CN219510871U - Mixed heat exchanger unit - Google Patents
Mixed heat exchanger unit Download PDFInfo
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- CN219510871U CN219510871U CN202320263576.1U CN202320263576U CN219510871U CN 219510871 U CN219510871 U CN 219510871U CN 202320263576 U CN202320263576 U CN 202320263576U CN 219510871 U CN219510871 U CN 219510871U
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Abstract
The utility model discloses a hybrid heat exchanger unit which comprises a steam-water heat exchanger, a water-water heat exchanger, a heat medium supply header pipe and a secondary water return header pipe, wherein an inlet of the heat medium supply header pipe is communicated with a high-temperature water inlet pipe and a steam inlet pipe, an outlet of the heat medium supply header pipe is communicated with a high-temperature water inlet branch pipe and a steam inlet branch pipe, an outlet of the high-temperature water inlet branch pipe is connected with a first water-water heat exchanger inlet, and a steam inlet branch pipe is connected with a first steam-water heat exchanger inlet. The mixed heat exchange unit technology solves the problem that a heat exchange station can only adopt a single heat source and single heat exchange equipment, can realize the automatic switching function of the heat source of the heat exchange station and is suitable for the automatic switching of the heat exchange equipment with different mediums, and for the heat exchange station with two heat source conditions, two heat sources can be simultaneously connected into the heat exchange station, one heat source is used as a standby heat source, so that the main problems of the traditional large heat exchange station and a large secondary network system are effectively solved, and the mixed heat exchange unit technology is a key technology for guaranteeing the heating of users.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a hybrid heat exchanger unit.
Background
The heat source of the traditional heat exchange station in the heating area of China adopts steam or high-temperature hot water, only one of the heat source and the heat source can not be shared, the heat exchanger in the traditional heat exchange has only one heat exchange mode, and the steam-water heat exchanger or the water-water heat exchanger has some defects in the actual operation process. If one of the heat sources is interrupted or the heat source is not sufficiently supplied, heating of the user is affected, and a bad influence is brought to the society.
The conventional double-heat source automatic switching unit is generally two identical heat exchangers, namely a plate heat exchanger or a shell-and-tube heat exchanger, when the heat exchangers are all plate heat exchangers, the heat resistance limitation of gaskets is met, the steam temperature cannot exceed 180 ℃, and when the steam is high-temperature steam, the plate heat exchangers cannot be suitable; the heat exchangers are shell-and-tube heat exchangers, and when the heat source is water heat exchange, the shell-and-tube heat exchangers have low heat exchange efficiency, larger heat exchange area and large occupied area, so that economic burden is increased for owners.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a hybrid heat exchange unit, wherein the hybrid heat exchange unit technology solves the problems that a heat exchange station can only adopt a single heat source and a single heat exchange device, can realize the automatic switching function of the heat source of the heat exchange station and the automatic switching of the heat exchange device applicable to different mediums, and for the heat exchange station with two heat source conditions, two heat sources can be simultaneously connected into the heat exchange station, one heat source is used as a standby heat source, so that the main problems of the traditional large heat exchange station and a large secondary network system are effectively solved, and the hybrid heat exchange unit is a key technology for guaranteeing the heating of users.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a mixed heat exchanger unit comprises a steam-water heat exchanger, a water-water heat exchanger, a heat medium supply header pipe and a secondary water return header pipe, wherein the inlet of the heat medium supply header pipe is communicated with a high-temperature water inlet pipe and a steam inlet pipe, the outlet of the heat medium supply header pipe is communicated with a high-temperature water inlet branch pipe and a steam inlet branch pipe, the outlet of the high-temperature water inlet branch pipe is connected with the inlet of the water-water heat exchanger, the steam inlet branch pipe is connected with the inlet of the steam-water heat exchanger, the outlet of the water-water heat exchanger is connected with a high-temperature water outlet branch pipe, the outlet of the steam-water heat exchanger is connected with a steam outlet branch pipe, the outlets of the high-temperature water outlet branch pipe and the steam outlet branch pipe are connected with a heat medium discharge header pipe, the outlet of the secondary water return header pipe is connected with a water return branch pipe and a water return branch pipe, the water return branch pipe is connected with the inlet of the water heat exchanger, the outlet of the water heat exchanger is connected with the water supply branch pipe, the outlet of the water supply branch pipe is connected with the water supply branch pipe, the outlet of the water inlet pipe is communicated with the secondary water supply pipe, the high-temperature water inlet pipe, the steam inlet pipe, the high-temperature water inlet pipe, the steam branch pipe, the steam inlet pipe, the steam outlet branch pipe, the high-temperature water outlet branch pipe and the water outlet branch pipe are connected with the water and the water return water.
The heat medium supply header pipe is provided with a Y-shaped filter.
The first outlet, the first inlet, the second outlet and the second inlet of the water-water heat exchanger are provided with a thermometer and a pressure gauge.
The first outlet, the first inlet, the second outlet and the second inlet of the steam-water heat exchanger are provided with a thermometer and a pressure gauge.
The steam-water heat exchanger is provided with a pressure relief opening.
And a pressurizing pump unit I is arranged on the secondary water return main pipe.
The secondary water return main pipe is provided with a back flushing dirt remover which is arranged on the secondary water return main pipe at the front side of the booster pump unit.
The secondary water return main pipe is provided with a water supplementing device, the water supplementing device comprises a water tank, the water tank is provided with a water supplementing port and a water supplying port, the water supplying port is connected with a second booster pump unit through a pipeline, and the second booster pump unit is communicated with the secondary water return main pipe.
The water tank is provided with an overflow port and a sewage outlet.
The water-water heat exchanger is a plate heat exchanger, and the steam-water heat exchanger is a shell-and-tube heat exchanger.
The beneficial effects of the utility model are as follows:
1) The mixed heat exchange unit technology solves the problems that a heat exchange station can only adopt a single heat source and a single heat exchange device, can realize the automatic switching function of the heat source of the heat exchange station and is suitable for the automatic switching of the heat exchange devices with different mediums, and for the heat exchange station with two heat source conditions, two heat sources can be simultaneously connected into the heat exchange station, one of the two heat sources is used as a standby heat source, so that the main problems of the traditional large heat exchange station and a large secondary network system are effectively solved, and the mixed heat exchange unit technology is a key technology for guaranteeing the heating of users. The utility model relates to a hybrid heat exchanger unit, which has the advantages of hybrid assembly, multifunction, flexible adjustment, quick response, capability of simultaneously meeting the automatic switching of two heat sources, and the like, can intelligently adjust operation parameters according to the condition of an incoming heat source, and realizes heat supply as required and heat exchanger selection as required.
2) The utility model relates to a mixed heat exchanger unit, which is formed by mixing a shell-and-tube heat exchanger and a platen heat exchanger. The heat exchanger is not limited by the temperature of high-temperature steam, the pressure bearing of the steam-water shell-and-tube heat exchanger is 4.0MPa, the temperature resistance is 500 ℃, the heat exchanger cannot be realized by a conventional double-heat-source automatic switching unit, the advantages of each heat exchanger can be fully utilized, the shell-and-tube heat exchanger is high in temperature resistance and pressure resistance, the heat transfer coefficient of the plate heat exchanger is high, the occupied area is small, the overhaul is convenient, the two heat exchangers are assembled in a mixed mode, and the heat exchanger is energy-saving and economical.
3) When the heat source is saturated steam with the steam pressure of 0.4MPa, the steam-water heat exchanger and the water-water heat exchanger can be simultaneously opened and used together, so that a better heat exchange effect is achieved.
4) According to different heat sources, any one or two of the heat sources can be selected for simultaneous use, the switching is convenient, the selectivity is extremely strong, the application range is wide, and any one operation mode can meet the heating requirement of a user.
5) The utility model has convenient switching, and the inlet and outlet of each heat exchanger are provided with enough electric valves, so the control is simple, and the automatic heat source switching solves the trouble that a single heat source cannot simultaneously meet two heat exchange requirements, solves the problem that a user stops heating due to the heat source problem, and can meet the heat supply requirements of various heat sources no matter a steam-water shell-and-tube heat exchange system or a water-water plate heat exchange system.
6) Each electric valve is controlled through the control cabinet, automatic control can be realized, manual operation can also be realized, switching is convenient, and controllability is strong.
7) The later maintenance of the hybrid heat exchanger unit is convenient, if the later heat source is fixed as a heat source, any other two outer heat exchangers are removed, the heat supply of the system can not be influenced, and when one heat exchanger can not meet the heat supply requirement, the other heat exchanger can be replaced by the same heat exchanger, and the replacement is convenient.
Drawings
FIG. 1 is a schematic diagram of a hybrid heat exchanger assembly according to the present utility model.
In the figure, 1, an electric regulating valve I; 2. an electric regulating valve II; 3. an electric regulating valve III; 4. an electric regulating valve IV; 5. an electric regulating valve V; 6. an electric regulating valve six; 7. an electric regulating valve seven; 8. an electric regulating valve eight; 9. a steam-water heat exchanger; 10. a water-water heat exchanger; 11. a Y-type filter; 12. a water tank; 13. a sewage outlet; 14. an overflow port; 15. back flushing the dirt remover; 16. a heat medium supply header pipe; 17. a heat medium discharging header pipe; 18. a secondary backwater main pipe; 19. a secondary water supply pipe;
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1, a hybrid heat exchanger unit comprises a steam-water heat exchanger 9, a water-water heat exchanger 10, a heat medium supply header 16 and a secondary water return header 18, wherein the inlet of the heat medium supply header 16 is communicated with a high-temperature water inlet pipe and a steam inlet pipe, the outlet of the heat medium supply header 16 is communicated with a high-temperature water inlet branch pipe and a steam inlet branch pipe, the outlet of the high-temperature water inlet branch pipe is connected with the inlet I of the water-water heat exchanger 10, the steam inlet branch pipe is connected with the inlet I of the steam-water heat exchanger 9, the outlet I of the water-water heat exchanger 10 is connected with a high-temperature water outlet branch pipe, the outlet I of the steam-water heat exchanger 9 is connected with a steam outlet branch pipe, the outlets of the high-temperature water outlet branch pipe and the steam outlet branch pipe are connected with a heat medium outlet header 17, the outlet of the secondary backwater main pipe 18 is connected with a first backwater branch pipe and a second backwater branch pipe, the first backwater branch pipe is connected with a second inlet of the water-water heat exchanger 10, the second backwater branch pipe is connected with a second inlet of the steam-water heat exchanger 9, the second outlet of the water-water heat exchanger 10 is connected with a first water supply branch pipe, the second outlet of the steam-water heat exchanger 9 is connected with a second water supply branch pipe, the first water supply branch pipe and the second water supply branch pipe are communicated with a secondary water supply pipe 19, and an electric regulating valve is arranged on the first water supply pipe, the steam inlet pipe, the high-temperature water inlet branch pipe, the steam inlet branch pipe, the high-temperature water outlet branch pipe, the steam outlet branch pipe and the first backwater branch pipe.
The heat medium supply header pipe is provided with a Y-shaped filter 11.
The first outlet, the first inlet, the second outlet and the second inlet of the water-water heat exchanger 10 are provided with a thermometer and a pressure gauge.
The first outlet, the first inlet, the second outlet and the second inlet of the steam-water heat exchanger 9 are provided with a thermometer and a pressure gauge.
The steam-water heat exchanger 9 is provided with a pressure relief opening.
And a pressurizing pump unit I is arranged on the secondary water return main pipe.
The secondary water return main pipe is provided with a back flush dirt remover 15, and the back flush dirt remover 15 is arranged on the secondary water return main pipe at the front side of the booster pump unit.
The secondary water return main pipe is provided with a water supplementing device, the water supplementing device comprises a water tank 12, the water tank 12 is provided with a water supplementing port and a water supplying port, the water supplying port is connected with a second booster pump unit through a pipeline, and the second booster pump unit is communicated with the secondary water return main pipe.
The water tank 12 is provided with an overflow port 14 and a drain port 13.
The water-water heat exchanger 10 is a plate heat exchanger, and the steam-water heat exchanger 9 is a shell-and-tube heat exchanger.
The working principle is that the heat exchange station has two heat source supply conditions, when the heat source is high-temperature steam, the electric regulating valve seven 7, the electric regulating valve five 5 and the electric regulating valve two 2 are closed, the electric regulating valve eight 8, the electric regulating valve one 1, the electric regulating valve six 6 and the electric regulating valve three 3 are opened, and only the steam-water shell-and-tube heat exchanger is used for heat exchange. When the steam system is in failure or insufficient in steam supply, the steam system is switched into a water system, the electric regulating valve eight 8, the electric regulating valve one 1, the electric regulating valve six 6 and the electric regulating valve three 3 are closed, the electric regulating valve seven 7, the electric regulating valve five 5 and the electric regulating valve two 2 are opened, and according to the heating medium supply condition, the heat exchanger can be freely switched through the electric valve at the inlet of the heat exchanger, so that the automatic switching of a double-heat source or multi-heat source system is realized, the automatic switching among different heat exchangers is realized, the running requirements of various working conditions are met, and the heating effect is realized.
The mixed heat exchange unit technology solves the problems that a heat exchange station can only adopt a single heat source and a single heat exchange device, can realize the automatic switching function of the heat source of the heat exchange station and is suitable for the automatic switching of the heat exchange devices with different mediums, and for the heat exchange station with two heat source conditions, two heat sources can be simultaneously connected into the heat exchange station, one of the two heat sources is used as a standby heat source, so that the main problems of the traditional large heat exchange station and a large secondary network system are effectively solved, and the mixed heat exchange unit technology is a key technology for guaranteeing the heating of users. The utility model relates to a hybrid heat exchanger unit, which has the advantages of hybrid assembly, multifunction, flexible adjustment, quick response, capability of simultaneously meeting the automatic switching of two heat sources, and the like, can intelligently adjust operation parameters according to the condition of an incoming heat source, and realizes heat supply as required and heat exchanger selection as required.
The utility model relates to a mixed heat exchanger unit, which is formed by mixing a shell-and-tube heat exchanger and a platen heat exchanger. The heat exchanger is not limited by the temperature of high-temperature steam, the pressure bearing of the steam-water shell-and-tube heat exchanger is 4.0MPa, the temperature resistance is 500 ℃, the heat exchanger cannot be realized by a conventional double-heat-source automatic switching unit, the advantages of each heat exchanger can be fully utilized, the shell-and-tube heat exchanger is high in temperature resistance and pressure resistance, the heat transfer coefficient of the plate heat exchanger is high, the occupied area is small, the overhaul is convenient, the two heat exchangers are assembled in a mixed mode, and the heat exchanger is energy-saving and economical.
When the heat source is saturated steam with the steam pressure of 0.4MPa, the steam-water heat exchanger 9 and the water-water heat exchanger 10 can be simultaneously opened and used together, so that a better heat exchange effect is achieved.
According to different heat sources, any one or two of the heat sources can be selected for simultaneous use, the switching is convenient, the selectivity is extremely strong, the application range is wide, and any one operation mode can meet the heating requirement of a user.
The utility model has convenient switching, and the inlet and outlet of each heat exchanger are provided with enough electric valves, so the control is simple, and the automatic heat source switching solves the trouble that a single heat source cannot simultaneously meet two heat exchange requirements, solves the problem that a user stops heating due to the heat source problem, and can meet the heat supply requirements of various heat sources no matter a steam-water shell-and-tube heat exchange system or a water-water plate heat exchange system.
Each electric valve is controlled through the control cabinet, automatic control can be realized, manual operation can also be realized, switching is convenient, and controllability is strong.
The later maintenance of the hybrid heat exchanger unit is convenient, if the later heat source is fixed as a heat source, any other two outer heat exchangers are removed, the heat supply of the system can not be influenced, and when one heat exchanger can not meet the heat supply requirement, the other heat exchanger can be replaced by the same heat exchanger, and the replacement is convenient.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The mixed heat exchanger unit comprises a steam-water heat exchanger, a water-water heat exchanger, a heat medium supply header pipe and a secondary water return header pipe, and is characterized in that an inlet of the heat medium supply header pipe is communicated with a high-temperature water inlet pipe and a steam inlet pipe, an outlet of the heat medium supply header pipe is communicated with a high-temperature water inlet branch pipe and a steam inlet branch pipe, an outlet of the high-temperature water inlet branch pipe is connected with the inlet of the water-water heat exchanger, the steam inlet branch pipe is connected with the inlet of the steam-water heat exchanger, an outlet of the water-water heat exchanger is connected with a high-temperature water outlet branch pipe, the outlet of the steam-water heat exchanger is connected with a steam outlet branch pipe, the outlets of the high-temperature water outlet branch pipe and the steam outlet branch pipe are connected with a heat medium discharge header pipe, the outlet of the secondary water return header pipe is connected with the first water return branch pipe and the second water return branch pipe, the water return branch pipe is connected with the inlet of the water heat exchanger, the outlet of the water heat exchanger is connected with the first water supply branch pipe, the second water supply branch pipe is connected with the outlet of the steam inlet pipe, the high-temperature water inlet pipe, the steam inlet branch pipe, the steam outlet of the steam outlet branch pipe, the high-temperature water outlet branch pipe, the steam outlet water, the first water outlet branch pipe and the upper water valve are provided.
2. A hybrid heat exchanger assembly according to claim 1, wherein the heat medium supply manifold is provided with Y-filters.
3. The hybrid heat exchanger unit according to claim 1, wherein the first outlet, the first inlet, the second outlet and the second inlet of the water-water heat exchanger are provided with thermometers and pressure gauges.
4. The hybrid heat exchanger unit according to claim 1, wherein the first, second and third steam-water heat exchangers are provided with thermometers and pressure gauges.
5. A hybrid heat exchanger assembly according to claim 1, wherein the steam-water heat exchanger is provided with pressure relief ports.
6. A hybrid heat exchanger unit according to claim 1, wherein the secondary return water manifold is provided with a first booster pump unit.
7. A hybrid heat exchanger unit according to claim 1, wherein the secondary return water main is provided with a backwash dirt remover, and the backwash dirt remover is provided on the secondary return water main on a front side of the booster pump unit.
8. The hybrid heat exchanger unit according to claim 1, wherein the secondary water return main pipe is provided with a water supplementing device, the water supplementing device comprises a water tank, the water tank is provided with a water supplementing port and a water supplying port, the water supplying port is connected with the second booster pump unit through a pipeline, and the second booster pump unit is communicated with the secondary water return main pipe.
9. A hybrid heat exchanger assembly according to claim 8, wherein the water tank is provided with overflow and drain ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320263576.1U CN219510871U (en) | 2023-02-16 | 2023-02-16 | Mixed heat exchanger unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320263576.1U CN219510871U (en) | 2023-02-16 | 2023-02-16 | Mixed heat exchanger unit |
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| Publication Number | Publication Date |
|---|---|
| CN219510871U true CN219510871U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320263576.1U Active CN219510871U (en) | 2023-02-16 | 2023-02-16 | Mixed heat exchanger unit |
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|---|---|
| CN (1) | CN219510871U (en) |
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- 2023-02-16 CN CN202320263576.1U patent/CN219510871U/en active Active
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