CN211800000U - Automatic concertina type denitration spray gun - Google Patents
Automatic concertina type denitration spray gun Download PDFInfo
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- CN211800000U CN211800000U CN202020439542.XU CN202020439542U CN211800000U CN 211800000 U CN211800000 U CN 211800000U CN 202020439542 U CN202020439542 U CN 202020439542U CN 211800000 U CN211800000 U CN 211800000U
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Abstract
The utility model relates to an automatic concertina type denitration spray gun, be provided with the spray gun main part of shower nozzle including installation pipe and front end, the spray gun main part is assembled in the installation pipe along installation pipe axial direction guide movement, be provided with the telescoping device who is used for driving the spray gun main part along installation pipe axial reciprocating motion between installation pipe and the spray gun main part, the front end bottom of installation pipe articulates there is the tube cap, the setting is extended along controlling the direction to the articulated axis of tube cap, be provided with the tube cap reset spring that forces the tube cap upset up between installation pipe and the tube cap, the front end upper side of installation pipe be used for with the cooperation of tube cap stopper in order to restrict the tube cap upset limit up, be provided with on the shower nozzle and be used for the top push the shower nozzle top portion of tube cap left side so that the tube cap upset. The utility model provides a during the shower nozzle withdrawal among the prior art, the technical problem of high temperature flue gas still can contact damage shower nozzle.
Description
Technical Field
The utility model relates to an automatic concertina type denitration spray gun among denitration device.
Background
The denitration spray gun is a key device in the denitration process, and is widely applied to the denitration processes of cement plants, thermal power plants using circulating fluidized bed boilers, waste incineration plants and the like.
The denitration spray gun is usually installed at the outlet of a hearth, when the composite emission standard of flue gas in the furnace is met, the denitration spray gun does not need to continue to work, and at the moment, in order to avoid the denitration spray gun from being still washed by high-temperature flue gas in the furnace, the denitration spray gun is usually set to be capable of realizing an automatic telescopic structure. The utility model discloses a "denitration spray gun" as chinese CN208591707U discloses, this denitration spray gun includes the installation pipe of compriseing buried tube and sleeve pipe, has worn the spray gun main part in the installation pipe, is used for driving the telescoping device of spray gun main part along installation pipe axial reciprocating motion on the installation pipe, and the one end of spray gun main part is connected with the shower nozzle, and the other one end welded fastening of spray gun main part has air inlet pipe connector and inlet pipe connector.
When the device is used, the compressed air pipe is connected with the air inlet pipe joint, the ammonia solution pipe is connected with the liquid inlet pipe joint, the telescopic device drives the spray gun main body and the spray head to extend into the hearth, the ammonia solution is sprayed into the hearth through the spray head, and when the smoke in the furnace is subjected to a composite emission standard, the telescopic device obtains the spray gun main body and the spray head to move outwards. The existing denitration spray gun has the problems that: the installation angles of the air inlet pipe joint and the liquid inlet pipe joint relative to the spray gun main body cannot be adjusted and cannot be met, and the spray gun is limited in operation space and used in occasions with requirements on the installation angles of a compressed air pipe and an ammonia solution pipe; in addition, when the denitration spray gun is not needed to be used, although the spray head is retracted into the installation pipe, the high-temperature flue gas can still be in contact with the spray head, damage is caused to the spray head, and the service life of the spray head is influenced.
Disclosure of Invention
An object of the utility model is to provide an automatic concertina type denitration spray gun to when solving among the prior art shower nozzle withdrawal, the technical problem of shower nozzle is damaged still can be contacted to the high temperature flue gas.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides an automatic concertina type denitration spray gun, including installation pipe and the spray gun main part that the front end was provided with the shower nozzle, the spray gun main part is along installation pipe axial direction removal assembly in the installation pipe, be provided with the telescoping device who is used for driving the spray gun main part along installation pipe axial reciprocating motion around between installation pipe and the spray gun main part, the front end bottom of installation pipe articulates there is the tube cap, the articulated axis of tube cap extends the setting along left and right directions, be provided with the tube cap reset spring that forces the tube cap to overturn up between installation pipe and the tube cap, the front end upper side of installation pipe is used for cooperating with the tube cap stopper in order to restrict the tube cap upset limit up, be provided with on the shower nozzle and be used for pushing up the shower nozzle top portion that the tube cap left side was so.
The tube cover reset spring is a tube cover reset torsion spring.
The outer contour of the spray head is a cone-tip structure with the diameter gradually increasing from front to back, and the cone-tip part of the spray head forms the spray head pushing part.
The utility model has the advantages that: when the spray head moves from back to front, the spray head pushing part pushes the pipe cover, the pipe cover turns downwards to open the front end pipe orifice of the installation pipe, the spray head can smoothly extend out of the installation pipe, and corresponding spraying denitration operation is carried out, so that denitration operation of flue gas is realized. When denitration operation is not needed, the telescopic device drives the spray gun main body and the spray head to move backwards, the spray head retracts into the installation pipe, after the spray gun main body and the spray head are not blocked, the pipe cover automatically resets upwards and turns over under the action of the pipe cover reset spring until the upper end of the pipe cover is blocked by the upper side of the front end of the installation pipe, the pipe orifice of the installation pipe is blocked, and high-temperature smoke is prevented from contacting with the spray head to continuously damage the spray head.
Drawings
Fig. 1 is a state diagram of the use of an embodiment of the present invention;
FIG. 2 is a schematic view of the sprayer head of FIG. 1 after retraction;
fig. 3 is a schematic view of the intake pipe joint and ball joint structure of fig. 1.
Detailed Description
An embodiment of an automatic telescopic denitration spray gun is shown in figures 1-3: the spray gun comprises an air inlet pipe joint 13, a liquid inlet pipe joint 11, a mounting pipe 6 and a spray gun body 9 with a spray head 2 arranged at the front end, wherein the spray gun body 9 is arranged in the mounting pipe 6 in a penetrating manner, and the mounting pipe 6 is mounted on a furnace wall 4 during use. The installation pipe 6 is provided with a telescopic device for driving the spray gun main body to move back and forth along the axial direction of the installation pipe, in the embodiment, the telescopic device comprises a cylinder 5 fixed on the installation pipe, and a piston rod 7 of the cylinder is connected with the spray gun main body 9 through a connecting plate 8.
The bottom of the front end of the installation pipe 6 is hinged with the pipe cover 3, the hinge axis of the pipe cover extends along the left-right direction, so that the pipe cover can be relatively overturned from top to bottom, a pipe cover reset spring for forcing the pipe cover to overturn upwards is arranged between the installation pipe and the pipe cover, and the pipe cover reset spring in the embodiment is a pipe cover reset torsion spring. The outer contour of the spray head is a cone-tip structure with the diameter gradually increasing from front to back, and a spray head pushing part 1 used for pushing the left side of the pipe cover is formed at the cone tip part of the spray head. When the shower nozzle was moved by back to preceding, shower nozzle top push portion 1 pushed away the tube cap, and the tube cap turns over down and opens the front end mouth of pipe of installation pipe, and the shower nozzle can be smooth stretch out in by the installation pipe, and carries out corresponding denitration operation that sprays, realizes the denitration operation to the flue gas. When denitration operation is not needed, the telescopic device drives the spray gun main body and the spray head to move backwards, the spray head retracts into the installation pipe, and after the spray gun main body and the spray head are not blocked, the pipe cover automatically resets upwards and turns over under the action of the pipe cover reset torsion spring until the upper end of the pipe cover 3 is blocked by the upper side of the front end of the installation pipe. The pipe orifice of the installation pipe 6 is blocked, and the high-temperature flue gas is prevented from contacting the spray head 2 and continuing to damage the spray head.
The air inlet pipe joint 13 and the liquid inlet pipe joint 11 are respectively connected with the spray gun main body through respective corresponding spherical hinge structures, the two spherical hinge structures are the same, only the spherical hinge structure between the air inlet pipe joint and the spray gun main body is explained in detail, the spherical hinge structure comprises a ball seat and a ball head 22 matched with the ball seat in a rotating and sealing mode, the air inlet pipe joint 13 is fixed on the ball head 22, a ball head inner channel 14 communicating the air inlet pipe joint 13 with an inner cavity of the spray gun main body is arranged in the ball head 22, a ball head avoiding hole 24 for avoiding the ball head is formed in the spray gun main body, and a ball head spray pipe 23 communicated with the ball head inner channel and used for extending into the spray gun main body through. The ball seat includes an upper ball seat 19 connected with the spray gun body 9 by a first bolt 18 and a lower ball seat 16 connected with the upper ball seat 19 by a second bolt 17, and the ball groove includes an upper ball groove provided on the upper ball seat and a lower ball groove provided on the lower ball seat. A first sealing ring 20 is arranged between the upper side ball seat and the spray gun main body, and a second sealing ring 21 is arranged between the lower side ball seat and the upper side ball seat. A ball head jacking screw 15 for jacking the ball head after the rotation angle of the air pipe joint is adjusted is connected to the lower ball seat in a threaded manner.
This is novel when using, at first loosen bulb top tight screw, the bulb can rotate the adjustment by relative ball seat this moment, consequently can adjust admission line joint and feed liquor union coupling to suitable installation angle, in order to satisfy being connected of intake-tube connector 13 and intake pipe 12 under the multiple operating mode, feed liquor union coupling 11 and feed liquor pipe 10, after intake pipe and intake-tube connector connection, the feed liquor union coupling back, can also continue to rotate the bulb, the angle of bulb spray tube can be adjusted this moment, when the axis of bulb spray tube perpendicular to spray gun main part, high-pressure gas and ammonia liquid enter into the loss of pressure in the spray gun main part great, for the pressure that improves shower nozzle department, the angle of bulb spray tube can be adjusted as far as possible, the axis of messenger's bulb spray tube is less better with the axis contained angle of spray gun main part. After the angle adjustment of the ball nozzle is in place, the ball head is screwed down to jack the screw, so that the ball head can be fixed.
Claims (3)
1. The utility model provides an automatic concertina type denitration spray gun, is provided with the spray gun main part of shower nozzle including installation pipe and front end, and the spray gun main part is assembled in the installation pipe along installation pipe axial direction guide movement, is provided with between installation pipe and the spray gun main part to be used for driving the telescoping device of spray gun main part along installation pipe axial reciprocating motion, its characterized in that: the bottom of the front end of the installation pipe is hinged with a pipe cover, the hinged axis of the pipe cover extends in the left-right direction, a pipe cover reset spring for forcing the pipe cover to turn upwards is arranged between the installation pipe and the pipe cover, the upper side of the front end of the installation pipe is used for being matched with the pipe cover in a stop mode to limit the upward turning limit of the pipe cover, and a spray head pushing portion for pushing the left side of the pipe cover to enable the pipe cover to turn downwards is arranged on the spray head.
2. The automatic telescopic type denitration lance of claim 1, wherein: the tube cover reset spring is a tube cover reset torsion spring.
3. The automatic telescopic type denitration lance of claim 1, wherein: the outer contour of the spray head is a cone-tip structure with the diameter gradually increasing from front to back, and the cone-tip part of the spray head forms the spray head pushing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439542.XU CN211800000U (en) | 2020-03-31 | 2020-03-31 | Automatic concertina type denitration spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439542.XU CN211800000U (en) | 2020-03-31 | 2020-03-31 | Automatic concertina type denitration spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211800000U true CN211800000U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020439542.XU Active CN211800000U (en) | 2020-03-31 | 2020-03-31 | Automatic concertina type denitration spray gun |
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| CN (1) | CN211800000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979401A (en) * | 2021-12-06 | 2022-01-28 | 尹浩霖 | Integrated positioning and guiding device for oiling device |
| CN115090436A (en) * | 2022-06-28 | 2022-09-23 | 中国矿业大学 | High-pressure direction-changeable spray head for experiment and spraying method |
-
2020
- 2020-03-31 CN CN202020439542.XU patent/CN211800000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979401A (en) * | 2021-12-06 | 2022-01-28 | 尹浩霖 | Integrated positioning and guiding device for oiling device |
| CN115090436A (en) * | 2022-06-28 | 2022-09-23 | 中国矿业大学 | High-pressure direction-changeable spray head for experiment and spraying method |
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