CN215713082U - Automatic anti-blocking spray gun device for online maintenance - Google Patents
Automatic anti-blocking spray gun device for online maintenance Download PDFInfo
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- CN215713082U CN215713082U CN202121442916.4U CN202121442916U CN215713082U CN 215713082 U CN215713082 U CN 215713082U CN 202121442916 U CN202121442916 U CN 202121442916U CN 215713082 U CN215713082 U CN 215713082U
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Abstract
The utility model relates to an automatic anti-blocking spray gun device for online maintenance, which belongs to the technical field of gas spray guns and comprises a barrel, wherein one end of the barrel is communicated with a pipeline or a tower body of a gas facility, a stop valve is arranged at the end of the barrel, a spray gun and a corrugator are arranged at the other end of the barrel, the spray gun is connected with a high-pressure water path through the corrugator, and the spray gun and the corrugator are positioned in a cavity enclosed by the barrel, the stop valve and a sealing plate positioned at the end part of the barrel; the corrugator extends under the action of the high-pressure waterway, so that the front end of the spray gun can penetrate through the stop valve and extend into a pipeline or a tower body of a gas facility to realize spraying, and the spray gun is also connected with a reset mechanism so that the spray gun can be automatically reset when the high-pressure waterway is closed; the position of the cylinder body corresponding to the cavity is provided with a bleeding valve and a blowing valve which can be connected with a nitrogen pipeline so as to realize the replacement of air in the cavity before spraying and the replacement of coal gas in the cavity after spraying. The utility model not only can realize the online maintenance of the spray gun, but also can prolong the service life of the spray gun.
Description
Technical Field
The utility model belongs to the technical field of gas spray guns, and relates to an automatic anti-blocking spray gun device for online maintenance.
Background
Because the blast furnace gas purification at present widely adopts dry cloth bag dust removal, the gaseous Cl derived from raw materials in the raw coke oven gas cannot be removed like the wet method-、S2-、SO3 2-、SO4 2-And the corrosive ions are removed, so that the problems of corrosion and salt accumulation of gas pipelines and equipment with different degrees appear in many steel mills after the technology is adopted, and the corrosion is reduced by adopting alkali spraying for acid removal or spraying for washing at present.
Because the spray gun is used for a coal gas alkali spraying and acid removing device or a spray washing device, a bypass pipeline is usually required to be added to arrange a standby spray gun for convenient maintenance, and a cut-off valve is arranged in front of and behind the spray gun. At present, the spray gun device can not completely meet the requirement of on-line safe maintenance of the coal gas, and the operation of a coal gas pipeline must be stopped, so that the normal production of a coal gas user of a metallurgical enterprise can be influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an automatic anti-blocking spray gun device for online maintenance, so as to implement online maintenance of a spray gun.
In order to achieve the purpose, the utility model provides the following technical scheme:
an automatic anti-blocking spray gun device for online maintenance comprises a barrel, wherein one end of the barrel is communicated with a pipeline or a tower body of a gas facility, the end of the barrel is provided with a stop valve, the other end of the barrel is provided with a spray gun and a corrugator, the spray gun is fixed on a sliding plate in sliding connection with the barrel, the spray gun is connected with a high-pressure water path through the corrugator, and the spray gun and the corrugator are positioned in a cavity enclosed by the barrel, the stop valve and a sealing plate positioned at the end part of the barrel; the corrugator extends under the action of the high-pressure waterway, so that the front end of the spray gun can penetrate through the stop valve and extend into a pipeline or a tower body of a gas facility to realize spraying, and the spray gun is also connected with a reset mechanism so that the spray gun can be automatically reset when the high-pressure waterway is closed; the position of the cylinder body corresponding to the cavity is provided with a bleeding valve and a blowing valve which can be connected with a nitrogen pipeline so as to realize the replacement of air in the cavity before spraying and the replacement of coal gas in the cavity after spraying.
Optionally, the barrel is of a multi-section structure, and comprises a fixed section connected with a pipeline or a tower body of a gas facility and a detachable section detachably connected with the fixed section, a partition plate is arranged at the joint of the fixed section and the detachable section to divide the cavity into a hidden chamber enclosed by the partition plate, the fixed section and the cut-off valve and a spray gun installation chamber enclosed by the partition plate, the detachable section and the sealing plate, the spray gun is installed in the spray gun installation chamber through a sliding plate, and the front end of the spray gun penetrates through the partition plate and is in sliding connection with the spray gun installation chamber.
Optionally, the baffle includes with barrel fixed connection and be equipped with the baffle body that the spray gun dodged the hole, the position that the baffle body corresponds the spray gun dodges the hole is equipped with the locating part of the spacing hole of seting up thereon with spray gun sliding connection, the locating part can be dismantled with the baffle body and be connected.
Optionally, the partition plate is detachably connected with the fixed section.
Optionally, the detachable section is detachably connected with the closing plate.
Optionally, the purge valve and the purge valve are located at two ends of the cavity respectively.
Optionally, the reset mechanism is an elastic member sleeved on the spray gun, and the elastic member is a spring or an elastic sleeve.
The utility model has the beneficial effects that: the spray gun can be overhauled and replaced on line under the conditions that gas is not stopped, facilities such as a gas stop valve, a bypass and the like are not arranged at the front and the back of the spray gun device, and when the spray gun stops working, gas impurities can be effectively prevented from entering a nozzle, so that the service life of the spray gun is prolonged, the gas deacidification efficiency is improved, the normal production of a gas user is ensured, the overhaul and maintenance load is reduced for enterprises, and the production operation time is prolonged; meanwhile, the investment of facilities such as a shut-off valve or a bypass is reduced, so that the maintenance cost is further reduced, and the coal gas is used safely by enterprises, and the effects of energy conservation and emission reduction are achieved; the utility model belongs to the industry initiative technology, fills the blank of the professional field at home and abroad, and is in the leading position at home and abroad.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of an automatic anti-blocking spray gun device for online maintenance according to the present invention.
Reference numerals: the device comprises a cut-off valve 1, a fixed section 2, a detachable section 3, a spring 4, a water supply valve 5, a gas interface sleeve 6, a spray gun 7, a limiter 8, a sliding plate 9, a corrugator 10, a relief valve 11 and a purge valve 12.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an on-line maintenance automatic anti-blocking spray gun device comprises a cylinder, one end of the cylinder is communicated with a pipeline or a tower body of a gas facility, the end of the cylinder is provided with a cut-off valve 1, the other end of the cylinder is provided with a spray gun 7 and a corrugator 10, the spray gun 7 is fixed on a sliding plate 9 which is in sliding connection with the cylinder, the spray gun 7 is connected with a high-pressure water path through the corrugator 10, and the spray gun 7 and the corrugator 10 are positioned in a cavity which is surrounded by the cylinder, the cut-off valve 1 and a sealing plate positioned at the end part of the cylinder; the corrugator 10 extends under the action of the high-pressure waterway, so that the front end of the spray gun 7 can penetrate through the stop valve 1 and extend into a pipeline or a tower body of a gas facility to realize spraying, and the spray gun 7 is also connected with a reset mechanism so that the spray gun 7 can be automatically reset when the high-pressure waterway is closed; the position of the cylinder body corresponding to the cavity is provided with a bleeding valve 11 and a purging valve 12 which can be connected with a nitrogen pipeline so as to realize the replacement of air in the cavity before spraying and the replacement of coal gas in the cavity after spraying.
The utility model can realize on-line maintenance and replacement of the spray gun 7 under the conditions that gas is not stopped, and facilities such as a gas stop valve, a bypass and the like are not arranged at the front and the rear of the spray gun device, and can effectively prevent gas impurities from entering a nozzle when the spray gun 7 stops working, thereby prolonging the service life of the spray gun 7, improving the gas deacidification efficiency and ensuring the normal production of a gas user.
In order to facilitate the maintenance of the spray gun 7, the barrel is designed into a multi-section split structure. The barrel includes the canned paragraph 2 of being connected with the pipeline or the tower body of coal gas facility and can dismantle the section 3 of dismantling of being connected with canned paragraph 2, and canned paragraph 2 is equipped with the baffle with can dismantle the department of meeting of section 3 and be divided into the cavity and become the hidden room that is enclosed by baffle, canned paragraph 2, trip valve 1 and the spray gun installation room that is enclosed by baffle, can dismantle section 3, shrouding, and spray gun 7 passes through slide 9 and installs in the spray gun installation room, and its front end passes the baffle and rather than sliding connection. The baffle includes and just is equipped with the baffle body that the spray gun dodged the hole with barrel fixed connection, and the position that the baffle body corresponds the spray gun dodges the hole is equipped with the locating part of the spacing hole of offering on it with 7 sliding connection of spray gun, and the locating part can be dismantled with the baffle body and be connected. The partition board and the fixed section 2, and the detachable section 3 and the sealing plate are detachably connected.
In order to quickly replace the coal gas in the cavity and save the maintenance time, the bleeding valve 11 and the purging valve 12 are respectively arranged at two ends of the cavity, preferably at two sides of the cylinder body, so as to further accelerate the flow of the fluid and reduce the replacement time of the coal gas.
The resetting mechanism can be an elastic part sleeved on the spray gun 7, the elastic part is a spring 4 or an elastic sleeve, and two ends of the elastic part are respectively limited by a partition plate and a sliding plate 9 and can be fixed or unfixed.
A setting method of an online spray gun is characterized in that a barrel communicated with a pipeline or a tower body of a gas facility is arranged on the pipeline or the tower body of the gas facility, a stop valve 1 is arranged at the end of the barrel, a spray gun 7 connected with a high-pressure water path is arranged at the other end of the barrel, and the spray gun 7 is positioned in a cavity defined by the barrel, the stop valve 1 and a sealing plate positioned at the end part of the barrel; a blow-off valve 11 and a purge valve 12 which can be connected with a nitrogen pipeline are arranged at the position of the cylinder body corresponding to the cavity, so that air in the cavity is replaced before spraying and coal gas in the cavity is replaced after spraying is finished; in the working state, the cut-off valve 1 is opened, and the front end of the spray gun 7 penetrates through the cut-off valve 1 and extends into a pipeline or a tower body of a gas facility to realize spraying; in the non-working state, the spray gun 7 is reset, and the cut-off valve 1 is closed.
In order to facilitate the disassembly and assembly of the spray gun 7, the barrel is designed into a detachable split structure, the barrel comprises a fixed section 2 connected with a pipeline or a tower body of a gas facility and a detachable section 3 detachably connected with the fixed section 2, the spray gun 7 is arranged on the detachable section 3, a partition plate is arranged at the joint of the fixed section 2 and the detachable section 3, the spray gun 7 is supported by the partition plate and a sliding plate 9 in sliding connection with the detachable section 3, and a bleeding valve 11 and a purging valve 12 are respectively arranged on the detachable section 3 and the fixed section 2.
Examples
An automatic anti-blocking spray gun device for online maintenance comprises a cut-off valve 1, a hidden chamber, a spray gun mounting chamber, a spring 4, a water supply valve 5, a spray gun 7, a sliding plate 9, a corrugator 10, a purge valve 11 and a blow-off valve 12. One side of the sliding plate 9 is connected with the spring 4 and the spray gun 7, the other side of the sliding plate 9 is connected with the corrugator 10, and the spring 4 and the corrugator 10 are respectively fixed at two ends of the spray gun installation chamber. The hidden chamber is connected with the spray gun mounting chamber through a flange bolt, and the spray gun 7 freely moves between the hidden chamber and the gas interface sleeve 6 through a limiter 8.
When the water supply valve 5 is opened, a certain water pressure exists, and the spray gun 7 moves to the gas interface sleeve 6 through the hidden chamber to enter the gas pipeline and start to work. When the water supply valve 5 is closed, no water pressure exists, the spring 4 is reset, the corrugator 10 contracts, the spray gun 7 stops in the hidden chamber, and the spray gun 7 stops working. When the water supply valve 5 is closed and no water pressure exists, and the spray gun 7 enters the hidden chamber, the cut-off valve 1 is closed, so that gas impurities can be effectively prevented from entering the spray gun 7 to play a role of blocking prevention. During maintenance, the cut-off valve 1 is closed, the blow-off valve 12 is opened, the nitrogen pipe is used for connecting and the blow-off valve 11 is opened, after the coal gas in the spray gun is replaced, the connecting bolt of the hidden chamber and the spray gun mounting chamber is detached, and the spray gun 7 and the spray gun mounting chamber are taken out for maintenance.
The working process of the utility model is as follows:
1) when the cut-off valve 1 is opened, the water supply valve 5 is opened, the spray gun 7 moves forwards to penetrate through the hidden chamber, and enters the gas pipeline through the gas interface sleeve 6 to start working.
2) The water supply valve 5 is closed, no water pressure exists, the spray gun 7 stops working, the spring 4 extends and resets, the corrugator 10 contracts, the spray gun 7 enters the hidden chamber from the gas pipeline through the gas interface sleeve 6, the cut-off valve 1 is closed, and gas impurities are prevented from entering the spray gun 7 to play a role in preventing blocking.
Before the spray gun is installed and put into operation, the nitrogen purge valve 11 is used together with a gas pipeline to replace air in the spray gun device. For on-line maintenance, after the installation of the spray gun is finished, the blow-off valve 12 is opened, the blow-off valve 11 is connected and opened through a nitrogen pipe, after air in the spray gun device is replaced by nitrogen, the cut-off valve 1 and the water supply valve 5 are opened, the spray gun 7 penetrates through the hidden chamber through the limiting stopper 8 and enters the gas pipeline through the gas interface sleeve 6, and the spray gun starts to work.
The utility model not only can realize the online maintenance and replacement of the spray gun, but also can effectively prevent gas impurities from entering the nozzle when the spray gun stops working, thereby prolonging the service life of the spray gun, improving the gas deacidification efficiency, ensuring the normal production of gas users, reducing the maintenance load for enterprises and improving the production operation time; in addition, the investment of facilities such as a shut-off valve or a bypass is reduced, the maintenance cost is further reduced, and the coal gas is used safely by enterprises, and the coal gas is energy-saving and emission-reducing effects are achieved. The utility model belongs to the industry initiative technology, fills the blank of the professional field at home and abroad, and is in the leading position at home and abroad.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides an automatic stifled spray gun device that prevents of online maintenance which characterized in that: the device comprises a cylinder body, wherein one end of the cylinder body is communicated with a pipeline or a tower body of a gas facility, the end of the cylinder body is provided with a stop valve, the other end of the cylinder body is provided with a spray gun and a corrugator, the spray gun is fixed on a sliding plate which is in sliding connection with the cylinder body, the spray gun is connected with a high-pressure water path through the corrugator, and the spray gun and the corrugator are positioned in a cavity which is enclosed by the cylinder body, the stop valve and a sealing plate positioned at the end part of the cylinder body; the corrugator extends under the action of the high-pressure waterway, so that the front end of the spray gun can penetrate through the stop valve and extend into a pipeline or a tower body of a gas facility to realize spraying, and the spray gun is also connected with a reset mechanism so that the spray gun can be automatically reset when the high-pressure waterway is closed; the position of the cylinder body corresponding to the cavity is provided with a bleeding valve and a blowing valve which can be connected with a nitrogen pipeline so as to realize the replacement of air in the cavity before spraying and the replacement of coal gas in the cavity after spraying.
2. The automatic anti-blocking spray gun device for online maintenance according to claim 1, characterized in that: the barrel is multi-section structure, including the canned paragraph of being connected with the pipeline or the tower body of coal gas facility and the section of dismantling of being connected with the canned paragraph, the canned paragraph is equipped with the baffle with the department of meeting of dismantling the section in order to cut apart the cavity into by the baffle, the canned paragraph, the hidden room that the trip valve encloses and by the baffle, can dismantle the spray gun installation room that section, shrouding enclose, the spray gun passes through the slide and installs in the spray gun installation room, its front end passes the baffle and rather than sliding connection.
3. The automatic anti-blocking spray gun device for online maintenance according to claim 2, characterized in that: the baffle includes and just is equipped with the baffle body that the spray gun dodged the hole with barrel fixed connection, and the position that the baffle body corresponds the spray gun dodges the hole is equipped with the locating part of the spacing hole of seting up on it with spray gun sliding connection, and the locating part can be dismantled with the baffle body and be connected.
4. The automatic anti-blocking spray gun device for online maintenance according to claim 2, characterized in that: the partition board is detachably connected with the fixed section.
5. The automatic anti-blocking spray gun device for online maintenance according to claim 2, characterized in that: the detachable section is detachably connected with the closing plate.
6. The automatic anti-blocking spray gun device for online maintenance according to claim 1, characterized in that: the blow-off valve and the blow-down valve are respectively positioned at two ends of the cavity.
7. The automatic anti-blocking spray gun device for online maintenance according to claim 1, characterized in that: the reset mechanism is an elastic part sleeved on the spray gun, and the elastic part is a spring or an elastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442916.4U CN215713082U (en) | 2021-06-28 | 2021-06-28 | Automatic anti-blocking spray gun device for online maintenance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442916.4U CN215713082U (en) | 2021-06-28 | 2021-06-28 | Automatic anti-blocking spray gun device for online maintenance |
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| Publication Number | Publication Date |
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| CN215713082U true CN215713082U (en) | 2022-02-01 |
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| CN202121442916.4U Active CN215713082U (en) | 2021-06-28 | 2021-06-28 | Automatic anti-blocking spray gun device for online maintenance |
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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 |
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2021
- 2021-06-28 CN CN202121442916.4U patent/CN215713082U/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 |
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