CN210638005U - Improved structure of conversion medium-pressure waste heat boiler - Google Patents
Improved structure of conversion medium-pressure waste heat boiler Download PDFInfo
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- CN210638005U CN210638005U CN201921067793.3U CN201921067793U CN210638005U CN 210638005 U CN210638005 U CN 210638005U CN 201921067793 U CN201921067793 U CN 201921067793U CN 210638005 U CN210638005 U CN 210638005U
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Abstract
The utility model provides a transform middling pressure exhaust-heat boiler reforms transform back structure, including the indirect heating equipment body, this internal heat exchange tube that is equipped with tube sheet and U type of indirect heating equipment, the straightway one end of heat exchange tube and the end connection of tube sheet are equipped with the backup pad on the heat exchange tube, and the U type section of heat exchange tube and straightway junction are through flexible fixed establishment and the backup pad contact cooperation that corresponds. The utility model discloses simple structure, the material is ordinary, the process is few and simple manufacture, has practiced thrift a large amount of costs, has shortened the parts machining cycle. The installation adjustment is convenient, can adjust to compress tightly the piece so that compress tightly on the piece presses to the backup pad, and application scope is wide, improves the practicality. The utility model discloses increased flexible fixed establishment at the U type section of heat exchange tube, alleviateed the vibration of the latter half of tube bank, the effectual hidden danger that the heat exchange tube vibrations brought for other equipment that has reduced, long service life has reduced the use cost of enterprise.
Description
Technical Field
The utility model belongs to heat exchanger structure field, specifically speaking transform middling pressure exhaust-heat boiler reforms transform rear structure.
Background
The U-shaped tube heat exchanger is popular with users due to the characteristics of simple structure, low manufacturing cost, convenient tube bundle extraction from the shell, convenient cleaning and the like. The U-shaped pipe heat exchanger is long, the pipe body is easy to shake, and the pipe body collides with the inner wall of the pipe shell or other U-shaped pipes, so that the damage of the U-shaped pipes is caused, and the service life is prolonged.
The vibration at the tail end of the heat exchange tube can be transferred to other weak links when being stronger, so that the local deformation of the weak links is serious, the normal use is influenced, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transform middling pressure exhaust-heat boiler reforms transform back structure for solve the problem that the heat exchange tube vibration among the prior art influences the use, reach the vibration of effectively eliminating the heat exchange tube and ensure to use reliable beneficial effect.
The utility model discloses a following technical scheme realizes:
transform middling pressure exhaust-heat boiler reforms transform back structure, including the heat exchange equipment body, this internal heat exchange tube that is equipped with tube sheet and U type of heat exchange equipment, the straightway one end of heat exchange tube and the end connection of tube sheet are equipped with the backup pad on the heat exchange tube, and the U type section of heat exchange tube passes through flexible fixed establishment and the backup pad contact cooperation that corresponds with the straightway junction.
The transformed middle-pressure waste heat boiler is characterized in that the transformed rear structure comprises a pressing piece, a bolt, a connecting piece and an adjusting nut, the connecting piece is fixedly installed on the front side and the rear side of the right part in the heat exchange equipment body respectively, the bolt is arranged on the connecting piece, the adjusting nut is installed on the bolt in a threaded mode, the adjusting nut is located below the connecting piece, and the pressing piece is fixedly installed on the upper end of the bolt jointly. Adjusting nut position on the bolt changes, and the surplus that the bolt is located the connecting piece upside changes promptly to the adjustment compresses tightly the elasticity of piece and backup pad contact, and easy operation, high efficiency satisfy the in-service use demand, and the practicality is strong.
According to the improved structure of the conversion medium-pressure waste heat boiler, the pressing piece is made of a steel belt. The steel band can satisfy the user demand, and product quality is good, long service life.
According to the improved structure of the transformation medium-pressure waste heat boiler, the pressing piece is made of a steel belt, delta of the steel belt is 20mm, and R of the center point of the steel belt and the center point of the supporting plate is 845 mm. The heat exchange pipe has the advantages that the heat exchange pipe can reduce vibration due to proper size, local deformation of other weak parts caused by vibration conduction can be avoided, and the use reliability is high.
The transformed middle-pressure waste heat boiler is characterized in that the transformed middle-pressure waste heat boiler is of a structure, the connecting piece comprises a connecting block, a connecting plate and a through hole, the connecting plate is fixedly installed on the bottom surface of the connecting block and is provided with the through hole, a bolt is arranged in the through hole and can move along the through hole, and the diameter of the through hole is larger than that of the bolt and smaller than that of the adjusting nut. Adjusting nut can change the surplus that the bolt is located the connecting piece upside, can also play the fixed action to the user state after adjusting, improves the convenience of using.
According to the transformed middle-pressure waste heat boiler structure, the connecting piece is welded with the inner wall of the heat exchange equipment body in a fixed connection mode, and the steel belt is welded with the bolt in a fixed connection mode. By adopting the welding mode, the welding seam has good forming, less defects, high welding seam quality and attractive appearance.
According to the transformed rear structure of the transformation medium-pressure waste heat boiler, the supporting plate is perpendicular to the heat exchange tube, and the supporting plate is provided with a positioning hole through which the heat exchange tube passes. The supporting plate can ensure that the heat exchange tubes are firmly installed and do not shake, avoid collision between the heat exchange tubes or with other parts, and has long service life and good heat exchange effect.
The utility model has the advantages that: the utility model discloses simple structure, the material is ordinary, the process is few and simple manufacture, has practiced thrift a large amount of costs, has shortened the parts machining cycle. The installation adjustment is convenient, can adjust to compress tightly the piece so that compress tightly on the piece presses to the backup pad, and application scope is wide, improves the practicality. The utility model discloses increased flexible fixed establishment at the U type section of heat exchange tube, alleviateed the vibration of the latter half of tube bank, the effectual hidden danger that the heat exchange tube vibrations brought for other equipment that has reduced, long service life has reduced the use cost of enterprise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of a cross-sectional view taken along line A-A of FIG. 1; fig. 3 is an enlarged view of part i of fig. 2.
In the figure, a heat exchange device body 1, a heat exchange tube 2, a supporting plate 3, a flexible fixing mechanism 4, a pressing piece 5, a bolt 6, a connecting piece 7, a connecting block 7-1, a connecting plate 7-2, an adjusting nut 8 and a through hole 9.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Transform middling pressure exhaust-heat boiler reforms transform back structure, as shown in the figure, including heat exchange equipment body 1, be equipped with the heat exchange tube 2 of tube sheet and U type in the heat exchange equipment body 1, the straightway one end of heat exchange tube 2 and the end connection of tube sheet are equipped with backup pad 3 on the heat exchange tube 2, and the U type section of heat exchange tube 2 passes through flexible fixed establishment 4 and the contact cooperation of the backup pad 3 that corresponds with the straightway junction. Use the utility model discloses the time, during the use, heat exchange tube 2 and tube sheet installation, operating personnel installs flexible fixed establishment 4 in the indirect heating equipment body 1, and make flexible fixed establishment 4 be located the backup pad 3 on the rightmost side, operating personnel adjusts flexible fixed establishment 4, adjust the elasticity between flexible fixed establishment 4 and the backup pad 3 promptly, make flexible fixed establishment 4 compress tightly backup pad 3 downwards after adjusting, so that eliminate the vibrations of heat exchange tube 2, avoid the vibrations of heat exchange tube 2 to transmit other positions and cause the harm. The utility model discloses simple structure, the material is ordinary, the process is few and simple manufacture, has practiced thrift a large amount of costs, has shortened the parts machining cycle. The installation adjustment is convenient, can adjust to compress tightly the piece so that compress tightly on the piece presses to the backup pad, and application scope is wide, improves the practicality. The utility model discloses increased flexible fixed establishment at the U type section of heat exchange tube, alleviateed the vibration of the latter half of tube bank, the effectual hidden danger that the heat exchange tube vibrations brought for other equipment that has reduced, long service life has reduced the use cost of enterprise.
The flexible fixing mechanism 4 comprises a pressing piece 5, a bolt 6, a connecting piece 7 and an adjusting nut 8, the connecting piece 7 is fixedly installed on the front side and the rear side of the right portion in the heat exchange equipment body 1 respectively, the bolt 6 is arranged on the connecting piece 7, the adjusting nut 8 is installed on the bolt 6 in a threaded mode, the adjusting nut 8 is located below the connecting piece 7, and the pressing piece 5 is fixedly installed at the upper end of the bolt 6 jointly. Operating personnel rotates adjusting nut 8, adjusting nut 8 reciprocates along bolt 6, change the surplus that bolt 6 is located 7 upsides of connecting piece, and then change the elasticity that compresses tightly between 5 and the backup pad 3, so that compress tightly backup pad 3 downwards according to the in-service use condition, and then eliminate heat exchange tube 2's vibration, avoid heat exchange tube 2's vibrations to transmit other positions and cause the harm, easy operation, high efficiency, satisfy the in-service use demand, the practicality is strong.
Wherein, the pressing piece 5 is made of a steel belt. The steel band can satisfy the user demand, and product quality is good, long service life.
When the flexible fixing mechanism is used, the size of the pressing piece 5 is important, if delta is too large and R is too small, the heat exchange tube 2 hardly generates vibration at the fixing position of the flexible fixing mechanism 4, and the vibration is transmitted to other weak links of the heat exchange tube 2 to cause serious local deformation; if delta is too small and R is too large, the flexible fixing mechanism 4 cannot reduce the vibration of the heat exchange tube 2, the pressing piece 5 is made of a steel strip, delta of the steel strip is 20mm, and R of the steel strip and the central point of the supporting plate 3 is 845 mm. The heat exchange pipe has the advantages that the heat exchange pipe can reduce vibration due to proper size, local deformation of other weak parts caused by vibration conduction can be avoided, and the use reliability is high.
The connecting piece 7 comprises a connecting block 7-1, a connecting plate 7-2 and a through hole 9, the connecting plate 7-2 is fixedly installed on the bottom surface of the connecting block 7-1, the through hole 9 is formed in the connecting plate 7-2, a bolt 6 is arranged in the through hole 9, the bolt 6 can move along the through hole 9, and the diameter of the through hole 9 is larger than that of the bolt 6 and smaller than that of the adjusting nut 8. Adjusting nut 8 can change the surplus that bolt 6 is located 7 upsides of connecting piece, can also play the fixed action to the user state after adjusting, improves the convenience of using.
For the stability and the permanence of equipment use, the fixed connection mode of connecting piece 7 and indirect heating equipment body 1 inner wall adopt the welding, the fixed connection mode of steel band and bolt 6 is the welding. By adopting the welding mode, the welding seam has good forming, less defects, high welding seam quality and attractive appearance.
The supporting plate 3 is perpendicular to the heat exchange tube 2, and the supporting plate 3 is provided with a positioning hole through which the heat exchange tube 2 passes. The supporting plate 3 can ensure that the heat exchange tubes 2 are firmly installed and do not shake, avoid collision between the heat exchange tubes 2 or other components, and has long service life and good heat exchange effect.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. Transform middling pressure exhaust heat boiler reforms transform back structure, its characterized in that: the heat exchange device comprises a heat exchange device body (1), wherein a tube plate and a U-shaped heat exchange tube (2) are arranged in the heat exchange device body (1), one end of a straight line section of the heat exchange tube (2) is connected with the end part of the tube plate, a supporting plate (3) is arranged on the heat exchange tube (2), and the U-shaped section of the heat exchange tube (2) is in contact fit with the corresponding supporting plate (3) through a flexible fixing mechanism (4) at the joint of the straight line section.
2. The converted medium pressure waste heat boiler after-conversion structure of claim 1, wherein: the flexible fixing mechanism (4) comprises a pressing piece (5), a bolt (6), a connecting piece (7) and an adjusting nut (8), the connecting piece (7) is fixedly installed on the front side and the rear side of the right portion in the heat exchange equipment body (1) respectively, the bolt (6) is arranged on the connecting piece (7), the adjusting nut (8) is installed on the bolt (6) in a threaded mode, the adjusting nut (8) is located below the connecting piece (7), and the upper end of the bolt (6) is fixedly installed together to be pressed into the pressing piece (5).
3. The converted medium pressure waste heat boiler after-conversion structure of claim 2, wherein: the pressing piece (5) is made of a steel belt.
4. The converted medium pressure waste heat boiler after-conversion structure of claim 3, wherein: the delta of the steel strip is 20mm, and the R of the central point of the steel strip and the supporting plate (3) is 845 mm.
5. The converted medium pressure waste heat boiler after-conversion structure of claim 2, wherein: the connecting piece (7) comprises a connecting block (7-1), a connecting plate (7-2) and a through hole (9), the connecting plate (7-2) is fixedly installed on the bottom surface of the connecting block (7-1), the through hole (9) is formed in the connecting plate (7-2), a bolt (6) is arranged in the through hole (9), the bolt (6) can move along the through hole (9), and the diameter of the through hole (9) is larger than that of the bolt (6) and smaller than that of the adjusting nut (8).
6. The converted medium pressure waste heat boiler after-conversion structure according to claim 2, 3 or 4, wherein: the connecting piece (7) is fixedly connected with the inner wall of the heat exchange equipment body (1) by welding, and the steel belt is fixedly connected with the bolt (6) by welding.
7. The converted medium pressure waste heat boiler after-conversion structure of claim 1, wherein: the supporting plate (3) is vertical to the heat exchange tube (2), and the supporting plate (3) is provided with a positioning hole through which the heat exchange tube (2) passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067793.3U CN210638005U (en) | 2019-07-08 | 2019-07-08 | Improved structure of conversion medium-pressure waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067793.3U CN210638005U (en) | 2019-07-08 | 2019-07-08 | Improved structure of conversion medium-pressure waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638005U true CN210638005U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921067793.3U Active CN210638005U (en) | 2019-07-08 | 2019-07-08 | Improved structure of conversion medium-pressure waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638005U (en) |
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2019
- 2019-07-08 CN CN201921067793.3U patent/CN210638005U/en active Active
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