CN107255421B - High-temperature powder heat exchanger - Google Patents
High-temperature powder heat exchanger Download PDFInfo
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- CN107255421B CN107255421B CN201710636182.5A CN201710636182A CN107255421B CN 107255421 B CN107255421 B CN 107255421B CN 201710636182 A CN201710636182 A CN 201710636182A CN 107255421 B CN107255421 B CN 107255421B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/005—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for only one medium being tubes having bent portions or being assembled from bent tubes or being tubes having a toroidal configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-temperature powder heat exchanger which comprises an integral flow feeding bin, a full water-cooling high-temperature heat exchange module and an integral flow down hopper which are connected in sequence. The invention has the advantages of excellent heat exchange effect, high heat utilization rate, small resistance, difficult generation of dirt, high energy saving, compact structure and small occupied area; the modular manufacturing is convenient to disassemble and assemble; the equipment is simple and convenient to operate, the number of matched equipment is small, the overhaul in the later operation is convenient, and the maintenance cost is extremely low.
Description
Technical Field
The invention relates to a high-temperature powder heat exchanger suitable for powder drying.
Background
In the industries of metallurgy, miners, chemical industry, machinery, manufacturing and the like, materials are generally required to be heated to high temperature in equipment such as a blast furnace, a calciner, a hot blast stove and the like; however, the post-treatment of high-temperature materials such as transportation, storage, transportation and packaging is performed in a medium-low temperature environment, so that the cooling and heat exchange of the high-temperature powder are particularly important.
For high-temperature powder material heat exchange equipment, methods such as a fluidized bed, a rotary furnace and the like are widely adopted at home and abroad. The traditional powder heat exchanger takes air as a heat exchange medium, and the air is directly contacted with the powder heat exchanger to complete energy transfer, so that the traditional powder heat exchanger has the defects of high investment cost, high energy consumption, high operation cost, large occupied area, serious environmental influence on the heat exchange medium and the like.
Disclosure of Invention
The invention aims to provide the heat exchanger which has the advantages of excellent heat exchange effect, high heat utilization rate, small resistance, low probability of generating dirt, high energy saving, compact structure and small occupied area; the modular manufacturing is convenient to disassemble and assemble; the equipment is simple and convenient to operate, the number of matched equipment is small, the overhaul in the later operation is convenient, and the maintenance cost is extremely low.
The technical proposal of the invention is that the high temperature type powder heat exchanger comprises an integral flow feeding bin, a full water-cooling high temperature type heat exchange module and an integral flow down hopper which are connected in sequence correspondingly, wherein a plurality of wall cooling ring pipes are respectively arranged on the integral flow feeding bin, the integral flow feeding bin is internally provided with a hollow structure, the integral flow feeding bin comprises a flow feeding bin wall and a flow feeding bin top arranged above the flow feeding bin wall, the flow feeding bin top is arranged with an upward convex arc structure, the flow feeding bin top is provided with a material inlet, the upper end and the lower end of the flow feeding bin top are respectively provided with a first wall cooling ring pipe and a second wall cooling ring pipe correspondingly, the first wall cooling ring pipe is provided with an upper feeding bin cooling water outlet, the second wall cooling ring pipe is provided with an upper feeding bin cooling water inlet, the upper end and the lower end of the flow feeding bin wall are respectively and correspondingly provided with a third wall cold ring pipe and a fourth wall cold ring pipe, the third wall cold ring pipe is provided with a lower feeding bin cooling water outlet, the fourth wall cold ring pipe is provided with a lower feeding bin cooling water inlet, the flow feeding bin wall is correspondingly provided with a flange cooling water inlet, the bottom of the flow feeding bin wall is provided with a first fixed flange, the inner ring of the first fixed flange is provided with a first flange water cooling pipe, the full water-cooling high-temperature type heat exchange module comprises a full water-cooling heat exchange plate shell and a high-temperature resistant free expansion heat exchange plate, the high-temperature resistant free expansion heat exchange plate comprises a pillow plate type heat exchange plate, a cooling water inlet connecting pipe and a cooling water outlet connecting pipe, the cooling water inlet connecting pipe and the cooling water outlet connecting pipe are respectively and longitudinally arranged at two sides of the pillow plate type heat exchange plate, the upper end of the cooling water inlet connecting pipe and the lower end of the cooling water outlet connecting pipe are respectively provided with a self-adaptive expansion joint welding head, the lower end of the cooling water inlet connecting pipe is provided with a heat exchange plate cooling water inlet, the upper end of the cooling water outlet connecting pipe is provided with a heat exchange plate cooling water outlet, the high-temperature resistant free expansion heat exchange plates are provided with a plurality of heat exchange plate cooling water outlets which are correspondingly connected in turn from top to bottom, the heat exchange plate cooling water outlets arranged at the tops of the high-temperature resistant free expansion heat exchange plates are correspondingly connected to the arc-shaped water outlet header of the heat exchange plate group, the self-adaptive expansion joint welding heads of the two adjacent high-temperature resistant free expansion heat exchange plates are correspondingly arranged, the heat exchange plate cooling water inlets and the heat exchange plate cooling water outlets at the bottoms of the high-temperature resistant free expansion heat exchange plates are correspondingly connected to the arc-shaped water inlet header of the heat exchange plate group through U-shaped connecting pipes, the heat exchange plate assembly is arranged in the full water-cooling heat exchange plate shell, the top and the bottom of the full water-cooling heat exchange plate shell are respectively and correspondingly provided with a second fixing flange and a third fixing flange, the bottom of the heat exchange plate assembly is arranged on the third fixing flange through a heat exchanger supporting plate, the upper end and the lower end of the full water-cooling heat exchange plate shell are respectively and correspondingly provided with a fifth wall cold ring pipe and a sixth wall cold ring pipe, the fifth wall cold ring pipe is provided with a shell cooling water outlet, the sixth wall cold ring pipe is provided with a shell cooling water inlet, the full water-cooling heat exchange plate comprises a full water-cooling lower hopper shell, wherein a heat exchange plate group cooling water outlet is formed in the upper end of the full water-cooling heat exchange plate shell and corresponds to the upper end of the high-temperature-resistant free expansion heat exchange plate group, a heat exchange plate group cooling water inlet is formed in the lower end of the full water-cooling heat exchange plate shell and corresponds to the lower end of the high-temperature-resistant free expansion heat exchange plate group, a second flange water cooling pipe and a third flange water cooling pipe are respectively and correspondingly formed in inner rings of the second fixing flange and the third fixing flange, the full water-cooling lower hopper shell is in an inverted truncated cone-shaped structure, a fourth fixing flange is arranged at the top of the full water-cooling lower hopper shell, a material outlet is formed in the inner ring of the fourth fixing flange, a seventh wall cooling ring pipe and an eighth wall cooling ring pipe are respectively formed in the upper end and the lower end of the full water-cooling lower hopper shell, and a lower hopper cooling water inlet is formed in the eighth wall cooling ring pipe.
In a preferred embodiment of the present invention, the full water-cooling high-temperature heat exchange module is at least provided with 1 section.
In a preferred embodiment of the present invention, edges of the first fixing flange, the second fixing flange, the third fixing flange and the fourth fixing flange are protruded at equal intervals to form corner fixing flanges.
In a preferred embodiment of the present invention, the first flange water-cooling pipe, the second flange water-cooling pipe, the third flange water-cooling pipe and the fourth flange water-cooling pipe are all provided with a flange cooling water inlet and a flange cooling water outlet.
In a preferred embodiment of the present invention, two longitudinally adjacent pillow plate heat exchange plates in the high temperature resistant free expansion heat exchange plate group are staggered.
In a preferred embodiment of the present invention, the outer ring of the high temperature resistant free expansion heat exchange plate is provided with a plurality of baffle plates from top to bottom.
In a preferred embodiment of the present invention, the first fixing flange and the second fixing flange are disposed correspondingly, and the third fixing flange and the fourth fixing flange are disposed correspondingly.
In a preferred embodiment of the invention, the outer wall of the full water-cooled blanking hopper shell is also provided with a high-frequency vibration motor.
In a preferred embodiment of the invention, a homogenizer is further arranged inside the full water-cooling blanking hopper shell.
In a preferred embodiment of the present invention, the homogenizer is fixedly disposed by a homogenizer fixing rod.
The high-temperature powder heat exchanger has the advantages of excellent heat exchange effect, high heat utilization rate, small resistance, low probability of generating dirt, high energy conservation, compact structure and small occupied area; the modular manufacturing is convenient to disassemble and assemble; the equipment is simple and convenient to operate, the number of matched equipment is small, the overhaul in the later operation is convenient, and the maintenance cost is extremely low.
Drawings
FIG. 1 is a schematic view of a high temperature powder heat exchanger according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the overall flow feed bin structure of a high temperature powder heat exchanger according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a heat exchanger module of the present invention;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a schematic flow diagram of a heat exchange plate assembly structure and high temperature materials with high temperature resistance and free expansion in a preferred embodiment of the high temperature powder heat exchanger according to the present invention;
FIG. 6 is a schematic view of a heat exchanger plate with high temperature resistance and free expansion according to a preferred embodiment of the high temperature powder heat exchanger of the present invention;
FIG. 7 is a schematic view of the structure of the integral flow hopper in a preferred embodiment of the high temperature powder heat exchanger of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention and to make a clear and concise definition of the scope of the invention.
The invention discloses a high-temperature powder heat exchanger, which comprises an integral flow feeding bin 1, an integral water-cooling high-temperature heat exchange module 2 and an integral flow hopper 3 which are connected in sequence correspondingly, wherein the integral water-cooling high-temperature heat exchange module 2 is at least provided with 1 section, and a plurality of wall cooling ring pipes are respectively arranged on the integral flow feeding bin 1, the integral water-cooling high-temperature heat exchange module 2 and the integral flow hopper 3 correspondingly.
Working principle: the high-temperature materials enter the integral flow feeding bin from the material inlet, flow into the inside of the multi-stage full water-cooling high-temperature heat exchange module after the materials are accumulated and primarily distributed in the integral flow feeding bin (the number of the full water-cooling high-temperature heat exchange modules is different according to the using condition, the overall structural dimension and the number of the whole module are redesigned, calculated and selected, and fig. 1 only shows the situation of 2 full water-cooling high-temperature heat exchange modules), and the high-temperature materials reaching the set temperature through the pure countercurrent forced convection heat exchange of the high-temperature materials and the heat exchange modules finally flow into the integral flow feeding hopper and are discharged from the material outlet.
As shown in fig. 2, the integral flow feeding bin 1 is arranged in a hollow structure, the integral flow feeding bin 1 comprises a flow feeding bin wall 101 and a flow feeding bin top 102 arranged above the flow feeding bin wall 101, the flow feeding bin top 102 is arranged in an upward convex arc structure, a material inlet 103 is arranged on the flow feeding bin top 102, a first wall cooling ring pipe 104 and a second wall cooling ring pipe 105 are correspondingly arranged at the upper end and the lower end of the flow feeding bin top 102 respectively, an upper feeding bin cooling water outlet 106 is arranged on the first wall cooling ring pipe 104, an upper bin cooling water inlet 107 is arranged on the second wall cooling ring pipe 105, a third wall cooling ring pipe 108 and a fourth wall cooling ring pipe 109 are correspondingly arranged at the upper end and the lower end of the flow feeding bin wall 101 respectively, a lower feeding bin cooling water inlet 111 is arranged on the fourth wall cooling ring pipe 109, a first cooling water inlet flange 113 is correspondingly arranged on the flow feeding bin wall 101, and a first flange 113 is fixedly arranged at the bottom of the first wall cooling ring pipe 101.
Working principle: the high-temperature materials enter the integral flow feeding bin of the high-temperature powder heat exchanger through the material inlet, are piled up in the integral flow feeding bin, after partial materials are contacted with the flow feeding bin wall, heat is transferred to the flow feeding bin wall through exchange heat, cooling water in the flow feeding bin wall enters the fourth wall cooling ring pipe from the cooling water inlet of the lower feeding bin, the fourth wall cooling ring pipe distributes the cooling water to all water flow channels in the circular flow feeding bin wall, and finally, the cooling water is converged into the third wall cooling ring pipe and flows out from the cooling water outlet of the lower feeding bin (the same as the upper feeding bin). Because the cooling water performs forced convection heat exchange in the flow channel, and the flowing directions of the high-temperature materials and the cooling water are opposite, the whole flow feeding bin is maintained at a relatively low temperature.
The lower end of the integral flow feeding bin is connected with the full water-cooling high-temperature heat exchange module through the corner fixing flange, the cross section of the cooling water channel is formed by a semicircular first flange water cooling pipe and a flow feeding bin wall, the cooling water channel is specially used for cooling the corner fixing flange, and the flange cooling water inlet and the bin body cooling water outlet are distributed at the upper end and the lower end of the two sides of the outer wall surface of the bin body.
As shown in fig. 3 in combination with fig. 4, fig. 5 and fig. 6, the full water-cooling high-temperature heat exchange module 2 comprises a full water-cooling heat exchange plate housing 201 and a high-temperature resistant free expansion heat exchange plate, the high-temperature resistant free expansion heat exchange plate comprises a sleeper plate heat exchange plate 202, a cooling water inlet connecting pipe 203 and a cooling water outlet connecting pipe 204, the cooling water inlet connecting pipe 203 and the cooling water outlet connecting pipe 204 are respectively and longitudinally arranged at two sides of the sleeper plate heat exchange plate 202, the upper end of the cooling water inlet connecting pipe 203 and the lower end of the cooling water outlet connecting pipe 204 are respectively provided with an adaptive expansion joint welding head 205, the lower end of the cooling water inlet connecting pipe 203 is provided with a heat exchange plate cooling water inlet 206, the upper end of the cooling water outlet connecting pipe 204 is provided with a heat exchange plate cooling water outlet 207, the high-temperature resistant free expansion heat exchange plate is provided with a plurality of cooling water outlet connecting pipes and is correspondingly connected in turn from top to bottom, the heat exchange plate cooling water outlet 207 arranged at the top of the high temperature resistant free expansion heat exchange plate is correspondingly connected to the heat exchange plate group arc-shaped water outlet header 208, the self-adaptive expansion joint welding heads 205 of two adjacent high temperature resistant free expansion heat exchange plates are correspondingly arranged, the heat exchange plate cooling water inlet 206 and the heat exchange plate cooling water outlet 207 are correspondingly arranged through the U-shaped connecting pipe 209, the heat exchange plate cooling water inlet 206 at the bottom of the high temperature resistant free expansion heat exchange plate is correspondingly connected to the heat exchange plate group arc-shaped water inlet header 210, a plurality of groups of high temperature resistant free expansion heat exchange plates, the heat exchange plate group arc-shaped water outlet header 208 and the heat exchange plate group arc-shaped water inlet header 210 which are arranged from top to bottom form a high temperature resistant free expansion heat exchange plate group, the high temperature resistant free expansion heat exchange plate group is arranged in the full water cooling heat exchange plate shell 201, the top and the bottom of the full water-cooled heat exchange plate shell 201 are respectively and correspondingly provided with a second fixing flange 211 and a third fixing flange 212, the bottom of the high-temperature-resistant free expansion heat exchange plate group is arranged on the third fixing flange 212 through a heat exchanger supporting plate 213, the upper end and the lower end of the full water-cooled heat exchange plate shell 201 are respectively and correspondingly provided with a fifth wall cold ring pipe 214 and a sixth wall cold ring pipe 215, the fifth wall cold ring pipe 214 is provided with a shell cooling water outlet 216, the sixth wall cold ring pipe 215 is provided with a shell cooling water inlet 217, the upper end of the full water-cooled heat exchange plate shell 201 is also provided with a heat exchange plate group cooling water outlet 218 which is correspondingly arranged with the upper end of the high-temperature-resistant free expansion heat exchange plate group, the lower end of the full water-cooled heat exchange plate shell 201 is also provided with a heat exchange plate group cooling water inlet 219 which is correspondingly arranged with the lower end of the high-temperature-resistant free expansion heat exchange plate group, the inner rings of the second fixing flange 211 and the third fixing flange 212 are respectively and correspondingly provided with a second flange water cooling pipe 220 and a third flange water pipe 221, the upper end of the heat exchange plate group cooling water outlet 221 is respectively, the upper end of the full water-cooled heat exchange plate group is also provided with two adjacent heat exchange plate expansion heat exchange plates 202 longitudinally and a plurality of heat exchange plates 222 are provided with high-temperature-resistant expansion heat exchange plates and a heat exchange plate free expansion heat plate and a heat exchanger.
Figures 3 and 4 illustrate an all water cooled high temperature heat exchange module with one piece of all water cooled heat exchange plate housing removed. After the high-temperature materials flow out of the integral flow feeding bin, the high-temperature materials enter the full water-cooling high-temperature heat exchange module, the flow cross section is reduced, the flow rate of the high-temperature materials in an equidistant wide channel formed by the high-temperature-resistant free expansion heat exchange plate group is increased, and the heat exchange strength is increased. The baffle plates are additionally arranged between the heat exchange plates with high temperature resistance and free expansion and the full water-cooling heat exchange plate shell which are transversely arranged at each stage, so that high-temperature materials can only flow through the inside of the wide channel, the falling speed and the treatment capacity of the high-temperature materials can be accurately controlled, cooling water in the heat exchange plate group with high temperature resistance is converged through the arc-shaped water inlet header of the heat exchange plate group, flows in from the cooling water inlet of the heat exchange plate at the lower end through the full water-cooling heat exchange plate shell, flows out from the cooling water outlet of the heat exchange plate at the upper end, and the lower end of the heat exchange plate group with high temperature resistance is reinforced by the heat exchanger support plate. The full water-cooling heat exchange plate shell of the whole high-temperature-resistant free expansion heat exchange plate group is formed by welding two semicircular full water-cooling heat exchange plates, and the upper end and the lower end of the full water-cooling heat exchange plate shell are respectively provided with a corner fixing flange; the cooling mode of the full water-cooling heat exchange plate shell and the corner fixing flange is the same as that of the integral flow feeding bin.
The heat exchange plate group with high temperature resistance and free expansion as shown in figure 5 fully considers the thermal expansion of the metal material under the high temperature condition. In the material flow direction, the cooling waterway is communicated through the U-shaped connecting pipe, the self-adaptive expansion joint can absorb material deformation caused by thermal expansion, and the self-adaptive expansion joint has strong adaptability to temperature; meanwhile, the adjacent longitudinal high-temperature-resistant free expansion heat exchange plates are arranged in a staggered manner, high-temperature materials can pass through the high-temperature-resistant free expansion heat exchange plates in the flowing process, the surface updating speed is increased, the flow turbulence is enhanced, the heat exchange system is increased, and the phenomenon that the arrow direction of the material clamping phenomenon is the material flowing direction is avoided.
Fig. 6 is a schematic structural diagram of a heat exchange plate with high temperature resistance and free expansion, cooling water enters a cooling water inlet connecting pipe from a cooling water inlet at the left lower side of the heat exchange plate with high temperature resistance, cooling water is collected in the cooling water inlet connecting pipe, flows are uniformly distributed through channels between the cooling water inlet connecting pipe and the sleeper plate type heat exchange plates, the water flows enter the sleeper plate type heat exchange plates (the sleeper plate type heat exchange plates belong to a full-flow type heat exchange plate from the aspect of flow of the cooling water), and the Reynolds number of flow of the cooling water is increased by the wavy sleeper plate type heat exchange plates, so that the heat exchange coefficient is enhanced; finally, the cooling water is collected again at the cooling water outlet connecting pipe, flows out of the cooling water outlet and enters the next-stage flow channel. And the cooling water inlet connecting pipe and the cooling water outlet connecting pipe are provided with self-adaptive expansion joint welding joints provided with self-adaptive expansion joints so as to cope with high-temperature thermal expansion.
As shown in fig. 7, the integral flow down hopper 3 includes a full water-cooling lower hopper shell 301, the full water-cooling lower hopper shell 301 is in an inverted truncated cone structure, a fourth fixing flange 302 is disposed at the top of the full water-cooling lower hopper shell 301, a fourth flange water cooling pipe 303 is disposed at an inner ring of the fourth fixing flange 302, a material outlet 304 is disposed at the bottom of the full water-cooling lower hopper shell 301, a seventh wall cold ring pipe 305 and an eighth wall cold ring pipe 306 are further disposed at the upper end and the lower end of the full water-cooling lower hopper shell 301 respectively, a lower hopper cooling water outlet 307 is disposed on the seventh wall cold ring pipe 305, a lower hopper cooling water inlet 308 is disposed on the eighth wall cold ring pipe 306, a high-frequency vibration motor 309 is further disposed on the outer wall of the full water-cooling lower hopper shell 301, a homogenizer 310 is further disposed inside the full water-cooling lower hopper shell 301, and the homogenizer 310 is fixedly disposed through a homogenizer fixing rod 311.
After passing through the full water-cooling high-temperature heat exchange module, the high-temperature material flows out from a material outlet of the integral flow hopper (shown in figure 7), so that the full water-cooling blanking hopper shell with a truncated cone-shaped structure is beneficial to collecting and processing the cooled material, and the cooling patterns of the full water-cooling blanking hopper shell, the fourth fixed flange and the wall cooling ring pipe are the same as those of the integral flow feeding bin; the material homogenizing device is fixed at the central position of the full water-cooling blanking hopper shell through the material homogenizing device fixing rod, the installation of the material homogenizing device is beneficial to the uniform falling of materials, the defect that the intermediate materials fall fast and the blanking at the circumference is slow is avoided, and the non-uniformity of the final cooling temperature of the materials is reduced; the high-frequency vibration motor is arranged on the outer wall of the full water-cooling discharging hopper shell, and the falling speed of the materials is accurately controlled by adjusting the frequency of the high-frequency vibration motor.
The edges of the first fixing flange 113, the second fixing flange 211, the third fixing flange 212 and the fourth fixing flange 302 are arranged at equal intervals in a protruding mode to form corner fixing flanges, the first flange water cooling pipe 114, the second flange water cooling pipe 220, the third flange water cooling pipe 221 and the fourth flange water cooling pipe 303 are respectively provided with a flange cooling water inlet 112 and a flange cooling water outlet 4, the first fixing flange 113 and the second fixing flange 211 are correspondingly arranged, and the third fixing flange 212 and the fourth fixing flange 302 are correspondingly arranged.
Compared with the traditional high-temperature powder heat exchanger, the invention has the advantages that:
the high-temperature powder and the cooling medium are completely in pure countercurrent convection heat exchange in the shell or the plate, the heat exchange effect is excellent, the heat of the high-temperature material is completely absorbed by the cooling medium, and the heat utilization rate is high.
The full water-cooling high-temperature heat exchange module consists of a certain number of sleeper plate type heat exchange plates, wherein the sleeper plate type heat exchange plates are formed by superposing two metal plates together, penetrating and welding the two metal plates together through laser, and then expanding the sleeper plate type heat exchange plates through high-pressure fluid to form an internal heat exchange channel. The surface of the pillow plate type heat exchange plate is wavy and very smooth, thereby meeting the heat transfer enhancement requirement, having small resistance outside the plate and being not easy to produce dirt.
The high-temperature materials flow through the full water-cooling high-temperature heat exchange module by means of self gravity to cool, the whole equipment only has one low-power high-frequency vibration motor to accurately control the blanking speed, and compared with other heat exchange equipment, the energy is saved by more than 90%.
The high-temperature powder heat exchanger has compact structure and small occupied area; the modular manufacturing is convenient to disassemble and assemble; the equipment is simple and convenient to operate, the number of matched equipment is small, the overhaul in the later operation is convenient, and the maintenance cost is extremely low.
The high-temperature powder heat exchanger has the advantages of excellent heat exchange effect, high heat utilization rate, small resistance, low probability of generating dirt, high energy conservation, compact structure and small occupied area; the modular manufacturing is convenient to disassemble and assemble; the equipment is simple and convenient to operate, the number of matched equipment is small, the overhaul in the later operation is convenient, and the maintenance cost is extremely low.
The foregoing is merely illustrative of the embodiments of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art without departing from the inventive concept are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a high temperature type powder heat exchanger, includes whole flow feeding storehouse, full water-cooling high temperature type heat transfer module and the whole hopper that flows down that corresponds the connection in proper order, its characterized in that: the heat exchanger comprises a whole flow feeding bin, an all-water-cooling high-temperature heat exchange module and a whole flow down hopper, wherein a plurality of wall cooling ring pipes are correspondingly arranged on the whole flow feeding bin, the whole flow feeding bin is arranged in a hollow structure and comprises a flow feeding bin wall and a flow feeding bin top arranged above the flow feeding bin wall, the flow feeding bin top is arranged in an upward convex arc structure, a material inlet is arranged on the flow feeding bin top, a first wall cooling ring pipe and a second wall cooling ring pipe are correspondingly arranged at the upper end and the lower end of the flow feeding bin top respectively, an upper feeding bin cooling water outlet is arranged on the first wall cooling ring pipe, an upper feeding bin cooling water inlet is arranged on the second wall cooling ring pipe, a third wall cooling ring pipe and a fourth wall cooling ring pipe are correspondingly arranged at the upper end of the flow feeding bin wall, a lower cooling water inlet is arranged on the fourth wall cooling ring pipe, a first wall cooling ring pipe is correspondingly provided with a first wall cooling ring pipe cooling water inlet and a second wall cooling ring pipe, a cooling flange plate type cooling flange is correspondingly arranged at the lower end of the cooling water inlet, a heat exchange flange plate type cooling flange is arranged at the bottom of the cooling water expansion flange is arranged at the cooling flange of the cooling flange, a cooling flange is correspondingly arranged at the cooling flange type cooling flange is arranged at the bottom of the cooling flange inlet, a connecting pipe is correspondingly, a heat exchanger expansion type cooling flange is arranged at the cooling flange is connected with the cooling flange, and a high temperature expansion type cooling flange is correspondingly arranged at the cooling flange is connected at the cooling flange, and a high temperature, and a self-resistant flange is provided at the water expansion type, and a high temperature, and a self-expansion type is suitable and a high temperature is cooled down. The upper end of the cooling water outlet connecting pipe is provided with a heat exchange plate cooling water outlet, the high-temperature resistant free expansion heat exchange plate is provided with a plurality of heat exchange plate cooling water outlets which are correspondingly connected in turn from top to bottom and are correspondingly connected to the arc-shaped water outlet header of the heat exchange plate group, the adaptive expansion joint welding heads of two adjacent high-temperature resistant free expansion heat exchange plates are correspondingly arranged, the heat exchange plate cooling water inlet and the heat exchange plate cooling water outlet are correspondingly arranged through U-shaped connecting pipes, the heat exchange plate cooling water inlet at the bottom of the high-temperature resistant free expansion heat exchange plate is correspondingly connected to the arc-shaped water inlet header of the heat exchange plate group, a plurality of groups of high-temperature resistant free expansion heat exchange plates, the arc-shaped water outlet header of the heat exchange plate group and the arc-shaped water inlet header of the heat exchange plate group which are arranged from top to bottom form the high-temperature resistant free expansion heat exchange plate group, the heat-resistant free expansion heat exchange plate group is arranged in a full water-cooling heat exchange plate shell, a second fixing flange and a third fixing flange are respectively and correspondingly arranged at the top and the bottom of the full water-cooling heat exchange plate shell, the bottom of the high-temperature-resistant free expansion heat exchange plate group is arranged on the third fixing flange through a heat exchanger supporting plate, a fifth wall cold ring pipe and a sixth wall cold ring pipe are respectively and correspondingly arranged at the upper end and the lower end of the full water-cooling heat exchange plate shell, a shell cooling water outlet is arranged on the fifth wall cold ring pipe, a shell cooling water inlet is arranged on the sixth wall cold ring pipe, a heat exchange plate group cooling water outlet is also arranged at the upper end of the full water-cooling heat exchange plate shell and is correspondingly arranged at the upper end of the high-temperature-resistant free expansion heat exchange plate group, a heat exchange plate group cooling water inlet is also arranged at the lower end of the full water-cooling heat exchange plate shell and is correspondingly arranged at the lower end of the high-temperature-resistant free expansion heat exchange plate group, the inner rings of the second fixing flange and the third fixing flange are respectively and correspondingly provided with a second flange water-cooling pipe and a third flange water-cooling pipe, the whole flow hopper comprises a full water-cooling lower hopper shell, the full water-cooling lower hopper shell is in an inverted truncated cone-shaped structure, a fourth fixing flange is arranged at the top of the full water-cooling lower hopper shell, the fourth fixing flange inner ring is provided with a fourth flange water-cooling pipe, the bottom of the full water-cooling lower hopper shell is provided with a material outlet, the upper end and the lower end of the full water-cooling lower hopper shell are respectively provided with a seventh wall cold ring pipe and an eighth wall cold ring pipe, a lower hopper cooling water outlet is formed in the seventh wall cold ring pipe, and a lower hopper cooling water inlet is formed in the eighth wall cold ring pipe.
2. The high temperature powder heat exchanger of claim 1, wherein: the full water-cooling high-temperature heat exchange module is at least provided with 1 section.
3. The high temperature powder heat exchanger of claim 1, wherein: the edges of the first fixing flange, the second fixing flange, the third fixing flange and the fourth fixing flange are arranged in a protruding mode at equal intervals to form corner fixing flanges.
4. The high temperature powder heat exchanger of claim 1, wherein: the first flange water cooling pipe, the second flange water cooling pipe, the third flange water cooling pipe and the fourth flange water cooling pipe are respectively provided with a flange cooling water inlet and a flange cooling water outlet.
5. The high temperature powder heat exchanger of claim 1, wherein: and two longitudinally adjacent sleeper plate type heat exchange plates in the high-temperature resistant free expansion heat exchange plate group are arranged in a staggered manner.
6. The high temperature powder heat exchanger of claim 1, wherein: the outer ring of the high-temperature-resistant free expansion heat exchange plate is provided with a plurality of baffle plates from top to bottom.
7. The high temperature powder heat exchanger of claim 1, wherein: the first fixing flange and the second fixing flange are correspondingly arranged, and the third fixing flange and the fourth fixing flange are correspondingly arranged.
8. The high temperature powder heat exchanger of claim 1, wherein: the outer wall of the full water-cooling discharging hopper shell is also provided with a high-frequency vibration motor.
9. The high temperature powder heat exchanger of claim 1, wherein: and a material equalizer is further arranged in the full water-cooling discharging hopper shell.
10. The high temperature powder heat exchanger of claim 9, wherein: the homogenizer is fixedly arranged through a homogenizer fixing rod.
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| CN201710636182.5A CN107255421B (en) | 2017-07-31 | 2017-07-31 | High-temperature powder heat exchanger |
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| CN201710636182.5A CN107255421B (en) | 2017-07-31 | 2017-07-31 | High-temperature powder heat exchanger |
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| CN107255421A CN107255421A (en) | 2017-10-17 |
| CN107255421B true CN107255421B (en) | 2023-04-28 |
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| CN112504593B (en) * | 2020-12-15 | 2023-06-27 | 桂林航天工业学院 | Water-cooling switching device for thermal vibration test |
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| CA2554357A1 (en) * | 2004-01-28 | 2005-08-18 | Shell Internationale Research Maatschappij B.V. | Heat-exchanger for carrying out an exothermic reaction |
| EP1580511A2 (en) * | 2004-03-24 | 2005-09-28 | Coperion Waeschle GmbH & Co. KG | Device for maintaining temperature of bulk material |
| CN102589322A (en) * | 2011-01-14 | 2012-07-18 | 仪征风日石英科技有限公司 | High-purity solid material cooling device |
| CN103196314A (en) * | 2013-03-26 | 2013-07-10 | 北京广厦环能科技有限公司 | Powder flow cooler capable of blanking evenly |
| CN207095339U (en) * | 2017-07-31 | 2018-03-13 | 苏州协宏泰节能科技有限公司 | A kind of high temperature modification powder heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7972572B2 (en) * | 2008-03-04 | 2011-07-05 | Pratt & Whitney Rocketdyne, Inc. | Reactor vessel and liner |
| US9010407B2 (en) * | 2010-04-01 | 2015-04-21 | Mac-Dan Innovations Llc | Waste water heat recovery system |
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|---|---|---|---|---|
| CA2554357A1 (en) * | 2004-01-28 | 2005-08-18 | Shell Internationale Research Maatschappij B.V. | Heat-exchanger for carrying out an exothermic reaction |
| EP1580511A2 (en) * | 2004-03-24 | 2005-09-28 | Coperion Waeschle GmbH & Co. KG | Device for maintaining temperature of bulk material |
| CN102589322A (en) * | 2011-01-14 | 2012-07-18 | 仪征风日石英科技有限公司 | High-purity solid material cooling device |
| CN103196314A (en) * | 2013-03-26 | 2013-07-10 | 北京广厦环能科技有限公司 | Powder flow cooler capable of blanking evenly |
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