CN210718667U

CN210718667U - Heat treatment furnace trolley

Info

Publication number: CN210718667U
Application number: CN201921700646.5U
Authority: CN
Inventors: 朱从宜
Original assignee: Hunan Congyi Electric Furnace Equipment Co ltd
Current assignee: Hunan Congyi Electric Furnace Equipment Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-09
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a heat treatment furnace trolley, which comprises a furnace body, a track and a furnace trolley, wherein the furnace trolley is provided with a continuous sealing contact surface, the furnace trolley comprises a trolley body, a bearing steel plate and a heat-resisting masonry body, the two sides of the bearing steel plate extend out of the outer wall of the trolley body, the bottom of the bearing steel plate is provided with an upper sealing element, the lower part of the side wall of the furnace body is provided with a lower sealing element, the bottom of the furnace body is provided with an air inlet pipe, the side wall of the air inlet pipe is uniformly provided with a spray head, the bottom of the side wall of the furnace body is provided with an air inlet channel and an air outlet channel, the bottom of the lower sealing element is provided with an air inlet hole and an air outlet hole, the utility model is provided with a high-aluminum fiber sealing strip structure and a cold air cooling device on the side wall of the furnace, the service life of the motor is prolonged, and the sealing effect and the service life of the high-aluminum fiber sealing strip structure are prolonged.

Description

Heat treatment furnace trolley

Technical Field

The utility model belongs to a general distillation furnace, kiln, baking furnace or distillation furnace; the technical field of open sintering equipment or similar equipment, in particular to a trolley of a heat treatment furnace.

Background

The car-type heat treatment furnace (the side-by-side type heat treatment furnace) is widely used in the field of material heat treatment due to simple structure and high efficiency; the trolley type heat treatment furnace mainly comprises a furnace body, a trolley and a track, wherein when the trolley type heat treatment furnace works, the track for trolley walking penetrates through a hearth of the furnace body along the motion direction of a kiln car, and the trolley filled with workpieces can enter and exit the hearth along the track; because the platform truck need move business turn over furnace, require to have the clearance between the furnace inner wall of platform truck and both sides, for guaranteeing the leakproofness, need adopt the sealing member to seal this clearance, however frequent relative movement of platform truck and furnace body when actual work, the sealing member between the two is very easy wearing and tearing, there are the problem that life is low, the maintenance cost is big, lead to the leakproofness between platform truck and the furnace body to be difficult to guarantee, even set up multistage step between platform truck and furnace body in order to slow down the furnace atmosphere and leak, also can't solve the poor problem of this stove type leakproofness, still can cause energy consumption and gas consumption to increase.

In order to solve the above problems, a sealing manner of a sand seal device or a water seal device is adopted between the side part of the kiln car and the hearth, but the sand seal device has a poor sealing effect, while the water seal device has high maintenance difficulty and complex operation in long-term use, and the sand seal device and the water seal device have the defects of complex structure, large occupied space, high cost and poor sealing stability.

Disclosure of Invention

In view of this, an object of the utility model is to provide a heat treatment furnace platform truck, this heat treatment furnace platform truck is through being provided with high-alumina fiber sealing strip structure and cold air cooling heat sink at furnace platform truck and furnace body lateral wall, be favorable to improving thermal-insulated effect, and reduce the platform truck side and wholly be heated the deformation that the intensification caused, damage, protection platform truck wheel and cable do not receive the flue gas or the heat radiation that flame probably appears and toast, the life of motor is improved, the sealed effect of extension high-alumina fiber sealing strip structure and life.

In order to achieve the purpose, the utility model relates to a heat treatment furnace trolley, which comprises a furnace body, a track and a furnace trolley arranged on the track, wherein a furnace chamber is arranged in the furnace body, the furnace trolley is movably arranged and can enter and exit the furnace chamber, a furnace door for the furnace trolley to enter and exit is arranged on the furnace body, continuous sealing contact surfaces for sealing the furnace trolley and the inner wall of the furnace chamber are arranged around the furnace trolley, the furnace trolley comprises a trolley body, a bearing steel plate arranged on the trolley body and a heat-resistant masonry arranged on the bearing steel plate, the continuous sealing contact surfaces are arranged at the bearing steel plate and the heat-resistant masonry side wall, the outer wall of the trolley body is extended from two sides of the bearing steel plate, an upper sealing element made of high-alumina fiber is arranged at the bottom of the extension part of the outer wall of the trolley body, a lower sealing element made of high-alumina fiber is arranged at the lower, the middle part of the upper sealing element is provided with a U-shaped strip, the lower sealing element is provided with a U-shaped groove matched with the U-shaped strip,

the bottom of the furnace body is provided with a support frame, the support frame is provided with an air pipe mounting rack, the air pipe mounting rack is provided with an air inlet pipe, the side wall of the air inlet pipe is uniformly provided with spray heads,

be provided with inlet channel and outlet channel in the furnace body lateral wall bottom, inlet channel one end is provided with the inlet port that holds the shower nozzle, sealing member bottom is provided with a plurality of inlet ports and the venthole that communicates with inlet channel and set up with the inlet port one-to-one with outlet channel intercommunication down, inlet port and venthole intercommunication, the outlet channel other end is provided with venthole I.

Furthermore, the upper sealing part is provided with bolt holes which are communicated up and down and are positioned on two sides of the U-shaped strip, the bottom of the upper sealing part is provided with pressing plates positioned on two sides of the U-shaped strip, and the pressing plates and the upper sealing part are fixed on the bearing steel plate through bolts.

Further, the lower portion of the side wall of the furnace body is of an L-shaped structure, the lower sealing piece is fixed to the inner wall of the furnace body through a horizontal bolt and a pressing plate, a bolt hole I which is communicated with the left and the right is formed in the side wall of the lower sealing piece, and the bolt hole I is located below the U-shaped groove.

Further, the air outlet holes I are formed in the side wall of the furnace body, and air outlet grooves which correspond to the air outlet holes I in a one-to-one mode are formed in the side wall of the furnace body.

Further, a flat nozzle is arranged at the upper part of the spray head.

Further, the bottom of the vehicle body is provided with at least 3 pairs of rotating shafts and wheels which are positioned on two sides of the rotating shafts and matched with the rails, the vehicle body is formed by arranging and welding channel steel transversely at equal intervals, and a rib plate is arranged in the middle of the channel steel.

Further, the bearing steel plate is set to be an 8-10mm steel plate.

Furthermore, the heat-resistant masonry comprises a heat-resistant layer consisting of high-alumina bricks or castable precast blocks and a heat-insulating layer formed by corundum castable.

The beneficial effects of the utility model reside in that:

1. the utility model discloses heat treatment furnace platform truck is provided with high-alumina fiber sealing strip structure and cold air cooling device, is favorable to improving thermal-insulated effect to reduce deformation, the damage that the platform truck side and whole heated and heaied up and cause, protection platform truck wheel and cable do not receive the heat radiation that flue gas or flame probably appear and toast, improve the life of motor, prolong the sealed effect of high-alumina fiber sealing strip structure and life.

2. The utility model discloses heat treatment furnace platform truck avoids the steel stove to use bottom part oil blanket damage to take place the oil leak under high temperature is long-time, the motor damages easily and platform truck below cable easily ageing damage takes place the electric leakage.

Drawings

FIG. 1 is a schematic structural view of a heat treatment furnace carriage of the present invention;

fig. 2 is a partial enlarged view of the heat treatment furnace trolley of the utility model.

Reference numerals: 1-furnace body; 2-furnace trolley; 3-hearth; 4-a side wall; 5-continuous sealing contact surface; 6-a rotating shaft; 7-orbit; 8-vehicle wheels; 9-a support frame; 10-an upper seal; 11-a lower seal; 12-a platen; 13-a bolt; 14-a load-bearing steel plate; 15-U-shaped groove; 16-an air pipe mounting rack; 17-an air inlet pipe; 18-a spray head; 19-an intake passage; 20-air outlet I; 21-an air outlet groove; 22-an air intake; 23-air outlet holes; 24-air outlet channel.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, the structure of the heat treatment furnace trolley of the present invention is schematically illustrated; the utility model relates to a heat treatment furnace trolley, which comprises a furnace body 1, a track 7 and a furnace trolley 2 arranged on the track 7, wherein a furnace hearth 3 is arranged in the furnace body 1, the furnace trolley 2 is movably arranged and can go in and out of the furnace hearth 3, a furnace door for the furnace trolley 2 to go in and out is arranged on the furnace body 1, the periphery of the furnace trolley 2 is provided with a continuous sealing contact surface 5 for sealing the space between the furnace trolley 2 and the inner wall of the furnace hearth 3, the furnace trolley 2 comprises a vehicle body, a bearing steel plate 14 arranged on the vehicle body and a heat-resisting masonry arranged on the bearing steel plate 14, the continuous sealing contact surface 5 is arranged at the bearing steel plate 14 and the side wall of the heat-resisting masonry, the two sides of the bearing steel plate 14 extend out of the vehicle body, the bearing steel plate 14 is arranged at the bottom of the extension of the outer wall of the vehicle body and is provided with an upper sealing element 10 made of high-alumina fiber, the lower part, a U-shaped strip is arranged in the middle of the upper sealing element 10, a U-shaped groove 15 matched with the U-shaped strip is arranged on the lower sealing element 11,

a supporting frame 9 is arranged at the bottom of the furnace body 1, an air pipe mounting frame 16 is arranged on the supporting frame 9, an air inlet pipe 17 is arranged on the air pipe mounting frame 16, spray heads 18 are uniformly distributed on the side wall of the air inlet pipe 17,

be provided with inlet channel 19 and outlet channel 24 in the 4 bottoms of furnace body 1 lateral wall, inlet channel 19 one end is provided with the inlet port that holds shower nozzle 18, lower sealing member 11 bottom is provided with a plurality of inlet ports 22 with inlet channel intercommunication and the venthole 23 that communicates with outlet channel 24 and set up with inlet port 22 one-to-one, inlet port 22 and venthole 23 intercommunication, the outlet channel 24 other end is provided with venthole I20.

On the basis that the continuous sealing contact surface is arranged between the existing furnace body and the furnace trolley, high-aluminum fiber sealing structures which are arranged on two sides of the lower portion of the bearing steel plate of the furnace trolley and correspond to the side wall of the furnace body are arranged on two sides of the lower portion of the bearing steel plate, flexibility between the high-aluminum fiber sealing elements is utilized, the U-shaped strip of the upper sealing element 10 can conveniently move back and forth in the U-shaped groove 15 of the lower sealing element 11, the furnace trolley enters the furnace body, 2-3 layers of sealing are arranged at the bottom of the U-shaped groove 15 of the lower sealing element 11 and on the side wall of the U-shaped strip of the upper sealing element 10, the sealing effect is good, the heat insulation effect can be improved, deformation and damage caused by heating of the side face and the whole body of the trolley are reduced, the wheels and.

This embodiment is preferred 18 upper portion of shower nozzle is provided with flat form spout, after admitting air through intake pipe 17, cold air passes through in the shower nozzle gets into inlet channel 19, get into down in sealing member 11 along inlet port 22, and get into outlet channel 24 along venthole 23, discharge along with venthole I20, play cooling's effect, be favorable to improving thermal-insulated effect, and reduce the deformation that the platform truck side and whole are heated and heat up and cause, damage, protection platform truck wheel and cable do not receive the thermal radiation that flue gas or flame probably appear and toast, the life of motor is improved, the sealed effect of extension high-alumina fiber sealing strip structure and life.

In a preferable embodiment, bolt holes which are communicated up and down are formed in two sides, located on the U-shaped strip, of the upper sealing element 10, pressing plates 12 are arranged on two sides, located on two sides of the U-shaped strip, of the bottom of the upper sealing element, the pressing plates and the upper sealing element are fixed on a bearing steel plate 14 through bolts 13, the structure is favorable for dismounting and replacing the upper sealing element 10, installation and processing are convenient, and a sealing effect is good.

The preferred embodiment, 4 lower parts of furnace body 1 lateral wall set up to L type structure, the sealing member passes through horizontal bolt and clamp plate to be fixed on the furnace body inner wall down, be provided with on the sealing member lateral wall down and control the bolt hole I of intercommunication, bolt hole I is located U type groove below, and this structure is favorable to dismantling and changes sealing member 11 down, and installation and processing is convenient, and is sealed effectual.

Further, venthole I20 sets up on the furnace body lateral wall, be provided with the venthole 21 that sets up with venthole I20 one-to-one on the lateral wall 4 of automobile body 1, this structure is favorable to getting into clearance department between automobile body and the furnace body 1 to the air current, this structure protection platform truck wheel does not receive the heat radiation that flue gas or flame probably appear, toasts, avoids the steel stove to use bottom part oil blanket damage to take place the oil leak under the high temperature long-time, the easy damage of motor and the easy ageing damage of platform truck below cable take place the electric leakage, realize the thermal-insulated cooling protection to automobile body lateral wall, last sealing member and lower sealing member.

The preferred embodiment, the automobile body bottom be provided with be no less than 3 counter shaft 6 with be located 6 both sides of pivot and with the wheel 8 of 7 adaptations of track, the automobile body adopts the horizontal equidistance of channel-section steel to arrange the welding formation, is provided with the gusset in the middle of the channel-section steel, it sets up to 8-10mm steel sheet to bear the weight of the steel sheet, heat-resisting brickwork includes the heat-resistant layer that comprises high-alumina brick or castable precast block and the heat preservation that is formed by the corundum castable, and this structure is that the stove platform truck is simple compact, with low costs, easy operation, easy to maintain, sealing stability is good.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a heat treatment furnace platform truck, includes furnace body, track and sets up the furnace platform truck on the track, is equipped with furnace in the furnace body, and furnace platform truck activity sets up and can pass in and out furnace, be provided with the furnace gate that is used for the business turn over of furnace platform truck on the furnace body, all be equipped with all around of furnace platform truck and be used for the sealed continuous sealing contact surface between furnace platform truck and the furnace inner wall, the furnace platform truck includes the automobile body, sets up the bearing steel sheet on the automobile body and sets up the heat-resisting brickwork on bearing the steel sheet, continuous sealing contact surface sets up bearing steel sheet and heat-resisting brickwork lateral wall department, its characterized in: the two sides of the bearing steel plate extend out of the outer wall of the vehicle body, the bottom of the extending part of the bearing steel plate positioned on the outer wall of the vehicle body is provided with an upper sealing piece made of high-aluminum fibers, the lower part of the side wall of the furnace body positioned below the bearing steel plate is provided with a lower sealing piece made of high-aluminum fibers, the middle part of the upper sealing piece is provided with a U-shaped strip, the lower sealing piece is provided with a U-shaped groove matched with the U-shaped strip,

2. The heat treatment furnace cart of claim 1, wherein: the upper sealing part is provided with bolt holes which are communicated up and down and are positioned on two sides of the U-shaped strip, the bottom of the upper sealing part is provided with pressing plates positioned on two sides of the U-shaped strip, and the pressing plates and the upper sealing part are fixed on the bearing steel plate through bolts.

3. The heat treatment furnace cart of claim 1, wherein: the furnace body side wall lower part sets up to L type structure, lower sealing member passes through horizontal bolt and clamp plate to be fixed on the furnace body inner wall, be provided with bolt hole I of left and right sides intercommunication on the lower sealing member side wall, bolt hole I is located U type groove below.

4. The heat treatment furnace cart according to any one of claims 1 to 3, wherein: the air outlet holes I are formed in the side wall of the furnace body, and air outlet grooves which correspond to the air outlet holes I one to one are formed in the side wall of the furnace body.

5. The heat treatment furnace cart of claim 4, wherein: the upper part of the spray head is provided with a flat spout.

6. The heat treatment furnace cart of claim 1, wherein: the car body is characterized in that at least 3 pairs of rotating shafts and wheels which are located on two sides of the rotating shafts and matched with the rails are arranged at the bottom of the car body, the car body is formed by arranging and welding channel steel transversely at equal intervals, and a rib plate is arranged in the middle of the channel steel.

7. The heat treatment furnace cart of claim 1, wherein: the bearing steel plate is set to be an 8-10mm steel plate.

8. The heat treatment furnace cart of claim 1, wherein: the heat-resistant masonry comprises a heat-resistant layer consisting of high-alumina bricks or castable precast blocks and a heat-insulating layer formed by corundum castable.