CN109589868B - High-temperature molten calcium carbide liquid granulation forming device - Google Patents
High-temperature molten calcium carbide liquid granulation forming device Download PDFInfo
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- CN109589868B CN109589868B CN201811331245.7A CN201811331245A CN109589868B CN 109589868 B CN109589868 B CN 109589868B CN 201811331245 A CN201811331245 A CN 201811331245A CN 109589868 B CN109589868 B CN 109589868B
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- granulation
- calcium carbide
- central cooling
- dabber
- temperature molten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
Abstract
The utility model provides a high temperature melting carbide liquid granulation forming device, include granulation cylinder mechanism and install the central cooling dabber in granulation cylinder mechanism, form a cavity between granulation cylinder mechanism and the central cooling dabber, granulation cylinder mechanism circumference outside all is equipped with the shaping recess, install rotating flange and end cover at the head end of central cooling dabber and granulation cylinder mechanism, the transmission connects is installed to the tail end, centre bore and cooling water shunt that are linked together with the water intake pipe are seted up to the head end of central cooling dabber, still set up on the center pin and be linked together and a plurality of axial branch road and the nozzle of circumferential arrangement with cooling water shunt. According to the invention, the calcium carbide is directly molded into small calcium carbide pieces meeting the requirement of finished product granularity in the curing process by using the granulation roller mechanism, the cooled large calcium carbide pieces are prevented from being subjected to crushing process treatment, the production energy consumption of the calcium carbide is reduced, the production flow is simplified, and the problems of dust pollution and powder loss in the traditional crushing flow are avoided.
Description
Technical Field
The invention relates to a calcium carbide liquid granulation forming device, in particular to a high-temperature molten calcium carbide liquid granulation forming device.
Background
In the traditional calcium carbide production process, calcium carbide discharged from a smelting furnace flows into a calcium carbide pot, is cooled to 100 ℃ through natural ventilation and then is crushed into small pieces meeting the requirement of the granularity of a finished calcium carbide product by a crusher.
In order to improve the yield, the volume of the calcium carbide pot is generally set to be larger, so that the cooled calcium carbide weight has a large volume, which is not only unfavorable for cooling, but also depends on a crushing process to carry out blocking treatment. However, extra manpower and financial resources are undoubtedly added in the calcium carbide crushing process, and the economic benefit is poor; and a large amount of dust generated by crushing worsens the working environment of workers, and the dust is difficult to recycle, thereby causing serious resource waste and environmental pollution.
Disclosure of Invention
The invention provides a high-temperature molten calcium carbide liquid granulation forming device which can avoid crushing treatment on cooled large calcium carbide, reduce the production energy consumption of the calcium carbide, simplify the production flow and avoid the problem of dust pollution in the traditional crushing flow.
In order to achieve the purpose, the invention adopts the technical scheme that: the central cooling core shaft is provided with a central cooling core shaft which is coaxially arranged in the granulation roller mechanism, a cavity is formed between the granulation roller mechanism and the central cooling core shaft, the outer side of the whole circumference of the granulation roller mechanism is provided with a forming groove, the head ends of the central cooling core shaft and the granulation roller mechanism are provided with a rotary flange and an end cover, the tail end is coaxially provided with a transmission joint, the transmission joint and the rotary flange are connected with the granulation roller mechanism and are sleeved on the central cooling core shaft through a first bearing and a third bearing, the end cover is sleeved on the rotary flange through a second bearing, the end cover is provided with a water inlet pipeline, the head end of the central shaft of the central cooling core shaft is provided with a central hole and a cooling water diverter which are communicated with the water diverter and are circumferentially arranged, the central shaft is also provided with a plurality of axial branches which, the rotary flange is provided with a steam through hole communicated with the cavity, and the end cover is provided with a steam chamber and a steam outlet which are communicated with the steam through hole.
The forming groove is a mutually independent accommodating space which is surrounded by the partition walls and the inner wall of the roller and has an opening at the outer part, and the inner space of the forming groove is in a structure with a large outer part and a small inner part, such as an inverted cone, an inverted pyramid, a hemisphere and the like.
And two ends of the outer side of the granulation roller mechanism are respectively provided with a calcium carbide liquid overflow preventing plate.
The arrangement range of the axial branch in the central cooling mandrel and the nozzle mounted on the axial branch is half circumference or 270 degrees.
The head end of the granulation roller mechanism is hermetically connected with the rotary flange, and the tail end of the granulation roller mechanism is hermetically connected with the transmission joint.
And the outer side of the right end of the water inlet pipeline on the end cover and the inner wall of the central hole of the central cooling mandrel are sealed by a sealing sleeve.
The rotary flange is in sealed rotary connection with the outer side of the head end of the central cooling mandrel through a third bearing and a sealing ring; the transmission joint is in sealed rotary connection with the outer side of the tail end of the central cooling mandrel through a first bearing and a sealing ring; the inner side of the end cover is connected with the outer side of the rotating flange in a sealing and rotating mode through a second bearing and a sealing ring.
The granulation roller mechanism is connected with a power system through a chain by a transmission joint to realize low-temperature power transmission.
The power system comprises a direct current motor, a motor speed regulating device and a speed reducer, and the granulation roller mechanism 1 can realize stepless regulation of the rotating speed through the direct current motor speed regulating device. The granulation roller mechanism, the transmission joint and the rotating flange are co-moving parts; the central cooling mandrel and the end cover are fixed parts.
Compared with the prior art, the invention has the following beneficial technical effects:
the drum mechanism is utilized to directly form the calcium carbide into small calcium carbide pieces meeting the requirement of finished product granularity in the curing process, the cooled large calcium carbide pieces are prevented from being subjected to crushing process treatment, the production energy consumption of the calcium carbide is reduced, the production flow is simplified, the problems of dust pollution and powder loss in the traditional crushing flow are avoided, the environment is protected, resources are saved, and the drum mechanism has obvious environmental benefits.
The high-temperature molten calcium carbide liquid granulation forming device provided by the invention can be used in the calcium carbide production industry, can be popularized to other industries for curing and forming high-temperature molten substances, and has remarkable economic benefits.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Figure 2 is a quarter sectional view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 1.
Fig. 4 is a cross-sectional view a-a of fig. 1 (at a 90 degree angle to the cross-section of fig. 3).
Fig. 5 is a sectional view taken along line B-B of fig. 1.
Fig. 6 is a radial sectional structural view of the rotating flange of the present invention.
In the figure: 1. granulation cylinder mechanism, 1.1, shaping recess, 1.2, the partition wall, 1.3, the spill plate, 2, central cooling dabber, 2.1, the center pin, 2.2, the centre bore, 2.3, the cooling water shunt, 2.4, the axial branch road, 2.5, the nozzle, 3, the end cover, 3.1, the inlet channel, 3.2, the steam chamber, 3.3, the steam outlet, 4, the transmission connects, 5.1, first bearing, 5.2, the second bearing, 5.3, the third bearing, 6, the rotating flange, 6.1, the steam vent, 7, the cavity.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-4, the invention comprises a granulation roller mechanism 1 and a central cooling mandrel 2 coaxially installed in the granulation roller mechanism 1, a cavity 7 is formed between the granulation roller mechanism 1 and the central cooling mandrel 2, forming grooves 1.1 with an open outside and a large outside and a small inside (see fig. 5) are respectively arranged on the outer side of the whole circumference of the granulation roller mechanism 1, two adjacent forming grooves 1.1 are separated by a partition wall 1.2 to form mutually independent accommodating spaces, calcium carbide liquid overflow preventing plates 1.3 are respectively arranged at two ends of the outer side of the granulation roller mechanism 1, a rotating flange 6 and an end cover 3 are installed at the head ends of the central cooling mandrel 2 and the granulation roller mechanism 1, and a transmission joint 4 is coaxially installed at the tail end; the rotary flange 6 is connected with the outer side of the head end of the central cooling mandrel 2 in a sealing and rotating way through a third bearing 5.3 and a sealing ring (not shown), the transmission joint 4 is connected with the outer side of the tail end of the central cooling mandrel 2 in a sealing and rotating way through a first bearing 5.1 and a sealing ring, and the rotary flange 6 and the transmission joint 4 are connected with the granulation roller mechanism 1 in a sealing way and are a co-moving part; the end cover 3 is in sealed rotary connection with the rotary flange 6 through a second bearing 5.2 and a sealing ring, a water inlet pipeline 3.1 is arranged on the end cover, the head end of a central shaft 2.1 of the central cooling mandrel 2 is provided with a central hole 2.2 and a cooling water splitter 2.3 which are communicated with the water inlet pipeline 3.1, the inner wall of the central hole 2.2 of the central cooling mandrel 2 and the outer side of the right end of the water inlet pipeline 3.1 on the end cover 3 are sealed through a sealing sleeve, a plurality of axial branches 2.4 communicated with the cooling water splitter 2.3 are also arranged on a half circumference (180 degrees) or 270 degrees range of the central shaft 2.1, and a plurality of nozzles 2.5 (see figure 5) are arranged on each axial branch 2.4; referring to fig. 6, a steam through hole 6.1 communicated with the cavity 7 is formed on the rotating flange 6, and a steam chamber 3.2 and a steam outlet 3.3 communicated with the steam through hole 6.1 are formed on the end cover 3.
The granulation roller mechanism 1 is connected with a power system through a chain by a transmission joint 4 to realize low-temperature power transmission, the power system comprises a direct current motor, a motor speed regulating device and a speed reducer, and the granulation roller mechanism 1 can realize stepless regulation of the rotating speed through the direct current motor speed regulating device.
The outer part of the forming groove 1.1 is open to form a molten calcium carbide injection port and a solidified calcium carbide discharge port, and the size of the inner space of the forming groove is determined according to the granularity requirement of the finished calcium carbide; the inner space of the forming groove 1.1 is in a structural form with a large outer part and a small inner part, and the longitudinal section of the forming groove can be in a trapezoid shape with a large outer part and a small inner part (see fig. 5), and can also be in a semicircular shape, a semi-elliptical shape, a triangular shape or other shapes with a large outer part and a small inner part.
The material of the granulating drum mechanism 1 is heat-resistant cast iron or other high-temperature-resistant materials.
A cooling medium circulation loop is arranged in a central cooling mandrel 2, and the high-temperature calcium carbide in a granulation roller mechanism 1 and a forming groove 1.1 thereof is cooled through a nozzle 2.5 on the central cooling mandrel 2. The cooling medium circulation loop is as follows: circulating saturated water flows into a central hole 2.2 of the central cooling mandrel 2 from a water inlet pipeline 3.1 of the end cover 3, enters each axial branch 2.4 from a cooling water splitter 2.3 at the head end of the central cooling mandrel 2, is sprayed and cooled on the granulation roller mechanism 1 by a nozzle 2.5, is atomized after pressure reduction and heat absorption of spray water, enters a steam chamber 3.2 in the end cover 3 from a steam through hole 6.1 on the rotary flange 6, and is finally discharged from a steam outlet 3.3.
After entering a plurality of forming grooves 1.1 on the outer side of the granulation roller mechanism 1, the high-temperature molten calcium carbide liquid slowly rotates at a constant speed along with the roller mechanism, and in the process, the molten calcium carbide is subjected to heat exchange with low-temperature spray water from a central cooling mandrel 2 through the inner wall of the granulation roller mechanism 1 to complete cooling and solidification, so that a plurality of mutually independent calcium carbide lumps with solidified surface layers and molten cores are formed; when the forming groove 1.1 filled with the calcium carbide is opened downwards, the small calcium carbide blocks leave the granulating device under the action of gravity and enter a subsequent flow.
When the device is applied, the high-temperature calcium carbide liquid storage tank is arranged right above the granulation roller mechanism 1, so that the continuous stability of the granulation process is ensured. Meanwhile, the rotating speed of the granulating roller mechanism 1 needs to be adjusted in coordination with the calcium carbide liquid supply flow of the storage tank and the parameters (such as temperature and flow) of cooling water supply, so that the granulating quality and the granulating speed in the cooling and molding process can be controlled, and the granulating requirements of different calcium carbide process flows can be met. A calcium carbide conveying device is arranged under the granulation roller mechanism 1, and calcium carbide small blocks with solidified falling surface layers and melted core parts are conveyed to a calcium carbide waste heat recovery unit for heat recovery.
Claims (9)
1. The utility model provides a high temperature melting carbide liquid granulation forming device which characterized in that: including granulation cylinder mechanism (1) and central cooling dabber (2) of coaxial arrangement in granulation cylinder mechanism (1), form a cavity (7) between granulation cylinder mechanism (1) and central cooling dabber (2), granulation cylinder mechanism (1) whole circumference outside all is equipped with shaping recess (1.1), install rotary flange (6) and end cover (3) at the head end of central cooling dabber (2) and granulation cylinder mechanism (1), tail end coaxial arrangement has transmission joint (4), transmission joint (4) and rotary flange (6) link to each other and pass through first, third bearing (5.1), 5.3 suit is on central cooling dabber (2), end cover (3) pass through second bearing (5.2) suit on rotary flange (6), water intake pipe (3.1) have been seted up on end cover (3), set up centre bore (2.2) that are linked together with water intake pipe (3.1) on the center pin (2.1) head end of central cooling dabber (2) ) And the cooling water flow divider (2.3), a plurality of axial branches (2.4) which are communicated with the cooling water flow divider (2.3) and are arranged circumferentially are also arranged on the central shaft (2.1), a plurality of nozzles (2.5) are equidistantly arranged on each axial branch (2.4), a steam through hole (6.1) communicated with the cavity (7) is arranged on the rotary flange (6), and a steam chamber (3.2) and a steam outlet (3.3) which are communicated with the steam through hole (6.1) are arranged on the end cover (3).
2. The granulation and molding device for high-temperature molten calcium carbide liquid as defined in claim 1, wherein the molding groove (1.1) is a mutually independent and externally open accommodating space surrounded by the partition wall (1.2) and the inner wall of the roller, and the inner space of the molding groove is in a structure like an inverted cone, an inverted pyramid and a hemisphere with a large outside and a small inside.
3. The device for granulating and forming high-temperature molten calcium carbide liquid as claimed in claim 1, wherein calcium carbide liquid overflow preventing plates (1.3) are respectively arranged at two ends of the outer side of the granulating drum mechanism (1).
4. The granulation and molding device for high-temperature molten calcium carbide liquid as defined in claim 1, wherein the axial branch (2.4) in the central cooling mandrel (2) and the nozzles (2.5) mounted on the axial branch (2.4) are arranged within a half circumference or 270 degrees.
5. The high-temperature molten calcium carbide granulation forming device according to claim 1, wherein the head end of the granulation roller mechanism (1) is hermetically connected with the rotating flange (6), and the tail end of the granulation roller mechanism is hermetically connected with the transmission joint (4).
6. The granulation and molding device for high-temperature molten calcium carbide liquid as defined in claim 1, wherein the outer side of the right end of the water inlet pipeline (3.1) on the end cap (3) is sealed with the inner wall of the central hole (2.2) of the central cooling mandrel (2) by a sealing sleeve.
7. The high-temperature molten calcium carbide granulation forming device is characterized in that the rotating flange (6) is in sealed rotary connection with the outer side of the head end of the central cooling mandrel (2) through a third bearing (5.3) and a sealing ring; the transmission joint (4) is in sealed rotary connection with the outer side of the tail end of the central cooling mandrel (2) through a first bearing (5.1) and a sealing ring; the inner side of the end cover (3) is connected with the outer side of the rotary flange (6) in a sealing and rotating way through a second bearing (5.2) and a sealing ring.
8. The high-temperature molten calcium carbide granulation forming device according to claim 1, wherein the granulation roller mechanism (1) is connected with a power system through a chain by a transmission joint (4) to realize low-temperature power transmission.
9. The device for granulating and forming high-temperature molten calcium carbide liquid as claimed in claim 8, wherein the power system comprises a direct current motor, a motor speed adjusting device and a speed reducer, and the granulating drum mechanism (1) can realize stepless regulation of the rotating speed through the direct current motor speed adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331245.7A CN109589868B (en) | 2018-11-09 | 2018-11-09 | High-temperature molten calcium carbide liquid granulation forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331245.7A CN109589868B (en) | 2018-11-09 | 2018-11-09 | High-temperature molten calcium carbide liquid granulation forming device |
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| Publication Number | Publication Date |
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| CN109589868A CN109589868A (en) | 2019-04-09 |
| CN109589868B true CN109589868B (en) | 2020-12-15 |
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| CN201811331245.7A Active CN109589868B (en) | 2018-11-09 | 2018-11-09 | High-temperature molten calcium carbide liquid granulation forming device |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2407506C3 (en) * | 1974-02-16 | 1978-05-24 | Hoechst Ag, 6000 Frankfurt | Method and device for calcining hydrated lime moldings |
| US7226553B2 (en) * | 2003-07-30 | 2007-06-05 | E. I. Du Pont De Nemours And Company | Polymer underwater pelletizer apparatus and process incorporating same |
| CN201015732Y (en) * | 2007-02-09 | 2008-02-06 | 李建华 | Dry material solidifying cuber |
| CN102319551A (en) * | 2011-04-28 | 2012-01-18 | 上海瑞宝造粒机有限公司 | Annular belt type dripping forming granulating machine |
| CN102718033B (en) * | 2012-06-14 | 2014-04-09 | 北京思能达电力电子技术有限公司 | Screw conveying device with functions of waste heat recovery and one-step forming of lumps |
| DE102012011894A1 (en) * | 2012-06-15 | 2014-01-02 | Automatik Plastics Machinery Gmbh | Method and device for granulating melt material |
| CN203741048U (en) * | 2013-12-27 | 2014-07-30 | 北京思能达节能电气股份有限公司 | Continuous forming and cooling device for liquid calcium carbide |
| CN204938990U (en) * | 2015-02-06 | 2016-01-06 | 包头市三合信息技术有限公司 | High temperature carbide liquid prilling granulator |
| KR20190005167A (en) * | 2016-04-20 | 2019-01-15 | 웨스트 버지니아 유니버시티 리서치 코포레이션 | Method, apparatus and electrodes for the conversion of carbide to carbon, using nanostructured carbide compounds |
| CN207030968U (en) * | 2017-06-08 | 2018-02-23 | 神雾科技集团股份有限公司 | Prepare the device of granulated carbide |
| CN207102529U (en) * | 2017-07-27 | 2018-03-16 | 党怡平 | A kind of drum granulating machine |
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