Multi-energy coupling heat pump allocation device

Abstract

The utility model relates to the technical field of central heating, in particular to a multi-energy coupling heat pump allocation device which comprises a condenser header pipe and an evaporator header pipe. The system further comprises a low-temperature heat pump unit P1, a high-temperature heat pump unit P2, a cooling tower, a middle-deep layer geothermal source serving as a heat source, a shallow layer geothermal source, a reclaimed water end, a residential building end needing heat supply and a public building end needing heat supply. According to the embodiment of the invention, the reclaimed water end, the shallow-layer geothermal source and the middle-deep-layer geothermal source are combined for networking, the high-temperature heat pump unit and the low-temperature heat pump unit which are controllable in load distribution are used for co-allocation, energy consumption and carbon emission are reduced, the heat sources are controlled by the switching valve group and the isolating valve group, and energy consumption is reduced. The blending mode is simple, convenient and flexible, and the applicability is high.

Description

Technical Field

[0001] The present application relates to the technical field of centralized heating, and in particular to a multi-energy coupled heat pump deployment device. Background Art

[0002] Traditional methods of centralized heating generally involve burning coal or gas, which has high carbon emissions and high energy consumption during equipment and transportation. The use of new geothermal source networking methods is more complicated and has lower applicability. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the present application provides a multi-energy coupled heat pump allocation device. The embodiment of the present application reduces energy consumption and carbon emissions by networking the regenerated water end, shallow geothermal source and medium and deep geothermal source, and using high-temperature heat pump units and low-temperature heat pump units with controllable load distribution to jointly allocate them. In addition, switching valve groups and isolation valve groups are used to control multiple heat sources, and the allocation method is simple, flexible and highly applicable.

[0004] The above-mentioned application objectives of this application are achieved through the following technical solutions:

[0005] A multi-energy coupling heat pump deployment device includes a condenser main pipe and an evaporator main pipe, a low-temperature heat pump unit P1, a high-temperature heat pump unit P2, a cooling tower, a medium-deep geothermal source as a heat source, a shallow geothermal source and a recycled water terminal, as well as a residential building terminal and a public building terminal requiring heating;

[0006] The input and output ends of the low-temperature heat pump unit P1, the high-temperature heat pump unit P2, the medium-deep geothermal source, the shallow geothermal source, the recycled water end, the cooling tower, the residential building end, and the public building end are respectively connected to the condenser main pipe and the evaporator main pipe;

[0007] The condenser main pipe and the evaporator main pipe are equipped with isolation valve groups F6, F7, F12 and F13 for adjusting the load distribution of the low-temperature heat pump unit P1 and the high-temperature heat pump unit P2;

[0008] The condenser main pipe and evaporator main pipe are also equipped with switching valve groups F1 and F2 for controlling the output of shallow geothermal sources, switching valve groups F3 and F4 for controlling the input at the public building end, and switching valve group F5 for controlling the input at the residential building end.

[0009] Optionally, the low-temperature heat pump unit P1 includes a low-temperature centrifugal heat pump unit and a low-temperature screw heat pump unit, the evaporators of the low-temperature centrifugal heat pump unit and the low-temperature screw heat pump unit are both connected to the evaporator main pipe, and the condensers of the low-temperature centrifugal heat pump unit and the low-temperature screw heat pump unit are both connected to the condenser main pipe.

[0010] Optionally, the condenser main pipe and the evaporator main pipe are provided with a shut-off valve group F8 and a shut-off valve group F9 for adjusting the load distribution of the low-temperature centrifugal heat pump unit and the low-temperature screw heat pump unit. The shut-off valve group F8 and the shut-off valve group F9 are located between the low-temperature centrifugal heat pump unit and the low-temperature screw heat pump unit.

[0011] Optionally, the high-temperature heat pump unit P2 includes a high-temperature centrifugal heat pump unit and a high-temperature screw heat pump unit, the evaporators of the high-temperature centrifugal heat pump unit and the high-temperature screw heat pump unit are both connected to the evaporator main pipe, and the condensers of the high-temperature centrifugal heat pump unit and the high-temperature screw heat pump unit are both connected to the condenser main pipe.

[0012] Optionally, the condenser main pipe and the evaporator main pipe are provided with a shut-off valve group F10 and a shut-off valve group F11 for adjusting the load distribution of the high-temperature centrifugal heat pump unit and the high-temperature screw heat pump unit. The shut-off valve group F10 and the shut-off valve group F11 are located between the high-temperature centrifugal heat pump unit and the high-temperature screw heat pump unit.

[0013] In summary, this application has the following beneficial technical effects:

[0014] The embodiment of the present application reduces energy consumption and carbon emissions by networking the regenerated water end, shallow geothermal sources and medium-deep geothermal sources, and jointly deploying high-temperature heat pump units and low-temperature heat pump units with controllable load distribution. In addition, switching valve groups and isolation valve groups are used to control multiple heat sources, and the deployment method is simple, flexible and highly applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of pipe layout according to one embodiment of the present application.

[0016] Reference numerals: 1. Low-temperature centrifugal heat pump unit; 2. Low-temperature screw heat pump unit; 3. High-temperature centrifugal heat pump unit; 4. High-temperature screw heat pump unit; 5. Shallow geothermal source; 6. Medium-deep geothermal source; 7. Cooling tower; 8. Circulating water pump; 9. Heating water pump for residential buildings; 10. Air conditioning water pump for public buildings;

[0017] P1, low-temperature heat pump unit; P2, high-temperature heat pump unit;

[0018] F1-F5, switching valve group; F6-F13 isolation valve group. DETAILED DESCRIPTION

[0019] The present application is further described in detail below with reference to the accompanying drawings.

[0020] The embodiment of the present application provides a multi-energy coupled heat pump deployment device, including a condenser main pipe and an evaporator main pipe;

[0021] It also includes a low-temperature heat pump unit P1, a high-temperature heat pump unit P2, a cooling tower 7, a medium-deep geothermal source 6 as a heat / cold source, a shallow geothermal source 5, a recycled water terminal, and residential buildings and public buildings that require heating.

[0022] The input and output ends of the low-temperature heat pump unit P1, the high-temperature heat pump unit P2, the medium-deep geothermal source 6, the shallow geothermal source 5, the recycled water end, the cooling tower 7, the residential building end, and the public building end are respectively connected to the condenser main pipe and the evaporator main pipe;

[0023] The condenser main pipe and the evaporator main pipe are equipped with isolation valve groups F6, F7, F12 and F13 for adjusting the load distribution of the low-temperature heat pump unit P1 and the high-temperature heat pump unit P2;

[0024] The condenser main pipe and the evaporator main pipe are also provided with switching valve groups F1 and F2 for controlling the output of the shallow geothermal source 5, switching valve groups F3 and F4 for controlling the input at the public building end, and switching valve group F5 for controlling the input at the residential building end.

[0025] The following is a further introduction based on specific usage scenarios.

[0026] The multi-energy coupling heat pump allocation device provided in the embodiment of the present application can achieve heating of buildings with different heating needs by adjusting the switching valve group F1-F2 and the isolation valve group F6-F11 for different heat sources:

[0027] (1) The medium-deep geothermal source 6 (25 / 10℃) is used for independent heating. The medium-deep geothermal resources are safe, stable, and not affected by seasonal and diurnal changes. The geothermal temperature is increased by heat pumps, which makes efficient use of geothermal resources. It can replace coal and natural gas heating in some areas. It is a low-carbon, energy-saving, and efficient distributed heating type.

[0028] a. 24-hour continuous floor radiant heating (45 / 35°C) is provided to the residential building alone. Isolation valve groups F-6 and F-7 are closed. The heat energy required by the residential building is lower than that required by the public building. Therefore, when providing heat to the residential building alone, the low-temperature heat pump unit P1 uses the medium-deep geothermal source 6 as the heat source to provide heat to the residential building alone. The high-temperature heat pump unit P2 is not required to intervene, which reduces equipment power consumption, reduces losses during the transmission process of the medium-deep geothermal source 6, and reduces energy consumption.

[0029] b. Provide intermittent heating (45 / 40°C) for 12 hours to public buildings alone. The switching valve group F5 and the isolation valve group F6 are closed, and the isolation valve group F7 is open. The required heat energy at the public building end is higher than that at the residential building end. The low-temperature heat pump unit P1 and the high-temperature heat pump unit P2 are required to be jointly intervened. The medium-deep geothermal source 6 is used as the heat source to provide heat to the public building end alone. The allocation only requires controlling the isolation valve group and the switching valve group, and the allocation method is simple and flexible.

[0030] c. Combined floor radiant heating for residential buildings (45 / 35°C) and air-conditioning heating for public buildings (45 / 40°C) are provided. The isolation valve group F6 is closed, the switching valve group F5 and the isolation valve group F7 are opened, and the low-temperature heat pump unit P1 and the high-temperature heat pump unit P2 are jointly engaged. The medium-deep geothermal source 6 is used as the heat source to jointly supply heat to the public and residential buildings. The allocation only requires controlling the isolation valve group and the switching valve group, and the allocation method is simple and flexible.

[0031] (2) Shallow geothermal source 5 - Shallow geothermal buried pipe (10 / 5℃) provides heat separately. Shallow geothermal heat source heat pump uses water and ground energy (groundwater, soil or surface water) to exchange heat. In winter, the heat in the ground energy is extracted to supply indoor heating; in summer, the indoor heat is extracted and released into groundwater, soil or surface water to achieve winter heating and summer cooling.

[0032] a. Isolation valve group F6 is closed, isolation valve group F7 is open, and 24-hour continuous floor radiant heating (45 / 35℃) is provided to the residential building alone;

[0033] b. Isolation valve group F-6 and isolation valve group F-7 are closed, and 12-hour intermittent air conditioning and heating (45 / 40℃) are provided to public buildings alone;

[0034] c. Isolation valve group F6 is closed and isolation valve group F7 is opened, jointly providing floor radiant heating for residential buildings (45 / 35℃) and air conditioning heating for public buildings (45 / 40℃).

[0035] (3) Recycled water end, that is, reclaimed water (15 / 7℃) is used for heating separately. Reclaimed water is the water source obtained by treating urban sewage in sewage treatment plants. Reclaimed water is generally used for greening, landscaping and power plant cooling water. The water temperature is between 30~13℃ all year round. The heating and cooling system formed by reclaimed water for heat pump heating in winter and cooling in summer is a reclaimed water source heat pump system:

[0036] a. It can provide 24-hour continuous floor radiant heating (45 / 35°C) for residential buildings, with the isolation valve group F6 and isolation valve group F7 closed;

[0037] b. It can independently provide 12h intermittent air conditioning and heating (45 / 40℃) for public buildings, with the isolation valve group F7 open;

[0038] c. It can be used to provide combined floor radiant heating (45 / 35°C) for residential buildings and air conditioning heating (45 / 40°C) for public buildings. The isolation valve group F6 is closed and the isolation valve group F7 is open.

[0039] (4) Combined heating of deep geothermal source 6 (25 / 10℃) and shallow geothermal buried pipe (10 / 5℃):

[0040] Medium-deep geothermal energy (25 / 10°C) provides 24-hour continuous floor radiant heating (45 / 35°C) for residential buildings, and shallow geothermal buried pipes (10 / 5°C) provide 12-hour intermittent air-conditioning heating (45 / 40°C) for public buildings. Isolation valve groups F6 and F7 are closed.

[0041] (5) The medium-deep geothermal source 6 (25 / 10℃) and the recycled water end (15 / 7℃) are combined to provide heat.

[0042] The medium-deep geothermal source 6 (25 / 10℃) is used to provide 24-hour continuous floor radiation heating (45 / 35℃) for residential buildings, and the recycled water (15 / 7℃) at the reclaimed water end is used to provide 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6 and the isolation valve group F7 are closed.

[0043] (6) Shallow geothermal source 5 (10 / 5℃) and recycled water end (15 / 7℃) jointly provide heating.

[0044] The recycled water end (15 / 7℃) provides 24-hour continuous floor radiant heating (45 / 35℃) for residential buildings, and the shallow geothermal buried pipe (10 / 5℃) provides 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6 and the isolation valve group F12 are closed.

[0045] (7) The deep geothermal source 6 (25 / 10℃), the shallow geothermal source 5 (10 / 5℃) and the recycled water end (15 / 7℃) are combined to provide heat.

[0046] The medium-deep geothermal source 6 (25 / 10℃) and the recycled water end (15 / 7℃) provide 24-hour continuous floor radiant heating (45 / 35℃) for residential buildings, and the shallow geothermal source 5 (10 / 5℃) provides 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6, isolation valve group F7, and isolation valve group F12 are closed.

[0047] 7 air conditioning cooling allocation solutions

[0048] (1) Shallow geothermal source 5 (30 / 35°C) is completely cooled, and isolation valve group F6, isolation valve group F7, isolation valve group F12, and isolation valve group F13 are opened;

[0049] (2) The water (28 / 38°C) at the reclaimed water end is completely cooled, and the isolation valve group F6, isolation valve group F7, isolation valve group F12 and isolation valve group F13 are opened;

[0050] (3) Cooling tower 7 (32 / 37°C) is fully cooled, and the isolation valve group F6, isolation valve group F7, isolation valve group F12 and isolation valve group F13 are opened;

[0051] (4) The shallow geothermal source 5 (30 / 35°C) is cooled jointly with the recycled water (28 / 38°C) at the reclaimed water end. The isolation valve group F6 is closed, and the isolation valve group F7, isolation valve group F12, and isolation valve group F13 are opened.

[0052] (5) Shallow geothermal source 5 (30 / 35°C) and cooling tower 7 (32 / 37°C) are combined for cooling, isolation valve group F6 is closed, isolation valve group F7, isolation valve group F12 and isolation valve group F13 are opened;

[0053] (6) The recycled water (28 / 38℃) is cooled jointly with the cooling tower 7 (32 / 37℃), the isolation valve group F12 is closed, the isolation valve group F6 is closed, and the isolation valve group F7 and the isolation valve group F13 are opened;

[0054] (7) Shallow geothermal source 5 (30 / 35℃), recycled water from the reclaimed water end (28 / 38℃) and cooling tower 7 (32 / 37℃) are cooled together, and the isolation valve group F6 is closed.

[0055] In general, the embodiment of the present application reduces energy consumption and carbon emissions by combining the regenerated water end, shallow geothermal source 5 and medium-deep geothermal source 6 into a network, and using high-temperature heat pump unit P2 and low-temperature heat pump unit P1 with controllable load distribution to coordinate them. In addition, switching valve groups and isolation valve groups are used to control multiple heat sources, and the coordination method is simple, flexible and highly applicable.

[0056] As a feasible specific implementation of the embodiment of the present application, the low-temperature heat pump unit P1 includes a low-temperature centrifugal heat pump unit 1 and a low-temperature screw heat pump unit 2. The evaporators of the low-temperature centrifugal heat pump unit 1 and the low-temperature screw heat pump unit 2 are both connected to the evaporator main pipe, and the condensers of the low-temperature centrifugal heat pump unit 1 and the low-temperature screw heat pump unit 2 are both connected to the condenser main pipe. The condenser main pipe and the evaporator main pipe are provided with a shut-off valve group F8 and a shut-off valve group F9 for adjusting the load distribution of the low-temperature centrifugal heat pump unit 1 and the low-temperature screw heat pump unit 2. The shut-off valve group F8 and the shut-off valve group F9 are located between the low-temperature centrifugal heat pump unit 1 and the low-temperature screw heat pump unit 2. The operator can control the deployment mode and load distribution between the low-temperature centrifugal heat pump unit 1 and the low-temperature screw heat pump unit 2 by manipulating the shut-off valve group F8 and the shut-off valve group F9, so that the operator or the control system can select the optimal heating mode according to the current requirements, reduce energy consumption and improve the applicability of the device.

[0057] Furthermore, the high-temperature heat pump unit P2 includes a high-temperature centrifugal heat pump unit 3 and a high-temperature screw heat pump unit 4. The evaporators of the high-temperature centrifugal heat pump unit 3 and the high-temperature screw heat pump unit 4 are both connected to the evaporator main pipe, and the condensers of the high-temperature centrifugal heat pump unit 3 and the high-temperature screw heat pump unit 4 are both connected to the condenser main pipe. The condenser main pipe and the evaporator main pipe are provided with a shut-off valve group F10 and a shut-off valve group F11 for adjusting the load distribution of the high-temperature centrifugal heat pump unit 3 and the high-temperature screw heat pump unit 4. The shut-off valve group F10 and the shut-off valve group F11 are located between the high-temperature centrifugal heat pump unit 3 and the high-temperature screw heat pump unit 4. The operator can control the deployment mode and load distribution between the high-temperature centrifugal heat pump unit 3 and the high-temperature screw heat pump unit 4 by manipulating the shut-off valve group F10 and the shut-off valve group F11, so that the operator or the control system can select the optimal heating mode according to the current requirements, reduce energy consumption and improve the applicability of the device.

[0058] Specifically, in this specific embodiment, the heating and cooling schemes can be further optimized as follows to adapt to the current implementation scenario.

[0059] 7 heat source coupling and heating solutions:

[0060] (1) The medium-deep geothermal source 6 (25 / 10℃) provides separate heating.

[0061] a. To provide 24-hour continuous floor radiant heating (45 / 35°C) to residential buildings, the isolation valve groups F6 and F7 are closed, and the isolation valve groups F8 and F9 are open;

[0062] b. Provide 12h intermittent air conditioning and heating (45 / 40℃) to public buildings, with isolation valve group F5-isolation valve group F11 open;

[0063] c. Combined floor radiant heating for residential buildings (45 / 35°C) and air conditioning heating for public buildings (45 / 40°C), with isolation valve group F6 closed and isolation valve group F7-isolation valve group F11 open.

[0064] (2) Shallow geothermal source 5 (10 / 5℃) provides separate heating.

[0065] a. Provide 24-hour continuous floor radiant heating (45 / 35°C) to residential buildings, with isolation valve group F6 closed and isolation valve group F7 and isolation valve group F11 open;

[0066] b. Provide 12h intermittent air conditioning and heating (45 / 40℃) to public buildings separately, with isolation valve group F6 and isolation valve group F7 closed and isolation valve group F10 and isolation valve group F11 open;

[0067] c. Combined floor radiant heating for residential buildings (45 / 35°C) and air conditioning heating for public buildings (45 / 40°C), with isolation valve group F6 closed and isolation valve group F7-isolation valve group F11 open.

[0068] (3) The recycled water (15 / 7℃) is heated separately.

[0069] a. To provide 24-hour continuous floor radiant heating (45 / 35°C) to residential buildings, the isolation valve groups F6 and F7 are closed, and the isolation valve groups F8 and F9 are open;

[0070] b. Provide 12h intermittent air conditioning and heating (45 / 40℃) for public buildings; shut-off valve group F7 is open, and shut-off valve group F10 and shut-off valve group F11 are open;

[0071] c. Combined floor radiant heating for residential buildings (45 / 35°C) and air conditioning heating for public buildings (45 / 40°C), the isolation valve group F6 is closed, and the isolation valve group F7-isolation valve group F11 are opened.

[0072] (4) The deep geothermal source 6 (25 / 10°C) and the shallow geothermal source 5 (10 / 5°C) are combined to provide heat.

[0073] The medium-deep geothermal source 6 (25 / 10℃) provides 24-hour continuous floor radiation heating (45 / 35℃) for residential buildings, and the shallow geothermal source 5 (10 / 5℃) provides 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6 and the isolation valve group F7 are closed.

[0074] (5) The deep-seated geothermal source 6 (25 / 10°C) and the recycled water (15 / 7°C) are combined to provide heat.

[0075] The medium-deep geothermal source 6 (25 / 10℃) is used to provide 24-hour continuous floor radiation heating (45 / 35℃) for residential buildings, and the recycled water (15 / 7℃) at the reclaimed water end is used to provide 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6 and the isolation valve group F7 are closed.

[0076] (6) Shallow geothermal source 5 (10 / 5℃) and recycled water (15 / 7℃) are combined to provide heat.

[0077] The recycled water (15 / 7℃) at the reclaimed water end is used to provide 24-hour continuous floor radiant heating (45 / 35℃) for residential buildings, and the shallow geothermal source 5 (10 / 5℃) is used to provide 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve group F6 and the isolation valve group F12 are closed.

[0078] (7) The deep geothermal source 6 (25 / 10℃), the shallow geothermal source 5 (10 / 5℃) and the recycled water (15 / 7℃) are combined to provide heat.

[0079] The medium-deep geothermal source 6 (25 / 10℃) and recycled water from the reclaimed water end (15 / 7℃) provide 24-hour continuous floor radiant heating (45 / 35℃) for residential buildings, and the shallow geothermal source 5 (10 / 5℃) provides 12-hour intermittent air-conditioning heating (45 / 40℃) for public buildings. The isolation valve groups F6, F7, F9 and F12 are closed.

[0080] 7 air conditioning cooling allocation solutions

[0081] (1) Shallow geothermal source 5 (30 / 35°C) is completely cooled, and isolation valve group F6-isolation valve group F13 are opened;

[0082] (2) The water at the reclaimed water end (28 / 38°C) is completely cooled, and the isolation valve group F6-isolation valve group F13 are opened;

[0083] (3) Cooling tower 7 (32 / 37°C) is fully cooled, and the isolation valve group F6-isolation valve group F13 are opened;

[0084] (4) The shallow geothermal source 5 (30 / 35°C) is cooled jointly with the recycled water (28 / 38°C) at the reclaimed water end, the isolation valve group F6 is closed, and the isolation valve group F7-isolation valve group F13 are opened;

[0085] (5) Shallow geothermal source 5 (30 / 35°C) and cooling tower 7 (32 / 37°C) are combined for cooling, isolation valve group F6 is closed, isolation valve group F7-isolation valve group F11 are opened;

[0086] (6) The recycled water (28 / 38℃) is cooled jointly with the cooling tower 7 (32 / 37℃), the isolation valve group F12 is closed, and the isolation valve group F7-isolation valve group F13 are opened;

[0087] (7) Shallow geothermal source 5 (30 / 35℃), recycled water (28 / 38℃) and cooling tower 7 (32 / 37℃) are jointly cooled, and the isolation valve group F6 and the isolation valve group F8 are closed;

[0088] In this specific embodiment, the high-temperature centrifugal heat pump unit 3, the high-temperature screw heat pump unit 4, the low-temperature centrifugal heat pump unit 1, and the low-temperature screw heat pump unit 2 in the high-temperature heat pump unit P2 and the low-temperature heat pump unit P1 can be deployed in various ways to achieve the working conditions of the current use environment:

[0089] (1) Heating at the residential building end: 1 centrifugal heat pump + 1 screw heat pump (1350 refrigeration tons + 700 refrigeration tons), operating at full load and high efficiency;

[0090] (2) Residential building heating: 1 screw heat pump (700 refrigeration tons), 350~700 refrigeration tons of high efficiency operation;

[0091] (3) Residential building heating: 1 centrifugal heat pump (1350 refrigeration tons), 700~1350 refrigeration tons of high efficiency operation;

[0092] (3) Heating for public buildings: 1 centrifugal heat pump + 1 screw heat pump (1350 refrigeration tons + 700 refrigeration tons), operating at full load and high efficiency;

[0093] (4) Heating for public buildings: 1 screw heat pump (700 refrigeration tons), 350~700 refrigeration tons of high efficiency operation;

[0094] (5) Heating for public buildings: 1 centrifugal heat pump (1350 refrigeration tons) with high efficiency operation of 700~1350 refrigeration tons;

[0095] (6) Full load cooling for public buildings: 2 centrifugal heat pumps + 2 screw heat pumps (2*1350 refrigeration tons + 2*700 refrigeration tons, 2700~4000 refrigeration tons, full load and efficient operation;

[0096] (7) Cooling for public buildings: 2 centrifugal heat pumps, 2000~2700 refrigeration tons, operating efficiently;

[0097] (8) Cooling for public buildings: 1 centrifugal heat pump, 700~1350 refrigeration tons, high-efficiency operation;

[0098] (9) Partial load cooling at the public building end: 1 screw heat pump, 350~700 refrigeration tons, high-efficiency operation.

[0099] Nine unit operation deployment plans ensure efficient operation of the heat pump units in every load range. Demand-based multi-function switching between the heat source, unit, and user ends enables flexible, simple, and efficient switching of heating and cooling under full and partial load conditions. This maximizes the free switching and utilization of high-efficiency geothermal energy and the thermal balance of shallow buried pipes, achieving green, low-carbon, and efficient operation of the heating and air conditioning heat pump system.

[0100] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A multi-energy coupled heat pump deployment device, characterized in that: It includes a condenser main pipe and an evaporator main pipe, and also includes a low-temperature heat pump unit (P1), a high-temperature heat pump unit (P2), a cooling tower (7), a medium-deep geothermal source (6) as a heat source, a shallow geothermal source (5) and a recycled water end, as well as a residential building end and a public building end that require heating; The input and output ends of the low-temperature heat pump unit (P1), the high-temperature heat pump unit (P2), the medium-deep geothermal source (6), the shallow geothermal source (5), the recycled water end, the cooling tower (7), the residential building end, and the public building end are respectively connected to the condenser main pipe and the evaporator main pipe; The condenser main pipe and the evaporator main pipe are provided with isolation valve group F6, isolation valve group F7, isolation valve group F12, and isolation valve group F13 for adjusting the load distribution of the low-temperature heat pump unit (P1) and the high-temperature heat pump unit (P2); The condenser main pipe and the evaporator main pipe are also provided with a switching valve group F1 and a switching valve group F2 for controlling the output of the shallow geothermal source (5), a switching valve group F3 and a switching valve group F4 for controlling the input of the public building end, and a switching valve group F5 for controlling the input of the residential building end.

2. A multi-energy coupling heat pump deployment device according to claim 1, characterized in that: The low-temperature heat pump unit (P1) includes a low-temperature centrifugal heat pump unit (1) and a low-temperature screw heat pump unit (2). The evaporators of the low-temperature centrifugal heat pump unit (1) and the low-temperature screw heat pump unit (2) are both connected to the evaporator main pipe, and the condensers of the low-temperature centrifugal heat pump unit (1) and the low-temperature screw heat pump unit (2) are both connected to the condenser main pipe.

3. A multi-energy coupling heat pump deployment device according to claim 2, characterized in that: A shutoff valve group F8 and a shutoff valve group F9 for adjusting the load distribution of the low-temperature centrifugal heat pump unit (1) and the low-temperature screw heat pump unit (2) are provided on the condenser main pipe and the evaporator main pipe. The shutoff valve group F8 and the shutoff valve group F9 are located between the low-temperature centrifugal heat pump unit (1) and the low-temperature screw heat pump unit (2).

4. A multi-energy coupling heat pump deployment device according to claim 3, characterized in that: The high-temperature heat pump unit (P2) includes a high-temperature centrifugal heat pump unit (3) and a high-temperature screw heat pump unit (4). The evaporators of the high-temperature centrifugal heat pump unit (3) and the high-temperature screw heat pump unit (4) are both connected to the evaporator main pipe, and the condensers of the high-temperature centrifugal heat pump unit (3) and the high-temperature screw heat pump unit (4) are both connected to the condenser main pipe.

5. A multi-energy coupling heat pump deployment device according to claim 4, characterized in that: A shutoff valve group F10 and a shutoff valve group F11 for adjusting the load distribution of the high-temperature centrifugal heat pump unit (3) and the high-temperature screw heat pump unit (4) are provided on the condenser main pipe and the evaporator main pipe. The shutoff valve group F10 and the shutoff valve group F11 are located between the high-temperature centrifugal heat pump unit (3) and the high-temperature screw heat pump unit (4).

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