CN211526766U

CN211526766U - Energy-saving heat exchange device of ground source heat pump

Info

Publication number: CN211526766U
Application number: CN202020110757.7U
Authority: CN
Inventors: 王争收; 王勋涛; 王立涛
Original assignee: Hebei Jiangda Water Engineering Group Co ltd
Current assignee: Hebei Jiangda Water Engineering Group Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-18
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to an energy-conserving heat transfer device of ground source heat pump relates to ground source heat pump's heat transfer technical field, including insulation box, establish the heat transfer casing on insulation box and establish the heat transfer pipeline in the heat transfer casing, the heat transfer casing is located insulation box's inside, is equipped with heat transfer casing water inlet and heat transfer casing delivery port on the heat transfer casing, and heat transfer casing water inlet and heat transfer casing delivery port all stretch out insulation box, and the heat transfer pipeline is located heat transfer casing's inside, is equipped with heat transfer pipeline water inlet and heat transfer pipeline delivery port on the heat transfer pipeline, and heat transfer pipeline water inlet and heat transfer pipeline delivery port all stretch out heat transfer. The utility model provides a problem that traditional heat transfer device heat exchange efficiency is low, very big improvement heat transfer device's heat exchange efficiency, energy saving and consumption reduction's advantage has.

Description

Energy-saving heat exchange device of ground source heat pump

Technical Field

The utility model belongs to the technical field of ground source heat pump's heat transfer technique and specifically relates to an energy-conserving heat transfer device of ground source heat pump is related to.

Background

The ground source heat pump is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy) into shallow land energy.

Heat exchange device (heat exchanger) can often be used in ground source heat pump's equipment, and traditional heat exchange device has inside and outside two-layer constitution usually, and the inlayer is the heat transfer pipeline, outer heat transfer casing, during the heat transfer, is heat transfer solution (being water usually) between inlayer and the skin, and the inlayer is heat absorption solution (being water usually), then wraps up some heat preservation (being the cavernosum usually) of avoiding heat transfer casing radiating in the outside of heat transfer casing again. The heat preservation mode can not well preserve the heat of the heat exchange solution in the heat exchange shell, and the heat preservation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an energy-conserving heat transfer device of ground source heat pump, it has solved the problem that traditional heat transfer device heat exchange efficiency is low, very big improvement heat transfer device's heat exchange efficiency, have energy saving and consumption reduction's advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an energy-saving heat exchange device of a ground source heat pump comprises a heat insulation box body, a heat exchange shell arranged on the heat insulation box body and a heat exchange pipeline arranged in the heat exchange shell;

the heat exchange shell is positioned inside the heat preservation box body, a heat exchange shell water inlet and a heat exchange shell water outlet are formed in the heat exchange shell, and the heat exchange shell water inlet and the heat exchange shell water outlet both extend out of the heat preservation box body;

the heat exchange pipeline is located inside the heat exchange shell, a heat exchange pipeline water inlet and a heat exchange pipeline water outlet are formed in the heat exchange pipeline, and the heat exchange pipeline water inlet and the heat exchange pipeline water outlet extend out of the heat exchange shell and the heat preservation box body.

Through adopting above-mentioned technical scheme, outside through at heat transfer casing sets up insulation box, thereby when carrying out the heat transfer with heat transfer pipeline in the heat transfer casing, heat transfer box physical stamina plays certain heat preservation effect to the heat transfer casing, compare in traditional sponge layer and carry out heat retaining mode, whole insulation box's heat preservation is effectual, and the heat is difficult for giving off, traditional sponge layer can only slow down thermal loss, and insulation box can nevertheless play certain heat storage effect, reduce thermal loss, make heat transfer casing and heat transfer pipeline's heat exchange efficiency obtain improving, energy saving and consumption reduction.

The utility model discloses further set up to: the heat preservation box body is provided with a pipe orifice, and the pipe orifice is provided with a pipe cover.

Through adopting above-mentioned technical scheme, through set up the tube cap on the insulation box body to can add heat preservation liquid in the intermediate layer between insulation box body and heat transfer casing, further avoid thermal loss, improve heat exchange efficiency.

The utility model discloses further set up to: an oil layer is arranged inside the heat preservation box body;

the oil layer is positioned between the heat preservation box body and the heat exchange shell.

By adopting the technical scheme, the general oil has no boiling point, so that the oil is not easy to evaporate when the oil absorbs heat, and the heat preservation effect of the oil is higher.

The utility model discloses further set up to: the oil layer is a plant oil layer.

By adopting the technical scheme, the vegetable oil has good heat preservation effect and low price, is beneficial to reducing the loss of heat and improves the heat exchange efficiency.

The utility model discloses further set up to: the pipe cover is provided with a plurality of air holes.

Through adopting above-mentioned technical scheme, through seting up a plurality of bleeder vents on the tube cap for after the oil reservoir heat absorption inflation, the oil reservoir can not extrude the insulation box body, and the air in the intermediate layer between insulation box body and the casing can have the external world to flow.

The utility model discloses further set up to: the water inlet of the heat exchange shell is positioned at the top of the heat exchange shell, and the water outlet of the heat exchange shell is positioned at the bottom of the heat exchange shell.

Through adopting above-mentioned technical scheme, through setting up the top of heat transfer casing with heat transfer casing water inlet, the density of water changes because of temperature variation, and the higher density of temperature according to water is littleer more can know, and the water of high temperature gets into from the upper strata, and microthermal water flows from the lower extreme, more favourable heat transfer pipeline carries out heat transfer and thermal absorption, has improved heat exchange efficiency.

The utility model discloses further set up to: the water inlet of the heat exchange pipeline is positioned at the bottom of the heat exchange pipeline, and the water outlet of the heat exchange pipeline is positioned at the top of the heat exchange pipeline.

Through adopting above-mentioned technical scheme, the water of low temperature flows in from the lower extreme, and after absorbing heat, the water of high temperature flows out from the upper end for hydroenergy in the heat transfer pipeline is better carries out thermal absorption, improves heat exchange efficiency.

The utility model discloses further set up to: the inside of insulation box is the vacuum layer, the tube cap is sealed lid.

Through adopting above-mentioned technical scheme, make the vacuum layer through taking out air with the intermediate layer between insulation box and the heat transfer casing to heat preservation and thermal-insulated to the heat transfer casing, the vacuum is thermal-insulated effectual, can reduce thermal loss, improves heat exchange efficiency.

To sum up, the utility model discloses a beneficial technological effect does:

1. set up the insulation box in the outside of heat transfer casing, when making heat transfer casing and heat transfer pipeline carry out the heat transfer, heat transfer case physical stamina plays certain heat preservation effect to the heat transfer casing, compare in traditional sponge layer and carry out heat retaining mode, whole insulation box's heat preservation is effectual, and the heat is difficult for giving off, thermal loss can only be slowed down on traditional sponge layer, and insulation box can play certain heat storage effect, reduce thermal loss, make heat transfer casing and heat transfer pipeline's heat exchange efficiency obtain improving, energy saving and consumption reduction.

2. The vacuum layer is manufactured by pumping the interlayer between the heat preservation box body and the heat exchange shell, so that the heat preservation and heat insulation of the heat exchange shell are realized, the vacuum heat insulation effect is good, the heat loss can be reduced, and the heat exchange efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a partial cross-sectional view of fig. 1.

Fig. 3 is a schematic sectional structure diagram of embodiment 2 of the present invention.

In the figure, 1, a heat preservation box body; 11. a pipe orifice; 12. a tube cover; 121. air holes are formed; 2. a heat exchange housing; 21. a water inlet of the heat exchange shell; 22. a water outlet of the heat exchange shell; 3. a heat exchange conduit; 31. a heat exchange pipe water inlet; 32. a water outlet of the heat exchange pipeline; 4. an oil layer; 5. and (4) a vacuum layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and fig. 2, for the embodiment of the present invention discloses an energy-saving heat exchange device of a ground source heat pump, including a heat insulation box body 1, a heat exchange housing 2 arranged on the heat insulation box body 1, and a heat exchange pipeline 3 arranged in the heat exchange housing 2. The heat preservation box body 1, the heat exchange shell 2 and the heat exchange pipeline 3 are sequentially arranged from outside to inside, and an interlayer is arranged between every two adjacent heat preservation box bodies.

Referring to fig. 1 and 2, the top of the heat preservation box body 1 is provided with a pipe orifice 11, the pipe orifice 11 is communicated into an interlayer between the heat preservation box body 1 and the heat exchange shell 2, an oil layer 4 is arranged in the interlayer between the heat preservation box body 1 and the heat exchange shell 2, the oil layer 4 is a plant oil layer, the plant oil has no boiling point, and the ignition point is higher. When the oil layer is filled, the interlayer between the heat preservation box body 1 and the heat exchange shell 2 is filled with vegetable oil through the pipe orifice 11. The pipe orifice 11 is connected with the pipe cover 12 in a threaded manner, when the oil layer 4 is filled, the pipe cover 12 is sealed on the pipe orifice 11, the pipe cover 12 is provided with a plurality of fine air holes 121, the air holes 121 are uniformly distributed on the pipe cover 12, and when the oil layer 4 expands due to heating, the air holes 121 enable the oil layer 4 to exchange air with the outside. When the oil layer 4 is replaced, the oil can be poured out through the nozzle 11.

Referring to fig. 2, the heat exchange housing 2 is integrally located inside the heat insulation box 1 and is fixedly connected with the heat insulation box 1. The heat exchange shell 2 is connected with a water inlet and a water outlet, which are respectively a heat exchange shell water inlet 21 and a heat exchange shell water outlet 22. The heat exchange shell water inlet 21 is positioned at the top of the heat exchange shell 2, the heat exchange shell water inlet 21 penetrates through the heat preservation box body 1, and high-temperature water before heat exchange enters from the heat exchange shell water inlet 21. The water outlet 22 of the heat exchange shell is positioned at the bottom of the heat exchange shell 2, the water outlet 22 of the heat exchange shell penetrates through the heat preservation box body 1, and low-temperature water after heat exchange flows out from the end of the water outlet 22 of the heat exchange shell.

Referring to fig. 2, the heat exchange pipeline 3 is integrally located inside the heat exchange housing 2, and two ends of the heat exchange pipeline 3 penetrate through the heat exchange housing 2 to form a water inlet and a water outlet with the insulation box 1, which are respectively a heat exchange pipeline water inlet 31 and a heat exchange pipeline water outlet 32. The heat exchange pipeline water inlet 31 is arranged at the bottom of the heat exchange pipeline 3, low-temperature water in the heat exchange pipeline 3 flows in from the heat exchange pipeline water inlet 31, heat exchange is carried out in the heat exchange shell 2, the low-temperature water flows out from the heat exchange pipeline water outlet 32, and the heat exchange pipeline water outlet 32 is positioned at the top of the heat exchange pipeline 3. The heat exchange pipeline 3 positioned in the heat exchange shell 2 is divided into a plurality of thin pipes, so that the heat exchange area between the heat exchange pipeline 3 and hot water in the heat exchange shell 2 is increased.

The implementation principle of the embodiment is as follows:

firstly, plant oil is poured into an interlayer between the heat preservation box body 1 and the heat exchange shell body 2 through the pipe orifice 11 and is covered by the pipe cover 12, then hot water in the heat exchange shell body 2 flows in from the heat exchange shell body water inlet 21 at the top and flows out from the bottom of the heat exchange shell body water outlet 22 at the bottom, and meanwhile, cold water in the heat exchange pipeline 3 flows in from the heat exchange pipeline water inlet 31 at the bottom and flows out from the heat exchange pipeline water outlet 32 at the top.

Example 2:

referring to fig. 3, the present embodiment is different from embodiment 1 in that: the pipe cover 12 is a sealing cover, and the pipe cover 12 is not provided with the air holes 121, so that the interlayer between the heat preservation box body 1 and the heat exchange shell 2 is vacuumized, and the interlayer between the heat preservation box body 1 and the heat exchange shell 2 becomes the vacuum layer 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The energy-saving heat exchange device of the ground source heat pump is characterized in that: comprises a heat preservation box body (1), a heat exchange shell (2) arranged on the heat preservation box body (1) and a heat exchange pipeline (3) arranged in the heat exchange shell (2);

the heat exchange shell (2) is positioned inside the heat preservation box body (1), a heat exchange shell water inlet (21) and a heat exchange shell water outlet (22) are formed in the heat exchange shell (2), and the heat exchange shell water inlet (21) and the heat exchange shell water outlet (22) both extend out of the heat preservation box body (1);

the heat exchange pipeline (3) is located inside the heat exchange shell (2), a heat exchange pipeline water inlet (31) and a heat exchange pipeline water outlet (32) are formed in the heat exchange pipeline (3), and the heat exchange pipeline water inlet (31) and the heat exchange pipeline water outlet (32) extend out of the heat exchange shell (2) and the heat preservation box body (1).

2. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 1, characterized in that: the heat preservation box body (1) is provided with a pipe orifice (11), and the pipe orifice (11) is provided with a pipe cover (12).

3. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 2, characterized in that: an oil layer (4) is arranged inside the heat preservation box body (1);

the oil layer (4) is positioned between the heat preservation box body (1) and the heat exchange shell (2).

4. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 3, characterized in that: the oil layer (4) is a plant oil layer.

5. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 4, wherein: the pipe cover (12) is provided with a plurality of air holes (121).

6. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 1, characterized in that: the water inlet (21) of the heat exchange shell is positioned at the top of the heat exchange shell (2), and the water outlet (22) of the heat exchange shell is positioned at the bottom of the heat exchange shell (2).

7. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 6, wherein: the water inlet (31) of the heat exchange pipeline is positioned at the bottom of the heat exchange pipeline (3), and the water outlet (32) of the heat exchange pipeline is positioned at the top of the heat exchange pipeline (3).

8. The energy-saving heat exchange device of the ground source heat pump as claimed in claim 2, characterized in that: the vacuum layer (5) is arranged in the heat preservation box body (1), and the pipe cover (12) is a sealing cover.