CN211903882U - Split replaceable internal threaded pipe for pressure boiler - Google Patents
Split replaceable internal threaded pipe for pressure boiler Download PDFInfo
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- CN211903882U CN211903882U CN202020328242.4U CN202020328242U CN211903882U CN 211903882 U CN211903882 U CN 211903882U CN 202020328242 U CN202020328242 U CN 202020328242U CN 211903882 U CN211903882 U CN 211903882U
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- inner pipe
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- pressure boiler
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Abstract
The utility model relates to a removable formula internal thread pipe of components of a whole that can function independently for high pressure boiler sets up two at least thread teeth on the inner tube body inner wall, and after the medium got into the internal thread pipe, along the thread tooth flow, two at least thread teeth along the central axis circumference equipartition of inner tube body increased the internal surface area of internal thread pipe to increase the area of contact of medium and internal thread pipe, thereby improved heat exchange efficiency; an outer pipe body is coaxially sleeved outside the inner pipe body, a limiting opening is formed in one end of the inner pipe body, a limiting block matched with the limiting opening is fixedly installed at one end of the outer pipe body, the limiting block is clamped in the limiting opening, and the limiting block can limit relative rotation between the inner pipe body and the outer pipe body, so that the inner pipe body and the outer pipe body are fixed more firmly; after the thread teeth in the inner pipe body are damaged, the fixing ring can be detached from the inner pipe body, the connecting ring is detached from the mounting ring along with the fixing ring, the limiting block is pushed out of the limiting opening, the inner pipe body is separated from the outer pipe body, the inner pipe body can be replaced, and cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the internal thread pipe technique and specifically relates to a removable formula internal thread pipe of components of a whole that can function independently for high pressure boiler is related to.
Background
The medium is vaporized by continuously absorbing the surrounding heat in the internal thread pipe to carry out refrigeration, and the refrigeration quantity is in linear relation with the material characteristic, the pipe internal structure and the internal surface area of the heat transfer pipe. When the heat transfer pipe has certain material characteristics, i.e. the heat conductivity is not changed, the key to improve the refrigerating capacity of the heat transfer pipe is to increase the internal surface area of the heat transfer pipe and adopt a pipe structure which reduces laminar flow and increases turbulent flow.
At present, most of heat transfer pipes used on a high-pressure boiler are single-tooth internal thread copper pipes, the shape of internal threads of the structure is single, and the heat exchange efficiency is not high; and the medium easily erodes or corrodes the thread tooth in the internal thread pipe, after the thread tooth damages, need change whole internal thread pipe, and the material waste is serious, has increased the cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the problems that the shape of an internal thread in a traditional internal thread pipe is single, the heat exchange efficiency is not high, the whole internal thread pipe needs to be replaced after a thread tooth is damaged, and the material waste is serious, the split replaceable internal thread pipe for the high-pressure boiler is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a removable formula internal thread pipe of components of a whole that can function independently for high pressure boiler, includes interior body, be provided with the thread tooth on the interior body inner wall, the thread tooth is arranged with the mode that the spiral gos forward along interior body inner wall, the thread tooth has two at least, two at least the central axis circumference equipartition of body in the thread tooth edge, the outer coaxial cover of interior body is equipped with outer body, spacing opening has been seted up to the one end of interior body, and solid fixed ring is installed to other end screw thread, gu go up coaxial fixed mounting of fixed ring has the go-between, fixed mounting has in spacing opening complex stopper on the inner wall of outer body one end, the coaxial fixed mounting of the other end has the collar, the stopper card is established in spacing.
The split replaceable internal thread pipe for the high-pressure boiler is provided with at least two thread teeth on the inner wall of the inner pipe body, after a medium enters the internal thread pipe, the medium flows along the thread teeth, and the at least two thread teeth are uniformly distributed along the circumference of the central axis of the inner pipe body, so that the internal surface area of the internal thread pipe is increased, the contact area between the medium and the internal thread pipe is increased, and the heat exchange efficiency is improved; the outer pipe body is coaxially sleeved outside the inner pipe body, the inner pipe body and the outer pipe body are detachably connected through the fixing ring, the connecting ring and the mounting ring, one end of the inner pipe body is provided with a limiting opening, one end of the outer pipe body is fixedly provided with a limiting block matched with the limiting opening, the limiting block is clamped in the limiting opening and can limit relative rotation between the inner pipe body and the outer pipe body, and the inner pipe body and the outer pipe body are fixed more firmly; after the thread teeth in the inner pipe body are damaged, the fixing ring can be detached from the inner pipe body, the connecting ring is detached from the mounting ring along with the fixing ring, the limiting block is pushed out of the limiting opening, the inner pipe body is separated from the outer pipe body, the inner pipe body can be replaced, materials are saved, and cost is reduced.
In order to not destroy the integrity of the thread teeth on the inner wall of the inner pipe body, the limiting block is also provided with thread teeth matched with the thread teeth on the inner wall of the inner pipe body.
Further, the fixing ring and the connecting ring are of an integrated manufacturing structure.
Further, the outer tube body and the mounting ring are of an integrally manufactured structure.
Further, the outer diameters of the fixing ring, the connecting ring and the outer tube body are equal.
The utility model has the advantages that the detachable replaceable internal thread pipe for the high-pressure boiler is provided with at least two thread teeth on the inner wall of the inner pipe body, after entering the internal thread pipe, the medium flows along the thread teeth, and the at least two thread teeth are circumferentially and uniformly distributed along the central axis of the inner pipe body, thereby increasing the internal surface area of the internal thread pipe, increasing the contact area between the medium and the internal thread pipe and improving the heat exchange efficiency; the outer pipe body is coaxially sleeved outside the inner pipe body, the inner pipe body and the outer pipe body are detachably connected through the fixing ring, the connecting ring and the mounting ring, one end of the inner pipe body is provided with a limiting opening, one end of the outer pipe body is fixedly provided with a limiting block matched with the limiting opening, the limiting block is clamped in the limiting opening and can limit relative rotation between the inner pipe body and the outer pipe body, and the inner pipe body and the outer pipe body are fixed more firmly; after the thread teeth in the inner pipe body are damaged, the fixing ring can be detached from the inner pipe body, the connecting ring is detached from the mounting ring along with the fixing ring, the limiting block is pushed out of the limiting opening, the inner pipe body is separated from the outer pipe body, the inner pipe body can be replaced, materials are saved, and cost is reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a three-dimensional schematic view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention;
fig. 4 is a three-dimensional schematic view of an inner tube body according to the present invention;
FIG. 5 is a three-dimensional schematic view of the middle and outer tubular bodies of the present invention;
fig. 6 is a three-dimensional assembly diagram of the fixing ring and the connecting ring according to the present invention.
In the figure: 1. the inner pipe body comprises 1-1 parts of limiting openings, 2 parts of thread teeth, 3 parts of an outer pipe body, 4 parts of fixing rings, 5 parts of connecting rings, 6 parts of limiting blocks and 7 parts of mounting rings.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
A divided replaceable internally threaded tube for a high pressure boiler, as shown in fig. 1 and 2, comprises an inner tube body 1, the inner wall of the inner tube body 1 is provided with thread teeth 2, the thread teeth 2 are arranged along the inner wall of the inner tube body 1 in a spiral advancing mode, the thread teeth 2 are provided with four, as shown in fig. 4, four threads 2 are uniformly distributed along the circumference of the central axis of the inner tube 1, an outer tube 3 is coaxially sleeved outside the inner tube 1, one end of the inner tube body 1 is provided with a limit opening 1-1, the other end is provided with a fixing ring 4 through threads, as shown in fig. 5, the outer wall of the inner tube 1 is provided with external threads, the inner wall of the fixing ring 4 is provided with internal threads matched with the external threads of the inner tube 1, the fixing ring 4 is coaxially and fixedly provided with a connecting ring 5, and the fixing ring 4 and the connecting ring 5 are of an integrated manufacturing structure as shown in fig. 6; a limiting block 6 matched with the limiting opening 1-1 is fixedly arranged on the inner wall of one end of the outer pipe body 3, a mounting ring 7 is coaxially and fixedly arranged at the other end of the outer pipe body, the outer pipe body 3 and the mounting ring 7 are of an integrally manufactured structure, the limiting block 6 is clamped in the limiting opening 1-1, as shown in figure 3, thread teeth 2 matched with the thread teeth 2 on the inner wall of the inner pipe body 1 are also arranged on the limiting block 6, when the limiting opening 1-1 is formed on the inner pipe body 1, a rectangular block can be cut off from the inner pipe body 1 by using line cutting, then the rectangular block is welded at the corresponding position of the outer pipe body 3 as the limiting block 6, the connecting ring 5 is in threaded connection with the mounting ring 7, an inner thread is arranged on the inner wall of the connecting ring 5, an outer thread matched with the inner thread on the connecting ring 5 is arranged on the outer wall of the mounting ring, the thread turning direction, the thread pitch and the number of turns are equal, and the outer diameters of the fixing ring 4, the connecting ring 5 and the outer pipe body 3 are equal.
The utility model discloses a removable formula internal thread pipe of components of a whole that can function independently for high pressure boiler sets up two at least thread teeth 2 on the inner wall of inner tube body 1, and after the medium got into the internal thread pipe, along thread teeth 2 flow, two at least thread teeth 2 along the central axis circumference equipartition of inner tube body 1, increased the internal surface area of internal thread pipe to the area of contact of medium and internal thread pipe has been increased, thereby improved heat exchange efficiency; an outer pipe body 3 is coaxially sleeved outside an inner pipe body 1, the inner pipe body 1 and the outer pipe body 3 are detachably connected through a fixing ring 4, a connecting ring 5 and a mounting ring 7, a limiting opening 1-1 is formed in one end of the inner pipe body 1, a limiting block 6 matched with the limiting opening 1-1 is fixedly mounted at one end of the outer pipe body 3, the limiting block 6 is clamped in the limiting opening 1-1, and the limiting block 6 can limit relative rotation between the inner pipe body 1 and the outer pipe body 3, so that the inner pipe body 1 and the outer pipe body 3 are fixed more firmly; after the thread teeth 2 in the inner tube body 1 are damaged, the fixing ring 4 can be detached from the inner tube body 1, the connecting ring 5 is also detached from the mounting ring 7 along with the fixing ring 4, the limiting block 6 is pushed out of the limiting opening 1-1, the inner tube body 1 is separated from the outer tube body 3, the inner tube body 1 can be replaced, materials are saved, and cost is reduced.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a removable formula internal thread pipe of components of a whole that can function independently for high pressure boiler which characterized in that: the inner pipe comprises an inner pipe body (1), wherein thread teeth (2) are arranged on the inner wall of the inner pipe body (1), the thread teeth (2) are arranged along the inner wall of the inner pipe body (1) in a spiral advancing mode, at least two thread teeth (2) are arranged, at least two thread teeth (2) are uniformly distributed along the circumference of the central axis of the inner pipe body (1), an outer pipe body (3) is coaxially sleeved outside the inner pipe body (1), a limiting opening (1-1) is formed in one end of the inner pipe body (1), a fixing ring (4) is installed at the other end of the inner pipe body in a threaded mode, a connecting ring (5) is coaxially and fixedly installed on the fixing ring (4), a limiting block (6) matched with the limiting opening (1-1) is fixedly installed on the inner wall of one end of the outer pipe body (3), a mounting ring (7) is coaxially and fixedly installed at the other end of, the connecting ring (5) is in threaded connection with the mounting ring (7).
2. The split replaceable internally threaded tube for a high-pressure boiler according to claim 1, wherein: the limiting block (6) is also provided with thread teeth (2) matched with the thread teeth (2) on the inner wall of the inner pipe body (1).
3. The split replaceable internally threaded tube for a high-pressure boiler according to claim 1, wherein: the fixing ring (4) and the connecting ring (5) are of an integrated manufacturing structure.
4. The split replaceable internally threaded tube for a high-pressure boiler according to claim 1, wherein: the outer tube body (3) and the mounting ring (7) are of an integrated manufacturing structure.
5. The split replaceable internally threaded tube for a high-pressure boiler according to claim 1, wherein: the outer diameters of the fixing ring (4), the connecting ring (5) and the outer pipe body (3) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328242.4U CN211903882U (en) | 2020-03-16 | 2020-03-16 | Split replaceable internal threaded pipe for pressure boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328242.4U CN211903882U (en) | 2020-03-16 | 2020-03-16 | Split replaceable internal threaded pipe for pressure boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211903882U true CN211903882U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020328242.4U Active CN211903882U (en) | 2020-03-16 | 2020-03-16 | Split replaceable internal threaded pipe for pressure boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211903882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984282A (en) * | 2021-04-26 | 2021-06-18 | 胜利油田胜机石油装备有限公司 | Thermal insulation pipeline |
-
2020
- 2020-03-16 CN CN202020328242.4U patent/CN211903882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984282A (en) * | 2021-04-26 | 2021-06-18 | 胜利油田胜机石油装备有限公司 | Thermal insulation pipeline |
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