CN210107557U - Hot water supply device - Google Patents
Hot water supply device Download PDFInfo
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- CN210107557U CN210107557U CN201920750425.2U CN201920750425U CN210107557U CN 210107557 U CN210107557 U CN 210107557U CN 201920750425 U CN201920750425 U CN 201920750425U CN 210107557 U CN210107557 U CN 210107557U
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Abstract
The utility model belongs to the technical field of hot water selling, in particular to a hot water supply device, which comprises a hot water heater, a steam inlet pipe, a water outlet pipe, a drain pipe and a controller, wherein the hot water heater is connected with a steam source through the steam inlet pipe and drains water through the drain pipe; a heat exchange pipeline and a liquid level meter are arranged in the hot water heater; two ends of the heat exchange pipeline are respectively communicated with one ends of the water inlet pipe and the water outlet pipe, and the other ends of the water inlet pipe and the water outlet pipe are respectively communicated with the water storage tank and the water supply valve; temperature sensors are arranged on the water inlet pipe and the water outlet pipe, a steam inlet regulating valve is arranged on the steam inlet pipe, and a drain regulating valve is arranged on the drain pipe; the other end of the water outlet pipe is also communicated with the water storage tank through a water return pipeline, and a recirculation door is arranged on the water return pipeline. The utility model has the advantages of high heating efficiency, low energy consumption and contribution to centralized water supply.
Description
Technical Field
The utility model belongs to the technical field of the hot water is sold, concretely relates to hot water supply device.
Background
Along with the continuous improvement of the living standard of people, the requirement on water resources is higher and higher. For example, many public places such as factories, units and residential areas are provided with automatic water selling systems, and users can obtain filtered water sources from water selling machines by swiping cards. In addition, the importance of hot water in human life is also self-evident, people have higher and higher requirements for constant-temperature and constant-pressure water supply, and some places needing hot water are more and more. For example, some units and communities are provided with hot water vending systems, but the hot water vending systems often have the problems of unstable temperature of supplied hot water, high heating energy consumption and the like, so that a hot water supply device with stable water supply temperature and low energy consumption is required to be provided for being applied to a hot water vending system of a terminal.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the deficiencies in the prior art, the technical problem who solves is: the hot water supply device has stable water supply temperature and low energy consumption.
In order to solve the technical problem, the utility model discloses a technical scheme be: a hot water supply device comprises a hot water heater, a steam inlet pipe, a water outlet pipe, a drain pipe and a controller, wherein the hot water heater is connected with a steam source through the steam inlet pipe and drains water through the drain pipe; a heat exchange pipeline and a liquid level meter are arranged in the hot water heater; two ends of the heat exchange pipeline are respectively communicated with one ends of a water inlet pipe and a water outlet pipe, and the other ends of the water inlet pipe and the water outlet pipe are respectively communicated with a water storage tank and a water supply valve; temperature sensors are arranged on the water inlet pipe and the water outlet pipe, a steam inlet regulating valve is arranged on the steam inlet pipe, and a drain regulating valve is arranged on the drain pipe; the other end of the water outlet pipe is communicated with the water storage tank through a water return pipeline, and a recirculation door is arranged on the water return pipeline.
Be provided with first branch pipe and second branch pipe on the inlet tube be provided with first working shaft and second working shaft on first branch pipe and the second branch pipe respectively, be provided with pressure transmitter in the export of first working shaft and second working shaft, pressure transmitter's output is connected with the input of converter, the output of converter with the control end of first working shaft and second working shaft is connected, the model of converter is ABB ACS.
The hot water supply device further comprises a controller, wherein the output ends of the liquid level meter and the temperature sensor are connected with the controller, and the output end of the controller is respectively connected with the steam inlet throttle and the drainage throttle.
The controller adopts a PLC programmable controller of Simatic S7-1200 of Siemens.
The water inlet pipe is also provided with a flowmeter, and the flowmeter is used for measuring the instantaneous water flow entering the hot water heater in real time and sending the instantaneous water flow to the controller.
The hot water heater is also provided with a safety valve.
Compared with the prior art, the utility model following beneficial effect has: the utility model provides a hot water supply device, which heats water supply in a hot water heater through a steam source and has the advantages of high heating efficiency, low energy consumption and contribution to centralized water supply; in addition, temperature sensors are arranged on the water inlet pipe and the water outlet pipe, the output ends of the temperature sensors are connected with a controller, and the controller can adjust the opening degree of the steam inlet regulating valve according to the temperature of inlet and outlet water so as to achieve the effect of stabilizing the water supply temperature; and moreover, a liquid level meter is arranged in the hot water heater, the controller can adjust the opening of the drainage regulating valve according to the measurement result of the liquid level meter, the condensed water in the heater is kept at a reasonable height, and the heat exchange efficiency of the hot water heater is improved.
Drawings
Fig. 1 is a schematic structural diagram of a hot water supply device according to an embodiment of the present invention;
fig. 2 is a circuit connection block diagram in an embodiment of the present invention.
In the figure: 1 is a hot water heater, 2 is an air inlet pipe, 3 is an air inlet pipe, 4 is an air outlet pipe, 5 is a drain pipe, 6 is a heat exchange pipeline, 7 is a liquid level meter, 8 is a water storage tank, 9 is a water supply valve, 10 is an air inlet regulating valve, 11 is a water return pipeline, 12 is a recirculation door, 13 is a first branch pipe, 14 is a second branch pipe, 15 is a first water supply pump, 16 is a second water supply pump, and 17 is a safety valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a hot water supply device, including a hot water heater 1, a steam inlet pipe 2, a water inlet pipe 3, a water outlet pipe 4, a drain pipe 5 and a controller, wherein the hot water heater 1 is connected to a steam source through the steam inlet pipe 2, and drains water through the drain pipe 5; a heat exchange pipeline 6 and a liquid level meter 7 are arranged in the hot water heater 1; two ends of the heat exchange pipeline 6 are respectively communicated with one ends of the water inlet pipe 3 and the water outlet pipe 4, and the other ends of the water inlet pipe 3 and the water outlet pipe 4 are respectively communicated with the water storage tank 8 and the water supply valve 9; temperature sensors are arranged on the water inlet pipe 3 and the water outlet pipe 4, a steam inlet adjusting door 10 is arranged on the steam inlet pipe 2, and a drain adjusting door is arranged on the drain pipe 5; the other end of the water outlet pipe 4 is also communicated with a water storage tank 8 through a water return pipeline 11, and a recirculation door 12 is arranged on the water return pipeline 11.
Further, as shown in fig. 2, in the present embodiment, the output ends of the liquid level meter 7 and the temperature sensor are connected to the controller, the output ends of the controller are respectively connected to the steam inlet damper 10 and the water drain damper 5, and the control end of the recirculation door is connected to the output end of the controller. The model of the steam inlet damper can be SIPOS7, and the model of the water drainage damper can be 381 LSB-50; the recirculation door may be model AMZ 20-18W/T.
Specifically, in this embodiment, 2 temperature sensors are provided, and PT100 thermometers are respectively provided on the water inlet pipe 3 and the water outlet pipe 4, so that the feed water temperature and the outlet water temperature of the heater can be accurately measured in real time, and a reference signal is provided for the controller to adjust the opening degree of the steam inlet damper 10. The liquid level meter adopts a magnetic turning plate liquid level meter and is used for measuring the liquid level height of condensed water in the heater in real time. The drainage regulating valve is used for regulating the flow of the drainage pipe, so that condensed water in the heater is kept at a reasonable height, and the maximum heat exchange efficiency of the heater is ensured.
Further, as shown in fig. 1, be provided with first branch pipe 13 and second branch pipe 14 on inlet tube 3 be provided with first water supply pump 15 and second water supply pump 16 on first branch pipe 13 and the second branch pipe 14 respectively, be provided with pressure transmitter on the export of first water supply pump 15 and second water supply pump 16, pressure transmitter's output is connected with the input of controller, and the output of controller is connected with the input of converter, the output of converter with the control end of first water supply pump 15 and second water supply pump 16 is connected, the model of converter is ABB ACS 510. In this embodiment, set up one on the inlet tube and used one and equipped with two water supply pumps, the converter adopts ABB ACS510 converter, come real-time adjustment water supply pump rotational speed according to water supply pump outlet pressure and adjust intraductal flow, can reduce the energy consumption in non-water feeding period simultaneously again, in addition, the converter is connected with the controller, the controller can judge being in non-water supply state of device according to the operating condition of converter, then the controller can control the recirculation door and open fully, make rivers return to in the storage water tank, keep a certain amount of hot water in the storage water tank all the time, improve water supply efficiency.
Further, in this embodiment, the water inlet pipe 3 is further provided with a flow meter, and the flow meter is used for measuring the instantaneous water flow entering the hot water heater 1 in real time and sending the instantaneous water flow to the controller. The flowmeter adopts outer formula ultrasonic flowmeter that pastes, and it is installed on heater entry pipeline, then through setting up the flowmeter monitoring inflow flow, this embodiment can also improve the temperature stability who supplies water according to the aperture of inflow flow control admission governing valve.
Further, in the embodiment, the controller adopts a PLC programmable controller of Simatic S7-1200.
Further, in the present embodiment, a safety valve 17 is further disposed on the hot water heater 1. The safety valve 17 is used for releasing pressure to ensure that the pressure in the hot water heater 1 is within a safe range.
The working principle of the utility model is as follows: the water in the water storage tank enters the hot water heater after passing through the water supply pump, and the opening degree of the steam inlet regulating valve of the heater can be adjusted through the real-time water supply flow and the temperature of the inlet and the outlet of the heater, so that the constant temperature of the outlet is ensured. In addition, a controller can be arranged in the device, and the opening degree of the air inlet adjusting valve can be automatically adjusted through the controller, so that the stable control of the outlet temperature can be realized. When the water vending machine works and the water supply valve discharges water, the pressure of the outlet of the water supply pump is reduced, the output of the water supply pump is increased, the water supply flow is increased, the opening of the steam inlet adjusting door is increased to maintain the constant temperature of the water at the outlet of the heater, the liquid level is increased, and the opening of the water drainage adjusting door is increased to maintain the stable liquid level. When the water vending machine does not work, the output of the water supply pump is reduced to the minimum, the recirculation door is fully opened, water flows back into the water storage tank, and a certain amount of hot water is kept in the water storage tank all the time.
Finally, it should be noted that: 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 present invention.
Claims (6)
1. A hot water supply device is characterized by comprising a hot water heater (1), a steam inlet pipe (2), a water inlet pipe (3), a water outlet pipe (4), a drain pipe (5) and a controller, wherein the hot water heater (1) is connected with a steam source through the steam inlet pipe (2) and drains water through the drain pipe (5); a heat exchange pipeline (6) and a liquid level meter (7) are arranged in the hot water heater (1); two ends of the heat exchange pipeline (6) are respectively communicated with one ends of the water inlet pipe (3) and the water outlet pipe (4), and the other ends of the water inlet pipe (3) and the water outlet pipe (4) are respectively communicated with the water storage tank (8) and the water supply valve (9); temperature sensors are arranged on the water inlet pipe (3) and the water outlet pipe (4), a steam inlet adjusting valve (10) is arranged on the steam inlet pipe (2), and a drain adjusting valve is arranged on the drain pipe (5); the other end of the water outlet pipe (4) is also communicated with the water storage tank (8) through a water return pipeline (11), and a recirculation door (12) is arranged on the water return pipeline (11).
2. A hot water supply apparatus according to claim 1, wherein the inlet pipe (3) is provided with a first branch pipe (13) and a second branch pipe (14), the first branch pipe (13) and the second branch pipe (14) are respectively provided with a first water supply pump (15) and a second water supply pump (16), the outlets of the first water supply pump (15) and the second water supply pump (16) are provided with pressure transducers, the output ends of the pressure transducers are connected with the input ends of a frequency converter, the output ends of the frequency converter are connected with the control ends of the first water supply pump (15) and the second water supply pump (16), and the frequency converter has an ACS type of ABB 510.
3. A hot water supply device according to claim 1, further comprising a controller, to which the outputs of the level gauge (7) and the temperature sensor are connected, the outputs of the controller being connected to the admission gate (10) and the drain gate, respectively.
4. The hot water supply apparatus as claimed in claim 3, wherein the controller is a PLC programmable controller of SIMATIC S7-1200.
5. A hot water supply device according to claim 3, characterized in that the inlet pipe (3) is also provided with a flow meter for measuring in real time the instantaneous water flow into the hot water heater (1) and sending it to the controller.
6. A hot water supply device according to claim 1, characterized in that the hot water heater (1) is further provided with a safety valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750425.2U CN210107557U (en) | 2019-05-23 | 2019-05-23 | Hot water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750425.2U CN210107557U (en) | 2019-05-23 | 2019-05-23 | Hot water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210107557U true CN210107557U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920750425.2U Active CN210107557U (en) | 2019-05-23 | 2019-05-23 | Hot water supply device |
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| CN (1) | CN210107557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361446A (en) * | 2020-10-12 | 2021-02-12 | 中国石油天然气集团有限公司 | Geothermal heating system |
-
2019
- 2019-05-23 CN CN201920750425.2U patent/CN210107557U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361446A (en) * | 2020-10-12 | 2021-02-12 | 中国石油天然气集团有限公司 | Geothermal heating system |
| CN112361446B (en) * | 2020-10-12 | 2022-03-11 | 中国石油天然气集团有限公司 | Geothermal heating system |
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