CN215560532U - Annealing furnace for hot galvanizing of strip steel - Google Patents
Annealing furnace for hot galvanizing of strip steel Download PDFInfo
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- CN215560532U CN215560532U CN202122103042.6U CN202122103042U CN215560532U CN 215560532 U CN215560532 U CN 215560532U CN 202122103042 U CN202122103042 U CN 202122103042U CN 215560532 U CN215560532 U CN 215560532U
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Abstract
The utility model relates to an annealing stove for belted steel hot-galvanize relates to the technical field of annealing stove, and it includes the furnace body, is equipped with first cavity and second cavity in the furnace body, is provided with heating device in the first cavity, and heating device includes the gas pipeline, is provided with first barrier plate, second barrier plate and third barrier plate in the gas pipeline, and first barrier plate, second barrier plate and third barrier plate cut off the gas pipeline jointly. The third barrier plate is provided with a gas through hole, a groove, a first gas outlet and a second gas outlet, and the third barrier plate is provided with a gas control device. This application can seal the gas pipeline through the setting of first barrier plate, second barrier plate and third barrier plate for the gas can only pass through the gas pipeline in following gas through-hole, recess, first gas export and the second gas export through gas controlling means through the gas controlling means, thereby has improved the control to gas flow in the gas pipeline, and then has improved the control degree to the internal temperature of furnace.
Description
Technical Field
The application relates to the field of annealing furnaces, in particular to an annealing furnace for hot galvanizing of strip steel.
Background
The annealing furnace is a common device used in annealing treatment of metals, and can be divided into an electric heating annealing furnace, a fuel oil annealing furnace and a natural gas annealing furnace according to different heating modes.
The utility model discloses a chinese utility model patent that grant publication number is CN213538037U discloses an annealing stove of continuous hot galvanizing line of belted steel, including the furnace body, the feed port that is used for the feeding is offered to the antetheca of furnace body, and the inside symmetry fixed mounting of feed port has two spliced poles, and one side outer wall face symmetry fixed mounting that the furnace body was kept away from to two spliced poles has two connecting pipes, and the clearance groove has all been seted up to the one end that two connecting pipes are close to each other, and the inside symmetry activity joint of two clearance grooves has two clearance pieces. When the steel strip passes through the two connecting pipes, one side wall surface of the cleaning blocks in the two cleaning grooves, which are close to each other, is in contact friction with the upper surface and the lower surface of the steel strip, so that impurities on the surface of the steel strip can be cleaned.
Aiming at the related technologies, the inventor thinks that when strip steel needs to enter a zinc pot for galvanizing after finishing annealing operation in an annealing furnace, the pot entering temperature of the strip steel is a key parameter of a hot galvanizing process, and the pot entering temperature of the strip steel has a direct relation with strip steel surface defects such as zinc grains, zinc flow marks and the like and the generation of zinc ash and zinc slag. In the related art, the heating section and the cooling section of the annealing furnace are only opened and closed, and the degree of temperature control in the furnace body is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the control degree to the internal temperature of annealing stove, this application provides an annealing stove for belted steel hot dip galvanizing.
The annealing furnace for hot galvanizing of the strip steel adopts the following technical scheme:
an annealing furnace for hot galvanizing of strip steel comprises a furnace body, wherein a first cavity and a second cavity are formed in the furnace body along the length direction of the furnace body, a heating device is arranged on the first cavity and comprises a gas pipeline connected with the first cavity, a first barrier plate and a second barrier plate are arranged in the gas pipeline in parallel and in a staggered mode, the areas of the first barrier plate and the second barrier plate are smaller than the cross-sectional area of the gas pipeline, a third barrier plate is connected between the first barrier plate and the second barrier plate and partitions the gas pipeline together, a gas through hole and a groove are formed in the third barrier plate along the thickness direction of the third barrier plate, a first gas outlet and a second gas outlet are formed in the wall of the gas through hole, and the first gas outlet and the second gas outlet are arranged along the length direction of the gas through hole, the first fuel gas outlet and the second fuel gas outlet are communicated with the groove, and the third blocking plate is further provided with a fuel gas control device used in cooperation with the fuel gas through hole.
Through adopting above-mentioned technical scheme, the gas can only pass through in first gas export, the second gas export on the third barrier plate and the gas through-hole through gas controlling means, through to different open-ended controls, can control the gas flow in the gas pipeline better to improved the control degree to the internal heating section temperature of furnace, improved the control degree to the internal temperature of furnace.
Optionally, the gas control device includes threaded connection pole, knob and sealed lug, threaded connection pole wears to locate on one side lateral wall of gas pipeline, threaded connection pole links to each other with the lateral wall screw thread of gas pipeline, the one end that threaded connection pole is located the gas pipeline links to each other with sealed lug, sealed lug and the cooperation of gas through-hole joint, the one end that threaded connection pole is located the gas pipeline is continuous with the knob.
By adopting the technical scheme, when the gas pipeline needs to be closed, the knob is rotated, so that the sealing lug moves towards the direction close to the gas through hole, and when the sealing lug completely seals the first gas outlet and the second gas outlet, the gas pipeline is closed; when gas pipeline was opened to needs, the knob rotated for sealed lug removes towards the direction of keeping away from the gas through-hole, along with sealed lug from the downthehole roll-off of gas through-hole gradually, first gas export and second gas export can be opened gradually. The threaded connecting rod, the knob and the sealing lug are arranged, so that the installation is convenient, the cost is low, and the operation is simple.
Optionally, the gas control device includes a cylinder and a matching lug, the cylinder is installed outside the gas pipeline, a piston rod of the cylinder passes through a side wall of the gas pipeline and is connected with the matching lug, and the matching lug is in clamping fit with the gas through hole.
By adopting the technical scheme, when the gas pipeline needs to be sealed, the cylinder is started, the piston rod of the cylinder moves towards the direction close to the gas through hole until the first gas outlet and the second gas outlet are completely sealed by the matching lug on the piston rod, and the gas pipeline is sealed at the moment; when gas pipeline was opened to needs, the cylinder was started for the piston rod of cylinder removes towards the direction of keeping away from the gas through-hole, and the cooperation lug can follow and slide out gradually in the gas through-hole, thereby opens first gas export and second gas export. The setting of cylinder and cooperation lug can carry out remote operation to the gas flow in the gas pipeline, has improved the security.
Optionally, the surface of the matching bump is sleeved with an elastic rubber.
Through adopting above-mentioned technical scheme, the leakproofness when cooperation lug and gas through-hole sliding fit can be improved in the setting of elastic rubber to the gas has been reduced and has been leaked the possibility in the clearance between cooperation lug and the gas through-hole.
Optionally, be provided with pressure-sensitive device on the gas pipeline, pressure-sensitive device is located one side that first barrier plate is close to gas controlling means, pressure-sensitive device includes pressure sensor, pressure display and slider, first mounting groove has been seted up on the inside wall of gas pipeline, pressure sensor sets up on the diapire of first mounting groove, the slider slides and sets up in first mounting groove, all be provided with the stopper that is used for preventing in the first mounting groove of slider roll-off on the both sides lateral wall of first mounting groove, pressure display installs on the lateral wall of gas pipeline.
Through adopting above-mentioned technical scheme, the slider is pushed pressure sensor to under the effect of gas, to pressure sensor production pressure, and pressure display can demonstrate specific pressure numerical value, through observing pressure numerical value, can in time control the gas flow in the gas pipeline to further improved the control degree to heating section temperature in the furnace body.
Optionally, be provided with cooling device on the second cavity, cooling device is including installing cooling blower and the wind gap adjusting device on the second cavity lateral wall, the income wind gap has been seted up on the lateral wall of second cavity, cooling blower's air outlet and income wind gap are linked together, wind gap adjusting device is including the baffle that is used for sealing the income wind gap and the drive assembly who is used for driving the baffle and removes, the baffle is provided with two, all offer the chamber that holds that is used for holding the baffle on the both sides lateral wall of income wind gap, two the baffle slides respectively and sets up in two hold the intracavity, two the mutual butt of baffle, drive assembly links to each other with two baffles.
Through adopting above-mentioned technical scheme, when needs cool off belted steel, start drive assembly, two baffles of drive assembly drive are kept away from each other, and the size accessible drive assembly in income wind gap controls to can control cooling blower's air output, improved the control degree to the internal cooling section temperature of furnace, and then further improved the control degree to the internal temperature of furnace.
Optionally, the drive assembly includes a motor, a bidirectional screw rod, a first bevel gear and a second bevel gear, the motor is installed outside the second cavity, a second mounting groove is formed in the side wall of the second cavity, the second mounting groove is communicated with one of the two bevel gears, an output shaft of the motor penetrates through the side wall of the second cavity, extends into the second mounting groove and is in key connection with the second bevel gear, the first bevel gear is meshed with the second bevel gear, one end of the bidirectional screw rod is in key connection with the first bevel gear, the other end of the bidirectional screw rod is connected with the bottom wall of the accommodating cavity far away from the second mounting groove in a rotating mode, and the two baffles are respectively in threaded connection with the two ends of the bidirectional screw rod.
By adopting the technical scheme, when the air inlet is opened by driving the baffle plates, the motor is started, the motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the two-way screw rod to rotate, the two-way screw rod drives the two baffle plates to be away from each other, and the air inlet is opened immediately. Through the setting of first bevel gear and second bevel gear, can make the motor can install outside the furnace body, the staff of being convenient for maintains the change to the motor.
Optionally, a fixing plate is mounted on the inner side wall of the second chamber, the fixing plate completely covers the air inlet, and a plurality of through holes are formed in the fixing plate.
Through adopting above-mentioned technical scheme, the fixed plate can be with the wind dispersion that blows out among the cooling blower even to the uneven condition of temperature distribution takes place in the second chamber has been reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first blocking plate, the second blocking plate, the third blocking plate and the gas control device are arranged, so that gas can selectively pass through the third blocking plate from the gas through hole, the first gas outlet or the second gas outlet under the control of the gas control device, the gas output of the gas in the gas pipeline can be controlled more accurately, and the control degree of the temperature of the heating section in the furnace body is improved;
2. the pressure sensing device can detect the gas pressure in the gas pipeline, so that the gas flow in the gas pipeline can be judged, and the gas output of the gas in the gas pipeline can be controlled by a worker in time;
3. the size of steerable income wind gap can be controlled cooling blower's air output to the setting of wind gap adjusting device to improved the degree of control to the internal cooling zone temperature of furnace, and then further improved the degree of control to the internal temperature of furnace.
Drawings
FIG. 1 is a schematic view showing the structure of an annealing furnace in example 1 of the present application;
FIG. 2 is a schematic view of the furnace body of FIG. 1 with a half cut away;
FIG. 3 is a sectional view of a gas pipe in embodiment 1 of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is a partial sectional view of a furnace body in embodiment 1 of this application;
FIG. 7 is a schematic view showing the structure of an annealing furnace in example 1 of the present application, for illustrating the connection relationship between a cooling fan and a furnace body;
FIG. 8 is a sectional view of a gas pipe in embodiment 2 of the present application;
fig. 9 is an enlarged view of a portion C in fig. 8.
Description of reference numerals: 1. a furnace body; 2. a heating device; 21. a gas pipeline; 22. heating the nozzle; 23. a gas storage chamber; 3. a gas control device; 31. a threaded connecting rod; 32. a knob; 33. sealing the bump; 34. a cylinder; 35. fitting the projection; 4. a pressure sensing device; 41. a pressure sensor; 42. a pressure display; 43. a slider; 5. a cooling device; 51. a cooling fan; 52. a tuyere adjusting device; 521. a baffle plate; 522. a drive assembly; 5221. a motor; 5222. a bidirectional screw rod; 5223. a first bevel gear; 5224. a second bevel gear; 6. a fixing plate; 71. a first barrier plate; 72. a second barrier plate; 73. a third barrier plate; 74. an elastic rubber; 75. a limiting block; 76. a conveying device; 800. a first chamber; 801. a second chamber; 802. a gas through hole; 803. a groove; 804. a first gas outlet; 805. a second gas outlet; 806. a first mounting groove; 807. an accommodating chamber; 808. a second mounting groove; 809. a through hole; 810. a strip steel inlet; 811. an air inlet.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses an annealing furnace for hot galvanizing of strip steel.
Example 1
Referring to fig. 1 and 2, the annealing furnace includes a furnace body 1, a strip steel inlet 810 is opened on an end wall of one end of the furnace body 1, a first chamber 800 and a second chamber 801 are opened in the furnace body 1 along a length direction of the furnace body 1, and 8 sets of conveying devices 76 are arranged on the furnace body 1 along the length direction of the furnace body 1. The first chamber 800 is provided with a heating device 2, and the heating device 2 includes a heating nozzle 22, a gas pipeline 21 and a gas storage chamber 23. The heating nozzle 22 is fixedly connected to the inner side wall of the first chamber 800, and the gas storage chamber 23 is disposed outside the first chamber 800. One end of the gas pipe 21 is communicated with the gas storage chamber 23, and the other end is communicated with the heating nozzle 22 through one side wall of the first chamber 800.
Referring to fig. 3 and 4, the inner side wall of the gas pipeline 21 is fixedly connected with a first blocking plate 71 and a second blocking plate 72 in a staggered vertical manner, a third blocking plate 73 is horizontally arranged between the first blocking plate 71 and the second blocking plate 72, one end of the third blocking plate 73 is fixedly connected with one end, far away from the end connected with the gas pipeline 21, of the first blocking plate 71, and the other end of the third blocking plate 73 is fixedly connected with one end, far away from the end connected with the gas pipeline 21, of the second blocking plate 72. The first blocking plate 71, the second blocking plate 72 and the third blocking plate 73 together block the gas duct 21.
Referring to fig. 4, the third blocking plate 73 is provided with a gas through hole 802 and a groove 803 along the thickness direction of the third blocking plate 73. The hole wall of the gas through hole 802 is provided with a first gas outlet 804 and a second gas outlet 805, the first gas outlet 804 is positioned below the second gas outlet 805, and the first gas outlet 804 and the second gas outlet 805 are both communicated with the groove 803.
Referring to fig. 3 and 4, the gas pipeline 21 is provided with a gas control device 3 for cooperating with the gas through hole 802, and the gas control device 3 includes a threaded connection rod 31, a knob 32 and a sealing protrusion 33. One end of the threaded connecting rod 31 penetrates through the side wall of one side of the gas pipeline 21 to be fixedly connected with the sealing lug 33, a layer of elastic rubber 74 is adhered to the surface of the sealing lug 33, the sealing lug 33 is in clamping fit with the gas through hole 802, and the other end of the threaded connecting rod 31 is fixedly connected with the knob 32.
Referring to fig. 3 and 4, when it is required to close the gas pipe 21, the knob 32 is rotated to move the sealing protrusion 33 toward the direction close to the gas through hole 802, and when the sealing protrusion 33 blocks the first gas outlet 804, the gas pipe 21 is closed; when the gas pipeline 21 needs to be opened, the knob 32 is rotated to move the sealing lug 33 in a direction away from the gas through hole 802, the first gas outlet 804 and the second gas outlet 805 are gradually opened along with the sliding of the sealing lug 33, and when the sealing lug 33 completely slides out of the gas through hole 802, the gas through hole 802 is opened.
Referring to fig. 3 and 5, a first installation groove 806 is formed in the inner side wall of the gas pipeline 21, the first installation groove 806 is located on one side of the first blocking plate 71 close to the gas control device 3, and the pressure sensing device 4 is installed on the gas pipeline 21. The pressure sensing device 4 includes a pressure sensor 41, a pressure indicator 42 and a slider 43, the pressure sensor 41 is mounted on the bottom wall of the first mounting groove 806, the pressure indicator 42 is mounted on the outer side wall of the gas pipeline 21, and the pressure sensor 41 is electrically connected with the pressure indicator 42. The sliding block 43 is slidably connected in the first mounting groove 806, and the first mounting groove 806 is far away from the limiting block 75 fixedly connected to the two side walls of one end of the pressure sensor 41.
Referring to fig. 4 and 5, when the gas passes through the gas through hole 802, the gas pushes the slider 43 to slide toward the pressure sensor 41, so as to apply pressure to the pressure sensor 41, the pressure sensor 41 transmits an electrical signal to the pressure display 42, and the pressure display 42 displays the pressure value in the gas pipeline 21.
Referring to fig. 2, an air inlet 811 is formed in one side wall of the second chamber 801, a cooling device 5 is disposed on the second chamber 801, and the cooling device 5 includes a cooling fan 51 fixedly mounted on an outer side wall of the second chamber 801 and an air inlet adjusting device 52 for adjusting the size of the air inlet 811. The air outlet of the cooling fan 51 is communicated with the air inlet 811.
Referring to fig. 6 and 7, the tuyere adjusting device 52 includes a blocking plate 521 and a driving assembly 522, and the driving assembly 522 includes a motor 5221, a bidirectional screw 5222, a first bevel gear 5223 and a second bevel gear 5224. An accommodating cavity 807 is formed in the second cavity 801, the accommodating cavity 807 is communicated with the air inlet 811, and a second mounting groove 808 is formed in one side wall of the accommodating cavity 807 in the length direction. The motor 5221 is fixedly mounted on the outer sidewall of the second chamber 801, and the first and second bevel gears 5223 and 5224 are mounted in the second mounting groove 808. An output shaft of the motor 5221 extends into the second mounting groove 808 through the side wall of the second chamber 801 and is splined to the second bevel gear 5224, and the first bevel gear 5223 is vertically meshed with the second bevel gear 5224. One end of the bidirectional screw rod 5222 is in key connection with the first bevel gear 5223, and the other end is rotatably connected with the side wall of the accommodating cavity 807 far away from the second mounting groove 808. Both ends of the bidirectional screw 5222 are provided with a baffle 521 for closing the air inlet 811. The baffle 521 is provided with a threaded connection hole, and the bidirectional screw rod 5222 is in threaded connection with the baffle 521 through the threaded connection hole. Both baffles 521 are slidably connected to the receiving cavity 807.
Referring to fig. 6 and 7, when the size of the air inlet 811 needs to be controlled, the motor 5221 is started, the motor 5221 drives the second bevel gear 5224 to rotate, the second bevel gear 5224 drives the first bevel gear 5223 to rotate, the first bevel gear 5223 drives the bidirectional screw rod 5222 to rotate, and the bidirectional screw rod 5222 drives the baffles 521 at the two ends of the bidirectional screw rod 5222 to move, so that the size of the air inlet 811 is controlled.
Referring to fig. 2, a fixing plate 6 is fixedly connected to the inner side wall of the second chamber 801, the size of the fixing plate 6 is the same as that of the air inlet 811, the fixing plate 6 is located at the air inlet 811, and a plurality of through holes 809 are uniformly formed in the fixing plate 6.
The implementation principle of the embodiment 1 is as follows: when the strip steel needs to be annealed, the strip steel is sent into the furnace body 1 from the strip steel inlet 810, and the strip steel sequentially passes through the first chamber 800 and the second chamber 801 through the conveying device 76, so that the annealing treatment is completed.
When the heating temperature in the first chamber 800 needs to be adjusted, the gas control device 3 is used for adjusting the gas through hole 802, when the heating temperature in the first chamber 800 needs to be the lowest, the gas control device 3 is used for controlling the gas through hole 802, only the first gas outlet 804 is opened, the gas can only enter the first chamber 800 from the first gas outlet 804 for combustion, and at the moment, the heating temperature in the first chamber 800 is the lowest; when the heating temperature in the first chamber 800 needs to be raised, the gas control device 3 is controlled to open the first gas outlet 804 and the second gas outlet 805, and gas enters the first chamber 800 from the first gas outlet 804 and the second gas outlet 805 to be combusted; when the heating temperature in the first chamber 800 needs to be the highest, the gas control device 3 is controlled to open the first gas outlet 804, the second gas outlet 805 and the gas through hole 802, and the gas enters the first chamber 800 from the first gas outlet 804, the second gas outlet 805 and the gas through hole 802 for combustion, at this time, the heating temperature in the first chamber 800 is the highest.
When the cooling temperature in the second chamber 801 needs to be adjusted, the size of the air inlet 811 is controlled by adjusting the air inlet adjusting device 52, that is, the air output of the cooling fan 51 can be controlled, so that the cooling temperature in the second chamber 801 can be controlled.
Example 2
Referring to fig. 8 and 9, the present embodiment is different from embodiment 1 in that: in the embodiment of the present application, the gas control device 3 is a cylinder 34 and a fitting projection 35. The cylinder 34 is vertically and fixedly connected to the outer side wall of the gas pipeline 21 through a bolt, and the cylinder 34 is located right above the gas through hole 802. The piston rod of cylinder 34 passes in one side lateral wall of gas pipeline 21 stretches into gas pipeline 21, and cooperation lug 35 fixed mounting is on the piston rod of cylinder 34, and the surface of cooperation lug 35 is adhered with a layer of elasticity rubber 74, and cooperation lug 35 cooperates with gas through-hole 802 joint.
Referring to fig. 8 and 9, when the gas pipeline 21 needs to be opened, the cylinder 34 is started, so that the matching protrusion 35 gradually slides out of the gas through hole 802, and gas can gradually enter the first chamber 800 from the first gas outlet 804, the second gas outlet 805 and the gas through hole 802; when the gas pipeline 21 needs to be closed, the cylinder 34 is started, so that the matching lug 35 moves towards the direction close to the gas through hole 802, and when the matching lug 35 blocks the first gas outlet 804, the gas pipeline 21 is closed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an annealing stove for belted steel hot-galvanize, includes furnace body (1), first cavity (800) and second cavity (801) have been seted up along the length direction of furnace body (1) in furnace body (1), its characterized in that: the gas pipeline heating device is characterized in that a heating device (2) is arranged on the first chamber (800), the heating device (2) comprises a gas pipeline (21) connected with the first chamber (800), a first blocking plate (71) and a second blocking plate (72) are arranged in the gas pipeline (21) in parallel and in a staggered mode, the areas of the first blocking plate (71) and the second blocking plate (72) are smaller than the cross-sectional area of the gas pipeline (21), a third blocking plate (73) is connected between the first blocking plate (71) and the second blocking plate (72), the first blocking plate (71), the second blocking plate (72) and the third blocking plate (73) jointly block the gas pipeline (21), a gas through hole (802) and a groove (803) are formed in the third blocking plate (73) along the thickness direction of the third blocking plate (73), a first gas outlet (804) and a second gas outlet (805) are formed in the hole wall of the gas through hole (802), the first fuel gas outlet (804) and the second fuel gas outlet (805) are arranged along the length direction of the fuel gas through hole (802), the first fuel gas outlet (804) and the second fuel gas outlet (805) are communicated with the groove (803), and the third blocking plate (73) is further provided with a fuel gas control device (3) used for being matched with the fuel gas through hole (802).
2. The annealing furnace for hot galvanizing strip steel according to claim 1, characterized in that: gas controlling means (3) include threaded connection pole (31), knob (32) and sealed lug (33), threaded connection pole (31) are worn to locate on one side lateral wall of gas pipeline (21), threaded connection pole (31) link to each other with the lateral wall screw thread of gas pipeline (21), threaded connection pole (31) are located the one end in gas pipeline (21) and are linked to each other with sealed lug (33), sealed lug (33) and gas through-hole (802) joint cooperation, threaded connection pole (31) are located the outer one end of gas pipeline (21) and link to each other with knob (32).
3. The annealing furnace for hot galvanizing strip steel according to claim 1, characterized in that: gas controlling means (3) include cylinder (34) and cooperation lug (35), install outside gas pipeline (21) cylinder (34), one side lateral wall that the piston rod of cylinder (34) passed gas pipeline (21) links to each other with cooperation lug (35), cooperation lug (35) and gas through-hole (802) joint cooperation.
4. The annealing furnace for hot galvanizing strip steel according to claim 3, characterized in that: the surface of the matching lug (35) is sleeved with elastic rubber (74).
5. The annealing furnace for hot galvanizing strip steel according to claim 1, characterized in that: be provided with pressure sensing device (4) on gas pipeline (21), pressure sensing device (4) are located one side that first barrier plate (71) is close to gas controlling means (3), pressure sensing device (4) include pressure sensor (41), pressure display (42) and slider (43), first mounting groove (806) have been seted up on the inside wall of gas pipeline (21), pressure sensor (41) set up on the diapire of first mounting groove (806), slider (43) slide and set up in first mounting groove (806), all be provided with on the both sides lateral wall of first mounting groove (806) and be used for preventing stopper (75) in slider (43) roll-off first mounting groove (806), install on the lateral wall of gas pipeline (21) pressure display (42).
6. The annealing furnace for hot galvanizing strip steel according to claim 1, characterized in that: the second chamber (801) is provided with a cooling device (5), the cooling device (5) comprises a cooling fan (51) and an air port adjusting device (52) which are arranged on the side wall of the second chamber (801), an air inlet (811) is formed in the side wall of the second chamber (801), an air outlet of the cooling fan (51) is communicated with the air inlet (811), the air inlet adjusting device (52) comprises a baffle plate (521) for closing the air inlet (811) and a driving component (522) for driving the baffle plate (521) to move, baffle (521) are provided with two, all offer the chamber (807) that hold that are used for holding baffle (521) on the both sides lateral wall of income wind gap (811), two baffle (521) slide respectively to set up in two hold chamber (807), two baffle (521) butt each other, drive assembly (522) link to each other with two baffles (521).
7. The annealing furnace for hot galvanizing strip steel according to claim 6, characterized in that: the drive assembly (522) comprises a motor (5221), a bidirectional screw (5222), a first bevel gear (5223) and a second bevel gear (5224), the motor (5221) is installed outside the second cavity (801), a second installation groove (808) is formed in the side wall of the second cavity (801), the second mounting groove (808) is communicated with one of the accommodating cavities (807), the output shaft of the motor (5221) extends into the second mounting groove (808) through the side wall of the second chamber (801) and is in key connection with the second bevel gear (5224), the first bevel gear (5223) is meshed with the second bevel gear (5224), one end of the bidirectional screw rod (5222) is in key connection with the first bevel gear (5223), the other end of the bidirectional screw rod (5222) is rotatably connected with the bottom wall of the accommodating cavity (807) far away from the second mounting groove (808), and the two baffles (521) are respectively in threaded connection with the two ends of the bidirectional screw rod (5222).
8. The annealing furnace for hot galvanizing strip steel according to claim 6, characterized in that: a fixing plate (6) is installed on the inner side wall of the second cavity (801), the fixing plate (6) completely covers the air inlet (811), and a plurality of through holes (809) are formed in the fixing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103042.6U CN215560532U (en) | 2021-09-02 | 2021-09-02 | Annealing furnace for hot galvanizing of strip steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103042.6U CN215560532U (en) | 2021-09-02 | 2021-09-02 | Annealing furnace for hot galvanizing of strip steel |
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| CN215560532U true CN215560532U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114686653A (en) * | 2022-02-18 | 2022-07-01 | 江苏嘉仕德工业炉有限公司 | Annealing furnace with safety mechanism |
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2021
- 2021-09-02 CN CN202122103042.6U patent/CN215560532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114686653A (en) * | 2022-02-18 | 2022-07-01 | 江苏嘉仕德工业炉有限公司 | Annealing furnace with safety mechanism |
| CN114686653B (en) * | 2022-02-18 | 2023-11-21 | 江苏嘉仕德工业炉有限公司 | Annealing furnace with safety mechanism |
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