CN115899741A - Flue gas heating energy storage solid particle device - Google Patents
Flue gas heating energy storage solid particle device Download PDFInfo
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- CN115899741A CN115899741A CN202211435423.7A CN202211435423A CN115899741A CN 115899741 A CN115899741 A CN 115899741A CN 202211435423 A CN202211435423 A CN 202211435423A CN 115899741 A CN115899741 A CN 115899741A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a device for heating energy storage solid particles by flue gas, which comprises: feed hopper, heating element, play hopper that feed through in proper order, heating element is used for heating microthermal solid particle, and heating element can utilize the heat heating microthermal solid particle of the high temperature flue gas that the boiler produced, becomes the solid particle of high temperature behind the microthermal solid particle absorption high temperature flue gas heat, and the solid particle of high temperature can be used for external heat supply, realizes the utilization of the waste heat resource of the high temperature flue gas that the boiler produced.
Description
Technical Field
The invention belongs to the technical field of solid particle energy storage equipment, and particularly relates to a device for heating energy storage solid particles by using flue gas.
Background
In recent years, china's government has paid great attention to the development of low-carbon, environment-friendly and environment-friendly economy, and the requirements on energy conservation, internal consumption reduction, energy shortage, greenhouse effect alleviation, environmental deterioration and the like are met while the economic development is guaranteed. Under the background, energy conservation and environmental protection become important contents for future development.
The waste heat resources of China generally exist, and particularly in the production process of the industries such as thermal power generation, steel, chemical industry, petroleum, building materials, light industry, food and the like, the waste heat resources are rich, so that the full utilization of the waste heat resources is one of the main contents of energy conservation of enterprises. The potential of waste heat utilization is very large, and the waste heat utilization occupies an important position in energy conservation at present.
In a thermal power plant, high-temperature flue gas generated by a boiler is often discharged after being purified, and waste heat of the high-temperature flue gas is not utilized, so that waste heat resources are wasted. How to utilize the waste heat resource of the high-temperature flue gas generated by the boiler is an urgent problem to be solved.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for heating energy storage solid particles by using flue gas, the device for heating energy storage solid particles by using flue gas can heat low-temperature solid particles by using heat of high-temperature flue gas generated by a boiler, the low-temperature solid particles absorb the heat of the high-temperature flue gas and then become high-temperature solid particles, and the high-temperature solid particles can be used for supplying heat to the outside so as to realize utilization of waste heat resources of the high-temperature flue gas generated by the boiler.
In order to solve the technical problems, the invention adopts the technical scheme that:
a flue gas heating energy storage solid particle device comprises: the heating device comprises a feed hopper, a heating unit and a discharge hopper which are sequentially communicated, wherein an outlet below the feed hopper is communicated with an inlet above the heating unit, the heating unit is used for heating low-temperature solid particles to enable the low-temperature solid particles to be changed into high-temperature solid particles after absorbing heat, and an outlet below the heating unit is communicated with an inlet above the discharge hopper;
wherein the heating unit includes:
an inlet of the heating pipeline is communicated with an outlet below the feed hopper, and an outlet of the heating pipeline is communicated with an inlet above the discharge hopper;
flue gas passageway, the heated tube set up in the flue gas passageway, flue gas passageway lets in high temperature flue gas and is used for the heating microthermal solid particle in the heated tube.
Furthermore, the flue gas channel comprises a flue gas inlet, an ascending channel and a flue gas outlet which are communicated in sequence.
Further, the cross-section of the export of the below of feeder hopper is the rectangle, heating pipeline's cross-section is the rectangle, and is a plurality of heating pipeline sets up parallel interval in proper order, and is a plurality of heating pipeline all with the export intercommunication of the below of feeder hopper.
Further, a gap between two adjacent heating pipelines is the ascending channel and is used for flowing high-temperature flue gas.
Furthermore, the heating device also comprises an outer protection heat-insulation layer, wherein the outer protection heat-insulation layer is arranged on the outer side of all the heating pipelines.
In some optional embodiments, the flue gas separator further comprises an upper flue gas separator and a lower flue gas separator;
the upper flue gas baffle plate blocks gaps between inlets of the heating pipelines and outlets below the feed hoppers;
the lower flue gas baffle blocks gaps between a plurality of outlets of the heating pipelines and inlets above the discharge hopper.
In some alternative embodiments, the heat pipe further comprises ribs disposed between the heating pipes.
Further, the method also comprises the following steps:
the inlet guide plate is obliquely arranged in the position of the ascending channel opposite to the flue gas inlet and is used for guiding the high-temperature flue gas to flow upwards;
and the outlet guide plate is obliquely arranged in the position of the ascending channel opposite to the smoke outlet and is used for guiding the high-temperature smoke to flow to the smoke outlet.
In some optional embodiments, the feed hopper is a sealed chamber enclosed by a housing, and a feed inlet and an exhaust outlet are arranged above the feed hopper.
In some optional embodiments, a discharge temperature detector is disposed in the discharge hopper, and is configured to detect a temperature of the high-temperature solid particles in the discharge hopper.
In some optional embodiments, the outlet below the discharge hopper is provided with an outlet regulating valve for controlling the flow rate of the solid particles at high temperature at the outlet below the discharge hopper.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
The invention provides a device for heating energy storage solid particles by using flue gas, which can heat low-temperature solid particles by using the heat of high-temperature flue gas generated by a boiler, wherein the low-temperature solid particles absorb the heat of the high-temperature flue gas and then are changed into high-temperature solid particles, and the high-temperature solid particles can be used for supplying heat to the outside, so that the utilization of waste heat resources of the high-temperature flue gas generated by the boiler is realized.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention to the proper form disclosed herein. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a flue gas heating energy storage solid particle device provided by the invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view taken along the line A-A of FIG. 1 according to the present invention.
In the figure: 1. an exhaust port; 2. a feed inlet; 3. a feed hopper; 4. a discharge hopper; 5. an outlet regulating valve; 6. a flue gas inlet; 7. a rising channel; 8. a flue gas outlet; 9. heating the pipeline; 10. an inlet baffle; 11. an outlet baffle; 12. an outer protecting and insulating layer; 13. a flue gas baffle is arranged; 14. a lower flue gas baffle plate; 15. a rib plate.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it for those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2, the present invention provides an apparatus for heating energy storage solid particles by using flue gas, comprising: the heating device comprises a feed hopper 3, a heating unit and a discharge hopper 4 which are sequentially communicated, wherein an outlet below the feed hopper 3 is communicated with an inlet above the heating unit, the heating unit is used for heating low-temperature solid particles to enable the low-temperature solid particles to be high-temperature solid particles after absorbing heat, and an outlet below the heating unit is communicated with an inlet above the discharge hopper 4;
wherein, the heating unit includes:
an inlet of the heating pipeline 9 is communicated with an outlet below the feed hopper 3, and an outlet of the heating pipeline 9 is communicated with an inlet above the discharge hopper 4;
flue gas passageway, heating pipeline 9 set up in flue gas passageway, and flue gas passageway lets in high temperature flue gas and is used for heating the microthermal solid particle in the heating pipeline 9.
Specifically, the method comprises the following steps:
waiting to heat in feeder hopper 3 for microthermal solid particle deposit, the import intercommunication of the export of feeder hopper 3 below and heating unit's top because feeder hopper 3 sets up in the heating unit top, microthermal solid particle accessible receives the influence of gravity, follows the export of feeder hopper 3 below by oneself, and the import of the top of passing through heating unit gets into the heating unit again, and the heating unit is used for heating microthermal solid particle, becomes the solid particle of high temperature after microthermal solid particle absorbs heat.
Further, the heating unit includes heating pipeline 9 and flue gas passageway, and the export intercommunication of the import of heating pipeline 9 and feeder hopper 3 below, microthermal solid particle accessible receive the influence of gravity, and the export of 3 below of feeder hopper is followed by oneself, and the import through heating pipeline 9 gets into heating pipeline 9. The heating pipeline 9 is arranged in the flue gas channel, and the flue gas channel is filled with high-temperature flue gas for heating low-temperature solid particles in the heating pipeline 9. The solid particles having a low temperature absorb heat in the heating pipe 9 and then become solid particles having a high temperature.
The export of heating pipeline 9 and the import intercommunication of the top of hopper 4 go out, because heating pipeline 9 sets up in the top of hopper 4, microthermal solid particle becomes the solid particle accessible of high temperature after the heat absorption in heating pipeline 9 and receives the influence of gravity, passes through the export of heating pipeline 9 by oneself, and the import of the top of hopper 4 again gets into out hopper 4. The discharge hopper 4 is used for containing high-temperature solid particles.
The invention provides a device for heating energy storage solid particles by using flue gas, which can heat low-temperature solid particles by using heat of high-temperature flue gas generated by a boiler, wherein the low-temperature solid particles absorb the heat of the high-temperature flue gas and then become high-temperature solid particles, and the high-temperature solid particles can be used for supplying heat to the outside, so that the utilization of waste heat resources of the high-temperature flue gas generated by the boiler is realized.
Further, an outlet regulating valve 5 is arranged at an outlet below the discharge hopper 4, and the outlet regulating valve 5 is used for controlling the flow rate of the solid particles with high temperature at the outlet below the discharge hopper 4.
The aperture of the outlet adjusting valve 5 is adjustable, and the flow of solid particles in the energy storage solid particle device heated by the flue gas can be controlled by controlling the aperture of the outlet adjusting valve 5, so that the heating time of the low-temperature solid particles in the heating pipeline 9 can be controlled, and the temperature of the high-temperature solid particles changed from the low-temperature solid particles can be controlled.
Further, the flue gas channel comprises a flue gas inlet 6, an ascending channel 7 and a flue gas outlet 8 which are communicated in sequence.
High-temperature flue gas that thermal power factory boiler produced passes through gas inlet 6, gets into the flue gas passageway, passes through 8 exhaustss of exhanst gas outlet again. The heating pipeline 9 is arranged in the ascending channel 7, and the heat of the high-temperature flue gas is transferred to the low-temperature solid particles in the heating pipeline 9 through the heating pipeline 9. The solid particles having a low temperature absorb heat in the heating pipe 9 and then become solid particles having a high temperature.
The temperature of the high-temperature flue gas generated by the boiler of the thermal power plant is between 1000 and 2000 ℃, and the temperature of the low-temperature solid particles is normal temperature, generally room temperature. The high temperature solid particles have a temperature of between 800 and 1200 degrees celsius.
Further, the cross-section of the export of the below of feeder hopper 3 is the rectangle, and the cross-section of heating pipeline 9 is the rectangle, and a plurality of heating pipeline 9 parallel interval in proper order set up, and a plurality of heating pipeline 9 all communicate with the export of the below of feeder hopper 3.
The export of the microthermal solid particle in the feeder hopper 3 below from feeder hopper 3 evenly gets into each heating tube 9, receives the influence of gravity to flow from top to bottom in proper order in heating tube 9, and the clearance between two adjacent heating tube 9 is ascending channel 7 for the high temperature flue gas flows, makes the microthermal solid particle in each heating tube 9 can be even absorbs the heat of high temperature flue gas, becomes the solid particle of high temperature, and microthermal solid particle is heated evenly in heating tube 9.
The flue gas inlet 6 is arranged at the opposite lower side of the flue gas outlet 8, and the lower end and the upper end of the ascending channel 7 formed by the gap between the heating pipelines 9 are respectively communicated with the flue gas inlet 6 and the flue gas outlet 8.
Alternatively, the width of the heating pipeline 9 can be reduced, and the number of the heating pipelines 9 can be increased, so that the low-temperature solid particles are heated more uniformly.
Further, the device also comprises an outer protection heat insulation layer 12, wherein the outer protection heat insulation layer 12 is arranged on the outer side of all the heating pipelines 9 and used for protecting and insulating the areas formed by the heating pipelines 9 and the ascending channel 7. The outer protective heat-insulating layer 12 can protect and insulate the plurality of heating pipelines 9. The outer insulating layer 12 may be made of an insulating material.
Further, an upper flue gas baffle plate 13 and a lower flue gas baffle plate 14 are also included;
the upper flue gas baffle 13 blocks the gap between the inlets of the plurality of heating pipelines 9 and the outlet below the feed hopper 3;
the lower flue gas baffle 14 blocks the gap between the outlets of the plurality of heating pipes 9 and the inlet above the discharge hopper 4.
The upper flue gas partition plate 13 can block gaps between inlets of the plurality of heating pipelines 9 and outlets below the feed hopper 3, so that high-temperature flue gas is prevented from entering the feed hopper 3, and the upper ends of the plurality of heating pipelines 9 can be fixed.
The lower flue gas partition 14 can block the gap between the outlets of the plurality of heating pipelines 9 and the inlet above the discharge hopper 4. Prevent that high temperature flue gas from getting into out hopper 4, can also fix a plurality of heating tube 9 lower extremes.
In some alternative embodiments, as shown in fig. 1 to 2, the present invention provides a flue gas heating energy storage solid particle device, which includes ribs 15, and the ribs 15 are disposed between the heating pipes 9. Alternatively, a plurality of ribs 15 may be included, and a plurality of ribs may be arranged between two adjacent heating pipelines 9 at intervals from top to bottom; of course, in some embodiments, a plurality of ribs 15 are sequentially connected between two adjacent heating pipelines 9 at intervals on a horizontal plane.
The plurality of ribs 15 can connect and fix the plurality of heating pipelines 9, maintain the position relation among the heating pipelines 9, prevent the heating pipelines 9 from being deformed by heat, and provide support for the heating pipelines 9. To prevent affecting the circulation of the flue gas, the number of ribs 15 is reduced or no ribs 15 are provided between the heating ducts 9 close to the flue gas inlet 6 or the flue gas outlet 8.
Further, the present invention provides a device for heating energy storage solid particles by using flue gas, which further comprises:
and an inlet guide plate 10 is obliquely arranged in the position of the ascending channel 7 opposite to the flue gas inlet 6 and is used for guiding the high-temperature flue gas to flow upwards.
And the outlet guide plate 11 is obliquely arranged in the position of the ascending channel 7 opposite to the flue gas outlet 8 and is used for guiding the high-temperature flue gas to flow towards the flue gas outlet 8.
Specifically, inlet guide plate 10 sets up in ascending passageway 7, and inlet guide plate 10's upper end and the inner wall connection of outer protection heat preservation 12, inlet guide plate 10's lower extreme and lower flue gas baffle 14 are connected, and heating pipeline 9 passes inlet guide plate 10, and heating pipeline 9's outer wall and inlet guide plate 10 sealing connection. The inlet guide plate 10 is used for guiding the high-temperature flue gas to flow upwards.
In some alternative embodiments, as shown in fig. 1 to 2, the present invention provides a flue gas heating energy storage solid particle device, a feed hopper 3 of the flue gas heating energy storage solid particle device is a sealed chamber enclosed by a shell, and a feed inlet 2 and an exhaust outlet 1 are arranged above the feed hopper 3.
Specifically, a feed inlet 2 and an exhaust port 1 are arranged above the feed hopper 3.
An air outlet 1 is arranged above the feed hopper 3, the solid particles can be thermochemical solid particles, and when the thermochemical solid particles are heated from low temperature to high temperature, gas with the oxygen concentration of 90% can be released. Because feeder hopper 3 is the sealed cavity that is enclosed by the casing, and gas can extend to outdoors through gas vent 1 connecting tube, discharges the gas that oxygen concentration is 90% in the air, can prevent that oxygen from taking place the incident at indoor concentration is too high, because the thermochemical solid particle is heated the gas that becomes the harmful environment of the gas that releases when high temperature from low temperature, discharges in the air, does not influence the environment.
Further, the invention provides a device for heating energy storage solid particles by using flue gas, which further comprises:
an oxygen storage tank for storing oxygen;
and the inlet of the air pump is communicated with the exhaust port 1, and the outlet of the air pump is communicated with the inlet of the oxygen storage tank.
Because thermochemistry solid particle is when being heated from low temperature to high temperature, can release the gas that oxygen concentration is 90%, this gas can regard as industrial oxygen, and the import of air-bleed pump communicates with gas vent 1, and the export of air-bleed pump communicates with the import of oxygen holding vessel. The during operation of air pump can be with gas extraction in feeder hopper 3, and gas gets into the oxygen storage tank through gas vent 1, the import of air pump, the export of air pump, the import of oxygen storage tank in proper order. When the oxygen storage tank is full of oxygen, can be through the oxygen jar transport vechicle that removes, carry gas transportation to the place that needs industrial oxygen and supply oxygen, also can be connected to the thermal power generation boiler through pipeline, carry out the oxygen boosting burning oxygen suppliment.
It is noted that the types of solid particles provided by the present invention include inert solid particles and thermochemical solid particles.
Particles in which thermal energy is stored only in the form of sensible heat are called inert solid particles, and the thermal energy is converted into the heat energy of the inert solid particles for storage. The inert solid particles can be ceramic particles, alumina particles, silicon carbide particles, quartz sand, desert sand, river sand, ceramsite sand, black copper slag and the like.
Particles that store thermal energy in sensible and chemical forms are referred to as thermochemical solid particles. The thermal energy is converted into the thermal energy and chemical energy of the thermochemical solid particles for storage. The thermochemical solid particles can perform reversible reaction within a certain temperature range so as to absorb or release heat energy, has the advantages of high energy storage density, good circulation stability and the like, and is favorable for maintaining the relatively constant temperature of a heated area so as to protect system equipment.
The thermochemical solid particles can be metal oxide particles, the main reactant is a metal oxide material or metal carbonate particles, the main reactant is a metal carbonate material or metal sulfate particles, the main reactant is a metal sulfate material or metal hydroxide particles, the main reactant is a metal hydroxide material or perovskite particles, and the main reactant is a perovskite material.
Specifically, the metal oxide particles may be pure metal oxide particles, or composite metal oxide particles.
Wherein the pure metal oxide particles can be cobalt oxide particles, copper oxide particles, manganese oxide particles and the like.
The composite metal oxide particles can be iron-manganese composite oxide particles, copper-aluminum composite oxide particles, copper-manganese composite oxide particles and the like.
It should be noted that the inert solid particles and the thermochemical solid particles may be used singly or in combination of at least two of them to obtain the optimum heat absorption effect.
In some alternative embodiments, as shown in fig. 1 to fig. 2, the present invention provides a flue gas heating energy storage solid particle device, a discharge temperature detector is disposed in a discharge hopper 4 of the flue gas heating energy storage solid particle device, and is used for detecting the temperature of a high-temperature solid particle in the hopper 4.
A discharge temperature detector is arranged in the discharge hopper 4, so that the temperature of the high-temperature solid particles can be checked conveniently. Thereby adjusting the opening of the outlet regulating valve 5. Optionally, the outlet regulating valve 5 may be an electromagnetic valve, and the opening degree is adjustable.
Through the aperture or the rotational speed of control export governing valve 5, can control the flow of solid particle in the flue gas heating energy storage solid particle device to can control the time of being heated of microthermal solid particle in heated tube 9, and then control microthermal solid particle becomes the temperature of the solid particle of high temperature.
In the following, an embodiment is described, as shown in fig. 1 and fig. 2, the solid particles are thermochemical solid particles, the low temperature thermochemical solid particles enter the feed hopper 3 through the feed inlet 2, and the low temperature thermochemical solid particles are stored in the feed hopper 3 to wait for heating. The cross-section of the export of the below of feeder hopper 3 is the rectangle, and the cross-section of heating pipeline 9 is the rectangle, and a plurality of heating pipeline 9 are parallel interval in proper order and set up, and a plurality of heating pipeline 9 all communicate with the export of the below of feeder hopper 3.
The export of microthermal thermochemical solid particle in the feeder hopper 3 from feeder hopper 3 below evenly gets into each heating tube 9, receives the influence of gravity to flow from top to bottom in proper order in heating tube 9, and the clearance between two adjacent heating tubes 9 is ascending passageway 7 for the high temperature flue gas flows.
High temperature flue gas that thermal power factory boiler produced passes through gas inlet 6, leads high temperature flue gas upflow through import guide plate 10 and gets into the passageway that rises, leads high temperature flue gas to 8 flows of exhanst gas outlet through export guide plate 11 again, discharges through exhanst gas outlet 8 again. The high temperature flue gas temperature that thermal power factory boiler produced is 1000 to 2000 degrees centigrade between, and heating pipeline 9 sets up in rising passageway 7, and the heat of high temperature flue gas is given the microthermal thermochemical solid particle in heating pipeline 9 through heating pipeline 9. The thermochemical solid particles having a low temperature absorb heat in the heating pipe 9 and then become thermochemical solid particles having a high temperature. The low temperature thermochemical solid particles are at room temperature, typically room temperature. The high temperature thermochemical solid particle temperature is between 800 and 1200 degrees celsius.
Because thermochemistry solid particle is when being heated from low temperature to high temperature, can release the gas that oxygen concentration is 90%, this gas can regard as industrial oxygen, and the import of air-bleed pump communicates with gas vent 1, and the export of air-bleed pump communicates with the import of oxygen holding vessel. The during operation of air pump can be with gas extraction in feeder hopper 3, and gas gets into the oxygen storage tank through gas vent 1, the import of air pump, the export of air pump, the import of oxygen storage tank in proper order. When the oxygen storage tank is full of oxygen, can be through the oxygen jar transport vechicle that removes, carry gas transportation to the place that needs industrial oxygen and supply oxygen, also can be connected to the thermal power generation boiler through pipeline, carry out the oxygen boosting burning oxygen suppliment.
Optionally, gas can extend to outdoors through gas vent 1 connecting line, discharges the gas that oxygen concentration is 90% to the air in, can prevent that oxygen from taking place the incident at indoor concentration too high, because the thermochemical solid particle is heated from low temperature and is become the gas of the harmless environment of the gas of release when high temperature, discharges in the air, does not influence the environment.
The export of heating pipeline 9 and the import intercommunication of the top of hopper 4 go out, because heating pipeline 9 sets up in the top of hopper 4, microthermal thermochemical solid particle becomes the thermochemical solid particle accessible of high temperature after absorbing heat in heating pipeline 9 and receives the influence of gravity, passes through the export of heating pipeline 9 by oneself, and the import of the top of hopper 4 again gets into out hopper 4. The discharge hopper 4 is used for containing high-temperature thermochemical solid particles.
An outlet of the lower part of the discharge hopper 4 is provided with an outlet regulating valve 5, and the outlet regulating valve 5 is used for controlling the flow of the thermochemical solid particles with high temperature at the outlet of the lower part of the discharge hopper 4. The aperture of outlet regulating valve 5 is adjustable, and through the aperture of control outlet regulating valve 5, can control the flow of thermochemical solid particles in the flue gas heating energy storage solid particle device to can control the time of being heated of microthermal thermochemical solid particles in heated tube 9, and then control microthermal thermochemical solid particles and become the temperature of the thermochemical solid particles of high temperature.
Optionally, the outlet regulating valve 5 may be an electromagnetic valve, and the opening degree is adjustable.
Be provided with ejection of compact thermodetector in going out hopper 4, be convenient for look over the temperature of high temperature thermochemistry solid particle. The control unit is respectively in communication control connection with the outlet regulating valve 5, the air extracting pump and the discharging temperature detector.
The control unit can control the opening degree of the outlet adjusting valve 5 according to the temperature data detected by the discharge temperature detector, and adjust the heating time of the thermochemical solid particles, thereby controlling the heating temperature of the thermochemical solid particles. The control unit can be a computer, or a mobile phone, or a PLC programmable controller.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a flue gas heating energy storage solid particle device which characterized in that: the method comprises the following steps: the heating device comprises a feed hopper, a heating unit and a discharge hopper which are sequentially communicated, wherein an outlet below the feed hopper is communicated with an inlet above the heating unit, the heating unit is used for heating low-temperature solid particles to enable the low-temperature solid particles to be changed into high-temperature solid particles after absorbing heat, and an outlet below the heating unit is communicated with an inlet above the discharge hopper;
wherein the heating unit includes:
an inlet of the heating pipeline is communicated with an outlet below the feed hopper, and an outlet of the heating pipeline is communicated with an inlet above the discharge hopper;
flue gas passageway, the heated tube set up in the flue gas passageway, flue gas passageway lets in high temperature flue gas and is used for the heating microthermal solid particle in the heated tube.
2. The device for heating energy storage solid particles by using flue gas as claimed in claim 1, wherein: the flue gas channel comprises a flue gas inlet, an ascending channel and a flue gas outlet which are sequentially communicated.
3. The device for heating energy storage solid particles by using flue gas as claimed in claim 2, wherein: the cross-section of the export of the below of feeder hopper is the rectangle, heating pipeline's cross-section is the rectangle, and is a plurality of heating pipeline sets up parallel interval in proper order, and is a plurality of heating pipeline all with the export intercommunication of the below of feeder hopper.
4. The apparatus for heating energy storage solid particles by using flue gas as claimed in claim 3, wherein: and a gap between every two adjacent heating pipelines is the ascending channel and is used for flowing high-temperature flue gas.
5. The device for heating energy storage solid particles by using flue gas as claimed in claim 4, wherein: still include outer protection heat preservation, outer protection heat preservation sets up all the heating pipeline outside.
6. The apparatus for heating energy-storing solid particles by using flue gas as claimed in any one of claims 1 to 5, wherein: the flue gas separator also comprises an upper flue gas separator and a lower flue gas separator;
the upper flue gas baffle plate blocks gaps between inlets of the heating pipelines and outlets below the feed hoppers;
the lower flue gas baffle blocks gaps between a plurality of outlets of the heating pipelines and inlets above the discharge hopper.
7. The apparatus for heating energy storage solid particles by using flue gas as claimed in claim 3, wherein: the heating device further comprises a ribbed plate, and the ribbed plate is arranged between the heating pipelines.
8. The apparatus for heating energy storage solid particles by using flue gas as claimed in claim 7, wherein: further comprising:
the inlet guide plate is obliquely arranged in the position of the ascending channel opposite to the flue gas inlet and is used for guiding the high-temperature flue gas to flow upwards;
and the outlet guide plate is obliquely arranged in the position of the ascending channel opposite to the smoke outlet and is used for guiding the high-temperature smoke to flow to the smoke outlet.
9. The device for heating energy storage solid particles by using flue gas as claimed in claim 1, wherein: the feeder hopper is the sealed cavity that is enclosed by the casing, the feeder hopper top is provided with feed inlet and gas vent.
10. The device for heating energy storage solid particles by using flue gas as claimed in claim 1, wherein: an outlet regulating valve is arranged at an outlet below the discharge hopper and used for controlling the flow of the solid particles with high temperature at the outlet below the discharge hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211435423.7A CN115899741A (en) | 2022-11-16 | 2022-11-16 | Flue gas heating energy storage solid particle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211435423.7A CN115899741A (en) | 2022-11-16 | 2022-11-16 | Flue gas heating energy storage solid particle device |
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| Publication Number | Publication Date |
|---|---|
| CN115899741A true CN115899741A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211435423.7A Pending CN115899741A (en) | 2022-11-16 | 2022-11-16 | Flue gas heating energy storage solid particle device |
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| Country | Link |
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| CN (1) | CN115899741A (en) |
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2022
- 2022-11-16 CN CN202211435423.7A patent/CN115899741A/en active Pending
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