CN115031517B - Low-cost cyclic utilization equipment of carbide slag in acetylene production - Google Patents

Low-cost cyclic utilization equipment of carbide slag in acetylene production Download PDF

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Publication number
CN115031517B
CN115031517B CN202210460242.3A CN202210460242A CN115031517B CN 115031517 B CN115031517 B CN 115031517B CN 202210460242 A CN202210460242 A CN 202210460242A CN 115031517 B CN115031517 B CN 115031517B
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China
Prior art keywords
cavity
hot air
heat radiation
impeller
shell
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Application number
CN202210460242.3A
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Chinese (zh)
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CN115031517A (en
Inventor
任进进
刘文建
胡旭
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Anhui Hwasu Corp
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Anhui Hwasu Corp
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Publication of CN115031517A publication Critical patent/CN115031517A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/02Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
    • F26B17/04Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/28Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001Handling, e.g. loading or unloading arrangements
    • F26B25/002Handling, e.g. loading or unloading arrangements for bulk goods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/28Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Furnace Details (AREA)

Abstract

The invention discloses low-cost cyclic utilization equipment of carbide slag in acetylene production, which comprises a shell, wherein the shell is divided by a partition plate to form a hot air cavity and an impeller cavity, the hot air cavity is communicated with the impeller cavity through an opening, a plurality of vortex tubes are arranged on the outer side of the shell corresponding to the hot air cavity, and hot end outlets of the vortex tubes are communicated with the hot air cavity; the fan impeller is arranged in the impeller cavity and driven by a motor to rotate, the recycling equipment mainly uses the vortex tube to provide a heat source, one end of the vortex tube generates cold air flow when in operation, the other end of the vortex tube generates hot air flow, the generated hot air flow is used for baking carbide slag, the generated cold air flow can be used for refrigerating other equipment, the working characteristics of the equipment are fully utilized, and the energy consumption of the whole production is reduced; furthermore, a plurality of heat radiation plates are arranged in the baking cavity, and infrared heat radiation generated by each heat radiation plate after being heated can further cover the baking cavity area, so that the baking heating range of the baking cavity is improved.

Description

Low-cost cyclic utilization equipment of carbide slag in acetylene production
Technical Field
The invention relates to the field of carbide slag utilization, in particular to low-cost recycling equipment for carbide slag in acetylene production.
Background
The residual carbide slag after the production of acetylene gas contains a certain amount of carbide slag and percolate, and also contains toxic and harmful substances such as sulfides, phosphides and the like, and is strong in alkalinity. The main components of the carbide slag are calcium hydroxide (the mass fraction is 90.1%), silicon oxide (the mass fraction is 3.5%), aluminum oxide (the mass fraction is 2.5%) and a small amount of impurities such as calcium carbonate, ferric oxide, magnesium oxide, titanium dioxide, carbon slag, calcium sulfide and the like. The carbide slag appears grey with a sharp smell.
At present, carbide slag is dried and reused mainly in an electric heating mode during carbide recovery, but the whole electric heating mode adopted consumes relatively more power, and the economic cost of use is relatively low.
Therefore, how to solve the above-mentioned drawbacks of the prior art is the subject of the present invention.
Disclosure of Invention
In order to solve the problems, the invention discloses low-cost recycling equipment for carbide slag in acetylene production.
In order to achieve the above purpose, the present invention provides the following technical solutions: the low-cost cyclic utilization equipment for carbide slag in acetylene production comprises a shell, wherein the inner cavity of the shell is divided by a partition plate to form a hot air cavity and an impeller cavity, the hot air cavity is communicated with the impeller cavity through an opening, a plurality of vortex tubes are arranged on the outer side of the shell corresponding to the hot air cavity, and hot end outlets of the vortex tubes are communicated with the hot air cavity;
a fan impeller is arranged in the impeller cavity, the fan impeller is driven by a motor to rotate, the bottom end of the impeller cavity is provided with an outlet end, and the outlet end is communicated with a uniform fan cover;
the baking cavity is arranged at the lower side of the shell corresponding to the hot air cavity and the impeller cavity, the uniform fan cover is positioned at the top end of the baking cavity, a plurality of heat radiation plates are uniformly distributed in the baking cavity along the length direction of the uniform fan cover, and gaps are reserved between the adjacent heat radiation plates.
In the above scheme, the shell is provided with a plurality of shells which are arranged at intervals along the same straight line, a heat source conveying pipe is arranged above the shells along the length direction of the shells, and the hot air cavity of each shell is respectively communicated with the heat source conveying pipe through a branch pipe.
In the above scheme, a product conveying belt is arranged in the hot air cavity of the shell in a penetrating manner along the length direction of the hot air cavity, and a plurality of raw material frames are arranged on the product conveying belt.
In the above scheme, the raw material frame comprises an outer frame, a plurality of roller groups are arranged in the outer frame from top to bottom, each roller group comprises a plurality of parallel electric rollers which are arranged at intervals, gaps are reserved between the adjacent electric rollers, and the gaps between the adjacent rollers in the roller groups are gradually reduced from top to bottom.
In the above scheme, the whole heat radiation plate is bent to be V-shaped, the opening of the heat radiation plate is downward, the heat radiation plate is a metal plate, and the bottom surface of the heat radiation plate is coated with an infrared coating layer.
In the above scheme, the product conveyer belt is the biserial conveyer belt, and the bottom between two conveyer belts of this biserial conveyer belt is provided with a collection cover along its length direction, and the surface coating of collection cover has non-stick coating.
The beneficial effects of the invention are as follows: the low-cost recycling equipment mainly uses the vortex tube to provide a heat source, one end of the vortex tube generates cold air flow when in operation, the other end of the vortex tube generates hot air flow, the generated hot air flow is used for baking carbide slag, and the generated cold air flow can be used for refrigerating other equipment, so that the working characteristics of the equipment are fully utilized, and the energy consumption of overall production is reduced; furthermore, a plurality of heat radiation plates are arranged in the baking cavity, and infrared heat radiation generated by each heat radiation plate after being heated can further cover the baking cavity area, so that the baking heating range of the baking cavity is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a cross-sectional view of a cartridge in an embodiment.
Detailed Description
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention.
Examples: referring to fig. 1-2, a low-cost recycling device for carbide slag in acetylene production comprises a shell 100, wherein a hot air cavity 101 and an impeller cavity 102 are formed in the inner cavity of the shell 100 by a partition plate, the shell 100 is of a hollow structure, and a rock wool heat preservation layer is filled in the shell 100, so that the heat preservation effect is achieved;
the hot air cavity 101 is communicated with the impeller cavity 102 through an opening, a plurality of vortex tubes 111 are arranged on the outer side of the shell 100 corresponding to the hot air cavity 101, and hot end outlets of the vortex tubes 111 are communicated with the hot air cavity 101; the vortex tube refrigeration is a refrigeration method which is characterized in that a high-speed air flow is made to generate vortex to separate cold air flow and hot air flow by virtue of the action of the vortex tube, and the cold air flow is utilized to obtain a refrigeration method; in particular use, the vortex tube 111 is in communication with the external compressed air via a conduit, which may produce a hot gas flow at its hot end.
A fan impeller 121 is arranged in the impeller cavity 102, the fan impeller 121 is driven by a motor to rotate, an outlet end is arranged at the bottom end of the impeller cavity 102, and the outlet end is communicated with a uniform fan cover 122; when the fan impeller 121 operates, hot air in the hot air cavity 101 is pumped out and conveyed into the air equalizing cover 122, the air equalizing cover 122 is a rectangular shell, a plurality of air outlet holes are uniformly distributed on the bottom surface of the air equalizing cover 122, and hot air firstly enters the inner cavity of the air equalizing cover 122 and then is blown out through the air outlet holes.
The lower sides of the shell 100, which correspond to the hot air cavity 101 and the impeller cavity 102, are provided with a baking cavity 103, a uniform fan cover 122 is positioned at the top end of the baking cavity 103, a plurality of heat radiating plates 123 are uniformly distributed in the baking cavity 103 along the length direction of the uniform fan cover 122, and gaps are reserved between the adjacent heat radiating plates 123.
When in drying operation, the vortex tube 111 is mainly used for providing a heat source, one end of the vortex tube 111 generates cold air flow when in operation, the other end generates hot air flow, the generated hot air flow is used for baking carbide slag, and the generated cold air flow can be used for refrigerating other equipment, so that the working characteristics of the cold air flow are fully utilized, and the energy consumption of overall production is reduced; further, a plurality of heat radiation plates 123 are disposed in the baking chamber 103, and infrared heat radiation generated by each heat radiation plate 123 after being heated can further cover the area of the baking chamber 103, thereby improving the baking heating range thereof.
In order to enrich the diversity of heat sources, the plurality of shells 100 are arranged at intervals along the same straight line, a heat source conveying pipe is arranged above the plurality of shells 100 along the length direction of the shells, the hot air cavity 101 of each shell 100 is respectively communicated with the heat source conveying pipe through a branch pipe, and when in use, other types of heat sources can be conveyed to the hot air cavity 101 through the branch pipe through the heat source conveying pipe for drying.
A product conveying belt 104 is arranged in the hot air cavity 101 of the shell 100 in a penetrating manner along the length direction of the product conveying belt 104, a plurality of raw material frames 141 are arranged on the product conveying belt 104, the raw material frames 141 are used for placing carbide slag, and during operation, the carbide slag placed on the raw material frames 141 is conveyed into the shell 100 through the product conveying belt 104 for drying.
The raw material frame 141 includes outer frame 142, be provided with a plurality of cylinder groups from top to bottom in this outer frame 142, all include a plurality of parallel interval arrangement's motorized pulley 143 in each cylinder group, leave the clearance between the motorized pulley 143, the clearance between the motorized pulley 143 in a plurality of cylinder groups reduces the setting by a step from top to bottom, leave the clearance between the motorized pulley 143 that is used for placing and holds carbide slag, on the one hand, the continuous rotation of motorized pulley 143 carries out reverse side rotation to the carbide slag and toasts, on the other hand, the cylinder group sets up a plurality ofly, and the clearance between the motorized pulley 143 in each cylinder group reduces the setting by a step from top to bottom, can play the screening effect, less carbide slag can fall into on the lower floor's cylinder group.
The heat radiation plate 123 is bent in a V shape as a whole, the opening of the heat radiation plate 123 is disposed downward, the heat radiation plate 123 is a metal plate, the bottom surface thereof is coated with an infrared coating layer, and the infrared coating layer is made by sintering existing refractory powder, transition metal oxide, blackening agent, sintering agent and suspending agent, and can generate heat radiation when heating so as to improve the baking effect.
The product conveyer belt 104 is the biserial conveyer belt, and the bottom between two conveyer belts of this biserial conveyer belt is provided with one along its length direction and collects cover 144, collects the surface coating of cover 144 and has non-stick coating, collects the cover 144 and can be used to the cell-phone foreign matter, and non-stick coating adopts the teflon coating, reducible adhesion of collecting cover 144 impurity, is convenient for clear up it.
It should be noted that the foregoing merely illustrates the technical idea of the present invention and is not intended to limit the scope of the present invention, and that a person skilled in the art may make several improvements and modifications without departing from the principles of the present invention, which fall within the scope of the claims of the present invention.

Claims (3)

1. Carbide slag low-cost cyclic utilization equipment in acetylene production, its characterized in that: the device comprises a shell (100), wherein a hot air cavity (101) and an impeller cavity (102) are formed in the inner cavity of the shell (100) by separation of a partition plate, the hot air cavity (101) is communicated with the impeller cavity (102) through an opening, a plurality of vortex tubes (111) are arranged at the outer side of the shell (100) corresponding to the hot air cavity (101), and hot end outlets of the vortex tubes (111) are communicated with the hot air cavity (101); a fan impeller (121) is arranged in the impeller cavity (102), the fan impeller (121) is driven by a motor to rotate, the bottom end of the impeller cavity (102) is provided with an outlet end, and the outlet end is communicated with a uniform fan cover (122);
the lower sides of the shell (100) corresponding to the hot air cavity (101) and the impeller cavity (102) are provided with a baking cavity (103), the uniform fan cover (122) is positioned at the top end of the baking cavity (103), a plurality of heat radiation plates (123) are uniformly distributed in the baking cavity (103) along the length direction of the uniform fan cover (122), and gaps are reserved between the adjacent heat radiation plates (123);
a product conveying belt (104) is arranged in the hot air cavity (101) of the shell (100) in a penetrating manner along the length direction of the hot air cavity, and a plurality of raw material frames (141) are arranged on the product conveying belt (104);
the raw material frame (141) comprises an outer frame (142), a plurality of roller groups are arranged in the outer frame (142) from top to bottom, each roller group comprises a plurality of parallel electric rollers (143) which are arranged at intervals, gaps are reserved between the adjacent electric rollers (143), and the gaps between the adjacent rollers (143) in the roller groups are gradually reduced from top to bottom;
the heat radiation plate (123) is bent in a V shape as a whole, the opening of the heat radiation plate (123) is arranged downwards, the heat radiation plate (123) is a metal plate, and the bottom surface of the heat radiation plate is coated with an infrared coating layer.
2. The low-cost recycling device for carbide slag in acetylene production according to claim 1, which is characterized in that: the hot air supply device is characterized in that a plurality of shells (100) are arranged, the shells (100) are arranged at intervals along the same straight line, a heat source conveying pipe is arranged above the shells (100) along the length direction of the shells, and the hot air cavities (101) of the shells (100) are respectively communicated with the heat source conveying pipe through a branch pipe.
3. The low-cost recycling device for carbide slag in acetylene production according to claim 1, which is characterized in that: the product conveyer belt (104) is a double-row conveyer belt, a collecting cover (144) is arranged at the bottom end between two conveyer belts of the double-row conveyer belt along the length direction of the double-row conveyer belt, and a non-stick coating is coated on the surface of the collecting cover (144).
CN202210460242.3A 2021-12-31 2022-04-28 Low-cost cyclic utilization equipment of carbide slag in acetylene production Active CN115031517B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111679075 2021-12-31
CN2021116790753 2021-12-31

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CN115031517A CN115031517A (en) 2022-09-09
CN115031517B true CN115031517B (en) 2024-02-20

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223850A (en) * 1975-08-18 1977-02-23 Toshinori Harada Treatment and disposal of raw sewage and industrial waste
JPH08206601A (en) * 1995-02-06 1996-08-13 Shinko Electric Co Ltd Vibrating screen
CN1137424A (en) * 1995-02-15 1996-12-11 森斯迪菲布雷托洛维沙有限公司 Method and apparatus for removing impurities from pulverized or chipped material, especially wood chip and fiber materials
WO2006000625A1 (en) * 2004-06-24 2006-01-05 Metso Panelboard Oy Apparatus for processing by, e.g., screening or scattering, particulate matter such as flakes and chips
CN101481225A (en) * 2009-01-31 2009-07-15 合肥水泥研究设计院 Predrying method for carbide slag
CN104677061A (en) * 2013-12-02 2015-06-03 湖州市千金宝云机械铸件有限公司 Ore drying device
CN110216058A (en) * 2019-05-23 2019-09-10 武汉科技大学 A kind of mineral granularity screening mechanism
CN209978519U (en) * 2019-04-24 2020-01-21 迈特多(江苏)生物技术有限公司 Fodder drying device based on vortex tube
CN211424986U (en) * 2019-07-02 2020-09-04 杭州职业技术学院 Automatic change drying-machine
CN211876683U (en) * 2020-03-26 2020-11-06 内蒙古霍煤鸿骏铝电有限责任公司 A high-efficient baking equipment for distributor

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223850A (en) * 1975-08-18 1977-02-23 Toshinori Harada Treatment and disposal of raw sewage and industrial waste
JPH08206601A (en) * 1995-02-06 1996-08-13 Shinko Electric Co Ltd Vibrating screen
CN1137424A (en) * 1995-02-15 1996-12-11 森斯迪菲布雷托洛维沙有限公司 Method and apparatus for removing impurities from pulverized or chipped material, especially wood chip and fiber materials
WO2006000625A1 (en) * 2004-06-24 2006-01-05 Metso Panelboard Oy Apparatus for processing by, e.g., screening or scattering, particulate matter such as flakes and chips
CN101481225A (en) * 2009-01-31 2009-07-15 合肥水泥研究设计院 Predrying method for carbide slag
CN104677061A (en) * 2013-12-02 2015-06-03 湖州市千金宝云机械铸件有限公司 Ore drying device
CN209978519U (en) * 2019-04-24 2020-01-21 迈特多(江苏)生物技术有限公司 Fodder drying device based on vortex tube
CN110216058A (en) * 2019-05-23 2019-09-10 武汉科技大学 A kind of mineral granularity screening mechanism
CN211424986U (en) * 2019-07-02 2020-09-04 杭州职业技术学院 Automatic change drying-machine
CN211876683U (en) * 2020-03-26 2020-11-06 内蒙古霍煤鸿骏铝电有限责任公司 A high-efficient baking equipment for distributor

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