CN215026055U

CN215026055U - Spray drying tower is used in ceramic tile production

Info

Publication number: CN215026055U
Application number: CN202121316040.9U
Authority: CN
Inventors: 张挺松
Original assignee: Shaanxi Huada Ceramics Co ltd
Current assignee: Shaanxi Huada Ceramics Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-07
Anticipated expiration: 2031-06-10

Abstract

The application relates to a spray drying tower for ceramic tile production, which comprises a tower body, a cyclone generator arranged on the tower body, an air supply assembly, a feeding assembly and a temperature control assembly, wherein the tower body comprises an outer tower and an inner tower, the outer tower is sleeved on the inner tower and is sealed to form a constant temperature cavity; the temperature control assembly comprises an air inlet pipe, one end of the air inlet pipe is arranged on the outer tower and is communicated with the constant temperature cavity, the other end of the air inlet pipe is communicated with the air supply assembly, and a plurality of air blowing holes facing the inside of the tower are formed in the inner tower; the gas supply assembly is used for providing high-temperature gas for the gas inlet pipe and the tower, and the feeding assembly is arranged on the tower body and used for spraying raw materials into the tower. The method and the device can reduce the phenomenon that the slurry is adhered to the tower wall.

Description

Spray drying tower is used in ceramic tile production

Technical Field

The application relates to the technical field of ceramic tile production, in particular to a spray drying tower for ceramic tile production.

Background

The spray drying tower is used for drying in the fields of biological pesticide, medicine, food microorganism and the like, is generally used in the production process of building ceramics and is used for preparing ceramic powder particles, slurry is sprayed into the spray drying tower in a solution state to form spray, the slurry is in parallel flow contact with high-temperature air in the spray drying tower and is dried and dehydrated into solid powder in a very short time, and finally, dried spherical ceramic powder particles are obtained and finally discharged.

The application number 201921135101.4 Chinese patent discloses a spray drying tower for ceramic tile production, which comprises a tower body, a guniting assembly, a hot air inlet and a drying chamber, wherein a funnel-shaped inner barrel is fixedly arranged in an inner cavity of the tower body, the inner barrel is arranged right below the drying chamber, the outer diameter of the inner barrel is smaller than the inner diameter of the drying chamber, the inner barrel is provided with an inner cavity which is a dust removal chamber, a space defined by the outer wall of the inner barrel and the conical inner wall of the lower part of the tower body is set as a discharge passage, the bottom of the inner barrel is provided with an opening and communicated with a recovery pipe, and the recovery pipe penetrates through a closed valve and is communicated with an external cyclone dust removal device; a cyclone generator is fixedly arranged at the top of the tower body;

during the use, solution passes through atomizing spray gun atomizing and gets into the drying chamber, and the in-process that falls on the inner tube at the drying chamber is accomplished the dehydration, later through the cyclone generator with solid material get rid of to the drying chamber edge to in falling into the discharge way along the drying chamber edge, impurity and the thinner material of part granule then can subside to the clean room in, by the suction of dust removal pipe, accomplish the drying of material.

In the preparation process of the ceramic tile, slurry is mixed, stirred and ground by a binder and the slurry according to a certain mass ratio, and then the mixture is dried in a spray drying tower, so that slurry solution is easily adhered to the wall of the tower, the conversion rate of finished products is reduced, and subsequent pollution of the finished products is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce the phenomenon that mud adheres to the tower wall, this application provides a spray drying tower for ceramic tile production.

The application provides a spray drying tower for ceramic tile production adopts following technical scheme:

a spray drying tower for ceramic tile production comprises a tower body, a cyclone generator arranged on the tower body, an air supply assembly, a feeding assembly and a temperature control assembly, wherein the tower body comprises an outer tower and an inner tower, the outer tower is sleeved on the inner tower and is sealed to form a constant temperature cavity; the temperature control assembly comprises an air inlet pipe, one end of the air inlet pipe is arranged on the outer tower and is communicated with the constant temperature cavity, the other end of the air inlet pipe is communicated with the air supply assembly, and a plurality of air blowing holes facing the inside of the tower are formed in the inner tower; the gas supply assembly is used for providing high-temperature gas in the gas inlet pipe and the tower, and the feeding assembly is arranged on the tower body and used for spraying raw materials into the tower.

By adopting the technical scheme, when the slurry is dried, the gas supply assembly continuously introduces high-temperature gas into the inner cavity of the tower body, and the cyclone generator is opened at the same time, so that the high-temperature gas in the tower rotates along with the gas, the slurry solution enters the tower through the feeding assembly and moves along with the gas, the slurry solution keeps a state far away from the inner wall of the inner tower under the action of centrifugal force and gas flow of the gas blowing holes, and is quickly dehydrated and dried under the high-temperature gas to form solid powder, and the drying of the slurry is completed; the intake pipe that sets up can make high-temperature gas blow in the tower body inner chamber along the hole of blowing, slows down and the separation to the mud that is close to the tower body inner wall, and the tower body that sets up through cavity is convenient for insulate against heat, reduces the heat and runs off, under the effect of cyclone generator and the hole of blowing, the time that the extension mud descends, and the high-temperature air of being convenient for reduces the condition of mud adhesion on the tower wall to the dehydration and the drying of mud.

Optionally, the temperature control assembly further comprises a plurality of heating pipes, and the heating pipes are provided with a plurality of groups and are uniformly distributed in the constant temperature cavity.

Through adopting above-mentioned technical scheme, the heating pipe that sets up can heat the gas in the tower body, supplements the heat that runs off in the tower for gas temperature in the tower body remains stable, is convenient for carry out abundant drying to mud, improves the effect of drying tower, reduces the situation of mud adhesion on the tower wall.

Optionally, the cyclone generator is arranged on the top wall of the tower body, the air blowing holes are horizontally and obliquely arranged, and the oblique direction of the air blowing holes is parallel to the tangential direction of the rotation of the cyclone generator.

Through adopting above-mentioned technical scheme, the air current direction cooperation that the gas hole and whirlwind generator made will think the mud of tower wall motion once more and send into rotatory air current, and two kinds of air currents are mutually supported, and the energy can be saved improves the time of mud motion in high temperature gas, is convenient for carry out abundant drying to mud.

Optionally, the inner tower is made of heat conducting material, and the outer tower is made of heat insulating material.

Through adopting above-mentioned technical scheme, the heating pipe sets up between interior tower and outer tower, and outer tower can insulate against heat, reduces the heat loss, reduces the potential safety hazard, and interior tower heat conduction improves heat transfer coefficient, reduces the loss.

Optionally, the feeding subassembly includes the edge inlet pipe, high-pressure squirt and the atomizer that tower body circumference distributes, inlet pipe one end be used for with the raw materials intercommunication, the other end passes the tower body stretches into in the tower, high-pressure squirt and atomizer connect gradually the inlet pipe and stretch into one end in the tower.

Through adopting above-mentioned technical scheme, inlet pipe, high-pressure squirt and atomizer of setting can be under the effect of high-pressure squirt with mud with certain initial velocity jet into the tower in, disperse mud through atomizer, increase and high-temperature air's area of contact, the rapid draing of the mud of being convenient for.

Optionally, the high-pressure water gun is arranged obliquely, that is, one end of the high-pressure water gun extending into the tower is higher than the other end of the high-pressure water gun.

By adopting the technical scheme, the slurry rises under the action of inertia after being sprayed into the tower and falls under the action of gravity, so that the contact time of the slurry and high-temperature air is prolonged, and the slurry is convenient to be fully dried.

Optionally, the air supply assembly comprises an air source, an air filter, a heating box and an air supply pipe which are sequentially communicated, wherein one end of the air supply pipe, which is far away from the heating box, is respectively communicated with the air inlet pipe and the air inlet end of the cyclone generator.

Through adopting above-mentioned technical scheme, air supply, air cleaner, heating cabinet and the air supply pipe that sets up filter and heat the air that leads to in the tower, reduce the impurity that gets into the air in the tower, improve the purity of mud solid, and then improve the quality of ceramic tile.

Optionally, the tower body still includes the bank of screens, the bank of screens sets up along circumference on the lateral wall of outer tower one side is kept away from to interior tower, just the bank of screens sets up feeding subassembly below.

Through adopting above-mentioned technical scheme, the bank of screens of setting can be sieved the finished product of certain particle diameter, and the mud solid of impurity and less particle diameter falls the bank of screens to independently collect, through more even finished product as the raw materials, improve raw materials purity, and then improve the ceramic tile quality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air inlet pipe is arranged, so that high-temperature air can be blown into the inner cavity of the tower body along the air blowing holes to decelerate and obstruct slurry close to the inner wall of the tower body, the hollow tower body is convenient to insulate heat and reduce heat loss, the slurry descending time is prolonged under the action of the cyclone generator and the air blowing holes, the dehydration and drying of the slurry by the high-temperature air are convenient, and the condition that the slurry is adhered to the tower wall is reduced;

2. the arranged heating pipe can heat the gas in the tower body and supplement the heat lost in the tower, so that the temperature of the gas in the tower body is kept stable, the slurry is conveniently and fully dried, the effect of the drying tower is improved, and the condition that the slurry is adhered to the tower wall is reduced;

3. the inlet pipe, high-pressure squirt and the atomizer of setting can be under the effect of high-pressure squirt with mud with certain initial velocity spray advance the tower in, through the atomizer with mud dispersion, increase and high temperature air's area of contact, the time of extension mud and high temperature air contact, the rapid draing of the abundant drying of the mud of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of a spray drying tower for tile production according to an embodiment of the present application.

Fig. 2 is a schematic view of the interior of the tower body of fig. 1.

Description of reference numerals: 1. a support; 2. a tower body; 21. a discharge pipe; 22. an outer tower; 23. an inner tower; 24. a screen frame; 25. a material guide pipe; 26. a constant temperature cavity; 3. a cyclone generator; 4. a gas supply assembly; 41. a gas source; 42. an air filter; 43. a heating box; 44. a gas supply pipe; 5. a feed assembly; 51. a feed pipe; 52. a high pressure water gun; 53. an atomizing spray head; 6. a temperature control assembly; 61. an air inlet pipe; 62. heating a tube; 63. a gas blowing hole; 7. and a collection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses spray drying tower is used in ceramic tile production. Referring to fig. 1, the spray drying tower for ceramic tile production comprises a support 1, a tower body 2, a cyclone generator 3, an air supply assembly 4, a feeding assembly 5 and a temperature control assembly 6, wherein the support 1 is fixed on the ground through foundation bolts, the whole tower body 2 is arranged in an inverted cone shape and is welded on the support 1 in a hanging manner, a discharge pipe 21 is arranged on the bottom wall of the tower body 2 and the tower body in an integrated manner, and one end, away from the tower body 2, of the discharge pipe 21 is communicated with a collection box 7; 3 fixed mounting of cyclone generator in 2 roof of tower body, feeding subassembly 5 sets up on tower body 2, and accuse temperature subassembly 6 sets up on tower body 2 around tower body 2, and air feed subassembly 4 communicates with 2 inner chambers of tower body.

Referring to fig. 2, the tower body 2 comprises an outer tower 22, an inner tower 23, a sieve frame 24 and a material guide pipe 25, wherein the outer tower 22 is sleeved on the inner tower 23 and sealed with the inner tower 23 to form a constant temperature cavity 26; the inner tower 23 is made of heat conducting material, and the outer tower 22 is made of heat insulating material. The sieve frame 24 is welded on the inner wall of the inner tower 23 close to the inside of the tower along the circumferential direction, and the sieve frame 24 is arranged close to the storage pipe; the sieve frame 24 sets up to the back taper, and baffle 25 one end is coaxial to be passed the sieve frame 24 to the welding is on sieve frame 24, and baffle 25 roof keeps level with sieve frame 24 roof, and the baffle 25 other end sets up with the discharging pipe 21 is coaxial. The collecting box 7 comprises two groups and is respectively communicated with the material guiding pipe 25 and the material discharging pipe 21.

Referring to fig. 2, the temperature control assembly 6 comprises an air inlet pipe 61 and a plurality of heating pipes 62, one end of the air inlet pipe 61 penetrates through the outer tower 22 to be welded with the outer tower 22 and is communicated with the thermostatic chamber 26, the other end of the air inlet pipe is communicated with the air supply assembly 4, and a plurality of air blowing holes 63 facing the inside of the tower are formed in the inner tower 23; the air blowing holes 63 are horizontally and obliquely arranged, and the oblique direction of the air blowing holes 63 is parallel to the tangential direction of the rotation direction of the cyclone generator 3. The heating pipes 62 are arranged in groups and are uniformly installed and fixed in the thermostatic chamber 26.

Referring to fig. 1, the air supply assembly 4 includes an air source 41, an air filter 42, a heating box 43 and an air supply pipe 44 which are sequentially communicated, one end of the air supply pipe 44, which is far away from the heating box 43, coaxially extends into the top wall of the tower body 2 and is communicated with the air inlet end of the cyclone generator 3, and an air inlet pipe 61 is in flange communication with the air supply pipe 44.

Referring to fig. 2, feeding subassembly 5 includes along 2 circumference distribution's of tower body inlet pipe 51, high-pressure squirt 52 and atomizer 53, inlet pipe 51 sets up in the 24 tops of bank of screens, inlet pipe 51 one end is used for communicating with the raw materials, the other end welding is on tower body 2, and pass tower body 2 and stretch into in the tower, high-pressure squirt 52 threaded connection stretches into tower one end at inlet pipe 51, high-pressure squirt 52 slope sets up, high-pressure squirt 52 stretches into tower one end is higher than the other end promptly, atomizer 53 threaded connection is kept away from inlet pipe 51 one end at high-pressure squirt 52.

The implementation principle of a spray drying tower for ceramic tile production in the embodiment of the application is as follows: when the slurry is dried, the gas source 41 compresses the gas to enter the air filter 42 for filtering, and then enters the heating box 43 for heating to form high-temperature air, the high-temperature air enters the air inlet end of the cyclone generator 3 along the air supply pipe 44, and the cyclone generator 3 is opened at the same time, so that the high-temperature gas in the tower rotates along with the gas. High temperature air enters the thermostatic chamber 26 along the air inlet pipe 61 and enters the tower along the air blowing holes 63, and the heating pipe 62 is started. The slurry solution enters the tower through the feeding pipe 51 and the high-pressure water gun 52 and is sprayed out by the atomizing spray nozzle 53, moves along with the air flow, and keeps a state of being far away from the inner wall of the inner tower 23 under the action of centrifugal force and the air flow of the air blowing hole 63, and is quickly dehydrated and dried under high-temperature gas to form solid powder and fall down until the solid powder falls on the sieve frame 24, the finished product with certain particle size is remained on the sieve frame 24 and falls down to the collecting box 7 along the material guiding pipe 25 for collection, impurities and slurry solids with smaller particle size fall down the sieve frame 24 and fall down to the other collecting box 7 along the material discharging pipe 21 for independent collection, and the drying of the slurry is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a spray drying tower is used in ceramic tile production, includes tower body (2) and sets up whirlwind generator (3) on tower body (2), its characterized in that: the device is characterized by also comprising an air supply assembly (4), a feeding assembly (5) and a temperature control assembly (6), wherein the tower body (2) comprises an outer tower (22) and an inner tower (23), the outer tower (22) is sleeved on the inner tower (23) and is sealed to form a constant temperature cavity (26); the temperature control assembly (6) comprises an air inlet pipe (61), one end of the air inlet pipe (61) is arranged on the outer tower (22) and communicated with the constant temperature cavity (26), the other end of the air inlet pipe is communicated with the air supply assembly (4), and a plurality of air blowing holes (63) facing the inside of the tower are formed in the inner tower (23); air feed subassembly (4) are used for doing in intake pipe (61) and the tower provide high temperature gas, feeding subassembly (5) set up on tower body (2) to be used for spraying the raw materials in to the tower.

2. The spray drying tower for tile production according to claim 1, wherein: the temperature control assembly (6) further comprises a plurality of heating pipes (62), and the heating pipes (62) are provided with a plurality of groups and are uniformly distributed in the constant temperature cavity (26).

3. The spray drying tower for tile production according to claim 1, wherein: the cyclone generator (3) is arranged on the top wall of the tower body (2), the air blowing holes (63) are horizontally and obliquely arranged, and the oblique direction of the air blowing holes (63) is parallel to the direction of the rotating tangent of the cyclone generator (3).

4. The spray drying tower for tile production according to claim 1, wherein: the inner tower (23) is made of heat conducting materials, and the outer tower (22) is made of heat insulating materials.

5. The spray drying tower for tile production according to claim 1, wherein: feed subassembly (5) include the edge inlet pipe (51), high-pressure squirt (52) and atomizer (53) that tower body (2) circumference distributes, inlet pipe (51) one end be used for with the raw materials intercommunication, the other end passes in tower body (2) and stretch into the tower, high-pressure squirt (52) and atomizer (53) are connected gradually and are stretched into tower one end in inlet pipe (51).

6. The spray drying tower for tile production according to claim 5, wherein: the high-pressure water gun (52) is obliquely arranged, namely, one end of the high-pressure water gun (52) extending into the tower is higher than the other end of the high-pressure water gun.

7. The spray drying tower for tile production according to claim 1, wherein: air supply unit (4) are including air supply (41), air cleaner (42), heating cabinet (43) and air supply pipe (44) that communicate in proper order, air supply pipe (44) keep away from heating cabinet (43) one end respectively with intake pipe (61) and cyclone generator (3) inlet end intercommunication.

8. The spray drying tower for tile production according to claim 1, wherein: the tower body (2) still includes screen frame (24), screen frame (24) set up along circumference on the lateral wall of outer tower (22) one side is kept away from in interior tower (23), just screen frame (24) set up feeding subassembly (5) below.