CN103691215A - Heat preservation powder negative pressure recycling system in production of refractory material by using fusion casting method - Google Patents

Heat preservation powder negative pressure recycling system in production of refractory material by using fusion casting method Download PDF

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Publication number
CN103691215A
CN103691215A CN201310678008.9A CN201310678008A CN103691215A CN 103691215 A CN103691215 A CN 103691215A CN 201310678008 A CN201310678008 A CN 201310678008A CN 103691215 A CN103691215 A CN 103691215A
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China
Prior art keywords
refractory
negative pressure
valve
insulating powder
deduster
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CN201310678008.9A
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Chinese (zh)
Inventor
魏晓敏
王晓东
周新套
杨继伟
朱卫科
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ZHENGZHOU DONGFANG ANCAI REFRACTORY CO Ltd
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ZHENGZHOU DONGFANG ANCAI REFRACTORY CO Ltd
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Priority to CN201310678008.9A priority Critical patent/CN103691215A/en
Publication of CN103691215A publication Critical patent/CN103691215A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of refractory material production, and in particular relates to a heat preservation powder recycling system in production of a refractory material by using a fusion casting method. The system comprises a material purification system, a negative pressure vacuum system and a material recycling system, wherein a suction nozzle (1) and a soft connecting tube (2) are positioned inside a material tank (3) in the material purification system; the suction nozzle (1) is connected with a dust collector (5) through the soft connecting tube (2) and a transmission pipeline (4) in sequence; a vacuum pump (7) is connected with the dust collector (5) through a draft tube (6) in the negative pressure vacuum system; in the material recycling system, the upper part of a middle material cabin (10) is connected with the dust collector (5), and the lower part of the middle material cabin is connected with a material warehouse (11); a conveyer (12) is arranged at the bottom of the material warehouse (11) and is used for conveying a material to a material tank (13). The heat preservation powder negative pressure recycling system provided by the invention is thorough in heat preservation powder recycling, high in efficiency and free of dust pollution and simple and convenient to operate, and has good economic and environment-friendly benefits.

Description

A kind of fusion casting is produced insulating powder negative pressure recovery system in refractory material process
Technical field
The invention belongs to refractory material production technical field, be specifically related to a kind of fusion casting and produce the insulating powder recovery system in refractory material process.
Background technology
Refractory material especially fusion casting is produced in refractory material process, the insulating powder for example adopting in founding corundum brick production process, because granularity is thinner, particle diameter is greatly about 60 microns of left and right, in recovery, purification process, easily produce a large amount of dust, operator's health is caused to significant damage, also easily cause environmental pollution, a large amount of insulating powders of excess loss simultaneously.And in prior art, still lack comparatively effectively insulating powder recovery system.
Summary of the invention
The object of the invention is to provide a kind of fusion casting to produce insulating powder recovery system in refractory material process, to realize effective reclaiming clean of insulating powder.
The technical scheme that the present invention takes is:
Fusion casting is produced an insulating powder negative pressure recovery system in refractory material process, comprises material cleaning system, negative-pressure vacuum system, material recovering system;
Described material cleaning system comprises suction nozzle 1, hose connector 2, hopper 3, transmission pipeline 4, deduster 5, flapper valve 28; Wherein suction nozzle 1 and hose connector 2 are positioned at hopper 3, and suction nozzle 1 is connected with deduster 5 with transmission pipeline 4 by hose connector 2 successively; On flapper valve 28 settings and the outer transmission pipeline 4 of hopper 3; Described suction nozzle 1 comprises inner and outer tubes, and outer tube is realized and being moved up and down by adjusting bolt;
Described negative-pressure vacuum system comprises vavuum pump 7 and induced duct 6, and vavuum pump 7 is connected with deduster 5 by induced duct 6;
Described material recovering system comprises intermediate bunker 10, material storehouse 11, conveyer 12 and hopper 13; Intermediate bunker 10 is funnel-shaped structure, and top is connected with deduster 5, receives the material that deduster 5 discharges, and Yu Liao storehouse, bottom 11 is connected; Material storehouse 11 is funnel-shaped structure, and bottom is provided with conveyer 12, and conveyer 12 transports material to hopper 13 again to recycle.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, expects that 11 bottoms, storehouse are provided with material gasification and put 14 in material recovering system, and gasification installation 14 connects valve 19, air accumulator 17, air compressor machine 16 successively by gasification pipe 15.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, and in material cleaning system, deduster 5 is fiber bag precipitator, separated to realize gas powder; Deduster 5 is provided with dust and washes away inflatable mouth, and dust washes away inflatable mouth and connects successively valve 18, air accumulator 17, air compressor machine 16 by air compressing pipeline 26.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, and negative-pressure vacuum system intermediate pump is Roots vaccum pump; Induced duct 6 is provided with air admission valve 8 and flapper valve 9.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, and in material cleaning system, deduster 5 bottoms are provided with air-actuated feeding valve 21; In material recovering system, intermediate bunker 10 tops are provided with Pneumatic balanced valve 22, and bottom is provided with pneumatic outlet valve 23.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, expects that 11 tops, storehouse are provided with vacuum release valve 27 in material recovering system, material storehouse 11 is exerted an influence when preventing excessive negative pressure, guarantees the normal operation of system; Material 11 bottoms, storehouse are provided with flapper valve 20, to stop the landing of material;
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, expects that 11 tops, storehouse are provided with high charge level meter 24 in material recovering system, and bottom is provided with low level-sensing device 25, to monitor the interior material storing situation in material storehouse 11.
Described fusion casting is produced insulating powder negative pressure recovery system in refractory material process, and in material recovering system, conveyer 12 is conveying worm.
Fusion casting provided by the present invention is produced insulating powder negative pressure recovery system main design thought in refractory material process, negative pressure state in negative-pressure vacuum System Assurance material cleaning system in transmission pipeline, insulating powder in hopper enters in deduster by transmission pipeline via suction nozzle, makes gas powder separated.And other impurity in hopper, material piece are because Action of Gravity Field is stayed in incubator, finally by manually removing.Insulating powder through the separation of gas powder in deduster falls into material storehouse by intermediate bunker, material storehouse is provided with vacuum pressure relief valve, material storehouse is exerted an influence when preventing excessive negative pressure, the normal operation of assurance system, in material storehouse side, be provided with high and low level-sensing device simultaneously, to grasp at any time material level situation in material storehouse, and send in real time alarm signal, cone bottom in storehouse installs gasification installation additional, in case insulating powder hardens, blowing difficulty, is finally transported to hopper for re-using with tube-type spiral conveyer by insulating powder.
In deduster in the separation process of gas powder, for preventing that insulating powder from being intercepted on bag wall by filter bag, by dust, washing away inflatable mouth utilizes the compressed air that air compressor produces to carry out pulsed blowback to cloth bag, thereby the insulating powder on cloth bag wall is shaken off, and the pure air after cloth bag is discharged in atmosphere by vavuum pump again.
Air-actuated feeding valve, intermediate bunker top are set in deduster bottom to be arranged main purpose that Pneumatic balanced valve, intermediate bunker bottom arrange pneumatic outlet valve and is to control the conveying to insulating powder in the conveying of intermediate bunker and intermediate bunker to material storehouse of insulating powder that deduster separates.In system running, insulating powder separated in deduster is before carrying to intermediate bunker, the position that Pneumatic balanced valve is communicated with intermediate bunker in deduster, now air-actuated feeding valve is in opening, pneumatic outlet valve is in closed condition, now deduster and intermediate bunker pressure balance, intermediate bunker is equally in negative pressure state, and the isolated material of deduster falls under gravity into intermediate bunker.When intermediate bunker stores material capacity or storage time while reaching setting value, air-actuated feeding valve cuts out automatically, Pneumatic balanced valve is switched to the position that intermediate bunker is communicated with material storehouse, and now intermediate bunker is with material storehouse in atmospheric pressure state, and pneumatic outlet valve is opened and started to unload insulating powder to material storehouse.When intermediate bunker unloads the insulating powder time, reach when setting value, pneumatic outlet valve is closed automatically, and Pneumatic balanced valve is switched to intermediate bunker and is communicated with position with deduster, the unlatching of air-actuated feeding valve.Said process is circular flow successively, realizes insulating powder conveying to material storehouse through intermediate bunker that deduster is separated.The vacuum release valve that material storehouse top arranges i.e. atmospheric pressure state in order to realize intermediate bunker in said system running and to expect that storehouse is communicated with arranges.
In fusion casting production refractory material process provided by the present invention, in insulating powder negative pressure recovery system, suction nozzle adopts double-sleeve structure.Suction nozzle is comprised of inner and outer tubes, and outer tube can be realized and being moved up and down by adjusting bolt, thereby regulates the end clearance between inner and outer pipes.When suction nozzle is worked, the suction nozzle inner tube of inserting stockpile appropriate depth has certain vacuum, and air, through two approach sources, enters suction nozzle inner tube, and a part is by the bed of material and carry insulating powder and enter inner tube by suction inlet, and this part air is called conveying air; Another part enters inner tube via the annular space between inner and outer pipes from end clearance, and this part air is called supplementary air, and the effect that supplements air is the conveying air velocity that helps quilt fortune insulating powder Particle Acceleration and regulate inner tube, makes gas material have most suitable mixing ratio.
In negative-pressure vacuum system, adopted vacuum breaking valve device, main purpose is in order to ensure protection system safe operation.Because negative-pressure pneumatic transmission system is in when operation, air quantity and evaluation have different, thus when system is moved by vacuum breaking valve opening, to reach system, move in the best condition.
Fusion casting provided by the present invention is produced insulating powder negative pressure recovery system in refractory material process, and in general, insulating powder reclaims comparatively thorough, efficiently and not can produce dust pollution, easy and simple to handle, has good economic environmental benefit.
Accompanying drawing explanation
Fig. 1 is that fusion casting provided by the present invention is produced insulating powder negative pressure recovery system schematic diagram in refractory material process.
The specific embodiment
Below in conjunction with embodiment the present invention will be further explained explanation.
Embodiment
As shown in Figure 1, in fusion casting production refractory material process provided by the present invention, insulating powder negative pressure recovery system comprises material cleaning system, negative-pressure vacuum system, material recovering system.
Described material cleaning system comprises suction nozzle 1, hose connector 2, hopper 3, transmission pipeline 4, deduster 5, flapper valve 28; Wherein suction nozzle 1 and hose connector 2 are positioned at hopper 3, and suction nozzle 1 is connected with deduster 5 with transmission pipeline 4 by hose connector 2 successively; Flapper valve 28 is arranged on the outer transmission pipeline 4 of hopper 3;
Described suction nozzle 1 comprises inner and outer tubes, and outer tube is realized and being moved up and down by adjusting bolt; Thereby the end clearance between adjusting inner and outer pipes.When suction nozzle is worked, the suction nozzle inner tube of inserting stockpile appropriate depth has certain vacuum, and air, through two approach sources, enters suction nozzle inner tube, and a part is by the bed of material and carry insulating powder and enter inner tube by suction inlet, and this part air is called conveying air; Another part enters inner tube via the annular space between inner and outer pipes from end clearance, and this part air is called supplementary air, and the effect that supplements air is the conveying air velocity that helps quilt fortune insulating powder Particle Acceleration and regulate inner tube, makes gas material have most suitable mixing ratio.
Described deduster 5 is fiber bag precipitator, separated to realize gas powder; Deduster 5 is provided with dust and washes away inflatable mouth, and dust washes away inflatable mouth and connects successively valve 18, air accumulator 17, air compressor machine 16 by air compressing pipeline 26.In the separation process of the interior gas powder of deduster 5, for preventing that insulating powder from being intercepted on bag wall by filter bag, by dust, washing away inflatable mouth utilizes the compressed air that air compressor produces to carry out pulsed blowback to cloth bag, thereby the insulating powder on cloth bag wall is shaken off, and the pure air after cloth bag is discharged in atmosphere by vavuum pump again.
Described negative-pressure vacuum system comprises vavuum pump 7 and induced duct 6, and vavuum pump 7 is connected with deduster 5 by induced duct 6; Described vavuum pump is Roots vaccum pump; Induced duct 6 is provided with air admission valve 8 and flapper valve 9.The main purpose that air admission valve 8 devices are set is in order to ensure system safety operation.Because negative-pressure pneumatic transmission system is when moving, air quantity and evaluation have different, therefore when system is moved, pass through to regulate the aperture of air admission valve 8, to reach system, move in the best condition.
Described material recovering system comprises intermediate bunker 10, material storehouse 11, conveyer 12 and hopper 13, and intermediate bunker 10 is funnel-shaped structure, and top is connected with deduster 5, receives the material that deduster 5 discharges, and Yu Liao storehouse, bottom 11 is connected; Material storehouse 11 is funnel-shaped structure, and bottom is provided with conveyer 12, and conveyer 12 transports material to hopper 13 again to recycle.
In material recovering system, expect that 11 bottoms, storehouse are provided with material gasification installation 14, in case insulating powder hardens, blowing is difficult; Material gasification installation 14 connects valve 19, air accumulator 17, air compressor machine 16 successively by gasification pipe 15.
In material cleaning system, deduster 5 bottoms are provided with air-actuated feeding valve 21; In material recovering system, intermediate bunker 10 tops are provided with Pneumatic balanced valve 22, and bottom is provided with pneumatic outlet valve 23.Air-actuated feeding valve 21, intermediate bunker 10 tops are set in deduster 5 bottoms to be arranged main purpose that Pneumatic balanced valve 22, intermediate bunker 10 bottoms arrange pneumatic outlet valve 23 and is to control the conveying to the conveying of intermediate bunker 10 and the interior insulating powder of intermediate bunker 10 to material storehouse 11 of insulating powder that deduster 5 separates.In system running, the insulating powder of deduster 5 interior separation is before carrying to intermediate bunker 10, the position that Pneumatic balanced valve 22 is communicated with intermediate bunker 10 in deduster 5, now air-actuated feeding valve 22 is in opening, pneumatic outlet valve 23 is in closed condition, now deduster 5 and intermediate bunker 10 both pressure balances, intermediate bunker 10 is equally in negative pressure state, and 5 isolated materials of deduster fall under gravity into intermediate bunker 10.When intermediate bunker 10 stores material capacity or storage time while reaching setting value, air-actuated feeding valve 21 cuts out automatically, Pneumatic balanced valve 22 is switched to the position that intermediate bunker 10 is communicated with material storehouse 11, now intermediate bunker 10 is with material storehouse 11 in atmospheric pressure state, and pneumatic outlet valve 23 is opened and started to unload insulating powder to material storehouse 11.When intermediate bunker 10 unloads the insulating powder time, reach when setting value, pneumatic outlet valve 23 is closed automatically, and Pneumatic balanced valve 22 is switched to intermediate bunker 10 and is communicated with position with deduster 5,21 unlatchings of air-actuated feeding valve.Said process is circular flow successively, realizes insulating powder conveying to material storehouse 11 through intermediate bunker 10 that deduster 5 is separated.
In material recovering system, expect that 11 tops, storehouse are provided with vacuum release valve 27, material storehouse 11 is exerted an influence when preventing excessive negative pressure, guarantee the normal operation of system; Material 11 bottoms, storehouse are provided with flapper valve 20, to stop the landing of material.
In material recovering system, expect that 11 tops, storehouse are provided with high charge level meter 24, bottom is provided with low level-sensing device 25, to monitor the interior material storing situation in material storehouse 11.
In material recovering system, conveyer 12 is conveying worm.
Fusion casting provided by the present invention is produced insulating powder negative pressure recovery system main design thought in refractory material process, negative pressure state in negative-pressure vacuum System Assurance material cleaning system in transmission pipeline 4, insulating powder in hopper 3 enters in deduster by transmission pipeline 4 via suction nozzle 1, makes gas powder separated.And other impurity in hopper 3, material piece are because Action of Gravity Field is stayed in hopper, finally by manually removing.Insulating powder through the separation of gas powder in deduster 5 falls into material storehouse 11 by intermediate bunker 10, material storehouse 11 is provided with vacuum pressure relief valve 27, material storehouse 11 is exerted an influence when preventing excessive negative pressure, the normal operation of assurance system, in material storehouse 11 sides, be provided with high and low level-sensing device 24,25 simultaneously, to grasp at any time the interior material level situation in material storehouse 11, and send in real time alarm signal, cone bottom in storehouse installs fluidizer additional, in case insulating powder hardens, blowing difficulty, is finally transported to hopper for re-using with tube-type spiral conveyer by insulating powder.
Fusion casting provided by the present invention is produced insulating powder negative pressure recovery system in refractory material process, and in general, insulating powder reclaims comparatively thorough, efficiently and not can produce dust pollution, easy and simple to handle, has good economic environmental benefit.

Claims (8)

1. fusion casting is produced an insulating powder negative pressure recovery system in refractory material process, it is characterized in that, this system comprises material cleaning system, negative-pressure vacuum system, material recovering system;
Described material cleaning system comprises suction nozzle (1), hose connector (2), hopper (3), transmission pipeline (4), deduster (5), flapper valve (28); Wherein suction nozzle (1) and hose connector (2) are positioned at hopper (3), and suction nozzle (1) is connected with deduster (5) with transmission pipeline (4) by hose connector (2) successively; Flapper valve (28) is arranged on the outer transmission pipeline of hopper (3) (4);
Described negative-pressure vacuum system comprises vavuum pump (7) and induced duct (6), and vavuum pump (7) is connected with deduster (5) by induced duct (6);
Described material recovering system comprises intermediate bunker (10), material storehouse (11), conveyer (12) and hopper (13); Intermediate bunker (10) is funnel-shaped structure, and top is connected with deduster (5), and Yu Liao storehouse, bottom (11) is connected; Material storehouse (11) is funnel-shaped structure, and bottom is provided with conveyer (12), and conveyer (12) below is provided with hopper (13).
2. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, in material recovering system, bottom, material storehouse (11) is provided with material gasification installation (14), and material gasification installation (14) connects valve (19), air accumulator (17), air compressor machine (16) successively by gasification pipe (15).
3. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, in material cleaning system, deduster (5) is fiber bag precipitator, deduster (5) is provided with dust and washes away inflatable mouth, and dust washes away inflatable mouth and connects successively valve (18), air accumulator (17), air compressor machine (16) by air compressing pipeline (26).
4. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, in negative-pressure vacuum system, vavuum pump (7) is Roots vaccum pump, and induced duct (6) is provided with air admission valve (8) and flapper valve (9).
5. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, in material cleaning system, deduster (5) bottom is provided with air-actuated feeding valve (21); In material recovering system, intermediate bunker (10) top is provided with Pneumatic balanced valve (22), and bottom is provided with pneumatic outlet valve (23).
6. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, in material recovering system, material top, storehouse (11) is provided with vacuum release valve (27), and bottom is provided with flapper valve (20).
7. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, material top, storehouse (11) is provided with high charge level meter (24), and bottom is provided with low level-sensing device (25).
8. fusion casting is produced insulating powder negative pressure recovery system in refractory material process as claimed in claim 1, it is characterized in that, conveyer in material recovering system (12) is conveying worm.
CN201310678008.9A 2013-12-13 2013-12-13 Heat preservation powder negative pressure recycling system in production of refractory material by using fusion casting method Pending CN103691215A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108298322A (en) * 2017-12-28 2018-07-20 天津派瑞环境工程技术有限公司 A kind of high temperature granular material unloading and dust pelletizing system
WO2020082570A1 (en) * 2018-10-23 2020-04-30 沭阳凤凰美术颜料有限公司 Purification system for pigment vacuum disperser
CN112551172A (en) * 2020-04-30 2021-03-26 章丘丰源机械有限公司 Environment-friendly pneumatic conveying system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103063036A (en) * 2013-01-29 2013-04-24 韩旭新 Device for negative-pressure sucking, conveying and discharging of sintered bulk materials of multi-tube tunnel kiln car

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103063036A (en) * 2013-01-29 2013-04-24 韩旭新 Device for negative-pressure sucking, conveying and discharging of sintered bulk materials of multi-tube tunnel kiln car

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108298322A (en) * 2017-12-28 2018-07-20 天津派瑞环境工程技术有限公司 A kind of high temperature granular material unloading and dust pelletizing system
WO2020082570A1 (en) * 2018-10-23 2020-04-30 沭阳凤凰美术颜料有限公司 Purification system for pigment vacuum disperser
CN112551172A (en) * 2020-04-30 2021-03-26 章丘丰源机械有限公司 Environment-friendly pneumatic conveying system

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