CN107695289A - A kind of glass preparation device - Google Patents

Abstract

The present invention relates to a kind of equipment for preparing glass, disintegrating apparatus is used more particularly to one kind, screening plant, peel-off device, classifying equipoment prepare the package of glass, including feed arrangement, the refreshing appliance also includes fine crusher, screening machine, stripping machine, grader, belt dust-precipitator, described feed arrangement docks with fine crusher, the fine crusher is connected by bucket elevator with screening machine, screening machine connects with chute, screening machine connects with stripping machine again simultaneously, the stripping machine connects with grader, classification motor spindle is provided with gravity type lock wind discharge valve one, described grader connects with belt dust-precipitator again, the production technology of the more traditional wet method washing renovation of the production technology has floor space small, climate influences also small, the pollution to water source is not caused simultaneously yet.

Description

A kind of glass preparation device

Technical field

The present invention relates to a kind of equipment for preparing glass, and in particular to one kind is using disintegrating apparatus, screening plant, stripping Equipment, classifying equipoment prepare the package of glass.

Background technology

Water-glass sand is a kind of moulding of the Foundry Works during castings production, core manufacturing craft.Water-glass sand is by pure Artificial or natural siliceous sand add 4.5%~8.0% waterglass chemical molecular formula and be formulated for Na2OmSiO2.

China will discharge the cast used sand above of millions of tons every year, because discarded old sand is alkalescence, stack it Not even a blade of grass grows at place, largely causes the pollution of environment.And it is perfect with a series of mining structures of the law, disorderly open The phenomenon of quartz sand has also obtained effective containment.So that constantly skyrocketing for casting quartz sand price, causes most of tradition Sand casting enterprise must not take no action to realize the recycling and reuse of old sand renovation to reduce production cost, and reduce pair The pollution of environment.

Casting use after waterglass sand grains remained on surface have Na2O coatings, with fresh sand is secondary be blended use when necessarily cause The accumulation of excessive Na2O coatings, the Na2O coatings on sand grains top layer can deteriorate the refractoriness and gas permeability of sand, cause casting to occur The casting flaws such as scab, sand washing, stomata.Used used sodium silicate sand reuses if being renovated without peeling simultaneously, residual Stay the oxide in old sand excessive, can also reduce refractoriness and gas permeability, can even be formed sometimes on the surface of big, thick casting molten Vitreum cinder hole, cinder hole excessively directly can cause the casting later stage that other remedial measures can not be taken to directly contribute scrapping for casting.

On present society, preparing the technique of glass has following two, and a kind of is the production of traditional wet method washing renovation Technique, wet method water-washing process cardinal principle are that the Na2O coatings for making old sand grain top layer are dissolved in water, so as to realize old sand renovation Recycle.The production technology is relatively simple, because the Na2O coatings on old sand grain top layer are dissolved in water in production process so that The water discharged after washing causes the pollution of water for alkalescence again.It is larger that old sand place area occupied is dried simultaneously, climate Influence it is also big, some small business from far-off regions are also using, but for the relatively flourishing large and medium-sized enterprise of economy It is very inapplicable.Another kind is the production technology using the renovation of advanced used sodium silicate sand dry method.Though the production technology effect It is good, but up-front investment is larger, and production line floor space is also big, and energy consumption is also high, is primarily adapted for use in large-scale foundry enterprise.For this pin To this situation, our company has researched and developed a set of economic, applicable production equipment for preparing glass, production technology investment Few, floor space is also small, is the ideal chose of middle-size and small-size foundry enterprise old sand renovation.

The content of the invention

It is an object of the invention to customer service deficiency of the prior art, a kind of investment of offer is small, and production line occupation of land face is small, The low old sand refreshing appliance of energy consumption.

The object of the present invention is achieved like this：

A kind of glass preparation device, including feed arrangement, the refreshing appliance also include fine crusher, screening machine, stripping machine, classification Machine, belt dust-precipitator, described feed arrangement are docked with fine crusher, and the fine crusher is connected by bucket elevator with screening machine, Screening machine is connected with chute, and screening machine connects with stripping machine again simultaneously, and the stripping machine connects with grader, and classification motor spindle is set There is gravity type lock wind discharge valve one, described grader connects with belt dust-precipitator again.

Described feed arrangement includes feeding conveyer belt, raw material cabin, and described feeding conveyer belt docks with raw material cabin, described Raw material cabin lower part outlet connection belt feeder, belt feeder docks with fine crusher.

The intermediate bunker for temporarily storing old sand is provided between described screening machine and stripping machine, is gone out under intermediate bunker Mouth connection revolving plow reclaimer, revolving plow reclaimer connect with stripping machine.

Gate is provided between described intermediate bunker and revolving plow reclaimer.

The lower end of described belt dust-precipitator is provided with gravity type lock wind discharge valve 2 15.

Described chute is the groove-like structure that impurity particle, old sand particle of the particle diameter more than 2mm are transported to ground.

Described screening machine is the linear vibrating screen that sieve diameter is 2mm.

A kind of technique for preparing glass, its technique are as follows：

1）Remained on surface there is into the old sand raw material of Na2O coatings by the broken apart of fine crusher first time Na2O coatings, controls grain Old sand particle of the degree more than 2mm accounts for less than 10%, is delivered to after separation in screening machine；

2）Old sand particle is sieved by screening machine, impurity particle, old sand particle of the particle diameter more than 2mm are transported to ground Face, old sand particle of the particle diameter less than 2mm are entered in stripping machine；

3）The broken stripping of the Na2O coatings of second of old sand particle surface is carried out in stripping machine, ensures old sand particle surface Na2O coatings largely remove, then into seperator；

4）In seperator, the Na2O coating that is stripped of the granularity less than 0.075mm and particle are inhaled into belt dust-precipitator Interior, granularity is more than qualified particles of the 0.075mm less than 2mm and locks the discharge point of wind discharge valve one by the gravity type of grader bottom Outside level machine.

1）In step, feeding conveyer belt is by old sand feedstock transportation to raw material cabin, then through the connection of raw material cabin lower part outlet Belt feeder is delivered in fine crusher, and screening machine Inside sifter is delivered to by bucket elevator again after in small, broken bits.

2）In, impurity particle, old sand particle of the particle diameter more than 2mm after screening machine sieves are delivered to by chute Bottom surface, old sand particle of the particle diameter less than 2mm is introduced into intermediate bunker, then by the leaf with outlet under intermediate bunker Wheel batcher enters stripping machine.

The present invention has the advantage that：

Reclaimed sand after process system production is excellent in the formula of the technological experiment for sodium silicate binder type (core) sand Change experiment to show, in the work that reclaimed sand addition is 100%, waterglass addition is 5% and carbon dioxide gassing time is 10s Under the conditions of skill, the compression strength of molding sand is more than 0.9Mpa, can reach the requirement of production, and the regeneration old sand can substitute major part completely New sand molding, coremaking.

The production technology of the more traditional wet method washing renovation of the production technology has that floor space is small, climate influences It is small, while do not cause the pollution to water source yet.The production technology for comparing another advanced used sodium silicate sand dry method renovation has The advantages of technological process is simple, small investment, floor space are few.

Brief description of the drawings

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the flow chart of the present invention.

Embodiment

With reference to specific embodiment, the invention will be further described.

As indicated with 1, a kind of glass preparation device, including feed arrangement, the refreshing appliance also include fine crusher 4, screening machine 6th, stripping machine 11, grader 12, belt dust-precipitator 14, described feed arrangement dock with fine crusher 4, and the fine crusher 4 passes through bucket Formula elevator 5 connects with screening machine 6, and screening machine 6 connects with chute 7, and screening machine 6 connects with stripping machine 11 again simultaneously, the stripping Machine 11 connects with grader 12, and the bottom of grader 12 is provided with gravity type lock wind discharge valve 1, described grader 12 again with Belt dust-precipitator 14 connects.

Described feed arrangement includes feeding conveyer belt 1, raw material cabin 2, and described feeding conveyer belt 1 docks with raw material cabin 2, The described lower part outlet of raw material cabin 2 connection belt feeder 3, belt feeder 3 dock with fine crusher 4.

The intermediate bunker 8 for temporarily storing old sand, intermediate bunker are provided between described screening machine 6 and stripping machine 11 8 times outlet revolving plow reclaimers 10, revolving plow reclaimer 10 connect with stripping machine 11.

Gate 9 is provided between described intermediate bunker 8 and revolving plow reclaimer 10.

The lower end of described belt dust-precipitator 14 is provided with gravity type lock wind discharge valve 2 15.

Described chute 7 is the groove-like structure that impurity particle, old sand particle of the particle diameter more than 2mm are transported to ground.

Described screening machine 6 is the linear vibrating screen that sieve diameter is 2mm.

As shown in Figure 1, 2, a kind of technique for preparing glass, its technique are as follows：

1）The old sand raw material that remained on surface there are Na2O coatings is passed through into the broken apart of fine crusher 4 first time Na2O coatings, control Old sand particle of the granularity more than 2mm accounts for less than 10%, is delivered to after separation in screening machine 6；

2）Old sand particle is sieved by screening machine 6, impurity particle, old sand particle of the particle diameter more than 2mm are transported to ground Face, old sand particle of the particle diameter less than 2mm are entered in stripping machine 11；

3）The broken stripping of the Na2O coatings of second of old sand particle surface is carried out in stripping machine 11, ensures old sand particle surface Na2O coatings largely remove, then into seperator 12；

4）In seperator 12, the Na2O coating that is stripped of the granularity less than 0.075mm and particle are inhaled into belt and gathered dust In device 14, granularity is more than qualified particles of the 0.075mm less than 2mm and locks wind discharge valve one by the gravity type of the bottom of grader 12 Outside 13 discharge graders 12.

1）In step, feeding conveyer belt 1 connects by old sand feedstock transportation to raw material cabin 2, then through the lower part outlet of raw material cabin 2 Belt feeder 3 be delivered in fine crusher 4, be delivered to the Inside sifter of screening machine 6 by bucket elevator 5 again after in small, broken bits.

2）In, impurity particle, old sand particle of the particle diameter more than 2mm after the screening of screening machine 6 are conveyed by chute 7 To bottom surface, old sand particle of the particle diameter less than 2mm is introduced into intermediate bunker 8, is then passed through and 8 times outlets of intermediate bunker Revolving plow reclaimer 10 enter stripping machine 11.

The implementation process of the present invention is as follows：

（1）, used sodium silicate sand run into the tup of high speed rotate counterclockwise after entering the body of fine crusher, meet head on to impact by tup, Relatively large old sand is broken immediately, and broken sand flies at a high speed counterpunch board, carries out second of collision and crushes, the old sand after bounce-back is with after Continuous sudden old sand mutually hits broken.The shattering process, which realizes waterglass sand grains remained on surface, the first time of Na2O coatings Partial crushing separates.

（2）, it is broken after old sand entered after the discharge gate discharge below fine crusher body by elevator into screening machine The old sand sand lump of the impurity and granularity such as row screening, the scum contained in old sand, iron block more than 2 millimeters is in screening process along sieve The chute of body discharge end directly slips to ground, screenings and is directly entered intermediate bunker.The screening process is realized into middle material The old sand particle in storehouse is respectively less than 2 millimeters of granularity requirements.

（3）, granularity less than 2 millimeters used sodium silicate sand deposit intermediate bunker after, through the gate and leaf below warehouse Take turns batcher feeding stripping machine, the impeller of stripping machine under the influence of centrifugal force dishes out at a high speed old sand grain impeller, and carries out sand Mutual shock between grain and sand grains, between sand grains and regenerating device housing abrasion-proof backing block carries out the stripping of Na2O coatings with friction.The mistake Journey, which completes waterglass sand grains remained on surface, second of stripping hit, rubbed of Na2O coatings.

（4）, the mixing old sand after the generation of stripped machine be directly entered grader via the conical outlet below body, mixing Old sand is divided into the different two kinds of particles of granule size by old sand inside grader, and both old sands pass through below body One-way lock wind discharge valve is discharged.The relatively small grains of sand of Na2O coatings and granularity after stripping been separated in belt dust-precipitator In dust collecting sleeve, discharged via the one-way lock wind discharge valve below dust-precipitator.

Claims (10)

1. a kind of glass preparation device, including feed arrangement, it is characterised in that：The refreshing appliance also includes fine crusher（4）, screening Machine（6）, stripping machine（11）, grader（12）, belt dust-precipitator（14）, described feed arrangement and fine crusher（4）Docking, this is thin Broken machine（4）Pass through bucket elevator（5）With screening machine（6）Connection, screening machine（6）With chute（7）Connection, screening machine（6）Simultaneously And and stripping machine（11）Connection, the stripping machine（11）With grader（12）Connection, grader（12）Bottom is provided with gravity type lock Wind discharge valve one（13）, described grader（12）And with belt dust-precipitator（14）Connection.

A kind of 2. glass preparation device according to claim 1, it is characterised in that：It is defeated that described feed arrangement includes feeding Send band（1）, raw material cabin（2）, described feeding conveyer belt（1）With raw material cabin（2）Docking, described raw material cabin（2）Lower part outlet Connect belt feeder（3）, belt feeder（3）With fine crusher（4）Docking.

A kind of 3. glass preparation device according to claim 1, it is characterised in that：Described screening machine（6）With stripping machine （11）Between be provided with for temporarily store old sand intermediate bunker（8）, intermediate bunker（8）Lower outlet revolving plow reclaimer （10）, revolving plow reclaimer（10）With stripping machine（11）Connection.

A kind of 4. glass preparation device according to claim 3, it is characterised in that：Described intermediate bunker（8）And impeller Batcher（10）Between be provided with gate（9）.

A kind of 5. glass preparation device according to claim 1, it is characterised in that：Described belt dust-precipitator（14）Under End is provided with gravity type lock wind discharge valve two（15）.

A kind of 6. glass preparation device according to claim 1, it is characterised in that：Described chute（7）For particle diameter is big Impurity particle, old sand particle in 2mm are transported to the groove-like structure on ground.

A kind of 7. glass preparation device according to claim 1, it is characterised in that：Described screening machine（6）It is straight for sieve aperture Footpath is 2mm linear vibrating screen.

A kind of 8. technique for carrying out preparing glass using equipment as claimed in claim 1, it is characterised in that：Its technique is as follows：

1）The old sand raw material that remained on surface there are Na2O coatings is passed through into fine crusher（4）Broken apart, the control of first time Na2O coating Old sand particle of the granulation degree more than 2mm accounts for less than 10%, and screening machine is delivered to after separation（6）It is interior；

2）Pass through screening machine（6）Old sand particle is sieved, impurity particle, old sand particle of the particle diameter more than 2mm are transported to Ground, old sand particle of the particle diameter less than 2mm enter stripping machine（11）It is interior；

3）In stripping machine（11）The broken stripping of the interior Na2O coatings for carrying out second of old sand particle surface, ensures old sand particle table The Na2O coatings in face largely remove, then into seperator（12）It is interior；

4）In seperator（12）Interior, the Na2O coating that is stripped of the granularity less than 0.075mm and particle are inhaled into belt receipts Dirt device（14）Interior, granularity is more than qualified particles of the 0.075mm less than 2mm and passes through grader（12）The gravity type lock wind of bottom unloads Expect valve one（13）Discharge grader（12）It is outside.

A kind of 9. technique for preparing glass according to claim 8, it is characterised in that：1）In step, feeding conveyer belt（1） By old sand feedstock transportation to raw material cabin（2）It is interior, then through raw material cabin（2）The belt feeder of lower part outlet connection（3）It is delivered to thin Broken machine（4）It is interior, pass through bucket elevator again after in small, broken bits（5）It is delivered to screening machine（6）Inside sifter.

A kind of 10. technique for preparing glass according to claim 8, it is characterised in that：2）In, by screening machine（6） Impurity particle, old sand particle of the particle diameter more than 2mm after screening passes through chute（7）Bottom surface is delivered to, particle diameter is less than 2mm old sand Particle is introduced into intermediate bunker（8）In, then pass through and intermediate bunker（8）The revolving plow reclaimer of lower outlet（10）Into To stripping machine（11）.