CN220817850U - Water mixing heat supply unit - Google Patents
Water mixing heat supply unit Download PDFInfo
- Publication number
- CN220817850U CN220817850U CN202322228838.3U CN202322228838U CN220817850U CN 220817850 U CN220817850 U CN 220817850U CN 202322228838 U CN202322228838 U CN 202322228838U CN 220817850 U CN220817850 U CN 220817850U
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- water
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- cold water
- pipe
- heat supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000151 anti-reflux effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model relates to the technical field of heat supply units and discloses a water mixing heat supply unit, which comprises a heat supply unit body, a hot water pump and a cold water pump, wherein connecting flanges are arranged at the inlet end and the outlet end of the hot water pump and the outlet end of the cold water pump, a hot water inlet pipe and a cold water inlet pipe are respectively communicated through the connecting flanges, the outlet ends of the hot water inlet pipe and the cold water inlet pipe are communicated with the inlet end of the heat supply unit body, a water outlet pipe is fixedly communicated with the outlet end of the heat supply unit body, a communicating pipe is fixedly communicated with the outlet end of the water outlet pipe, a plurality of groups of branch pipes are arranged at the outlet end of the communicating pipe, electromagnetic valves are arranged at the inlet ends of the branch pipes, a plurality of groups of mixing mechanisms are arranged at the inner side walls of the water outlet pipe, and anti-reflux mechanisms are arranged at the inner walls of the hot water inlet pipe and the cold water inlet pipe; the utility model can effectively avoid the larger temperature difference of water during water outlet, avoid cold water backflow, and effectively solve the problem that cold water flows back to the hot water side during back pressure or reverse pressure difference.
Description
Technical Field
The utility model relates to the technical field of heating units, in particular to a water mixing heating unit.
Background
The mixed water heating unit is used for calculating, designing and selecting according to the operation parameters of the heat supply network system, the heat supply requirement of the secondary network and the like by increasing the water temperature and increasing the load of the heat supply network, so that the heat loss of an indirect heat exchange system is avoided, the process design of the mixed water heating system is realized, and the mixed water mode is mainly divided into a bypass pressurizing mode, a water supply pressurizing mode and a backwater pressurizing mode according to the operation characteristics and the heat supply requirement of the system, thereby being beneficial to the informationized management of the whole heat supply network and realizing the optimal economic operation effect. The traditional mixing regulation process of the mixed water heat supply machine has certain hysteresis, the mixed water heat supply machine set can cause the fluctuation of the water supply temperature in a heating system, when the flow and the temperature change of hot water and cold water are large, the fluctuation of the water supply temperature can be caused, the indoor temperature is unstable, and under certain specific conditions, such as the existence of higher back pressure or reverse pressure difference in the heat supply system, the cold water can be caused to flow back to the hot water side, the cold load of the heat supply system is increased by the cold water backflow, the system needs additional energy to heat the cooled water, the energy waste is caused, and the running cost of the system is increased; for this purpose, a water-mixing heating unit is proposed.
Disclosure of utility model
The utility model aims to provide a water mixing heat supply unit for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mix water heating unit, includes heating unit body, hot-water pump and cold water pump entry end and exit end all are provided with flange, and hot-water pump and cold water pump exit end are linked together respectively through flange and are advanced hot-water pipe and advance cold water pipe, advance hot-water pipe and advance cold water pipe exit end and are linked together with heating unit body entry end, and heating unit body exit end fixedly communicates there is the outlet pipe, and outlet pipe exit end fixedly communicates has communicating pipe, and communicating pipe exit end is provided with multiunit reposition of redundant personnel branch pipe, and reposition of redundant personnel branch pipe entry end all is provided with the solenoid valve, and the outlet pipe inside wall is provided with multiunit mixing mechanism, advances hot-water pipe and advances cold water pipe inside wall and is provided with anti-reflux mechanism.
As the preferred scheme, mixing mechanism is including support frame, mounting and mixing vane, outlet pipe inside wall fixedly connected with support frame, support frame lateral wall rotation are connected with the mounting, and mounting surface fixedly connected with multiunit mixing vane.
As the preferred scheme, prevent against current mechanism including first baffle, second baffle, sliding sleeve, slide bar, logical liquid chamber, cut board and spring, outlet pipe inside wall fixedly connected with first baffle and second baffle, offered logical liquid chamber between first baffle and the second baffle, the liquid hole of evenly arranging has all been offered on first baffle and second baffle surface, and first baffle and second baffle surface all imbeds and is connected with the sliding sleeve, and sliding sleeve inside wall sliding connection has the slide bar.
As an optimal scheme, the surface of the sliding rod is fixedly connected with a cutting-off plate, a spring is fixedly connected between the cutting-off plate and the second baffle, and the spring is sleeved outside the sliding rod.
As an optimal scheme, the side wall of the stop plate is fixedly connected with a rubber pad.
As a preferable scheme, the heating unit body, the hot water pump, the cold water pump and the electromagnetic valve are electrically connected with an external control system.
The utility model has the technical effects and advantages that:
1. When water flows to the first baffle, water flows to the stop plate through the liquid passing hole, water presses the stop plate, water flows into the liquid passing cavity, then the water outlet pipe is led out through the liquid passing hole on the second baffle, the spring is compressed when the stop plate moves, so that the spring is in a compressed state, when the water stops flowing, the spring loses pressure and returns to an initial state, one end of the spring moves to drive the stop plate to move, the stop movement drives the rubber pad on the spring to move, the liquid passing pad moves to form a seal on the liquid passing cavity, cold water backflow is avoided, and the problem that cold water flows back to the hot water side when back pressure or reverse pressure difference is effectively solved.
2. The hot water pump is communicated with an external hot water source, the cold water pump is communicated with an external cold water source, cold water and hot water are pumped into the heating unit body through the operation of the hot water pump and the cold water pump, the mixing proportion of the hot water and the cold water is regulated and controlled through the water mixing valve in the heating unit body so as to reach the required heating temperature, the water is led into the communicating pipe through the water outlet pipe, the electromagnetic valve controls the branch pipe switch, the mixed water is led into the water outlet pipe, and the mixing blades rotate to stir the water when the mixing blades are used for enabling the hot water and the cold water to be mixed more fully, and the temperature difference of the water when the water is discharged can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the water outlet pipe of the present utility model.
Fig. 3 is an enlarged view of the structure of fig. 2a in accordance with the present utility model.
Fig. 4 is a schematic structural view of the anti-backflow mechanism of the present utility model.
In the figure: 1. a heating unit body; 2. a hot water pump; 3. a hot water inlet pipe; 4. a cold water pump; 5. a cold water inlet pipe; 6. a connecting flange; 7. a water outlet pipe; 8. a communicating pipe; 9. a branch pipe; 10. an electromagnetic valve; 11. a first baffle; 12. a second baffle; 13. a sliding sleeve; 14. a liquid through hole; 15. a slide bar; 16. a liquid passing cavity; 17. a cutoff plate; 18. a rubber pad; 19. a spring; 20. a support frame; 21. a fixing member; 22. mixing blades.
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.
The utility model provides a mixed water heat supply unit as shown in figures 1-4, which comprises a heat supply unit body 1, a hot water pump 2 and a cold water pump 4, wherein connecting flanges 6 are arranged at the inlet end and the outlet end of the hot water pump 2 and the cold water pump 4, the outlet end of the hot water pump 2 and the outlet end of the cold water pump 4 are respectively communicated with a hot water inlet pipe 3 and a cold water inlet pipe 5 through the connecting flanges 6, the outlet ends of the hot water inlet pipe 3 and the cold water inlet pipe 5 are communicated with the inlet end of the heat supply unit body 1, the outlet end of the heat supply unit body 1 is fixedly communicated with a water outlet pipe 7, the outlet end of the water outlet pipe 7 is fixedly communicated with a communicating pipe 8, a multi-component branch pipe 9 is arranged at the outlet end of the communicating pipe 8, electromagnetic valves 10 are arranged at the inlet ends of the branch pipes 9, a plurality of groups of mixing mechanisms are arranged at the inner side walls of the water outlet pipe 7, anti-reflux mechanisms are arranged at the inner side walls of the hot water inlet pipe 3 and the cold water inlet pipe 5, and the heat supply unit body 1, the hot water pump 2, the cold water pump 4 and the electromagnetic valves 10 are electrically connected with an external control system; the hot water pump 2 is communicated with an external hot water source, the cold water pump 4 is communicated with an external cold water source, cold water and the hot water pump 2 are fed into the heat supply unit body 1 through the operation of the hot water pump 2 and the cold water pump 4, the mixing proportion of the hot water and the cold water is regulated and controlled through a water mixing valve in the heat supply unit body 1 so as to reach the required heating temperature, the hot water and the cold water are fed into the communicating pipe 8 through the water outlet pipe 7, the electromagnetic valve 10 controls the split branch pipe 9 to be switched on and off, and the cold water and the hot water can be further mixed through the mixing mechanism.
In this embodiment, the mixing mechanism includes a support frame 20, a fixing member 21 and mixing blades 22, the inner side wall of the water outlet pipe 7 is fixedly connected with the support frame 20, the side wall of the support frame 20 is rotatably connected with the fixing member 21, and the surface of the fixing member 21 is fixedly connected with a plurality of groups of mixing blades 22; the mixing ratio of hot water and cold water is adjusted and controlled by the mixing valve in the heat supply unit to realize required water supply temperature, the mixed water is introduced into the water outlet pipe 7, and when passing through the mixing blade 22, the mixing blade 22 rotates to stir the water, so that the hot water and the cold water are mixed more fully, and the temperature difference of the water is larger when water is discharged can be effectively avoided.
In the embodiment, the anti-countercurrent mechanism comprises a first baffle 11, a second baffle 12, a sliding sleeve 13, a sliding rod 15, a liquid passing cavity 16, a stop plate 17 and a spring 19, wherein the first baffle 11 and the second baffle 12 are fixedly connected to the inner side wall of the water outlet pipe 7, the liquid passing cavity 16 is formed between the first baffle 11 and the second baffle 12, liquid passing holes 14 which are uniformly distributed are formed in the surfaces of the first baffle 11 and the second baffle 12, the sliding sleeve 13 is embedded and connected to the surfaces of the first baffle 11 and the second baffle 12, the sliding rod 15 is slidingly connected to the inner side wall of the sliding sleeve 13, the stop plate 17 is fixedly connected to the surface of the sliding rod 15, the spring 19 is fixedly connected between the stop plate and the second baffle 12, the spring 19 is sleeved outside the sliding rod 15, and a rubber pad 18 is fixedly connected to the side wall of the stop plate 17; when water flows to the first baffle plate 11, water flows to the stop plate 17 through the liquid through holes 14, water presses the stop plate 17, water flows into the liquid through cavity 16, then the water outlet pipe 7 is led out through the liquid through holes 14 on the second baffle plate 12, the spring 19 is compressed when the stop plate 17 moves, the spring 19 is in a compressed state, when the water stops flowing, the spring 19 loses pressure and returns to an initial state, one end of the spring 19 moves to drive the stop plate 17 to move, the stop movement drives the rubber pad 18 thereon to move, the liquid through pad 18 moves to form a seal on the liquid through cavity 16, cold water backflow is avoided, and the problem that cold water flows back to the hot water side when back pressure or reverse pressure difference is effectively solved.
The working principle of the utility model is as follows: the utility model relates to a mixed water heat supply unit, a hot water pump 2 is communicated with an external hot water source, a cold water pump 4 is communicated with an external cold water source, cold water and the hot water pump 2 are put into a heat supply unit body 1 through the operation of the hot water pump 2 and the cold water pump 4, the mixing proportion of the hot water and the cold water is regulated and controlled through a mixed water valve in the heat supply unit body 1 so as to reach the required heating temperature, the hot water and the cold water are introduced into a communicating pipe 8 through a water outlet pipe 7, an electromagnetic valve 10 controls a split branch pipe 9 to be switched, the mixed water is introduced into the water outlet pipe 7, and when the mixed water passes through a mixing blade 22, the mixing blade 22 rotates to stir the water, so that the hot water and the cold water are mixed more fully; when water flows to the first baffle plate 11, the water flows to the stop plate 17 through the liquid through holes 14, the water presses the stop plate 17, the water flows into the liquid through cavity 16, then the water outlet pipe 7 is led out through the liquid through holes 14 in the second baffle plate 12, the spring 19 is compressed when the stop plate 17 moves, the spring 19 is in a compressed state, when the water stops flowing, the spring 19 loses pressure and returns to an initial state, one end of the spring 19 moves to drive the stop plate 17 to move, the stop movement drives the rubber pad 18 on the stop plate to move, and the rubber pad 18 moves to form a seal on the liquid through cavity 16, so that cold water backflow is avoided.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a mix water heating unit, includes heating unit body (1), hot-water pump (2) and cold water pump (4), its characterized in that: the hot water pump (2) and cold water pump (4) entry end and exit end all are provided with flange (6), hot water pump (2) and cold water pump (4) exit end are linked together respectively through flange (6) and are had into hot-water line (3) and advance cold water pipe (5), advance hot-water line (3) and advance cold water pipe (5) exit end and heat supply unit body (1) entry end and be linked together, heat supply unit body (1) exit end fixed intercommunication has outlet pipe (7), outlet pipe (7) exit end fixed intercommunication has communicating pipe (8), and communicating pipe (8) exit end is provided with multiunit branch pipe (9), branch pipe (9) entry end all is provided with solenoid valve (10), outlet pipe (7) inside wall is provided with multiunit mixing mechanism, advance hot-water line (3) and advance cold water pipe (5) inside wall and be provided with anti-reflux mechanism.
2. A water mixing and heating unit as defined in claim 1, wherein: the mixing mechanism comprises a supporting frame (20), fixing pieces (21) and mixing blades (22), the supporting frame (20) is fixedly connected to the inner side wall of the water outlet pipe (7), the fixing pieces (21) are rotatably connected to the side wall of the supporting frame (20), and a plurality of groups of mixing blades (22) are fixedly connected to the surface of the fixing pieces (21).
3. A water mixing and heating unit as defined in claim 1, wherein: the anti-countercurrent mechanism comprises a first baffle (11), a second baffle (12), a sliding sleeve (13), sliding rods (15), a liquid passing cavity (16), a stop plate (17) and springs (19), wherein the first baffle (11) and the second baffle (12) are fixedly connected to the inner side wall of the water outlet pipe (7), the liquid passing cavity (16) is formed between the first baffle (11) and the second baffle (12), liquid passing holes (14) which are uniformly distributed are formed in the surfaces of the first baffle (11) and the second baffle (12), the sliding sleeve (13) is connected to the surfaces of the first baffle (11) and the second baffle (12) in an embedded mode, and the sliding rods (15) are connected to the inner side wall of the sliding sleeve (13) in a sliding mode.
4. A water mixing and heating unit according to claim 3, wherein: the surface of the sliding rod (15) is fixedly connected with a stop plate (17), a spring (19) is fixedly connected between the stop plate and the second baffle (12), and the spring (19) is sleeved outside the sliding rod (15).
5. A water mixing and heating unit as defined in claim 4, wherein: and a rubber pad (18) is fixedly connected to the side wall of the stop plate (17).
6. A water mixing and heating unit as defined in claim 1, wherein: the heat supply unit body (1), the hot water pump (2), the cold water pump (4) and the electromagnetic valve (10) are electrically connected with an external control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322228838.3U CN220817850U (en) | 2023-08-18 | 2023-08-18 | Water mixing heat supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322228838.3U CN220817850U (en) | 2023-08-18 | 2023-08-18 | Water mixing heat supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220817850U true CN220817850U (en) | 2024-04-19 |
Family
ID=90708118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322228838.3U Active CN220817850U (en) | 2023-08-18 | 2023-08-18 | Water mixing heat supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220817850U (en) |
-
2023
- 2023-08-18 CN CN202322228838.3U patent/CN220817850U/en active Active
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