Electro-thermal conversion cross-season heat storage system based on calcium hydroxide-calcium oxide electromagnetic kiln

Abstract

The utility model discloses an electricity-heat conversion cross-season heat storage system based on a calcium hydroxide-calcium oxide electromagnetic kiln, which realizes conversion of electric energy into heat energy at a high conversion rate and realizes cross-season heat storage. Comprising a rotating cylinder body (106) of the induction cooker, and a discharging cover body (112) is in butt joint with a tail port of the rotating cylinder body (106); a steam leading-out port (115) is formed in the top end face of the discharging cover body (112), a heat storage water tank (118) is arranged on the outer side of the discharging cover body (112), heat storage water (120) is arranged in the heat storage water tank (118), a steam leading-out pipe (116) is connected to the steam leading-out port (115), a steam induced draft fan (117) is connected to the steam leading-out pipe (116), an induced draft fan output pipe (119) is connected to an output port of the steam induced draft fan (117), and the induced draft fan output pipe (119) is connected to an output port of the induced draft fan output pipe (119). And the other end of the induced draft fan output pipe (119) is arranged in the heat storage water (120).

Description

TECHNICAL FIELD

[0001] The utility model relates to a limestone calcined calcium oxide's electromagnetic kiln, especially through the method of electromagnetic heating, the high temperature cross season heat storage system of calcium oxide's electromagnetic kiln that calcium hydroxide is calcined into calcium oxide. BACKGROUND

[0002] Green power energy will replace the existing thermal power generation and become the main force of power energy, the instability of wind power and photovoltaic power and the peak and valley effect of power grid all need to use electric energy conversion energy storage technology to deal with, the existing power storage technology is seriously limited by the two factors of high cost and large power storage high risk, at present, thermal power unit deep peak regulation is through the mode of electric boiler water tank heat storage or molten salt heat storage, electric boiler water tank heat storage is high energy and low use, and there is the defect that energy use is unreasonable, and economic benefit is also poor, molten salt heat storage can produce steam, and energy use is more reasonable than electric boiler heat storage water tank, but there are defects of large investment and poor economic benefit, the above two heat storage modes of electric energy conversion into heat energy can only meet the mode of daily storage and daily consumption, and cross season long time energy storage cannot be realized, in recent years, the emerging heat storage technology is cross season heat storage technology, cross season heat storage is to store and release heat by using reversible thermochemical reaction, can store heat for a long time without loss, can store solar energy in summer for winter use, can improve the grade of heat energy, can be used for power grid peak regulation, and can be coupled with thermal power unit, for example, calcium hydroxide dehydration forms calcium oxide, and the reverse reaction can release heat, because the price of lime is low, the heat storage density is high, the heat storage density is 4-6 times of water heat storage, is 3-5 times of molten salt heat storage, the storage and release process does not produce three wastes, energy can be stored at normal temperature and pressure, safety performance is controllable, suitable for large-scale energy storage, but how to economically, scientifically and reasonably convert calcium hydroxide into calcium oxide to realize cross season heat storage is a problem faced by the site. SUMMARY

[0003] The utility model provides a kind of based on calcium hydroxide-calcium oxide electromagnetic kiln's electric heat conversion cross season heat storage system, realize the conversion of electric energy into heat energy with high conversion rate, and realize cross season heat storage.

[0004] The utility model is to solve the above technical problems by the following technical solutions:

[0005] The application discloses a kind of calcium hydroxide-calcium oxide electromagnetic kiln-based electric heat conversion cross-season heat storage system, including integral base, drive motor support is respectively arranged on integral base, the blocking and supporting wheel device of cylinder head, the blocking and supporting wheel device of cylinder tail, rotatable cylinder is movably arranged between the blocking and supporting wheel device of cylinder head and the blocking and supporting wheel device of cylinder tail, rotatable cylinder head outer side wall is provided with rotating drive gear, driving gear shaft support frame is provided on the integral base below rotating drive gear, driving gear is provided on driving gear shaft support frame, driving gear is engaged together with rotating drive gear, driving motor is provided on driving motor support, driving gear is connected on the output shaft of driving motor, electromagnetic heating cover is provided on the outer side of rotatable cylinder, feed chute is butt jointed on the head port of rotatable cylinder, calcium hydroxide is entered into rotatable cylinder through feed chute, discharge cover body is butt jointed on the tail port of rotatable cylinder, discharge port is provided on the lower end of discharge cover body, and generated calcium oxide is discharged through discharge port;Steam outlet is provided on the top end face of discharge cover body, heat storage water tank is provided on the outer side of discharge cover body, heat storage water is provided in heat storage water tank, steam outlet pipe is connected on steam outlet, steam exhaust fan is connected on steam outlet pipe, and fan output pipe is connected on the output port of steam exhaust fan, and the other end of fan output pipe is arranged in heat storage water.

[0006] The temperature in rotatable cylinder is 480-600 DEG C, and the temperature of heat storage water is 40-90 DEG C;The water content of generated calcium oxide is less than 1%, and the purity of generated calcium oxide is greater than 90%.

[0007] Integral base is arranged between head liftable support and tail liftable support, and rotatable cylinder is in the posture of head high and tail low.

[0008] The application has the advantages of large heat storage density, long heat storage time, no heat loss and the like, and has great development potential, broad application prospect and the like in the application of cross-season heat storage, solar heat storage, wind power, photovoltaic power generation and power plant peak shaving heat storage in the future. ACCURACY OF DRAWINGS

[0009] Figure 1 It is the structure schematic view of the application in the main direction of view;

[0010] Figure 2 It is the structure schematic view of the application in the direction of view;

[0011] Figure 3 It is the structure schematic view of the application in the direction of view. DETAILED DESCRIPTION

[0012] The application will be described in detail below in combination with the drawings:

[0013] The application discloses a kind of based on calcium hydroxide-calcium oxide electromagnetic kiln electric heat conversion cross-season heat storage system, including integral base 103, drive motor support 124 is respectively arranged on integral base 103, the blocking and supporting wheel device 104 of cylinder head, the blocking and supporting wheel device 105 of cylinder tail, rotatable cylinder 106 is movably arranged between the blocking and supporting wheel device 104 of cylinder head and the blocking and supporting wheel device 105 of cylinder tail, the blocking and supporting wheel device 104 of cylinder head and the blocking and supporting wheel device 105 of cylinder tail are rotatable cylinder 106 movably erected, rotatable cylinder 106 is rotated between two blocking and supporting wheel devices, to realize calcium hydroxide electromagnetic heating in rotatable cylinder 106, rotatable drive gear ring 107 is provided on the head outside wall of rotatable cylinder 106, drive gear shaft support frame 109 is provided on integral base 103 below rotatable drive gear ring 107, drive gear 108 is provided on drive gear shaft support frame 109, drive gear 108 is engaged with rotatable drive gear ring 107, drive motor 110 is provided on drive motor support 124, drive gear 108 is connected on the output shaft of drive motor 110, drive motor 110 rotates by driving drive gear 108, drive gear 108 is rotated by being engaged with rotatable drive gear ring 107, and realizes the rotation of rotatable cylinder 106, electromagnetic heating cover 121 is provided on the outside of rotatable cylinder 106, feed chute 111 is docked on the head port of rotatable cylinder 106, calcium hydroxide enters rotatable cylinder 106 through feed chute 111, discharge cover body 112 is docked on the tail port of rotatable cylinder 106, discharge port 113 is provided on the lower end of discharge bin cover body 112, and the generated calcium oxide is discharged through discharge port 113, the calcium hydroxide entering rotatable cylinder 106 through feed chute 111 is constantly rotated to the tail, electromagnetic heating cover 121 radiates electromagnetic energy to calcium hydroxide in cylinder, and calcium hydroxide is decomposed into calcium oxide and water by heating, so that electric energy is converted into heat storage of calcium oxide, and at the same time, water generated at high temperature becomes water vapor;Steam outlet 115 is provided on the top end surface of discharge bin cover body 112, heat storage water tank 118 is provided on the outside of discharge bin cover body 112, heat storage water 120 is provided in heat storage water tank 118, steam extraction pipe 116 is connected to steam outlet 115, steam extraction fan 117 is connected to steam extraction pipe 116, and fan output pipe 119 is connected to the output port of steam extraction fan 117, the other end of fan output pipe 119 is arranged in heat storage water 120, so that another part of electric energy is first converted into steam heat energy, and then the steam heat energy is converted into heat storage water 120, and heat storage water 120 is heated;Electric energy is converted into the heat energy of calcium oxide and heat storage water.

[0014] The temperature in the rotating cylinder 106 is 480-600℃, and the temperature of the heat storage water 120 is 40-90℃; the water content of the generated calcium oxide is less than 1%, and the purity of the generated calcium oxide is greater than 90%; the calcium hydroxide from the feed chute 111 enters the head of the rotating cylinder 106, rotates and moves to the tail of the rotating cylinder 106, and under the heating of the strong electromagnetic field provided by the electromagnetic heating cover 121, decomposes to generate calcium oxide and water, completes the conversion of most of the electric energy into heat energy, and then converts into chemical energy stored in calcium oxide, and the generated water is converted into steam at high temperature, in the form of steam heat energy, that is, the electric energy is converted into calcium oxide storage heat energy and water vapor heat energy; and then the generated steam heat energy is introduced out and stored in the heat storage water 120, so as to realize the conversion of electric energy into heat energy.

[0015] The overall base 103 is arranged between the head liftable support 101 and the tail liftable support 102, and by adjusting the head liftable support 101 and the tail liftable support 102, the adjustment of the posture of the overall base 103 with the head higher and the tail lower is realized, so that the calcium hydroxide in the rotating cylinder 106 is transported from the head to the tail while rotating; the stand 114 is connected to the discharge bin cover 112, and the lower end of the stand 114 is fixed to the overall base 103; the feed bin cover 125 is movably connected to the head port of the rotating cylinder 106, and the feed chute 111 is arranged on the upper port of the feed bin cover 125; since the rotating cylinder 106 is in a rotating state, and the feed bin cover 125 and the discharge bin cover 112 are in a relatively static state, to realize the sealing between the static body and the rotating body, the cylinder head stainless steel scale cover 122 is arranged between the feed bin cover 125 and the head port of the rotating cylinder 106, and the cylinder tail stainless steel scale cover 123 is arranged between the discharge bin cover 112 and the tail port of the rotating cylinder 106, so as to realize the sealing of the head and the tail of the rotating rotating cylinder 106.

Claims

1. A calcium hydroxide-calcium oxide electromagnetic kiln-based electric heat conversion cross-season heat storage system, comprising a whole base (103), a driving motor support (124), a head cylinder blocking and supporting wheel device (104), and a tail cylinder blocking and supporting wheel device (105) are arranged on the whole base (103) respectively, a rotating cylinder (106) is movably arranged between the head cylinder blocking and supporting wheel device (104) and the tail cylinder blocking and supporting wheel device (105), a rotating driving gear ring (107) is arranged on the head outer side wall of the rotating cylinder (106), a driving gear shaft support frame (109) is arranged on the whole base (103) below the rotating driving gear ring (107), a driving gear (108) is arranged on the driving gear shaft support frame (109), the driving gear (108) is engaged with the rotating driving gear ring (107), a driving motor (110) is arranged on the driving motor support (124), the driving gear (108) is connected to the output shaft of the driving motor (110), an electromagnetic heating cover (121) is arranged on the outer side of the rotating cylinder (106), a feeding chute (111) is butted against the head port of the rotating cylinder (106), calcium hydroxide enters into the rotating cylinder (106) through the feeding chute (111), a discharging cover (112) is butted against the tail port of the rotating cylinder (106), a discharging port (113) is arranged on the lower end of the discharging cover (112), and the generated calcium oxide is discharged through the discharging port (113); characterized in that, The steam outlet (115) is arranged on the top end surface of the discharge cover (112), the heat storage water tank (118) is arranged outside the discharge cover (112), the heat storage water (120) is arranged in the heat storage water tank (118), the steam outlet pipe (116) is connected to the steam outlet (115), the steam fan (117) is connected to the steam outlet pipe (116), the fan outlet pipe (119) is connected to the output port of the steam fan (117), and the other end of the fan outlet pipe (119) is arranged in the heat storage water (120).

2. A hydrogen-oxide calcium-calcium oxide electromagnetic kiln-based electric heat conversion cross-season heat storage system according to claim 1, characterized in that, The temperature in the rotating cylinder (106) is 480-600 DEG C, the temperature of the heat storage water (120) is 40-90 DEG C, the water content of the generated calcium oxide is less than 1%, and the purity of the generated calcium oxide is greater than 90%.

3. A hydrogen-oxide calcium-calcium oxide electromagnetic kiln-based electrothermal conversion cross-season heat storage system according to claim 1 or 2, characterized in that, The overall base (103) is arranged between the head liftable support (101) and the tail liftable support (102), and the rotating cylinder (106) is in a posture of high head and low tail.

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