CN210620262U - Continuous preparation system of α gypsum - Google Patents
Continuous preparation system of α gypsum Download PDFInfo
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- CN210620262U CN210620262U CN201921387598.9U CN201921387598U CN210620262U CN 210620262 U CN210620262 U CN 210620262U CN 201921387598 U CN201921387598 U CN 201921387598U CN 210620262 U CN210620262 U CN 210620262U
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Abstract
The utility model provides a α gypsum continuous preparation system, α gypsum continuous preparation system includes raw materials preparation conveying system, raw materials homogenization system, additive system, two at least steam-curing and drying systems, grog conveying system, crocus system, finished product system, wherein, steam-curing and drying system includes semi-fixed bipyramid hollow jacket still kettle, unloads and breaks up desiccator and auxiliary assembly, semi-fixed bipyramid hollow jacket still kettle with unload and break up the desiccator and can the simultaneous operation work, the utility model provides a α gypsum continuous preparation system through semi-fixed bipyramid hollow jacket kettle with unload and break up the simultaneous operation work of desiccator, realize carrying out two steps of gypsum raw materials steam-curing and stoving simultaneously, have the advantage of saving process time, improving production efficiency, the difficult bonding of material.
Description
Technical Field
The utility model relates to an industrial raw materials preparation technical field especially relates to a continuous preparation system and production method of α gypsum.
Background
α the gypsum is α type semi-hydrated gypsum, which is a high strength gypsum, has the advantages of high strength, high density, high hardness, high fluidity and the like, and is widely applied to the fields of moulds, precision manufacturing, building materials and the like. α gypsum is α gypsum which contains 1/2 crystal waters and is produced by natural or industrial gypsum through crystal change under certain pressure and temperature under the action of a crystal modifier and dehydration.
The conventional process for preparing α type high-strength gypsum powder by using industrial by-product gypsum mainly comprises a dry method and a liquid phase method, corresponding preparation equipment is a steam curing kettle and a liquid phase method reaction kettle, the dry method process is mainly a one-step method, namely, steam curing and drying are completed in one equipment, the disadvantages of the one-step method production process are three, firstly, crystal transformation steam curing and drying are completed in the same equipment (a rotary crystallization kiln), the process time is long (about 5-6 hours), the process time is independent, the continuity of industrial production is not facilitated (the front and rear processes need to be stopped for waiting), only multiple equipment is adopted to perform parallel circulating work to realize continuous production, secondly, the one-step method process needs to use dynamic steam curing, auxiliary facilities such as a transmission device, a supporting device and the like are needed to realize dynamic rotation of the equipment, the equipment investment is large, the energy consumption is high, thirdly, the process filling rate of the dynamic rotary steam curing is low, the production efficiency is improved, the production cost is reduced, the bonding problem of materials is solved, the industrial and the scale production is an urgent need to be solved.
Therefore, there is a need to provide a new continuous preparation system and production method of α gypsum to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a continuous preparation system of α gypsum to solve prior art, gypsum production time is long and the technical problem that production efficiency is low.
The utility model provides a continuous preparation system of α gypsum, include:
a raw material preparation conveying system;
a feedstock homogenization system disposed at a front end of the feedstock preparation delivery system;
an additive system disposed at a front end of the feedstock preparation delivery system;
the steam curing and drying systems are arranged at the rear end of the raw material preparation conveying system;
the clinker conveying system is arranged at the rear end of the steam curing and drying system;
the powder grinding system is arranged at the rear end of the clinker conveying system;
the finished product system is arranged at the rear end of the grinding system;
the steam curing and drying system comprises a semi-fixed double-cone hollow jacket still kettle, a discharging scattering dryer and auxiliary equipment, wherein the semi-fixed double-cone hollow jacket still kettle is used for performing steam curing treatment on a gypsum raw material and sending the gypsum raw material subjected to steam curing treatment into the discharging scattering dryer; the unloading scattering dryer is used for drying the fed gypsum raw material;
when the semi-fixed double-cone hollow jacket still kettle firstly feeds the gypsum raw material subjected to steam curing into the discharging scattering dryer;
the semi-fixed double-cone hollow jacket still kettle can perform steam curing treatment on the gypsum raw material again, and operates simultaneously with the discharging scattering dryer.
Preferably, the auxiliary equipment comprises a steam source, a secondary boiling airflow drying pipe, a cyclone separator, a hot air source, a jacket cyclone moisture-preserving dust remover and a first exhaust fan;
the feed and discharge port of the semi-fixed double-cone hollow jacket still kettle is connected with the discharge end of the telescopic pipe;
the lower air inlet and the air cutting opening of the unloading scattering dryer are respectively connected with the air outlet of the hot air source through pipelines;
an air outlet at the upper part of the discharging scattering dryer is connected with one end of the secondary boiling airflow drying pipe;
the other end of the secondary boiling airflow drying pipe is connected with a feed inlet of the cyclone separator;
an upper exhaust port of the cyclone separator is connected with an air inlet of the jacket cyclone moisture-keeping device through a pipeline;
the air inlet end of the semi-fixed double-cone hollow jacket still kettle is connected with the steam source through a pipeline, the air outlet end of the semi-fixed double-cone hollow jacket still kettle is connected with the air inlet of the jacket cyclone moisture-preserving dust collector through a pipeline, and the air outlet of the jacket cyclone moisture-preserving dust collector is connected with the air inlet of the first exhaust fan.
Preferably, the semi-fixed double-cone hollow jacket still kettle comprises:
a base;
the horizontal double-cone kettle body is fixedly arranged on the base through two supporting devices of the supporting wheels;
the kettle body overturning transmission device is fixedly arranged on the base;
the single-shaft hollow transmission device is fixedly arranged on the bracket on the base;
the hollow shaft transmission device is arranged inside the horizontal double-cone kettle body and comprises a hollow shaft;
the material conveying device is arranged at the top of the horizontal double-cone kettle body;
the two bearing blocks are fixedly arranged at the left end and the right end of the upper surface of the base respectively;
the limiting device is arranged on the horizontal double-cone kettle body and the base;
the two rotary joints are respectively communicated with the left end and the right end of the hollow shaft;
and the two connecting pipes are respectively communicated with the left side and the right side of the horizontal double-cone kettle body.
Preferably, the discharging scattering drying furnace comprises:
a drying furnace; the drying furnace is a main body for suspension drying of materials and is a cylindrical vertical cylinder, the lower part of the drying furnace is provided with a hot air injection inlet, and the upper part of the drying furnace is an air outlet;
the tangential air inlet pipe is arranged at the middle section of the drying furnace, and the axis of the tangential air inlet pipe is horizontally arranged and is tangent to the inner wall of the cylinder body of the drying furnace;
a scattering rod device is arranged at the position of an air outlet of the tangential air inlet pipe in the drying furnace, a stirring device is arranged at the output end of the scattering rod device, and a conveying pipe is arranged above the stirring device;
the bottom of the blanking device is arranged above the conveying pipe;
the bottom of the movable discharging device is fixed at the top of the discharging device.
Preferably, the raw material homogenizing system comprises a raw material storage yard, a material taking machine, a feeding hopper, a first belt scale and a jacket screw conveyor, wherein the material taking machine is arranged between the raw material storage yard and the feeding hopper, the discharge end of the feeding hopper is connected with the feed end of the first belt scale, and the discharge end of the first belt scale is connected with the feed end of the jacket screw conveyor.
Preferably, the additive system includes second belt weigher, electric heating agitator, liquid feeding pipe and nozzle, the discharge end of first belt weigher with the top feed inlet of electric heating agitator is connected, the bottom discharge gate of electric heating agitator with the one end of liquid feeding pipe is connected, the other end of liquid feeding pipe with the nozzle is connected.
Preferably, raw materials preparation conveying system includes biax helical agitator, big inclination belt feeder, cloth belt feeder, is equipped with feed bin, first feeding machine, screw machine and flexible pipe, biax helical agitator's feed end is connected with the discharge end and the nozzle that press from both sides cover helical agitator respectively, biax helical agitator's discharge end with the feed end of big inclination belt feeder is connected, the discharge end of big inclination belt feeder with the feed end of cloth belt feeder is connected, the discharge end of cloth belt feeder with the top feed inlet of being equipped with the feed bin is connected, the bottom discharge gate of being equipped with the feed bin with the feed inlet of first feeding machine is connected, the discharge end of first feeding machine with the feed inlet of screw machine is connected, the discharge end of screw machine with the feed end of flexible pipe is connected.
Preferably, the milling system comprises a screw conveyer, a lifting plate chain conveyer, a middle bin, a second feeder, a third belt scale, a first lifter, a ball mill, a first dust remover, a second exhaust fan, a first air chute and a second dust remover, wherein the discharge end of the screw conveyer is connected with the feed end of the lifting plate chain conveyer, the feed end of the screw conveyer is connected with the bottom discharge port of the cyclone separator through a pipeline, the discharge end of the lifting plate chain conveyer is connected with the top feed port of the middle bin, the air inlet of the second dust remover is connected with the top feed port of the middle bin through a pipeline, the bottom discharge port of the middle bin is connected with the feed port of the second feeder, the discharge port of the second feeder is connected with the feed end of the third belt scale, the discharge end of the third belt scale is connected with the bottom feed end of the first lifter, the top discharge end of first lifting machine with the feeder hopper of ball mill is connected, the gas vent of ball mill pass through the pipeline with the air inlet of first dust remover is connected, the gas vent of first dust remover with the air inlet of second exhaust fan is connected, the discharge gate of ball mill with the feed end of first air chute is connected.
Preferably, the finished product system includes gypsum aging machine, second lifting machine, finished product storehouse, second air chute, packagine machine and belt feeder, the feed inlet of gypsum aging machine is connected with the discharge end of first air chute, the discharge gate of gypsum aging machine with the bottom feed end of second lifting machine is connected, the top discharge end of second lifting machine with the top feed inlet of finished product storehouse is connected, the bottom discharge gate of finished product storehouse with the feed inlet of second air chute is connected, the discharge gate of second air chute with the top feed inlet of packagine machine is connected, packagine machine's bottom discharge gate with the belt feeder is connected.
In order to solve the technical problem, the utility model also provides a continuous preparation production method of α type gypsum, which comprises the following steps:
s1, obtaining a gypsum raw material, and sequentially carrying out homogenization treatment and additive addition treatment on the gypsum raw material;
s2, performing steam curing treatment on the treated gypsum raw material;
s3, drying the steamed gypsum raw material;
s4, grinding the dried gypsum raw material into powder and processing the finished product to obtain α type gypsum;
wherein, after entering the step S3 for the first time, the steps S1 and S2 are activated again to achieve the step S2 and the step S3 being performed simultaneously.
Compared with the prior art, the utility model provides a continuous preparation system of α gypsum has following beneficial effect:
the utility model provides a α continuous preparation system of gypsum realizes carrying out two steps of gypsum raw materials steam curing and stoving simultaneously through the simultaneous operation work of semi-fixed bipyramid hollow jacket autoclave and the discharge scattering drier, has the advantages of saving production time, improving production efficiency and preventing materials from bonding simultaneously, has the advantages of saving production time, improving production efficiency and preventing materials from bonding
Drawings
FIG. 1 is a schematic diagram of the design of a continuous α gypsum production system provided by the present invention;
FIG. 2 is a schematic view of a partial structure of the continuous production system for α gypsum shown in FIG. 1;
FIG. 3 is a schematic structural view of a preferred embodiment of the semi-fixed double-cone hollow jacket autoclave shown in FIG. 1;
FIG. 4 is a schematic view of the outer portion of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 3;
FIG. 6 is a schematic structural view of a preferred embodiment of the discharge break-up dryer shown in FIG. 1;
FIG. 7 is an enlarged view of the portion B shown in FIG. 6;
FIG. 8 is a schematic structural view of a portion of the breakup bar apparatus shown in FIG. 7;
FIG. 9 is a schematic structural view of a portion of the movable discharge apparatus shown in FIG. 6;
FIG. 10 is a top plan view of a portion of the movable discharge apparatus shown in FIG. 6;
fig. 11 is a top view of the portion of the tangential air inlet duct shown in fig. 6.
Reference numbers in the figures: 1. a raw material storage yard, 2, a material taking machine, 3, a feeding hopper, 4, a first belt scale, 5, a jacket spiral conveyer, 6, a second belt scale, 7, an electric heating stirring barrel, 8, a liquid adding pipe, 9, a nozzle, 10, a double-shaft spiral stirrer, 11, a large-inclination-angle belt conveyer, 12, a cloth belt conveyer, 13, a preparation bin, 14, a first feeding machine, 15, a spiral machine, 16, a telescopic pipe, 17, a semi-fixed double-cone hollow jacket autoclave, 18, a steam source, 19, a discharging scattering dryer, 20, a secondary boiling airflow drying pipe, 21, a cyclone separator, 22, a hot air source, 23, a jacket moisture-preserving dust remover, 24, a first exhaust fan, 25, a spiral conveyer, 26, a lifting plate chain conveyer, 27, a middle bin, 28, a second feeding machine, 29, a third belt conveyer, 30, a first lifting machine, 31, a ball mill, 32 and a first dust remover, 33. a second exhaust fan 34, a first air chute 35, a gypsum aging machine 36, a second elevator 37, a finished product bin 38, a second air chute 39, a packing machine 40, a belt conveyor 41 and a second dust remover.
1a, a base, 2a, a riding wheel supporting device, 3a, a horizontal double-cone kettle body, 31a, a heat insulating layer, 32a, an outer shell, 33a, an inner shell, 34a, a heat source channel, 4a, a kettle body overturning transmission device, 41a, a transmission seat, 42a, a first transmission motor, 43a, a first speed reducer, 44a, a first gear shaft, 45a, a supporting bearing seat, 46a, a first gear, 47a, a second gear, 5a, a single-shaft hollow transmission device, 51a, a second transmission motor, 52a, a second speed reducer, 53a, a second gear shaft, 54a, a driving wheel, 55a, a belt, 56a, a driven wheel, 6a, a hollow shaft transmission device, 61a, a hollow shaft, 62a, hollow blade, 63a, a scraper plate, 64a, annular plate, 7a, a conveying device, 71a, a variable frequency motor, 72a, a material baffle box, 73a, The device comprises a third gear shaft, a 74a, a spiral material conveying plate, a 75a, a feeding hopper, a 76a, a quick-opening door hole cover, a 77a, a feeding hole, a 8a, a bearing seat, a 81a, a bearing, a 82a, a supporting seat, a 9a, a limiting device, a 91a, a fixing plate, a 92a, a limiting pin, a 93a, a through hole, a 94a, a limiting hole, a 10a, a connecting pipe, a 11a, a rotating head, a 12a, a first air pipe, a 13a and a second air pipe.
1b, a drying furnace, 2b, a tangential air inlet pipe, 3b, a scattering rod device, 31b, a motor, 32b, a ventilation rotary joint, 33b, a first bearing body, 34b, a first gear, 35b, a second gear, 36b, a second bearing body, 4b, a stirring device, 41b, a scattering rod body, 42b, a scattering blade, 43b, an air blowing opening, 5b, a conveying pipe, 6b, a blanking device, 61b, a lower straight pipe, 62b, a conical pipe, 7b, a movable discharging device, 71b, a lower flange and an outer cylinder, 72b, a folding sealing sleeve, 73b, a guide rail groove, 74b, an upper flange and an inner cylinder, 75b and a guide rail.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a continuous preparation system of α gypsum.
Referring to fig. 1-2, in one embodiment of the present invention, a system for continuously preparing α gypsum comprises:
a raw material preparation conveying system;
a feedstock homogenization system disposed at a front end of the feedstock preparation delivery system;
an additive system disposed at a front end of the feedstock preparation delivery system;
the steam curing and drying systems are arranged at the rear end of the raw material preparation conveying system;
the clinker conveying system is arranged at the rear end of the steam curing and drying system;
the powder grinding system is arranged at the rear end of the clinker conveying system;
the finished product system is arranged at the rear end of the grinding system;
the steam curing and drying system comprises a semi-fixed double-cone hollow jacket still kettle 17, a discharging scattering dryer 19 and auxiliary equipment, wherein the semi-fixed double-cone hollow jacket still kettle 17 is used for performing steam curing treatment on a gypsum raw material and sending the gypsum raw material subjected to steam curing treatment into the discharging scattering dryer 19; the unloading scattering dryer 19 is used for drying the fed gypsum raw material;
when the semi-fixed double-cone hollow jacket still kettle 17 firstly feeds the gypsum raw material subjected to steam curing into the discharging and scattering dryer 19;
the semi-fixed double-cone hollow jacket still kettle 17 can perform steam curing treatment on the gypsum raw material again, and operates simultaneously with the discharging scattering dryer 19.
In the embodiment, the time for carrying out steam curing treatment on the gypsum raw material by the semi-fixed double-cone hollow jacket still kettle 17 is generally 2-2.5 hours;
the time for drying the fed gypsum raw material by the discharging scattering dryer 19 is generally 1-1.5 hours;
the 'one-step' method is characterized in that the crystal transfer steaming and drying are completed in the same equipment (rotary crystallization kiln), and the process time is longer and is generally 5-6 hours;
therefore, compared with the same equipment of the 'one-step method', the 'two-step method' provided by the utility model has the advantages of saving the production time and improving the production efficiency.
In an embodiment, rotary joints are arranged at two ends of a middle shaft of the semi-fixed double-cone hollow jacket still kettle 17, an air outlet of the steam source 18 is connected with the rotary joint at an air inlet end of the semi-fixed double-cone hollow jacket still kettle 17 through a pipeline, and an air inlet of the jacket cyclone moisture-preserving dust collector 23 is connected with the rotary joint at an air outlet end of the semi-fixed double-cone hollow jacket still kettle 17 through a pipeline.
In order to realize dynamic steam curing, the one-step equipment needs to be additionally provided with an additional and complex transmission device, and compared with the one-step equipment, the semi-fixed double-cone hollow jacket still kettle 17 transmission device in the utility model is simpler and more practical;
moreover, when steam curing and drying are carried out in the same equipment, the equipment filling rate is lower in order to avoid material adhesion;
the utility model discloses in, owing to evaporate foster and dry and go on in two different equipment respectively, the utility model provides a semi-fixed bipyramid hollow clamp cover evaporates pressure cauldron 17 material filling rate and can improve to realize higher production efficiency.
In this embodiment, it can be understood that the auxiliary equipment is used for assisting the normal operation of the semi-fixed double-cone hollow jacket still kettle 17 and the discharge break-up dryer 19.
The auxiliary equipment can comprise a steam source 18, a discharging scattering dryer 19, a secondary boiling air flow drying pipe 20, a cyclone separator 21, a hot air source 22, a jacket cyclone moisturizing dust collector 23 and a first exhaust fan 24, wherein a material inlet and a material outlet of the semi-fixed double-cone hollow jacket still kettle 17 are connected with a material outlet end of the telescopic pipe 16, a lower air inlet and a cutting air inlet of the discharging scattering dryer 19 are respectively connected with an air outlet of the hot air source 22 through pipelines, an upper air outlet of the discharging scattering dryer 19 is connected with one end of the secondary boiling air flow drying pipe 20, the other end of the secondary boiling air flow drying pipe 20 is connected with a material inlet of the cyclone separator 21, an upper air outlet of the cyclone separator 21 is connected with an air inlet of the cyclone jacket moisturizing device 23 through a pipeline, an air inlet end of the semi-fixed double-cone hollow jacket still kettle 17 is connected with the steam source 18 through a pipeline, the exhaust end of the semi-fixed double-cone hollow jacket still kettle 17 is connected with the air inlet of the jacket cyclone moisturizing dust collector 23 through a pipeline, and the air outlet of the jacket cyclone moisturizing dust collector 23 is connected with the air inlet of the first exhaust fan 24.
The raw material homogenizing system comprises a raw material storage yard 1, a material taking machine 2, a feeding hopper 3, a first belt scale 4 and a jacket spiral conveyor 5, wherein the material taking machine 2 is arranged between the raw material storage yard 1 and the feeding hopper 3, the discharging end of the feeding hopper 3 is connected with the feeding end of the first belt scale 4, and the discharging end of the first belt scale 4 is connected with the feeding end of the jacket spiral conveyor 5.
The additive system comprises a second belt scale 6, an electric heating stirring barrel 7, a liquid adding pipe 8 and a nozzle 9, wherein the discharge end of the first belt scale 6 is connected with the top feed inlet of the electric heating stirring barrel 7, the bottom discharge hole of the electric heating stirring barrel 7 is connected with one end of the liquid adding pipe 8, and the other end of the liquid adding pipe 8 is connected with the nozzle 9.
The raw material preparation and conveying system comprises a double-shaft spiral stirrer 10, a large-inclination-angle belt conveyor 11, a material distribution belt conveyor 12, a material preparation bin 13, a first feeding machine 14, a spiral machine 15 and an extension pipe 16, the feed end of the double-shaft spiral stirrer 10 is respectively connected with the discharge end of the jacket spiral conveyer 5 and the nozzle 9, the discharge end of the double-shaft spiral stirrer 10 is connected with the feed end of the large-inclination-angle belt conveyor 11, the discharge end of the large-inclination-angle belt conveyor 11 is connected with the feed end of the distribution belt conveyor 12, the discharge end of the distribution belt conveyor 12 is connected with the top feed inlet of the stock preparation bin 13, the bottom discharge outlet of the stock preparation bin 13 is connected with the feed inlet of the first feeder 14, the discharge end of the first feeding machine 14 is connected with the feed inlet of the screw machine 15, and the discharge end of the screw machine 15 is connected with the feed end of the telescopic pipe 16.
The milling system comprises a screw conveyer 25, a lifting plate chain conveyer 26, a middle bin 27, a second feeder 28, a third belt scale 29, a first lifter 30, a ball mill 31, a first dust remover 32, a second exhaust fan 33, a first air chute 34 and a second dust remover 41, wherein the discharge end of the screw conveyer 25 is connected with the feed end of the lifting plate chain conveyer 26, the feed end of the screw conveyer 25 is connected with the bottom discharge hole of a cyclone separator 21 through a pipeline, the discharge end of the lifting plate chain conveyer 26 is connected with the top feed inlet of the middle bin 27, the air inlet of the second dust remover 41 is connected with the top feed inlet of the middle bin 27 through a pipeline, the bottom discharge hole of the middle bin 27 is connected with the feed inlet of the second feeder 28, the discharge hole of the second feeder 28 is connected with the feed end of the third belt scale 29, the discharge end of third belt weigher 29 with the bottom feed end of first lifting machine 30 is connected, the top discharge end of first lifting machine 30 with the feeder hopper of ball mill 31 is connected, the gas vent of ball mill 31 pass through the pipeline with the air inlet of first dust remover 32 is connected, the gas vent of first dust remover 32 with the air inlet of second exhaust fan 33 is connected, the discharge gate of ball mill 31 with the feed end of first air chute 34 is connected.
Finished product system includes gypsum aging machine 35, second lifting machine 36, finished product storehouse 37, second air chute 38, packagine machine 39 and belt feeder 40, the feed inlet of gypsum aging machine 35 is connected with the discharge end of first air chute 34, the discharge gate of gypsum aging machine 35 with the bottom feed end of second lifting machine 36 is connected, the top discharge end of second lifting machine 36 with the top feed inlet of finished product storehouse 37 is connected, the bottom discharge mouth of finished product storehouse 37 with the feed inlet of second air chute 38 is connected, the discharge gate of second air chute 38 with packagine machine 39's top feed inlet is connected, packagine machine 39's bottom discharge mouth with belt feeder 40 is connected.
The utility model provides a continuous preparation system of α gypsum's theory of operation as follows:
firstly, the reclaimer 2 removes gypsum raw materials from the raw material yard 1 and puts the gypsum raw materials into the charging hopper 3, the first belt scale 4 can quantitatively weigh the gypsum raw materials and convey the weighed gypsum raw materials into the jacket screw conveyor 5, the gypsum raw materials enter the double-shaft screw mixer 10 under the conveying of the jacket screw conveyor 5, the crystal transformation agent can be quantitatively weighed by the second belt scale 6, the weighed gypsum raw materials are conveyed into the electric heating stirring barrel 7, the crystal transformation agent is heated and melted, the melted crystal transformation agent is uniformly sprayed into the gypsum raw materials in the jacket screw conveyor 5 through the nozzle 9, the gypsum raw materials and the crystal transformation agent can be fully mixed in the operation process of the jacket screw conveyor 5, the mixed raw materials enter the cloth 12 under the lifting of the large-inclination angle belt conveyor 11, under the conveying of the distribution belt conveyor 12, the mixed raw materials enter the stock preparation bin 13;
the extension pipe 16 for conveying the moderated raw materials in the preparation bin 13 can be conveyed by the feeding machine 14 and the screw machine 15, and finally the extension pipe 16 enters the semi-fixed double-cone hollow sleeve autoclave 17, the semi-fixed double-cone hollow sleeve autoclave 17 can turn over the mixed raw materials, in the turning process, the steam source 18 can continuously feed saturated steam into the semi-fixed double-cone hollow sleeve autoclave 17 to fully steam the mixed raw materials, high-temperature dust-containing gas in the double-cone hollow sleeve autoclave 17 enters the jacket cyclone heat-insulating dust remover 23 through a pipeline, the jacket cyclone heat-insulating dust remover 23 can filter dust in the gas and then discharge the dust into the first exhaust fan 24 through a pipeline, and an exhaust outlet of the first exhaust fan 24 can be connected with other waste heat recovery devices through a pipeline, thereby realizing the discharge of high-temperature dusty gas in the kettle and the reutilization of waste heat;
after the crystal transformation and steaming of the mixed raw materials are completed in the semi-fixed double-cone hollow jacket still kettle 17, turning over, the semi-fixed double-cone hollow jacket still kettle 17 can be put into the discharging scattering dryer 19 through the material inlet and outlet, the hot air source 22 can continuously introduce dry hot air into the discharging scattering dryer 19, so that the raw materials can be dried, and the raw materials which are adhered and agglomerated can be broken up to form clinker particles, the clinker particles enter the cyclone separator 21 through the secondary boiling airflow drying pipe 20, moisture in the clinker particles can be removed through the cyclone separator 21, the top air outlet of the cyclone separator 21 is also connected with a jacket cyclone moisture-preserving dust collector 23 through a pipeline, the separated high-temperature gas containing dust and water can be filtered and the waste heat can be recovered, thus finishing the drying work of the raw materials;
the dried clinker particles enter the screw conveyor 25 through the bottom discharge hole of the cyclone separator, are transmitted to the lifting plate chain conveyor 26 by the screw conveyor 25, enter the intermediate bin 27 under the action of the lifting plate chain conveyor 26, the second dust remover 41 can absorb and filter dust generated in the process that the intermediate bin 27 receives the clinker particles, the clinker particles enter the second feeder 28 through the bottom discharge hole of the intermediate bin 27, are transmitted to the third belt scale 29 through the second feeder 28, the third belt scale 29 can quantitatively weigh the clinker particles, transmit the weighed clinker particles to the feed end of the first lifter 30, and the clinker particles can enter the ball mill 31 under the lifting transmission of the first lifter 30, the ball mill 31 can grind clinker particles into powder to form semi-finished product gypsum powder, under the action of the second exhaust fan 33, dust-containing gas generated in the grinding process of the ball mill 31 can enter the first dust remover 32 through a pipeline, the first dust remover 32 can filter the dust-containing gas, the filtered air can be discharged by the second exhaust fan 33, the ground semi-finished product gypsum powder enters the gypsum aging machine 35 through the first air chute 34, and the semi-finished product gypsum powder becomes finished product gypsum powder after being aged;
the finished gypsum powder can enter the packaging machine 39 through the second air chute 38, and the packaging machine 39 can quantitatively package the finished gypsum powder, so that the bagged finished gypsum powder after finishing packaging can be finally transported away by the belt conveyor 40.
Please refer to fig. 3-5; in this embodiment, the semi-fixed double-cone hollow jacket still kettle comprises: a base 1 a;
the horizontal double-cone kettle body 3a is fixedly arranged at the top of the base 1a through two supporting roller supporting devices 2a, the horizontal double-cone kettle body 3a is a double-cone cylinder with a large middle diameter and small diameters at two ends, the supporting roller supporting devices 2a are fixedly arranged on the base, each supporting roller supporting device 2a consists of two supporting roller groups, the two supporting rollers form a 60-degree included angle to support a rolling bearing, each supporting roller group consists of a supporting roller, a supporting roller shaft and a rolling bearing, and the rolling bearing is sleeved on the horizontal double-cone kettle body 3 a;
the kettle body overturning transmission device 4a is fixedly arranged on the right side of the top of the base 1 a;
the single-shaft hollow transmission device 5a is fixedly arranged on the left side of the top of the base 1 a;
the hollow shaft transmission device 6a is arranged inside the horizontal double-cone kettle body 3a, and the hollow shaft transmission device 6a comprises a hollow shaft 61 a;
the material conveying device 7a is arranged at the top of the horizontal double-cone kettle body 3 a;
the two bearing seats 8a are respectively and fixedly arranged on the left side and the right side of the top of the base 1 a;
the limiting device 9a is arranged on the horizontal double-cone kettle body 3 a;
two rotary heads 11a respectively communicating with the left and right ends of the hollow shaft 61 a;
the two connecting pipes 10a are respectively communicated with the left side and the right side of the horizontal double-cone kettle body 3 a.
The horizontal double-cone kettle body 3a comprises an outer shell 32a and an inner shell 33a, a heat insulation layer 31a is arranged on the surface of the outer shell 32a, the heat insulation layer 31a can greatly dissipate small heat, and a heat source channel 34a is formed between interlayers of the outer shell 32a and the inner shell 33 a.
The kettle body overturning transmission device 4a comprises a transmission seat 41a, a first transmission motor 42a is fixedly connected to the right side of the top of the transmission seat 41a, a first speed reducer 43a is arranged on the first transmission motor 42a, the bottom of the first speed reducer 43a is fixedly connected with the top of the transmission seat 41a, an output shaft of the first speed reducer 43a is fixedly connected with a first gear shaft 44a through a coupler, two support bearing seats 45a are fixedly connected to the right side of the top of the transmission seat 41a, one end of the first gear shaft 44a penetrates through the support bearing seats 45a and extends to one side of the support bearing seats 45a, the support bearing seats 45a are located on the right side of the transmission seat 41a, the penetrating positions of the first gear shaft 44a and the support bearing seats 45a are in clearance fit, one end of the first gear shaft 44a is rotatably connected with the right side of the support bearing seats 45a, here, the supporting bearing seat 45a is located on the left side of the transmission seat 41a, the surface of the first gear shaft 44a is sleeved with a first gear 46a, the right side of the surface of the horizontal double-cone autoclave body 3a is sleeved with a second gear 47a, the second gear 47a is fixedly connected with the surface of the horizontal double-cone autoclave body 3a, and the top of the first gear 46a is meshed with the bottom of the second gear 47 a.
The single-shaft hollow transmission device 5a comprises a second transmission motor 51a, a second speed reducer 52a is arranged on the second transmission motor 51a, one end of an output shaft of the second speed reducer 52a is fixedly connected with a second gear shaft 53a through a coupler, a driving wheel 54a is sleeved on the surface of the second gear shaft 53a, a driven wheel 56a is sleeved at the left end of the surface of the hollow shaft 61a, and the surface of the driving wheel is in transmission connection with the driven wheel 56a through a belt 55 a.
The left end and the right end of the hollow shaft 61a penetrate through the horizontal double-cone kettle body 3a and extend to the outside of the horizontal double-cone kettle body 3a, the penetrating positions of the hollow shaft 61a and the horizontal double-cone kettle body 3a are mechanically sealed, hollow blades 62a are arranged on the surface of the hollow shaft 61a and located inside the horizontal double-cone kettle body 3a, the hollow shaft 61a is communicated with the hollow blades 62a, scraping plates 63a are arranged on the hollow blades 62a, annular baffle plates 64a are sleeved at the two ends of the surface of the hollow shaft 61a, and the annular baffle plates 64a abut against the two sides of the inner wall of the horizontal double-cone kettle body 3 a.
The material conveying device 7a comprises a variable-frequency speed-regulating motor 71a and a material conveying box 72a, the material conveying box 72a and the variable-frequency speed-regulating motor 71a are both fixed on the horizontal double-cone kettle body 3a, the variable-frequency speed-regulating motor 71a can rotate positively and negatively, one end of an output shaft of the variable-frequency speed-regulating motor 71a is fixedly connected with a third gear shaft 73a through a coupler, one end of the third gear shaft 73a penetrates through the material conveying box 72a and extends to the inside of the material conveying box 72a, the penetrating part of the third gear shaft 73a and the material conveying box 72a passes through mechanical sealing, one end of the third gear shaft 73a is rotatably connected with the right side of the inner wall of the material conveying box 72a, a spiral material conveying plate 74a is arranged on the surface of the third gear shaft 73a and positioned in the material conveying box 72a, a feeding hopper 75a is communicated with the right side of the top of the material, the top of the horizontal double-cone kettle body 3a is provided with a feeding hole 77a, and the bottom of the material conveying box 72a corresponds to the feeding hole 77a and is of a cavity structure.
The bearing seat 8a comprises a bearing 81a, the bearing 81a is sleeved at the left end and the right end of the surface of the hollow shaft 61a, and the bottom of the surface of the bearing 81a is fixedly connected with the top of the base 1a through a supporting seat 82 a.
The limiting device 9a comprises a fixing plate 91a and a limiting pin 92a, a through hole 93a matched with the limiting pin 92a is formed in the fixing plate 91a, and a limiting hole 94a matched with the limiting pin 92a is formed in the top of the base 1 a.
The rotary head 11a is communicated with a first air pipe 12a, one end of the connecting pipe 10a is communicated with a second air pipe 13a, the connecting pipe can be communicated with an external heat source pipeline through the first air pipe 12a and the second air pipe 13a, hot air is introduced into a heat source channel 34a between an outer shell 32a and an inner shell 33a, a hollow shaft 61a and a hollow blade 62a, materials are heated, the first air pipe 12a and the second air pipe 13a on the left side and the right side can be used for air inlet and air outlet respectively, one end of the first air pipe 12a and one end of the second air pipe 13a are communicated with a booster pump, and valves are arranged on the two first air pipes 12a and the two second air pipes 13 a.
The utility model provides a semi-fixed bipyramid hollow clamp cover evaporates pressure cauldron's theory of operation as follows:
1. firstly, opening a kettle body overturning transmission device 4a to enable a material conveying device 7a to face upwards, then opening the material conveying device 7a and a single-shaft hollow transmission device 5a, opening a quick-opening door cover 76a, and adding industrial byproduct gypsum from a feed hopper 75a at the top of a material conveying box 72a, wherein a variable-frequency speed regulating motor 71a drives a third gear shaft 73a to rotate, the third gear shaft 73a drives a spiral conveying plate 74a to rotate, the spiral conveying plate conveys the material to the interior of the kettle body, a second transmission motor drives a driving wheel 54a to rotate through a second gear shaft 53a, the driving wheel 54a drives a driven wheel 56a to rotate through a belt, the driven wheel drives a hollow shaft 61a to rotate, the hollow shaft 61a drives a hollow paddle 62a to rotate, the rotating hollow paddle 62a breaks up the material and fills the material in the kettle, and meanwhile, the first air conveying pipe 12a and the second air conveying pipe 13a are communicated with an external heat source pipeline to input the heat source between an outer shell The material is heated in the channel 34a, the hollow shaft 61a and the hollow blade 62a, the material starts to be heated, the temperature of the material rises, and the material feeding is stopped when the material is added to the maximum capacity;
2. closing the quick-opening door cover 76a, correspondingly inserting a limiting pin 92a into the through hole in the fixing plate 91a and the limiting hole 94a in the base 1a, limiting the horizontal double-cone kettle body 3a, forming a closed environment in the horizontal double-cone kettle body 3a at the moment, controlling certain process parameters along with the operation and heat exchange of the horizontal double-cone kettle body 3a, completing the working procedures of temperature rise, pressure rise, crystal transformation and the like, completing the steam curing transformation from industrial byproduct gypsum to α high-strength gypsum, then discharging steam, and enabling the pressure in the kettle to reach normal pressure;
3. and (3) taking out the limiting pin 92a, starting the first transmission motor 42a, driving the first gear 46a to rotate by the first transmission motor 42a through the first gear shaft 44a, driving the horizontal double-cone kettle body 3a to turn 180 degrees by the first gear 46a through the second gear 47a, enabling the material conveying device 7a to face downwards, opening the quick-opening door cover 76a, starting the variable-frequency speed-regulating motor 71a and controlling the variable-frequency speed-regulating motor to turn reversely, and pushing the gypsum material in the kettle to move to the lowest position by the hollow blades 62a, so that the gypsum material enters the interior of the material conveying box 72a and is discharged through the feed hopper 75a through the spiral material conveying plate 74.
Compared with the prior art, the utility model provides a semi-fixed bipyramid hollow clamp cover evaporates pressure kettle has following beneficial effect:
the utility model provides a semi-fixed double-cone hollow jacket still kettle, firstly, a kettle body overturning transmission device 4a is opened to enable a material conveying device 7a to face upwards, then the material conveying device 7a and a single-shaft hollow transmission device 5a are opened, a quick-opening door cover 76a is opened, industrial by-product gypsum is added from a feed hopper 75a at the top of a material conveying box 72a, wherein, a variable frequency speed regulating motor 71a drives a third gear shaft 73a to rotate, the third gear shaft 73a drives a spiral material conveying plate 74a to rotate, the spiral material conveying plate conveys the material to the interior of the kettle body, the material can be prevented from being blocked by conveying the material through the spiral material conveying plate, the rotary hollow paddle 62a scatters the material and fills in the kettle, meanwhile, a first gas conveying pipe 12a and a second gas conveying pipe 13a are communicated with an external heat source pipeline to input hot air flow to a channel 34a between an outer shell 32a and an inner shell 33a, a hollow shaft 61a and, the material is heated, the temperature of the material starts to rise, the surface of the outer shell 32a is provided with the heat preservation layer 31a, the heat loss in the horizontal double-cone kettle body 3a is greatly reduced, the outer edge of the hollow blade 62a is provided with the scraping plate 63a, the material adhered to the inner shell 33a can be removed, the waste is reduced, the two annular baffle plates 64a can prevent the material from entering the connecting part of the hollow shaft 61a and the horizontal double-cone kettle body 3a, the steaming and the drying are separately carried out in two devices, the first batch is dried during the steaming, the process time is shortened, the continuous and industrial production is facilitated, in the processing process, the horizontal double-cone kettle body 3a is limited and fixed through the limiting device 9a, the hollow blade 62a in the kettle rotates, and the horizontal double-cone kettle body 3a is supported through the bearing seat 8a, the semi-fixed double-cone hollow jacket still kettle has the advantages of simple support, small power required by a transmission mechanism for driving the hollow blades 62a to rotate, simple structure and low manufacturing cost, allows larger material filling compared with a rotary dynamic still kettle, achieves 2-2.5 times, and has high production efficiency.
Referring to fig. 6-11, in the present embodiment, the discharging and scattering drying oven includes:
a drying furnace 1 b; the drying furnace 1b is a main body for suspension drying of materials and is a cylindrical vertical cylinder, the lower part of the drying furnace is provided with a hot air injection inlet, and the upper part of the drying furnace is provided with an air outlet;
the tangential air inlet pipe 2b is arranged in the middle section of the drying furnace 1b, and the axial line of the tangential air inlet pipe 2b is horizontally arranged and is tangent to the inner wall of the cylinder of the drying furnace 1 b;
a scattering rod device 3b is arranged at the position of an air outlet of the tangential air inlet pipe 2b in the drying furnace 1 b; the output end of the scattering rod device 3b is provided with a stirring device 4b, and a conveying pipe 5b is arranged above the stirring device 4 b;
the bottom of the blanking device 6b is arranged above the conveying pipe 5 b;
the bottom of the movable discharging device 7b is fixed at the top of the discharging device 6 b.
The drying furnace 1b is a vertical cylinder body with upper and lower cones, the lower cone is a boiling air source port, hot air from a heat source body is sprayed upwards from the port at a certain air speed, a certain upward air speed is formed in the cylinder, the suspension state of materials is ensured, the materials are heated and quickly dried and dehydrated, the scattering rod device 3b and the stirring device 4b are flatly arranged on a position slightly below the conveying pipe 5b, the lower part of the blanking device 6b is communicated with the upper part of the conveying pipe 5b, the movable discharging device 7b can realize movable connection, the connection conversion of static equipment and dynamic equipment is realized, and different use requirements are met.
The scattering rod device 3b comprises a motor 31b, an output end of the motor 31b is provided with a ventilation rotary joint 32b, an output end of the ventilation rotary joint 32b is provided with a first bearing body 33b, a first gear 34b is fixedly connected to the first bearing body 33b, the motor 31b is externally connected with a power supply and a controller, and the first bearing body 33b and a second bearing body 36b are both provided with ventilation rotary joints 34.
The first gear 34b is engaged with a second gear 35b, a second bearing body 36b is fixedly connected to the axis of the second gear 35b, a ventilation rotary joint 32b and a stirring device 4b which are the same as those on the first bearing body 33b are arranged on the second bearing body 36b, a group of scattering mechanisms are formed between the scattering rod device 3b and the stirring device 4b, the number of the scattering mechanisms is two, the two groups of scattering mechanisms are distributed in parallel, the two groups of scattering mechanisms are connected through two synchronous gears with the same structure, and the synchronous gears are the first gear 34b and the second gear 35 b.
The stirring device 4b comprises a breaking rod body 41b, the left end of the breaking rod body 41b is fixedly connected with one end of the first bearing body 33b and is communicated with one another, the breaking rod body 41b is provided with a plurality of breaking blades 42b, the breaking rod body 41b is provided with a plurality of air blowing ports 43b, the second bearing body 36b is fixedly connected with the same breaking rod body 41b, structures on the breaking rod body 41b connected with the second bearing body 36b and the breaking rod body 41b connected with the first bearing body 33b are distributed in a staggered mode, the breaking rod body 41b is a hollow circular tube with an encapsulated end, the air blowing ports 43b are uniformly arranged on the surface of the breaking rod body 41b, the interior of the first bearing body 33b is of a hollow structure, and the interior of the first bearing body 33b is communicated with the interior of the ventilation rotary joint 32b, the input end of the ventilation rotary joint 32b is communicated with the interior of the tangential air inlet pipe 8, hot air enters the interior of the first bearing body 33b through the ventilation rotary joint 32b at a high speed, hot air enters the interior of the scattering rod body 41b through the first bearing body 33b and is jetted out through the air blowing port 43b, wet materials adhered to the scattering blades 42b are blown and heated to dry, the scattering blades 42b are made of wear-resistant steel materials and are arranged on the surface of the scattering rod body 41b in four rows and form a certain angle with the axis of the scattering rod body 41b, the two scattering blades 42b of the two groups of scattering mechanisms are staggered, the motor 31b drives the scattering rod body 41b to rotate through a synchronous gear set, the rotating directions of the two scattering rod bodies 41b are opposite, and the whole scattering rod body 41b is installed on the drying furnace 1b through a bearing body connecting flange.
The interior of the scattering rod body 41b is of a hollow structure, the interior of the tangential air inlet pipe 2b is respectively connected with the ventilation rotary joints 32b on the first bearing body 33b and the second bearing body 36b and is externally connected with a high-pressure hot air source, and air holes with different angles are drilled on the scattering rod body 41 b.
The movable discharging device 7b comprises a lower flange and outer cylinder 71b, an upper flange and inner cylinder 74b and a folding sealing sleeve 72b, the bottom of the lower flange and outer cylinder 71b is fixedly connected with the top of the conical tube 62b, the top of the lower flange and outer cylinder 71b is provided with the folding sealing sleeve 72b, three guide rail grooves 73b are formed in the lower flange and outer cylinder 71b, the top of the folding sealing sleeve 72b is fixedly connected with the upper flange and inner cylinder 74b, three guide rails 75b are arranged outside the upper flange and inner cylinder 74b, and the three guide rails 75b are matched with the three guide rail grooves 73 b.
In this embodiment, the lower flange and outer cylinder 71b are fixed flanges, the upper flange and inner cylinder 74b are movable flanges, the movable flanges are composed of three guide rails 75b uniformly distributed on the outer surfaces of the flange, the short straight pipe and the straight pipe, the fixed flanges are composed of three guide rail grooves 73b uniformly distributed on the inner walls of the flange, the short straight pipe and the straight pipe, the guide rails 75b are matched with the guide rail grooves 73b, one end of a folding sealing sleeve 72b is welded on the movable flanges, the other end is welded on the fixed flanges and is made of flexible sealing materials, the fixed flanges are connected with a large-bottom conical pipe 62b and a lower straight pipe 61b, the movable flanges can move up and down so that the movable flanges are connected with a discharge port 75a of the dry method steam curing kettle in a flange manner, when the discharge is needed, the movable flanges move up to be connected with the discharge port 75a of the dry method steam curing kettle, after the discharge is completed, the movable, the lower head of the lower straight pipe 61b is welded on the inclined shaftless hoisting spiral conveying pipe.
The interior of the tangential air inlet pipe 8 is respectively connected with the ventilating rotary joints on the first bearing body 33b and the second bearing body 36b, the interior of the scattering rod body 41b is of a hollow structure, and the input end of the tangential air inlet pipe 8 is connected with a drying steam device.
The utility model provides a working principle of drying furnace is broken up in unloading as follows:
when in use, when the material needs to be discharged, the movable flange is moved upwards to be connected with a discharge port of the dry-method steam-curing kettle, the interior of the tangential air inlet pipe 8 is communicated with a drying steam device, hot air enters the interior of the first bearing body 33b through the ventilating rotary joint 32b at a high speed, the hot air enters the interior of the scattering rod body 41b through the first bearing body 33b and is jetted out through the air blowing port 43b, wet materials adhered on the scattering blades 42b are blown and heated, the motor 31b is started, the motor 31b synchronously drives the scattering rod body 41b to rotate through the first bearing body 33b, meanwhile, the first bearing body 33b drives the second bearing body 36b to synchronously and reversely rotate through the synchronous gear, the scattering blades 42b on the scattering rod bodies 41b at two sides synchronously scatter the materials, the adhesion probability of the wet gypsum is reduced, meanwhile, scattering and suspension drying are beneficial to the rapid dehydration of the materials, the bonding possibility of wet gypsum is reduced, and the thermal efficiency can be improved by 80%.
Compared with the prior art, the utility model provides a dry furnace is broken up in unloading has following beneficial effect:
the utility model provides a drying furnace is broken up in unloading, through the loop hookup of discharge tube, the hookup conversion of static equipment and dynamic equipment has been realized, realize drying equipment direct connection steam-curing equipment, the circulation link of wet material has been reduced, the bonding probability of wet gypsum has been reduced, the efficiency is improved, carry through the shake, break up, the dry combined action of air-blowing and suspension, be favorable to the rapid dehydration of material, wet gypsum's bonding possibility has been reduced, the thermal efficiency can improve 80%, be favorable to the industrial production and realize the maximization of productivity.
Based on the α continuous preparation system of gypsum, the utility model also provides a α continuous preparation production method of gypsum.
The continuous preparation method of the α type gypsum comprises the following steps:
s1, obtaining a gypsum raw material, and sequentially carrying out homogenization treatment and additive addition treatment on the gypsum raw material;
specifically, the gypsum raw material is homogenized through the raw material homogenizing system;
the gypsum raw material is treated by adding the additive through the additive system
S2, performing steam curing treatment on the treated gypsum raw material;
specifically, the treated gypsum raw material is steamed and cured by the semi-fixed double-cone hollow jacket still kettle 17;
s3, drying the steamed gypsum raw material;
specifically, the gypsum raw material is steamed and cured by the discharging scattering dryer 19;
s4, grinding the dried gypsum raw material into powder and processing the finished product to obtain α type gypsum;
specifically, the gypsum raw material after drying treatment is subjected to grinding and finished product treatment through the grinding system and the finished product system respectively;
wherein, after entering the step S3 for the first time, the steps S1 and S2 are activated again to achieve the step S2 and the step S3 being performed simultaneously.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. A continuous α gypsum production system, comprising:
a raw material preparation conveying system;
a feedstock homogenization system disposed at a front end of the feedstock preparation delivery system;
an additive system disposed at a front end of the feedstock preparation delivery system;
the steam curing and drying systems are arranged at the rear end of the raw material preparation conveying system;
the clinker conveying system is arranged at the rear end of the steam curing and drying system;
the powder grinding system is arranged at the rear end of the clinker conveying system;
the finished product system is arranged at the rear end of the grinding system;
the steam curing and drying system comprises a semi-fixed double-cone hollow jacket still kettle, a discharging scattering dryer and auxiliary equipment, wherein the semi-fixed double-cone hollow jacket still kettle is used for performing steam curing treatment on a gypsum raw material and sending the gypsum raw material subjected to steam curing treatment into the discharging scattering dryer; the unloading scattering dryer is used for drying the fed gypsum raw material;
after the semi-fixed double-cone hollow jacket still kettle firstly feeds the gypsum raw material subjected to steam curing into the discharging scattering dryer, the semi-fixed double-cone hollow jacket still kettle can be used for carrying out steam curing treatment on the gypsum raw material again and simultaneously operates with the discharging scattering dryer.
2. The continuous α gypsum production system according to claim 1, wherein the ancillary equipment includes a steam source, a secondary boiling stream drying duct, a cyclone separator, a hot air source, a jacketed cyclone moisture retention dust collector, and a first exhaust fan;
the feed and discharge port of the semi-fixed double-cone hollow jacket still kettle is connected with the discharge end of the telescopic pipe;
the lower air inlet and the air cutting opening of the unloading scattering dryer are respectively connected with the air outlet of the hot air source through pipelines;
an air outlet at the upper part of the discharging scattering dryer is connected with one end of the secondary boiling airflow drying pipe;
the other end of the secondary boiling airflow drying pipe is connected with a feed inlet of the cyclone separator;
an upper exhaust port of the cyclone separator is connected with an air inlet of the jacket cyclone moisture-keeping device through a pipeline;
the air inlet end of the semi-fixed double-cone hollow jacket still kettle is connected with the steam source through a pipeline, the air outlet end of the semi-fixed double-cone hollow jacket still kettle is connected with the air inlet of the jacket cyclone moisture-preserving dust collector through a pipeline, and the air outlet of the jacket cyclone moisture-preserving dust collector is connected with the air inlet of the first exhaust fan.
3. The continuous α gypsum production system according to claim 1, wherein the semi-fixed double-cone hollow jacket still kettle comprises:
a base;
the horizontal double-cone kettle body is fixedly arranged on the base through two supporting devices of the supporting wheels;
the kettle body overturning transmission device is fixedly arranged on the base;
the single-shaft hollow transmission device is fixedly arranged on the bracket on the base;
the hollow shaft transmission device is arranged inside the horizontal double-cone kettle body and comprises a hollow shaft;
the material conveying device is arranged at the top of the horizontal double-cone kettle body;
the two bearing blocks are fixedly arranged at the left end and the right end of the upper surface of the base respectively;
the limiting device is arranged on the horizontal double-cone kettle body and the base;
the two rotary joints are respectively communicated with the left end and the right end of the hollow shaft;
and the two connecting pipes are respectively communicated with the left side and the right side of the horizontal double-cone kettle body.
4. The continuous α gypsum production system of claim 1, wherein the discharge break-up drying oven includes:
a drying furnace; the drying furnace is a main body for suspension drying of materials and is a cylindrical vertical cylinder, the lower part of the drying furnace is provided with a hot air injection inlet, and the upper part of the drying furnace is an air outlet;
the tangential air inlet pipe is arranged at the middle section of the drying furnace, and the axis of the tangential air inlet pipe is horizontally arranged and is tangent to the inner wall of the cylinder body of the drying furnace;
a scattering rod device is arranged at the position of an air outlet of the tangential air inlet pipe in the drying furnace, a stirring device is arranged at the output end of the scattering rod device, and a conveying pipe is arranged above the stirring device;
the bottom of the blanking device is arranged above the conveying pipe;
the bottom of the movable discharging device is fixed at the top of the discharging device.
5. The continuous α gypsum production system of claim 1, wherein the raw material homogenizing system includes a raw material yard, a reclaimer disposed between the raw material yard and the hopper, a first belt scale, and a jacketed screw conveyor, a discharge end of the hopper is connected to a feed end of the first belt scale, and a discharge end of the first belt scale is connected to a feed end of the jacketed screw conveyor.
6. The continuous preparation system of α gypsum according to claim 5, wherein the additive system comprises a second belt scale, an electrically heated mixing drum, a liquid feeding pipe and a nozzle, the discharge end of the first belt scale is connected with the top feed inlet of the electrically heated mixing drum, the bottom discharge outlet of the electrically heated mixing drum is connected with one end of the liquid feeding pipe, and the other end of the liquid feeding pipe is connected with the nozzle.
7. The α continuous preparation system of gypsum according to claim 5, wherein the raw materials preparation conveying system includes a double-shaft screw mixer, a large-inclination belt conveyor, a distribution belt conveyor, a preparation bin, a first feeding machine, a screw machine and a telescopic tube, the feed end of the double-shaft screw mixer is connected with the discharge end and the nozzle of the jacket screw conveyor respectively, the discharge end of the double-shaft screw mixer is connected with the feed end of the large-inclination belt conveyor, the discharge end of the large-inclination belt conveyor is connected with the feed end of the distribution belt conveyor, the discharge end of the distribution belt conveyor is connected with the top feed inlet of the preparation bin, the bottom discharge port of the preparation bin is connected with the feed inlet of the first feeding machine, the discharge end of the first feeding machine is connected with the feed inlet of the screw machine, and the discharge end of the screw machine is connected with the feed end of the telescopic tube.
8. The continuous preparation system of α gypsum according to claim 2, wherein the milling system comprises a screw conveyor, a lifting plate chain conveyor, a middle bin, a second feeder, a third belt scale, a first elevator, a ball mill, a first dust remover, a second exhaust fan, a first air chute and a second dust remover, the discharge end of the screw conveyor is connected with the feed end of the lifting plate chain conveyor, the feed end of the screw conveyor is connected with the bottom discharge port of the cyclone separator through a pipeline, the discharge end of the lifting plate chain conveyor is connected with the top feed port of the middle bin, the air inlet of the second dust remover is connected with the top feed port of the middle bin through a pipeline, the bottom discharge port of the middle bin is connected with the feed port of the second feeder, the discharge port of the second feeder is connected with the feed end of the third belt scale, the discharge end of the third feeder is connected with the bottom feed end of the first elevator, the discharge port of the first elevator is connected with the discharge port of the ball mill through a pipeline, and the air outlet of the first air chute is connected with the discharge port of the first dust remover.
9. The continuous preparation system of α gypsum according to claim 8, wherein the finished product system includes a gypsum aging machine, a second elevator, a finished product bin, a second air chute, a packaging machine and a belt conveyor, the feed inlet of the gypsum aging machine is connected with the discharge end of the first air chute, the discharge outlet of the gypsum aging machine is connected with the bottom feed end of the second elevator, the top discharge end of the second elevator is connected with the top feed inlet of the finished product bin, the bottom discharge outlet of the finished product bin is connected with the feed inlet of the second air chute, the discharge outlet of the second air chute is connected with the top feed inlet of the packaging machine, and the bottom discharge outlet of the packaging machine is connected with the belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387598.9U CN210620262U (en) | 2019-08-26 | 2019-08-26 | Continuous preparation system of α gypsum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387598.9U CN210620262U (en) | 2019-08-26 | 2019-08-26 | Continuous preparation system of α gypsum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407243A (en) * | 2019-08-26 | 2019-11-05 | 湖南昌迅科技环保股份有限公司 | The continuous preparation system and production method of α gypsum |
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2019
- 2019-08-26 CN CN201921387598.9U patent/CN210620262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407243A (en) * | 2019-08-26 | 2019-11-05 | 湖南昌迅科技环保股份有限公司 | The continuous preparation system and production method of α gypsum |
| CN110407243B (en) * | 2019-08-26 | 2024-01-30 | 隆尧县东升石膏建材有限公司 | Continuous preparation system and production method of alpha gypsum |
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