Data machine room waste heat recovery multi-parameter heat supply system

Abstract

The utility model relates to the technical field of heat recovery, in particular to a data machine room waste heat recovery multi-parameter heat supply system which comprises a data center cooling system, a first heat pump unit, a second heat pump unit and a third heat pump unit. The second heat pump unit and the third heat pump unit are both connected with the first heat pump unit, the data center cooling system achieves waste heat recovery and multi-parameter heat supply through the first heat pump unit, the second heat pump unit and the third heat pump unit, and the requirements of users for different heat parameters are met.

Description

Technical Field

[0001] The utility model relates to the technical field of heat recovery, and in particular to a data room waste heat recovery and multiple-parameter heating system. Background Art

[0002] With the continuous development of information technology, various large-scale data centers have emerged. The large service equipment in the data center will generate a lot of heat when working. In order to maintain the normal operation of the data center, the data center cooling system is usually used to cool the data center room. The heat carried by the cooling medium of the data center cooling system is directly discharged into the atmosphere, causing heat pollution and energy waste.

[0003] The existing waste heat recovery system of the data room recovers the waste heat of the data room and applies it to the heating system, but the existing waste heat recovery heating system has a single heating form and cannot meet the user's needs for different thermal parameters. Based on the above, there is an urgent need for a data room waste heat recovery and multiple parameter heating system to meet the user's needs for different thermal parameters. Utility Model Content

[0004] The utility model aims to provide a data room waste heat recovery and multiple parameter heating system. The specific technical scheme is as follows: a data room waste heat recovery and multiple parameter heating system, including a data center cooling system, a first heat pump unit, a second heat pump unit and a third heat pump unit. The first heat pump unit is connected to the data center cooling system, and the second heat pump unit and the third heat pump unit are both connected to the first heat pump unit. The data center cooling system realizes waste heat recovery and multiple parameter heating through the first heat pump unit, the second heat pump unit and the third heat pump unit.

[0005] Furthermore, the data center cooling system includes a cold water circulation pipeline, and the cold water circulation pipeline is connected to the first heat pump unit.

[0006] Furthermore, the first heat pump unit is connected to a first hot water circulation system, and the first hot water circulation system includes a first water supply pipeline and a first return water pipeline; a water distributor is provided on the first water supply pipeline, and a water collector is provided on the first return water pipeline.

[0007] Furthermore, the first water supply pipeline is divided into a first branch, a second branch and a third branch through a water divider; the first branch is connected to the first user end, the second branch is connected to the second heat pump unit, and the third branch is connected to the third heat pump unit.

[0008] Furthermore, the second heat pump unit is connected to the second user end through a second hot water circulation system.

[0009] Furthermore, the third heat pump unit is connected to a heat storage tank via a third hot water circulation system, and the heat storage tank is connected to a third user end.

[0010] Furthermore, the heat storage tank is connected to a water supply pipeline and a hot water pipeline; the water supply pipeline is provided with an automatic water supply valve, and the hot water pipeline is provided with a variable frequency hot water circulation pump.

[0011] Furthermore, the return water pipelines of the first branch, the second branch and the third branch are connected to a water collector, and the water collector is connected to the first heat pump unit through the first return water pipeline.

[0012] Furthermore, the first branch, the second branch and the third branch are each provided with an electric regulating valve.

[0013] Furthermore, it also includes a control unit, and the electric regulating valve, the first heat pump unit, the second heat pump unit and the third heat pump unit are all connected to the control unit.

[0014] The application of the technical solution of the utility model has the following beneficial effects:

[0015] (1) The utility model provides a data center waste heat recovery and multiple parameter heating system, including a data center cooling system, a first heat pump unit, a second heat pump unit and a third heat pump unit, wherein the first heat pump unit is connected to the data center cooling system, and the second heat pump unit and the third heat pump unit are both connected to the first heat pump unit. The data center cooling system realizes waste heat recovery and multiple parameter heating through the first heat pump unit, the second heat pump unit and the third heat pump unit, thereby meeting the user's requirements for different thermal parameters.

[0016] (2) In the present invention, the data center cooling system includes a cold water circulation pipeline, and the cold water circulation pipeline is connected to the first heat pump unit to realize a refrigeration cycle.

[0017] (3) In the present invention, a water distributor is provided to divide the water supply pipeline into three branches, wherein the first branch is connected to the first user end, the second branch is connected to the second heat pump unit, and the third branch is connected to the third heat pump unit. The second heat pump unit is connected to the second user end through a second hot water circulation system, and the third heat pump unit is connected to a heat storage tank through a third hot water circulation system, and the heat storage tank is connected to the third user end. The present invention provides three parameter heating systems to meet the different needs of users.

[0018] (4) In the present invention, a water collector is provided to connect the return water pipes of the first branch, the second branch and the third branch to the water collector, and the water collector is connected to the first heat pump unit through the first return water pipe to realize water circulation of the heating system.

[0019] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0021] Figure 1 It is the overall structural diagram of the data center waste heat recovery and multi-parameter heating system;

[0022] Figure 2 is a structural schematic diagram of the first heat pump unit;

[0023] Among them, 1. Data center cooling system, 1.1. Cold water circulation pipeline, 2. First heat pump unit, 2.1. Evaporator, 2.2. Condenser, 2.3. Compressor, 3. Second heat pump unit, 4. Third heat pump unit, 5. First hot water circulation system, 5.1. First water supply pipeline, 5.1.1. First branch, 5.1.2. Second branch, 5.1.3. Third branch, 5.2. First return water pipeline, 5.3. Water distributor, 5.4. Water collector, 5.5. Electric regulating valve, 6. First user end, 7. Second hot water circulation system, 8. Second user end, 9. Third hot water circulation system, 10. Heat storage tank, 10.1. Water supply pipeline, 10.2. Hot water pipeline, 10.3. Automatic water supply valve. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] Example:

[0027] See also Figure 1The present embodiment provides a data center waste heat recovery and multiple parameter heating system, including a data center cooling system 1, a first heat pump unit 2, a second heat pump unit 3 and a third heat pump unit 4, wherein the first heat pump unit 2 is connected to the data center cooling system 1, and the second heat pump unit 3 and the third heat pump unit 4 are both connected to the first heat pump unit 2. The data center cooling system 1 realizes waste heat recovery and multiple parameter heating through the first heat pump unit 2, the second heat pump unit 3 and the third heat pump unit 4, thereby meeting the user's requirements for different thermal parameters.

[0028] In this embodiment, the data center cooling system 1 includes a cold water circulation pipeline 1.1, and the cold water circulation pipeline 1.1 is connected to the first heat pump unit 2.

[0029] In this embodiment, see Figure 2 The first heat pump unit 2 includes an evaporator 2.1, a condenser 2.2 and a compressor 2.3 (in this embodiment, the second heat pump unit 3 and the third heat pump unit 4 have the same structure as the first heat pump unit 2). After the cold water in the data center cooling system 1 flows through the air-conditioning terminal 1A or the data cabinet 1B, it is connected to the evaporator 2.1 in the first heat pump unit 2 through the cold water circulation pipeline 1.1 to realize the refrigeration cycle.

[0030] The first heat pump unit 2 is connected to the first hot water circulation system 5, and the first heat pump unit 2 transfers the heat in the data center cooling system 1 to the first hot water circulation system 5 through the compressor 2.3 and the condenser 2.2; the first hot water circulation system 5 includes a first water supply pipeline 5.1 and a first return water pipeline 5.2; a water distributor 5.3 is provided on the first water supply pipeline 5.1, and a water collector 5.4 is provided on the first return water pipeline 5.2.

[0031] The first water supply pipeline 5.1 is divided into a first branch 5.1.1, a second branch 5.1.2 and a third branch 5.1.3 through a water divider 5.3; the first branch 5.1.1 is connected to a first user end 6, such as a floor heating coil; the second branch 5.1.2 is connected to an evaporator of a second heat pump unit 3, and the second heat pump unit 3 transfers the heat of the second branch 5.1.2 to a second hot water circulation system 7 via a compressor and a condenser, and the second hot water circulation system 7 delivers the heat to a second user end 8. In this embodiment, the second user end 8 is a fan coil or a radiator; the third branch 5.1.3 is connected to an evaporator of a third heat pump unit 4, and the third heat pump unit 4 transfers the heat of the third branch 5.1.3 to a third hot water circulation system 9 via a compressor and a condenser, and the third hot water circulation system 9 is connected to a heat storage tank 10, and the heat storage tank 10 delivers hot water to each user.

[0032] Preferably, see Figure 1The heat storage tank 10 is connected with a water replenishment pipeline 10.1 and a hot water pipeline 10.2; the water replenishment pipeline 10.1 is provided with an automatic water replenishment valve 10.3, which can replenish water in the heat storage tank 10 as needed; the hot water pipeline 10.2 is provided with a variable frequency hot water circulation pump to meet the user's demand for hot water.

[0033] In this embodiment, the return water pipelines of the first branch 5.1.1, the second branch 5.1.2 and the third branch 5.1.3 are connected to the water collector 5.4, and the water collector 5.4 is connected to the first heat pump unit 2 through the first return water pipeline 5.2 to realize the water circulation of the heating system.

[0034] In this embodiment, the first branch 5.1.1, the second branch 5.1.2 and the third branch 5.1.3 are each provided with an electric regulating valve 5.5 to control the magnitude of the water flow in each branch.

[0035] In this embodiment, the data room waste heat recovery multi-parameter heating system also includes a control unit, which is connected to the electric regulating valve 5.5, the first heat pump unit 2, the second heat pump unit 3 and the third heat pump unit 4, and controls the operation of the electric regulating valve 5.5, the first heat pump unit 2, the second heat pump unit 3 and the third heat pump unit 4 in real time.

[0036] The data center waste heat recovery multi-parameter heating system provided in this embodiment realizes waste heat recovery of the data center cooling system 1 through the first heat pump unit 2, the second heat pump unit 3 and the third heat pump unit 4, and provides three parameter heating to solve the requirements of different thermal parameters for floor heating coils, fan coils or radiators and hot water used by users.

[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A data center waste heat recovery and multi-parameter heating system, characterized in that: The data center cooling system (1) comprises a first heat pump unit (2), a second heat pump unit (3) and a third heat pump unit (4), wherein the first heat pump unit (2) is connected to the data center cooling system (1), the second heat pump unit (3) and the third heat pump unit (4) are both connected to the first heat pump unit (2), and the data center cooling system (1) realizes waste heat recovery and multi-parameter heating through the first heat pump unit (2), the second heat pump unit (3) and the third heat pump unit (4).

2. The data center waste heat recovery and multiple parameter heating system according to claim 1 is characterized in that: The data center cooling system (1) comprises a cold water circulation pipeline (1.1), and the cold water circulation pipeline (1.1) is connected to a first heat pump unit (2).

3. The data center waste heat recovery and multiple parameter heating system according to claim 2 is characterized in that: The first heat pump unit (2) is connected to a first hot water circulation system (5), and the first hot water circulation system (5) comprises a first water supply pipeline (5.1) and a first water return pipeline (5.2); a water distributor (5.3) is provided on the first water supply pipeline (5.1), and a water collector (5.4) is provided on the first water return pipeline (5.2).

4. The data center waste heat recovery and multiple parameter heating system according to claim 3 is characterized in that: The first water supply pipeline (5.1) is divided into a first branch (5.1.1), a second branch (5.1.2) and a third branch (5.1.3) via a water distributor (5.3); the first branch (5.1.1) is connected to a first user end (6), the second branch (5.1.2) is connected to a second heat pump unit (3), and the third branch (5.1.3) is connected to a third heat pump unit (4).

5. The data center waste heat recovery and multiple parameter heating system according to claim 4 is characterized in that: The second heat pump unit (3) is connected to a second user end (8) via a second hot water circulation system (7).

6. The data center waste heat recovery and multiple parameter heating system according to claim 4 is characterized in that: The third heat pump unit (4) is connected to a heat storage tank (10) via a third hot water circulation system (9), and the heat storage tank (10) is connected to a third user end.

7. The data center waste heat recovery and multiple parameter heating system according to claim 6 is characterized in that: The heat storage tank (10) is connected to a water replenishment pipeline (10.1) and a hot water pipeline (10.2); the water replenishment pipeline (10.1) is provided with an automatic water replenishment valve (10.3), and the hot water pipeline (10.2) is provided with a variable frequency hot water circulation pump.

8. The data center waste heat recovery and multiple parameter heating system according to claim 4 is characterized in that: The return water pipelines of the first branch (5.1.1), the second branch (5.1.2) and the third branch (5.1.3) are connected to a water collector (5.4), and the water collector (5.4) is connected to the first heat pump unit (2) via the first return water pipeline (5.2).

9. The data center waste heat recovery and multi-parameter heating system according to any one of claims 4 to 8, characterized in that: The first branch (5.1.1), the second branch (5.1.2) and the third branch (5.1.3) are all provided with electric regulating valves (5.5).

10. The data center waste heat recovery and multiple parameter heating system according to claim 9 is characterized in that: It also comprises a control unit, and the electric regulating valve (5.5), the first heat pump unit (2), the second heat pump unit (3) and the third heat pump unit (4) are all connected to the control unit.

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