Middle-deep layer ground source heat pump buried pipe heat exchanger

Abstract

The utility model belongs to the technical field of new energy heat exchange heating, and particularly relates to a middle-deep layer ground source heat pump buried pipe heat exchanger which comprises a heat preservation assembly, a buried pipe, a heat preservation layer arranged on the inner side wall of the buried pipe, a honeycomb layer arranged on the inner side wall of the heat preservation layer and a protection layer arranged on the inner side wall of the honeycomb layer. The heat exchange assembly comprises a heat exchange plate arranged at the top of the buried pipe, heat exchange holes formed in the surface of the heat exchange plate, corrugated plates arranged between the heat exchange holes, and heat exchange fins arranged at the bottom of the heat exchange plate and extending into the buried pipe; in the using process, the heat preservation effect is good, the heat loss speed can be reduced, the heat exchange efficiency is improved, meanwhile, the heat exchange efficiency is high, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy heating technology field, concretely is a middle deep layer ground source heat pump ground -buried pipe heat exchanger. BACKGROUND

[0002] The new energy of heating is various, mainly includes solar energy, geothermal energy, air energy, biomass energy etc. Among them, air energy heat pump is a kind of heating equipment, which is compressed by compressor and heat is transferred to indoor through heat exchanger, and it has the characteristics of energy saving, environmental protection, safety and reliability. Biomass energy is a kind of energy that uses crop straw, sawdust, waste and other organic matter for heating. The heat energy generated by biomass energy combustion can be used for heating and hot water, and it can also effectively utilize agricultural waste, reduce pollution and waste. Solar energy is a kind of energy that uses solar radiation for heating. Solar water heater and solar heat collection system are common solar heating equipment, which can convert solar energy into heat energy to provide hot water and heating for families and public places. Geothermal energy is the heat energy stored in the earth, which can be converted into heating energy by ground source heat pump. Ground source heat pump uses underground heat source for heating, without producing carbon dioxide and other pollutants, with high heating efficiency and environmental protection. Air energy refers to the use of air heat for heating. At present, the heat conversion rate of heating equipment based on ground source heat pump is low, in addition to the objective factors such as long distance of heat transfer medium transportation, the heat exchanger in the buried state is difficult to consider heat transfer and insulation effect, in this case, how to develop a buried pipe heat exchanger with better heat transfer performance has been one of the technical problems to be solved in the field.

[0003] Based on the above problems, a new type of middle deep layer ground source heat pump ground -buried pipe heat exchanger is proposed. SUMMARY

[0004] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplification or omission may be made in this part, as well as the abstract of the specification and the utility model name, to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the prior art, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a middle deep layer ground source heat pump ground -buried pipe heat exchanger, which has good insulation effect, can reduce the speed of heat loss, improve the heat transfer efficiency, and has high heat transfer efficiency and strong practicability.

[0007] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0008] A middle-deep ground source heat pump buried pipe heat exchanger, comprising:

[0009] The heat preservation assembly comprises a buried pipe, a heat preservation layer arranged on the inner side wall of the buried pipe, a honeycomb layer arranged on the inner side wall of the heat preservation layer, and a protective layer arranged on the inner side wall of the honeycomb layer.

[0010] The heat exchange assembly comprises a heat exchange plate arranged at the top of the buried pipe, heat exchange holes arranged on the surface of the heat exchange plate, corrugated plates arranged between the heat exchange holes, and heat exchange fins arranged at the bottom of the heat exchange plate and extending into the interior of the buried pipe.

[0011] As a preferred scheme of the middle-deep ground source heat pump buried pipe heat exchanger, the two ends of the buried pipe are provided with connecting ports.

[0012] As a preferred scheme of the middle-deep ground source heat pump buried pipe heat exchanger, the heat preservation layer is a heat preservation cotton composite layer.

[0013] As a preferred scheme of the middle-deep ground source heat pump buried pipe heat exchanger, the honeycomb layer is uniformly provided with honeycomb holes in the interior, and the interior of the honeycomb holes is filled with heat preservation material.

[0014] As a preferred scheme of the middle-deep ground source heat pump buried pipe heat exchanger, the protective layer is a corrosion-resistant coating.

[0015] As a preferred scheme of the middle-deep ground source heat pump buried pipe heat exchanger, the top of the buried pipe is provided with a connecting groove matched with the heat exchange plate.

[0016] 7. The middle-deep ground source heat pump buried pipe heat exchanger according to the present application, wherein the heat exchange plate and the heat exchange fin are made of graphene material.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. By arranging the heat preservation layer on the inner side wall of the buried pipe, the honeycomb layer on the inner side wall of the heat preservation layer, the heat preservation cotton composite layer for the heat preservation layer, and the honeycomb holes uniformly arranged in the interior of the honeycomb layer and filled with heat preservation material in the interior of the honeycomb holes, the heat preservation effect can be improved, and the heat loss in the heat exchange process can be effectively reduced.

[0019] 2. In addition, by setting the heat exchange holes on the surface of the heat exchange plates, the heat exchange area is increased, and the heat exchange efficiency is improved. By setting the corrugated plates between the heat exchange plates, the heat exchange area is further increased, and the heat exchange efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the technical scheme of the embodiments of the present application clearer, the present application will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor. Among them:

[0021] Figure 1 is a structural schematic diagram of the present application;

[0022] Figure 2 is a structural schematic diagram of the heat preservation assembly of the present application;

[0023] Figure 3 is a structural schematic diagram of the heat exchange assembly of the present application;

[0024] Figure 4 is a structural schematic diagram of the heat exchange plate of the present application.

[0025] In the drawings: 100 heat preservation assembly, 110 buried pipe, 120 heat preservation layer, 130 honeycomb layer, 140 protective layer, 150 connecting groove, 200 heat exchange assembly, 210 heat exchange plate, 220 heat exchange hole, 230 heat exchange fin, 240 corrugated plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below in conjunction with the drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0028] Secondly, the present application is described in detail in conjunction with the schematic diagram. In order to facilitate the description, the sectional view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0030] The utility model provides the following technical scheme: a kind of middle-deep ground source heat pump buried pipe heat exchanger, in the process of using, heat preservation effect is good, can reduce the speed of heat loss, improve heat exchange efficiency, while heat exchange efficiency is high, practicality is strong;

[0031] Figures 1 to 4 It is shown that the structure schematic diagram of one embodiment of the utility model a kind of middle-deep ground source heat pump buried pipe heat exchanger, its main part includes heat preservation assembly 100 and heat exchange component 200;

[0032] Heat preservation assembly 100 includes buried pipe 110, installs the heat preservation layer 120 of inner wall in buried pipe 110, installs the honeycomb layer 130 of inner wall in heat preservation layer 120 and installs the protective layer 140 of inner wall in honeycomb layer 130, the both ends of buried pipe 110 are equipped with connecting port, heat preservation layer 120 selects composite layer of heat preservation cotton, the inside of honeycomb layer 130 is uniformly provided with honeycomb hole, and the inside of honeycomb hole is filled with heat preservation material, protective layer 140 is corrosion-resistant coating, the top of buried pipe 110 is provided with the connecting groove 150 matched with heat exchange plate 210, further, buried pipe 110 is used for heat exchange medium delivery, heat preservation layer 120, honeycomb layer 130 are used for improving heat preservation performance, reduce heat loss in heat exchange process, protective layer 140 is used for improving protection performance, connecting groove 150 is used for installing heat exchange component 200;

[0033] Heat exchange component 200 includes heat exchange plate 210 installed in the top of buried pipe 110, heat exchange hole 220 installed on the surface of heat exchange plate 210, corrugated plate 240 installed between heat exchange hole 220, heat exchange fin 230 installed at the bottom of heat exchange plate 210 and extended to the inside of buried pipe 110, heat exchange plate 210 and heat exchange fin 230 are made of graphene material, further, heat exchange plate 210 is used for heat replacement, heat exchange hole 220 is used for increasing heat exchange area, improves heat exchange efficiency, corrugated plate 240 is used for further improving heat exchange efficiency, heat exchange fin 230 is used for contact with heat exchange medium, realizes heat transport.

[0034] Combination Figures 1-4In the embodiment, the heat exchanger of the medium-deep ground source heat pump buried pipe 110 has the following specific principle: the inner side wall of the buried pipe 110 is provided with a heat preservation layer 120, the inner side wall of the heat preservation layer 120 is provided with a honeycomb layer 130, the heat preservation layer 120 is selected from a heat preservation cotton composite layer, the honeycomb layer 130 is uniformly provided with honeycomb holes in the inside, and the inside of the honeycomb holes is filled with heat preservation materials, so that the heat preservation effect can be improved, and heat loss in the heat exchange process can be effectively reduced; in addition, the surface of the heat exchange plate 210 is provided with heat exchange holes 220, the heat exchange area is increased, the heat exchange efficiency is improved, the corrugated plates 240 are arranged between the heat exchange plates 210, the heat exchange area is further increased, and the heat exchange efficiency is further improved.

[0035] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent parts can be substituted without departing from the scope of the present application. In particular, each feature disclosed in the described embodiments of the present application can be used in any combination, unless the context excludes such combination. The description of the application herein is not exhaustive and is merely intended to illustrate the present application. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A heat exchanger for a medium-depth ground source heat pump ground loop, characterized by, Include: The heat preservation assembly (100) includes a buried pipe (110), a heat preservation layer (120) arranged on the inner side wall of the buried pipe (110), a honeycomb layer (130) arranged on the inner side wall of the heat preservation layer (120), and a protective layer (140) arranged on the inner side wall of the honeycomb layer (130); The heat exchange assembly (200) includes a heat exchange plate (210) arranged at the top of the buried pipe (110), a heat exchange hole (220) arranged on the surface of the heat exchange plate (210), a corrugated plate (240) arranged between the heat exchange holes (220), and a heat exchange fin (230) arranged at the bottom of the heat exchange plate (210) and extending to the inside of the buried pipe (110).

2. The heat exchanger of a middle-deep ground source heat pump buried pipe (110) according to claim 1, characterized in that: Both ends of the buried pipe (110) are provided with connecting ports.

3. The heat exchanger of a middle-deep ground source heat pump buried pipe (110) according to claim 1, characterized in that: The heat preservation layer (120) is made of heat preservation cotton composite layer.

4. The heat exchanger of a middle-deep ground source heat pump buried pipe (110) according to claim 1, characterized in that: The inside of the honeycomb layer (130) is uniformly provided with honeycomb holes, and the inside of the honeycomb holes is filled with heat preservation material.

5. The heat exchanger of a middle-deep ground source heat pump geothermal pipe (110) according to claim 1, characterized in that: The protective layer (140) is a corrosion-resistant coating.

6. The heat exchanger of a middle-deep ground source heat pump geothermal pipe (110) according to claim 1, characterized in that: The top of the buried pipe (110) is provided with a connecting groove (150) matched with the heat exchange plate (210).

7. The heat exchanger of a middle-deep ground source heat pump geothermal pipe (110) according to claim 1, characterized in that: The heat exchange plate (210) and the heat exchange fin (230) are made of graphene material.

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