CN221198138U - Heat exchanger for styrene production - Google Patents
Heat exchanger for styrene production Download PDFInfo
- Publication number
- CN221198138U CN221198138U CN202323054657.XU CN202323054657U CN221198138U CN 221198138 U CN221198138 U CN 221198138U CN 202323054657 U CN202323054657 U CN 202323054657U CN 221198138 U CN221198138 U CN 221198138U
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- CN
- China
- Prior art keywords
- heat exchanger
- manhole
- connecting rod
- seat
- manhole cover
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a heat exchanger for styrene production, which comprises a heat exchanger body, wherein a manhole device is arranged at the top of the heat exchanger body, the manhole device comprises a manhole seat, a manhole cover and a plurality of groups of connecting components, the connecting components are uniformly arranged along the circumference of the manhole cover, each connecting component comprises a fixing piece, a connecting rod and a supporting piece, each fixing piece comprises a first connecting part and a second connecting part, each connecting rod penetrates through the first connecting part on the fixing piece and is in sliding connection with the first connecting part, a limiting block is fixedly connected to the top end of each connecting rod, a spring is sleeved on each connecting rod, the supporting piece is fixedly arranged on the side surface of the manhole seat, the bottom end of each connecting rod is rotatably arranged on the supporting piece, one end of each bolt is abutted to each connecting rod, a fixing rod is fixedly connected to one end of each connecting rod, which is far away from each limiting block, and each rotating part can rotate along each fixing rod.
Description
Technical Field
The utility model belongs to the technical field of styrene production, and particularly relates to a heat exchanger for styrene production.
Background
A heat exchanger is a device that transfers a portion of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, so that the heat exchanger has wide application range.
During styrene production processes, the heat exchanger is often used as a condenser or reboiler. In order to facilitate regular maintenance or fault handling inside the heat exchanger, a manhole device is generally arranged on the heat exchanger, workers can conveniently enter the heat exchanger to operate through a manhole, a manhole cover in the existing heat exchanger is generally connected with a manhole seat through bolts or pins, and the bolts or pins are detached during maintenance or fault handling, but due to the fact that the number of the bolts or pins is large, the situation of loss is easy to occur after the bolts or pins are detached, and the heat exchanger is inconvenient to use. Accordingly, there are still shortcomings and drawbacks in the prior art.
Disclosure of utility model
The utility model aims to provide a heat exchanger for styrene production, which solves the problems that a manhole cover is generally connected with a manhole seat through a bolt or a pin shaft in the existing heat exchanger, the bolt or the pin shaft is easy to lose after being disassembled, and the use is relatively inconvenient.
In order to solve the problems, the utility model adopts the following technical scheme:
The utility model provides a heat exchanger is used in styrene production, which comprises a heat exchanger body, the top of heat exchanger body is provided with manhole device, manhole device includes manhole seat, manhole cover and multiunit coupling assembling, the fixed setting of manhole seat is in the top of heat exchanger body, be provided with on the manhole seat and run through the manhole of manhole seat, the manhole with the inside intercommunication of heat exchanger body, the manhole cover sets up the top of manhole seat, multiunit coupling assembling is followed the circumference of manhole cover evenly sets up, coupling assembling includes mounting, connecting rod and support piece, the mounting includes first connecting portion and second connecting portion, the connecting rod passes first connecting portion and with first connecting portion sliding connection on the mounting, the top fixedly connected with stopper of connecting rod, the cover is equipped with the spring on the connecting rod, the spring is located between the stopper with first connecting portion, the support piece is fixed to be provided with the side of seat, the bottom rotatable setting of connecting rod is in on the support piece, the first connecting portion of mounting is followed the circumference of manhole cover evenly sets up, connecting rod and support piece are in the same place through the threaded hole, the threaded hole is kept away from to the fixed connection of connecting rod, the threaded hole is fixed with the threaded hole is fixed to the threaded hole.
Further, a sealing ring is arranged at the bottom of the manhole cover, a containing groove is arranged at the top of the manhole seat, and the containing groove on the manhole seat corresponds to the sealing ring on the manhole cover.
Further, one end of the spring is fixedly connected to the bottom of the limiting block.
Further, the top of manhole cover is provided with the portion of supporting, be provided with first face of supporting on the portion of supporting, be provided with the second face of supporting on the second connecting portion, the second face of supporting with first face parallel arrangement that supports.
Further, one side of the heat exchanger body is provided with a feeding pipe, and the other side of the heat exchanger body is provided with a discharging pipe.
Further, a grip is further arranged at the top of the manhole cover.
Further, the number of the connection assemblies is 4 groups.
Further, the bottom of heat exchanger body is provided with the landing leg, the bottom of landing leg is provided with the support.
By adopting the technical scheme, the utility model has the beneficial effects that:
The heat exchanger comprises a heat exchanger body, wherein a manhole device is arranged at the top of the heat exchanger body, the manhole device comprises a manhole seat, a manhole cover and a plurality of groups of connecting components, the connecting components are uniformly arranged along the circumference of the manhole cover, each connecting component comprises a fixing piece, a connecting rod and a supporting piece, each fixing piece comprises a first connecting part and a second connecting part, each connecting rod penetrates through the first connecting part on the corresponding fixing piece and is in sliding connection with the corresponding first connecting part, a limiting block is fixedly connected to the top end of each connecting rod, a spring is sleeved on each connecting rod, the supporting piece is fixedly arranged on the side surface of the manhole seat, the bottom end of each connecting rod is rotatably arranged on the corresponding supporting piece, one end of each bolt is abutted against the corresponding connecting rod, a fixing rod is fixedly connected to the corresponding supporting piece, and one end of each connecting rod, which is far away from the limiting block, is fixedly connected with a rotating part and can rotate along the corresponding fixing rod. The plurality of groups of connecting components in the manhole device are integrally arranged on the manhole seat, and each component in the connecting components does not need to be detached independently when not in use, so that each component in the connecting components is not easy to lose, and the use is affected.
Drawings
Fig. 1 is a schematic view of the overall structure of the heat exchanger of the present utility model.
Fig. 2 is a schematic structural view of a man-hole device in the heat exchanger shown in fig. 1.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a partial cross-sectional view of the manhole device of fig. 2 (with the coupling assembly in use).
Fig. 5 is a partial cross-sectional view of the manhole device of fig. 2 (when the coupling assembly is not in use).
Reference numerals: 10. a heat exchanger body; 20. a feed pipe; 30. a discharge pipe; 40. a support leg; 41. a support; 50. a manhole device; 51. a manhole seat; 511. a manhole; 512. a receiving groove; 52. a manhole cover; 521. a seal ring; 522. a holding portion; 5221. a first abutting surface; 523. a grip; 53. a connection assembly; 531. a fixing member; 5311. a first connection portion; 5311a, bolts; 5312. a second connecting portion; 5312a, a second abutment surface; 5313. an accommodation space; 532. a connecting rod; 5321. a limiting block; 5322. a spring; 5323. a rotating part; 533. a support; 5331. and a fixing rod.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram illustrating the basic of the utility model only by way of illustration, and therefore shows only the constitution related to the utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the present utility model provides a heat exchanger for styrene production, which is used as a condenser or reboiler in styrene production to facilitate the treatment of light components or heavy components generated in styrene rectification, and which is capable of condensing light components generated in styrene rectification to thereby convert light components having a higher temperature into a condensate when used as a condenser, and of providing heat to heavy components generated in styrene rectification to thereby heat heavy components having a higher temperature when used as a reboiler.
As shown in fig. 1, the heat exchanger of the utility model comprises a heat exchanger body 10, wherein one side of the heat exchanger body 10 is provided with a feeding pipe 20 for feeding, the feeding pipe 20 is communicated with the inside of the heat exchanger body 10, the other side of the heat exchanger body 10 is provided with a discharging pipe 30 for discharging, and the discharging pipe 30 is communicated with the inside of the heat exchanger body 10. The bottom of the heat exchanger body 10 is provided with a supporting leg 40, and the bottom of the supporting leg 40 is provided with a support 41. The material can be added into the heat exchanger body 10 through the feeding pipe 20, and the material added into the heat exchanger body 10 can be discharged through the discharging pipe 30 after heat exchange in the heat exchanger body 10, so that heat exchange with the material is realized.
As shown in fig. 1 and 2, the top of the heat exchanger body 10 is provided with a manhole device 50, and the manhole device 50 is provided to facilitate the work of installing, overhauling, maintaining and the like for the heat exchanger by workers. The manhole device 50 includes a manhole cover 51, a manhole cover 52, and a plurality of sets of connection members 53. The manhole seat 51 is fixedly arranged at the top of the heat exchanger body 10, a manhole 511 penetrating through the manhole seat 51 is arranged on the manhole seat 51, the manhole 511 is communicated with the inside of the heat exchanger body 10, and the inside of the heat exchanger body 10 can be communicated with the outside through the manhole 511. The manhole cover 52 is arranged above the manhole seat 51, the manhole cover 52 closes the manhole 511 on the manhole seat 51, and the connection assembly 53 is used for connecting the manhole seat 51 and the manhole cover 52 together.
As shown in fig. 4 and 5, the manhole cover 52 is approximately circular, a sealing ring 521 is provided at the bottom of the manhole cover 52, a receiving groove 512 is provided at the top of the manhole seat 51, the receiving groove 512 on the manhole seat 51 corresponds to the sealing ring 521 on the manhole cover 52, and when the manhole cover 52 is placed on the manhole seat 51, the sealing ring 521 at the bottom of the manhole cover 52 is correspondingly received in the receiving groove 512, so that the sealing performance between the manhole cover 52 and the manhole seat 51 is improved, and the sealing effect is ensured.
The multiple groups of connection assemblies 53 are uniformly arranged along the circumference of the manhole cover 52, and the manhole seat 51 and the manhole cover 52 are connected together through the multiple groups of connection assemblies 53, specifically, in this embodiment, the number of the connection assemblies 53 is 4 groups, the 4 groups of connection assemblies 53 are uniformly arranged along the circumference of the manhole cover 52, and the manhole seat 51 and the manhole cover 52 can be reliably connected through the 4 groups of connection assemblies 53, and in other embodiments, the number of the connection assemblies 53 can be 5 groups, 6 groups, and the like, which is not specifically limited.
As shown in fig. 2, 4 and 5, the connecting assembly 53 includes a fixing member 531, a connecting rod 532 and a supporting member 533, the fixing member 531 includes a first connecting portion 5311 and a second connecting portion 5312, the first connecting portion 5311 and the second connecting portion 5312 are integrally disposed, the connecting rod 532 passes through the fixing member 531 and is slidably connected with the fixing member 531, specifically, the connecting rod 532 passes through the first connecting portion 5311 on the fixing member 531 and is slidably connected with the first connecting portion 5311, and a limiting block 5321 is fixedly connected with a top end of the connecting rod 532, so that the fixing member 531 can be prevented from sliding off from the top end of the connecting rod 532 by disposing the limiting block 5321. The supporting member 533 has a substantially U-shape, the supporting member 533 is fixedly disposed on a side surface of the manhole seat 51, and the bottom end of the connecting rod 532 is rotatably disposed on the supporting member 533.
As shown in fig. 2, 4 and 5, the first connecting portion 5311 of the fixing member 531 is provided with a plurality of threaded holes (not shown), the plurality of threaded holes are uniformly arranged on the first connecting portion 5311 at equal intervals, bolts 5311a are screwed into the threaded holes, and one end of each bolt 5311a abuts against the corresponding connecting rod 532. When the bolt 5311a abuts against the link 532, the link 532 cannot slide along the first connection part 5311, and when the bolt 5311a is screwed to prevent the bolt 5311a from abutting against the link 532, the first connection part 5311 can slide along the link 532.
As shown in fig. 2, 4 and 5, a spring 5322 is sleeved on the connecting rod 532, the spring 5322 is located between the limiting block 5321 and the first connecting portion 5311, specifically, the spring 5322 is located between the bottom of the limiting block 5321 and the top of the first connecting portion 5311, and one end of the spring 5322 is fixedly connected to the bottom of the limiting block 5321.
As shown in fig. 4 and 5, the top of the manhole cover 52 is provided with a holding portion 522, the holding portion 522 is disposed in a ring shape along the top of the manhole cover 52, the section of the holding portion 522 is substantially triangular, and the holding portion 522 is provided with a first holding surface 5221. An accommodating space 5313 with a substantially triangular cross section is formed between the second connection portion 5312 and the first connection portion 5311, a second abutting surface 5312a is formed on the second connection portion 5312, the second abutting surface 5312a is parallel to the first abutting surface 5221, when the manhole cover 52 is connected with the manhole seat 51 through the connection assembly 53, the abutting portion 522 at the top of the manhole cover 52 is accommodated in the accommodating space 5313 between the first connection portion 5311 and the second connection portion 5312 of the fixing piece 531, and the first abutting surface 5221 on the abutting portion 522 and the second abutting surface 5312a on the second connection portion 5312 abut against each other.
As shown in fig. 3, the supporting member 533 is fixedly disposed on a side surface of the manhole seat 51, the supporting member 533 is substantially U-shaped, a fixing rod 5331 is fixedly connected to the supporting member 533, a rotating portion 5323 is fixedly connected to one end of the connecting rod 532, which is far away from the limiting block 5321, a through hole (not shown) is formed in the rotating portion 5323, the rotating portion 5323 is sleeved on the fixing rod 5331 through the through hole, the rotating portion 5323 is in clearance fit with the fixing rod 5331, and the rotating portion 5323 can rotate along the fixing rod 5331, in this embodiment, the rotating portion 5323 is spherical.
Through such arrangement, the connecting rod 532 is connected with the fixing rod 5331, the connecting rod 532 can rotate along the fixing rod 5331, when the connecting assembly 53 is not used, the fixing piece 531 in the connecting assembly 53 is sleeved on the connecting rod 532, the connecting rod 532 is arranged on the supporting piece 533, the supporting piece 533 is fixedly connected on the manhole seat 51, therefore, the connecting assembly 53 is integrally arranged on the manhole seat 51, and each assembly in the connecting assembly 53 is not detached independently, so that each assembly in the connecting assembly 53 is not easy to lose, thereby affecting use.
As shown in fig. 2, 4 and 5, in some embodiments, a grip 523 is further provided on the top of the manhole cover 52, and by this arrangement, a worker can easily place the manhole cover 52 on the manhole seat 51 or remove the manhole cover 52 from the manhole seat 51 by gripping the grip 523.
In the description of the present utility model, it should be noted that, unless the terms "mounted," "connected," and "connected" are to be construed broadly, for example, they may be fixedly connected, or they may be detachably connected or integrally connected, or they may be mechanically connected, or they may be directly connected or indirectly connected through an intermediate medium, or they may be in communication with each other inside two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is to be understood that the terms "length," "width," "upper," "lower," "front-to-back," "left-to-right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model and simplifying the description based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, or be implied.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. The utility model provides a heat exchanger is used in styrene production which characterized in that: including the heat exchanger body, the top of heat exchanger body is provided with manhole device, manhole device includes manhole seat, manhole cover and multiunit coupling assembling, the manhole seat is fixed to be set up the top of heat exchanger body, be provided with on the manhole seat and run through the manhole of manhole seat, the manhole with the inside intercommunication of heat exchanger body, the manhole cover sets up the top of manhole seat, multiunit coupling assembling is followed the circumference of manhole cover evenly sets up, coupling assembling includes mounting, connecting rod and support piece, the mounting includes first connecting portion and second connecting portion, the connecting rod passes first connecting portion on the mounting and with first connecting portion sliding connection, the top fixedly connected with stopper of connecting rod, the cover is equipped with the spring on the connecting rod, the spring is located the stopper with between the first connecting portion, the support piece is fixed to be provided with the side of manhole seat, the bottom rotatable setting of connecting rod is in on the support piece, be provided with a plurality of screw holes in the first connecting portion of mounting the screw hole, a plurality of connecting portions evenly set up, connecting rod and the same distance is kept away from to the connecting rod, the connecting rod can be rotated and the threaded hole is fixed to be connected with the threaded rod through the threaded hole.
2. A heat exchanger for styrene production according to claim 1, wherein: the bottom of manhole cover is provided with the sealing washer, the top of manhole seat is provided with the holding tank, the holding tank on the manhole seat with the sealing washer on the manhole cover corresponds.
3. A heat exchanger for styrene production according to claim 1, wherein: one end of the spring is fixedly connected to the bottom of the limiting block.
4. A heat exchanger for styrene production according to claim 1, wherein: the top of manhole cover is provided with the portion of supporting, be provided with first face of supporting on the portion of supporting, be provided with the second face of supporting on the second connecting portion, the second face of supporting with first face parallel arrangement that supports.
5. A heat exchanger for styrene production according to claim 1, wherein: one side of the heat exchanger body is provided with a feeding pipe, and the other side of the heat exchanger body is provided with a discharging pipe.
6. A heat exchanger for styrene production according to claim 1, wherein: the top of manhole cover still is provided with the tongs.
7. A heat exchanger for styrene production according to claim 1, wherein: the number of the connecting components is 4 groups.
8. A heat exchanger for styrene production according to claim 1, wherein: the bottom of heat exchanger body is provided with the landing leg, the bottom of landing leg is provided with the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323054657.XU CN221198138U (en) | 2023-11-10 | 2023-11-10 | Heat exchanger for styrene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323054657.XU CN221198138U (en) | 2023-11-10 | 2023-11-10 | Heat exchanger for styrene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221198138U true CN221198138U (en) | 2024-06-21 |
Family
ID=91492094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323054657.XU Active CN221198138U (en) | 2023-11-10 | 2023-11-10 | Heat exchanger for styrene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221198138U (en) |
-
2023
- 2023-11-10 CN CN202323054657.XU patent/CN221198138U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |