CN213222799U - Automatic flexible spray gun of double-fluid - Google Patents
Automatic flexible spray gun of double-fluid Download PDFInfo
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- CN213222799U CN213222799U CN202020706468.3U CN202020706468U CN213222799U CN 213222799 U CN213222799 U CN 213222799U CN 202020706468 U CN202020706468 U CN 202020706468U CN 213222799 U CN213222799 U CN 213222799U
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Abstract
The utility model particularly relates to a pressure change direct drive nozzle flexible high temperature resistant atomizing spray gun through atomizing medium, which comprises a spray gun, the main flange, reset spring, floating piston, built-in sealing mechanism, connecting pipe I, spacing pipe of spring direction and inlet tube, the spray gun includes the interior rifle body and the outer rifle body, the rifle head includes nozzle and nozzle holder, still be provided with the intake pipe on the outer rifle body, still be provided with connecting pipe II in the rifle body, II covers of connecting pipe are established on connecting pipe I, the one end seal installation of connecting pipe II just communicates with the nozzle on the nozzle holder, the other end is installed on floating piston, import III in still being provided with on connecting pipe II, during the spraying, gas is in III entering connecting pipe II through interior import. The utility model provides an automatic flexible spray gun of double-fluid, whole spray gun simple structure, the difficult jam of nozzle, long service life.
Description
Technical Field
The utility model relates to a double-fluid automatic telescopic spray gun of a blast furnace gas cooling and purifying system, in particular to a high-temperature resistant atomizing spray gun which directly drives a nozzle to stretch through the pressure change of an atomizing medium.
Background
With the application of dry dedusting to blast furnaces in metallurgical industry, the protection of a bag-type dust collector through water atomization cooling at the top of the blast furnace becomes the most important guarantee measure, an atomization spray gun is used as a core component of an atomization cooling system, a fixed nozzle mode is mostly adopted in the past, and due to the influence of the severe environment of high temperature and high dust in the blast furnace, pressure gas must be fed online for a long time to perform anti-blocking blowing protection on the atomization spray nozzle, the mode cannot fundamentally solve the problem of spray gun blockage, and high gas consumption is needed during operation and use, which is always a difficult problem in the industry. In addition, under the high-dust and high-temperature environment of blast furnace gas, how to realize the blockage prevention and the thermal deformation prevention of the atomizing spray gun which is the core component of the atomizing system has important significance on ensuring the safety of furnace temperature overrun during production and cooling during a blast furnace material control line and the reliability of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide an automatic flexible stifled spray gun of preventing of double-fluid, this spray gun structure is through floating piston of atomizing medium direct drive, and the spray gun during operation, the nozzle is automatic to be stretched out, and aqueous medium gets into from the inlet tube, and gaseous medium gets into from the intake pipe, and spout after nozzle department mixes, and the end during operation, the nozzle is automatic withdrawal to the rifle internal under reset spring's effect, and the nozzle is difficult for blockking up, damaging.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a double-fluid automatic telescopic spray gun comprises a spray gun body, a main flange, a reset spring, a floating piston, a built-in sealing mechanism, a connecting pipe I, a spring guide limiting pipe and a water inlet pipe, wherein the spray gun body comprises an inner gun body and an outer gun body, the gun head comprises a nozzle and a nozzle seat, the inner gun body is connected with the outer gun body through the main flange, one end of the connecting pipe I is connected with the built-in sealing mechanism, the other end of the connecting pipe I is connected with the nozzle, the connecting pipe I penetrates through the floating piston, the reset spring, the spring guide limiting pipe and the main flange, the water inlet pipe is connected with the built-in sealing mechanism, the water inlet pipe is led out of the outer gun body, the outer gun body is also provided with a gas inlet pipe, the connecting pipe II is also arranged in the gun body and is sleeved on the connecting pipe I, one end of the connecting pipe II is hermetically arranged, during spraying, gas enters the connecting pipe II through the inner inlet III.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further, still include rifle head closing cap mechanism.
Specifically, the gun head capping mechanism comprises a capping head and a connecting rod pin, one end face of the capping head is hinged to the gun body, the other end face of the capping head is hinged to the nozzle seat through the connecting rod pin, when the connecting rod pin moves inwards along with the nozzle seat, the capping head seals the inner gun body, and otherwise, the inner gun body is opened.
And the spring guide limiting pipe is sleeved on the connecting pipe II and is positioned between the main flange and the floating piston.
Furthermore, the floating piston comprises a plurality of frustum-structured piston sheets and a piston head, the piston head is fixedly connected with the connecting pipe I, the connecting pipe I penetrates through the center of each frustum-structured piston sheet, and a flexible filler is wound between each frustum-structured piston sheet and the piston head.
Further, built-in sealing mechanism include valve support, valve pipe, spring, combination case, and the valve support is fixed to be set up, and the valve pipe is fixed on the valve support and its other pot head is established on connecting pipe I and connecting pipe I can remove for the valve pipe, and the combination case passes through the spring and installs on the valve support and the intraduct of valve is provided with the spacing tang of combination case, and the end processing of I this end of connecting pipe has sealed face.
Furthermore, the valve pipe is also provided with a vent hole which is arranged on the valve pipe and corresponds to the position of the spring.
Furthermore, flexible filler is wound between the nozzle seat and the inner wall of the gun body.
The utility model provides a two-fluid automatic telescopic spray gun, this spray gun structure directly drives a floating piston through the atomizing medium, makes the nozzle stretch out work, when stopping work, the floating piston moves under the effect of reset spring, drives the nozzle and withdraws in the rifle body, plays the protective action to the nozzle; on the other hand, the gas channel and the water inlet channel are integrated on the outer gun body, and the gas-water medium is mixed at the nozzle and then sprayed out, so that the spraying effect is better, and the whole spray gun is simple in structure; the arranged gun head capping mechanism can protect the nozzle in the gun body when the nozzle does not work, and the nozzle is not easy to block and damage; the end cover in the gun head sealing mechanism is fixed in a hinged mode and sealed in a turnover mode, and compared with the existing protection mode that the end cover is pulled by a connecting rod to be sealed, the end cover is sealed more tightly in the hinged mode, and the condition that the end cover is not tight due to the fact that the pull rod cannot be pulled to the right position is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a water inlet pipe 1, a first inner inlet 2, a valve support 3, a second inner inlet 4, an outer gun body 5, a piston head 6, a piston plate 7, an air inlet pipe 8, a spring guide limiting pipe 9, a main flange 10, a connecting pipe II 11, a guide sleeve 12, an inner gun body 13, a capping head 15, a connecting rod pin 16, a nozzle 17, a nozzle seat 18, a return spring 20, an inner inlet III 21, a connecting pipe I22, a valve pipe 24, a combined valve core 25 and a spring 26.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, a double-fluid automatic telescopic spray gun comprises a spray gun, a main flange 10, a return spring 20, a floating piston, a built-in sealing mechanism, a connecting pipe I22, a spring guide limiting pipe 9 and a water inlet pipe 1, wherein the spray gun comprises an inner gun body 13 and an outer gun body 5, the gun head comprises a nozzle 17 and a nozzle seat 18, the inner gun body 13 is connected with the outer gun body 5 through the main flange 10, one end of the connecting pipe I22 is connected with the built-in sealing mechanism, the other end of the connecting pipe I22 is connected with the nozzle 17, the connecting pipe I22 penetrates through the floating piston, the return spring 20, the spring guide limiting pipe 9 and the main flange 10, the water inlet pipe 1 is connected with the built-in sealing mechanism, the water inlet pipe 1 is led out from the outer gun body 5, an air inlet pipe 8 is further arranged on the outer gun body 5, the connecting pipe II 11 is further arranged in the gun body, the connecting pipe II 11 is sleeved on, the other end is arranged on the floating piston, an inner inlet III 21 is also arranged on the connecting pipe II 11, and during spraying, gas enters the connecting pipe II 11 through the inner inlet III 21.
The automatic flexible spray gun of two fluids that this embodiment provided still includes rifle head closing cap mechanism.
Specifically, the gun head capping mechanism comprises a capping head 15 and a connecting rod pin 16, one end face of the capping head 15 is hinged to the gun body, the other end face of the capping head 15 is hinged to a nozzle seat 18 through the connecting rod pin 16, when the connecting rod pin 16 moves inwards along with the nozzle seat 18, the capping head 15 seals the inner gun body 13, and otherwise, the inner gun body 13 is opened.
The double-fluid automatic telescopic spray gun provided by the embodiment further comprises a guide sleeve 12, the guide sleeve 12 is fixedly installed on the inner wall of the gun body, the connecting pipe II 11 penetrates through the guide sleeve 12, and the guide sleeve 12 plays a role in guiding the connecting pipe II 11; the spring guide limiting pipe 9 is sleeved on the connecting pipe II 11 and is located between the main flange 10 and the floating piston, the spring guide limiting pipe 9 can be fixed on the main flange 10 or not, the main flange 10 and the floating piston are movably arranged, and the spring guide limiting pipe can play a role in limiting the floating piston.
In this embodiment, the floating piston includes a plurality of frustum-structured piston pieces 7 and a piston head 6, the piston head 6 is fixedly connected with a connecting pipe i 22, the connecting pipe i 22 passes through the center of the frustum-structured piston piece 7, and a flexible packing is wound between each frustum-structured piston piece 7 and the piston head 6 for sealing.
The built-in sealing mechanism comprises a valve support 3, a valve pipe 24, a spring 26 and a combined valve core 25, wherein the valve support 3 is fixed on the water inlet pipe 1, the valve pipe 24 is fixed on the valve support 3, the other end of the valve pipe 24 is sleeved on the connecting pipe I22, the connecting pipe I22 can move relative to the valve pipe 24, the other end of the valve pipe 24 is fixed on the valve support 3, the valve support 3 is fixed at the end part of the water inlet pipe 1, the combined valve core 25 is arranged on the valve support 3 through the spring 26, a combined valve core limiting spigot is arranged in the valve pipe 24, a sealing surface is processed at the end head of the end, when the spray gun does not work, the connecting pipe I22 abuts against the combined valve core 25 to form a sealing structure, when the spray gun works, the connecting pipe I22 is separated from the combined valve core 25 under the action of the floating piston, and the water medium enters the connecting pipe I22 through the second inner inlet 4 on the valve pipe 24 and is finally sprayed out of the spray gun.
In this embodiment, the valve tube 24 is further provided with a vent hole, and the vent hole is disposed on the valve tube 24 at a position corresponding to the spring 26, and is used for preventing the pressure in the area where the spring 26 is located in the valve tube 24 from affecting the normal operation of the spring 26.
In this embodiment, a flexible filler is wound between the nozzle holder 18 and the inner wall of the gun body.
The working principle of the double-fluid automatic telescopic spray gun is as follows: when an aqueous medium with certain pressure enters from a spray gun water inlet pipe 1 and enters an outer gun body 5 through a first inner inlet 2 on a water inlet pipe I to push a floating piston to move towards a sealing cover head 15, the flexible filler 23 of the floating piston ensures the sealing of two sides of the piston under the action of the medium pressure and the reverse elasticity of a return spring 20, the maximum elasticity setting value of the spray gun return spring is smaller than the minimum thrust of the piston, the floating piston drives a connecting pipe I22, a nozzle seat 18 and a nozzle 17 to move to a certain position along a guide sleeve 12, the sealing cover head 15 is turned upwards under the action of a connecting rod pin 16 to leak out the nozzle 17, after the floating piston moves to the certain position continuously, a combined valve core 25 is separated from the sealing surface of the connecting pipe I22, the aqueous medium enters from the spray gun through a second inner inlet 4, a valve pipe 24, the connecting pipe I22 and the nozzle seat 18, and the air medium enters from the spray, The outer gun body 5 and the nozzle seat 18 enter the nozzle 17 (a sealed space is formed between the main flange 10 and the floating piston), the atomizing mechanism carries out atomizing cooling to the blast furnace through the nozzle 17, when the spray gun stops working, due to the fact that pressure of atomizing media is eliminated, the nozzle 17, the nozzle seat 18, the connecting pipe I22 and the floating piston automatically reset under the pushing of the reset spring 20, the nozzle 18 retracts into the inner gun body 13, the combined valve core 25 is closed, and when the combined valve core is reset to a certain position, the sealing cover head 15 seals the inner gun body 13 under the pulling of the connecting rod pin 16.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A double-fluid automatic telescopic spray gun comprises a spray gun, a main flange (10), a reset spring (20), a floating piston, a built-in sealing mechanism, a connecting pipe I (22), a spring guide limiting pipe (9) and a water inlet pipe (1), wherein the spray gun comprises an inner gun body (13) and an outer gun body (5), the gun head comprises a nozzle (17) and a nozzle seat (18), the inner gun body (13) is connected with the outer gun body (5) through the main flange (10), one end of the connecting pipe I (22) is connected with the built-in sealing mechanism, the other end of the connecting pipe I (22) is connected with the nozzle (17), the connecting pipe I (22) penetrates through the floating piston, the reset spring (20), the spring guide limiting pipe (9) and the main flange (10), the water inlet pipe (1) is connected with the built-in sealing mechanism, and the water inlet pipe (1) is led out from the outer gun body (5), and is characterized in that an air inlet pipe, still be provided with connecting pipe II (11) in the rifle body, connecting pipe II (11) cover is established on connecting pipe I (22), and the one end seal installation of connecting pipe II (11) is on nozzle block (18) and communicate with nozzle (17), and the other end is installed on the piston that floats, still is provided with interior import III (21) on connecting pipe II (11), and during the spraying, gas enters into connecting pipe II (11) through interior import III (21).
2. The dual fluid automatic retraction spray gun of claim 1 further including a gun tip capping mechanism.
3. A dual fluid automatic telescopic spray gun according to claim 2, characterized in that the gun head capping mechanism comprises a capping head (15) and a connecting rod pin (16), one end face of the capping head (15) is hingedly mounted on the gun body, the other end face is hingedly mounted on the nozzle holder (18) through the connecting rod pin (16), and the capping head (15) closes the inner gun body (13) when the connecting rod pin (16) moves inwardly with the nozzle holder (18), and otherwise opens the inner gun body (13).
4. The two-fluid automatic telescopic spray gun according to claim 1, further comprising a guide sleeve (12), wherein the guide sleeve (12) is fixedly installed on the inner wall of the gun body, and the spring guide limiting pipe (9) is sleeved on the connecting pipe II (11) and is located between the main flange (10) and the floating piston.
5. The double-fluid automatic telescopic spray gun according to claim 1, wherein the floating piston comprises a plurality of frustum-structured piston sheets (7) and piston heads (6), the piston heads (6) are fixedly connected with the connecting pipe I (22), the connecting pipe I (22) penetrates through the centers of the frustum-structured piston sheets (7), and flexible packing is wound between each frustum-structured piston sheet (7) and each piston head (6).
6. The two-fluid automatic telescopic spray gun according to claim 1, wherein the built-in sealing mechanism comprises a valve support (3), a valve pipe (24), a spring (26) and a combined valve core (25), the valve support (3) is fixedly arranged, the valve pipe (24) is fixed on the valve support (3), the other end of the valve pipe is sleeved on the connecting pipe I (22), the connecting pipe I (22) can move relative to the valve pipe (24), the combined valve core (25) is installed on the valve support (3) through the spring (26), a combined valve core limiting spigot is arranged inside the valve pipe (24), and a sealing surface is processed at the end of the connecting pipe I (22) to form sealing through the valve pipe (24) and the combined valve core (25).
7. A dual fluid automatic telescopic spray gun according to claim 6, characterized in that the valve tube (24) is further provided with a vent hole, which is provided on the valve tube (24) at a position corresponding to the spring (26).
8. A two-fluid automatic telescopic spray gun according to claim 1, characterized in that a flexible packing is wound between the nozzle holder (18) and the inner wall of the gun body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706468.3U CN213222799U (en) | 2020-04-30 | 2020-04-30 | Automatic flexible spray gun of double-fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706468.3U CN213222799U (en) | 2020-04-30 | 2020-04-30 | Automatic flexible spray gun of double-fluid |
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| Publication Number | Publication Date |
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| CN213222799U true CN213222799U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020706468.3U Active CN213222799U (en) | 2020-04-30 | 2020-04-30 | Automatic flexible spray gun of double-fluid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430312A (en) * | 2021-06-28 | 2021-09-24 | 中冶赛迪工程技术股份有限公司 | Automatic anti-blocking spray gun device for online maintenance and setting method of online spray gun |
| CN117070689A (en) * | 2023-08-15 | 2023-11-17 | 秦皇岛天沐冶金机械设备制造有限公司 | Anti-blocking atomization water cooling device for blast furnace |
-
2020
- 2020-04-30 CN CN202020706468.3U patent/CN213222799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430312A (en) * | 2021-06-28 | 2021-09-24 | 中冶赛迪工程技术股份有限公司 | Automatic anti-blocking spray gun device for online maintenance and setting method of online spray gun |
| CN117070689A (en) * | 2023-08-15 | 2023-11-17 | 秦皇岛天沐冶金机械设备制造有限公司 | Anti-blocking atomization water cooling device for blast furnace |
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