CN219243556U - High-efficient steam heating system - Google Patents
High-efficient steam heating system Download PDFInfo
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- CN219243556U CN219243556U CN202223159345.0U CN202223159345U CN219243556U CN 219243556 U CN219243556 U CN 219243556U CN 202223159345 U CN202223159345 U CN 202223159345U CN 219243556 U CN219243556 U CN 219243556U
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Abstract
The utility model relates to a high-efficiency steam heating system for cascade heat utilization. In order to step and utilize the energy of steam and ensure the heating temperature of the series heat exchangers, a pressure water storage tank is usually arranged between the two-stage heat exchangers, and the operation parameters of the two-stage heat exchangers are controlled through an electric valve and a water level gauge. The steam heater is characterized in that a flow divider is arranged between the steam heater and the condensate water heater, the flow divider is connected with the steam trap through a pipeline, and the condensate water heater is connected to a pipeline at the rear end of the steam trap through a pipeline. The utility model improves the heat utilization efficiency of steam, the two-stage heater is not affected, the system is simple and reliable, the cost is low, the utility model is very suitable for heating two cold media by steam/condensation water, and the utility model is convenient for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of steam heating devices, and particularly relates to a high-efficiency steam heating system capable of utilizing cascade heat.
Technical Field
The steam heater generally adopts saturated water to drain water, the drainage temperature is the steam saturation temperature under the pressure, saturated drainage flash evaporation is a steam-water mixture after passing through the steam trap, and the exhaust steam is difficult to recycle and is often diffused through an atmospheric pipe, so that energy is wasted and visual environment is influenced. The technology for solving the problem is to adopt a low-temperature steam trap or a control valve to control the temperature of the discharged water to be lower than the saturation temperature so as to realize supercooled water discharge, thereby utilizing the sensible heat of the saturated water and improving the heat utilization efficiency by 10-20%. However, the scheme is difficult to reform the old equipment and can be limited by sites, cold medium flow resistance, heating temperature requirements and the like. For energy saving, sensible heat of steam and latent heat of condensed water should be utilized in a cascade, which is ideal for heating two cold media, but it is difficult to ensure heating temperatures of the two cold media at the same time.
In order to step and utilize the energy of steam and ensure the heating temperature of the series heat exchangers, a pressure water storage tank is usually arranged between the two-stage heat exchangers, and the operation parameters of the two-stage heat exchangers are controlled through an electric valve and a water level gauge.
Disclosure of Invention
In order to solve the problems of high cost and low reliability of the series-connected steam and condensate heat exchanger system, the utility model provides a high-efficiency steam heating system, which simplifies the system, reduces the cost, improves the reliability and ensures that the series-connected two-stage heaters are not mutually affected.
The utility model adopts the following technical scheme: the high-efficiency steam heating system comprises a steam heater and a condensate water heater, and is characterized in that a flow divider is arranged between the steam heater and the condensate water heater and is connected with a steam trap through a pipeline, and the condensate water heater is connected to a pipeline at the rear end of the steam trap through a pipeline.
Preferably, the steam heater is disposed at a position higher than the condensate water heater.
Preferably, the steam heater is arranged in parallel in a plurality of sets, and the condensation water heater is also arranged in parallel in a plurality of sets.
Preferably, the diverter is of a tee structure, the horizontal interfaces of the diverter are respectively connected with the steam trap and the steam heater in a butt joint mode, and the bottom interface of the diverter is connected with the condensate water heater in a butt joint mode.
Preferably, a temperature regulating valve is arranged on an outlet pipeline of the condensation water heater.
The utility model has the beneficial effects that: the condensation water is controlled to enter the condensation water heat exchanger preferentially through the combination of the flow divider and the steam trap, and when the condensation water is excessive, the excessive part enters the steam trap through overflow of the flow divider to be discharged; when the condensed water is insufficient, the condensed water and part of steam enter the condensed water heat exchanger through the flow divider, so that the heating temperature of the condensed water heat exchanger is ensured. Therefore, the device does not need instruments and electric control, belongs to a simple and reliable step heating system, and replaces equipment such as a pressure tank, a water level gauge, an electric control valve and the like with a diverter and a steam trap of all-mechanical equipment.
The utility model improves the heat utilization efficiency of steam, the two-stage heater is not affected, the system is simple and reliable, the cost is low, the utility model is very suitable for heating two cold media by steam/condensation water, and the utility model is convenient for popularization and application.
Description of the drawings:
FIG. 1 is a schematic flow chart of the system of the present utility model.
Fig. 2 is a schematic diagram of another embodiment of the present utility model.
In the figure: 1. steam heater 2, condensate heater 3, regulating valve 4, steam trap 5, and flow divider.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
Specifically, the steam heater 1 is disposed at a position higher than the condensate water heater 2. This structure facilitates the self-flow of condensate into the condensate heater.
The diverter 5 is of a three-way structure, the horizontal interfaces of the diverter are respectively connected with the steam trap 4 and the steam heater 1 in a butt joint mode, and the bottom interface of the diverter is connected with the condensate water heater 2 in a butt joint mode. The outlet pipeline of the condensation water heater is provided with a temperature regulating valve 3.
During the series operation, the condensed water heated by the steam enters the flow divider, then enters the condensed water heater preferentially, is further cooled, and finally is discharged into the drain pipeline behind the steam trap through the regulating valve.
When the flow of the condensate water is insufficient, part of steam and the condensate water enter the flow divider together, then enter the condensate water heater for condensation heat exchange and supercooling heat exchange, and finally are discharged through the regulating valve by low-temperature water.
If the condensate flow rate of the steam heater is greater than the required flow rate of the condensate heater, the excess condensate overflows to the steam trap through the diverter and is discharged through the steam trap. Therefore, the combination of the diverter and the steam trap solves the problem of mutual influence of the heat exchangers connected in series, and achieves the aims of energy conservation and reliability.
In the embodiment 2, as shown in fig. 2, the steam heater 1 is arranged in a plurality of sets of parallel connection, and the condensation water heater 2 is also arranged in a plurality of sets of parallel connection. A temperature regulating valve 3 is arranged on the outlet pipe of each condensation water heater.
The utility model adopts gradient heat exchange technology and water level control technology of the diverter and the steam trap, and can obviously reduce the drainage temperature of condensed water and realize energy conservation on the premise of ensuring stable work.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (5)
1. The high-efficiency steam heating system comprises a steam heater and a condensate water heater, and is characterized in that a flow divider is arranged between the steam heater and the condensate water heater and is connected with a steam trap through a pipeline, and the condensate water heater is connected to a pipeline at the rear end of the steam trap through a pipeline.
2. An efficient steam heating system as defined in claim 1, wherein said steam heater is positioned above said condensate water heater.
3. An efficient steam heating system as claimed in claim 1 or 2, wherein the steam heater is arranged in parallel with a plurality of sets, and the condensate heater is also arranged in parallel with a plurality of sets.
4. A high efficiency steam heating system as set forth in claim 3 wherein said diverter is of a three-way configuration with its horizontal interface for interfacing the steam trap and steam heater respectively and its bottom interface for interfacing the condensate water heater.
5. A high efficiency steam heating system as set forth in claim 3 wherein a temperature regulating valve is provided on the outlet line of the condensate heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223159345.0U CN219243556U (en) | 2022-11-28 | 2022-11-28 | High-efficient steam heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223159345.0U CN219243556U (en) | 2022-11-28 | 2022-11-28 | High-efficient steam heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219243556U true CN219243556U (en) | 2023-06-23 |
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ID=86841280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223159345.0U Active CN219243556U (en) | 2022-11-28 | 2022-11-28 | High-efficient steam heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219243556U (en) |
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2022
- 2022-11-28 CN CN202223159345.0U patent/CN219243556U/en active Active
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