CN207313444U - Novel pearl rock bloating plant - Google Patents

Abstract

The utility model discloses a kind of Novel pearl rock bloating plant, it includes expansion furnace, charging device and dust pelletizing system, charging device includes the second vibrating mechanism, hopper, feeding mechanism, second vibrating mechanism fixes the top for being located at expansion furnace, hopper is located on the second vibrating mechanism, surge hopper is respectively provided on the outer wall of expansion furnace, and each surge hopper is connected with hopper respectively；Each feeding mechanism is plugged at the feed inlet of expansion furnace respectively, and each feeding mechanism is mutually connected with the feed inlet and surge hopper of expansion furnace respectively, so that treating that expanded perlite enters the high-temperature expansion portion of expansion furnace by feeding mechanism in surge hopper.The utility model can realize steady and continuous, dispersed feed intake to expansion furnace, and charging rate can relatively accurately adjustment control, effectively improve perlite expansion effect, dust particale in tail gas is simultaneously carried out classification using dust pelletizing system and separated and collected by it, achievees the purpose that environmental protection and energy saving with recycling.

Description

Novel pearl rock bloating plant

Technical field

A kind of perlite process equipment is the utility model is related to, it particularly relates to which a kind of be used for perlite high-temperature expansion Perlite bloating plant.

Background technology

Perlite is a kind of acid siliceous volcanic glass rock containing the crystallization water that volcanic action, volcanism is formed, and belongs to igneous rock；Cause Its Rock Profiles has pearl fissured structure, therefore perlite is named as in petrology.Perlite usually has because of condensation The arc-shaped crack of formation, is known as perlitic structure in petrology, its rock moisture content is generally 2~6%, therefore perlite Ore in sand form is after high-temperature roasting, so that it may formed containing remaining silent or the lightweight bulk material of open pore, it is industrial to be referred to as to expand Perlite.Expanded perlite is that the preheated stove of perlite ore preheats, and a kind of manufactured inside is after TRANSIENT HIGH TEMPERATURE calcining expansion Lightweight, the multifunctional novel shaped material of the white granular of honeycomb structure, its principle are：Perlite ore is formed one through broken Determine the perlite ore of granule size, perlite ore through device for displaying predetermined preheating and baking, expanded stove instant heating (1000 DEG C with On) expansion so that the moisture vaporization contained in perlite ore, and in surface softening containing outside vitreous perlite ore The expansion of certain volume coefficient (10~30 times) occurs for inside, remains silent or open pore, inside so as to form outer surface and contain For the nonmetal mineral product of the white granular of honeycomb structure.Therefore expanded perlite is that a kind of have that apparent density is light, leads Hot coefficient is low, chemical stability is good, use temperature range is wide, wettability power is small and nontoxic, it is tasteless, fire prevention, sound-absorbing the features such as, It is widely used in a variety of industrial departments.

Wherein, the bloating plant such as expansion furnace is the necessary equipment of perlite expansion processing, due to different size or difference The expansion processing request of the perlite in the place of production is different, and perlite bloating plant is primarily present asking for following three aspects at present Topic：First, perlite material is discontinuous, blanking is uneven, when causing and because a small amount of material is only entered in expansion furnace and caused by Expansion efficiency is low, when and because enter in expansion furnace material it is too many and caused by expand quality dissatisfaction；Second, no special blanking Mechanism to enter expansion furnace in perlite material carry out flow control, lead to not according to the actual conditions in expansion furnace with not Expansion requirements with perlite are relatively accurately adjusted, so as to seriously affect the expansion quality of perlite material so that secondary Product rate is too high and causes the wasting of resources；Third, the dust particale produced in perlite expansion process is with exhaust emissions to air In, it is not reaching to classification separation and recovery and utilizes, this not only seriously pollutes environment, can also cause the wasting of resources.

Utility model content

For more than deficiency, the utility model provide a kind of perlite material steady and continuous, uniform blanking, into Material speed can relatively accurately adjust and the dust particale produced in perlite expansion process can be carried out classification and separate and collect With the Novel pearl rock bloating plant of recycling, it includes expansion furnace and the flame below the expansion furnace Device, the flame device is used to carry out high-temperature roasting to the perlite in expansion furnace to achieve the purpose that instantaneous expansion, described The outer wall of expansion furnace is equipped with least one feed inlet, and the top of the expansion furnace is equipped with the second discharge port, second discharging Mouth is connected with the high-temperature burner hearth of the expansion furnace；The perlite bloating plant further includes charging device, and the charging device is used Continuously and uniformly put into high-temperature expansion is carried out in expansion furnace in the perlite that will treat expansion processing, the charging device includes the Two vibrating mechanisms, hopper, the surge hopper and feeding mechanism to match with the feed inlet, second vibrating mechanism The top of expansion furnace is fixed at, the hopper is arranged on the second vibrating mechanism, and the surge hopper is fixed respectively Be arranged on the outer wall of expansion furnace correspond to the feed inlet top, each surge hopper respectively with the hopper It is connected；Each feeding mechanism, which is separately positioned on the outer wall of expansion furnace, to be corresponded at the feed inlet, it is each it is described into Material mechanism be mutually connected with corresponding feed inlet, surge hopper respectively so that in surge hopper treat expanded perlite by into Expect the high-temperature expansion portion of mechanism input expansion furnace.

In order to further realize the present invention, the feeding mechanism includes incident groove, conveying pipeline and sieve flitch, the incidence groove Tilt down and be plugged in the feed inlet, and the inner internal stretch to expansion furnace of incident groove, the outer end of incident groove is to swollen The exterior extension of swollen stove, the surge hopper are installed on the top of incident groove；The top import of the conveying pipeline and the buffering The bottom of funnel is connected, and the bottom end outlet of the conveying pipeline is mutually connected with the incident groove, the sieve flitch partition conveying pipeline And be rotatably connected with conveying pipeline, the partition part that conveying pipeline is corresponded on the sieve flitch is equipped with the sieve material of different densities distribution Hole.

In order to further realize the present invention, the feeding mechanism includes being arranged on the surge hopper expanded on furnace outer wall, goes out Expects pipe, adjustable plate, guide skewed slot, the guide skewed slot, which tilts down, to be plugged in the feed inlet；The top of the discharge nozzle Import is connected with the bottom of the surge hopper, and the bottom end outlet of the discharge nozzle is mutually connected with guide skewed slot, the adjusting Plate level opposite can be slidably connected through discharge nozzle and with discharge nozzle, be set side by side at equal intervals along its length on the adjustable plate It is equipped with the through hole that size gradually increases.

In order to further realize the present invention, the surge hopper is installed on the top of the guide skewed slot.

In order to further realize the present invention, the inner internal stretch to expansion furnace of the guide skewed slot is set, and guide is oblique The outer end of groove is extended to the outside of expansion furnace.

In order to further realize the present invention, the feeding mechanism further includes gear and driving motor, the adjustable plate Basal surface, which is provided with to engage with the gear, coordinates the gear teeth, and the gear is arranged on the output shaft of driving motor.

In order to further realize the present invention, the sliding slot extended along its length, the adjusting are equipped with the adjustable plate Each through hole on plate runs through the sliding slot, and the shutter that opposite can be horizontally slipped and be connected with sliding slot is equipped with the sliding slot, The adjustable plate bottom is equipped with the notch connected with sliding slot.

In order to further realize the present invention, the perlite bloating plant further includes dust pelletizing system and high temperature blower unit, The dust pelletizing system includes primary dust removing device, two-stage dust removal device and 3-stage dust-removal device, and the primary dust removing device is rotation Wind separator, the cyclone separator be used for by preheat perlite expansion process before feed intake during carry out dedusting, it is described Cyclone separator is equipped with air inlet, exhaust outlet and the 3rd discharge port, and the air inlet of the cyclone separator passes through high temperature air inducing Pipe is connected with the tapping channel of the inner cylinder, and the 3rd discharge port is mutually connected with the hopper, so that passing through Hopper is fallen under perlite that the cyclone separator dedusting sub-elects is smooth；The two-stage dust removal device includes the first rotation Wind deduster and storage tank, first cyclone dust collectors are used to that finished product will to be carried out by the perlite of expansion system expansion processing Collect and dedusting, first cyclone dust collectors are equipped with air inlet, exhaust outlet and the 4th discharge port, first cyclone dust collectors Air inlet be connected by high temperature induced duct with second discharge port, the top of the 4th discharge port and the storage tank Opening is mutually connected, so that being collected in by the expanded perlite finished product after the first cyclone dust collectors dedusting in storage tank；It is described 3-stage dust-removal device includes the second cyclone dust collectors, the first splicing groove, bag filter and the second splicing groove, the second cyclone dust removal Device, which is equipped with, inhales tail gas air port, last person's gas air port and dust mouth, the suction tail gas air port and the exhaust outlet phase of the first cyclone dust collectors Connection, the dust mouth is mutually connected with the first splicing groove, the air inlet of the bag filter by high temperature induced duct with it is described Last person's gas air port is connected, and the dust-exhausting port of the bag filter is mutually connected with the second splicing groove；

The high temperature blower unit includes the first high temperature draught fan, the second high temperature draught fan and high temperature induced duct, and described One high temperature draught fan is equipped with the first air inlet and the first air outlet, and first air inlet passes through high temperature induced duct and the whirlwind The exhaust outlet of separator is connected, and first air outlet is connected with the exhaust gas processing device；The second high temperature air inducing Machine is equipped with the second air inlet and the second air outlet, and second air inlet is connected with the exhaust outlet of bag filter, and described Two air outlets are connected with the first blow vent of the outer barrel.

In order to further realize the present invention, the storage tank is used with the white of high rigidity, high-wearing feature and high-fire resistance Steel is made, and the cavity volume bottom of the storage tank is equipped with four pieces and surrounds storage tank central shaft radially equally distributed partition plate, with The cavity volume bottom of storage tank is separated to form the fan-shaped chamber of cross type.

In order to further realize the present invention, the surge hopper is designed as pyramidal structure wide at the top and narrow at the bottom or prism-frustum-shaped knot Structure, falls naturally in favor of entering the perlite of surge hopper by self gravitation.

The beneficial effects of the utility model：

1st, the Novel pearl rock bloating plant of the utility model, compared with prior art, is provided with for that will treat that expansion adds The perlite of work is continuous uninterrupted and equably puts into expansion furnace the charging device for carrying out high-temperature expansion, charging device Perlite material is delivered to surge hopper to steady and continuous, is designed as by hopper under the vibration of the second vibrating mechanism Narrow pyramidal structure or prism-frustum-shaped structure surge hopper under width, self gravitation is relied in order to enter the perlite of surge hopper Naturally feeding mechanism is dropped down onto under buffering, eight feed inlets are circumferentially uniformly distributed setting along expansion furnace outer walls, feeding mechanism and eight The mutual cooperation of feed inlet so that perlite enters the bulge of expansion furnace with being uniformly dispersed, and is conducive to improve perlite swollen Expansion effect and puffing efficiency in swollen stove.In addition, the utility model is equipped with automatic continuous charging device on expansion furnace, feed intake The hopper of device constantly equably supplies perlite, into buffering under the vibration of the second vibrating mechanism to surge hopper Perlite in funnel, can be automatically in the expansion furnace of expansion system system into feeding mechanism is crossed evenly into expansion furnace Feedstock transportation is carried out, saves manpower, improves efficiency.

2nd, the Novel pearl rock bloating plant of the utility model, the perlite in surge hopper is under gravity at the uniform velocity Under fall in conveying pipeline, since sieve flitch separate and is rotationally connected with conveying pipeline, and sieve on flitch corresponding to the partition of conveying pipeline Part is equipped with sieve material hole, therefore, under fall on the perlite in conveying pipeline and will fall on incidence under the sieve material hole on flitch by sieving In groove, and it is delivered to by incident groove with certain speed scattering inside expansion furnace, so that thermal-flame is filled with perlite Divide and be mixed to reach adequately expanded purpose.Since the partition part for corresponding to conveying pipeline on sieve flitch is equipped with different densities The sieve material hole of distribution, therefore can be by trundle screen flitch so that the part in the sieve material hole of sieve flitch different densities distribution is to conveying pipeline Obstructed so that the sieve material hole of different densities is located in conveying pipeline, so as to change the big of the negotiable specific area of conveying pipeline It is small, and then the feed rate of the perlite to entering expansion furnace is controlled.The setting of such a structure, adjustment control is convenient, behaviour Make simple.

3rd, the Novel pearl rock bloating plant of the utility model, when needs improve the change flow velocity of the perlite into expansion furnace When, operating personnel are manually operated first, will be stretched into from indentation, there and drive shutter to slide, and all through holes are blocked close with Realization is shut off completely, and subsequent gear drives adjustable plate movement, and the through hole of suitable pore size is moved in discharge nozzle, last anti- To shutter is slided, all through holes are opened, material is successfully flowed through from the tube chamber in discharge nozzle.It is such a The design of structure, the hopper on expansion furnace will constantly treat that the perlite material of expansion processing is added in surge hopper, delay Rush after the perlite in funnel passes sequentially through discharge nozzle, the through hole of corresponding size (aperture), guide skewed slot and feed inlet and enter Expand the bulge in furnace body.In addition, gear drives adjustable plate movement by motor-driven rotation, and using gear, make not Through hole with size is in discharge nozzle, and material is flowed through from through hole, controls perlite material to enter expansion furnace by through hole Flow velocity, can reach the accurate charging rate for adjusting expansion furnace feed inlet, the expansion quality of perlite has been effectively ensured.Adjustable plate It is interior equipped with the sliding slot extended along its length, each through hole on adjustable plate runs through sliding slot, and being equipped with sliding slot can with sliding slot The shutter of the opposite connection that horizontally slips, all through holes are blocked to close and are shut off completely with realizing, subsequent gear, which drives, to be adjusted Plate moves, and the through hole of suitable pore size is moved in discharge nozzle, and last reverse slide shutter, all through holes are opened, Material is set successfully to be flowed through from the tube chamber in discharge nozzle, it is this by the slidable adjustment plate again that shuts off first, further Improve the accuracy of flow velocity adjusting.

4th, the Novel pearl rock bloating plant of the utility model, by returning Multi-stage dust removing device to the lightweight dust in tail gas Particle carries out classification recycling, is avoided that lightweight dust particles are escaped into air in process, not only avoids significant loss, but also Reduce air pollution.Therefore, the utility model using the first cyclone dust collectors of Multi-stage dust removing device, the second cyclone dust collectors with And the reasonable reformation of bag filter carries out perlite finished product the dedusting of dust particale, avoids dust particale with tail with combining Gas is discharged into air and causes environmental pollution, and by Multi-stage dust removing device to varigrained dust particles in dust-containing tail gas into Row finely separates and collects, and realizes the recycling of dust particles waste material, meets the environmentally friendly purpose of energy-saving and emission-reduction.

Brief description of the drawings

Fig. 1 is the workflow and structure diagram of the utility model；

Fig. 2 is a kind of structure diagram of embodiment of feeding mechanism of the expansion system of the utility model；

Fig. 3 is the structure diagram that flitch is sieved in Fig. 2；

Fig. 4 is the feeding mechanism another kind example structure schematic diagram of the expansion system of the utility model；

Fig. 5 is the structure diagram of adjustable plate in Fig. 4；

Fig. 6 is the structure diagram of the partial enlargement of flame device in Fig. 1

Fig. 7 is longitudinal schematic cross-sectional view of the storage tank of the utility model；

Fig. 8 is the cross-sectional cut-away structure diagram of the storage tank of the utility model；

Fig. 9 is the structure diagram of second cyclone dust collectors of the utility model；

Figure 10 is the internal structure schematic diagram of second cyclone dust collectors of the utility model；

Figure 11 is the structure diagram of cyclone dust removal cylinder in Figure 10；

Figure 12 is the structure diagram that delivery sheet is set in the pre-heating system of the utility model.

Embodiment

The utility model is further elaborated below in conjunction with the accompanying drawings, wherein, the direction of the utility model is using Fig. 1 as mark It is accurate.

As shown in Figures 1 to 12, the Novel pearl rock bloating plant of the utility model, it include stent 1, material choosing apparatus 2, Pre-heating system 3, high-temperature expansion system 4, dust pelletizing system 5, high temperature blower unit 6 and exhaust gas processing device, wherein,

Stent 1 realizes that stent 1 includes main support 11 and secondary support 12 using the tower structure of the prior art.

Material choosing apparatus 2 is used to be needed to filter out the perlite of different size according to processing technology, and material choosing apparatus 2 includes first Vibrating mechanism 21, sorting funnel 22 and sorting screen 23, material choosing apparatus 2 are located on main support 11, and the first vibrating mechanism 21 is fixed and set To put on main support 11, the first vibrating mechanism 21 is vibrating motor, and sorting funnel 22 is fixed on the first vibrating mechanism 21, Sorting screen 23 is in being laterally fixed in sorting funnel 22, on the side wall of sorting funnel 22 and corresponding to the lower section of sorting screen 23 Position is equipped with the first discharge port 221.

Pre-heating system 3 is used to carry out perlite ore preheating dehydration, and pre-heating system 3 includes outer barrel 31, inner cylinder Body 32, labyrinth collar 33, backing ring 34, rolling support wheel 35, rolling wheel support 36, driven gear 37, driving gear 38 and drive Dynamic motor 39, outer barrel 31 are fixedly mounted on main support 11, and outer barrel 31 is equipped with the first blow vent 311 and the second blow vent 312, the first blow vent 311 and the second blow vent 312 are respectively positioned at the opposite both ends of inner cylinder 32, i.e. the first blow vent 311 In, close to the position of 32 left end of inner cylinder, the second blow vent 312 is located on outer barrel 31 right close to inner cylinder 32 on outer barrel 31 The position at end, the second blow vent 312 are connected by discharge duct with exhaust gas processing device；Inner cylinder 32 is installed in rotation on In the cavity of outer barrel 31,32 both ends of inner cylinder are respectively arranged with the first termination 321 and the second termination 322,321 He of the first termination Outer barrel 31 is run through in second termination 322, and between the madial wall of the lateral wall of inner cylinder 32 and outer barrel 31 formed with easy to The circular passage of high-temperature tail gas circulation.First termination 321 is equipped with the feeding-passage connected with inner cylinder 32, the second termination 322 The tapping channel connected with inner cylinder 32 is equipped with, and feeding-passage passes through the first discharging of high temperature induced duct and sorting funnel 22 Mouth 221 is connected.The both ends of outer barrel 31 are respectively equipped with labyrinth collar 33, and 32 both ends of inner cylinder are bolted respectively Backing ring 34 is arranged with, backing ring 34 is made of forged steel；Position on main support 11 corresponding to each 34 bottom of backing ring is respectively equipped with Rolling support wheel 35, rolling support wheel 35 are used to support the weight of whole inner cylinder, and each rolling support wheel 35 passes through rolling respectively Wheel support 36 is rotatably arranged in main support 11, and rolling wheel support 36 is fixed on main support 11.Inner cylinder passes through backing ring 34th, the rolling of rolling support wheel 35 coordinates and is rotationally set up on main support 11.Inner cylinder left end fixing sleeve be equipped with from Moving gear 37, driving gear 38 is fixed on the output shaft of driving motor 39, and the gear teeth and driven tooth of driving gear 38 The gear teeth of wheel 37 are meshed.Driving motor 39 drives driving gear 38 to drive driven gear 37 to rotate by retarder, then sharp Rotated with driven gear 37 and drive whole inner cylinder that revolution rotation occurs relative to outer barrel 31.Driving motor 39 is frequency control Motor is driven, with the frequency of how much change motors of the water content according to perlite, the revolution rotating speed of adjusting inner cylinder 32.Into one Step ground, inner cylinder 32 tilt down setting from feeding-passage to tapping channel, and during operating, perlite enters inner cylinder from feeding-passage After body 32, the motor driving revolution of inner cylinder 32 rotates, and perlite is rotated in inner cylinder 32 and slowly moved to tapping channel, is made The perlite obtained in inner cylinder 32 is fully warmed-up.The micronic dust contained in warm in tail gas under the action of air-introduced machine with The perlite of preheating enters subsequent processing together.In addition, in order to prevent outer barrel 31 during high temperature preheating because expanding with heat and contract with cold And the phenomenon burst is produced, the present embodiment is equipped with expansion joint at the position placed in the middle of outer barrel 31 and close to end positions, with Avoid outer barrel 31 from being burst during processing and cause the equipment damage even major accident of casualties, stretch The safe operation for being arranged to pre-heating system equipment and the safety in production of seam provide effective guarantee.

In order to which perlite ore material is conveyed from the feeding-passage of the first termination 321 of the inner cylinder 32 of pre-heating system 3 To the tapping channel of the second termination 322, delivery sheet 323 is internally provided with the inner cylinder 32 of pre-heating system 3.As shown in figure 12, exist The inner cylinder 32 of pre-heating system 3 is internally provided with circumferential multiple row delivery sheet 323, and the present embodiment preferably, in preheating is The inside of inner cylinder 32 of system 3 sets four row delivery sheets 323 being circumferentially evenly spaced on, and each delivery sheet 323 is relative to inner cylinder The axial direction of body 32 is obliquely arranged, so as the revolution of the inner cylinder 32 of pre-heating system 3 rotates, puts into pre-heating system Perlite material in 3 inner cylinder 32 is conveyed under the action of delivery sheet 323 with certain speed along 32 inner wall of inner cylinder, Preheating is heated in course of conveying, is then discharged from the tapping channel of the second termination 322 of inner cylinder 32.

High-temperature expansion system 4 includes expansion furnace 41, charging device 42 and flame device 43, and expansion furnace 41 includes expansion furnace stove Body and expansion furnace grate, expansion furnace body are arranged on expansion furnace grate, and expansion furnace furnace interior is formed with burner hearth, expansion furnace 41 Burner hearth be the relatively narrow venturi-type structure in upper wider lower part, perlite material is heated expansion in the burner hearth.Swollen The bottom of swollen furnace body is equipped with expansion burner, which is equipped with the flame device 43 of adjustable angle, flame dress 43 are put to be used to be heated at high temperature burner hearth.The high-temperature expansion system 4 of the present embodiment, expansion furnace combustion is put into perlite material During the top of the flame device 43 of burner, the heating expansion of the flame that is ejected, and by venturi-type structure promptly by It is evacuated to above burner hearth, and is discharged from the open top of expansion furnace body.Imitated by the venturi of the burner hearth of venturi-type structure Should, perlite material is drawn upwardly away quickly after lower furnace portion is inflated burner heating expansion, and not only expansion efficiency is high, The puffing quality of perlite is also significantly improved.

The lower section at the relatively narrow place on the outer wall of expansion furnace 41 corresponding to venturi-type structure burner hearth is equipped with feed inlet, and swollen The feed inlet quantity that the outer wall of swollen stove 41 is equipped with is multiple, specific on the outer wall of expansion furnace 41 to be equipped with eight in the present embodiment Feed inlet, eight feed inlets are circumferentially evenly distributed on expansion furnace 41 and correspond on the outer wall of its burner hearth, so can be to avoid pearl Rock excessively intensively enters the burner hearth of expansion furnace 41.Therefore, eight feed inlets are circumferentially uniformly distributed setting along 41 outer wall of expansion furnace, So that perlite enters the burner hearth of expansion furnace 41 with being uniformly dispersed, be conducive to improve expansion effect of the perlite in expansion furnace 41 With puffing efficiency.The top of expansion furnace 41 is equipped with the second discharge port, and the second discharge port is connected with the high-temperature burner hearth of expansion furnace 41.

Charging device 42 is used to wait that the perlite for expanding processing is continuous uninterrupted and equably puts into expansion furnace 41 Interior carry out high-temperature expansion, charging device 42 include 422, eight the second vibrating mechanism 421, hopper surge hoppers 423 and eight A feeding mechanism 424, the second vibrating mechanism 421 are fixed at the top of expansion furnace 41, and the second vibrating mechanism 421 is vibration electricity Machine, hopper 422 are arranged on the second vibrating mechanism 421, and hopper 422 is used to store perlite to be expanded, six Surge hopper 423 is respectively fixedly disposed on the outer wall of expansion furnace 41 corresponding to the top of eight feed inlets, each surge hopper 423 are connected by scalable utilidor 425 with hopper 422 respectively.By the second vibrating mechanism 421 to hopper 422 vibration so that the perlite stored in hopper 422 enters surge hopper via telescopic pipes under gravity 423.Surge hopper 423 is designed as pyramidal structure wide at the top and narrow at the bottom or prism-frustum-shaped structure, in order to enter surge hopper 423 Perlite falls naturally by self gravitation.

Each feeding mechanism 424 includes incident groove 4241, conveying pipeline 4242 and sieve flitch 4243, each feeding mechanism 424 Be arranged on the outer wall of expansion furnace 41 correspond to 41 feed inlet of expansion furnace position, incident groove 4241 tilt down be plugged in into Material mouth, and the inner internal stretch to expansion furnace 41 of incident groove 4241, the outer end of incident groove 4241 is to the outside of expansion furnace 41 Extension, each surge hopper 423 are fixedly mounted on the top of corresponding incident groove 4241；Conveying pipeline 4242 is in longitudinally fixed setting On the outer wall of expansion furnace 41, the top import of conveying pipeline 4242 is connected with the bottom of corresponding surge hopper 423, conveying pipeline 4242 bottom end outlet faces the part that corresponding incident groove 4241 extends the outside of expansion furnace 41, and conveying pipeline 4242 Bottom end outlet is connected with incident 4241 phase of groove.Sieve flitch 4243 separates conveying pipeline 4242 and passes through rotary axle box and conveying pipeline 4242 It is rotatably connected, sieves sieve material hole of the partition part equipped with different densities distribution for corresponding to conveying pipeline 4242 on flitch 4243 4244, in the present embodiment, the pore diameter range in sieve material hole 4244 be 2~5cm, and in specific implementation process, sieve expects the aperture in hole 4244 It can be set according to actual needs.

When using feeding mechanism 424, the perlite in surge hopper 423 at the uniform velocity falls on conveying down under gravity In pipe 4242, since sieve flitch 4243 separates and is rotationally connected with conveying pipeline 4242, and sieve and correspond to conveying pipeline on flitch 4243 4242 partition part is equipped with sieve material hole 4244, therefore, under the perlite that falls in conveying pipeline 4242 will be by sieving flitch Fall in incident groove 4241 under sieve material hole 4244 on 4243, and be delivered to by incident groove 4241 inside expansion furnace 41.Due to Sieve material hole 4244 of the partition part equipped with different densities distribution for corresponding to conveying pipeline 4242 on flitch 4243 is sieved, therefore can be by turning Dynamic sieve flitch 4243 is so that the part in the sieve material hole 4244 of sieve flitch 4243 different densities distribution hinders conveying pipeline 4242 Every so that the sieve material hole 4244 of different densities is located in conveying pipeline 4242, so as to change 4242 negotiable specific surface of conveying pipeline Long-pending size, and then the feed rate of the perlite to entering expansion furnace is controlled.It is such a that easy to control, operation letter is set It is single.

The setting of surge hopper 423 advantageously ensures that perlite at the uniform velocity enters incident groove 4241, avoids fracture or pan feeding The situation that mouth blocks occurs；The perlite being arranged in surge hopper 423 of incident groove 4241 enters the inside of expansion furnace 41 and provides Accelerated passage, is conducive to perlite into scattering is produced after the burner hearth of expansion furnace 41, so that thermal-flame and perlite Contact is sufficiently mixed to reach adequately expanded purpose.Incident groove 4241 is equipped with the bottom end outlet of conveying pipeline 4242, it is incident Groove 4241 is easy to for perlite to be externally routed to the inside of expansion furnace 41, when being fallen under more perlite in incident groove 4241 When forming blocking, since the outer end of conveying pipeline 4242 and incident groove 4241 is arranged at the outside of expansion furnace 41, and this process is Cooperated by two parts of conveying pipeline 4242 and incident groove 4241 and complete what perlite conveyed, thus can using external devices come Conveying pipeline 4242 and 4241 joining place of incident groove are dredged, the inside of expansion furnace 41 is transported to easy to perlite.In addition, pass through conveying The joining place of pipe 4242 and incident groove 4241, is also convenient for the whereabouts situation of intuitively observation perlite.

As another solution for solving the control of 41 feed flow rate of expansion furnace, the feeding mechanism 424 of the present embodiment is also Be preferably another embodiment, i.e., feeding mechanism 424 including be arranged on surge hopper 423 on 41 outer wall of expansion furnace and The discharge nozzle 4244 of 423 bottom of surge hopper connection, horizontal through discharge nozzle 4244 and can the opposite company of slip with discharge nozzle 4244 The adjustable plate 4245 connect, the guide skewed slot 4246, gear 4247 and the driving motor that are arranged on the lower section of discharge nozzle 4244.It is each into Material mechanism 424 is arranged at the position for corresponding to 41 feed inlet of expansion furnace on the outer wall of expansion furnace 41, and guide skewed slot 4246 is downward Inclination is plugged in feed inlet, and the inner internal stretch to expansion furnace 41 of guide skewed slot 4246, outside guide skewed slot 4246 Hold to the exterior of expansion furnace 41 and extend, each surge hopper 423 is installed on the top of corresponding guide skewed slot 4246；Discharge nozzle 4244 are arranged on the outer wall of expansion furnace 41 in longitudinally fixed, the top import of discharge nozzle 4244 and corresponding surge hopper 423 Bottom be connected, the bottom end outlet of discharge nozzle 4244 faces the outside that corresponding guide skewed slot 4246 extends expansion furnace 41 Part, and the bottom end outlet of discharge nozzle 4244 is connected with 4246 phase of guide skewed slot.Adjustable plate 4245 is in length direction towards left and right The transverse direction of direction, width to front-rear direction is set, and ruler is set side by side with equal intervals along its length on adjustable plate 4245 The very little through hole 4248 gradually increased, the basal surface of adjustable plate 4245, which is provided with to engage with gear 4247, coordinates the gear teeth, gear 4247 It is arranged on the output shaft of driving motor.The feeding mechanism 424 of the structure when in use, the perlite in surge hopper 423 At the uniform velocity fall in guide skewed slot 4246 down, and be delivered to by guide skewed slot 4246 inside expansion furnace 41 under gravity. Since adjustable plate 4245 separates and is slidably connected to discharge nozzle 4244, and it is arranged side by side at equal intervals along its length on adjustable plate 4245 Be provided with the through hole 4248 that size gradually increases, therefore, under fall on perlite in discharge nozzle will be by logical on adjustable plate Fallen under hole 4248 in guide skewed slot 4246.Due to the through hole being set up in parallel at equal intervals along its length on adjustable plate 4245 4248 sizes gradually increase, therefore then can drive adjustable plate using gear 4247 by driving motor-driven gear 4247 to rotate 4245 moving horizontally to left and right direction, make various sizes of through hole 4248 be in discharge nozzle 4244, so as to change The size of 4244 negotiable specific area of expects pipe, and then the feed rate of perlite is controlled.It is such a that easy to control, behaviour is set Make simple.

Further as above-mentioned technical proposal is improved, and the sliding slot extended along its length is equipped with adjustable plate 4245 4249, each through hole 4248 on adjustable plate 4245 runs through sliding slot 4249, and being equipped with sliding slot 4249 can be opposite with sliding slot 4249 Horizontally slip the shutter 4250 of connection, and 4245 bottom of adjustable plate is provided with the notch 4251 connected with sliding slot 4249.Work as needs When improving the change flow velocity into the perlite of expansion furnace 41, operating personnel are manually operated first, and drive will be stretched at notch 4251 Shutter 4250 slides, and all through holes 4248 are blocked to close and are shut off completely with realizing, drives and adjusts with backgear 4247 Plate 4245 moves, and the through hole 4248 of suitable pore size is moved in discharge nozzle, last reverse slide shutter 4250, by institute There is through hole 4248 to open, material is successfully flowed through from the tube chamber in discharge nozzle 4244.

The design of such a structure, the hopper 422 on expansion furnace 41 will constantly treat that the perlite material of expansion processing adds Be added in surge hopper 423, the perlite in surge hopper 423 pass sequentially through discharge nozzle 4244, corresponding size (aperture) it is logical Enter the burner hearth in 41 furnace body of expansion furnace after hole 4248, guide skewed slot 4246 and feed inlet.In addition, gear 4247 passes through motor Driving rotates, and drives adjustable plate 4245 to move using gear 4247, various sizes of through hole 4248 is in discharge nozzle, thing Material is flowed through from through hole 4248, is controlled perlite material to enter the flow velocity of expansion furnace 41 by through hole 4248, can be reached accurate The charging rate of 41 feed inlet of expansion furnace is adjusted, the expansion quality of perlite has been effectively ensured.It is equipped with adjustable plate 4245 along it The sliding slot 4249 of length direction extension, each through hole 4248 on adjustable plate 4245 run through sliding slot 4249, are set in sliding slot 4249 There is the shutter 4250 that opposite can be horizontally slipped and be connected with sliding slot 4249, all through holes 4248 are blocked and are closed to realize completely Shut off, drive adjustable plate 4245 to move with backgear 4247, the through hole 4248 of suitable pore size is moved in discharge nozzle, most Reverse slide shutter 4250 afterwards, all through holes 4248 are opened, and enable material successfully from discharge nozzle 4244 Tube chamber flows through, this by the slidable adjustment plate 4245 again that shuts off first, further increases the accuracy that flow velocity is adjusted.

Flame device 43 is used in the combustion zone of expansion furnace injection thermal-flame to be carried out to the perlite in expansion furnace High-temperature expansion, flame device 43 are installed on the lower section of expansion furnace 41.Flame device 43 includes burner fixed cylinder 431, combustion tube 432, six roaring flame injection equipments 433 of cylinder and six angle adjusting pieces 434, burner fixed cylinder 431 are designed as up/down perforation Cylinder-like structure, burner fixed cylinder 431 are fixedly mounted at the port of the lower section of expansion furnace 41, the top of burner fixed cylinder 431 End opening is connected with the bottom end opening of expansion furnace 41, and burning socket 432 can necessarily compare air with natural gas for the six roots of sensation The gas supply pipe of example mixing, fuel gas transportation pipeline are made of heat safe forged steel material.The burning of six roots of sensation gas supply pipe edge 431 inner circle of device fixed cylinder is circumferentially uniformly distributed, and each gas supply pipe is inclined with being obliquely installed horizontal by certain angle Rake angle scope is 60~75 degree, and the top of each gas supply pipe extends to expansion furnace 41 by burner fixed cylinder 431 Burner hearth in, with to the high-temperature burner hearth of expansion furnace 41 spray thermal-flame, the middle position of each gas supply pipe length direction Be hinged with the madial wall of burner fixed cylinder 431, each gas supply pipe by articulated stand and flower basket bolt coordination hinge in On the madial wall of burner fixed cylinder 431, and can drive gas supply pipe using hinge joint as the center of circle expansion furnace 41 port Axle center and hinge joint determined by rotation with surface.

Each gas supply pipe includes Gas Pipe and the casing being set in Gas Pipe, and sleeve side walls, which are equipped with, can enter sky The air intlet of gas, Gas Pipe are used for the passage for providing combustion gas entrance, and Gas Pipe is equipped with least one venthole so that enters The combustion gas of Gas Pipe and the air of sleeve pipe are mixed in casing, and Gas Pipe front end sets plug Air-regulating valves, and control is mixed Close the burst size of gas.The front end of Air-regulating valves is equipped with capping, and the capping of the front end of Air-regulating valves is used to block gas outlet, easy to air With being sufficiently mixed for combustion gas, the rear end of Air-regulating valves is fixed on Gas Pipe front end, in order to follow Gas Pipe to stretch, reaches adjusting and adjusts Air valve and the purpose of gas outlet gap size, and then adjust the purpose of gas output.

Each roaring flame injection equipment 433 is fixed at the top port of corresponding gas supply pipe, roaring flame spraying machine Structure 433 is preferably the adjustable oxygen-enriched combusting nozzle of circulation area.Angle adjusting piece 434 is used for the inclination of regulating gas delivery pipe Angle, by the angular adjustment of each gas supply pipe and is fixed to flame and comes together at one, and each angle adjusting piece 434 includes solid Determine linking arm 4341, screw 4342 and adjusting knob 4343, linking arm 4341 is with the inclination horizontal by certain angle Set, and the angle of inclination of linking arm 4341 is consistent with the angle of inclination of corresponding fuel gas transportation pipeline, i.e., it is fixed Linking arm is substantially parallel setting with corresponding fuel gas transportation pipeline.The top of each linking arm 4341 is arranged on combustion surely On 431 lateral wall of burner fixed cylinder, and each linking arm 4341 is corresponded with gas supply pipe and set.Each screw 4342 radially extend setting (length direction of screw and the length direction of corresponding fuel gas transportation pipeline along gas supply pipe Angle is 90 degree), the bottom of each screw 4342 is fixedly connected with the lateral wall of corresponding fuel gas transportation pipeline lower position；Often It is additionally provided with one linking arm 4341 and passes through linking arm with 4342 matched slot hole of screw, the top of screw 4342 Slot hole on 4341 is simultaneously connected with adjusting knob 4343 in a manner of thread fitting, with by adjusting knob 4342, screw 4342, The cooperation of linking arm 4341 and hinge joint carries out angular adjustment to gas supply pipe.

In use, it can be coordinated using the helicitic texture of adjusting knob and screw and driven respectively by rotation of adjustment knob Gas supply pipe swings up and down around its hinge joint, so that change the flame injection direction of roaring flame injection equipment 433, and The angle of inclination of adjustable gas supply pipe, and then adjust the flame central position and flame injection model of six roots of sensation gas supply pipe Enclose, easy to according to the flame intensity for being actually needed 41 hearth combustion region 430 of control expansion furnace.I.e. when in use, by each combustion gas The angular adjustment of delivery pipe to flame comes together in certain of burner hearth, while by the corresponding flame intensity of regulating the qi flowing in the channels valve regulation, makes The height and intensity of the flame of roaring flame injection equipment 433 reach requirement, so as to meet wanting for different quality perlite expansion processing Ask, improve the expansion quality of perlite and effectively improve expansion processing efficiency.

Dust pelletizing system 5 includes primary dust removing device, two-stage dust removal device and 3-stage dust-removal device.Wherein, primary dust removing fills Cyclone separator 51 is set to, two-stage dust removal device includes the first cyclone dust collectors 52 and storage tank 53, and 3-stage dust-removal device includes Second cyclone dust collectors 54, the first splicing groove 55,56 and second splicing groove 57 of bag filter.

The cyclone separator 51 of primary dust removing device be used for the perlite that will preheat by pre-heating system 2 the process of feeding intake into Row dedusting, to avoid excessive dust enters expansion furnace 51 with perlite and influences the expansion efficiency and expansion quality of perlite.Rotation Wind separator 51 is equipped with upper tangential air inlet, top exhaust outlet and the 3rd discharge port for being arranged on its bullet bottom, whirlwind The upper tangential air inlet of separator 51 is connected by high temperature induced duct with the tapping channel of inner cylinder 32, cyclone separator 51 The 3rd discharge port in be equipped with motor-driven rotary valve, the 3rd discharge port of cyclone separator 51 and the storing of charging device 42 The upper opening of funnel 422 is mutually connected, so that falling on storing leakage under the perlite sub-elected by 51 dedusting of cyclone separator Bucket 422.

First cyclone dust collectors 52 of two-stage dust removal device be used to passing through expansion system expand finished perlite into Row finished product is collected and dedusting, the dust for avoiding producing in expansion process are mixed into expanded perlite and influence the matter of perlite product Amount.First cyclone dust collectors 52 realize that the first cyclone dust collectors 52 are equipped with upper tangential air inlet, top is arranged using the prior art Air port and the 4th discharge port for being arranged on its bullet bottom, the upper tangential air inlet of the first cyclone dust collectors 52 pass through high temperature Induced duct is connected with second discharge port on 41 top of expansion furnace, and the 4th discharge port of the first cyclone dust collectors 52 drives equipped with motor Dynamic rotary valve, the 4th discharge port of the first cyclone dust collectors 52 is mutually connected with the top end opening of storage tank 53, so that passing through Storage tank 53 is fallen under expanded perlite finished product after first cyclone dust collectors, 52 dedusting.

In addition, storage tank 53 is made of the white steel with high rigidity, high-wearing feature and high-fire resistance, overcome using biography The defects of magazine made of system steel easily gets rusty, easy to wear and poor heat resistance.In the present embodiment, storage tank 53 is designed as The cylindrical structure of upper end opening, bottom end closure, the height of storage tank 53 is about 7m, and the bottom of 53 cavity volume 531 of storage tank is equipped with Four pieces around 53 central shaft of storage tank radially equally distributed partition plate 532, the inner bottom surface with storage tank 53 respectively of partition plate 532 And medial surface is fixedly connected, the bottom cavity volume 531 of storage tank 53 is separated to form to the fan-shaped chamber 533 of cross type, is fanned The height of shape chamber 533 is about 3m.

3-stage dust-removal device is the second cyclone dust collectors 54, the first splicing groove 55,56 and second splicing groove of bag filter 57.Second cyclone dust collectors 54 include cyclone separating chamber 541, several cyclone dust removal cylinders 542 and dust-suppressing board 543, cyclonic separation 541 outer layer of room is equipped with thermal insulation layer, is formed using ultra-fine fibre glass, avoids high temperature dust tail gas from entering the second cyclone dust collectors 54 And the temperature outside it is raised, so as to cause the heat of hot gas to scatter and disappear.Meanwhile ultra-fine fibre glass has well sound absorption properties Can, reduce the second cyclone dust collectors 54 and work caused noise, improve the working environment of the second cyclone dust collectors 54.If A dry cyclone dust removal cylinder 542 is disposed side by side in cyclone separating chamber 541, and each cyclone dust removal cylinder 542 with adjacent whirlwind Except dirt cup 542 is in parallel, each cyclone dust removal cylinder 542 keeps the inclination angle setting horizontal by 45 degree, to extend high-temperature tail gas In particle dust in the residence time of cyclone dust removal cylinder 542, ensure that larger particles dust of the particle diameter more than 10 μm is sufficiently separated. The top of cyclone dust removal cylinder 542 is hollow cylinder 5421, and lower part is hollow bullet 5422, and bullet 5422 is upper width Under narrow conical by its shape, the bottom of bullet 5422 offers dust-exhausting port 5423, is equipped with dust-exhausting port 5423 motor-driven close Seal rotary valve.The top of cylinder 5421 is equipped with the tangential admission pipe 5425 vertical with cylinder 5421, the top of cylinder 5421 Portion middle position is equipped with the air outlet pipe 5426 parallel with 5421 axis of cylinder, and dust-suppressing board 543 is flat for the helical form of inner hollow Shape plate 5424, helical form flat plate extend to bullet 5422 from top to bottom along 542 bullet of cyclone dust removal cylinder, 5422 inner wall Dust-exhausting port 5423.The pitch of dust-suppressing board 543 is the 1/5~3/5 of 5422 axial height of bullet, to control dust-suppressing board 543 boring Spiral number of turns in body 5422 in hollow cavity.When the timing of body axial height one, more big then its spiral shell of pitch of dust-suppressing board 543 Volution number is fewer, its dust suppression effect reduces, but pitch is too small, then dust-suppressing board 543 occupies the whole inner surface of bullet 5422, Be unfavorable for high temperature dust tail gas from 5422 bottom of bullet spin movement rise to cylinder 5421 air outlet pipe 5426 pipe Mouthful.For any one section of dust-suppressing board 543, the angle of itself and 5422 busbar of bullet is less than 5421 bottom surface of cylinder and bullet The angle of 5422 busbares, and be less than positioned at any one section of dust-suppressing board 543 of lower part its angle with 5422 busbar of bullet and be located at Its angle with 5422 busbar of bullet of any one section of dust-suppressing board 543 on top, this is because 5422 bottom of bullet is transversal Face diameter reduces, if dust-suppressing board 543 and the angle of 5422 busbar of bullet are excessive, can result in blockage the bottom of bullet 5422 Dust-exhausting port 5423, is unfavorable for dust and is discharged from cyclone dust removal cylinder 542.It is less than its institute for the width of any one section of dust-suppressing board 543 In the radius of circular conical surface, being conducive to high temperature dust tail gas, movement of spinning rises to the outlet of cylinder 5421 from bullet bottom The mouth of pipe of pipe 5426.Dust-suppressing board 543 is made of wear-resistant material, and wear-resistant material is wear-resisting steel plate, wear-resistant ceramic and abrasive rubber In one or more kinds of combinations, avoid because of the more and easy to wear influence deduster of contact of the dust-suppressing board 543 with dust just Often carry out.Second cyclone dust collectors 54 are equipped with suction tail gas air port 544, last person's gas air port 545 and dust mouth 546, the second whirlwind and remove The suction tail gas air port 544 of dirt device 54 is connected with the top exhaust outlet of the first cyclone dust collectors 52, each cyclone dust removal cylinder 542 The upper tangential air inlet pipe 5425 of cylinder 5421 is connected with the suction tail gas air port 544 of the second cyclone dust collectors 54 respectively, often Last person gas air port of the top air outlet pipe 5426 of the cylinder 5421 of one cyclone dust removal cylinder 542 with the second cyclone dust collectors 54 545 are connected, and the dust-exhausting port 5423 of each 542 bullet of cyclone dust removal cylinder, 5422 bottom goes out with the second cyclone dust collectors 54 Dirt mouth 546 is connected, and the dust mouth 546 of the second cyclone dust collectors 54 is connected with 55 phase of the first splicing groove, so that passing through second The dust particale that cyclone dust collectors 54 are isolated falls and is collected in the first splicing groove 55.Second cyclone dust collectors 54 go out dirt Motor-driven rotary valve is equipped with mouth 546.

When second cyclone dust collectors 54 work, from the high temperature dust tail gas of the first cyclone dust collectors 52 discharge from the second whirlwind The upper tangential air inlet pipe 5425 of the cylinder 5421 of the cyclone dust removal cylinder 542 of deduster 54 is tangentially into cylinder 5421 Hollow cavity, under the influence of centrifugal force, high temperature dust tail gas are forced to do screw from top to bottom, big granularity dust particles (particle diameter be more than 10 μm of dust particles) is deposited in 5422 bottom of bullet under the collective effect of centrifugal force and gravity, and along Bullet 5422 is deposited downwards and discharged from dust-exhausting port 5423, and the then rotation in cyclone separating chamber 541 of high temperature tail gas containing micronic dust Wind removes discharges from the air outlet pipe 5426 of cylinder 5421 from bottom to top in dirt cup 542；Due to the spiral shell that dust-suppressing board 543 is inner hollow Shape flat plate is revolved, and extends to the dust-exhausting port of bullet 5422 from top to bottom along 542 bullet of cyclone dust removal cylinder, 5422 inner wall 5423, the centrifugal force that high temperature dust tail gas moves generation from 5422 bottom of bullet of cyclone dust removal cylinder 542 upwards can force greatly Moved upwards in 10 μm of part dust, at this time, dust-suppressing board 543 blocks part dust more than 10 μm with moving upwards Gas is discharged from the air outlet pipe 5426 of cylinder 5421.Therefore, the innovative design of helical form dust-suppressing board 543, is not only effectively reduced Part dust more than 10 μm rises to tail gas the outlet of cylinder 5421 from 542 bullet of cyclone dust removal cylinder, 5422 bottom 5426 mouth of pipe of pipe, improves the separation degree of tail gas dust, also greatly reduces bag filter 56 to bulky grain micronic dust Dedusting is born.Bag filter 56 realized using the prior art, and the air inlet of bag filter 56 passes through high temperature induced duct and the Last person's gas air port 545 of two cyclone dust collectors 54 is connected.The dust-exhausting port of bag filter 56 is connected with 57 phase of the second splicing groove, And the dust-exhausting port of bag filter 56 is equipped with motor-driven rotary valve.

Second cyclone dust collectors 54 can efficiently separate big granularity dust particles, greatly reduce particle in high temperature hot gas and Dust content so that the cloth bag group adsorption particle and dust of bag filter 56 are few, not only greatly reduce bag filter The dedusting burden of 56 cloth bag groups, can also avoid the large dust particle for carrying heat of high temperature from causing to damage on cloth bag and influence dedusting effect Fruit.Bag filter 56 improves the specific aim and high efficiency of gas solid separation, be equipped with bag filter 56 Pneumatic impulse valve or Person's ultrasonic pulse is timed shake to its cloth bag group so that little particle dust of the absorption on cloth bag group surface falls and pass through The dust-exhausting port of bag filter 56 is collected in the second splicing groove 57, achievees the purpose that recycling.

High temperature blower unit 6 is used to form negative pressure in device systems, to utilize negative pressure to the high temperature in each device systems Hot gas is aspirated, and realizes that the high temperature hot gas in device systems is uninterruptedly circulated, and high temperature blower unit 6 includes the first high temperature Air-introduced machine 61, the second high temperature draught fan 62 and high temperature induced duct 63, the first high temperature draught fan 61 are equipped with the first air inlet and first Air outlet, the first air inlet of the first high temperature draught fan 61 pass through the row at the top of 63 and first cyclone separator of high temperature induced duct 51 Air port is connected, and the first air outlet of the first high temperature draught fan 61 is connected with exhaust gas processing device；Second high temperature draught fan 62 Equipped with the second air inlet and the second air outlet, the second air inlet of the second high temperature draught fan 62 and the exhaust outlet of bag filter 56 It is connected, the second air outlet of the second high temperature draught fan 62 is connected with the first blow vent 311 of outer barrel 31.

The operation principle of the utility model and groundwork flow：

1) expansion furnace 41 is heated by flame device 43, opens the first high temperature draught fan 61 and the second high temperature air inducing Machine 62, the first high temperature draught fan 61 are producing negative pressure in cyclone separator 51 and inner cylinder 32 successively by high temperature induced duct 63, Second high temperature draught fan 62 is by high temperature induced duct 63 successively in bag filter 56, the second cyclone dust collectors 54, the first whirlwind Deduster 52 and the inside of expansion furnace 41 produce negative pressure.

2) perlite for treating expansion processing is constantly poured into the choosing in the sorting funnel 22 of material choosing apparatus 2 by elevator On material screen 23, vibration is produced incessantly to sorting funnel 22 using the first vibrating mechanism 21, so that it may utilize sorting funnel The perlite that sorting screen 23 in 22 treats expansion processing is screened, so that meeting the perlite of processing request particle size The bottom of sorting funnel 22 is fallen on and under by the sieve aperture of sorting screen 23, is conveyed via the first discharge port 221 of sorting funnel 22 Feeding-passage on to 32 first termination of inner cylinder enters the preheating cavity of inner cylinder 32；In drawing for 62 negative pressure of the second high temperature draught fan Lead down, the hot gas energy in expansion furnace 41 is removed via the first cyclone dust collectors 52, the second whirlwind successively by high temperature induced duct 63 Dirt device 54, bag filter 56, the first blow vent 311 of outer barrel 31 flow into the interior of lateral wall and the outer barrel 31 of inner cylinder 32 Formed with the circular passage circulated easy to hot gas between side wall, and flowed out from the second blow vent 312 of outer barrel 31, it is so real The high-temp waste gas that existing expansion furnace 41 produces is continuing to supply in circular passage, so as to uninterruptedly be supplied the perlite of inner cylinder 32 Heat preheating.In more thermal process, inner cylinder 32 can be rotated relative to outer barrel 1, in rotation process, the perlite in inner cylinder 32 It is stirred, so as to be conducive to the uniformity of pearl sand preheating, not only so that the perlite in inner cylinder 32 reaches preheating sufficiently Effect, can also be greatly enhanced the efficiency of perlite.

3) perlite in inner cylinder 32 after preheating is under the negative pressure guiding that the first high temperature draught fan 61 produces, with high temperature Gas, which is carried into cyclone separator 51, carries out the dedusting that feeds intake, and the perlite after 51 dedusting of cyclone separator just relies on it Self gravitation falls into the hopper 422 positioned at the charging device 42 of the lower section of cyclone separator 51, and hopper 422 is the Under the vibration of two vibrating mechanisms 421, the preheating perlite in hopper 422 is continuously delivered to surge hopper 423 In, and the burner hearth of perlite input expansion furnace 41 is carried out by high-temperature heating expansion by feeding mechanism 424.

4) perlite after expanded stove 41 expands with high-temperature tail gas 62 negative pressure of the second high temperature draught fan guiding Under, carry out finished product collection through the separation dedusting of the first cyclone dust collectors 52.Dust-laden high-temperature tail gas is successively by two-stage dust removal device First cyclone dust collectors 52, the second cyclone dust collectors 54 of 3-stage dust-removal device and the bag filter 56 of 3-stage dust-removal device. High-temperature tail gas, the first cyclone dust collectors 52 for first passing around two-stage dust removal device carry out the separation of finished product and dust particale, then pass through The second cyclone dust collectors 54 for crossing 3-stage dust-removal device carry out the grain size grading dedusting of dust particale, efficiently separate big granularity dust Particle, greatly reduces the large dust particle content in high temperature hot gas, and dust particles of the granularity more than 10 μm are recycled Utilize；Separation receipts are carried out to the dust of the preferable molecule of purity (granularity is less than 10 μm) finally by bag filter 56 Collection, not only solves the emission problem of high temperature dust exhaust gas, alleviates air environmental pollution, can also be small preferable by purity The dust of grain (granularity is less than 10 μm) carries out centralized recovery utilization, has saved resource.

The foregoing is merely the better embodiment of the present invention, the invention is not limited in the above embodiment, is implementing During there may be local small structural modification, if not departing from the essence of the present invention to the various changes or modifications of the present invention God and scope, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes And modification.

Claims (10)

1. a kind of Novel pearl rock bloating plant, it includes expansion furnace and the flame device below the expansion furnace, The flame device is used to carry out high-temperature roasting to the perlite in expansion furnace to achieve the purpose that instantaneous expansion, its feature exists In：The outer wall of the expansion furnace is equipped with least one feed inlet, and the top of the expansion furnace is equipped with the second discharge port, and described Two discharge ports are connected with the high-temperature burner hearth of the expansion furnace；The perlite bloating plant further includes charging device, described to feed intake Device, which is used to continuously and uniformly put into the perlite for treating expansion processing, carries out high-temperature expansion in expansion furnace, the charging device Including the second vibrating mechanism, hopper, the surge hopper and feeding mechanism to match with the feed inlet, described second shakes Motivation structure is fixed at the top of expansion furnace, and the hopper is arranged on the second vibrating mechanism, the surge hopper point Be not fixed on the outer wall of expansion furnace correspond to the feed inlet top, each surge hopper respectively with the storage Funnel is connected；Each feeding mechanism, which is separately positioned on the outer wall of expansion furnace, to be corresponded at the feed inlet, each The feeding mechanism is mutually connected with corresponding feed inlet, surge hopper respectively, so that treating expanded perlite in surge hopper The high-temperature expansion portion of expansion furnace is put into by feeding mechanism.

2. Novel pearl rock bloating plant according to claim 1, it is characterised in that：The feeding mechanism includes incidence Groove, conveying pipeline and sieve flitch, the incidence groove, which tilts down, to be plugged in the feed inlet, and incident groove is inner to expansion furnace Internal stretch, the outer end of incident groove extends to the exterior of expansion furnace, and the surge hopper is installed on the top of incident groove；It is described The top import of conveying pipeline is connected with the bottom of the surge hopper, the bottom end outlet of the conveying pipeline and the incident groove phase Linking, the sieve flitch partition conveying pipeline are simultaneously rotatably connected with conveying pipeline, and the partition of conveying pipeline is corresponded on the sieve flitch Part is equipped with the sieve material hole of different densities distribution.

3. Novel pearl rock bloating plant according to claim 1, it is characterised in that：The feeding mechanism includes being arranged on Expand surge hopper, discharge nozzle, adjustable plate, the guide skewed slot on furnace outer wall, the guide skewed slot tilt down be plugged in it is described In feed inlet；The top import of the discharge nozzle is connected with the bottom of the surge hopper, the bottom end outlet of the discharge nozzle Mutually it is connected with guide skewed slot, the adjustable plate opposite can be slidably connected horizontal through discharge nozzle and with discharge nozzle, the adjustable plate On be set side by side with the through hole that size gradually increases at equal intervals along its length.

4. Novel pearl rock bloating plant according to claim 3, it is characterised in that：The surge hopper is installed on described The top of guide skewed slot.

5. Novel pearl rock bloating plant according to claim 3, it is characterised in that：The guide skewed slot it is inner to swollen The internal stretch of swollen stove is set, and the outer end of guide skewed slot is extended to the outside of expansion furnace.

6. Novel pearl rock bloating plant according to claim 3, it is characterised in that：The feeding mechanism further includes gear And driving motor, the basal surface of the adjustable plate, which is provided with to engage with the gear, coordinates the gear teeth, and the gear is arranged on drive On the output shaft of dynamic motor.

7. Novel pearl rock bloating plant according to claim 3, it is characterised in that：It is equipped with the adjustable plate along its length The sliding slot of direction extension is spent, each through hole on the adjustable plate run through the sliding slot, equipped with can with sliding slot in the sliding slot The shutter of the opposite connection that horizontally slips, the adjustable plate bottom are equipped with the notch connected with sliding slot.

8. Novel pearl rock bloating plant according to claim 1, it is characterised in that：The perlite bloating plant also wraps Pre-heating system, dust pelletizing system and high temperature blower unit are included, the pre-heating system includes outer barrel and inner cylinder, the dust pelletizing system Including primary dust removing device, two-stage dust removal device and 3-stage dust-removal device, the primary dust removing device is cyclone separator, described Cyclone separator be used for by preheat perlite expansion process before feed intake during carry out dedusting, the cyclone separator is equipped with Air inlet, exhaust outlet and the 3rd discharge port, the air inlet of the cyclone separator pass through high temperature induced duct and the inner cylinder Tapping channel be connected, the 3rd discharge port is mutually connected with the hopper, so that passing through the cyclone separator Hopper is fallen under perlite that dedusting sub-elects is smooth；The two-stage dust removal device includes the first cyclone dust collectors and storing Tank, first cyclone dust collectors are used to collect the perlite progress finished product by expansion system expansion processing and dedusting, institute State the first cyclone dust collectors and be equipped with air inlet, exhaust outlet and the 4th discharge port, the air inlet of first cyclone dust collectors passes through High temperature induced duct is connected with second discharge port, and the 4th discharge port is mutually connected with the top end opening of the storage tank, So that it is collected in by the expanded perlite finished product after the first cyclone dust collectors dedusting in storage tank；The 3-stage dust-removal device Including the second cyclone dust collectors, the first splicing groove, bag filter and the second splicing groove, the second cyclone dust collectors, which are equipped with, inhales tail gas Air port, last person's gas air port and dust mouth, it is described suction tail gas air port be connected with the exhaust outlet of the first cyclone dust collectors, it is described go out dirt Mouth is mutually connected with the first splicing groove, and the air inlet of the bag filter is connected by high temperature induced duct with last person's gas air port Logical, the dust-exhausting port of the bag filter is mutually connected with the second splicing groove；

The high temperature blower unit includes the first high temperature draught fan, the second high temperature draught fan and high temperature induced duct, and described first is high Warm air-introduced machine is equipped with the first air inlet and the first air outlet, and first air inlet passes through high temperature induced duct and the cyclonic separation The exhaust outlet of device is connected, and first air outlet is connected with the exhaust gas processing device；Second high temperature draught fan is set There are the second air inlet and the second air outlet, second air inlet is connected with the exhaust outlet of bag filter, and described second goes out Air port is connected with the first blow vent of the outer barrel.

9. Novel pearl rock bloating plant according to claim 8, it is characterised in that：The storage tank, which uses, has height firmly The white steel of degree, high-wearing feature and high-fire resistance is made, and the cavity volume bottom of the storage tank surrounds storage tank central shaft equipped with four pieces Radially equally distributed partition plate, the fan-shaped chamber of cross type is separated to form by the cavity volume bottom of storage tank.

10. Novel pearl rock bloating plant according to claim 1, it is characterised in that：The surge hopper is designed as Narrow pyramidal structure or prism-frustum-shaped structure under width, rely under self gravitation nature in favor of entering the perlite of surge hopper Fall.