Temperature and pressure reduction annular nozzle with high sealing performance

Abstract

The utility model relates to the related technical field of nozzles, in particular to a temperature and pressure reducing annular nozzle with high sealing performance, which comprises a temperature and pressure reducing device and a nozzle body, the front surface of the temperature and pressure reducing device is fixedly connected with a connecting pipe, and four mounting thread grooves are formed in the front surface of the temperature and pressure reducing device; a deformation groove is formed in the front face of the temperature and pressure reducing device, a sealing groove is formed in the surface of the connecting pipe, and a mounting assembly and a sealing assembly are fixedly connected to the surface of the nozzle body. According to the temperature and pressure reducing annular nozzle with the high sealing performance, through the arrangement of the mounting assembly and the sealing assembly, when the nozzle is used, a circular sealing rubber ring can be driven to deform by using a mounting bolt, and meanwhile, a circular sealing air bag is inflated by using a second external thread sleeve and an inflation pipe to generate an expansion effect; therefore, the sealing effect between the nozzle body and the temperature and pressure reducing device is improved, no gap exists between the nozzle body and the temperature and pressure reducing device to affect the spraying effect of the nozzle body, and the sealing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the nozzle related technical field especially relates to a high sealing performance's temperature and pressure reducing ring nozzle. BACKGROUND

[0002] Temperature and pressure reducing device is a steam heat energy parameter (pressure, temperature) conversion device and energy saving device using waste heat widely used in heat energy engineering in modern industry of heat and power cogeneration, central heating (or steam supply) and light industry, electric power, chemical industry, textile enterprises, through the device, the steam parameters provided by the user are reduced to the appropriate temperature and pressure required by the user to meet the user's requirements, and the heat energy can be fully saved, and the heat energy is reasonably used, the temperature and pressure reducing device has various structural forms, but no matter its form, generally by temperature reducing system, pressure reducing system (or temperature and pressure reducing integrated system), main steam pipe body, safety protection system, thermal control system etc. The structural components of temperature and pressure reducing device are composed of pressure reducing valve, throttle orifice plate, steam mixing pipeline (with nozzle), safety valve, feed water regulating valve, throttle valve, stop valve, check valve, desuperheating water pipe, flange, standard parts etc.

[0003] The nozzle structure in the existing temperature and pressure reducing device is mostly fixedly installed on the surface, and various mounting structures are used to fix the nozzle, however, the sealing structure in the nozzle mostly only realizes sealing effect through a simple sealing ring, and after long time use, the sealing ring is damaged to cause certain gap between the nozzle and the temperature and pressure reducing device, which directly affects the spraying effect of the nozzle and the use effect of the temperature and pressure reducing device, and has certain improvement space. UTILITY MODEL CONTENT

[0004] The utility model discloses a high sealing performance's temperature and pressure reducing ring nozzle to solve the problem that the sealing structure in the existing nozzle only realizes sealing effect through a simple sealing ring and is easy to cause air leakage and reduce the spraying effect of the nozzle after long time use.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high sealing performance's temperature and pressure reducing ring nozzle, including temperature and pressure reducing device and nozzle body, the front surface of temperature and pressure reducing device is fixedly connected with connecting pipe, and the front surface of temperature and pressure reducing device is provided with four installation screw grooves, and the front surface of temperature and pressure reducing device is provided with deformation groove, and the surface of connecting pipe is provided with sealing groove, and the surface of nozzle body is fixedly connected with installation assembly, and the surface of nozzle body is fixedly connected with sealing assembly, and the front end of nozzle body is fixedly connected with atomizing nozzle head;

[0006] The sealing assembly includes an inflation structure and a sealing structure, and the inflation structure is used to inflate the sealing structure to form a sealing effect after swelling.

[0007] Preferably, the mounting assembly comprises a mounting ring, four mounting bolts are threadedly connected to the front face of the mounting ring, the four mounting bolts are uniformly and symmetrically arranged on the front face of the mounting ring, and the four mounting bolts are matched with the four mounting threaded grooves.

[0008] Preferably, a circular groove is formed in the back face of the mounting ring, a circular sealing rubber ring is fixedly connected to the inner wall of the circular groove, the circular sealing rubber ring corresponds to the position of the deformation groove, and the thickness of the circular sealing rubber ring is smaller than the width of the inner wall of the deformation groove.

[0009] Preferably, the sealing structure comprises a circular sealing air bag, a circular through hole is formed in the surface of the nozzle body, and an inflation pipe is fixedly connected to the inner wall of the circular through hole.

[0010] Preferably, one end of the inflation pipe is in communication with the inside of the circular sealing air bag, the position of the circular sealing air bag corresponds to the position of the sealing groove, and the circular sealing air bag is matched with the sealing groove.

[0011] Preferably, the inflation structure comprises a first outer threaded sleeve, one end of the inflation pipe, away from the circular sealing air bag, is in communication with the inside of the first outer threaded sleeve, and the end of the first outer threaded sleeve, away from the nozzle body, is fixedly connected with a second outer threaded sleeve.

[0012] Preferably, a first inner threaded sealing cover is threadedly connected to the surface of the first outer threaded sleeve, and a second inner threaded sealing cover is threadedly connected to the surface of the second outer threaded sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the temperature and pressure reducing annular nozzle with high sealing performance is provided with a mounting assembly and a sealing assembly, when in use, the mounting bolts can drive the circular sealing rubber ring to deform, the second outer threaded sleeve and the inflation pipe can inflate the circular sealing air bag to make it expand, so that the sealing effect between the nozzle body and the temperature and pressure reducing device is improved, and the gap between the two is prevented from affecting the spraying effect of the nozzle body, the sealing effect is good, the first inner threaded sealing cover and the second inner threaded sealing cover are arranged, the compression resistance of the second inner threaded sealing cover is improved when in use, the gas in the circular sealing air bag is prevented from leaking, the sealing effect is further improved, and the utility is higher. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the mounting assembly of the utility model;

[0016] Figure 3The utility model discloses a nozzle body positive section structure schematic diagram.

[0017] Figure 4 The utility model discloses a three -dimensional split structure schematic diagram of inflating assembly.

[0018] In the drawing: 1, temperature and pressure reducing device, 2, nozzle body, 3, connecting pipe, 4, installation thread groove, 5, deformation groove, 6, sealing groove, 7, atomizing nozzle, 8, installation ring, 9, mounting bolt, 10, circular sealing rubber ring, 11, circular sealing air bag, 12, inflating pipe, 13, first outer thread sleeve, 14, second outer thread sleeve, 15, first inner thread sealing cover, 16, second inner thread sealing cover. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative efforts based on the embodiments in the utility model belong to the range of the utility model protection.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a temperature and pressure reducing ring nozzle of high sealing performance, including temperature and pressure reducing device 1 and nozzle body 2, the front of temperature and pressure reducing device 1 is fixedly connected with connecting pipe 3, four installation thread grooves 4 are set in the front of temperature and pressure reducing device 1, deformation groove 5 is set in the front of temperature and pressure reducing device 1, the surface of connecting pipe 3 is set with sealing groove 6, the surface of nozzle body 2 is fixedly connected with installation assembly, the surface of nozzle body 2 is fixedly connected with sealing assembly, the front end of nozzle body 2 is fixedly connected with atomizing nozzle 7;

[0021] Sealing assembly includes inflating structure and sealing structure, inflating structure is used to inflate sealing structure and make it swell to form sealing effect.

[0022] Further, installation assembly includes installation ring 8, the front of installation ring 8 is threadedly connected with four mounting bolts 9, four mounting bolts 9 are evenly and symmetrically arranged on the front of installation ring 8, and four mounting bolts 9 are matched with four installation thread grooves 4.

[0023] Further, the back of the mounting ring 8 is provided with a circular groove, the inner wall of the circular groove is fixedly connected with a circular sealing rubber ring 10, and the circular sealing rubber ring 10 corresponds to the position of the deformation groove 5, the thickness of the circular sealing rubber ring 10 is less than the inner wall width of the deformation groove 5, the mounting ring 8 can be locked by being screwed into the mounting threaded groove 4 by the mounting bolt 9, and after the mounting ring 8 is compressed by the mounting bolt 9, it can be close to the front of the temperature and pressure reducing device 1, so as to drive the circular sealing rubber ring 10 to deform in the deformation groove 5, and the circular sealing rubber ring 10 fills the deformation groove 5, thereby improving the sealing effect between the mounting ring 8 and the temperature and pressure reducing device 1.

[0024] Further, the sealing structure includes a circular sealing air bag 11, and the surface of the nozzle body 2 is provided with a circular through hole, and the inner wall of the circular through hole is fixedly connected with an inflation pipe 12.

[0025] Further, one end of the inflation pipe 12 communicates with the inside of the circular sealing air bag 11, the position of the circular sealing air bag 11 corresponds to the position of the sealing groove 6, and the circular sealing air bag 11 is matched with the sealing groove 6.

[0026] Further, the inflation structure includes a first outer threaded sleeve 13, one end of the inflation pipe 12 away from the circular sealing air bag 11 communicates with the inside of the first outer threaded sleeve 13, and the second outer threaded sleeve 14 is fixedly connected to the end of the first outer threaded sleeve 13 away from the nozzle body 2, and the inflation operation is performed by connecting the air pump with the second outer threaded sleeve 14, that is, the inflation of the circular sealing air bag 11 inside is completed through the inflation pipe 12, so that the circular sealing air bag 11 expands in the sealing groove 6, thereby improving the sealing effect between the nozzle body 2 and the connecting pipe 3, and ensuring that there is no gap to affect the spraying effect of the nozzle body 2.

[0027] Further, the surface of the first outer threaded sleeve 13 is threadedly connected with a first inner threaded sealing cover 15, the surface of the second outer threaded sleeve 14 is threadedly connected with a second inner threaded sealing cover 16, the first inner threaded sealing cover 15 and the second inner threaded sealing cover 16 can respectively seal the first outer threaded sleeve 13 and the second outer threaded sleeve 14, increase the gas leakage prevention effect, and the first inner threaded sealing cover 15 can compress the second inner threaded sealing cover 16, improve the compression resistance of the second inner threaded sealing cover 16, and further improve the leakage prevention performance.

[0028] Working principle: first, the mounting ring 8 and the nozzle body 2 are sleeved on the surface of the connecting pipe 3, three mounting bolts 9 are inserted into the mounting threaded groove 4 and tightened, the mounting ring 8 can fix the nozzle body 2 on the surface of the temperature and pressure reducing device 1, at this time the mounting ring 8 is pressed to the surface of the temperature and pressure reducing device 1 by the tightening effect of the mounting bolt 9, so that the circular sealing rubber ring 10 is deformed, and the deformation groove 5 is filled, so as to improve the sealing effect of the mounting ring 8 and the surface of the temperature and pressure reducing device 1, at the same time, the first inner threaded sealing cover 15 and the second inner threaded sealing cover 16 are unscrewed, the second outer threaded sleeve 14 is exposed, the air pump is connected with the second outer threaded sleeve 14, and the second outer threaded sleeve 14 is inflated, the gas enters the circular sealing air bag 11 through the inflation pipe 12, and the circular sealing air bag 11 is inflated, so as to improve the sealing effect between the nozzle body 2 and the connecting pipe 3, after inflation, the first inner threaded sealing cover 15 and the second inner threaded sealing cover 16 are tightened with the first outer threaded sleeve 13 and the second outer threaded sleeve 14 respectively, so as to seal the inflation pipe 12, ensure that the gas in the circular sealing air bag 11 will not leak, at the same time, the first inner threaded sealing cover 15 can press the surface of the second inner threaded sealing cover 16, so as to improve the pressure resistance of the second inner threaded sealing cover 16, further improve the anti-leakage function of the gas, the circular sealing rubber ring 10 and the circular sealing air bag 11 can increase the sealing effect between the nozzle body 2 and the temperature and pressure reducing device 1, so as to ensure that there is no gap between the nozzle body 2 and the temperature and pressure reducing device 1 to affect the spraying effect of the nozzle body 2, and the practicability is high.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high sealing performance attemperator and pressure reducing ring nozzle comprising an attemperator and pressure reducing device (1) and a nozzle body (2), characterized in that: The front surface of the temperature and pressure reducing device (1) is fixedly connected with a connecting pipe (3), four mounting threaded grooves (4) are arranged on the front surface of the temperature and pressure reducing device (1), a deformation groove (5) is arranged on the front surface of the temperature and pressure reducing device (1), a sealing groove (6) is arranged on the surface of the connecting pipe (3), the surface of the nozzle body (2) is fixedly connected with a mounting assembly, the surface of the nozzle body (2) is fixedly connected with a sealing assembly, and the front end of the nozzle body (2) is fixedly connected with an atomizing nozzle (7). The sealing assembly comprises an inflation structure and a sealing structure, and the inflation structure is used for inflating the sealing structure to form a sealing effect after inflation.

2. The high sealing performance attemperator ring nozzle according to claim 1, characterized in that: The mounting assembly comprises a mounting ring (8), four mounting bolts (9) are threadedly connected to the front surface of the mounting ring (8), and the four mounting bolts (9) are uniformly and symmetrically arranged on the front surface of the mounting ring (8) and are matched with the four mounting threaded grooves (4).

3. A high sealing performance attemperator ring nozzle according to claim 2, characterized in that: A circular groove is arranged on the back surface of the mounting ring (8), a circular sealing rubber ring (10) is fixedly connected to the inner wall of the circular groove, the position of the circular sealing rubber ring (10) corresponds to that of the deformation groove (5), and the thickness of the circular sealing rubber ring (10) is smaller than the width of the inner wall of the deformation groove (5).

4. The high sealing performance attemperator ring nozzle according to claim 1, characterized in that: The sealing structure comprises a circular sealing air bag (11), a circular through hole is arranged on the surface of the nozzle body (2), and an inflation pipe (12) is fixedly connected to the inner wall of the circular through hole.

5. A high sealing performance attemperator ring nozzle as claimed in claim 4, wherein: One end of the inflation pipe (12) is in communication with the inside of the circular sealing air bag (11), the position of the circular sealing air bag (11) corresponds to that of the sealing groove (6), and the circular sealing air bag (11) is matched with the sealing groove (6).

6. A high sealing performance attemperator ring nozzle as claimed in claim 1, wherein: The inflation structure comprises a first outer threaded sleeve (13), one end of the inflation pipe (12) away from the circular sealing air bag (11) is in communication with the inside of the first outer threaded sleeve (13), and the first outer threaded sleeve (13) is fixedly connected with a second outer threaded sleeve (14) at the end away from the nozzle body (2).

7. A high sealing performance attemperator ring nozzle according to claim 6, characterized in that: The surface of the first outer threaded sleeve (13) is threadedly connected with a first inner threaded sealing cover (15), and the surface of the second outer threaded sleeve (14) is threadedly connected with a second inner threaded sealing cover (16).

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