CN113503708B

CN113503708B - Pneumatic environment-friendly coal particle drying equipment

Info

Publication number: CN113503708B
Application number: CN202111055321.8A
Authority: CN
Inventors: 张建国; 陈国荣
Original assignee: Haimen Xinghong Environmental Protection Technology Co Ltd
Current assignee: HAIMEN DADE INTELLECTUAL PROPERTY SERVICE CO.,LTD.
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-12
Anticipated expiration: 2041-09-09
Also published as: CN113503708A

Abstract

The invention discloses pneumatic environment-friendly coal particle drying equipment, which belongs to the technical field of coal drying, and can be used for flatly paving coal particles on an oil-filled chuck, forcing the coal particles to shrink-expand under the action of air flow of hot air introduced into an air inlet box, simultaneously heating heat-conducting oil on the inner side, extruding the heat-conducting oil when the lower end of the oil-filled chuck shrinks, then forcing the heated heat-conducting oil to be filled into an extension oil pipe, forcing the extension oil pipe to extend and contact in the coal particles, promoting the coal particles to be turned over in a small scale and simultaneously drying the coal particles in a contact mode, simultaneously utilizing the control action of an electromagnet on a suction turning ball to continuously embed the coal particles in the coal particles and then lift the coal particles to be turned over in a large scale, enabling evaporated water vapor to escape into an air outlet box and then be taken away by the hot air, thereby ensuring the efficient drying of the coal particles, meanwhile, the water vapor can be carried away in time, and small particles and dust are not easy to be mixed.

Description

Pneumatic environment-friendly coal particle drying equipment

Technical Field

The invention relates to the technical field of coal drying, in particular to pneumatic environment-friendly coal particle drying equipment.

Background

The coal drying process is a special technical measure for preparing coking coal by drying the charged coal in advance to reduce the moisture content to below 6% and then charging the coal. Has the effects of stabilizing the operation of the coke oven, improving the mechanical strength of cementing, reducing the heat consumption of coking and the like.

The current drying mode is mainly a heating and drying mode, evaporated moisture in coal is taken away by hot air through heat transfer, the used drying carrier is a roller, in the rotating process of the roller, heat transfer is carried out on the coal through the inner wall of the roller, meanwhile, the rolling roller can turn over the coal, and then the coal can be in contact with the coal as uniformly as possible.

However, in the rolling process of the existing roller to coal, the coal is still accumulated at the bottom in a large amount due to the influence of gravity, the lifting height in the coal turning process is limited, the turning amplitude is small, especially when the humidity is large, the coal is adhered together, the lifting height of the coal is lower, the drying effect is further influenced, and meanwhile, the coal can be separated into small particles and dust by hot air and the small particles and the dust can be brought into the atmosphere, so that the environment can be polluted.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide pneumatic environment-friendly coal particle drying equipment, which can be used for flatly paving coal particles on an oil-filled chuck, forcing the coal particles to shrink-expand by utilizing the airflow action of hot air introduced into an air inlet box, simultaneously heating heat conduction oil on the inner side, extruding the heat conduction oil when the lower end of the oil-filled chuck shrinks, then forcing the heated heat conduction oil to be filled into an extension oil pipe, forcing the extension oil pipe to extend and contact the coal particles, promoting the coal particles to turn over in a small scale and simultaneously drying the coal particles in a contact manner, simultaneously utilizing the control action of an electromagnet on a suction turning ball to continuously embed the coal particles into the coal particles and then lift the coal particles in a large scale, enabling evaporated water vapor to escape into an air outlet box and then be taken away by hot air, and ensuring the efficient drying of the coal particles, meanwhile, the water vapor can be carried away in time, and small particles and dust are not easy to be mixed.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a pneumatic environment-friendly coal granule drying equipment, includes the air inlet box, air inlet box upper end fixedly connected with holds the material frame, hold material frame upper end fixedly connected with play wind box, the fresh air inlet that is linked together with holding the material frame is seted up in air inlet box upper end left side, go out wind box lower extreme and set up with holding material frame assorted exhaust vent, the oil filling (holding) chuck that is connected with a plurality of evenly distributed is inlayed to air inlet box upper end, many evenly distributed's of oil filling (holding) chuck upper end fixedly connected with extend oil pipe, and extend oil pipe and be linked together with the oil filling (holding) chuck, the intussuseption of oil filling (holding) chuck is filled with the conduction oil, coal granule has been laid on the oil filling (holding) chuck, the top fixedly connected with distribution platform in the air outlet box, air outlet box upper end fixed mounting has the electro-magnet, distribution platform lower extreme adsorbs has a plurality of evenly distributed's attraction to turn over the ball.

Further, the oil charge (holding) chuck is including food tray, connecting pipe and last food tray down, food tray fixed connection is on the top in the air inlet box down, go up food tray fixed connection in air inlet box upper end, connecting pipe fixed connection is in food tray and last between the oil tray down, utilizes hot air current's unstable effect, can be so that the continuous shrink and the inflation of food tray down, in passing through the connecting pipe with last the oil tray and crowding into to extending the oil pipe with the conduction oil when the shrink, force it to extend and contact coal granule and turn, can withdraw the conduction oil when the inflation and heat the supplementary heat.

Furthermore, the upper oil tray is made of hard heat conduction materials, and the extension oil pipe is made of flexible heat conduction materials.

Further, the food tray includes that pneumatic membrane, a plurality of gather hot piece and many elasticity prop the silk down, gather the hot piece and evenly cover in pneumatic membrane lower surface, elasticity props silk fixed connection and gathers between hot piece and the air inlet box, gathers the heat that the hot piece can be better absorption hot-blast then transmits to the conduction oil, and elasticity props the silk and then plays the effect of supplementary pneumatic membrane recovery shape.

Furthermore, the pneumatic membrane is made of elastic heat conduction materials, and the heat collecting sheet is made of hard heat conduction materials.

Further, the distribution table increases along the direction that is close to the export of air-out box thickness gradually, and the distribution table lower surface is uneven for the electro-magnet is when adsorbing and attracting the ball turn-over, attracts the ball turn-over and can be the trend that descends gradually and distribute, and hot-blast can fully blow the stoving to a plurality of ball turns-over that attract when the process, realizes the high drying to attracting the ball turn-over, is difficult for appearing the phenomenon that blocks each other on the coplanar.

Furthermore, the suction turning ball comprises a touch material shell, a suction inner core and a fluff layer, wherein the suction inner core is filled inside the touch material shell, the fluff layer covers the outer surface of the touch material shell, the touch material shell can increase the volume of the suction turning ball, meanwhile, the suction turning ball cannot be greatly damaged when falling, a good turning effect is achieved when the suction turning ball rises after coal particles are buried, the fluff layer can absorb moisture on the surfaces of the coal particles, and then the suction turning ball rises to the lower surface of the distribution table and is blown and dried by hot air.

Furthermore, the touch material shell is made of a light buffer material, the attraction inner core is a mixture of iron powder and air, the fluff layer is made of hygroscopic fibers, the attraction inner core can effectively reduce weight, and the attraction inner core can be attracted by the electromagnet and the extension oil pipe.

Further, it includes flexible body, magnetism cladding and a plurality of setting short column to extend oil pipe, magnetism cladding parcel is kept away from the one end of oil charge (holding) chuck in flexible body, setting short column evenly inlays in flexible body inboardly, magnetism cladding can and attract each other between the ball of turning over, both make things convenient for flexible body to carry out effectual extension in coal granule, conveniently attract the ball of turning over simultaneously and can sink when falling to coal granule and bury for attract ball of turning over and flexible body all can be fully with the contact of coal granule, thereby realize the effect of moisture absorption and heating respectively.

Furthermore, the flexible pipe body is made of flexible heat conduction materials, the shaping short column is made of hard materials, a through hole channel is formed in the center of the shaping short column, the shaping short column can provide space for flowing and filling of heat conduction oil, and the phenomenon of fault caused by extrusion of coal particles is not prone to occurring.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the proposal can be realized by spreading coal particles on the oil-filled chuck plate, forcing the coal particles to shrink-expand by the action of the air flow of hot air introduced into the air inlet box, and heating the heat-conducting oil at the inner side, the heat conducting oil is extruded when the lower end of the oil-filled chuck contracts, then the heated heat conducting oil is forced to be filled into the extension oil pipe, the extension oil pipe is forced to extend and contact in the coal particles, the coal particles are promoted to be turned over in a small scale and simultaneously are dried in a contact manner, meanwhile, the electromagnet is used for controlling the attraction turning ball to be continuously embedded into the coal particles and then lifted to turn over in a large scale, and the evaporated water vapor can escape into the air outlet box, then is taken away by hot air, thereby not only ensuring the high-efficiency drying of the coal particles, but also bringing away the water vapor and not easily mixing with small particles and dust.

(2) Oil charge (holding) chuck is including lower food tray, connecting pipe and last food tray, food tray fixed connection is on the top in the air inlet box down, go up food tray fixed connection in air inlet box upper end, connecting pipe fixed connection is under between food tray and the last food tray, utilize the unstable action of hot air current, can be so that the continuous shrink and the inflation of food tray down, pass through the connecting pipe with the last food tray when the shrink with the conduction oil and crowd to extending in the oil pipe, force it to extend contact coal granule and turn, can withdraw the conduction oil and heat the supplementary heat.

(3) The food tray includes that pneumatic membrane, a plurality of heat of gathering and many elasticity prop the silk down, gathers the heat piece and evenly covers in pneumatic membrane lower surface, and elasticity props silk fixed connection and gathers between heat piece and the air inlet box, gathers the heat in the absorption hot-blast that the heat piece can be better then transmits to the conduction oil, and elasticity props the silk then plays the effect of supplementary pneumatic membrane recovery shape.

(4) The suction turning ball comprises a contact material shell, a suction inner core and a fluff layer, wherein the suction inner core is filled in the inner side of the contact material shell, the fluff layer covers the outer surface of the contact material shell, the contact material shell can increase the volume of the suction turning ball, meanwhile, the suction turning ball cannot be greatly damaged when falling, a good turning effect is achieved when the suction turning ball rises after being buried in coal particles, the fluff layer can absorb moisture on the surfaces of the coal particles, and then the suction turning ball is blown and dried by hot air when rising to the lower surface of the distribution table.

(5) Extend oil pipe and include the flexible body, magnetism is inhaled the covering and a plurality of setting short column, magnetism is inhaled the covering and is wrapped up in the flexible body and keep away from the one end of oil charge (holding) chuck, setting short column evenly inlays inboard in the flexible body, magnetism is inhaled the covering and can and attracts to turn over between the ball and adsorb each other, both make things convenient for the flexible body to carry out effectual extension in coal granule, conveniently attract simultaneously to turn over the ball and can sink when falling to the coal granule on and bury, make and attract to turn over ball and flexible body and all can be fully with the contact of coal granule, thereby realize the effect of moisture absorption and heating respectively.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the present invention before drying;

FIG. 3 is a schematic view of the present invention in a dry configuration;

FIG. 4 is a schematic structural view of the oil-filled chuck of the present invention in a normal state;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

FIG. 6 is a schematic structural diagram of the oil-filled chuck of the present invention in an oil-filled state;

FIG. 7 is a schematic structural view of an extension pipe of the present invention;

FIG. 8 is a schematic view of the extension tubing configuration of the present invention as it is extended;

FIG. 9 is a schematic view of the structure of the present invention when the ball is turned over;

fig. 10 is a schematic structural diagram of the prior art.

The reference numbers in the figures illustrate:

1 air inlet box, 2 material bearing frame, 3 air outlet box, 4 electromagnet, 5 oil charging chuck, 51 oil discharging disc, 511 pneumatic membrane, 512 heat collecting sheet, 513 elastic supporting wire, 52 connecting pipe, 53 oil feeding disc, 6 distribution table, 7 suction turning ball, 71 material contacting shell, 72 suction inner core, 73 fluff layer, 8 extending oil pipe, 81 flexible pipe body, 82 magnetic suction cladding layer and 83 shaping short column.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an air-operated environment-friendly coal particle drying apparatus comprises an air inlet box 1, wherein the upper end of the air inlet box 1 is fixedly connected with a material bearing frame 2, the upper end of the material bearing frame 2 is fixedly connected with an air outlet box 3, the left side of the upper end of the air inlet box 1 is provided with an air inlet communicated with the material bearing frame 2, the lower end of the air outlet box 3 is provided with an air outlet matched with the material bearing frame 2, the upper end of the air inlet box 1 is embedded and connected with a plurality of uniformly distributed oil-filled chucks 5, the upper end of the oil-filled chucks 5 is fixedly connected with a plurality of uniformly distributed extension oil pipes 8, and the extension oil pipe 8 is communicated with the oil-filled chuck 5, the oil-filled chuck 5 is filled with heat conducting oil, coal particles are laid on the oil-filled chuck 5, the top end in the air outlet box 3 is fixedly connected with a distribution table 6, the upper end of the air outlet box 3 is fixedly provided with an electromagnet 4, and the lower end of the distribution table 6 is adsorbed with a plurality of uniformly distributed attraction turning balls 7.

Referring to fig. 4, the oil-filled chuck 5 includes a lower oil pan 51, a connecting pipe 52 and an upper oil pan 53, the lower oil pan 51 is fixedly connected to the top end of the air inlet box 1, the upper oil pan 53 is fixedly connected to the upper end of the air inlet box 1, the connecting pipe 52 is fixedly connected between the lower oil pan 51 and the upper oil pan 53, the lower oil pan 51 can be continuously contracted and expanded by using the unstable action of hot air flow, the heat conducting oil is extruded into the extension oil pipe 8 through the connecting pipe 52 and the upper oil pan 53 during contraction, so that the heat conducting oil is forced to extend and contact coal particles and turn over, and the heat conducting oil can be recovered for heating and supplementing heat during expansion.

It should be noted that the contraction-expansion action of the oil pan 51 can be realized by manually controlling the intake of hot air, and the drying effect and efficiency can be further improved.

The oil feeding disc 53 is made of hard heat conduction material, and the extension oil pipe 8 is made of flexible heat conduction material.

Referring to fig. 5-6, the oil feeding tray 51 includes a pneumatic membrane 511, a plurality of heat collecting plates 512, and a plurality of elastic supporting wires 513, the heat collecting plates 512 uniformly cover the lower surface of the pneumatic membrane 511, the elastic supporting wires 513 are fixedly connected between the heat collecting plates 512 and the air inlet box 1, the heat collecting plates 512 can better absorb heat in hot air and then transfer the heat to heat conducting oil, and the elastic supporting wires 513 play a role in assisting the pneumatic membrane 511 in recovering the shape.

The pneumatic membrane 511 is made of elastic heat conducting materials, and the heat collecting sheet 512 is made of hard heat conducting materials.

The distribution platform 6 increases along the thickness gradually in the direction that is close to the export of air-out box 3, and the 6 lower surface unsmooth of distribution platform for electro-magnet 4 attracts ball 7 when adsorbing and attracts ball 7, attracts ball 7 to be the trend that descends gradually and distributes, and hot-blast can fully blow the stoving to a plurality of ball 7 that attract when the process, realizes the high drying of attracting ball 7, the difficult phenomenon that blocks each other in the coplanar that appears.

Referring to fig. 9, the suction turning ball 7 includes a touch material housing 71, a suction inner core 72 and a fluff layer 73, the suction inner core 72 is filled inside the touch material housing 71, the fluff layer 73 covers the outer surface of the touch material housing 71, the touch material housing 71 can increase the volume of the suction turning ball 7 without causing large damage to the touch material when the touch material housing is dropped, and has a good turning effect when the touch material housing is lifted after coal particles are buried, and the fluff layer 73 can absorb moisture on the surfaces of the coal particles and then is blown and dried by hot air when the touch material housing is lifted to the lower surface of the distribution table 6.

The touch material shell 71 is made of a light buffer material, the attraction inner core 72 is a mixture of iron powder and air, the fluff layer 73 is made of hygroscopic fibers, the attraction inner core 72 can effectively reduce the weight and can be attracted by the electromagnet 4 and the extension oil pipe 8, and the specific amount of the iron powder is determined after debugging by technicians, so that the coal particles are not cracked after falling.

Referring to fig. 7-8, the extension oil pipe 8 includes a flexible pipe 81, a magnetic absorption layer 82 and a plurality of shaping short columns 83, the magnetic absorption layer 82 is wrapped at one end of the flexible pipe 81 far from the oil-filled chuck 5, the shaping short columns 83 are uniformly embedded inside the flexible pipe 81, the magnetic absorption layer 82 can be mutually adsorbed with the attraction turning ball 7, which not only facilitates the flexible pipe 81 to effectively extend in the coal particles, but also facilitates the attraction turning ball 7 to sink and embed when falling onto the coal particles, so that the attraction turning ball 7 and the flexible pipe 81 can be fully contacted with the coal particles, thereby respectively realizing the moisture absorption and heating effects.

The flexible pipe body 81 is made of flexible heat conducting materials, the shaping short column 83 is made of hard materials, a through hole channel is formed in the center, the shaping short column 83 can provide space for flow filling of heat conducting oil, and the phenomenon of fault caused by extrusion of coal particles is not prone to occurring.

It is noted that the size of the suction turning ball 7 is smaller than that of the coal particles, and the distance between the adjacent shaped stubs 83 is approximately 1/5-1/3 of the particle size of the coal particles.

The invention can be used for flatly paving coal particles on an oil-filled chuck 5, forcing the coal particles to shrink-expand by utilizing the airflow action of hot air introduced into an air inlet box 1, simultaneously heating heat conducting oil on the inner side, extruding the heat conducting oil when the lower end of the oil-filled chuck 5 shrinks, then forcing the heated heat conducting oil to be filled into an extension oil pipe 8, forcing the extension oil pipe 8 to extend and contact in the coal particles, promoting the coal particles to be turned over in a small scale and simultaneously drying the coal particles in a contact manner, simultaneously utilizing the control action of an electromagnet 4 on an attraction turning ball 7 to enable the coal particles to be continuously embedded into the coal particles and then to rise to be turned over in a large scale, and enabling the evaporated water vapor to escape into an air outlet box 3 and then to be taken away by the hot air, thereby ensuring the coal particles to be efficiently dried, and simultaneously carrying away the water vapor without being mixed with small particles and dust, this is because hot air is mainly concentrated in the air inlet box 1 and the air outlet box 3, and is not directly directed at coal particles for drying, and the main function of the hot air is to drive the oil pan 51 and provide heat, and take away evaporated water vapor.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a pneumatic environment-friendly coal granule drying equipment which characterized in that: the air inlet box comprises an air inlet box (1), wherein the upper end of the air inlet box (1) is fixedly connected with a material bearing frame (2), the upper end of the material bearing frame (2) is fixedly connected with an air outlet box (3), the left side of the upper end of the air inlet box (1) is provided with an air inlet communicated with the material bearing frame (2), the lower end of the air outlet box (3) is provided with an air outlet matched with the material bearing frame (2), the upper end of the air inlet box (1) is connected with a plurality of uniformly distributed oil-filled chucks (5) in an embedded manner, the upper end of each oil-filled chuck (5) is fixedly connected with a plurality of uniformly distributed extension oil pipes (8), the extension oil pipes (8) are communicated with the oil-filled chucks (5), heat conducting oil is filled in the oil-filled chucks (5), coal particles are laid on the oil-filled chucks (5), the top end of the air outlet box (3) is fixedly connected with a distribution table (6), and the upper end of the air outlet box (3) is fixedly provided with an electromagnet (4), the oil-filled oil pan is characterized in that a plurality of attraction turning balls (7) which are uniformly distributed are adsorbed at the lower end of the distribution table (6), the oil-filled oil pan (5) comprises a lower oil pan (51), a connecting pipe (52) and an upper oil pan (53), the lower oil pan (51) is fixedly connected to the inner top end of the air inlet box (1), the upper oil pan (53) is fixedly connected to the upper end of the air inlet box (1), the connecting pipe (52) is fixedly connected between the lower oil pan (51) and the upper oil pan (53), the lower oil pan (51) comprises a pneumatic membrane (511), a plurality of heat collecting sheets (512) and a plurality of elastic supporting wires (513), the heat collecting sheets (512) uniformly cover the lower surface of the pneumatic membrane (511), the elastic supporting wires (513) are fixedly connected between the heat collecting sheets (512) and the air inlet box (1), and the attraction turning balls (7) comprise a contact material shell (71), an attraction inner core (72) and a fluff layer (73), the material contact shell (71) is filled with the attraction inner core (72), the fluff layer (73) covers the outer surface of the material contact shell (71), the material contact shell (71) is made of a light buffer material, the attraction inner core (72) is a mixture of iron powder and air, and the fluff layer (73) is made of hygroscopic fibers.

2. The pneumatic environment-friendly coal particle drying equipment as claimed in claim 1, wherein: the oil feeding disc (53) is made of hard heat conduction materials, and the extension oil pipe (8) is made of flexible heat conduction materials.

3. The pneumatic environment-friendly coal particle drying equipment as claimed in claim 1, wherein: the pneumatic membrane (511) is made of elastic heat conduction materials, and the heat collecting sheet (512) is made of hard heat conduction materials.

4. The pneumatic environment-friendly coal particle drying equipment as claimed in claim 1, wherein: the thickness of the distribution table (6) is gradually increased along the direction close to the outlet of the air outlet box (3), and the lower surface of the distribution table (6) is uneven.

5. The pneumatic environment-friendly coal particle drying equipment as claimed in claim 1, wherein: the extension oil pipe (8) comprises a flexible pipe body (81), a magnetic attraction covering layer (82) and a plurality of shaping short columns (83), the magnetic attraction covering layer (82) is wrapped at one end, away from the oil filling chuck (5), of the flexible pipe body (81), and the shaping short columns (83) are evenly inlaid on the inner side of the flexible pipe body (81).

6. The pneumatic environment-friendly coal particle drying equipment as claimed in claim 5, wherein: the flexible pipe body (81) is made of flexible heat conducting materials, the shaping short column (83) is made of hard materials, and a through hole channel is formed in the center of the shaping short column.