CN210121422U - Spray gun capable of being replaced online - Google Patents
Spray gun capable of being replaced online Download PDFInfo
- Publication number
- CN210121422U CN210121422U CN201921961488.9U CN201921961488U CN210121422U CN 210121422 U CN210121422 U CN 210121422U CN 201921961488 U CN201921961488 U CN 201921961488U CN 210121422 U CN210121422 U CN 210121422U
- Authority
- CN
- China
- Prior art keywords
- water supply
- supply pipe
- inner sleeve
- spray gun
- flange plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a spray gun that can change on line, it comprises shower nozzle, delivery pipe, interior sleeve pipe, knife gate valve, outer tube, ring flange. The inner sleeve is fixed on the inner wall of the equipment, the end part of the inner sleeve, which is exposed out of the equipment, is connected with the knife gate valve through a bolt, the other end face of the knife gate valve is connected with one end of the outer sleeve through a bolt, and the other end of the outer sleeve is connected with the flange plate through a bolt. The disc surface of the flange plate is provided with a through hole through which a water supply pipe can pass; the water supply pipe passes through the flange plate, the outer sleeve and the knife gate valve and is inserted into the inner sleeve; the spray head is arranged at the end part of the water supply pipe inserted into the inner sleeve; a gap which can spray the liquid sprayed by the spray head into the equipment is arranged at the position of the inner sleeve pipe opposite to the spray head. The utility model discloses can realize need not to shut down, overhaul the spray gun on line, and safe and reliable, facilitate for the routine maintenance of enterprise, save maintenance time for the enterprise, increase the effectual activity duration of enterprise, reduce the production loss of bringing for the enterprise because of overhauing.
Description
Technical Field
The utility model relates to a spray gun installed on a blast furnace gas desulfurization and dechlorination spray tower, in particular to a spray gun which can be replaced on line.
Background
The blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process, has large output and wide application, and can be used as a fuel for a power plant boiler, an iron-making plant hot blast stove and a steel-making plant heating furnace. The main components of the blast furnace gas are CO, CO2, N2 and a small amount of sulfide and CL-. Because blast furnace gas generated in the blast furnace ironmaking process is directly used as fuel of a power plant boiler, an iron-making plant hot blast stove and a steel-making plant heating furnace after being subjected to dry dedusting and purifying treatment, the corrosion problem of a gas conveying pipeline is very prominent, the problems of perforation, gas leakage and the like of the pipeline are serious, and great burden and threat are brought to the equipment maintenance and production safety of the pipeline and a gas user, so that the blast furnace gas needs to be subjected to dechlorination and desulfurization treatment.
The spray tower is a main device in a blast furnace gas desulfurization and dechlorination treatment system, generally, a plurality of spray guns are installed in the spray tower, and a specific medium (such as alkaline water, softened water or other media) is sprayed into the spray tower through the spray guns and is used for neutralization reaction with sulfur ions and chloride ions in the blast furnace gas, so as to achieve the purpose of desulfurization and dechlorination of the blast furnace gas.
Because blast furnace gas still contains a small amount of impurity, at the in-process that the spray gun sprayed, its shower nozzle was often blockked up, because be full of harmful gas in the spray column again, in order to prevent that harmful gas from leaking, often need shut down, put the gas in the tower clean, carry out the spray gun and overhaul again, greatly influenced enterprise's normal production and operation.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is an object of the present invention to provide an on-line replaceable spray gun. The spray gun can realize online maintenance, does not need to be stopped, is safe and reliable, provides convenience for daily maintenance of enterprises, saves maintenance time for the enterprises, increases the effective operation time of the enterprises, and reduces the production loss caused by maintenance.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a spray gun capable of being replaced on line is composed of a spray head, a water supply pipe, an inner sleeve, a knife gate valve, an outer sleeve and a flange plate;
the inner sleeve is fixed on the inner wall of the equipment, the end part of the inner sleeve, which is exposed out of the equipment, is connected with the knife gate valve through a bolt, the other end face of the knife gate valve is connected with one end of the outer sleeve through a bolt, and the other end of the outer sleeve is connected with the flange plate through a bolt;
the disc surface of the flange plate is provided with a through hole through which the water supply pipe can pass;
the water supply pipe penetrates through the flange plate, the outer sleeve and the knife gate valve and is inserted into the inner sleeve;
the spray head is arranged at the end part of the water supply pipe inserted into the inner sleeve; and a notch which can spray liquid sprayed from the spray head into the equipment is arranged at the position of the inner sleeve pipe, which is opposite to the spray head.
The utility model discloses in the preferred embodiment the welding has a seal box around the ring flange quotation through-hole, is filled with in this seal box to be used for the shutoff the delivery pipe with the sealing material in gap between the through-hole on the ring flange quotation.
In the preferred embodiment of the present invention, the on-line replaceable spray gun further comprises a water supply pipe fixing clamp plate; the water supply pipe fixing clamp plate is provided with a through hole, and the water supply pipe penetrates through the water supply pipe fixing clamp plate, the flange plate and the outer sleeve to be inserted into the inner sleeve; the water supply pipe fixing clamp plate is connected with the flange plate through a stud.
In the preferred embodiment of the present invention, a water supply valve is further disposed on the water supply pipe.
When the spray head is blocked, closing a water supply pipe valve of the spray gun, and disconnecting an external water pipeline; the stud on the fixing clamp plate of the spray gun water supply pipe is dismounted, so that the spray gun water supply pipe is separated from the flange plate, and the spray gun water supply pipe is pulled outwards; when the spray head moves to the knife gate valve, the knife gate valve is closed, the flange plate is dismounted, and the spray gun is dismounted and overhauled. After the overhaul is finished, the flange plate is installed, then the knife gate valve is opened, the spray gun water supply pipe with the spray head is inserted inwards, when the spray gun water supply pipe moves to a fixed position, the fixing clamp plate for the spray gun water supply pipe is fixed with the flange plate through the double-end stud, the external main water supply pipe is connected with the spray gun water supply pipe, a valve of the water supply pipe is opened, and the spray gun is installed.
The utility model has the advantages that: the spray gun maintenance device has the advantages that the spray gun maintenance device can realize no need of shutdown, maintains the spray gun online, is safe and reliable, facilitates daily maintenance of enterprises, saves maintenance time for the enterprises, increases effective operation time of the enterprises, and reduces production loss caused by maintenance of the enterprises.
Drawings
FIG. 1 is a schematic structural view of the on-line replaceable spray gun of the present invention;
FIG. 2 is a top view of FIG. 1A;
fig. 3 is a partially enlarged view of a portion B of fig. 1.
The device comprises a nozzle 1, a spray head 2, a water supply pipe 21, a water supply pipe valve 3, an inner sleeve, a gap 31 on the inner sleeve, a gap 4 on the outer sleeve, a gap valve 5 on the outer sleeve, a flange 6 on the inner sleeve, a sealing box 7 on the inner sleeve, a sealing filler 71 on the inner sleeve, a sealing filler 8 on the inner sleeve, a water supply pipe fixing clamp plate 81 on the outer sleeve and a stud.
Detailed Description
The structure and features of the present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that various modifications can be made to the embodiments disclosed herein, and therefore, the embodiments disclosed in the specification should not be considered as limitations of the present invention, but merely as exemplifications of the embodiments, which are intended to make the features of the present invention apparent.
As shown in fig. 1, the utility model provides a spray gun that can change on line comprises shower nozzle 1, delivery pipe 2, interior sleeve pipe 3, outer tube 4, knife gate valve 5, ring flange 6, seal box 7 and delivery pipe solid fixed splint 8.
The inner sleeve 3 is fixed on the inner wall of equipment 9 (such as a dechlorination tower, a dechlorination tower or other equipment) in a welding mode, and a water supply pipe 2 with a spray head 1 is arranged in the inner sleeve. A gap 31 which can spray the liquid sprayed by the spray head 1 into the equipment is arranged at the position of the inner sleeve 3 opposite to the spray head 1.
The end part of the inner sleeve 3 exposed outside the equipment is connected with the knife gate valve 5 through a bolt, the other end face of the knife gate valve 5 is connected with one end of the outer sleeve 4 through a bolt, and the other end of the outer sleeve 4 is connected with the flange 6 through a bolt.
The disk surface of the flange 6 is provided with a through hole through which the water supply pipe 2 can pass, and the water supply pipe 2 passes through the flange 6, the outer sleeve 4 and the knife gate valve 5 and is inserted into the inner sleeve 3.
For the harmful gas leakage in the prevention equipment, the utility model discloses the welding has a seal box 7 around the 6 quotation through-holes of ring flange, and the seal box intussuseption is filled with gland packing 71, the gap that probably exists between the through-hole in shutoff delivery pipe 2 and the 6 quotations of ring flange.
For further preventing to pass that supply pipe 2 in ring flange 6, outer tube 4 insert interior sleeve pipe 3 rocks, ensure that the spray gun normally works, do not take place the displacement, the utility model discloses still be equipped with a delivery pipe solid fixed splint 8, be equipped with the through-hole on the delivery pipe solid fixed splint 8, as shown in fig. 2, fig. 3, supply pipe 2 passes in delivery pipe solid fixed splint 8, ring flange 6, outer tube 4 insert interior sleeve pipe 3. The water supply pipe fixing clamp plate 8 is connected with the disc surface of the flange 6 through the stud 81.
For the convenience of maintenance, as shown in fig. 1, the utility model is also provided with a water supply pipe valve 21 on the water supply pipe 2. When the water supply main supplies water to a plurality of spray guns at the same time, the connection of the water supply pipe of the spray gun to the main can be cut off by the valve 21 when a certain spray head is replaced/maintained. When a spray head is replaced independently on the occasion of arranging a plurality of spray guns, the design does not influence the normal work of other spray guns.
When the spray head 1 is blocked, the water supply pipe valve 21 of the spray gun is closed, and an external water pipeline is disconnected; the stud 81 on the fixing clamp plate 8 of the spray gun water supply pipe is detached, so that the spray gun water supply pipe 2 is separated from the flange plate 6, and the spray gun water supply pipe 2 is pulled outwards at the moment; when the spray head 1 moves to the knife gate valve 5, the knife gate valve 5 is closed, the flange plate 6 is dismounted, and the spray gun is dismounted and overhauled. After the overhaul is finished, the flange plate 6 is installed, then the knife gate valve 5 is opened, the spray gun water supply pipe 2 with the spray head 1 is inserted inwards, when the spray gun water supply pipe 2 moves to a fixed position, the spray gun water supply pipe fixing clamp plate 8 and the flange plate 6 are fixed through the double-end stud 81, an external main water supply pipe is connected with the spray gun water supply pipe 2, the water supply pipe valve 21 is opened, and the spray gun installation is finished.
The utility model has the advantages that:
1. the utility model discloses need not to shut down, can realize the online maintenance spray gun, and safe and reliable, the routine maintenance for the enterprise provides facility, has saved maintenance time for the enterprise, has increased the effectual activity duration of enterprise, has reduced the production loss because of overhauing and bringing for the enterprise.
2. The utility model discloses be equipped with interior sleeve pipe and outer overcoat, can prevent effectively that dust or other filths from adhering to on shower nozzle or spray gun delivery pipe, ensure the cleanness of shower nozzle and spray gun delivery pipe, the plug of the spray gun delivery pipe of being convenient for, the spray gun is changed on line.
3. The utility model discloses be equipped with the knife gate valve, can realize that the inside harmful gas of spray gun plug back equipment does not leak, ensure operation safety.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a spray gun that can change on line which characterized in that: it consists of a spray head, a water supply pipe, an inner sleeve, a knife gate valve, an outer sleeve and a flange plate;
the inner sleeve is fixed on the inner wall of the equipment, the end part of the inner sleeve, which is exposed out of the equipment, is connected with the knife gate valve through a bolt, the other end face of the knife gate valve is connected with one end of the outer sleeve through a bolt, and the other end of the outer sleeve is connected with the flange plate through a bolt;
the disc surface of the flange plate is provided with a through hole through which the water supply pipe can pass;
the water supply pipe penetrates through the flange plate, the outer sleeve and the knife gate valve and is inserted into the inner sleeve;
the spray head is arranged at the end part of the water supply pipe inserted into the inner sleeve; and a notch which can spray liquid sprayed from the spray head into the equipment is arranged at the position of the inner sleeve pipe, which is opposite to the spray head.
2. The on-line replaceable spray gun of claim 1 wherein: and a sealing box is welded around the through hole on the disk surface of the flange plate, and a sealing material for plugging a gap between the water supply pipe and the through hole on the disk surface of the flange plate is filled in the sealing box.
3. The on-line replaceable spray gun of claim 2 wherein: it also includes a water supply pipe fixing clamp plate;
the water supply pipe fixing clamp plate is provided with a through hole, and the water supply pipe penetrates through the water supply pipe fixing clamp plate, the flange plate and the outer sleeve to be inserted into the inner sleeve;
the water supply pipe fixing clamp plate is connected with the flange plate through a stud.
4. The on-line replaceable spray gun of claim 3 wherein: and a water supply pipe valve is also arranged on the water supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961488.9U CN210121422U (en) | 2019-11-14 | 2019-11-14 | Spray gun capable of being replaced online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961488.9U CN210121422U (en) | 2019-11-14 | 2019-11-14 | Spray gun capable of being replaced online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210121422U true CN210121422U (en) | 2020-03-03 |
Family
ID=69633618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961488.9U Active CN210121422U (en) | 2019-11-14 | 2019-11-14 | Spray gun capable of being replaced online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210121422U (en) |
Cited By (1)
| 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 |
-
2019
- 2019-11-14 CN CN201921961488.9U patent/CN210121422U/en active Active
Cited By (1)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210171175U (en) | Device for online replacement or maintenance of spray gun of urea pyrolysis reactor | |
| CN210121422U (en) | Spray gun capable of being replaced online | |
| CN210345505U (en) | Rotary soot blower for improving uniformity of flow field of denitration inlet flue | |
| CN210595957U (en) | Spray gun mounting structure and blast furnace gas deacidification device | |
| CN217951263U (en) | Butterfly valve with sealing protection structure | |
| CN204267730U (en) | Gas pipe line on-line rinsing seal arrangement | |
| CN108799587A (en) | A kind of detachable hydraulic oil anti-leak hydraulic valve | |
| CN215713082U (en) | Automatic anti-blocking spray gun device for online maintenance | |
| CN214289804U (en) | Cleaning device for negative pressure section of gas pipeline | |
| CN212204035U (en) | Spray main pipe air purging | |
| CN212455947U (en) | Online plugging device of pipeline under pressure | |
| CN102380450B (en) | Water spraying device for vertical mill | |
| CN203176739U (en) | Local pressurized leakage repairing plate for gas pipeline | |
| CN207830985U (en) | The gas supply of inert gas generator controls security module unit | |
| CN214840916U (en) | Tearing-proof device for ash bucket of dry ash removal economizer system | |
| CN216688196U (en) | Dust removing device for blast furnace gas pipeline | |
| CN219063445U (en) | Environment-friendly pressure relief system | |
| CN202087889U (en) | Online cutting and welding device for pipes with inflammable and explosive media | |
| CN201815024U (en) | Melting fireproof and explosion-proof isolator | |
| CN211550572U (en) | Locking valve for pneumatic equipment | |
| CN220169181U (en) | Prevent interior washing tower synthetic gas transmission system that leaks | |
| CN218089646U (en) | Filtering device of furnace top water gun | |
| CN213512647U (en) | Leakage plugging device for pipeline or equipment with pressure | |
| CN218267459U (en) | Natural gas pipeline safety valve | |
| CN220999588U (en) | Atomizing spray device for acetylene production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 100101 Room 601, 6 / F, building 1, yard 8, Beichen East Road, Chaoyang District, Beijing Patentee after: Britian control equipment (Beijing) Co.,Ltd. Address before: 100102 No.01, 130708, unit 3, 6 / F, building 3, yard 1, Futong East Street, Chaoyang District, Beijing Patentee before: LOFON CONTROL EQUIPMENT (BEIJING) Co.,Ltd. |
|
| CP03 | "change of name, title or address" |