CN111841860B - Coarse aggregate filling selectable particle size circular vibrating screen - Google Patents
Coarse aggregate filling selectable particle size circular vibrating screen Download PDFInfo
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- CN111841860B CN111841860B CN202010630624.7A CN202010630624A CN111841860B CN 111841860 B CN111841860 B CN 111841860B CN 202010630624 A CN202010630624 A CN 202010630624A CN 111841860 B CN111841860 B CN 111841860B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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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
- B07B1/42—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
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- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
本发明公开了一种粗骨料充填可选粒径圆振筛,包括:均以椭圆形路径进行摆动的粗筛网、中筛网和细筛网;所述粗筛网、中筛网和细筛网由上至下依次设置,且网孔直径依次减小;一第一活动选料挡板沿长度方向设置于中筛网上,且沿中筛网的宽度方向位置可调;一第二活动选料挡板沿长度方向设置于细筛网上,且沿细筛网的宽度方向上位置可调;本发明设置三层筛网,且在筛网上设置活动选料挡板及下料口,使得筛上物料可以通过下料口进入筛下集料口,实现同时筛分多种粒径碎石;本发明中的活动选料挡板沿筛网的宽度方向上位置可调,从而实现调节所需碎石粒径分布的目的,筛分出来的成品碎石粒径多样化,可以满足不同的充填工况要求。
The invention discloses a coarse aggregate filling circular vibrating screen with selectable particle size, comprising: a coarse screen, a middle screen and a fine screen, all of which swing in an elliptical path; the coarse screen, the middle screen and the fine screen are arranged in sequence from top to bottom, and the mesh diameters decrease in sequence; a first movable material selection baffle is arranged on the middle screen along the length direction, and its position is adjustable along the width direction of the middle screen; a second movable material selection baffle is arranged on the fine screen along the length direction, and its position is adjustable along the width direction of the fine screen; the invention arranges three layers of screens, and movable material selection baffles and a discharge port are arranged on the screens, so that the material on the screen can enter the aggregate port under the screen through the discharge port, thereby realizing the simultaneous screening of crushed stones with multiple particle sizes; the movable material selection baffle in the invention is adjustable in position along the width direction of the screen, thereby realizing the purpose of adjusting the required crushed stone particle size distribution, and the particle size of the finished crushed stones screened out is diversified, which can meet the requirements of different filling working conditions.
Description
技术领域Technical Field
本发明涉及矿业生产设备技术领域,尤其涉及一种粗骨料充填可选粒径圆振筛。The invention relates to the technical field of mining production equipment, in particular to a coarse aggregate filling circular vibrating screen with selectable particle size.
背景技术Background Art
圆振筛主要用于粗骨料碎石筛分环节,主要应用于矿山碎石充填领域。目前,国内现有筛分设备有圆振筛、直线筛、固定筛、弧形筛等,现有筛分设备存在以下缺点:筛下部分碎石粒径分布情况由破碎设备决定,筛分形式呆板;筛网尺寸确定之后,只能筛分某一固定粒径碎石,无法人工调节所需碎石粒径分布;如果筛分成品粒径分布不合理,即碎石级配不良,无法通过筛分进行调整。Circular vibrating screen is mainly used for the screening of coarse aggregate gravel, and is mainly used in the field of mine gravel filling. At present, the existing screening equipment in China includes circular vibrating screen, linear screen, fixed screen, arc screen, etc. The existing screening equipment has the following disadvantages: the particle size distribution of the crushed stone under the screen is determined by the crushing equipment, and the screening form is rigid; after the screen size is determined, it can only screen a certain fixed particle size of gravel, and the required crushed stone particle size distribution cannot be adjusted manually; if the particle size distribution of the screened product is unreasonable, that is, the crushed stone gradation is poor, it cannot be adjusted through screening.
申请号为CN201720368308.0的专利提出了一种圆振筛振动器,包括筛箱,所述筛箱上部连接有转接管,所述转接管上部固定有入料口,所述筛箱下侧通过架设杆固定,所述筛箱下侧连接有输料箱,所述筛箱下侧连接有弹性杆,所述弹性杆外侧安装有弹簧组,所述弹性杆下侧连接有固定柱,所述筛箱左侧连接有拉杆,所述拉杆左侧设置有电机,所述电机通过立杆架设,所述立杆下侧通过底板固定,所述电机与皮带连接,且电机通过皮带与旋转轮连接,所述筛箱内部设置有筛板,所述筛板上部开设有筛孔,且筛板上部焊接有限位块;该技术可使细粒级有机会向料层下部移动,并通过筛孔排出,卡在筛孔中的物料可以跳出,防止筛孔堵塞,但不能调节碎石粒径分布。The patent with application number CN201720368308.0 proposes a circular vibrating screen vibrator, including a screen box, a transfer tube is connected to the upper part of the screen box, a feed port is fixed to the upper part of the transfer tube, the lower side of the screen box is fixed by a mounting rod, a feed box is connected to the lower side of the screen box, an elastic rod is connected to the lower side of the screen box, a spring group is installed on the outer side of the elastic rod, a fixing column is connected to the lower side of the elastic rod, a pull rod is connected to the left side of the screen box, a motor is arranged on the left side of the pull rod, the motor is erected by a vertical pole, the lower side of the vertical pole is fixed by a bottom plate, the motor is connected to a belt, and the motor is connected to a rotating wheel through a belt, a screen plate is arranged inside the screen box, a screen hole is opened on the upper part of the screen plate, and a limiting block is welded on the upper part of the screen plate; this technology can make the fine particle size have the opportunity to move to the lower part of the material layer and be discharged through the screen hole, and the material stuck in the screen hole can jump out to prevent the screen hole from being blocked, but the particle size distribution of the gravel cannot be adjusted.
因此,亟需一种粗骨料充填可选粒径圆振筛来解决现有的技术问题。Therefore, there is an urgent need for a coarse aggregate filling and selectable particle size circular vibrating screen to solve the existing technical problems.
发明内容Summary of the invention
针对上述现有技术的不足,本发明的目的是提供一种粗骨料充填可选粒径圆振筛,。In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a coarse aggregate filling circular vibrating screen with selectable particle size.
本发明是通过以下技术方案予以实现的。The present invention is achieved through the following technical solutions.
一种粗骨料充填可选粒径圆振筛,包括:A coarse aggregate filling and selectable particle size circular vibrating screen, comprising:
均以椭圆形路径进行摆动的粗筛网、中筛网和细筛网;coarse, medium and fine screens that all oscillate in an elliptical path;
所述粗筛网、中筛网和细筛网由上至下依次设置,且网孔直径依次减小;The coarse screen, the medium screen and the fine screen are arranged in sequence from top to bottom, and the mesh diameters decrease in sequence;
一第一活动选料挡板沿长度方向设置于所述中筛网上,且沿中筛网的宽度方向位置可调;A first movable material selection baffle is arranged on the middle screen along the length direction and is adjustable in position along the width direction of the middle screen;
一第二活动选料挡板沿长度方向设置于所述细筛网上,且沿细筛网的宽度方向上位置可调。A second movable material selection baffle is arranged on the fine screen along the length direction, and its position is adjustable along the width direction of the fine screen.
所述细筛网的下部设置有筛下集料口。A screen aggregate opening is arranged at the lower part of the fine screen.
所述中筛网的一端设置有第一分层下料口;A first layered material discharge port is provided at one end of the middle screen;
所述第一分层下料口处于第一活动选料挡板的一侧。The first layered material discharge port is located on one side of the first movable material selection baffle.
所述细筛网的一端设置有第二分层下料口;A second layered discharge port is provided at one end of the fine screen;
所述第二分层下料口处于第二活动选料挡板的一侧;The second layered material discharge port is located on one side of the second movable material selection baffle;
第二分层下料口与第一分层下料口上下对齐。The second layer discharge opening is aligned vertically with the first layer discharge opening.
与现有技术相比,本发明的有益效果在于:Compared with the prior art, the present invention has the following beneficial effects:
1)本发明设置三层筛网,且在筛网上设置活动选料挡板及下料口,使得筛上物料可以通过下料口进入筛下集料口,筛分效果好且实现同时筛分多种粒径碎石;1) The present invention is provided with three layers of screens, and a movable material selection baffle and a material discharge port are provided on the screens, so that the material on the screen can enter the material collection port under the screen through the material discharge port, and the screening effect is good and the screening of crushed stones with various particle sizes can be achieved at the same time;
2)本发明中的活动选料挡板沿筛网的宽度方向上位置可调,从而实现调节所需碎石粒径分布的目的,人为的选择筛下部分碎石粒径分布,成品粒径不再由破碎设备性能决定;2) The movable material selection baffle in the present invention is adjustable in position along the width direction of the screen, thereby achieving the purpose of adjusting the required crushed stone particle size distribution, artificially selecting the crushed stone particle size distribution under the screen, and the finished product particle size is no longer determined by the performance of the crushing equipment;
3)本发明筛分出来的成品碎石粒径多样化,可以满足不同的充填工况要求。3) The finished crushed stones screened by the present invention have various particle sizes, which can meet the requirements of different filling conditions.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明的结构示意图;Fig. 1 is a schematic structural diagram of the present invention;
图中:1、粗筛网;2、中筛网;3、细筛网;4、筛下集料口;5、第一活动选料挡板;6、第一分层下料口;7、第二活动选料挡板;8、第二分层下料口。In the figure: 1. coarse screen; 2. medium screen; 3. fine screen; 4. under-screen aggregate opening; 5. first movable material selection baffle; 6. first layered material discharge opening; 7. second movable material selection baffle; 8. second layered material discharge opening.
具体实施方式DETAILED DESCRIPTION
以下将结合附图对本发明各实施例的技术方案进行清楚、完整的描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所得到的所有其它实施例,都属于本发明所保护的范围。The following will clearly and completely describe the technical solutions of various embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative work are within the scope of protection of the present invention.
下面通过具体的实施例并结合附图对本发明做进一步的详细描述。The present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.
如图1所示,一种粗骨料充填可选粒径圆振筛,包括;As shown in FIG1 , a coarse aggregate filling and selectable particle size circular vibrating screen comprises:
粗筛网1、中筛网2和细筛网3;Coarse screen 1, medium screen 2 and fine screen 3;
所述粗筛网1、中筛网2和细筛网3由上至下依次设置;The coarse screen 1, the medium screen 2 and the fine screen 3 are arranged in sequence from top to bottom;
所述粗筛网1、中筛网2和细筛网3的网孔直径依次减小;The mesh diameters of the coarse screen 1, the medium screen 2 and the fine screen 3 decrease in sequence;
所述粗筛网1、中筛网2和细筛网3均以椭圆形路径进行摆动;The coarse screen 1, the medium screen 2 and the fine screen 3 all swing in an elliptical path;
所述细筛网3的下部设置有筛下集料口4;The lower part of the fine screen 3 is provided with a screen-under-aggregation opening 4;
碎石由破碎机破碎后,由皮带输送机输送至圆振筛上端,进入粗筛网1;After the crushed stone is crushed by the crusher, it is transported to the upper end of the circular vibrating screen by a belt conveyor and enters the coarse screen 1;
摆动的粗筛网1对碎石进行筛分;The oscillating coarse screen 1 screens the crushed stone;
具体的,粗筛网1的网孔直径为10mm;Specifically, the mesh diameter of the coarse screen 1 is 10 mm;
粒径小于粗筛网1网孔直径的碎石颗粒通过粗筛网1的网孔落至中筛网2;The crushed stone particles with a particle size smaller than the mesh diameter of the coarse screen 1 pass through the mesh of the coarse screen 1 and fall onto the medium screen 2;
摆动的中筛网2对碎石进行筛分;The swinging middle screen 2 screens the crushed stone;
具体的,中筛网2的网孔直径为8mm-10mm;Specifically, the mesh diameter of the middle screen 2 is 8mm-10mm;
粒径小于中筛网2网孔直径的碎石颗粒通过中筛网2的网孔落至细筛网3;The crushed stone particles with a particle size smaller than the mesh diameter of the middle screen 2 fall through the mesh of the middle screen 2 to the fine screen 3;
摆动的细筛网3对碎石进行筛分;The oscillating fine screen 3 screens the gravel;
具体的,细筛网3的网孔直径为5mm-8mm;Specifically, the mesh diameter of the fine screen 3 is 5 mm-8 mm;
粒径小于细筛网3网孔直径的碎石颗粒通过中筛网2的网孔落至筛下集料口4。Crushed stone particles with a particle size smaller than the mesh diameter of the fine screen 3 pass through the mesh of the medium screen 2 and fall to the under-screen aggregate opening 4.
所述中筛网2沿长度方向设置有第一活动选料挡板5;The middle screen 2 is provided with a first movable material selection baffle 5 along the length direction;
所述第一活动选料挡板5在中筛网2的宽度方向位置可调;The first movable material selection baffle 5 is adjustable in the width direction of the middle screen 2;
所述中筛网2的一端设置有第一分层下料口6;One end of the middle screen 2 is provided with a first layered discharge port 6;
所述第一分层下料口6处于第一活动选料挡板5的一侧;The first layered material discharge port 6 is located on one side of the first movable material selection baffle 5;
所述细筛网3沿长度方向设置有第二活动选料挡板7;The fine screen 3 is provided with a second movable material selection baffle 7 along the length direction;
所述第二活动选料挡板7在细筛网3的宽度方向上位置可调;The second movable material selection baffle 7 is positionally adjustable in the width direction of the fine screen 3;
所述细筛网3的一端设置有第二分层下料口8;A second layered discharge port 8 is provided at one end of the fine screen 3;
所述第二分层下料口8处于第二活动选料挡板7的一侧;The second layered material discharge port 8 is located on one side of the second movable material selection baffle 7;
第二分层下料口8与第一分层下料口6上下对齐;The second layered material discharge port 8 is aligned vertically with the first layered material discharge port 6;
从粗筛网1网孔内落下的碎石落在中筛网2上;The crushed stones falling from the mesh of the coarse screen 1 fall on the medium screen 2;
第一活动选料挡板5将落在中筛网2上的碎石分为两部分;The first movable material selection baffle 5 divides the crushed stones falling on the middle screen 2 into two parts;
对于中筛网2的筛上物料,第一活动选料挡板5一侧的筛上物料通过摆动作用力排出中筛网2,经过输送装置输送返回值破碎机,继续破碎;For the material on the middle screen 2, the material on the side of the first movable material selection baffle 5 is discharged from the middle screen 2 by the swinging force, and is transported back to the crusher through the conveying device for further crushing;
第一活动选料挡板5另一侧的筛上物料通过第一分层下料口6及第二分层下料口8落入筛下集料口4;The material on the other side of the first movable material selection baffle 5 falls into the under-screen material collection port 4 through the first layer discharge port 6 and the second layer discharge port 8;
第二活动选料挡板7将落在细筛网3上的碎石分为两部分;The second movable material selection baffle 7 divides the crushed stones falling on the fine screen 3 into two parts;
对于细筛网3的筛上物料,第二活动选料挡板7一侧的筛上物料通过摆动作用力排出细筛网3,经过输送装置输送返回值破碎机,继续破碎;For the material on the fine screen 3, the material on the side of the second movable material selection baffle 7 is discharged from the fine screen 3 by the swinging force, and is transported back to the crusher through the conveying device for further crushing;
第二活动选料挡板7另一侧的筛上物料通过第二分层下料口8落入筛下集料口4;The material on the other side of the second movable material selection baffle 7 falls into the under-screen material collection port 4 through the second layered material discharge port 8;
这样筛下集料口4处包括中筛网2筛上物料(粗料)、细筛网3筛上物料(中料)及细筛网3筛下物料(细料);In this way, the material collecting opening 4 under the screen includes the material on the middle screen 2 (coarse material), the material on the fine screen 3 (medium material) and the material under the fine screen 3 (fine material);
其中,粗料的占比可通过改变第一活动选料挡板5在中筛网2宽度方向的位置来调整;中料的占比可通过改变第二活动选料挡板7在细筛网3宽度方向的位置来调整;进而达到碎石粒径可选的目的。Among them, the proportion of coarse materials can be adjusted by changing the position of the first movable material selection baffle 5 in the width direction of the medium screen 2; the proportion of medium materials can be adjusted by changing the position of the second movable material selection baffle 7 in the width direction of the fine screen 3; thereby achieving the purpose of selecting the crushed stone particle size.
最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明实施例技术方案。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present invention.
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