High-temperature powder heat exchanger

Abstract

The invention discloses a high-temperature powder heat exchanger, and relates to the technical field of heat exchangers. A drainage pipe set is installed on a second stock bin mechanism, heat exchange flow channels are installed between heat exchange material pipes in a sleeving mode, the heat exchange flow channels arranged up and down are connected in series, the drainage pipe set communicates with the corresponding heat exchange flow channels, and discharging channels communicate with the corresponding heat exchange material pipes. High-temperature powder falling into the material guiding channels enters the corresponding heat exchange material pipes, a flow inlet pipeline is installed at a top opening of the heat exchange flow channel on the upper portion, the bottom of the water storage tank communicates with a self-flowing heat exchange water pipe connected with the flow inlet pipeline, and a heat exchange air pipe is installed on the self-flowing heat exchange water pipe. Water in the heat exchange runners is pushed by airflow to flow, a water film is attached to the inner wall of the heat exchange cavity flowing through the airflow, evaporation of the water film is achieved under the action of the airflow, and therefore evaporation heat exchange of all the heat exchange material pipes is achieved, and compared with a traditional continuous ventilation or circulating water heat exchange mode, the energy consumption and the water resource requirement are reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of heat exchangers, and particularly relates to a high-temperature powder heat exchanger. Background Art

[0002] In industries such as metallurgy, mining, chemical engineering, machinery, and manufacturing, it is generally necessary to use equipment such as calcining furnaces and hot blast stoves to heat materials to a high temperature state, while the subsequent processes such as the transportation, storage, and packaging of high-temperature materials need to be carried out in a medium- and low-temperature environment. Therefore, in the process of powder processing, a special heat exchanger used for cooling high-temperature powder is particularly important.

[0003] Most of the existing high-temperature powder heat exchange equipment completely uses air as the heat exchange medium, and the heat transfer is completed through the direct contact between the air flow and the heat exchange pipeline, thereby realizing the heat exchange and cooling of high-temperature powder. The heat exchange method that only uses air as the heat exchange medium results in poor heat exchange effect. Although the use of a circulation pump to realize the circulating flow of water can improve the heat exchange effect, the continuous operation of the circulation pump leads to an increase in power consumption and water resource consumption, and the energy-saving purpose in the heat exchange process cannot be achieved.

[0004] Therefore, we provide a brand-new high-temperature powder heat exchanger to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-temperature powder heat exchanger. Through the specific structural design of the first bin mechanism, the second bin mechanism, the heat exchange mechanism, the powder guiding component, the heat exchange component, the heat exchange fluid supply component, the feed bin component, the housing component, and the inlet pipeline, the problems of poor heat exchange effect of the existing high-temperature powder heat exchange equipment, easy increase in power consumption and water resource consumption, and inability to achieve the energy-saving purpose in the heat exchange process are solved.

[0006] To solve the above technical problems, the present invention is realized through the following technical solutions: The present invention is a high-temperature powder heat exchanger, including a first bin mechanism and a second bin mechanism; at least two heat exchange mechanisms are installed between the first bin mechanism and the second bin mechanism; the first bin mechanism includes a powder guiding component, and the powder guiding component includes a plurality of guiding channels arranged in a circumferential array, and the guiding channels are used to convey high-temperature powder downward; the second bin mechanism includes discharge channels arranged in a circumferential array and corresponding one-to-one with the guiding channels, and a discharge pipe group is installed on the second bin mechanism, and the discharge channels are used to output and collect the powder after heat exchange; the heat exchange mechanism includes a heat exchange component, and the heat exchange component includes a heat exchange flow channel and a plurality of heat exchange material pipes arranged in a circumferential array, the heat exchange flow channel is sleeved and installed between each heat exchange material pipe, and the upper and lower heat exchange flow channels are connected in series, and the discharge pipe group is communicated with the corresponding heat exchange flow channel; the discharge channels are communicated with the corresponding heat exchange material pipes, and the high-temperature powder falling in the guiding channels enters the corresponding heat exchange material pipes, and an inlet flow pipe is installed at the top of the upper heat exchange flow channel; a heat exchange supply component coaxial with it is installed below the first bin mechanism, and the heat exchange supply component includes a water storage tank, a gravity flow heat exchange water pipe connected to the inlet flow pipe is communicated at the bottom of the water storage tank, and a heat exchange gas pipe is installed on the gravity flow heat exchange water pipe.

[0007] In some embodiments, the first bin mechanism further includes a feed bin component; wherein, the feed bin component includes a first storage bin, a feed bin is installed at the top of the first storage bin, a guiding hopper is fixedly arranged on the inner wall of the feed bin, a first support plate is fixedly arranged on the inner wall of the first storage bin, and a first material dropping opening corresponding one-to-one with the guiding channels is arranged on the surface of the first support plate.

[0008] In some embodiments, the powder guiding component further includes a linkage shaft rotatably connected to the first support plate, a conical guiding platform fixed to the linkage shaft is attached to the top of the first support plate, a plurality of material guiding plates are arranged in a circumferential array on the circumferential side of the conical guiding platform, and the bottom of the material guiding plate is slidably attached to the top of the first support plate; a second support plate rotatably arranged on the inner wall of the first storage bin and fixed to the linkage shaft is provided, the guiding channels are fixedly installed on the second support plate, an arc-shaped sealing plate is fixed between adjacent two guiding channels, the top surface of the arc-shaped sealing plate is flush with the top surface of the guiding channel, the top of the arc-shaped sealing plate is attached to the bottom of the first support plate, and a gear disk coaxial with it is arranged below the second support plate, and the guiding channels are fixedly installed on the gear disk.

[0009] In some embodiments, the second bin mechanism further includes a second storage bin, an outlet bin is installed at the bottom of the second storage bin, a third support plate and a fourth support plate are fixed on the inner wall of the second storage bin, the discharge channel is installed between the third support plate and the fourth support plate, the drain pipe group includes a sealed diversion cover fixed on the top of the fourth support plate, and a drain pipe is installed on the circumferential side of the second storage bin and is communicated with the sealed diversion cover.

[0010] In some embodiments, the heat exchange mechanism further includes a housing assembly; wherein, the housing assembly includes a heat exchange shield, a fifth support plate is fixedly arranged on the inner wall of the heat exchange shield, a plurality of second material dropping ports are circumferentially and arrayedly arranged on the surface of the fifth support plate, the top of the fifth support plate is closely attached to the bottoms of the respective heat exchange pipes above it, the bottom of the fifth support plate is closely attached to the tops of the respective heat exchange pipes below it, the bottom of the material guiding channel is closely attached to the top of the fifth support plate below it, and the third support plate is closely attached to the bottoms of the respective heat exchange pipes above it.

[0011] In some embodiments, the heat exchange assembly further includes a mounting plate installed on the inner wall of the heat exchange shield, the heat exchange flow path includes heat exchange pipes corresponding to the heat exchange tubes one by one, the heat exchange pipes are fixedly arranged on the mounting plate, the heat exchange pipes are fixedly sleeved on the corresponding heat exchange tubes, and a heat exchange cavity is provided between the heat exchange pipes and the corresponding heat exchange tubes; a plurality of upper conduction pipes are arranged above the mounting plate, a plurality of lower conduction pipes are arranged below the mounting plate, the upper conduction pipes are communicated with the tops of the heat exchange pipes on both sides of them, the lower conduction pipes are communicated with the bottoms of the heat exchange pipes on both sides of them, and a flow turning pipe is fixedly arranged at the bottom of the mounting plate; an input pipe communicated with the bottom of the heat exchange pipe at the head end of the heat exchange flow path is fixed on the mounting plate, a guide pipe is connected to the bottom of the heat exchange pipe at the tail end of the heat exchange flow path, the guide pipe is communicated with the flow turning pipe, and an output pipe is communicated with the bottom of the flow turning pipe.

[0012] In some embodiments, the input pipes and the output pipes between adjacent two heat exchange flow paths are hermetically connected, the inlet pipe is installed on the heat exchange shield and is hermetically connected to the upper input pipe, the sealed diversion cover is hermetically connected to the lower output pipe, and a number of first heat exchange fins and second heat exchange fins with opposite inclination directions are arrayed on the inner wall of the heat exchange tube.

[0013] In some embodiments, the heat exchange and flow supply assembly also includes a supporting frame installed on the corresponding heat exchange shield, the water tank is installed on the top of the supporting frame, a heat exchange air supply device is installed on the top of the water tank, the heat exchange air pipe is arranged between the heat exchange air supply device and the gravity water exchange pipe, an electromagnetic valve is installed on the gravity water exchange pipe, the heat exchange air pipe is between the inlet pipe and the electromagnetic valve, a water inlet pipe is installed on the side surface of the water tank close to the top position, a meshing opening is opened on the side surface of the heat exchange shield corresponding to the gear disk, and the output end of the stepper motor installed on the supporting frame is connected to a power gear, and the power gear is meshed with the gear disk through the meshing opening.

[0014] The present invention has the following beneficial effects: 1. The present invention continuously transports heat exchange air into the inlet pipe through the heat exchange air pipe and the gravity-flowing water exchange water pipe. The heat exchange air entering the inlet pipe continuously flows through each heat exchange cavity in each heat exchange flow channel. In this process, the water in the heat exchange flow channel is driven by the airflow to continuously flow. A water film is attached to the inner wall of the heat exchange cavity through which the water flows, thereby realizing water-cooling heat exchange of each heat exchange material pipe in the entire heat exchange flow channel. Subsequently, the water film is evaporated under the action of the air flow, thereby again realizing evaporative heat exchange of each heat exchange material pipe in the entire heat exchange flow channel. Compared with the traditional continuous ventilation or circulating water heat exchange method, the present application not only reduces energy consumption and water resource requirements, but also greatly increases the heat exchange effect of each heat exchange material pipe on the entire heat exchange flow channel.

[0015] The present invention opens the solenoid valve through timed control, so that the quantitative cooling water in the water tank can flow along the gravity-flow hot water pipe and the inlet pipe into the heat exchange cavity at the head end of the upper heat exchange channel. Under the action of the airflow, the cooling water can flow in series between the various heat exchange channels. In this way, it is only necessary to open the solenoid valve through timed control to realize the gravity replenishment of the quantitative cooling water in the heat exchange channel. Compared with the continuous water supply method through a circulating pump, the purpose of energy saving is achieved by relying on the gravity flow of cooling water in the present application.

[0016] The present invention controls the power gear through a stepper motor to drive the entire powder guide assembly to rotate 30°, so that the guide channel is separated from the second material drop port and concentrically aligned with the first material drop port, and the high-temperature powder enters each guide channel under the action of its own fluidity, thereby completing the high-temperature powder feeding of each guide channel. After the feeding time set by the control system is reached, the control system controls the entire powder guide assembly to rotate 30° again, so that the guide channel storing the high-temperature powder is concentrically aligned with the second material drop port again. Such control method realizes intermittent feeding of each guide channel, ensuring that there is a certain speed difference between the front and rear batches of high-temperature powder falling along the guide channel, thereby effectively avoiding the blockage problem of the discharge port caused by the large-scale falling of high-temperature powder, and at the same time ensuring the fluidity of the high-temperature powder in each guide channel.

[0017] With the provision of the first heat exchange fin and the second heat exchange fin in the present invention, the high-temperature powder falling into the heat exchange material pipe slides along each of the first heat exchange fins and the second heat exchange fins, thereby prolonging the residence time of the falling high-temperature powder in the heat exchange material pipe, which is conducive to improving the heat exchange and cooling effect on the falling high-temperature powder, and effectively avoiding the poor heat exchange and cooling effect caused by the too fast falling speed of the high-temperature powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of the high-temperature powder heat exchanger in the present invention.

[0020] Figure 2 It is an internal structural diagram of the high-temperature powder heat exchanger in the present invention.

[0021] Figure 3 It is Figure 2 a partial enlarged structural view of part A in

[0022] Figure 4 It is a schematic structural diagram of the first bin mechanism in the present invention.

[0023] Figure 5 It is a schematic structural diagram of the feed bin assembly in the present invention.

[0024] Figure 6 It is a schematic structural diagram of the powder guiding assembly in the present invention.

[0025] Figure 7 It is a cross-sectional view of the powder guiding assembly in the present invention.

[0026] Figure 8 It is a cross-sectional view of the second bin mechanism in the present invention.

[0027] Figure 9 It is an internal structural diagram of the heat exchange mechanism in the present invention.

[0028] Figure 10 It is a schematic structural diagram of the cover assembly in the present invention.

[0029] Figure 11 It is a schematic structural diagram of the heat exchange component in the present invention.

[0030] Figure 12 It is a state diagram of the heat exchange component in different angles in the present invention.

[0031] Figure 13 This is a structural sectional view of the heat exchange pipeline in the present invention.

[0032] Figure 14 This is a schematic structural diagram of the heat exchange fluid supply assembly in the present invention.

[0033] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1 - First silo mechanism, 2 - Second silo mechanism, 3 - Heat exchange mechanism, 4 - Powder feeding component, 5 - Heat exchange component, 6 - Heat exchange fluid supply component, 7 - Feed bin component, 8 - Cover component, 9 - Inflow pipeline, 201 - Discharge channel, 202 - Second storage bin, 203 - Discharge bin, 204 - Third support plate, 205 - Fourth support plate, 206 - Sealed diversion hood, 207 - Drainage pipeline, 401 - Feeding channel, 402 - Linkage shaft, 403 - Conical feeding table, 404 - Pushing plate, 405 - Second support plate, 406 - Arc-shaped sealing plate, 407 - Tooth disc, 501 - Heat exchange material pipe, 502 - Mounting plate, 503 - Heat exchange pipeline, 504 - Heat exchange cavity, 505 - Upper conduction pipe, 506 - Lower conduction pipe, 507 - Flow diversion pipe, 508 - Input pipeline, 509 - Diversion pipe, 510 - Output pipeline, 511 - First heat exchange fin, 512 - Second heat exchange fin, 601 - Water storage tank, 602 - Gravity flow heat exchange water pipe, 603 - Heat exchange gas pipe, 604 - Carrier frame, 605 - Heat exchange gas supply device, 606 - Solenoid valve, 607 - Water inlet connection pipe, 608 - Stepper motor, 609 - Power gear, 701 - First storage bin, 702 - Feed bin, 703 - Feeding hopper, 704 - First support plate, 705 - First discharge opening, 801 - Heat exchange shield, 802 - Fifth support plate, 803 - Second discharge opening. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0035] For the first specific embodiment, please refer to Figures 1-14, the present invention is a high-temperature powder heat exchanger, which includes a first bin mechanism 1 and a second bin mechanism 2; at least two heat exchange mechanisms 3 are installed between the first bin mechanism 1 and the second bin mechanism 2 to extend the falling path of the high-temperature powder so as to improve the heat exchange effect; the first bin mechanism 1 includes a powder guiding component 4, and the powder guiding component 4 includes a plurality of guiding channels 401 arranged in a circumferential array, and the guiding channels 401 are used to convey the high-temperature powder downward; the second bin mechanism 2 includes discharge channels 201 arranged in a circumferential array and corresponding to the guiding channels 401 one by one, and a discharge pipe group is installed on the second bin mechanism 2, and the discharge channels 201 are used to output and collect the powder after heat exchange.

[0036] The heat exchange mechanism 3 includes a heat exchange component 5, and the heat exchange component 5 includes a heat exchange flow channel and a plurality of heat exchange tubes 501 arranged in a circumferential array. The heat exchange flow channel is sleeved and installed between each heat exchange tube 501, and the upper and lower heat exchange flow channels are connected in series. The discharge pipe group is communicated with the corresponding heat exchange flow channel. Thus, the heat exchange effect can be improved by the flow of water and air between each heat exchange flow channel; the discharge channel 201 is communicated with the corresponding heat exchange tube 501, and the high-temperature powder falling in the guiding channel 401 enters the corresponding heat exchange tube 501. An inlet flow pipe 9 is installed at the top opening of the upper heat exchange flow channel; a heat exchange supply component 6 coaxial with it is installed below the first bin mechanism 1, and the heat exchange supply component 6 includes a water storage tank 601. A self-flow heat exchange water pipe 602 connected to the inlet flow pipe 9 is communicated at the bottom of the water storage tank 601, and a heat exchange air pipe 603 is installed on the self-flow heat exchange water pipe 602.

[0037] In some embodiments, as Figure 4 , Figure 5 , Figure 6 and Figure 7 shown, the first bin mechanism 1 further includes a feed bin component 7; wherein, the feed bin component 7 includes a first storage bin 701, a feed bin 702 is installed at the top of the first storage bin 701 (connected by fasteners), a guide hopper 703 is fixedly arranged on the inner wall of the feed bin 702, a first support plate 704 is fixedly arranged on the inner wall of the first storage bin 701, and a first material dropping port 705 corresponding to the guiding channel 401 one by one is arranged on the surface of the first support plate 704. The high-temperature powder in the feed bin 702 slides down along the guide hopper 703 to each first material dropping port 705, and then the high-temperature powder can enter the inside of the guiding channel 401 through the first material dropping port 705.

[0038] Further, the powder feeding assembly 4 further includes a linkage shaft 402 rotatably connected to the first support disk 704. A conical feeding table 403 fixed to the linkage shaft 402 is attached to the top of the first support disk 704. A plurality of feeding plates 404 are circumferentially and arrayedly arranged on the circumferential side surface of the conical feeding table 403, and the bottom of the feeding plate 404 is slidably attached to the top of the first support disk 704. A second support disk 405 fixed to the linkage shaft 402 is rotatably arranged on the inner wall of the first storage bin 701. The feeding channel 401 is fixedly installed on the second support disk 405. An arc-shaped sealing plate 406 is fixed between adjacent two feeding channels 401. The top surface of the arc-shaped sealing plate 406 is flush with the top surface of the feeding channel 401. The top of the arc-shaped sealing plate 406 is attached to the bottom of the first support disk 704. A gear disk 407 coaxial with the second support disk 405 is arranged below the second support disk 405. The feeding channel 401 is fixedly installed on the gear disk 407. When the feeding channel 401 is concentrically aligned with the corresponding first material dropping port 705, the high-temperature powder in the feeding bin 702 can slide along the feeding hopper 703, the conical feeding table 403, and the first material dropping port 705 into the interiors of the respective feeding channels 401.

[0039] In some embodiments, as Figure 8 shown, the second bin mechanism 2 further includes a second storage bin 202. A discharge bin 203 is installed at the bottom of the second storage bin 202. A third support disk 204 and a fourth support disk 205 are fixed to the inner wall of the second storage bin 202. The discharge channel 201 is installed between the third support disk 204 and the fourth support disk 205. The drainage pipe group includes an airtight diversion cover 206 fixed to the top of the fourth support disk 205. A drainage pipeline 207 communicated with the airtight diversion cover 206 is installed on the circumferential side surface of the second storage bin 202. The high-temperature powder in each feeding channel 401 sequentially passes through each heat exchange material pipe 501 from top to bottom and drops into each discharge channel 201, and then is discharged from each discharge channel 201 and converges into the discharge bin 203 (in this process, the high-temperature powder completes heat exchange and temperature reduction), and finally the high-temperature powder that has completed heat exchange and temperature reduction is discharged from the discharge bin 203 to achieve collection.

[0040] In some embodiments, as Figure 9 and Figure 10As shown, the heat exchange mechanism 3 further includes a housing assembly 8. Among them, the housing assembly 8 includes a heat exchange shield 801 (the heat exchange shields 801 at all levels up and down are connected by fasteners, the second storage bin 202 is connected to the heat exchange shield 801 at its top by fasteners, and the first storage bin 701 is connected to the heat exchange shield 801 at its bottom by fasteners). A fifth support plate 802 is fixedly arranged on the inner wall of the heat exchange shield 801. A plurality of second material discharge ports 803 are circumferentially and arrayedly arranged on the surface of the fifth support plate 802 (the second material discharge ports 803 are concentrically aligned with the corresponding heat exchange pipes 501 to ensure that the high-temperature powder can pass through the second material discharge ports 803 and fall into the heat exchange pipes 501 below). The top of the fifth support plate 802 is in close contact with the bottoms of the heat exchange pipes 501 above it, the bottom of the fifth support plate 802 is in close contact with the tops of the heat exchange pipes 501 below it, the bottom of the material guiding channel 401 is in close contact with the top of the fifth support plate 802 below it, and the third support plate 204 is in close contact with the bottoms of the heat exchange pipes 501 above it. Through the above connection structure, it can be ensured that the high-temperature powder falls and moves downward along the heat exchange pipes 501 one by one.

[0041] In some embodiments, as Figure 9 and Figure 11 shown, the heat exchange assembly 5 further includes a mounting plate 502 (connected by fasteners) mounted on the inner wall of the heat exchange shield 801. The heat exchange flow path includes heat exchange pipes 503 corresponding to the heat exchange pipes 501 one by one. The heat exchange pipes 503 are fixedly arranged on the mounting plate 502. The heat exchange pipes 503 are fixedly sleeved on the corresponding heat exchange pipes 501. A heat exchange cavity 504 is provided between the heat exchange pipes 503 and the corresponding heat exchange pipes 501. A plurality of upper conduction pipes 505 are arranged above the mounting plate 502, and a plurality of lower conduction pipes 506 are arranged below the mounting plate 502. The upper conduction pipes 505 are communicated with the tops of the heat exchange pipes 503 on both sides of them, and the lower conduction pipes 506 are communicated with the bottoms of the heat exchange pipes 503 on both sides of them. A flow turning pipe 507 is fixedly arranged at the bottom of the mounting plate 502. The flow paths of the air flow and the water flow between the heat exchange pipes 503 on the heat exchange assembly 5 are as Figure 12 shown, Figure 12 The left top view in Figure 11 is the structural top view, and the right bottom view in Figure 11 is the structural bottom view.

[0042] An input pipe 508 communicating with the bottom of the heat exchange pipe 503 at the head end of the heat exchange flow path (that is, Figure 12 the heat exchange pipe 503 on the right side of the water inlet position or the heat exchange pipe 503 on the right side of the water outlet position in Figure 12A diversion pipe 509 is connected to the bottom of the heat exchange pipe 503 below the middle water inlet position or the heat exchange pipe 503 above the water outlet position. The diversion pipe 509 is communicated with the flow turning pipe 507, and an output pipe 510 is communicated with the bottom of the flow turning pipe 507. When the water flow or air flow enters the heat exchange cavity 504 of the heat exchange pipe 503 at the head end of the heat exchange flow path through the input pipe 508, the water flow or air flow moves counterclockwise. First, it flows upward from the first heat exchange cavity 504 and enters the second heat exchange cavity 504 along the first upper conduction pipe 505. Then, it flows downward from the second heat exchange cavity 504 and enters the third heat exchange cavity 504 along the first lower conduction pipe 506. Then, it flows upward from the third heat exchange cavity 504 and enters the fourth heat exchange cavity 504 along the second upper conduction pipe 505. Then, it flows downward from the fourth heat exchange cavity 504 and enters the fifth heat exchange cavity 504 along the second lower conduction pipe 506. Then, it flows upward from the fifth heat exchange cavity 504 and enters the last heat exchange cavity 504 along the third upper conduction pipe 505. Then, it flows downward from the last heat exchange cavity 504 and flows out through the diversion pipe 509, the flow turning pipe 507 and the output pipe 510.

[0043] A certain amount of cooling water in the water storage tank 601 is conveyed to the heat exchange cavity 504 of the heat exchange pipe 503 at the head end of the heat exchange flow path through the gravity flow heat exchange water pipe 602. The high-temperature powder in the feed bin 702 slides down along the material guiding hopper 703, the conical material guiding table 403 and the first material dropping port 705 into the internal of each material guiding channel 401, and during the falling movement along the heat exchange material pipe 501, heat exchange air is continuously conveyed into the inlet pipe 9 through the heat exchange air pipe 603 and the gravity flow heat exchange water pipe 602. The heat exchange air entering the inlet pipe 9 continuously flows through the upper heat exchange flow path in the counterclockwise direction (i.e., continuously flows through each heat exchange cavity 504 in the upper heat exchange flow path). During this process, the water body in the heat exchange flow path is continuously pushed by the air flow to flow. A water film adheres to the inner wall of the passed heat exchange cavity 504 (i.e., a water film adheres to both the inner wall of the heat exchange pipe 503 and the outer wall of the heat exchange material pipe 501). This process realizes the water-cooling heat exchange of each heat exchange material pipe 501 in the entire heat exchange flow path. Subsequently, under the action of the air flow, the evaporation of the water film is realized, and thus the evaporation heat exchange of each heat exchange material pipe 501 in the entire heat exchange flow path is realized again, thereby greatly increasing the heat exchange effect on each heat exchange material pipe 501 in the entire heat exchange flow path (i.e., improving the heat exchange effect on the high-temperature powder in each heat exchange material pipe 501 flowing through the upper part).

[0044] The water body flowing out from the output pipe 510 on the upper heat exchange flow path enters the heat exchange cavity 504 at the upper end of the lower heat exchange flow path through the lower input pipe 508, and continuously flows through the lower heat exchange flow path in the counterclockwise direction (i.e., continuously flows through each heat exchange cavity 504 in the lower heat exchange flow path). In this process, the water body in the heat exchange flow path is continuously pushed by the air flow. A water film adheres to the inner wall of the heat exchange cavity 504 that has passed through (i.e., a water film adheres to both the inner wall of the heat exchange pipe 503 and the outer wall of the heat exchange material pipe 501). This process realizes the water-cooled heat exchange of each heat exchange material pipe 501 in the entire heat exchange flow path. Subsequently, under the action of the air flow, the evaporation of the water film is realized, thereby realizing the evaporation heat exchange of each heat exchange material pipe 501 in the entire heat exchange flow path again, thus greatly increasing the heat exchange effect on each heat exchange material pipe 501 on the entire heat exchange flow path (i.e., improving the heat exchange effect on the high-temperature powder flowing through each heat exchange material pipe 501 below). In this way, the heat exchange process of each heat exchange material pipe 501 on the series trajectory from top to bottom is realized, which is beneficial to improving the heat exchange and cooling effect of the high-temperature powder falling by gravity. The remaining water body and the air flow after flowing through the lower heat exchange flow path are discharged through the lower output pipe 510, the closed diversion cover 206, and the drainage pipe 207.

[0045] Specific Embodiment 2. On the basis of Specific Embodiment 1, as Figure 13 shown, the input pipe 508 and the output pipe 510 between adjacent heat exchange flow paths are hermetically connected. The inflow pipe 9 is installed on the heat exchange shield 801 and is hermetically connected to the upper input pipe 508. The closed diversion cover 206 is hermetically connected to the lower output pipe 510. A number of first heat exchange fins 511 and second heat exchange fins 512 with opposite inclination directions are arranged in an array on the inner wall of the heat exchange material pipe 501. Through the arrangement of the first heat exchange fins 511 and the second heat exchange fins 512, the high-temperature powder falling into the heat exchange material pipe 501 slides along each first heat exchange fin 511 and second heat exchange fin 512, thereby prolonging the residence time of the falling high-temperature powder in the heat exchange material pipe 501, which is beneficial to improving the heat exchange and cooling effect on the falling high-temperature powder, and effectively avoiding the poor heat exchange and cooling effect caused by the too fast falling speed of the high-temperature powder.

[0046] In some implementation schemes, such as Figure 14As shown, the heat exchange and fluid supply assembly 6 further includes a carrier 604 (connected by fasteners) mounted on the corresponding heat exchange shield 801. The water storage tank 601 is installed on the top of the carrier 604. A heat exchange air supply device 605 (conventional equipment) is installed on the top of the water storage tank 601. The heat exchange air pipe 603 is arranged between the heat exchange air supply device 605 and the gravity-flow heat exchange water pipe 602. A solenoid valve 606 is installed on the gravity-flow heat exchange water pipe 602. The heat exchange air pipe 603 is between the inlet pipe 9 and the solenoid valve 606. An inlet water connection pipe 607 is installed on the peripheral side of the water storage tank 601 near the top (the water storage tank 601 can be filled with cooling water through the inlet water connection pipe 607). A meshing through-hole is provided on the peripheral side of the heat exchange shield 801 corresponding to the gear disk 407. The output end of the stepping motor 608 installed on the carrier 604 is connected with a driving gear 609. The driving gear 609 meshes with the gear disk 407 through the meshing through-hole. When the solenoid valve 606 is controlled to open, a certain amount of cooling water in the water storage tank 601 can flow by gravity along the gravity-flow heat exchange water pipe 602 into the inlet pipe 9. After the water supply is completed, the solenoid valve 606 is controlled to close.

[0047] In the initial state, the material guiding channel 401 is misaligned with the first blanking port 705, and the second blanking port 803 is concentrically aligned with the material guiding channel 401. The solenoid valve 606 is opened for a set time by the control system, so that a certain amount of cooling water in the water storage tank 601 flows by gravity along the gravity-flow heat exchange water pipe 602 and the inlet pipe 9 into the heat exchange cavity 504 at the upper end of the upper heat exchange flow channel. Subsequently, the solenoid valve 606 is controlled to close and the stepping motor 608 is started. The driving gear 609 is controlled by the stepping motor 608 to drive the entire powder material guiding assembly 4 to rotate 30°, so that the material guiding channel 401 is disengaged from the second blanking port 803 and concentrically aligned with the first blanking port 705. The high-temperature powder enters into each material guiding channel 401 under the action of its own fluidity. Thus, the feeding of the high-temperature powder into each material guiding channel 401 is completed. After reaching the feeding time set by the control system, the control system controls the entire powder material guiding assembly 4 to rotate 30° again, so that the material guiding channel 401 storing the high-temperature powder is concentrically aligned with the second blanking port 803 again. At the same time, the heat exchange air supply device 605 is controlled to be opened, so that the air flow continuously enters into the inlet pipe 9 along the heat exchange air pipe 603 and the gravity-flow heat exchange water pipe 602. The water body is pushed by the air flow to flow along each heat exchange flow channel. In this process, the high-temperature powder in each material guiding channel 401 slides downward along the corresponding heat exchange material pipe 501 respectively, and the heat exchange and cooling of the high-temperature powder are realized under the evaporation heat exchange effect. Finally, a batch of high-temperature powder that has completed heat exchange and cooling is discharged from the discharge bin 203 for collection.

[0048] After reaching the heat exchange time set by the control system, the control system controls the solenoid valve 606 to open again, allowing a certain amount of cooling water to flow along the gravity flow heat exchange pipe 602 and the inlet pipe 9 to the heat exchange chamber 504 at the upper end of the upper heat exchange flow channel. Subsequently, the control system closes the solenoid valve 606 and starts the stepper motor 608. The power gear 609 is controlled by the stepper motor 608 to drive the entire powder feeding component 4 to rotate by 30°, so that the feeding channel 401 is disengaged from the second blanking port 803 again and concentrically aligned with the first blanking port 705. The high-temperature powder enters into each feeding channel 401 under the action of its own fluidity, thus completing the feeding of the high-temperature powder in each feeding channel 401 again. After reaching the feeding time set by the control system, the control system controls the entire powder feeding component 4 to rotate by 30° again, so that the feeding channel 401 storing the high-temperature powder is concentrically aligned with the second blanking port 803 again. At the same time, the control system controls the heat exchange air supply device 605 to start again, so that the air flow continuously enters the inlet pipe 9 along the heat exchange air pipe 603 and the gravity flow heat exchange pipe 602. The water body is pushed by the air flow to flow along each heat exchange flow channel. In this process, the high-temperature powder in each feeding channel 401 slides downward along the corresponding heat exchange material pipe 501, and the heat exchange and cooling of the high-temperature powder are realized under the evaporation heat exchange effect. Finally, a batch of high-temperature powder that has completed heat exchange and cooling is discharged from the discharge bin 203 for collection. According to the same control method described above, the heat exchange and cooling treatment of the high-temperature powder in the first storage bin 701 and the feeding bin 702 can be successively realized.

[0049] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0050] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical fields can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A high-temperature powder heat exchanger, comprising a first bin mechanism (1) and a second bin mechanism (2); characterized in that, At least two heat exchange mechanisms (3) are installed between the first silo mechanism (1) and the second silo mechanism (2); The first silo mechanism (1) includes a powder guiding component (4), and the powder guiding component (4) includes a plurality of guiding channels (401) arranged in a circumferential array. The guiding channels (401) are used for downwardly conveying high-temperature powder; The second silo mechanism (2) includes discharging channels (201) arranged in a circumferential array and corresponding one-to-one to the guiding channels (401). A discharge pipe group is installed on the second silo mechanism (2). The discharging channels (201) are used for outputting and collecting the powder that has completed heat exchange; The heat exchange mechanism (3) includes a heat exchange component (5), and the heat exchange component (5) includes a heat exchange flow channel and a plurality of heat exchange material pipes (501) arranged in a circumferential array. The heat exchange flow channel is sleeved and installed between the respective heat exchange material pipes (501). The upper and lower heat exchange flow channels are connected in series. The discharge pipe group is communicated with the corresponding heat exchange flow channel; The discharging channel (201) is communicated with the corresponding heat exchange material pipe (501). The high-temperature powder falling in the guiding channel (401) enters the corresponding heat exchange material pipe (501). An inlet flow pipe (9) is installed at the top opening of the upper heat exchange flow channel; A heat exchange supply flow component (6) coaxial with the first silo mechanism (1) is installed below the first silo mechanism (1). The heat exchange supply flow component (6) includes a water storage tank (601). A gravity flow heat exchange water pipe (602) connected to the inlet flow pipe (9) is communicated at the bottom of the water storage tank (601). A heat exchange air pipe (603) is installed on the gravity flow heat exchange water pipe (602).

2. The high-temperature powder heat exchanger according to claim 1, wherein The first silo mechanism (1) further includes a feed silo component (7); wherein, the feed silo component (7) includes a first storage silo (701). A feed silo (702) is installed at the top of the first storage silo (701). A guiding hopper (703) is fixedly arranged on the inner wall of the feed silo (702). A first support plate (704) is fixedly arranged on the inner wall of the first storage silo (701). A first material dropping port (705) corresponding one-to-one to the guiding channel (401) is arranged on the surface of the first support plate (704).

3. The high-temperature powder heat exchanger according to claim 2, characterized in that, The powder guiding component (4) further includes a linkage shaft (402) rotatably connected to the first support plate (704). A conical guiding table (403) fixed to the linkage shaft (402) is attached to the top of the first support plate (704). A plurality of material guiding plates (404) are arranged in a circumferential array on the circumferential side surface of the conical guiding table (403). The bottom of the material guiding plate (404) is slidably attached to the top of the first support plate (704); A second support disk (405) fixed to the linkage shaft (402) is rotatably provided on the inner wall of the first storage bin (701). The material guiding channel (401) is fixedly installed on the second support disk (405). An arc-shaped sealing plate (406) is fixed between two adjacent material guiding channels (401). The top surface of the arc-shaped sealing plate (406) is flush with the top surface of the material guiding channel (401). The top of the arc-shaped sealing plate (406) is fitted to the bottom of the first support disk (704). A gear disk (407) coaxial with the second support disk (405) is provided below the second support disk (405). The material guiding channel (401) is fixedly installed on the gear disk (407).

4. The high-temperature powder heat exchanger according to claim 3, characterized in that, The second bin mechanism (2) further includes a second storage bin (202). A discharge bin (203) is installed at the bottom of the second storage bin (202). A third support disk (204) and a fourth support disk (205) are fixed on the inner wall of the second storage bin (202). The discharge channel (201) is installed between the third support disk (204) and the fourth support disk (205). The drain pipe group includes an airtight diversion cover (206) fixed to the top of the fourth support disk (205). A drain pipe (207) communicating with the airtight diversion cover (206) is installed on the circumferential side of the second storage bin (202).

5. The high-temperature powder heat exchanger according to claim 4, characterized in that, The heat exchange mechanism (3) further includes a housing assembly (8). Among them, the housing assembly (8) includes a heat exchange shield (801). A fifth support disk (802) is fixedly provided on the inner wall of the heat exchange shield (801). A plurality of second material dropping openings (803) are circumferentially and arrayedly arranged on the surface of the fifth support disk (802). The top of the fifth support disk (802) is closely attached to the bottom of each heat exchange material pipe (501) above it. The bottom of the fifth support disk (802) is closely attached to the top of each heat exchange material pipe (501) below it. The bottom of the material guiding channel (401) is closely attached to the top of the fifth support disk (802) below it. The third support disk (204) is closely attached to the bottom of each heat exchange material pipe (501) above it.

6. The high-temperature powder heat exchanger according to claim 5, characterized in that, The heat exchange assembly (5) further includes a mounting disk (502) installed on the inner wall of the heat exchange shield (801). The heat exchange flow path includes heat exchange pipes (503) corresponding to the heat exchange material pipes (501) one by one. The heat exchange pipes (503) are fixedly provided on the mounting disk (502). The heat exchange pipes (503) are fixedly sleeved on the corresponding heat exchange material pipes (501). A heat exchange chamber (504) is provided between the heat exchange pipes (503) and the corresponding heat exchange material pipes (501). A plurality of upper conduction pipes (505) are provided above the mounting disk (502). A plurality of lower conduction pipes (506) are provided below the mounting disk (502). The upper conduction pipes (505) are communicated with the tops of the heat exchange pipes (503) on both sides of them. The lower conduction pipes (506) are communicated with the bottoms of the heat exchange pipes (503) on both sides of them. A flow turning pipe (507) is fixedly provided at the bottom of the mounting disk (502). An input pipe (508) which is fixed on the installation disk (502) and communicated with the bottom of the heat exchange pipe (503) at the head end of the heat exchange flow path, a diversion pipe (509) is connected to the bottom of the heat exchange pipe (503) at the tail end of the heat exchange flow path, the diversion pipe (509) is communicated with a flow turning pipe (507), and an output pipe (510) is communicated with the bottom of the flow turning pipe (507).

7. A high-temperature powder heat exchanger according to claim 6, characterized in that, The input pipe (508) and the output pipe (510) between two adjacent heat exchange flow paths are hermetically connected. The inlet pipe (9) is installed on the heat exchange shield (801) and hermetically connected with the upper input pipe (508). The hermetic diversion cover (206) is hermetically connected with the lower output pipe (510). A plurality of first heat exchange fins (511) and second heat exchange fins (512) with opposite inclination directions are arranged in an array on the inner wall of the heat exchange material pipe (501).

8. The high-temperature powder heat exchanger according to claim 7, characterized in that, The heat exchange fluid supply assembly (6) further includes a carrier (604) installed on the corresponding heat exchange shield (801). The water storage tank (601) is installed on the top of the carrier (604). A heat exchange gas supply device (605) is installed on the top of the water storage tank (601). The heat exchange gas pipe (603) is arranged between the heat exchange gas supply device (605) and the gravity flow heat exchange water pipe (602). A solenoid valve (606) is installed on the gravity flow heat exchange water pipe (602). The heat exchange gas pipe (603) is between the inlet pipe (9) and the solenoid valve (606). A water inlet connection pipe (607) is installed on the circumferential side of the water storage tank (601) close to the top. A meshing through hole is formed in the circumferential side of the heat exchange shield (801) corresponding to the gear disk (407). The output end of a stepping motor (608) installed on the carrier (604) is connected with a driving gear (609). The driving gear (609) is meshed with the gear disk (407) through the meshing through hole.

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