CN116067191B - Flue gas cooler of calciner - Google Patents
Flue gas cooler of calciner Download PDFInfo
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- CN116067191B CN116067191B CN202310357511.8A CN202310357511A CN116067191B CN 116067191 B CN116067191 B CN 116067191B CN 202310357511 A CN202310357511 A CN 202310357511A CN 116067191 B CN116067191 B CN 116067191B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
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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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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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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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of flue gas cooling of a calciner, and provides a flue gas cooler of the calciner, which comprises an outer cavity, an inner cavity, a flue gas circulation chamber formed between the outer wall of the inner cavity and the inner wall of the outer cavity, a first heat-conducting plate body penetrating through the side wall of the inner cavity, one end of the first heat-conducting plate body extending into the flue gas circulation chamber, the other end extending into the inner cavity, the first heat-conducting plate body being spiral, the part of the first heat-conducting plate body in the flue gas circulation chamber being inclined in the opposite direction to the part of the first heat-conducting plate body in the inner cavity, an agitator arranged in the inner cavity, the agitator being used for agitating the rotation of fluid in the inner cavity, an air inlet pipe arranged at one end of the outer cavity and communicated with the flue gas circulation chamber, and an air outlet pipe arranged at the other end of the outer cavity and communicated with the flue gas circulation chamber. Through the technical scheme, the problem of low efficiency of the flue gas cooler of the calciner in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of flue gas cooling of a calciner, in particular to a flue gas cooler of the calciner.
Background
The calciner is a thermal equipment for specially treating carbon raw material at high temperature so as to improve the raw material performance, and is used for iron-making, rare metal recovery, catalyst production, environmental improvement and the like.
However, in the process of using the calciner, a large amount of flue gas is often generated, the temperature is very high, and the calciner contains a lot of harmful gas and smoke dust, and is generally required to be discharged after being treated to meet the environmental protection requirement, however, only the problem that the temperature of the generated flue gas is relatively high is solved, and when the calciner is discharged, the waste of heat energy is caused, the environmental pollution is caused, the material requirement on a flue gas discharge channel is very high, and the conventional cooler can meet the requirement on flue gas cooling, but the heat exchange efficiency is relatively low, and cannot meet the requirement on ever-increasing high efficiency.
Disclosure of Invention
The invention provides a calciner flue gas cooler, which solves the problem of low cooling efficiency of the calciner flue gas cooler in the prior art.
The technical scheme of the invention is as follows:
comprising the following steps:
the outer cavity body is provided with a plurality of grooves,
an inner cavity body is arranged in the outer cavity body, a smoke circulation chamber is formed between the outer wall of the inner cavity body and the inner wall of the outer cavity body,
the first heat-conducting plate body penetrates through the side wall of the inner cavity, one end of the first heat-conducting plate body stretches into the smoke circulation chamber, the other end stretches into the inner cavity,
the first heat-conducting plate body is spiral, the part of the first heat-conducting plate body positioned in the smoke circulation chamber is opposite to the inclined direction of the part of the first heat-conducting plate body positioned in the inner chamber,
an agitator disposed within the interior chamber, the agitator for agitating the rotation of the fluid within the interior chamber,
the air inlet pipeline is arranged at one end of the outer cavity and is communicated with the smoke circulation chamber,
the air outlet pipeline is arranged at the other end of the outer cavity and is communicated with the smoke circulation chamber.
As a further technical scheme, the method comprises the steps of,
the section of the first heat-conducting plate body is diamond-shaped.
As a further technical scheme, the method comprises the steps of,
the first heat conducting plate body is provided with a first through hole and a second through hole which are arranged in an X-shaped cross way,
the two ends of the first through hole are respectively positioned on the two opposite side surfaces of the first heat conduction plate body, and the two ends of the second through hole are respectively positioned on the other two opposite side surfaces of the first heat conduction plate body.
As a further technical scheme, the method comprises the steps of,
the outer cavity comprises an outer upper end shell, an outer side shell and an outer lower end shell which are connected in sequence,
the inner cavity comprises an inner upper end shell, an inner side shell and an inner lower end shell which are connected in sequence,
the air inlet pipeline and the air outlet pipeline are respectively arranged on the outer lower end shell and the outer upper end shell,
one surface of the inner upper end shell, which is positioned in the inner cavity, is a first conical surface.
As a further technical scheme, the method comprises the steps of,
the inner cavity has a cooling fluid supply port and a cooling fluid discharge port, the cooling fluid discharge port being located directly below the tip of the first conical surface.
As a further technical scheme, the method comprises the steps of,
the smoke flow chamber comprises a first smoke channel, a second smoke channel and a third smoke channel which are communicated in sequence,
the first flue gas channel is formed between the outer upper end shell and the inner upper end shell,
the second flue gas channel is formed between the outer shell and the inner shell,
the third flue gas channel is formed between the outer lower end shell and the inner lower end shell,
the first flue gas channel is communicated with the air outlet pipeline,
the third flue gas channel is communicated with the air inlet pipeline,
the inner diameter of the air inlet pipeline is smaller than that of the second flue gas channel, and the surfaces of the outer lower end shell and the inner lower end shell, which are adjacent, are conical surfaces.
As a further technical scheme, the method also comprises the following steps,
the flow guide block is rotatably arranged at the communication position of the third flue gas channel and the air inlet pipeline,
the guide block is conical, the tip end of the guide block faces the air inlet pipeline, a plurality of guide grooves are formed in the conical surface of the guide block along the circumferential direction of the guide block, and the guide grooves are obliquely arranged.
As a further aspect, the agitator comprises,
the motor is arranged in the inner cavity,
the impeller is arranged on the motor output shaft.
As a further technical solution, the agitator further comprises,
the shaft body is provided with a blind hole along the axial direction, the impeller is arranged on the output shaft of the motor through the shaft body, the opening end of the blind hole forms the cooling fluid outlet,
the hollow shaft sleeve is sleeved outside the shaft body, an annular opening is formed in the inner wall of the hollow shaft sleeve adjacent to the shaft body,
the shaft body is provided with a communication hole, the blind hole is communicated with the annular opening through the communication hole,
also included is a method of manufacturing a semiconductor device,
the cooling fluid discharge cavity is arranged outside the outer cavity, the inside of the hollow shaft sleeve is communicated with the cooling fluid discharge cavity through a cooling fluid discharge pipe,
the cooling fluid input cavity is arranged outside the outer cavity and is communicated with the inside of the inner cavity through a cooling fluid input pipe.
As a further technical scheme, the method also comprises the following steps,
the second conical cylinder body is arranged at one end of the shaft body, one end of the second conical cylinder body with smaller diameter is communicated with the blind hole opening, and one end of the second conical cylinder body with larger diameter faces the tip end of the first conical surface.
The working principle and the beneficial effects of the invention are as follows:
in the invention, as shown in fig. 3, 5 and 8, the air inlet pipeline is connected with the flue gas discharge pipeline of the calciner, after the flue gas enters the flue gas circulation chamber through the air inlet pipeline, the flue gas reaches the first heat-conducting plate body, because the part of the first heat-conducting plate body positioned in the flue gas circulation chamber is inclined to one side, under the action of the first heat-conducting plate body, the flowing direction of the flue gas changes along the inclined direction of the first heat-conducting plate body after the flue gas flows through the first heat-conducting plate body, so that the path of the flue gas is increased to a certain extent, the retention time in the flue gas circulation chamber is improved, the corresponding contact time with the first heat-conducting plate body is increased, the acting force of the flue gas on the first heat-conducting plate body is increased because the first heat-conducting plate body changes the flowing direction, the contact of the flue gas and the first heat-conducting plate body is more sufficient, therefore, the heat conduction efficiency is higher, in addition, the part of the first heat conduction plate body positioned in the inner cavity is inclined to the other side, the stirrer stirs the cooling fluid in the inner cavity to rotate, the rotation of the stirrer rotates along the inclined direction of the first heat conduction plate body, so that the rotation direction of the cooling fluid and the flow direction of the flue gas passing through the cooling fluid form a certain convection effect, the heat exchange efficiency is improved, and the heat conduction efficiency is also important factor is that the first heat conduction plate body is an integrated heat conduction plate body which is spirally deformed and has no break point, the inclined directions in the flue gas circulation chamber and the inner cavity are opposite, thus the heat conduction efficiency between the two parts is not reduced while the flow direction of the flue gas and the flow direction of the cooling fluid are opposite, the heat conduction efficiency is improved, the cooling rate of the flue gas is correspondingly improved, the flue gas is discharged to the outside through an air outlet pipeline after passing through the flue gas circulation chamber or is subjected to other treatment and purification procedures.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of C in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the cross-sectional structure B-B of FIG. 2 according to the present invention;
FIG. 6 is a schematic top view of the present invention;
FIG. 7 is a schematic view of the bottom structure of the present invention;
FIG. 8 is a schematic view of the internal perspective structure of the present invention;
FIG. 9 is a schematic view of a flow guiding block structure according to the present invention;
in the figure: 11-outer cavity, 111-outer upper end shell, 112-outer shell, 113-outer lower end shell, 12-inner cavity, 121-upper end shell, 1211-first conical surface, 122-inner shell, 123-inner lower end shell, 124-cooling fluid supply port, 125-cooling fluid discharge port, 21-flue gas flow-through chamber, 211-first flue gas channel, 212-second flue gas channel, 213-third flue gas channel, 3-first heat conducting plate body, 31-first through hole, 32-second through hole, 33-heat conducting plate monomer, 4-stirrer, 41-motor, 42-shaft body, 421-blind hole, 422-communication hole, 43-impeller, 44-hollow shaft sleeve, 441-annular opening, 45-cooling fluid discharge pipe, 46-cooling fluid input pipe, 51-air inlet pipe, 52-air outlet pipe, 53-second heat conducting plate body, 54-holding cylinder, 55-connecting column, 551-guide column, 56-guide block, 57-guide groove, 71-cooling fluid discharge cavity, 72-cooling fluid output port, 73-cooling fluid input port, 74-75-second conical fan input port, 81-fan input port.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-9, the present invention proposes a calciner flue gas cooler comprising:
the outer cavity 11 is provided with a cavity,
an inner cavity 12 arranged in the outer cavity 11, a smoke circulation chamber 21 is formed between the outer wall of the inner cavity 12 and the inner wall of the outer cavity 11,
the first heat-conducting plate body 3 penetrates through the side wall of the inner cavity 12, one end of the first heat-conducting plate body 3 extends into the smoke circulation chamber 21, the other end extends into the inner cavity 12,
the first heat-conducting plate body 3 is spiral, and the part of the first heat-conducting plate body 3 positioned in the smoke flow chamber 21 is inclined in the opposite direction to the part positioned in the inner cavity 12,
an agitator 4 disposed within the inner chamber 12, the agitator 4 for agitating the fluid rotation within the inner chamber 12,
an air inlet pipe 51 arranged at one end of the outer cavity 11 and communicated with the flue gas circulation chamber 21,
the air outlet pipe 52 is arranged at the other end of the outer cavity 11 and is communicated with the flue gas circulation chamber 21.
In this embodiment, as shown in fig. 3, 5 and 8, the air inlet pipe 51 is connected with the flue gas discharge pipe of the calciner, after the flue gas enters the flue gas circulation chamber 21 through the air inlet pipe 51, the flue gas reaches the first heat-conducting plate body 3, because the part of the first heat-conducting plate body 3 located in the flue gas circulation chamber 21 is inclined to one side, under the action of the first heat-conducting plate body 3, the flow direction of the flue gas can be changed along the inclined direction of the first heat-conducting plate body 3 after the flue gas flows through the first heat-conducting plate body 3, so that the path of the flue gas is increased to a certain extent, the retention time in the flue gas circulation chamber 21 is increased, the corresponding contact time with the first heat-conducting plate body 3 is increased, the acting force of the flue gas on the first heat-conducting plate body 3 is increased because the flow direction of the first heat-conducting plate body 3 is changed, the contact between the flue gas and the first heat-conducting plate body 3 is more sufficient, so that the heat conduction efficiency is higher, in addition, the part of the first heat conduction plate body 3 positioned in the inner cavity 12 is inclined to the other side, the stirrer 4 stirs the cooling fluid in the inner cavity 12 to rotate, the rotation is along the inclined direction of the first heat conduction plate body 3, then the rotation direction of the cooling fluid and the smoke flow direction of the cooling fluid pass through form a certain convection effect, so that the heat exchange efficiency is improved, and the heat conduction efficiency is also important factor is that the first heat conduction plate body 3 is an integrated heat conduction plate body which is spirally deformed and has no break point, so that the heat conduction efficiency between the two parts is not reduced when the inclined directions in the smoke flow chamber 21 and the inner cavity 12 are opposite, thereby improving the heat conduction efficiency and the speed of cooling the smoke, the flue gas is discharged to the outside through the gas outlet pipe 52 after passing through the flue gas flow-through chamber 21 or subjected to other treatment and purification procedures.
Further, the first heat-conducting plate body 3 has a diamond-shaped cross section.
In this embodiment, as shown in fig. 3, the cross section of the first heat-conducting plate body 3 is diamond or shuttle, two sides with smaller thickness of the first heat-conducting plate body 3 are respectively located at the upstream and downstream of the flow direction of the flue gas, when the flue gas passes through the first heat-conducting plate body 3, because the cross section of the first heat-conducting plate body 3 is diamond or shuttle, the flue gas can flow through all the surfaces of the first heat-conducting plate body 3, so that the contact area between the flue gas and the first heat-conducting plate body 3 when flowing through the first heat-conducting plate body 3 is increased, and then the heat conduction efficiency is correspondingly increased.
Further, the first heat-conducting plate body 3 has a first through hole 31 and a second through hole 32, the first through hole 31 and the second through hole 32 are arranged in an X-shaped intersecting manner,
the two ends of the first through hole 31 are respectively located on the two opposite side surfaces of the first heat conducting plate body 3, and the two ends of the second through hole 32 are respectively located on the other two opposite side surfaces of the first heat conducting plate body 3.
In this embodiment, as shown in fig. 3, the first heat-conducting plate 3 has the first through holes 31 and the second through holes 32 arranged in a cross manner, so that the surface area of the first heat-conducting plate 3 is increased, the contact area of the flue gas and the first heat-conducting plate is increased, the heat conduction efficiency is improved, in addition, when the flue gas enters the cross part through the inlet ends of the first through holes 31 and the second through holes 32, the flue gas on two sides is converged and collided together to exchange heat with each other, the temperature difference between the flue gas is reduced, the uniformity of the flue gas temperature in the flue gas circulation chamber 21 is improved, the heat conduction effect of each part of each first heat-conducting plate 3 is fully exerted, and the efficiency of cooling the flue gas is improved.
Further, the first through holes 31 and the second through holes 32 divide the first heat conductive plate body 3 into four heat conductive plate units 33 each having a diamond-shaped cross section.
In this embodiment, the first through hole 31 and the second through hole 32 divide the first heat conductive plate body 3 into four heat conductive plate units 33 with diamond-shaped cross sections, so that the surface area of the first heat conductive plate body 3 is further increased, the heat conduction efficiency is further improved, and the flue gas is cooled more quickly.
Further, the outer chamber 11 includes an outer upper end case 111, an outer side case 112 and an outer lower end case 113 connected in sequence,
the inner cavity 12 includes an inner upper end case 121, an inner side case 122 and an inner lower end case 123 connected in sequence,
the inlet pipe 51 and the outlet pipe 52 are provided on the outer lower end case 113 and the outer upper end case 111 respectively,
the side of the inner upper end shell 121 that is located inside the inner cavity 12 is a first conical surface 1211.
In this embodiment, as shown in fig. 3 and 8, the top surface of the inner cavity 12 is a first conical surface 1211, the cooling fluid in the inner cavity 12 rotates upwards along the inner wall of the inner cavity 12 under the stirring action of the stirrer 4 to form a vortex-like shape, and when the cooling fluid rises to a certain height to contact with the first conical surface 1211, part of the cooling fluid flows to the tip along the first conical surface 1211 and then falls to the center of the vortex, so that the effect of circulating the cooling fluid is realized, and the cooling efficiency is improved.
Further, the inner cavity 12 has a cooling fluid supply port 124 and a cooling fluid discharge port 125, and the cooling fluid discharge port 125 is located directly below the tip of the first tapered surface 1211.
In this embodiment, the cooling fluid flowing down through the first conical surface 1211 is generally cooling fluid with a higher temperature after cooling the first heat-conducting plate body 3, so that the cooling fluid outlet 125 is located below the tip of the first conical surface 1211, and can receive and discharge the cooling fluid with a higher temperature, and accordingly new cooling fluid is continuously supplied through the cooling fluid supply port 124, so that the cooling fluid can exchange heat and cool the first heat-conducting plate body 3, the cooling fluid discharged through the cooling fluid outlet 125 can be applied to other places where heat needs to be supplied, and then the fluid after heat supply is supplied into the inner cavity 12 through the cooling fluid supply port 124, so as to realize heat energy utilization.
Further, the method also comprises the steps of,
the second heat-conducting plate 53 is disposed on the inner upper end housing 121, and one end of the second heat-conducting plate 53 extends into the smoke flow chamber 21 and the other end extends into the inner chamber 12.
In this embodiment, as shown in fig. 3, the second heat-conducting plate 52 is disposed on the inner upper end shell 121, and because the side of the inner upper end shell 121 located in the inner cavity 12 is the first conical surface 1211, the cooling fluid passes through the first conical surface 1211, and therefore the second heat-conducting plate 52 is located there, the cooling fluid can cool the second heat-conducting plate 52, and further cooling of the flue gas is achieved.
Further, the end of the second heat conductive plate 53 located in the inner chamber 12 is inclined toward the tip near the first tapered surface 1211,
also included is a method of manufacturing a semiconductor device,
the receiving cylinder 54 is disposed below the inner upper end case 121 by the connecting column 55, and the receiving cylinder 54 is tapered with its smaller opening end facing the cooling fluid discharge port 125.
In this embodiment, as shown in fig. 3, one end of the second heat-conducting plate 53 in the inner cavity 12 is inclined towards the tip of the first conical surface 1211, and a containing cylinder 54 is disposed below the second heat-conducting plate, so that cooling fluid with a cooling function can be conveniently contained, the cooling fluid is conveyed into the cooling fluid outlet 125, and the outlet end of the containing cylinder 54 can be directly communicated with the cooling fluid outlet 125 through a pipeline, thereby improving output stability.
Further, the flue gas flow-through chamber 21 comprises a first flue gas channel 211, a second flue gas channel 212 and a third flue gas channel 213 which are communicated in sequence,
a first flue gas channel 211 is formed between the outer upper end shell 111 and the inner upper end shell 121,
a second flue gas channel 212 is formed between the outer shell 112 and the inner shell 122,
a third flue gas channel 213 is formed between the outer lower end shell 113 and the inner lower end shell 123,
the first flue gas channel 211 communicates with the outlet duct 52,
the third flue gas channel 213 communicates with the inlet duct 51,
the inner diameter of the air inlet pipe 51 is smaller than the inner diameter of the second flue gas channel 212, and the surfaces of the outer lower end shell 113 and the inner lower end shell 123 adjacent to each other are conical surfaces.
In this embodiment, as shown in fig. 3, the inner diameter of the air inlet pipe 51 is smaller than the inner diameter of the second flue gas channel 212, so that after the flue gas enters the second flue gas channel 212 through the air inlet pipe 51, the flow speed is reduced, the residence time of the flue gas in the second flue gas channel 212 is improved, the heat exchange time is improved, the cooling effect is improved, and in addition, the adjacent surfaces of the outer lower end shell 113 and the inner lower end shell 123 are conical surfaces, so that the flue gas entering through the third flue gas channel 213 is more uniformly diffused to the flue gas in the whole parts of the second flue gas channel 212, and the utilization efficiency of each first heat-conducting plate body 3 is improved.
Further, the method also comprises the steps of,
the diversion block 56 is rotatably arranged at the communication position of the third flue gas channel 213 and the air inlet pipeline 51,
the guide block 56 is conical, the tip of the guide block 56 faces the air inlet pipeline 51, a plurality of guide grooves 57 are formed in the conical surface of the guide block 56 along the circumferential direction of the guide block, and the guide grooves 57 are obliquely arranged.
In this embodiment, as shown in fig. 3 and 9, a guide block 56 is rotatably disposed at the communication position between the third flue gas channel 213 and the air inlet pipe 51, a plurality of guide grooves 57 are formed on the conical surface of the guide block 56, the guide grooves 57 are disposed at an angle with the bus of the conical guide block 56, that is, the inclined arrangement is adopted, when the flue gas flows through the guide block 56, the guide block 56 can rotate under the action of the guide grooves 57, so that the flue gas and the flue gas temperature entering the flue gas circulation chamber 21 are more uniform, the heat conduction effect of the first heat conduction plate body 3 can be fully exerted, and the cooling efficiency of the flue gas is improved.
Further, the agitator 4 includes,
a motor 41 disposed within the interior cavity 12,
the impeller 43 is provided on the output shaft of the motor 41.
In this embodiment, as shown in fig. 3, the impeller 43 is rotatably provided in the inner cavity 12 by the motor 41 and is located at the bottom center of the inner cavity 12.
Further, the agitator 4 may further comprise,
the shaft body 42 is provided with a blind hole 421 along the axial direction thereof, the impeller 43 is arranged on the output shaft of the motor 41 through the shaft body 42, the opening end of the blind hole 421 forms a cooling fluid outlet 125,
a hollow shaft sleeve 44 sleeved outside the shaft body 42, an annular opening 441 is arranged on the inner wall of the hollow shaft sleeve 44 adjacent to the shaft body 42,
the shaft body 42 has a communication hole 422 thereon, the blind hole 421 communicates with the annular opening 441 through the communication hole 422,
also included is a method of manufacturing a semiconductor device,
a cooling fluid discharge chamber 71 provided outside the outer chamber 11, the inside of the hollow boss 44 being in communication with the cooling fluid discharge chamber 71 through the cooling fluid discharge pipe 45,
the cooling fluid input cavity 72 is disposed outside the outer cavity 11, and the cooling fluid input cavity 72 communicates with the inside of the inner cavity 12 through the cooling fluid input pipe 46.
In this embodiment, as shown in fig. 3, when the impeller 43 rotates to generate a swirling rotation of the cooling fluid, the center of the impeller 43 is always free from the fluid due to the centrifugal force, so that the shaft body 42 is provided with the blind hole 421, and the opening end of the blind hole 421 is provided with the cooling fluid outlet 125, so that the cooling fluid passing through the tip of the first conical surface 1211 can be more easily discharged.
Further, the cooling fluid discharge chamber 71 and the cooling fluid input chamber 72 have an output port 73 and an input port 74, respectively.
In this embodiment, the output port 73 and the input port 74 may be connected to the pump body, respectively, so as to ensure the same fluid delivery amount of the output port 73 and the input port 74, and perform the function of balancing the cooling fluid in the inner cavity 12.
Further, the cooling fluid input pipes 46 are arranged in a circumferential direction, and the openings of the cooling fluid input pipes 46 in the inner cavity 12 are oriented in a tangential direction of the impeller 43.
In this embodiment, as shown in fig. 5, the opening of the cooling fluid input pipe 46 in the inner cavity 12 is oriented in the tangential direction of the impeller 43, so that when the cooling fluid is supplied into the inner cavity 12 through the cooling fluid input pipe 46, the rotating fluid is automatically formed, and the stirring load of the stirrer 4 can be reduced, and the energy loss caused by stirring the cooling fluid can be reduced.
Further, the method also comprises the steps of,
the second conical cylinder 75 is disposed at one end of the shaft body 42, and the smaller diameter end of the second conical cylinder 75 is in open communication with the blind hole 421, and the larger diameter end of the second conical cylinder 75 faces the tip of the first conical surface 1211.
In this embodiment, as shown in fig. 3 and 4, the second tapered cylinder 75 is provided to more easily hold the cooling fluid dropped through the tip of the first tapered surface 1211.
Further, the method also comprises the steps of,
the fan 81 is disposed in the air outlet pipe 52, and the inner diameter of the air outlet pipe 52 is smaller than the inner diameter of the outer cavity 11.
In this embodiment, the arrangement of the blower 81 can reduce the burden of the flow of the flue gas in the flue gas circulation chamber 21, and ensure the flow of the flue gas, and in addition, the inner diameter of the air outlet pipeline 52 is smaller than the inner diameter of the outer cavity 11, so that the burden of the blower 81 can be reduced, and the same guarantee that the flow velocity of the flue gas in the flue gas circulation chamber 21 is slower than the flow velocity of the flue gas in the air outlet pipeline 52.
Further, the outer cavity 11, the inner cavity 12, the air inlet pipe 51 and the air outlet pipe 52 together form a cooling shell, and the cooling shell is in a rotator shape.
In this embodiment, as shown in fig. 3, the cooling housing is in a shape of a rotator, the same flue gas circulation chamber 21 is also in a shape of a rotator, the first heat-conducting plate 3 and the second heat-conducting plate 53 are uniformly arranged around the central axis of the cooling housing, and the impeller 43 and the cooling housing are coaxial, so that the flue gas rotates more easily in the circular channel, and the cooling fluid rotates more easily in the inner cavity 12, thereby reducing energy consumption, and enabling the flue gas to be mixed more uniformly in the flue gas circulation chamber 21, and improving cooling efficiency.
Further, the connecting column 55 penetrates through the inner upper end shell 121, both ends of the connecting column 55 are respectively positioned in the inner cavity 12 and the smoke flow chamber 21, one end of the connecting column 55 positioned in the smoke flow chamber 21 extends into the air outlet pipeline 52,
the connecting column 55 has a plurality of heat conducting columns 551 outside the part of the side wall of the flue gas flow-through chamber 21,
the connection post 55 and the heat conduction post 551 are both heat conductors.
In this embodiment, as shown in fig. 3, the connecting column 55 penetrates through the tip of the first conical surface 1211, and the cooling fluid flows through the connecting column 55, so that heat exchange can be performed, and the effect of cooling the flue gas is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The flue gas cooler of the calciner is characterized by comprising,
an outer cavity (11),
an inner cavity (12), wherein the inner cavity (12) is arranged in the outer cavity (11), a smoke ventilation chamber (21) is formed between the outer wall of the inner cavity (12) and the inner wall of the outer cavity (11),
a first heat-conducting plate body (3), wherein the first heat-conducting plate body (3) penetrates through the side wall of the inner cavity (12), one end of the first heat-conducting plate body (3) stretches into the smoke circulation chamber (21), the other end stretches into the inner cavity (12),
the first heat-conducting plate body (3) is spiral, and the part of the first heat-conducting plate body (3) positioned in the smoke circulation chamber (21) is opposite to the inclined direction of the part of the first heat-conducting plate body positioned in the inner cavity (12),
an agitator (4), the agitator (4) being disposed within the inner chamber (12), the agitator (4) being configured to agitate fluid rotation within the inner chamber (12),
an air inlet pipeline (51), wherein the air inlet pipeline (51) is arranged at one end of the outer cavity (11) and is communicated with the flue gas circulation chamber (21),
an air outlet pipeline (52), wherein the air outlet pipeline (52) is arranged at the other end of the outer cavity (11) and is communicated with the flue gas circulation chamber (21),
the outer cavity (11) comprises an outer upper end shell (111), an outer side shell (112) and an outer lower end shell (113) which are sequentially connected,
the inner cavity (12) comprises an inner upper end shell (121), an inner side shell (122) and an inner lower end shell (123) which are sequentially connected,
the air inlet pipeline (51) is arranged on the outer lower end shell (113), the air outlet pipeline (52) is arranged on the outer upper end shell (111),
one surface of the inner upper end shell (121) positioned inside the inner cavity (12) is a first conical surface (1211),
the inner cavity (12) has a cooling fluid supply port (124) and a cooling fluid discharge port (125), the cooling fluid discharge port (125) being located directly below the tip of the first conical surface (1211),
the stirrer (4) stirs the cooling fluid in the inner cavity (12) to rotate in an inclined direction of the first heat-conducting plate (3) at the position,
the cooling fluid in the inner cavity (12) rotates upwards along the inner wall of the inner cavity (12) under the stirring action of the stirrer (4).
2. The calciner flue gas cooler of claim 1, wherein the calciner flue gas cooler comprises a flue gas cooler,
the section of the first heat-conducting plate body (3) is diamond-shaped.
3. The calciner flue gas cooler of claim 2, wherein the calciner flue gas cooler comprises a flue gas cooler,
the first heat-conducting plate body (3) is provided with a first through hole (31) and a second through hole (32), the first through hole (31) and the second through hole (32) are arranged in an X-shaped cross way,
the two ends of the first through hole (31) are respectively positioned on the two opposite side surfaces of the first heat conducting plate body (3), and the two ends of the second through hole (32) are respectively positioned on the other two opposite side surfaces of the first heat conducting plate body (3).
4. The calciner flue gas cooler of claim 1, wherein the calciner flue gas cooler comprises a flue gas cooler,
the smoke flow-through chamber (21) comprises a first smoke channel (211), a second smoke channel (212) and a third smoke channel (213) which are communicated in sequence,
the first flue gas channel (211) is formed between the outer upper end shell (111) and the inner upper end shell (121),
the second flue gas channel (212) is formed between the outer shell (112) and the inner shell (122),
the third flue gas channel (213) is formed between the outer lower end shell (113) and the inner lower end shell (123),
the first flue gas channel (211) is communicated with the air outlet pipeline (52),
the third flue gas channel (213) is communicated with the air inlet pipeline (51),
the inner diameter of the air inlet pipeline (51) is smaller than the inner diameter of the second flue gas channel (212), and the surfaces of the outer lower end shell (113) and the inner lower end shell (123) adjacent to each other are conical surfaces.
5. The calciner flue gas cooler of claim 4, further comprising,
the flow guide block (56), the flow guide block (56) is rotatably arranged at the communication part of the third flue gas channel (213) and the air inlet pipeline (51),
the guide block (56) is conical, the tip of the guide block (56) faces the air inlet pipeline (51), a plurality of guide grooves (57) are formed in the conical surface of the guide block (56) along the circumferential direction of the guide block, and the guide grooves (57) are obliquely arranged.
6. Calciner flue gas cooler according to claim 4, wherein the agitator (4) comprises,
a motor (41), the motor (41) being arranged in the inner cavity (12),
and an impeller (43), wherein the impeller (43) is arranged on the output shaft of the motor (41).
7. The calciner flue gas cooler according to claim 6, wherein the agitator (4) further comprises,
the shaft body (42), the shaft body (42) is axially provided with a blind hole (421), the impeller (43) is arranged on the output shaft of the motor (41) through the shaft body (42), the opening end of the blind hole (421) forms the cooling fluid outlet (125),
a hollow shaft sleeve (44), wherein the hollow shaft sleeve (44) is sleeved outside the shaft body (42), an annular opening (441) is formed in the inner wall of the hollow shaft sleeve (44) adjacent to the shaft body (42),
the shaft body (42) is provided with a communication hole (422), the blind hole (421) is communicated with the annular opening (441) through the communication hole (422),
also included is a method of manufacturing a semiconductor device,
a cooling fluid discharge cavity (71), wherein the cooling fluid discharge cavity (71) is arranged outside the outer cavity (11), the inside of the hollow shaft sleeve (44) is communicated with the cooling fluid discharge cavity (71) through a cooling fluid discharge pipe (45),
the cooling fluid input cavity (72), cooling fluid input cavity (72) set up outside outer cavity (11), cooling fluid input cavity (72) are through cooling fluid input pipe (46) with interior intercommunication of inner cavity (12).
8. The calciner flue gas cooler of claim 7, further comprising,
and the second conical cylinder (75) is arranged at one end of the shaft body (42), one end of the second conical cylinder (75) with smaller diameter is communicated with the opening of the blind hole (421), and one end of the second conical cylinder (75) with larger diameter faces the tip of the first conical surface (1211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310357511.8A CN116067191B (en) | 2023-04-06 | 2023-04-06 | Flue gas cooler of calciner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310357511.8A CN116067191B (en) | 2023-04-06 | 2023-04-06 | Flue gas cooler of calciner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116067191A CN116067191A (en) | 2023-05-05 |
| CN116067191B true CN116067191B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310357511.8A Active CN116067191B (en) | 2023-04-06 | 2023-04-06 | Flue gas cooler of calciner |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1376303A (en) * | 1972-05-03 | 1974-12-04 | Atomic Energy Authority Uk | Tubular heat exchangers |
| DE2420308C3 (en) * | 1974-04-26 | 1982-01-07 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Exhaust gas turbochargers for internal combustion engines |
| DE2533925C3 (en) * | 1975-07-30 | 1980-12-11 | Degussa Ag, 6000 Frankfurt | Process for the production of finely divided oxides of metals and / or silicon |
| US20020162652A1 (en) * | 1999-10-18 | 2002-11-07 | Andersen Jens Otto Ravn | Flue gas heat exchanger and fin therefor |
| JP2002309936A (en) * | 2001-04-16 | 2002-10-23 | Toyota Motor Corp | Heat storage tank |
| KR101307322B1 (en) * | 2011-05-31 | 2013-09-10 | 공주대학교 산학협력단 | Exhaust heat recovery device in automobile |
| CN205672674U (en) * | 2016-05-16 | 2016-11-09 | 北京香源溪环保科技有限公司 | A kind of degree of depth dedusting demister |
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