CN211920888U - Device for producing calcium oxide by using gypsum - Google Patents

Abstract

The utility model relates to a device for producing calcium oxide by using gypsum, which comprises a shell, a calcining shell, a fixed ring, annular grooves, rollers, a gear ring, a gas storage tank, a gear and a motor, wherein a feed inlet can be opened at the top end of the shell, a plurality of annular grooves are equidistantly formed on the outer wall of the calcining shell, a plurality of annular grooves are equidistantly formed on the inner wall of the shell, the annular grooves outside the calcining shell correspond to the annular grooves on the inner wall of the shell, and a plurality of rollers are equidistantly arranged between the annular grooves outside the calcining shell and the annular grooves on the inner wall of the shell; through the straight shape gas-supply pipe of a plurality of and spout the burner, can carry out all-round calcination and the material is heated evenly to the gesso, wherein calcine the casing simultaneously and rotate and produce centrifugal force, so under the effect of centrifugal force, the gesso is done centrifugal motion in calcining the casing and is fully heated with the misce bene and take place decomposition reaction, and secondary impurity is not introduced to whole process, and the purity of calcium oxide is higher.

Description

Device for producing calcium oxide by using gypsum

Technical Field

The utility model relates to a calcium oxide production facility technical field specifically is an utilize device of gypsum production calcium oxide.

Background

The calcium oxide is widely applied to the manufacture of calcium carbide, soda ash, bleaching powder, refractory materials and calcium fertilizers and is used as a drying agent and a soil conditioner; fluxing agent used as analysis reagent and for producing fluorescent powder; the method is used for leather making and wastewater purification; used as building materials and metallurgical fluxing agents; is the main raw material for preparing the calcium hydroxide and various calcium compounds;

the traditional calcium oxide production method mainly uses limestone as raw material, adopts a shaft kiln as calcination process, mixes the limestone with solid fuel or loads the mixture into the kiln in layers for calcination, and finally the rest is calcium oxide product. The production method needs large equipment volume, is easy to introduce secondary impurities, and the produced calcium oxide has low purity, can not meet the actual requirement far away and has large environmental pollution;

in view of the above, the present application now proposes an apparatus for producing calcium oxide using gypsum to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an utilize device of gypsum production calcium oxide to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an utilize device of gypsum production calcium oxide, includes the shell, calcines casing, retainer plate, annular groove, roller, ring gear, gas holder, gear and motor, the feed inlet can be seted up on the top of shell, a plurality of annular groove has been seted up to the outer wall equidistance of calcining the casing, a plurality of annular groove has also been seted up to the inner wall of shell equidistance, is located calcine the annular groove of the outer annular groove of casing and shell inner wall and correspond to each other, and is located the equidistance is provided with a plurality of roller between the annular groove of the outer annular groove of calcining the casing and shell inner wall, it rotates with the roller to connect in the shell through annular groove, ring gear fixed welding is in the annular side of calcining the casing, motor fixed connection is in the outer wall of shell, just the output shaft fixedly connected with gear of motor, just gear and ring gear, retainer plate fixed connection is close to the position on top in the inside of shell, the straight shape gas-supply pipe of the even fixedly connected with a plurality of in bottom of retainer plate, straight shape gas-supply pipe is located calcines the casing, and every a plurality of flame projecting nozzle has been seted up to impartial distance on the straight shape gas-supply pipe, the delivery outlet of gas holder passes through gas hose and every straight shape gas-supply pipe connection, the bottom axle center department of calcining the casing has seted up row material pipe, the bottom axle center department of shell has seted up the discharging pipe, just it rotates to connect in the discharging pipe to arrange the material pipe.

Preferably, the reaction kettle further comprises a reaction kettle, a vacuum air pump and an air suction pipe, wherein a sodium hydroxide solution is stored in the reaction kettle, the input end of the vacuum air pump is connected into the shell through the air suction pipe, and the output end of the vacuum air pump is connected into the sodium hydroxide solution in the reaction kettle through the air suction pipe.

Preferably, the top end of the reaction kettle is provided with an air outlet.

Preferably, a filter screen is fixedly connected in the feeding port.

Preferably, the shell and the calcining shell are both made of high-temperature-resistant metal alloy.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the shell, calcine the casing, the retainer plate, the annular groove, the roller, the ring gear, the gas holder, gear and motor mutually support, through the straight gas-supply pipe of a plurality of and bocca, can carry out all-round calcination and the material is heated evenly to the gesso, the gesso decomposes burning, generate calcium oxide, sulfur dioxide and oxygen, wherein calcine the casing simultaneously and rotate and produce centrifugal force, so under the effect of centrifugal force, the gesso does centrifugal motion and takes place the decomposition reaction with misce bene and fully being heated in calcining the casing, secondary impurity is not introduced to whole process, the purity of calcium oxide is higher.

Drawings

FIG. 1 is a schematic view of the sectional structure of the shell, the calcining shell and the reaction kettle;

FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the fixing ring of the present invention;

fig. 4 is a schematic view of the top view structure of the middle ring gear of the present invention.

Reference numerals: 1. a housing; 2. calcining the shell; 3. a feed inlet; 4. a stationary ring; 5. a gas storage tank; 6. a gas hose; 7. a straight gas delivery pipe; 8. a flame nozzle; 9. a discharge pipe; 10. a discharge pipe; 11. a vacuum pump; 12. an air intake duct; 13. a reaction kettle; 14. a sodium hydroxide solution; 15. an air outlet; 16. a motor; 17. a gear; 18. a ring gear; 19. filtering with a screen; 20. an annular groove; 21. a roller.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an utilize device of gypsum production calcium oxide, includes shell 1, calcines casing 2, retainer plate 4, annular groove 20, roller 21, ring gear 18, gas holder 5, gear 17 and motor 16, the feed inlet 3 can be seted up on the top of shell 1, a plurality of annular groove 20 has been seted up to the outer wall equidistance of calcining casing 2, a plurality of annular groove 20 has also been seted up to the inner wall of shell 1 equidistance, is located calcine the outer annular groove 20 of casing 2 and the annular groove 20 of shell 1 inner wall and correspond to each other, and is located equal equidistance is provided with a plurality of roller 21 between the annular groove 20 of calcining casing 2 outer annular groove 20 and shell 1 inner wall, calcine casing 2 and rotate through annular groove 20 and roller 21 and be connected in shell 1, ring gear 18 fixed welding is in the annular side of calcining casing 2, motor 16 fixed connection is in the outer wall of shell 1, the output shaft of the motor 16 is fixedly connected with a gear 17, the gear 17 is meshed with a gear ring 18, the output shaft of the motor 16 rotates to drive the gear 17 to rotate, and the gear 17 is meshed with the gear ring 18 to drive the calcining shell 2 to rotate in the shell 1, so that gypsum centrifugally moves in the calcining shell 2 under the action of centrifugal force to be uniformly mixed and subjected to decomposition reaction; the calcining shell comprises a shell 1, a fixed ring 4, a plurality of straight gas transmission pipes 7, a calcining shell 2, a plurality of flame spray nozzles 8, a gas storage tank 5, a discharging pipe 9, a discharging pipe 10 and a discharging pipe 10, wherein the fixed ring 4 is fixedly connected to the position, close to the top end, in the shell 1, the bottom end of the fixed ring 4 is uniformly and fixedly connected with the plurality of straight gas transmission pipes 7, the straight gas transmission pipes 7 are positioned in the calcining shell 2, the plurality of flame spray nozzles 8 are arranged on each straight gas transmission pipe 7 at equal intervals, the output port of the gas storage tank 5 is connected with each straight gas transmission pipe 7 through a gas transmission hose 6, the shaft center of the bottom;

wherein, the main chemical component of the gypsum is calcium sulfate, and the calcium sulfate is calcined at high temperature to produce calcium oxide, sulfur dioxide and oxygen;

butane or acetylene gas is stored in the gas storage tank 5, and can be sprayed out from the flame spray nozzle 8 by opening a valve of the gas storage tank 5 to ignite and burn;

wherein, the straight gas transmission pipe 7 is made of high temperature resistant metal alloy;

the gypsum powder calcining treatment device is characterized by further comprising a reaction kettle 13, a vacuum air pump 11 and an air suction pipe 12, wherein a sodium hydroxide solution 14 is stored in the reaction kettle 13, the input end of the vacuum air pump 11 is connected into the shell 1 through the air suction pipe 12, the output end of the vacuum air pump 11 is connected into the sodium hydroxide solution 14 inside the reaction kettle 13 through the air suction pipe 12, sulfur dioxide and oxygen generated by calcining gypsum powder are conveyed into the sodium hydroxide solution 14 inside the reaction kettle 13 under the action of the vacuum air pump 11, the sodium hydroxide solution 14 reacts with the sulfur dioxide for absorption, and other gases are discharged from an air outlet 15;

the top end of the reaction kettle 13 is provided with an air outlet 15;

a filter screen 19 is fixedly connected in the feed port 3, and gypsum powder is uniformly scattered into the calcining shell 2 through the filter screen 19;

the shell 1 and the calcining shell 2 are both made of high-temperature resistant metal alloy;

the working principle is as follows: when the device is used, gypsum powder is added into the calcining shell 2 through the feed inlet 3, the gypsum powder is prevented from falling into the calcining shell 2 in a pile through the filter screen 19, the gypsum powder is uniformly scattered into the calcining shell 2 under the action of the filter screen 19, so that the gypsum powder can be calcined to the maximum extent, the motor 16 is started at the same time, the output shaft of the motor 16 drives the gear 17 to rotate, the gear 17 drives the gear ring 18 to rotate, the gear ring 18 drives the calcining shell 2 to rotate, the calcining shell 2 rotates in the annular groove 20 through the roller 21, the calcining shell 2 rotates to generate centrifugal force, so that under the action of the centrifugal force, the gypsum powder performs centrifugal motion in the calcining shell 2 to be uniformly mixed and subjected to decomposition reaction, the valve on the gas storage tank 5 is opened, butane or acetylene in the gas storage tank 5 is sprayed out of the flame spray nozzle 8 and then ignited to be combusted through the plurality of straight, the gypsum powder can be comprehensively calcined, and is decomposed during calcination to generate calcium oxide, sulfur dioxide and oxygen; the calcium oxide is discharged through a discharge pipe 9 and a discharge pipe 10 at the bottom of the calcining shell 2; gaseous mixture such as sulfur dioxide and oxygen is under vacuum aspiration pump 11's weight effect, pass into gaseous mixture such as sulfur dioxide and oxygen in sodium hydroxide solution 14 in reation kettle 13, exhaust gaseous mixture contains sulfur dioxide, sulfur trioxide, carbon dioxide, oxygen, vapor, unburned butane or acetylene, in reation kettle 13, sulfur dioxide, sulfur trioxide, carbon dioxide, vapor all is absorbed by sodium hydroxide solution 14, other gas through gas outlet 15 discharge can, to sum up, this equipment heating effect is good, the material reaction is more abundant, secondary impurity is not introduced to whole process, waste gas is almost absorbed completely, can not cause environmental pollution.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The device for producing calcium oxide by using gypsum is characterized in that: comprises a shell (1), a calcining shell (2), a fixing ring (4), an annular groove (20), rollers (21), a gear ring (18), a gas storage tank (5), a gear (17) and a motor (16), wherein a feed inlet (3) can be opened on the top end of the shell (1), a plurality of annular grooves (20) are opened on the outer wall of the calcining shell (2) at equal intervals, a plurality of annular grooves (20) are opened on the inner wall of the shell (1) at equal intervals, the annular grooves (20) outside the calcining shell (2) correspond to the annular grooves (20) on the inner wall of the shell (1) mutually, a plurality of rollers (21) are arranged between the annular grooves (20) outside the calcining shell (2) and the annular grooves (20) on the inner wall of the shell (1) at equal intervals, the calcining shell (2) is connected in the shell (1) through the annular grooves (20) and the rollers (21) in a rotating way, the utility model discloses a calcining machine for the gas storage tank, including shell (1), ring gear (18), motor (16), retainer plate (4), output shaft fixedly connected with gear (17) of motor (16), just gear (17) and ring gear (18) intermeshing, retainer plate (4) fixed connection is in the inside position that is close to the top of shell (1), the even fixedly connected with a plurality of straight gas-supply pipe (7) in bottom of retainer plate (4), straight gas-supply pipe (7) are located and calcine shell (2), and every a plurality of flame projecting nozzle (8) have been seted up to impartial distance on straight gas-supply pipe (7), the delivery outlet of gas holder (5) is passed through gas hose (6) and is connected with every straight gas-supply pipe (7), row's material pipe (9) have been seted up to the bottom axle center department of calcining shell (2), discharging pipe (10) have been seted up to the bottom axle center department of shell (1), just it connects in discharging pipe (10) to arrange material pipe (9) rotation.

2. The apparatus for producing calcium oxide using gypsum according to claim 1, wherein: still include reation kettle (13), vacuum air pump (11) and breathing pipe (12), the sodium hydroxide solution (14) are stored in reation kettle (13), the input of vacuum air pump (11) passes through breathing pipe (12) and connects in shell (1), the output of vacuum air pump (11) passes through breathing pipe (12) and connects in reation kettle (13) inside sodium hydroxide solution (14).

3. The apparatus for producing calcium oxide using gypsum according to claim 2, wherein: and the top end of the reaction kettle (13) is provided with an air outlet (15).

4. The apparatus for producing calcium oxide using gypsum according to claim 1, wherein: the feed inlet (3) is internally and fixedly connected with a filter screen (19).

5. The apparatus for producing calcium oxide using gypsum according to claim 1, wherein: the shell (1) and the calcining shell (2) are both made of high-temperature-resistant metal alloy.

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