CN105716279A - Constant-air-amount temperature control hot air circulating solid heat storage device - Google Patents
Constant-air-amount temperature control hot air circulating solid heat storage device Download PDFInfo
- Publication number
- CN105716279A CN105716279A CN201610221894.6A CN201610221894A CN105716279A CN 105716279 A CN105716279 A CN 105716279A CN 201610221894 A CN201610221894 A CN 201610221894A CN 105716279 A CN105716279 A CN 105716279A
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- module
- air
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- heat
- temperature
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Abstract
The invention discloses a constant-air-amount temperature control hot air circulating solid heat storage device. The constant-air-amount temperature control hot air circulating solid heat storage device comprises an energy storage module, a heat exchange module, a fan module and a control module, and the energy storage module comprises an electric heating element, a heat storage body, a control damper, a high-temperature air duct, a low-temperature air duct and a heat isolation layer; the high-temperature air duct is arranged inside the heat storage body, and the low-temperature air duct is arranged on the periphery of the heat storage body; an inlet of the low-temperature air duct is communicated with an inlet of the high-temperature air duct, and an outlet of the low-temperature air duct is communicated with an outlet of the high-temperature air duct; and the control damper is arranged at the inlet crossing position of the high-temperature air duct and the low-temperature air duct. The high-temperature air duct and the low-temperature air duct are arranged, according to the temperature of heated media of the secondary side, the proportion of the amount of air entering the high-temperature air duct and the low-temperature air duct is distributed, and releasing of heat and the temperature of the heated media of the secondary side are controlled. The temperature of hot air, conveyed to a heat exchanger, of the primary side is stably controlled within the range meeting the technology and safety requirement of the heat exchanger, and intrinsic safety is achieved.
Description
Technical field
The present invention relates to heat supply process field, espespecially a kind of permanent wind amount temperature control hot air circulation solid heat storage device.
Background technology
High-temp solid electric heat-storage device, adopt the wind-powered electricity generation of trough-electricity and wind field of dissolving, carry out storage heating, may replace coal and oil boiler, be conducive to optimizing electric power resource configuration, improve the utilization ratio of electric energy, promote power grid security economical operation, reduce user's heat cost.
The existing high-temp solid regenerative apparatus using air as heat-obtaining medium, it mainly constructs is by heating, heat storage, heat exchanger, circulating fan, air channel, thermal insulation layer, control system composition.
Its workflow is:
1.1 accumulation of heats: in the accumulation of heat period, heating heating power, heat storage absorbs these heats.After heating stops heating, heat storage is in heat storage.
1.2 heat releases: when needs heat release, circulating fan runs, by the heat in heat storage, discharge with the form of hot blast, hot blast enters heat exchanger, the liquid (water, heat conduction wet goods) of heating heat exchanger secondary side or gas, produces hot water, steam, high temperature heat conductive oil, hot-air etc..
High-temp solid regenerative apparatus in the market, is all by the high-temperature hot air after heat storage heats, is routed directly to air-gas heat exchanger, or air-liguid heat exchanger, in order to heated air or liquid, carried out the adjustment of air quantity by rotation speed of fan, control the output of heat.Hot-air through blower fan, is again introduced into heat storage heat temperature raising after entering heat exchanger heat exchange cooling.
The inherent shortcoming of current techniques is, due to the high temperature air heated through heat storage, its maximum temperature is likely to up to 300～700 DEG C, even higher, these high temperature airs are directly entered heat exchanger, if the liquid of heat exchanger secondary side or gas circulating load are not enough, will cause following serious consequence:
If a heat exchanger secondary side is water, high steam will be gasificated in heat exchanger；
If two heat exchanger secondary sides are conduction oils, because heat exchanger is overheated, if cracking reaction temperature will be produced higher than conduction oil flash-point, will blast and burn；
If three heat exchanger secondary sides are imflammable gas, or are mixed with the air of imflammable gas, if temperature is higher than the flash-point of imflammable gas, will blast and burn；
Four, the hot-air of excessive temperature, it is possible to cause deformation or the leakage of heat exchanger.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of hot blast temperature making primary side be sent to heat exchanger, the stability contorting a kind of permanent wind amount temperature control hot air circulation solid heat storage device within the scope of the technology meeting heat exchanger and safety requirements.
One permanent wind amount temperature control hot air circulation solid heat storage device of the present invention, including energy storage module, heat exchange module, blower fan module, control module, the air outlet of described energy storage module is connected with the air inlet of blower fan module, the air outlet of blower fan module is connected with the air inlet of heat exchange module or the air outlet of energy storage module is connected with the air inlet of heat exchange module, and the air outlet of blower fan module is connected with the air inlet of energy storage module, wherein:
Energy storage module, including: heating, heat storage, damper, high temperature air channel, cryogenic wind-tunnel, thermal insulation layer, high temperature air channel is set inside described heat storage, described heat storage surrounding arranges cryogenic wind-tunnel, the inlet communication in the import of cryogenic wind-tunnel and high temperature air channel, the outlet in the outlet of cryogenic wind-tunnel and high temperature air channel, the import intersection of described high temperature air channel and cryogenic wind-tunnel arranges damper, for Cryogenic air is divided into two-way, respectively enter high temperature air channel and cryogenic wind-tunnel, the outlet in described cryogenic wind-tunnel and high temperature air channel cross after air channel pathogenic wind-warm sensor is set；
Heat exchange module, including heat exchanger, thermal insulation layer, described heat exchanger arranges secondary side heat exchange medium temperature sensor；
Blower fan module, including circulating fan, heat insulation air channel.
Described heat storage is solid heat storage brick setting, is made up of multilamellar gitter brick, and described high temperature air channel is arranged between multilamellar gitter brick.
Described heating is tubular metal electric heating element, ribbon heater or spiral heating wire.
Described heat exchanger is gas-to-gas heat exchanger or gas liquid exchanger.
Described circulating fan, for centrifugal blower or axial flow blower.
The Advantageous Effects of the present invention is in that: the present invention passes through to arrange high temperature air channel and cryogenic wind-tunnel, and the temperature according to secondary side heated medium distributes into the air quantity ratio in high and low temperature air channel, controls the release of heat and the temperature of secondary side heated medium.Making primary side be sent to the hot blast temperature of heat exchanger, stability contorting, within the scope of the technology meeting heat exchanger and safety requirements, accomplishes essential safety.Further, owing to the wind speed of primary side is basically unchanged, it is ensured that the high efficient heat exchanging of heat exchanger.
Accompanying drawing explanation
Fig. 1: the structural representation of the present invention.
Fig. 2: the positive facade section of the present invention.
Fig. 3: the side elevation profile of the present invention.
Fig. 4: air inducing positive-pressure type connection diagram.
Fig. 5: air blast negative-pressure type connection diagram.
Wherein: 1 heating, 2 heat storages, 3 circulating fans, 4 heat exchangers, 5 thermal insulation layers, 6 cryogenic wind-tunnels, 7 high temperature air channels, 8 air doors, 9 pathogenic wind-warm sensors, 10, secondary side heat exchange medium temperature sensor, 11 energy storage modules, 12 heat exchange modules, 13 blower fan module, 14 control modules.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1:
As Figure 1-4, the present invention is a kind of permanent wind amount temperature control hot air circulation solid heat storage device, including energy storage module 11, heat exchange module 12, blower fan module 13, controls module 14, adopts air blast positive-pressure type to connect between each module of the present embodiment, the air outlet of energy storage module is connected with the air inlet of heat exchange module, and the air outlet of blower fan module is connected with the air inlet of energy storage module.
Described energy storage module includes: heating 1, heat storage 2, damper, high temperature air channel, cryogenic wind-tunnel, thermal insulation layer, high temperature air channel 7 is set inside described heat storage, described heat storage surrounding arranges cryogenic wind-tunnel 6, the inlet communication in the import of cryogenic wind-tunnel and high temperature air channel, the outlet in the outlet of cryogenic wind-tunnel and high temperature air channel, the import intersection of described high temperature air channel and cryogenic wind-tunnel arranges damper 8, for Cryogenic air is divided into two-way, one tunnel enters cryogenic wind-tunnel and continues to move ahead, one tunnel enters high temperature air channel heat temperature raising, form double loop, the outlet in air channel of the two-way air converges and mixes, mixed air eventually enters into heat exchanger, the medium of heating heat exchanger secondary side.The outlet in described cryogenic wind-tunnel and high temperature air channel cross after air channel pathogenic wind-warm sensor 9 is set, for detecting the temperature of air-out after mixing, and then control the running of blower fan, and drive air door to close high temperature air channel by air door executer.
Described heat exchange module, including heat exchanger 4, thermal insulation layer 5；Described heat exchanger is gas-to-gas heat exchanger or gas liquid exchanger, is arranged on the air outlet of blower fan module.Described heat exchanger arranges secondary side heat exchange medium temperature sensor 10, for detecting heat exchanger secondary side medium temperature, and temperature information is delivered to control module, air door is driven by the air door executer controlling module, distribute into the air quantity ratio in high and low temperature air channel, control the release of heat and the temperature of secondary side heated medium.
Described blower fan module, including circulating fan 3, heat insulation air channel；Described circulating fan, for centrifugal blower or axial flow blower, is arranged on the air outlet of energy-storage module and the air inlet of heat exchange module.
Described control module, for controlling the overall operation of this device.
Described heat storage is solid heat storage brick setting, is made up of multilamellar gitter brick, and described high temperature air channel is arranged between multilamellar gitter brick.Every layer in length and breadth direction all arrange polylith gitter brick, every piece of same direction of gitter brick is provided with one or more air channel, and the air channel of adjacent gitter brick is through on the same axis, all through gitter brick air channels, collectively constitute high temperature air channel, the heat of release heat storage, the air that heating is passed through.
The present invention, by arranging low temperature and two air channels of high temperature, enters the cold cycle air in air channel, air door is divided into two-way, respectively enters high temperature, cryogenic wind-tunnel, forms double loop.Air door is regulated by air door executer, the temperature according to secondary side heated medium, air door executer drive air door, distributes into the air quantity ratio in high and low temperature air channel, controls the release of heat and the temperature of secondary side heated medium.
If mixed pathogenic wind-warm is overheated, the pathogenic wind-warm sensor 9 being positioned at ducting outlet will stop blower fan work by control system, drive air door to close high temperature air channel, safeguards system safety by air door executer simultaneously.
Embodiment 2:
As shown in Figure 5, energy storage module in the present embodiment, heat exchange module, blower fan module, control induced air negative-pressure formula between module to connect, the air outlet of described energy storage module is connected with the air inlet of blower fan module, the air outlet of blower fan module is connected with the air inlet of heat exchange module, and other are identical with embodiment 1, repeat no more herein.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (5)
1. a permanent wind amount temperature control hot air circulation solid heat storage device, it is characterized in that, including energy storage module, heat exchange module, blower fan module, controls module, and the air outlet of described energy storage module is connected with the air inlet of blower fan module, the air outlet of blower fan module is connected with the air inlet of heat exchange module or the air outlet of energy storage module is connected with the air inlet of heat exchange module, the air outlet of blower fan module is connected with the air inlet of energy storage module, wherein:
Energy storage module, including: heating, heat storage, damper, high temperature air channel, cryogenic wind-tunnel, thermal insulation layer, high temperature air channel is set inside described heat storage, described heat storage surrounding arranges cryogenic wind-tunnel, the inlet communication in the import of cryogenic wind-tunnel and high temperature air channel, the outlet in the outlet of cryogenic wind-tunnel and high temperature air channel, the import intersection of described high temperature air channel and cryogenic wind-tunnel arranges damper, for Cryogenic air is divided into two-way, respectively enter high temperature air channel and cryogenic wind-tunnel, the outlet in described cryogenic wind-tunnel and high temperature air channel cross after air channel pathogenic wind-warm sensor is set；
Heat exchange module, including heat exchanger, thermal insulation layer, described heat exchanger arranges secondary side heat exchange medium temperature sensor；
Blower fan module, including circulating fan, heat insulation air channel.
2. a kind of permanent wind amount temperature control hot air circulation solid heat storage device according to claim 1, it is characterised in that described heat storage is solid heat storage brick setting, is made up of multilamellar gitter brick, and described high temperature air channel is arranged between multilamellar gitter brick.
3. a kind of permanent wind amount temperature control hot air circulation solid heat storage device according to claim 1, it is characterised in that described heating is tubular metal electric heating element, ribbon heater or spiral heating wire.
4. a kind of permanent wind amount temperature control hot air circulation solid heat storage device according to claim 1, it is characterised in that described heat exchanger is gas-to-gas heat exchanger or gas liquid exchanger.
5. a kind of permanent wind amount temperature control hot air circulation solid heat storage device according to claim 1, it is characterised in that described circulating fan, for centrifugal blower or axial flow blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221894.6A CN105716279A (en) | 2016-04-11 | 2016-04-11 | Constant-air-amount temperature control hot air circulating solid heat storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221894.6A CN105716279A (en) | 2016-04-11 | 2016-04-11 | Constant-air-amount temperature control hot air circulating solid heat storage device |
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| CN105716279A true CN105716279A (en) | 2016-06-29 |
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| CN201610221894.6A Pending CN105716279A (en) | 2016-04-11 | 2016-04-11 | Constant-air-amount temperature control hot air circulating solid heat storage device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195974A (en) * | 2016-07-20 | 2016-12-07 | 大同新成新材料股份有限公司 | Heat accumulation boiler and manufacture building method |
| CN106839429A (en) * | 2017-03-13 | 2017-06-13 | 张威 | A kind of constant temperature on solid electricity heat accumulating type boiler goes out hot air apparatus |
| CN107062611A (en) * | 2017-04-24 | 2017-08-18 | 张威 | Air-cooled attemperator for the electric heat storage boiler of solid |
| CN107120836A (en) * | 2017-04-21 | 2017-09-01 | 廖滨 | High Efficiency Solid-State electric heating energy-storage device |
| CN109282495A (en) * | 2018-10-16 | 2019-01-29 | 逯帅 | A kind of heat accumulation equipment air duct |
| CN109579126A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | One kind filling storage formula solar energy hot blast heater |
| CN109838916A (en) * | 2017-11-25 | 2019-06-04 | 河北众暖环保科技有限公司 | Electric heat storage boiler heats bridge |
| CN111076264A (en) * | 2019-11-29 | 2020-04-28 | 国网辽宁省电力有限公司沈阳供电公司 | Container type phase-change high-voltage energy storage small-sized heat supply unit |
-
2016
- 2016-04-11 CN CN201610221894.6A patent/CN105716279A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195974A (en) * | 2016-07-20 | 2016-12-07 | 大同新成新材料股份有限公司 | Heat accumulation boiler and manufacture building method |
| CN106839429A (en) * | 2017-03-13 | 2017-06-13 | 张威 | A kind of constant temperature on solid electricity heat accumulating type boiler goes out hot air apparatus |
| CN107120836A (en) * | 2017-04-21 | 2017-09-01 | 廖滨 | High Efficiency Solid-State electric heating energy-storage device |
| CN107062611A (en) * | 2017-04-24 | 2017-08-18 | 张威 | Air-cooled attemperator for the electric heat storage boiler of solid |
| CN109838916A (en) * | 2017-11-25 | 2019-06-04 | 河北众暖环保科技有限公司 | Electric heat storage boiler heats bridge |
| CN109282495A (en) * | 2018-10-16 | 2019-01-29 | 逯帅 | A kind of heat accumulation equipment air duct |
| CN109579126A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | One kind filling storage formula solar energy hot blast heater |
| CN111076264A (en) * | 2019-11-29 | 2020-04-28 | 国网辽宁省电力有限公司沈阳供电公司 | Container type phase-change high-voltage energy storage small-sized heat supply unit |
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Application publication date: 20160629 |