Pipeline sealing structure for centrifugal steam compression

Abstract

The utility model discloses a centrifugal steam compression pipeline sealing structure which comprises a pipe body, one end of the pipe body is provided with a first connector, the other end of the pipe body is provided with a second connector matched with the first connector, and the outer diameter circle, close to the end, of the first connector is provided with a slope groove. The end of the first connector is provided with an end groove connected to the slope groove, a sealing sleeve gasket is connected to the inner side of the slope groove and the inner side of the end groove in a sleeved and embedded mode, and the inner side of the second connector is provided with a slope abutting edge and an end abutting edge which are matched with the slope groove in inclination and attached to the sealing sleeve gasket after being connected in a sleeved mode. The contact area between the first connector and the second connector can be greatly increased through connection of the abutting edges with the inclined angles and mutual matching of the sealing sleeve gaskets, the sealing effect is obviously improved, meanwhile, the tightness and the anti-seepage effect of the contact face are further improved by arranging a plurality of protruding rings to abut against the sealing sleeve gaskets in an embedded mode, and the service life of the connector is prolonged. And the phenomena of water vapor and water outflowing and overflowing and the like can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of compressor pipelines, in particular to a pipeline sealing structure for centrifugal steam compression. Background Art

[0002] The steam compressor is one of the essential equipment in mechanical vapor recompression technology. The secondary steam generated by the evaporator is compressed by the compressor to increase its pressure and temperature in order to make full use of the latent heat in the secondary steam.

[0003] In actual applications, the compressor transmission path is affected by factors such as high temperature, high pressure and poor sealing connectivity. Unsaturated water vapor and moisture may flow into the gearbox side from the pipe joints of the steam compressor, causing lubricating oil emulsification or corrosion and damage to internal parts of the gearbox, thereby increasing the maintenance and use costs of the compressor equipment. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a pipeline sealing structure for centrifugal steam compression, so as to solve the problem that the existing compressor transmission passage proposed in the above background technology is affected by factors such as high temperature and high pressure and poor sealing connectivity, and unsaturated water vapor and moisture may penetrate into the gear box side from the pipeline joint of the steam compressor, thereby causing emulsification of the lubricating oil or corrosion and damage to the internal parts of the gear box.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal steam compression pipeline sealing structure, comprising a pipe body, one end of the pipe body having a first joint and the other end having a second joint matching the first joint, the first joint having a slope groove on the outer diameter circle close to the end, the end of the first joint having an end groove connected to the slope groove, the slope groove and the end groove inner sides of which are sleeved and embedded with a sealing sleeve, the inner side of the second joint has a slope abutment and an end abutment that match the slope of the slope groove and fit with the sealing sleeve after sleeve connection, and the first joint and the second joint are sleeved with a threaded connection formed by a bolt.

[0007] As a preferred solution of the centrifugal steam compression pipeline sealing structure described in the utility model, the radial circle of the slope abutment edge and the end abutment edge also has a plurality of convex rings;

[0008] Therein, the sloped abutment and the sealing sleeve are matched with each other in an inclined manner, and the end abutment, the end groove and the sealing sleeve are relatively abutted.

[0009] As a preferred solution of the centrifugal steam compression pipeline sealing structure described in the utility model, a plurality of threaded holes 1 are arranged in a circle on the outer side of the first joint, a plurality of threaded holes 2 are arranged in a circle on the outer side of the second joint, and the bolts are threadedly connected to the threaded holes 2 and the threaded holes 1 in sequence from the outside to the inside.

[0010] As a preferred solution of the centrifugal steam compression pipeline sealing structure described in the utility model, an outer end of the threaded hole also has a positioning groove recessed in a circle outside the first joint, and a sealing gasket is placed inside the positioning groove.

[0011] As a preferred solution of the centrifugal steam compression pipeline sealing structure described in the utility model, the two outer ends of the threaded hole also have countersunk grooves recessed on the outer side of the second joint.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the centrifugal steam compression pipeline sealing structure can greatly increase the contact area between the first joint and the second joint by adopting the abutting edge connection with an inclined angle and the mutual cooperation of the sealing sleeve gasket, and the sealing effect is significantly improved. At the same time, by arranging a plurality of convex rings to abut against the sealing sleeve gasket, the tightness and anti-seepage effect of the contact surface are further improved. In summary, the sealing structure can effectively prevent the escape and overflow of water vapor and moisture, which is beneficial to the stable use of the compressor equipment and the reduction of maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall external structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the second distribution structure of the threaded holes of the utility model.

[0016] In the figure: 1, tube body; 2, first joint; 201, slope groove; 2011, end groove; 202, threaded hole one; 2021, positioning groove; 3, second joint; 301, slope abutment; 3011, end abutment; 3012, convex ring; 302, threaded hole two; 3021, countersunk groove; 4, sealing sleeve; 5, bolt; 6, sealing gasket. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0018] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0019] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] Figure 1-Figure 3 The utility model is a centrifugal steam compression pipeline sealing structure of the whole structure schematic diagram, please refer to Figure 1-Figure 3 A centrifugal steam compression pipeline sealing structure of the present embodiment includes a pipe body 1, one end of the pipe body 1 has a first joint 2 and the other end has a second joint 3 matched with the first joint 2, the first joint 2 has a slope groove 201 on the outer diameter circle near the end, the end of the first joint 2 has an end groove 2011 connected to the slope groove 201, the slope groove 201 and the end groove 2011 are sleeved and embedded with a sealing sleeve 4, the inner side of the second joint 3 has a slope abutment 301 and an end abutment 3011 that match the slope of the slope groove 201 and fit with the sealing sleeve 4 after sleeve connection, and the first joint 2 and the second joint 3 are sleeved with a threaded connection formed by a bolt 5.

[0021] The radial circle of the sloped abutment 301 and the end abutment 3011 also has a plurality of convex rings 3012; wherein, the sloped abutment 301 and the sealing sleeve 4 are matched with each other in an inclined surface, and the end abutment 3011, the end groove 2011 and the sealing sleeve 4 are relatively abutted. Here, by adopting such an abutment with an inclined angle and cooperating with the sealing sleeve 4, the contact area between the first joint 2 and the second joint 3 can be greatly increased, and the sealing effect is significantly improved. At the same time, by arranging a plurality of convex rings 3012 to abut against the sealing sleeve 4, the tightness and anti-seepage effect of the contact surface are further improved. In summary, the sealing structure can effectively prevent the escape and overflow of water vapor and moisture.

[0022] A plurality of threaded holes 202 are arranged in a circle on the outer side of the first joint 2, and a plurality of threaded holes 302 are arranged in a circle on the outer side of the second joint 3. The bolts 5 are threadedly connected to the threaded holes 302 and the threaded holes 202 in sequence from the outside to the inside. During actual installation, after the first joint 2 and the second joint 3 are connected, the bolts 5 can be screwed into the threaded holes 202 and the threaded holes 302 in sequence, so that the first joint 2 and the second joint 3 can be firmly fixed, which is conducive to the stable matching and use of the sealing structure.

[0023] Furthermore, the outer end of the threaded hole 202 also has a positioning groove 2021 recessed in a circle on the outer side of the first joint 2, and a sealing gasket 6 is inserted into the inner side of the positioning groove 2021. By arranging the positioning groove 2021 and the sealing gasket 6 on a circle on the outer wall of the first joint 2, not only the connection between the first joint 2 and the second joint 3 is made tighter and more stable, but also external water vapor can be prevented from entering the interior of the pipeline through gaps such as the threaded hole.

[0024] Furthermore, the outer end of the second threaded hole 302 also has a countersunk groove 3201 recessed on the outside of the second joint 3. The countersunk groove 3201 can be used to hide and store the nut of the bolt 5, which not only protects the threaded connection but also makes the outside of the joint smoother and more beautiful.

[0025] In summary, in the present embodiment, a centrifugal steam compression pipeline sealing structure is installed. After the first joint 2 and the second joint 3 are connected, the bolts 5 can be screwed into the threaded hole 202 and the threaded hole 302 in sequence, so that the first joint 2 and the second joint 3 can be firmly fixed. At the same time, during use, the contact area between the first joint 2 and the second joint 3 can be greatly increased by adopting this abutting edge connection with an inclined angle and the mutual cooperation of the sealing sleeve 4, and the sealing effect is significantly improved. At the same time, by providing a plurality of convex rings 3012 to abut against the sealing sleeve 4, the tightness of the contact surface and the anti-seepage effect are further improved.

[0026] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A centrifugal steam compression pipeline sealing structure, characterized in that: The invention comprises a tube body (1), wherein one end of the tube body (1) has a first joint (2) and the other end has a second joint (3) matched with the first joint (2); the first joint (2) has a slope groove (201) on its outer diameter near the end; the end of the first joint (2) has an end groove (2011) connected to the slope groove (201); the inner sides of the slope groove (201) and the end groove (2011) are sleeved with a sealing sleeve (4); the inner side of the second joint (3) has a slope abutment (301) and an end abutment (3011) which match the slope of the slope groove (201) and fit with the sealing sleeve (4) after sleeved; the first joint (2) and the second joint (3) are sleeved with a bolt (5) to form a threaded connection.

2. A centrifugal steam compression pipeline sealing structure according to claim 1, characterized in that: The radial circle of the slope abutment edge (301) and the end abutment edge (3011) also has a plurality of convex rings (3012); The sloped abutment (301) and the sealing sleeve (4) are in a matching and fit-fitting manner, and the end abutment (3011), the end groove (2011) and the sealing sleeve (4) are in relative contact with each other.

3. A centrifugal steam compression pipeline sealing structure according to claim 1, characterized in that: The first joint (2) is provided with a plurality of threaded holes (202) on the outer side, the second joint (3) is provided with a plurality of threaded holes (302) on the outer side, and the bolts (5) are threadedly connected to the threaded holes (302) and the threaded holes (202) in sequence from the outside to the inside.

4. A centrifugal steam compression pipeline sealing structure according to claim 3, characterized in that: The outer end of the threaded hole 1 (202) also has a positioning groove (2021) recessed in a circle outside the first joint (2), and a sealing gasket (6) is placed inside the positioning groove (2021).

5. A centrifugal steam compression pipeline sealing structure according to claim 3, characterized in that: The outer end of the second threaded hole (302) also has a countersunk groove (3201) recessed on the outer side of the second joint (3).

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