CN211011563U - Heat supply technology matched with large and small circulating pumps - Google Patents
Heat supply technology matched with large and small circulating pumps Download PDFInfo
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- CN211011563U CN211011563U CN201921692300.5U CN201921692300U CN211011563U CN 211011563 U CN211011563 U CN 211011563U CN 201921692300 U CN201921692300 U CN 201921692300U CN 211011563 U CN211011563 U CN 211011563U
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Abstract
The utility model discloses a supporting heat supply technique of big or small circulating pump, including 100% load circulating pump, the equal fixedly connected with secondary wet return in both ends of 100% load circulating pump, the secondary wet return keeps away from the 70% load circulating pump of fixedly connected with in position of 100% load circulating pump. The utility model discloses in, the system solves the problem that the heat load, the circulation flow are different in the first cold period, last cold period, severe cold period, the configuration of heating power station circulating pump big and small pump is designed on the basis of the heating industry operational experience throughout the year, is the best configuration that the seasonal load is different, works with 1 big pump in severe cold period, can realize 100% full load heat supply; in the initial cold period and the final cold period, the heat supply load is about 70%, 1 small pump with 70% load works, the pump can work at full load, and the water pump and the motor work at rated load with highest efficiency and most energy saving.
Description
Technical Field
The utility model relates to a heat supply technical field especially relates to a supporting heat supply technique of big or small circulating pump.
Background
In northern areas of China, the temperature is very cold in every winter, so that heating is needed every year when people enter the winter;
due to the seasonal characteristics of northern heat supply, heat supply is divided into an initial cold period, a severe cold period and a final cold period, heat supply loads of all stages are changed, according to experience, the heat supply loads of the initial cold period and the final cold period are approximately 70% of the heat supply loads of the severe cold period, the change of the heat supply loads can be directly reflected on water supply flow, the circulation flow of the initial cold period and the final cold period is approximately 70% of the circulation flow of the severe cold period, the maximum load occurs in the severe cold period, a lot of problems can exist according to the conventional design, in addition, the circulating pump can generate heat when working for a long time, and the circulating pump can be customized to operate due to the fact that the heat dissipation performance of the circulating pump is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a heat supply technology matched with a large and small circulating pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat supply technology matched with a large circulating pump and a small circulating pump comprises a 100% load circulating pump, wherein two ends of the 100% load circulating pump are fixedly connected with a secondary water return pipe, the position of the secondary water return pipe far away from the 100% load circulating pump is fixedly connected with a 70% load circulating pump, the position of the secondary water return pipe close to the 100% load circulating pump and the 70% load circulating pump is fixedly connected with a heat exchanger, the position of the heat exchanger far away from the secondary water return pipe close to the bottom is fixedly connected with a primary water return pipe, the position of the heat exchanger far away from the secondary water return pipe close to the top is fixedly connected with a primary water supply pipe, the position of the primary water supply pipe close to the heat exchanger is fixedly connected with a regulating valve, the position of the primary water supply pipe close to the regulating valve is fixedly connected with a pressure gauge, one side that the heat exchanger kept away from primary water supply pipe is close to top position fixedly connected with secondary water supply pipe, the bottom position fixedly connected with moisturizing case of secondary wet return, the one end fixedly connected with moisturizing pump of moisturizing case is kept away from to secondary wet return, 100% load circulating pump and 70% load circulating pump's top respectively fixedly connected with cooling jacket No. one and No. two cooling jackets, the inside of cooling jacket No. one and No. two cooling jackets all is equipped with the cooling bath.
As a further description of the above technical solution:
the 100% load circulating pump comprises a pump body, wherein a water inlet and a water outlet are respectively formed in the pump body, the water inlet and the water outlet are communicated, a motor shell is connected to the top of the pump body in a threaded mode, a motor is connected to the inside of the motor shell in an embedded mode, and an output shaft of the motor is fixedly connected with an impeller.
As a further description of the above technical solution:
the internal structure of the 70% load circulating pump is consistent with the internal structure of the 100% load circulating pump.
As a further description of the above technical solution:
the position of the secondary water return pipe, which is far away from the 100% load circulating pump and the 70% load circulating pump, is fixedly connected with a thermometer and a pressure gauge.
As a further description of the above technical solution:
and the position of the secondary water supply pipe, which is far away from the heat exchanger, is fixedly connected with a thermometer, a pressure gauge and a flowmeter.
As a further description of the above technical solution:
the equal fixedly connected with cooling tube in both ends of a cooling jacket, the one end fixedly connected with cooling water tank of 100% load circulating pump is kept away from to the cooling tube, cooling water tank's inside fixedly connected with cooling water pump, and fixed connection between cooling water pump and the cooling tube, cooling water tank's bottom is equipped with the cooling tube, all with cooling tube fixed connection between No. two cooling jackets and a cooling jacket and the cooling tube.
The utility model discloses following beneficial effect has:
1. the system solves the problems of different heat loads and circulation flows in the initial cold period, the final cold period and the severe cold period, the configuration of the large pump and the small pump of the circulating pump of the heating station is designed on the basis of the perennial operation experience of the heating industry, is the optimal configuration with different seasonal loads, and can realize 100 percent full load heat supply by using 1 large pump in the severe cold period; in the initial cold period and the final cold period, the heat supply load is about 70%, 1 small pump with 70% load works, the pump can work at full load, and the water pump and the motor work at rated load with highest efficiency and most energy saving.
2. This supporting heat supply technique of big or small circulating pump, through cooling water pump with cooling water tank's coolant liquid suction cooling jacket No. one, the coolant liquid rethread cooling jacket flows in No. two cooling jackets, thereby help 100% load circulating pump and 70% load circulating pump reduce the temperature of self, make its normal operating work, the coolant liquid flows in the cooling tube through the cooling tube in following No. two cooling jackets, because the cooling tube is the copper container, consequently the coolant liquid after being heated can be fully dispelled the heat in the cooling tube, treat that the coolant liquid fills up the cooling tube after, flow back to in the cooling water tank again.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a 100% load circulation pump of the present invention;
fig. 3 is a schematic view of a part of the structure of the present invention.
Illustration of the drawings: 1. 100% load circulation pump; 101. a pump body; 102. a motor housing; 103. a motor; 104. an impeller; 105. a water inlet; 106. a water outlet; 2. a 70% duty cycle pump; 3. a secondary water return pipe; 4. a heat exchanger; 5. a thermometer; 6. a pressure gauge; 7. a flow meter; 8. adjusting a valve; 9. a water replenishing tank; 10. a water replenishing pump; 11. a cooling jacket I; 12. a cooling tube; 13. a second cooling cover; 14. a radiating pipe; 15. a cooling tank; 16. A cooling water pump; 17. a cooling water tank; 18. a secondary water supply pipe; 19. a primary water supply pipe; 20. a primary water return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a heat supply technology matched with a large-and-small circulating pump comprises a 100% load circulating pump 1, wherein two ends of the 100% load circulating pump 1 are fixedly connected with a secondary water return pipe 3, the position of the secondary water return pipe 3 far away from the 100% load circulating pump 1 is fixedly connected with a 70% load circulating pump 2, the position of the secondary water return pipe 3 near the 100% load circulating pump 1 and the position of the 70% load circulating pump 2 are fixedly connected with a heat exchanger 4, the position of the heat exchanger 4 far away from one side of the secondary water return pipe 3 near the bottom is fixedly connected with a primary water return pipe 20, the position of the heat exchanger 4 far away from one side of the secondary water return pipe 3 near the top is fixedly connected with a primary water supply pipe 19, the position of the primary water supply pipe 19 near the heat exchanger 4 is fixedly connected with a regulating valve 8, the primary water supply, position fixedly connected with thermometer 5 that primary water supply pipe 19 is close to manometer 6, one side that primary water supply pipe 19 was kept away from to heat exchanger 4 is close to top position fixedly connected with secondary water supply pipe 18, the bottom position fixedly connected with moisturizing case 9 of secondary wet return 3, one end fixedly connected with moisturizing pump 10 that moisturizing case 9 was kept away from to secondary wet return 3, 100% load circulating pump 1 and 70% load circulating pump 2's top difference fixedly connected with cooling jacket 11 and No. two cooling jackets 13, the inside of a cooling jacket 11 and No. two cooling jackets 13 all is equipped with cooling bath 15.
The 100% load circulating pump 1 comprises a pump body 101, a water inlet 105 and a water outlet 106 are respectively arranged inside the pump body 101, the water inlet 105 is communicated with the water outlet 106, the top of the pump body 101 is in threaded connection with a motor shell 102, a motor 103 is embedded and connected inside the motor shell 102, and an output shaft of the motor 103 is fixedly connected with an impeller 104, so that the whole heat supply technology is realized; the internal structure of the 70% load circulating pump 2 is consistent with the internal structure of the 100% load circulating pump 1, so that the whole heat supply technology is realized; the position of the secondary water return pipe 3, which is far away from the 100% load circulating pump 1 and the 70% load circulating pump 2, is fixedly connected with a thermometer 5 and a pressure gauge 6, so that the temperature and the pressure can be conveniently detected; the position of the secondary water supply pipe 18 far away from the heat exchanger 4 is fixedly connected with the thermometer 5, the pressure gauge 6 and the flow meter 7, so that the temperature, the pressure and the flow can be conveniently detected; equal fixedly connected with cooling tube 12 in both ends of cooling jacket 11, cooling tube 12 keeps away from 100% load circulating pump 1's one end fixedly connected with cooling water tank 17, cooling water tank 17's inside fixedly connected with cooling water pump 16, and fixed connection between cooling water pump 16 and the cooling tube 12, cooling water tank 17's bottom is equipped with cooling tube 14, equal and cooling tube 12 fixed connection between No. two cooling jackets 13 and a cooling jacket 11 and the cooling tube 14, help 100% load circulating pump 1 and 70% load circulating pump 2 reduce the temperature of self, make its normal operating work.
The working principle is as follows: when a heat supply technology matched with large and small circulating pumps is used, the technology controls a 70% load circulating pump (2) to work when the winter begins, when the initial cold period is changed to the severe cold period, the load is increased more through detection of a pressure gauge 6, the 70% load circulating pump 2 is controlled to be switched to a 100% load circulating pump 1, when the severe cold period is changed to the final cold period, the 100% load circulating pump 1 is controlled to be switched to the 70% load circulating pump 2, when the 100% load circulating pump 1 and the 70% load circulating pump 2 work, a motor 103 in a motor shell 102 drives an impeller 104 to rotate to pump water through a water inlet 105 of a pump body 101, water is discharged from a water outlet 106, the circulating pump works at the rated load with the highest efficiency and the highest energy saving performance, heat is generated when the 100% load circulating pump 1 and the 70% load circulating pump 2 work, and the self heat radiation performance of the circulating pump is poor, the heat can not be dissipated and the circulation pump can be stopped, therefore, the cooling water pump 16 pumps the cooling liquid in the cooling water tank 17 into the cooling tank 15 of the first cooling cover 11, the cooling liquid flows into the cooling tank 15 of the second cooling cover 13 through the first cooling cover 11, thereby helping the 100% load circulation pump 1 and the 70% load circulation pump 2 to reduce the temperature of the self, the normal operation work is realized, the cooling liquid flows into the radiating pipe 14 from the second cooling cover 13 through the cooling pipe 12, because the radiating pipe 14 is a copper container, the heated cooling liquid can be fully radiated in the radiating pipe 14, after the radiating pipe 14 is filled with the cooling liquid, the cooling liquid flows back to the cooling water tank 17, and the heat dissipation circulation is completed once, and the cooling water pump has certain practicability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. The utility model provides a supporting heat supply technology of big or small circulating pump, includes 100% load circulating pump (1), its characterized in that: the two ends of the 100% load circulating pump (1) are fixedly connected with secondary water return pipes (3), the position of the secondary water return pipe (3) far away from the 100% load circulating pump (1) is fixedly connected with a 70% load circulating pump (2), the position of the secondary water return pipe (3) near the 100% load circulating pump (1) and the 70% load circulating pump (2) is fixedly connected with a heat exchanger (4), the position of the heat exchanger (4) far away from one side of the secondary water return pipe (3) near the bottom is fixedly connected with a primary water return pipe (20), the position of the heat exchanger (4) far away from one side of the secondary water return pipe (3) near the top is fixedly connected with a primary water supply pipe (19), the position of the primary water supply pipe (19) near the heat exchanger (4) is fixedly connected with a regulating valve (8), and the primary water supply pipe (19) is near, position fixedly connected with manometer (6) that primary water supply pipe (19) are close to flowmeter (7), position fixedly connected with thermometer (5) that primary water supply pipe (19) are close to manometer (6), one side that primary water supply pipe (19) were kept away from in heat exchanger (4) is close to top position fixedly connected with secondary water supply pipe (18), bottom position fixedly connected with moisturizing case (9) of secondary wet return (3), one end fixedly connected with moisturizing pump (10) of moisturizing case (9) are kept away from in secondary wet return (3), 100% load circulating pump (1) and the top of 70% load circulating pump (2) are fixedly connected with cooling jacket (11) and No. two cooling jackets (13) respectively, the inside of cooling jacket (11) and No. two cooling jackets (13) all is equipped with cooling bath (15).
2. The heating technology matched with a large and small circulating pump as claimed in claim 1, wherein: the 100% load circulating pump (1) comprises a pump body (101), a water inlet (105) and a water outlet (106) are respectively formed in the pump body (101), the water inlet (105) is communicated with the water outlet (106), a motor shell (102) is connected to the top of the pump body (101) in a threaded mode, a motor (103) is connected to the inside of the motor shell (102) in an embedded mode, and an output shaft of the motor (103) is fixedly connected with an impeller (104).
3. The heating technology matched with a large and small circulating pump as claimed in claim 1, wherein: the internal structure of the 70% load circulating pump (2) is consistent with the internal structure of the 100% load circulating pump (1).
4. The heating technology matched with a large and small circulating pump as claimed in claim 1, wherein: the position of the secondary water return pipe (3) far away from the 100% load circulating pump (1) and the 70% load circulating pump (2) is fixedly connected with a thermometer (5) and a pressure gauge (6).
5. The heating technology matched with a large and small circulating pump as claimed in claim 1, wherein: and the position of the secondary water supply pipe (18) far away from the heat exchanger (4) is fixedly connected with the thermometer (5), the pressure gauge (6) and the flow meter (7).
6. The heating technology matched with a large and small circulating pump as claimed in claim 1, wherein: the equal fixedly connected with cooling tube (12) in both ends of a cooling cover (11), the one end fixedly connected with coolant tank (17) of 100% load circulating pump (1) is kept away from in coolant pipe (12), the inside fixedly connected with cooling water pump (16) of coolant tank (17), and fixed connection between cooling water pump (16) and coolant pipe (12), the bottom of coolant tank (17) is equipped with cooling tube (14), all with coolant pipe (12) fixed connection between No. two cooling covers (13) and a cooling cover (11) and cooling tube (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692300.5U CN211011563U (en) | 2019-10-11 | 2019-10-11 | Heat supply technology matched with large and small circulating pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692300.5U CN211011563U (en) | 2019-10-11 | 2019-10-11 | Heat supply technology matched with large and small circulating pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211011563U true CN211011563U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921692300.5U Active CN211011563U (en) | 2019-10-11 | 2019-10-11 | Heat supply technology matched with large and small circulating pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211011563U (en) |
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2019
- 2019-10-11 CN CN201921692300.5U patent/CN211011563U/en active Active
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