CN111922327B - High-efficient be built by contract and roast package ware - Google Patents
High-efficient be built by contract and roast package ware Download PDFInfo
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- CN111922327B CN111922327B CN202011013623.4A CN202011013623A CN111922327B CN 111922327 B CN111922327 B CN 111922327B CN 202011013623 A CN202011013623 A CN 202011013623A CN 111922327 B CN111922327 B CN 111922327B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
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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
- Y02P10/20—Recycling
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- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention belongs to the technical field of bag baking devices, and provides a high-efficiency bag covering and a bag baking device, which comprise a cover body, a burner nozzle arranged on the cover body, a gas pipeline arranged on the cover body, one end of the gas pipeline communicated with a gas inlet of the burner nozzle, an air pipeline, one end of the air pipeline communicated with an air inlet on the burner nozzle, and the other end communicated with the outside, wherein an annular cavity is arranged in the cover body, the cover body is provided with a vent hole communicated with the annular cavity, one end of the air pipeline far away from the burner nozzle is communicated with the annular cavity, the communicated part of the air pipeline and the annular cavity is far away from the vent hole, a plurality of heat conducting blocks are arranged at the bottom in the annular cavity, and a plurality of heat exchange holes are arranged on the heat conducting blocks. Through above-mentioned technical scheme, roast a packet ware heating efficiency lower problem relatively among the prior art has been solved.
Description
Technical Field
The invention belongs to the technical field of a ladle baking device, and relates to an efficient ladle cover and a ladle baking device.
Background
At present, with the development of economy, various metal products emerge endlessly and enter various aspects of people's life, especially for the application of steel products, the steel products generally melt steel into molten steel firstly, then pour the molten steel into a ladle for pouring operation, before containing the molten steel, baking the molten steel along with the ladle firstly,
ladle baking is one of the main links in the steelmaking production process. The performance of the baking device has great influence on the tapping temperature of the converter, the steelmaking operation rate, the furnace life and the like. The steel ladle baking is between two processes of steel making and steel casting, the baking temperature of the steel ladle plays an important role in coordinating the whole production, and the significance on continuous casting production is more important. The molten steel is cast after being calmed in a ladle for 5-10 min from the completion of steel discharge to the time of casting, the temperature of the molten steel is reduced in the calm process, and the main heat energy loss has three items: the heat loss of the upper surface of the molten steel, the comprehensive heat loss of the surface of the steel ladle shell and the heat loss of the steel ladle lining, wherein the heat loss of the steel ladle lining accounts for about 40-50% of the whole heat loss, so the heat loss of the steel ladle is reduced, and the temperature drop of the molten steel in the steel ladle can be greatly reduced. The method has important significance for reducing the tapping temperature, prolonging the service life of the converter, increasing the steel yield, reducing the consumption of raw materials, reducing the cost of steel per ton and ensuring the smooth continuous casting.
However, when the conventional ladle baking device is used, much fuel gas is consumed when the ladle is heated and the temperature of the ladle is raised, the temperature of the ladle is generally increased, and the efficiency is relatively low.
Disclosure of Invention
The invention provides an efficient ladle cover and a ladle baking device, and solves the problem that the temperature rising efficiency of the ladle baking device in the prior art is relatively low.
The technical scheme of the invention is realized as follows:
the method comprises the following steps:
a cover body which is provided with a plurality of grooves,
the burner is arranged on the cover body,
a gas pipeline arranged on the cover body, one end of the gas pipeline is communicated with the gas inlet of the burner nozzle,
one end of the air pipeline is communicated with the air inlet on the burner, the other end of the air pipeline is communicated with the outside,
an annular cavity is arranged in the cover body, an air vent is arranged on the cover body and communicated with the annular cavity,
one end of the air pipeline, which is far away from the burner, is communicated with the annular cavity, and the communicated part of the air pipeline and the annular cavity is far away from the air vent
The bottom in the annular cavity is provided with a plurality of heat conduction blocks, and a plurality of heat exchange holes are formed in the heat conduction blocks.
As a further technical solution, it also includes,
two support tubes are arranged in parallel, one end of each support tube is arranged on the cover body,
the two support tubes are connected with one side of the hinged tube,
a bracket on which the hinged pipe is rotatably arranged,
the gas pipeline with the stay tube intercommunication, articulated pipe with the stay tube intercommunication, the both ends of articulated pipe all are used for letting in the gas.
As a further technical solution, it also includes,
one end of the driving rod is fixedly arranged on the side wall of the hinged pipe,
and the cylinder body and the telescopic rod of the cylinder are respectively hinged with the support and the driving rod.
As a further technical solution, it also includes,
an air collecting duct disposed at one side of the bracket near the cover,
the air collecting pipeline is vertically arranged, one end of the air collecting pipeline faces and is close to the air vent, and the other end of the air collecting pipeline is close to the ground.
As a further technical solution, it also includes,
a plurality of arc-shaped air collecting pipes are arranged in parallel and are arranged on the air collecting pipeline,
the plurality of arc-shaped air collecting pipes are communicated with the air collecting pipeline,
a plurality of through holes are formed in the arc-shaped air collecting pipe and are located on one side close to the cover body.
As a further technical solution, it also includes,
a square sleeve arranged on the bracket,
a sliding rod which is arranged in the square sleeve in a sliding way, one end of the sliding rod extends out of the square sleeve and is connected with the side wall of the air collecting pipeline,
and the limiting device is arranged on the square sleeve and used for limiting the position of the sliding rod.
As a further technical proposal, the limiting device comprises,
the limiting nut is fixedly arranged on the outer wall of the square sleeve,
and the limiting screw rod is arranged on the limiting nut, and one end of the limiting screw rod penetrates through the square sleeve to jack the sliding rod.
As a further technical proposal, the method also comprises the following steps,
a bearing seat arranged at one end of the air collecting pipeline close to the air vent,
a fan rotatably disposed on the bearing housing,
a motor arranged on the bracket,
and one end of the transmission shaft is connected with the fan, and the other end of the transmission shaft penetrates through the air collecting pipeline to be connected with the transmission shaft of the motor.
As a further technical solution, it is proposed that,
the transmission shaft comprises a transmission shaft body and a transmission shaft,
one end of the first shaft is connected with the fan, the other end is internally provided with a hole,
and one end of the second shaft is arranged in the hole in a sliding manner, and the other end of the second shaft is connected with a transmission shaft of the motor.
The working principle and the beneficial effects of the invention are as follows:
1. in the invention, the gas pipeline leads gas into the burner, then leads air into the burner through the air pipeline, provides necessary oxygen for the combustion of the gas in the burner, leads the gas to be fully combusted, realizes the heating effect on a ladle, the cover body is internally provided with the annular cavity, the air pipeline is communicated with the annular cavity, one side far away from the joint of the air pipeline and the annular cavity is provided with the vent which is used for inputting air into the annular cavity, then the air enters the burner through the air pipeline after passing through the whole annular cavity, because the distance between the cover body and a fire source is very close when the gas is combusted, the temperature of the cover body is very high, the temperature in the annular cavity is relatively high, when the air enters the air pipeline through the annular cavity, the air can carry out heat exchange in the annular cavity, the temperature of the air is improved, when the air with higher temperature enters the burner, the air is in contact with the gas for combustion, the heat of consumption will be few, thermal consumption has been reduced, the burning sufficiency of gas has been improved simultaneously, the consumption of gas has been reduced for the burning of the helping hand gas in the external air direct admission nozzle, the utilization ratio of heat energy has been improved simultaneously, be provided with a plurality of heat conduction piece in the toroidal cavity, when having improved the air through the toroidal cavity with the area of contact in the toroidal cavity, the heat exchange efficiency in air and the toroidal cavity has been improved, realized preheating better to the air, a plurality of heat conduction hole has been seted up on the heat transfer piece, further the area of contact between air and the heat transfer piece has been improved, the degree of preheating of air in the toroidal cavity has further been improved, be favorable to the abundant burning of gas.
2. In the invention, the hinged pipe rotates to drive the supporting pipe to rotate, the supporting pipe is arranged on the cover body, the supporting pipe moves to drive the cover body to move, the hinged pipe and the supporting pipe are thick metal pipes and can support the weight of the cover body, the end part of the hinged pipe is connected with an external gas supply source through a rotary joint to supply gas in a gas pipeline, the cover body moves to facilitate the movement of a ladle positioned below the cover body, one end of a driving rod is fixedly arranged at one side of the hinged pipe, the driving rod swings to drive the hinged pipe to rotate, the hinged pipe rotates to drive the supporting pipe to move, then the cover body is driven to lift, and a cylinder is used for driving the driving rod to swing, so when the cover body needs to move, the movement can be realized through the cylinder, the convenience is realized, the safety coefficient is improved, and the risk of injury of operators caused by excessively approaching the cover body is reduced, an air collecting pipeline is arranged on one side of the cover body, the air collecting pipeline is vertically arranged, one end of the air collecting pipeline is close to and faces the air vent, the other end of the air collecting pipeline is far away from and faces the ground, most of air entering the air vent is air which is absorbed by the air collecting pipeline and is close to the ground, smoke can generate during combustion and tends to float upwards, the smoke can float out through a gap between the cover body and a steel ladle, the air near the air vent is likely to be thin and is not beneficial to combustion of the gas in the burner, therefore, the oxygen content in the air entering the air vent can be greatly improved by introducing the air close to the ground, necessary conditions are provided for sufficient combustion of the gas, the sufficient combustion degree of the gas is correspondingly improved, resource waste caused by insufficient combustion of the gas is correspondingly reduced, and a plurality of arc-shaped air collecting pipes are arranged on the air collecting pipeline in parallel, the arc-shaped air collecting pipe surrounds the outer wall of the steel ladle, a certain distance is reserved between the arc-shaped air collecting pipe and the outer wall of the steel ladle, the temperature of air near the outer wall of the steel ladle is higher, hot air near the steel ladle is preheated through the arc-shaped air collecting pipe and then enters the burner, the initial temperature of the air entering the annular cavity is improved, and the consumption of heat in the annular cavity is reduced when the hot air enters the annular cavity and is preheated.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion C shown in FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic cross-sectional view A-A1 of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of a portion D of FIG. 5 according to the present invention;
FIG. 7 is a schematic side view of the present invention;
FIG. 8 is a schematic cross-sectional view of B-B1 of FIG. 7 according to the present invention;
FIG. 9 is an enlarged view of a portion E of FIG. 9 according to the present invention;
FIG. 10 is a schematic view of a drive shaft according to the present invention;
in the figure: 1-cover body, 11-annular cavity, 12-air vent, 2-burner, 3-gas pipeline, 4-air pipeline, 51-heat conducting block, 52-heat exchange hole, 61-supporting pipe, 62-hinged pipe, 63-driving rod, 64-air cylinder, 7-bracket, 81-air collecting pipeline, 82-arc air collecting pipe, 83-through hole, 91-square sleeve, 92-sliding rod, 10-limiting device, 101-limiting nut, 102-limiting screw, 121-bearing seat, 122-fan, 123-motor, 124-transmission shaft, 1241-first shaft, 1242-second shaft and 13-ladle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-10, the present invention provides a high-efficiency bag cover and a bag roaster, comprising:
the cover body 1 is provided with a cover body,
a burner 2 arranged on the cover body 1,
a gas pipeline 3 arranged on the cover body 1, one end of the gas pipeline 3 is communicated with the gas inlet of the burner 2,
one end of the air pipeline 4 is communicated with the air inlet on the burner 2, the other end is communicated with the outside,
an annular cavity 11 is arranged in the cover body 1, an air vent 12 is arranged on the cover body 1, the air vent 12 is communicated with the annular cavity 11,
one end of the air pipeline 4 far away from the burner 2 is communicated with the annular cavity 11, and the communicated part of the air pipeline 4 and the annular cavity 11 is far away from the air vent 12
The bottom in the heat conduction piece 51, the annular cavity 11 is provided with a plurality of heat conduction piece 51, has seted up a plurality of heat transfer hole 52 on the heat conduction piece 51.
In the embodiment, the gas pipeline 3 leads gas into the burner 2, then leads air into the burner 2 through the air pipeline 4, and provides necessary oxygen for the combustion of the gas in the burner 2, so that the gas is fully combusted, and the heating effect on the steel ladle is realized, the annular cavity 11 is arranged in the cover body 1, the air pipeline 4 is communicated with the annular cavity 11, the side far away from the joint of the air pipeline 4 and the annular cavity 11 is provided with the vent 12, the vent 12 is used for inputting air into the annular cavity 11, then the air passes through the whole annular cavity 11 and then enters the burner 2 through the air pipeline 4, because the cover body is very close to a fire source when the gas is combusted, the temperature of the cover body 1 is very high, the temperature in the annular cavity 11 is relatively very high, and when the air enters the air pipeline 4 through the annular cavity 11, the air can carry out heat exchange in the annular cavity 11, promote the temperature of air, after the higher air of temperature gets into in the nozzle 2 with the gas contact burning, the heat of consumption will be few, the thermal consumption has been reduced, the combustion sufficiency of gas has been improved simultaneously, the consumption of gas has been reduced for the burning of external air direct entry nozzle 2 internal-force gas, the utilization ratio of heat energy has been improved simultaneously, be provided with a plurality of heat conduction piece 51 in toroidal cavity 11, the area of contact when having improved air through toroidal cavity 11 with the toroidal cavity 11 in, the heat exchange efficiency in air and the toroidal cavity 11 has been improved, realized preheating better to the air, a plurality of heat conduction hole 52 has been seted up on heat transfer piece 51, further the area of contact between air and the heat transfer piece 51 has been improved, the degree of preheating of air in toroidal cavity 11 has further been improved, be favorable to the abundant burning of gas.
Further, the method also comprises the following steps of,
two support pipes 61 are arranged in parallel, one end of each of the two support pipes 61 is arranged on the cover body 1,
a hinge pipe 62, two support pipes 61 each connected to one side of the hinge pipe 62,
the bracket 7, the hinge pipe 62 is rotatably arranged on the bracket 7,
the gas pipeline 3 is communicated with the supporting pipe 61, the hinged pipe 62 is communicated with the supporting pipe 61, and two ends of the hinged pipe 62 are both used for introducing gas.
In this embodiment, articulated pipe 62 rotates, drives the stay tube 61 and rotates, and stay tube 61 sets up on lid 1, and stay tube 61 removes and drives lid 1 and remove, and articulated pipe 62, stay tube 61 all are thicker metal pipe, can support the weight of lid 1, and the tip of articulated pipe 62 passes through rotary joint to be connected with external gas supply source, realizes the supply to gas pipeline 3 interior gas to lid 1 removes, can conveniently be located the ladle of lid 1 below and remove.
Further, the method also comprises the following steps of,
a driving rod 63, one end of the driving rod 63 is fixedly arranged on the side wall of the hinge pipe 62,
the cylinder 64, the cylinder body of the cylinder 64 and the telescopic rod are respectively hinged with the bracket 7 and the driving rod 63.
In this embodiment, the fixed one side that sets up at articulated pipe 62 of one end of actuating lever 63, actuating lever 63 swings and just can drive articulated pipe 62 and rotate, and articulated pipe 62 rotates and realizes driving the removal of stay tube 61, then drives lid 1 and lifts, and cylinder 64 is used for driving the swing of actuating lever 63, so when needing to carry out the shift position to lid 1, can realize through cylinder 64, and is very convenient, has improved factor of safety, has reduced operating personnel because too be close to lid 1 and has caused the risk of injury.
Further, the method also comprises the following steps of,
an air collecting duct 81 provided at a side of the bracket 7 adjacent to the lid body 1,
the air collection duct 81 is arranged vertically with one end facing and adjacent to the air vent 12 and the other end adjacent to the ground.
In this embodiment, an air collecting duct 81 is provided at one side of the cover body 1, the air collecting duct 81 is vertically provided, and has one end near and facing towards the air vent 12 and the other end distant and facing towards and near the ground, so that the air entering the air vent 12 is mostly air near the ground absorbed by the air collection duct 81, because the gas can produce the flue gas when burning, the flue gas often upwards floats, the flue gas can drift out through the clearance between lid 1 and the ladle, probably will cause the air near the vent 12 to be thin, be unfavorable for the burning of gas in the nozzle 2, therefore through introducing the air near ground, the oxygen content in the air entering the air vent 12 can be greatly improved, necessary conditions are provided for the sufficient combustion of the fuel gas, the sufficient combustion degree of the fuel gas is correspondingly improved, and the resource waste caused by the insufficient combustion of the fuel gas is correspondingly reduced.
Further, the method also comprises the following steps of,
a plurality of arc-shaped air collecting pipes 82 are arranged in parallel, a plurality of arc-shaped air collecting pipes 82 are arranged on the air collecting pipeline 81,
a plurality of arc-shaped air collecting pipes 82 are communicated with the air collecting pipeline 81,
a plurality of through holes 83 are formed in the arc-shaped air collecting pipe 82, and the through holes 83 are located on the inner side of the concave arc of the arc-shaped air collecting pipe 82.
In the embodiment, the air collecting pipeline 81 is provided with the plurality of arc-shaped air collecting pipes 82 in parallel, the arc-shaped air collecting pipes 82 are arranged around the outer wall of the steel ladle and have a certain distance from the outer wall of the steel ladle, the temperature of air near the outer wall of the steel ladle is higher, hot air near the steel ladle is preheated by the arc-shaped air collecting pipes 82 through the annular cavity 11 and then goes to the burner, the initial temperature of the air entering the annular cavity 11 is increased, and the consumption of heat in the annular cavity 11 is reduced when the air enters the annular cavity 11 for preheating.
Further, the method also comprises the following steps of,
a square sleeve 91, which is arranged on the bracket 7,
a slide rod 92 slidably disposed in the square sleeve 91, one end of the slide rod 92 extending out of the square sleeve 91 and connected to the side wall of the air collecting duct 81,
and the limiting device 10 is arranged on the square sleeve 91 and used for limiting the position of the sliding rod 92.
In this embodiment, the sliding rod 92 is slidably disposed in the square sleeve 91, the air collecting pipe 81 is disposed on the sliding rod 92, and the sliding rod 92 can drive the air collecting pipe 81 to move, so that the effect of adjusting the distance between the air collecting pipe 81 and a steel ladle is achieved, when the steel ladle is moved, the air collecting pipe 81 is away from the steel ladle, the steel ladle is convenient to move, and the position of the sliding rod 92 can be limited by the limiting device 10.
Further, the position-limiting device 10 comprises,
a limit nut 101 fixedly arranged on the outer wall of the square sleeve 91,
and the limiting screw 102 is arranged on the limiting nut 101, and one end of the limiting screw penetrates through the square sleeve 91 to prop against the sliding rod 92.
In this embodiment, the limit screw 102 is rotated to push or release the slide rod 92, and then the slide rod 92 is slid and fixed.
Further, the method also comprises the following steps of,
a bearing housing 121 provided at one end of the air collecting duct 81 near the air vent 12,
a fan 122 rotatably disposed on the bearing housing 121,
a motor 123, which is arranged on the bracket 7,
and a driving shaft 124 having one end connected to the fan 122 and the other end connected to a driving shaft of the motor 123 through the air collecting duct 81.
In this embodiment, the one end rotation that is close to blow vent 12 on air collecting pipe 81 is provided with fan 122, fan 122 has realized sending into annular cavity 11 with the air bronze drum blow vent 12 of extraction air collecting pipe 81 in, then get into air conduit 3 through annular cavity 11, then get into nozzle 2 department, be used for the oxygen suppliment burning to the gas, fan 122's setting, the air admission volume has been improved greatly, the increase of 2 department's air volumes of nozzle, also provide the condition for the abundant burning of gas, the energy waste that the incomplete combustion of fuel caused has been reduced.
Further, the drive shaft 124 includes, among other things,
one end of the first shaft 1241 is connected with the fan 122, and the other end is provided with a hole therein,
one end of the second shaft 1242 is slidably disposed in the hole, and the other end is connected to a transmission shaft of the motor 123.
In this embodiment, the motor 123 is disposed on the bracket 7, and is far away from the ladle and the cover 1, and the fan 122 is powered by the transmission shaft 124, so as to prevent the problem of the circuit of the motor caused by high temperature due to the close distance between the ladle and the cover 1, because the air collecting duct 81 can move, when moving, the first shaft 1241 slides in the hole of the second shaft 1242, and the fan 122 can also be rotated by the movement of the air collecting duct 81.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A high-efficiency bag cover is characterized by comprising,
a cover body (1),
a burner (2) arranged on the cover body (1),
a gas pipeline (3) arranged on the cover body (1), one end of the gas pipeline (3) is communicated with a gas inlet of the burner (2),
one end of the air pipeline (4) is communicated with the air inlet on the burner (2), the other end is communicated with the outside,
an annular cavity (11) is arranged in the cover body (1), an air vent (12) is arranged on the cover body (1), the air vent (12) is communicated with the annular cavity (11),
one end of the air pipeline (4) far away from the burner (2) is communicated with the annular cavity (11), and the communicated part of the air pipeline (4) and the annular cavity (11) is far away from the air vent (12)
A plurality of heat-conducting blocks (51) are arranged at the bottom in the annular cavity (11), a plurality of heat-exchanging holes (52) are arranged on the heat-conducting blocks (51),
the section of the heat conducting block (51) is rhombic, every two heat exchange holes (52) on the heat conducting block (51) are arranged in a crossed manner, the inlets and the outlets of the two heat exchange holes (52) which are arranged in a crossed manner are respectively positioned on four side surfaces of the heat conducting block (51),
two support pipes (61) are arranged in parallel, one end of each of the two support pipes (61) is arranged on the cover body (1),
a hinge pipe (62), both of the support pipes (61) being connected to one side of the hinge pipe (62),
a bracket (7), the hinged pipe (62) is rotatably arranged on the bracket (7),
the gas pipeline (3) is communicated with the supporting tube (61), the hinged tube (62) is communicated with the supporting tube (61), two ends of the hinged tube (62) are both used for introducing gas,
an air collecting duct (81) arranged on the side of the bracket (7) close to the cover body (1),
the air collecting pipe (81) is vertically arranged, one end of the air collecting pipe faces and is close to the air vent (12), the other end of the air collecting pipe is close to the ground,
a plurality of arc-shaped air collecting pipes (82) are arranged in parallel, a plurality of arc-shaped air collecting pipes (82) are arranged on the air collecting pipeline (81),
a plurality of the arc-shaped air collecting pipes (82) are communicated with the air collecting pipeline (81),
a plurality of through holes (83) are arranged on the arc-shaped air collecting pipe (82), the through holes (83) are all positioned at one side close to the cover body (1),
a square sleeve (91) arranged on the bracket (7),
a sliding rod (92) which is arranged in the square sleeve (91) in a sliding manner, one end of the sliding rod (92) extends out of the square sleeve (91) and is connected with the side wall of the air collecting pipeline (81),
and the limiting device (10) is arranged on the square sleeve (91) and is used for limiting the position of the sliding rod (92).
2. A high efficiency pack cover according to claim 1, further comprising,
a driving rod (63), one end of the driving rod (63) is fixedly arranged on the side wall of the hinged pipe (62),
the cylinder body and the telescopic rod of the cylinder (64) are respectively hinged with the support (7) and the driving rod (63).
3. A high-efficiency bag cover according to claim 1, characterized in that the limiting device (10) comprises,
a limit nut (101) fixedly arranged on the outer wall of the square sleeve (91),
and the limiting screw rod (102) is arranged on the limiting nut (101), and one end of the limiting screw rod penetrates through the square sleeve (91) to jack the sliding rod (92).
4. A high efficiency pack cover according to claim 3, further comprising,
a bearing housing (121) disposed at one end of the air collection duct (81) adjacent to the air vent (12),
a fan (122) rotatably disposed on the bearing housing (121),
a motor (123) arranged on the bracket (7),
and one end of the transmission shaft (124) is connected with the fan (122), and the other end of the transmission shaft penetrates through the air collecting pipeline (81) and is connected with the transmission shaft of the motor (123).
5. A high efficiency pack cover according to claim 4,
the drive shaft (124) includes a drive shaft,
a first shaft (1241) with one end connected with the fan (122) and the other end provided with a hole,
and one end of the second shaft (1242) is arranged in the hole in a sliding manner, and the other end of the second shaft is connected with a transmission shaft of the motor (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011013623.4A CN111922327B (en) | 2020-09-24 | 2020-09-24 | High-efficient be built by contract and roast package ware |
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| CN202011013623.4A CN111922327B (en) | 2020-09-24 | 2020-09-24 | High-efficient be built by contract and roast package ware |
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| CN111922327A CN111922327A (en) | 2020-11-13 |
| CN111922327B true CN111922327B (en) | 2022-07-05 |
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| PL228708B1 (en) * | 2015-10-29 | 2018-04-30 | Krakodlew Spolka Akcyjna | System of heat recuperation from solidifying large sized metal castings and utilization of this heat for heating foundry moulds |
| KR101927771B1 (en) * | 2016-12-21 | 2018-12-11 | 주식회사 포스코 | Cover Apparatus |
| CN207402101U (en) * | 2017-08-30 | 2018-05-25 | 常州新翼机械配件有限公司 | Corner fittings production ladle dryer |
| CN109897942B (en) * | 2017-12-07 | 2020-10-13 | 江苏天工工具有限公司 | Vacuum degassing device for high-speed steel |
| CN207735580U (en) * | 2017-12-29 | 2018-08-17 | 大连新瑞晨环保科技有限公司 | A kind of energy-saving exterior mixing coke-stove gas ladle baking facility |
| CN108941525B (en) * | 2018-07-25 | 2020-04-24 | 青岛万恒达机械设备有限公司 | Rotary type bag baking device |
| CN109210547B (en) * | 2018-09-30 | 2024-01-23 | 中国恩菲工程技术有限公司 | Hot air self-recovery incinerator equipment |
| CN109482853A (en) * | 2018-11-29 | 2019-03-19 | 甘肃志林商贸有限责任公司 | It is a kind of to heat fast Casting Equipment |
| CN209689372U (en) * | 2019-01-22 | 2019-11-26 | 湖州中科炉业科技有限公司 | A kind of aluminium melting furnace with function of recovering waste heat |
| CN210676932U (en) * | 2019-08-13 | 2020-06-05 | 泰州市德力西冶金机械设备有限公司 | Heat accumulating type ladle roaster |
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