CN112156901A

CN112156901A - Quenching spray gun with protective outer cover

Info

Publication number: CN112156901A
Application number: CN202010938447.9A
Authority: CN
Inventors: 刘林; 陈德峰
Original assignee: Hunan Hengxing Environmental Protection Technology Development Co ltd
Current assignee: Hunan Hengxing Environmental Protection Technology Development Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-01-01
Anticipated expiration: 2040-09-09
Also published as: CN112156901B

Abstract

The invention provides a quenching spray gun with a protective outer cover, and relates to the technical field of quenching. This rapid cooling spray gun with protective housing, including the spray gun body, the surface swing joint of spray gun body has protecting sheathing, protecting sheathing's inside swing joint has the connecting rod, the right flank swing joint of connecting rod has the bracing piece, the one end fixedly connected with that the connecting rod was kept away from to the bracing piece blocks the piece, protecting sheathing's inside and the right flank fixedly connected with fixture block that is located the connecting rod, the inside fixedly connected with feed liquor pipe of spray gun body, the inside fixedly connected with solenoid valve of feed liquor pipe, the first connecting portion of last fixed surface of spray gun body connection. Through atomization plate and pressure boost piece, the atomization plate makes atomization effect better, and through pressure boost piece, the pressure of increase blowout fog makes it spray area bigger, has reduced the probability that atomizer damaged for its life increases, reduces the number of times of overhauing.

Description

Quenching spray gun with protective outer cover

Technical Field

The invention relates to the technical field of quenching, in particular to a quenching spray gun with a protective outer cover.

Background

The quenching method includes two types, one is direct quenching, the other is indirect cooling, the direct quenching is to utilize a quenching agent to directly contact with gas to be cooled, the quenching agent is generally water and is sprayed out through a spray gun to directly contact with the gas to be cooled, then the gas is separated, and the indirect cooling generally utilizes high-pressure steam as a power source to drive machinery such as a compressor, a high-pressure water valve and the like to terminate secondary reaction and recover high-grade heat.

A spray gun is a device that uses a quick release of liquid or compressed air as a motive force. The spray gun is divided into a normal pressure type spray gun and a pressurized spray gun. The spray gun also comprises a pressure type spray gun, a Kale type spray gun and an automatic recovery type spray gun. The spray gun can be directly used for loading paint in the industry, namely the simple spray gun can be installed in automatic equipment, such as an automatic glue sprayer, an automatic glue spreader, an automatic paint sprayer, a coating machine and other spraying equipment.

The existing quenching spray gun is poor in atomization effect, small in spraying area and incapable of comprehensively quenching gas inside a cooling tower, and moreover, the external temperature of the quenching spray gun is too high, liquid with lower temperature is introduced into the quenching spray gun, so that the quenching spray gun has a large temperature difference inside and outside the quenching spray gun, and the service life of a quenching cavity is short.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a quenching spray gun with a protective outer cover, which solves the problems of small quenching area and short service life.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a rapid cooling spray gun with a protective housing comprises a spray gun body, wherein the outer surface of the spray gun body is movably connected with a protective housing, the inside of the protective housing is movably connected with a connecting rod, the right side surface of the connecting rod is movably connected with a supporting rod, one end of the supporting rod, which is far away from the connecting rod, is fixedly connected with a blocking block, the inside of the protective housing is fixedly connected with a clamping block, the inside of the spray gun body is fixedly connected with a liquid inlet pipe, the inside of the liquid inlet pipe is fixedly connected with an electromagnetic valve, the upper surface of the spray gun body is fixedly connected with a first connecting part, the side surface of the spray gun body is provided with a clamping groove, the lower surface of the spray gun body is fixedly connected with a nozzle, the inside of the nozzle is provided with a water inlet pipe, the inside of the nozzle is provided with a water containing cavity, and the inside, the inside of atomizing board is provided with the atomizing hole, the inside of nozzle just is located the below fixedly connected with briquetting of atomizing board, the last fixed surface of briquetting is connected with the spring, the lower surface of nozzle is provided with out the fog hole, the upper surface of nozzle is provided with the second connecting portion.

Preferably, the protective casing comprises a heat-resistant layer, a heat-insulating layer is arranged inside the heat-resistant layer, and a heat-insulating layer is arranged inside the heat-insulating layer.

Preferably, the heat-resistant layer is made of copper-aluminum-lithium heat-resistant alloy, the heat-insulating layer is made of one of glass fiber, asbestos, rock wool, silicate aerogel felt and a vacuum plate, and the heat-insulating layer is made of polyurethane heat-insulating material.

Preferably, the inside of the clamping groove is movably connected with the blocking block, the blocking block is positioned above the clamping block, and the clamping groove is fan-shaped.

Preferably, the first connecting portion is externally provided with an external thread, and the second connecting portion is internally provided with an internal thread.

Preferably, the joint of the pressurizing block and the nozzle is provided with an atomizing ring, and one end of the spring, which is far away from the pressurizing block, is fixedly connected with the atomizing plate.

Preferably, one end of the connecting rod, which is far away from the supporting rod, extends to the outside of the protective shell, and the number of the connecting rods is at least three.

Preferably, the lower surface of the nozzle extends to the lower part of the protective shell, and heat insulation cotton is arranged at the joint of the nozzle and the protective shell.

The working principle is as follows: install to spray gun body 1 through the internal thread with nozzle 6 on the second connecting portion 13 on, then place spray gun body 1 in protecting sheathing 2's inside, through installing first connecting portion 5 on the water pipe, through rotatory with it, fixture block 11 props up bracing piece 9, block piece 10 and draw-in groove 7 and block, make spray gun body 1 and protecting sheathing 2 be connected, during the use, the coolant passes through feed liquor pipe 3 and gets into, the entering of inside coolant is controlled through solenoid valve 4, the coolant enters into inlet tube 15, reach and hold water cavity 16, then through atomizing plate 17, atomize it, as pressure increase, through jacking pressure boost piece 20, go out through going out fog hole 21, spray, carry out the rapid cooling to external gas.

(III) advantageous effects

The invention provides a quenching spray gun with a protective outer cover. The method has the following beneficial effects:

1. according to the invention, the atomization plate and the pressurizing block enable the atomization effect to be better, the pressurizing block increases the pressure of the sprayed mist, the spraying area of the sprayed mist is larger, the probability of damage of the atomizing nozzle is reduced, the service life of the spraying nozzle is prolonged, and the maintenance frequency is reduced.

2. According to the invention, through the arrangement of the protective shell, the external high temperature is separated from the internal low temperature of the spray gun, so that the damage of the internal and external temperature difference to the structure of the spray gun body is reduced, the service life of the spray gun is prolonged, and meanwhile, the heat exchange before spraying is reduced, the internal temperature is increased, and the quenching effect is better.

3. According to the invention, the clamping groove and the blocking block are arranged, so that the connection is firm and simple, and the interior of the spray gun can be conveniently overhauled or replaced when the spray gun is dismounted.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is a schematic view of the internal structure of the nozzle of the present invention;

fig. 5 is a schematic view of the internal structure of the protective housing of the present invention.

Wherein, 1, the spray gun body; 2. a protective housing; 201. a heat-resistant layer; 202. a thermal insulation layer; 203. a heat-insulating layer; 3. a liquid inlet pipe; 4. an electromagnetic valve; 5. a first connection portion; 6. a nozzle; 7. a card slot; 8. a connecting rod; 9. a support bar; 10. a blocking block; 11. a clamping block; 13. a second connecting portion; 14. an internal thread; 15. a water inlet pipe; 16. a water containing cavity; 17. an atomization plate; 18. an atomization orifice; 19. a spring; 20. a pressure increasing block; 21. and a mist outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-5, an embodiment of the present invention provides a rapid cooling spray gun with a protective housing, which includes a spray gun body 1 for spraying mist, a protective housing 2 movably connected to an outer surface of the spray gun body 1 for protecting the spray gun body, a connecting rod 8 movably connected to an interior of the protective housing 2 for detaching or fixing a position of the spray gun body 1, a supporting rod 9 movably connected to a right side surface of the connecting rod 8 for supporting and connecting a blocking block 10, a blocking block 10 fixedly connected to an end of the supporting rod 9 away from the connecting rod 8 for blocking movement of the spray gun body 1, a block 11 fixedly connected to a right side surface of the connecting rod 8 and inside the protective housing 2 for supporting the supporting rod 19, the blocking block 10 for blocking, a liquid inlet pipe 3 fixedly connected to an interior of the spray gun body 1 for entering liquid, and an electromagnetic valve 4 fixedly connected to an interior of the liquid, the spray gun comprises a spray gun body 1, a first connecting part 5 fixedly connected to the upper surface of the spray gun body 1 and connected to a water pipe, a clamping groove 7 arranged on the side surface of the spray gun body 1 for facilitating the entering of a blocking block 10 and fixing the spray gun body 1, a nozzle 6 fixedly connected to the lower surface of the spray gun body 1 for spraying mist, a water inlet pipe 15 arranged inside the nozzle 6 for allowing coolant to enter, a water containing cavity 16 arranged inside the nozzle 6 and below the water inlet pipe 15 for containing the coolant, an atomizing plate 17 fixedly connected to the inside of the nozzle 6 and below the water containing cavity 16 for atomizing the coolant, an atomizing hole 18 arranged inside the atomizing plate 17, a pressurizing block 20 fixedly connected to the inside of the nozzle 6 and below the atomizing plate 17 for increasing the pressure of the mist, a spring 19 fixedly connected to the upper surface of the pressurizing block 20 for providing pressure, and a mist outlet hole 21 arranged on the lower surface of the nozzle 6, the mist ejection port and the upper surface of the nozzle 6 are provided with a second connection portion 13, which is connected to the spray gun body 1.

The protective shell 2 comprises a heat-resistant layer 201 capable of bearing external high temperature, a heat-insulating layer 202 is arranged inside the heat-resistant layer 201 and used for isolating the external high temperature, a heat-insulating layer 203 is arranged inside the heat-insulating layer 202 and used for keeping cool air inside the spray gun body 1 and ensuring the quenching effect, the heat-resistant layer 201 is made of copper aluminum lithium heat-resistant alloy and has sufficient strength and good heat-resistant effect, the heat-insulating layer 202 is made of one of glass fiber, asbestos, rock wool, silicate aerogel felt and a vacuum plate, the heat-insulating layer 203 is made of polyurethane heat-insulating material, the inside of the clamping groove 7 is movably connected with the blocking block 10 and is convenient to clamp, the blocking block 10 is positioned above the clamping block 11, the clamping groove 7 is fan-shaped and is convenient to clamp the blocking block 10, external threads are arranged outside the first connecting part 5 and are convenient to connect, internal threads 14 are arranged inside the second connecting part 13, pressurizing block 20 is provided with into fog ring with nozzle 6's junction, make things convenient for fog pressure to get into, thereby spout from fog outlet 21, spring 19 keeps away from pressurizing block 20's one end and atomization board 17 fixed connection, provide pressure, make the blowout distance far away, the scope is wider, the one end that bracing piece 9 was kept away from to connecting rod 8 extends to protecting sheathing 2's outside, carry out the block when conveniently connecting, when pulling down, protecting sheathing 2 and spray gun body 1 of being convenient for separate, the quantity of connecting rod 8 is three at least, guarantee the quality of connecting, nozzle 6's lower surface extends to protecting sheathing 2's below, nozzle 6 is provided with thermal-insulated cotton with protecting sheathing 2's junction, prevent thermal rush-in, destroy protecting sheathing 2's protecting effect.

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

1. The utility model provides a rapid cooling spray gun with protection dustcoat, includes spray gun body (1), its characterized in that: the outer surface of the spray gun body (1) is movably connected with a protective shell (2), the inner part of the protective shell (2) is movably connected with a connecting rod (8), the right side surface of the connecting rod (8) is movably connected with a supporting rod (9), one end, far away from the connecting rod (8), of the supporting rod (9) is fixedly connected with a blocking block (10), the inner part of the protective shell (2) is fixedly connected with a clamping block (11) and positioned on the right side surface of the connecting rod (8), the inner part of the spray gun body (1) is fixedly connected with a liquid inlet pipe (3), the inner part of the liquid inlet pipe (3) is fixedly connected with an electromagnetic valve (4), the upper surface of the spray gun body (1) is fixedly connected with a first connecting part (5), the side surface of the spray gun body (1) is provided with a clamping groove (7), the inside of nozzle (6) is provided with inlet tube (15), the inside of nozzle (6) and the below that is located inlet tube (15) are provided with and hold water cavity (16), the inside of nozzle (6) and the below fixedly connected with atomizing plate (17) that is located and holds water cavity (16), the inside of atomizing plate (17) is provided with atomizing hole (18), the inside of nozzle (6) and the below fixedly connected with pressure intensifying piece (20) that is located atomizing plate (17), the last fixed surface of pressure intensifying piece (20) is connected with spring (19), the lower surface of nozzle (6) is provided with out fog hole (21), the upper surface of nozzle (6) is provided with second connecting portion (13).

2. A quench lance with a protective enclosure as claimed in claim 1, wherein: the protective casing (2) comprises a heat-resistant layer (201), a heat-insulating layer (202) is arranged inside the heat-resistant layer (201), and a heat-insulating layer (203) is arranged inside the heat-insulating layer (202).

3. A quench lance with a protective enclosure as claimed in claim 2, wherein: the heat-resistant layer (201) is made of copper-aluminum-lithium heat-resistant alloy, the heat-insulating layer (202) is made of one of glass fiber, asbestos, rock wool, silicate aerogel felt and a vacuum plate, and the heat-insulating layer (203) is made of polyurethane heat-insulating material.

4. A quench lance with a protective enclosure as claimed in claim 1, wherein: the inside and the stopper (10) swing joint of draw-in groove (7), the position of stopper (10) is located the top of fixture block (11), the shape of draw-in groove (7) is fan-shaped.

5. A quench lance with a protective enclosure as claimed in claim 1, wherein: the outer portion of the first connecting portion (5) is provided with external threads, and the inner portion of the second connecting portion (13) is provided with internal threads (14).

6. A quench lance with a protective enclosure as claimed in claim 1, wherein: the atomizing nozzle is characterized in that a fog inlet ring is arranged at the joint of the pressurizing block (20) and the nozzle (6), and one end, far away from the pressurizing block (20), of the spring (19) is fixedly connected with the atomizing plate (17).

7. A quench lance with a protective enclosure as claimed in claim 1, wherein: one end of the connecting rod (8) far away from the supporting rod (9) extends to the outside of the protective shell (2), and the number of the connecting rods (8) is at least three.

8. A quench lance with a protective enclosure as claimed in claim 1, wherein: the lower surface of nozzle (6) extends to the below of protecting sheathing (2), the junction of nozzle (6) and protecting sheathing (2) is provided with thermal-insulated cotton.