CN212805805U - Electric boiler heating system capable of reducing heating cost - Google Patents
Electric boiler heating system capable of reducing heating cost Download PDFInfo
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- CN212805805U CN212805805U CN202023024107.XU CN202023024107U CN212805805U CN 212805805 U CN212805805 U CN 212805805U CN 202023024107 U CN202023024107 U CN 202023024107U CN 212805805 U CN212805805 U CN 212805805U
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Abstract
The utility model discloses an electric boiler heating system for reducing heating cost, which comprises an electric heating boiler and an energy storage water tank, wherein the electric heating boiler supplies heat for each heating user through a first water supply pipeline and is provided with a first valve; the electric heating boiler supplies heat to the energy storage water tank through a second water supply pipeline, is provided with a second valve, and further comprises a primary heat exchanger, wherein a shell pass and a tube pass of the primary heat exchanger are respectively connected with the energy storage water tank and the first water return pipeline, a third valve is arranged on a circulation pipeline of the energy storage water tank, and the first valve and the second valve are both opened during off-peak electricity; after the low-ebb electricity is finished, the first valve is opened, the second valve is closed, and the third valve is opened. The utility model discloses, utilize the low ebb electricity to heat through energy storage water tank to do not participate in heating pipe hot water circulation, but heat each heating user's return water through the one-level heat exchanger, improved electric heating boiler's return water temperature, nearly and reduce electric heating boiler heating return water required cost.
Description
Technical Field
The utility model relates to an air conditioning technology field, concretely relates to reduce electric boiler heating system of heating expense.
Background
The application of the electric boiler reduces the emission, improves the environment and is increasingly applied to heating systems in various cities. Because heating in winter is a large energy consumption project, energy-saving measures are actively researched by heating enterprises.
As is known, most of the current urban electricity prices adopt a step charging mode, and the price of the off-peak electricity at night is far less than that of the peak-valley electricity at daytime, so that the off-peak electricity is fully utilized to heat. However, since heating is performed all day long, how to perform heating using off-peak electricity requires an optimum design to minimize heating costs.
At present, the conventional mode of heating by using off-peak electricity is to heat the energy storage water tank at the off-peak electricity time period at night, and hot water in the energy storage water tank is mixed into a heating pipeline in daytime to heat a user together with hot water in a boiler. However, this approach has problems:
because the energy storage water tank participates in the hot water circulation of the heating pipeline, the heat energy of the energy storage water tank can be exhausted quickly, and the utilization rate of off-peak electricity needs to be improved.
In view of the above, there is an urgent need to optimize and improve the existing heating system using off-peak electricity to improve the utilization efficiency of off-peak electricity and further reduce the heating cost.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to solve the technical problem that an electric boiler heating system who reduces heating expense is providing to solve the existing heating system who utilizes the low ebb electricity, the problem that the utilization efficiency of low ebb electricity is low.
Therefore, the electric boiler heating system for reducing heating cost provided by the utility model comprises an electric heating boiler and an energy storage water tank, wherein the electric heating boiler supplies heat to each heating user through a first water supply pipeline and a first water return pipeline, the first water supply pipeline is provided with a first valve, and the first water return pipeline is provided with a first water pump; the electric heating boiler supplies heat to the energy storage water tank through a second water supply pipeline and a second water return pipeline, a second water pump and a second valve are arranged on the second water supply pipeline, the electric heating boiler further comprises a one-level heat exchanger, a shell pass and a tube pass of the one-level heat exchanger are respectively connected with the energy storage water tank and the first water return pipeline, the energy storage water tank is used for heating water returning in the first water return pipeline, and a third water pump and a third valve are arranged on a circulating pipeline of the energy storage water tank.
In the above technical scheme, a one-way valve is arranged on the second water return pipeline.
According to the above technical scheme, the utility model provides a reduce electric boiler heating system of heating expense has solved the problem that prior art low ebb electricity utilization efficiency is low. Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses well energy storage water tank utilizes the low ebb electricity to heat to do not participate in heating pipe hot water circulation, but heat each heating user's return water through the one-level heat exchanger, improved electric heating boiler's return water temperature, nearly and reduce electric heating boiler heating return water required expense, reduced the running cost.
The utility model discloses an among the preferred scheme, be equipped with first temperature sensor in the energy storage water tank, be equipped with second temperature sensor on the first return water pipeline, when first, second temperature sensor detects the hot water temperature in the energy storage water tank and is less than heating user's return water temperature, close the third valve, avoid first return water pipeline heat dissipation to give energy storage water tank to ensure that energy storage water tank only uses the low ebb electric heating, further improved the utilization efficiency of low ebb electricity.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly described and explained below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the electric boiler heating system for reducing heating cost according to the present invention.
In fig. 1, the correspondence between the components is as follows:
the system comprises an electric heating boiler 10, an energy storage water tank 20, a primary heat exchanger 30 and a heating user 80;
a first water supply pipeline 11, a first water return pipeline 12, a second water supply pipeline 13, a second water return pipeline 14, a first valve 15, a second valve 16 and a third valve 17;
a first water pump 21, a second water pump 22, and a third water pump 23.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, under the premise that the person skilled in the art does not make creative work, all other embodiments obtained belong to the protection scope of the present invention.
The utility model discloses an implementation principle is: in the off-peak electricity stage, the electric heating boiler simultaneously provides hot water for the first water supply pipeline and the second water supply pipeline, the energy storage water tank stores heat, and each heating user heats the heat; after the off-peak electricity stage, the electric heating boiler no longer provides hot water to the energy storage water tank, only provides hot water to first supply channel, for each heating user's heating, simultaneously, the energy storage water tank heats each heating user's return water, improves the return water temperature to reduce the energy consumption of electric heating boiler.
In order to explain and explain the technical solution and implementation of the present invention more clearly, several preferred embodiments for implementing the technical solution of the present invention are introduced below.
It should be noted that the terms of orientation such as "inside, outside", "front, back" and "left and right" are used herein as reference objects, and it is obvious that the use of the corresponding terms of orientation does not limit the scope of protection of the present invention.
Referring to fig. 1, fig. 1 is a schematic view of an electric boiler heating system for reducing heating cost according to the present invention. As shown in fig. 1, the utility model provides a reduce electric boiler heating system of heating expense for heat to a plurality of parallelly connected heating users 80, including electric heating boiler 10, energy storage water tank 20 and one-level heat exchanger 30.
The electric heating boiler 10 heats each heating user 80 through the first water supply pipeline 11 and the first water return pipeline 12, and realizes the circulation heating through the first water pump 21, and the first water supply pipeline 11 is provided with the first valve 15, and the first water return pipeline 12 is provided with the first water pump 21.
The electric heating boiler 10 supplies heat to the energy storage water tank 20 through the second water supply pipeline 13 and the second water return pipeline 14, and realizes circulating heating through the second water pump 22, the hot water outlet of the electric heating boiler 10 is respectively connected with the first water supply pipeline 11 and the second water supply pipeline 13, and the first water return pipeline 12 and the second water return pipeline 14 are respectively connected with the water return port of the electric heating boiler 10. The second return pipe 14 is provided with a check valve to prevent return water from flowing back into the energy storage water tank 20. The second water supply line 13 is provided with a second water pump 22 and a second valve 16.
The shell pass and the tube pass of the primary heat exchanger 30 are respectively connected with the energy storage water tank 20 and the first water return pipeline 14, the energy storage water tank 20 is used for heating the return water in the first water return pipeline 14, the primary heat exchanger 30 realizes hot water circulation through a third water pump 23, and the third water pump 23 and a third valve 17 are arranged on the water circulation pipeline.
The utility model provides a scheme, energy storage water tank 20 utilizes the valley electricity to heat to do not participate in heating pipe hot water circulation, but heat each heating user 80's return water through one-level heat exchanger 30, with the return water temperature that improves electric heating boiler 10, nearly and reduce electric heating boiler 10 and heat the required electric energy of consumption of return water.
The utility model provides a scheme is equipped with first temperature sensor in the energy storage water tank 20, is equipped with second temperature sensor on the first return water pipeline 12, and when first, the hot water temperature that second temperature sensor detected in the energy storage water tank 20 is less than heating user 80's return water temperature, closes third valve 22 and first water pump 21, avoids first return water pipeline 12 to dispel the heat for energy storage water tank 20 to ensure that energy storage water tank 20 only uses the low ebb electricity to heat, improved the utilization efficiency of low ebb electricity.
The working process of the utility model is as follows:
in the off-peak electricity stage, the first valve 15 and the second valve 16 are both opened, the electric heating boiler 10 simultaneously supplies hot water to the first water supply pipeline 11 and the second water supply pipeline 13, the energy storage water tank 20 stores heat, and each heating user 80 heats.
After the off-peak electricity stage is finished, the second valve 16 is closed, the third valve 17 is opened, and the electric heating boiler 10 does not supply hot water to the energy storage water tank 20 any more, and supplies hot water only to the first water supply line 13 to heat each heating user 80. Meanwhile, the energy storage water tank 20 heats the return water of each heating user 80, and the return water temperature is increased, so that the cost of the electric heating boiler 10 is reduced.
Synthesize the description of above specific embodiment, the utility model provides a reduce electric boiler heating system of heating expense compares with prior art, has following advantage:
firstly, the energy storage water tank only heats at the off-peak electricity stage, so that the cost is saved, and the utilization rate of the off-peak electricity is improved.
And secondly, the energy storage water tank does not participate in the circulation of a heating pipeline, so that the energy storage water tank is prevented from being heated in the peak-valley electricity stage, and the cost is effectively saved.
And thirdly, the first temperature sensor and the second temperature sensor are utilized to control the hot water circulation of the energy storage water tank, when the hot water temperature of the energy storage water tank is lower than the return water temperature of a heating user, the third valve and the first water pump are closed, the first return water pipeline is prevented from radiating heat for the energy storage water tank, the energy storage water tank is only heated by using valley electricity, the utilization efficiency of the valley electricity is improved, and the cost is saved.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (2)
1. An electric boiler heating system capable of reducing heating cost comprises an electric heating boiler and an energy storage water tank, wherein the electric heating boiler supplies heat to each heating user through a first water supply pipeline and a first water return pipeline, a first valve is arranged on the first water supply pipeline, and a first water pump is arranged on the first water return pipeline; the electric heating boiler supplies heat to the energy storage water tank through a second water supply pipeline and a second water return pipeline, a second water pump and a second valve are arranged on the second water supply pipeline, and the electric heating boiler is characterized by further comprising a one-stage heat exchanger, a shell pass and a tube pass of the one-stage heat exchanger are respectively connected with the energy storage water tank and the first water return pipeline, the energy storage water tank is used for heating water returning in the first water return pipeline, and a third water pump and a third valve are arranged on the circulating pipeline of the energy storage water tank.
2. The electric boiler heating system for reducing heating costs according to claim 1, wherein a check valve is provided on the second return water line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024107.XU CN212805805U (en) | 2020-12-15 | 2020-12-15 | Electric boiler heating system capable of reducing heating cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024107.XU CN212805805U (en) | 2020-12-15 | 2020-12-15 | Electric boiler heating system capable of reducing heating cost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212805805U true CN212805805U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202023024107.XU Active CN212805805U (en) | 2020-12-15 | 2020-12-15 | Electric boiler heating system capable of reducing heating cost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212805805U (en) |
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2020
- 2020-12-15 CN CN202023024107.XU patent/CN212805805U/en active Active
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