Heat storage equipment and mobile heat storage device

Abstract

The invention relates to heat storage equipment and a movable heat storage device, and the heat storage equipment comprises a heat storage device which comprises a heat exchange pipe and a heat storage unit, and the heat exchange pipe penetrates through the heat storage unit, so that liquid flowing through the heat exchange pipe can absorb heat of the heat storage unit and then is evaporated; the steam-water rebalance separator comprises a gas inlet, a gas outlet and a liquid inlet, the gas inlet is communicated with an outlet of the heat exchange pipe through a first pipeline, and the gas outlet is communicated with a steam discharge pipe used for discharging steam treated by the steam-water rebalance separator; the liquid inlet is communicated with a second liquid supply pipe for supplying liquid to the steam-water rebalance separator; the first flow adjusting device is arranged on the first pipeline; and the pressure adjusting device is arranged on the steam discharge pipe. Therefore, through the heat storage equipment, steam with stable quality can be produced.

Description

Technical Field

[0001] The present disclosure relates to the field of mobile heat storage technology, and in particular, to a heat storage device and a mobile heat storage apparatus. Background Art

[0002] At present, there are still a large number of areas in many cities in my country that cannot be covered by heating pipelines, while industrial enterprises, hotels, bathing centers, schools, hospitals and other users in the region have a large demand for thermal energy. On the contrary, in the vicinity of the city, a large number of factories have some waste heat that is directly discharged. The direct discharge of these waste heat will not only bring unnecessary energy waste, but also cause environmental pollution.

[0003] Based on this, the use of mobile heat storage heating technology can effectively improve the utilization rate of waste heat and avoid unnecessary energy waste. That is, mobile heat storage heating technology can be understood as recycling waste heat and other thermal energy resources in a certain place and storing them in a storage heat source device, transporting the heat energy to another place by vehicle, and then releasing the heat energy into the heating system, and finally providing the required heat energy to users through the heating system. Among them, a heat storage body for storing waste heat and other thermal energy resources is provided in the energy storage heat source device. The heat storage body can release its own stored heat into the heating system in the form of heat exchange, so as to be used for urban heating or factory production, for example. However, as the heat storage body continues to exchange heat, its own temperature continues to drop, which leads to the continuous change of the quality of the steam generated by the heat exchange. The quality of this steam often fails to meet the needs of industrial production and can only be used for some basic heating purposes. Summary of the invention

[0004] The purpose of the present disclosure is to provide a heat storage device and a mobile heat storage device, wherein the heat storage device can produce relatively stable steam to at least partially solve the problems in the above-mentioned related technologies.

[0005] In order to achieve the above object, the first aspect of the present disclosure provides a heat storage device, comprising:

[0006] A heat storage device, comprising a heat exchange tube and a heat storage unit, wherein the heat exchange tube runs through the heat storage unit so that the liquid flowing through the heat exchange tube can absorb the heat of the heat storage unit and then evaporate;

[0007] The steam-water rebalance separator comprises a gas inlet, a gas outlet and a liquid inlet, wherein the gas inlet is connected to the outlet of the heat exchange tube through a first pipeline, the gas outlet is connected to a steam discharge pipe for discharging saturated steam treated by the steam-water rebalance separator, and the liquid inlet is connected to a second liquid supply pipe for supplying liquid to the steam-water rebalance separator;

[0008] A first flow regulating device, disposed on the first pipeline; and

[0009] A pressure regulating device is arranged on the steam discharge pipe and is configured to be opened to discharge the saturated steam when the saturated steam in the steam discharge pipe reaches a set pressure.

[0010] Optionally, the heat storage device comprises a first liquid supply pipe connected to the inlet of the heat exchange tube, the first liquid supply pipe is provided with a second flow regulating device, and the second flow regulating device comprises a first liquid supply pump and / or a first flow regulating valve; and / or

[0011] The second liquid supply pipe is provided with a third flow regulating device, and the third flow regulating device includes a second liquid supply pump and / or a second flow regulating valve.

[0012] Optionally, the heat storage device includes a liquid supply main pipe, and the liquid supply main pipe is connected to the inlet of the first liquid supply pipe and the inlet of the second liquid supply pipe respectively.

[0013] Optionally, the heat storage device includes a water tank and a connecting pipe connected to the water tank, the connecting pipe is respectively connected to the liquid supply main pipe, the inlet of the first liquid supply pipe and the inlet of the second liquid supply pipe, and the liquid supply main pipe, the first liquid supply pipe, the second liquid supply pipe and the connecting pipe are each provided with a stop valve.

[0014] Optionally, the heat storage device further includes a first bypass pipe, the first bypass pipe is connected between the water tank and the first liquid supply pipe, and a first overflow valve is provided on the first bypass pipe.

[0015] Optionally, the heat storage device includes a shell, the heat storage device, the steam-water rebalance separator and the water tank are all arranged in the shell, the outlet of the steam exhaust pipe extends to the outside of the shell, the liquid supply main pipe passes through the shell, and the inlet of the liquid supply main pipe is located outside the shell.

[0016] Optionally, the heat storage unit includes a heat storage material, the heat storage material includes a carbonaceous component and a graphite component, or the heat storage material includes a carbonaceous component, a graphite component and inorganic oxide particles.

[0017] Optionally, the carbonaceous component includes amorphous carbon, the graphite component includes at least one of natural graphite and artificial graphite, and the inorganic oxide particles include at least one of silicon oxide, boron oxide, zirconium oxide, titanium oxide and silicon carbide.

[0018] Optionally, based on the total weight of the heat storage material, the amount of the carbonaceous component is 8-30% by weight, the amount of the graphite component is 70-92% by weight, and the amount of the inorganic oxide particles is 0-15% by weight.

[0019] Optionally, the heat storage device includes a protective shell, the heat storage unit is arranged in the protective shell, the inlet and outlet of the heat exchange tube are located outside the protective shell, and the protective shell is provided with a carbon monoxide sensor for detecting carbon monoxide in the protective shell.

[0020] Optionally, the protective shell is filled with protective gas, and a pressure sensor for detecting the pressure inside the protective shell is provided on the protective shell.

[0021] Optionally, the heat exchange tube includes an inlet main pipe, an outlet main pipe, a first heat exchange mother pipe, a second heat exchange mother pipe and a heat exchange sub-tube. The number of the first heat exchange mother pipes is multiple, and the multiple first heat exchange mother pipes are arranged side by side and are all connected to the inlet main pipe. The number of the second heat exchange mother pipes is multiple, and the multiple second heat exchange mother pipes are arranged side by side and are all connected to the outlet main pipe. The multiple first heat exchange mother pipes and the multiple second heat exchange mother pipes are respectively located on the opposite outer sides of the protective shell and are arranged symmetrically. The symmetrically arranged first heat exchange mother pipes and the second heat exchange mother pipes are both connected to the multiple heat exchange sub-tubes that pass through the protective shell and are arranged side by side. The outlet main pipe is connected to the first pipeline, and the inlet main pipe is connected to the first liquid supply pipe.

[0022] Optionally, the heat storage device further includes a heat storage inlet pipe and a heat storage outlet pipe, wherein the heat storage inlet pipe is connected to the inlet of the heat exchange tube and is used to provide heat storage gas to the heat exchange tube so that the heat storage unit can absorb the heat of the heat storage gas, and the heat storage outlet pipe is connected to the outlet of the heat exchange tube.

[0023] Optionally, the heat storage device further comprises an electric heater, a heating tube of the electric heater is at least partially inserted into the heat storage unit.

[0024] A second aspect of the present disclosure further provides a mobile heat storage device, comprising a vehicle and the heat storage apparatus as described above, which is arranged on the vehicle.

[0025] Through the above technical solution, the liquid injected into the heat exchange tube evaporates and forms steam after absorbing the heat of the heat storage unit. At this time, as the liquid continuously exchanges heat with the heat storage unit, the temperature of the heat storage unit itself will continue to decrease. In a certain period of time, the steam produced is superheated steam with large temperature fluctuations. The superheated steam enters the steam-water rebalance separator through the gas inlet, and the superheated steam is processed by the steam-water rebalance separator. The processed steam is saturated steam. As the steam-water rebalance separator continuously produces saturated steam, the saturated steam accumulates in the steam discharge pipe, and because the steam discharge pipe is provided with a pressure regulating device, when the pressure in the steam discharge pipe reaches a certain set pressure, the saturated steam accumulated in the steam discharge pipe will be discharged, so that the discharged saturated steam is saturated steam of the required quality, and because the relationship between the temperature and pressure of the saturated steam presents a one-to-one proportional curve, when the saturated steam reaches the set pressure and is discharged, the saturated steam is also at the set temperature. Therefore, the pressure and temperature of the discharged saturated steam can be adjusted by the pressure regulating device to ensure that the quality (pressure and temperature) of the saturated steam meets the requirements. At the same time, a first flow regulating device is also provided on the first pipeline, through which the flow of superheated steam can be regulated, thereby realizing the regulation of the flow of saturated steam discharged from the steam discharge pipe.

[0026] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0028] Figure 1 is a schematic structural diagram of a heat storage device and a mobile heat storage device provided in an exemplary embodiment of the present disclosure;

[0029] Figure 2 Schematic diagram of the structure of a heat exchange tube provided in an exemplary embodiment of the present disclosure.

[0030] Description of Reference Numerals

[0031] 1-heat storage device; 101-heat exchange tube; 1011-inlet main pipe; 1012-outlet main pipe; 1013-first heat exchange mother pipe; 1014-second heat exchange mother pipe; 1015-heat exchange sub-tube; 102-heat storage unit; 103-protection shell; 1031-carbon monoxide sensor; 1032-pressure sensor; 2-steam-water rebalance separator; 201-gas inlet; 202-gas outlet; 203-liquid inlet; 3-first pipeline; 301-first flow regulating device; 4-steam discharge pipe; 401-pressure regulating device; 5-second liquid supply pipe; 501-third flow regulating device; 5011-second liquid supply pump; 6-vehicle; 7-first liquid supply pipe; 701-second flow regulating device; 7011-first liquid supply pump; 8-liquid supply main pipe; 9-water tank; 901-connecting pipe; 902-stop valve; 903-valve; 10-first bypass pipe; 1001-first overflow valve; 11-housing; 12-heat storage inlet pipe; 13-heat storage outlet pipe; 14-electric heater; 15-gas injection valve. DETAILED DESCRIPTION

[0032] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0033] In the present disclosure, unless otherwise stated, the directional words used, such as "upper" and "lower", generally refer to the "upper" and "lower" relative to the gravity direction when the corresponding parts are in use, and "inner" and "outer" refer to the inside and outside relative to the outline of the parts or structures themselves. In addition, it should be noted that the terms used, such as "first" and "second", etc., are used to distinguish one element from another element and do not have order and importance. In addition, in the description with reference to the drawings, the same mark in different drawings represents the same element.

[0034] In the related art, a certain amount of high-temperature gas or high-temperature steam is generated in the actual production process of the factory. Some of these high-temperature gas or high-temperature steam may be directly discharged into the air, causing unnecessary energy waste. In order to maximize the utilization rate of these high-temperature gas or high-temperature steam, they can be recycled and reused through heat storage equipment. Among them, the use principle of some heat storage equipment can be to heat the heat storage material (heat storage body) in the heat storage equipment by high-temperature gas or high-temperature steam to achieve the recycling of high-temperature gas or high-temperature steam. After that, the heated heat storage material can be contacted with a liquid, such as water, through heat exchange. The water that has been heat exchanged with the heat storage material (heat storage body) can generate superheated steam. However, in the actual heat exchange process, as the heat exchange proceeds, the temperature of the heat storage material (heat storage body) itself continues to decrease, resulting in large fluctuations in the temperature and pressure of the generated superheated steam within a period of time. The temperature and pressure of the superheated steam cannot be stably output within a period of time. The non-steady-state superheated steam will not be applied to industrial production with high requirements for steam quality, and can only be used for more basic thermal energy utilization, such as heating.

[0035] Based on this, reference Figure 1 As shown, the first aspect of the present disclosure provides a heat storage device, which includes a heat storage device 1, a steam-water rebalance separator 2, a first flow regulating device 301 and a pressure regulating device 401, wherein the heat storage device 1 includes a heat exchange tube 101 and a heat storage unit 102, and the heat exchange tube 101 runs through the heat storage unit 102 so that the liquid flowing through the heat exchange tube 101 can absorb the heat of the heat storage unit 102 and evaporate; the steam-water rebalance separator 2 includes a gas inlet 201, a gas outlet 202 and a liquid inlet 203, and the gas The inlet 201 is connected to the outlet of the heat exchange tube 101 through the first pipeline 3, the gas outlet 202 is connected to a steam discharge pipe 4 for discharging saturated steam treated by the steam-water rebalance separator 2, and the liquid inlet 203 is connected to a second liquid supply pipe 5 for supplying liquid to the steam-water rebalance separator 2; the first flow regulating device 301 is arranged on the first pipeline 3; the pressure regulating device 401 is arranged on the steam discharge pipe 4 and is configured to open when the saturated steam in the steam discharge pipe reaches a set pressure to discharge the saturated steam.

[0036] Through the above technical solution, the liquid injected into the heat exchange tube 101 evaporates and forms steam after absorbing the heat of the heat storage unit 102. At this time, as the liquid continuously exchanges heat with the heat storage unit 102, the temperature of the heat storage unit 102 itself will continue to decrease, so that the generated steam is unstable superheated steam. The superheated steam enters the steam-water rebalance separator 2 through the gas inlet 201. The steam treated by the steam-water rebalance separator 2 is saturated steam. The saturated steam enters the steam discharge pipe 4. Since the steam discharge pipe 4 is provided with a pressure regulating device 401, when the pressure in the steam discharge pipe 4 reaches a certain set pressure, the pressure regulating device 401 opens to discharge saturated steam that meets the temperature and pressure requirements.

[0037] Among them, the function of the steam-water rebalance separator 2 is that, during the process of heat exchange between the liquid and the heat storage unit 102, the temperature of the heat storage unit 102 gradually decreases, which will cause the temperature of the steam generated successively to be different, resulting in unstable quality of the steam (superheated steam). Unstable steam can only be used for some basic uses, such as heating. In order to improve the applicability of steam, for example, it can be applied to industrial production, the steam discharged from the heat exchange tube 101 can enter the steam-water rebalance separator 2 from the gas inlet 201, and the steam is processed by the steam-water rebalance separator 2. The processed saturated steam is discharged from the gas outlet 202 of the steam-water rebalance separator 2, and the discharged saturated steam is discharged through the steam discharge pipe 4. The steam at this time is saturated steam. At the same time, a pressure regulating device 401 can be provided on the steam discharge pipe 4. The pressure regulating device 401 can be a pressure regulating valve. The pressure regulating valve is set with a pressure value. When the saturated steam in the steam discharge pipe 4 reaches the set pressure value, the pressure regulating valve opens, so that saturated steam that meets the needs of personnel can be obtained.

[0038] Secondly, in the present disclosure, in order to make the steam discharged from the steam discharge pipe 4 (the steam treated by the steam-water rebalance separator 2 is saturated steam) have a relatively stable quality (the temperature, pressure and flow rate of the steam can be discharged from the steam discharge pipe 4 relatively stably and can be maintained for a period of time), the first flow regulating device 301 and the pressure regulating device 401 can be used to coordinate and control, and the heat storage unit 102 starts heat exchange with the liquid flowing through the heat exchange tube 101 and generates superheated steam. After the superheated steam flows out of the heat exchange tube 101, it flows through the first pipeline 3 to the steam-water rebalance separator 2 for treatment. The superheated steam after treatment is converted into saturated steam. After the saturated steam flows out of the steam-water rebalance separator 2 through the gas outlet 202 of the steam-water rebalance separator 2, it is discharged through the steam discharge pipe 4. In order to make the temperature of the discharged saturated steam meet the use requirements, a pressure regulating device 401 can be installed on the steam discharge pipe 4. As the steam-water rebalance separator 2 is The separator 2 continuously inputs superheated steam, so that the temperature and pressure in the steam-water balance separator 2 continue to increase. When the steam pressure in the steam-water balance separator 2 reaches the value set by the pressure regulating device 401, the pressure regulating device 401 is opened, and the saturated steam is discharged from the steam discharge pipe 4. However, in the actual production test process of the heat storage equipment, if only the pressure regulating device 401 is used to make the temperature and flow rate of the saturated steam discharged from the steam discharge pipe 4 relatively stable, the effect is not ideal. Therefore, a first flow regulating device 301 can be provided on the first pipeline 3. The first flow regulating device 301 can be a flow regulating valve, which can control the flow rate of superheated steam flowing from the first pipeline 3 toward the steam-water rebalance separator 2. When the pressure of the saturated steam in the steam discharge pipe 4 is not enough to reach the set pressure, the flow regulating valve can continue to be opened partially on the basis of the existing opening amplitude to increase the flow rate, and vice versa, the opening amplitude can be reduced to reduce the flow rate.

[0039] In the present disclosure, both the first flow regulating device 301 and the pressure regulating device 401 can be connected to the controller, and relevant monitoring components such as temperature sensors, flow sensors, pressure sensors 1032, etc. can be installed on the first pipeline 3, the steam exhaust pipe 4, the second liquid supply pipe 5 and the first liquid supply pipe 7. The above-mentioned relevant monitoring components are all connected to the controller so that personnel can monitor the operating status of the heat storage equipment in real time, and can make targeted adjustments to the first flow regulating device 301 and the pressure regulating device 401 according to the numerical values ​​provided by the relevant monitoring components (the opening amplitude of the first flow regulating device 301 or the pressure regulating device 401 is controlled by the controller, so that the steam exhaust pipe 4 can discharge saturated steam more stably).

[0040] In some embodiments, reference Figure 1As shown, the heat storage device includes a first liquid supply pipe 7 connected to the inlet of the heat exchange tube 101, and the first liquid supply pipe 7 can inject liquid into the heat exchange tube 101, and the first liquid supply pipe 7 is provided with a second flow regulating device 701 for regulating the liquid flow, wherein the second flow regulating device 701 may include a first liquid supply pump 7011, and the liquid is pumped into the first liquid supply pipe 7 by the first liquid supply pump 7011 and discharged into the heat exchange tube 101 through the first liquid supply pipe 7, or a first flow regulating valve may be further provided on the first liquid supply pipe 7, and the flow rate of the liquid is controlled by the first flow regulating valve, so as to increase or decrease the amount of liquid entering the heat exchange tube 101, thereby indirectly controlling the amount of steam generated after the liquid exchanges heat with the heat storage unit 102.

[0041] In some embodiments, reference Figure 1 As shown, a third flow regulating device 501 may be provided on the second liquid supply pipe 5, and the third flow regulating device 501 is used to control the amount of liquid entering the gas-water rebalance separator 2 through the liquid inlet 203, wherein the third flow regulating device 501 includes a second liquid supply pump 5011, through which the liquid sequentially enters the gas-water rebalance separator 2 through the second liquid supply pipe 5 and the liquid inlet 203, and a second flow regulating valve may also be installed on the second liquid supply pipe 5, and the amount of liquid entering the gas-water rebalance separator 2 may be further accurately regulated by the second flow regulating valve.

[0042] In some embodiments, reference Figure 1 As shown, the heat storage device includes a liquid supply main pipe 8, which is connected to the inlet of the first liquid supply pipe 7 and the inlet of the second liquid supply pipe 5 respectively, and is used to provide liquid to the heat exchange tube 101 and the steam-water rebalance separator 2, and the liquid can be water.

[0043] In some embodiments, reference Figure 1As shown, the heat storage device includes a water tank 9 for storing liquid and a connecting pipe 901 connected to the water tank 9, wherein the connecting pipe 901 is respectively connected to the liquid supply main pipe 8, the inlet of the first liquid supply pipe 7 and the inlet of the second liquid supply pipe 5, and the liquid can be provided to the heat exchange pipe 101 and the steam-water rebalance separator 2 through the water tank 9, and the liquid can also be provided to the heat exchange pipe 101 and the steam-water rebalance separator 2 through the liquid supply main pipe 8. Therefore, it is necessary to connect the liquid supply main pipe 8, the first liquid supply pipe 7, the second liquid supply pipe 5 and the connecting pipe A stop valve 902 is respectively provided on 901. When liquid is provided to the heat exchange tube 101 and the steam-water rebalance separator 2 through the water tank 9, the stop valve 902 located on the liquid supply main pipe 8 needs to be closed. When liquid is provided to the heat exchange tube 101 and the steam-water rebalance separator 2 through the liquid supply main pipe 8, the stop valve 902 located on the connecting pipe 901 needs to be closed. Similarly, the liquid supply main pipe 8 can also inject liquid into the water tank 9. At this time, the stop valves 902 on the first liquid supply pipe 7 and the second liquid supply pipe 5 need to be closed.

[0044] In some embodiments, reference Figure 1 As shown, the heat storage device also includes a first bypass pipe 10, which is connected between the water tank 9 and the first liquid supply pipe 7 and is provided with a first overflow valve 1001. The purpose of providing the first overflow valve 1001 in the present disclosure is to stabilize the pressure in the first liquid supply pipe 7 and protect the first liquid supply pipe 7 to avoid damage to the first liquid supply pipe 7 due to excessive internal pressure. When the pressure in the first liquid supply pipe 7 is too high, the first overflow valve 1001 is opened, and part of the liquid in the first liquid supply pipe 7 will flow back from the first bypass pipe 10 to the water tank 9, thereby ensuring that the liquid entering the heat exchange tube 101 has a stable pressure.

[0045] In some embodiments, reference Figure 1 As shown, the heat storage device includes a shell 11, and the heat storage device 1, the steam-water rebalance separator 2 and the water tank 9 are all arranged in the shell 11. The shell 11 plays a protective role. The outlet of the steam exhaust pipe 4 extends to the outside of the shell 11. Similarly, in the present disclosure, the liquid supply main pipe 8 passes through the shell 11 and the outlet end of the liquid supply main pipe 8 is arranged inside the shell 11, and the inlet end of the liquid supply main pipe 8 is arranged outside the shell 11, wherein the outlet end of the liquid supply main pipe 8 can be connected to the inlet of the first liquid supply pipe 7, the inlet of the second liquid supply pipe 5 and the connecting pipe 901, and the inlet end of the liquid supply main pipe 8 can be connected to a water source to supply water to the first liquid supply pipe 7, the second liquid supply pipe 5 and the connecting pipe 901.

[0046] In some embodiments, reference Figure 1 As shown, the steam discharged from the steam-water rebalance separator 2 can be discharged through the steam discharge pipe 4, and the outlet of the steam discharge pipe 4 can be used to connect to a transport pipeline, which can transport the steam to a heating device or other equipment that requires steam.

[0047] In some embodiments, reference Figure 1 As shown, the liquid supply main pipe 8 passes through the shell 11 and the inlet of the liquid supply main pipe 8 is located on the outside of the shell 11. The inlet of the liquid supply main pipe 8 can be connected to an external water source to supply liquid to the water tank 9, the heat exchange tube 101 and the steam-water rebalance separator 2.

[0048] The heat storage unit 102 includes a heat storage material. To increase the heat storage density and thermal conductivity of the heat storage material, the heat storage material includes a carbonaceous component, a graphite component, or the heat storage material includes a carbonaceous component, a graphite component and inorganic oxide particles.

[0049] The carbonaceous component includes amorphous carbon, which is formed by high-temperature carbonization of a binder (asphalt or resin), the graphite component includes at least one of natural graphite and artificial graphite, and the inorganic oxide particles include at least one of silicon oxide, boron oxide, zirconium oxide, titanium oxide and silicon carbide.

[0050] Among them, based on the total weight of the heat storage material, the amount of carbonaceous components is 8-30% by weight, the amount of graphite components is 70-92% by weight, and the amount of inorganic oxide particles is 0-15% by weight. Specifically, the inorganic oxide particles have a particle size of 50-200 μm and contain at least one of silicon oxide, boron oxide, zirconium oxide, titanium oxide, and silicon carbide. The heat storage temperature of the heat storage material can reach up to 900°C, the thermal conductivity can reach up to 100W / mk, and the heat storage density is 900kJ / kg.

[0051] In the present disclosure, regarding the preparation of heat storage materials, the above-mentioned carbonaceous components, graphite components and inorganic oxide particles can be uniformly mixed in a certain proportion to obtain a mixture, the mixture is molded, and the molded blocks produced after molding are subjected to high-temperature heat treatment to finally obtain the heat storage material.

[0052] In some embodiments, in order to facilitate monitoring whether the heat exchange tube 101 leaks, refer to Figure 1As shown in , the heat storage device 1 also includes a protective shell 103, the heat storage unit 102 is arranged in the protective shell 103, and the inlet and outlet of the heat exchange tube 101 are located outside the protective shell 103. Since the heat exchange tube 101 at least partially penetrates the heat storage unit 102, when the heat exchange tube 101 leaks, the heat exchange medium flowing inside the heat exchange tube 101 will also directly contact the heat storage material. When the heat exchange medium is water vapor, since a carbonaceous component is used as a component of the heat storage material, water vapor and the heat storage material will react with water gas to produce carbon monoxide and hydrogen. The protective shell 103 can also prevent carbon monoxide and hydrogen from contacting with oxygen and exploding in a high temperature environment. In order to detect whether part of the heat exchange tube 101 in the protective shell 103 is leaking, a carbon monoxide sensor 1031 for detecting the carbon monoxide content in the protective shell 103 is provided on the protective shell 103. There may be multiple carbon monoxide sensors 1031, which are respectively arranged at different positions in the protective shell 103, so as to timely and accurately detect the carbon monoxide content in the protective shell 103. When the carbon monoxide sensor 1031 detects that the carbon monoxide content is not 0, the carbon monoxide sensor 1031 sends out an alarm to notify the on-site staff to handle it.

[0053] In order to further increase the safety level of the heat storage device 1, the protective shell 103 is filled with a protective gas. In order to facilitate the convenient filling of the protective gas into the protective shell 103, a gas injection valve 15 for allowing the protective gas to flow into the protective shell 103 can be installed on the outer wall of the protective shell 103. The protective gas can be a nitrogen-like gas with stable chemical properties or an inert gas such as helium. Since the protective gas does not react with the heat storage material, nor with hydrogen or carbon monoxide that may be produced, the safety level of the heat storage device 1 can be improved. At the same time, a pressure sensor 1032 for detecting the pressure inside the protective shell 103 is provided on the protective shell 103. When the protective shell 103 leaks, the pressure inside the protective shell 103 will drop abnormally. When the heat exchange tube 101 inside the protective shell 103 leaks, the pressure inside the protective shell 103 will increase abnormally. When the pressure sensor 1032 detects that the pressure inside the protective shell 103 is abnormal, an alarm will be issued to notify the on-site staff to handle it.

[0054] In some embodiments, when the heat storage device 1 performs heat release operation (the liquid inside the heat exchange tube 101 exchanges heat with the heat storage unit 102 to generate steam), Figure 1 and Figure 2As shown, the heat exchange tube 101 includes an inlet main pipe 1011, an outlet main pipe 1012, a first heat exchange mother pipe 1013, a second heat exchange mother pipe 1014 and a heat exchange sub-tube 1015. The number of the first heat exchange mother pipe 1013 is multiple, and the multiple first heat exchange mother pipes 1013 are arranged side by side and are all connected to the inlet main pipe 1011. The number of the second heat exchange mother pipe 1014 is multiple, and the multiple second heat exchange mother pipes 1014 are arranged side by side and are all connected to the outlet main pipe 1012. 1013 and a plurality of second heat exchange mother pipes 1014 are respectively located at two opposite outer sides of the protective shell 103 and are arranged symmetrically. The symmetrically arranged first heat exchange mother pipes 1013 and the second heat exchange mother pipes 1014 are both connected with a plurality of heat exchange sub-pipes 1015 that penetrate the protective shell 103 and are arranged side by side. The outlet main pipe 1012 is connected to the first pipeline 3, and the inlet main pipe 1011 is connected to the first liquid supply pipe 7. The heat storage material can be processed into any suitable shape to be placed in the protective shell 103, for example The heat storage material can be processed into a block shape, and a plurality of block-shaped heat storage materials are arranged in a matrix to form an integral heat storage unit 102. The present disclosure does not limit this. When the first liquid supply pump 7011 is started, the liquid stored in the water tank 9 flows to the inlet main pipe 1011 through the first liquid supply pipe 7. The liquid entering the inlet main pipe 1011 flows to the heat exchange sub-tube 1015 through the first heat exchange mother pipe 1013. When the liquid flows into the heat exchange sub-tube 1015, the liquid and the The heat storage unit 102 performs heat exchange and generates steam. The steam passes through the heat exchange sub-tube 1015, the second heat exchange main tube 1014, and the outlet main pipe 1012 in sequence, and then flows into the steam-water rebalance separator 2 through the gas inlet 201 of the steam-water rebalance separator 2 and undergoes steam treatment. The steam flowing out of the gas outlet 202 of the steam-water rebalance separator 2 is stable saturated steam, which is discharged through the steam exhaust pipe 4. The discharged steam can be used for heating or other industrial production.

[0055] In some embodiments, when the heat storage device 1 performs heat storage operation (i.e., using the heat storage unit 102 to store heat, for example, using high-temperature gas or high-temperature steam to heat the heat storage unit 102), reference Figure 1 and Figure 2 As shown, the heat storage device also includes a heat storage inlet pipe 12 and a heat storage outlet pipe 13, wherein the heat storage inlet pipe 12 is connected to the inlet of the heat exchange tube 101 for providing heat storage gas to the heat exchange tube 101 so that the heat storage unit 102 can absorb the heat of the heat storage gas, and the heat storage outlet pipe 13 is connected to the outlet of the heat exchange tube 101.

[0056] In the present disclosure, the heat storage inlet pipe 12 passes through the outer shell 11 and the outlet end of the heat storage inlet pipe 12 is arranged inside the outer shell 11, and the inlet end of the heat storage inlet pipe 12 is arranged outside the outer shell 11, wherein the outlet end of the heat storage inlet pipe 12 can be connected to the inlet main pipe 1011 and communicated with the inside, and the inlet end of the heat storage inlet pipe 12 is connected to the external pipeline to enable the high-temperature gas or high-temperature steam from the outside to flow into the inlet main pipe 1011 through the heat storage inlet pipe 12.

[0057] In the present disclosure, the heat storage outlet pipe 13 passes through the shell 11 and the inlet end of the heat storage outlet pipe 13 is arranged inside the shell 11, and the outlet end of the heat storage outlet pipe 13 is arranged outside the shell 11, wherein the inlet end of the heat storage outlet pipe 13 can be connected to the outlet main pipe 1012 and communicated with the inside, and the outlet end of the heat storage outlet pipe 13 is arranged outside the shell 11 to discharge the high-temperature gas or high-temperature steam after heat exchange with the heat storage unit 102.

[0058] Specifically, the heat storage inlet pipe 12 can be connected to the inlet main pipe 1011 and the interior is connected, and the heat storage outlet pipe 13 can be connected to the outlet main pipe 1012 and the interior is connected. Before storing heat in the heat storage unit 102, it is necessary to first close the valve 903 (the valve can be a stop valve) on the first pipeline 3 and the first liquid supply pipe 7, and then open the valve 903 (the valve can be a stop valve) on the heat storage inlet pipe 12 and the heat storage outlet pipe 13, and then connect the pipeline used to transport the high-temperature gas or high-temperature steam generated by the factory to the heat storage inlet pipe 12. The heat storage unit 102 is connected to the heat exchanger 1011. For the convenience of description, the following description is made using high-temperature gas or high-temperature steam. After the high-temperature gas or high-temperature steam enters the inlet main pipe 1011, the hot gas flows through the first heat exchange main pipe 1013, the heat exchange sub-pipe 1015, the second heat exchange main pipe 1014 and the outlet main pipe 1012 in sequence, and finally is discharged from the heat storage outlet pipe 13. When the high-temperature gas or high-temperature steam flows through the heat exchange sub-pipe 1015, the high-temperature gas or high-temperature steam exchanges heat with the heat storage unit 102, so that the heat storage unit 102 starts to store heat. In this embodiment, the heat release operation and the heat storage operation of the heat storage 1 can share a set of heat exchange tubes 101. In this way, the space occupied by a set of heat exchange tubes can be reduced in the limited heat storage body space. At the same time, the heat storage capacity can be increased by increasing the volume or number of heat storage materials or the heat exchange area can be increased by increasing the number of heat exchange sub-pipes 1015.

[0059] Another embodiment of the heat storage device 1 for heat storage operation is shown in FIG. Figure 1 As shown, the heat storage device also includes an electric heater 14, a heating tube of the electric heater 14 is at least partially inserted into the heat storage unit 102, and valley electricity can be used to power the electric heater 14, thereby heating and storing energy in the heat storage unit 102 through the heating tube.

[0060] On the basis of the above technical solution, the second aspect of the present disclosure further provides a mobile heat storage device, comprising a vehicle 6 and a heat storage device according to the above first aspect or any embodiment of the above first aspect, which is arranged on the vehicle 6. By transporting the heat storage device in a vehicle-mounted form, the needs of different customers can be fully met, thereby improving the flexibility of use of the heat storage device.

[0061] The present disclosure exemplarily describes the process of long-distance heat transport using mobile heat storage and heating technology. The heat storage device can be installed on a vehicle 6. When the heat storage device needs to be used for heat storage, the vehicle carrying the heat storage device can be driven to the location of the waste heat source, such as a factory, and then the heat storage unit 102 in the heat storage device is heated, that is, the heat is stored by the heat storage unit 102. After the storage is completed, the heat storage device is moved by the vehicle to the location where the heat stored by the heat storage unit 102 is needed, thereby completing the utilization of the heat (water is heat exchanged with the heat storage unit 102 to obtain steam). Specifically, when applied to industrial production, the pressure regulating device 40 installed on the steam exhaust pipe 4 can be adjusted according to the actual needs of the industrial production process (different production operations require different steam temperatures). 1 is used to adjust the parameters until the steam pressure value inside the steam-water rebalance separator 2 reaches the value set by the pressure regulating device 401, the pressure regulating device 401 is opened, and the steam in the gas-liquid balance separator 2 is discharged, thereby meeting the demand for steam temperature in industrial production. At the same time, in the present disclosure, the flow rate of the superheated steam flowing in the first pipeline 3 can also be adjusted by the first flow regulating device 301, that is, the total amount of superheated steam flowing into the steam-water rebalance separator 2 within a period of time is controlled, thereby controlling the amount of saturated steam produced by the steam-water rebalance separator 2. In this way, it can be achieved to a certain extent that high-quality saturated steam is discharged through the steam discharge pipe 4 within a period of time (the temperature and flow rate of the saturated steam discharged within a period of time do not fluctuate greatly).

[0062] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0063] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0064] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A heat storage device, characterized in that: include: A heat storage device, comprising a heat exchange tube and a heat storage unit, wherein the heat exchange tube runs through the heat storage unit so that the liquid flowing through the heat exchange tube can absorb the heat of the heat storage unit and then evaporate; The steam-water rebalance separator comprises a gas inlet, a gas outlet and a liquid inlet, wherein the gas inlet is connected to the outlet of the heat exchange tube through a first pipeline, the gas outlet is connected to a steam discharge pipe for discharging saturated steam treated by the steam-water rebalance separator, and the liquid inlet is connected to a second liquid supply pipe for supplying liquid to the steam-water rebalance separator; A first flow regulating device, disposed on the first pipeline; and A pressure regulating device is arranged on the steam discharge pipe and is configured to be opened to discharge the saturated steam when the saturated steam in the steam discharge pipe reaches a set pressure.

2. The heat storage device according to claim 1, characterized in that: The heat storage device comprises a first liquid supply pipe connected to the inlet of the heat exchange pipe, the first liquid supply pipe is provided with a second flow regulating device, and the second flow regulating device comprises a first liquid supply pump and / or a first flow regulating valve; and / or The second liquid supply pipe is provided with a third flow regulating device, and the third flow regulating device includes a second liquid supply pump and / or a second flow regulating valve.

3. The heat storage device according to claim 2, characterized in that: The heat storage device comprises a liquid supply main pipe, and the liquid supply main pipe is communicated with an inlet of the first liquid supply pipe and an inlet of the second liquid supply pipe respectively.

4. The heat storage device according to claim 3, characterized in that: The heat storage device includes a water tank and a connecting pipe connected to the water tank, the connecting pipe is respectively connected to the liquid supply main pipe, the inlet of the first liquid supply pipe and the inlet of the second liquid supply pipe, and the liquid supply main pipe, the first liquid supply pipe, the second liquid supply pipe and the connecting pipe are each provided with a stop valve.

5. The heat storage device according to claim 4, characterized in that: The heat storage device further includes a first bypass pipe, which is connected between the water tank and the first liquid supply pipe, and a first overflow valve is provided on the first bypass pipe.

6. The heat storage device according to claim 4, characterized in that: The heat storage device includes a shell, the heat storage device, the steam-water rebalance separator and the water tank are all arranged in the shell, the outlet of the steam exhaust pipe extends to the outside of the shell, the liquid supply main pipe passes through the shell, and the inlet of the liquid supply main pipe is located outside the shell.

7. The heat storage device according to claim 1, characterized in that: The heat storage unit includes a heat storage material, wherein the heat storage material includes a carbonaceous component and a graphite component, or the heat storage material includes a carbonaceous component, a graphite component and inorganic oxide particles.

8. The heat storage device according to claim 7, characterized in that: The carbonaceous component includes amorphous carbon, the graphite component includes at least one of natural graphite and artificial graphite, and the inorganic oxide particles include at least one of silicon oxide, boron oxide, zirconium oxide, titanium oxide and silicon carbide.

9. The heat storage device according to claim 7 or 8, characterized in that: Based on the total weight of the heat storage material, the amount of the carbonaceous component is 8-30% by weight, the amount of the graphite component is 70-92% by weight, and the amount of the inorganic oxide particles is 0-15% by weight.

10. The heat storage device according to claim 7, characterized in that: The heat storage device comprises a protective shell, the heat storage unit is arranged in the protective shell, the inlet and outlet of the heat exchange tube are located outside the protective shell, and the protective shell is provided with a carbon monoxide sensor for detecting carbon monoxide in the protective shell.

11. The heat storage device according to claim 10, characterized in that: The protective shell is filled with protective gas, and a pressure sensor for detecting the pressure inside the protective shell is arranged on the protective shell.

12. The heat storage device according to claim 10, characterized in that: The heat exchange tubes include an inlet main pipe, an outlet main pipe, a first heat exchange mother pipe, a second heat exchange mother pipe and heat exchange sub-tubes. There are multiple first heat exchange mother pipes, which are arranged side by side and are all connected to the inlet main pipe. There are multiple second heat exchange mother pipes, which are arranged side by side and are all connected to the outlet main pipe. The multiple first heat exchange mother pipes and the multiple second heat exchange mother pipes are respectively located on the opposite outer sides of the protective shell and are arranged symmetrically. The symmetrically arranged first heat exchange mother pipes and the second heat exchange mother pipes are both connected with multiple heat exchange sub-tubes that penetrate the protective shell and are arranged side by side. The outlet main pipe is connected to the first pipeline, and the inlet main pipe is connected to the first liquid supply pipe.

13. The heat storage device according to claim 1, characterized in that: The heat storage device also includes a heat storage inlet pipe and a heat storage outlet pipe, wherein the heat storage inlet pipe is connected to the inlet of the heat exchange tube and is used to provide heat storage gas to the heat exchange tube so that the heat storage unit can absorb the heat of the heat storage gas, and the heat storage outlet pipe is connected to the outlet of the heat exchange tube.

14. The heat storage device according to claim 1, characterized in that: The heat storage device further comprises an electric heater, a heating tube of which is at least partially inserted into the heat storage unit.

15. A mobile heat storage device, characterized in that: The invention comprises a vehicle and a heat storage device according to any one of claims 1 to 14 arranged on the vehicle.

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