CN110004275B - Temperature control air guide system - Google Patents
Temperature control air guide system Download PDFInfo
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- CN110004275B CN110004275B CN201910430785.9A CN201910430785A CN110004275B CN 110004275 B CN110004275 B CN 110004275B CN 201910430785 A CN201910430785 A CN 201910430785A CN 110004275 B CN110004275 B CN 110004275B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 40
- 239000010959 steel Substances 0.000 description 40
- 238000000034 method Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention provides a temperature control air guide system, which relates to the technical field of heat treatment, and comprises a furnace body, a supporting and conveying device, an air guide muffle, a temperature control device and an air guide blower, wherein the supporting and conveying device is arranged at the bottom of the furnace body and is provided with a conveying surface for conveying workpieces, the air guide Ma Furong is arranged in the furnace body, and the temperature control device is arranged on the air guide muffle and is used for adjusting the temperature in the air guide muffle; the air guide fan is arranged on the air guide muffle and used for driving air in the air guide muffle to flow; one end of the air guide muffle is provided with a first air outlet and a second air outlet, and the first air outlet and the second air outlet are respectively arranged opposite to the upper side and the lower side of the conveying surface and are used for air-out to the upper side and the lower side of the conveying surface. Compared with the prior art, the temperature control air guide system provided by the invention can ensure that the upper part of the workpiece is heated/cooled and the lower part of the workpiece is heated/cooled uniformly, so that the heat treatment/cold treatment quality is improved.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a temperature control air guide system.
Background
In the case of heat treatment of a steel strip (plate) (or other metal material), since the steel strip (plate) is continuously heat-treated, the steel strip (plate) is heated mainly by radiation heating or by a front blowing cycle, and these methods have a phenomenon of uneven heating.
In the existing heating method, the temperature of the radiation heating part close to the radiation pipe is higher, the temperature of the radiation heating part far away from the radiation pipe is lower, and even if stirring circulation is used, the problems of non-uniform heating of the upper part and the lower part of the steel belt (plate) cannot be solved.
Disclosure of Invention
The invention aims to provide a temperature control air guide system which can lead the heating/cooling of the upper part of a steel belt (plate) and the heating/cooling of the lower part to be uniform and improve the heat treatment/cold treatment quality.
The invention is realized by adopting the following technical scheme.
The temperature control air guide system comprises a furnace body, a support conveying device, an air guide muffle, a temperature control device and an air guide fan, wherein the support conveying device is arranged at the bottom of the furnace body and is provided with a conveying surface for conveying workpieces, the air guide Ma Furong is arranged in the furnace body, and the temperature control device is arranged on the air guide muffle and is used for adjusting the temperature in the air guide muffle; the air guide fan is arranged on the air guide muffle and used for driving air in the air guide muffle to flow; one end of the air guide muffle is provided with a first air outlet and a second air outlet, and the first air outlet and the second air outlet are respectively arranged opposite to the upper side and the lower side of the conveying surface and are used for air-out to the upper side and the lower side of the conveying surface.
Further, the air-guiding muffle comprises a shell, an air outlet structure and an air inlet structure, wherein an air guiding channel is arranged in the shell, a temperature control device is arranged on the shell and stretches into the air guiding channel, the air outlet structure and the air inlet structure are respectively arranged at two ends of the shell, the air outlet structure and the air inlet structure are respectively opposite to two ends of a conveying surface, a first air outlet and a second air outlet are respectively formed in the air outlet structure, the first air outlet and the second air outlet are communicated with the air guiding channel, and a first air inlet communicated with the air guiding channel is formed in the air inlet structure.
Further, the air inlet structure is also provided with a second air inlet, and the first air inlet and the second air inlet are respectively opposite to the first air outlet and the second air outlet.
Further, the casing includes air supply portion and income wind portion, and temperature control device sets up between air supply portion and income wind portion, and air-out structure is connected with the one end that temperature control device was kept away from to air supply portion, and income wind structure is connected with the one end that temperature control device was kept away from to income wind portion, and air supply portion is loudspeaker form, and the width that air supply portion is close to air-out structure is less than the width that income wind portion kept away from air-out structure.
Further, the air-out structure includes division board and air-out regulating plate, and the division board sets up in the wind-guiding passageway and separates into first air-out passageway and second air-out passageway with the wind-guiding passageway, and first air outlet and second air outlet communicate with first air-out passageway and second air-out passageway respectively, and the air-out regulating plate is articulated with the division board for adjust the air-out volume of first air-out passageway and second air-out passageway.
Further, the diversion fan is arranged at one end of the air guide muffle far away from the first air outlet.
Further, the supporting and conveying device comprises a plurality of supporting rollers which are arranged in parallel, the supporting sides of the supporting rollers jointly form a conveying surface, and the air outlet direction of the first air outlet and the air outlet direction of the second air outlet are perpendicular to the conveying direction of the supporting rollers.
Further, the first air outlet extends along the conveying direction of the plurality of support rollers, the second air outlet is multiple, heat transfer gaps are formed between two adjacent support rollers, and the plurality of second air outlets are in one-to-one correspondence with the plurality of heat transfer gaps.
Further, the temperature control device is a heating device or a cooling device.
Further, the temperature control air guide system further comprises a temperature thermocouple, wherein the temperature thermocouple is arranged at the top of the furnace body and downwards penetrates through the air guide muffle and is used for measuring the temperature of the workpiece.
The heat treatment equipment comprises at least one temperature control air guide system, wherein the temperature control air guide system comprises a furnace body, a supporting and conveying device, an air guide muffle, a temperature control device and an air guide blower, the supporting and conveying device is arranged at the bottom of the furnace body and provided with a conveying surface for conveying workpieces, the air guide Ma Furong is arranged in the furnace body, and the temperature control device is arranged on the air guide muffle and used for adjusting the temperature in the air guide muffle; the air guide fan is arranged on the air guide muffle and used for driving air in the air guide muffle to flow; one end of the air guide muffle is provided with a first air outlet and a second air outlet, and the first air outlet and the second air outlet are respectively arranged opposite to the upper side and the lower side of the conveying surface and are used for air-out to the upper side and the lower side of the conveying surface.
The invention has the following beneficial effects:
The invention provides a temperature control air guide system, which is characterized in that a supporting and conveying device is arranged at the bottom of a furnace body and is provided with a conveying surface, one end of an air guide muffle is provided with a first air outlet and a second air outlet, and the first air outlet and the second air outlet are respectively arranged opposite to the upper side and the lower side of the conveying surface. In the actual temperature control process, a workpiece is placed on a conveying surface of a supporting and conveying device for conveying, and under the action of a flow guide fan, air in the air guide muffle is sprayed out from a first air outlet and a second air outlet after being heated or cooled by a temperature control device and moves along the upper surface and the lower surface of the workpiece, so that the function of simultaneously heating or cooling the upper surface and the lower surface of the workpiece is realized. Compared with the prior art, the temperature control air guide system provided by the invention can ensure that the upper part of the workpiece is heated/cooled and the lower part of the workpiece is heated/cooled uniformly, so that the heat treatment/cold treatment quality is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first view angle of a temperature-controlled air guiding system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the temperature-controlled air guiding system according to the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third view angle of the temperature-controlled air guiding system according to the first embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of IV of FIG. 1;
fig. 5 is a schematic view of a heat treatment apparatus according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of a second view of a heat treatment apparatus according to a second embodiment of the present invention.
Icon: 100-a temperature control air guide system; 110-furnace body; 130-support conveyor; 131-conveying surface; 133-supporting guide rollers; 150-wind-guiding muffle; 151-a housing; 151 a-an air supply part; 151 b-wind inlet part; 153-an air outlet structure; 153 b-dividing plate; 153 a-an air outlet adjusting plate; 155-a wind inlet structure; 156-a first air outlet; 157-a second air outlet; 158-a first air inlet; 159-a second air inlet; 170-a temperature control device; 180-a diversion fan; 190-temperature thermocouple.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1 and 2 in combination, the present embodiment provides a temperature control air guiding system 100, which includes a furnace body 110, a supporting and conveying device 130, an air guiding muffle 150, a temperature control device 170, an air guiding blower 180 and a temperature thermocouple 190, wherein the supporting and conveying device 130 is disposed at the bottom of the furnace body 110 and has a conveying surface 131 for conveying workpieces, the air guiding muffle 150 is accommodated in the furnace body 110, and the temperature control device 170 is disposed on the air guiding muffle 150 and is used for adjusting the temperature inside the air guiding muffle 150; the air guiding fan 180 is arranged on the air guiding muffle 150 and is used for driving air in the air guiding muffle 150 to flow; one end of the air guide muffle 150 is provided with a first air outlet 156 and a second air outlet 157, and the first air outlet 156 and the second air outlet 157 are respectively opposite to the upper and lower sides of the conveying surface 131, and are used for air-out to the upper and lower sides of the conveying surface 131. A temperature thermocouple 190 is provided at the top of the furnace body 110 and penetrates the wind-guiding muffle 150 downward for measuring the temperature of the workpiece.
In this embodiment, the temperature control device 170 is a heating device, and the temperature control air guiding system 100 is a heating air guiding system for performing a heat treatment process on a workpiece, specifically, the heating device is installed on the furnace body 110 and extends downward into the air guiding muffle 150, so that the heating element is located in the circulating air flow system, and heats the air flow, so that the first air outlet 156 and the second air outlet 157 blow out hot air. Of course, in other preferred embodiments of the present invention, the temperature control device 170 may also be a cooling device, and the temperature control air guiding system 100 is a cooling air guiding system for performing a cold treatment process on a workpiece, and meanwhile, it can ensure that the cooling effect of the workpiece is uniform.
It should be noted that, in this embodiment, the workpiece is a steel plate or a steel belt, the steel belt (plate) is laid on the conveying surface 131 of the supporting and conveying device 130 to perform conveying operation, and the first air outlet 156 and the second air outlet 157 can respectively face the upper surface and the lower surface of the steel belt (plate), so as to heat the upper surface and the lower surface of the steel belt (plate) at the same time, thereby ensuring that the upper portion and the lower portion of the steel belt (plate) are heated at the same time, and improving the heating uniformity of the steel belt (plate).
In this embodiment, the air guiding fan 180 is a centrifugal fan, and can sufficiently drive the air inside the air guiding muffle 150 to flow. Of course, the flow guiding fan 180 may be any other type of fan such as a cross-flow fan, which is not limited herein.
The air-guiding muffle 150 comprises a shell 151, an air outlet structure 153 and an air inlet structure 155, wherein an air guiding channel is arranged in the shell 151, a temperature control device 170 is arranged on the shell 151 and extends into the air guiding channel, the air outlet structure 153 and the air inlet structure 155 are respectively arranged at two ends of the shell 151, the air outlet structure 153 and the air inlet structure 155 are respectively opposite to two ends of the conveying surface 131, a first air outlet 156 and a second air outlet 157 are respectively arranged on the air outlet structure 153, the first air outlet 156 and the second air outlet 157 are both communicated with the air guiding channel, a first air inlet 158 communicated with the air guiding channel and a second air inlet 159 communicated with the air guiding channel are arranged on the air inlet structure 155, and the first air inlet 158 and the second air inlet 159 are respectively opposite to the first air outlet 156 and the second air outlet 157 and are respectively arranged at two sides of the supporting and conveying device 130.
In this embodiment, under the blocking action of the furnace body 110, the shell 151, the air outlet structure 153, the air inlet structure 155 and the bottom wall of the furnace body 110 enclose a heating cavity together, the supporting and conveying device 130 is arranged in the heating cavity, the air outlet structure 153 and the air inlet structure 155 are respectively arranged at the left side and the right side of the supporting and conveying device 130, air ejected from the first air outlet 156 and the second air outlet 157 moves to the right side from the upper side surface and the lower side surface of the steel strip (plate) in sequence, the steel strip (plate) is heated, the uniformity of heating of the steel strip (plate) in the width direction is ensured, and meanwhile, the uniformity of heating of the upper part and the lower part of the steel strip (plate) in the thickness direction is ensured.
It should be noted that, the air-guiding muffle 150 adopts an integral structure, that is, the housing 151, the air-out structure 153 and the air-in structure 155 are integrally formed, and both ends of the housing 151 are bent downward and inward to form the air-out structure 153 and the air-in structure 155. The hot air ejected from the first air outlet 156 and the second air outlet 157 heats the steel strip (plate) and then enters the air guide passage in the case 151 from the first air inlet 158 and the second air inlet 159, thereby forming a thermal cycle.
In other preferred embodiments of the present invention, only one first air inlet 158 may be provided on the air inlet structure 155, and the first air inlet 158 collects air after heat treatment on the upper side surface and the lower side surface of the steel strip (plate), and it should be noted that the height of the first air inlet 158 in the up-down direction is larger at this time, so that the air can be sucked into the housing 151 again as much as possible.
The casing 151 includes an air supply portion 151a and an air inlet portion 151b, the temperature control device 170 is disposed between the air supply portion 151a and the air inlet portion 151b, the air outlet structure 153 is connected to one end of the air supply portion 151a away from the temperature control device 170, the air inlet structure 155 is connected to one end of the air inlet portion 151b away from the temperature control device 170, the air supply portion 151a is in a horn shape, and the width of the air supply portion 151a close to the air outlet structure 153 is smaller than the width of the air inlet portion 151b away from the air outlet structure 153. By flattening and lengthening the air supply part 151a, the air outlet of the first air outlet 156 and the second air outlet 157 in the length direction of the steel belt (plate) is uniform, and the heated steel belt (plate) is ensured to be uniform in the length direction.
In this embodiment, the air guiding fan 180 is disposed at an end of the air guiding muffle 150 away from the first air outlet 156. Specifically, the external accessory of the flow guiding fan 180 is disposed on the furnace body 110, the flow guiding fan 180 is disposed on the housing 151 and extends into the housing 151, and the flow guiding fan 180 is disposed near the inlet structure, so that negative pressure is formed at the inlet to guide the circulating airflow to flow.
In this embodiment, the supporting and conveying device 130 includes a plurality of supporting rollers disposed in parallel, the supporting sides of the supporting rollers together form a conveying surface 131, and the air outlet direction of the first air outlet 156 and the air outlet direction of the second air outlet 157 are perpendicular to the conveying direction of the supporting rollers.
Further, the first air outlet 156 extends along the conveying direction of the supporting rollers, the second air outlet 157 is multiple, a heat transfer gap is formed between two adjacent supporting rollers, and the second air outlets 157 are arranged in one-to-one correspondence with the heat transfer gaps.
Specifically, in this embodiment, the first air outlet 156 is of an integral opening structure, the second air outlet 157 is of a dispersed opening structure, meanwhile, the first air inlet 158 is also of an integral opening structure, the second air inlet 159 is also of a dispersed opening structure, and the plurality of second air inlets 159 and the plurality of second air outlets 157 are arranged in one-to-one correspondence and are uniformly arranged at the gaps of adjacent support rollers.
It should be noted that, the first air outlet 156 and the second air outlet 157 are perpendicular to the advancing direction of the steel strip, and the heating air guiding system is arranged perpendicular to the moving direction of the steel strip (plate), and can be continuously accumulated according to the heat treatment process requirement of the steel strip (plate) without being limited by the length direction of the equipment.
In this embodiment, the temperature thermocouple 190 is inserted into a proper position on the upper portion of the steel strip (plate) after passing through the housing 151 from the furnace top, and the temperature thermocouple 190 is electrically connected with a heating device, and the heating device can change the heating temperature according to the temperature feedback signal collected by the temperature thermocouple 190, so that the actual temperature of the steel strip (plate) can be accurately controlled. It should be noted that, the electric control principle between the temperature thermocouple 190 and the heating device is consistent with the existing feedback circuit principle, and will not be described herein.
Referring to fig. 4, the air outlet structure 153 includes a partition plate 153b and an air outlet adjusting plate 153a, the partition plate 153b is disposed in the air guiding channel and divides the air guiding channel into a first air outlet channel and a second air outlet channel, the first air outlet 156 and the second air outlet 157 are respectively communicated with the first air outlet channel and the second air outlet channel, and the air outlet adjusting plate 153a is hinged with the partition plate 153b for adjusting the air outlet volumes of the first air outlet channel and the second air outlet channel.
Specifically, the partition plate 153b is bent downward and inward and divided into two sections at the distal end for constituting the lower portion of the first air outlet 156 and the upper portion of the second air outlet 157, respectively. The air outlet adjusting plate 153a extends towards the middle of the air guide channel and is perpendicular to the air outlet direction, the width ratio of the first air outlet channel and the second air outlet channel can be changed by changing the included angle between the air outlet adjusting plate 153a and the partition plate 153b, specifically, when the air outlet adjusting plate 153a is adjusted upwards, the width of the first air outlet channel is increased, so that the air outlet of the first air outlet 156 is improved, when the air outlet adjusting plate 153a is adjusted downwards, the width of the second air outlet channel is increased, so that the air outlet of the second air outlet 157 is improved, the flow of hot air on the upper side and the lower side of the steel belt (plate) can be adjusted, the upper side and the lower side of the steel belt (plate) are guaranteed to be heated uniformly, and the temperature is consistent.
In summary, the present embodiment provides a temperature control air guiding system 100, which has the following working principle: after circulating hot air is coarsely fed from a first air outlet 156 and a second air outlet 157 of the air guide muffle 150, the steel strip (plate) to be treated moves to the right along the upper layer and the lower layer of the steel strip (plate), and enters the air guide muffle 150 again after passing through a first air inlet 158 and a second air inlet 159 of the air guide muffle 150 on the right side, is centrifugally thrown out by a guide fan, continuously moves forward along a shell 151 of the air guide muffle 150 after passing through a heating device, and reaches the first air outlet 156 and the second air outlet 157 to realize the next circulation.
The temperature control air guiding system 100 provided in this embodiment has the following effects: the air guide muffle 150 is provided with the air guide fan 180, after being uniformly stirred by the air guide fan 180, the air outlet is elongated through flattening, namely, the first air outlet 156 is of an integral opening structure, the second air outlet 157 is of a dispersed arrangement, so that the heating is uniform in the length direction of the steel belt (plate), and hot air flows from one end to the other end of the steel belt (plate) during heating, so that the steel belt (plate) is uniformly heated in the width direction, and simultaneously, the air flows and is heated along the upper side and the lower side of the steel belt (plate) respectively through the first air outlet 156 and the second air outlet 157, and the air quantity can be regulated through the air outlet regulating plate 153a, so that the steel belt (plate) is uniformly heated on the upper plate surface and the lower plate surface of the steel belt (plate), and the temperature is uniform, and the heating of the steel belt (plate) is uniform. In addition, through changing heating device for cooling device, this device can be used as the cooling station of heat treatment facility, ensures that the cooling effect is even. Meanwhile, due to the fact that the advancing direction perpendicular to the steel belt (plate) is adopted, continuous accumulation can be carried out according to the heat treatment process requirements of the steel belt (plate) without considering the limitation of the length direction of the equipment.
Second embodiment
Referring to fig. 5 and 6 in combination, this embodiment provides a heat treatment apparatus (not numbered in the figures) including a conveying installation rail (not numbered in the figures) and at least one temperature-controlled air guiding system 100, wherein the basic structure and principle of the temperature-controlled air guiding system 100 and the technical effects thereof are the same as those of the first embodiment, and for brevity, the details of the description of this embodiment are not mentioned in the section of this embodiment, and reference is made to the corresponding matters in the first embodiment.
In this embodiment, there are two temperature-controlled air guiding systems 100, and the two temperature-controlled air guiding systems 100 are installed in parallel on the conveying installation rail.
The temperature control air guiding system 100 comprises a furnace body 110, a supporting and conveying device 130, an air guiding muffle 150, a temperature control device 170 and an air guiding blower 180, wherein the supporting and conveying device 130 is arranged at the bottom of the furnace body 110 and is provided with a conveying surface 131 for conveying workpieces, the air guiding muffle 150 is accommodated in the furnace body 110, and the temperature control device 170 is arranged on the air guiding muffle 150 and is used for adjusting the temperature inside the air guiding muffle 150; the air guiding fan 180 is arranged on the air guiding muffle 150 and is used for driving air in the air guiding muffle 150 to flow; one end of the air guide muffle 150 is provided with a first air outlet 156 and a second air outlet 157, and the first air outlet 156 and the second air outlet 157 are respectively opposite to the upper and lower sides of the conveying surface 131, and are used for air-out to the upper and lower sides of the conveying surface 131.
Specifically, the supporting and conveying devices 130 of the two temperature-controlled air guiding systems 100 are arranged in parallel on the conveying and mounting rail, and the steel strip (plate) sequentially passes through the two supporting and conveying devices 130, so that the heating can be continuously performed in the length direction of the steel strip.
Of course, the temperature control air guiding system 100 may be three or four, and may be appropriately increased or decreased according to actual requirements, which is not described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The temperature control air guide system is characterized by comprising a furnace body, a supporting and conveying device, an air guide muffle, a temperature control device and a flow guide fan, wherein the supporting and conveying device is arranged at the bottom of the furnace body and is provided with a conveying surface for conveying workpieces, the air guide Ma Furong is arranged in the furnace body, and the temperature control device is arranged on the air guide muffle and is used for adjusting the temperature in the air guide muffle; the air guide fan is arranged on the air guide muffle and used for driving air in the air guide muffle to flow; one end of the air guide muffle is provided with a first air outlet and a second air outlet, the first air outlet is opposite to the upper side of the conveying surface and is used for discharging air to the upper side of the conveying surface, and the second air outlet is opposite to the lower side of the conveying surface and is used for discharging air to the lower side of the conveying surface;
The air-guiding muffle comprises a shell, an air outlet structure and an air inlet structure, wherein an air guiding channel is arranged in the shell, the temperature control device is arranged on the shell and stretches into the air guiding channel, the air outlet structure and the air inlet structure are respectively arranged at two ends of the shell, the air outlet structure and the air inlet structure are respectively opposite to two ends of the conveying surface, the air outlet structure is respectively provided with a first air outlet and a second air outlet, the first air outlet and the second air outlet are both communicated with the air guiding channel, and the air inlet structure is provided with a first air inlet communicated with the air guiding channel; wherein air ejected from the first air outlet and the second air outlet sequentially moves from the upper side surface and the lower side surface of the workpiece to heat the workpiece;
The air outlet structure comprises a separation plate and an air outlet adjusting plate, the separation plate is arranged in the air guide channel and separates the air guide channel into a first air outlet channel and a second air outlet channel, the first air outlet is communicated with the first air outlet channel, the second air outlet is communicated with the second air outlet channel, and the air outlet adjusting plate is hinged with the separation plate and is used for adjusting the air outlet of the first air outlet channel and the second air outlet channel;
the air outlet adjusting plate extends towards the middle of the air guide channel and is perpendicular to the air outlet direction, and the width ratio of the first air outlet channel to the second air outlet channel can be changed by changing the included angle between the air outlet adjusting plate and the separating plate.
2. The temperature-controlled air guiding system according to claim 1, wherein a second air inlet is further formed in the air inlet structure, the first air inlet is opposite to the first air outlet, and the second air inlet is opposite to the second air outlet.
3. The temperature-controlled air guide system according to claim 1, wherein the housing comprises an air supply part and an air inlet part, the temperature control device is arranged between the air supply part and the air inlet part, the air outlet structure is connected with one end of the air supply part, which is far away from the temperature control device, the air inlet structure is connected with one end of the air inlet part, which is far away from the temperature control device, the air supply part is in a horn shape, and the width of the air supply part, which is close to the air outlet structure, is smaller than the width of the air inlet part, which is far away from the air outlet structure.
4. A temperature-controlled air-guiding system according to any one of claims 1-3, wherein the air-guiding blower is disposed at an end of the air-guiding Ma Fuyuan away from the first air outlet.
5. A temperature-controlled air-guiding system according to any one of claims 1-3, wherein the supporting and conveying device comprises a plurality of supporting rollers arranged in parallel, the supporting sides of the supporting rollers jointly form the conveying surface, and the air outlet direction of the first air outlet and the air outlet direction of the second air outlet are perpendicular to the conveying direction of the supporting rollers.
6. The temperature-controlled air guiding system according to claim 5, wherein the first air outlet extends along the conveying direction of the plurality of support rollers, the second air outlet is multiple, a heat transfer gap is formed between two adjacent support rollers, and the second air outlets are arranged in one-to-one correspondence with the heat transfer gaps.
7. A temperature controlled air guiding system according to any of claims 1-3, wherein the temperature control device is a heating device or a cooling device.
8. A temperature-controlled wind-guiding system according to any one of claims 1-3, further comprising a temperature thermocouple disposed at the top of the furnace body and extending downwardly through the wind-guiding muffle for measuring the temperature of the workpiece.
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| CN201910430785.9A CN110004275B (en) | 2019-05-22 | 2019-05-22 | Temperature control air guide system |
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| CN201910430785.9A CN110004275B (en) | 2019-05-22 | 2019-05-22 | Temperature control air guide system |
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| CN110004275B true CN110004275B (en) | 2024-06-21 |
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| CN210151161U (en) * | 2019-05-22 | 2020-03-17 | 江苏丰东热技术有限公司 | Temperature control air guide system |
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| US4963091A (en) * | 1989-10-23 | 1990-10-16 | Surface Combustion, Inc. | Method and apparatus for effecting convective heat transfer in a cylindrical, industrial heat treat furnace |
| JP2007263480A (en) * | 2006-03-29 | 2007-10-11 | Mitsubishi Materials Techno Corp | Muffle furnace |
| US8257644B2 (en) * | 2007-04-20 | 2012-09-04 | Hitachi Industrial Equipment Systems Co., Ltd. | Iron core annealing furnace |
| DE102009048797B3 (en) * | 2009-10-08 | 2011-03-03 | Wieland-Werke Ag | Heat treatment plant comprises a processing chamber and a circulating device for circulating hot gas in a heating circuit supplying heating or cooling gas to processing chamber, where flow channels are arranged into processing chamber |
| CN201574178U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Novel longitudinal heated air circulating device |
| CH703729A3 (en) * | 2011-12-27 | 2012-04-30 | V Zug Ag | Oven with bottom heat and hot air. |
| CN204325444U (en) * | 2014-12-15 | 2015-05-13 | 北京京杰锐思技术开发有限公司 | Heat treatment furnace bilayer pinches refrigerating unit |
| WO2017054212A1 (en) * | 2015-10-01 | 2017-04-06 | 史利利 | Heater |
| CN206326229U (en) * | 2016-12-29 | 2017-07-14 | 长兴恒达炉业有限公司 | A kind of aluminum honeycomb panel soldering preheating Muffle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107841609A (en) * | 2017-12-14 | 2018-03-27 | 苏州中门子科技有限公司 | A kind of aviation or the special deflecting jet flow heat-treatment furnace of military aluminium |
| CN210151161U (en) * | 2019-05-22 | 2020-03-17 | 江苏丰东热技术有限公司 | Temperature control air guide system |
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