CN106946483A - Industry by-product gypsum reduction apparatus - Google Patents
Industry by-product gypsum reduction apparatus Download PDFInfo
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- CN106946483A CN106946483A CN201710330121.6A CN201710330121A CN106946483A CN 106946483 A CN106946483 A CN 106946483A CN 201710330121 A CN201710330121 A CN 201710330121A CN 106946483 A CN106946483 A CN 106946483A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/06—Calcium sulfate cements starting from anhydrite
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Abstract
The present invention relates to a kind of industry by-product gypsum reduction apparatus, including kiln hood, kiln tail, roller, feed arrangement, discharging opening, afterbody air inlet pipe, actuating unit and support meanss, anhydrous gypsum and semi-hydrated gypsum are conveyed into closed roller, simultaneously vapor is conveyed into closed roller, under certain pressure conditions, by anhydrous gypsum, semi-hydrated gypsum and vapor in closed roller mixing and stirring, anhydrous gypsum is reduced into semi-hydrated gypsum using the moisture and vapor of semi-hydrated gypsum.So that the problem of anhydrous gypsum product for effectively solving existing gypsum dryer is more, effective to improve the conversion ratio that industry by-product gypsum is converted into semi-hydrated gypsum, the production efficiency that gypsum dryer produces semi-hydrated gypsum is improved.
Description
Technical field
The present invention relates to gypsum production equipment technical field, and in particular to a kind of industry by-product gypsum particularly ardealite
Reduction apparatus.
Background technology
Gypsum is that a kind of chemical composition is the calcium sulfate containing the crystallization water, and in daily life, gypsum is divided into the natural gypsum
And chemical gypsum, the natural gypsum is the mineral matter containing two crystallizations water, and chemical gypsum is production chemical fertilizer and other industrial chemicals
When the waste material that produces, the byproduct that the raising with coal-burning boiler to emission request, wherein sulfur removal technology are produced is referred to as desulfurization stone
Cream；Scrap gypsum produced by production chemical fertilizer and other phosphides containing phosphorous oxide because be referred to as ardealite, and gypsum is being built
It is that the gypsum containing two crystallizations water is sintered into the gypsum containing half of crystallization water mostly to build the application on material, is commonly called as half
Water gypsum；In the calcination process of dihydrate gypsum, gypsum is heated to 130 DEG C -230 DEG C so that contain free moisture in gypsum
Separated out with the crystallization water, become semi-hydrated gypsum, so as to applied to building field；And when temperature is more than 230 DEG C, semi-hydrated gypsum will turn
Anhydrous gypsum is melted into, anhydrous gypsum can not be used in building field.
At present, when using dihydrate gypsum drying production semi-hydrated gypsum, generally dihydrate gypsum is entered using gypsum dryer
Row drying, its principle is that ardealite is transported in dryer, configures flame furnace in dryer end, is sprayed using flame furnace
Flame produces high temperature gas flow, by ardealite heating, drying, so that the purpose of gypsum structure conversion is reached, still, due to dryer
Length is longer, and flame furnace is located at one end of dryer, and this is resulted in, and dryer different zones temperature is different, close to flame furnace
One end temperature is higher, and one end temperature away from flame furnace is relatively low, and to make good drying effect, the rotating cylinder of dryer is typically inner-outer sleeve
Cartridge form, gypsum is transported between inner/outer tube, and the side interval of the close flame furnace of dryer is higher than 2300C position sets anhydrous
Gypsum is exported, in the appropriate location away from flame furnace, and its temperature range is 1300C-2300C position sets going out for semi-hydrated gypsum
Mouthful, at present, the semi-hydrated gypsum produced can be used as construction material, still, and the anhydrous gypsum produced is typically only capable to storage
Him is separately done to use.And in actual production, because temperature control difficulty is larger, substantial amounts of anhydrous gypsum output is had, have a strong impact on
The production efficiency and yield of semi-hydrated gypsum.
The content of the invention
In summary, in order to overcome the shortcomings of prior art problem, the invention provides a kind of reduction of industry by-product gypsum
Equipment, it is that the anhydrous gypsum and semi-hydrated gypsum for producing gypsum dryer are well mixed, while to anhydrous gypsum and half water stone
Cream conveys vapor, anhydrous gypsum is reduced into semi-hydrated gypsum using the moisture and vapor of semi-hydrated gypsum, so as to improve industry
By-product gypsum is converted into the conversion ratio of semi-hydrated gypsum, improves the production efficiency that gypsum dryer produces semi-hydrated gypsum.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of industry by-product gypsum reduction apparatus, wherein：The reduction apparatus is applied to industry by-product gypsum restoring method, described
Industry by-product gypsum restoring method is：Anhydrous gypsum and semi-hydrated gypsum are conveyed into the closed roller of reduction apparatus, while to
Conveying vapor in closed roller, under 20 ~ 50kPa pressure condition, by anhydrous gypsum, semi-hydrated gypsum and vapor closed
Mixing and stirring in roller, semi-hydrated gypsum is reduced into using the moisture and vapor of semi-hydrated gypsum by anhydrous gypsum, described
Reduction apparatus includes kiln hood, kiln tail, roller, feed arrangement, discharging opening, afterbody air inlet pipe, actuating unit and support meanss,
Described support device kiln hood and kiln tail, actuating unit drive roller to be rotated relative to kiln hood and kiln tail, described kiln
Set on the outside of tail and discharge door be provided with discharging opening and afterbody air inlet pipe, described discharging opening, the upper end of described discharge door with
Discharging opening upper end is hinged, and the lower end of discharge door is provided with balancing weight, and afterbody air inlet pipe connects vapour source, institute by steam delivery pump
Set on the kiln hood stated and humidity sensor and pressure sensor are provided with feed arrangement, described roller, described charging dress
Put and feed hopper is provided with the conveying pipeline including being connected with kiln hood inner chamber, the charging aperture of conveying pipeline, described feed hopper upper end is opened
Pressure is provided with the semi-hydrated gypsum outlet and anhydrous gypsum outlet of mouthful connection gypsum dryer, the lower ending opening of described feed hopper
Power door, the side of described pressure door is hinged with feed hopper, and opposite side is connected with feed hopper by compression spring.
Technical scheme may also is that realization：Head air inlet pipe, head are provided with described kiln hood
Air inlet pipe passes through pipeline communication steam delivery pump.
Technical scheme may also is that realization：Described feed arrangement include elevating hopper, upper pressure door,
Hopper, lower pressure door and conveying pipeline, the semi-hydrated gypsum of described elevating hopper upper end open connection gypsum dryer are exported and nothing
Water gypsum is exported, and elevating hopper bottom is fixedly connected on the top of hopper, and elevating hopper lower ending opening is located in hopper, and feeding
Pressure door is provided with bucket lower ending opening, upper pressure door one end is hinged with elevating hopper, the other end and elevating hopper of upper pressure door
Connected by upper spring, the described bottom of hopper is fixedly connected with the top of feed pipe, and the lower ending opening of hopper is located at
Lower pressure door is provided with conveying pipeline, and on the lower ending opening of hopper, lower pressure door side is hinged with hopper, lower pressure door
Opposite side be connected with hopper by lower spring, described conveying pipeline other end connection kiln hood inner chamber, the pulling force of lower spring is big
In the pulling force of upper spring.
Technical scheme may also is that realization：Described discharging opening is arranged on the bottom of kiln tail, discharging
Pneumatic discharge valve is connected with mouthful, described pneumatic discharge valve includes above connecing bucket, upper valve body, upper cylinder, upper hush panel, buffering material
Bucket, lower valve body, lower cylinder and lower sealing plate, the upper end for above connecing bucket are connected with discharging opening, above connect the lower end connection upper valve body of bucket
Set in import, the import of the outlet connection buffering hopper of upper valve body, the import of the outlet connection lower valve body of buffering hopper, upper valve body
It is equipped with upper cylinder, the expansion link of upper cylinder and is provided with hush panel, upper hush panel is corresponding with the import of upper valve body, in lower valve body
It is provided with lower cylinder, the expansion link of lower cylinder and is provided with lower sealing plate, lower sealing plate is corresponding with the import of lower valve body.
Technical scheme may also is that realization：The air pump motor that described steam delivery pump is used is change
Frequency motor.
Technical scheme may also is that realization：Described actuating unit include gear wheel, motor,
Decelerator, driving gear, carrying roller and filler ring, gear wheel are arranged on roller excircle, and gear wheel is intermeshed with driving gear,
Driving gear is connected on the output shaft of decelerator, and the input shaft of decelerator connects the output shaft of motor, described roller it is outer
Provided circumferentially about to have multiple filler rings, multiple filler rings are symmetrically distributed in gear wheel both sides, carrying roller support filler ring.
Technical scheme may also is that realization：It is provided with described inner wall of rotary drum along drum length side
To the lifting blade of screw arrangement.
Beneficial effects of the present invention are：
1st, the present invention is that the anhydrous gypsum and semi-hydrated gypsum for producing gypsum dryer are well mixed, while to anhydrous gypsum and partly
Water gypsum conveys vapor, anhydrous gypsum is reduced into semi-hydrated gypsum using the moisture and vapor of semi-hydrated gypsum, so that effectively
The existing gypsum dryer of solution anhydrous gypsum product it is many problem of, the effective industry by-product gypsum that improves is converted into half water
The conversion ratio of gypsum, improves the production efficiency that gypsum dryer produces semi-hydrated gypsum.
2nd, reduction apparatus of the invention is that the afterbody air inlet pipe set by kiln tail conveys vapor into roller；By entering
Expect that the pressure door under the feed hopper of device is closed by roller feed hopper, the discharge door of the discharging opening set by kiln tail is by discharging opening
Closing, realizes the closed of drum cavity space, rolling is monitored in real time by the pressure sensor and humidity sensor that are set in roller
Pressure and humidity in cylinder, the rotating speed of the air pump motor of steam delivery pump is adjusted according to the pressure in roller and humidity, makes roller
Interior pressure is constantly maintained in the range of 20 ~ 50kPa, anhydrous gypsum, semi-hydrated gypsum and water in the pressure condition bottom roll
Steam is sufficiently mixed stirring, realizes the reduction of anhydrous gypsum.
3rd, feed arrangement of the invention is also designed to the structure type of upper and lower pair of pressure door, while the kiln of the present invention
Pneumatic dump valve is set on the discharging opening of tail, and Pneumatic dump valve is using the structure type for the double cylinders arranged up and down, double pressure doors
And the setting of Pneumatic dump valve, the air-tightness of drum cavity can be strengthened, it is ensured that the obturation effect of drum cavity, by drum cavity
Completely cut off with outside air, it is ensured that the stabilization of drum cavity pressure.
4th, the restoring method of reduction industry by-product gypsum of the invention is novel, technique is simple, and reduction of the invention is set
Standby simple in construction, easy to use, reduction effect is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is another structural representation of the invention；
Fig. 3 for the present invention Fig. 2 in pneumatic discharge valve structural representation.
1- kiln hoods, 2- kiln tails, 3- rollers, 4- discharging openings, 5- afterbodys air inlet pipe, 6- support meanss, 7- discharge doors, 8- counterweights
Block, 9- steam delivery pump, 10- vapour sources, 11- humidity sensors, 12- pressure sensors, 13- conveying pipelines, 14- feed hoppers, 15-
Pressure door under pressure door, 16- compression springs, 17- heads air inlet pipe, 18- elevating hoppers, the upper pressure doors of 19-, 20- hoppers, 21-,
The upper springs of 22-, 23- lower springs, 24- pneumatic discharges valve, 25- actuating units, meet bucket, 242- upper valve bodies, 243- on 241-
The upper hush panel of upper cylinder, 244-, 245- bufferings hopper, 246- lower valve bodies, 247- lower cylinders, 248- lower sealing plates.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail.
Embodiment one
As shown in figure 1, a kind of industry by-product gypsum reduction apparatus, the reduction apparatus is applied to industry by-product gypsum restoring method,
Described industry by-product gypsum restoring method is：Anhydrous gypsum and semi-hydrated gypsum are conveyed into the closed roller 3 of reduction apparatus,
Vapor is conveyed into closed roller 3 simultaneously, under 20 ~ 50kPa pressure condition, anhydrous gypsum, semi-hydrated gypsum and water are steamed
Gas mixing and stirring in closed roller 3, half water stone is reduced into using the moisture and vapor of semi-hydrated gypsum by anhydrous gypsum
Cream, the reduction apparatus includes kiln hood 1, kiln tail 2, roller 3, feed arrangement, discharging opening 4, afterbody air inlet pipe 5, actuating unit
25 and support meanss 6, the described support kiln hood 1 of support meanss 6 and kiln tail 2, the driving roller 3 of actuating unit 25 is with respect to kiln hood
1 and kiln tail 2 rotate, be provided with the inwall of roller 3 outside the lifting blade 31 along the length direction screw arrangement of roller 3, described kiln tail 2
Side sets and discharge door 7 is provided with discharging opening 4 and afterbody air inlet pipe 5, described discharging opening 4, the upper end of described discharge door 7 with
The upper end of discharging opening 4 is hinged, and the lower end of discharge door 7 is provided with balancing weight 8, and afterbody air inlet pipe 5 connects steam by steam delivery pump 9
Set on source 10, described kiln hood 1 in feed arrangement, described roller 3 and be provided with humidity sensor 11 and pressure sensor 12,
Described feed arrangement includes being provided with feed hopper 14 on the conveying pipeline 13 connected with the inner chamber of kiln hood 1, the charging aperture of conveying pipeline 13,
The semi-hydrated gypsum outlet and anhydrous gypsum outlet of the described upper end open of feed hopper 14 connection gypsum dryer, described feed hopper
Pressure door 15 is provided with 14 lower ending opening, the side of described pressure door 15 is hinged with feed hopper 14, opposite side and charging
Bucket 14 is connected by compression spring 16.Support meanss 6 are support kiln hood 1 and the support of kiln tail 2.The gas that steam delivery pump 9 is used
Pump motor is variable-frequency motor.Described actuating unit 25 includes gear wheel, motor, decelerator, driving gear, carrying roller and support
Ring, gear wheel are arranged on the excircle of roller 3, and gear wheel is intermeshed with driving gear, and driving gear is connected to decelerator
On output shaft, the input shaft of decelerator connects the output shaft of motor, and two filler rings are provided with the excircle of described roller 3,
Two filler rings are symmetrically distributed in gear wheel both sides, carrying roller support filler ring.
In use, motor and decelerator driving driving gear rotate, driving gear drive roller 3 rotate, anhydrous gypsum from
The anhydrous gypsum outlet discharge of gypsum dryer, semi-hydrated gypsum exports discharge, anhydrous gypsum from the semi-hydrated gypsum of gypsum dryer
And semi-hydrated gypsum enters feed hopper 14, when the weight of the gypsum in feed hopper 14 overcomes the pulling force of compression spring 16, pressure door
15 open, and anhydrous gypsum enters the inner chamber of kiln hood 1 with semi-hydrated gypsum along conveying pipeline 13, travels further into roller 3, in vapour source 10
Vapor pressurizeed through steam delivery pump 9 after enter from afterbody air inlet pipe 5 in roller 3, into the anhydrous gypsum in roller 3 and half
The mixture of water gypsum is transported from kiln hood 1 to kiln tail 2, and vapor is transported in roller 3 from kiln tail 2 into kiln hood 1, mixed gypsum
Meet and merge with vapor, mixed gypsum absorbs the moisture in vapor, anhydrous gypsum is reduced into semi-hydrated gypsum, while half water
In gypsum and anhydrous gypsum mixed process, anhydrous gypsum can be also reduced into semi-hydrated gypsum by the moisture in semi-hydrated gypsum.
In the rolling process of roller 3, the Spiral distribution lifting blade 31 set on the inwall of roller 3 carries mixed gypsum rise,
Reach after a high position under gravity, mixed gypsum falls, be sufficiently mixed with entering the vapor in roller 3, be conducive to moisture
Absorption.The anhydrous gypsum in mixed gypsum is accelerated to be reduced into semi-hydrated gypsum.
When the mixed gypsum in roller 3 rolls transport to 2 position of kiln tail, due to going out under the Action of Gravity Field of balancing weight 8
Material mouth 4 is closed by discharge door 7, and mixed gypsum is constantly accumulated at discharging opening 4, the extruding force of the mixed gypsum at discharging opening 4
More than balancing weight 8 gravity when, mixed gypsum promote discharge door 7 open, mixed gypsum is discharged from discharging opening 4, is now discharged
The most anhydrous gypsum of mixed gypsum has been reduced into semi-hydrated gypsum, and the content of semi-hydrated gypsum is very high.
Pressure sensor 12 and humidity sensor 11, the monitoring rolling in real time of pressure sensor 12 are set in the roller 3 of the present invention
Pressure in cylinder 3, humidity sensor 11 monitors the humidity in roller 3 in real time, when pressure is relatively low in roller 3 or/and in roller 3
When humidity is relatively low, pressure sensor 12 or/and the sending signal of humidity sensor 11, the air pump motor of control steam delivery pump 9 are carried
High rotating speed, accelerates to convey vapor into roller 3, when pressure is higher in roller 3 or/and roller 3 in humidity it is larger when, pressure
Sensor 12 or/and the sending signal of humidity sensor 11, make air pump motor reduce rotating speed, reduce and convey vapor into roller 3.
So as to ensure pressure and humidity in roller 3 all the time in normal rationally scope.
The lower ending opening of feed hopper 14 of the present invention sets pressure door 15, as long as when the weight of the material in feed hopper 14 is more than
During the pulling force of compression spring 16, pressure door 15 can just open charging, and the weight of material fed in laggard hopper 14 is necessarily reduced,
Under the effect of compression spring 16, the rapid closing of pressure door 15 closes the charging aperture of conveying pipeline 13.The kiln tail 2 of the present invention is set
Discharging opening 4 on set discharge door 7, if when the extruding force of mixed gypsum overcomes the gravity of balancing weight 8, the ability of discharging opening 4
Open after discharge, discharge, under the Action of Gravity Field of balancing weight 8, discharge door 7 is re-closed, and discharging opening 4 is closed, pressure door
15 and the setting of discharge door 7, it is ensured that the seal of the inner chamber of roller 3, it is ensured that pressure stability in roller 3.
Embodiment two
As shown in Figure 2 and Figure 3, embodiment one is repeated, there is following difference：Head air inlet pipe 17 is provided with described kiln hood 1,
Head air inlet pipe 17 passes through pipeline communication steam delivery pump 9.Feed arrangement include elevating hopper 18, upper pressure door 19, hopper 20,
Lower pressure door 21 and conveying pipeline 13, the semi-hydrated gypsum of the described upper end open of elevating hopper 18 connection gypsum dryer are exported and anhydrous
Gypsum is exported, and the bottom of elevating hopper 18 is fixedly connected on the top of hopper 20, and the lower ending opening of elevating hopper 18 is located in hopper 20,
And pressure door 19 is provided with the lower ending opening of elevating hopper 18, upper one end of pressure door 19 is hinged with elevating hopper 18, upper pressure door 19
The other end be connected with elevating hopper 18 by upper spring 22, the bottom of described hopper 20 is fixed with the top of conveying pipeline 13 to be connected
Connect, the lower ending opening of hopper 20 is located in conveying pipeline 13, and is provided with lower pressure door 21 on the lower ending opening of hopper 20, under
The side of pressure door 21 is hinged with hopper 20, and the opposite side of lower pressure door 21 is connected with hopper 20 by lower spring 23, described
The pulling force of lower spring 23 be more than the pulling force of upper spring 22, the described other end of conveying pipeline 13 connection kiln hood 1 inner chamber.
Described discharging opening 4, which is arranged on the bottom of kiln tail 2, discharging opening 4, is connected with pneumatic discharge valve 24, pneumatic discharge valve
24 include above connecing bucket 241, upper valve body 242, upper cylinder 243, upper hush panel 244, buffering hopper 245, lower valve body 246, lower cylinder
247 and lower sealing plate 248, the upper end for above connecing bucket 241 is connected with discharging opening 4, and the lower end for above connecing bucket 241 connects upper valve body 242
Import, the import of the outlet connection buffering hopper 245 of upper valve body 242, buffer hopper 245 exports entering for connection lower valve body 246
Mouthful, it is provided with upper valve body 242 on upper cylinder 243, the expansion link of upper cylinder 243 and is provided with hush panel 244, upper hush panel
244 is corresponding with the import of upper valve body 242, is provided with lower cylinder 247, the expansion link of lower cylinder 247 and is provided with lower valve body 246
Lower sealing plate 248, lower sealing plate 248 is corresponding with the import of lower valve body 246.
The present embodiment sets head air inlet pipe 17, the connection steam of head air inlet pipe 17 delivery pump 9, vapour source 10 in kiln hood 1
The vapor of offer conveys vapor into roller 3 simultaneously from kiln hood 1 and kiln tail 2, so that vapor is distributed more in roller 3
Uniformly, advantageously in the mixing of anhydrous gypsum and semi-hydrated gypsum and vapor, anhydrous gypsum is conducive to be reduced into semi-hydrated gypsum.
The feed arrangement of the present embodiment sets extra quality bucket structure, the anhydrous gypsum and semi-hydrated gypsum discharged from gypsum dryer
Elevating hopper 18 is introduced into, is stockpiled in elevating hopper 18, when its weight overcomes the pulling force of upper spring 22, upper pressure door 19 is opened,
Mixed gypsum is fallen into hopper 20, is stockpiled in hopper 20, when the weight in grams of the mixed gypsum in hopper 20 takes bullet
During the pulling force of spring 23, lower pressure door 21 can just be opened, and mixed gypsum is conveyed into roller 3 by conveying pipeline 13.Due to lower spring
23 pulling force is more than the pulling force of upper spring 22, therefore, overcomes needed for the gravity needed for lower spring 23 is more than and overcomes upper spring 22
Gravity, therefore, mixed gypsum has been stockpiled in hopper 20 all the time, using the buffering of hopper 20, the mouth of pipe of conveying pipeline 13 is close
Close.Its obturation effect is better than embodiment one.
The discharging opening 4 of the present embodiment, which is arranged on the bottom of kiln tail 2, discharging opening 4, sets pneumatic discharge valve 24, and this is pneumatic to unload
Material valve 24 is that the gypsum after being reduced in two cylinder arrangement, roller 3 is first stockpiled in upper connect in bucket 241, when needing discharge, in startup
Cylinder 243 and lower cylinder 247, the expansion link retraction of upper cylinder 243, the expansion link of lower cylinder 247 stretches out, so that upper hush panel
244 actions, make to connect bucket 241 and are connected with upper valve body 242 and buffering hopper 245, and the expansion link stretching of lower cylinder 247 makes lower envelope
Oralia 248 is acted, and will buffer the exit seal of hopper 245, and the material of discharge connects bucket 241 from above and enters buffering material through upper valve body 242
Bucket 245 is kept in.Then upper cylinder 243 and lower cylinder 247 are again started up, stretches out the expansion link of upper cylinder 243, upper hush panel
244 seal the lower port of top connection, the expansion link retraction of lower cylinder 247, and lower sealing plate 248 is opened, so as to open lower valve body
246 outlet, is temporarily stored in outlet discharge of the material in buffering hopper 245 through lower valve body 246.So move in circles, upper cylinder
243 and lower cylinder 247 it is alternately flexible, remain the discharging seal of tube, its obturation effect is better than embodiment one.
It is noted that above-described embodiment is to the illustrative and not limiting of technical solution of the present invention, art is general
The equivalent of logical technical staff or the other modifications made according to prior art, as long as not exceeding technical solution of the present invention
Thinking and scope, should be included within interest field of the presently claimed invention.
Claims (7)
1. a kind of industry by-product gypsum reduction apparatus, it is characterised in that：The reduction apparatus is applied to industry by-product gypsum reduction side
Method, described industry by-product gypsum restoring method is：Anhydrous gypsum and semi-hydrated gypsum are conveyed into the closed roller into reduction apparatus
It is interior, while vapor is conveyed into closed roller, under 20 ~ 50kPa pressure condition, by anhydrous gypsum, semi-hydrated gypsum and water
Steam mixing and stirring in closed roller, half water stone is reduced into using the moisture and vapor of semi-hydrated gypsum by anhydrous gypsum
Cream, described reduction apparatus includes kiln hood（1）, kiln tail（2）, roller（3）, feed arrangement, discharging opening（4）, afterbody air inlet pipe
（5）, actuating unit（25）And support meanss（6）, described support meanss（6）Support kiln hood（1）And kiln tail（2）, power
Transmission device（25）Drive roller（3）With respect to kiln hood（1）And kiln tail（2）Rotate, described kiln tail（2）Outside sets discharging opening
（4）And afterbody air inlet pipe（5）, described discharging opening（4）On be provided with discharge door（7）, described discharge door（7）Upper end with going out
Material mouth（4）Upper end is hinged, discharge door（7）Lower end be provided with balancing weight（8）, afterbody air inlet pipe（5）Pass through steam delivery pump（9）
Connect vapour source（10）, described kiln hood（1）Upper setting feed arrangement, described roller（3）Inside it is provided with humidity sensor
（11）And pressure sensor（12）, described feed arrangement includes and kiln hood（1）The conveying pipeline of inner chamber connection（13）, conveying pipeline
（13）Charging aperture on be provided with feed hopper（14）, described feed hopper（14）Upper end open connects half water stone of gypsum dryer
Cream is exported and anhydrous gypsum outlet, described feed hopper（14）Lower ending opening on be provided with pressure door（15）, described pressure
Door（15）Side and feed hopper（14）It is hinged, opposite side and feed hopper（14）Pass through compression spring（16）Connection.
2. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described kiln hood（1）It is upper to set
There is head air inlet pipe（17）, head air inlet pipe（17）Pass through pipeline communication steam delivery pump（9）.
3. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described feed arrangement includes upper
Hopper（18）, upper pressure door（19）, hopper（20）, lower pressure door（21）And conveying pipeline（13）, described elevating hopper（18）On
The semi-hydrated gypsum outlet and anhydrous gypsum outlet of end opening connection gypsum dryer, elevating hopper（18）Bottom is fixedly connected on blanking
Bucket（20）Top, elevating hopper（18）Lower ending opening is located at hopper（20）It is interior, and elevating hopper（18）It is provided with lower ending opening
Upper pressure door（19）, upper pressure door（19）One end and elevating hopper（18）It is hinged, upper pressure door（19）The other end and elevating hopper
（18）Pass through upper spring（22）Connection, described hopper（20）Bottom and conveying pipeline（13）Top be fixedly connected, blanking
Bucket（20）Lower ending opening be located at conveying pipeline（13）It is interior, and hopper（20）Lower ending opening on be provided with lower pressure door（21）,
Lower pressure door（21）Side and hopper（20）It is hinged, lower pressure door（21）Opposite side and hopper（20）Pass through lower spring
（23）Connection, described conveying pipeline（13）The other end connects kiln hood（1）Inner chamber, lower spring（23）Pulling force be more than upper spring（22）
Pulling force.
4. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described discharging opening（4）Set
In kiln tail（2）Bottom, discharging opening（4）On be connected with pneumatic discharge valve（24）, described pneumatic discharge valve（24）Including above connecing
Bucket（241）, upper valve body（242）, upper cylinder（243）, upper hush panel（244）, buffering hopper（245）, lower valve body（246）, lower gas
Cylinder（247）And lower sealing plate（248）, above connect bucket（241）Upper end and discharging opening（4）Connection, above connects bucket（241）Lower end connection
Upper valve body（242）Import, upper valve body（242）Outlet connection buffering hopper（245）Import, buffer hopper（245）Go out
Mouth connection lower valve body（246）Import, upper valve body（242）Inside it is provided with upper cylinder（243）, upper cylinder（243）Expansion link on
It is provided with hush panel（244）, upper hush panel（244）With upper valve body（242）Import correspondence, lower valve body（246）Inside it is provided with
Lower cylinder（247）, lower cylinder（247）Expansion link on be provided with lower sealing plate（248）, lower sealing plate（248）With lower valve body
（246）Import correspondence.
5. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described steam delivery pump（9）
The air pump motor used is variable-frequency motor.
6. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described actuating unit
（25）Roller is arranged on including gear wheel, motor, decelerator, driving gear, carrying roller and filler ring, gear wheel（3）On excircle, greatly
Gear is intermeshed with driving gear, and driving gear is connected on the output shaft of decelerator, the input shaft connection motor of decelerator
Output shaft, described roller（3）Excircle on be provided with multiple filler rings, multiple filler rings are symmetrically distributed in gear wheel both sides,
Carrying roller supports filler ring.
7. industry by-product gypsum reduction apparatus according to claim 1, it is characterised in that：Described roller（3）On inwall
It is provided with along roller（3）The lifting blade of length direction screw arrangement（31）.
Priority Applications (1)
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| CN107902932A (en) * | 2017-11-21 | 2018-04-13 | 郑州三迪建筑科技有限公司 | A kind of ardealite calciner plant |
| CN108383404A (en) * | 2018-05-09 | 2018-08-10 | 李冰霜 | A kind of drying retracting device of desulfurated plaster |
| CN108435536A (en) * | 2018-03-07 | 2018-08-24 | 王琳 | A kind of vibration-type tea screening device |
| CN109095796A (en) * | 2018-10-30 | 2018-12-28 | 郑州三迪建筑科技有限公司 | A kind of production method of building gypsum |
| WO2019100200A1 (en) * | 2017-11-21 | 2019-05-31 | 郑州三迪建筑科技有限公司 | Phosphogypsum calcining device |
| CN112408824A (en) * | 2020-11-24 | 2021-02-26 | 福建省万豪石膏工业有限公司 | Method for preparing high-strength gypsum powder by using waste gypsum |
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| CN112408824A (en) * | 2020-11-24 | 2021-02-26 | 福建省万豪石膏工业有限公司 | Method for preparing high-strength gypsum powder by using waste gypsum |
| CN113000723A (en) * | 2021-02-07 | 2021-06-22 | 苏州中车建设工程有限公司 | Adjustable reinforcing bar automatic separation stacks platform |
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