CN213811918U - Sealing sleeve for double-tube-plate silicon carbide heat exchanger - Google Patents
Sealing sleeve for double-tube-plate silicon carbide heat exchanger Download PDFInfo
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- CN213811918U CN213811918U CN202022529265.4U CN202022529265U CN213811918U CN 213811918 U CN213811918 U CN 213811918U CN 202022529265 U CN202022529265 U CN 202022529265U CN 213811918 U CN213811918 U CN 213811918U
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- tube sheet
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Abstract
The utility model relates to a double tube sheet carborundum seal sleeve for heat exchanger, including first tube sheet and second tube sheet, be equipped with middle compound tube sheet between first tube sheet and the second tube sheet, the centre of middle compound tube sheet is equipped with first through-hole, be equipped with a plurality of seal sleeve in the first through-hole, the tow sides of middle compound tube sheet all are equipped with weeping groove and sealing member draw-in groove, the sealing member draw-in groove is located the periphery of weeping groove, weeping groove is located the periphery of first through-hole, weeping groove's one end is connecting weeping detection interface; the sealing sleeve comprises a sealing sleeve and sealing ring gaskets, the sealing ring gaskets are arranged in a circular truncated cone shape, the sealing ring gaskets are arranged at the upper end and the lower end of the sealing sleeve, the inner walls of the upper end surface and the lower end surface of the sealing sleeve are arranged in inclined planes, and the inclined planes are matched with the sealing ring gaskets; the utility model discloses simple structure, the modern design, the suitability is high, and processes convenient with low costs.
Description
Technical Field
The utility model particularly relates to a double-tubesheet carborundum seal sleeve for heat exchanger.
Background
The heat exchanger is equipment for transferring partial heat of hot fluid to cold fluid, and is also called as a heat exchanger; the heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and is commonly used in the environment of acidic liquid, so that the sealing requirement on the heat exchanger is very high, and most of the intermediate composite tube plates of the common double-tube-plate heat exchanger in the world at present are provided with a plurality of pipeline through holes on the surface of the tube plate and are provided with sealing elements for reinforcement and sealing;
with such a structural design, there are usually some drawbacks: 1. the existing intermediate composite tube plate needs to be provided with matched pipeline through holes according to the number of heat exchange tubes in the heat exchanger, so that the adaptability is low, and the processing is complex and the cost is high; 2. the installation of compound tube sheet in middle of current is dismantled inconveniently, is unfavorable for the staff to overhaul, if take place the weeping just need whole compound tube sheet in middle of dismantle to check the sealing member in the pipeline through-hole one by one, replace again, waste time and energy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-tubesheet carborundum seal sleeve for heat exchanger to solve current technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a sealing sleeve for a double-tube-plate silicon carbide heat exchanger comprises a first tube plate and a second tube plate, wherein an intermediate composite tube plate is arranged between the first tube plate and the second tube plate, a first through hole is formed in the middle of the intermediate composite tube plate, a plurality of sealing sleeves are arranged in the first through hole, a liquid leakage groove and a sealing piece clamping groove are formed in the front face and the back face of the intermediate composite tube plate, the sealing piece clamping groove is located on the periphery of the liquid leakage groove, the liquid leakage groove is located on the periphery of the first through hole, and one end of the liquid leakage groove is connected with a liquid leakage detection interface;
the sealing sleeve comprises a sealing sleeve and a sealing gasket, the sealing gasket is arranged in a round table shape, the sealing gasket is arranged at the upper end and the lower end of the sealing sleeve, the inner walls of the upper end face and the lower end face of the sealing sleeve are arranged in inclined planes, and the inclined planes are matched with the sealing gasket.
The utility model discloses a further improvement lies in: the leakage detection interface is connected with a detection device, and a sealing ring is arranged in the clamping groove of the sealing element.
The utility model discloses a further improvement lies in: the first tube plate, the second tube plate and the middle composite tube plate are tightly connected with each other through bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses simple structure, the modern design, the suitability is high, and processing is convenient, and is with low costs.
2. The specially designed sealing sleeve can select to apply a plurality of sealing sleeves according to the specific number of the heat exchange tubes in the heat exchanger, has high adaptability, simple structure and easy processing, greatly reduces the production cost, and only needs to remove the damaged sealing sleeve and then replace the damaged sealing sleeve when leakage occurs and the sealing sleeve needs to be maintained and replaced, thereby being convenient and quick;
3. the middle composite tube plate in the utility model plays a transition role, is mainly used for protecting the sealing sleeve, and can effectively prevent the sealing sleeve from being damaged due to overlarge relative acting force when the first tube plate and the second tube plate are connected and fastened;
4. the utility model provides a specially be equipped with the weeping groove on the compound tube sheet of centre, when taking place the weeping, liquid can be in the same place flow in the weeping groove, and detection device reports to the police after detecting, can in time remind the staff to salvage, specially is equipped with the sealing member draw-in groove, and the joint sealing washer in the sealing member draw-in groove, when taking place the weeping, the sealing washer can prevent that the weeping from flowing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the intermediate composite tube sheet of the present invention;
fig. 3 is a schematic structural view of the sealing sleeve of the present invention;
FIG. 4 is an enlarged schematic view of the structure of part A of the present invention;
fig. 5 is a schematic view of the overall exploded structure of the present invention.
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.
The utility model provides a technical scheme: a sealing sleeve for a double-tube-plate silicon carbide heat exchanger comprises a first tube plate 1 and a second tube plate 2, wherein an intermediate composite tube plate 3 is arranged between the first tube plate 1 and the second tube plate 2, a first through hole 31 is formed in the middle of the intermediate composite tube plate 3, a plurality of sealing sleeves 4 are arranged in the first through hole 31, liquid leakage grooves 32 and sealing part clamping grooves 33 are formed in the front and back surfaces of the intermediate composite tube plate 3, the sealing part clamping grooves 33 are located on the periphery of the liquid leakage grooves 32, the liquid leakage grooves 32 are located on the periphery of the first through hole 31, one ends of the liquid leakage grooves 32 are connected with a liquid leakage detection interface 34, and when liquid leakage occurs, liquid flows into the liquid leakage grooves along the same direction and then flows into the liquid leakage detection interface through the liquid leakage grooves;
the sealing sleeve 4 comprises a sealing sleeve 41 and a sealing gasket 42, the sealing gasket 42 is in a round table shape, the sealing gasket 42 is arranged at the upper end and the lower end of the sealing sleeve 41, the upper end face of the sealing sleeve 41 and the inner wall of the lower end face of the sealing sleeve are in inclined plane arrangement, the inclined plane is matched with the sealing gasket 42, the sealing sleeve is sleeved on a heat exchange tube of the heat exchanger, the two ends of the sealing sleeve correspond to a first tube plate and a second tube plate respectively, when the first tube plate and the second tube plate are connected and fastened, the sealing gasket is tightly clamped into the sealing sleeve under the action of relative force, the inclined plane of the inner wall of the sleeve is tightly attached to the sealing sleeve, meanwhile, a middle composite tube plate between the first tube plate and the second tube plate plays a transition role, the sealing sleeve is mainly used for protecting the sealing sleeve, the first tube plate and the second tube plate can be effectively prevented from being connected and fastened, the relative action force is too large, and the sealing sleeve is damaged.
In this embodiment, detection device is being connected to weeping detection interface 34, and when the weeping takes place, liquid can flow into the weeping inslot along with the situation, and detection device reports to the police after detecting, can in time remind the staff to salvage and be equipped with the sealing washer in sealing member draw-in groove 33, and when the weeping takes place, the sealing washer can prevent that the weeping from flowing out.
In the embodiment, the first tube plate 1, the second tube plate 2 and the intermediate composite tube plate 3 are tightly connected with each other through bolts 5.
In summary, the utility model has the advantages of simple structure, novel design, high adaptability, convenient processing and low cost; particularly, when leakage occurs and the sealing sleeve needs to be maintained and replaced, only the damaged sealing sleeve needs to be detached and then replaced, so that the sealing device is convenient and quick, and the replacement time is greatly saved.
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 (3)
1. The utility model provides a double tubesheet carborundum seal cartridge for heat exchanger, includes first tubesheet (1) and second tubesheet (2), its characterized in that: an intermediate composite tube plate (3) is arranged between the first tube plate (1) and the second tube plate (2), a first through hole (31) is formed in the middle of the intermediate composite tube plate (3), a plurality of sealing sleeves (4) are arranged in the first through hole (31), liquid leakage grooves (32) and sealing element clamping grooves (33) are formed in the front face and the back face of the intermediate composite tube plate (3), the sealing element clamping grooves (33) are located on the periphery of the liquid leakage grooves (32), the liquid leakage grooves (32) are located on the periphery of the first through hole (31), and one end of each liquid leakage groove (32) is connected with a liquid leakage detection interface (34);
sealing sleeve (4) are including sealing sleeve (41) and sealing washer pad (42), sealing washer pad (42) are round platform form setting, sealing washer pad (42) set up in the upper and lower both ends of sealing sleeve (41), the inner wall of sealing sleeve (41) up end and terminal surface down is the inclined plane setting, inclined plane and sealing washer pad (42) phase-match.
2. The sealing sleeve for the double-tube plate silicon carbide heat exchanger as claimed in claim 1, wherein: the leakage detection interface (34) is connected with a detection device, and a sealing ring is arranged in the sealing piece clamping groove (33).
3. The sealing sleeve for the double-tube plate silicon carbide heat exchanger as claimed in claim 1, wherein: the first tube plate (1), the second tube plate (2) and the middle composite tube plate (3) are tightly connected with each other through bolts (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529265.4U CN213811918U (en) | 2020-11-05 | 2020-11-05 | Sealing sleeve for double-tube-plate silicon carbide heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529265.4U CN213811918U (en) | 2020-11-05 | 2020-11-05 | Sealing sleeve for double-tube-plate silicon carbide heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213811918U true CN213811918U (en) | 2021-07-27 |
Family
ID=76964700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529265.4U Active CN213811918U (en) | 2020-11-05 | 2020-11-05 | Sealing sleeve for double-tube-plate silicon carbide heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213811918U (en) |
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2020
- 2020-11-05 CN CN202022529265.4U patent/CN213811918U/en active Active
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