CN210035923U

CN210035923U - Geothermal well heat exchanger

Info

Publication number: CN210035923U
Application number: CN201920386652.1U
Authority: CN
Inventors: 何欣
Original assignee: Source World Shaanxi New Forms Of Energy Investment Co Ltd
Current assignee: Source World Shaanxi New Forms Of Energy Investment Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-02-07
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a geothermal well heat exchanger, which comprises a housin, the casing divide into workspace and lower workspace through the baffle of horizontal setting, it divide into through the riser of perpendicular setting and connects piping chamber and filter chamber to go up the workspace, fixed mounting has the heat exchange tank in the workspace down. The utility model solves the problems that the geothermal water in the heat exchanger has more impurities and the pipeline of the heat exchanger is easy to be blocked; and the contact stroke of cold fluid and hot fluid in the heat exchanger is short, the heat exchange between the cold fluid and the hot fluid is insufficient, and the heat exchange effect is poor. Has the advantages of simple structure and convenient use.

Description

Geothermal well heat exchanger

Technical Field

The utility model relates to a heat exchanger field, in particular to geothermal well heat exchanger.

Background

Geothermal energy is divided into high-temperature geothermal energy, medium-temperature geothermal energy and low-temperature geothermal energy according to temperature. High-temperature geothermal heat existing in the form of steam at the temperature higher than 150 ℃; medium-temperature geothermal heat existing in the form of a mixture of water and steam at 90-150 ℃; the low-temperature geothermal energy exists in the forms of warm water, warm hot water, hot water and the like at the temperature of between 25 and 90 ℃.

Low temperature geothermal heat is mainly used for heating, greenhouses, hot water for home use, bathing, and the like. In practical application, geothermal water is used for heating cold fluid through a heat exchanger, and the geothermal water can be reused after heat exchange. However, geothermal water directly extracted contains more impurities, and when geothermal water flows into a heat exchanger for heat exchange, the impurities are easy to precipitate in the heat exchanger, so that the heat exchanger is blocked; and the geothermal water without impurity removal can not reach the life use label, so the geothermal well heat exchanger capable of removing the geothermal water impurities needs to be designed.

In addition, the contact stroke of cold fluid and hot fluid in the existing heat exchanger is short, the heat exchange between the cold fluid and the hot fluid is insufficient, and the heat exchange effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a geothermal well heat exchanger, which solves the problems that geothermal water in the heat exchanger has more impurities and the pipeline of the heat exchanger is easy to be blocked; and the contact stroke of cold fluid and hot fluid in the heat exchanger is short, the heat exchange between the cold fluid and the hot fluid is insufficient, and the heat exchange effect is poor. Has the advantages of simple structure and convenient use.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a geothermal well heat exchanger, includes the casing, the casing includes last workspace and lower workspace that communicate each other, it includes the takeover room and the filter chamber of intercommunication each other to go up the workspace, the filter chamber intercommunication has the water inlet, takeover room intercommunication has the air inlet, down the workspace include with the heat transfer jar of takeover room intercommunication, heat transfer jar intercommunication has delivery port and gas vent, be provided with the filter tube in the filter chamber, the filter tube is connected to form by logical chamber portion and filter house, evenly be provided with a plurality of logical chambeies in leading to the chamber portion, the filter house is the toper, the filter house is by being close to lead to the one end of chamber portion to keeping away from the other end of leading to the chamber portion diminishes gradually, evenly pack in the filter house has the activated carbon granule.

Adopt above-mentioned technical scheme, lead to the geothermal water in the filter tube in the filter chamber through the water inlet, the chamber portion that leads to of filter tube divides the geothermal water earlier, then flows into the filter house, and the impurity of filter house in with the geothermal water adsorbs the filtration, filters the impurity in the geothermal water, has reduced the condition that the jam appears in the heat exchanger pipeline, and makes geothermal water reach the standard of using.

More preferably: the through cavities are distributed along the circumference array of the central shaft of the through cavity part.

By adopting the technical scheme, the cavity part is better in filtering effect after shunting geothermal water.

More preferably: the filter tube is provided with a plurality of.

By adopting the technical scheme, one filter pipe or a plurality of filter pipes can be selected and used according to production requirements.

More preferably: one end of the filtering part is detachably connected with the cavity part, and the other end of the filtering part is detachably connected with the connecting pipe chamber.

By adopting the technical scheme, the filter part can be replaced after being used, so that the production cost is saved.

More preferably: the indoor inlet tube that is provided with the filter house intercommunication of takeover, fixed mounting has the solenoid valve on the inlet tube.

By adopting the technical scheme, the water inflow of the heat exchanger can be controlled by adjusting the electromagnetic valve switch according to production requirements.

More preferably: the heat exchange tank is divided into a liquid inlet cavity, a heat exchange cavity and a liquid discharge cavity by two vertically arranged tube plates, a heat transfer pipe communicated with the liquid inlet cavity and the liquid discharge cavity is arranged in the heat exchange cavity, the liquid inlet cavity is communicated with the water inlet pipe through a guide pipe, the liquid discharge cavity is communicated with the water outlet, the heat exchange cavity is communicated with the air inlet through a gas pipe, and the heat exchange cavity is communicated with the air outlet through an exhaust pipe.

By adopting the technical scheme, the filtered geothermal water flows into the tube side of the heat exchange cavity through the liquid inlet cavity, the cold air needing heat exchange flows into the cavity side of the heat exchange cavity from the air inlet through the air delivery pipe, and the geothermal water and the cold air exchange heat and then flow out through the water outlet and the air outlet respectively for use.

More preferably: the heat transfer pipe is provided with a plurality of pipes.

By adopting the technical scheme, the filtered geothermal water flows into the plurality of heat transfer pipes through shunting, so that the contact area between the filtered geothermal water and the cold air is increased, the heat exchange between the filtered geothermal water and the cold air is more sufficient, and the heat exchange effect is better.

More preferably: the two vertically arranged tube plates are respectively a floating head tube plate and a fixed plate.

By adopting the technical scheme, when the heat transfer pipe is subjected to thermal expansion, the floating head pipe plate can move freely, so that the equipment is more durable, and meanwhile, the heat transfer pipe can be drawn out through the design of the floating head pipe plate, so that the cleaning between the pipes and in the pipes is facilitated.

More preferably: and a plurality of baffle plates vertical to the heat transfer pipe are arranged in the heat exchange cavity.

By adopting the technical scheme, the gas has longer flowing stroke in the heat exchange cavity by arranging the baffle plate, the heat exchange between the gas and the filtered geothermal water is sufficient, and the heat exchange effect is good.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which illustrates a specific structure of the whole geothermal well heat exchanger;

FIG. 2 is a schematic structural view of the through cavity part in FIG. 1;

in the figure, 1, a housing; 2. an upper working area; 3. a lower working area; 4. a tube receiving chamber; 41. a water inlet pipe; 42. a conduit; 43. a gas delivery pipe; 44. an electromagnetic valve; 5. a filtering chamber; 51. a filter tube; 52. a through cavity part; 521. a cavity is communicated; 53. a filtering part; 6. a heat exchange tank; 61. a liquid inlet cavity; 62. a heat exchange cavity; 63. a liquid discharge cavity; 64. a floating head tube plate; 65. a fixing plate; 66. a heat transfer tube; 67. a baffle plate; 68. an exhaust pipe; 7. a water inlet; 8. an air inlet; 9. a water outlet; 10. and (7) an exhaust port.

Detailed Description

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

A geothermal well heat exchanger is used for removing impurities in geothermal water.

Referring to fig. 2, as shown in fig. 1, the device comprises a housing 1, wherein the housing 1 is divided into an upper working area 2 and a lower working area 3 by a transverse partition plate, and the upper working area 2 and the lower working area 3 are communicated with each other. Go up workspace 2 and divide into the takeover room 4 on the left and the filter chamber 5 on the right through the riser of perpendicular setting, takeover room 4 with filter chamber 5 communicates each other, filter chamber 5 communicates has water inlet 7, takeover room 4 communicates has air inlet 8. The lower working area 3 comprises a heat exchange tank 6 communicated with the pipe receiving chamber 4, and the heat exchange tank 6 is communicated with a water outlet 9 and an exhaust port 10.

Two filter pipes 51 are horizontally arranged in the filter chamber 5, each filter pipe is respectively communicated with one water inlet, and each filter pipe 51 is formed by connecting a cavity part 52 and a filter part 53. One end of the filter part 53 is detachably connected to the through-chamber part 52, and the other end of the filter part 53 is detachably connected to the tube receiving chamber 4. A plurality of through cavities 521 are uniformly arranged in the through cavity part 52, and the through cavities 521 are circumferentially distributed along the central axis of the through cavity part 52. The filtering part 53 is conical, the filtering part 53 gradually decreases from one end close to the through cavity part 52 to the other end far away from the through cavity part 52, and activated carbon granules are uniformly filled in the filtering part 53. The through chamber portion 52 communicates with the water inlet 7.

Two water inlet pipes 41, a guide pipe 42 and a gas pipe 43 are arranged in the pipe connecting chamber 4. One end of each of the two water inlet pipes 41 is respectively communicated with the two filtering pipes 51, the other end of each of the two water inlet pipes 41 is communicated with the guide pipe 42, and the water inlet pipe 41 is fixedly provided with an electromagnetic valve 44. The conduit 42 communicates with the heat exchange tank 6. One end of the air conveying pipe 43 is communicated with the air inlet 8, and the other end of the air conveying pipe 43 is communicated with the heat exchange tank 6.

The heat exchange tank 6 is divided into a liquid inlet cavity 61, a heat exchange cavity 62 and a liquid outlet cavity 63 by two vertically arranged tube plates, namely a floating head tube plate 64 and a fixed plate 65. The floating head tube plate 64 is positioned between the liquid inlet cavity 61 and the heat exchange cavity 62, and the fixing plate 65 is positioned between the heat exchange cavity 62 and the liquid outlet cavity 63. A heat transfer pipe 66 communicating the liquid inlet cavity 61 and the liquid outlet cavity 63 is arranged in the heat exchange cavity 62, and a plurality of heat transfer pipes 66 are arranged. A plurality of baffle plates 67 vertical to the heat transfer pipes 66 are arranged in the heat exchange cavity 62, and the baffle plates 67 are semicircular. The liquid inlet cavity 61 is communicated with the water inlet pipe 41 through a guide pipe 42, the liquid outlet cavity 63 is communicated with the water outlet 9, the heat exchange cavity 62 is communicated with the air inlet 8 through a gas conveying pipe 43, and the heat exchange cavity 62 is communicated with the air outlet 10 through an exhaust pipe 68.

During the use, geothermal water flows into through the water inlet 7 filter tube 51, the logical chamber portion 52 of filter tube 51 is shunted geothermal water through a plurality of logical chambeies 521, then geothermal water flows into filter 53, filter 53 filters the impurity in geothermal water, reaches the effect of purification geothermal water. The filtered geothermal water is gathered to the conduit 42 through the water inlet pipe 41, the conduit 42 guides the filtered geothermal water into the liquid inlet cavity 61, and then the filtered geothermal water flows into the heat transfer pipe 66 of the heat exchange cavity 62 through the liquid inlet cavity 61. Meanwhile, the gas needing heat exchange flows into the gas conveying pipe 43 through the gas inlet 8 and then flows into the cavity of the heat exchange cavity 62 through the gas conveying pipe 43. Therefore, the geothermal water in the heat transfer pipe 66 and the gas in the cavity side of the heat exchange cavity 62 can fully exchange heat, and the geothermal water and the gas which exchange heat respectively flow out through the water outlet 9 and the air outlet 10 for use.

When the filtering part 53 is used for a long time and the filtering effect is poor, the filtering part 53 can be taken down, and the activated carbon in the filtering part 53 is replaced for continuous use, so that the production cost can be saved.

Meanwhile, when the geothermal water quantity required by production is reduced, the water inlet pipe is closed by controlling the electromagnetic valve 44 on the water inlet pipe 41, so that the water inflow of the geothermal water can be controlled, and the use is convenient.

In summary, the utility model solves the problems that the geothermal water in the heat exchanger has more impurities and the pipeline of the heat exchanger is easy to be blocked; and the contact stroke of cold fluid and hot fluid in the heat exchanger is short, the heat exchange between the cold fluid and the hot fluid is insufficient, and the heat exchange effect is poor. Has the advantages of simple structure and convenient use.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides a geothermal well heat exchanger, includes casing (1), casing (1) is including last workspace (2) and lower workspace (3) that communicate each other, it connects piping chamber (4) and filter chamber (5) including intercommunication each other to go up workspace (2), filter chamber (5) intercommunication has water inlet (7), it has air inlet (8) to connect piping chamber (4) intercommunication, lower workspace (3) include with connect heat exchange tank (6) of piping chamber (4) intercommunication, heat exchange tank (6) intercommunication has delivery port (9) and gas vent (10), its characterized in that: the filter chamber is characterized in that a filter pipe (51) is arranged in the filter chamber (5), the filter pipe (51) is formed by connecting a through chamber part (52) and a filter part (53), a plurality of through chambers (521) are uniformly arranged in the through chamber part (52), the filter part (53) is conical, the filter part (53) is gradually reduced from one end close to the through chamber part (52) to the other end far away from the through chamber part (52), and activated carbon granules are uniformly filled in the filter part (53).

2. The geothermal well heat exchanger according to claim 1, wherein: the through cavities (521) are circumferentially distributed along a central axis of the through cavity part (52).

3. The geothermal well heat exchanger according to claim 1, wherein: the filter pipe (51) is provided in plurality.

4. The geothermal well heat exchanger according to claim 1, wherein: one end of the filter part (53) is detachably connected with the through cavity part (52), and the other end of the filter part (53) is detachably connected with the pipe receiving chamber (4).

5. The geothermal well heat exchanger according to claim 4, wherein: a water inlet pipe (41) communicated with the filtering part (53) is arranged in the pipe connecting chamber (4), and an electromagnetic valve (44) is fixedly arranged on the water inlet pipe (41).

6. The geothermal well heat exchanger according to claim 5, wherein: the heat exchange tank (6) is divided into a liquid inlet cavity (61), a heat exchange cavity (62) and a liquid discharge cavity (63) through two vertically arranged tube plates, a communicating pipe is arranged in the heat exchange cavity (62), the liquid inlet cavity (61) and a heat transfer pipe (66) of the liquid discharge cavity (63) are communicated, the liquid inlet cavity (61) is communicated with the water inlet pipe (41) through a guide pipe (42), the liquid discharge cavity (63) is communicated with the water outlet (9), the heat exchange cavity (62) is communicated with the air inlet (8) through a gas pipe (43), and the heat exchange cavity (62) is communicated with the air outlet (10) through an exhaust pipe (68).

7. The geothermal well heat exchanger according to claim 6, wherein: the heat transfer pipe (66) is provided with a plurality of pipes.

8. The geothermal well heat exchanger according to claim 6, wherein: the two vertically arranged tube plates are respectively a floating head tube plate (64) and a fixed plate (65).

9. The geothermal well heat exchanger according to claim 6, wherein: and a plurality of baffle plates (67) which are vertical to the heat transfer pipe (66) are arranged in the heat exchange cavity (62).