CN2725306Y - Automatic expansion type high temperature anticlogging spray gun - Google Patents
Automatic expansion type high temperature anticlogging spray gun Download PDFInfo
- Publication number
- CN2725306Y CN2725306Y CN 200420076460 CN200420076460U CN2725306Y CN 2725306 Y CN2725306 Y CN 2725306Y CN 200420076460 CN200420076460 CN 200420076460 CN 200420076460 U CN200420076460 U CN 200420076460U CN 2725306 Y CN2725306 Y CN 2725306Y
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- spray gun
- nozzle
- high temperature
- expansion type
- automatic expansion
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Abstract
The utility model relates to an automatic expansion type high temperature anticlogging spray gun. The spray gun is composed of a housing 7, a wave telescoping mechanism 8, a reset spring 6, a catheter 3, a nozzle 2 and a sphere gland crank throw mechanism 1. The utility model is of simple and reliable structure and long service life, a power plant is not additionally increased when the spray gun is flexed, and the nozzle can not be plugged. Not being purged by nitrogen gas, the automatic expansion type high temperature anticlogging spray gun can effectively ensure the normal running of nebulization refrigeration system. Because the spray gun is of integral type, therefore the utility model is of easy installation, with wide application scope, and the automatic expansion type high temperature anticlogging spray gun can be used in various high-temperature, high dust environments and various nozzles.
Description
Technical field
The utility model relates to the spray cooling device under top gas spray cooling and other high temperature, the high dust atmosphere, the anti-blocking spray gun of particularly a kind of automatic telescopic high temperature.
Background technology
At present, the coal gas dust removal of medium and small blast furnace generally adopts the dry gas cleaning method.In the blast furnace production process, blast furnace gas temperature can have greatly changed along with the fluctuation of conditions of blast furnace.When furnace condition disorder caused blast furnace gas temperature sharply to raise, coal gas of high temperature will burn out the cloth bag of sack cleaner, and then dust-removal system is damaged, and used each link of coal gas all to be had a strong impact on.
In order to prevent to burn out cloth bag, domesticly generally adopt water spray or spray cooling at present, and spray cooling be spray water that cooling efficiency is higher, better effects if, more energy-conservation method of cooling.
The spray technique that adopts mainly contains at present:
(1) uses aerial fog nozzle, rely on nitrogen to carry out the atomizing of water and the purging of nozzle.This nozzle is the concentric jet that relies on gas and liquid, and the drive of high-speed gas makes current vaporization formation water smoke.Be characterized in that the nozzle slit is little, under high temperature, high dust atmosphere, very easily stop up.The 380m of China Pingxiang Iron And Steel Company iron work
3Blast furnace once used this kind nozzle, and spray nozzle clogging promptly takes place after the use soon can't be used, and have to remove nozzle at last and change spraying for spraying water.
(2) use combined high pressure reflow formula atomizing nozzle, purge with nitrogen.The mechanical atomizing mode is adopted in the heat-resistance stainless steel manufacturing of this nozzle, is the dicyclic structure.In " ironmaking " No:1989.3P22～25, introduction is arranged.The outer shroud feedwater, inloop stream, outermost layer has a protective casing.Nozzle links to each other with feedwater, water return pipeline respectively.During work, a part of water by the shower nozzle ejection, forms vaporific grain flow thigh in the spray chamber atomizing, and another part water is refluxed by return port in shower nozzle, is pooled to nozzle inloop stream pipe, together flows to the pond.During off working state, purge with nitrogen.This nozzle once used on No. 3 blast furnaces of Ling Gang, because the nitrogen ductwork pressure is low, purge difficulty, nozzle easily stops up.
(3) use jet contraction, divergent nozzle, purge with nitrogen.This structure has introduction in " ironmaking " No:2003.5 P88～89.The iron work 2500m of China Ma'anshan Iron and Steel Corp
3Blast furnace once used this nozzle, and current form the globule during work under the shrinkage expansion effect of nozzle, relied on nitrogen purging to prevent to stop up during inoperative, and purging with nitrogen flow is 2000m
3/ h, the production cost that annual every blast furnace only purges with nitrogen reaches 262.8 ten thousand yuan, after technological transformation reduces the nitrogen usage quantity to about 300,000 yuan of annual every blast furnace.
The difficult problem of spray cooling maximum is that nozzle is easily stifled at present, and this causes the spray cooling system job insecurity, and result of use is also had a strong impact on.
Summary of the invention
The purpose of this utility model is in order to overcome the spray nozzle long-term exposure under the environment of high temperature, high dust, because the bonding of dashing filling, dust of dusty gas, high temperature is to the nodulizing of bonding dust, nozzle is very easily stopped up, and be difficult to purge clean defective, a kind of be difficult for being stopped up by dust under the severe environment of high temperature, high dust, efficient spray spray gun is provided.
The technical solution of the utility model: the anti-blocking spray gun of a kind of automatic telescopic high temperature, described spray gun is by housing 7, ripple telescoping mechanism 8, return spring 6, conduit 3, nozzle 2, spheroid capping reciprocating mechanism 1 is formed, ripple telescoping mechanism 8 and return spring 6 are in housing 7, ripple telescoping mechanism 8 one ends are fixed, and this end also links to each other with water pump, ripple telescoping mechanism 8 another free ends link to each other with conduit 3, return spring 6 is installed between ripple telescoping mechanism 8 free ends and the housing 7, conduit 3 the other ends connect with nozzle 2, outside the nozzle 2 sleeve pipe is arranged, sleeve opening by a spheroid capping reciprocating mechanism 1 envelope.
The beneficial effects of the utility model: because the utility model is at the drawback that has various spray nozzles existence under high temperature, high dust atmosphere now and development and Design, its remarkable advantage is presented as:
1., nozzle can not stop up, and must not use nitrogen purging, can guarantee effectively that spray cooling system normally moves.Only do not use every year one of nitrogen to save at least 30 ten thousand yuan of costs.
2., simple in structure, reliable, long service life, the flexible power-equipment that do not increase in addition of spray gun.
3., easy for installation.Spray gun is a monoblock type, and nozzle and conduit adopt screwed connection, and spray gun adopts foundation bolt to be connected with ejecting container, and spray gun and pipeline are with hose connection, and spray gun maintenance dismounting can be finished in the short period of time.
4., widely applicable, various high temperature, high dust atmosphere, various nozzles can both use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings.
The anti-blocking spray gun of a kind of automatic telescopic high temperature, described spray gun is by housing 7, ripple telescoping mechanism 8, return spring 6, conduit 3, nozzle 2, spheroid capping reciprocating mechanism 1 is formed, ripple telescoping mechanism 8 and return spring 6 are in housing 7, ripple telescoping mechanism 8 one ends are fixed, and this end links to each other with water pump by water inlet flange 9, ripple telescoping mechanism 8 another free ends link to each other with conduit 3, return spring 6 is installed between ripple telescoping mechanism 8 free ends and the housing 7, conduit 3 the other ends connect with nozzle 2, outside the nozzle 2 sleeve pipe is arranged, sleeve opening by a spheroid capping reciprocating mechanism 1 envelope.Housing 7 is fixed on the furnace wall steel plate 4 by spray gun bearing 5.Nozzle and conduit adopt screwed connection, and spray gun adopts foundation bolt to be connected with ejecting container, and spray gun and pipeline are with hose connection, and spray gun maintenance dismounting can be finished in the short period of time.When spraying, High-Pressure Water through pressurization flow to spray gun, under the effect of hydraulic pressure, the free end of ripple telescoping mechanism 8 is subjected to displacement, conduit 3, the nozzle 2 that one is connected is stretched to working position and pushes the nozzle closure ball synchronously open, expose nozzle, cool off coal gas from the nozzle ejection hydraulic atomized back; When computer sends the instruction that stops to spray, water pump shutdown; hydraulic pressure reduces rapidly; under the effect of return spring elastic force 6; ripple telescoping mechanism 8 bounces back rapidly automatically; the nozzle 2 of spray gun is hidden in the sleeve pipe; spheroid capping reciprocating mechanism 1 gravitate automatically resets simultaneously, and the capping ball sealing covers nozzle 2, and nozzle bore is blocked protection.Owing to directly cut off the approach that dust enters nozzle; nozzle all is concealed in the spray gun under the inoperative situation; only when spraying, be exposed in short time in high dust, the pyritous blast furnace gas; therefore solved the blockage problem of nozzle under high temperature, the high dust atmosphere effectively; the daily protection of nozzle no longer needs to protect with nitrogen purging anti-blocking, has saved a large amount of maintenance costs.This spray gun mechanism is simple, and the reliability height is specially adapted to the severe environment of high temperature with high dust.
Claims (1)
1, the anti-blocking spray gun of a kind of automatic telescopic high temperature, it is characterized in that: described spray gun is by housing (7), ripple telescoping mechanism (8), return spring (6), conduit (3), nozzle (2), spheroid capping reciprocating mechanism (1) is formed, ripple telescoping mechanism (8) and return spring (6) are in housing (7), ripple telescoping mechanism (8) one ends are fixed, and this end also links to each other with water pump, another free end of ripple telescoping mechanism (8) links to each other with conduit (3), return spring (6) is installed between ripple telescoping mechanism (8) free end and the housing (7), conduit (3) the other end connects with nozzle (2), nozzle (2) is outer a sleeve pipe, and sleeve opening is being sealed by a spheroid capping reciprocating mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420076460 CN2725306Y (en) | 2004-09-01 | 2004-09-01 | Automatic expansion type high temperature anticlogging spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420076460 CN2725306Y (en) | 2004-09-01 | 2004-09-01 | Automatic expansion type high temperature anticlogging spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2725306Y true CN2725306Y (en) | 2005-09-14 |
Family
ID=35040028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420076460 Expired - Lifetime CN2725306Y (en) | 2004-09-01 | 2004-09-01 | Automatic expansion type high temperature anticlogging spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2725306Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091676A (en) * | 2010-09-05 | 2011-06-15 | 张永忠 | Blockage-free water spray nozzle for vibrating plate |
| CN102580508A (en) * | 2012-03-21 | 2012-07-18 | 无锡雪浪环境科技股份有限公司 | Telescopic spraying device |
| CN103111388A (en) * | 2013-02-27 | 2013-05-22 | 南京凯盛国际工程有限公司 | Automatic retracting device for spray gun |
| CN107115987A (en) * | 2016-02-24 | 2017-09-01 | 厦门松霖科技有限公司 | A kind of flexible spray gun |
| CN109198714A (en) * | 2018-09-30 | 2019-01-15 | 安徽中烟工业有限责任公司 | A kind of cleaning apparatus for self of tin class flavoring equipment spraying device |
| CN109595547A (en) * | 2017-09-30 | 2019-04-09 | 山东博研粉体技术装备有限公司 | A kind of double thorax kiln spray guns |
| CN110465394A (en) * | 2019-08-19 | 2019-11-19 | 徐州汉兴再生资源有限公司 | It is a kind of for the grinding device of building waste to can be recycled |
| CN110938724A (en) * | 2019-12-27 | 2020-03-31 | 秦皇岛西之立机械设备有限公司 | Blast furnace top atomization water-pumping cooling device |
| 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 |
-
2004
- 2004-09-01 CN CN 200420076460 patent/CN2725306Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091676A (en) * | 2010-09-05 | 2011-06-15 | 张永忠 | Blockage-free water spray nozzle for vibrating plate |
| CN102580508A (en) * | 2012-03-21 | 2012-07-18 | 无锡雪浪环境科技股份有限公司 | Telescopic spraying device |
| CN103111388A (en) * | 2013-02-27 | 2013-05-22 | 南京凯盛国际工程有限公司 | Automatic retracting device for spray gun |
| CN103111388B (en) * | 2013-02-27 | 2016-01-06 | 南京凯盛国际工程有限公司 | A kind of spray gun automatic entrance-exit device |
| CN107115987A (en) * | 2016-02-24 | 2017-09-01 | 厦门松霖科技有限公司 | A kind of flexible spray gun |
| CN107115987B (en) * | 2016-02-24 | 2019-07-09 | 厦门松霖科技股份有限公司 | A kind of flexible spray gun |
| CN109595547A (en) * | 2017-09-30 | 2019-04-09 | 山东博研粉体技术装备有限公司 | A kind of double thorax kiln spray guns |
| CN109198714A (en) * | 2018-09-30 | 2019-01-15 | 安徽中烟工业有限责任公司 | A kind of cleaning apparatus for self of tin class flavoring equipment spraying device |
| CN110465394A (en) * | 2019-08-19 | 2019-11-19 | 徐州汉兴再生资源有限公司 | It is a kind of for the grinding device of building waste to can be recycled |
| CN110938724A (en) * | 2019-12-27 | 2020-03-31 | 秦皇岛西之立机械设备有限公司 | Blast furnace top atomization water-pumping cooling device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140901 Granted publication date: 20050914 |