CN217685308U - Energy-saving heat supply mixed flow diode network system - Google Patents
Energy-saving heat supply mixed flow diode network system Download PDFInfo
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- CN217685308U CN217685308U CN202221810853.8U CN202221810853U CN217685308U CN 217685308 U CN217685308 U CN 217685308U CN 202221810853 U CN202221810853 U CN 202221810853U CN 217685308 U CN217685308 U CN 217685308U
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Abstract
The utility model relates to a second grade pipe network heat supply technical field, especially energy-saving heat supply mixed flow diode network system, including the heating power station, the heat exchanger is installed to the heating power station inside, the heat supply end of heat exchanger connects one-level water supply line, one-level return water line, the heat transfer end of heat exchanger connects second grade water supply line, second grade return water line, the end connection user side of second grade water supply line, second grade return water line; also provided with a mixed flow heat supplementing bypass unit and a water supplementing unit. The second grade pipe network of this system directly carries to the user side after with and the pipe network heat transfer, when handling different outside heating environment demands and different heating temperature demands simultaneously, through adopting the high-temperature water of the direct mixed flow one-level water supply of mixed flow concurrent heating bypass unit, can realize the regulation and control mixed flow proportion according to the user side demand simultaneously to reach the purpose of energy-conserving mixed flow effectively, improve the ability and the effect of second grade pipe network heat supply.
Description
Technical Field
The utility model relates to a second grade pipe network heat supply technical field, in particular to can realize novel user side heating system, especially energy-saving heat supply mixed flow diode network system of pipe network as required mixed flow.
Background
The heat supply system is generally divided into a primary pipe network and a secondary pipe network, wherein the primary pipe network is a heat supply pipeline system for transferring heat from a heat plant to a heat station, and the temperature and pressure ratio of a primary network are higher; the secondary pipe network refers to a heat supply pipeline system for transferring heat from a heating power station to a heat user, and the temperature and pressure of the secondary pipe network are much lower than those of the primary pipe network.
At present, a traditional urban central heating system generally conveys heat to heating stations of each district through a primary pipeline in a heating plant, and the heating stations are responsible for checking, adjusting and converting heating media conveyed by a heat supply network and finally convey the heating media to homes of users through a secondary pipeline.
For example, a centralized heating intelligent management and control system is disclosed in patent document CN201710688759.7, and it can be seen from the description of the heating system in the prior art that the heating equipment system includes a heat source plant, a primary network, a plurality of heat exchange stations and a heat storage device, where the heat exchange stations are respectively connected with user terminals in corresponding areas, and the like.
However, in the process of practical application, the inside supporting system that needs of heating power station is complicated, the working cost is high can be caused to this kind of structure of tradition, and the secondary pipe network can cause the waste of the energy because the throttle loss of upper reaches, waste etc. can influence the heating effect of secondary pipe network simultaneously, be unfavorable for the effective utilization of low temperature waste heat source, in addition, the heat supply demand of user side under special weather condition hardly reaches to satisfy, especially general effect is relatively poor when heating under some remote, big difference in temperature, big difference in height's operating mode.
Therefore, the utility model discloses the problem that exists among the second grade pipe network heat supply process to existence among the prior art is researched and is improved to a novel user side heating system that can realize the pipe network mixed flow as required has been designed, is used for solving the problem that exists among the prior art better.
The noun terms explain:
a thermal power plant: the heat power prime motor is used for driving the generator, so that a cogeneration plant can be realized.
A heat station: the heat supply network is connected with the connection place of the heat user, and a heat exchanger set is arranged in the connection place.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the energy-saving heat supply mixed-flow diode network system comprises a heating station, wherein a heat exchanger is arranged in the heating station, the heat supply end of the heat exchanger is connected with a primary water supply pipeline and a primary water return pipeline, the heat exchange end of the heat exchanger is connected with a secondary water supply pipeline and a secondary water return pipeline, and the tail ends of the secondary water supply pipeline and the secondary water return pipeline are connected with a user side; the mixed-flow heat supplementing bypass unit is used for proportionally mixing and conveying high-temperature water which is not subjected to heat exchange and is in the primary water supply pipeline to the secondary water supply pipeline and improving the water temperature, and the water supplementing unit is used for supplementing water to the secondary water return pipeline according to needs; and a second-stage circulating pump is arranged on the second-stage water supply pipeline.
In any of the above schemes, preferably, a second-stage heat outlet thermometer with a temperature sensor is connected to a pipeline at a heat exchange water outlet end of the second-stage water supply pipeline, and a second-stage heat inlet thermometer with a temperature sensor is installed on the second-stage water supply pipeline at the user end.
In any of the above schemes, preferably, the pipeline at the heat exchange return end of the secondary return line is connected with a secondary cold return thermometer with a temperature sensor, and the secondary return line at the user end is provided with a secondary cold outlet thermometer with a temperature sensor.
In any of the above solutions, it is preferable that each temperature sensor is in signal connection with the external main heating control system.
In any of the above schemes, preferably, the mixed-flow concurrent heating bypass unit includes a mixed-flow bypass, a water inlet end of the mixed-flow bypass is connected to the primary water supply line upstream of the heat exchanger, a branch electric control valve is installed on each of a water inlet end of the mixed-flow bypass and a pipe of a water outlet end of the primary water supply line connected to the heat exchanger, and a water outlet end of the mixed-flow bypass is respectively connected to corresponding positions on the secondary water supply line downstream of the heat exchanger through a first mixed-flow branch pipe and a second mixed-flow branch pipe at a tail end of the mixed-flow bypass.
In any of the above schemes, preferably, a pipeline insulating layer is arranged on the surface of the mixed flow bypass.
In any of the above embodiments, it is preferable that a connection point of the first mixed flow dividing pipe and the secondary water supply line is located on the secondary water supply line between the secondary heat outlet thermometer and the heat exchanger, and a connection point of the second mixed flow dividing pipe and the secondary water supply line is located on the secondary water supply line between the secondary heat outlet thermometer and the secondary heat inlet thermometer and on a side close to the secondary heat outlet thermometer.
In any of the above schemes, preferably, a mixed flow booster pump is installed on the mixed flow bypass.
In any of the above solutions, preferably, a fast water mixer is installed at the connection point of the first mixed flow dividing pipe and the secondary water supply line and at the connection point of the second mixed flow dividing pipe and the secondary water supply line.
It is preferred in above-mentioned arbitrary scheme, the moisturizing unit includes the moisturizing case, the end of intaking of moisturizing case advances water piping connection through the moisturizing one-level wet return line install moisturizing intake control valve, moisturizing intake pump on the moisturizing inlet tube, the play water end of moisturizing case is through moisturizing play water piping connection the second grade wet return line install moisturizing play water control valve, moisturizing play water pump on the moisturizing outlet pipe. .
In any of the above schemes, preferably, a connection point of the water replenishing outlet pipe and the secondary water return pipeline is located on the secondary water return pipeline close to the secondary cold return thermometer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the second grade pipe network of this system directly carries to the user side after with and the pipe network heat transfer, when handling different outside heating environment demands and different heating temperature demands simultaneously, through adopting the high-temperature water of the direct mixed flow one-level water supply of mixed flow concurrent heating bypass unit, can realize the regulation and control mixed flow proportion according to the user side demand simultaneously to reach the purpose of energy-conserving mixed flow effectively, improve the ability and the effect of second grade pipe network heat supply.
2. The mixed-flow heat-supplementing bypass unit adopts two pipelines of the first mixed-flow shunt pipe and the second mixed-flow shunt pipe to carry out fixed-point conveying at the near end and the far end or simultaneously convey the near end and the far end, so that different mixed-water heating effects can be better realized.
3. The water replenishing unit directly adopts a secondary water return pipeline to perform warm water replenishing, so that the water replenishing temperature difference is reduced, and the purpose of rapidly replenishing water and reducing the temperature difference is achieved.
4. All be provided with corresponding thermometer on second grade water supply line, the second grade return water line and be used for monitoring business turn over user's rivers temperature to reach the effect according to monitoring temperature control mixed flow proportion and heat supply end heat source temperature effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of the wiring structure of the system pipeline of the present invention.
Fig. 2 is an enlarged schematic structural view of the mixed flow heat-supplementing bypass unit of the present invention.
In the figure, 1, a heat station; 2. a heat exchanger; 3. a primary water supply line; 4. a primary water return line; 5. a secondary water supply line; 6. a secondary water return line; 7. a user side; 8. a second-stage circulating pump; 9. a secondary heat-out thermometer; 10. a secondary heat inlet thermometer; 11. a secondary cold return thermometer; 12. a secondary cooling thermometer; 13. a mixed flow bypass; 14. a shunt electric control valve; 15. a first mixed flow shunt tube; 16. a second mixed flow dividing pipe; 17. a mixed flow on-off control valve; 18. a mixed flow booster pump; 19. a rapid water mixer; 20. a water replenishing tank; 21. a water replenishing inlet pipe; 22. a water replenishing and feeding control valve; 23. a water replenishing and feeding pump; 24. a water replenishing outlet pipe; 25. a water replenishing and discharging control valve; 26. and a water replenishing and discharging pump.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in the figure 1-2.
Example 1:
the energy-saving heat supply mixed-flow diode network system comprises a heating station 1, wherein a heat exchanger 2 is installed in the heating station 1, the heat supply end of the heat exchanger 2 is connected with a primary water supply pipeline 3 and a primary water return pipeline 4, the heat exchange end of the heat exchanger 2 is connected with a secondary water supply pipeline 5 and a secondary water return pipeline 6, and the tail ends of the secondary water supply pipeline 5 and the secondary water return pipeline 6 are connected with a user side 7; the mixed-flow heat supplementing bypass unit is used for proportionally mixing and conveying high-temperature water which is not subjected to heat exchange and is in the primary water supply pipeline 3 to the secondary water supply pipeline 5 and improving the water temperature, and the water supplementing unit is used for supplementing water to the secondary water return pipeline 6 as required; and a secondary circulating pump 8 is arranged on the secondary water supply pipeline 5. This energy-saving heat supply mixed flow diode network system directly utilizes heat exchanger 2 inside the heating power station 1 to realize when supplying heat and realize the heat transfer with the one-level pipe network that is close to the heat source end, directly carry hot water to user 7 through second grade water supply line 5 after the heat transfer of second grade pipe network, the in-process of carrying can realize heat supply pressure control through controlling second grade circulating pump 8, mixed flow concurrent heating bypass unit is in the closed condition under the normal condition, only rely on heat exchanger 2 heat transfer back second grade pipe network just can reach the heat supply temperature demand, it can to rely on the direct heat supply of second grade pipe network this moment.
When external environment temperature reduces or heat supply heat source temperature is lower can be through opening mixed flow concurrent heating bypass unit for it can be from the second grade water supply line 5 that some hot water of direct reposition of redundant personnel got into the second grade pipe network on the one-level water supply line 3 of high temperature end, thereby reach the purpose of more rapid promotion second grade heat supply temperature, the proportion of mixed flow volume and mixed flow is adjusted as required and is regulated and control, thereby reach the purpose of guaranteeing the heat supply temperature better, promote the heat supply effect of second grade pipe network.
In any of the above solutions, preferably, a secondary heat-discharging thermometer 9 with a temperature sensor is connected to the pipeline at the heat exchange water outlet end of the secondary water supply pipeline 5, and a secondary heat-feeding thermometer 10 with a temperature sensor is installed on the secondary water supply pipeline 5 at the user end 7.
The secondary heat outlet thermometer 9 and the secondary heat inlet thermometer 10 can effectively monitor the temperature of the secondary water supply inlet end and each point position before the secondary water supply enters the user end 7, and accurate monitoring is facilitated.
In any of the above schemes, preferably, a pipeline at the heat exchange and return end of the secondary water return pipeline 6 is connected with a secondary cold return thermometer 11 with a temperature sensor, and the secondary water return pipeline 6 at the user end 7 is provided with a secondary cold outlet thermometer 12 with a temperature sensor.
The secondary cold outlet thermometer 12 and the secondary cold return thermometer 11 can effectively monitor the temperature of each point position when the secondary return water is at the user end 7 and when the cold water of the secondary return water flows back, so that the secondary cold outlet thermometer is convenient for accurate monitoring, and meanwhile, the secondary cold outlet thermometer is convenient for quantitative and periodic water supplement.
In any of the above solutions, it is preferable that the mixed-flow heat-supplementing bypass unit includes a mixed-flow bypass 13, a water inlet end of the mixed-flow bypass 13 is connected to the primary water supply line 3 upstream of the heat exchanger 2, a branch electric control valve 14 is installed on each of a water inlet end of the mixed-flow bypass 13 and a pipe of a water outlet end of the primary water supply line 5 connected to the heat exchanger 2, and a water outlet end of the mixed-flow bypass 13 is connected to a corresponding position on the secondary water supply line 5 downstream of the heat exchanger 2 through a first mixed-flow branch pipe 15 and a second mixed-flow branch pipe 16 at its end.
When the mixed-flow heat-supplementing bypass unit needs to be opened, the mixed-flow bypass 13 and the shunt electric control valve 14 at the position of the first-level water supply line 3 are directly controlled to control hot water of the first-level water supply line 3 to be shunted to the heat exchanger 2 and to flow back through the first-level water return line 4, the other part of the mixed-flow bypass 13 enters the mixed-flow bypass 13, then the hot water passes through the corresponding first mixed-flow shunt pipe 15, the second mixed-flow shunt pipe 16 enters the corresponding second-level water supply line and then passes through the water mixer at the corresponding position to realize quick water mixing, high-temperature water after water mixing is directly conveyed to the user side 7, and therefore the heat supply capacity of a second-level pipe network is effectively improved.
In any of the above solutions, it is preferable that the connection point of the first mixed flow dividing pipe 15 and the secondary water supply line 5 is located on the secondary water supply line 5 between the secondary heat-discharging thermometer 9 and the heat exchanger 2, and the connection point of the second mixed flow dividing pipe 16 and the secondary water supply line 5 is located on the secondary water supply line 5 between the secondary heat-discharging thermometer 9 and the secondary heat-feeding thermometer 10 and near the secondary heat-discharging thermometer 9.
It is preferred in above-mentioned arbitrary scheme, the moisturizing unit includes moisturizing case 20, the end of intaking of moisturizing case 20 is connected through moisturizing inlet tube 21 one-level wet return 4 install moisturizing intake control valve 22, moisturizing intake pump 23 on the moisturizing inlet tube 21, the water outlet end of moisturizing case 20 is connected through moisturizing outlet pipe 24 second grade wet return 6 install moisturizing play water control valve 25, moisturizing play water pump 26 on the moisturizing outlet pipe 24.
The water replenishing source of the water replenishing tank 20 and the warm water in the secondary return water can better play a role of energy saving compared with the way of directly accessing the external cold water, so that the water temperature after water replenishing cannot be greatly reduced, small temperature rise is possible, and the water can be directly replenished to the secondary return water pipeline 6 by opening the water outlet control valve and the water replenishing water outlet pump 26 during water replenishing, so that the balance of water pressure is kept.
Example 2:
the energy-saving heat supply mixed flow diode network system comprises a heat station 1, wherein a heat exchanger 2 is installed inside the heat station 1, the heat supply end of the heat exchanger 2 is connected with a primary water supply pipeline 3 and a primary water return pipeline 4, the heat exchange end of the heat exchanger 2 is connected with a secondary water supply pipeline 5 and a secondary water return pipeline 6, and the tail ends of the secondary water supply pipeline 5 and the secondary water return pipeline 6 are connected with a user end 7; the system is also provided with a mixed flow heat supplementing bypass unit and a water supplementing unit, wherein the mixed flow heat supplementing bypass unit is used for realizing the mixed flow and the delivery of high-temperature water which is not subjected to heat exchange and is inside the primary water supply pipeline 3 to the secondary water supply pipeline 5 in proportion and realizing the improvement of water temperature, and the water supplementing unit is used for realizing the water supplementing of the secondary water return pipeline 6 according to the requirement; and a secondary circulating pump 8 is arranged on the secondary water supply pipeline 5. This energy-saving heat supply mixed flow diode network system directly utilizes heat exchanger 2 inside the heating power station 1 to realize when supplying heat and realize the heat transfer with the one-level pipe network that is close to the heat source end, directly carry hot water to user 7 through second grade water supply line 5 after the heat transfer of second grade pipe network, the in-process of carrying can realize heat supply pressure control through controlling second grade circulating pump 8, mixed flow concurrent heating bypass unit is in the closed condition under the normal condition, only rely on heat exchanger 2 heat transfer back second grade pipe network just can reach the heat supply temperature demand, it can to rely on the direct heat supply of second grade pipe network this moment.
When external environment temperature reduces or heat supply heat source temperature is lower can be through opening mixed flow concurrent heating bypass unit for it can be from the second grade water supply line 5 that some hot water of direct reposition of redundant personnel got into the second grade pipe network on the one-level water supply line 3 of high temperature end, thereby reach the purpose of more rapid promotion second grade heat supply temperature, the proportion of mixed flow volume and mixed flow is adjusted as required and is regulated and control, thereby reach the purpose of guaranteeing the heat supply temperature better, promote the heat supply effect of second grade pipe network.
In any of the above solutions, preferably, a secondary heat-discharging thermometer 9 with a temperature sensor is connected to the pipeline at the heat exchange water outlet end of the secondary water supply pipeline 5, and a secondary heat-entering thermometer 10 with a temperature sensor is installed on the secondary water supply pipeline 5 at the user end 7.
The secondary heat outlet thermometer 9 and the secondary heat inlet thermometer 10 can effectively monitor the temperature of each point position before the secondary water supply inlet end and the secondary water supply enter the user end 7, and accurate monitoring is facilitated.
In any of the above schemes, preferably, a second-stage cold-return thermometer 11 with a temperature sensor is connected to a pipeline at the heat exchange return end of the second-stage return pipeline 6, and a second-stage cold-outlet thermometer 12 with a temperature sensor is installed on the second-stage return pipeline 6 of the user end 7.
The secondary cold outlet thermometer 12 and the secondary cold return thermometer 11 can effectively monitor the temperature of each point position when the secondary return water is at the user end 7 and when the cold water of the secondary return water flows back, so that the secondary cold outlet thermometer is convenient for accurate monitoring, and meanwhile, the secondary cold outlet thermometer is convenient for quantitative and periodic water supplement.
In any of the above schemes, preferably, each temperature sensor is in signal connection with an external total heat supply control system, and the total heat supply control system provided herein belongs to a general system of an existing heating system, and has a pipe network monitoring and analyzing capability.
In any of the above schemes, it is preferable that the mixed-flow concurrent heating bypass unit includes a mixed-flow bypass 13, a water inlet end of the mixed-flow bypass 13 is connected to the primary water supply line 3 upstream of the heat exchanger 2, a branch electric control valve 14 is installed on each of a water inlet end of the mixed-flow bypass 13 and a pipe of a water outlet end of the primary water supply line 5 connected to the heat exchanger 2, and a water outlet end of the mixed-flow bypass 13 is connected to a corresponding position on the secondary water supply line 5 downstream of the heat exchanger 2 through a first mixed-flow branch pipe 15 and a second mixed-flow branch pipe 16 at ends thereof.
When the mixed-flow heat-supplementing bypass unit needs to be opened, the mixed-flow bypass 13 and the shunt electric control valve 14 at the position of the first-level water supply line 3 are directly controlled to control hot water of the first-level water supply line 3 to be shunted to the heat exchanger 2 and to flow back through the first-level water return line 4, the other part of the mixed-flow bypass 13 enters the mixed-flow bypass 13, then the hot water passes through the corresponding first mixed-flow shunt pipe 15 and the second mixed-flow shunt pipe 16 and enters the corresponding second-level water supply line and then rapidly mixes water through the water mixer at the corresponding position, high-temperature water after mixing water is directly conveyed to the user side 7, and therefore the heat supply capacity of a second-level pipe network is effectively improved.
In any of the above schemes, preferably, a pipe insulation layer is arranged on the surface of the mixed flow bypass 13.
The pipeline heat-insulating layer can effectively play a role in heat insulation, and the temperature difference and heat loss are reduced.
In any of the above solutions, it is preferable that the connection point of the first mixed flow dividing pipe 15 and the secondary water supply line 5 is located on the secondary water supply line 5 between the secondary heat outlet thermometer 9 and the heat exchanger 2, and the connection point of the second mixed flow dividing pipe 16 and the secondary water supply line 5 is located on the secondary water supply line 5 between the secondary heat outlet thermometer 9 and the secondary heat inlet thermometer 10 and near the secondary heat outlet thermometer 9.
In any of the above schemes, it is preferable that a mixed flow opening and closing control valve 17 is provided at each of the end of the first mixed flow branch pipe 15 and the end of the second mixed flow branch pipe 16.
The corresponding first mixed flow shunt pipe 15 and/or the first mixed flow shunt pipe 15 can be opened by controlling the opening of the mixed flow opening and closing control valve 17, so that the purpose of quick mixed flow, energy conservation and temperature rise is achieved.
In any of the above schemes, preferably, a mixed-flow booster pump 18 is installed on the mixed-flow bypass 13, which can effectively achieve the purpose of boosting and increasing speed, and ensure the rapid circulation of mixed-flow water.
In any of the above solutions, it is preferable that a fast water mixer 19 is installed at the connection point of the first mixed flow dividing pipe 15 and the secondary water supply line 5 and at the connection point of the second mixed flow dividing pipe 16 and the secondary water supply line 5.
The rapid water mixer 19 is a product in the prior art, can rapidly and fully mix water flow entering the rapid water mixer and then discharge the water flow, and the mixed water temperature is consistent, so that the condition that the water temperature is conveyed downstream due to temperature difference can be effectively avoided.
It is preferred in above-mentioned arbitrary scheme, the moisturizing unit includes moisturizing case 20, the end of intaking of moisturizing case 20 is connected through moisturizing inlet tube 21 one-level wet return 4 install moisturizing intake control valve 22, moisturizing intake pump 23 on the moisturizing inlet tube 21, the water outlet end of moisturizing case 20 is connected through moisturizing outlet pipe 24 second grade wet return 6 install moisturizing play water control valve 25, moisturizing play water pump 26 on the moisturizing outlet pipe 24.
Compared with the cold water directly connected to the outside, the water replenishing source of the water replenishing tank 20 and the warm water in the secondary return water can better play a role in energy saving, so that the temperature of the water after replenishing cannot be greatly reduced, and small temperature rise may also occur, and the water can be directly replenished to the secondary return water pipeline 6 by opening the water replenishing water outlet control valve 25 and the water replenishing water outlet pump 26 during replenishing, so that the balance of the water pressure is kept.
In any of the above schemes, it is preferable that the connection point of the water replenishing outlet pipe 24 and the secondary water return line 6 is located on the secondary water return line 6 near the secondary cold-return thermometer 11.
The second-stage cold return thermometer 11 can monitor the temperature of the cooling water after water supplement before entering the heat exchanger 2, and effectively ensures accurate monitoring.
The specific working principle is as follows: this energy-saving heat supply mixed flow diode network system directly utilizes heat exchanger 2 inside the heating power station 1 to realize when supplying heat and realize the heat transfer with the one-level pipe network that is close to the heat source end, directly carry hot water to user 7 through second grade water supply line 5 after the heat transfer of second grade pipe network, the in-process of carrying can realize heat supply pressure control through controlling second grade circulating pump 8, mixed flow concurrent heating bypass unit is in the closed condition under the normal condition, only rely on heat exchanger 2 heat transfer back second grade pipe network just can reach the heat supply temperature demand, it can to rely on the direct heat supply of second grade pipe network this moment. When external environment temperature reduces or heat supply heat source temperature is lower can be through opening mixed flow concurrent heating bypass unit for it can be from the second grade water supply line 5 that some hot water of direct reposition of redundant personnel got into the second grade pipe network on the one-level water supply line 3 of high temperature end, thereby reach the purpose of more rapid promotion second grade heat supply temperature, the proportion of mixed flow volume and mixed flow is adjusted as required and is regulated and control, thereby reach the purpose of guaranteeing the heat supply temperature better, promote the heat supply effect of second grade pipe network. The secondary pipe network of the system is directly conveyed to a user terminal 7 after exchanging heat with the pipe network, and meanwhile, when different external heat supply environment requirements and different heat supply temperature requirements are met, the mixed flow heat supplementing bypass unit is adopted to directly mix the high-temperature water of the primary water supply, and the mixed flow proportion can be regulated and controlled according to the requirements of the user terminal 7, so that the purpose of effectively saving energy and mixing flow is achieved, and the heat supply capacity and effect of the secondary pipe network are improved; the mixed-flow heat-supplementing bypass unit adopts a first mixed-flow shunt pipe 15 and a second mixed-flow shunt pipe 16 to carry out near-end and far-end fixed-point conveying or both conveying, so that different mixed-flow heating effects can be better realized; the water replenishing unit directly adopts the secondary water return pipeline 6 to replenish warm water, so that the water replenishing temperature difference is reduced, and the purpose of rapidly replenishing water and reducing the temperature difference is achieved; corresponding thermometers are arranged on the secondary water supply pipeline 5 and the secondary water return pipeline 6 and used for monitoring the water temperature of the inlet and outlet user end 7, and therefore the effects of effectively controlling the mixed flow proportion and the heat source temperature of the heat supply end according to the monitored temperature are achieved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention all fall within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. Energy-saving heat supply mixed flow diode network system, including the heating power station, heating power station internally mounted has the heat exchanger, its characterized in that: the heat supply end of the heat exchanger is connected with a primary water supply pipeline and a primary water return pipeline, the heat exchange end of the heat exchanger is connected with a secondary water supply pipeline and a secondary water return pipeline, and the tail ends of the secondary water supply pipeline and the secondary water return pipeline are connected with a user side; the mixed flow heat supplementing bypass unit is used for realizing the mixed flow and the transmission of high-temperature water which is not subjected to heat exchange and is inside the primary water supply pipeline to the secondary water supply pipeline in proportion and realizing the improvement of water temperature, and the water supplementing unit is used for realizing the water supplementing on the secondary water return pipeline according to the requirement; and a second-stage circulating pump is arranged on the second-stage water supply pipeline.
2. The energy-saving heating mixed flow diode grid system according to claim 1, wherein: and a second-stage heat outlet thermometer with a temperature sensor is connected to a pipeline at the heat exchange water outlet end of the second-stage water supply pipeline, and a second-stage heat inlet thermometer with a temperature sensor is installed on the second-stage water supply pipeline of the user side.
3. The energy-saving heat supply mixed flow diode network system according to claim 2, wherein: and a pipeline at the heat exchange and return end of the secondary water return pipeline is connected with a secondary cold return thermometer with a temperature sensor, and a secondary cold outlet thermometer with a temperature sensor is installed on the secondary water return pipeline of the user side.
4. The energy-saving heating mixed flow diode grid system according to claim 3, wherein: the mixed-flow heat-supplementing bypass unit comprises a mixed-flow bypass, the water inlet end of the mixed-flow bypass is connected to the position of the primary water supply line at the upstream of the heat exchanger, flow-dividing electric control valves are respectively installed on the water inlet end of the mixed-flow bypass and the pipeline at the water outlet end of the primary water supply line connected with the heat exchanger, and the water outlet end of the mixed-flow bypass is respectively connected to the corresponding positions on the secondary water supply line at the downstream of the heat exchanger through a first mixed-flow dividing pipe and a second mixed-flow dividing pipe at the tail end of the mixed-flow bypass.
5. The energy-saving heating mixed flow diode grid system according to claim 4, wherein: and a pipeline heat-insulating layer is arranged on the surface of the mixed flow bypass.
6. The energy-saving heating mixed flow diode grid system according to claim 5, wherein: the connection point of the first mixed flow dividing pipe and the second water supply pipeline is positioned on the second water supply pipeline between the second-stage heat outlet thermometer and the heat exchanger, and the connection point of the second mixed flow dividing pipe and the second water supply pipeline is positioned on the second water supply pipeline between the second-stage heat outlet thermometer and the second-stage heat inlet thermometer and is close to one side of the second-stage heat outlet thermometer.
7. The energy-saving heat supply mixed flow diode network system according to claim 6, wherein: the mixed flow bypass is provided with a mixed flow booster pump.
8. The energy-saving heat supply mixed flow diode network system according to claim 7, wherein: and quick water mixers are arranged at the connecting point of the first mixed flow dividing pipe and the secondary water supply line and the connecting point of the second mixed flow dividing pipe and the secondary water supply line.
9. The energy-saving heat supply mixed flow diode network system according to claim 8, wherein: the moisturizing unit includes the moisturizing case, the end of intaking of moisturizing case advances water piping connection through the moisturizing one-level wet return line install moisturizing intake control valve, moisturizing intake pump on the moisturizing inlet tube, the outlet end of moisturizing case goes out water piping connection through the moisturizing secondary water return line install moisturizing play water control valve, moisturizing play water pump on the moisturizing outlet pipe.
10. The energy-saving heating mixed flow diode grid system according to claim 9, wherein: and the connecting point of the water supplementing water outlet pipe and the second-stage water return pipeline is positioned close to the second-stage cold return thermometer on the second-stage water return pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221810853.8U CN217685308U (en) | 2022-07-14 | 2022-07-14 | Energy-saving heat supply mixed flow diode network system |
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| CN202221810853.8U CN217685308U (en) | 2022-07-14 | 2022-07-14 | Energy-saving heat supply mixed flow diode network system |
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| CN217685308U true CN217685308U (en) | 2022-10-28 |
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2022
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