CN215597798U - Energy-saving and environment-friendly parallel water heating system - Google Patents
Energy-saving and environment-friendly parallel water heating system Download PDFInfo
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- CN215597798U CN215597798U CN202022995005.6U CN202022995005U CN215597798U CN 215597798 U CN215597798 U CN 215597798U CN 202022995005 U CN202022995005 U CN 202022995005U CN 215597798 U CN215597798 U CN 215597798U
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Abstract
The utility model relates to an energy-saving and environment-friendly parallel water heating system which comprises an air energy heat pump system and a steam-water heat exchange system which are arranged in parallel, wherein the air energy heat pump system comprises an air energy heat pump, an electromagnetic valve, a water separator, a water tank, an electric heating rod, a temperature controller, a first stop valve and a floating ball liquid level control switch; the steam-water heat exchange system comprises a steam-water exchanger, a second stop valve, a condensed water pipeline, a condensed water tank and a drain valve. The device can realize seamless connection of the water heating system in the heating season and the non-heating season, and saves the fuel cost, the electric charge and the labor cost by tens of thousands yuan every year; a 15t boiler is used for providing hot steam in winter, and the hot steam is converted into required hot water through a steam-water exchanger; the use of a 15t boiler is cancelled in summer, and a clean and environment-friendly air heat energy pump is used for supplying hot water, so that the requirements of environment protection, energy conservation and high efficiency are met.
Description
Technical Field
The application belongs to the technical field of water heating, and more particularly relates to an energy-saving and environment-friendly parallel water heating system.
Background
The ore of the Yangde Bourquan iron is about 260 in mine workers for a long time, and hot water for the workers to live and hot water for heating the winter flotation agent are all supplied by the mine. In the heating season, a 15t steam boiler (fuel is natural gas) of the mine provides steam, and hot water is provided after the steam is heated by a steam-water exchange station. The 4t coal-fired boiler of the mine is banned from use by environmental protection factor. In non-heating seasons, only living areas have hot water demands, and even if the hot water demands are small, the hot water needs to be provided after being heated by a steam-water exchange station in the original heat exchange system, so that the phenomena of high operation cost and manpower waste are caused. In order to save cost and ensure hot water for workers, a water heating system which is environment-friendly, efficient, energy-saving and high in operation flexibility needs to be innovated and researched.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an energy-saving and environment-friendly parallel water heating system.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides an energy-concerving and environment-protective parallel water heating system, includes parallelly connected air-source heat pump system and soda heat exchange system who sets up, wherein:
the air energy heat pump system comprises a water tank communicated with new water, an air energy heat pump connected with a water inlet and a water outlet of the water tank, a first stop valve and an electromagnetic valve which are arranged on a pipeline between the new water and the water tank, a water separator connected with the other water outlet of the water tank through a pipeline, and a user network connected with the water outlet of the water separator, wherein the return water of the user network is also connected with the other water inlet of the water tank, and a circulating pump is arranged on the pipeline between the water outlet of the water tank and the water separator; the height of the water tank is higher than that of the air energy heat pump, a floating ball liquid level control switch is further installed on the water tank, and the floating ball liquid level control switch is connected with the electromagnetic valve in a control mode;
the steam-water heat exchange system comprises a steam-water exchanger connected with a steam inlet, an outlet of the steam-water exchanger is connected with the water separator through a second stop valve on the one hand, and is connected with the condensed water tank through a condensed water pipeline on the other hand, and the return water of the user network is also connected with the steam-water exchanger.
The technical scheme of the utility model is further improved as follows: an auxiliary electric heating device is also arranged in the water tank and is connected with the temperature controller.
The technical scheme of the utility model is further improved as follows: the auxiliary electric heating device is an electric heating rod.
The technical scheme of the utility model is further improved as follows: the air energy heat pump is a 5t air energy heat pump, the water tank is a 30t heat preservation water tank, and the condensed water tank is a 20t condensed water tank.
The technical scheme of the utility model is further improved as follows: and a drain valve is also arranged on the steam-water exchanger.
The technical scheme of the utility model is further improved as follows: the height difference between the water tank and the air energy heat pump is 5-10 m.
The technical scheme of the utility model is further improved as follows: and the water separator and the steam-water exchanger are also provided with instruments for displaying flow and pressure.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model combines the demand of hot water, newly designs a set of air energy heat pump and electric heating combined heating system, is used in parallel with the original steam-water heat exchange system, adds 1 air energy heat pump of 5t and 1 heat preservation water tank of 30t, has a set of automatic auxiliary electric heating device, 2 circulating pumps and a plurality of valves, integrates the newly added air energy heat pump system into the original steam-water heat exchange system, and has the unchanged original circulating system, so that the heating of the air energy heat pump and the heating of a boiler can be switched at any time. Meanwhile, an auxiliary electric heating system is added in the water tank to meet the requirement of water heating in extreme weather.
The utility model can realize seamless connection of the water heating system in the heating season and the non-heating season, and saves the fuel cost, the electric charge and the labor cost by 28.4 ten thousand yuan each year. A 15t boiler is used for providing hot steam in winter, and the hot steam is converted into required hot water through a steam-water exchanger; the use of a 15t boiler is cancelled in summer, and a clean and environment-friendly air heat energy pump is used for supplying hot water, so that the requirements of environment protection, energy conservation and high efficiency are met.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
wherein: 1. fresh water; 2. an electromagnetic valve; 3. a water tank; 4. an air-source heat pump; 5. a temperature controller; 6. an electrical heating rod; 7. a floating ball liquid level control switch; 8. a circulation pump; 9. a steam-water exchanger; 10. A third stop valve; 11. a first shut-off valve; 12. the system comprises a second stop valve, 13, a steam inlet, 14, a water separator, 15, return water, 16, a condensed water pipeline, 17, a condensed water tank, 18, a blow-down valve, 19 and a fourth stop valve; 20. a fifth stop valve 21, a bath, 22 and a canteen.
Detailed Description
The present invention will be described in further detail with reference to examples.
The utility model discloses an energy-saving and environment-friendly parallel water heating system, which comprises an air energy heat pump system and a steam-water heat exchange system which are arranged in parallel, and is shown in figure 1, wherein:
the air energy heat pump system comprises a water tank 3 communicated with new water 1, an air energy heat pump 4 connected with a water inlet and a water outlet of the water tank 3, a first stop valve 11 and an electromagnetic valve 2 which are arranged on a pipeline between the new water 1 and the water tank 3, a water separator 14 connected with the other water outlet of the water tank 3 through a pipeline, and a user network connected with the water outlet of the water separator 14, wherein a backwater 15 of the user network is also connected with the other water inlet of the water tank 3, and a circulating pump 8 is arranged on the pipeline between the water outlet of the water tank 3 and the water separator 14; the height of the water tank 3 is higher than that of the air-source heat pump 4, a floating ball liquid level control switch 7 is further installed on the water tank 3, and the floating ball liquid level control switch 7 is connected with the electromagnetic valve 2 in a control mode;
the steam-water heat exchange system comprises a steam-water exchanger 9 connected with a steam inlet 13, an outlet of the steam-water exchanger 9 is connected with a water separator 14 through a second stop valve 12 on one hand, and is connected with a condensed water tank 17 through a condensed water pipeline 16 on the other hand, and a return water 15 of a user network (a bath 21 and a canteen 22) is also connected with the steam-water exchanger 9.
An auxiliary electric heating device is also arranged in the water tank 3 and is connected with a temperature controller 5.
Preferably, the auxiliary electric heating device is an electric heating rod 6. The air energy heat pump 4 is a 5t air energy heat pump, the water tank 3 is a 30t heat preservation water tank, and the condensed water tank 17 is a 20t water tank. And a drain valve 18 is also arranged on the steam-water exchanger 9, so that timely drainage is facilitated.
The height difference between the water tank 3 and the air energy heat pump 4 is 5-10 m, and the water tank is selected according to specific conditions.
The water separator 14 and the steam-water exchanger 9 are also provided with instruments for displaying flow and pressure, such as a flow meter and a pressure meter.
When the utility model is used, the original steam boiler heating exchange station and the other set of water heating system are connected in parallel and are alternately used.
In the heating season, the first stop valve 11 is closed, the third stop valve 10 and the second stop valve 12 are opened, a 15t gas-fired boiler is used, steam generated by the boiler enters the steam-water exchanger 9 through the steam inlet 13 to exchange heat with a water system, cold water is heated into hot water, the hot water supplies domestic hot water and the heating requirement of a flotation reagent through the second stop valve 12 and the water separator 14, the fourth stop valve 19 is closed, the fifth stop valve 20 is opened, and the return water 15 returns to the steam-water exchanger 9.
In the non-heating season, the third stop valve 10 and the second stop valve 12 are closed, the first stop valve 11 is opened, and the steam-water exchanger 9 is deactivated. Fresh water 1 enters the water tank 3, and the floating ball liquid level control switch 7 is used for controlling the electromagnetic valve 2 to realize automatic water level control. The water entering the water tank 3 enters the air-source heat pump 4 for heating by utilizing the height difference. The circulation pump 8 is activated to deliver hot water to the water separator 14 and then to the user networks of the respective sites of use, including the bathing pool 21, the dining hall 22, etc. The fifth stop valve 20 is closed, the fourth stop valve 19 is opened, and the return water 15 returns to the water tank 3. Thus, a set of air heat energy pump water circulation heating system is formed. In spring, autumn or individual cold weather, when the hot water can not reach the use temperature, the electric heating rod 6 is started to carry out auxiliary heating.
The utility model can realize free switching between heating seasons and non-heating seasons, wherein the heating seasons use steam boilers, the non-heating seasons stop using the boilers, and clean air energy is used for continuously providing hot water for living areas. The system is clean and environment-friendly, saves energy, saves annual cost of fuel, labor, electric power and the like by 28.4 ten thousand yuan.
Claims (7)
1. The utility model provides an energy-concerving and environment-protective parallel water heating system which characterized in that: including parallelly connected air-source heat pump system and soda heat exchange system who sets up, wherein:
the air energy heat pump system comprises a water tank (3) communicated with new water (1), an air energy heat pump (4) connected with a water inlet and a water outlet of the water tank (3), a first stop valve (11) and an electromagnetic valve (2) which are arranged on a pipeline between the new water (1) and the water tank (3), a water distributor (14) connected with the other water outlet of the water tank (3) through a pipeline, and a user network connected with the water outlet of the water distributor (14), wherein a backwater (15) of the user network is also connected with the other water inlet of the water tank (3), and a circulating pump (8) is arranged on the pipeline between the water outlet of the water tank (3) and the water distributor (14); the height of the water tank (3) is higher than that of the air energy heat pump (4), a floating ball liquid level control switch (7) is further installed on the water tank (3), and the floating ball liquid level control switch (7) is in control connection with the electromagnetic valve (2);
the steam-water heat exchange system comprises a steam-water exchanger (9) connected with a steam inlet (13), an outlet of the steam-water exchanger (9) is connected with a water separator (14) through a second stop valve (12) on one hand, and is connected with a condensed water tank (17) through a condensed water pipeline (16) on the other hand, and a return water (15) of a user network is also connected with the steam-water exchanger (9).
2. An energy saving and environmental friendly parallel water heating system according to claim 1, characterized in that: an auxiliary electric heating device is also arranged in the water tank (3) and is connected with the temperature controller (5).
3. An energy saving and environmental friendly parallel water heating system according to claim 2, characterized in that: the auxiliary electric heating device is an electric heating rod (6).
4. An energy saving and environmental friendly parallel water heating system according to claim 3, characterized in that: the air energy heat pump (4) is a 5t air energy heat pump, the water tank (3) is a 30t heat preservation water tank, and the condensed water tank (17) is a 20t water tank.
5. An energy saving and environmental friendly parallel water heating system according to claim 1, characterized in that: a drain valve (18) is also arranged on the steam-water exchanger (9).
6. A parallel energy saving and environmental protection water heating system according to any one of claims 1 to 5, characterized in that: the height difference between the water tank (3) and the air energy heat pump (4) is 5-10 m.
7. An energy saving and environmental friendly parallel water heating system according to claim 6, characterized in that: and meters for displaying flow and pressure are arranged on the water separator (14) and the steam-water exchanger (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022995005.6U CN215597798U (en) | 2020-12-14 | 2020-12-14 | Energy-saving and environment-friendly parallel water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022995005.6U CN215597798U (en) | 2020-12-14 | 2020-12-14 | Energy-saving and environment-friendly parallel water heating system |
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| Publication Number | Publication Date |
|---|---|
| CN215597798U true CN215597798U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022995005.6U Active CN215597798U (en) | 2020-12-14 | 2020-12-14 | Energy-saving and environment-friendly parallel water heating system |
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|---|---|
| CN (1) | CN215597798U (en) |
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2020
- 2020-12-14 CN CN202022995005.6U patent/CN215597798U/en active Active
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