CN201340011Y - Micro-pressure electric heat storage system - Google Patents
Micro-pressure electric heat storage system Download PDFInfo
- Publication number
- CN201340011Y CN201340011Y CN 200820170800 CN200820170800U CN201340011Y CN 201340011 Y CN201340011 Y CN 201340011Y CN 200820170800 CN200820170800 CN 200820170800 CN 200820170800 U CN200820170800 U CN 200820170800U CN 201340011 Y CN201340011 Y CN 201340011Y
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- heat
- heat storage
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- accumulator tank
- pressure electric
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Abstract
The utility model relates to a micro-pressure electric heat storage system, which mainly comprises a micro and normal-pressure boiler. The micro and normal-pressure boiler is divided into two branches through a primary side circulating water pump; one branch is connected with a plate heat exchanger to form a parallel loop; the other branch is connected with the input end of a heat storage tank; the output end of the heat storage tank is connected with the micro and normal-pressure boiler and form an addition loop; and the plate heat exchanger is connected with a heat consuming device through a secondary side circulating water pump and form a loop. The utility model has the following advantages: the heat storage can be fully and completely performed, and the hot water in the whole heat storage tank maintains the consistent temperature after the heat storage is completed. When the user uses the hot water, the heat of the hot water in the tank can be completely released for use. The devices of the whole system are in the state with the micro or normal pressure, thereby ensuring the safety and reliability. Five kinds of operating conditions can be realized to satisfy the requirements of different users and different operating conditions. The operation is simple. In the five kinds of operating conditions, the original electrical load capacity of the user is used to the greatest extent, and the investment increase caused by the capacity increase is minimized.
Description
Technical field
The utility model relates to electric accumulation of heat field, it mainly is a kind of minute-pressure electric heat storage system, adopt little normal pressure electric boiler as thermal source, heating, domestic hot-water mainly are provided, all need the place of thermal source to be mainly used in hotel, market, office building, scientific research, hospital, school, office, scenic spot etc., can satisfy systems such as air-conditioning, heating, domestic hot-water.
Background technology
The electricity consumption situation of modern city is electric load sharp increase on the one hand; The electric weight growth but relatively lags behind on the other hand, the network load rate constantly descends, and generally has peak of power consumption, power supply capacity deficiency by day, for satisfying the peak electricity consumption new power plant construction of having to, but and have in the low power consumption period at night that electricity can not send, power plant's inefficient operation under underload.People adopt various ways to alleviate this contradiction, for example build hydroenergy storage station etc.There is certain repeatability on heat supplying air conditioning electricity consumption and electric load peak, and little normal pressure electric heat storage system is one of effective means that solves this contradiction.
The city environmental pollution problem becomes increasingly conspicuous, and also is one of major reason of this project generation.Electric heat storage system also has advantages such as pollution-free no waste gas, waste liquid, waste residue, clean hygiene, noiseless, the flames of anger, fire-fighting requirement is low.
There is the problem of following several respects in electric heat storage system in the market:
1, system easily forms dead band or short circuit, and the easy specification of mixing and distributing of high low-temperature water heating is not obvious, causes heat storage efficiency low, and the utilization rate of hot water is low.
2, certain pressure bears in system, has potential safety hazard.
3, system flow is single, can not satisfy the requirement of different user, different operating modes.
4, flow process is unreasonable, causes the boiler electrical power big, and customer investment is strengthened, and causes waste.Also increased simultaneously operating cost.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of flow process reasonable, can satisfy the minute-pressure electric heat storage system of different user working condition requirement.
The utility model solves the technical scheme that its technical problem adopts: this minute-pressure electric heat storage system, mainly comprise the minute-pressure electric boiler, described minute-pressure electric boiler is divided into two the tunnel by the primary side water circulating pump, one the tunnel is connected to form and the loop with plate type heat exchanger, another road is connected with the input of heat-accumulator tank, and the output of heat-accumulator tank is connected and constitutes with little normal pressure electric boiler and adds the loop; Plate type heat exchanger by the secondary side water circulating pump be connected with hot equipment and constitute the loop.
The output of described heat-accumulator tank is connected with softening water tank by small pump.
The input of described heat-accumulator tank is arranged on the top of heat-accumulator tank, and the output of heat-accumulator tank is arranged on the bottom of heat-accumulator tank.
The effect that the utility model is useful is:
Fully, fully, when finishing, accumulation of heat is the hot water of temperature unanimity in the whole heat-accumulator tank when 1) guaranteeing system's accumulation of heat.
When 2) user used hot water, the heat that can guarantee hot water in the tank body can all discharge and utilize.
3) whole system comprises that equipment all is in minute-pressure or atmospheric pressure state, and is safe and reliable.
4) can realize five kinds of operating conditions, satisfy the requirement of different user, different applying working conditions.Simple to operate.
5) five kinds of operating conditions can utilize the original user electrical load capacity as far as possible, and the investment that reduces increase-volume as far as possible and brought increases.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Description of reference numerals: minute-pressure electric boiler 1; Primary side water circulating pump 2; Heat-accumulator tank 3; Small pump 4; Plate type heat exchanger 5; Secondary side water circulating pump 6; With hot equipment 7; T1～T7---each measuring point temperature sensor; V1～V4---electrically operated valve.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in the figure, this minute-pressure electric heat storage system, mainly comprise minute-pressure electric boiler 1 (or normal pressure electric boiler), described minute-pressure electric boiler 1 is divided into two the tunnel by primary side water circulating pump 2, one the tunnel is connected to form and the loop with plate type heat exchanger 5, another road is connected with the input of heat-accumulator tank 3, the output of heat-accumulator tank 3 is connected and constitutes with little normal pressure electric boiler 1 and adds the loop, the input of described heat-accumulator tank 3 is arranged on the top of heat-accumulator tank 3, the output of heat-accumulator tank 3 is arranged on the bottom of heat-accumulator tank 3, and the output of heat-accumulator tank 3 is connected with softening water tank by small pump 4.Plate type heat exchanger 5 by secondary side water circulating pump 6 be connected with hot equipment 7 and constitute the loop.
Adopt heat-accumulator tank reasonable in design, the turnover in jar is taken over a position and is provided with the rational water-locator that distributes, and guarantees that high-temperature water is evenly distributed on the top of heat-accumulator tank, and water at low temperature is in the bottom of heat-accumulator tank, and can not form certain dead angle in the tank body.Also be provided with a plurality of parallel pipelines of forming by electrically operated valve in the system, can require to automatically switch according to applying working condition.It is reasonable to have flow scheme design, and multi-state moves, and can satisfy various users' demand, can select relevant operating mode for use according to actual conditions.Electric load is had the effect of peak load shifting, have energy savings simultaneously indirectly, reduce the effect of toxic emission.
Native system can be divided into five operating conditions: electric boiler storing up heat, the independent heat supply of heat-accumulator tank, electric boiler and heat-accumulator tank combined heat, the independent heat supply of electric boiler, the heat supply limit accumulation of heat of grill pan sole.
1, electric boiler storing up heat operating mode.Close electrically operated valve V2, V4, open electrically operated valve V1, V3, start primary side water circulating pump 2, minute-pressure electric boiler 1 heating that brings into operation, hot water enters the top of heat-accumulator tank, by the one or many circulation, makes the interior water temperature of heat-accumulator tank reach 90 ℃ of rated values.
2, the independent heat supply operating mode of heat-accumulator tank.Start secondary side water circulating pump 6 earlier.Close electrically operated valve V1, V3, open electrically operated valve V2, V4, start primary side water circulating pump 2, electric boiler 1 stops heating, by variable frequency adjustment primary side water circulating pump 2, the temperature T 3 by primary side after plate type heat exchanger 5 heat exchange is dropped to below 50 ℃.Cold water after the cooling enters the bottom of heat-accumulator tank 3, and hot water is slowly up extruded.The ruuning situation of secondary side can be learnt by the information of temperature sensor T6, T7.
3, electric boiler and heat-accumulator tank combined heat operating mode.Start secondary side water circulating pump 6 earlier.Close electrically operated valve V3, open electrically operated valve V4, regulate the aperture of electrically operated valve V1, V2, start primary side water circulating pump 2, minute-pressure electric boiler 1 heating that brings into operation by variable frequency adjustment primary side water circulating pump 2, drops to below 50 ℃ the temperature T 3 by primary side after plate type heat exchanger 5 heat exchange.The operate power of electric boiler can be regulated according to the information of temperature sensor T2 automatically according to behind the artificial initial setting of actual conditions.Part cold water after the cooling enters the bottom of heat-accumulator tank 3, and hot water is slowly up extruded.The hot water that part cold water and heat-accumulator tank flow out is mixed into the electric boiler import and heats.The ruuning situation of secondary side can be learnt by the information of temperature sensor T6, T7.
4, the independent heat supply operating mode of electric boiler.Start secondary side water circulating pump 6 earlier.Close electrically operated valve V2, V3, open electrically operated valve V1, V4, start primary side water circulating pump 2, electric boiler 1 heating that brings into operation by variable frequency adjustment primary side water circulating pump 2, drops to below 50 ℃ the temperature T 3 by primary side after plate type heat exchanger 5 heat exchange.The operate power of electric boiler is regulated automatically according to the information of temperature sensor T2.
5, grill pan sole accumulation of heat limit heat supply operating mode.Start secondary side water circulating pump 6 earlier.Close electrically operated valve V2, open electrically operated valve V1, regulate the aperture of electrically operated valve V3, V4, start primary side water circulating pump 2, minute-pressure electric boiler 1 heating that brings into operation, by regulating the aperture of electrically operated valve V3, V4, part hot water by plate type heat exchanger 5 heat exchange after the temperature T 3 of primary side drop to below 50 ℃.The cold water that flow out cold water after the cooling and heat-accumulator tank 3 bottoms converges, and enters the electric boiler import and heats.Another part hot water enters the top of heat-accumulator tank and carries out accumulation of heat.The ruuning situation of secondary side can be learnt by the information of temperature sensor T6, T7.
In addition to the implementation, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1, a kind of minute-pressure electric heat storage system, mainly comprise minute-pressure electric boiler (1), it is characterized in that: described minute-pressure electric boiler (1) is divided into two the tunnel by primary side water circulating pump (2), one the tunnel is connected to form and the loop with plate type heat exchanger (5), another road is connected with the input of heat-accumulator tank (3), and the output of heat-accumulator tank (3) is connected and constitutes with little normal pressure electric boiler (1) and adds the loop; Plate type heat exchanger (5) by secondary side water circulating pump (6) be connected with hot equipment (7) and constitute the loop.
2, minute-pressure electric heat storage system according to claim 1 is characterized in that: the output of described heat-accumulator tank (3) is connected with softening water tank by small pump (4).
3, minute-pressure electric heat storage system according to claim 1 and 2 is characterized in that: the input of described heat-accumulator tank (3) is arranged on the top of heat-accumulator tank (3), and the output of heat-accumulator tank (3) is arranged on the bottom of heat-accumulator tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820170800 CN201340011Y (en) | 2008-12-22 | 2008-12-22 | Micro-pressure electric heat storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820170800 CN201340011Y (en) | 2008-12-22 | 2008-12-22 | Micro-pressure electric heat storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340011Y true CN201340011Y (en) | 2009-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820170800 Expired - Fee Related CN201340011Y (en) | 2008-12-22 | 2008-12-22 | Micro-pressure electric heat storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201340011Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147323A1 (en) * | 2020-01-20 | 2021-07-29 | 东北大学 | Comprehensive energy optimization control method for park |
-
2008
- 2008-12-22 CN CN 200820170800 patent/CN201340011Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147323A1 (en) * | 2020-01-20 | 2021-07-29 | 东北大学 | Comprehensive energy optimization control method for park |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |