CN212719712U

CN212719712U - Spray gun with air cooling sleeve

Info

Publication number: CN212719712U
Application number: CN202021571990.1U
Authority: CN
Inventors: 徐宜衡; 李林丰; 耿平豹; 周青云
Original assignee: Shanghai Caneen Spraying Systems Co ltd
Current assignee: Shanghai Caneen Spraying Systems Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a field of spray gun, specifically be an install forced air cooling sheathed tube spray gun additional, it includes the fuel pipe, spray gun tuber pipe and rifle head, the fuel pipe is located inside the spray gun tuber pipe, the fuel pipe all extends to the rifle head with the spray gun tuber pipe in, the outside of spray gun tuber pipe is equipped with the forced air cooling sleeve pipe, the sheathed tube diameter of forced air cooling is greater than the maximum diameter of rifle head, the spray gun tuber pipe is outside fixedly connected with of one end outside of rifle head and is blockked the crown plate and block the crown plate dismantlement and be connected, the forced air cooling sleeve pipe is close to and has been seted up the vent on the one end lateral wall that blocks the crown plate, be equipped with condenser tube in the forced air cooling sleeve pipe, condenser tube is located between forced air cooling sleeve pipe and the spray gun. This application has the better cooling effect to the rifle head.

Description

Spray gun with air cooling sleeve

Technical Field

The application relates to the field of spray guns, in particular to a spray gun provided with an air cooling sleeve.

Background

The spray gun is a device which utilizes liquid or compressed air to quickly release as power to spray objects, can be applied to various fields, for example, in an incinerator, a gun head can be utilized to spray combustion-supporting liquid, the gun head of the spray gun directly faces to a fire source in the incinerator, and under the action of high temperature, the service life of the gun head can be greatly shortened, so that the gun head of the spray gun needs to be cooled. Air cooling is a cooling method, and mainly takes the form of increasing the contact area of a heat dissipation object and air and increasing the air flow rate of the surface of the heat dissipation object.

The current chinese patent with publication number CN204461099U discloses a novel top-blown submerged spray gun head, which is inserted into the melt in the cylindrical furnace chamber vertically from the top of the furnace during operation, and comprises a fuel pipe and a spray gun air pipe, wherein the fuel pipe is arranged inside the spray gun air pipe, the discharge end of the fuel pipe is arranged inside the spray gun air pipe, the region between the discharge end of the fuel pipe and the end of the spray gun air pipe is a mixing chamber, an outer pipe is arranged outside the spray gun air pipe, the end of the outer pipe is connected with the end of the spray gun air pipe, the inner wall of the outer pipe and the outer edge of the spray gun air pipe form a special gun air cooling channel, the spray gun air pipe is arranged on the pipe wall of the mixing chamber, and the air. When the spray gun works, air in the outer tube enters the spray gun air tube through the air outlet to cool the gun head.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the rifle head among the above-mentioned technical scheme is located inside the furnace, cools down the rifle head surface through the mode of forced air cooling, and its forced air cooling mainly utilizes power device to act on the rifle head with the air outside the furnace, and under the higher condition of temperature in the furnace, the cooling effect that the air current played the rifle head is less, and the temperature around the rifle head is still higher, consequently is not good enough to the cooling effect of rifle head.

SUMMERY OF THE UTILITY MODEL

In order to make the cooling effect of rifle head better, this application provides an install forced air cooling sheathed tube spray gun additional.

The application provides a spray gun of installing forced air cooling sleeve pipe additional adopts following technical scheme:

the utility model provides an install forced air cooling sheathed tube spray gun additional, includes fuel pipe, spray gun tuber pipe and rifle head, the fuel pipe is located inside the spray gun tuber pipe, the fuel pipe all extends to in the rifle head with the spray gun tuber pipe, the outside of spray gun tuber pipe is equipped with the forced air cooling sleeve pipe, the sheathed tube diameter of forced air cooling is greater than the maximum diameter of rifle head, the spray gun tuber pipe is outside fixedly connected with of one end outside of rifle head and is blockked the crown plate, forced air cooling sheathed tube inner wall and the outer wall that blocks the crown plate are laminated mutually, the forced air cooling sleeve pipe is close to and blocks and has seted up the vent on the one end lateral wall of crown plate, the forced air cooling intraductal.

By adopting the technical scheme, cold water flows in the air-cooled sleeve, so that heat in the air-cooled sleeve is absorbed, and air in the air-cooled sleeve is cooled. The air cooling sleeve is internally provided with a ventilation hole, and air with lower temperature in the air cooling sleeve flows through the surface of the gun head at a higher speed, so that a large amount of heat on the surface of the gun head can be taken away, and the cooling effect on the gun head is better.

Preferably, condenser tube is the heliciform around establishing in the outside of spray gun tuber pipe, condenser tube's the end of intaking passes and blocks the crown plate and extend to the sheathed tube outside of forced air cooling, condenser tube's play water end wears to establish in the sheathed tube lateral wall of forced air cooling, the sheathed tube outside of forced air cooling is equipped with the leading water pipe, the one end of leading water pipe is linked together with condenser tube's play water end, the other end of leading water pipe extends to outside the furnace.

Through adopting above-mentioned technical scheme, condenser tube can fully absorb the intraductal heat of forced air cooling cover to outside taking furnace with the intraductal heat of forced air cooling cover through the leading water pipe, cooling to forced air cooling sheathed tube inside and ventilating to the forced air cooling sheathed tube after the cooling, it is better to the cooling effect of rifle head.

Preferably, the side wall of the air cooling sleeve is internally and fixedly connected with a connecting pipe, and the water outlet end of the cooling water pipe and one end of the water diversion pipe are communicated with the connecting pipe.

Through adopting above-mentioned technical scheme, condenser tube and leading water pipe can be comparatively stable be connected, make it continuously keep the intercommunication, carry out the in-process that cools down to the rifle head, continuously arrange outside the furnace with the intraductal heat of forced air cooling sleeve, keep the high-efficient cooling to the rifle head.

Preferably, both ends of the connecting pipe are fixedly connected with butt joints, the cooling water pipe and the water conduit are inserted into the butt joints in an interference fit manner, and the outer sides of the butt joints are in threaded connection with tightening rings.

Through adopting above-mentioned technical scheme, condenser tube and leading water pipe all with the connecting pipe firm in connection, the difficult condition of taking place the disconnection to guarantee the high-efficient cooling that lasts of rifle head, and the leading water pipe can be dismantled with the connecting pipe and be connected, conveniently changes the leading water pipe.

Preferably, the cooling water pipes are provided with two groups.

Through adopting above-mentioned technical scheme, outside cooling tube can take furnace with the intraductal more heats of forced air cooling sleeve, better to the cooling effect of the intraductal air of forced air cooling sleeve to when making the intraductal air current of forced air cooling sleeve pass through the rifle head, it is better to the cooling effect of rifle head.

Preferably, four groups of cooling water pipes are arranged and are annularly and uniformly distributed on the outer side of the air pipe of the spray gun.

Through adopting above-mentioned technical scheme, the cooling water pipe can absorb the intraductal a large amount of heats of forced air cooling cover, cools down to the intraductal air of forced air cooling cover to when making the intraductal air current of forced air cooling cover rifle head, it is better to the cooling effect of rifle head.

Preferably, the air-cooled sleeve pipe outside is equipped with hair-dryer and air booster pump, the blowing pipe of hair-dryer extends to in the air intake of air booster pump, the air outlet in-connection of air booster pump has the blast pipe, the blast pipe extends to in the vent.

Through adopting above-mentioned technical scheme, wind gets into the vent with bigger wind pressure, makes the lower air of temperature flow through rifle head surface more fast in the air-cooled sleeve pipe, and is better to the cooling effect of rifle head.

Preferably, the side wall of one end of the air-cooled sleeve close to the gun head is inclined towards the gun head.

By adopting the technical scheme, the obliquely arranged air cooling sleeve can guide air, so that the air is fully contacted with the gun head. Meanwhile, the air cooling sleeve obliquely arranged can reduce the size of the air outlet, the airflow speed becomes fast, heat on the gun head can be quickly taken away, and a good cooling effect is achieved.

Preferably, the air-cooled sleeve is connected with the blocking ring plate through threads.

Through adopting above-mentioned technical scheme, the air-cooled sleeve pipe can be convenient with block ring plate and dismantle and be connected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. cold water flows in the air-cooled sleeve to absorb heat in the air-cooled sleeve and cool air in the air-cooled sleeve. The air with lower temperature in the air-cooled sleeve flows through the surface of the gun head at a higher speed, so that a large amount of heat on the surface of the gun head can be taken away, and the cooling effect on the gun head is better;

2. the cooling water pipe can fully absorb the heat in the air-cooled sleeve, and the heat in the air-cooled sleeve is brought out of the hearth through the water diversion pipe, so that the interior of the air-cooled sleeve is cooled and ventilated into the cooled air-cooled sleeve, and the cooling effect on the gun head is better;

3. wind enters the ventilation opening by larger wind pressure, so that the air with lower temperature in the air-cooled sleeve flows through the surface of the gun head more quickly, and the cooling effect on the gun head is better.

Drawings

FIG. 1 is a sectional view of a spray gun equipped with an air-cooled jacket according to example 1;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a sectional view of a spray gun with an air-cooled shroud according to example 2;

FIG. 4 is a perspective view of a spray gun with an air-cooled shroud according to example 2.

Description of reference numerals: 1. a fuel tube; 2. a spray gun air pipe; 3. a gun head; 4. an air-cooled casing; 5. a barrier ring plate; 6. a vent; 7. a cooling water pipe; 8. a water conduit; 9. a connecting pipe; 10. a butt joint port; 11. tightening the ring; 12. a blower; 13. an air booster pump; 14. and (4) exhausting the gas.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses spray gun with an air cooling sleeve.

Example 1

Referring to fig. 1, a spray gun with an air cooling sleeve comprises a fuel pipe 1, a spray gun air pipe 2 arranged outside the fuel pipe 1, and a gun head 3, wherein the fuel pipe 1 and the spray gun air pipe 2 both extend into the gun head 3.

Referring to fig. 1, an air cooling sleeve 4 is arranged on the outer side of a spray gun air pipe 2, and the diameter of the air cooling sleeve 4 is larger than the maximum diameter of a gun head 3. The outer side of one end of the spray gun air pipe 2, which is back to the gun head 3, is fixedly connected with a blocking ring plate 5, and the blocking ring plate 5 is connected with the inner wall of the air cooling sleeve 4 through threads. The side wall of one end of the air-cooled sleeve 4, which is back to the gun head 3, is provided with a vent 6. An air blower 12 and an air booster pump 13 are arranged outside the air cooling sleeve 4, a blowing pipe of the air blower 12 extends into an air inlet of the air booster pump 13, and an air outlet of the air booster pump 13 is communicated with the air vent 6 through an exhaust pipe 14.

The air blown out by the blower 12 is pressurized by the air booster pump 13 to enter the ventilation opening 6, and blows air to the inside of the air-cooled sleeve 4, and the air in the air-cooled sleeve 4 can only flow towards the gun head 3 under the blocking of the blocking ring plate 5. When the flowing air contacts with the surface of the gun head 3, the heat of the gun head 3 is taken away, and the temperature of the gun head is reduced.

Referring to fig. 1, the side wall of one end of the air-cooled sleeve 4 close to the lance tip 3 is inclined toward the lance tip 3. The air cooling sleeve 4 arranged obliquely can guide the air to make the air fully contact with the gun head 3. The size of air-cooled sleeve 4 that the slope set up simultaneously can reduce the air outlet, and the air current velocity of flow becomes fast, can be quick take away the heat on rifle head 3, plays better cooling effect.

Referring to fig. 1, two sets of cooling water pipes 7 are arranged in the air-cooled sleeve 4, the two sets of cooling water pipes 7 are both located between the air-cooled sleeve 4 and the spray gun air pipe 2, and the two sets of cooling water pipes 7 are spirally wound on the outer side of the spray gun air pipe 2. The water inlet end of the cooling water pipe 7 passes through the blocking ring plate 5 and extends to the outer side of the air cooling sleeve 4, and the water outlet end of the cooling water pipe extends into the side wall of the air cooling sleeve 4. The outer side of the air cooling sleeve 4 is provided with a water conduit 8, one end of the water conduit 8 is communicated with the water outlet end of the cooling water pipe 7, and the other end of the water conduit 8 extends to the outside of the hearth.

After cold water enters the cooling water pipe 7, the cold water flows in the air-cooling sleeve 4, absorbs heat in the air-cooling sleeve 4, and brings the heat out of the hearth along with the cold water entering the water conduit 8, so that the temperature of air in the air-cooling sleeve 4 is reduced, the temperature is lower when the air in the air-cooling sleeve 4 flows to the surface of the gun head 3, and more heat on the surface of the gun head 3 can be taken away.

Referring to fig. 2, the opposite side walls of the air-cooled casing 4 are fixedly connected with connecting pipes 9, two ends of each connecting pipe 9 are fixedly connected with butt joints 10, and the cooling water pipes 7 and the water conduits 8 are inserted into the butt joints 10 in an interference fit manner. A tightening ring 11 is screwed to the outer side of the interface 10. Because the inner space of the air cooling sleeve 4 is small and long and narrow, the air cooling sleeve 4 can be formed by two half pipes, and after the cooling water pipe 7 is inserted into the butt joint port 10 and is tightened by the tightening ring 11, the whole pipe is welded. The connecting pipe 9 and the tightening ring 11 are both beneficial to the stable connection of the cooling water pipe 7 and the water guide pipe 8, and the disassembly and the connection of the water guide pipe 8 are also convenient when the air-cooled sleeve 4 is replaced.

The implementation principle of the embodiment 1 is as follows: cold water is firstly introduced into the cooling water pipe 7, and the cold water absorbs the heat of the air in the air-cooled sleeve 4 and is taken out of the hearth in the process of flowing from the cooling water pipe 7 to the water diversion pipe 8.

Then, the blower 12 and the air booster pump 13 are started, and the air blown out by the pressurization enters the air-cooled casing 4.

The air cooled by the cold water in the air cooling sleeve 4 flows to the surface of the gun head 3 at a lower temperature, takes away a large amount of heat on the surface of the gun head 3, and cools the gun head 3.

Example 2

Referring to fig. 3 and 4, the present embodiment is different from the present embodiment in that four groups of cooling water pipes 7 are provided, and the four groups of cooling water pipes 7 are annularly and uniformly distributed outside the air duct 2 of the spray gun. The water inlet end and the water outlet end of the cooling water pipe 7 both penetrate through the side wall of the air cooling sleeve 4 and extend out of the air cooling sleeve 4, and the water outlet end of the cooling water pipe 7 extends out of the hearth.

The implementation principle of the embodiment 2 is as follows: cold water is firstly introduced into the cooling water pipe 7, and in the process that the cold water flows from the inside of the air-cooling sleeve 4 to the outside of the hearth, the heat of the air in the air-cooling sleeve 4 is absorbed and taken away, and the temperature of the air in the air-cooling sleeve 4 is reduced.

The air in the air-cooled sleeve 4 flows to the surface of the gun head 3 at a lower temperature after being cooled by cold water, and takes away a large amount of heat on the surface of the gun head 3 to cool the gun head 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an install air-cooled sheathed tube spray gun additional, includes fuel pipe (1), spray gun tuber pipe (2) and rifle head (3), fuel pipe (1) is located inside spray gun tuber pipe (2), fuel pipe (1) all extends to rifle head (3) with spray gun tuber pipe (2) in, the outside of spray gun tuber pipe (2) is equipped with air-cooled sleeve pipe (4), its characterized in that: the diameter of the air cooling sleeve (4) is larger than the maximum diameter of the gun head (3), the spray gun air pipe (2) is back to the outer side of one end of the gun head (3) and is fixedly connected with a blocking ring plate (5), the inner wall of the air cooling sleeve (4) is attached to the outer wall of the blocking ring plate (5), a vent (6) is formed in one end side wall, close to the blocking ring plate (5), of the air cooling sleeve (4), a cooling water pipe (7) is arranged in the air cooling sleeve (4), and the cooling water pipe (7) is located between the air cooling sleeve (4) and the spray gun air pipe (2).

2. The spray gun with the air-cooled sleeve as claimed in claim 1, wherein: condenser tube (7) are the heliciform around establishing in the outside of spray gun tuber pipe (2), the end of intaking of condenser tube (7) passes and blocks the outside that crown plate (5) extended to air-cooled sleeve pipe (4), the play water end of condenser tube (7) is worn to establish in the lateral wall of air-cooled sleeve pipe (4), the outside of air-cooled sleeve pipe (4) is equipped with leading water pipe (8), the one end of leading water pipe (8) is linked together with the play water end of condenser tube (7), the other end of leading water pipe (8) extends to outside the furnace.

3. The spray gun with the air-cooled sleeve as claimed in claim 2, wherein: the air-cooled water pipe is characterized in that a connecting pipe (9) is fixedly connected in the side wall of the air-cooled sleeve (4), and the water outlet end of the cooling water pipe (7) and one end of the water diversion pipe (8) are communicated with the connecting pipe (9).

4. The air-cooled double-pipe-mounted spray gun as claimed in claim 3, wherein: the two ends of the connecting pipe (9) are fixedly connected with butt joints (10), the cooling water pipe (7) and the water conduit (8) are inserted into the butt joints (10) in an interference fit mode, and the outer sides of the butt joints (10) are in threaded connection with tightening rings (11).

5. The air-cooled double-pipe-mounted spray gun as claimed in claim 4, wherein: two groups of cooling water pipes (7) are arranged.

6. The spray gun with the air-cooled sleeve as claimed in claim 1, wherein: the cooling water pipes (7) are provided with four groups, and the four groups of cooling water pipes (7) are annularly and uniformly distributed on the outer side of the spray gun air pipe (2).

7. The spray gun with the air-cooled sleeve as claimed in claim 1, wherein: the air-cooled double-pipe blower is characterized in that an air blower (12) and an air booster pump (13) are arranged on the outer side of the air-cooled double-pipe blower (4), a blowpipe of the air blower (12) extends into an air inlet of the air booster pump (13), an exhaust pipe (14) is connected in an air outlet of the air booster pump (13), and the exhaust pipe (14) extends into a vent opening (6).

8. The spray gun with the air-cooled sleeve as claimed in claim 1, wherein: and the side wall of one end of the air cooling sleeve (4) close to the gun head (3) is obliquely arranged towards the gun head (3).

9. The spray gun with the air-cooled sleeve as claimed in claim 1, wherein: the air cooling sleeve (4) is connected with the blocking ring plate (5) through threads.