CN215939031U

CN215939031U - Improved white carbon black spray drying equipment

Info

Publication number: CN215939031U
Application number: CN202121427168.2U
Authority: CN
Inventors: 张志建; 陈月娥; 张声河; 李早芳; 范希周; 魏宝明; 叶明太
Original assignee: Fujian Sha Xian Jin Sha Silica Manufacturing Co ltd
Current assignee: Fujian Sha Xian Jin Sha Silica Manufacturing Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-04
Anticipated expiration: 2031-06-25

Abstract

An improved white carbon black spray drying device comprises a drying tower and a cloth bag collector for collecting silica fine powder, wherein a feed inlet of the cloth bag collector is connected with an outlet on one side wall of the drying tower, a hot air inlet is formed in the other side wall of the drying tower, and a powder discharge outlet is formed in the bottom of the cloth bag collector; still include first shale shaker and drying drum, the bottom of drying tower is equipped with first export and second export, first export with the feed inlet of first shale shaker is connected, the feed inlet of second export and drying drum is connected, and drying drum's discharge gate is connected with the second shale shaker. The white carbon black spray drying equipment has ideal overall structure design, high automation control degree and refined operation, can separate powder and granular materials with different particle sizes, can obtain white carbon black finished products with high drying strength, and has wide application fields of the white carbon black finished products, particularly high-end fields of feed additives, food additives, medicine auxiliaries and the like, and high added value of the products.

Description

Improved white carbon black spray drying equipment

Technical Field

The utility model relates to the technical field of silicon dioxide preparation, in particular to improved white carbon black spray drying equipment.

Background

White carbon black is a generic term for white powdery X-ray amorphous silicic acid and silicate products, mainly referring to precipitated silica, fumed silica and ultrafine silica gel, and is a porous substance, and the composition of the white carbon black can be represented by SiO 2. nH2O, wherein nH2O exists in the form of surface hydroxyl groups. It is used as material for making glass, optical fibre, optical instrument, handicraft, refractory material and feed additive.

The spray drying equipment is a drying equipment which adopts an atomizer to disperse raw material liquid into fog drops and uses hot gas (such as hot air or hot steam) to dry the fog drops to obtain a product.

SUMMERY OF THE UTILITY MODEL

The utility model provides improved white carbon black spray drying equipment, which overcomes the defects that the existing spray drying equipment is not ideal in overall structural design, the separation degree of white carbon black with different particle sizes is not enough, a white carbon black finished product with high drying strength is difficult to obtain, the added value of the product is not high, and the like.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

an improved white carbon black spray drying device comprises a drying tower and a cloth bag collector for collecting silica fine powder, wherein a feed inlet of the cloth bag collector is connected with an outlet on one side wall of the drying tower, a hot air inlet is formed in the other side wall of the drying tower, a powder discharge port is formed in the bottom of the cloth bag collector, the improved white carbon black spray drying device also comprises a first vibrating screen for collecting silica particles, the first vibrating screen is arranged at the outlet on the bottom of the drying tower, an upper-layer screen, a middle-layer screen and a lower-layer screen are arranged in the first vibrating screen, and the upper-layer screen is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the middle layer screen is a 80-mesh screen, and forms an included angle of 15 degrees with the horizontal plane; the lower layer screen is a 100-mesh screen, and forms an included angle of-15 degrees with the horizontal plane.

Further say, spray drying equipment still includes controller, tail gas tower, plays atomization treatment's atomizer, thick liquid jar that is used for storing the fourth thick liquid, takes out the screw pump that gets into the drying tower to the atomizer with the thick liquid jar in the fourth thick liquid jar and takes out the draught fan in the tail gas tower with the produced tail gas of sack collector, the atomizer is installed at the top of drying tower, screw pump, atomizer, draught fan and first shale shaker all are controlled by the controller.

The utility model provides a white carbon black spray drying equipment of improved generation, still includes the drying drum that carries out drying process once more and be the slope and arrange in the drying tower, drying drum drives its rotation by the cylinder motor, the bottom of drying tower is equipped with the first export that has first valve and the second export that has the second valve, first export with the feed inlet of first shale shaker is connected, the second export with drying drum's feed inlet is connected, drying drum's discharge gate is connected with the second shale shaker, and this second shale shaker and cylinder motor also all are controlled by the controller.

Furthermore, an upper layer screen and a lower layer screen are arranged in the second vibrating screen, and the upper layer screen is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the lower layer screen is a 100-mesh screen, and forms an included angle of 15 degrees with the horizontal plane.

Furthermore, the inner side wall of the inner cylinder of the drying roller is provided with a spiral baffle plate along the length direction of the inner cylinder.

By adopting the technical scheme, the white carbon black spray drying equipment has the advantages of ideal overall structure design, high automation control degree, fine operation, capability of separating powder and granular materials with different particle sizes and obtaining a white carbon black finished product with high drying strength, wide application field of the white carbon black finished product, particularly high-end fields such as feed additives, food additives and pharmaceutical auxiliaries and high added value of the product.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of a drying drum according to the present invention.

Fig. 3 is a schematic sectional view of a drying drum according to the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Reference is made to figure 1. The utility model provides an improved generation white carbon black spray drying equipment, includes drying tower 1, is used for collecting the sack collector 2 of silica farine and is used for collecting the first shale shaker 3 of silica grain, the feed inlet of sack collector 2 with the exit linkage of a lateral wall of drying tower 1, this drying tower 1 another lateral wall is equipped with hot-air inlet 10, and the bottom of this sack collector 2 is equipped with powder discharge gate 20, first shale shaker 3 is located the exit of drying tower 1 bottom. Spray drying equipment still includes controller 4, tail gas tower 5, plays atomization treatment's atomizer 6, the thick liquid jar 7 that is used for storing the fourth thick liquid, takes out the fourth thick liquid in thick liquid jar 7 to atomizer 6 and gets into screw pump 8 in the drying tower 1 and take out the induced draft fan 9 in tail gas tower 5 with the produced tail gas of sack collector 2, atomizer 6 is installed at the top of drying tower 1, screw pump 8, atomizer 6, induced draft fan 9 and first shale shaker 3 all are controlled by controller 4. An upper-layer screen 31, a middle-layer screen 32 and a lower-layer screen 33 are arranged in the first vibrating screen 3, and the upper-layer screen 31 is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the middle layer screen 32 is a 80-mesh screen and forms an included angle of 15 degrees with the horizontal plane; the lower layer screen 33 is a 100-mesh screen and forms an included angle of-15 degrees with the horizontal plane. The working process is as follows: after starting, hot air is introduced into the drying tower 1 from a hot air inlet 10, a screw pump, an atomizer, an induced draft fan and a first vibrating screen are respectively opened, fourth slurry in the thick slurry tank is pumped to the atomizer through the screw pump and enters the drying tower 1, fine powder and dry water are separately pumped into a cloth bag collector 2 through the drying action of the hot air, coarser granular materials enter a first vibrating screen 3 for vibration classification, and granular materials larger than 60 meshes are collected through an upper-layer screen mesh 31; collecting the granules of 60-80 meshes through a middle-layer screen 32; the particles of 80-100 mesh size are collected through the lower screen 33 and particles smaller than 100 mesh size are collected below the first vibrating screen 3. The spray drying equipment has ideal structural design, high automation control degree, fine operation, convenient production operation and high added value of products, and can separate powder and granular materials with different granularities.

Reference is made to figures 1, 2 and 3. The spray drying equipment further comprises a drying drum 11 which is used for drying materials in the drying tower 1 again and is arranged in an inclined mode, the bottom of the drying tower 1 is provided with a first outlet with a first valve 12 and a second outlet with a second valve 13, the first outlet is connected with a feeding hole of the first vibrating screen 3, the second outlet is connected with a feeding hole of the drying drum 11, the drying drum 11 is driven to rotate by a drum motor 15, a discharging hole of the drying drum 11 is connected with a second vibrating screen 14, the second vibrating screen 14 and the drum motor 15 are also controlled by the controller 4, an upper-layer screen 141 and a lower-layer screen 142 are arranged in the second vibrating screen 14, and the upper-layer screen 141 is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the lower screen 142 is a 100 mesh screen and forms an angle of 15 degrees with the horizontal. By adopting the design of the drying roller 11, the materials in the drying tower 1 are dried again, the drying degree is high, and the finished silicon dioxide product with high drying strength can be obtained. After the second outlet material of the drying tower 1 enters the inlet at the upper end of the drying drum 11, the controller starts the motor 15, so that the motor 15 drives the drying drum 11 to rotate, the material continuously moves forwards in the drying drum 11, and then enters the second vibrating screen 14 from the outlet below the lower end of the drying drum 11.

Reference is made to figure 3. The inner side wall of the inner cylinder of the drying roller 11 is provided with the spiral baffle 110 along the length direction, and the design of the spiral baffle 110 is adopted, so that the path of the material moving forward continuously in the drying roller 11 is lengthened, the waiting time of the material in the drying roller 11 is greatly prolonged, and the drying effect of the material is further improved.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. The utility model provides a white carbon black spray drying equipment of follow-on, includes drying tower and the sack collector that is used for collecting silica farine, this sack collector's feed inlet with the exit linkage of a drying tower lateral wall, another lateral wall of this drying tower is equipped with hot-air inlet, and this sack collector's bottom is equipped with powder discharge gate, its characterized in that: the drying device is characterized by also comprising a first vibrating screen for collecting silicon dioxide particles, wherein the first vibrating screen is arranged at an outlet at the bottom of the drying tower, an upper-layer screen, a middle-layer screen and a lower-layer screen are arranged in the first vibrating screen, and the upper-layer screen is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the middle layer screen is a 80-mesh screen, and forms an included angle of 15 degrees with the horizontal plane; the lower layer screen is a 100-mesh screen, and forms an included angle of-15 degrees with the horizontal plane.

2. The improved white carbon black spray drying equipment as claimed in claim 1, wherein: spray drying equipment still includes controller, tail gas tower, plays atomization treatment's atomizer, the thick liquid jar that is used for storing the fourth thick liquid, takes out the thick liquid jar in the thick liquid jar fourth thick liquid to the screw pump that the atomizer got into in the drying tower and take out the draught fan in the tail gas tower with the produced tail gas of sack collector, the atomizer is installed at the top of drying tower, screw pump, atomizer, draught fan and first shale shaker all are controlled by the controller.

3. The improved white carbon black spray drying equipment as claimed in claim 1, wherein: the drying tower is characterized by further comprising a drying drum which is used for drying materials in the drying tower again and is obliquely arranged, the drying drum is driven by a drum motor to rotate, a first outlet with a first valve and a second outlet with a second valve are arranged at the bottom of the drying tower, the first outlet is connected with a feed inlet of a first vibrating screen, the second outlet is connected with a feed inlet of the drying drum, a discharge outlet of the drying drum is connected with a second vibrating screen, and the second vibrating screen and the drum motor are also controlled by the controller.

4. The improved white carbon black spray drying equipment as claimed in claim 1, wherein: an upper layer screen and a lower layer screen are arranged in the second vibrating screen, and the upper layer screen is a 60-mesh screen and forms an included angle of-15 degrees with the horizontal plane; the lower layer screen is a 100-mesh screen, and forms an included angle of 15 degrees with the horizontal plane.

5. The improved white carbon black spray drying equipment as claimed in claims 1 and 3, wherein: the inner side wall of the inner cylinder of the drying roller is provided with a spiral baffle plate along the length direction of the inner cylinder.