CN118874841A - Coal preparation machine with screen spraying and coal powder drying and recovery mechanism - Google Patents
Coal preparation machine with screen spraying and coal powder drying and recovery mechanism Download PDFInfo
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- CN118874841A CN118874841A CN202411392814.4A CN202411392814A CN118874841A CN 118874841 A CN118874841 A CN 118874841A CN 202411392814 A CN202411392814 A CN 202411392814A CN 118874841 A CN118874841 A CN 118874841A
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- 238000001035 drying Methods 0.000 title claims abstract description 82
- 239000003245 coal Substances 0.000 title claims abstract description 79
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 239000000843 powder Substances 0.000 title claims abstract description 29
- 238000005507 spraying Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012216 screening Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 3
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
本发明公开了一种具有筛网喷洗和煤粉干燥回收机构的选煤机，涉及选煤机技术领域，包括箱体，箱体的顶部固定安装有进料管，进料管与箱体的内部连通，箱体的内部活动安装有筛网座，筛网座的内部固定安装有筛网，筛网为两端逐渐向下倾斜的矩形结构，箱体的内部下方设置有收集板，且收集板的内部从上到下逐渐变小，收集板的下方设置有烘干板，收集板用于对筛分出的煤粉进行收集，箱体的内部设置有清洗机构以及烘干机构，清洗机构包括有喷头座、喷头、进水管、活动槽以及传动块，喷头座横向设置在箱体的内部，喷头共有多个。本发明在达到了可对筛网进行均匀喷洗的同时，还提高了对筛网的喷洗效果。
The invention discloses a coal preparation machine with a screen spraying and coal powder drying and recovery mechanism, which relates to the technical field of coal preparation machines, and comprises a box body, a feed pipe is fixedly installed on the top of the box body, the feed pipe is connected with the inside of the box body, a screen seat is movably installed inside the box body, a screen is fixedly installed inside the screen seat, the screen is a rectangular structure with two ends gradually tilted downward, a collecting plate is arranged at the lower part of the box body, and the inside of the collecting plate gradually becomes smaller from top to bottom, a drying plate is arranged below the collecting plate, the collecting plate is used to collect the screened coal powder, a cleaning mechanism and a drying mechanism are arranged inside the box body, the cleaning mechanism comprises a nozzle seat, a nozzle, a water inlet pipe, a movable groove and a transmission block, the nozzle seat is transversely arranged inside the box body, and there are a plurality of nozzles. The invention can achieve uniform spraying of the screen while also improving the spraying effect of the screen.
Description
技术领域Technical Field
本发明涉及选煤机技术领域，尤其是涉及一种具有筛网喷洗和煤粉干燥回收机构的选煤机。The invention relates to the technical field of coal preparation machines, in particular to a coal preparation machine with a screen spraying and washing and coal powder drying and recovery mechanism.
背景技术Background Art
随着现代经济的飞速发展，为了更科学合理地使用为数不多的煤炭资源，大量原煤洗选加工已经是不可或缺的选择，原煤洗选是指对开采出的原煤进行加工处理，以去除杂质、提高煤炭品质和利用率的过程。With the rapid development of modern economy, in order to use the limited coal resources more scientifically and rationally, large-scale raw coal washing and processing has become an indispensable choice. Raw coal washing refers to the process of processing the mined raw coal to remove impurities and improve coal quality and utilization rate.
经检索公开号为CN208390407U的中国专利，公开了一种具有筛网喷洗和煤粉干燥回收机构的选煤机，包括选煤机本体，所述选煤机本体内部的中央设煤炭筛网层，所述煤炭筛网层的左右两端连接若干根传动杆，所述传动杆的一端从所述侧板内壁贯穿导出至外部，所述侧板外壁上安装有振动电机并与所述传动杆的导出端连接，所述顶盖的下端面上连接一排高压喷水口，所述底座的底端上方设一块煤粉回收滤网，所述煤粉回收滤网左右倾斜设立，所述煤粉回收滤网的低位端正对的所述侧板内壁上开设一煤粉回收口，所述选煤机本体的外侧连接一烘干箱，所述煤粉回收口与所述烘干箱连接。通过上述方式，该发明能够对选煤机的筛网进行清洗并将洗落的煤粉碎屑进行回收处理。After searching the Chinese patent with publication number CN208390407U, a coal preparation machine with screen spraying and coal powder drying and recovery mechanism is disclosed, including a coal preparation machine body, a coal screen layer is arranged in the center of the coal preparation machine body, and a plurality of transmission rods are connected to the left and right ends of the coal screen layer, one end of the transmission rod is led out from the inner wall of the side plate to the outside, a vibration motor is installed on the outer wall of the side plate and connected to the lead-out end of the transmission rod, a row of high-pressure water spray ports are connected to the lower end surface of the top cover, a coal powder recovery filter is arranged above the bottom end of the base, the coal powder recovery filter is tilted left and right, a coal powder recovery port is opened on the inner wall of the side plate facing the low end of the coal powder recovery filter, and a drying box is connected to the outer side of the coal preparation machine body, and the coal powder recovery port is connected to the drying box. In the above manner, the invention can clean the screen of the coal preparation machine and recycle the washed coal pulverized dust.
但是上述发明存在以下不足之处：However, the above invention has the following disadvantages:
上述装置在使用时，喷水口只能对筛网层的一处进行喷洗，虽然设置有多个喷头，但仍然可能存在死角，同时筛网层在进行筛分时，可能会存在一些细小的煤炭卡在筛网层中，直接的冲洗无法将这些卡住的煤炭冲洗出，导致对筛网层的喷洗效果不佳，进而影响筛网层的下一次使用。When the above device is in use, the water nozzle can only spray one part of the screen layer. Although multiple nozzles are provided, there may still be dead corners. At the same time, when the screen layer is screening, some fine coal may be stuck in the screen layer. Direct flushing cannot flush out the stuck coal, resulting in poor spraying effect on the screen layer, which in turn affects the next use of the screen layer.
发明内容Summary of the invention
本发明的目的在于提供一种具有筛网喷洗和煤粉干燥回收机构的选煤机，以解决上述背景技术中提出的问题。The object of the present invention is to provide a coal preparation machine with a screen spraying and coal powder drying and recovery mechanism to solve the problems raised in the above-mentioned background technology.
本发明的技术方案是：一种具有筛网喷洗和煤粉干燥回收机构的选煤机，包括箱体，箱体的顶部固定安装有进料管，进料管与箱体的内部连通，箱体的内部活动安装有筛网座，筛网座的内部固定安装有筛网，筛网为两端逐渐向下倾斜的矩形结构，箱体的内部下方设置有收集板，且收集板的内部从上到下逐渐变小，收集板的下方设置有烘干板，收集板用于对筛分出的煤粉进行收集，箱体的内部设置有清洗机构以及烘干机构；The technical solution of the present invention is: a coal preparation machine with a screen spraying and coal powder drying and recovery mechanism, comprising a box body, a feed pipe is fixedly installed on the top of the box body, the feed pipe is connected with the inside of the box body, a screen seat is movably installed inside the box body, a screen is fixedly installed inside the screen seat, the screen is a rectangular structure with both ends gradually inclined downward, a collecting plate is arranged at the lower part of the box body, and the inside of the collecting plate gradually becomes smaller from top to bottom, a drying plate is arranged below the collecting plate, the collecting plate is used to collect the screened coal powder, and a cleaning mechanism and a drying mechanism are arranged inside the box body;
所述清洗机构包括有喷头座、喷头、进水管、活动槽以及传动块，喷头座横向设置在箱体的内部，喷头共有多个，多个喷头分布均匀地固定安装在喷头座的底部并于喷头座的内部连通，进水管为可伸缩的圆柱形管，进水管固定安装在箱体的侧壁上，进水管的一端与喷头座之间连接，进水管的另一端与外界水泵连接，活动槽开设在箱体的内壁上对应喷头座的位置，传动块活动安装在活动槽的内部，且传动块与喷头座之间固定连接，箱体上还设置有传动机构；The cleaning mechanism includes a nozzle seat, a nozzle, a water inlet pipe, a movable groove and a transmission block. The nozzle seat is horizontally arranged inside the box. There are a plurality of nozzles. The plurality of nozzles are evenly distributed and fixedly installed at the bottom of the nozzle seat and are connected to the inside of the nozzle seat. The water inlet pipe is a retractable cylindrical pipe. The water inlet pipe is fixedly installed on the side wall of the box. One end of the water inlet pipe is connected to the nozzle seat, and the other end of the water inlet pipe is connected to an external water pump. The movable groove is provided on the inner wall of the box corresponding to the position of the nozzle seat. The transmission block is movably installed inside the movable groove, and the transmission block is fixedly connected to the nozzle seat. A transmission mechanism is also provided on the box.
所述传动机构包括有驱动轴、驱动电机、转轴、挤压轮、传动齿轮以及传动带，驱动轴活动安装在活动槽的内部，驱动电机固定安装在箱体的外侧壁上，驱动电机的输出端与驱动轴之间固定连接，转轴活动安装在箱体的侧壁上，挤压轮固定套接在转轴上，传动齿轮共有两个，两个传动齿轮分别固定套接在驱动轴以及转轴上，传动带活动套接在两个传动齿轮之间，传动带与两个传动齿轮啮合传动。The transmission mechanism includes a driving shaft, a driving motor, a rotating shaft, an extrusion wheel, a transmission gear and a transmission belt. The driving shaft is movably installed inside the movable groove, the driving motor is fixedly installed on the outer wall of the box body, the output end of the driving motor is fixedly connected to the driving shaft, the rotating shaft is movably installed on the side wall of the box body, the extrusion wheel is fixedly sleeved on the rotating shaft, there are two transmission gears, the two transmission gears are fixedly sleeved on the driving shaft and the rotating shaft respectively, the transmission belt is movably sleeved between the two transmission gears, and the transmission belt is meshed with the two transmission gears for transmission.
优选的，所述烘干机构包括有排水管、烘干箱、进风管、排风管、活动管、隔板、扭簧轴以及翻转板，排水管镶嵌安装在箱体的底部壁面，活动管活动安装在烘干板的底部壁面，活动管的一端位于排水管的内部，烘干箱固定安装在箱体的一侧，进风管为斜向设置的圆柱形管，进风管固定安装在烘干箱的输出端上，进风管的一端位于箱体的内部，排风管固定安装在箱体的另一侧侧壁上。Preferably, the drying mechanism includes a drain pipe, a drying box, an air inlet pipe, an exhaust pipe, a movable pipe, a partition, a torsion spring shaft and a flip plate. The drain pipe is embedded in the bottom wall of the box, the movable pipe is movably installed on the bottom wall of the drying plate, one end of the movable pipe is located inside the drain pipe, the drying box is fixedly installed on one side of the box, the air inlet pipe is an obliquely arranged cylindrical pipe, the air inlet pipe is fixedly installed on the output end of the drying box, one end of the air inlet pipe is located inside the box, and the exhaust pipe is fixedly installed on the other side wall of the box.
优选的，所述驱动轴为开设有往复螺纹的圆柱形结构，且驱动轴贯穿了传动块的侧壁与传动块之间螺纹连接。Preferably, the driving shaft is a cylindrical structure with a reciprocating thread, and the driving shaft passes through the side wall of the transmission block and is threadedly connected to the transmission block.
优选的，所述挤压轮为带有凸起的椭圆形结构，且挤压轮位于箱体内部的筛网座上方。Preferably, the extrusion wheel is an elliptical structure with a protrusion, and the extrusion wheel is located above the screen seat inside the box.
优选的，所述箱体的内部对称固定安装有两个安装板，安装板的上方设置有活动板，筛网座设置在活动板的顶部，活动板和安装板之间设置有多个安装杆，安装杆与活动板之间固定连接，安装杆贯穿了安装板的上下壁面，安装杆上套接有第一弹簧。Preferably, two mounting plates are symmetrically fixedly installed inside the box, a movable plate is arranged above the mounting plates, the screen seat is arranged on the top of the movable plate, a plurality of mounting rods are arranged between the movable plate and the mounting plate, the mounting rods are fixedly connected to the movable plate, the mounting rods pass through the upper and lower walls of the mounting plate, and a first spring is sleeved on the mounting rods.
优选的，所述隔板固定安装在箱体的内部对应进风管的位置，扭簧轴活动安装在隔板的一端，翻转板固定套接在扭簧轴上，且翻转板倾斜设置。Preferably, the partition is fixedly installed inside the box at a position corresponding to the air inlet duct, the torsion spring shaft is movably installed at one end of the partition, the flip plate is fixedly sleeved on the torsion spring shaft, and the flip plate is tilted.
优选的，所述烘干板的下方设置有第二弹簧，第二弹簧与烘干板之间连接，活动管的内部下方开设有排水口，排水口贯穿了活动管的内外侧壁，排水口的内部安装有滤网，使得沉淀物可留在烘干板的内部，排水管的内部下方开设有排水槽，当废水排到烘干板的内部时。Preferably, a second spring is provided below the drying plate and is connected to the drying plate. A drain outlet is provided below the interior of the movable tube and passes through the inner and outer side walls of the movable tube. A filter is installed inside the drain outlet so that the sediment can remain inside the drying plate. A drain groove is provided below the interior of the drain pipe. When waste water is discharged into the interior of the drying plate.
优选的，所述箱体的侧壁上开设有第一开口，筛网座的一端位于第一开口的内部，筛网座上固定安装有把手。Preferably, a first opening is provided on the side wall of the box body, one end of the screen seat is located inside the first opening, and a handle is fixedly mounted on the screen seat.
优选的，所述箱体的侧壁上对应收集板的位置开设有第二开口，收集板的一端位于第二开口的内部。Preferably, a second opening is provided on the side wall of the box body at a position corresponding to the collecting plate, and one end of the collecting plate is located inside the second opening.
本发明通过改进在此提供一种具有筛网喷洗和煤粉干燥回收机构的选煤机，与现有技术相比，具有如下改进及优点：The present invention provides a coal preparation machine with a screen spray washing and coal powder drying and recovery mechanism through improvement, which has the following improvements and advantages compared with the prior art:
其一：本发明通过设置有清洗机构，通过进水管可将水送入喷头座的内部，喷头座再可通过喷头喷出，当煤炭筛分完成后，即可通过喷头喷出的水对筛网进行喷洗，同时启动驱动电机，驱动电机可带动驱动轴旋转，而驱动轴与传动块之间螺纹连接，传动块就会在活动槽内部带动喷头座做往复运动，进而可均匀地对筛网的表面进行喷洗。First, the present invention is provided with a cleaning mechanism, and water can be sent into the interior of the nozzle seat through the water inlet pipe, and the nozzle seat can then spray water through the nozzle. When the coal screening is completed, the screen can be sprayed with water sprayed from the nozzle, and the drive motor is started at the same time. The drive motor can drive the drive shaft to rotate, and the drive shaft is threadedly connected to the transmission block. The transmission block will drive the nozzle seat to reciprocate in the movable groove, and then the surface of the screen can be evenly sprayed.
其二：本发明通过传动机构的设置，当启动驱动电机驱动喷头座在箱体的内部来回移动时，驱动轴的旋转即可通过传动齿轮和传动带带动转轴旋转，转轴进而带动挤压轮旋转，挤压轮的旋转就会对筛网座进行挤压，筛网座受到挤压后带动活动板向下移动，活动板向下移动可对第一弹簧进行挤压，以此往复，通过挤压轮对筛网座的挤压，筛网座受到挤压后可通过第一弹簧复位，从而使得筛网可在箱体的内部上下震动，上下振动可使得筛网的内部因为筛分而卡住的煤炭被震出，提高清洗效果，从而在达到了可对筛网进行均匀喷洗的同时，还提高了对筛网的喷洗效果。Secondly, the present invention sets a transmission mechanism. When the driving motor is started to drive the nozzle seat to move back and forth inside the box, the rotation of the driving shaft can drive the rotating shaft to rotate through the transmission gear and the transmission belt, and the rotating shaft then drives the extrusion wheel to rotate. The rotation of the extrusion wheel will squeeze the screen seat. After the screen seat is squeezed, it drives the movable plate to move downward. The downward movement of the movable plate can squeeze the first spring, and the screen seat can be reciprocated by the extrusion wheel. After being squeezed, the screen seat can be reset by the first spring, so that the screen can vibrate up and down inside the box. The up and down vibration can make the coal stuck in the screen due to screening be shaken out, thereby improving the cleaning effect. While achieving uniform spraying of the screen, the spraying effect of the screen is also improved.
其三：本发明中，在进行烘干时，进风管吹出的热风首先会吹到翻转板上，翻转板进而可对热风进行导风，使得热风可均匀地吹到烘干板的内部，通过调整驱动轴吹出热风的风力大小，可控制翻转板翻转的角度，从而可控制热风吹出的角度，进而可使得热风可吹到烘干板内部的每一处，进而使得烘干更为均匀，提高了烘干效果。Thirdly, in the present invention, during drying, the hot air blown out from the air inlet pipe will first be blown onto the flip plate, which can then guide the hot air so that the hot air can be evenly blown into the interior of the drying plate. By adjusting the wind force of the hot air blown out by the driving shaft, the flip angle of the flip plate can be controlled, thereby controlling the hot air blowing angle, and the hot air can be blown to every part of the drying plate, thereby making the drying more uniform and improving the drying effect.
其四：本发明中，当废水排到烘干板的内部时，在重力的作用下，烘干板就会在箱体的内部向下移动，同时对第二弹簧进行挤压，烘干板带动活动管在排水管的内部向下移动，当废水达到一定的量使得排水口移动至位于排水槽内部时，此时烘干板内部的废水即可被滤网过滤后进入排水槽的内部，然后通过排水管排出，从而达到了定量自动排水的效果。Fourthly, in the present invention, when waste water is discharged into the drying plate, the drying plate will move downward inside the box under the action of gravity, and at the same time squeeze the second spring, so that the drying plate drives the movable tube to move downward inside the drain pipe. When the waste water reaches a certain amount, the drain port moves to the inside of the drain groove. At this time, the waste water inside the drying plate can be filtered by the filter screen and enter the inside of the drain groove, and then discharged through the drain pipe, thereby achieving the effect of quantitative automatic drainage.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
图1为本发明中的主要内部结构示意图；FIG1 is a schematic diagram of the main internal structure of the present invention;
图2为本发明中的主要整体结构示意图；FIG2 is a schematic diagram of the main overall structure of the present invention;
图3为本发明中的图1中A处放大图；FIG3 is an enlarged view of point A in FIG1 of the present invention;
图4为本发明中的传动机构结构示意图；FIG4 is a schematic diagram of the transmission mechanism structure of the present invention;
图5为本发明中的图1中B处放大图；FIG5 is an enlarged view of point B in FIG1 of the present invention;
图6为本发明中的排水管内部结构示意图；FIG6 is a schematic diagram of the internal structure of the drain pipe in the present invention;
图7为本发明中的图1中C处放大图。FIG. 7 is an enlarged view of point C in FIG. 1 of the present invention.
附图标记：Reference numerals:
1、箱体；2、进料管；3、筛网座；4、筛网；5、第一开口；6、收集板；7、烘干板；8、喷头座；9、喷头；10、进水管；11、活动槽；12、驱动轴；13、传动块；14、驱动电机；15、转轴；16、挤压轮；17、传动齿轮；18、传动带；19、安装板；20、活动板；21、安装杆；22、第一弹簧；23、把手；24、第二开口；25、排水管；26、烘干箱；27、进风管；28、排风管；29、第二弹簧；30、活动管；31、排水口；32、滤网；33、排水槽；34、隔板；35、扭簧轴；36、翻转板。1. Box body; 2. Feed pipe; 3. Screen seat; 4. Screen; 5. First opening; 6. Collecting plate; 7. Drying plate; 8. Nozzle seat; 9. Nozzle; 10. Water inlet pipe; 11. Movable groove; 12. Drive shaft; 13. Transmission block; 14. Drive motor; 15. Rotating shaft; 16. Extrusion wheel; 17. Transmission gear; 18. Transmission belt; 19. Mounting plate; 20. Movable plate; 21. Mounting rod; 22. First spring; 23. Handle; 24. Second opening; 25. Drain pipe; 26. Drying box; 27. Air inlet pipe; 28. Exhaust pipe; 29. Second spring; 30. Movable pipe; 31. Drain port; 32. Filter; 33. Drain groove; 34. Partition; 35. Torsion spring shaft; 36. Flip plate.
具体实施方式DETAILED DESCRIPTION
下面对本发明进行详细说明，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
本发明通过改进在此提供一种具有筛网喷洗和煤粉干燥回收机构的选煤机，本发明的技术方案是：The present invention provides a coal preparation machine with a screen spray washing and coal powder drying and recovery mechanism through improvement. The technical solution of the present invention is:
如图1至图3所示，本发明实施例提供了一种具有筛网喷洗和煤粉干燥回收机构的选煤机，包括箱体1，箱体1为空心矩形结构，箱体1的顶部固定安装有进料管2，进料管2为空心结构，进料管2与箱体1的内部连通，进料管2的另一端与外界送料装置连接，箱体1的内部活动安装有筛网座3，筛网座3为空心矩形结构，筛网座3的内部固定安装有筛网4，筛网4为两端逐渐向下倾斜的矩形结构，进料管2用于将煤炭送入箱体1的内部，进入箱体1内部的煤炭就会落到筛网4上，筛网4即可对煤炭进行筛分，且筛网4的顶部为向两侧倾斜的斜面，当煤炭落到筛网4上时，就会沿着筛网4的斜面向两侧移动，进而使得煤炭可均匀地分布在筛网4上被筛分，箱体1的内部下方设置有收集板6，收集板6为空心矩形结构，且收集板6的内部从上到下逐渐变小，收集板6的下方设置有烘干板7，烘干板7为空心矩形结构，收集板6用于对筛分出的煤粉进行收集，箱体1的内部设置有清洗机构以及烘干机构；As shown in Figures 1 to 3, an embodiment of the present invention provides a coal preparation machine with a screen spraying and coal powder drying and recovery mechanism, including a box body 1, the box body 1 is a hollow rectangular structure, a feed pipe 2 is fixedly installed on the top of the box body 1, the feed pipe 2 is a hollow structure, the feed pipe 2 is connected to the inside of the box body 1, and the other end of the feed pipe 2 is connected to an external feeding device, a screen seat 3 is movably installed inside the box body 1, the screen seat 3 is a hollow rectangular structure, a screen 4 is fixedly installed inside the screen seat 3, and the screen 4 is a rectangular structure with both ends gradually inclined downward, and the feed pipe 2 is used to feed coal into the interior of the box body 1, and enter the box 1 The coal in the upper part will fall onto the screen 4, and the screen 4 can screen the coal, and the top of the screen 4 is an inclined surface inclined to both sides. When the coal falls onto the screen 4, it will move to both sides along the inclined surface of the screen 4, so that the coal can be evenly distributed on the screen 4 for screening. A collecting plate 6 is arranged at the lower part of the box 1. The collecting plate 6 is a hollow rectangular structure, and the inside of the collecting plate 6 gradually becomes smaller from top to bottom. A drying plate 7 is arranged at the lower part of the collecting plate 6. The drying plate 7 is a hollow rectangular structure. The collecting plate 6 is used to collect the screened coal powder. A cleaning mechanism and a drying mechanism are arranged inside the box 1.
进一步的，如图3和图4所示，清洗机构包括有喷头座8、喷头9、进水管10、活动槽11以及传动块13，喷头座8为空心矩形结构，喷头座8横向设置在箱体1的内部，喷头9共有多个，多个喷头9分布均匀地固定安装在喷头座8的底部并于喷头座8的内部连通，进水管10为可伸缩的圆柱形管，进水管10固定安装在箱体1的侧壁上，进水管10的一端与喷头座8之间连接，进水管10的另一端与外界水泵连接，活动槽11为矩形结构的槽，活动槽11开设在箱体1的内壁上对应喷头座8的位置，传动块13为矩形结构的块，传动块13活动安装在活动槽11的内部，且传动块13与喷头座8之间固定连接，箱体1上还设置有传动机构，通过进水管10可将水送入喷头座8的内部，喷头座8再可通过喷头9喷出，当煤炭筛分完成后，即可通过喷头9喷出的水对筛网4进行喷洗；Further, as shown in Figures 3 and 4, the cleaning mechanism includes a nozzle seat 8, a nozzle 9, a water inlet pipe 10, a movable groove 11 and a transmission block 13. The nozzle seat 8 is a hollow rectangular structure. The nozzle seat 8 is horizontally arranged inside the box 1. There are a plurality of nozzles 9. The plurality of nozzles 9 are evenly distributed and fixedly installed at the bottom of the nozzle seat 8 and connected to the inside of the nozzle seat 8. The water inlet pipe 10 is a retractable cylindrical pipe. The water inlet pipe 10 is fixedly installed on the side wall of the box 1. One end of the water inlet pipe 10 is connected to the nozzle seat 8. The water inlet pipe 10 The other end is connected to an external water pump, the movable groove 11 is a rectangular groove, the movable groove 11 is arranged on the inner wall of the box body 1 at a position corresponding to the nozzle seat 8, the transmission block 13 is a rectangular block, the transmission block 13 is movably installed inside the movable groove 11, and the transmission block 13 is fixedly connected to the nozzle seat 8, and a transmission mechanism is also provided on the box body 1, water can be sent into the nozzle seat 8 through the water inlet pipe 10, and the nozzle seat 8 can be sprayed out through the nozzle 9, and when the coal screening is completed, the screen 4 can be sprayed with water sprayed by the nozzle 9;
进一步的，传动机构包括有驱动轴12、驱动电机14、转轴15、挤压轮16、传动齿轮17以及传动带18，驱动轴12为开设有往复螺纹的圆柱形结构，驱动轴12活动安装在活动槽11的内部，且驱动轴12贯穿了传动块13的侧壁与传动块13之间螺纹连接，驱动电机14固定安装在箱体1的外侧壁上，驱动电机14的输出端与驱动轴12之间固定连接，转轴15为圆柱形结构，转轴15活动安装在箱体1的侧壁上，挤压轮16为带有凸起的椭圆形结构，挤压轮16固定套接在转轴15上，且挤压轮16位于箱体1内部的筛网座3上方，传动齿轮17共有两个，两个传动齿轮17分别固定套接在驱动轴12以及转轴15上，传动带18活动套接在两个传动齿轮17之间，传动带18与两个传动齿轮17啮合传动，在进行喷洗时，可启动驱动电机14，驱动电机14可带动驱动轴12旋转，而驱动轴12与传动块13之间螺纹连接，传动块13就会在活动槽11内部带动喷头座8做往复运动，进而可均匀地对筛网4的表面进行喷洗；Furthermore, the transmission mechanism includes a drive shaft 12, a drive motor 14, a rotating shaft 15, an extrusion wheel 16, a transmission gear 17 and a transmission belt 18. The drive shaft 12 is a cylindrical structure with a reciprocating thread. The drive shaft 12 is movably installed in the movable groove 11, and the drive shaft 12 passes through the side wall of the transmission block 13 and is threadedly connected with the transmission block 13. The drive motor 14 is fixedly installed on the outer wall of the box body 1, and the output end of the drive motor 14 is fixedly connected to the drive shaft 12. The rotating shaft 15 is a cylindrical structure, and the rotating shaft 15 is movably installed on the side wall of the box body 1. The extrusion wheel 16 is an elliptical structure with a protrusion. 16 is fixedly sleeved on the rotating shaft 15, and the extrusion wheel 16 is located above the screen seat 3 inside the box body 1. There are two transmission gears 17. The two transmission gears 17 are fixedly sleeved on the driving shaft 12 and the rotating shaft 15 respectively. The transmission belt 18 is movably sleeved between the two transmission gears 17. The transmission belt 18 is meshed with the two transmission gears 17 for transmission. When spraying, the driving motor 14 can be started, and the driving motor 14 can drive the driving shaft 12 to rotate. The driving shaft 12 is threadedly connected to the transmission block 13, and the transmission block 13 will drive the nozzle seat 8 to reciprocate in the movable groove 11, so that the surface of the screen 4 can be sprayed evenly;
进一步的，如图1和图5所示，箱体1的内部对称固定安装有两个安装板19，安装板19为矩形结构的板，安装板19的上方设置有活动板20，活动板20为“L”形的板，筛网座3设置在活动板20的顶部，活动板20和安装板19之间设置有多个安装杆21，安装杆21为圆柱形的杆，安装杆21与活动板20之间固定连接，安装杆21贯穿了安装板19的上下壁面，安装杆21上套接有第一弹簧22，通过传动机构的设置，当启动驱动电机14驱动喷头座8在箱体1的内部来回移动时，驱动轴12的旋转即可通过传动齿轮17和传动带18带动转轴15旋转，转轴15进而带动挤压轮16旋转，挤压轮16的旋转就会对筛网座3进行挤压，筛网座3受到挤压后带动活动板20向下移动，活动板20向下移动可对第一弹簧22进行挤压，以此往复，通过挤压轮16对筛网座3的挤压，筛网座3受到挤压后可通过第一弹簧22复位，从而使得筛网4可在箱体1的内部上下震动，上下振动可使得筛网4的内部因为筛分而卡住的煤炭被震出，提高清洗效果，从而在达到了可对筛网4进行均匀喷洗的同时，还提高了对筛网4的喷洗效果。Further, as shown in Figures 1 and 5, two mounting plates 19 are symmetrically fixedly installed inside the box body 1. The mounting plate 19 is a plate with a rectangular structure. A movable plate 20 is arranged above the mounting plate 19. The movable plate 20 is an "L"-shaped plate. The screen seat 3 is arranged on the top of the movable plate 20. A plurality of mounting rods 21 are arranged between the movable plate 20 and the mounting plate 19. The mounting rods 21 are cylindrical rods. The mounting rods 21 are fixedly connected to the movable plate 20. The mounting rods 21 penetrate the upper and lower walls of the mounting plate 19. The first spring 22 is sleeved on the mounting rods 21. Through the setting of the transmission mechanism, when the drive motor 14 is started to drive the nozzle seat 8 to move back and forth inside the box body 1, the rotation of the drive shaft 12 can be The transmission gear 17 and the transmission belt 18 drive the rotating shaft 15 to rotate, and the rotating shaft 15 further drives the extrusion wheel 16 to rotate. The rotation of the extrusion wheel 16 will squeeze the screen seat 3. After the screen seat 3 is squeezed, it drives the movable plate 20 to move downward. The movable plate 20 moves downward to squeeze the first spring 22, and the screen seat 3 is squeezed by the extrusion wheel 16. After being squeezed, it can be reset by the first spring 22, so that the screen 4 can vibrate up and down inside the box 1. The up and down vibration can make the coal stuck in the screen 4 due to screening be shaken out, thereby improving the cleaning effect. While achieving the goal of uniform spraying of the screen 4, the spraying effect of the screen 4 is also improved.
进一步的，如图1、图6以及图7所示，烘干机构包括有排水管25、烘干箱26、进风管27、排风管28、活动管30、隔板34、扭簧轴35以及翻转板36，排水管25为空心矩形结构，排水管25镶嵌安装在箱体1的底部壁面，活动管30为空心矩形结构，活动管30活动安装在烘干板7的底部壁面，活动管30的一端位于排水管25的内部，冲洗时产生的废水就会落到烘干板7的内部被收集，废水可通过排水管25和活动管30排出箱体1的内部，沉淀物则会留在烘干板7的内部，烘干箱26固定安装在箱体1的一侧，进风管27为斜向设置的圆柱形管，进风管27固定安装在烘干箱26的输出端上，进风管27的一端位于箱体1的内部，排风管28为圆柱形的管，排风管28固定安装在箱体1的另一侧侧壁上，当烘干板7的内部的废水排出只剩沉淀物时，即可启动烘干箱26，烘干箱26通过进风管27可向烘干板7的内部吹出热风，进而可对烘干板7内部的沉淀物进行干燥，排风管28用于将冷却后的风排出，隔板34为矩形结构的板，隔板34固定安装在箱体1的内部对应进风管27的位置，扭簧轴35为圆柱形结构，扭簧轴35活动安装在隔板34的一端，翻转板36为矩形结构的板，翻转板36固定套接在扭簧轴35上，且翻转板36倾斜设置，在进行烘干时，进风管27吹出的热风首先会吹到翻转板36上，翻转板36进而可对热风进行导风，使得热风可均匀地吹到烘干板7的内部，通过调整驱动轴12吹出热风的风力大小，可控制翻转板36翻转的角度，从而可控制热风吹出的角度，进而可使得热风可吹到烘干板7内部的每一处，进而使得烘干更为均匀，提高了烘干效果；Further, as shown in Figures 1, 6 and 7, the drying mechanism includes a drain pipe 25, a drying box 26, an air inlet pipe 27, an exhaust pipe 28, a movable pipe 30, a partition 34, a torsion spring shaft 35 and a flip plate 36. The drain pipe 25 is a hollow rectangular structure, and the drain pipe 25 is embedded and installed on the bottom wall of the box body 1. The movable pipe 30 is a hollow rectangular structure, and the movable pipe 30 is movably installed on the bottom wall of the drying plate 7. One end of the movable pipe 30 is located inside the drain pipe 25, and the waste water generated during flushing will fall. The waste water can be discharged from the inside of the box 1 through the drain pipe 25 and the movable pipe 30, and the sediment will remain in the drying plate 7. The drying box 26 is fixedly installed on one side of the box 1, and the air inlet pipe 27 is a cylindrical pipe arranged obliquely. The air inlet pipe 27 is fixedly installed on the output end of the drying box 26. One end of the air inlet pipe 27 is located inside the box 1. The exhaust pipe 28 is a cylindrical pipe, and the exhaust pipe 28 is fixedly installed on the other side wall of the box 1. When the waste water inside the drying plate 7 is discharged, the waste water can be discharged from the inside of the box 1 through the drain pipe 25 and the movable pipe 30. The sediment will remain in the inside of the drying plate 7. When only sediment is left, the drying box 26 can be started. The drying box 26 can blow hot air into the drying plate 7 through the air inlet pipe 27, so as to dry the sediment inside the drying plate 7. The exhaust pipe 28 is used to discharge the cooled air. The partition 34 is a rectangular plate, which is fixedly installed in the box body 1 at a position corresponding to the air inlet pipe 27. The torsion spring shaft 35 is a cylindrical structure, which is movably installed at one end of the partition 34. The flip plate 36 is a rectangular plate, and the flip plate 36 is fixedly installed. The flip plate 36 is connected to the torsion spring shaft 35, and the flip plate 36 is tilted. When drying, the hot air blown out of the air inlet pipe 27 will first blow to the flip plate 36, and the flip plate 36 can then guide the hot air so that the hot air can be evenly blown to the inside of the drying plate 7. By adjusting the wind force of the hot air blown out by the drive shaft 12, the flip angle of the flip plate 36 can be controlled, thereby controlling the hot air blowing angle, and then the hot air can be blown to every place inside the drying plate 7, thereby making the drying more uniform and improving the drying effect.
进一步的，烘干板7的下方设置有第二弹簧29，第二弹簧29与烘干板7之间连接，活动管30的内部下方开设有排水口31，排水口31为矩形结构的槽，排水口31贯穿了活动管30的内外侧壁，排水口31的内部安装有滤网32，通过滤网32对排出的废水进行过滤，使得沉淀物可留在烘干板7的内部，排水管25的内部下方开设有排水槽33，当废水排到烘干板7的内部时，在重力的作用下，烘干板7就会在箱体1的内部向下移动，同时对第二弹簧29进行挤压，烘干板7带动活动管30在排水管25的内部向下移动，当废水达到一定的量使得排水口31移动至位于排水槽33内部时，此时烘干板7内部的废水即可被滤网32过滤后进入排水槽33的内部，然后通过排水管25排出，从而达到了定量自动排水的效果。Furthermore, a second spring 29 is provided below the drying plate 7, and the second spring 29 is connected to the drying plate 7. A drain port 31 is provided below the movable tube 30, and the drain port 31 is a groove of a rectangular structure. The drain port 31 penetrates the inner and outer side walls of the movable tube 30, and a filter screen 32 is installed inside the drain port 31. The discharged waste water is filtered by the filter screen 32 so that the sediment can remain in the drying plate 7. A drain groove 33 is provided below the drain pipe 25. When the waste water is discharged into the drying plate 7, the drying plate 7 will move downward inside the box body 1 under the action of gravity, and at the same time squeeze the second spring 29, and the drying plate 7 drives the movable tube 30 to move downward inside the drain pipe 25. When the waste water reaches a certain amount, the drain port 31 moves to the inside of the drain groove 33. At this time, the waste water inside the drying plate 7 can be filtered by the filter screen 32 and enter the inside of the drain groove 33, and then be discharged through the drain pipe 25, thereby achieving the effect of quantitative automatic drainage.
进一步，如图1、图2以及图5所示，箱体1的侧壁上开设有第一开口5，筛网座3的一端位于第一开口5的内部，筛网座3上固定安装有把手23，筛网座3以及把手23便于将筛网座3和筛网4从箱体1的内部取出，进而便于对筛网4进行更换或进一步清洁；Further, as shown in FIGS. 1 , 2 and 5 , a first opening 5 is provided on the side wall of the box body 1, one end of the screen seat 3 is located inside the first opening 5, and a handle 23 is fixedly mounted on the screen seat 3. The screen seat 3 and the handle 23 facilitate the removal of the screen seat 3 and the screen 4 from the inside of the box body 1, thereby facilitating the replacement or further cleaning of the screen 4.
进一步的，箱体1的侧壁上对应收集板6的位置开设有第二开口24，收集板6的一端位于第二开口24的内部，收集板6用于对筛分出的煤粉进行收集，通过第二开口24可将收集板6从箱体1的内部取出，便于对煤粉的收集，同时在对筛网4进行喷洗时，可将收集板6从箱体1的内部取出，避免水落到收集板6的内部。Furthermore, a second opening 24 is provided on the side wall of the box body 1 at a position corresponding to the collecting plate 6, and one end of the collecting plate 6 is located inside the second opening 24. The collecting plate 6 is used to collect the screened coal powder. The collecting plate 6 can be taken out from the inside of the box body 1 through the second opening 24 to facilitate the collection of the coal powder. At the same time, when the screen 4 is sprayed and washed, the collecting plate 6 can be taken out from the inside of the box body 1 to prevent water from falling into the inside of the collecting plate 6.
具体实施步骤：通过进料管2将煤炭送入箱体1的内部，进入箱体1内部的煤炭就会落到筛网4上，筛网4即可对煤炭进行筛分，且筛网4的顶部为向两侧倾斜的斜面，当煤炭落到筛网4上时，就会沿着筛网4的斜面向两侧移动，进而使得煤炭可均匀地分布在筛网4上被筛分，通过设置有清洗机构，通过进水管10可将水送入喷头座8的内部，喷头座8再可通过喷头9喷出，当煤炭筛分完成后，即可通过喷头9喷出的水对筛网4进行喷洗，同时启动驱动电机14，驱动电机14可带动驱动轴12旋转，而驱动轴12与传动块13之间螺纹连接，传动块13就会在活动槽11内部带动喷头座8做往复运动，进而可均匀地对筛网4的表面进行喷洗；Specific implementation steps: coal is fed into the interior of the box body 1 through the feed pipe 2, and the coal entering the interior of the box body 1 will fall onto the screen 4, and the screen 4 can screen the coal, and the top of the screen 4 is an inclined surface inclined to both sides. When the coal falls on the screen 4, it will move to both sides along the inclined surface of the screen 4, so that the coal can be evenly distributed on the screen 4 for screening. By providing a cleaning mechanism, water can be fed into the interior of the nozzle seat 8 through the water inlet pipe 10, and the nozzle seat 8 can then be sprayed through the nozzle 9. When the coal screening is completed, the screen 4 can be sprayed with water sprayed from the nozzle 9, and the drive motor 14 is started at the same time. The drive motor 14 can drive the drive shaft 12 to rotate, and the drive shaft 12 is threadedly connected to the transmission block 13. The transmission block 13 will drive the nozzle seat 8 to reciprocate in the movable groove 11, so that the surface of the screen 4 can be evenly sprayed;
同时通过传动机构的设置，当启动驱动电机14驱动喷头座8在箱体1的内部来回移动时，驱动轴12的旋转即可通过传动齿轮17和传动带18带动转轴15旋转，转轴15进而带动挤压轮16旋转，挤压轮16的旋转就会对筛网座3进行挤压，筛网座3受到挤压后带动活动板20向下移动，活动板20向下移动可对第一弹簧22进行挤压，以此往复，通过挤压轮16对筛网座3的挤压，筛网座3受到挤压后可通过第一弹簧22复位，从而使得筛网4可在箱体1的内部上下震动，上下振动可使得筛网4的内部因为筛分而卡住的煤炭被震出，提高清洗效果，从而在达到了可对筛网4进行均匀喷洗的同时，还提高了对筛网4的喷洗效果。At the same time, through the setting of the transmission mechanism, when the drive motor 14 is started to drive the nozzle seat 8 to move back and forth inside the box body 1, the rotation of the drive shaft 12 can drive the rotating shaft 15 to rotate through the transmission gear 17 and the transmission belt 18, and the rotating shaft 15 then drives the extrusion wheel 16 to rotate. The rotation of the extrusion wheel 16 will squeeze the screen seat 3. After the screen seat 3 is squeezed, it drives the movable plate 20 to move downward. The movable plate 20 moves downward to squeeze the first spring 22, and the screen seat 3 is squeezed by the extrusion wheel 16. After being squeezed, it can be reset by the first spring 22, so that the screen 4 can vibrate up and down inside the box body 1. The up and down vibration can make the coal stuck in the screen 4 due to screening be shaken out, thereby improving the cleaning effect, thereby achieving uniform spraying of the screen 4 while also improving the spraying effect of the screen 4.
上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
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