CN213315662U

CN213315662U - Embedded wear-resisting nozzle

Info

Publication number: CN213315662U
Application number: CN202021841617.3U
Authority: CN
Inventors: 吴迪; 白利翔
Original assignee: Luoyang Emperor Bo Petrochemical Equipment Co ltd
Current assignee: Luoyang Emperor Bo Petrochemical Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-01
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an embedded wear-resistant nozzle, which comprises a connecting pipe and a nozzle; the connecting pipe comprises a first pipe fitting and a second pipe fitting which are coaxially arranged, and the inner wall of the second pipe fitting is provided with threads and is in threaded connection with the spray head; one end of the spray head is provided with a threaded connecting part in threaded connection with the second pipe fitting; the inner cavity of the spray head is provided with a lining, the lining is provided with a streamline gradually-reduced cavity communicated with openings at two ends, an elastic washer is arranged between the lining and a connecting pipe, and the connecting pipe and the spray head are matched to compress the elastic washer so as to realize the compression fixation of the lining; the axis of the other end face of the spray head is provided with a taper hole, and the streamline gradually-reducing cavity is communicated with the taper hole. The utility model discloses convenient dismantlement and installation use need not to change the nozzle after a period whole, can change the bush and continue to use shower nozzle and connecting pipe, save the cost, improve the wearability and the life of shower nozzle.

Description

Embedded wear-resisting nozzle

Technical Field

The utility model relates to a nozzle technical field specifically is a wear-resisting nozzle of inserted.

Background

It is known that in flue gas purification or desulfurization and denitrification equipment, a spray nozzle playing a role in spraying and washing has an important influence on the improvement of desulfurization and denitrification or dust removal efficiency. As for the nozzle, as the direct element for forming high-speed jet flow, the pressure resistance and the wear resistance of the nozzle directly determine the service life, the conventional jet flow nozzle has the defects of low wear resistance, mixed impact on the inner wall of a cavity under the action of a water head and compressed air, abrasion of the cavity is caused, the spraying effect is influenced, and therefore the nozzle needs to be replaced at regular time, the use cost and the subsequent maintenance cost are undoubtedly increased, and the nozzle is not favorable for production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an inserted wear-resisting nozzle, convenient dismantlement and installation need not to change the nozzle after using a period whole, can change the bush and continue to use shower nozzle and connecting pipe, saves the cost, improves the wearability and the life of shower nozzle, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an embedded wear-resistant nozzle comprises a connecting pipe and a spray head; the connecting pipe comprises a first pipe fitting and a second pipe fitting which are coaxially arranged, and the inner wall of the second pipe fitting is provided with threads and is in threaded connection with the spray head; one end of the spray head is provided with a threaded connecting part in threaded connection with the second pipe fitting; the inner cavity of the spray head is provided with a lining, the lining is provided with a streamline gradually-reduced cavity communicated with openings at two ends, an elastic washer is arranged between the lining and a connecting pipe, and the connecting pipe and the spray head are matched to compress the elastic washer so as to realize the compression fixation of the lining; and the axis of the other end surface of the spray head is provided with a taper hole, and the streamline gradually-reducing cavity is communicated with the taper hole.

Preferably, a positioning ring is arranged between the contact surface of the bushing and the side wall of the inner cavity of the spray head, the positioning ring and the spray head are coaxial, a first clamping groove matched with the positioning ring is formed in the axis of the end part of the bushing, and a second clamping groove matched with the positioning ring is formed in the side wall of the inner cavity of the spray head.

Preferably, the axle center of the bushing is provided with a first flow hole for communicating the streamline gradually-reduced cavity with the first clamping groove; the axis of the spray head is provided with a second flow hole for communicating the taper hole with the second clamping groove; the first flow hole, the second flow hole and the inner hole of the positioning ring are coaxial and have the same diameter.

Preferably, the diameter of the second pipe fitting is larger than that of the first pipe fitting, the outer wall of the first pipe fitting is provided with threads, and the outer wall of the second pipe fitting is provided with a first nut.

Preferably, the streamline tapered cavity comprises a constant diameter cavity and a tapered cavity, and the section line of the tapered cavity is involute or parabola.

Preferably, the outer wall of the spray head is provided with a second screw cap.

Preferably, the lining is made of silicon carbide.

Compared with the prior art, the beneficial effects of the utility model are that: according to the embedded wear-resistant nozzle, the bushing is tightly pressed and fixed in the nozzle through the connecting pipe and the elastic washer, so that the disassembly and the assembly are convenient, the whole nozzle does not need to be replaced after the embedded wear-resistant nozzle is used for a period of time, the bushing can be replaced to continue using the nozzle and the connecting pipe, the cost is saved, the wear resistance of the nozzle is improved, and the service life of the nozzle is prolonged; through carrying out optimal design to the bush inner chamber, reduce medium frictional resistance, guarantee the axiality requirement of the discharge orifice one of bush and the discharge orifice two of shower nozzle through using the holding ring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection tube structure of the present invention;

FIG. 3 is a schematic view of the structure of the bushing of the present invention;

fig. 4 is a schematic view of the positioning ring structure of the present invention;

fig. 5 is a schematic view of the structure of the sprinkler head of the present invention.

In the figure: the nozzle comprises a connecting pipe 1, a pipe 1.1I, a pipe 2.2 II, a nut 1.3I, a bush 2, a clamping groove 2.1I, a flow hole 2.2I, a streamline reducing chamber 2.3, a nozzle 3, a thread connecting part 3.1, a nut 3.2 II, a clamping groove 3.3, a taper hole 3.4, a flow hole 3.5 II, a positioning ring 4 and an elastic gasket 5.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an embedded wear-resistant nozzle comprises a connecting pipe 1 and a spray head 3; the connecting pipe 1 comprises a first pipe fitting 1.1 and a second pipe fitting 1.2 which are coaxially arranged, and the inner wall of the second pipe fitting 1.2 is provided with threads and is in threaded connection with the spray head 3; one end of the spray head 3 is provided with a threaded connection part 3.1 in threaded connection with the second pipe fitting 1.2, and the spray head is convenient to detach and mount and the mounting process is simplified by adopting threaded connection; the inner cavity of the spray head 3 is provided with a lining 2, the lining 2 is provided with a streamline gradually-reducing chamber 2.3 communicated with openings at two ends, an elastic gasket 5 is arranged between the lining 2 and the connecting pipe 1, the connecting pipe 1 and the spray head 3 are matched with each other to press and fix the lining 2, the elastic gasket 5 is arranged to press and fix the lining 2, the elastic gasket 5 can also play a role in sealing at the same time, and a medium is prevented from escaping from the joint of the connecting pipe 1 and the spray head 3; after the sprayer is used for a period of time, the lining 2 can be replaced to continue using the sprayer 3 and the connecting pipe 1, so that the cost is saved, the wear resistance of the sprayer is improved, and the service life of the sprayer is prolonged; a taper hole 3.4 is arranged at the axis of the other end face of the spray head 3, and the streamline gradually-reducing chamber 2.3 is communicated with the taper hole 3.4;

furthermore, a positioning ring 4 is arranged between the contact surface of the lining 2 and the side wall of the inner cavity of the spray head 3, the positioning ring 4 is coaxial with the spray head 3, a first clamping groove 2.1 matched with the positioning ring 4 is arranged at the axis of the end part of the lining 2, and a second clamping groove 3.3 matched with the positioning ring 4 is arranged on the side wall of the inner cavity of the spray head 3; the axis of the bushing 2 is provided with a flow hole I2.2 which is communicated with the streamline gradually-reduced cavity 2.3 and the clamping groove I2.1; the axis of the spray head 3 is provided with a flow hole II 3.5 for communicating the taper hole 3.4 with the clamping groove II 3.3; the inner holes of the first flow hole 2.2, the second flow hole 3.5 and the positioning ring 4 are coaxial and have the same diameter; the use of the retaining ring 4 ensures the coaxiality requirement of the flow opening one 2.2 of the bushing 2 and the flow opening two 3.5 of the nozzle head 3

Furthermore, the diameter of the pipe fitting II 1.2 is larger than that of the pipe fitting I1.1, the outer wall of the pipe fitting I1.1 is provided with threads, and the outer wall of the pipe fitting II 1.2 is provided with a screw cap I1.3, so that screwing-in or screwing-out is facilitated;

it should be noted that the streamline tapered cavity 2.3 includes an equal-diameter section cavity and a tapered section cavity, and the section line of the tapered section cavity is involute or parabolic, so as to reduce the frictional resistance of the medium to the cavity wall of the streamline tapered cavity 2.3;

in order to facilitate screwing in or screwing out of the spray head 3, a screw cap II 3.2 is arranged on the outer wall of the spray head 3;

further, the lining 2 is made of silicon carbide.

The working principle is as follows: when in use, the connecting pipe 1 is connected with an external part through threads; after the connecting pipe is used for a period of time, the connecting pipe 1 is screwed through the first nut 1.3, the whole body is taken down, the spray head 3 is screwed through the second nut 3.2, the spray head 3 is separated from the connecting pipe 1, the elastic washer 5, the lining 2 and the positioning ring 4 are taken out, the new lining 2 is replaced, the positioning ring 4, the lining 2 and the elastic washer 5 are sequentially placed, and then the spray head 3 and the connecting pipe 1 are screwed.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An embedded wear-resisting nozzle which is characterized in that: comprises a connecting pipe (1) and a spray head (3); the connecting pipe (1) comprises a first pipe fitting (1.1) and a second pipe fitting (1.2) which are coaxially arranged, and the inner wall of the second pipe fitting (1.2) is provided with threads and is in threaded connection with the spray head (3); one end of the spray head (3) is provided with a threaded connecting part (3.1) in threaded connection with the second pipe fitting (1.2); a lining (2) is arranged in an inner cavity of the spray head (3), the lining (2) is provided with a streamline gradually-reduced cavity (2.3) communicated with openings at two ends, an elastic gasket (5) is arranged between the lining (2) and the connecting pipe (1), and the connecting pipe (1) and the spray head (3) are matched to compress the elastic gasket (5) so as to realize the compression and fixation of the lining (2); the other end face axis of the spray head (3) is provided with a taper hole (3.4), and the streamline gradually-reducing chamber (2.3) is communicated with the taper hole (3.4).

2. A wear resistant mosaic spray nozzle as claimed in claim 1, wherein: be equipped with holding ring (4) between the contact surface of bush (2) and shower nozzle (3) inner chamber lateral wall, holding ring (4) and shower nozzle (3) coaxial line, the tip axle center of bush (2) is equipped with draw-in groove one (2.1) with holding ring (4) adaptation, and shower nozzle (3) inner chamber lateral wall is equipped with draw-in groove two (3.3) with holding ring (4) adaptation.

3. A wear resistant mosaic spray nozzle as claimed in claim 2, wherein: the axis of the bushing (2) is provided with a first flow hole (2.2) for communicating the streamline gradually-reduced cavity (2.3) with the first clamping groove (2.1); a second flow hole (3.5) which is communicated with the taper hole (3.4) and the second clamping groove (3.3) is formed in the axis of the spray head (3); and the inner holes of the first flow hole (2.2), the second flow hole (3.5) and the positioning ring (4) are coaxial and have the same diameter.

4. A wear resistant mosaic spray nozzle as claimed in claim 1, wherein: the diameter of the second pipe fitting (1.2) is larger than that of the first pipe fitting (1.1), the outer wall of the first pipe fitting (1.1) is provided with threads, and the outer wall of the second pipe fitting (1.2) is provided with the first nut (1.3).

5. A wear resistant mosaic spray nozzle as claimed in claim 1, wherein: the streamline tapered cavity (2.3) comprises a constant diameter section cavity and a tapered section cavity, and the section line shape of the tapered section cavity is an involute line or a parabola.

6. A wear resistant mosaic spray nozzle as claimed in claim 1, wherein: and a second screw cap (3.2) is arranged on the outer wall of the spray head (3).

7. A wear resistant mosaic spray nozzle as claimed in claim 1, wherein: the lining (2) is made of silicon carbide.