CN208983647U

CN208983647U - A kind of fountain packed bed heat reservoir

Info

Publication number: CN208983647U
Application number: CN201821436882.6U
Authority: CN
Inventors: 谢宁宁; 王亮; 陈海生; 林曦鹏; 林霖; 于东
Original assignee: Institute of Engineering Thermophysics of CAS
Current assignee: Institute of Engineering Thermophysics of CAS
Priority date: 2018-09-03
Filing date: 2018-09-03
Publication date: 2019-06-14
Anticipated expiration: 2028-09-03

Abstract

The utility model discloses a kind of fountain packed bed heat reservoirs, the field of thermal energy storage for high temperature.This system is mainly made of components such as fountain packed bed regenerative apparatus, fluid reservoir, heat exchanger, heat source feed end, heat source user terminal, condenser, liquid collecting tanks.The system is in the heat accumulation stage, and by liquid heat transfer medium, the thermal energy storage that heat source feed end is provided is in the solid heat storage medium in packed bed；With the hot stage, the thermal energy in solid material is released and to generate electricity or heat.The fountain packed bed heat reservoir of the utility model has many advantages, such as heat storage efficiency height, heat quality height, Applicable temperature field width, at low cost, safe operation, especially suitable in high temperature solar energy thermal-power-generating and industrial high temperature field of waste heat utilization, it simultaneously can also be with extensive physics energy storage, if compressed-air energy-storage system carries out the complementation of using energy source step, the utilization efficiency of the energy is improved.

Description

A kind of fountain packed bed heat reservoir

Technical field

The utility model relates to a kind of heat reservoir more particularly to a kind of fountain packed bed heat reservoir and its operation sides Method, the field of thermal energy storage for high temperature.The system is mentioned heat source feed end by liquid heat transfer medium in the heat accumulation stage The thermal energy storage of confession is in the solid heat storage medium in packed bed；With the hot stage, the thermal energy in solid material is released And to generate electricity or heat.The fountain packed bed heat reservoir of the utility model has heat storage efficiency height, heat quality high, suitable The advantages that with temperature field width, at low cost, safe operation, especially suitable for high temperature solar energy thermal-power-generating and industrial high temperature waste heat benefit With in other equal high temperature accumulation of heat fields, while can also be with extensive physics energy storage, such as compressed-air energy-storage system carries out energy Source is complementary using step, improves the utilization efficiency of the energy.

Background technique

In face of energy crisis, the cleanings such as water energy, wind energy, biomass energy, solar energy are being actively developed in countries in the world can be again The research work of the raw energy.The high CO of production process energy consumption of solar panel in solar photovoltaic technology₂Discharge amount is big, power generation effect Low rate is the bottleneck problem for restricting technology development.And solar energy thermal-power-generating is that another in addition to photovoltaic power generation technology has very The solar energy generation technology for the potentiality that develop on a large scale, it is also the renewable energy power generation skill of the most economic competitiveness in addition to wind-powered electricity generation The solar radiant energy being collected into is changed into superheated steam through heat exchanger by art, solar thermal collector, with traditional power cycle It produces electricl energy, there is the advantages of technology maturation, cost of electricity-generating is low and is easy with fossil fuel formation hybrid power system.But A series of problems, such as unstability caused by as the discontinuity round the clock of solar energy and as cloudy overcast and rainy, to solar energy The steady output of heat generating system electric power produces very big influence.Therefore regenerative apparatus is set in solar heat power generation system It is one of most efficient method.

Solar heat-preservation can be divided into sensible heat accumulation of heat, latent-heat storage and chemical heat accumulation according to the difference of heat accumulation mechanism.Obviously it stores Thermal technology one kind the most mature in three of the above technology, but to obtain more economy, controllability and efficient storage Hot mode also faces great number of issues, influence regenerative apparatus factor mainly have it is following: 1) unit volume or unit mass The energy storage density of heat-storing material；2) heat-exchange capacity between heat transfer medium and heat storage medium；3) chemical property of heat-storing material； 4) number and invertibity of storage system circulation；5) compatibility between heat-conducting fluid and heat exchanger or heat storage medium；6) heat dissipation damage It loses.And the developing direction of solar heat-preservation system is low cost, high efficiency and long-time accumulation of heat.But existing heat-storage technology is each Aspect Shortcomings: fuse salt heat accumulation corrosivity is strong, easily solidifies；Superheated steam heat accumulation pressure is high, and required fluid reservoir cost is too high； Conduction oil heat accumulation cost is too high.

Utility model content

For the disadvantages mentioned above and deficiency of the prior art, the utility model proposes a kind of fountain packed bed heat reservoirs And its operation method, strong, at low cost, the high-efficient, safety coefficient with the heat-exchange capacity between heat transfer medium and heat storage medium High advantage is very suitable to the high temperatures heat reservoir such as solar heat power generation system and industrial high temperature UTILIZATION OF VESIDUAL HEAT IN.This is practical Novel fountain packed bed heat reservoir is mainly supplied by fountain packed bed regenerative apparatus, fluid reservoir, heat exchanger, pump, heat source The components such as Ying Duan, heat source user terminal, voltage-stabilizing system, regenerator, condenser, liquid collecting tank composition.It is a kind of by electric energy, thermal energy, heat The energy such as chemistry are stored in heat reservoir by way of directly or indirectly exchanging heat in the form of thermal energy when relatively sufficient In packed bed, wait when needed again release thermal energy is converted to electric energy or thermal energy directly to the heat reservoir of user.It should System is in the heat accumulation stage, and by liquid heat transfer medium, solid of the thermal energy storage that heat source feed end is provided in packed bed stores In thermal medium；With the hot stage, the thermal energy in solid material is released and to generate electricity or heat.The spray of the utility model Leaching formula packed bed heat reservoir has heat storage efficiency height, heat quality height, Applicable temperature field width, at low cost, safe operation etc. excellent Point, especially suitable in high temperature solar energy thermal-power-generating and industrial high temperature field of waste heat utilization, while can also be with extensive object Energy storage is managed, if compressed-air energy-storage system carries out the complementation of using energy source step, improves the utilization efficiency of the energy.

The utility model is that technical solution used by solving its technical problem is:

A kind of fountain packed bed heat reservoir, including fountain packed bed regenerative apparatus, low-temperature liquid storage tank, high temperature liquid storage Tank, heat exchanger, heat source feed end, heat source user terminal, condenser and liquid collecting tank, which is characterized in that

The entrance of the heat source feed end is equipped with the first control valve, and exit is equipped with the second control valve,

The outlet of the heat source feed end is connected to by a main line with the hot side import of the heat exchanger, the main line It is equipped with third control valve door,

The hot side outlet of the heat exchanger is connected to the first liquid-inlet of the low-temperature liquid storage tank, the heat exchanger it is cold Side is connected to the heat source user terminal,

The inlet communication of the liquid outlet of the low-temperature liquid storage tank and the heat source feed end,

The outlet of the heat source feed end also passes through at the top of bypass conduit and the fountain packed bed regenerative apparatus Inlet connection,

The leakage fluid dram classification two-way of the fountain packed bed regenerative apparatus bottom, all the way through one the 8th control valve and institute The second liquid inlet communication of low-temperature liquid storage tank is stated, another way connects through the import of one the 7th control valve and the high temperature fluid reservoir It is logical,

Inlet at the top of the fountain packed bed regenerative apparatus and it is equipped with control valve at the leakage fluid dram of bottom,

The outlet of the high temperature fluid reservoir is connected to the hot side import of the heat exchanger, and on connecting pipeline between the two Equipped with the 6th control valve,

It is additionally provided with a gas vent at the top of the low-temperature liquid storage tank, the gas vent is successively through one first relief valve, cold With the inlet communication of the liquid collecting tank after the hot side of condenser, the liquid collecting tank is equipped with the second relief valve, when the low temperature liquid storage After pressure rise to setting pressure in tank and/or liquid collecting tank, each relief valve is automatically turned on,

Exporting for the heat source feed end is additionally provided with a connecting pipe road between the outlet of the low-temperature liquid storage tank, and The connecting pipeline is equipped with the tenth control valve.

Preferably, the heat source feed end is solar energy heat collector, power plant's high-temperature flue gas or steel mill high-temperature flue gas etc. The device or system of liquid heat transfer medium can be heated.

Preferably, the liquid outlet of the low-temperature liquid storage tank is equipped with a cryogenic pump；The exit of the high temperature fluid reservoir Equipped with a high-temperature pump.

Preferably, the quantity of the fountain packed bed regenerative apparatus is two or more, and arrangement mode is simultaneously Connection, series connection or both combination.

Preferably, the fountain packed bed regenerative apparatus includes a closed tank, is equipped with spray in the closed tank The top of the packed bed is arranged in head and packed bed, the spray head, and the packed bed is equipped with solid-state heat-storing material, described The import of spray head is connected to the inlet of the fountain packed bed regenerative apparatus, and the spray head is feed liquor to be atomized into Fine drop or several tiny fluid columns, and spray onto the solid-state heat-storing material on the packed bed, make feed liquor and solid-state accumulation of heat Material carries out heat exchange.

Preferably, it is just being arranged in the packed bed equipped with several layers or staggered cell channel, the solid-state stores Hot material is arranged in each cell channel.

Preferably, the top of the closed tank also passes through a connecting pipe Lu Yuyi pressure stabilizing and filter element is connected to, and The connecting pipeline is equipped with the 4th control valve.

Preferably, several temperature and pressure-detecting device are additionally provided in the closed tank.

Further, the system comprises two kinds of operating modes of heat accumulation and heat release.

Further, when the system is in heat accumulation mode, when the system is in heat accumulation mode, described the is opened One control valve, the second control valve, third control valve door, the 8th control valve, the first relief valve, close remaining control valve Door, the cryogenic liquid heat transfer medium in the low-temperature liquid storage tank squeeze into the heat source feed end, and the heat source feed end is by low temperature After liquid heat transfer medium is heated to be high-temp liquid heat transfer medium, a part flows into the heat exchanger to heat source user by main line Heat supply is held, another part flows into the fountain packed bed regenerative apparatus by bypass line, and stores with the solid-state in packed bed Thermal medium carries out heat exchange, and heat is transmitted to after solid-state heat storage medium and is changed into cryogenic liquid heat transfer medium, cryogenic liquid heat transfer Medium enters the low-temperature liquid storage tank, the liquid temperature at the leakage fluid dram of packed bed lower end by the leakage fluid dram outflow of packed bed bottom When degree reaches setting value, it is considered as the completion of heat accumulation process, closes two controls of the fountain packed bed regenerative apparatus upper and lower ends Valve processed.

Further, when the system is in heat release mode, when the system is in heat release mode, described the is closed One control valve, the second control valve, third control valve door, the 8th control valve open the 6th control valve, the 7th control Valve processed, the tenth control valve, the low temperature liquid heat transfer medium in the low-temperature liquid storage tank is through the company where the tenth control valve Siphunculus road is flowed into the fountain packed bed regenerative apparatus, and heat exchange occurs with solid heat storage medium therein and is changed into High-temperature liquid state heat transfer medium is flowed into the high temperature fluid reservoir later, and is further transported in heat exchanger and passes heat It is handed to heat source user terminal, after the heat-transfer medium temperature at the leakage fluid dram of packed bed lower end reaches setting value, it is complete to be considered as heat release process At closing the control valve of the fountain packed bed regenerative apparatus upper and lower ends, and simultaneously close off and be connected with heat energy output end Each control valve.

Further, when the system does not work, all control valves are all in opening state, inside whole system Pressure drain to atmospheric pressure.

The utility model additionally provides the fountain packed bed heat reservoir of another structure type.Fountain filling Bed heat reservoir, including heat source feed end, fountain packed bed regenerative apparatus, heat exchanger, steam generator, condenser, first Low-temperature liquid storage tank, the second low-temperature liquid storage tank, liquid collecting tank, pressure stabilizing and filter element, heat source user terminal, which is characterized in that

The first control valve is arranged in the entrance of the heat source feed end, and the second control valve is arranged in exit,

The outlet of the heat source feed end is divided into two-way, stores up after the hot side of the heat exchanger with first low temperature all the way The liquid-inlet of flow container is connected to, another way after the hot side of the steam generator with the liquid of first low-temperature liquid storage tank into Mouth connection, and the connecting pipeline between the hot side outlet of the steam generator and the liquid-inlet of first low-temperature liquid storage tank It is equipped with the tenth control valve, the cold side of the steam generator is connected to the heat source user terminal,

The inlet communication of the liquid outlet of first low-temperature liquid storage tank and the heat source feed end, the first low temperature storage Be additionally provided with a gas vent at the top of flow container, the gas vent successively through a relief valve, condenser hot side after with the liquid collecting The inlet communication of tank also is provided with relief valve on the liquid collecting tank,

Third control valve door is arranged in the cold side outlet of the heat exchanger, is equipped with the 7th control valve, institute at cold side import The cold side outlet port for stating heat exchanger is connected to the inlet at the top of the fountain packed bed regenerative apparatus, the fountain packed bed The second liquid inlet communication of the leakage fluid dram of regenerative apparatus bottom and second low-temperature liquid storage tank, the fountain packed bed store Control valve is provided at the inlet and leakage fluid dram of thermal, the liquid outlet of second low-temperature liquid storage tank is divided into two-way, It is connected to all the way with the cold side import of the heat exchanger, another way is filled through one the 6th control valve and the fountain packed bed accumulation of heat The inlet connection set,

Inlet communication of the leakage fluid dram of the fountain packed bed regenerative apparatus also with high temperature fluid reservoir, and the high temperature stores up The entrance of flow container is equipped with the 8th control valve, and the outlet of the high temperature fluid reservoir is divided into two-way, all the way through one the 4th control valve Door is connected to the inlet of the fountain packed bed regenerative apparatus, and another way is through one the 5th control valve and the steam generation The hot side import of device is connected to.

Preferably, the heat source user terminal be a steam generating system, the steam generating system include steam engine, Condenser, liquid collecting tank, and the cold side of the steam engine, condenser, liquid collecting tank, steam generator is sequentially communicated, and forms one Steam-electric power circulation.

Further, a circulating pump is arranged in the exit of the liquid collecting tank.

Preferably, one first cryogenic pump, the second low temperature storage is arranged in the liquid outlet of first low-temperature liquid storage tank One second cryogenic pump is arranged in the liquid outlet of flow container, and a high-temperature pump is arranged in the exit of the high temperature fluid reservoir.

Preferably, also by one with valvular connecting pipeline and a pressure stabilizing at the top of the fountain packed bed regenerative apparatus And filter element connection.

Preferably, the fountain packed bed regenerative apparatus includes a closed tank, is equipped with spray in the closed tank The top of the packed bed is arranged in head and packed bed, the spray head, and the packed bed is equipped with solid-state heat-storing material, described The import of spray head is connected to the inlet at the top of the fountain packed bed regenerative apparatus.

Further, when the fountain packed bed heat reservoir is at the heat accumulation stage, the first control valve, second are opened Control valve, third control valve door, the 7th control valve, the tenth control valve close remaining each control valve；Described first is low Liquid heat transfer medium in warm fluid reservoir enters heat source feed end, liquid heat transfer medium is heated to be high-temperature heat-transfer medium, in heat When the feed end thermal energy abundance of source, the hot side that high-temperature heat-transfer medium flows into the steam generator all the way puts the heat source user terminal Returned after heat in first low-temperature liquid storage tank, another way enter the heat exchanger hot side heat release after return to first low temperature In fluid reservoir；At the same time, it absorbs heat the cold side that the liquid heat transfer medium in second low-temperature liquid storage tank enters the heat exchanger Enter the fountain packed bed regenerative apparatus after being changed into high-temperature liquid state heat transfer medium, and is situated between with the solid-state accumulation of heat in packed bed Matter carries out heat exchange, and heat is transmitted to after solid-state heat storage medium and is changed into low temperature liquid heat transfer medium, passes through packed bed bottom later The leakage fluid dram in portion is back to second low-temperature liquid storage tank, when the liquid heat transfer medium temperature at leakage fluid dram reaches setting value, It is considered as the completion of heat accumulation process, closes two control valves being connected with packed bed upper and lower ends.

Further, the liquid heat transfer medium temperature in heat-accumulating process, inside the fountain packed bed heat reservoir When degree increases, internal system pressure is also with raising, when pressure is higher than setting value, is carried out by the relief valve being arranged in system Row pressure, the high-temperature gas of discharge successively through the hot side of the regenerator, the condenser cold side heat release after enter the liquid collecting In tank.

Further, after the pressure in the liquid collecting tank reaches setting pressure, the relief valve of the liquid collecting tank upper end is certainly It is dynamic to open, the extra gas of tank interior is drained into environment.

Preferably, the fountain packed bed heat reservoir closes first control valve, second in the heat release stage Control valve, third control valve door, the 7th control valve, the tenth control valve open the 6th control valve, the 8th control valve Door, the 5th control valve, the low temperature liquid heat transfer medium in second fluid reservoir are passed into the fountain packed bed accumulation of heat In device, heat exchange occurs with the solid heat storage medium on packed bed, is changed into height after the heat absorption heating of low temperature liquid heat transfer medium Warm liquid heat transfer medium is flowed into the high temperature fluid reservoir later, enters steam generation under the action of the high-temperature pump The hot side of device transfers heat to the working medium in steam generating system；At the fountain packed bed regenerative apparatus leakage fluid dram After liquid heat transfer medium temperature reaches setting value, it is considered as the completion of heat release process, closes and fountain packed bed regenerative apparatus later Two control valves of upper and lower ends, and simultaneously close off the piping connection valve of packed bed and heat energy output end.

Further, when the heat reservoir does not work, it is ensured that valve on the energy-storage system internal pipeline is all in opening Logical state, and the relief valve of fluid reservoir upper end is opened, the pressure inside whole system is drained to atmospheric pressure.

The utility model additionally provides the fountain packed bed heat reservoir of the third structure type.The fountain packed bed Heat reservoir, including it is industrial high temperature furnace, chimney, fountain packed bed regenerative apparatus, heat exchanger, steam generator, condenser, low Warm fluid reservoir, high temperature fluid reservoir, liquid collecting tank, pressure stabilizing and filter element, heat source user terminal, which is characterized in that

The waste heat exhanst gas outlet of the industrial high temperature furnace is passed through the chimney after the hot side of the heat exchanger,

The cold side outlet of the heat exchanger is equipped with third control valve door, is equipped with the 7th control valve at cold side import,

The cold side outlet port of the heat exchanger after the hot side of the steam generator with the first liquid of the low-temperature liquid storage tank Body inlet communication, the cold side of the steam generator are connected to the heat source user terminal,

The hot side inlet position of the steam generator is equipped with the 5th control valve, is equipped with the 9th control valve at hot side outlet Door, and the connecting pipeline between five control valve of third control valve Men Yu is equipped with the 4th control valve,

The liquid outlet of the low-temperature liquid storage tank is divided into two-way, is connected to all the way with the cold side import of the heat exchanger, another The 6th control valve of Lu Jingyi is connected to the inlet of the fountain packed bed regenerative apparatus, the fountain packed bed accumulation of heat The 11st control valve is set at the inlet of device,

The top of the fountain packed bed regenerative apparatus also pass through one with valvular connecting pipeline and the pressure stabilizing and Filter element connection；The leakage fluid dram of the fountain packed bed regenerative apparatus bottom is divided into two-way, all the way through 1 the 12nd control The second liquid inlet communication of valve and the low-temperature liquid storage tank, another way through one the 8th control valve and the high temperature fluid reservoir into Mouth connection, the outlet of the high temperature fluid reservoir are connected to the hot side import of the steam generator, the top of the low-temperature liquid storage tank Portion is additionally provided with a gas vent, the gas vent successively through a relief valve, condenser hot side after connect with the import of liquid collecting tank It is logical, relief valve also is provided on liquid collecting tank.

Preferably, the smoke-exhaust pipeline of the industrial high temperature furnace is equipped with aspiration pump.

Preferably, the heat source user terminal be a steam generating system, the steam generating system include steam engine, Condenser, liquid collecting tank, and the cold side of the steam engine, condenser, liquid collecting tank, steam generator is sequentially communicated, and forms one Steam-electric power circulation, the steam engine drive generator work.

Preferably, a cryogenic pump, the exit of the high temperature fluid reservoir is arranged in the liquid outlet of the low-temperature liquid storage tank One high-temperature pump is set.

Further, when the fountain packed bed heat reservoir is at the heat accumulation stage, open the 7th control valve, Third control valve door, 12 control valve of the 11st control valve family status, the 4th control valve, the 5th control valve, the 9th control Valve, the liquid heat transfer medium in the low-temperature liquid storage tank are heated to be high-temperature heat-transfer medium behind the cold side of the heat exchanger, It is divided into two-way later, is entered directly into the steam generator all the way, to the heat source user terminal heat supply；Another way enters institute Fountain packed bed regenerative apparatus is stated, and carries out heat exchange with the solid-state heat storage medium in packed bed, heat is transmitted to solid-state and is stored The low-temperature liquid storage tank is flowed out to by the leakage fluid dram of packed bed bottom after thermal medium, when packed bed lower end exports heat transfer stream body temperature When degree reaches setting value, it is considered as the completion of heat accumulation process, closes two valves being connected with packed bed upper and lower ends.

Further, in heat-accumulating process, when the liquid heat transfer fluid temperature inside heat reservoir increases, internal system Pressure is also with raising, after pressure is higher than setting value, carries out row pressure, discharge by the pressure relief pipe on the low-temperature liquid storage tank High-temperature gas by regenerator, into condenser it is cooling after flow into the liquid collecting tank and be collected.

Further, after the pressure in liquid collecting tank reaches setting pressure, the relief valve on the liquid collecting tank is automatically turned on, The extra gas of tank interior is drained into environment.

Preferably, the fountain packed bed heat reservoir closes the third control valve door, the 7th in the heat release stage Control valve, the 4th control valve, the 12nd control valve open the 6th control valve, the 8th control valve, the 5th control valve Door, the 9th control valve, while guaranteeing that the aperture of the gas regulation valve on voltage-stabilizing system main line is in setting pressure.Institute The low temperature liquid heat-transfer fluid in low-temperature liquid storage tank is stated to be flowed into after regenerator in fountain packed bed regenerative apparatus, and with Heat exchange occurs for solid heat storage medium therein, is changed into high-temperature liquid state heat transfer after the heat absorption heating of low temperature liquid heat transfer medium and is situated between Matter is flowed into later in high temperature fluid reservoir, is entered under the action of high-temperature pump and is transferred heat to heat source in steam generator User terminal.

Further, after the heat-transfer fluid temperature in fountain packed bed regenerative apparatus lower end exit reaches setting value, It is considered as the completion of heat release process, closes the valve of packed bed upper and lower ends, and simultaneously closes off the pipeline of packed bed and heat energy output end Connecting valve.

The fountain packed bed heat reservoir of the utility model, be it is a kind of by energy such as electric energy, thermal energy, heat chemistrys opposite It is stored in by way of directly or indirectly exchanging heat in the form of thermal energy in the packed bed in heat reservoir when sufficient, when needed Wait again release thermal energy is converted to electric energy or thermal energy directly to the heat reservoir of user.Its working principle:

In heat source feed end thermal energy abundance, use fluid liquid for heat transfer medium, the liquid heat transfer in low-temperature liquid storage tank Medium passes through heat source feed end, and heat-transfer fluid is heated to set temperature, is supplied to heat source user terminal all the way, and another way enters spray Leaching formula packed bed heat-storing device carries out heat exchange with solid heat storage medium therein, the energy transmission that heat-transfer fluid carries is given Heat storage medium simultaneously stores, and the heat-transfer fluid after temperature reduces flows out from packed bed bottom and flows into low-temperature liquid storage tank.

When needing heat, the low temperature heat transfer fluid in low-temperature liquid storage tank is provided to fountain packed bed heat-storing device In, heat exchange is carried out with the high-temp solid heat storage medium inside packed bed, thermal energy is taken out of to and flowed into supreme temperature fluid reservoir, is passed through High-temperature pump, which exports, gives heat source user terminal.

During accumulation of heat and heat release, it will be arranged by the pressure relief device being arranged in system when pressure is higher than setting Pressure, the high-temperature gas of discharge can pass through or not by regenerator, flow into accumulator tank after cooling down into condenser and be collected.

In the fountain packed bed heat reservoir of the utility model, regenerative apparatus is pressure-bearing thermal-insulating type packed bed；Packed bed For inside holding formula/or external thermal insulation formula；Packed bed tank body can be the connection/of non-detachable welding or detachable flanged joint.Spray It is detachable/or fixed for drenching head and the connection type at the top of packed bed.

Pressure release circuit in the fountain packed bed heat reservoir of the utility model, purpose is for buffering in heat reservoir Pressure rise caused by portion's pressure pressure stabilizing volume expansion due to caused by expanding with heat and contract with cold.

In the fountain packed bed heat reservoir of the utility model, the liquid collecting tank includes at least one temperature detection dress It sets, at least one pressure-detecting device, at least one safety valve, at least one pouring orifice, at least one sewage draining exit.

In the fountain packed bed heat reservoir of the utility model, the regenerator be plank frame/or plate-fin structure/ Or the combination of one or two of tube shell type structure/or sped structure or more；The regenerator side be high pressure gas and The mixture of liquid heat transfer medium, side are high pressure low temperature liquid heat transfer Jie of reflux after the completion of heat-accumulating process/or heat release process Matter；Its heat exchange mode can be fair current/or adverse current/or both all include mixed flow.

In the fountain packed bed heat reservoir of the utility model, the condenser be plank frame/or plate-fin structure/ Or the combination of one or two of tube shell type structure/or sped structure or more；The regenerator side be high pressure gas and The mixture of liquid heat transfer medium, side are cryogen or gas；Its heat exchange mode can be fair current/or adverse current/or both The mixed flow for all including.

In the fountain packed bed heat reservoir of the utility model, the heat exchanger/steam generator be plank frame/or The combination of the one or two of plate-fin structure/or tube shell type structure/or sped structure or more；Its heat exchange of the heat exchanger Mode can be fair current/or adverse current/or both all include mixed flow.

Preferably, the heat source accommodation device can be with solar energy heat collector/or power plant's high-temperature flue gas/or steel mill high temperature Flue gas etc. can heat the device or system of liquid heat transfer medium.

In the fountain packed bed heat reservoir of the utility model, the packed bed regenerative apparatus, fluid reservoir, liquid collecting tank etc. For pressure vessel under interior heat-retaining condition, the material of pressure vessel inner casing is that the metal materials or ceramics etc. such as stainless steel, aluminium, titanium are resistance to The corrosion resistant nonmetallic materials of heat, pressure vessel enclosure material are metal material, such as stainless steel, carbon steel, aluminium alloy or inorganic non- Metal material such as one of ceramics, high temperature concrete or at least two combination, fills thermal insulation material between inner casing and shell； The packed bed regenerative apparatus, fluid reservoir, liquid collecting tank are under outer heat-retaining condition, and pressure vessel enclosure material is metal material, such as Stainless steel, carbon steel, aluminium alloy or inorganic non-metallic material such as one of ceramics, high temperature concrete or at least two combination.

Regenerator, condenser and liquid collecting in the fountain packed bed heat reservoir of the utility model, in the system The shell of tank is the metal material of high pressure resistant corrosion-and high-temp-resistant, such as stainless steel, carbon steel, aluminium alloy or inorganic non-metallic material Material such as one of ceramics, high temperature concrete or at least two combination.

In the fountain packed bed heat reservoir of the utility model, the pressure stabilizing gas in the heat reservoir is air, nitrogen Gas, helium, argon gas etc. it is one of or at least two mixing.Liquid heat transfer medium is conduction oil, water, methanol, ethyl alcohol, liquid State metal etc. it is one of or at least two mixing；The solid heat storage medium is graininess or cellular, is rock, mine Stone, slag, concrete, refractory brick, Ceramic Balls, metal, phase-change material of encapsulation etc. it is one of or at least two mixture.

In the fountain packed bed heat reservoir of the utility model, fountain packed bed regenerative apparatus, fluid reservoir, liquid collecting tank It is all cylindrical body or the corrosion resistant sealed pressure vessel of sphere, high-temperature-resistant high-pressure-resistant.

Compared with the existing technology, the fountain packed bed heat reservoir of the utility model, the thermal energy storage for high temperature Field.The system is in the heat accumulation stage, and by liquid heat transfer medium, the thermal energy storage that heat source feed end is provided is in packed bed In solid heat storage medium；With the hot stage, the thermal energy in solid material is released and to generate electricity or heat.This is practical new The fountain packed bed heat reservoir of type has heat storage efficiency height, heat quality height, Applicable temperature field width, at low cost, operation peace Congruent advantage, especially suitable in high temperature solar energy thermal-power-generating and industrial high temperature field of waste heat utilization, while can also with it is big Scale physics energy storage improves the utilization efficiency of the energy if compressed-air energy-storage system carries out the complementation of using energy source step.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the structural schematic diagram of the utility model embodiment 2；

Fig. 3 is the structural schematic diagram of the utility model embodiment 3.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings The utility model is further described in example.

Embodiment 1:

Fig. 1 is the structural schematic diagram of the fountain packed bed heat reservoir embodiment 1 of the utility model, wherein solar energy The heat-transfer fluid and fountain packed bed heat-storing device of heat collector are direct contact heat transfers.As shown in Figure 1, the utility model Fountain packed bed heat reservoir mainly includes solar thermal collector 101, two parallel inside holding type fountain packed beds Regenerative apparatus 105, heat exchanger 107, regenerator 110, condenser 111, low-temperature liquid storage tank 103, high temperature fluid reservoir 104, high-temperature pump 106, cryogenic pump 102, liquid collecting tank 112, voltage-stabilizing system and filter 109, resident's heating network 108.

The outlet of solar thermal collector 101 is connected to by a main line with the hot side import of heat exchanger 107, heat exchanger 107 Hot side outlet be connected to the first liquid-inlet of low-temperature liquid storage tank 103, the cold side of heat exchanger 107 is connected to resident's heating network 108.The liquid outlet of low-temperature liquid storage tank 103 successively through cryogenic pump 102, regenerator 110 cold side after with solar thermal collector 101 Inlet communication, the outlet of solar thermal collector 101 also passes through bypass conduit and each fountain packed bed regenerative apparatus 105 The inlet at top is connected to, and the leakage fluid dram of each 105 bottom of fountain packed bed regenerative apparatus is stored up through a confluence pipeline and low temperature The second liquid inlet communication of flow container 103, and second liquid entrance be equipped with control valve 8, confluence pipeline also with high temperature liquid storage The inlet communication of tank 104, and the entrance of high temperature fluid reservoir 104 is equipped with control valve 7, the outlet of high temperature fluid reservoir 104 is through height Temperature pump 106 is connected to the hot side import of heat exchanger 107, and the exit of high-temperature pump 106 is equipped with control valve 6.Low-temperature liquid storage tank 103 tops are additionally provided with a gas vent, and gas outlet is equipped with control valve 9, heat of the gas vent successively through regenerator 110 Side, condenser 111 hot side after inlet communication with liquid collecting tank 112.The outlet of solar thermal collector 101 and cryogenic pump 102 Outlet between be additionally provided with a connecting pipe road, connecting pipeline is equipped with control valve 10, the entrance of solar thermal collector 101 Control valve 1,2 is equipped with exit.

In above system, fountain packed bed heat-storing device 105 includes a closed tank, is equipped with spray in the closed tank Head and packed bed are drenched, the top of the closed tank is arranged in the spray head, and the filling is arranged in the lower section of the spray head Bed, the packed bed is interior to be equipped with several layers cell channel, and the solid-state heat-storing material is arranged in each cell channel. The import of the spray head is connected to the inlet of the fountain packed bed regenerative apparatus 105, and the spray head is to will be into Liquid mist is melted into fine drop or several tiny fluid columns, and sprays onto the solid-state heat-storing material on the packed bed, make feed liquor with Solid-state heat-storing material carries out heat exchange, and the thermal energy storage in feed liquor is stored into solid-state heat-storing material or by solid-state heat-storing material Heat be discharged into feed liquor, to complete accumulation of heat or heat release.

The main operational principle of fountain packed bed heat-storing device 105 is: by the spray head being placed at the top of packed bed Liquid heat transfer medium in system is atomized into fine drop or several tiny fluid columns, then with packed bed internal element lattice channel Interior solid heat storage material carries out heat exchange, and the thermal energy storage in liquid heat transfer medium is got up or stores solid-state heat-storing material Heat release, to complete the accumulation of heat/of the fountain packed bed heat reservoir or the major function of heat release.In advance, will Solid heat storage material is packed into inside the fountain packed bed with cell channel, and is sealed.Closing system discharge valve, benefit Degassing processing is carried out to fountain packed bed heat reservoir with stable-pressure device, the air of internal system is drained.Liquid is passed again Thermal medium is injected into heat reservoir by the pouring orifice of fluid reservoir, and injection rate is to close exhaust valve after setting value.Adjust pressure stabilizing system Gas flow regulating valve door in system carries out heat reservoir to be forced into setting operating pressure.Reach setting in system pressure After pressure, it is ensured that the valve that system is connected with atmosphere is in close state, and the valve on other all internal system pipelines is all located In opening state.

The fountain packed bed heat reservoir of the utility model, including two kinds of operating modes of heat accumulation and heat release.

At the heat accumulation stage, valve 1,2,3,8,9 is opened, uses fluid liquid for heat transfer medium, it will by cryogenic pump 102 Liquid heat transfer medium in low-temperature liquid storage tank 103 is driven into solar heat collector 101, and heat-transfer fluid is heated to set temperature, When heat source feed end thermal energy abundance, i.e., meet high temperature heat transfer fluid flow directly into heat exchanger 107 to resident's heating pipe network supply While, from bypass line enter fountain packed bed heat-storing device 105, be heated after liquid heat transfer medium pass through packed bed Liquid heat transfer medium is atomized or branches to several water columns by the spray equipment on top, and with the solid-state heat storage medium in packed bed Heat exchange is carried out, the high-grade thermal energy of liquid heat transfer medium is converted to the thermal energy of solid-state heat storage medium to store, it will be hot It measures the low temperature liquid heat transfer medium after being transmitted to heat storage medium to flow out by the leakage fluid dram of 105 bottom of packed bed, when packed bed lower end When outlet heat-transfer fluid temperature reaches setting value, it is considered as the completion of heat accumulation process, closes two to be connected with packed bed upper and lower ends A valve.In the process, due to the liquid heat transfer medium of internal system and pressure stabilizing gas can due to the raising of temperature itself Volume can be expanded, the pressure of system can be stepped up.After pressure rise to setting pressure, fluid reservoir 103 and liquid collecting Relief valve between tank 112 on pipeline automatically turns on, and high temperature and high pressure gas is stored in by regenerator 110, condenser 111 In liquid collecting tank 112, after the pressure in liquid collecting tank 112 reaches setting pressure, the relief valve of 112 upper end of liquid collecting tank is automatically turned on, The extra gas of tank interior is drained into environment.

During heat release, closing valve 1,2,3,8, opening valve 10,7,6, while guaranteeing on voltage-stabilizing system main line Gas regulation valve aperture be in setting pressure on.Low temperature liquid heat-transfer fluid in fluid reservoir 103 passes through cryogenic pump 102 It is flowed into packed bed 105, by end entrance on packed bed and by being evenly distributed on solid heat storage in packed bed after spray head Above medium, and it is flowed into each unit lattice channel and heat exchange occurs with heat storage medium, solid heat storage medium temperature declines at this time, Liquid heat transfer fluid temperature increases, and the high-grade thermal energy of solid heat storage material is converted into the high-grade thermal energy of liquid heat transfer fluid, Heat-transfer fluid brings out the high temperature heat being stored in inside heat storage medium and is flowed into high temperature fluid reservoir 104, passes through high-temperature pump It enters in heat exchanger 107 and is transferred heat in resident's heating pipe network under the action of 106.When 105 lower end exit of packed bed Heat-transfer fluid temperature reach setting value after, be considered as the completion of heat release process, close be connected with packed bed upper and lower ends two Valve, and simultaneously close off the piping connection valve of packed bed and heat energy output end.During heat release, inside heat reservoir When liquid heat transfer fluid temperature increases, internal system pressure is also with raising, when pressure will be by setting higher than setting in system The pressure relief device set carries out row pressure, and the high-temperature gas of discharge flows into liquid collecting after cooling down into condenser 111 by regenerator 110 Tank is collected 112.

When the heat reservoir does not work, it is ensured that the valve on the energy-storage system internal pipeline all in opening state, and The relief valve for opening fluid reservoir upper end, the pressure inside whole system is drained to atmospheric pressure.

Embodiment 2:

As shown in Fig. 2, being the fountain packed bed heat reservoir embodiment 2 of the utility model, this system mainly includes too Positive energy heat collector 201, fountain packed bed regenerative apparatus 207, heat exchanger 206, steam generator 208, regenerator 216, condensation Device 217, the first low-temperature liquid storage tank 203, the second low-temperature liquid storage tank 204, high temperature fluid reservoir 215, high-temperature pump 214, cryogenic pump 202, 205, liquid collecting tank 218, pressure stabilizing and filter element 219, steam generating system.Wherein solar thermal collection system and fountain packed bed Regenerative apparatus is indirect type heat exchange, and centre carries out hot transmitting by heat exchanger 206.The knot of fountain packed bed heat-storing device 207 Structure and its working principle are identical as the fountain packed bed heat-storing device of embodiment 1.

The first control valve 21 is arranged in the entrance of solar thermal collector 201, and the second control valve 22 is arranged in exit；Too The outlet of positive energy heat collector 201 is divided into two-way, all the way the liquid after the hot side of heat exchanger 206 with the first low-temperature liquid storage tank 203 Inlet communication, another way are connected to after the hot side of steam generator 208 with the liquid-inlet of the first low-temperature liquid storage tank 203, and are steamed The hot side outlet pipeline of vapour generator 208 is equipped with the tenth control valve 30；The one steam-electric power system of cold side of steam generator 208 System connection, steam generating system includes steam engine 209, condenser 211, liquid collecting tank 212, and steam engine 209, condensation Device 211, liquid collecting tank 212, steam generator 208 cold side be sequentially communicated, formed a steam-electric power circulation；Liquid collecting tank 212 goes out One circulating pump 213 is set at mouthful；The liquid outlet of first low-temperature liquid storage tank 203 behind the cold side of regenerator 216 with solar energy collection One first cryogenic pump 202 is arranged in the liquid outlet of the inlet communication of hot device 201, the first low-temperature liquid storage tank 203.Low temperature liquid storage It is additionally provided with a gas vent at the top of tank 203, gas vent is successively through a relief valve, the hot side of regenerator 216, condenser 217 With the inlet communication of liquid collecting tank 218 after hot side, relief valve also is provided on liquid collecting tank 218；The cold side outlet of heat exchanger 206 is arranged Third control valve door 23, the 7th control valve 27 is equipped at cold side import, and the cold side outlet port and fountain of heat exchanger 206 are filled The inlet connection at 207 top of bed regenerative apparatus, the leakage fluid dram of 207 bottom of fountain packed bed regenerative apparatus and the second low temperature store up The second liquid inlet communication of flow container 204 is provided with control at the inlet and leakage fluid dram of fountain packed bed regenerative apparatus 207 The liquid outlet of valve processed, the second low-temperature liquid storage tank 204 is divided into two-way, is connected to all the way with the cold side import of heat exchanger 206, another way It is connected to through one the 6th control valve 26 with the inlet of fountain packed bed regenerative apparatus 207, the liquid of the second low-temperature liquid storage tank 204 One second cryogenic pump 205 is arranged in body exit, and 207 top of fountain packed bed regenerative apparatus also has valve 11 by one Connecting pipeline is connected to a pressure stabilizing and filter element 219；The leakage fluid dram of fountain packed bed regenerative apparatus 207 also with high temperature liquid storage The inlet communication of tank 215, and the entrance of high temperature fluid reservoir 215 is equipped with the 8th control valve 28, the outlet of high temperature fluid reservoir 215 It is divided into two-way, is connected to all the way through one the 4th control valve 24 with the inlet of fountain packed bed regenerative apparatus 207, another way warp One the 5th control valve 25 is connected to the hot side import of steam generator 208, and a high temperature is arranged in the exit of high temperature fluid reservoir 215 Pump 214.

Fountain packed bed heat reservoir opens the first control valve 21, the second control valve 22, the at the heat accumulation stage Three control valves 23, the 7th control valve 27, the 8th control valve 28, the tenth control valve 30 use fluid liquid for heat transfer Medium says that in the first low-temperature liquid storage tank 203 liquid heat transfer medium is driven into solar heat collector 201 by the first cryogenic pump 202, Heat-transfer fluid is heated to set temperature, in heat source feed end thermal energy abundance, i.e., is flowed directly into meeting high temperature heat transfer fluid While steam generator 208 is to the system requirements of steam-electric power, enter heat exchanger 206 all the way, with fountain packed bed heat accumulation Device exchanges heat, and the liquid heat transfer medium in first low-temperature liquid storage tank 203 is squeezed into heat exchange by the first cryogenic pump 202 at this time After device 206 is heated to set temperature, liquid heat transfer fluid by the spray head on packed bed top, by liquid heat transfer medium atomization or Several water columns are branched to, and carry out heat exchange with the solid-state heat storage medium in packed bed, by the high-grade heat of liquid heat transfer medium The thermal energy of solid-state heat storage medium can be converted to store, the low temperature liquid heat transfer medium after heat to be transmitted to heat storage medium leads to The leakage fluid dram for crossing packed bed bottom flows out to the second low-temperature liquid storage tank 104, and when the outlet of packed bed lower end, heat-transfer fluid temperature reaches When setting value, it is considered as the completion of heat accumulation process, closes two control valves being connected with packed bed upper and lower ends.

In heat-accumulating process, when liquid heat transfer fluid temperature inside heat reservoir increases, internal system pressure also with Raising, row pressure will be carried out by the relief valve being arranged in system when pressure is higher than setting, the high-temperature gas of discharge passes through back Hot device 216 flows into liquid collecting tank 218 after cooling down into condenser 2171 and is collected, when the pressure in liquid collecting tank reaches setting pressure After power, the relief valve of liquid collecting tank upper end is automatically turned on, and the extra gas of tank interior is drained into environment.

Fountain packed bed heat reservoir closes the first control valve 21, the second control valve 22, the in the heat release stage Three control valves 23, the 7th control valve 27, the tenth control valve 30, open the 6th control valve 26, the 8th control valve 28, 5th control valve 25, while guaranteeing that the aperture of the gas regulation valve on voltage-stabilizing system main line is in setting pressure.The Low temperature liquid heat-transfer fluid in two fluid reservoirs 204 is flowed into fountain packed bed regenerative apparatus 207 by the second cryogenic pump 205 It is interior, heat exchange occurs with the heat storage medium on packed bed, solid heat storage medium temperature declines at this time, liquid heat transfer fluid temperature liter Height, the high-grade thermal energy of solid heat storage material are converted into the high-grade thermal energy of liquid heat transfer fluid, and heat-transfer fluid handle is stored in storage High temperature heat inside thermal medium, which is brought out, to be flowed into high temperature fluid reservoir 215, by entering steaming under the action of high-temperature pump 214 The working medium in steam generating system is transferred heat in vapour generator 208, and steam engine 209 is driven to generate electricity.Work as spray After the heat-transfer fluid temperature in 207 lower end exit of formula packed bed regenerative apparatus reaches setting value, it is considered as the completion of heat release process, closes With two control valves of fountain packed bed regenerative apparatus upper and lower ends, and the pipeline of packed bed and heat energy output end is simultaneously closed off Connecting valve.

Embodiment 3:

As shown in figure 3, being the fountain packed bed heat reservoir embodiment 3 of the utility model, this system mainly includes work Industry high temperature furnace 301, chimney 302, aspiration pump 303, fountain packed bed regenerative apparatus 307, heat exchanger 306, steam generator 308, regenerator 316, condenser 317, low-temperature liquid storage tank 304, high temperature fluid reservoir 315, high-temperature pump 314, cryogenic pump 305, liquid collecting Tank 318, pressure stabilizing and filter element 319, steam generating system 308.Wherein industrial high temperature furnace waste heat flue gas system is filled out with fountain Filling a regenerative apparatus is indirect type heat exchange, and centre carries out hot transmitting by heat exchanger 306.Fountain packed bed heat-storing device 307 Structure and its working principle it is identical as the fountain packed bed heat-storing device of embodiment 1,2.

The waste heat exhanst gas outlet of industrial high temperature furnace 301 is passed through chimney 302, industrial high temperature furnace after the hot side of heat exchanger 306 301 smoke-exhaust pipeline is equipped with aspiration pump 303.The cold side outlet of heat exchanger 306 is equipped with third control valve door 33, cold side import Place be equipped with the 7th control valve 37, the cold side outlet port of heat exchanger 306 after the hot side of steam generator 308 with low-temperature liquid storage tank 304 the first liquid-inlet connection, the cold side of steam generator 308 are connected to a steam generating system, steam generating system packet Include steam engine 309, condenser 311, liquid collecting tank 312, and steam engine 309, condenser 311, liquid collecting tank 312, steam The cold side of generator 308 is sequentially communicated, and forms steam-electric power circulation, and steam engine 309 drives generator work, and will be electric Power is delivered to power grid 310.A circulating pump 313 is arranged in the exit of liquid collecting tank 312.

The hot side inlet position of steam generator 308 is equipped with the 5th control valve 35, is equipped with the 9th control valve at hot side outlet Door 39, and the connecting pipeline between third control valve door 33 and the 5th control valve 35 is equipped with the 4th control valve 34, low temperature The liquid outlet of fluid reservoir 304 is divided into two-way, is connected to all the way with the cold side import of heat exchanger 306, and another way is through one the 6th control Valve 36, regenerator 316 cold side be connected to the inlet of fountain packed bed regenerative apparatus 307, the liquid of low-temperature liquid storage tank 304 A cryogenic pump 305 is arranged in body exit.The top of fountain packed bed regenerative apparatus 307 also passes through a connection for having valve 40 Pipeline is connected to a pressure stabilizing and filter element 319；The leakage fluid dram of 307 bottom of fountain packed bed regenerative apparatus is divided into two-way, and one The second liquid inlet communication of Lu Jingyi the 12nd control valve 42 and low-temperature liquid storage tank 304, another way is through one the 8th control valve 38 Outlet with the inlet communication of high temperature fluid reservoir 315, high temperature fluid reservoir 315 is connected to the hot side import of steam generator 308, high A high-temperature pump 314 is arranged in the exit of warm fluid reservoir 315.The top of low-temperature liquid storage tank 304 is additionally provided with a gas vent, and gas goes out The mouth successively inlet communication after a relief valve, the hot side of regenerator 316, the hot side of condenser 317 with liquid collecting tank 318, liquid collecting Relief valve also is provided on tank 318.

The fountain packed bed heat reservoir of the present embodiment at the heat accumulation stage, open valve 37,33,41,34,35, 39, it uses fluid liquid for heat transfer medium, is driven into the liquid heat transfer medium in low-temperature liquid storage tank 304 by cryogenic pump 305 After heat exchanger 306 is heated to set temperature, it is divided into two-way, is entered directly into steam generator 308 all the way, heating steam hair Working medium driving steam engine 309 in electric system generates electricity；Another way passes through 307 top of fountain packed bed regenerative apparatus Liquid heat transfer medium is atomized or is branched to several water columns, and carries out hot friendship with the solid-state heat storage medium in packed bed by spray head It changes, heat is transmitted to storage to store by the thermal energy that the high-grade thermal energy of liquid heat transfer medium is converted to solid-state heat storage medium Low temperature liquid heat transfer medium after thermal medium flows out to low-temperature liquid storage tank 304 by the leakage fluid dram of packed bed bottom, works as packed bed When outlet heat-transfer fluid temperature in lower end reaches setting value, it is considered as the completion of heat accumulation process, closing is connected with packed bed upper and lower ends Two valves.In heat-accumulating process, when the liquid heat transfer fluid temperature inside heat reservoir increases, internal system pressure With raising, after pressure is higher than setting value, row pressure, the high temperature of discharge are carried out by the pressure relief pipe on low-temperature liquid storage tank 304 Gas is flowed into liquid collecting tank 318 after cooling down into condenser 317 and is collected by regenerator 316.Pressure in liquid collecting tank 318 After power reaches setting pressure, the relief valve of 318 upper end of liquid collecting tank is automatically turned on, and the extra gas of tank interior is drained into environment In.

In the heat release stage, valve 33,37,34,42 is closed, opens valve 36,38,35,39, while guaranteeing voltage-stabilizing system The aperture of gas regulation valve on main line is in setting pressure.Low temperature liquid heat-transfer fluid in low-temperature liquid storage tank 304 It is flowed into after regenerator 316 in fountain packed bed regenerative apparatus 307 by cryogenic pump 305, by uniform after spray head It is distributed in packed bed above solid heat storage medium, and heat exchange occurs with solid heat storage medium, at this time solid heat storage medium temperature Degree decline, liquid heat transfer fluid temperature increase, and the high-grade thermal energy of solid heat storage material is converted into the Gao Pin of liquid heat transfer fluid Position thermal energy, heat-transfer fluid brings out the high temperature heat being stored in inside heat storage medium and is flowed into high temperature fluid reservoir 315, in height The working medium transferred heat in steam generating system in steam generator 308 is entered under the action of temperature pump 314, and drives steaming Vapour engine 309 generates electricity.After the heat-transfer fluid temperature in 307 lower end exit of packed bed reaches setting value, it is considered as heat release process It completes, closes two valves being connected with packed bed upper and lower ends, and simultaneously close off the pipeline of packed bed and heat energy output end Connecting valve.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model Within the scope of.

Claims

1. a kind of fountain packed bed heat reservoir, including fountain packed bed regenerative apparatus, low-temperature liquid storage tank, high temperature liquid storage Tank, heat exchanger, heat source feed end, heat source user terminal, condenser and liquid collecting tank, which is characterized in that

The outlet of the heat source feed end is connected to by a main line with the hot side import of the heat exchanger, is set on the main line There is third control valve door,

The hot side outlet of the heat exchanger is connected to the first liquid-inlet of the low-temperature liquid storage tank, and the cold side of the heat exchanger connects Lead to the heat source user terminal,

The outlet of the heat source feed end also passes through the feed liquor at the top of bypass conduit and the fountain packed bed regenerative apparatus Mouth connection,

The leakage fluid dram of the fountain packed bed regenerative apparatus bottom is classified two-way, all the way through one the 8th control valve with it is described low The second liquid inlet communication of warm fluid reservoir, inlet communication of the another way through one the 7th control valve and the high temperature fluid reservoir,

The outlet of the high temperature fluid reservoir is connected to the hot side import of the heat exchanger, and connecting pipeline between the two is equipped with 6th control valve,

It is additionally provided with a gas vent at the top of the low-temperature liquid storage tank, the gas vent is successively through one first relief valve, condenser Hot side after inlet communication with the liquid collecting tank, the liquid collecting tank is equipped with the second relief valve, when the low-temperature liquid storage tank and/ Or after the pressure rise in liquid collecting tank to setting pressure, each relief valve is automatically turned on,

It is additionally provided with a connecting pipe road between the outlet and the outlet of the low-temperature liquid storage tank of the heat source feed end, and in the company Siphunculus road is equipped with the tenth control valve.

2. fountain packed bed heat reservoir according to claim 1, which is characterized in that the liquid of the low-temperature liquid storage tank Exit is equipped with a cryogenic pump；The exit of the high temperature fluid reservoir is equipped with a high-temperature pump.

3. fountain packed bed heat reservoir according to claim 2, which is characterized in that the fountain packed bed accumulation of heat Device includes a closed tank, and spray head and packed bed are equipped in the closed tank, and the spray head is arranged in the filling The top of bed, the packed bed are equipped with solid-state heat-storing material, the import of the spray head and the fountain packed bed accumulation of heat The inlet of device is connected to, and the spray head sprays feed liquor is atomized into fine drop or several tiny fluid columns and arrives institute It states on the solid-state heat-storing material on packed bed, feed liquor and solid-state heat-storing material is made to carry out heat exchange.

4. fountain packed bed heat reservoir according to claim 3, which is characterized in that be equipped in the packed bed several The positive arrangement of layer or staggered cell channel, the solid-state heat-storing material are arranged in each cell channel.

5. fountain packed bed heat reservoir according to claim 4, which is characterized in that the top of the closed tank is also It is connected to by a connecting pipe Lu Yuyi pressure stabilizing and filter element, and is equipped with the 4th control valve on the connecting pipeline.

6. a kind of fountain packed bed heat reservoir, including heat source feed end, fountain packed bed regenerative apparatus, heat exchanger, steaming Vapour generator, condenser, the first low-temperature liquid storage tank, the second low-temperature liquid storage tank, liquid collecting tank, pressure stabilizing and filter element, heat source user End, which is characterized in that

The outlet of the heat source feed end is divided into two-way, all the way after the hot side of the heat exchanger with first low-temperature liquid storage tank Liquid-inlet connection, another way after the hot side of the steam generator with the liquid-inlet of first low-temperature liquid storage tank connect It is logical, and set on the connecting pipeline between the hot side outlet of the steam generator and the liquid-inlet of first low-temperature liquid storage tank There is the tenth control valve, the cold side of the steam generator is connected to the heat source user terminal,

The inlet communication of the liquid outlet of first low-temperature liquid storage tank and the heat source feed end, first low-temperature liquid storage tank Top is additionally provided with a gas vent, the gas vent successively through a relief valve, condenser hot side after with the liquid collecting tank Inlet communication also is provided with relief valve on the liquid collecting tank,

Third control valve door is arranged in the cold side outlet of the heat exchanger, and the 7th control valve is equipped at cold side import, described to change The cold side outlet port of hot device is connected to the inlet at the top of the fountain packed bed regenerative apparatus, the fountain packed bed accumulation of heat The second liquid inlet communication of the leakage fluid dram of bottom of device and second low-temperature liquid storage tank, the fountain packed bed accumulation of heat dress Control valve is provided at the inlet and leakage fluid dram set, the liquid outlet of second low-temperature liquid storage tank is divided into two-way, all the way It is connected to the cold side import of the heat exchanger, another way is through one the 6th control valve and the fountain packed bed regenerative apparatus Inlet connection,

Inlet communication of the leakage fluid dram of the fountain packed bed regenerative apparatus also with high temperature fluid reservoir, and the high temperature fluid reservoir Entrance be equipped with the 8th control valve, the outlet of the high temperature fluid reservoir is divided into two-way, all the way through one the 4th control valve with The inlet of the fountain packed bed regenerative apparatus is connected to, and another way is through one the 5th control valve and the steam generator Hot side import connection.

7. fountain packed bed heat reservoir according to claim 6, which is characterized in that the heat source user terminal is a steaming Vapour electricity generation system, the steam generating system include steam engine, condenser, the second liquid collecting tank, and the steam engine, Condenser, the second liquid collecting tank, steam generator cold side be sequentially communicated, formed a steam-electric power circulation.

8. fountain packed bed heat reservoir according to claim 6, which is characterized in that first low-temperature liquid storage tank One first cryogenic pump is arranged in liquid outlet, and one second cryogenic pump, institute is arranged in the liquid outlet of second low-temperature liquid storage tank A high-temperature pump is arranged in the exit for stating high temperature fluid reservoir.

9. a kind of fountain packed bed heat reservoir, including industrial high temperature furnace, chimney, fountain packed bed regenerative apparatus, heat exchange Device, steam generator, condenser, low-temperature liquid storage tank, high temperature fluid reservoir, liquid collecting tank, pressure stabilizing and filter element, heat source user terminal, It is characterized in that,

The cold side outlet port of the heat exchanger after the hot side of the steam generator with the first liquid of the low-temperature liquid storage tank into Mouth connection, the cold side of the steam generator are connected to the heat source user terminal,

The hot side inlet position of the steam generator is equipped with the 5th control valve, and the 9th control valve is equipped at hot side outlet, and Connecting pipeline between five control valve of third control valve Men Yu is equipped with the 4th control valve,

The liquid outlet of the low-temperature liquid storage tank is divided into two-way, is connected to all the way with the cold side import of the heat exchanger, another way warp One the 6th control valve is connected to the inlet of the fountain packed bed regenerative apparatus, the fountain packed bed regenerative apparatus Inlet at be arranged 1 the 11st control valve,

The top of the fountain packed bed regenerative apparatus also passes through one with valvular connecting pipeline and the pressure stabilizing and filtering Members；The leakage fluid dram of the fountain packed bed regenerative apparatus bottom is divided into two-way, all the way through 1 the 12nd control valve with The second liquid inlet communication of the low-temperature liquid storage tank, another way connect through the import of one the 8th control valve and the high temperature fluid reservoir Logical, the outlet of the high temperature fluid reservoir is connected to the hot side import of the steam generator, and the top of the low-temperature liquid storage tank is also Equipped with a gas vent, the gas vent successively through a relief valve, condenser hot side after inlet communication with liquid collecting tank, collection Relief valve also is provided on flow container.

10. fountain packed bed heat reservoir according to claim 9, which is characterized in that the row of the industrial high temperature furnace Smoke pipe road is equipped with aspiration pump.

11. fountain packed bed heat reservoir according to claim 9, which is characterized in that the heat source user terminal is one Steam generating system, the steam generating system includes steam engine, condenser, the second liquid collecting tank, and the steam starts Machine, condenser, the second liquid collecting tank, steam generator cold side be sequentially communicated, form steam-electric power circulation, the steam starts Machine drives generator work.

12. fountain packed bed heat reservoir according to claim 9, which is characterized in that the liquid of the low-temperature liquid storage tank A cryogenic pump is arranged in body exit, and a high-temperature pump is arranged in the exit of the high temperature fluid reservoir.