CN218210150U

CN218210150U - Medium-deep geothermal heat large-flow heat exchanger

Info

Publication number: CN218210150U
Application number: CN202222299788.3U
Authority: CN
Inventors: 闫涵; 孟清涛
Original assignee: Shaanxi Zhenghao New Energy Co ltd
Current assignee: Shaanxi Zhenghao New Energy Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-03
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a large-traffic heat exchanger of middle and deep layer geothermol power belongs to heat exchanger technical field. The device includes outer tube and interior sleeve pipe, and the outer tube bottom is provided with the fixed plate, has seted up a plurality of circulation holes on the fixed plate, and the fixed plate below is provided with a plurality of dispersion pipelines with the circulation hole intercommunication, dispersion pipeline's play water end and interior sleeve pipe lower extreme intercommunication, the utility model discloses a plurality of rings shape equidistant distribution's dispersion pipeline, be convenient for make heat transfer medium heated area increase, make the heat absorption of the large-traffic heat transfer medium outside and inboard even quick more, improve heat transfer rate to make heat exchange efficiency promote, make large-traffic heat transfer medium divide into a plurality of branches through setting up of dispersion pipeline, make the whole heat absorption of heat transfer medium more even.

Description

Medium-deep geothermal heat large-flow heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field, more specifically say, relate to a large-traffic heat exchanger of middle and deep layer geothermol power.

Background

The development and utilization of geothermal resources in the middle and deep layers are the most main fields of the development and utilization of geothermal resources at present, and the deep well heat exchange technology is the most environment-friendly development and utilization mode. At present, many urban environmental protection policies do not allow groundwater extraction, and the deep well heat exchange technology of 'no water is taken when heat is taken' also becomes a necessary trend for the development and utilization of the geothermal industry.

At present, a commonly used middle-deep geothermal heat exchanger is generally a double-pipe heat exchanger, a circulating medium absorbs heat of surrounding high-temperature rock masses in a downward flowing process from a gap between an outer pipe and an inner pipe, the temperature rises, and the circulating medium flows out of the heat exchanger from the inner pipe upwards at the bottom.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-traffic heat exchanger of middle and deep floor geothermol power to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a large-traffic heat exchanger of well deep geothermal heat, includes outer tube and interior sleeve pipe, the outer tube bottom is provided with the fixed plate, a plurality of through holes have been seted up on the fixed plate, the fixed plate below is provided with a plurality of dispersion pipelines with the through hole intercommunication, the play water end of dispersion pipeline with interior sleeve pipe lower extreme intercommunication.

Preferably, the circulation holes are annularly and equidistantly distributed, and the dispersion pipes are annularly and equidistantly distributed below the fixing plate.

Preferably, the safety device further comprises a mounting seat, the bottom end of the inner sleeve is mounted on the mounting seat, and a protective cylinder is arranged on the outer side wall of the mounting seat.

Preferably, the protection cylinder is of a net structure, the dispersing pipeline is arranged inside the protection cylinder, and the upper end of the protection cylinder is connected with the fixing plate.

Preferably, a sealing plug is arranged at the end part of the upper side of the outer sleeve, a liquid inlet pipe is arranged on the sealing plug, and the inner sleeve penetrates through the middle part of the sealing plug.

Preferably, the inner wall of the outer sleeve is provided with an insulating layer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the heat exchange device has the advantages that the heat exchange medium heating area is increased conveniently through the plurality of annular dispersion pipelines distributed at equal intervals, so that the heat absorption of the outer side and the inner side of the large-flow heat exchange medium is more uniform and rapid, the heat exchange speed is increased, and the heat exchange efficiency is improved; heat transfer medium gets into outer tube inflow opening, then get into in a plurality of dispersion pipelines, setting up through dispersion pipeline makes heat transfer medium divide into a plurality of branches, it is more even to make the whole heat absorption of heat transfer medium, and heat transfer rate improves, thereby make heat exchange efficiency promote, heat transfer medium gets into the import of dispersion pipeline upper end from the opening, then in the sleeve pipe is flowed into from the export of dispersion pipeline lower extreme, carried away, set up through protection barrel plays certain guard action to dispersion pipeline, protection barrel is network structure, it absorbs by the heat transfer medium in the dispersion pipeline to be convenient for heat energy entering protection barrel inside, the setting of sealing plug increases the leakproofness between sleeve pipe and the outer tube.

Drawings

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

fig. 2 is a schematic sectional view of the outer sleeve and the protective cylinder of the present invention.

The reference numbers in the figures illustrate: 1. an outer sleeve; 2. an inner sleeve; 3. a flow-through hole; 4. a dispersion pipe; 5. a mounting seat; 6. a protective cylinder; 7. a sealing plug; 8. a liquid inlet pipe; 9. a heat-insulating layer; 10. and (5) fixing the plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, a medium-deep geothermal heat mass flow heat exchanger includes an outer sleeve 1 and an inner sleeve 2, and is characterized in that: the bottom of outer tube 1 is provided with fixed plate 10, a plurality of opening 3 have been seted up on fixed plate 10, fixed plate 10 below is provided with a plurality of dispersion pipes 4 that communicate with opening 3, dispersion pipes 4's play water end and interior sleeve pipe 2 lower extreme intercommunication, through the heat transfer medium inflow opening 3 with in the outer tube 1, then get into a plurality of dispersion pipes 4, make heat transfer medium divide into a plurality of branches through dispersion pipes 4's setting, it is more even to make heat transfer medium whole heat absorption, and heat transfer rate improves, thereby make heat exchange efficiency promote, heat transfer medium gets into the import of dispersion pipes 4 upper end from opening 3, then in the sleeve pipe 2 is flowed into from the export of dispersion pipes 4 lower extreme, carried away.

The utility model discloses in, opening 3 is the equidistant distribution of annular, and dispersion pipeline 4 is the equidistant distribution of annular in fixed plate 10 below, through the equidistant distribution's of a plurality of annular dispersion pipeline 4, is convenient for make heat transfer medium heated area increase, makes the heat absorption in the large-traffic heat transfer medium outside and inboard more even, improves heat exchange efficiency.

The utility model discloses in, still include mount pad 5, interior sleeve pipe 2 bottom is installed on

mount pad

5, and 5 lateral walls of mount pad are provided with a protection section of thick bamboo 6, play certain guard action to scattered pipeline 4 through setting up of a protection section of thick bamboo 6.

The utility model discloses in, a protection section of thick bamboo 6 is network structure, and the heat energy of being convenient for gets into inside a protection section of thick bamboo 6, and dispersion pipeline 4 sets up inside a protection section of

thick bamboo

6, and 6 upper ends of a protection section of thick bamboo are connected with fixed plate 10.

The utility model discloses in, 1 side end on the outer tube is provided with sealing plug 7, increases the leakproofness between interior sleeve pipe 1 and the outer tube 2, is provided with feed liquor pipe 8 on the sealing plug 7, and interior sleeve pipe 2 passes sealing plug 7 middle part.

Wherein, the inner wall of the outer sleeve 1 is provided with a heat preservation layer 9, which is convenient for heat preservation of heat exchange medium.

The utility model discloses a plurality of rings shape equidistant distribution's dispersion pipeline 4, be convenient for make heat transfer medium heated area increase, make the heat absorption of the large-traffic heat transfer medium outside and inboard more even quick, improve heat transfer rate, thereby make heat exchange efficiency promote, heat transfer medium gets into outer tube 1 and flows in circulation hole 3, then get into a plurality of dispersion pipelines 4, make heat transfer medium divide into a plurality of branches through setting up of dispersion pipeline 4, it is more even to make the whole heat absorption of heat transfer medium, and heat transfer rate improves, thereby make heat transfer efficiency promote, heat transfer medium gets into the import of dispersion pipeline 4 upper end from circulation hole 3, then in sleeve pipe 2 is flowed in from the export of dispersion pipeline 4 lower extreme, carried away, setting through protective barrel 6 plays certain guard action to dispersion pipeline 4, protective barrel 6 is network structure, it absorbs by the heat transfer medium in the dispersion pipeline 4 to be convenient for heat energy gets into protective barrel 6 inside, sealing plug 7 sets up the leakproofness between sleeve pipe 1 and outer tube 2.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large-traffic heat exchanger of middle and deep floor geothermol power, includes outer tube (1) and interior sleeve pipe (2), its characterized in that: the bottom of the outer sleeve (1) is provided with a fixing plate (10), a plurality of circulation holes (3) are formed in the fixing plate (10), a plurality of dispersing pipelines (4) communicated with the circulation holes (3) are arranged below the fixing plate (10), and the water outlet ends of the dispersing pipelines (4) are communicated with the lower end of the inner sleeve (2).

2. The heat exchanger for large flow rate of geothermal heat at a medium and deep layer according to claim 1, characterized in that: the circulation holes (3) are distributed in an annular shape at equal intervals, and the dispersion pipelines (4) are distributed below the fixing plate (10) in an annular shape at equal intervals.

3. The heat exchanger for large flow rate of medium-deep geothermal heat according to claim 1, characterized in that: still include mount pad (5), interior sleeve pipe (2) bottom install in on mount pad (5), mount pad (5) lateral wall is provided with protective barrel (6).

4. The heat exchanger for large flow rate of geothermal heat at a medium and deep layer according to claim 3, characterized in that: the protective cylinder (6) is of a net structure, the dispersing pipeline (4) is arranged inside the protective cylinder (6), and the upper end of the protective cylinder (6) is connected with the fixing plate (10).

5. The heat exchanger for large flow rate of geothermal heat at a medium and deep layer according to claim 1, characterized in that: the sealing device is characterized in that a sealing plug (7) is arranged at the end part of the upper side of the outer sleeve (1), a liquid inlet pipe (8) is arranged on the sealing plug (7), and the inner sleeve (2) penetrates through the middle part of the sealing plug (7).

6. The heat exchanger for large flow rate of geothermal heat at a medium and deep layer according to claim 1, characterized in that: and the inner wall of the outer sleeve (1) is provided with a heat-insulating layer (9).