CN210279781U

CN210279781U - Simple raw material screening device

Info

Publication number: CN210279781U
Application number: CN201920673073.5U
Authority: CN
Inventors: 李红流; 张祥有; 尚利国; 李景安; 康增伟; 王太峰; 王青波; 崔宗帅; 张丰强
Original assignee: Gongyi Fengze Refractory Co Ltd
Current assignee: Gongyi Fengze Refractory Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-10
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a simple and easy type raw materials screening plant, including the screening case, screening roof portion one end is equipped with the feeder hopper, screening bottom of the case portion is equipped with the discharging pipe, be equipped with the screen cloth that a plurality of mesh apertures reduce in proper order from top to bottom in the screening case, the equal slope of screen cloth sets up, its lower surface all is equipped with the vibrator, the screening case lateral wall department that the screen cloth lower extreme corresponds all is equipped with the bin outlet, the bin outlet outside all is connected with the blowdown pipeline through the solenoid valve, all be equipped with position sensor on the screening incasement lateral wall that the bin outlet top corresponds, still be equipped with the controller on the screening case lateral wall, the vibrator, position sensor and solenoid valve all are. The utility model relates to a rationally, the screen cloth that reduces in proper order through the mesh aperture can carry out multistage screening, utilizes position sensor, solenoid valve and controller to cooperate and to realize the automatic discharge of the raw materials at different levels of screening, simple structure, and the simple operation is favorable to improving screening efficiency, guarantees product quality.

Description

Simple raw material screening device

Technical Field

The utility model belongs to the technical field of the screening equipment, concretely relates to simple and easy type raw materials screening plant.

Background

The refractory material is widely applied to various fields of national economy such as steel, nonferrous metals, glass, cement, ceramics, petrifaction, machinery, boilers, light industry, electric power, military industry and the like, is an essential basic material for ensuring the production operation and the technical development of the industries, and plays an irreplaceable important role in the development of high-temperature industrial production.

In the production process of the refractory material, the raw materials need to be crushed and screened firstly, and the crushed powdery raw materials are screened to obtain particles for producing the refractory material, so that the particle size of the raw materials meets the production requirement of the refractory material. However, the existing screening device generally has the problems of complex structure, low efficiency, inconvenience in operation and the like, and particularly when the particles screened out by classification are discharged, the operation is inconvenient, the discharge efficiency is low, the production efficiency is greatly influenced, and some screening devices cannot carry out multi-stage screening according to requirements and need to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple and easy type raw materials screening plant can carry out multistage screening through the screen cloth that mesh aperture reduced in proper order to utilize position sensor, solenoid valve and controller to cooperate the automatic discharge of the raw materials at different levels that realize the screening, simple structure, the simple operation, in order to solve current screening plant structure complicacy, inefficiency, the inconvenient scheduling problem of operation.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a simple and easy type raw materials screening plant, includes the screening case, screening roof portion one end is equipped with the feeder hopper, screening bottom of the case portion is equipped with the discharging pipe, be equipped with the screen cloth that a plurality of mesh apertures reduced in proper order from top to bottom in the screening case, the equal slope of screen cloth sets up, and its lower surface all is equipped with the vibrator, the screening case lateral wall department that the screen cloth least significant end corresponds all is equipped with the bin outlet, the bin outlet outside all is connected with the blowdown pipeline through the solenoid valve, all be equipped with position sensor on the screening incasement lateral wall that the bin outlet top corresponds, still be equipped with the controller on the screening case lateral wall, vibrator, position sensor and solenoid valve all are connected with the controller electricity.

Preferably, the head end of the discharge pipeline and the top and bottom of the discharge opening are both obliquely arranged, and the oblique direction and the angle of the head end of the discharge pipeline are consistent with those of the corresponding screens.

Preferably, the tail end of the discharge pipeline is connected with a recovery bin, and the bottom of the discharge port is located on an extension line of the upper surface of the lowest end of the corresponding screen.

Preferably, the top of the screening box is also connected with a dust removal pipeline, the head end of the dust removal pipeline extends into the screening box and is connected with a dust collection cover, and the tail end of the dust removal pipeline is connected with a bag type dust collector.

Preferably, the discharging pipe is arranged at the center of the bottom of the screening box, and the side walls of the screening box around the discharging pipe are inclined towards the discharging pipe.

The utility model has the advantages that: the utility model relates to a rationally, simple structure can carry out multistage screening through the multistage screen cloth that mesh aperture reduced in proper order, utilizes position sensor, solenoid valve and controller to cooperate and to discharge the raw materials at different levels that sieve come out automatically, and simple structure can simplify the operation through automatic control, makes the operation more convenient, is favorable to improving screening efficiency, guarantees product quality. Meanwhile, the dust pollution generated in the screening process can be effectively removed through the matching of the dust collection cover, the dust removal pipeline and the bag type dust collector, and the dust is prevented from harming the surrounding working environment and the health of operators.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numbers in the figures: the device comprises a feed hopper 1, a screening box 2, a controller 3, a screen 4, a vibrator 5, a discharge pipe 6, a dust hood 7, a dust removal pipeline 8, a position sensor 9, a bag type dust remover 10, a discharge port 11, an electromagnetic valve 12, a discharge pipeline 13 and a recovery bin 14.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, a simplified raw material screening apparatus includes a screening box 2, a main container for screening raw materials. Screening case 2's top one end is equipped with feeder hopper 1, and screening case 2's bottom is equipped with discharging pipe 6, is used for the feeding and the ejection of compact respectively, and discharging pipe 6 locates screening case 2's bottom center, and discharging pipe's screening case 2's all around lateral wall all sets up towards discharging pipe 6 slope to discharging pipe 6 departments are colleted to the raw materials after the screening is automatic, make things convenient for the ejection of compact, guarantee that the ejection of compact is complete. The screening box 2 is internally provided with a plurality of screens 4 with sequentially reduced mesh apertures from top to bottom for carrying out multi-stage screening on the raw materials. The number of the screens 4 and the mesh diameter of each screen 4 are determined according to the specific condition of the material to be screened, and are not particularly limited. The lower surface of screen cloth 4 all is equipped with vibrator 5, provides the vibrational force through vibrator 5, makes screen cloth 4 form the shale shaker for sieve, and can accelerate screening efficiency, avoid the raw materials to pile up or the adhesion causes the raw materials to block up on screen cloth 4. The equal slope of screen cloth 4 sets up, and the lateral wall department of the screening case 2 that its least significant end corresponds all is equipped with bin outlet 11, can make the large granule raw materials of screening pile up to bin outlet 11 along the screen cloth 4 automatic flow of slope, convenient clearance. The outside of bin outlet 11 all is connected with discharge pipe way 13 through solenoid valve 12, all be equipped with position sensor 9 on the inside wall of the screening case 2 that the top of bin outlet 11 corresponds, still be equipped with controller 3 on the lateral wall of screening case 2, vibrator 5, position sensor 9 and solenoid valve 12 all are connected with controller 3 electricity, make the large granule raw materials of selecting when piling up in bin outlet 11 department, accessible position sensor 9 automated inspection is its and piles up the height, and transmission signal gives controller 3, when piling up highly reaching bin outlet 11's height that detects out, controller 3 can automatic control open its solenoid valve 12 that corresponds, discharge pipe way 13 is automatic discharges the large granule raw materials of this level of selecting, moreover, the steam generator is simple in structure, can simplify the operation through automatic control, it is more convenient to make the operation, be favorable to improving screening efficiency, guarantee product quality. The position sensor can adopt a capacitance proximity switch, is a non-contact sensing element, can be used for stroke control and limit protection in the running of beverages, foods, medicines, chemical engineering and machinery, can be used for material level inspection in automatic production and the like, and has good stability and convenient use. The controller 3 can be a conventional PLC controller on the market.

In this embodiment, the head end of the discharge pipeline 13 and the top and bottom of the discharge outlet 11 are all obliquely arranged, and the inclination direction and the angle of the head end are consistent with those of the corresponding screen 4, so as to ensure smooth discharge and improve the discharge efficiency. The tail end of the discharging pipeline 13 is connected with a recycling bin 14, so that discharged large-particle raw materials at different levels can be recycled and temporarily stored, subsequent recycling treatment is convenient, raw materials are not wasted, and the cost is saved. The bottom of bin outlet 11 is located the extension line that corresponds the upper surface of the lowest end of screen cloth 4 to guarantee to arrange the material completely, form the material when avoiding the bottom of bin outlet 11 to be higher than the upper surface of the lowest end department of screen cloth 4 and remain, guarantee the material rate of recovery.

In this embodiment, the top of screening case 2 still is connected with dust removal pipeline 8, and the head end of dust removal pipeline 8 stretches into in screening case 2 and is connected with dust cage 7, and dust removal pipeline 8's trailing end connection has bag collector 10, can effectively detach the dust pollution that the screening in-process produced through mutually supporting of dust cage 7, dust removal pipeline 8 and bag collector 10, avoids the dust harm operational environment and operating personnel's on every side healthy. The bag type dust collector 10 is a dry type dust filtering device, is suitable for collecting fine, dry and non-fibrous dust, and has the advantages of high dust collection efficiency, simple structure, convenient operation and convenient use.

The utility model discloses a use method: the utility model discloses when using, earlier through feeder hopper 1, will treat that the raw materials of screening send into screening case 2 in, start vibrator 5 on the screen cloth 4 at different levels through controller 3 simultaneously. The raw material entering the screening box 2 continuously falls in the screening box 2, and is successively screened in a multistage way through the screens 4 with the meshes of which the apertures are reduced in sequence. When each stage of screen 4 is used for screening, a vibrator 5 provides a vibrating force to make the stage of screen 4 vibrate continuously to form a vibrating screen, on one hand, raw materials which meet the standard of the stage of screen 4 are separated out quickly and pass through the stage of screen 4, on the other hand, raw material particles which are larger than the mesh opening of the stage of screen 4 are screened out and are left on the upper surface of the screen 4, under the action of the inclined screen 4, the screened large-particle raw materials can automatically flow to the discharge opening 11 at the lowest end of the screen 4 for accumulation, the accumulation height of the large-particle raw materials is automatically detected by the position sensor 9, and signals are transmitted to the controller 3, when the detected stacking height reaches the height of the discharge opening 11, the controller 3 automatically controls to open the corresponding electromagnetic valve 12, the large-particle raw materials screened by the stage are automatically discharged to the corresponding recovery bin 14 through the discharge pipeline 13 for storage, so as to facilitate subsequent recovery treatment. During the screening process, the bag-type dust collector 10 is started, and dust can be removed through the dust collection cover 7 and the dust removal pipeline 8. And finally, discharging the raw materials which reach the standard after multi-stage screening through a discharge pipe 6.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a simple and easy type raw materials screening plant, includes the screening case, its characterized in that, screening roof portion one end is equipped with the feeder hopper, screening bottom of the case portion is equipped with the discharging pipe, be equipped with the screen cloth that a plurality of mesh apertures reduced in proper order in the screening incasement from top to bottom, the equal slope of screen cloth sets up, and its lower surface all is equipped with the vibrator, the screening case lateral wall department that the screen cloth lower extreme corresponds all is equipped with the bin outlet, the bin outlet outside all is connected with the blowdown pipeline through the solenoid valve, all be equipped with position sensor on the screening incasement lateral wall that the bin outlet top corresponds, still be equipped with the controller on the screening case lateral wall, vibrator, position sensor and solenoid valve all are connected with the controller.

2. The simplified raw material screening apparatus as set forth in claim 1, wherein the head end of the discharge conduit and the top and bottom of the discharge opening are inclined in the same direction and angle as the corresponding screen.

3. The simple raw material screening device as claimed in claim 1 or 2, wherein the tail ends of the discharge pipes are connected with a recovery bin, and the bottoms of the discharge openings are located on the extension line of the upper surface of the lowest end of the corresponding screen mesh.

4. The simple raw material screening device of claim 1, wherein a dust removal pipeline is further connected to the top of the screening box, the head end of the dust removal pipeline extends into the screening box and is connected with a dust collection cover, and a bag type dust collector is connected to the tail end of the dust removal pipeline.

5. The simple raw material screening device of claim 1, wherein the discharge pipe is arranged at the center of the bottom of the screening box, and the side walls of the screening box around the discharge pipe are inclined towards the discharge pipe.