CN212457457U

CN212457457U - Anti-explosion tube vacuum heat collecting tube

Info

Publication number: CN212457457U
Application number: CN202021145429.7U
Authority: CN
Inventors: 汤旸
Original assignee: JIANGSU HUAIYIN HUIHUANG SOLAR ENERGY CO Ltd
Current assignee: JIANGSU HUAIYIN HUIHUANG SOLAR ENERGY CO Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-02
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to a solar energy utilizes technical field, and an anti-explosion tube evacuated collector tube is disclosed, possess the advantage of preventing explodeing, solved because solar water heating system forced circulation's reason, if the hot water that has used up immediately goes up cold water immediately, just in time catch up with the sky heat, vacuum tube temperature itself is higher, cold water gets into, cold and hot difference in temperature in turn too big can lead to the vacuum tube to explode and split, the temperature in the evacuated collector tube is very high, so produce the incrustation scale easily, the incrustation scale is attached to inside the vacuum tube, thickness increases with time, influence vacuum tube and outside heat exchange. This prevent exploding tub evacuated collector tube through being provided with preheating the storehouse, preheats the storehouse intussuseption and is filled with heat-conducting liquid, makes evacuated collector tube can heat-conducting liquid, when the interior cold water of intake pipe flows to preheating storehouse department, can carry out the heat exchange with heat-conducting liquid, makes the water that gets into in the evacuated collector tube make preheat in advance to make evacuated collector tube can not receive quick cold and hot turn and explode the pipe.

Description

Anti-explosion tube vacuum heat collecting tube

Technical Field

The utility model relates to a solar energy utilizes technical field, specifically is an anti-explosion tube evacuated collector tube.

Background

The vacuum heat collecting pipe is the core of the solar water heater, the structure of the vacuum heat collecting pipe is like an elongated thermos bottle liner, vacuum is formed between an inner layer and an outer layer, a spectrum selective absorption coating is coated on the surface of an inner glass pipe by utilizing a special process and is used for absorbing solar radiation energy to the maximum extent, photons impact the coating after sunlight irradiation, solar energy is converted into heat energy, water absorbs heat from the outside of the coating, the water temperature is increased, the density is reduced, hot water moves upwards, and cold water with high specific gravity is reduced.

The vacuum heat collecting pipe is responsible for the heating circulation function of the solar water heater, because the reason of the forced circulation of the solar water heating system, if the hot water is used up, cold water is immediately used up, when the hot water is just driven up, the temperature of the vacuum pipe is higher, cold water enters, the temperature difference between the cold and the hot water in turn is too large, the vacuum pipe can be burst, the temperature in the vacuum heat collecting pipe is very high, so that scale is easily generated, the scale is attached to the inside of the vacuum pipe, the thickness is increased along with time, the heat exchange between the vacuum pipe and the outside is influenced, certain temperature difference can exist between the inside and the outside, when the solar radiation is strong, the outside temperature is high, but the inside temperature cannot be rapidly increased, the temperature difference can cause the conditions such as the cracks of.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a prevent fried pipe evacuated collector tube, possess and prevent fried advantage, the reason because solar water heating system forced circulation has been solved, if the hot water that has used up immediately goes up cold water, just in time catch up with the sky hot, the temperature of vacuum tube itself is higher, cold water gets into, the cold and hot difference in temperature too big can lead to the vacuum tube to explode and split in turn, temperature in the evacuated collector tube is very high, so produce the incrustation scale easily, the incrustation scale is attached to the vacuum tube the inside, thickness increases along with time, influence vacuum tube and outside heat exchange, inside and outside can have certain difference in temperature, when solar radiation is strong, outside temperature is high, nevertheless inside temperature can't rise fast, the difference in temperature can cause the problem that the condition such as vacuum.

(II) technical scheme

In order to realize the anti-explosion purpose, the utility model provides the following technical scheme: an anti-explosion tube evacuated collector tube comprises a preheating bin, wherein the top of the preheating bin is fixedly provided with an evacuated collector tube, one end of the evacuated collector tube penetrates through and extends to the bottom of the preheating bin, the inner peripheral wall of the evacuated collector tube is fixedly connected with a fixing ring positioned at the top of the preheating bin, the top of the fixing ring is fixedly provided with a top sleeve, a sealing ring is fixedly arranged between the top sleeve and the evacuated collector tube, the peripheral wall of the top sleeve is fixedly provided with a limiting ring positioned at the top of the sealing ring, the peripheral wall of the top sleeve is fixedly provided with a protection tube positioned at the top of the limiting ring, the left side of the top sleeve is communicated with a second water outlet pipe positioned at the top of the protection tube, the right side of the top sleeve is communicated with a first water outlet pipe positioned at the top of the protection tube, the outer parts of the first water outlet pipe and the second water outlet pipe are fixedly provided, the top sheathed tube top fixed mounting has one end to run through and extend to the inlet tube of bottom sleeve pipe bottom, the periphery wall fixedly connected with of inlet tube is located the annular closing cap at top sleeve pipe top, the inlet opening has been seted up to the bottom in preheating storehouse, the apopore that is located between bottom sleeve pipe and the inlet tube is seted up to the bottom in preheating storehouse, the bottom intercommunication of inlet tube has the preheating pipe, the bottom intercommunication on preheating pipe right side has the connecting pipe.

Preferably, the vacuum heat collecting tube is in a U shape with a hollow inner part and a missing top part, and the first water outlet tube and the second water outlet tube are identical and are mutually symmetrical.

Preferably, the top sleeve is in an inverted U shape with a hollowed inside and a missing bottom, and the bottom sleeve is in a cylindrical shape with a hollowed inside and a missing top and a missing bottom.

Preferably, the diameters of the bottom sleeve and the top sleeve are the same, and the shape of the water outlet hole is circular ring-shaped.

Preferably, the diameter of the water inlet hole is the same as the inner diameter of the water inlet pipe, and the preheating pipe is shaped like a snake.

Preferably, the top of the connecting pipe is missing, and the connecting pipe is parallel to the left side wall and the right side wall of the vacuum heat collecting pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-explosion tube evacuated collector tube possesses following beneficial effect:

1. this prevent exploding tub evacuated collector tube through being provided with preheating the storehouse, preheats the storehouse intussuseption and is filled with heat-conducting liquid, makes evacuated collector tube can heat-conducting liquid, when the interior cold water of intake pipe flows to preheating storehouse department, can carry out the heat exchange with heat-conducting liquid, makes the water that gets into in the evacuated collector tube make preheat in advance to make evacuated collector tube can not receive quick cold and hot turn and explode the pipe.

2. The anti-explosion tube vacuum heat collecting tube is provided with the snake-shaped preheating tube, so that a circulation path of water is increased after the water in the water inlet tube enters the preheating tube, the water can be heated in the circulation process of the preheating tube, the temperature difference between the water entering the vacuum heat collecting tube and the temperature of the vacuum heat collecting tube is further prevented from being too large, the vacuum heat collecting tube is prevented from being exploded due to rapid cold and hot alternation, meanwhile, the temperature is greatly increased when the cold water reaches the bottom of the preheating tube, the bottom of the vacuum heat collecting tube is prevented from being suddenly cooled and exploded, the left side wall and the right side wall of the vacuum heat collecting tube are parallel through the connecting tube, the top of the connecting tube is lost, according to the principle of a communicating device, when the water is not communicated after the water is communicated with the water inlet tube and the preheating tube, a small amount of water can remain in the preheating tube, and the water can be mixed with the hot water in the preheating tube when the, thereby avoid getting into the temperature in the empty thermal-arrest pipe and hang down excessively, and then make evacuated collector tube can not receive quick cold and hot alternation and explode the pipe, and the incrustation scale can be got rid of through the liquid of dashing into descaler usefulness in the intake pipe after whole device uses for a long time, because inside liquid is mobile, can make the better whole glass evacuated collector tube of washing of the descaler liquid of adding, prevents that the incrustation scale of long-time accumulation from leading to exploding the pipe, has reduced the risk of exploding the pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of B in fig. 1 according to the present invention.

In the figure: 1 preheating bin, 2 evacuated collector tubes, 3 connecting pipes, 4 first outlet pipes, 5 annular seal covers, 6 check valves, 7 second outlet pipes, 8 inlet pipes, 9 top sleeves, 10 protection pipes, 11 limiting rings, 12 sealing rings, 13 fixing rings, 14 bottom sleeves, 15 inlet holes, 16 preheating pipes and 17 water outlet holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an anti-tube-explosion evacuated collector tube comprises a preheating bin 1, wherein a evacuated collector tube 2 with one end penetrating and extending to the bottom of the preheating bin 1 is fixedly installed at the top of the preheating bin 1, heat-conducting liquid located at the outer side of the tube wall of the evacuated collector tube 2 is filled in the preheating bin 1, the heat-conducting liquid is oil, the evacuated collector tube 2 is in a U shape with a hollow inner part and a missing top part, a fixing ring 13 located at the top of the preheating bin 1 is fixedly connected to the inner peripheral wall of the evacuated collector tube 2, a top sleeve 9 is fixedly installed at the top of the fixing ring 13, the top sleeve 9 is in an inverted U shape with a hollow inner part and a missing bottom part, a sealing ring 12 is fixedly installed between the top sleeve 9 and the evacuated collector tube 2, a limiting ring 11 located at the top of the sealing ring 12 is fixedly installed on the outer peripheral wall of the top sleeve 9, the left side of the top sleeve 9 is communicated with a second water outlet pipe 7 positioned at the top of the protection pipe 10, the right side of the top sleeve 9 is communicated with a first water outlet pipe 4 positioned at the top of the protection pipe 10, the first water outlet pipe 4 and the second water outlet pipe 7 are identical and mutually symmetrical, the outer parts of the first water outlet pipe 4 and the second water outlet pipe 7 are fixedly provided with one-way valves 6, the bottom of the fixing ring 13 is fixedly provided with a bottom sleeve 14, one end of the bottom sleeve 14 penetrates through and extends to the bottom of the preheating bin 1, the bottom sleeve 14 is in a cylindrical shape with hollow inner part and missing top and bottom, the diameters of the bottom sleeve 14 and the top sleeve 9 are identical, the top of the top sleeve 9 is fixedly provided with a water inlet pipe 8, one end of the water inlet pipe penetrates through and extends to the bottom of the bottom sleeve 14, the preheating bin 1 is filled with heat-conducting liquid, so that the vacuum heat-collecting pipe 2 can, can exchange heat with heat-conducting liquid, so that water entering the evacuated collector tube 2 can be preheated in advance, and the evacuated collector tube 2 can not explode due to rapid cold and hot alternation, the peripheral wall of the water inlet tube 8 is fixedly connected with an annular sealing cover 5 positioned at the top of a top sleeve 9, the bottom of the preheating bin 1 is provided with a water inlet hole 15, the diameter of the water inlet hole 15 is the same as the inner diameter of the water inlet tube 8, the bottom of the preheating bin 1 is provided with a water outlet hole 17 positioned between a bottom sleeve 14 and the water inlet tube 8, the water outlet hole 17 is in a circular ring shape, the bottom of the water inlet tube 8 is communicated with a preheating tube 16, the preheating tube 16 is in a snake shape, the bottom of the right side of the preheating tube 16 is communicated with a connecting tube 3, the top of the connecting tube 3 is lost, the connecting tube 3 and the left and right side walls of the evacuated collector tube 2 are both, the circulation path of water is increased, so that the water can be heated in the circulation process of the preheating pipe 16, the temperature difference between the water entering the evacuated collector tube 2 and the temperature of the evacuated collector tube 2 is not too large, the evacuated collector tube 2 is not exploded due to rapid cold and hot alternation, meanwhile, the temperature of cold water is increased greatly when reaching the bottom of the preheating pipe 16, the bottom of the evacuated collector tube 2 is not exploded due to sudden cooling, the connecting pipe 3 is arranged to be parallel to the left side wall and the right side wall of the evacuated collector tube 2, the top of the connecting pipe is lost, according to the principle of a communicating vessel, when the water is not fed any more after the water is fed to the water inlet pipe 8 and the preheating pipe 16, a small amount of water can remain in the preheating pipe 16, the water can be mixed with the hot water in the preheating pipe 16 next time when the water is fed to the water inlet pipe 8, and the temperature of the water entering the evacuated collector tube 2, and then make evacuated collector tube 2 can not receive quick cold and hot alternation and explode the pipe, whole device can be through to the liquid removal incrustation scale usefulness of dashing into in the inlet tube 8 after using for a long time, because inside liquid is mobile, can make the better whole glass evacuated collector tube of washing of the incrustation scale liquid that adds, prevent that the incrustation scale of long-time accumulation from leading to exploding the pipe, has reduced the risk of exploding the pipe.

In conclusion, the anti-tube-explosion vacuum heat collecting tube is provided with the preheating bin 1, the preheating bin 1 is filled with heat conducting liquid, so that the vacuum heat collecting tube 2 can heat the heat conducting liquid, when cold water in the water inlet tube 8 flows to the preheating bin 1, the cold water and the heat conducting liquid can exchange heat, water entering the vacuum heat collecting tube 2 is preheated in advance, and the vacuum heat collecting tube 2 cannot be subjected to quick cold and hot alternation to tube explosion.

Moreover, the preheating pipe 16 is shaped like a snake, so that a circulation path of water is increased after water in the water inlet pipe 8 enters the preheating pipe 16, the water can be heated in the circulation process of the preheating pipe 16, the temperature difference between the water entering the evacuated collector tube 2 and the evacuated collector tube 2 is further prevented from being too large, the evacuated collector tube 2 is prevented from being exploded due to rapid cold and hot alternation, meanwhile, the temperature of cold water is increased greatly when the cold water reaches the bottom of the preheating pipe 16, the bottom of the evacuated collector tube 2 is prevented from being suddenly cooled and exploded, the left side wall and the right side wall of the evacuated collector tube 2 are parallel through the connecting pipe 3, the top of the connecting pipe is lost, according to the principle of a communicating device, when water is not supplied after the water in the water inlet pipe 8 and the preheating pipe 16 is supplied, a small amount of water is remained in the preheating pipe 16, and when the water in the water inlet pipe 8 is supplied next time, the water can be mixed with the hot water in the preheating pipe 16, so that the water temperature in the empty heat collecting pipe 2 is prevented from being too low, the vacuum heat collecting pipe 2 can not be exploded due to quick cold and hot alternation, the scale can be removed by flushing the scale removing liquid into the water inlet pipe 8 after the whole device is used for a long time, the added scale removing liquid can better clean the whole vacuum heat collecting pipe 2 because the internal liquid is flowing, the pipe explosion caused by the scale accumulated for a long time is prevented, the risk of pipe explosion is reduced, the problem of forced circulation of a solar water heating system is solved, if the hot water is used up, the cold water is immediately put away, the temperature of the vacuum pipe is higher when the heat is just taken away, the cold water enters, the temperature difference of the cold and hot alternation can cause the vacuum pipe to explode, the temperature in the vacuum heat collecting pipe 2 is very high, the scale is easily generated, and the scale is, thickness increases with time, influences the heat exchange of vacuum tube and outside, and inside and outside can have certain difference in temperature, and when solar radiation was strong, the outside temperature was high, but the unable rapid rising of inside temperature, the difference in temperature can cause the problem that the condition such as vacuum tube crackle takes place.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-explosion tube evacuated collector tube, includes preheating bin (1), its characterized in that: the preheating device is characterized in that the top of the preheating bin (1) is fixedly provided with an evacuated collector tube (2) of which one end penetrates through and extends to the bottom of the preheating bin (1), the inner peripheral wall of the evacuated collector tube (2) is fixedly connected with a fixing ring (13) positioned at the top of the preheating bin (1), the top of the fixing ring (13) is fixedly provided with a top sleeve (9), a sealing ring (12) is fixedly arranged between the top sleeve (9) and the evacuated collector tube (2), the peripheral wall of the top sleeve (9) is fixedly provided with a spacing ring (11) positioned at the top of the sealing ring (12), the peripheral wall of the top sleeve (9) is fixedly provided with a protection tube (10) positioned at the top of the spacing ring (11), the left side of the top sleeve (9) is communicated with a second water outlet tube (7) positioned at the top of the protection tube (10), the right side of the top sleeve (9) is communicated, the outsides of the first water outlet pipe (4) and the second water outlet pipe (7) are both fixedly provided with a one-way valve (6), a bottom sleeve (14) with one end penetrating and extending to the bottom of the preheating bin (1) is fixedly arranged at the bottom of the fixing ring (13), a water inlet pipe (8) with one end penetrating and extending to the bottom of the bottom sleeve (14) is fixedly arranged at the top of the top sleeve (9), the peripheral wall of the water inlet pipe (8) is fixedly connected with an annular sealing cover (5) positioned at the top of the top sleeve (9), the bottom of the preheating bin (1) is provided with a water inlet hole (15), the bottom of the preheating bin (1) is provided with a water outlet hole (17) positioned between the bottom sleeve (14) and the water inlet pipe (8), the bottom of the water inlet pipe (8) is communicated with a preheating pipe (16), and the bottom of the right side of the preheating pipe (16) is communicated with a connecting pipe (3).

2. The tube-explosion-proof vacuum heat collecting tube of claim 1, wherein: the vacuum heat collecting pipe (2) is in a U shape with a hollow interior and a missing top, and the first water outlet pipe (4) and the second water outlet pipe (7) are identical and are mutually symmetrical.

3. The tube-explosion-proof vacuum heat collecting tube of claim 1, wherein: the shape of top sleeve pipe (9) is the shape of the letter's of falling U that an inside fretwork and bottom are lacked, the shape of bottom sleeve pipe (14) is the cylindricality that an inside fretwork and top and bottom all are lacked.

4. The tube-explosion-proof vacuum heat collecting tube of claim 1, wherein: the diameters of the bottom sleeve (14) and the top sleeve (9) are the same, and the shape of the water outlet hole (17) is circular.

5. The tube-explosion-proof vacuum heat collecting tube of claim 1, wherein: the diameter of the water inlet hole (15) is the same as the inner diameter of the water inlet pipe (8), and the preheating pipe (16) is in a snake shape.

6. The tube-explosion-proof vacuum heat collecting tube of claim 1, wherein: the top of the connecting pipe (3) is lost, and the connecting pipe (3) and the left side wall and the right side wall of the vacuum heat collecting pipe (2) are both in parallel.