CN211084932U - Chemical waste heat boiler convenient to maintenance - Google Patents
Chemical waste heat boiler convenient to maintenance Download PDFInfo
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- CN211084932U CN211084932U CN201921040594.3U CN201921040594U CN211084932U CN 211084932 U CN211084932 U CN 211084932U CN 201921040594 U CN201921040594 U CN 201921040594U CN 211084932 U CN211084932 U CN 211084932U
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Abstract
The utility model discloses a chemical waste heat boiler convenient for maintenance, which comprises a bottom plate, supporting plates, boiler tanks, heat exchangers, rails, a lifting device, a first connecting plate and a second connecting plate, wherein the supporting plates are symmetrically fixed at one end of the upper surface of the bottom plate, the boiler tanks are fixed at the tops of the two supporting plates on the bottom plate, the heat exchangers are inserted into the inner walls of the boiler tanks, one ends of the heat exchangers are fixedly connected with the boiler tanks through bolts, the rails are symmetrically fixed on the upper surface of the bottom plate, the lifting device is connected with one ends of the rails in an equidistant sliding manner, the lifting device is provided with two parts, the first connecting plate and the second connecting plate are respectively fixed at the tops of the two lifting devices on the rails, the top of the first connecting plate is fixedly connected with one ends of the heat exchangers, the chemical waste heat boiler convenient for maintenance is, the heat exchanger is convenient for people to aim at the boiler tank body, and the installation is convenient for people.
Description
Technical Field
The utility model relates to a waste heat boiler technical field specifically is a chemical industry waste heat boiler convenient to maintenance.
Background
The industrial waste heat boiler is a heat exchanger for producing steam by using high-temperature material flow in the production process as a heat source, and is a cooler for the high-temperature material flow in the process flow and a power device for providing the steam by using waste heat. For example, in an ethylene device, pyrolysis gas (the temperature is as high as 800-900 ℃) from a tubular furnace is directly sent into a quenching waste heat boiler, and the temperature is reduced to 350-600 ℃ within 0.1s, so that the ethylene yield can be prevented from being reduced due to over-pyrolysis, high-pressure steam of more than 10MPa can be produced, and the ethylene device plays an important role in improving the heat efficiency and the economic benefit of the whole plant. At present, waste heat boilers are generally used in a plurality of production processes of nitric acid, sulfuric acid, synthetic ammonia, petroleum refining industry and the like, so that power and heat energy required by the production process can be wholly or partially self-supplied, when the waste heat boilers are maintained, heat exchange tubes need to be taken out of a boiler body, the heat exchange tubes of the existing waste heat boilers are large in size, inconvenient to disassemble and maintain by people, and the height of the heat exchangers cannot be adjusted when the heat exchangers are installed, so that the heat exchangers are inconvenient to butt joint with the boiler body of the boiler. Therefore, the chemical waste heat boiler convenient to maintain is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chemical industry exhaust-heat boiler convenient to maintenance to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemical waste heat boiler convenient to maintenance, includes bottom plate, backup pad, the boiler jar body, heat exchanger, track, elevating gear, first connecting plate and second connecting plate, bottom plate upper surface one end symmetry is fixed with the backup pad, two backup pad tops on the bottom plate are fixed with the boiler jar body, the grafting of boiler jar internal wall has the heat exchanger, and heat exchanger one end passes through bolt and boiler jar body fixed connection, bottom plate upper surface symmetry is fixed with the track, track one end equidistance sliding connection has elevating gear, and elevating gear has two, two elevating gear tops on the track are fixed with first connecting plate and second connecting plate respectively, first connecting plate top and heat exchanger one end fixed connection.
Preferably, the lifting device comprises a sliding block, a fixed rod, a fixed cylinder, a driven bevel gear, a threaded rod, a rotating rod and a driving bevel gear, the outer side of the track is connected with a slide block in a sliding way, the top parts of the two slide blocks on the track are fixed with a fixed rod, the upper surface of the fixed rod is symmetrically fixed with a fixed cylinder, the top of the fixed cylinder is rotationally connected with a driven bevel gear through a bearing, a threaded hole is arranged in the middle of the driven bevel gear, a threaded rod is connected with the middle of the driven bevel gear in a threaded manner, one end of the threaded rod is connected with the inner wall of the fixed cylinder in a sliding way, the tops of the two threaded rods in the fixed cylinder are fixedly connected with the first connecting plate, the upper ends of the two fixed cylinders on the fixed rod are rotatably connected with a rotating rod through a bearing, two ends of the rotating rod are symmetrically fixed with driving bevel gears, and two driving bevel gears on the rotating rod are respectively meshed and connected with two driven bevel gears on the fixed cylinder.
Preferably, a hand wheel is fixed in the middle of the rotating rod.
Preferably, the upper end of the second connecting plate is arc-shaped, and the upper surface of the second connecting plate is provided with a clamping groove.
Preferably, the track is arranged in a T shape, a T-shaped sliding groove is formed in one end of the sliding block, and the track is connected with the T-shaped sliding groove in the sliding block in a sliding mode.
Preferably, the heat exchanger is a U-tube heat exchanger.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the boiler needs to be disassembled and maintained, the bolt between the heat exchanger and the boiler body is disassembled, at the moment, people can pull the heat exchanger out of the boiler body, and the lifting device fixed with the first connecting plate is fixedly connected with the heat exchanger to support the heat exchanger and slide on the track, when the heat exchange tube of the heat exchanger slides out of the boiler body, people push the lifting device fixed with the second connecting plate to align the second connecting plate with the fixed frame body of the heat exchange tube, at the moment, people rotate the hand wheel to drive the rotating rod to rotate, so that the rotating rod drives the driving bevel gear to rotate and further drives the driven bevel gear to rotate, the middle part of the driven bevel gear is provided with a threaded hole, the threaded hole is in threaded connection with the threaded rod, so that the driven bevel gear drives the threaded rod to lift when rotating, so that the second connecting plate is driven to lift, the other end of the heat exchanger is supported, the heat exchanger can be completely taken out of the boiler body at the moment, the heat exchanger is maintained, and the heat exchanger is convenient to maintain and use by people.
2. The utility model discloses people rotate the hand wheel, and then drive the bull stick and rotate, make the bull stick drive the drive bevel gear and rotate, and then drive driven bevel gear and rotate, threaded hole is seted up at the driven bevel gear middle part, and screw hole and threaded rod threaded connection, and then drive the threaded rod when making driven bevel gear rotate and go up and down, and then drive first connecting plate or second connecting plate and go up and down, and then the height of adjustable heat exchanger to people aim at the boiler tank body with the heat exchanger, so that people install.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic view of the lifting device of the present invention.
In the figure: 1. a base plate; 2. a support plate; 3. a boiler tank; 4. a heat exchanger; 5. a track; 6. a lifting device; 7. a first connecting plate; 8. a second connecting plate; 9. a slider; 10. fixing the rod; 11. a driven bevel gear; 12. a threaded rod; 13. a rotating rod; 14. a drive bevel gear; 15. a hand wheel; 16. a card slot; 17. and (4) fixing the cylinder.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a chemical waste heat boiler convenient to maintain comprises a bottom plate 1, supporting plates 2, boiler tanks 3, heat exchangers 4, rails 5, lifting devices 6, first connecting plates 7 and second connecting plates 8, wherein the supporting plates 2 are symmetrically fixed at one end of the upper surface of the bottom plate 1, the boiler tanks 3 are fixed at the tops of the two supporting plates 2 on the bottom plate 1, the heat exchangers 4 are inserted into the inner walls of the boiler tanks 3, one ends of the heat exchangers 4 are fixedly connected with the boiler tanks 3 through bolts, the rails 5 are symmetrically fixed on the upper surface of the bottom plate 1, the lifting devices 6 are connected at one ends of the rails 5 in an equidistant sliding manner, the number of the lifting devices 6 is two, the first connecting plates 7 and the second connecting plates 8 are respectively fixed at the tops of the two lifting devices 6 on the rails 5, the tops of the first connecting plates 7 are fixedly connected with one ends of the heat exchangers 4, when the boiler waste heat boilers are required to, people can pull out heat exchanger 4 from the boiler tank 3 this moment, and be fixed with elevating gear 6 and heat exchanger 4 fixed connection of first connecting plate 7, make it support for 4 of heat exchanger, and slide on track 5, when the heat exchange tube of heat exchanger 4 slided out boiler tank 3 soon, people promote elevating gear 6 who is fixed with second connecting plate 8, make second connecting plate 8 aim at the fixed support body of heat exchange tube, and drive second connecting plate 8 through elevating gear 6 and go up and down, make second connecting plate 8 block heat exchanger 4, support the other end of heat exchanger 4, can take out heat exchanger 4 from the boiler tank 3 completely this moment.
The lifting device 6 comprises a sliding block 9, a fixed rod 10, fixed cylinders 17, a driven bevel gear 11, a threaded rod 12, a rotating rod 13 and a driving bevel gear 14, the sliding block 9 is connected to the outer side of the track 5 in a sliding manner, the fixed rods 10 are fixed at the tops of the two sliding blocks 9 on the track 5, the fixed cylinders 17 are symmetrically fixed on the upper surface of the fixed rod 10, the driven bevel gear 11 is rotatably connected to the top of the fixed cylinder 17 through a bearing, a threaded hole is formed in the middle of the driven bevel gear 11, the threaded rod 12 is connected to the middle of the driven bevel gear 11 in a threaded manner, one end of the threaded rod 12 is slidably connected with the inner wall of the fixed cylinder 17, the tops of the two threaded rods 12 in the fixed cylinder 17 are fixedly connected with the first connecting plate 7, the rotating rods 13 are rotatably connected to the upper ends, and two drive bevel gears 14 on the rotating rod 13 are respectively meshed with two driven bevel gears 11 on the fixed cylinder 17, a hand wheel 15 is rotated by people, the rotating rod 13 is driven to rotate, the rotating rod 13 drives the drive bevel gears 14 to rotate, the driven bevel gears 11 are driven to rotate, threaded holes are formed in the middle parts of the driven bevel gears 11 and are in threaded connection with threaded rods 12, the threaded rods 12 are driven to lift when the driven bevel gears 11 rotate, the first connecting plate 7 or the second connecting plate 8 is driven to lift, the height of the heat exchanger 4 can be adjusted, and the heat exchanger 4 is aligned to the boiler body 3 by people so as to be installed by people.
A hand wheel 15 is fixed in the middle of the rotating rod 13, so that people can rotate the rotating rod 13 conveniently.
The upper end of the second connecting plate 8 is arc-shaped, and the upper surface of the second connecting plate 8 is provided with a clamping groove 16, so that the second connecting plate 8 can clamp the heat exchanger 4 conveniently.
The track 5 is T-shaped, a T-shaped sliding groove is formed in one end of the sliding block 9, the track 5 is connected with the T-shaped sliding groove in the sliding block 9 in a sliding mode, and the sliding block 9 can slide on the track 5 stably.
The heat exchanger 4 is a U-shaped tubular heat exchanger, which is convenient for disassembly and maintenance of the heat exchanger 4.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a chemical waste heat boiler convenient to maintenance, includes bottom plate (1), backup pad (2), the boiler jar body (3), heat exchanger (4), track (5), elevating gear (6), first connecting plate (7) and second connecting plate (8), its characterized in that: bottom plate (1) upper surface one end symmetry is fixed with backup pad (2), two backup pad (2) tops on bottom plate (1) are fixed with the boiler body (3), the boiler body (3) inner wall is pegged graft and is had heat exchanger (4), and heat exchanger (4) one end passes through bolt and boiler body (3) fixed connection, bottom plate (1) upper surface symmetry is fixed with track (5), track (5) one end equidistance sliding connection has elevating gear (6), and elevating gear (6) have two, two elevating gear (6) tops on track (5) are fixed with first connecting plate (7) and second connecting plate (8) respectively, first connecting plate (7) top and heat exchanger (4) one end fixed connection.
2. The waste heat boiler of chemical industry convenient to maintain of claim 1, characterized in that: the lifting device (6) comprises sliding blocks (9), fixing rods (10), a fixing barrel (17), driven bevel gears (11), threaded rods (12), a rotating rod (13) and a driving bevel gear (14), the sliding blocks (9) are connected to the outer side of the track (5) in a sliding mode, the fixing rods (10) are fixed to the tops of the two sliding blocks (9) on the track (5), the fixing barrel (17) is symmetrically fixed to the upper surface of each fixing rod (10), the tops of the fixing barrel (17) are connected with the driven bevel gears (11) in a rotating mode through bearings, threaded holes are formed in the middle of the driven bevel gears (11), threaded rods (12) are connected to the middle of the driven bevel gears (11) in a threaded mode, one ends of the threaded rods (12) are connected with the inner wall of the fixing barrel (17) in a sliding mode, and the tops of the two threaded rods (, the upper ends of two fixed cylinders (17) on the fixed rod (10) are rotatably connected with a rotating rod (13) through bearings, driving bevel gears (14) are symmetrically fixed at two ends of the rotating rod (13), and the two driving bevel gears (14) on the rotating rod (13) are respectively meshed with two driven bevel gears (11) on the fixed cylinders (17).
3. The waste heat boiler of chemical industry convenient to maintain of claim 2, characterized in that: a hand wheel (15) is fixed in the middle of the rotating rod (13).
4. The waste heat boiler of chemical industry convenient to maintain of claim 2, characterized in that: the track (5) is arranged in a T shape, a T-shaped sliding groove is formed in one end of the sliding block (9), and the track (5) is connected with the T-shaped sliding groove in the sliding block (9) in a sliding mode.
5. The waste heat boiler of chemical industry convenient to maintain of claim 1, characterized in that: the upper end of the second connecting plate (8) is arc-shaped, and a clamping groove (16) is formed in the upper surface of the second connecting plate (8).
6. The waste heat boiler of chemical industry convenient to maintain of claim 1, characterized in that: the heat exchanger (4) is a U-shaped tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040594.3U CN211084932U (en) | 2019-07-05 | 2019-07-05 | Chemical waste heat boiler convenient to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040594.3U CN211084932U (en) | 2019-07-05 | 2019-07-05 | Chemical waste heat boiler convenient to maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211084932U true CN211084932U (en) | 2020-07-24 |
Family
ID=71634810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921040594.3U Active CN211084932U (en) | 2019-07-05 | 2019-07-05 | Chemical waste heat boiler convenient to maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211084932U (en) |
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2019
- 2019-07-05 CN CN201921040594.3U patent/CN211084932U/en active Active
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