CN218583120U - Energy storage type electric heating steam generator - Google Patents
Energy storage type electric heating steam generator Download PDFInfo
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- CN218583120U CN218583120U CN202222449307.2U CN202222449307U CN218583120U CN 218583120 U CN218583120 U CN 218583120U CN 202222449307 U CN202222449307 U CN 202222449307U CN 218583120 U CN218583120 U CN 218583120U
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Abstract
The utility model provides an energy storage formula electric heat steam generator, including steam generator, automatically controlled box, energy memory, steam generator includes electric heater, automatically controlled box external power supply, automatically controlled box with electric heater electricity is connected to form first heating circuit, automatically controlled box still with the energy memory electricity is connected, energy memory with electric heater electricity is connected to form second heating circuit, and two heating circuit do jointly electric heater provides the electric energy. The first heating loop and the second heating loop provide electric energy for the electric heater together, so that the low-ebb electric energy can be fully utilized to reduce the electricity consumption cost, meanwhile, the impact of the periodical change of the electric heating steam generator on the power grid can be effectively avoided, and the load of the power grid is stabilized.
Description
Technical Field
The utility model relates to a steam generator technical field, concretely relates to energy storage formula electric heat steam generator.
Background
The small amount of steam demand of the existing urban units and residents can only use gas, an electric heating type steam generator or a small boiler, such as the demand of the fields of kitchen cooking, garment processing, medical disinfection and the like. The gas steam generator is limited by the coverage of gas pipe network and gas safety, while the small coal-fired steam boiler is limited by environmental protection and energy use policy and will exit the historical stage. With the continuous development of social economy and electric power construction, the best way to meet the demand of a small amount of load steam in future life is to use an electric heating steam generator.
With the development of economy and the improvement of the living standard of people, the demand of society on electric energy is continuously increased, the capacity of a power grid is continuously enlarged, and the power utilization structure is greatly changed, so that the peak-to-valley difference of each large power grid is gradually increased. The contradiction between the peak shaving capability of the power grid and the objective peak shaving requirement is very sharp. With the continuous operation of power generation of power stations built in this year, the regulation and control of macro economy by the nation and the limitation of high-energy-consumption enterprises, the problem of lack of peak regulation means in the valley period is more prominent.
The existing small-sized electric heating steam generator is started and stopped immediately as required, generally only has the functions of setting start and stop and protecting chain, is started immediately when steam is required to be used, cannot fully use off-peak electricity to reduce the cost and cannot take the impact influence on electrical configuration and a power grid under the condition of severe fluctuation of steam load change into consideration, is not favorable for the stability of the power grid, and has high electricity utilization cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an energy storage formula electric heat steam generator can overcome among the prior art unable make full use of low ebb electricity reduce cost and be difficult to consider the defect of the impact influence to electrical configuration and electric wire netting under the violent undulant condition of vapour load change.
In order to solve the problem, the utility model provides an energy storage formula electric heat steam generator, including steam generator, automatically controlled box, energy memory, steam generator includes electric heater, automatically controlled box external power supply, automatically controlled box with electric heater electricity is connected to form first heating circuit, automatically controlled box still with energy memory electricity is connected, energy memory with electric heater electricity is connected to form second heating circuit, and two heating circuit do jointly electric heater provides the electric energy.
In some embodiments, the steam generator further comprises a steam generator body, and the electric heater extends into the steam generator body and is detachably connected with the steam generator body.
In some embodiments, the steam generator body is a water storage volume type structure, or a pipe type structure.
In some embodiments, the steam generator further comprises a water softening device, one end of the water softening device is connected with the water source end, and the other end of the water softening device is connected with the water inlet of the steam generator body.
In some embodiments, a water pump is disposed between the softened water device and the water source end.
In some embodiments, the electric heater is a direct current electric heater.
In some embodiments, the energy storage electrothermal steam generator further comprises a water cooling device, the energy storage device is arranged in the water cooling device, the water cooling device is provided with a shell for circulating cooling water, the shell is provided with an inner peripheral wall and an outer peripheral wall, and a sealable hollow interlayer is arranged between the inner peripheral wall and the outer peripheral wall.
In some embodiments, the outer peripheral wall is provided with a water cooling device water inlet and a water cooling device water outlet, the water cooling device water inlet is connected to the water source end, and the water cooling device water outlet is connected to the water inlet of the steam generator body.
In some embodiments, the water cooling device further comprises a base, the base is fixedly connected with the shell, and a through hole is formed in one end, close to the base, of the water cooling device.
The utility model provides a pair of energy storage formula electrothermal steam generator, according to the characteristics of user's vapour load cycle variation, set up two heating circuit, first heating circuit is directly for electric heater power supply by external power supply, energy memory is connected by external power supply to the second heating circuit, utilize the millet electricity to carry out the energy storage to energy memory, provide the electric energy for electric heater jointly by first heating circuit and second heating circuit, can have the make full use of millet electric energy in order to reduce the power consumption cost, can effectively avoid the impact of electrothermal steam generator periodic variation to the electric wire netting simultaneously, stabilize the electric wire netting load.
Drawings
Fig. 1 is a schematic structural view of an energy storage type electric heating steam generator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the water cooling apparatus according to the embodiment of the present invention.
The reference numerals are represented as:
1. a steam generator; 11. a steam generator body; 12. an electric heater; 13. a water softening device; 14. a water pump; 15. a steam generator drain outlet; 16. a temperature sensor; 17. a steam interface; 18. a pressure sensor; 19. a liquid level controller; 2. an energy storage device; 3. an electronic control box; 4. a water cooling device; 41. a water outlet of the water cooling device; 42. a base.
Detailed Description
With reference to fig. 1-2, according to the embodiment of the present invention, an energy storage type electric heating steam generator is provided, wherein the energy storage type electric heating steam generator includes a steam generator 1, an electric control box 3 and an energy storage device 2, the steam generator 1 includes an electric heater 12, the electric control box 3 is connected to an external power source, the electric control box 3 is electrically connected to the electric heater 12 to form a first heating loop, the electric control box 3 is further electrically connected to the energy storage device 2, the energy storage device 2 is electrically connected to the electric heater 12 to form a second heating loop, and the two heating loops provide electric energy for the electric heater 12. This application is according to the characteristics of using family to use vapour load periodic variation, set up two heating circuit, first heating circuit is directly for electric heater 12 power supply by external power supply, energy memory 2 is connected by external power supply to second heating circuit, utilize the low ebb electricity to carry out the energy storage to energy memory 2, provide the electric energy for electric heater 12 jointly by first heating circuit and second heating circuit, can have make full use of low ebb electric energy in order to reduce the power consumption cost, can effectively avoid the impact of steam generator 1 periodic variation to the electric wire netting simultaneously, stabilize the electric wire netting load. The standardized design of a single energy storage type electric heating steam generator within the range of 0.5kW-50kW can be realized to form the steam generator (small volume or cavity type), or the specification of more than 50kW is an energy storage type electric direct heating steam boiler (volume type), or a plurality of steam generators are combined into different thermodynamic systems, so that the skid-mounted, standardized and serialized design and manufacture are realized.
Specifically, the energy storage device 2 is an energy storage battery pack, the energy storage battery pack is a single or three mains supply (220v, 380v) connected to a power supply, and discharging (namely, power consumption of the electric heater 12) is in a low-voltage direct current (12 v-60 v) specification. Taking the maximum cooking load in the catering field as an example: the energy storage capacity is 1-4 according to the ratio of charging time to discharging time length, the charging and discharging power ratio is 1. If the load in the initial heating and temperature rising stage needs 15kw in a short time, the heat preservation only needs 3-5kw after the temperature is reached, if the energy storage device 2 is not arranged, the external power supply needs at least 15kw, and at the moment, because the steam generator 1 fluctuates frequently periodically, certain impact is inevitably generated on the power grid. After the energy storage device 2 is added, the energy storage device 2 discharges to provide 10kw, and the minimum load of the matched external power supply is only 5 kw. The energy storage device 2 is additionally arranged, so that the influence of short-term severe fluctuation of heat supply load on power grid load fluctuation can be reduced, and the power distribution and the power utilization are safer and more stable.
In a specific embodiment, the steam generator 1 further comprises a steam generator body 11, and the electric heater 12 extends into the steam generator body 11 and is detachably connected to the steam generator body 11. The electric heater 12 can be integrally disassembled and replaced, and the inside of the steam generator body 11 can be inspected and cleaned through the electric heater mounting and dismounting hole of the steam generator body 11.
Specifically, the electric heater 12 and the steam generator body 11 are assembled by large-diameter flanges through bolt connection, and the assembly surface is sealed by winding an asbestos gasket.
Specifically, the outer peripheral wall of the steam generator body 11 is wrapped by a light heat insulation material to serve as a heat insulation layer, and a mirror surface stainless steel sheet or an embossed aluminum sheet protection layer is arranged outside the heat insulation layer. The heat preservation layer can be used for preserving heat for heating water in the steam generator body 11, and energy waste caused by heating water cooling is avoided.
Preferably, the heat-insulating layer is filled with a superfine alumina silicate fiber blanket or a polyurethane foaming agent.
Specifically, steam generator body 11 one end has steam interface 17, be provided with pressure sensor 18 and temperature sensor 16 with steam interface 17 adjacent position, steam generator body 11's circumference lateral wall is provided with liquid level controller 19, liquid level controller 19 is used for monitoring steam generator body 11 interior liquid level, in order to reach timely supplementary water source, ensure steam output, pressure sensor 18, temperature sensor 16 is used for the inside operating pressure of instant detection steam generator body 11 and steam temperature, with pressure signal and temperature signal transport to automatically controlled box 3, be used for monitoring steam generator work safe state, analysis steam load fluctuation etc. in order to ensure stable output and reduce steam generator to the impact of electric wire netting.
Specifically, the steam generator body 11 is further provided with a steam generator drain 15 for draining the heated water in the steam generator body 11 during the maintenance of the equipment.
In a specific embodiment, the steam generator body 11 is a water storage volume type structure, or a pipe type structure. The positive displacement has certain heat-retaining function, and the volume is great, opens and stops slowly but relatively operates more stably, and the relative start-stop of pipeline formula is more quick, small. The volume type or pipeline type design can be matched according to the characteristics of the steam load curve used by a user. For example: taking the maximum load of cooking in the field of catering researched and researched by the market as an example, the volumetric water storage capacity is the water quantity required by 15-40min of the rated maximum steam supply, and the pipeline water storage capacity is the water quantity required by 5-20min of the rated maximum steam supply.
In a specific embodiment, the steam generator 1 further comprises a water softening device 13, wherein one end of the water softening device 13 is connected to the water inlet end, and the other end is connected to the water inlet of the steam generator body 11. The water softening device acts on water flow in the pipe through a pipeline type strong magnetic field, so that the polarity of salt-forming ions in water quality is changed, the water softening device is prevented from gathering and scaling due to temperature change, and the risk that the air outlet efficiency of the equipment is reduced due to excessive scaling is reduced.
Specifically, the water softener 13 is a pipeline-type water softener. When in use, the pressure can be connected with a tap water pipe or an external water pump 14 with the pressure not lower than 0.3MPa, and the pipeline type water softener has small volume and is convenient to install.
In a specific embodiment, a water pump 14 is arranged between the water softening device 13 and the water source end. The water pump 14 is arranged to provide a water source for stabilizing the water pressure of the steam generator 1, so that the phenomenon that the water supply of the steam generator 1 is unstable due to the unstable water pressure and the insufficient air supply of the steam generator is caused is avoided.
Specifically, when the supply water pressure is stable and higher than 1.25 times the steam pressure, the water pump 14 may not be equipped.
In one particular embodiment, the electric heater 12 is a direct current electric heater. The direct current heater is adopted to heat more stably, the required water volume is smaller, the start and stop are quick, the heat efficiency is higher, and the service life is long. For example, the water volume of the steam generator of the present application is 70-80% of that of a conventional electrically heated steam generator.
Specifically, the direct current heater is a direct current electric heating tube, and the terminal heating mode is an electrode heater or a resistance heater.
In a specific embodiment, energy storage formula electric heat steam generator still includes water cooling plant 4, place in energy storage device 2 water cooling plant 4 in, water cooling plant 4 has the casing that is used for the circulation cooling water, the casing has internal perisporium and periphery wall, the internal perisporium with the cavity intermediate layer that can seal has between the periphery wall.
In a specific embodiment, the outer peripheral wall is provided with a water cooling device water inlet and a water cooling device water outlet, the water cooling device water inlet is connected with the water source end, and the water cooling device water outlet is connected with the water inlet of the steam generator body 11. The general energy storage battery pack adopts air cooling, so that the cooling effect is poor, and the problem of energy waste exists. The energy storage battery pack is arranged in the water cooling device 4 with the water cooling interlayer structure, heating of the battery pack in the charging/discharging process is cooled, a water outlet pipe of the water cooling device 4 is connected with a water supply pipeline of the steam generator 1, heat exchange water can be sent to the steam generator 1 for use, and the energy storage waste heat recycling effect is achieved.
Specifically, the water cooling device 4 is further provided with a water cooling device water outlet 41 for draining cooling water in the water cooling device 4 during equipment maintenance.
In a specific embodiment, the water cooling device 4 further includes a base 42, the base 42 is fixedly connected to the housing, and a through hole is provided at one end of the water cooling device 4 close to the base 42. The cooling water tank (namely, the water cooling device) is at least provided with an inner leakage prevention check hole (namely, a through hole), when water flows out along the through hole, the risk of the inner leakage of the cooling water tank can be judged, the detection is required in time, and the safety of the water cooling device 4 is improved.
Specifically, the through-hole setting is on base 42, perhaps, the through-hole setting is in the junction of casing and base, ensures that the through-hole is in water cooling plant 4's lowest position to in the water cooling plant can be discharged smoothly to the dew of leaking, convenience of customers discovers the dew problem, in time overhauls equipment.
The pressure receiving member of the steam generator body 11, and the pipe, the valve, and the like are made of stainless steel or steel for a pressure vessel.
The control method of the energy storage type electric heating steam generator comprises the following steps,
a detection step, detecting the real-time of the electric control box 3;
a judging step, namely judging the relation between the real-time of the electric control box 3 and a first preset time interval;
and a control step, when the real-time belongs to a first preset time interval, the electric control box 3 controls the power supply to store energy for the energy storage device 2.
Specifically, an energy management system is installed in the electric control box 3, the real-time of the electric control box 3 can be the system real-time of the energy management platform, the energy management platform calculates and optimizes integrated data of a power supply, electricity storage, discharge, steam supply, water supply, liquid level, pollution discharge, safety and the like, an optimal electricity storage and discharge curve can be reasonably configured according to a steam load curve of a user, the steam supply load change under the most stable power supply of the power supply side is met, and the periodic steam load change requirements of industries such as kitchen cooking, medical disinfection, domestic hot water, clothes and the like are met.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an energy storage formula electric heat steam generator, characterized in that, includes steam generator (1), automatically controlled box (3), energy memory (2), steam generator (1) includes electric heater (12), automatically controlled box (3) external power supply, automatically controlled box (3) with electric heater (12) electricity is connected to form first heating circuit, automatically controlled box (3) still with energy memory (2) electricity is connected, energy memory (2) with electric heater (12) electricity is connected to form second heating circuit, and two heating circuit do jointly electric heater (12) provide the electric energy.
2. An energy storing electrically heated steam generator according to claim 1, characterized in that the steam generator (1) further comprises a steam generator body (11), the electric heater (12) extending inside the steam generator body (11) and being detachably connected to the steam generator body (11).
3. An energy storing electrically heated steam generator according to claim 2 characterised in that the steam generator body (11) is of a water storing volumetric configuration or alternatively, is of a tubular configuration.
4. An energy storing electrically heated steam generator according to claim 2, characterised in that the steam generator (1) further comprises a demineralization means (13), the demineralization means (13) being connected to a water supply end at one end and to a water inlet of the steam generator body (11) at the other end.
5. An energy storing electrothermal steam generator according to claim 4, characterized in that a water pump (14) is provided between the softened water means (13) and the water source end.
6. An energy storing electrically heated steam generator according to claim 1, characterised in that the electric heater (12) is a direct current electric heater.
7. An energy storage type electrothermal steam generator according to claim 1, further comprising a water cooling device (4), wherein the energy storage device (2) is arranged in the water cooling device (4), the water cooling device (4) is provided with a shell for circulating cooling water, the shell is provided with an inner peripheral wall and an outer peripheral wall, a sealable hollow interlayer is arranged between the inner peripheral wall and the outer peripheral wall, the outer peripheral wall is provided with a water cooling device water inlet and a water cooling device water outlet, the water cooling device water inlet is connected with a water source end, and the water cooling device water outlet is connected with a water inlet of the steam generator body (11).
8. The energy storage type electric heating steam generator according to claim 7, characterized in that the water cooling device (4) further comprises a base (42), the base (42) is fixedly connected with the shell, and a through hole is arranged at one end of the water cooling device (4) close to the base (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449307.2U CN218583120U (en) | 2022-09-15 | 2022-09-15 | Energy storage type electric heating steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449307.2U CN218583120U (en) | 2022-09-15 | 2022-09-15 | Energy storage type electric heating steam generator |
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| Publication Number | Publication Date |
|---|---|
| CN218583120U true CN218583120U (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449307.2U Active CN218583120U (en) | 2022-09-15 | 2022-09-15 | Energy storage type electric heating steam generator |
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| CN (1) | CN218583120U (en) |
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- 2022-09-15 CN CN202222449307.2U patent/CN218583120U/en active Active
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