CN104896556A - Steam heating system utilizing off-peak electricity as energy - Google Patents
Steam heating system utilizing off-peak electricity as energy Download PDFInfo
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- CN104896556A CN104896556A CN201410081744.0A CN201410081744A CN104896556A CN 104896556 A CN104896556 A CN 104896556A CN 201410081744 A CN201410081744 A CN 201410081744A CN 104896556 A CN104896556 A CN 104896556A
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Abstract
The invention discloses a steam heating system utilizing off-peak electricity as energy. The system is composed of an electric heating boiler, a heat accumulator, heating equipment, a condensate water tank, a water storage tank, a steam manifold and the like. A water distribution pipe and a water collection pipe are arranged in the heat storage device, and a water outlet pipe of the electric heating boiler is connected with the water distribution pipe of the heat storage device; a water inlet pipe of the electric heating boiler is connected with the water collection pipe of the heat storage device, and a steam supply pipe connected with the steam manifold is arranged on the heat storage device; a steam main of the steam manifold is connected with the heating equipment, and the heating equipment is connected with the top of the condensate water tank through a condensate water pipe; and the lower portion of the condensate water tank is connected with a water inlet pipe of the water storage tank. According to the steam heating system, the type that the off-peak electricity, cheap at night, of a power grid generates high-temperature saturated water through the electric heating boiler is utilized for charging heat for the heat storage device; and in the heating process, the high-temperature saturated water in the heat storage device is evaporated to generate steam so as to supply heat to the heating equipment. Closed type circulation is adopted in the heating system, working media do not flow outwards, and the high heat energy utilization rate is achieved. The system can be widely applied to hospitals, hotels and small and medium industrial enterprises with steam as heat sources.
Description
Technical field
The invention belongs to Thermal Power Engineering systems technology field, relate to a kind of steam heating system utilizing trough-electricity to be the energy.
Background technology
Trough-electricity refers to the electricity consumption after peak of power consumption, as the electricity consumption between night 23 to morning 7.At present, trough-electricity is utilized to be only limited to storage hot water and ice-reserving refrigeration civil area, its scale is less, very limited to the effect of electrical network peak load shifting, if industrial heat user can change into thermal energy storage trough-electricity on a large scale, change into steam supply heat user when heat supply, will play a significant role to electrical network peak load shifting, balance electricity consumption and supply load undoubtedly.But this area not yet has the report of the steam heating system of electrical network trough-electricity of can dissolving in a large number so far.
Summary of the invention
The object of the invention is to solve prior art Problems existing, a kind of steam heating system utilizing trough-electricity to be the energy is provided, this system can become thermal energy storage electric energy conversion at a low price at night, and operationally produces steam supply heating equipment.
For realizing the object of foregoing invention and the technical scheme adopted is such: the steam heating system utilizing trough-electricity to be the energy provided is by the boilers heated electrically connected by pipeline, storage heater, heating equipment, condensation tank, water tank and gas-distributing cylinder are formed, water distributor and collector pipe is provided with in storage heater, the outlet pipe of boilers heated electrically is connected with the water distributor of storage heater, the water inlet pipe of boilers heated electrically is connected with the collector pipe of storage heater, storage heater is provided with the steam supply pipe be connected with gas-distributing cylinder, the steam main of gas-distributing cylinder connects heating equipment, heating equipment is connected with condensation tank top by solidifying water pipe, condensation tank bottom is connected with the water inlet pipe of water tank.
Technical scheme of the present invention also comprises: boilers heated electrically adopts electrothermal high-temperature homogeneous solution-type reactor, and boilers heated electrically is that high-temperature water is transported in storage heater with the form accumulation of heat of high temperature saturation water electric energy conversion.
Technical scheme of the present invention also comprises: the water distributor in storage heater, the both sides of collector pipe are equipped with multiple lower finned tube being drilled with aperture and upper finned tube respectively.
Technical scheme of the present invention also comprises: water tank is vertical structure, and the solidifying water that condensation tank exports directly sends into water tank bottom by water inlet pipe.
Technical scheme of the present invention also comprises: the pipeline of the water inlet pipe be connected with storage heater collector pipe at boilers heated electrically is equipped with high-temperature pump.
Technical scheme of the present invention also comprises: the pipeline of the water inlet pipe be connected with condensation tank at water tank is equipped with high-temperature pump.
Technical scheme of the present invention also comprises: boilers heated electrically in system adopts modularized design, boilers heated electrically by multiple assembly by intake standpipe, water outlet standpipe and Duo Gen transverse water inlet pipe, water outlet transverse tube, adapter, adapter connects to form is a pipe-support type entirety.
The present invention is by the enforcement of technique scheme, the water-filling space of boilers heated electrically and storage heater is made to form the electric heating system of a forced circulation, electric energy by electrothermal high-temperature homogeneous solution-type reactor change into heat energy with saturated-water phase heat-storage in storage heater, fill after thermal pressure reaches the pressure of setting, just complete and fill heat; When supplying heating equipment steam, storage heater starts heat release, saturation water vaporization in storage heater produces steam Transportation to heating equipment (ordinary circumstance is filled thermal pressure and pressed 0.7MPa ~ 1.2MPa comparatively reasonable higher than heat release steam), fill the pressure differential of thermal pressure and discharging pressure, determine the amount of stored heat of the water-filling unit volume of storage heater; Steam heating system is closed circulation system, and steam carries out heat exchange and releases latent heat in heating equipment, and condensate water is delivered in water tank, enters boilers heated electrically heating night and returns storage heater again.At night, oneself water of reducing of temperature in storage heater, continue heating again by forced circulated heating system, what make to reach in storage heater setting fills thermal pressure, the temperature of water is risen to the saturation temperature of setting.Closed circulation system makes the matter of condensate water and heat not run off theoretically, which improves the heat utilization rate of system.Boilers heated electrically have employed the design of assembly mould blocking, simplifies the process for machining and manufacturing of conventional boilers heated electrically, reduces production cost.
The beneficial effect that the present invention has is: this steam heating system can utilize the trough-electricity of low price at night electric energy conversion for thermal energy storage is in storage heater, and supply uses the heat user of steam; The heating system in downstream is closed cycle, effectively the matter in condensate water and recuperation of heat is utilized, improves the heat utilization rate of system; Boilers heated electrically adopts modularized design, simplifies manufacturing process, reduces production cost.The technology can be widely used in hospital, hotel and middle-size and small-size take steam as the industrial enterprise of thermal source.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention's specific embodiment.
Fig. 2 is boilers heated electrically structural representation in the present invention.
Fig. 3 is boilers heated electrically top view in the present invention.
Fig. 4 is waterway structure figure in storage heater in the present invention.
In figure, the title of each number designation respectively: 1-water inlet pipe, 2-boilers heated electrically, 3-return pipe, 4-high-temperature pump, 5-outlet pipe, 6-level sensor, 7-storage heater, 8-water distributor, 9-outlet pipe, 10-collector pipe, 11-water tank, 12-water inlet pipe, 13-high-temperature pump, 14-pressure sensor, 15-condensation tank, 16-coagulates water pipe, 17-safety valve, 18-air supply pipe, 19-heating equipment, 20-gas-distributing cylinder, 21-steam main, 22-is intake standpipe, 23-transverse water inlet pipe, 24-takes over, 25-assembly, 26-water outlet standpipe, 27-takes over, 28-water outlet transverse tube, 29-shell, 30-electrothermal tube, 31-heat-insulation layer, finned tube under 32-, the upper finned tube of 33-.
Detailed description of the invention
Below in conjunction with accompanying drawing, content of the present invention is described further.
See Fig. 1, the steam heating system utilizing trough-electricity to be the energy of the present invention is primarily of formations such as boilers heated electrically 2, storage heater 7, heating equipment 19, condensation tank 15, water tank 11 and connecting pipes.The outlet pipe 5 of boilers heated electrically 2 is connected with the water distributor 8 of storage heater 7, and the water inlet pipe 1 of boilers heated electrically 2 is connected with the collector pipe 10 of storage heater 7, and this segment pipe is equipped with high-temperature pump 4; The steam supply pipe 18 of storage heater 7 connects gas-distributing cylinder 20, connects heating equipment 19 by the steam main 21 of gas-distributing cylinder 20, and heating equipment 19 is connected with condensation tank 15 top by solidifying water pipe 16; Condensation tank 15 bottom is connected with the water inlet pipe 12 of water tank 11, and this section of pipeline is equipped with high-temperature pump 13.
Accompanying drawing 2 is structural representations of boilers heated electrically in this steam heating system.By shell 29 and electrothermal tube 30 constituent components 25, the adapter 24 of assembly 25 is connected with transverse water inlet pipe 23, and adapter 27 is connected with water outlet transverse tube 28; Transverse water inlet pipe 23, water outlet transverse tube 28 connect multiple assembly 25; Multiple transverse water inlet pipe 23, water outlet transverse tube 28 are connected on water standpipe 22 and water outlet standpipe 27; Water inlet pipe 1 is located at into water standpipe 22 lower end, and outlet pipe 5 is located at water outlet standpipe 26 upper end; Heat-insulation layer 31 is provided with in boilers heated electrically.
Accompanying drawing 3 is boilers heated electrically top views.
See accompanying drawing 4, many group finned tubes 32 are equipped with in collector pipe 10 both sides in storage heater 7, and the upper finned tube 33 of many groups is equipped with in water distributor 8 both sides.Finned tube 33, finned tube 32 are all drilled with the aperture be evenly distributed.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, boilers heated electrically 2, storage heater 7 and pipeline, high-temperature pump 3 form forced circulation, water in heat storage device 7 makes it the saturation temperature reached under the pressure of setting, electric energy is converted to heat-storage in storage heater, and this process is referred to as to fill heat; During heat supply, pressure drop in storage heater 7, saturation vapour turns to steam and delivers to gas-distributing cylinder 20 through steam supply pipe 18, and the steam in gas-distributing cylinder 20 is delivered to heating equipment 19 through steam main 21 and carried out heat exchange, the condensate water generated delivers to condensation tank 15 through solidifying water pipe 16, then delivers to water tank 11 by high-temperature pump 13; Water tank is used for the condensate water produced after heating equipment heat exchange in storage system; At night, the condensate water of storing in water tank delivers to storage heater 7 through boilers heated electrically 2 heating; After storage heater discharges heat, remaining coolant-temperature gage is down to the value of setting, night, then through boilers heated electrically 2 circulating-heating, fills hot saturation temperature until reach.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy; Boilers heated electrically is in operation, and water enters from water inlet pipe 1, and be diverted in each assembly 25 by standpipe 22 and heat, hot water is pooled to standpipe 26, sends into storage heater through outlet pipe 5.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, the water distributor 8 of storage heater and the both sides of collector pipe are equipped with many and are bored foraminate upper finned tube 33, lower finned tube 32, this finned tube longitudinally arranged makes uniform distribution of temperature field in storage heater, improves storage heater usefulness.Storage heater and water tank are provided with heat-insulation layer.Storage heater is provided with safety valve 17, pressure sensor 14, level sensor 6.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, storage heater also can be vertical structure; Vertical storage heater tank body is high, and during system steam supply, condensate water directly sends into tank body lower part by high-temperature pump 13, and the saturation water impact that the condensate water centering upper temp of lower temperature is high is little, can not affect normal steam supply, therefore, can not establish water tank.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, heating system is closed system, and working medium does not run off.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, implantable Based Intelligent Control system, realizes auto-control.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, also can fill heat night and heat supply runs simultaneously, this situation needs the heating load according to whole day, configures the boilers heated electrically of corresponding power.
In the above-mentioned steam heating system utilizing trough-electricity to be the energy, storage heater steam pipe should arrange pressure regulator valve provides confession vapour pressure from setting to heating equipment.
Above-mentioned utilize steam heating system that trough-electricity is the energy be widely applicable for hospital, hotel and middle-size and small-size take steam as the industrial user of thermal source.
Claims (7)
1. the steam heating system utilizing trough-electricity to be the energy, it is characterized in that: by the boilers heated electrically connected by pipeline (2), storage heater (7), heating equipment (19), condensation tank (15), water tank (11) and gas-distributing cylinder (20) are formed, water distributor (8) and collector pipe (10) is provided with in storage heater (7), the outlet pipe (5) of boilers heated electrically (2) is connected with the water distributor (8) of storage heater (7), the water inlet pipe (1) of boilers heated electrically (2) is connected with the collector pipe (10) of storage heater (7), storage heater (7) is provided with the steam supply pipe (18) be connected with gas-distributing cylinder (20), the steam main (21) of gas-distributing cylinder (20) connects heating equipment (19), heating equipment (19) is connected with condensation tank (15) top by solidifying water pipe (16), condensation tank (15) bottom is connected with the water inlet pipe (12) of water tank (11).
2. the steam heating system utilizing trough-electricity to be the energy according to claim 1, is characterized in that: boilers heated electrically (2) adopts electrothermal high-temperature homogeneous solution-type reactor.
3. the steam heating system utilizing trough-electricity to be the energy according to claim 1, is characterized in that: the water distributor (8) in storage heater (7), the both sides of collector pipe (10) are equipped with multiple lower finned tube (32) being drilled with aperture and upper finned tube (33) respectively.
4. the steam heating system utilizing trough-electricity to be the energy according to claim 1, it is characterized in that: water tank (11) is vertical structure, the solidifying water that condensation tank (15) exports directly sends into water tank (11) bottom by water inlet pipe (12).
5. the steam heating system utilizing trough-electricity to be the energy according to claim 1, is characterized in that: the pipeline of the water inlet pipe (1) be connected with storage heater collector pipe (10) at boilers heated electrically (2) is equipped with high-temperature pump (4).
6. the steam heating system utilizing trough-electricity to be the energy according to claim 1, is characterized in that: the pipeline of the water inlet pipe (12) be connected with condensation tank (15) at water tank (11) is equipped with high-temperature pump (13).
7. the steam heating system utilizing trough-electricity to be the energy according to claim 1, it is characterized in that: boilers heated electrically (2) in system adopts modularized design, boilers heated electrically by multiple assembly (25) by water inlet standpipe (22), water outlet standpipe (26) and many transverse water inlet pipe (23), water outlet transverse tube (27), adapters (24), to take over that (27) connect to form be a pipe-support type entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081744.0A CN104896556A (en) | 2014-03-06 | 2014-03-06 | Steam heating system utilizing off-peak electricity as energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410081744.0A CN104896556A (en) | 2014-03-06 | 2014-03-06 | Steam heating system utilizing off-peak electricity as energy |
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| CN104896556A true CN104896556A (en) | 2015-09-09 |
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| CN201410081744.0A Pending CN104896556A (en) | 2014-03-06 | 2014-03-06 | Steam heating system utilizing off-peak electricity as energy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782939A (en) * | 2016-04-25 | 2016-07-20 | 西安科弘厨房工程设备有限责任公司 | Solar thermal closed circulating steam heating system |
| CN106091079A (en) * | 2016-06-01 | 2016-11-09 | 西安交通大学 | A kind of natural gas based on heat supply base station, electric coupling heating system |
| CN106787601A (en) * | 2017-01-05 | 2017-05-31 | 南京航空航天大学 | For the heat accumulating type metal magnetic fluid generating device and method of electric energy peak load shifting |
| CN108506914A (en) * | 2018-05-02 | 2018-09-07 | 中建环能建筑工程有限公司 | A kind of electric heat storage preheating steam generator |
| CN115507347A (en) * | 2022-08-23 | 2022-12-23 | 贵州电网有限责任公司 | Electric brewing energy storage device and energy storage method thereof |
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| JPH06249450A (en) * | 1993-02-26 | 1994-09-06 | Nippon Sanso Kk | Method and device for supplying steam |
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| CN201513870U (en) * | 2009-09-10 | 2010-06-23 | 泉州新一力热能设备有限公司 | System of heat accumulating type electric steam boiler |
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| JPH06249450A (en) * | 1993-02-26 | 1994-09-06 | Nippon Sanso Kk | Method and device for supplying steam |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782939A (en) * | 2016-04-25 | 2016-07-20 | 西安科弘厨房工程设备有限责任公司 | Solar thermal closed circulating steam heating system |
| CN106091079A (en) * | 2016-06-01 | 2016-11-09 | 西安交通大学 | A kind of natural gas based on heat supply base station, electric coupling heating system |
| CN106091079B (en) * | 2016-06-01 | 2019-04-09 | 西安交通大学 | A kind of natural gas based on heat supply base station is electrically coupled heating system |
| CN106787601A (en) * | 2017-01-05 | 2017-05-31 | 南京航空航天大学 | For the heat accumulating type metal magnetic fluid generating device and method of electric energy peak load shifting |
| CN108506914A (en) * | 2018-05-02 | 2018-09-07 | 中建环能建筑工程有限公司 | A kind of electric heat storage preheating steam generator |
| CN115507347A (en) * | 2022-08-23 | 2022-12-23 | 贵州电网有限责任公司 | Electric brewing energy storage device and energy storage method thereof |
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Application publication date: 20150909 |