipeline 3 is positioned in the lower space of the inner material box 4, and the water supply pipeline 5 is positioned in the upper space of the inner material box 4.

The density difference has been utilized, and the heat conduction pipeline and the supply channel of position relation about the overall arrangement, including the workbin in medium be heated the back, the medium that is heated rises, and colder partial medium descends, like this, the upper space is than the hot fast of lower floor's space in the interior workbin, and the temperature is high, and more efficient is for supplying water and heating, simultaneously, the interior workbin lower floor of heat conduction pipeline contact, and medium temperature is at the bottom of the upper floor, and also more efficient is the medium heating in the workbin like this.

Meanwhile, in the inner material box 4, the water supply pipeline 5 is consistent with the heat conducting pipeline 3 and is in a transverse spiral mode.

But the extension heating of the at utmost of formula of spiraling, heat conduction length are located the heat-absorbing plate frame 2 more heat absorption of heat conduction pipeline 3, and the heat conduction medium is given to the heat conduction pipeline 3 longer time's of interior workbin 4 conduction heat, for heat conduction medium intensification fast, and supply channel 5 heated area increases, and the water outlet heat gauge height of water in the supply channel 5.

An electromagnetic valve 20 is arranged before the heat conducting pipeline 3 enters the inner material box 4. In rainy days, the temperature is collected in the material box 4 in the earlier stage, and under the action of the heat insulation material, the temperature is kept higher than the temperature in the heat absorption plate frame 2 without heat insulation, at the moment, the electromagnetic valve 20 is closed, the circulation of the heat conduction pipeline 3 is avoided, and the temperature loss in the material box 4 is reduced.

Meanwhile, the electromagnetic valve 20 is a nonmetal electromagnetic valve 20, so that heat conduction is reduced, heat loss is reduced, and a pressure reducing valve 21 is arranged at an outlet of the water supply pipeline 5.

The heat conducting pipeline 3 and the water supply pipeline 5 are both metal pipes, straight pipes are adopted in straight line sections, and corrugated pipes are adopted in bent sections. The metal pipe is heated fast, the conduction temperature is also fast, the straight pipe inner wall is smooth, the incrustation scale is difficult to be formed, the heating area of the bent pipe is large, and the bent pipe is suitable for the bending section.

The inner material box 4 is divided into a box body 41 and a cover body 42, the cover body is connected with the box body through a body bolt, and a sealing ring is arranged between the cover body and the box body.

In order to avoid heat transfer, all the pipes connected with the storage box from the outside must be in transition connection by using non-metal pipes.

In order to avoid heat dissipation, heat conducting pipelines 3 in all the heat absorbing plate frames 2 need to be strictly insulated.

All contact with the heat conducting pipe 3 must be made with rubber, or soft shock-resistant material, to avoid damage.

The heat conduction pipeline 3 is additionally provided with an oil discharge valve 22 for replacing oil in the heat conduction pipeline 3, and meanwhile, the inner wall of the heat conduction pipeline 3 can be washed.

In the cold and hot water exchange process, the flow pipelines are increased and decreased according to the requirements.

The heat conduction pipeline in the inner material box is provided with a heat conduction medium storage box 25, the upper end of the heat conduction medium storage box is provided with an exhaust pipe 23 and a medium storage inlet and outlet 24, the exhaust pipe upwards penetrates through the inner material box cover plate and extends into the heat absorption plate frame through a bending pipe, and the medium storage inlet and outlet also extend out of the inner material box cover plate.

The heat-conducting medium storage box can be used for automatically filling a small amount of loss of a medium in a heat-conducting pipeline, the heat-conducting pipeline is guaranteed to be filled with the medium, the heat-conducting medium is made of oil, an exhaust pipe is additionally arranged for guaranteeing the pressure of the pipeline, the highest position of the exhaust pipe is higher than the heat-conducting medium storage box, the lowest end of the exhaust pipe is lower than the heat-conducting medium storage box, the heat-conducting medium cannot be discharged from the exhaust pipe by utilizing the principle of a U-shaped pipe, meanwhile, in the exhaust process of the exhaust pipe, heat dissipation is slow.

The heat-conducting medium storage box can be in shapes with different specifications.

According to another embodiment of the present invention, as shown in fig. 7, a three-way valve 26 is additionally disposed on the heat conducting pipeline between the inner material tank and the material storage tank, and a valve 27 is disposed on the three-way valve and a pressure reducing valve is disposed on the valve.

The three-way valve replaces the heat-conducting medium storage box, the pressure reducing valve ensures that the pressure in the heat-conducting pipeline can safely operate within a range, and the valve is used for filling the heat-conducting medium.

The layout of the heat conducting pipes in the present invention is not limited to the layout mentioned in fig. 1 and 5, and for example, fig. 8 should be considered within the scope of the present invention.

The layout in fig. 8 not only prolongs the layout of the heat conduction pipeline in the inner material box and increases the conduction amount, but also facilitates the installation by placing the inlet and the outlet on one side.

Referring to fig. 9-10, in order to increase the heat receiving area and to increase the length of the glass heat absorption tube 11, the storage box housing 1 is contracted, so that the layout of the upper water supply pipeline and the lower heat conduction pipeline is not affected, and the heat absorption area of the glass heat absorption tube is effectively increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. Tubular phase transition solar water heater, its characterized in that includes:

2. The tubular phase-change solar water heater according to claim 1, wherein the storage box casing has columns on both sides of the lower end surface thereof, a clamping insertion plate is disposed on the lower end surface of the storage box casing between the columns on both sides, the heat absorbing plate frame has interfaces fitted to the columns on both sides of the upper end surface thereof, and a clamping insertion groove fitted to the clamping insertion plate is disposed on the upper end surface of the heat absorbing plate frame between the interfaces on both sides thereof.

3. The tube-type phase-change solar water heater according to claim 1, wherein the heat absorbing plate frame is provided with a glass panel at one side and a back plate at the other side, and the heat conducting pipeline is arranged between the glass panel and the back plate.

4. The tubular phase-change solar water heater according to claim 3, wherein the heat absorbing plate frame has a glass slot at the front side and a back plate baffle at the back side, and the heat absorbing plate frame is formed by combining four side frame bodies, wherein before the combination, the glass panel is inserted into the glass slot, the four side frame bodies are connected by bolts, and the back plate is adhered to the back plate baffle by glue.

5. The tubular phase change solar water heater according to claim 1, wherein the heat conducting pipeline is vertically coiled in the heat absorbing plate frame and horizontally coiled after penetrating into the inner material box.

6. The tube-type phase-change solar water heater according to claim 5, wherein the heat transfer pipeline is located in a lower space of the inner tank, and the water supply pipeline is located in an upper space of the inner tank.

7. The tubular phase change solar water heater according to claim 6, wherein the water supply line and the heat conduction line are in a horizontal spiral manner in the inner tank.

8. The tubular phase change solar water heater according to claim 1, wherein an electromagnetic valve is arranged before the heat conducting pipeline enters the inner material box.

9. The tubular phase-change solar water heater according to claim 1, wherein the heat conducting pipeline and the water supply pipeline are both metal pipes, the straight line section is a straight pipe, and the bent section is a corrugated pipe.

10. The tubular phase-change solar water heater according to claim 1, wherein the inner tank is divided into a tank body and a cover body, the cover body is connected with the tank body through a body bolt, and a sealing ring is arranged between the cover body and the tank body.