CN115254321A

CN115254321A - Wet ball mill for flue gas desulfurization

Info

Publication number: CN115254321A
Application number: CN202210814254.1A
Authority: CN
Inventors: 朱瑞学; 武玉利; 王垒; 王迎东; 范传福; 马磊磊
Original assignee: Qingdao Haiwan Chemical Engineering Design & Research Institute Co ltd
Current assignee: Qingdao Haiwan Chemical Engineering Design & Research Institute Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-01
Anticipated expiration: 2042-07-12
Also published as: CN115254321B

Abstract

The invention discloses a wet ball mill for flue gas desulfurization, which comprises a base, wherein the top end of the base is fixedly connected with a placing rack through bolts, the top end of the placing rack is rotationally connected with a ball mill cylinder, two ends of the ball mill cylinder are respectively clamped with a connecting cylinder, the position of the top end of the placing rack, which corresponds to one side of the ball mill cylinder, is fixedly connected with a driving motor through bolts, an output shaft of the driving motor is clamped with a driving gear, and the position of the outer side of the ball mill cylinder, which corresponds to one side of the driving gear, is fixedly sleeved with a driven gear.

Description

Wet ball mill for flue gas desulfurization

Technical Field

The invention relates to the technical field of ball mills, in particular to a wet ball mill for flue gas desulfurization.

Background

The wet ball mill is ore grinding operation equipment which needs to be carried along to adapt to the construction and development of flue gas desulfurization projects of power plants in China, has the main functions of grinding limestone slurry and providing a desulfurization absorbent, is important equipment in limestone and gypsum wet desulfurization systems, and has the advantages of low equipment investment cost, simple system, low energy consumption and low operation cost compared with a dry grinding system, so that the wet grinding system is used as a necessary limestone slurry preparation system in the desulfurization of thermal power plants and has very wide application;

however, the existing wet ball mill cannot filter the discharged materials, and cannot filter out materials which are not completely crushed, so that the materials are crushed again, the crushing effect is reduced, and the subsequent working efficiency is affected.

Disclosure of Invention

The invention provides a wet ball mill for flue gas desulfurization, which can effectively solve the problems that the discharged materials cannot be filtered, the materials which are not completely crushed cannot be filtered out, and further the materials are secondarily crushed, so that the crushing effect is reduced, and the subsequent working efficiency is influenced, which are provided by the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a wet ball mill for flue gas desulfurization comprises a base, wherein the top end of the base is fixedly connected with a placing rack through bolts, the top end of the placing rack is rotatably connected with a ball grinding cylinder, two ends of the ball grinding cylinder are respectively connected with a connecting cylinder in a clamping manner, the position of the top end of the placing rack, corresponding to one side of the ball grinding cylinder, is fixedly connected with a driving motor through bolts, an output shaft of the driving motor is connected with a driving gear in a clamping manner, a driven gear is fixedly sleeved at the position of the outer side of the ball grinding cylinder, corresponding to one side of the placing rack, a screening and circulating mechanism is arranged at the position of the top end of the base, a supporting rod and a top wheel are driven to rotate in the rotating process of the ball grinding cylinder by utilizing the matching of a driving wheel and a belt, the top wheel is forced to push a limiting wheel and a transverse plate to ascend and descend, and push a filter screen to reciprocate in the filter screen in the interior of the filter box through the telescopic characteristic of a tensioning spring, so as to screen discharged raw materials, and then the raw materials are sent back to the feed box to be crushed again;

a water replenishing and circulating mechanism is arranged at the position, corresponding to the bottom of the placing frame, of the top end of the base, water is fed into the water storage ring and the rotating ring by utilizing the matching of a water suction pump and a water suction pipe, the sealing plate and the sliding rod are pushed to slide along the inner wall of the transverse block and are separated from the baffle ring, the sealing of the water feeding pipe is removed, the water is conveniently fed into the connecting cylinder, and the returned water is filtered and then fed back to the water tank for recycling through the matching of the return pipe and the lifting cylinder;

the ball mill section of thick bamboo outside is provided with steel ball screening discharge mechanism, utilizes the cooperation of arc apron and limiting plate, carries on spacingly to the steel ball, makes inside the less steel ball of diameter gets into the frame, and the receiver is inside to be stored to the side of getting into, and the great steel ball of diameter is then blockked inside the lining section of thick bamboo, continues to use, has reduced the waste of resource.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. the screening and circulating mechanism is arranged, the rotary drum and the spiral material pushing plate are driven to rotate through the tooth protrusions, raw materials in the feeding box are fed into the ball milling barrel, the ball milling barrel can conveniently rotate to crush the raw materials, power is transmitted through the matching of the driving wheel and the belt, the supporting rod and the top wheel are driven to rotate in the rotating and crushing process of the ball milling barrel, the top wheel is enabled to push the limiting wheel and the transverse plate to ascend, the filter screen is pushed to reciprocate up and down in the filter box through the stretching characteristic of the tensioning spring to screen the discharged raw materials, the filtering effect is improved, the raw materials with large size can be conveniently filtered, and then the filtered raw materials are conveyed through the matching of the blanking channel, the rotary motor and the conveying auger;

in addition, through the matching of the transmission belt and the transmission gear, power is transmitted, the transmission belt is driven to rotate respectively, filtered raw materials are conveyed back to the interior of the feeding box again, the raw materials are crushed again, the crushing effect is improved, and convenience is improved.

2. The water replenishing and circulating mechanism is arranged, the water pump is communicated with the water pumping pipe to be matched, and water is sent into the water storage ring and the rotating ring, so that the sealing plate and the sliding rod are pushed to slide along the inner wall of the cross block and are separated from the baffle ring, the sealing of the water feeding pipe is removed, the water is conveniently sent into the connecting cylinder, a water source is timely replenished into the ball grinding cylinder, the wetting of the interior of the ball grinding cylinder is ensured, and in the rotating process of the ball grinding cylinder and the connecting cylinder, the water can be continuously replenished because the water storage ring and the rotating ring are rotatably connected, and the adaptability is improved;

in addition, the discharged water is returned to the water tank through the return pipe for recycling, waste of resources is reduced, meanwhile, in the water returning process, power is transmitted through the matching of the driven gear and the toothed roller, the ball grinding cylinder is forced to drive the second transmission gear, the vertical rod and the spiral screen plate to rotate, the residual raw materials are lifted to the inside of the top box and then discharged, the raw materials are prevented from flowing back to the inside of the water tank, and the water pumping pipe is prevented from being blocked.

3. The steel ball screening discharge mechanism is arranged, the steel ball screening discharge mechanism is matched with the limiting plate through the arc-shaped cover plate, the steel ball is limited, the steel ball with the smaller diameter enters the frame, the steel ball with the smaller diameter is stored inside the storage box, the steel ball with the larger diameter is blocked inside the lining barrel, the steel ball is continuously used, the waste of resources is reduced, the knob is rotated to drive the pushing barrel to rotate, the pushing rod is further pushed, the arc-shaped cover plate is pushed to move by the pushing rod, the distance between the arc-shaped cover plate and the limiting plate is adjusted, the steel balls with different diameters can be conveniently screened and discharged as required, and the adaptability is improved.

Synthesize, through screening and circulation mechanism and moisturizing and circulation mechanism cooperation, carry the great raw and other materials of exhaust volume and water, conveniently carry out many times breakage to the great raw and other materials of volume, improved kibbling effect, improved the utilization ratio to the water resource simultaneously, reduced the waste of resource, practiced thrift the cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the screening and circulation mechanism of the present invention;

FIG. 3 is a schematic view of the installation structure of the conveying auger of the present invention;

FIG. 4 is a schematic view of the mounting structure of the conveyor belt of the present invention;

FIG. 5 is a schematic view of the mounting structure of the fixing frame of the present invention;

FIG. 6 is a schematic view of the structure of the water replenishing and circulating mechanism of the present invention;

FIG. 7 is a schematic view of the mounting structure of the slide bar of the present invention;

FIG. 8 is a schematic view of the installation structure of the spiral net plate of the present invention;

FIG. 9 is a schematic view of the mounting structure of the liner of the present invention;

fig. 10 is a schematic structural view of the steel ball screening and discharging mechanism of the present invention.

The reference numbers in the figures: 1. a base; 2. placing a rack; 3. a ball milling cylinder; 4. a connecting cylinder; 5. a drive motor; 6. a driving gear; 7. a driven gear;

8. a screening and circulating mechanism; 801. a filter box; 802. filtering and screening; 803. a traction plate; 804. a base plate; 805. tensioning the spring; 806. a blanking channel; 807. a transverse plate; 808. a limiting wheel; 809. a support bar; 810. a top wheel; 811. a driving wheel; 812. a belt; 813. a recovery cylinder; 814. a rotating electric machine; 815. conveying the auger; 816. a discharge port; 817. a material guide plate; 818. a recycling rack; 819. a support; 820. a material storage box; 821. a feeding box; 822. a feeding channel; 823. a rotating drum; 824. the teeth are convex; 825. a spiral pusher plate; 826. a conveyor belt; 827. a transmission belt; 828. a transmission gear;

9. a water replenishing and circulating mechanism; 901. a fixed mount; 902. a water storage ring; 903. a rotating ring; 904. a water feeding pipe; 905. a transverse block; 906. a slide bar; 907. a stopper; 908. a support spring; 909. a sealing plate; 910. a toothed roller; 911. a baffle ring; 912. a water tank; 913. a water pump; 914. a water pumping pipe; 915. a return pipe; 916. a lifting cylinder; 917. a set-top box; 918. a vertical rod; 919. a spiral screen plate; 920. a second transmission gear;

10. a steel ball screening and discharging mechanism; 1001. a liner barrel; 1002. a convex plate; 1003. a rectangular groove; 1004. a frame; 1005. a fixing plate; 1006. a push cylinder; 1007. a knob; 1008. a push rod; 1009. an arc-shaped cover plate; 1010. a limiting plate; 1011. a chute; 1012. an accommodating box.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1-10, the invention provides a technical scheme, a wet ball mill for flue gas desulfurization comprises a base 1, the top end of the base 1 is fixedly connected with a placing rack 2 through a bolt, the top end of the placing rack 2 is rotatably connected with a ball mill barrel 3, two ends of the ball mill barrel 3 are respectively clamped with a connecting barrel 4, the top end of the placing rack 2 corresponding to one side of the ball mill barrel 3 is fixedly connected with a driving motor 5 through a bolt, an output shaft of the driving motor 5 is clamped with a driving gear 6, a driven gear 7 is fixedly sleeved at the outer side of the ball mill barrel 3 corresponding to one side of the driving gear 6, a sieve and circulating mechanism 8 is arranged at the top end of the base 1 corresponding to one side of the placing rack 2, and by the cooperation of a driving wheel 811 and a belt 812, in the rotating process of the ball mill barrel 3, a supporting rod 809 and a top wheel 810 are driven to rotate, the top wheel 810 pushes a limiting wheel 808 and a transverse plate 807 to ascend, and pushes a filter sieve 802 to reciprocate in the filter sieve 802 through the characteristic of stretching and sends the discharged raw materials back to a feeding box 821 for crushing again;

a water replenishing and circulating mechanism 9 is arranged at the position, corresponding to the bottom of the placing rack 2, on the top end of the base 1, a water pump 913 is matched with a water pumping pipe 914 to convey water into the water storage ring 902 and the rotating ring 903, the sealing plate 909 and the sliding rod 906 are pushed to slide along the inner wall of the cross block 905 and are separated from the blocking ring 911, the sealing of the water feeding pipe 904 is relieved, the water is conveniently conveyed into the connecting cylinder 4, in addition, the backflow water is filtered through the cooperation of the backflow pipe 915 and the lifting cylinder 916, and then the backflow water is conveyed back to the water tank 912 for recycling;

the ball mill barrel 3 outside is provided with steel ball screening discharge mechanism 10, utilizes arc apron 1009 and limiting plate 1010's cooperation, carries on spacingly to the steel ball, makes inside the less steel ball of diameter gets into frame 1004, and the storage box 1012 is inside storing to the inside, and the great steel ball of diameter is then blockked inside the lining barrel 1001, continues to use, has reduced the waste of resource.

The screening and circulating mechanism 8 comprises a filter box 801, a filter screen 802, a traction plate 803, a base plate 804, a tension spring 805, a blanking channel 806, a transverse plate 807, a limiting wheel 808, a support rod 809, a top wheel 810, a transmission wheel 811, a belt 812, a recovery cylinder 813, a rotary motor 814, a conveying auger 815, a discharge port 816, a material guide plate 817, a recovery frame 818, a support 819, a storage box 820, a feeding box 821, a feeding channel 822, a rotary cylinder 823, a tooth bulge 824, a spiral pushing plate 825, a conveying belt 826, a conveying belt 827 and a transmission gear 828;

the top end of the base 1 is fixedly connected with a filter box 801 through bolts at a position corresponding to one side of the placing rack 2, the interior of the filter box 801 is movably connected with a filter screen 802, the top end of the filter screen 802 is fixedly connected with a traction plate 803 through bolts at equal intervals, the outer side of the filter box 801 is fixedly connected with a backing plate 804 through bolts at equal intervals, a tension spring 805 is clamped between the backing plate 804 and the traction plate 803, the bottom end of the filter screen 802 is clamped with a blanking channel 806, one end of the blanking channel 806 is fixedly connected with a transverse plate 807 through bolts, one end of the transverse plate 807 is clamped with a spacing wheel 808 at a position corresponding to the outer side of the filter box 801, one end of the filter box 801 is rotatably connected with a support rod 809 at a position corresponding to the bottom of the spacing wheel 808, the outer side of the support rod 809 is fixedly sleeved with a top wheel 810 at a position corresponding to the bottom of the spacing wheel 808, the outer side of the support rod 809 and the outer side of the connecting cylinder 4 are both fixedly sleeved with driving wheels 811, the outer sides of the two driving wheels 811 are respectively sleeved with a belt 812, a recovery drum 813 is clamped at the bottom of a blanking channel 806 at one end of the filter box 801, one end of the recovery drum 813 is fixedly connected with a rotating motor 814 through a bolt, a conveying auger 815 is clamped at a position, corresponding to the inner position of the recovery drum 813, of an output shaft of the rotating motor 814, a discharge port 816 is formed at the bottom of one end of the conveying auger 815, a material guide plate 817 is clamped at a position, corresponding to the bottom of the recovery drum 813, on the inner wall of the filter box 801, in order to transmit power, a driving gear 6 and a driven gear 7 are mutually meshed, the inner wall of the filter screen 802 is obliquely arranged, one end of a transverse plate 807 penetrates through one end of the filter box 801, the top wheel 810 is oval, the top end of the top wheel 810 is attached to the bottom end of the limiting wheel 808, the top end of the recovery drum 813 is movably connected with the bottom of the blanking channel 806, and the driving motor 5 and the rotating motor 814 are powered by an external power supply;

a recycling frame 818 is clamped at a position, corresponding to one side of a filter box 801, of the top end of a base 1, a support 819 is clamped at a position, corresponding to one side of the recycling frame 818, of the top end of the support 819, a storage box 820 is fixedly connected to one side of the top end of the support 819 through a bolt, a feeding box 821 is fixedly connected to one side of the top end of the support 819 through a bolt, one end of the storage box 820 and one end of the feeding box 821 are fixedly connected with a feeding channel 822 through bolts, one end of the feeding box 821 is rotatably connected with a rotary drum 823, tooth protrusions 824 are clamped to the outer side of the rotary drum 823 and one end of a connecting drum 4 at equal intervals, a spiral pushing plate 825 is clamped to the inner wall of the rotary drum 823, conveying belts 826 are rotatably connected to the inner part of the feeding channel 822 and the inner part of the recycling frame 818, a conveying belt 827 is fixedly sleeved to the outer side of a rotating shaft of the conveying belt 826 in the recycling frame 818 and the outer side of an output shaft of the rotary motor 814, transmission gears 828 are fixedly sleeved to the outer sides of the conveying belt 826 and the rotary drum 823, for conveying raw materials, one end of the recycling frame 818 is correspondingly installed at the bottom of the discharging port 816, the other end of the recycling frame 818, the other end of the conveying belt, one end of the conveying belt is fixedly connected with a transmission gear 828, one end of the anti-slip prevention block 828, one end of the anti-slip cylinder 828, and one end of the anti-slip cylinder 828 are fixedly connected with two anti-slip transmission belt 828, and one end of the anti-slip cylinder, and the anti-slip cylinder are fixedly connected with the anti-slip cylinder 828, and the anti-slip cylinder 4, and the anti-slip cylinder 828;

the water replenishing and circulating mechanism 9 comprises a fixed frame 901, a water storage ring 902, a rotating ring 903, a water adding pipe 904, a cross block 905, a sliding rod 906, a block 907, a supporting spring 908, a sealing plate 909, a toothed roller 910, a baffle ring 911, a water tank 912, a water suction pump 913, a water suction pipe 914, a return pipe 915, a lifting cylinder 916, a top box 917, a vertical rod 918, a spiral net plate 919 and a second transmission gear 920;

a fixed frame 901 is fixedly connected to one side of the top end of the placing frame 2 through bolts, a water storage ring 902 is fixedly connected to the top end of the fixed frame 901 corresponding to the outer side of the connecting cylinder 4 through bolts, one end of the water storage ring 902 is rotatably connected with a rotating ring 903, a water adding pipe 904 is clamped on the inner wall of the rotating ring 903 and the outer side of the connecting cylinder 4 at equal intervals, a cross block 905 is clamped on the inner wall of the water adding pipe 904, a sliding rod 906 is movably connected to the inner wall of the cross block 905, a stop 907 is clamped on one end of the sliding rod 906, a supporting spring is clamped between the stop 907 and the cross block 905 corresponding to the outer side of the sliding rod 906, a sealing plate 909 is clamped on the other end of the water adding pipe 904 corresponding to one side of the sealing plate 909, a water tank 912 is fixedly connected to the top end of the placing frame 2 through bolts, one end of the water tank 912 is fixedly connected with a water suction pump 913 through bolts, one end of the water suction pump 913 is connected with a water suction pipe 914 through threads, in order to improve the sealing performance, a waterproof pad is filled at the connection position of the water storage ring 902 and the rotating ring 903, one end of the sealing plate 909 is attached to one end of the water tank 911, the other end of the water pumping pipe 914 is fixedly connected to 902, and the outer side of the water storage ring 902, and the water pumping pipe 902, and the water pumping pump is powered by an external power supply;

a return pipe 915 is clamped at the bottom of one end of the filter box 801, lifting cylinders 916 are fixedly connected to the top of the base 1 at equal intervals corresponding to the bottom of the placing frame 2, top ends of the two lifting cylinders 916 are respectively clamped with a top box 917, the top of the top box 917 is rotatably connected with a vertical rod 918 corresponding to the inside of the lifting cylinder 916, the vertical rod 918 is clamped with a spiral net plate 919, a second transmission gear 920 is clamped at the top of the two vertical rods 918 corresponding to the top of the top box 917, a toothed roller 910 is rotatably connected to one side of the inner wall of the placing frame 2 corresponding to the second transmission gear 920, a check valve is arranged on the outer side of the return pipe 915 for discharging residual materials, the other end of the return pipe 915 penetrates through the lifting cylinder 916 to be fixedly connected with one end of the water tank 912, the top end of the lifting cylinder is communicated with the bottom end of the top box 917, a discharge port is formed at the bottom end of the top box 917, an inclined surface is arranged inside the top end of the top box 917 and the driven gear 910 is meshed with the bottom end of the driven gear 7, and the toothed roller 910 is meshed with the second transmission gear 920;

the steel ball screening and discharging mechanism 10 comprises an inner lining cylinder 1001, a convex plate 1002, a rectangular groove 1003, a frame 1004, a fixing plate 1005, a push cylinder 1006, a knob 1007, a push rod 1008, an arc cover plate 1009, a limiting plate 1010, a sliding chute 1011 and a storage box 1012;

the inside joint of a ball mill section of thick bamboo 3 has interior lining section of thick bamboo 1001, interior lining section of thick bamboo 1001 inner wall equidistance joint has flange 1002, rectangular channel 1003 has been seted up to ball mill section of thick bamboo 3 inner wall, and the interior lining section of thick bamboo 1001 outside corresponds the joint of rectangular channel 1003 internal position department has frame 1004, the joint of frame 1004 inner wall has fixed plate 1005, fixed plate 1005 inner wall equidistance rotation is connected with a push cylinder 1006, push cylinder 1006 top corresponds fixed plate 1005 top position department butt fusion and has knob 1007, push cylinder 1006 bottom corresponds frame 1004 internal position department has push rod 1008 through threaded connection, the joint of push rod 1008 bottom correspondence interior lining section of thick bamboo 1001 internal position department has arc apron 1009, for guiding the steel ball, the cross section of flange 1002 is triangle-shaped, the length and the lining of arc apron 1009 all are greater than the length 1012 and the interior lining of frame 1004 inner wall, the radian of arc apron 1009 equals with the radian of a section of thick bamboo 1001, frame 1004 inner wall bottom position department joint has limiting plate 1010, rack 2 top corresponds ball mill section of 3 bottom position department symmetry and has seted up spout 1011, and 2 top has storage box 1012 through spout 1011 in order to make things convenient for convenience, the cross section of storage box 1012, the convenience storage box 1012, the cross section of storage box 1012, the one end joint of storage box 1010 has trapezoidal 1012, there is greater than the length of storage box.

The working principle and the using process of the invention are as follows: firstly, raw materials are placed in a feeding box 821, then a driving motor 5 is started, and the ball mill cylinder 3 and a connecting cylinder 4 are driven to rotate through the matching of a driving gear 6 and a driven gear 7, so that the connecting cylinder 4 is forced to drive a rotary drum 823 to rotate through a tooth projection 824, and simultaneously, a spiral material pushing plate 825 is driven to rotate to convey the raw materials in the feeding box 821, so that the raw materials enter the ball mill cylinder 3 through the connecting cylinder 4, the ball mill cylinder 3 can conveniently rotate to crush the raw materials, then the crushed raw materials are discharged into a filtering box 801 through the connecting cylinder 4 at the other end to be filtered, the raw materials which do not accord with standards are filtered, and the convenience is improved;

then, in the process that the ball milling drum 3 drives the connecting drum 4 to rotate, a transmission assembly is formed through the matching of a transmission wheel 811 and a belt 812, a support rod 809 and a top wheel 810 are driven to rotate, the top wheel 810 is forced to push a limit wheel 808 and a transverse plate 807 to rise, so that a blanking channel 806 is driven, the blanking channel 806 pushes a filter sieve 802 to slide in the filter box 801, and meanwhile, through the telescopic characteristic of a tension spring 805, a traction plate 803 is pushed, so that the traction plate 803 is convenient to push the filter sieve 802 to reset, the filter sieve 802 vibrates up and down in the filter box 801 to sieve the discharged raw materials, the filtering effect is improved, and the raw materials with larger volume are convenient to filter out;

then, the filtered raw materials are discharged into the recycling bin 813 through the discharging channel 806, then the rotating motor 814 is started, the rotating motor 814 drives the conveying auger 815 to rotate, the filtered raw materials are further conveyed and are discharged onto the conveying belt 826 inside the recycling rack 818 through the discharging hole 816, meanwhile, in the rotating process of the rotating motor 814, power is transmitted through the conveying belt 827, the conveying belt 826 is driven to rotate, the filtered raw materials are conveyed into the storage box 820, in addition, the power is transmitted through the matching of the transmission gear 828, the connecting drum 4 drives the conveying belt 826 inside the feeding channel 822 to rotate, the filtered raw materials are conveniently conveyed back into the feeding box 821 and are conveyed into the ball milling drum 3 again to be crushed, and the crushing effect is further improved;

then, the water in the water tank 912 is sent into the water storage ring 902 and the rotating ring 903 by matching the water suction pump 913 with the water suction pipe 914, the pressure is increased along with the increase of the water in the water storage ring 902 and the rotating ring 903, the sealing plate 909 is pushed to enable the sealing plate 909 to slide along the inner wall of the cross block 905 with the slide bar 906 and be separated from the baffle ring 911, the sealing of the water feeding pipe 904 is released, the water is conveniently sent into the connecting cylinder 4, a water source is timely supplemented into the ball grinding cylinder 3, the wetting in the ball grinding cylinder 3 is ensured, the crushing effect on raw materials is increased, in addition, due to the fact that the water storage ring 902 is rotatably connected with the rotating ring 903, water can be continuously supplemented in the rotating process of the ball grinding cylinder 3 and the connecting cylinder 4, and the adaptability is improved;

then, the discharged water and materials are filtered through a material guide plate 817, the crushed raw materials are discharged, the water is stored in the filter box 801, the collected water is sent back to the water tank 912 through a return pipe 915, the water is convenient to recycle, the waste of resources is reduced, in addition, in the process of sending the water back, power is transmitted through the matching of the driven gear 7 and the toothed roller 910, the ball milling cylinder 3 is forced to drive the second transmission gear 920 to rotate, the vertical rod 918 and the spiral screen plate 919 are further driven to rotate, the water and the residual raw materials passing through the lifting cylinder 916 are filtered, the residual raw materials are lifted to the inside of the top box 917 and then discharged, the raw materials are prevented from flowing back to the inside of the water tank 912, and the water pumping pipe 914 is prevented from being blocked;

finally, when the steel ball is discharged, through the cooperation of arc apron 1009 and limiting plate 1010, it is spacing to the steel ball, make the less steel ball of diameter get into inside the frame 1004, it stores to get into inside receiver 1012, and the great steel ball of diameter, then be blockked inside the lining section of thick bamboo 1001, continue to use, the waste of resource has been reduced, steel ball exhaust convenience has been improved, rotate knob 1007 in addition, make knob 1007 take and push away a section of thick bamboo 1006 rotatory, and then promote push rod 1008, make push rod 1008 push away arc apron 1009 and remove, the distance of arc apron 1009 and limiting plate 1010 has been adjusted, adaptability has been improved, the convenience will be screened the steel ball of different diameters as required and discharge.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wet ball mill for flue gas desulfurization, includes base (1), its characterized in that: the top end of the base (1) is fixedly connected with a placing rack (2) through bolts, the top end of the placing rack (2) is rotatably connected with a ball milling barrel (3), two ends of the ball milling barrel (3) are respectively connected with a connecting barrel (4) in a clamping manner, one side of the placing rack (2) corresponding to the ball milling barrel (3) is fixedly connected with a driving motor (5) through bolts, an output shaft of the driving motor (5) is connected with a driving gear (6) in a clamping manner, a driven gear (7) is fixedly connected at one side of the ball milling barrel (3) in a fixing manner, a screening and circulating mechanism (8) is arranged at one side of the placing rack (2) corresponding to the top end of the base (1), and by utilizing the matching of a driving wheel (811) and a belt (812), in the rotating process of the ball milling barrel (3), a supporting rod (809) and a top wheel (810) are driven to rotate, the top wheel (810) is forced to push a limiting wheel (808) and a transverse plate (807) to ascend, and push a filter screen (802) in a filter sieve box (802) to discharge raw materials back and forth, and back, and forth, and then the raw materials are crushed;

a water replenishing and circulating mechanism (9) is arranged at the position, corresponding to the bottom of the placing frame (2), of the top end of the base (1), a water suction pump (913) is matched with a water suction pipe (914) to convey water into a water storage ring (902) and a rotating ring (903), a sealing plate (909) and a sliding rod (906) are pushed to slide along the inner wall of a cross block (905) and are separated from a blocking ring (911), the sealing of the water feeding pipe (904) is relieved, the water is conveniently conveyed into a connecting cylinder (4), in addition, the backflow water is conveyed into a water return tank (912) for recycling through the matching of a backflow pipe (915) and a lifting cylinder (916);

the steel ball screening and discharging mechanism (10) is arranged on the outer side of the ball milling barrel (3), the steel ball is limited by the aid of the matching of the arc-shaped cover plate (1009) and the limiting plate (1010), the steel ball with the small diameter enters the frame (1004) and is stored in the storage box (1012), the steel ball with the large diameter is blocked in the lining barrel (1001), and the steel ball continues to be used, so that resource waste is reduced.

2. The wet ball mill for flue gas desulfurization according to claim 1, characterized in that: the screening and circulating mechanism (8) comprises a filter box (801), a filter screen (802), a traction plate (803), a base plate (804), a tensioning spring (805), a blanking channel (806), a transverse plate (807), a limiting wheel (808), a supporting rod (809), a top wheel (810), a transmission wheel (811), a belt (812), a recovery drum (813), a rotating motor (814), a conveying auger (815), a discharge hole (816), a material guide plate (817), a recovery frame (818), a support (819), a storage box (820), a feeding box (821), a feeding channel (822), a rotary drum (823), a tooth boss (824), a spiral material pushing plate (825), a conveying belt (826), a conveying belt (827) and a transmission gear (828);

the filter box (801) is fixedly connected at a position, corresponding to one side of the placing frame (2), of the top end of the base (1) through bolts, the filter box (801) is movably connected with a filter screen (802) inside, the top end of the filter screen (802) is fixedly connected with a traction plate (803) through bolts at equal intervals, the outside of the filter box (801) is fixedly connected with a base plate (804) through bolts at equal intervals, a tensioning spring (805) is clamped between the base plate (804) and the traction plate (803), a blanking channel (806) is clamped at the bottom end of the filter screen (802), a transverse plate (807) is fixedly connected at one end of the blanking channel (806) through bolts, a limiting wheel (808) is clamped at a position 807, corresponding to the outside of the filter box (801), one end of the filter box (801) is rotatably connected with a supporting rod (809) at a position corresponding to the bottom of the limiting wheel (808), a top wheel (810) is fixedly sleeved at a position corresponding to the bottom of the limiting wheel (808) at the outside of the supporting rod (809), a driving wheel (811) is fixedly sleeved at the outside of the supporting rod (809), two driving wheels (813) and the outside of the belt (813) is sleeved at the position of the bottom of the corresponding to the limiting wheel (808), one end of the recovery cylinder (813) is fixedly connected with a rotating motor (814) through a bolt, a conveying auger (815) is clamped at the position, corresponding to the inner part of the recovery cylinder (813), of an output shaft of the rotating motor (814), a discharge hole (816) is formed in the position, corresponding to the bottom of the recovery cylinder (813), of the bottom of one end of the conveying auger (815), and a material guide plate (817) is clamped at the position, corresponding to the bottom of the recovery cylinder (813), of the inner wall of the filter box (801);

the base (1) top corresponds filter box (801) one side position department joint and has retrieved frame (818), base (1) top corresponds retrieves frame (818) one side position department joint and has support (819), support (819) top one side position department passes through bolt fixedly connected with storage case (820), support (819) top corresponds storage case (820) one side position department through bolt fixedly connected with feeding case (821), and storage case (820) one end and feeding case (821) one end all pass through bolt fixedly connected with material loading passageway (822), feeding case (821) one end is rotated and is connected with rotary drum (823), the protruding 824 of tooth is blocked in the equal equidistance joint of rotary drum (823) outside and connecting cylinder (4) one end, rotary drum (823) inner wall joint has spiral scraping wings (825), material loading passageway (822) inside and the inside all rotate with retrieving frame (818) and be connected with conveyer belt (826), the outside of retrieving frame (818) inside conveyer belt (826) pivot and the outside of rotating motor (814) output shaft all cup joint and are fixed with the transmission gear (827), the outside of material loading passageway (826) and the outside (828) all cup joint have fixed transmission gear (828).

3. The wet ball mill for flue gas desulfurization according to claim 2, characterized in that: driving gear (6) and driven gear (7) intermeshing, filter sieve (802) inner wall sets up for the slope, diaphragm (807) one end is run through filter box (801) one end, top wheel (810) are oval, and top wheel (810) top and spacing round (808) bottom laminate mutually, recovery section of thick bamboo (813) top and unloading passageway (806) bottom swing joint, driving motor (5) and rotating electrical machines (814) all supply power through external power source.

4. The wet ball mill for flue gas desulfurization according to claim 2, characterized in that: one end of the recovery frame (818) is correspondingly installed at the bottom of the discharge hole (816), the other end of the recovery frame (818) is fixedly connected with the top of one end of the storage box (820), one end of the rotary drum (823) is rotatably connected with one end of the connecting cylinder (4), one end of the rotary drum (823) is meshed with one end of the connecting cylinder (4) through the tooth protrusions (824), anti-slip blocks are fixedly connected to the outer sides of the two conveying belts (826) at equal intervals, and the two transmission gears (828) are meshed with each other.

5. The wet ball mill for flue gas desulfurization according to claim 2, characterized in that: the water supplementing and circulating mechanism (9) comprises a fixed frame (901), a water storage ring (902), a rotating ring (903), a water adding pipe (904), a cross block (905), a sliding rod (906), a stop block (907), a supporting spring (908), a sealing plate (909), a toothed roller (910), a baffle ring (911), a water tank (912), a water suction pump (913), a water suction pipe (914), a backflow pipe (915), a lifting cylinder (916), a top box (917), a vertical rod (918), a spiral screen plate (919) and a second transmission gear (920);

a fixed frame (901) is fixedly connected to one side of the top end of the placing frame (2) through bolts, a water storage ring (902) is fixedly connected to the position, corresponding to the outer side of the connecting cylinder (4), of the top end of the fixed frame (901), a rotating ring (903) is rotatably connected to one end of the water storage ring (902), a water feeding pipe (904) is clamped to the inner wall of the rotating ring (903) and the outer side of the connecting cylinder (4) at equal intervals, a cross block (905) is clamped to the inner wall of the water feeding pipe (904), a sliding rod (906) is movably connected to the inner wall of the cross block (905), a block (907) is clamped to one end of the sliding rod (906), a supporting spring (908) is clamped to the position, corresponding to the outer side of the sliding rod (906), between the block (907) and the cross block (905), a sealing plate (909) is clamped to the other end of the sliding rod (906), a blocking ring (911) is clamped to the position, corresponding to one side of the sealing plate (909) on the inner wall of the water feeding pipe (904), a water tank (912) is fixedly connected to one side of the placing frame (2) through bolts), a water pumping pipe (913) is fixedly connected to one end of the water tank (912);

filter tank (801) one end bottom position department joint has back flow (915), base (1) top corresponds rack (2) bottom position department equidistance fixedly connected with lifting cylinder (916), two lifting cylinder (916) top all joint has a STB (917), STB (917) top corresponds lifting cylinder (916) inside position department and rotates and is connected with montant (918), and montant (918) joint has spiral otter board (919), two montant (918) top corresponds STB (917) top position department joint has second drive gear (920), rack (2) inner wall corresponds second drive gear (920) one side position department and rotates and is connected with fluted roller (910).

6. The wet ball mill for flue gas desulfurization according to claim 5, characterized in that: the junction of water storage ring (902) and rotatory ring (903) is filled with the waterproof pad, closing plate (909) one end is laminated mutually with fender ring (911) one end, drinking-water pipe (914) other end and water storage ring (902) outside fixed connection, suction pump (913) supply power through external power source.

7. The wet ball mill for flue gas desulfurization according to claim 5, characterized in that: the backflow pipe (915) is provided with a check valve on the outer side, the other end of the backflow pipe (915) penetrates through a lifting cylinder (916) and one end of a water tank (912) to be fixedly connected, the top end of the lifting cylinder (916) is communicated with the bottom end of a top box (917), a discharge port is formed in the bottom end of the top box (917), an inclined plane is arranged inside the top box (917), the top end of a toothed roller (910) is meshed with the bottom end of a driven gear (7), and the toothed roller (910) is meshed with a second transmission gear (920).

8. The wet ball mill for flue gas desulfurization according to claim 2, characterized in that: the steel ball screening and discharging mechanism (10) comprises a lining cylinder (1001), a convex plate (1002), a rectangular groove (1003), a frame (1004), a fixing plate (1005), a push cylinder (1006), a knob (1007), a push rod (1008), an arc-shaped cover plate (1009), a limiting plate (1010), a sliding groove (1011) and a storage box (1012);

the inside joint of ball mill section of thick bamboo (3) has interior bushing (1001), interior bushing (1001) inner wall equidistance joint has flange (1002), rectangular channel (1003) have been seted up to ball mill section of thick bamboo (3) inner wall, and the joint of interior bushing (1001) outside corresponding rectangular channel (1003) inside position department has frame (1004), frame (1004) inner wall joint has fixed plate (1005), fixed plate (1005) inner wall equidistance rotates to be connected with and pushes away a section of thick bamboo (1006), it has knob (1007) to push away a section of thick bamboo (1006) top and correspond fixed plate (1005) top position department melt, it has push rod (1008) through threaded connection to push rod (1006) bottom correspondence frame (1004) inside position department, push rod (1008) bottom corresponds interior bushing (1001) inside position department joint and has arc apron (1009), frame (1004) inner wall bottom position department joint has limiting plate (1010), spout (1011) have been seted up to rack (2) top correspondence ball mill section of thick bamboo (3) bottom position department symmetry, and rack (2) top is connected with storage box (1012) through spout (1011).

9. The wet ball mill for flue gas desulfurization according to claim 8, characterized in that: the cross section of the convex plate (1002) is triangular, the length and the width of the arc-shaped cover plate (1009) are both larger than those of the inner wall of the frame (1004), and the radian of the arc-shaped cover plate (1009) is equal to that of the lining barrel (1001).

10. The wet ball mill for flue gas desulfurization according to claim 8, characterized in that: the cross section of the limiting plate (1010) is trapezoidal, a handle is clamped at one end of the storage box (1012), and the length of the storage box (1012) is larger than that of the frame (1004).