CN218495054U - Heating system for recycling cooling waste heat of production equipment - Google Patents
Heating system for recycling cooling waste heat of production equipment Download PDFInfo
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- CN218495054U CN218495054U CN202222589932.7U CN202222589932U CN218495054U CN 218495054 U CN218495054 U CN 218495054U CN 202222589932 U CN202222589932 U CN 202222589932U CN 218495054 U CN218495054 U CN 218495054U
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Abstract
The utility model discloses a heating system of recycle production facility cooling waste heat, cold side waterway system including heat pump cooling water set and heat pump cooling water set connection, hot side waterway system and level pressure water charging system, heat pump cooling water set is used for retrieving the heat dissipation capacity of production facility and passes through the hot side waterway system heating use to the heat of retrieving, hot side waterway system includes heating waterway system and cooling tower cooling system, heating waterway system contains auxiliary heating system, auxiliary heating system is used for guaranteeing heating hot water constancy of temperature, cooling tower cooling system is used for guaranteeing heat pump cooling water set cooling return temperature constancy, level pressure water charging system is used for being the entire system moisturizing, steady pressure and exhaust. The utility model relates to a reliable and stable can provide the refrigerated water for the cooling for production facility, also can abundant recycle production facility cooling waste heat, novel practical, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a hydraulic structure technical field especially relates to a heating system of recycle production facility cooling waste heat.
Background
In industrial production, many production facilities need adopt 7 ℃ refrigerated water to cool down 24h all the year round, and conventional refrigerator produces a large amount of condensation heat when preparing 7 ℃ refrigerated water, and these condensation heats are usually diffused to the atmosphere through the cooling tower in, have caused the waste of the energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem among the prior art, and provide a heating system of recycle production facility cooling waste heat.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
a heating system for recycling cooling waste heat of production equipment comprises:
the heat pump water chilling unit is connected with the production equipment through a chilled water circulation pipeline provided with a first hydraulic balance tank through a chilled water outlet and a water return port on the cold side; the heat pump water chilling unit is connected with a water inlet and a water return port of waste hot water of a second hydraulic balance tank through a cooling waste heat supply circulation water path through a hot water outlet and a water return port at the hot side, a hot water supply port of the second hydraulic balance tank is connected to a waste hot water inlet of a heat exchanger, and a hot water supply outlet of the heat exchanger is connected to a water inlet of a water distributor for supplying heat and water; a heat supply water return port of the second hydraulic balance tank and an outlet of a water collector for supplying heat and returning water; the water outlet and the water return port for heat dissipation of the second hydraulic balance tank are connected with the water inlet and the water outlet of the cooling tower through a circulating heat dissipation pipeline; and the cooling tower is used for keeping the return water temperature of the hot side of the heat pump water chilling unit constant.
Furthermore, a constant pressure water supplementing device is arranged, and the constant pressure water supplementing device is connected with a hot side water return pipeline arranged between the second hydraulic balance tank and the water collector and a cold side water return pipeline arranged between the first hydraulic balance tank and the production equipment through two branches formed by a water supplementing pipe and a pressure relief pipe respectively and is connected with a softened water inlet pipe.
The heat exchanger is connected with an auxiliary heat supply heat source through a circulating pipeline through a water inlet and a water outlet of the auxiliary heat source.
The refrigerating water circulation system is characterized in that a first electric valve and a second electric valve are respectively arranged on a water supply pipe and a water return pipe of the refrigerating water circulation pipeline, the first electric valve is arranged between a first hydraulic balance tank and production equipment, and the second electric valve is arranged between a second hydraulic balance tank and a heat pump water chilling unit.
And a third electric valve is arranged on a water return pipeline between the second hydraulic balance tank and the heat pump water chilling unit, and a fourth electric valve is arranged on a water supply pipe between the second hydraulic balance tank and the heat exchanger.
And a fifth electric valve is arranged on a pipeline between the water inlet of the cooling tower and the water outlet for heat dissipation of the second hydraulic balance tank.
The utility model discloses a heating system of recycle production facility cooling waste heat is used for the heating of factory life building or with heat after promoting production facility's cooling waste heat recovery, can play energy saving and emission reduction's effect.
Drawings
Fig. 1 is a schematic diagram of the heating system for recycling cooling waste heat of the production equipment of the present invention.
Fig. 2 to 5 are partially enlarged schematic views of fig. 1, respectively.
Fig. 6 is a schematic water flow diagram of a first hydraulic balancing tank.
Fig. 7 is a schematic diagram of the water flow of the second hydraulic balancing tank.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a heating system for recycling cooling waste heat of production equipment includes a heat pump water chiller, a cold side waterway system connected to the heat pump water chiller, a hot side waterway system, and a constant pressure water charging system, where the heat pump water chiller is used to provide cooling chilled water for the production equipment, and simultaneously recovers heat dissipated by the production equipment through the cold side waterway system, and inputs the recovered heat into the heating system through the hot side waterway system for heating.
As a preferred embodiment, the cold side water circuit system comprises a cold side water circuit system primary side water circuit system, a cold side water circuit system secondary side water circuit system and a first hydraulic balance tank 2a connected between the two.
In a preferred embodiment, the primary side water path system of the cold side water path system includes an electric switch valve 13a, a thermometer 17a, a pressure gauge 16a, and a switch valve 10a connected in order in the water flow direction on the water supply line, and a switch valve 10b, a pressure gauge 16b, a Y-type filter 12a, a pressure gauge 16c, a circulating water pump 8a, a check valve 11a, a pressure gauge 16d, a thermometer 17b, and a switch valve 10c connected in order in the water flow direction on the water return line.
In a preferred embodiment, the secondary side water channel system of the cold side water channel system is connected to a switching valve 10d, a pressure gauge 16e, a Y-filter 12b, a pressure gauge 16f, a circulating water pump 9a, a check valve 11b, a pressure gauge 16g, and a switching valve 10e in order in the water flow direction on the water supply line, and connected to a switching valve 15f in order in the water return line.
In a preferred embodiment, the hot-side water path system includes a primary side water path system of the hot-side water path system, a heating water path system, a cooling tower heat dissipation water path system, and a hydraulic balance tank 2b connecting the three systems.
In a preferred embodiment, the primary side water path system of the hot side water path system includes an electric switch valve 13b, a thermometer 17b, a pressure gauge 16h, and a switch valve 10g connected in sequence in the water flow direction on the water supply line, and the switch valve 10h, a temperature sensor 15a, a pressure gauge 16i, a Y-type filter 12c, a pressure gauge 16j, a circulation water pump 8b, a check valve 11c, a pressure gauge 16k, a thermometer 17d, and a switch valve 10i connected in sequence in the water flow direction on the water return line.
In a preferred embodiment, the heating water path system includes a switching valve 10o, a pressure gauge 16o, a Y-type filter 12e, a pressure gauge 16p, a circulating water pump 9c, a check valve 11e, a pressure gauge 16q, a switching valve 10p, a heat exchanger 3, an electric switching valve 13d, a temperature sensor 15b, and a water separator 5 connected in sequence along a water flow direction on a water supply line, and includes a water collector 6 and a switching valve 10Y connected in sequence along a water flow direction on a water return line, wherein the heat exchanger 3 is connected to an auxiliary heat supply source through an inlet and a return port for auxiliary heat supply, and an electric three-way valve 14d is provided on the return pipe for the auxiliary heat supply source to connect the water return pipe to the water supply line.
As a preferred embodiment, the cooling tower heat dissipation water path system comprises a switch valve 10j, a pressure gauge 16l, a Y-shaped filter 12d, a pressure gauge 16m, a circulating water pump 9b, a check valve 11d, a pressure gauge 16n, a switch valve 10k, a switch valve 10l, a closed cooling tower 4, an electric switch valve 13c and a switch valve 10m, which are sequentially connected to a water return port along the water outlet flow direction of the second hydraulic balance tank flowing to the cooling tower.
As a preferred embodiment, the constant pressure water charging system is connected to a softened water supply pipe, and the constant pressure water charging device is connected to a hot side water return pipeline arranged between the second hydraulic balance tank and the water collector and a cold side water return pipeline arranged between the first hydraulic balance tank and the production device through two branches formed by a water charging pipe and a pressure relief pipe.
In a preferred embodiment, the closed cooling tower is provided with a water replenishing pipe connected with a softened water inlet pipe, and the water replenishing pipe is provided with a switch valve 10n.
It should be noted that, in the embodiment of the present invention, the constant pressure water replenishing device 7 can replenish water and stabilize pressure for the whole system, and when the water body of the system expands due to temperature rise and the pressure is higher than a set value, the constant pressure water replenishing device automatically drains water to the set pressure and stops; when the water body of the system shrinks or leaks due to temperature reduction and the pressure is lower than a set value, the constant-pressure water supplementing equipment automatically starts water supplementing to the set pressure and stops.
It should be noted that, in the embodiment of the present invention, the constant pressure water replenishing device 7 is a device of the prior art, which can be directly purchased and obtained in the market, and the structure thereof is not described again, for example, the constant pressure water replenishing device may adopt SCIII-DY series constant pressure water replenishing device.
In the embodiment of the utility model provides an in, the hydraulic balance jar divide into once side and secondary side to water system, and the hydraulic balance jar size of general design can energy storage 15-20min, and the volume of hydraulic balance jar is equivalent to secondary side water pump operation 1520 min's discharge exactly. And because the temperature difference (density difference) exists between the supplied water and the returned water, the water body in the hydraulic balance tank has the layering phenomenon, the cold water is below, the hot water is above, namely the water body is more beneficial to the layering when the hydraulic balance tank is slimmer and longer, and the design is comprehensively considered according to specific conditions.
In the operation process, the primary side is constant flow, the secondary side is variable flow, the flow of a primary side water pump is always larger than that of a secondary side water pump, and a part of primary side water supply flows to return water through a hydraulic balance tank, so that the primary side water flow is constant, and the secondary side water supply temperature is stable.
The utility model discloses a heating system of recycle production facility cooling waste heat, when using, there are two kinds of operational modes of non-heat supply operating mode and heat supply operating mode
Under the non-heat supply working condition, the outlet water temperature of the cold side of the heat pump water chilling unit is 7 ℃, the inlet water temperature is 12 ℃, an electric switch valve 13a of a cold side waterway system is opened, and a circulating water pump 8a and a circulating water pump 9a are opened, so that cooling water is provided for industrial production equipment. The hot side water outlet temperature of the heat pump water chilling unit is 35 ℃, the water inlet temperature is 30 ℃, an electric switch valve 13d of a hot side water path system is closed, an electric switch valve 13b and an electric switch valve 13c are opened, a circulating water pump 9c is closed, a circulating water pump 8b and a circulating water pump 9b are opened, and the hot side water path dissipates heat through a closed cooling tower 4.
Under the working condition of heat supply, the outlet water temperature of the cold side of the heat pump water chilling unit is 7 ℃, the inlet water temperature is 12 ℃, the electric switch valve 13a of the cold side waterway system is opened, the circulating water pump 8a and the circulating water pump 9a are opened, and cold water for cooling is provided for industrial production equipment. The hot side water outlet temperature of the heat pump water chilling unit is 60 ℃, the water inlet temperature is 50 ℃, the electric switch valve 13c of the hot side waterway system is closed, the electric switch 13b and the electric switch 13d are opened, the circulating water pump 9b is closed, the circulating water pump 8b and the circulating water pump 9c are opened, when the temperature sensor 15b feeds back a temperature signal which is less than 60 ℃, the electric three-way valve 14 is opened, the heat exchanger 3 is used for ensuring the hot water supply temperature in an auxiliary heating mode, when the temperature sensor 15a feeds back a temperature signal which is greater than 50 ℃, the electric switch valve 13c of the hot side waterway system is opened, the circulating water pump 9b is opened, and the closed cooling tower 4 operates to be cooled in an auxiliary mode so as to ensure the hot water return temperature.
When the system normally operates, all the manual switch valves are in an open state, and the corresponding manual switch valves are closed only during equipment maintenance.
The utility model discloses a heating system of recycle production facility cooling waste heat, reliable and stable, novel practical, energy-concerving and environment-protective, but make full use of production facility cooling waste heat.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. Heating system of recycle production facility cooling waste heat, its characterized in that includes:
the heat pump water chilling unit is connected with the production equipment through a chilled water circulation pipeline provided with a first hydraulic balance tank through a chilled water outlet and a water return port on the cold side; the heat pump water chilling unit is connected with a water inlet and a water return port of waste hot water of a second hydraulic balance tank through a cooling waste heat supply circulation water path through a hot water outlet and a water return port at the hot side, a hot water supply port of the second hydraulic balance tank is connected to a waste hot water inlet of a heat exchanger, and a hot water supply outlet of the heat exchanger is connected to a water inlet of a water distributor for supplying heat and water; a heat supply water return port of the second hydraulic balance tank and an outlet of a water collector for supplying heat and returning water; the water outlet and the water return port for heat dissipation of the second hydraulic balance tank are connected with the water inlet and the water outlet of the cooling tower through a circulating heat dissipation pipeline; and the cooling tower is used for keeping the return water temperature of the hot side of the heat pump water chilling unit constant.
2. The heating system for recycling the cooling waste heat of the production equipment according to claim 1, wherein a constant pressure water replenishing device is provided, and the constant pressure water replenishing device is connected with a hot side water returning pipeline arranged between the second hydraulic balance tank and the water collector and a cold side water returning pipeline arranged between the first hydraulic balance tank and the production equipment through two branches formed by a water replenishing pipe and a pressure relief pipe, and is connected with a softened water inlet pipe.
3. The heating system for recycling cooling waste heat of production equipment according to claim 1, wherein the heat exchanger is connected with an auxiliary heat supply source through a circulation pipeline through a water inlet and a water outlet of the auxiliary heat source.
4. The heating system according to claim 1, wherein a first electrically operated valve and a second electrically operated valve are respectively disposed on a water supply pipe and a water return pipe of the chilled water circulation pipeline, the first electrically operated valve is disposed between the first hydraulic balance tank and the production facility, and the second electrically operated valve is disposed between the second hydraulic balance tank and the heat pump water chiller.
5. The heating system for recycling cooling waste heat of production equipment as claimed in claim 1, wherein a third electric valve is disposed on a water return pipeline between the second hydraulic balance tank and the heat pump water chilling unit, and a fourth electric valve is disposed on a water supply pipeline between the second hydraulic balance tank and the heat exchanger.
6. The heating system for recycling cooling waste heat of production equipment as claimed in claim 1, wherein a fifth electric valve is arranged on a pipeline between a water inlet of the cooling tower and a water outlet for heat dissipation of the second hydraulic balance tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222589932.7U CN218495054U (en) | 2022-09-29 | 2022-09-29 | Heating system for recycling cooling waste heat of production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222589932.7U CN218495054U (en) | 2022-09-29 | 2022-09-29 | Heating system for recycling cooling waste heat of production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218495054U true CN218495054U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222589932.7U Active CN218495054U (en) | 2022-09-29 | 2022-09-29 | Heating system for recycling cooling waste heat of production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218495054U (en) |
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- 2022-09-29 CN CN202222589932.7U patent/CN218495054U/en active Active
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