Medium-deep layer and shallow layer geothermal energy combined heat supply device

Abstract

The utility model discloses a medium-deep layer and shallow layer geothermal energy combined heat supply device which comprises a backfill layer, an outer pipe is embedded in the backfill layer, an inner pipe is embedded in the outer pipe, a hot water pipe is arranged at the top of the inner pipe, a cold water pipe is arranged on the side face of the outer pipe, a heat preservation layer is arranged at the top of the backfill layer, and a placing plate is arranged outside the hot water pipe. And a heating assembly is arranged on the surface of the placing plate. According to the geothermal energy combined heat supply device for the middle-deep layer and the shallow layer, the outer pipe is embedded in the backfill layer, and the inner pipe is embedded in the outer pipe, so that when the combined heat supply device is used, the heating assembly and the electric heating pipe are installed outside the hot water pipe through the placement plate, the backfill layer and the heat preservation layer are embedded into rock soil, and cold water is input into the outer pipe from the cold water pipe; cold water is heated into hot water under the effect of terrestrial heat, the hot water flows into the hot water pipe, the heating assembly heats the electric heating pipe at the moment, the heating efficiency is higher through combined heat supply, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of combined heat supply, especially relates to a middle -deep layer and shallow geothermal energy combined heat supply device. BACKGROUND

[0002] Geothermal energy is the natural heat energy extracted from the crust, which comes from the lava inside the earth and exists in the form of heat. When geothermal energy is used, a geothermal energy heat supply device is needed.

[0003] The combined heat supply device on the market has the following problems when applied:

[0004] 1. The traditional heat supply device generally has only one geothermal energy when in use. The heat is generally fixed when the geothermal energy is used, and the temperature rises slowly. It takes a lot of time to increase the temperature, which is not convenient to use.

[0005] 2. When the traditional heat supply device is used, the outer pipe above the geothermal energy is generally exposed to the environment. When the temperature in the environment decreases, the temperature of the hot water in the inner pipe will decrease, and the heat preservation effect of the pipe exposed to the environment is poor. INVENTION CONTENTS

[0006] The utility model aims at providing a middle -deep layer and shallow geothermal energy combined heat supply device to solve the technical problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a middle -deep layer and shallow geothermal energy combined heat supply device, comprising a backfill layer, the backfill layer is inlaid with an outer pipe, the outer pipe is inlaid with an inner pipe, the inner pipe top is equipped with hot water pipe, the outer pipe side is equipped with cold water pipe, the backfill layer top is equipped with heat preservation layer, the hot water pipe outside is equipped with placing plate, the placing plate surface is equipped with heating assembly, the heating assembly side is equipped with electric heating pipe.

[0008] Preferably, the outer pipe is sleeved with a first protective cover, the first protective cover is fixedly connected with a sleeve on the side, the sleeve is penetrated by a shaft body inside, the shaft body is provided with a connecting block on the side, the connecting block is fixedly connected with a second protective cover on the side, the first protective cover and the second protective cover are inlaid with heat preservation cotton inside, and the number of the heat preservation cotton is two.

[0009] Preferably, the placing plate side is fixedly connected with a square plate, and the square plate is in symmetrical distribution.

[0010] Preferably, the first protective cover side is fixedly connected with a first fixed block, and the second protective cover side is fixedly connected with a second fixed block.

[0011] Preferably, the first fixed block surface is fixedly connected with a clamping block, and the second fixed block surface is provided with a clamping groove.

[0012] Preferably, the square plate is internally provided with a butterfly bolt, and the number of the butterfly bolts is two.

[0013] The combined heat supply device of the middle-deep layer and the shallow geothermal energy has the following advantages:

[0014] 1. The combined heat supply device of the middle-deep layer and the shallow geothermal energy is characterized in that an outer pipe is embedded in a backfill layer, an inner pipe is embedded in the outer pipe, a hot water pipe is additionally arranged at the top of the inner pipe, a cold water pipe is additionally arranged at the side of the outer pipe, a heat preservation layer is additionally arranged at the top of the backfill layer, a placing plate is additionally arranged outside the hot water pipe, a heating assembly is additionally arranged on the surface of the placing plate, an electric heating pipe is additionally arranged at the side of the heating assembly, and the heating assembly and the electric heating pipe are installed outside the hot water pipe through the placing plate when the combined heat supply device is used.

[0015] 2. The combined heat supply device of the middle-deep layer and the shallow geothermal energy is characterized in that a first protective cover is sleeved outside the outer pipe, a sleeve is installed at the side of the first protective cover, a shaft body is penetrated through the inside of the sleeve, a connecting block is additionally arranged at the side of the shaft body, a second protective cover is installed at the side of the connecting block, heat preservation cotton is embedded in the inside of the first protective cover and the second protective cover, and the first protective cover and the second protective cover are sleeved on the part of the outer pipe exposed to the environment when the middle-deep layer heat supply device is installed. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the inner pipe structure of the present application;

[0019] Figure 3 The schematic view of the clamping groove structure of the utility model;

[0020] Figure 4 The utility model discloses a Figure 1 The enlarged view of part A in the middle;

[0021] Figure 5 The utility model discloses a Figure 3 The enlarged view of part B in the middle.

[0022] Marking illustration in the drawing: 1, backfill layer;2, heat preservation layer;3, first protective cover;4, second protective cover;5, cold water pipe;6, hot water pipe;7, electric heating pipe;8, heating assembly;9, placing plate;10, sleeve;11, inner tube;12, outer tube;13, heat preservation cotton;14, clamping block;15, clamping groove;16, first fixed block;17, second fixed block;18, butterfly bolt;19, square plate;20, shaft body;21, connecting block. DETAILED DESCRIPTION

[0023] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0024] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0025] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected, or can be communicated; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which does not indicate the relationship between the various embodiments and / or settings discussed.

[0028] In order to better understand the purpose, structure and function of the present application, the present application will be further described in detail below in combination with the drawings.

[0029] As shown in Figures 1-5 The present application discloses a kind of middle deep layer and shallow geothermal energy combined heat supply device, including backfill layer 1, backfill layer 1 inside inlay outer tube 12, outer tube 12 inside inlay inner tube 11, inner tube 11 top is equipped with hot water pipe 6, outer tube 12 side is equipped with cold water pipe 5, backfill layer 1 top is equipped with heat preservation layer 2, hot water pipe 6 outside is equipped with placing plate 9, placing plate 9 surface is equipped with heating assembly 8, heating assembly 8 side is equipped with electric heating tube 7, by inlaying outer tube 12 in backfill layer 1, outer tube 12 inside inlay inner tube 11, inner tube 11 top is additionally provided with hot water pipe 6, outer tube 12 side is additionally provided with cold water pipe 5, backfill layer 1 top is additionally provided with heat preservation layer 2, hot water pipe 6 outside is additionally provided with placing plate 9, placing plate 9 surface is additionally provided with heating assembly 8, heating assembly 8 side is additionally provided with electric heating tube 7, when using the combined heat supply device, heating assembly 8 and electric heating tube 7 are installed outside hot water pipe 6 by placing plate 9, backfill layer 1 and heat preservation layer 2 are buried in rock-soil inside, cold water is input from cold water pipe 5 to outer tube 12 inside, cold water is heated to hot water by the action of geothermal, hot water flows into hot water pipe 6 inside, heating assembly 8 heats electric heating tube 7 at this time, combined heat supply makes its heating efficiency higher, it is more convenient to use.

[0030] The first protective cover 3 is sleeved outside the outer pipe 12, the sleeve 10 is fixedly connected to the side of the first protective cover 3, the shaft body 20 penetrates through the inside of the sleeve 10, the connecting block 21 is arranged on the side of the shaft body 20, the second protective cover 4 is fixedly connected to the side of the connecting block 21, and the heat preservation cotton 13 is inlaid in the first protective cover 3 and the second protective cover 4.

[0031] The square plate 19 is fixedly connected to the side of the placing plate 9, the square plate 19 is symmetrically distributed, and the placing plate 9 can be conveniently installed through the square plate 19 installed on the side of the placing plate 9.

[0032] The first protective cover 3 is fixedly connected to the first fixed block 16, the second protective cover 4 is fixedly connected to the second fixed block 17, the first protective cover 3 and the second protective cover 4 can be fixed through the first fixed block 16 and the second fixed block 17 installed on the side of the first protective cover 3 and the second protective cover 4.

[0033] The first fixed block 16 is fixedly connected to the clamping block 14, the second fixed block 17 is provided with the clamping groove 15, the clamping block 14 is inlaid in the clamping groove 15, and the first protective cover 3 and the second protective cover 4 can be installed outside the outer pipe 12 through the clamping block 14 installed on the surface of the first fixed block 16 and the clamping groove 15 provided on the surface of the second fixed block 17.

[0034] The butterfly bolt 18 penetrates through the inside of the square plate 19, the number of the butterfly bolt 18 is two, and the placing plate 9 can be installed outside the hot water pipe 6 through the butterfly bolt 18 penetrating through the inside of the square plate 19 and being screwed into the inside of the square plate 19.

[0035] The working principle of the combined heat supply device of the middle-deep and shallow geothermal energy is as follows: when the two heat supply devices are applied, the backfill layer 1 and the heat preservation layer 2 are buried in the rock-soil, when the middle-deep heat supply device is installed, the first protective cover 3 and the second protective cover 4 are sleeved on the part of the outer pipe 12 exposed in the environment, the second protective cover 4 is rotated to drive the shaft body 20 to rotate in the sleeve 10, so that the first protective cover 3 and the second protective cover 4 are combined, the clamping block 14 is embedded in the clamping groove 15, and the first protective cover 3 and the second protective cover 4 are installed outside the outer pipe 12, the heat preservation cotton 13 in the first protective cover 3 and the second protective cover 4 can play a heat preservation effect, so that the heat preservation and heat insulation effect is better, the heating assembly 8 and the electric heating pipe 7 are installed outside the hot water pipe 6 through the placing plate 9, the butterfly bolt 18 is inserted into the square plate 19 and is tightened, the placing plate 9 is installed outside the hot water pipe 6, cold water is input into the outer pipe 12, the cold water is heated into hot water by the action of the geothermal energy, the hot water flows into the hot water pipe 6, at this time, the heating assembly 8 heats the electric heating pipe 7, and the combined heat supply makes the heating efficiency higher.

[0036] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A combined medium and shallow geothermal energy heating device, comprising a backfill layer (1), characterized in that: The backfill layer (1) is inlaid with an outer pipe (12), the outer pipe (12) is inlaid with an inner pipe (11), the top of the inner pipe (11) is provided with a hot water pipe (6), the side of the outer pipe (12) is provided with a cold water pipe (5), the top of the backfill layer (1) is provided with a heat preservation layer (2), the outside of the hot water pipe (6) is provided with a placing plate (9), the surface of the placing plate (9) is provided with a heating assembly (8), and the side of the heating assembly (8) is provided with an electric heating pipe (7).

2. The device for combined supply of medium-depth and shallow geothermal energy according to claim 1, characterized in that: The outer pipe (12) is externally sleeved with a first protective cover (3), the side of the first protective cover (3) is fixedly connected with a sleeve (10), the sleeve (10) is internally penetrated through an shaft body (20), the side of the shaft body (20) is provided with a connecting block (21), the side of the connecting block (21) is fixedly connected with a second protective cover (4), the first protective cover (3) and the second protective cover (4) are inlaid with heat preservation cotton (13), and the number of the heat preservation cotton (13) is two.

3. The apparatus according to claim 1, characterized in that: The side of the placing plate (9) is fixedly connected with a square plate (19), and the square plate (19) is in a symmetrical distribution form.

4. The apparatus according to claim 2, wherein: The side of the first protective cover (3) is fixedly connected with a first fixed block (16), and the side of the second protective cover (4) is fixedly connected with a second fixed block (17).

5. The device for combined supply of medium-depth and shallow geothermal energy according to claim 4, characterized in that: The surface of the first fixed block (16) is fixedly connected with a clamping block (14), the surface of the second fixed block (17) is provided with a clamping groove (15), and the clamping block (14) is inlaid in the clamping groove (15).

6. The device for combined supply of medium-depth and shallow geothermal energy according to claim 3, characterized in that: The square plate (19) is internally penetrated through a butterfly bolt (18), and the number of the butterfly bolt (18) is two.

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