阅读说明：本技术 一种炼焦煤均匀配煤装置 (Uniform coal blending device for coking coal ) 是由 冯武 陈宏广 张超辉 赵成 雷雨 于 2021-06-30 设计创作，主要内容包括：本发明提供一种炼焦煤均匀配煤装置,解决了现有的配煤装置体积过大,不适用于煤预处理工艺的试验的问题；包括外筒,外筒的顶部安装有密封盖,密封盖顶部连接有多个进料斗,密封盖的中部转动有粉碎杆,粉碎杆的底部固定有锥形粉碎盘,锥形粉碎盘的顶面上安装有多个粉碎切刀,密封盖内部的顶面上转动安装有位于锥形粉碎盘上方的粉碎网筒,粉碎网筒的外表面上开有若干过滤孔,粉碎网筒的内壁上固定连接有若干粉碎爪,粉碎杆连接有位于锥形粉碎盘下方的搅拌装置,外筒的底部连接有出料口；本发明可按照一定的配煤比例向多个进料斗内放置原煤,锥形粉碎盘和粉碎网筒转动时能够对块状原煤进行彻底粉碎,通过搅拌装置进行均匀的搅拌,最后从出料口排出。(The invention provides a coking coal uniform blending device, which solves the problem that the existing coal blending device is too large in size and is not suitable for a coal pretreatment process test; the crushing device comprises an outer barrel, wherein a sealing cover is installed at the top of the outer barrel, the top of the sealing cover is connected with a plurality of feed hoppers, a crushing rod is rotated in the middle of the sealing cover, a conical crushing disc is fixed at the bottom of the crushing rod, a plurality of crushing cutters are installed on the top surface of the conical crushing disc, a crushing net barrel positioned above the conical crushing disc is rotatably installed on the top surface inside the sealing cover, a plurality of filtering holes are formed in the outer surface of the crushing net barrel, a plurality of crushing claws are fixedly connected to the inner wall of the crushing net barrel, the crushing rod is connected with a stirring device positioned below the conical crushing disc, and the bottom of the outer barrel is connected with a discharge hole; the invention can place raw coal into a plurality of feed hoppers according to a certain coal blending proportion, thoroughly crush blocky raw coal when the conical crushing disk and the crushing mesh cylinder rotate, uniformly stir the blocky raw coal through the stirring device, and finally discharge the blocky raw coal from the discharge hole.)

1. The utility model provides an even coal blending device of coking coal, includes open-top's urceolus (1), sealed lid (2) are installed at the top of urceolus (1), its characterized in that, the top of sealed lid (2) is connected with a plurality of feeder hoppers (3) that communicate with urceolus (1), the middle part of sealed lid (2) is rotated and is installed and be located the inside crushing pole (4) of urceolus (1), the bottom fixedly connected with toper crushing dish (5) of crushing pole (4), evenly fixed mounting has a plurality of curved crushing cutters (6) on the top surface of toper crushing dish (5), coaxial rotation installs crushing net section of thick bamboo (7) that are located toper crushing dish (5) top on the inside top surface of sealed lid (2), it has a plurality of filtration pore (8) to open on the surface of crushing net section of thick bamboo (7), fixedly connected with a plurality of crushing claw (9) on the inner wall of crushing net section of thick bamboo (7), the crushing rod (4) is connected with a stirring device positioned below the conical crushing disc (5), and the bottom of the outer cylinder (1) is connected with a discharge hole (10).

2. The coking coal uniform coal blending device according to claim 1, characterized in that a plurality of anti-sticking scraper rods (11) are uniformly and fixedly installed on the outer circumferential surface of the conical crushing disc (5), and the other end of each anti-sticking scraper rod (11) is fixedly connected with an anti-sticking scraper (12) which sticks to the inner wall of the outer cylinder (1).

3. The coking coal uniform coal blending device according to claim 1, characterized in that the crushing rod (4) is coaxially and fixedly provided with a crushing gear (13) positioned in a sealing cover (2), the top end of the inner wall of the crushing net barrel (7) is coaxially and fixedly provided with a crushing gear ring (14), and the top surface of the inner part of the sealing cover (2) is rotatably provided with an intermediate gear (15) which is positioned between the crushing gear (13) and the crushing gear ring (14) and is meshed with the crushing gear ring and the crushing gear ring.

4. The coking coal uniform coal blending device according to the claim 1, characterized in that the crushing rod (4) is a hollow rod, the stirring device comprises a stirring rod (16) rotatably installed inside the crushing rod (4), and a plurality of stirring blades (17) positioned below the conical crushing disk (5) are fixedly installed on the stirring rod (16).

5. The coking coal uniform coal blending device according to claim 4, characterized in that the top and the bottom of one end of the stirring rod (16) below the conical crushing disc (5) are fixedly connected with scraper connecting rods (18) respectively, and the other ends of every two scraper connecting rods (18) corresponding to the upper and lower positions are fixedly connected with cylinder wall scrapers (19) attached to the inner wall of the outer cylinder (1).

6. The coking coal uniform coal blending device according to claim 5, characterized in that a discharging auger (20) positioned inside the discharging port (10) is coaxially and fixedly installed at the bottom end of the stirring rod (16), and a discharging cover (21) is installed at the bottom of the discharging port (10).

7. The coking coal uniform coal blending device according to claim 4, characterized in that a crushing fluted disc (22) positioned above the sealing cover (2) is coaxially and fixedly mounted at the top of the crushing rod (4), a stirring fluted disc (23) positioned above the crushing fluted disc (22) is coaxially and fixedly mounted at the top of the stirring rod (16), a linkage gear (24) which is positioned between the crushing fluted disc (22) and the stirring fluted disc (23) and is meshed with the crushing fluted disc and the stirring fluted disc is rotatably mounted at the top of the sealing cover (2), and the crushing rod (4) is connected with a crushing motor (25) fixedly mounted at the top of the sealing cover (2).

8. The coking coal uniform coal blending device according to claim 7, characterized in that a kick-out lever (26) is rotatably installed inside each feed hopper (3), a plurality of kick-out plates (27) are fixedly installed on each kick-out lever (26), a plurality of kick-out levers (26) are coaxially and fixedly connected with a one-way chain wheel (28), and a chain is connected between the one-way chain wheel (28) and the linkage gear (24).

Technical Field

The invention relates to the technical field of coking coal blending, in particular to a uniform coking coal blending device.

Background

In recent years, the steel production in China is continuously increased, the demand for coke is expanded, the contradiction between coking coal resources and the demand for coke is increasingly prominent, and meanwhile, the quality requirements of smelting technologies such as large-scale blast furnaces and oxygen-enriched pulverized coal injection are increasingly high.

At present, the enterprise places the raw coal of multiple difference respectively in the hopper when carrying out the coal blending, then conveys a plurality of raw coals respectively through the conveyer belt according to certain proportion and stirs in the agitating unit, carries the coal charge after will stirring to the windrow district again at last, but current coal blending device can not smash the raw coal, leads to having cubic raw coal in the coal charge after the stirring to influence the quality of coking coal.

The main measure for improving the quality of the coking coal is to adopt a coal pretreatment technology, but the coal preparation technology is adopted by individual enterprises in China, most coking enterprises do not adopt the coal pretreatment technology, which is one of the main reasons that the coke strength in China is generally low, the coal pretreatment technology is suitable for different coking coals and different requirements, so when the technology is adopted, a proper coal pretreatment technology is selected in a test mode according to the characteristics and conditions of the coking coals, but the volume of the existing coal preparation device is too large, so that the technology is not suitable for the test of the coal pretreatment technology.

Therefore, the invention provides a coking coal uniform coal blending device to solve the problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a coking coal uniform blending device, which effectively solves the problem that the conventional coal blending device is too large in size and is not suitable for the test of a coal pretreatment process.

The utility model provides an even coal blending device of coking coal, includes open-top's urceolus, sealed lid is installed at the top of urceolus, its characterized in that, the top of sealed lid is connected with a plurality of feeder hoppers that communicate with the urceolus, the middle part of sealed lid is rotated and is installed and is located the inside crushing pole of urceolus, the bottom fixedly connected with toper crushing dish of crushing pole, even fixed mounting has a plurality of curved crushing cutters on the top surface of toper crushing dish, coaxial rotation installs the crushing net section of thick bamboo that is located toper crushing dish top on the inside top surface of sealed lid, it has a plurality of to filter the hole to open on the surface of crushing net section of thick bamboo, the claw is smashed to fixedly connected with a plurality of on the inner wall of crushing net section of thick bamboo, crushing pole is connected with the agitating unit who is located toper crushing dish below, the bottom of urceolus is connected with the discharge gate.

Preferably, a plurality of anti-sticking scraper rods are uniformly and fixedly mounted on the outer circumferential surface of the conical crushing disc, and the other end of each anti-sticking scraper rod is fixedly connected with an anti-sticking scraper attached to the inner wall of the outer cylinder.

Preferably, the coaxial fixed mounting of crushing pole has the crushing gear who is located sealed lid, the coaxial fixed mounting in top of smashing the net section of thick bamboo inner wall has crushing ring gear, rotate on the inside top surface of sealed lid and install be located crushing gear and smash between the ring gear and with the two engaged intermediate gear.

Preferably, the crushing pole is hollow pole, agitating unit installs the puddler at crushing pole inside including rotating, fixed mounting has a plurality of stirring leaves that are located toper crushing dish below on the puddler.

Preferably, the top and the bottom of one end of the stirring rod below the conical crushing disc are respectively and fixedly connected with scraper connecting rods, and the other ends of every two scraper connecting rods corresponding to the upper and lower positions are fixedly connected with cylinder wall scrapers attached to the inner wall of the outer cylinder.

Preferably, the bottom end of the stirring rod is coaxially and fixedly provided with a discharging auger positioned inside the discharging port, and the bottom of the discharging port is provided with a discharging cover.

Preferably, the coaxial fixed mounting in top of crushing pole has the crushing fluted disc that is located sealed lid top, the coaxial fixed mounting in top of puddler has the stirring fluted disc that is located crushing fluted disc top, the top of sealed lid is rotated and is installed and be located between crushing fluted disc and the stirring fluted disc and with the linkage gear of the two meshing, crushing pole is connected with the crushing motor of fixed mounting at sealed lid top.

Preferably, every the feeder hopper is inside all to rotate and to install the kickoff pole, every equal fixed mounting has a plurality of kickoff boards on the kickoff pole, and is a plurality of the equal coaxial fixedly connected with one-way sprocket of kickoff pole, it is a plurality of be connected with the chain between one-way sprocket and the linkage gear.

According to the invention, raw coal can be placed into a plurality of feed hoppers according to a certain coal blending proportion, the conical crushing disc and the crushing mesh cylinder can thoroughly crush blocky raw coal when rotating, the blocky raw coal is uniformly stirred by the stirring device and is finally discharged from the discharge hole; the device has small volume, small occupied area and convenient operation, and can quickly carry out the test of the coal pretreatment process; the rotating kick-out plate in the feed hopper can prevent the feed hopper from being blocked, and the anti-sticking scraper blade and the cylinder wall scraper blade can scrape off the coal adhered to the cylinder wall and prevent the coal from being accumulated on the cylinder wall;

the invention has clear design thought, simple structure, convenient operation and strong practicability and provides great convenience for the uniform coal blending of coking coal.

Drawings

Fig. 1 is a first schematic sectional perspective view of the present invention.

Fig. 2 is a second schematic sectional perspective view of the present invention.

Fig. 3 is an enlarged perspective view of the invention at a in fig. 1.

Fig. 4 is an enlarged perspective view of the invention at B in fig. 2.

Figure 5 is a perspective view of the conical shredder plate and shredder basket of the present invention.

Fig. 6 is a perspective view of the present invention.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 6. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment one, the invention is a coking coal uniform coal blending device, which comprises an outer barrel 1 with an opening at the top, wherein a sealing cover 2 is arranged at the top of the outer barrel 1, supporting legs are arranged at the bottom of the outer barrel 1, the outer barrel 1 can be placed on the bottom surface or a table surface for use, and the sealing cover 2 can be hermetically arranged at the opening at the top of the outer barrel 1 through bolts or buckles, and the coking coal uniform coal blending device is characterized in that a plurality of feed hoppers 3 communicated with the outer barrel 1 are connected to the top of the sealing cover 2, different raw coals can be put into the plurality of feed barrels 3 according to a proportion, the raw coals can enter the outer barrel 1 through the feed barrels 3, a crushing rod 4 positioned in the outer barrel 1 is rotatably arranged in the middle of the sealing cover 2, a conical crushing disk 5 is fixedly connected to the bottom of the crushing rod 4, the conical crushing disk 5 can be driven to rotate when the crushing rod 4 rotates in the middle of the sealing cover 2, the top surface of the conical crushing disk 5 is conical, a plurality of arc-shaped crushing cutters 6 are uniformly and fixedly mounted on the top surface of the conical crushing disc 5, the conical crushing disc 5 can drive the plurality of crushing cutters 6 to rotate when rotating, raw materials in the plurality of feed hoppers 3 can fall to the top of the conical crushing disc 5 after entering the outer cylinder 1, and centrifugal force generated by the rotation of the plurality of crushing cutters 6 can uniformly throw the plurality of raw materials onto the inner wall of the outer cylinder 1 and then fall to the bottom of the outer cylinder 1, so that preliminary mixing is completed, and meanwhile, the rotating crushing cutters 6 can also crush massive raw materials in the raw materials, so that the quality of the mixed coking coal is improved;

a crushing mesh cylinder 7 positioned above the conical crushing disc 5 is coaxially and rotatably mounted on the top surface inside the sealing cover 2, the feed hoppers 3 are all positioned inside the crushing mesh cylinder 7, the bottom end of the crushing mesh cylinder 7 is close to the top surface of the crushing cutter 6, so that raw materials can only pass through a gap between the bottom end of the crushing mesh cylinder 7 and the top surface of the conical crushing disc 5, when various raw materials fall into the crushing mesh cylinder 7, powdery raw materials pass through a gap between the bottom end of the crushing mesh cylinder 7 and the top surface of the conical crushing disc 5 and are thrown onto the inner wall of the outer cylinder 1 and fall downwards, massive raw materials cannot pass through the gap, and at the moment, the rotary crushing cutters 6 can crush massive raw materials in the crushing mesh cylinder 7 until all the raw materials pass through the gap and reach the inner cylinder 1;

the outer surface of the crushing net barrel 7 is provided with a plurality of filtering holes 8, when raw materials arrive in the crushing net barrel 7, the conical crushing disc 5 can drive the raw materials to rotate when rotating, the powdery raw materials can arrive at the outer side of the powdery net barrel 7 through the filtering holes 8, the blocky raw materials are still remained in the crushing net barrel 7 to be crushed, the inner wall of the crushing net barrel 7 is fixedly connected with a plurality of crushing claws 9, the conical crushing disc 5 and the crushing net barrel 7 are opposite in rotation direction, when the conical crushing disc 5 rotates clockwise, the plurality of crushing cutters 6 can crush the blocky raw materials at the bottom and stir the raw materials to rotate clockwise in the crushing net barrel 7, but the crushing net barrel 7 rotating anticlockwise can crush the blocky raw materials through the plurality of crushing claws 9, the blocky raw materials can be crushed rapidly through the matching of the conical crushing disc 5 and the crushing net barrel 7, and the quality of the coke coal materials obtained after stirring is improved, the crushing rod 4 is connected with a stirring device located below the conical crushing disc 5, the crushing rod 4 can drive the stirring device to rotate, the stirring device can uniformly stir raw materials in the outer barrel 1, the bottom of the outer barrel 1 is connected with the discharge port 10, the stirred raw materials can be discharged out of the outer barrel 1 through the discharge port 10, and a worker can detect the obtained coal materials, so that the test of a coal pretreatment process can be completed.

Embodiment two, on the basis of embodiment one, even fixed mounting has a plurality of antiseized scraper rod 11 on the outer periphery of toper crushing disk 5, toper crushing disk 5 can drive a plurality of antiseized scraper rod 11 when rotating and rotate, every antiseized scraper rod 11's the other end difference fixedly connected with pastes antiseized scraper 12 of urceolus 1 inner wall, and centrifugal force when toper crushing disk 5 rotates can be got rid of the raw materials on the inner wall of urceolus 1, then the raw materials is in the bottom that drops urceolus 1, but still has a small part raw materials can glue and can't drop on the inner wall of urceolus 1, can take place piling up of raw materials for a long time, consequently, toper crushing disk 5 can drive a plurality of antiseized scraper rod 12 when rotating and paste the inner wall of urceolus 1 and rotate to can scrape the raw materials on the inner wall of urceolus 1, make the raw materials all drop and stir the bottom of urceolus 1.

Third embodiment, on the basis of first embodiment, the coaxial fixed mounting of crushing pole 4 has the crushing gear 13 that is located sealed lid 2, and crushing pole 4 can rotate with crushing gear 13 is synchronous, the coaxial fixed mounting in top of crushing net section of thick bamboo 7 inner wall has crushing ring gear 14, crushing net section of thick bamboo 7 can rotate with crushing ring gear 14 is synchronous, rotate on the inside top surface of sealed lid 2 and install the intermediate gear 15 that is located between crushing gear 13 and the crushing ring gear 14 and with the meshing of the two, can drive intermediate gear 15 when crushing gear 13 rotates and rotate, intermediate gear 15 can drive crushing ring gear 14 and rotate, and the turning of crushing ring gear 14 is opposite with crushing gear 13 for the rotation of toper crushing dish 5 and crushing net section of thick bamboo 7 is opposite.

In a fourth embodiment, on the basis of the first embodiment, the crushing rod 4 is a hollow rod, the stirring device includes a stirring rod 16 rotatably installed inside the crushing rod 4, the stirring rod 16 can rotate inside the crushing rod 4, a plurality of stirring blades 17 located below the conical crushing disk 5 are fixedly installed on the stirring rod 16, and the raw materials are stirred by the plurality of stirring blades 17 when the overtime catch-up 16 rotates.

Fifth embodiment, on the basis of the fourth embodiment, the top and the bottom of the end of the stirring rod 16 located below the conical crushing disk 5 are respectively and fixedly connected with the scraper connecting rods 18, the stirring rod 16 can drive the scraper connecting rods 18 to rotate when rotating, the other ends of every two scraper connecting rods 18 corresponding to the upper and lower positions are fixedly connected with the cylinder wall scrapers 19 attached to the inner wall of the outer cylinder 1, and the stirring rod 16 can drive the cylinder wall scrapers 19 to rotate attached to the inner wall of the outer cylinder 1 when rotating, so that the raw material attached to the inner wall of the outer cylinder 1 is scraped, and the raw material can be sufficiently stirred and mixed.

Sixth embodiment, on the basis of fifth embodiment, the coaxial fixed mounting in bottom of puddler 16 has the ejection of compact auger 20 that is located the inside of discharge gate 10, puddler 16 can drive ejection of compact auger 20 and rotate, ejection of compact auger 20 can discharge the raw materials in the urceolus 1 from discharge gate 10 when rotating clockwise, and when ejection of compact auger 20 anticlockwise rotation, then can not discharge the raw materials, ejection of compact lid 21 is installed to the bottom of discharge gate 10, can install ejection of compact lid 21 at discharge gate 10 during the stirring, prevents that the raw materials from dropping.

Seventh embodiment, on the basis of the fourth embodiment, the crushing rod 4 is coaxially and fixedly mounted with a crushing fluted disc 22 located above the sealing cover 2 at the top of the crushing rod 4, the crushing rod 4 can synchronously rotate with the crushing fluted disc 22, the stirring fluted disc 23 located above the crushing fluted disc 22 is coaxially and fixedly mounted at the top of the stirring rod 16, the stirring rod 16 can synchronously rotate with the stirring fluted disc 23, the linkage gear 24 located between the crushing fluted disc 22 and the stirring fluted disc 23 and engaged with the crushing fluted disc 22 and the stirring fluted disc 23 is rotatably mounted at the top of the sealing cover 2, the stirring fluted disc 23 can be driven to rotate by the linkage gear 24 when the crushing fluted disc 22 rotates, so that when the conical crushing disc 5 rotates to crush the raw material, the stirring rod 16 also rotates to stir the crushed raw material, the crushing rod 4 is connected with a crushing motor 25 fixedly mounted at the top of the sealing cover 2, the crushing motor 25 is a forward-reverse motor and is connected with a power supply and a controller, the crushing motor 25 drives the crushing rod 4 to rotate through the chain wheel set.

In the eighth embodiment, on the basis of the seventh embodiment, a material stirring rod 26 is rotatably installed inside each feeding hopper 3, a plurality of material stirring plates 27 are fixedly installed on each material stirring rod 26, the material stirring rods 26 can stir the raw materials in the feeding hopper 3 into the outer cylinder 1 when driving the plurality of material stirring plates 27 to rotate, and can also prevent the raw materials from being blocked at the outlet of the feeding hopper 3, a one-way chain wheel 28 is coaxially and fixedly connected to each of the plurality of material stirring rods 26, a chain is connected between the plurality of one-way chain wheels 28 and the linkage gear 24, when the crushing rod 4 and the stirring rod 16 rotate, the plurality of material stirring rods 26 can be simultaneously driven to rotate to stir the inner cylinder 1, when discharging is needed, the rotating shaft of the crushing motor 25 rotates in the opposite direction, so that the stirring rod 16 rotates in the opposite direction, and when the discharging auger 20 rotates, the coal in the outer cylinder 1 can be discharged from the discharging port 10, however, because the plurality of material stirring rods 26 are connected with the one-way chain wheel 28, when the stirring rod 16 drives the discharging auger 20 to rotate in the opposite direction for discharging, the linkage gear 24 only drives the plurality of one-way chain wheels 28 to rotate, and does not drive the plurality of material stirring rods 26 to rotate, so that raw materials cannot enter the outer barrel 1, namely, the material stirring rods 26 rotate to enable the raw materials to enter the outer barrel 1 during stirring, and the material stirring rods 26 do not rotate during discharging, so that the raw materials cannot enter the outer barrel 1.

According to the invention, raw coal can be placed into a plurality of feed hoppers according to a certain coal blending proportion, the crushing disc and the crushing net barrel can thoroughly crush blocky raw coal when rotating, the blocky raw coal is uniformly stirred by the stirring device and finally discharged from the discharge hole; the device has small volume, small occupied area and convenient operation, and can quickly carry out the test of the coal pretreatment process; the rotating kick-out plate in the feed hopper can prevent the feed hopper from being blocked, and the anti-sticking scraper blade and the cylinder wall scraper blade can scrape off the coal adhered to the cylinder wall and prevent the coal from being accumulated on the cylinder wall;

the invention has clear design thought, simple structure, convenient operation and strong practicability and provides great convenience for the uniform coal blending of coking coal.