CN212962818U - Self-sealing device with soft sealing structure for furnace door of trolley furnace - Google Patents

Self-sealing device with soft sealing structure for furnace door of trolley furnace Download PDF

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Publication number
CN212962818U
CN212962818U CN202021715116.0U CN202021715116U CN212962818U CN 212962818 U CN212962818 U CN 212962818U CN 202021715116 U CN202021715116 U CN 202021715116U CN 212962818 U CN212962818 U CN 212962818U
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China
Prior art keywords
furnace
furnace door
door
guide rail
rail section
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CN202021715116.0U
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Chinese (zh)
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丁淑有
王贵忠
朱长凯
李广华
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Tianjin Zhongda Electric Heating Equipment Co ltd
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Tianjin Zhongda Electric Heating Equipment Co ltd
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Abstract

The utility model relates to the technical field of sealing of furnace doors of trolley furnaces, in particular to a self-sealing device of the furnace door of the trolley furnace with a soft sealing structure, which consists of an upper sliding piece assembly, a lower sliding piece assembly and a soft sealing assembly, wherein the upper sliding piece assembly and the lower sliding piece assembly comprise an upper sliding piece positioned above two sides of the furnace door and a lower sliding piece positioned below two sides of the furnace door; the upper sliding pieces on two sides of the furnace door slide along the upper guide rail section by means of the dead weight of the furnace door, the lower sliding pieces slide along the lower guide rail section by means of the dead weight of the furnace door, the furnace body is sealed by means of the dead weight of the furnace door, and the soft sealing assembly can prevent the furnace door from being damaged by the too hard collision between the furnace door and the furnace body.

Description

Self-sealing device with soft sealing structure for furnace door of trolley furnace
Technical Field
The utility model discloses equipment relates to platform truck stove furnace gate sealing technique field especially relates to a platform truck stove furnace gate is from sealing device with soft seal structure.
Background
The bogie hearth furnace is a national standard energy-saving periodic operation furnace, has a super energy-saving structure, and is mainly used for quenching, annealing and aging high-chromium and high-manganese steel castings, grey iron castings, nodular iron castings, rollers, steel balls, crusher hammers and wear-resistant lining plates and for heat treatment of various mechanical parts.
However, when the existing trolley furnace is sealed, the furnace door needs to be pushed by a power device (a motor, an electric cylinder, etc.) so that the furnace door is tightly pressed at the furnace opening of the furnace body, thereby realizing the sealing of the furnace body.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a platform truck stove furnace gate self sealss device with soft seal structure solves above-mentioned problem.
The utility model provides a platform truck stove furnace gate is from sealing device with soft seal structure, comprises upper and lower slider subassembly, compound guide rail subassembly, soft seal assembly, upper and lower slider subassembly is including the upper sliding part that is located furnace gate both sides top and the lower sliding part that is located furnace gate both sides below, compound guide rail subassembly includes the bottom to the inboard upper guide rail section and the lower guide rail section that extend of fire door, upper and lower slider subassembly relies on the furnace gate dead weight to slide along the upper guide rail section, and the lower sliding part relies on the furnace gate dead weight to slide along the lower guide rail section, soft seal assembly install the furnace gate towards the fire door on the surface, with the oven outside of fire door contacts.
The furnace door surface is also provided with a heating assembly with a convex structure, the heating assembly is embedded with the furnace opening, and the soft sealing assembly is arranged on the furnace door surface outside the heating assembly.
The soft sealing component comprises refractory fiber cotton and high-temperature-resistant angle steel;
the refractory fiber cotton is in contact with the furnace wall outside the furnace opening, is adhered to the surface of the furnace door through high-temperature resistant glue, and is fixed on the furnace door through the high-temperature resistant angle steel at the periphery.
The heating assembly comprises a boss formed by piling up furnace mouth bricks, a mounting groove is formed in the boss, a plurality of high-temperature-resistant porcelain tubes are mounted in the mounting groove at equal intervals, and heating wires are sleeved on the surfaces of the high-temperature-resistant porcelain tubes.
The top end of the upper guide rail section and the top end of the lower guide rail section extend along the vertical direction of the furnace mouth.
The upper guide rail section and the lower guide rail section are integrally cast on a support frame, and the support frame is fixedly installed on the furnace body.
The oven door is characterized by further comprising a chain, wherein the chain is connected with the oven door through a connecting assembly.
The top end of the furnace door is symmetrically distributed with double lug plates, and the connecting assembly comprises a pin shaft and a movable sleeve; the pin shaft penetrates through the movable sleeve, two ends of the pin shaft are fixedly installed on the double-lug plate, and the chain is fixedly connected with the movable sleeve.
One end of the chain is connected with a driving piece which drives the chain to ascend or descend.
Compared with the prior art, the utility model discloses the beneficial effect of equipment is:
the utility model discloses in the equipment, the last sliding part of furnace gate both sides relies on the furnace gate dead weight to slide along last guide rail section, and the lower sliding part relies on the furnace gate dead weight to slide along lower guide rail section, realizes the sealing of furnace body through the dead weight of furnace gate to install soft seal assembly in the one side that the furnace gate contacted with the furnace body, both can be used for preventing the heat in the furnace body and leak and can prevent the too hard collision of furnace gate and furnace body again, cause furnace gate or furnace body impaired.
Drawings
Fig. 1 is a schematic structural diagram I of a self-sealing device of a furnace door of a trolley furnace with a soft sealing structure in the embodiment.
Fig. 2 is a schematic structural diagram II of a self-sealing device of a furnace door of a bogie hearth furnace with a soft sealing structure according to the embodiment.
Fig. 3 is a schematic structural diagram III of a self-sealing device of a furnace door of a bogie hearth furnace with a soft sealing structure according to the embodiment.
Fig. 4 is a schematic structural diagram IV of a self-sealing device of a furnace door of a bogie hearth furnace with a soft sealing structure according to the present embodiment.
Fig. 5 is an enlarged view of fig. 4 at a.
In the drawings: the furnace comprises a furnace door 1, an upper sliding piece 1-1, a lower sliding piece 1-2, a furnace opening 2, a furnace wall 2-1, a composite guide rail assembly 3, an upper guide rail section 3-1, a lower guide rail section 3-2, a support frame 4, a reinforcing rib 4-1, a connecting assembly 5, a double lug plate 5-1, a pin shaft 5-2, a movable sleeve 5-3, a chain 6, a soft sealing assembly 7, fire fiber cotton 7-1, high-temperature resistant angle steel 7-2, a boss 8, a mounting groove 8-1, a high-temperature resistant porcelain tube 8-2 and a furnace body 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A kind of bogie hearth furnace door with soft seal structure is from the sealing device, it is made up of upper and lower sliding part assembly, compound guide rail assembly 3, soft seal assembly 7, the said upper and lower sliding part assembly includes upper sliding part 1-1 located above both sides of furnace door 1 and lower sliding part 1-2 located below both sides of furnace door 1, the said compound guide rail assembly includes the bottom extends to the inboard upper guide rail section 3-1 and lower guide rail section 3-2 of furnace mouth 2, the said upper and lower sliding part assembly relies on the dead weight of furnace door 1 to slide along upper guide rail section 3-1, the lower sliding part 1-2 relies on the dead weight of furnace door 1 to slide along lower guide rail section 3-2, the said soft seal assembly is mounted on the surface facing furnace mouth 2 of the said furnace door 1, contact with 2-1 outside the said furnace mouth 2;
when the existing trolley furnace is sealed, the furnace door needs to be pushed by a power device (a motor, an electric cylinder and the like) so that the furnace door is tightly pressed at a furnace opening of the furnace body to realize the sealing of the furnace body, but the self weight of the furnace door is large, the furnace door is pressed tightly by the power device for a long time, once the power device is damaged, the furnace door and the furnace body cannot be sealed, so that the heat in the furnace body is leaked, and the operation and processing in the furnace body are influenced;
therefore, in the device of the utility model, the upper sliding parts 1-1 at both sides of the furnace door 1 slide along the upper guide rail section 3-1 by means of the dead weight of the furnace door 1, the lower sliding parts 1-2 slide along the lower guide rail section 3-2 by means of the dead weight of the furnace door 1, the top end of the upper guide rail section 3-1 and the top end of the lower guide rail section 3-2 extend along the vertical direction of the furnace mouth 2, when the upper sliding parts 1-1 and the lower sliding parts 1-2 extend towards the inner side of the furnace mouth 2 at the upper guide rail section 3-1 and the lower guide rail section 3-2, the furnace door 1 is sealed with the furnace mouth 2, and the furnace door 1 is in close contact with the furnace mouth 2 by means of the dead weight of the furnace door 1, the self-sealing of the furnace mouth 2 is realized, and a small gap is possible to exist between the furnace door 1 and the furnace mouth 2, so, the soft sealing assembly 7 is arranged between the furnace opening 2 and the furnace door 1, and can prevent the heat in the furnace from leaking from a tiny gap between the furnace door 1 and the furnace opening 2; because the dead weight of the furnace door 1 is larger, the impact force generated when the furnace door 1 moves along the composite guide rail assembly 3 is also larger, the soft sealing assembly 7 can play a role of buffering when the furnace wall 2-1 contacts with the furnace door 1, and the furnace door 1 is prevented from rigidly touching the furnace wall 2-1 outside the furnace opening 2 to cause the damage of the furnace door 1 and the furnace wall 2-1.
The surface of the furnace door 1 is also provided with a heating assembly with a convex structure, and the soft sealing assembly 7 is arranged on the surface of the furnace door 1 outside the heating assembly;
the purpose of this design is: because a plurality of heating devices (heating wires and the like) are uniformly distributed in the furnace mouth 2, a heating assembly is arranged on the furnace door 1, so that the workpiece at the furnace mouth 2 can be heated more uniformly, and the workpiece close to the furnace door 1 is prevented from being heated poorly.
The heating component is embedded with the furnace chamber of the furnace mouth 2, and the design aims at: so that the gas in the furnace can not be leaked linearly, and labyrinth sealing is realized.
The soft sealing component 7 comprises refractory fiber cotton 7-1 (a filling area in figure 3) and high-temperature resistant angle steel 7-2; the refractory cellucotton 7-1 is adhered to the surface of the furnace door 1 through high-temperature-resistant glue, and the periphery of the refractory cellucotton is fixed on the furnace door 1 through the high-temperature-resistant angle steel 7-2; when the furnace door 1 is contacted with the furnace wall 2-1, the refractory cellucotton 7-1 plays a role in buffering and releasing energy; in addition, because the impact force is also larger when the furnace door 1 falls, and the refractory fiber cotton 7-1 is often contacted and rubbed with the furnace wall 2-1, the device can prevent the refractory fiber cotton 7-1 from falling off and prevent the furnace door 1 from being contacted and rubbed with the furnace wall 2-1 to cause the abrasion of the furnace door 1 and the furnace wall 2-1 by a double fixing mode of fixing the refractory fiber cotton 7-1 and the high-temperature resistant angle steel 7-2 through high-temperature adhesive.
The heating assembly comprises a boss 8 formed by stacking furnace mouth bricks, a mounting groove 8-1 is formed in the boss 8, a plurality of high-temperature-resistant porcelain tubes 8-2 are mounted in the mounting groove 8-1 at equal intervals, heating wires are sleeved on the surfaces of the high-temperature-resistant porcelain tubes 8-2, and one ends of the heating wires penetrate through the high-temperature-resistant porcelain tubes and are electrically connected with external power supply equipment through the high-temperature-resistant porcelain tubes.
The top end of the upper guide rail section 3-1 and the top end of the lower guide rail section 3-2 extend along the vertical direction of the furnace opening 2, when the furnace door 2 rises or falls, the upper sliding part 1-1 and the lower sliding part 1-2 move in the part of the upper guide rail section 3-1 and the lower guide rail section 3-2 extending along the vertical direction of the furnace mouth 2, when the upper sliding piece 1-1 and the lower sliding piece 1-2 are positioned at the part of the upper guide rail section 3-1 and the lower guide rail section 3-2 extending towards the inner side of the furnace opening 2, the furnace door 1 is sealed with the furnace opening 2, therefore, the furnace door 1 is only contacted with the furnace wall 2-1 when being sealed, compared with the traditional design that the furnace door slides up and down on the furnace body and is sealed with the furnace body, the utility model discloses the equipment reduces the sliding surface that makes the furnace door 1 contact with the furnace wall 2-1 and suffers damage, has also increased the life of furnace door 1.
The upper guide rail section 3-1 and the lower guide rail section 3-2 are integrally cast on a support frame 4, and the support frame 4 is fixedly installed on the furnace mouth 2.
The oven door is characterized by further comprising a chain 6, wherein the chain 6 is connected with the oven door 1 through a connecting assembly 5.
The top end of the furnace door 1 is symmetrically distributed with double lug plates 5-1, and the connecting assembly 5 comprises a pin shaft 5-2 and a movable sleeve 5-3; the pin shaft 5-2 penetrates through the movable sleeve 5-3, two ends of the pin shaft are fixedly arranged on the double-lug plate 5-1, and the chain 6 is fixedly connected with the movable sleeve 5-3;
the purpose of this design is: because the furnace door 1 needs to move a certain distance in the part of the upper guide rail section 3-1 and the lower guide rail section 3-2 extending towards the inner side of the furnace opening 2, the furnace door 1 gradually approaches along the horizontal direction of the furnace opening 2, namely, the chain 6 needs to be driven to move, if the furnace door 2 is still fixedly connected with the chain 6, the stress of the joint of the chain 3 and the furnace door is overlarge, and the chain 6 is broken, so the chain 6 is fixed on the movable sleeve 5-3 by the design, and the chain 6 is prevented from being broken by virtue of the rotary connection of the movable sleeve 5-3 and the pin shaft 5-2.
One end of the chain 6 is connected with a driving piece for driving the chain to ascend or descend, the driving piece can adopt a motor, an electric cylinder and the like, and the driving piece only needs to drive the chain to ascend or descend.
The upper guide rail section 3-1 and the lower guide rail section 3-2 are integrally cast on a support frame 4, and the support frame 4 is fixedly arranged on the furnace mouth 2;
the lifting assembly comprises a chain 6, and the chain 6 is connected with the furnace door 1 through a connecting assembly 5.
The top end of the furnace door 2 is symmetrically distributed with double lug plates 5-1, and the connecting assembly 5 comprises a pin shaft 5-2 and a movable sleeve 5-3; the pin shaft 5-2 penetrates through the movable sleeve 5-3, two ends of the pin shaft are fixedly arranged on the double-lug plate 5-1, and the chain 6 is fixedly connected with the movable sleeve 5-3.
The purpose of this design is: because the furnace door 1 needs to move a certain distance in the part of the upper guide rail section 3-1 and the lower guide rail section 3-2 extending towards the inner side of the furnace opening 2, the furnace door 1 gradually approaches along the horizontal direction of the furnace opening 2, namely, the chain 6 needs to be driven to move, if the furnace door 2 is still fixedly connected with the chain 6, the stress of the joint of the chain 3 and the furnace door is overlarge, and the chain 6 is broken, so the chain 6 is fixed on the movable sleeve 5-3 by the design, and the chain 6 is prevented from being broken by virtue of the rotary connection of the movable sleeve 5-3 and the pin shaft 5-2.
One end of the chain 6 is connected with a driving piece for driving the chain to ascend or descend, the driving piece can adopt a motor, an electric cylinder and the like, and the driving piece only needs to drive the chain to ascend or descend.
The working principle is as follows:
the utility model discloses equipment, the upper sliding part 1-1 of furnace gate 1 both sides relies on furnace gate 1 dead weight to slide along upper guide rail section 3-1, and lower sliding part 1-2 relies on furnace gate 1 dead weight to slide along lower guide rail section 3-2, upper guide rail section 3-1 top and lower guide rail section 3-2 top extend along fire door 2 vertical direction, when upper sliding part 1-1 and lower sliding part 1-2 in upper guide rail section 3-1 and lower guide rail section 3-2 to the inboard part that extends of fire door 2, furnace gate 1 and fire door 2 are sealed, have also realized making furnace gate 1 and fire door 2 in close contact with through the dead weight of furnace gate 1, when furnace gate 1 seals on fire door 2, do not need the long-term taut chain of driving piece, have avoided the chain to take up for a long time and have changed shape even fractured;
considering that a small gap may exist between the furnace door 1 and the furnace opening 2, the device of the present invention further comprises a soft sealing assembly 7 mounted on the surface of the furnace door 1, wherein the soft sealing assembly 7 is disposed between the furnace opening 2 and the furnace door 1, so as to prevent the heat inside the furnace from leaking from the small gap between the furnace door 1 and the furnace opening 2; because the dead weight of the furnace door 1 is larger, the impact force generated when the furnace door 1 moves along the composite guide rail assembly 3 is also larger, the soft sealing assembly 7 can play a role of buffering when the furnace opening 2 is contacted with the furnace door 1, and the furnace door 1 is prevented from rigidly touching the furnace wall 2-1 to cause the damage of the furnace door 1 and the furnace wall 2-1.

Claims (9)

1. The utility model provides a platform truck stove furnace gate is from sealing device with soft seal structure which characterized in that: comprises an upper sliding part component, a lower sliding part component, a composite guide rail component (3) and a soft sealing component (7), the upper and lower sliding piece component comprises an upper sliding piece (1-1) positioned above two sides of the furnace door (1) and a lower sliding piece (1-2) positioned below two sides of the furnace door (1), the composite guide rail component comprises an upper guide rail section (3-1) and a lower guide rail section (3-2) with the bottom end extending towards the inner side of the furnace mouth (2), the upper sliding piece (1-1) component slides along the upper guide rail section (3-1) by means of the dead weight of the furnace door (1), the lower sliding piece (1-2) slides along the lower guide rail section (3-2) by means of the dead weight of the furnace door (1), the soft sealing component is arranged on the surface of the furnace door (1) facing the furnace opening (2) and is in contact with the furnace wall (2-1) outside the furnace opening (2).
2. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 1, wherein: the surface of the furnace door (1) is also provided with a heating assembly with a convex surface structure, the heating assembly is embedded with the furnace opening (2), and the soft sealing assembly (7) is arranged on the surface of the furnace door (1) outside the heating assembly.
3. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 2, wherein: the soft sealing component (7) comprises refractory fiber cotton (7-1) and high-temperature resistant angle steel (7-2); the refractory cellucotton (7-1) is in contact with the furnace wall (2-1) outside the furnace opening (2), is adhered to the surface of the furnace door (1) through high-temperature resistant glue, and is fixed on the furnace door (1) through the high-temperature resistant angle steel (7-2) at the periphery.
4. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 3, wherein: the heating component comprises a boss (8) formed by piling up furnace mouth bricks, a mounting groove (8-1) is formed in the boss (8), a plurality of high-temperature resistant porcelain tubes (8-2) are mounted in the mounting groove (8-1) at equal intervals, and heating wires are sleeved on the surfaces of the high-temperature resistant porcelain tubes (8-2).
5. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 1, wherein: the top end of the upper guide rail section (3-1) and the top end of the lower guide rail section (3-2) extend along the vertical direction of the furnace mouth (2).
6. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 1, wherein: the furnace body (9) is further included, the upper guide rail section (3-1) and the lower guide rail section (3-2) are integrally cast on a support frame (4), and the support frame (4) is fixedly installed on the furnace body (9).
7. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 1, wherein: the oven door is characterized by further comprising a chain (6), wherein the chain (6) is connected with the oven door (1) through a connecting assembly (5).
8. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 7, wherein: the top end of the furnace door (1) is symmetrically distributed with double ear plates (5-1), and the connecting assembly (5) comprises a pin shaft (5-2) and a movable sleeve (5-3); the pin shaft (5-2) penetrates through the movable sleeve (5-3), two ends of the pin shaft are fixedly arranged on the double-lug plate (5-1), and the chain (6) is fixedly connected with the movable sleeve (5-3).
9. The self-sealing device of the furnace door of the trolley furnace with the soft sealing structure as claimed in claim 7, wherein: one end of the chain (6) is connected with a driving piece which drives the chain to ascend or descend.
CN202021715116.0U 2020-08-17 2020-08-17 Self-sealing device with soft sealing structure for furnace door of trolley furnace Active CN212962818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021715116.0U CN212962818U (en) 2020-08-17 2020-08-17 Self-sealing device with soft sealing structure for furnace door of trolley furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021715116.0U CN212962818U (en) 2020-08-17 2020-08-17 Self-sealing device with soft sealing structure for furnace door of trolley furnace

Publications (1)

Publication Number Publication Date
CN212962818U true CN212962818U (en) 2021-04-13

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Application Number Title Priority Date Filing Date
CN202021715116.0U Active CN212962818U (en) 2020-08-17 2020-08-17 Self-sealing device with soft sealing structure for furnace door of trolley furnace

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