CN217774053U

CN217774053U - Vertical high-temperature mixing granulation kettle

Info

Publication number: CN217774053U
Application number: CN202221484578.5U
Authority: CN
Inventors: 黄志飞; 田汉玉; 郑明辉; 郑植标
Original assignee: Zhejiang Shuangzi Intelligent Equipment Co ltd
Current assignee: Zhejiang Shuangzi Intelligent Equipment Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-11
Anticipated expiration: 2032-06-15

Abstract

A vertical high-temperature mixing granulation kettle comprises a driving motor and a vertical barrel body which is vertically arranged, wherein a mixing assembly connected with the driving motor is arranged in the vertical barrel body; the mixing assembly comprises a vertically arranged main shaft and a support rod group horizontally connected to the main shaft at different heights, the support rod group comprises two support rods positioned on the same straight line, and the two support rods of the support rod group are arranged on two opposite sides of the main shaft; the support rod group is connected with an outer spiral belt for turning up materials and an inner spiral belt for extruding the materials downwards, and the outer spiral belt and the inner spiral belt form convection of the materials; the heating furnace is wrapped outside the vertical barrel body; compared with the prior art, the double-helical-ribbon structure is adopted, the inner helical ribbon and the outer helical ribbon are crossed in a rotating range, the outer helical ribbon enables materials to turn upwards, the inner helical ribbon enables the materials to be extruded downwards, sufficient convection of the materials in a kettle is guaranteed, and the coating granulation effect is better.

Description

Vertical high-temperature mixing granulation kettle

Technical Field

The utility model relates to a cladding granulation technical field, concretely relates to vertical high temperature mixes granulation cauldron.

Background

In recent years, the worldwide stock of petroleum resources is indisputable, particularly in the automobile industry, the development of petroleum as a main fuel is greatly threatened, new energy automobiles are more and more accepted by people, the corresponding automobile lithium battery industry is increasingly increased, the demand of lithium battery raw materials is also increased, the negative electrode material of the lithium battery is mainly graphite, the most core link for manufacturing the negative electrode material of the lithium battery is the coating and granulating process of the graphite, and the quality of the granulating directly influences the quality of the battery.

Cladding granulation is also called cladding particle fuel, belongs to one kind of dispersion fuel, in a high-temperature gas cooled reactor, uranium and thorium oxide or carbide are used as fuel and are dispersed in graphite, and because a graphite matrix is not compact enough, a high-temperature resistant, firm and good-air-tightness multi-layer shell is coated outside fuel particles to prevent leakage of fission products and expansion of the fuel particles. The shell is composed of pyrolytic carbon and silicon carbide (SiC) with different densities, the total thickness of the shell is larger than the free path of recoil atoms, generally between 100 and 300 mu m, the diameter of the whole fuel particle is 1mm, the fuel coated with the particle can not only achieve very deep fuel consumption, but also greatly improve the working temperature of the reactor.

Chinese patent No. CN211487351U discloses a vertical stirred tank for producing lithium battery graphite negative electrode materials, including: the stirring assembly comprises a motor, a transmission rod, a first gear, a second gear, a first pipe body, a bearing, a first tank body and a second tank body; the heating assembly is installed on one side of the stirring assembly and comprises a first heating pipe, a connecting pipe, a shell and a second heating pipe, and one end of the connecting pipe is communicated with the outer side wall of the first tank body.

Above-mentioned this kind of vertical stirred tank who discloses realizes mixing the granule through the rotation of second body, and because vertical stirred tank's setting, the granule piles up in the stirred tank bottom under the effect of gravity, is difficult to realize the effective mixing to the graphite granules to influence the cladding effect of graphite granules.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a cladding is effectual, to the vertical high temperature mixed granulation cauldron of STREAMING mixture.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a vertical high-temperature mixing granulation kettle comprises a driving motor and a vertical barrel body which is vertically arranged, wherein a mixing assembly connected with the driving motor is arranged in the vertical barrel body; the mixing assembly comprises a vertically arranged main shaft and a support rod group horizontally connected to the main shaft at different heights, the support rod group comprises two support rods positioned on the same straight line, and the two support rods of the support rod group are arranged on two opposite sides of the main shaft; the support rod group is connected with an outer spiral belt for turning up materials and an inner spiral belt for extruding the materials downwards, and the outer spiral belt and the inner spiral belt form convection of the materials; the vertical barrel body is wrapped by a heating furnace.

As an optimized proposal of the utility model, a strengthening seat is arranged between the main shaft and the stay bar, and a breathing opening is formed on the strengthening seat.

As an optimal scheme of the utility model, vertical staving includes upper cover, barrel main part and the low head that top-down connected gradually, is equipped with the equipment flange that is connected between upper cover and the barrel main part, barrel main part and low head formula structure as an organic whole, and the low head is the toper structure that the top-down size reduces gradually.

As an optimal scheme of the utility model, be formed with manhole and feed inlet on the upper cover, the low head bottom is formed with the discharge gate, and the upper cover middle part is equipped with the frame foundation, is equipped with the frame on the frame foundation, and is equipped with the floating ring formula mechanical seal of sealed main shaft in the frame, and driving motor sets up in the frame, is equipped with the reduction gear and the shaft coupling that are connected between driving motor and the main shaft.

As a preferred scheme of the utility model, the outer spiral belt is connected on all vaulting pole groups, and the outer spiral belt sets up along the vaulting pole outer end spiral at adjacent vaulting pole group diagonal angle, is equipped with two outer spiral belts that set up along the main shaft symmetry on the vaulting pole group.

As a preferred scheme of the utility model, interior spiral shell area sets up in the main shaft middle part, and interior spiral shell area connects in the vaulting pole middle part, and interior spiral shell area sets up along the vaulting pole middle part spiral at adjacent vaulting pole group diagonal angle, is equipped with two interior spiral shell areas that set up along the main shaft symmetry on the vaulting pole group, and interior spiral shell area bottom is located barrel main part and low head junction.

As a preferred scheme of the utility model, be equipped with between the adjacent vaulting pole with the board that flows around of the inner wall looks adaptation of vertical staving, and be equipped with between the vaulting pole of the top and the main shaft with the scraper blade of upper cover inner wall looks adaptation.

As the utility model discloses an optimal scheme, the heating furnace includes upper segment heating furnace and hypomere heating furnace, and the upper segment heating furnace corresponds to wrap up outside the barrel main part, and the hypomere heating furnace corresponds to wrap up outside the low head.

As an optimized proposal of the utility model, the inner sides of the upper heating furnace and the lower heating furnace are provided with the corrugated resistance belt in the shape of a flat belt, and the outer side of the upper heating furnace is provided with an ear type support.

As the utility model discloses a preferred scheme, heating furnace top-down has temperature measurement mouth, well temperature measurement mouth and lower temperature measurement mouth in proper order to reserve, goes up temperature measurement mouth, well temperature measurement mouth and all is equipped with corresponding temperature measurement joint in the temperature measurement mouth down, and the temperature measurement joint passes in the heating furnace extends to vertical barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the double-spiral belt structure is adopted, the inner spiral belt and the outer spiral belt are crossed in a rotating range, the outer spiral belt enables materials to turn upwards, the inner spiral belt enables the materials to be extruded downwards, sufficient convection of the materials in a kettle is guaranteed, and the coating granulation effect is better;

2. the heating furnace adopts an upper section heating furnace and a lower section heating furnace, and when the equipment flange leaks, the sealing piece of the equipment flange can be replaced only by removing the upper section heating furnace.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a stereoscopic tub body;

FIG. 3 is a schematic view of the structure of the heating furnace;

FIG. 4 is a schematic view of the installation of the temperature measuring connector;

reference numerals are as follows: the device comprises a driving motor 1, a speed reducer 2, a frame 3, a floating ring type mechanical seal 4, a frame seat 5, a manhole 6, an upper seal head 7, an equipment flange 8, an upper heating furnace 9, an ear type support 10, a cylinder body 11, a lower heating furnace 12, a corrugated resistance band 13, a lower seal head 14, a discharge port 15, a main shaft 16, a lower temperature measuring port 17, a support rod 18, an inner spiral band 19, a flow winding plate 20, a middle temperature measuring port 21, an outer spiral band 22, an upper temperature measuring port 23, a scraper 24, a reinforcing seat 25, a feed port 26, a coupling 27, a heating furnace 28, a vertical cylinder body 29 and a temperature measuring joint 30.

Detailed Description

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

As shown in fig. 1-4, a vertical high-temperature mixing granulation kettle comprises a driving motor 1 and a vertical barrel 29 vertically arranged, wherein a mixing assembly connected with the driving motor 1 is arranged in the vertical barrel 29; the mixing assembly comprises a vertically arranged main shaft 16 and a support rod group horizontally connected to the main shaft 16 at different heights, the support rod group comprises two support rods 18 positioned on the same straight line, and the two support rods 18 of the support rod group are arranged on two opposite sides of the main shaft 16; the outer spiral belt 22 for turning up materials and the inner spiral belt 19 for extruding materials downwards are connected to the brace rod group, and the outer spiral belt 22 and the inner spiral belt 19 form convection of the materials; the heating furnace 28 is wrapped outside the vertical barrel body 29.

A main shaft 16 is arranged at the position of the central shaft of the vertical barrel body 29, the driving motor 1 drives the main shaft 16 to rotate, and the main shaft 16 synchronously drives the stay bar 18, the outer spiral belt 22 and the inner spiral belt 19 to synchronously rotate.

Be equipped with between main shaft 16 and the vaulting pole 18 and strengthen the seat 25, strengthen being formed with on the seat 25 and breathe the mouth, welded fastening between main shaft 16 and the vaulting pole 18, strengthen seat 25 parcel formula and weld in the junction of main shaft 16 and vaulting pole 18, through the setting of breathing the mouth, the heating process is the process of rising temperature and boosting, the high-pressure gas of the inside must in time discharge, the stroke shaft cavity is isobaric with interior barrel, the effectual fatigue effect of solving the axle of breathing the mouth, mainly in order to improve rigidity, reduce fatigue effect extension time life.

The vertical barrel body 29 comprises an upper end enclosure 7, a barrel body 11 and a lower end enclosure 14 which are sequentially connected from top to bottom, a connected equipment flange 8 is arranged between the upper end enclosure 7 and the barrel body 11, the barrel body 11 and the lower end enclosure 14 are of an integrated structure, and the lower end enclosure 14 is of a conical structure with the size gradually reduced from top to bottom.

The upper end enclosure 7 is an elliptical end enclosure with the length-diameter ratio of 2, so that the lower end enclosure 14 is not deformed at high temperature and high pressure, the lower end enclosure 14 is a conical end enclosure with the vertex angle of 50-70 degrees, the strength can be ensured, the material can be prevented from hanging when being coated, the cylinder body 11 is welded with the lower end enclosure 14, and the upper end enclosure 7, the cylinder body 11 and the lower end enclosure 14 are connected into a whole through the equipment flange 8.

A manhole 6 and a feed inlet 26 are formed in the upper end enclosure 7, a discharge outlet 15 is formed in the bottom of the lower end enclosure 14, a frame seat 5 is arranged in the middle of the upper end enclosure 7, a frame 3 is arranged on the frame seat 5, a floating ring type mechanical seal 4 for sealing a main shaft 16 is arranged in the frame 3, a driving motor 1 is arranged on the frame 3, a speed reducer 2 and a coupler 27 which are connected are arranged between the driving motor 1 and the main shaft 16, the manhole 6 is a quick-assembly manhole, and a manhole sealing ring is made of impregnated graphite materials.

The floating ring type mechanical seal 4 adopts an automatic tensioning floating ring seal, and a cooling cavity is designed in a machine seal support and is connected with cooling circulating water for cooling, so that the mechanical seal has the characteristics of reliable sealing performance at high temperature, no grinding drop, wide axial radial run-out adaptability and low maintenance cost.

The outer spiral bands 22 are connected to all the strut groups, the outer spiral bands 22 are spirally arranged along the outer ends of the struts 18 at the opposite corners of the adjacent strut groups, and the strut groups are provided with two outer spiral bands 22 symmetrically arranged along the main shaft 16.

The outer side of the outer helical band 22 is inclined upwards in the rotation direction of the main shaft 16, so that the outer helical band 22 can roll the material upwards during the rotation of the main shaft 16.

The inner screw belt 19 is arranged in the middle of the main shaft 16, the inner screw belt 19 is connected to the middle of the support rod 18, the inner screw belt 19 is spirally arranged along the middle of the support rod 18 at the diagonal of the adjacent support rod group, two inner screw belts 19 symmetrically arranged along the main shaft 16 are arranged on the support rod group, and the bottom of each inner screw belt 19 is located at the joint of the cylinder body 11 and the lower end enclosure 14.

The outer side of the inner screw belt 19 is inclined downwards along the rotation direction of the main shaft 16, so that the inner screw belt 19 can press down materials in the rotation process of the main shaft 16.

The ratio of the width of the outer spiral belt 22 to the cylinder body 11 is 0.1-0.15, the distance between the outer spiral belt 22 and the inner wall of the cylinder body 11 is 8-20mm, and a certain number of flow-winding plates 20 are added, so that the equipment has an excellent effect of coating and granulating at high temperature.

The inner spiral belt 19 and the outer spiral belt 22 are crossed in a rotating range, the outer spiral belt 22 enables materials to turn upwards, the inner spiral belt 19 enables the materials to be extruded downwards, sufficient convection of the materials in the vertical barrel 29 is guaranteed, and the coating and granulating effect is better.

A flow-around plate 20 matched with the inner wall of the vertical barrel body 29 is arranged between the adjacent stay bars 18, and a scraper 24 matched with the inner wall of the upper seal head 7 is arranged between the uppermost stay bar 18 and the main shaft 16.

The scraper 24 sets up in upper cover 7 position, and two scraper 24 are located the coplanar, and be 180 between two scraper 24 and arrange, and 24 one end of scraper is welded with main shaft 16, and one end is welded with the vaulting pole 18 through main shaft 16, and this structure had both guaranteed the intensity of scraper 24 at the during operation, had guaranteed again that vertical staving 29 internal range work does not have the dead angle, and the outer wall of scraper 24 and vertical staving 29 inner wall interval is less than 5mm, can effectively guarantee to strike off the adhesive material of inner wall.

The distance between the outer wall of the scraper 24 and the inner wall of the vertical barrel 29 is less than 5mm, the ratio of the width of the outer spiral belt 22 to the barrel main body 11 is 0.1-0.15, the distance between the outer spiral belt 22 and the inner wall of the barrel main body 11 is 8-20mm, and a certain number of flow-winding plates 20 are added, so that adhesive materials on the inner wall can be effectively scraped, and the equipment has an excellent effect of high-temperature coating granulation.

The surfaces of the external spiral belt 22, the internal spiral belt 19, the inner wall of the vertical barrel body 29, the flow-around plate 20 and the scraper 24 are polished to 0.25-0.45 mu m to ensure the circulation of the materials in the vertical barrel body 29.

The heating furnace 28 comprises an upper section heating furnace 9 and a lower section heating furnace 12, the upper section heating furnace 9 is correspondingly wrapped outside the cylinder body 11, the lower section heating furnace 12 is correspondingly wrapped outside the lower end enclosure 14, and when the sealing part of the equipment flange 8 leaks, the sealing part of the equipment flange 8 can be replaced by only dismantling the upper section heating furnace 9.

The diameters of the upper heating furnace 9 and the lower heating furnace 12 are 1.5 to 1.8 times of the diameter of the vertical barrel 29, so that the heat loss in the vertical barrel 29 can be effectively reduced, and the temperature in the vertical barrel 29 is ensured.

The inner sides of the upper heating furnace 9 and the lower heating furnace 12 are provided with flat belt-shaped corrugated resistance belts 13, the corrugated resistance belts 13 are used as heating elements of the furnace body, the temperature of the corrugated resistance belts 13 can be heated to more than 1000 ℃, the temperature in the vertical barrel 29 can reach the process temperature, and the outer side of the upper heating furnace 9 is provided with the ear type support 10.

An upper temperature measuring port 23, a middle temperature measuring port 21 and a lower temperature measuring port 17 are reserved in the heating furnace 28 from top to bottom in sequence, corresponding temperature measuring connectors 30 are arranged in the upper temperature measuring port 23, the middle temperature measuring port 21 and the lower temperature measuring port 17, and the temperature measuring connectors 30 penetrate through the heating furnace 28 and extend into the vertical barrel 29, so that the temperature in the vertical barrel 29 can be monitored more visually by the temperature measuring connectors 30.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the device comprises a driving motor 1, a speed reducer 2, a frame 3, a floating ring type mechanical seal 4, a frame seat 5, a manhole 6, an upper seal head 7, an equipment flange 8, an upper section heating furnace 9, an ear type support 10, a cylinder body 11, a lower section heating furnace 12, a corrugated resistance band 13, a lower seal head 14, a discharge port 15, a main shaft 16, a lower temperature measuring port 17, a support rod 18, an inner spiral band 19, a flow surrounding plate 20, a middle temperature measuring port 21, an outer spiral band 22, an upper temperature measuring port 23, a scraping plate 24, a reinforcing seat 25, a feed inlet 26, a coupling 27, a heating furnace 28, a vertical barrel body 29, a temperature measuring joint 30 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. A vertical high-temperature mixing granulation kettle comprises a driving motor (1) and a vertical barrel body (29) which is vertically arranged, wherein a mixing assembly connected with the driving motor (1) is arranged in the vertical barrel body (29); the mixing assembly is characterized by comprising a vertically arranged main shaft (16) and a support rod group horizontally connected to the main shaft (16) at different heights, wherein the support rod group comprises two support rods (18) positioned on the same straight line, and the two support rods (18) of the support rod group are arranged on two opposite sides of the main shaft (16); the support rod group is connected with an outer spiral belt (22) for turning up materials and an inner spiral belt (19) for extruding the materials downwards, and the outer spiral belt (22) and the inner spiral belt (19) form convection of the materials; the vertical barrel body (29) is wrapped with a heating furnace (28).

2. The vertical high-temperature mixing and granulating kettle according to claim 1, wherein a reinforcing seat (25) is arranged between the main shaft (16) and the stay bar (18), and a breathing port is formed on the reinforcing seat (25).

3. The vertical high-temperature mixing granulation kettle according to claim 1, wherein the vertical barrel body (29) comprises an upper end enclosure (7), a barrel body (11) and a lower end enclosure (14) which are sequentially connected from top to bottom, a connected equipment flange (8) is arranged between the upper end enclosure (7) and the barrel body (11), the barrel body (11) and the lower end enclosure (14) are of an integrated structure, and the lower end enclosure (14) is of a conical structure with the size gradually reduced from top to bottom.

4. The vertical high-temperature mixing and granulating kettle according to claim 3, wherein a manhole (6) and a feed inlet (26) are formed on the upper end enclosure (7), a discharge outlet (15) is formed at the bottom of the lower end enclosure (14), a frame seat (5) is arranged in the middle of the upper end enclosure (7), a frame (3) is arranged on the frame seat (5), a floating ring type mechanical seal (4) for sealing a main shaft (16) is arranged in the frame (3), a driving motor (1) is arranged on the frame (3), and a speed reducer (2) and a coupling (27) which are connected are arranged between the driving motor (1) and the main shaft (16).

5. The vertical high-temperature mixing and granulating kettle according to claim 1, wherein the outer screw belt (22) is connected to all the strut groups, the outer screw belt (22) is spirally arranged along the outer ends of the struts (18) at the opposite corners of the adjacent strut groups, and the strut groups are provided with two outer screw belts (22) symmetrically arranged along the main shaft (16).

6. The vertical high-temperature mixing granulation kettle according to claim 3, wherein the internal spiral belt (19) is arranged in the middle of the main shaft (16), the internal spiral belt (19) is connected to the middle of the stay bar (18), the internal spiral belt (19) is spirally arranged along the middle of the stay bar (18) at the opposite angle of the adjacent stay bar group, two internal spiral belts (19) symmetrically arranged along the main shaft (16) are arranged on the stay bar group, and the bottom of the internal spiral belt (19) is positioned at the joint of the cylinder body (11) and the lower end enclosure (14).

7. The vertical high-temperature mixing and granulating kettle according to claim 3, wherein a flow-around plate (20) matched with the inner wall of the vertical barrel body (29) is arranged between adjacent support rods (18), and a scraper (24) matched with the inner wall of the upper end enclosure (7) is arranged between the uppermost support rod (18) and the main shaft (16).

8. The vertical high-temperature mixing granulation kettle according to claim 3, wherein the heating furnace (28) comprises an upper heating furnace (9) and a lower heating furnace (12), the upper heating furnace (9) is correspondingly wrapped outside the cylinder body (11), and the lower heating furnace (12) is correspondingly wrapped outside the lower end enclosure (14).

9. The vertical high-temperature mixing and granulating kettle according to claim 8, wherein the inner sides of the upper heating furnace (9) and the lower heating furnace (12) are provided with flat band-shaped corrugated resistance bands (13), and the outer side of the upper heating furnace (9) is provided with ear-type supports (10).

10. The vertical high-temperature mixing granulation kettle according to claim 1, wherein an upper temperature measuring port (23), a middle temperature measuring port (21) and a lower temperature measuring port (17) are reserved in the heating furnace (28) from top to bottom in sequence, corresponding temperature measuring connectors (30) are arranged in the upper temperature measuring port (23), the middle temperature measuring port (21) and the lower temperature measuring port (17), and the temperature measuring connectors (30) penetrate through the heating furnace (28) and extend into the vertical barrel body (29).