CN2467174Y - Catalyst automatic feeding apparatus - Google Patents
Catalyst automatic feeding apparatus Download PDFInfo
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- CN2467174Y CN2467174Y CN 01211858 CN01211858U CN2467174Y CN 2467174 Y CN2467174 Y CN 2467174Y CN 01211858 CN01211858 CN 01211858 CN 01211858 U CN01211858 U CN 01211858U CN 2467174 Y CN2467174 Y CN 2467174Y
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Abstract
The utility model relates to an automatic feeding device for feeding catalyst for a regenerator of a catalytic cracking device, comprising a fluidized tank, a feeding part, a fluidizing part, a discharging part, an emptying part, a weighing part and a control box. The utility model is characterized in that back-blowing devices are added on a discharging valve on the top of a bin of the feeding part and an emptying valve of the emptying part, and a fluidized chamber of the fluidized tank is added with a communicating pipe communicated with a discharging pipeline. The utility model reduces the abrasion of catalyst for valves and solves the problems that pipelines are blocked by the catalyst, etc. The utility model enhances the time of failure-free operation and has low production cost and high production efficiency.
Description
The utility model relates to a kind of automatic catalyst-feeding device that uses in catalytic cracking is produced, be the equipment that adds catalyst to the regenerator of catalytic cracking unit, this equipment also can be used for other need regularly, quantitatively, automatic transport powder, the occasion that adds materials.
In catalytic cracking is produced, need constantly to give the timing of the regenerator in the catalytic cracking unit, fresh makeup catalyst in order to keep material balance and temperature balance, makes its reaction system energy even running quantitatively, to enhance productivity, guarantees safety in production.Therefore, Zhejiang factory produces the small-sized automatic feeder of a kind of catalyst and is sold to many enterprises, is used for timing, quantitative automatic feeding in raw material that catalytic cracking is produced.This feeder comprises feeding section, fluidisation part, output section, emptied part and weighs part and control cabinet etc.There are the following problems at actual production this feeder in service: the one, and two pneumatic ball valves in the automatic feeding system can not be accomplished featuring rigid cutting-off effectively, make catalyst serious to spool, the prooving of valve seat of ball valve; The 2nd, catalyst enters in the fluidizing chamber, and blocking pipeline and relevant Pressure gauge and switch make its cisco unity malfunction, just needs to change valve once in general 2-3 days, and maintenance is so frequent, directly influences production efficiency.Be reluctant to use this automatic feeder so cause a lot of enterprises.Even the user who has used, also have to and remove.Therefore, we can say at present domestic does not still have really can realize regularly, quantitatively, the grained catalyst automatic feeding device of auto feed, also assurance long-term stability, safe operation.
The purpose of this utility model is to provide a kind of and can accomplishes regularly, quantitatively, the automatic catalyst-feeding device of auto feed, a series of problems such as, blocking pipeline serious with the small-sized automatic feeder spool of the catalyst that overcomes present domestic use, the prooving of valve seat, maintenance are frequent.
The utility model adopts following technical scheme: this automatic catalyst-feeding device comprises streaming tank, feeding section, fluidisation part, output section, emptied part and weighs part and control cabinet; The streaming tank top of fluidisation part is that feed bin, bottom are fluidizing chamber, separates by fluidization membrane between its feed bin and the fluidizing chamber; 2 charging valves of serial connection on the charge line at the feed bin top of feeding section, the blow-down pipe that the discharging pipeline of output section is provided with bleeder valve and emptied part is provided with atmospheric valve.Be characterized on the bleeder valve at the feed bin top of feeding section and atmospheric valve, all installing blowback wind equipment additional.Install additional at the fluidizing chamber place of streaming tank and be communicated with communicating pipe with the discharging pipeline.
The utility model adopts technique scheme, compares with background technology, has tangible advantage:
1, on the utility model, installs blowback wind additional, alleviated the wearing and tearing of catalyst widely, prolonged service life of the present utility model the spool and the valve seat of valve.
2, solved blocking pipeline, the Pressure gauge of catalyst, the problem of pressure switch, made the utility model can stablize, normally work.
3, the utility model has improved non-failure operation time widely, has saved human and material resources, financial resources, has improved labor productivity.The utility model is by 30,000 sampling action experiments, only changed secondary discharging valve seat, an emptying valve seat, consumption costs is no more than 100 yuan (RMB), and changing easyly, maintenance mans also can change the action cycle on request with finishing half an hour, can reach 2-3 months and move continuously, and without manual intervention.
4, use the utility model, can reduce production costs widely.In actual production, feeding quantity is few, influences its product yield; Feeding quantity is many, the waste catalyst.Nearly 70,000 yuan per ton of catalyst is estimated with 2,000,000 tons of heavy-oil catalytic devices, adopts auto feed, then average every day 3.5 tons of spent catalysts, purify wind 4 * 60Kpa/h.If with manually reinforced (using outstanding operative employee's operation), then average every day, spent catalyst was about 4.6 tons, consumed purification wind and reached 24 * 60Kpa/h, but also increased labour intensity widely.Calculated in 1 year by above single unit system running, use the utility model auto feed, comparable manually reinforced about 1,000 ten thousand yuans of the costs of saving, economic benefit is fairly obvious.
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is c-c profile of Fig. 1;
Fig. 4 is a schematic diagram of the present utility model.
Feeding section of the present utility model is the feed bin 4 and the charging valve 1 and the charging valve 2 that are serially connected on the feed bin top-feed pipeline of streaming tank 3.Charging valve 1 is the air-cylinder type butterfly valve, and charging valve 2 is the air-cylinder type diaphragm valve, and valve position switch is housed on it.Connect with the coarse cloth tube between charging valve 1 and the charging valve 2.Fluidisation of the present utility model partly is the fluidisation valve 7 of the fluidizing chamber 6 of streaming tank 3 and fluidized wind pipeline and control fluidized wind, and fluidisation valve 7 is a bi-bit bi-pass 24V magnetic valve, is connected with high pressure resistant sebific duct between fluidisation valve 7 and the fluidized wind pipeline.The fluidization membrane 5 of installing between streaming tank feed bin 4 of the present utility model and the fluidizing chamber 6 is to be made by wool felt, and there is installing hole at the center that reaches on every side.Output section of the present utility model installs blowback wind 10 additional for being positioned at feed bin 4 top discharge pipelines and bleeder valve 9 on bleeder valve 9.Emptied part of the present utility model is that the blow-down pipe and the atmospheric valve 12 at feed bin top installs blowback wind 13 additional on its atmospheric valve 12.Bleeder valve 9 of the present utility model and atmospheric valve 12 all adopt the air-cylinder type ball valve, and all installing blowback wind on its valve 9 and valve 12 additional is for its spool valve seat reduces wear, and reinforced smooth and easy.For pressure switch is not stopped up by catalyst, on the pressure switch branch line, install blowback wind 28 additional, guarantee that the utility model runs well.The specific practice that installs blowback wind additional is to punch on valve body separately, welds 4 separately and is in charge of, and connects φ 8mm plastic tube and gets final product.All installing the atmospheric valve branch line additional on the pipeline of its bleeder valve 9 and on the pipeline of atmospheric valve 12, result of use can be better.18,14 be atmospheric valve.Install additional at fluidizing chamber 6 places of streaming tank of the present utility model 3 bottoms with being communicated with the discharging pipeline communicating pipe of valve 11 controls, its effect is the catalyst of removing fluidizing chamber, connected mode with install the blowback wind facies additional seemingly.The part of weighing of the present utility model is made up of pneumatic control case 20 and pneumatic scale 19.Pneumatic control case 20 is assemblies of weight detecting control system, comprises source of the gas 24, weight switch 27 and weight table 25, and 26 for adjusting button zero point.Export 23 serial connection choke valves 21 of indicating pressure gauge and air-capacitor 22 at pneumatic scale 19, its effect is to reduce vibration.Capital equipment has PLC programmable controller 16 in the control cabinet 15 of the present utility model, 24U voltage-stabilized power supply 17, single control magnetic valve (being used to control each gas control external valve) and digital display.In catalytic cracking was produced, the utility model position of its streaming tank 3 when mounted should be lower than catalyst storage tank 29 as far as possible.30 is the regenerator of catalytic cracking unit.To make the setting value of discharging pressure be lower than the system pressure value in addition, can prolong the life cycle of bleeder valve like this.Operation principle of the present utility model is as follows:
When feeding study on period time that cyclelog 16 is controlled then, pressure switch PS, detected pressure is near normal pressure and connection, and program will at first be opened charging valve after 2 a bit of times, open charging valve 1, beginning is reinforced toward feed bin of the present utility model by catalyst batch can 29.Detect charge weight then, pressure switch PS by pneumatic scale 19
4Connect, program will at first be closed charging valve 1, close charging valve 2 after a bit of time and close atmospheric valve 12.When the cyclelog detection confirms that charging valve 2 cuts out, begin to open fluidisation valve 7, in fluidizing chamber 6, feed fluidized winds.When detecting fluidizing chamber pressure, program controller reaches a certain value and PS
2During connection, program controller will be opened bleeder valve 9, and beginning is carried catalyst toward regenerator 30.When catalyst transport is finished and make the conveying blast drop to a certain value, PS
1Connection also makes program carry out the continuation discharging (purging) of 2 fens clock times.2 fens clock times then, program controller will be closed bleeder valve 9, fluidisation valve 7, open atmospheric valve 12, make the logical atmosphere of feed bin 4, and wait for the arrival of next feeding study on period.Set on the program-controlled device of feeding study on period, charge weight can pass through PS
4Or adjust pneumatic scale output and decide.
Claims (5)
1, a kind of automatic catalyst-feeding device comprises streaming tank, feeding section, fluidisation part, output section, emptied part and weighs part and control cabinet; Streaming tank (3) top is that feed bin (4), bottom are fluidizing chamber (6), separates by fluidization membrane (5) between its feed bin (4) and the fluidizing chamber (6); 2 charging valves of serial connection on the charge line at the feed bin top of feeding section, the discharging pipeline of output section is provided with on the blow-down pipe of bleeder valve (9) and emptied part atmospheric valve (12) is housed; It is characterized in that all installing blowback wind additional on the atmospheric valve (12) of the bleeder valve (9) at feed bin (4) top and emptied part at feeding section.
2, automatic catalyst-feeding device according to claim 1 is characterized in that fluidizing chamber (6) at streaming tank is located to install additional to be communicated with the discharging pipeline communicating pipe.
3, automatic catalyst-feeding device according to claim 1 and 2 is characterized in that all installing the atmospheric valve branch line additional on the pipeline of bleeder valve (9) and on the pipeline of atmospheric valve (12).
4, automatic catalyst-feeding device according to claim 1 and 2 is characterized in that exporting at pneumatic scale (19) and is connected in series air-capacitor (22) between indicating pressure gauge (23).
5,, it is characterized in that on the pressure switch branch line, installing additional blowback wind (28) according to claim 1 or 2 described automatic catalyst-feeding devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211858 CN2467174Y (en) | 2001-02-28 | 2001-02-28 | Catalyst automatic feeding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211858 CN2467174Y (en) | 2001-02-28 | 2001-02-28 | Catalyst automatic feeding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2467174Y true CN2467174Y (en) | 2001-12-26 |
Family
ID=33631169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01211858 Expired - Fee Related CN2467174Y (en) | 2001-02-28 | 2001-02-28 | Catalyst automatic feeding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2467174Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388969C (en) * | 2005-09-09 | 2008-05-21 | 中国石油化工股份有限公司 | Slurry or liquid catalyst feeding device |
| CN101724109B (en) * | 2008-10-30 | 2011-10-12 | 中国石油化工股份有限公司 | Device of catalyst feed pipeline for olefin polymerization process |
| CN102616568A (en) * | 2012-04-13 | 2012-08-01 | 上海蓝科石化工程技术有限公司 | Dust-free automatic catalyst conversion system of catalytic cracking device |
| CN102875294A (en) * | 2011-07-12 | 2013-01-16 | 中国石油化工股份有限公司 | Start-up method of reaction-regeneration device for preparing low-carbon olefins from methanol |
| CN103349945A (en) * | 2013-07-11 | 2013-10-16 | 陕西煤化工技术工程中心有限公司 | Movable type catalyst charging device and charging method thereof |
| CN103623751A (en) * | 2013-11-05 | 2014-03-12 | 深圳市泓耀环保有限公司 | Automatic solid catalytic promoter adding system |
| CN109879056A (en) * | 2019-03-01 | 2019-06-14 | 成都瑞柯林工程技术有限公司 | The delivery method of powder |
-
2001
- 2001-02-28 CN CN 01211858 patent/CN2467174Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388969C (en) * | 2005-09-09 | 2008-05-21 | 中国石油化工股份有限公司 | Slurry or liquid catalyst feeding device |
| CN101724109B (en) * | 2008-10-30 | 2011-10-12 | 中国石油化工股份有限公司 | Device of catalyst feed pipeline for olefin polymerization process |
| CN102875294A (en) * | 2011-07-12 | 2013-01-16 | 中国石油化工股份有限公司 | Start-up method of reaction-regeneration device for preparing low-carbon olefins from methanol |
| CN102875294B (en) * | 2011-07-12 | 2015-01-07 | 中国石油化工股份有限公司 | Start-up method of reaction-regeneration device for preparing low-carbon olefins from methanol |
| CN102616568A (en) * | 2012-04-13 | 2012-08-01 | 上海蓝科石化工程技术有限公司 | Dust-free automatic catalyst conversion system of catalytic cracking device |
| CN102616568B (en) * | 2012-04-13 | 2013-09-25 | 上海蓝科石化工程技术有限公司 | Dust-free automatic catalyst conversion system of catalytic cracking device |
| CN103349945A (en) * | 2013-07-11 | 2013-10-16 | 陕西煤化工技术工程中心有限公司 | Movable type catalyst charging device and charging method thereof |
| CN103349945B (en) * | 2013-07-11 | 2016-04-13 | 陕西煤化工技术工程中心有限公司 | A kind of portable catalyst feeding device and charging process thereof |
| CN103623751A (en) * | 2013-11-05 | 2014-03-12 | 深圳市泓耀环保有限公司 | Automatic solid catalytic promoter adding system |
| CN109879056A (en) * | 2019-03-01 | 2019-06-14 | 成都瑞柯林工程技术有限公司 | The delivery method of powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |