CN219187449U

CN219187449U - Spray gun with telescopic function

Info

Publication number: CN219187449U
Application number: CN202223388161.1U
Authority: CN
Inventors: 李福生; 赵麟松; 蔡敏; 赵怀鲁
Original assignee: Toyozawa Technology Dalian Co ltd
Current assignee: Toyozawa Technology Dalian Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-16
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a spray gun with a telescopic function, which comprises a fixed seat, wherein a sleeve is fixedly connected to the fixed seat, a spray gun body is arranged in the sleeve, a driving end of an electric telescopic rod drives a fixed sleeve to move and retract in a boiler, the high temperature and smoke in the boiler are reduced as much as possible, the service life of the spray gun is prolonged, meanwhile, cooling water is introduced into a conveying pipe through a water inlet pipe to cool the spray gun body, after combustion is completed in the boiler, the spray gun body stretches into the boiler to perform denitration through the electric telescopic rod, in the process, inert gas is introduced into the fixed sleeve through an air inlet pipe, an adjusting screw is rotated to rotate through the water inlet pipe, an air outlet hole on the baffle is enabled to move and be located on the same straight line with the through hole, and at the moment, the inert gas is sprayed out through the through hole and the air outlet hole, high temperature steam near the spray gun body is driven, and the spray gun body is prevented from being wrapped by the high temperature steam to cause the damage of the spray gun.

Description

Spray gun with telescopic function

Technical Field

The utility model relates to the field of spray guns, in particular to a spray gun with a telescopic function.

Background

The selective non-catalytic reduction (SNCR) denitration technology is a technology commonly adopted in the existing boiler flue gas denitration process, and is characterized in that a spray gun is arranged at a specific position of a boiler wall, and after combustion in a boiler is completed, the spray gun sprays denitration reducing agent into a hearth to perform denitration on flue gas in the boiler.

This application improves under prior art, among the prior art, current spray gun is fixed mounting on boiler wall generally, and when the boiler burns, the temperature is higher in the boiler, and the flue gas velocity of flow is very fast, and the spray gun is in the operational environment of high temperature, high dust always, leads to the loss of spray gun very serious, and life is very short, needs frequent change.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a spray gun with a telescopic function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a spray gun with flexible function, includes the fixing base, fixedly connected with sleeve pipe on the fixing base, the intraductal spray gun body that is equipped with of cover, the outer wall of spray gun body is fixed to be cup jointed fixed cover, and fixed cover and sleeve pipe inner wall sliding connection, be equipped with in the fixed cover with spray gun body outer wall fixedly connected with conveyer pipe, and the shape of conveyer pipe is the heliciform, fixed cover stretches out sheathed tube one end outer wall sliding connection has the baffle, the venthole that multiunit equidistance distributes has been seted up on the baffle, the through-hole that multiunit equidistance distributes has been seted up along its circumferencial direction on the fixed cover, and the through-hole is located same straight line with the venthole.

As still further aspects of the utility model: the lateral wall fixedly connected with electric telescopic handle of fixing base, electric telescopic handle's drive end fixedly connected with push pedal, and push pedal and fixed sleeve's bottom outer wall fixed connection.

As still further aspects of the utility model: the spray gun is characterized in that a water inlet pipe fixedly connected with the fixed sleeve is arranged above the push plate, one end of the water inlet pipe extending into the fixed sleeve is fixedly connected with the conveying pipe, and a water outlet pipe fixedly connected with the conveying pipe is arranged below the spray gun body.

As still further aspects of the utility model: the top fixedly connected with intake pipe of fixed cover, and the intake pipe is linked together with fixed cover inside, the intake pipe is located the inlet tube and is close to sheathed tube one side top.

As still further aspects of the utility model: the outer wall of the fixed sleeve is provided with a chute, and the inner wall of the chute is in sliding connection with the baffle.

As still further aspects of the utility model: one side inner wall of spout rotates and is connected with adjusting screw, adjusting screw's outer wall and baffle threaded connection, adjusting screw's one end fixedly connected with rotates the regulation pole of being connected with the fixed cover, the opposite side inner wall fixedly connected with slide bar of spout, the outer wall and the baffle sliding connection of slide bar.

The utility model has the following beneficial effects:

according to the utility model, when the boiler is burnt, the electric telescopic rod is started, the driving end of the electric telescopic rod drives the push plate to move so as to enable the fixing sleeve to move, the spray gun body moves along with the fixing sleeve and is retracted in the boiler, the high temperature in the boiler and the loss of smoke to the spray gun are reduced as much as possible, the service life of the spray gun is prolonged, meanwhile, cooling water is introduced into the conveying pipe through the water inlet pipe to cool the spray gun body, after the boiler is burnt, the spray gun body stretches into the boiler to perform denitration, in the process, inert gas is introduced into the fixing sleeve through the air inlet pipe, the water inlet pipe is rotated so that the adjusting screw is rotated, the adjusting screw is rotated so that the baffle plate moves, the air outlet hole on the baffle plate and the air outlet hole are positioned on the same straight line, at the moment, the inert gas is sprayed out through the air outlet hole, and the high temperature steam near the spray gun body is prevented from wrapping the spray gun body, and the spray gun is damaged.

Drawings

FIG. 1 is a schematic view of a spray gun with telescopic function according to the present utility model;

FIG. 2 is a schematic view of the installation of an adjusting screw of a spray gun with telescopic function according to the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present utility model.

Legend description:

the spray gun comprises a fixed seat 1, an electric telescopic rod 2, a push plate 3, a water outlet pipe 4, a spray gun body 5, a fixed sleeve 6, an adjusting rod 7, an air inlet pipe 8, a sleeve 9, a baffle 10, an air outlet hole 11, a through hole 12, a conveying pipe 13, a sliding chute 14, an adjusting screw 15, a sliding rod 16 and a water inlet pipe 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the spray gun with telescopic function provided by the utility model comprises a fixed seat 1, a sleeve 9 is fixedly connected to the fixed seat 1, a spray gun body 5 is arranged in the sleeve 9, a fixed sleeve 6 is fixedly sleeved on the outer wall of the spray gun body 5, the fixed sleeve 6 is in sliding connection with the inner wall of the sleeve 9, a conveying pipe 13 is fixedly connected with the outer wall of the spray gun body 5 in the fixed sleeve 6, the conveying pipe 13 is in a spiral shape, a baffle 10 is slidably connected with one end outer wall of the fixed sleeve 6 extending out of the sleeve 9, a plurality of groups of air outlet holes 11 which are distributed at equal intervals are arranged on the baffle 10, a plurality of groups of through holes 12 which are distributed at equal intervals are arranged on the fixed sleeve 6 along the circumferential direction of the fixed sleeve, the through holes 12 and the air outlet holes 11 are positioned on the same straight line, an electric telescopic rod 2 is fixedly connected to the side wall of the fixed seat 1, a driving end of the electric telescopic rod 2 is fixedly connected with a push plate 3, the push plate 3 is fixedly connected with the outer wall of the bottom of the fixed sleeve 6, a water inlet pipe 17 fixedly connected with the fixed sleeve 6 is arranged above the push plate 3, one end of the water inlet pipe 17 extending into the fixed sleeve 6 is fixedly connected with the conveying pipe 13, a water outlet pipe 4 fixedly connected with the conveying pipe 13 is arranged below the spray gun body 5, the top of the fixed sleeve 6 is fixedly connected with a water inlet pipe 8, the water inlet pipe 8 is communicated with the inside of the fixed sleeve 6, the water inlet pipe 8 is positioned above one side of the water inlet pipe 17 close to the sleeve 9, a sliding groove 14 is arranged on the outer wall of the fixed sleeve 6, the inner wall of the sliding groove 14 is in sliding connection with the baffle 10, an adjusting screw 15 is rotationally connected with one side inner wall of the sliding groove 14, the outer wall of the adjusting screw 15 is in threaded connection with the baffle 10, one end of the adjusting screw 15 is fixedly connected with an adjusting rod 7 rotationally connected with the fixed sleeve 6, the other side inner wall of the sliding groove 14 is fixedly connected with a sliding rod 16, the outer wall of the slide bar 16 is slidably connected to the baffle 10.

Working principle:

in the application, when the boiler burns, the electric telescopic rod 2 is started, the driving end of the electric telescopic rod 2 drives the push plate 3 to move so as to enable the fixed sleeve 6 to move, the spray gun body 5 moves along with the fixed sleeve 6 and withdraws in the boiler, the high temperature and the loss of flue gas to the spray gun in the boiler are reduced as much as possible, the service life of the spray gun is prolonged, meanwhile, cooling water is introduced into the conveying pipe 13 through the water inlet pipe 17 to cool the spray gun body 5, after the combustion in the boiler is completed, the spray gun body 5 stretches into the boiler to perform denitration, in the process, inert gas is introduced into the fixed sleeve 6 through the air inlet pipe 8, the water inlet pipe 17 is rotated so that the adjusting screw 15 rotates, the baffle plate 10 moves and the air outlet hole 11 on the baffle plate 10 is positioned on the same straight line with the through hole 12, at the moment, the inert gas is sprayed out through the through hole 12 and the air outlet hole 11, and high temperature steam near the spray gun body 5 is driven, and the spray gun body 5 is prevented from being damaged by wrapping the spray gun body 5;

when inert gas is introduced into the boiler, the exhaust treatment is required to be carried out in the boiler at the same time, so that the excessive pressure in the boiler is avoided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a spray gun with flexible function, includes fixing base (1), its characterized in that: fixedly connected with sleeve pipe (9) on fixing base (1), be equipped with spray gun body (5) in sleeve pipe (9), fixed cover (6) have been cup jointed to the outer wall of spray gun body (5), and fixed cover (6) and sleeve pipe (9) inner wall sliding connection, be equipped with in fixed cover (6) with spray gun body (5) outer wall fixedly connected with conveyer pipe (13), and the shape of conveyer pipe (13) is the heliciform, the one end outer wall sliding connection that sleeve pipe (9) was stretched out to fixed cover (6) has baffle (10), multiunit equidistance distributed venthole (11) have been seted up on baffle (10), multiunit equidistance distributed through-hole (12) have been seted up along its circumferencial direction on fixed cover (6), and through-hole (12) and venthole (11) are located same straight line.

2. A telescopic spray gun according to claim 1, wherein: the side wall fixedly connected with electric telescopic handle (2) of fixing base (1), the drive end fixedly connected with push pedal (3) of electric telescopic handle (2), and the bottom outer wall fixed connection of push pedal (3) and fixed cover (6).

3. A telescopic spray gun according to claim 2, wherein: the spray gun is characterized in that a water inlet pipe (17) fixedly connected with the fixed sleeve (6) is arranged above the push plate (3), one end of the water inlet pipe (17) extending into the fixed sleeve (6) is fixedly connected with the conveying pipe (13), and a water outlet pipe (4) fixedly connected with the conveying pipe (13) is arranged below the spray gun body (5).

4. A telescopic spray gun according to claim 1, wherein: the top fixedly connected with intake pipe (8) of fixed cover (6), and intake pipe (8) are linked together with fixed cover (6) inside, intake pipe (8) are located inlet tube (17) and are close to one side top of sleeve pipe (9).

5. A telescopic spray gun according to claim 1, wherein: the outer wall of the fixed sleeve (6) is provided with a chute (14), and the inner wall of the chute (14) is in sliding connection with the baffle (10).

6. A telescopic spray gun according to claim 5, wherein: one side inner wall of spout (14) rotates and is connected with adjusting screw (15), the outer wall and the baffle (10) threaded connection of adjusting screw (15), one end fixedly connected with of adjusting screw (15) is with fixed cover (6) regulation pole (7) of rotating and being connected, the opposite side inner wall fixedly connected with slide bar (16) of spout (14), the outer wall and the baffle (10) sliding connection of slide bar (16).