CN211204183U - Energy-saving heat recovery steam heat transfer system - Google Patents
Energy-saving heat recovery steam heat transfer system Download PDFInfo
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- CN211204183U CN211204183U CN201922330492.1U CN201922330492U CN211204183U CN 211204183 U CN211204183 U CN 211204183U CN 201922330492 U CN201922330492 U CN 201922330492U CN 211204183 U CN211204183 U CN 211204183U
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Abstract
The utility model discloses an energy-saving heat recovery steam heat transfer system, which belongs to the technical field of steam heat transfer and comprises a steam-water heat exchanger, wherein a water outlet on one side of the steam-water heat exchanger is connected with a secondary water supply pipeline, the secondary water supply pipeline is provided with an electric valve, a water return port on one side of the steam-water heat exchanger is connected with a secondary water return pipeline, the secondary water return pipeline comprises a secondary water return pipe a and a secondary water return pipe b which are arranged in parallel, circulating water pumps are respectively arranged on the secondary water return pipe a and the secondary water return pipe b, a connecting pipeline between the secondary water return pipe a and one end of the secondary water return pipe b is connected to the water return port, and a connecting pipeline between the secondary water return pipe; the direct discharge of the condensate water with higher temperature is avoided to generate serious energy waste, so that the system is energy-saving and efficient.
Description
Technical Field
The utility model belongs to the technical field of the steam heat transfer, concretely relates to energy-saving heat recovery steam heat transfer system.
Background
The steam heat exchanger unit is a complete set of equipment for heating water by taking steam as a heat source, and has very wide application in the heating and heat exchange in the north. The condensed water output from the steam heat exchanger unit and generated by the steam-water heat exchanger contains a large amount of heat. In the traditional steam heat exchange system, a primary network steam system transfers the heat of steam to a secondary side through a heat exchanger, and the generated condensed water is directly discharged through a condensed water pipeline, so that serious energy waste is caused.
SUMMERY OF THE UTILITY MODEL
For solving exist not enough among the prior art, the utility model provides an energy-saving heat recovery steam heat transfer system avoids the higher comdenstion water of temperature directly to discharge and produces serious energy extravagant, makes the system energy-conserving high-efficient.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an energy-saving heat recovery steam heat exchange system comprises a steam-water heat exchanger, wherein a water outlet at one side of the steam-water heat exchanger is connected with a secondary water supply pipeline, the secondary water supply pipeline is provided with an electric valve, a water return port at one side of the steam-water heat exchanger is connected with a secondary water return pipeline, the secondary water return pipeline comprises a secondary water return pipe a and a secondary water return pipe b which are mutually connected in parallel, circulating water pumps are respectively arranged on the secondary water return pipe a and the secondary water return pipe b, a connecting pipeline between one end of the secondary water return pipe a and one end of the secondary water return pipe b is connected to a water return port, and a connecting pipeline between the other end of the secondary;
a primary steam pipeline is connected to the top end interface of the steam-water heat exchanger, and a heat exchanger shut-off valve is arranged on the primary steam pipeline; the bottom end interface of the steam-water heat exchanger is connected with one end of a primary condensed water pipeline, the other end of the primary condensed water pipeline is connected with a condensed water tank through a pipeline, and the condensed water tank is communicated to a tap water pipeline through a condensed water tank water supply pipeline; the condensed water tank is also connected with a condensed water tank water supply pipeline, the condensed water tank water supply pipeline comprises a condensed water supply pipe a and a condensed water supply pipe b which are arranged in parallel, and condensed water pumps are arranged on the condensed water supply pipe a and the condensed water supply pipe b;
a safety pipeline is connected to a pipeline between the secondary water return pipeline and the constant-pressure water supplementing system, and a safety valve is arranged on the safety pipeline; the constant-pressure water supplementing system comprises a pressure stabilizing tank, a water supplementing pipe a, a water supplementing pipe b and a water supplementing tank, wherein a water supplementing pump is arranged on the water supplementing pipe a, the water supplementing pipe b and the water supplementing pipe a in parallel connection, a connecting pipeline of one end of the water supplementing pipe a and one end of the water supplementing pipe b is connected with the pressure stabilizing tank, a connecting pipeline of the other end of the water supplementing pipe a and the other end of the water supplementing pipe b is connected with the water supplementing tank, and the water supplementing tank is connected with a tap water pipeline.
Furthermore, a liquid level meter is arranged in the water replenishing tank, and a water softener positioned on one side of the water replenishing tank is connected to the tap water pipeline.
Furthermore, the bottom of the condensed water tank is connected with a drain pipe, and a valve is arranged on the drain pipe.
Furthermore, the bottom of the water replenishing tank is connected with a drain pipe, and a valve is arranged on the drain pipe.
Furthermore, filters are arranged on the secondary water return pipe a, the secondary water return pipe b, the condensed water supply pipe a, the condensed water supply pipe b, the water replenishing pipe a and the water replenishing pipe b.
The utility model has the advantages that: the system is modularized, the structure and the operation are simple, the maintenance and the detection are convenient, the additional condensate water tank avoids serious energy waste caused by direct discharge of condensate water with higher temperature, and the purposes of energy conservation and high efficiency of the system are achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers in the figures are as follows: 1. the system comprises a steam-water heat exchanger, 1.1, a water outlet, 1.2, a water return port, 2, a condensed water tank, 3, a constant-pressure water supplementing system, 4, a condensed water pump, 5, a circulating water pump, 6, a secondary water supply pipeline, 7, a secondary water return pipeline, 7.1, a secondary water return pipe a, 7.2, a secondary water return pipe b, 8, a condensed water tank water supply pipeline, 9, a tap water pipeline, 10, a primary steam pipeline, 11, a primary condensed water pipeline, 12, a condensed water tank water supplementing pipeline, 13, an electric valve, 14, a heat exchanger shut-off valve, 15, a safety valve, 16, a water supplementing pipe a, 18, a water supplementing pipe b, 19, a water supplementing pump, 20, a water supplementing tank, 21, a liquid level meter, 22, a water softener, 23, a drain.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
An energy-saving heat recovery steam heat exchange system comprises a steam-water heat exchanger 1, wherein a water outlet 1.1 at one side of the steam-water heat exchanger 1 is connected with a secondary water supply pipeline 6, an electric valve 13 is arranged on the secondary water supply pipeline 6, a water return port 1.2 at one side of the steam-water heat exchanger 1 is connected with a secondary water return pipeline 7, the secondary water return pipeline 7 comprises a secondary water return pipe a7.1 and a secondary water return pipe b7.2 which are mutually connected in parallel, circulating water pumps 5 are respectively arranged on the secondary water return pipe a7.1 and the secondary water return pipe b7.2, a connecting pipeline between the secondary water return pipe a7.1 and one end of the secondary water return pipe b7.2 is connected to the water return port 1.2, and a connecting pipeline between the secondary water return pipe a7.1 and the other end of the secondary;
a primary steam pipeline 10 is connected to a top end interface of the steam-water heat exchanger 1, and a heat exchanger shut-off valve 14 is arranged on the pipeline of the primary steam pipeline 10; a bottom end interface of the steam-water heat exchanger 1 is connected with one end of a primary condensed water pipeline 11, the other end of the primary condensed water pipeline 11 is connected with a condensed water tank 2 through a pipeline, and the condensed water tank 2 is communicated to a tap water pipeline 9 through a condensed water tank water supplementing pipeline 12; the condensed water tank 2 is also connected with a condensed water tank water supply pipeline 8, the bottom of the condensed water tank 2 is connected with a blow-off pipe 23, and a valve is arranged on the blow-off pipe 23. The condensed water tank water supply pipeline 8 comprises a condensed water supply pipe a and a condensed water supply pipe b which are arranged in parallel, and condensed water pumps 4 are arranged on the condensed water supply pipe a and the condensed water supply pipe b;
a safety pipeline is connected to a pipeline between the secondary water return pipeline 7 and the constant-pressure water supplementing system 3, and a safety valve 15 is arranged on the safety pipeline; the constant-pressure water supplementing system 3 comprises a pressure stabilizing tank 16, a water supplementing pipe a17, a water supplementing pipe b18 and a water supplementing tank 20, wherein the water supplementing pipe a17 is connected with the water supplementing pipe b18 in parallel, a water supplementing pump 19 is arranged on each of the water supplementing pipe a17 and the water supplementing pipe b18, a connecting pipeline between the water supplementing pipe a17 and one end of the water supplementing pipe b18 is connected with the pressure stabilizing tank 16, a connecting pipeline between the water supplementing pipe a17 and the other end of the water supplementing pipe b18 is connected with the water supplementing tank 20, and the water supplementing tank 20 is connected with a tap water pipeline 9. A liquid level meter 21 is arranged in the water replenishing tank 20 and used for monitoring the liquid level condition in the water replenishing tank 20, a drain pipe 23 is connected to the bottom of the water replenishing tank 20, and a valve is arranged on the drain pipe 23. A water softener 22 is connected to the water supply pipe 9 and is located on one side of the water replenishing tank 20 to soften the water supply.
And the secondary water return pipe a7.1, the secondary water return pipe b7.2, the condensed water supply pipe a, the condensed water supply pipe b, the water supplementing pipe a17 and the water supplementing pipe b18 are all provided with a filter 24.
All be equipped with thermometer and manometer on secondary water supply pipe 6, secondary return water pipeline 7, primary steam pipeline 10, primary condensate water pipeline 11 for the monitoring temperature and pressure condition are convenient for in time discover unusually.
Pressure gauges are arranged on the secondary water return pipe a7.1, the secondary water return pipe b7.2, the water replenishing pipe a17, the water replenishing pipe b18, the condensed water supply pipe a, the condensed water supply pipe b, the tap water pipeline 9 and the condensed water tank water replenishing pipeline 12.
The steam-water heat exchanger 1 is used for exchanging heat between a primary heat source and secondary circulating water, the condensate water tank 2 is used for storing condensate water generated after primary steam heat exchange, the constant-pressure water supplementing system 3 is used for supplementing water to the whole heat exchange system at constant pressure, the condensate water pump 4 is used for providing power for condensate water recycling, and the circulating water pump 5 is used for providing power for secondary circulating water circulation.
The condensing water tank 2 is additionally arranged, heat is transferred to a secondary circulating water system through steam-water heat exchanger 1 by steam on one side, condensed water generated under the action of liquefaction in the process is conveyed to the condensing water tank 2 under the action of primary steam side pressure, and when the liquid level of the condensing water tank 2 reaches the water tank overflow liquid level, the condensed water is automatically discharged to a designated discharge place through an overflow pipe of the condensing water tank. A condensate pump 4 is additionally arranged: and collecting the condensed water in the condensed water tank 2, and performing secondary utilization under the action of a condensed water pump 4.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (5)
1. An energy-saving heat recovery steam heat exchange system comprises a steam-water heat exchanger (1) and is characterized in that, a water outlet (1.1) at one side of the steam-water heat exchanger (1) is connected with a secondary water supply pipeline (6), an electric valve (13) is arranged on the secondary water supply pipeline (6), a water return port (1.2) at one side of the steam-water heat exchanger (1) is connected with a secondary water return pipeline (7), the secondary water return pipeline (7) comprises a secondary water return pipe a (7.1) and a secondary water return pipe b (7.2) which are connected in parallel, circulating water pumps (5) are arranged on the secondary water return pipe a (7.1) and the secondary water return pipe b (7.2), a connecting pipeline between the secondary water return pipe a (7.1) and one end of the secondary water return pipe b (7.2) is connected to the water return port (1.2), and a connecting pipeline between the secondary water return pipe a (7.1) and the other end of the secondary water return pipe b (7.2) is connected with the constant-pressure water supplementing system (3);
a primary steam pipeline (10) is connected to a top end interface of the steam-water heat exchanger (1), and a heat exchanger shut-off valve (14) is arranged on the pipeline of the primary steam pipeline (10); a bottom end interface of the steam-water heat exchanger (1) is connected with one end of a primary condensed water pipeline (11), the other end of the primary condensed water pipeline (11) is connected with a condensed water tank (2) through a pipeline, and the condensed water tank (2) is communicated to a tap water pipeline (9) through a condensed water tank water supply pipeline (12); the condensed water tank (2) is also connected with a condensed water tank water supply pipeline (8), the condensed water tank water supply pipeline (8) comprises a condensed water supply pipe a and a condensed water supply pipe b which are mutually connected in parallel, and condensed water pumps (4) are respectively arranged on the condensed water supply pipe a and the condensed water supply pipe b;
a safety pipeline is connected to a pipeline between the secondary water return pipeline (7) and the constant-pressure water supplementing system (3), and a safety valve (15) is arranged on the safety pipeline; the constant-pressure water supplementing system (3) comprises a pressure stabilizing tank (16), a water supplementing pipe a (17), a water supplementing pipe b (18) and a water supplementing tank (20), wherein the water supplementing pipe a (17) is connected with the water supplementing pipe b (18) in parallel, a water supplementing pump (19) is arranged on the water supplementing pipe a (17) and the water supplementing pipe b (18), a connecting pipeline of one end of the water supplementing pipe a (17) and one end of the water supplementing pipe b (18) is connected with the pressure stabilizing tank (16), a connecting pipeline of the other end of the water supplementing pipe a (17) and the other end of the water supplementing pipe b (18) is connected with the water supplementing tank (20), and the water supplementing tank (20) is connected with a tap water pipeline (9).
2. An energy-saving heat recovery steam heat exchange system according to claim 1, wherein a liquid level meter (21) is arranged in the water replenishing tank (20), and a water softener (22) is connected to the tap water pipeline (9) and is positioned on one side of the water replenishing tank (20).
3. The energy-saving heat recovery steam heat exchange system according to claim 1, wherein a drain pipe (23) is connected to the bottom of the condensed water tank (2), and a valve is arranged on the drain pipe (23).
4. The energy-saving heat recovery steam heat exchange system according to claim 2, wherein a drain pipe (23) is connected to the bottom of the water replenishing tank (20), and a valve is arranged on the drain pipe (23).
5. The energy-saving heat recovery steam heat exchange system according to claim 1, wherein the secondary water return pipe a (7.1), the secondary water return pipe b (7.2), the condensed water supply pipe a, the condensed water supply pipe b, the water replenishing pipe a (17) and the water replenishing pipe b (18) are all provided with a filter (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330492.1U CN211204183U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery steam heat transfer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330492.1U CN211204183U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery steam heat transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204183U true CN211204183U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922330492.1U Active CN211204183U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery steam heat transfer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211204183U (en) |
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2019
- 2019-12-23 CN CN201922330492.1U patent/CN211204183U/en active Active
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