CN213066300U

CN213066300U - Ground source heat pump system with pile buried pipe

Info

Publication number: CN213066300U
Application number: CN202021861768.5U
Authority: CN
Inventors: 薛晓锋
Original assignee: Shanghai Luyu Engineering Design Management Co ltd
Current assignee: Shanghai Ideal Urban Architecture Planning And Design Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-27
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a ground source heat pump system with stake pipe laying, include: the system comprises a condenser, an evaporator, a compressor, a throttling device, a water collector, a water distributor, a plurality of pile buried pipes, a plurality of water collecting pipes and a plurality of water distributing pipes, wherein the pile buried pipes are correspondingly buried in a building pile, and two ends of each pile buried pipe are correspondingly connected with an inlet end of the water collector and an outlet end of the water distributor; and each well buried pipe is correspondingly buried in a non-building structure position, and two ends of each well buried pipe are correspondingly connected with the inlet end of the water collector and the outlet end of the water distributor. The ground source heat pump system with the pile buried pipe improves the utilization rate of the building foundation area and improves the heat source energy efficiency.

Description

Ground source heat pump system with pile buried pipe

Technical Field

The utility model relates to a geothermol power field, in particular to earth source heat pump system with stake pipe laying.

Background

The ground source heat pump is an efficient and energy-saving air conditioning system for heating in winter, refrigerating in summer and supplying domestic hot water. In the regions with abundant geothermal resources, the ground source heat pump can solve the problem of the sources of air conditioners and domestic hot water heat sources. However, the arrangement of the common buried pipe in the existing ground source heat pump system is not reasonable, geothermal energy is obtained by burying the pipe in the underground well, and the obtained heat source has lower energy efficiency. Therefore, there is a need for a ground source heat pump system capable of improving heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is made to solve the above problems, and an object of the present invention is to provide a ground source heat pump system with a buried pipe.

The utility model provides a ground source heat pump system with stake pipe laying has such characteristic, include: the system comprises a condenser, an evaporator, a compressor, a throttling device, a water collector, a water distributor, a plurality of pile buried pipes and a plurality of well buried pipes, wherein the condenser is provided with four connecting ports; the evaporator has four connection ports; the water collector has an outlet end and a plurality of inlet ends; the water separator has an inlet end and a plurality of outlet ends; the first port of the condenser is communicated with the water supply port of the air conditioner through a first pipeline, and a fifth valve is arranged on the first pipeline; the second port of the condenser is connected with one end of the compressor through a second pipeline, and the other end of the compressor is connected with the first port of the evaporator; the third port of the condenser is connected with the fourth port of the evaporator through a third pipeline, and the third pipeline is provided with a throttling device; the fourth port of the condenser is connected with the outlet end of the water collector through a fourth pipeline, and a second valve is arranged on the fourth pipeline; the third port of the evaporator is connected with the water return port of the air conditioner through a fifth pipeline, and a fourth valve is arranged on the fifth pipeline; the fourth pipeline and the fifth pipeline are connected through a sixth pipeline and a seventh pipeline respectively, the sixth pipeline is provided with a first valve, the seventh pipeline is provided with a third valve, and the second valve and the fourth valve are positioned between the sixth pipeline and the seventh pipeline; the second port of the evaporator is connected with one end of an eighth pipeline, a sixth valve is arranged on the eighth pipeline, and the other end of the eighth pipeline is connected between a fifth valve on the first pipeline and the water supply port of the air conditioner; the inlet end of the water separator is connected with one end of a ninth pipeline, an eighth valve is arranged on the ninth pipeline, and the other end of the ninth pipeline is connected between a fifth valve and a condenser on the first pipeline; the ninth pipeline is connected with the eighth pipeline through a tenth pipeline, and a seventh valve is arranged on the ninth pipeline; each pile buried pipe is correspondingly buried in one building pile, and two ends of each pile buried pipe are correspondingly connected with the inlet end of the water collector and the outlet end of the water distributor; and each well buried pipe is correspondingly buried in a non-building structure position, and two ends of each well buried pipe are correspondingly connected with the inlet end of the water collector and the outlet end of the water distributor.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: the pile buried pipes are distributed in a rectangular array of N rows and M columns, M pile buried pipes in each row are communicated, and the pile buried pipes in different rows are not communicated with each other.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, the burying depth of the building pile with the pile burying pipe is 20m underground.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, the well drilling depth of the well buried pipe is 90m underground, and the well drilling diameter is 150 mm.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, each inlet end pipeline of the water separator is provided with a valve; and each outlet end pipeline of the water collector is provided with a valve.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, the throttling device is a throttling valve.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, the compressor is a single screw compressor.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, the pile buried pipe and the well buried pipe both adopt U-shaped pipes.

The utility model provides an in the ground source heat pump system with stake buried pipe, can also have such characteristic: wherein, thermocouples used for temperature monitoring are also embedded beside the pile buried pipe and the well buried pipe.

The utility model discloses an effect and effect:

the utility model provides a ground source heat pump system with stake buried pipe has improved the utilization ratio of building ground area, not only is provided with the well buried pipe in non-building structure position, also is provided with the stake buried pipe in the building stake, has improved the thermal efficiency of acquireing the ground source like this greatly, has also improved to the thermal efficiency of underground release, also can use in the golden city section in cun gold, has reduced the use of cooling tower simultaneously, has reduced the heat sink.

Drawings

Fig. 1 is a schematic pipeline diagram of a ground source heat pump system with a buried pipe in an embodiment of the present invention;

fig. 2 is a schematic view (top view) illustrating connection between a plurality of buried pipes, a water separator and a water collector according to an embodiment of the present invention, in which the solid line is a buried water supply pipeline and the dotted arrow is a buried water return pipeline;

fig. 3 is a layout diagram of thermocouples in an embodiment of the present invention.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, the following embodiment is combined with the accompanying drawings to be specific to the ground source heat pump system with the pipe laying in the pile of the utility model.

< example >

As shown in fig. 1, a ground source heat pump system with a buried pipe includes: the system comprises a condenser 10, an evaporator 11, a compressor 12, a throttling device 13, a water collector 14, a water separator 15, a plurality of pile buried pipes 16 (only one is shown in figure 1), a plurality of well buried pipes 17 (only one is shown in figure 1) and two water pumps 18.

The condenser 10 has four connection ports. The evaporator 11 has four connection ports. The water collector 14 has an outlet end and a plurality of inlet ends, and the water collector 14 is a water collecting device for connecting the buried pipe return pipes. The water separator 15 has an inlet end and a plurality of outlet ends, and the water separator 15 is a water distribution device for connecting the buried water supply pipes. The water pump 18 is used to provide a source of water flow.

The first port of the condenser 10 is communicated with the air conditioner water supply port through a first pipeline 21, and a fifth valve 5 is arranged on the first pipeline 21. The second port of the condenser 10 is connected to one end of the compressor 12 through a second pipe 22, and the other end of the compressor 12 is connected to the first port of the evaporator 11. The compressor 12 is a single screw compressor 12 in this embodiment. The third port of the condenser 10 is connected to the fourth port of the evaporator 11 via a third pipe 23, and a throttle device 13 is disposed on the third pipe 23. The throttle device 13 is a throttle valve in this embodiment. The fourth port of the condenser 10 is connected to the outlet end of the water collector 14 through a fourth pipeline 24, and the fourth pipeline 24 is provided with a second valve 2.

The third port of the evaporator 11 is connected with the return water port of the air conditioner through a fifth pipeline 25, and a fourth valve 4 is arranged on the fifth pipeline 25. The fourth pipeline 24 and the fifth pipeline 25 are connected through a sixth pipeline 26 and a seventh pipeline 27 respectively, the sixth pipeline 26 is provided with a first valve 1, the seventh pipeline 27 is provided with a third valve 3, and the second valve 2 and the fourth valve 4 are located between the sixth pipeline 26 and the seventh pipeline 27. A second port of the evaporator 11 is connected with one end of an eighth pipeline 28, a sixth valve 6 is arranged on the eighth pipeline 28, and the other end of the eighth pipeline 28 is connected between a fifth valve 5 on the first pipeline 21 and a water supply port of the air conditioner.

The inlet end of the water separator 15 is connected to one end of a ninth pipeline 29, an eighth valve 8 is arranged on the ninth pipeline 29, and the other end of the ninth pipeline 29 is connected between the fifth valve 5 on the first pipeline 21 and the condenser 10. The ninth pipe 29 and the eighth pipe 28 are connected by a tenth pipe 30, and the ninth pipe 29 is provided with a seventh valve 7.

As shown in fig. 1 and 2, each pile burying pipe 16 is vertically buried in one building pile 161. The stake buried pipe adopts the U type pipe of High Density Polyethylene (HDPE) material, and the size cooperatees the setting according to building pile 161 size, and stake buried pipe buries in building pile in advance when making building pile, together buries underground together with building pile in later the work progress. As shown in fig. 3, the construction pile with the pile burying pipe 16 has a burying depth of 20m underground (a size is 20m as shown in fig. 3) and a width of 0.3m (c size is 0.3m as shown in fig. 3). As shown in fig. 2, when viewed from the top, the plurality of buried pipes are distributed in a rectangular array of N rows × M columns, and in this embodiment, 4 rows × 6 columns of buried pipes are illustrated. The two ends of each pile burying pipe 16 are correspondingly connected with the inlet end of the water collector 14 and the outlet end of the water separator 15, as shown in fig. 2, in the embodiment, 6 pile burying pipes 16 in each row are communicated with each other, and the pile burying pipes 16 in different rows are not communicated with each other. The 6 buried pipes in each row are connected with one inlet end of the water separator 15 through a main pipeline, and each inlet end pipeline of the water separator 15 is provided with a valve.

The 6 pile burying pipes in each row are connected with an outlet end of the water collector 14 through a main pipe, and each outlet end pipe of the water collector 14 is provided with a valve. The valves of the inlet pipe of the water separator and the outlet pipe of the water collector are centrally located in the same valve service room 19 for centralized and convenient operation and maintenance, the valve service room 19 being illustrated in fig. 2.

Each well buried pipe 17 is correspondingly buried at a non-building structure position, and two ends of each well buried pipe 17 are correspondingly connected with the inlet end of the water collector 14 and the outlet end of the water separator 15. As shown in fig. 3, the well bore depth of the well buried pipe 17 is 90m underground (the dimension of b shown in fig. 3 is 90m), and the well bore diameter is 150mm (the dimension of d shown in fig. 3 is 150 mm). The pile buried pipe is a U-shaped pipe made of high-density polyethylene (HDPE) materials, the size of the pile buried pipe is matched with that of the drilling well, and the well buried pipe 17 is vertically buried.

Thermocouples for temperature monitoring are also embedded alongside the pile and well buried

pipes

16 and 17 as shown in figure 3. In FIG. 3, the symbols 1 to

There are 14 temperature measuring points with thermocouples. The thermocouples are buried beside the side of the pile buried pipe 16, are 0.5m away from the central axis of the pile buried pipe 16, and are distributed equidistantly from top to bottom;

to

The thermocouple is buried beside the well buried pipe 17, is 0.5m away from the central axis of the well buried pipe 17, and

to

Are equidistantly distributed from top to bottom; the uppermost thermocouple in the vertical direction (i) and

4m away from the ground, a thermocouple positioned below the thermocouple II is 4m away from the thermocouple I,

and

and 4m (f is 4m in size in fig. 3), and the upper thermocouple and the lower thermocouple are sequentially arranged at a distance of 4 m. Thermocouple (from fifth to third) is placed between pile buried pipe 16 and well buried pipe 17, depth from fifth to third is 8m, thermocouple (from fifth to third),

Are arranged equidistantly in the horizontal direction with a pitch of 0.5m (the e-dimension shown in fig. 3 is 0.5 m). In the embodiment, the thermocouple adopts a copper-constantan armored thermocouple, the thermocouple is electrically connected with an external power transmitter for power amplification, a signal converter for signal conversion and an upper computer, temperature measurement data can be displayed on the upper computer, and the change of the soil temperature before and after the running of the ground source heat pump system with the pile buried pipe can be conveniently observed.

The utility model discloses a ground source heat pump system with stake pipe laying's working process as follows:

after the system is powered on and used for the refrigeration working condition, the valves 1, 3, 5 and 7 are opened, the valves 2, 4, 6 and 8 are closed, and heat is released into soil through condensation carrier circulation. When the refrigeration system is used in a refrigeration working condition, the valves 2, 4, 6 and 8 are opened, the valves 1, 3, 5 and 7 are closed, and heat is absorbed from underground soil. When the system works, the change of the soil temperature before and after the system runs can be observed through the temperature data of the 14 temperature measuring points displayed on the upper computer.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A ground source heat pump system with a pile pipe laying is characterized by comprising: a condenser, an evaporator, a compressor, a throttling device, a water collector, a water distributor, a plurality of pile buried pipes and a plurality of well buried pipes,

wherein the condenser has four connection ports;

the evaporator has four connection ports;

said water collector having an outlet end and a plurality of inlet ends;

the water separator has an inlet end and a plurality of outlet ends;

a first port of the condenser is communicated with a water supply port of the air conditioner through a first pipeline, and a fifth valve is arranged on the first pipeline;

a second port of the condenser is connected with one end of the compressor through a second pipeline, and the other end of the compressor is connected with a first port of the evaporator;

the third port of the condenser is connected with the fourth port of the evaporator through a third pipeline, and a throttling device is arranged on the third pipeline;

a fourth port of the condenser is connected with the outlet end of the water collector through a fourth pipeline, and a second valve is arranged on the fourth pipeline;

the third port of the evaporator is connected with a water return port of the air conditioner through a fifth pipeline, and a fourth valve is arranged on the fifth pipeline;

the fourth pipeline and the fifth pipeline are connected through a sixth pipeline and a seventh pipeline respectively, a first valve is arranged on the sixth pipeline, a third valve is arranged on the seventh pipeline, and the second valve and the fourth valve are located between the sixth pipeline and the seventh pipeline;

a second port of the evaporator is connected with one end of an eighth pipeline, a sixth valve is arranged on the eighth pipeline, and the other end of the eighth pipeline is connected between the fifth valve on the first pipeline and the water supply port of the air conditioner;

the inlet end of the water separator is connected with one end of a ninth pipeline, an eighth valve is arranged on the ninth pipeline, and the other end of the ninth pipeline is connected between the fifth valve and the condenser on the first pipeline;

the ninth pipeline is connected with the eighth pipeline through a tenth pipeline, and a seventh valve is arranged on the ninth pipeline;

each pile buried pipe is correspondingly buried in a building pile, and two ends of each pile buried pipe are correspondingly connected with the inlet end of the water collector and the outlet end of the water distributor;

and each well buried pipe is correspondingly buried in a non-building structure position, and two ends of each well buried pipe are correspondingly connected with the inlet end of the water collector and the outlet end of the water distributor.

2. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

the pile buried pipes are distributed in a rectangular array of N rows and M columns, M pile buried pipes in each row are communicated, and the pile buried pipes in different rows are not communicated with each other.

3. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein, the burying depth of the building pile with the pile burying pipe is 20m underground.

4. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

the well drilling depth of the well buried pipe is 90m underground, and the well drilling diameter is 150 mm.

5. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein, each inlet end pipeline of the water separator is respectively provided with a valve;

and each outlet end pipeline of the water collector is provided with a valve.

6. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein the throttling device is a throttling valve.

7. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein the compressor is a single screw compressor.

8. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein, the pile buried pipe and the well buried pipe are U-shaped pipes.

9. A ground source heat pump system with a buried pipe according to claim 1, characterized in that:

wherein thermocouples for monitoring temperature are embedded beside the pile buried pipe and the well buried pipe.