CN102221284A - Rolling type coal drying and upgrading experimental device - Google Patents

Rolling type coal drying and upgrading experimental device Download PDF

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Publication number
CN102221284A
CN102221284A CN2011101008967A CN201110100896A CN102221284A CN 102221284 A CN102221284 A CN 102221284A CN 2011101008967 A CN2011101008967 A CN 2011101008967A CN 201110100896 A CN201110100896 A CN 201110100896A CN 102221284 A CN102221284 A CN 102221284A
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CN
China
Prior art keywords
described
drying
drying tube
base
tube
Prior art date
Application number
CN2011101008967A
Other languages
Chinese (zh)
Inventor
姜英
邵徇
韩锦德
盛明
白向飞
罗陨飞
连进京
刘明锐
Original Assignee
煤炭科学研究总院
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Application filed by 煤炭科学研究总院 filed Critical 煤炭科学研究总院
Priority to CN2011101008967A priority Critical patent/CN102221284A/en
Publication of CN102221284A publication Critical patent/CN102221284A/en

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Abstract

The invention discloses a rolling type coal drying and upgrading experimental device, which comprises a support base, a movable base, a tubular furnace and a feeder, wherein the movable base is arranged on the support base; the tubular furnace is arranged on the movable base; a drying tube is arranged in the tubular furnace; both ends of the drying tube are arranged outside the tubular furnace; an annular cavity is formed between the drying tube and the tubular furnace; the drying tube is rotationally connected with the movable base; the inlet end of the drying tube is hermetically connected with the feeder; the outlet end of the drying tube is hermetically connected with a material box; and the drying tube and the feeder are connected with a rotating motor. The experimental device provides an experimental platform for the quantitative research of the influence of factors such as temperature, drying time, material granularity, material quantity, drying atmosphere and the like on lignite drying and upgrading results, provides a platform for the development of a new lignite drying and upgrading process, and provides a platform for the basic research of industrial devices.

Description

Roller coal drying and upgrading experimental provision

Technical field

The present invention relates to a kind of roller coal drying and upgrading experimental provision.

Background technology

In recent years, domestic a lot of mechanism is all in the research of carrying out brown coal dehydration process for upgrading and the exploitation of equipment.Wherein more by the process for upgrading research that removes brown coal moisture, and less to make brown coal that the technical study of slight destructive distillation takes place by the depth drying upgrading.Not only removed the moisture in the brown coal through the brown coal after the slight destructive distillation, and, sealed part pore in the brown coal, weakened the revert to take drugs influence of moisture of brown coal after the upgrading, reduced the possibility of dry back brown coal spontaneous combustion because slight destructive distillation has taken place.At present, domestic research to the upgrading of brown coal depth drying is less, and more the experimental facilities of destructive distillation in various degree takes place for the upgrading of the shortage research brown coal degree of depth, brown coal.Research, development ﹠ construction roller coal drying and upgrading experimental provision can provide experimental provision for exploring this type of technology path, and for studying the various conditions that influence the slight destructive distillation of brown coal, the basic research of development of new brown coal drying and upgrading technology provides experiment porch.

Summary of the invention

The purpose of this invention is to provide a kind of roller coal drying and upgrading experimental provision.

A kind of roller coal drying and upgrading experimental provision provided by the invention comprises base for supporting, mobile base, tube furnace and dispenser; Described mobile base is located on the described base for supporting; Described tube furnace is located on the described mobile base; Be provided with drying tube in the described tube furnace, the two ends of described drying tube are located at outside the described tube furnace, are provided with ring cavity between described drying tube and the described tube furnace; Be connected in revolvable mode between described drying tube and the described mobile base; The arrival end of described drying tube and described dispenser are tightly connected; The port of export and the body feed tank of described drying tube are tightly connected; Described drying tube all links to each other with rotary electric machine with described dispenser.

In the above-mentioned experimental provision, the material of described drying tube can be stainless steel alloy material.

In the above-mentioned experimental provision, an end of described base for supporting is connected in revolvable mode with an end of described mobile base, and the other end of described base for supporting and the other end of described mobile base are separated; Be provided with the leading screw linkage between described base for supporting and the described mobile base; By regulating the leading screw in the described leading screw linkage and the position of connecting rod, when the relative position of described leading screw and connecting rod changed, described link supports played described mobile base, and described mobile base is rotated.

In the above-mentioned experimental provision, by regulating described leading screw linkage, the angle of inclination between described base for supporting and the described mobile base can change in 0 ° of-40 ° of scope.

In the above-mentioned experimental provision, can be connected by bearing between described drying tube and the described mobile base, to reduce the resistance of described drying tube at time rotational.

In the above-mentioned experimental provision, can be connected the fulcrum when can be used as described mobile base rotation between described base for supporting and the described mobile base by bearing.

In the above-mentioned experimental provision, described dispenser can be screw feeder; Described dispenser is provided with the two-part hopper, can guarantee the sealing of described experimental provision, and the material in described two sections hoppers can play the effect of sealing, stop the gas that produces in the dry run in the charge door of described dispenser to outside overflow; Described dispenser is provided with visual windows, is used for checking whether material to be dried in the process of carrying situations such as obstruction takes place, with the rotating speed of described drying tube of timely adjustment and described dispenser.

In the above-mentioned experimental provision, be connected by mechanical sealing flange between described drying tube and the described dispenser; Be connected by mechanical sealing flange between described dispenser and the described rotary electric machine, guarantee that material does not come in contact with outside air in the drying and upgrading process.

In the above-mentioned experimental provision, be provided with bend pipe between the port of export of described drying tube and the body feed tank; Be connected by mechanical sealing flange between described drying tube and the described bend pipe; Be connected by sealing flange between described bend pipe and the body feed tank, guarantee that material does not come in contact with outside air in dry run.

In the above-mentioned experimental provision, be provided with some baffle plates in the radial direction along it in the chamber of described drying tube; Be provided with spacing between the described baffle plate, the angle between the adjacent described baffle plate can be 120 °; Described baffle plate can be 10, and described baffle plate plays dispersed material and makes the effect of uniformity of temperature profile in the described drying tube; The material of described baffle plate can be stainless steel.

In the above-mentioned experimental provision, can be provided with 4 universal wheels on the described base for supporting, wherein two described universal wheels can have fixture, make things convenient for moving and fixing of equipment.

Roller coal drying and upgrading experimental provision provided by the invention can be in accurate angle of regulating between described base for supporting and the described mobile base between 0 °~40 °; The rotating speed of described rotary electric machine, screw feeder can be regulated within the specific limits; Can avoid material to contact in the dry run with outside air.This experimental provision provides experiment porch for factors such as quantitative study temperature, drying time, raw meal particle size, inventory, dry atmosphere to brown coal drying and upgrading result's influence, provide platform for developing new brown coal drying and upgrading process route, for the basic research of commercial plant provides platform.

Description of drawings

Fig. 1 is the structural representation of rolling coal drying and upgrading experimental provision of the present invention.

Each mark is as follows among the figure: 1 base for supporting, 2 mobile base, 3 tube furnaces, 4 screw feeders, 5 drying tubes, 6,7,8 mechanical sealing flanges, 9,10 rotary electric machines, 11 visual windows, 12 sealing flanges, 13 body feed tanks, 14 universal wheels, 15 leading screws, 16 connecting rods, 17 lug wrenches, 18 shaft couplings, 19 bridge pieces, 20 two-part hoppers.

The specific embodiment

The present invention will be further described below in conjunction with embodiment, but the present invention is not limited to following examples.

Roll-drying experimental provision provided by the invention comprises base for supporting 1, mobile base 2, tube furnace 3 and screw feeder 4; 4 universal wheels 14 are installed on the base for supporting 1, and wherein, 2 universal wheels 14 have fixture, can make things convenient for moving and fixing of this device; One end of mobile base 2 is connected by the bearing (not shown) of weighing with an end of base for supporting 1, fulcrum when this bearing of weighing rotates as mobile base 2, the other end of the other end of base for supporting 1 and mobile base 2 is separated, be provided with the leading screw linkage between base for supporting 1 and the mobile base 2, this leading screw linkage comprises leading screw 15 and the connecting rod 16 that flexibly connects with it, regulate the position of connecting rod 16 and leading screw 15 by the lug wrench 17 of leading screw 15 ends, when the position of the two changes, connecting rod 16 supports mobile base 2, making mobile base 2 is that fulcrum rotates with the bearing of weighing, lug wrench 17 can clockwise or rotate counterclockwise, regulate the relative position of connecting rod 16 and leading screw 15, can make angle between base for supporting 1 and the mobile base 20 ° of-40 ° of inner conversion; Be provided with stainless steel drying tube 5 in the tube furnace 3, the two ends of drying tube 5 are located at outside the tube furnace 3, are provided with ring cavity between drying tube 5 and the tube furnace 3; Be connected (not shown) by bearing between drying tube 5 and the mobile base 2, guarantee that drying tube 5 is less at the time rotational resistance; The arrival end of drying tube 5 and screw feeder 4 are tightly connected by mechanical sealing flange 6, enter in this drying tube 5 to prevent air; Drying tube 5 links to each other with rotary electric machine 9; One end of screw feeder 4 is by mechanical sealing flange 7 sealings, and the end of its helical axis is stretched out the back and linked to each other with rotary electric machine 10 by shaft coupling 18; Screw feeder 4 has been provided with two-part hopper 20, and the materials in this two-part hopper 20 can play the effect of sealing, stop the gas that produces in the dry run in the charge door to outside overflow; Screw feeder 4 is provided with visual windows 11, is used for checking whether material in the process of carrying situations such as obstruction takes place, so that in time adjust charging rate and rotary speed; Be provided with 10 stainless steel baffle plate (not shown)s in the radial direction along it in the chamber of drying tube 5, be provided with spacing 30mm between the every baffle plate; Angle between the adjacent screen is 120 °, can play dispersed material and the effect that makes uniformity of temperature profile in the drying tube 5; The port of export of drying tube 5 links to each other with body feed tank 13 by bridge piece 19, and drying tube 5 is tightly connected by mechanical sealing flange 8 with bridge piece 19, and bridge piece 19 links to each other by sealing flange 12 sealings with body feed tank 13.

In the above-mentioned drying device, the quantity of baffle plate and adjacent angle can be regulated by changing drying tube 5 as required; The charging rate of the rotating speed of drying tube 5 and screw feeder 4 can be regulated as required.

When using above-mentioned roll-drying device, at first, the angle between base for supporting 1 and the mobile base 2 is transferred to a certain fixed angle between 0 °~40 °; The temperature adjusting of tube furnace 3 is arrived the temperature that needs, to (promptly remove the partly or entirely material of outer water through pre-dried material then, can carry out drying by existing drying device, or carry out drying by other drying device and handle) be added in the screw feeder 4, material will be full of two-part hopper 20, to play the effect of sealing; Simultaneously, start rotary electric machine 10, screw feeder 4 is transported to material equably carries out drying in the drying tube 5; Simultaneously, start rotary electric machine 9, make drying tube 5 with certain rotating speed rotation, then material glides under the gravity effect, slides to down at last to collect in the body feed tank 13 to obtain dried material; Except that physical change takes place (remove water in the part, interior water is the difficult moisture that removes in the material) takes place in material in drying tube 5, chemical change (slight destructive distillation) to a certain degree also takes place.

Claims (10)

1. roller coal drying and upgrading experimental provision, described experimental provision comprises base for supporting, mobile base, tube furnace and dispenser; Described mobile base is located on the described base for supporting; Described tube furnace is located on the described mobile base; It is characterized in that: be provided with drying tube in the described tube furnace, the two ends of described drying tube are located at outside the described tube furnace, are provided with ring cavity between described drying tube and the described tube furnace; Be connected in revolvable mode between described drying tube and the described mobile base; The arrival end of described drying tube and described dispenser are tightly connected; The port of export and the body feed tank of described drying tube are tightly connected; Described drying tube all links to each other with rotary electric machine with described dispenser.
2. drying experimental device according to claim 1 is characterized in that: an end of described base for supporting is connected in revolvable mode with an end of described mobile base, and the other end of described base for supporting and the other end of described mobile base are separated; Be provided with the leading screw linkage between described base for supporting and the described mobile base.
3. drying experimental device according to claim 2 is characterized in that: the angle of inclination between described base for supporting and the described mobile base is 0 °-40 °.
4. according to arbitrary described drying experimental device among the claim 1-3, it is characterized in that: be connected by bearing between described drying tube and the described mobile base.
5. according to arbitrary described drying experimental device among the claim 2-4, it is characterized in that: be connected by bearing between described base for supporting and the described mobile base.
6. according to arbitrary described drying experimental device among the claim 1-5, it is characterized in that: described dispenser is a screw feeder; Described dispenser is provided with the two-part hopper; Described dispenser is provided with visual windows.
7. according to arbitrary described drying experimental device among the claim 1-6, it is characterized in that: be connected by mechanical sealing flange between described drying tube and the described dispenser; Be connected by mechanical sealing flange between described dispenser and the described rotary electric machine.
8. according to arbitrary described drying experimental device among the claim 1-7, it is characterized in that: be provided with bend pipe between the port of export of described drying tube and the body feed tank; Be connected by mechanical sealing flange between described drying tube and the described bend pipe; Be connected by sealing flange between described bend pipe and the described body feed tank.
9. according to arbitrary described drying experimental device among the claim 1-8, it is characterized in that: be provided with some baffle plates in the radial direction along it in the chamber of described drying tube; Be provided with spacing between the described baffle plate.
10. according to arbitrary described drying experimental device among the claim 1-9, it is characterized in that: described base for supporting is provided with universal wheel.
CN2011101008967A 2011-04-21 2011-04-21 Rolling type coal drying and upgrading experimental device CN102221284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101008967A CN102221284A (en) 2011-04-21 2011-04-21 Rolling type coal drying and upgrading experimental device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101008967A CN102221284A (en) 2011-04-21 2011-04-21 Rolling type coal drying and upgrading experimental device

Publications (1)

Publication Number Publication Date
CN102221284A true CN102221284A (en) 2011-10-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2343554Y (en) * 1998-09-23 1999-10-13 新疆石河子种子公司 Seed drier capable of freely regulating helix angle of drum
JP2002005571A (en) * 2000-06-22 2002-01-09 Ricoh Co Ltd Apparatus and method for drying by heating and method for heating and burning carrier particles
CN2703240Y (en) * 2004-06-30 2005-06-01 咸宁市咸安科隆粮油食品机械厂 Environment protection energy-saving automatic controlling temperature rotary drum type baking and frying machine
CN101870548A (en) * 2009-04-27 2010-10-27 上海环保工程成套有限公司 Sludge stirring and granulating rotary drying device
CN201748773U (en) * 2010-09-07 2011-02-16 戴文育 Quick dehydration dryer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2343554Y (en) * 1998-09-23 1999-10-13 新疆石河子种子公司 Seed drier capable of freely regulating helix angle of drum
JP2002005571A (en) * 2000-06-22 2002-01-09 Ricoh Co Ltd Apparatus and method for drying by heating and method for heating and burning carrier particles
CN2703240Y (en) * 2004-06-30 2005-06-01 咸宁市咸安科隆粮油食品机械厂 Environment protection energy-saving automatic controlling temperature rotary drum type baking and frying machine
CN101870548A (en) * 2009-04-27 2010-10-27 上海环保工程成套有限公司 Sludge stirring and granulating rotary drying device
CN201748773U (en) * 2010-09-07 2011-02-16 戴文育 Quick dehydration dryer

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Application publication date: 20111019

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