CN213273894U

CN213273894U - Horizontal roller heating device

Info

Publication number: CN213273894U
Application number: CN202022133297.2U
Authority: CN
Inventors: 吴鹏; 殷文建
Original assignee: Myande Group Co Ltd
Current assignee: Myande Group Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-25
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a horizontal cylinder heating device, barrel inner chamber are equipped with heat exchanger tube bundle, evenly are equipped with multichannel support orifice plate along heat exchanger tube bundle's length direction, and each support orifice plate is fixed at the inner wall of barrel, and each heat exchange tube of heat exchanger tube bundle is pegged graft respectively in the support hole of support orifice plate, and each support hole department welds respectively has the support sleeve who shares the axis with the support hole, and the periphery of each heat exchange tube has welded multistage protective case respectively, and each protective case is arranged in corresponding support sleeve respectively. Two ends of each protective sleeve respectively protrude out of the port of the supporting sleeve. The supporting pore plates except the two ends of the heat exchange tube bundle are arranged on respective cross sections in an evenly discontinuous mode, and the supporting pore plates on the adjacent supporting cross sections are staggered in phase. And a shoveling plate group is respectively arranged between two adjacent supporting sections, each shoveling plate group is respectively provided with a plurality of shoveling plates distributed in an annular array, and each shoveling plate is respectively welded on the inner wall of the cylinder. The heat exchange tube of the horizontal roller heating device has long service life, good reliability and low maintenance cost.

Description

Horizontal roller heating device

Technical Field

The utility model relates to a steam heating device, in particular to horizontal cylinder heating device belongs to cylinder heating device technical field.

Background

The horizontal roller heating device comprises a barrel, wherein a heat exchange tube bundle is arranged in an inner cavity of the barrel, a plurality of supporting pore plates are uniformly arranged along the length direction of the heat exchange tube bundle, each supporting pore plate is fixed on the inner wall of the barrel, and each heat exchange tube of the heat exchange tube bundle is respectively inserted into the supporting pore of each supporting pore plate. After steam is introduced into the heat exchange tube or heating is stopped, expansion with heat and contraction with cold can be generated.

The heat exchange tube will follow the axis round trip movement that supports the orifice plate hole, and because the barrel is rotatory among the heat transfer process, the combined motion that forms like this causes and forms the friction between heat exchange tube top layer and the support orifice plate, long-time friction many times, because the support orifice plate is thinner, the aperture on the support orifice plate can increase gradually, and the outer wall of heat exchange tube can be more and more thin, and the local pit that forms easily. The thinned heat exchange tubes are easy to leak under the pressure action of a heat exchange medium. Under the adverse circumstances, the pit of heat exchange tube outer wall can restrict the heat exchange tube expend with heat and contract with cold's free removal, probably causes the deformation of support orifice plate and splits even, heat exchange tube welding seam fracture, also can arouse heat transfer medium to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a horizontal cylinder heating device, the long service life of heat exchange tube, the good reliability, the maintenance cost is low.

For solving above technical problem, the utility model discloses a horizontal cylinder heating device, the novel nipple rectifier comprises a cylindrical shel, the barrel inner chamber is equipped with heat transfer tube bank, evenly is equipped with multichannel support orifice plate along heat transfer tube bank's length direction, and each support orifice plate is fixed at the inner wall of barrel, each heat exchange tube of heat transfer tube bank peg graft respectively in the support hole of support orifice plate, each support hole department welds respectively and has the support sleeve who shares the axis with the support hole, and the periphery of each heat exchange tube has welded respectively multistage protective case, and each protective case is arranged in corresponding support sleeve respectively.

As an improvement of the utility model, the two ends of each protective sleeve respectively protrude out of the port of the supporting sleeve.

As a further improvement, the support pore plates except the two ends of the heat exchange tube bundle are evenly interrupted on the respective support cross sections, and the support pore plates on the adjacent support cross sections are staggered on the phase.

As a further improvement, the reinforcing rib plates are welded on the two sides of each supporting pore plate respectively and are welded on the inner wall of the cylinder body respectively.

As a further improvement, the shovelling plates are respectively arranged between two adjacent supporting sections, and each shovelling plate group is respectively provided with a plurality of shovelling plates distributed in an annular array, and each shovelling plate is respectively welded on the inner wall of the cylinder body.

As a further improvement of the utility model, the heat exchange tube bundle is distributed in an annular array by taking the cylinder axis as the center, and is provided with a plurality of tube bundle rings along the radial uniform distribution.

As a further improvement, the discharge end of barrel is less than the feed end, and the center of discharge end is equipped with a steam distribution section of thick bamboo, steam rotary joint is installed at the outer terminal surface center of a steam distribution section of thick bamboo, is equipped with a plurality of steam supply cross-sections along the axial of a steam distribution section of thick bamboo, and each steam supply cross-section is equipped with respectively and is the cross and connect the radial pipe of the steam distribution in steam distribution section of thick bamboo periphery, and the outer end of each radial pipe of steam distribution is connected respectively at the steam distribution ring canal, and each steam distribution ring canal supplies vapour to corresponding tube bank ring respectively.

As a further improvement of the utility model, the periphery of the barrel is fixed with a large gear for driving the barrel to rotate.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained: 1. after steam enters the heat exchange tubes, the steam is distributed into each heat exchange tube after passing through the steam distribution cylinder, the heat exchange tubes are driven by thermal expansion to move in the support sleeve, the outer surface of the protection sleeve and the inner surface of the support sleeve form friction, and the service life reduction caused by the wall thickness reduction of the heat exchange tubes and the like due to the direct friction of the heat exchange tubes and the holes of the support pore plate is avoided; the same is true of the cold-shrinking process when the supply of the heat exchange medium is stopped.

2. The reinforcing rib plates on the two sides of each supporting pore plate can improve the strength of the supporting pore plate, and the supporting pore plate is not easy to deform when a thinner supporting pore plate is used. The supporting pore plates are uniformly and discontinuously arranged on the respective supporting cross sections, so that the materials can conveniently move towards the discharge hole through the gaps among the supporting pore plates; the gaps of the adjacent supporting sections are staggered, so that the materials can zigzag and advance, and short flow is avoided.

3. The barrel is driven by the gear wheel to rotate continuously, the material at the bottom of the barrel can be copied by the copying plate on the inner wall of the barrel, and the material rises to a certain height to fall back to the bottom of the barrel along with the rotation of the barrel, so that the material is uniformly heated, and the material is prevented from being retained at the bottom of the barrel to cause overheating.

4. The discharge end of the cylinder is lower than the feed end, so that the material can move to the discharge end conveniently, and the steam moves forward to the feed end; steam enters the steam distribution cylinder through the steam rotary joint, then enters the steam distribution ring pipe through the steam distribution radial pipes distributed in a cross shape, and then enters the heat exchange pipes corresponding to the circumference from the steam distribution ring pipe, so that the steam uniformly enters each heat exchange pipe, condensed water generated by each heat exchange pipe flows to the discharge end, and finally converges into the steam distribution cylinder from the steam distribution radial pipes and is discharged from a siphon pipe at the center of the steam rotary joint.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Fig. 1 is a perspective view of the horizontal roller heating device of the present invention with part of the roller body hidden.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a partial front view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a barrel; 2. a heat exchange pipe; 2a, protecting a sleeve; 3. supporting the orifice plate; 3a, supporting a sleeve; 3b, reinforcing rib plates; 4. shoveling plates; 5. a steam rotary joint; 6. a steam distribution drum; 7. a steam distribution radial pipe; 8. a steam distribution ring pipe; 9. and a gearwheel.

Detailed Description

As shown in fig. 1 to 4, the utility model discloses a horizontal cylinder heating device includes barrel 1, 1 inner chamber of barrel is equipped with heat exchanger tube bundle, length direction along heat exchanger tube bundle evenly is equipped with multichannel support orifice plate 3, each support orifice plate 3 is fixed at the inner wall of barrel 1, each heat exchange tube 2 of heat exchanger tube bundle is pegged graft respectively in the supported hole of support orifice plate 3, each supported hole department welds respectively have with the support sleeve 3a of supported hole coaxial line, the periphery of each heat exchange tube 2 has welded respectively the multistage protective case 2a, each protective case 2a is arranged in corresponding support sleeve 3a respectively. Both ends of each protective sleeve 2a protrude out of the port of the support sleeve 3a.

The supporting pore plates 3 except the two ends of the heat exchange tube bundle are uniformly and discontinuously arranged on the respective supporting cross sections, and the supporting pore plates 3 on the adjacent supporting cross sections are mutually staggered in phase. The materials can conveniently move towards the discharge hole through the gap between the support pore plates 3; the gaps of the adjacent supporting sections are staggered, so that the materials can zigzag and advance, and short flow is avoided.

Reinforcing rib plates 3b are welded to two sides of each supporting pore plate 3 respectively, and the reinforcing rib plates 3b are welded to the inner wall of the cylinder body 1 respectively. The reinforcing rib plates 3b on both sides of each support orifice plate 3 can improve the strength of the support orifice plate 3, and the support orifice plate 3 is not easy to deform when a thinner support orifice plate 3 is used.

A large gear 9 for driving the cylinder 1 to rotate is fixed on the periphery of the cylinder 1. And a shoveling plate group is respectively arranged between two adjacent supporting sections, each shoveling plate group is respectively provided with a plurality of shoveling plates 4 distributed in an annular array, and each shoveling plate 4 is respectively welded on the inner wall of the cylinder body 1. The barrel 1 is driven by the gear wheel 9 to rotate continuously, the shoveling plates 4 on the inner wall of the barrel can shovel materials at the bottom of the barrel, the materials rise to a certain height along with the rotation of the barrel and fall back to the bottom of the barrel again, uniform heating of the materials is facilitated, and overheating caused by the fact that the materials are retained at the bottom of the barrel is avoided.

The heat exchange tube bundle is distributed in an annular array by taking the axis of the cylinder as the center, and a plurality of tube bundle rings are uniformly distributed along the radial direction. The discharge end of barrel is less than the feed end, and the center of discharge end is equipped with steam distribution section of thick bamboo 6, and steam rotary joint 5 is installed at the outer terminal surface center of steam distribution section of thick bamboo 6, is equipped with a plurality of steam supply cross-sections along the axial of steam distribution section of thick bamboo 6, and each steam supply cross-section is equipped with respectively and is the radial pipe 7 of the steam distribution of cross connection in steam distribution section of thick bamboo 6 periphery, and the outer end of each radial pipe 7 of steam distribution is connected respectively at steam distribution ring canal 8, and each steam distribution ring canal 8 supplies vapour to corresponding tube bank ring respectively.

The discharge end of the cylinder body 1 is lower than the feed end, so that the material can move to the discharge end conveniently, and the steam moves forward to the feed end; steam enters the steam distribution cylinder 6 through the steam rotary joint 5, then enters the steam distribution ring pipe 8 through the steam distribution radial pipes 7 distributed in a cross shape, enters the heat exchange pipes 2 corresponding to the circumference from the steam distribution ring pipe 8, ensures that the steam uniformly enters each heat exchange pipe 2, ensures that condensed water generated by each heat exchange pipe 2 flows to the discharge end, and is converged into the steam distribution cylinder 6 from the steam distribution radial pipes 7 and discharged from a siphon pipe at the center of the steam rotary joint 5.

After steam enters the heat exchange tubes 2, the steam is distributed into each heat exchange tube 2 through the steam distribution cylinder 6, the heat exchange tubes 2 are heated to expand to drive the protective sleeves 2a to move in the support sleeves 3a, friction is formed between the outer surfaces of the protective sleeves 2a and the inner surfaces of the support sleeves 3a, and service life reduction caused by wall thickness reduction of the heat exchange tubes and the like due to direct friction of the heat exchange tubes 2 and holes of the support pore plates 3 is avoided; the same is true of the cold-shrinking process when the supply of the heat exchange medium is stopped.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.

Claims

1. The utility model provides a horizontal cylinder heating device, includes the barrel, the barrel inner chamber is equipped with heat exchanger tube bundle, evenly is equipped with multichannel support orifice plate along heat exchanger tube bundle's length direction, and each support orifice plate is fixed at the inner wall of barrel, each heat exchange tube of heat exchanger tube bundle peg graft respectively in the support hole of support orifice plate, its characterized in that: support sleeves coaxial with the support holes are welded at the positions of the support holes respectively, a plurality of sections of protective sleeves are welded at the periphery of each heat exchange tube respectively, and each protective sleeve is positioned in the corresponding support sleeve respectively.

2. The horizontal drum heating apparatus according to claim 1, wherein: two ends of each protective sleeve respectively protrude out of the port of the supporting sleeve.

3. The horizontal drum heating apparatus according to claim 1, wherein: the supporting pore plates except the two ends of the heat exchange tube bundle are uniformly and discontinuously arranged on the respective supporting cross sections, and the supporting pore plates on the adjacent supporting cross sections are mutually staggered in phase.

4. The horizontal drum heating apparatus according to claim 1, wherein: and reinforcing rib plates are welded on two sides of each supporting pore plate respectively and are welded on the inner wall of the cylinder body respectively.

5. The horizontal drum heating apparatus according to claim 3, wherein: and a shoveling plate group is respectively arranged between two adjacent supporting sections, each shoveling plate group is respectively provided with a plurality of shoveling plates distributed in an annular array, and each shoveling plate is respectively welded on the inner wall of the cylinder.

6. The horizontal drum heating apparatus according to claim 1, wherein: the heat exchange tube bundle is distributed in an annular array by taking the axis of the cylinder as the center, and a plurality of tube bundle rings are uniformly distributed along the radial direction.

7. The horizontal drum heating apparatus according to claim 6, wherein: the steam distribution device is characterized in that the discharge end of the barrel is lower than the feed end, a steam distribution barrel is arranged in the center of the discharge end, a steam rotary joint is installed in the center of the outer end face of the steam distribution barrel, a plurality of steam supply sections are arranged in the axial direction of the steam distribution barrel, each steam supply section is provided with a steam distribution radial pipe which is connected to the periphery of the steam distribution barrel in a cross shape, the outer end of each steam distribution radial pipe is connected to a steam distribution ring pipe, and each steam distribution ring pipe supplies steam to the corresponding pipe bundle ring.

8. The horizontal drum heating apparatus according to any one of claims 1 to 7, wherein: and the periphery of the barrel is fixedly provided with a large gear for driving the barrel to rotate.