阅读说明：本技术 一种全馏分催化汽油选择性加氢脱硫装置 (Selective hydrodesulfurization device for full-fraction catalytic gasoline ) 是由 沈怀峰 张永芳 王家元 缪沁峰 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种全馏分催化汽油选择性加氢脱硫装置,涉及脱硫加工技术领域。该全馏分催化汽油选择性加氢脱硫装置,包括底座,底座顶面的左右两侧均固定连接有脱硫器,两个脱硫器的顶面均固定连接有连接管,两个连接管的上端固定连接有分类箱,分类箱的顶面固定连接有进料管,分类箱的左侧固定连接有电机,分类箱的内部设置有筛选装置,分类箱的内部设置有送料装置。通过筛选装置的设置,过滤框振动将进入原料进行进行过滤,将质地细腻的原料通过连接管排入左侧的脱硫器中,将粗糙的原料留在过滤框中,这样就完成了对原料的分类,针对分类后的原料加入不同的氢气进行脱硫,从而提升了原料的利用率,原料的浪费提升了该装置的环保节能型。(The invention discloses a selective hydrodesulfurization device for full-fraction catalytic gasoline, and relates to the technical field of desulfurization processing. This full fraction catalytic gasoline selectivity hydrodesulfurization device, including the base, the equal fixedly connected with desulfurizer of the left and right sides of base top surface, the equal fixedly connected with connecting pipe of top surface of two desulfurizers, the upper end fixedly connected with classification box of two connecting pipes, the top surface fixedly connected with inlet pipe of classification box, the left side fixedly connected with motor of classification box, the inside of classification box is provided with sieving mechanism, the inside of classification box is provided with material feeding unit. Through the setting of sieving mechanism, filter the frame vibration and will get into the raw materials and filter, enter into left desulfurizer with the fine and smooth raw materials of texture through the connecting pipe, stay coarse raw materials in filtering the frame, just so accomplished the classification to the raw materials, add different hydrogen to categorised raw materials and carry out the desulfurization to promoted the utilization ratio of raw materials, the waste of raw materials has promoted the environmental protection and energy saving type of the device.)

1. The utility model provides a full fraction catalysis gasoline selectivity hydrodesulfurization device, includes base (1), the equal fixedly connected with desulfurizer (2) of the left and right sides of base (1) top surface, the equal fixedly connected with connecting pipe (3) of top surface of two desulfurizer (2), the upper end fixedly connected with classification box (4) of two connecting pipes (3), the top surface fixedly connected with inlet pipe (5) of classification box (4), the left side fixedly connected with motor (6) of classification box (4), its characterized in that: two connecting pipe (3) all communicate with the inside of two devulcanizers (2) respectively, the upper end of two connecting pipe (3) with the inside intercommunication of classification case (4), the inside of classification case (4) is provided with sieving mechanism, the inside of classification case (4) is provided with material feeding unit.

The equal fixedly connected with discharging pipe (7) in front surface of two devulcanizers (2), all be provided with valve (8) on two discharging pipes (7), the equal fixedly connected with holding vessel (9) of lower extreme of two discharging pipes (7), two discharging pipes (7) communicate with the inside of two devulcanizers (2) and two holding vessel (9) respectively.

2. The selective hydrodesulfurization unit for full range catalytic gasoline as defined in claim 1, further comprising: inside hollow baffle (11) of the inside fixedly connected with of categorised case (4), connecting groove (10) have all been seted up to the left and right sides of the inside bottom surface of categorised case (4), and two connecting grooves (10) are linked together with two connecting pipes (3) respectively, and recess (12) that communicate each other are all seted up to the surface about baffle (11), and the inside sliding connection of recess (12) has two baffles (13).

3. The selective hydrodesulfurization unit for full range catalytic gasoline as defined in claim 2, further comprising: the right surface of the inner part of the classification box (4) is provided with a sliding groove (14), and the left surface of the baffle plate (11) is also provided with a sliding groove (14).

4. The selective hydrodesulfurization unit for full range catalytic gasoline as set forth in claim 3, wherein: the screening device comprises a filter frame (15), the filter frame (15) is in sliding connection with the left side inside the classification box (4), sliders (18) are fixedly connected to the left surface and the right surface of the filter frame (15), springs (25) are fixedly connected to the back of the two sliders (18) and are fixedly connected with the front surface of the filter frame (15) through vibrating motors (16).

5. The selective hydrodesulfurization unit for full range catalytic gasoline as set forth in claim 4, wherein: the two sliding blocks (18) are respectively in sliding connection with the two sliding grooves (14), and the back ends of the two springs (25) are respectively fixedly connected with the two sliding grooves (14).

6. The selective hydrodesulfurization unit for full range catalytic gasoline as set forth in claim 4, wherein: the right side of the filter frame (15) is provided with an opening with the same area as the groove (12), the right surface of the filter frame (15) is fixedly connected with a torsion spring (26), and the lower end of the torsion spring (26) is fixedly connected with a door plate (27) which is in contact with the filter frame (15).

7. The selective hydrodesulfurization unit for full range catalytic gasoline as defined in claim 2, further comprising: material feeding unit includes threaded rod (19) and track (17), threaded rod (19) rotate to be connected on categorised case (4) inside left surface, threaded rod (19) rotate with baffle (11) to be connected, the left end of threaded rod (19) runs through the output fixed connection of categorised case (4) and motor (6), track (17) fixed connection is on categorised case (4) inside left surface, track (17) are located the top surface of threaded rod (19) and do not contact with threaded rod (19), track (17) and baffle (11) fixed connection, threaded sleeve (20) have been cup jointed to the screw thread on threaded rod (19), the top surface fixedly connected with connecting rod (23) of threaded sleeve (20), connecting rod (23) upper end sliding connection is in the inside of track (17), the bottom surface fixedly connected with push rod (21) of threaded sleeve (20), the bottom surface fixedly connected with of push rod (21) and cross filter frame (15) sliding connection's push pedal (22).

8. The selective hydrodesulfurization unit for full range catalytic gasoline as defined in claim 2, further comprising: the front surface and the rear surface of the interior of the baffle (11) are fixedly connected with electric telescopic rods (24), and the telescopic ends of the two electric telescopic rods (24) are fixedly connected with the two partition plates (13) respectively.

Technical Field

The invention relates to the technical field of desulfurization processing, in particular to a selective hydrodesulfurization device for full-fraction catalytic gasoline.

Background

The catalytic gasoline has the characteristics of low sulfur and high octane number, is one of main blending components of gasoline in China, has the sulfur content of about 200-600 mg/kg, and can meet the quality requirement after being blended with other low sulfur components in the production of gasoline in China. However, under the large background that the quality of gasoline products is continuously upgraded, particularly after gasoline begins to execute the national standards of four and five, the desulfurization of catalytic gasoline is imperative, the existing catalytic gasoline hydrodesulfurization process basically adopts a heavy gasoline single hydrogenation process, gasoline is pre-fractionated and cut into light gasoline and heavy gasoline, the heavy gasoline is subjected to hydrodesulfurization and then mixed with the light gasoline to form a final refined gasoline product, but the existing desulfurization device cannot classify and desulfurize gasoline raw materials with different textures during desulfurization, so that the texture is rough and complete desulfurization cannot be realized, and a device capable of classifying and selectively hydrodesulfurizing gasoline raw materials is urgently needed.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a full-fraction catalytic gasoline selective hydrodesulfurization device which can solve the problem that gasoline raw materials cannot be classified and desulfurized.

In order to achieve the purpose, the invention provides the following technical scheme: a selective hydrodesulfurization device for full-range catalytic gasoline comprises a base, wherein the left side and the right side of the top surface of the base are fixedly connected with desulfurizers, the top surfaces of the two desulfurizers are fixedly connected with connecting pipes, the upper ends of the two connecting pipes are fixedly connected with a classification box, the top surface of the classification box is fixedly connected with a feeding pipe, the left side of the classification box is fixedly connected with a motor, the two connecting pipes are respectively communicated with the interiors of the two desulfurizers, the upper ends of the two connecting pipes are respectively communicated with the interior of the classification box, the interior of the classification box is provided with a screening device, the interior of the classification box is provided with a feeding device, the front surfaces of the two desulfurizers are respectively fixedly connected with discharging pipes, the two discharging pipes are respectively provided with a valve, the lower ends of the two discharging pipes are respectively and fixedly connected with a collecting tank, the two discharging pipes are respectively communicated with the interiors of the two desulfurizers and the two collecting tanks, the interior of the classification box is fixedly connected with a baffle plate with a hollow interior, the spread groove has all been seted up to the left and right sides of the inside bottom surface of classification case, and two spread grooves are linked together with two connecting pipes respectively, and the recess of mutual intercommunication is all seted up to the surface about the baffle, and the inside sliding connection of recess has two baffles, the spout has been seted up on the inside right surface of classification case, and the spout has equally been seted up on the left surface of baffle, and the equal fixedly connected with electric telescopic handle in surface around the baffle is inside, two electric telescopic handle's flexible end respectively with two baffle fixed connection.

Preferably, the sieving mechanism includes the filter frame, filter frame sliding connection is in the inside left side of categorised case, filter the equal fixedly connected with slider in surface about the filter frame, the equal fixedly connected with spring in the looks back of two sliders, filter the preceding fixed surface of filter frame and be connected with vibrating motor, beneficial effect, setting through the sieving mechanism, vibrating motor drives the filter frame and takes place the vibration, filter the frame vibration and will get into the raw materials and filter, pass through the connecting pipe with the fine and smooth raw materials of texture and discharge into in the left desulfurizer, stay coarse raw materials in the filter frame, the classification to the raw materials has just so been accomplished, add different hydrogen to the raw materials after categorised and carry out the desulfurization, thereby the utilization ratio of raw materials has been promoted, the waste of raw materials has promoted the environmental protection and energy saving type of the device.

Preferably, two the slider respectively with two spout sliding connection, the back of the body end of carrying on the back of the body of two springs respectively with two spout fixed connection, beneficial effect, through the setting of spring not only play the effect of a support to the slider, when vibrating motor stops the back simultaneously, the vibration slowly disappears, utilizes the elasticity of spring to drive the slider simultaneously and resets, guarantees that the slider can not break away from the spout to the device's stability has been promoted.

Preferably, the right side of filtering the frame is seted up with the same opening of recess area, filters the right fixed surface of frame and is connected with torsion spring, torsion spring's lower extreme fixedly connected with and the door plant that filters the frame and contact, beneficial effect, through torsion spring's setting, when the coarse raw materials is whole according to the back of passing through, utilizes torsion spring's elasticity to resume into closing device with the door plant here to seal the opening, the raw materials is revealed from the opening part when avoiding using next time.

Preferably, the feeding device comprises a threaded rod and a track, the threaded rod is rotatably connected to the left surface inside the classification box and is rotatably connected with the baffle, the left end of the threaded rod penetrates through the classification box and is fixedly connected with the output end of the motor, the track is fixedly connected to the left surface inside the classification box and is positioned on the top surface of the threaded rod and is not in contact with the threaded rod, the track is fixedly connected with the baffle, a threaded sleeve is sleeved on the threaded rod in a threaded manner, a connecting rod is fixedly connected to the top surface of the threaded sleeve, the upper end of the connecting rod is slidably connected inside the track, a push rod is fixedly connected to the bottom surface of the threaded sleeve, and a push plate which is slidably connected with the filtering frame is fixedly connected to the bottom surface of the push rod. The utilization rate of the raw materials is also improved, and the waste of coarse raw materials is avoided.

The invention has the basic beneficial effects that through the arrangement of the screening device, the vibration motor drives the filter frame to vibrate, the filter frame vibrates to filter the entering raw materials, the fine-texture raw materials are discharged into the desulfurizer on the left side through the connecting pipe, the coarse raw materials are left in the filter frame, so that the raw materials are classified, different hydrogen is added for desulfurization according to the classified raw materials, so that the utilization rate of the raw materials is improved, the waste of the raw materials improves the environment-friendly and energy-saving type of the device, the residual coarse raw materials can be transferred through the arrangement of the feeding device, and the residual coarse raw materials can be independently desulfurized, so that the time for classification selection is saved, the utilization rate of the raw materials is also improved, and the waste of the coarse raw materials is avoided.

The basic working principle of the invention is that the vibration motor is started to drive the filter frame to vibrate, the filter frame vibrates to filter the entering raw materials, the raw materials with fine texture are discharged into the desulfurizer on the left side through the connecting pipe, the rough raw materials are left in the filter frame, thus the raw materials are classified, and different hydrogen is added into the classified raw materials for desulfurization, so that the utilization rate of the raw materials is improved, and the waste of the raw materials improves the environmental protection and energy saving of the device;

after the screening device is used, a large amount of rough raw materials are stored in the filtering frame, the starting motor drives the threaded rod to rotate at the moment, the threaded rod rotates to drive the threaded sleeve to move on the threaded rod, and the threaded sleeve moves to drive the push plate to move in the filtering frame through the push rod;

the rough raw materials in the filter frame are pushed rightwards by the push plate, the electric telescopic rod is started to pull the two partition plates into the baffle plate, the door plate is pushed away by the pushing force of the raw materials, and the opening is in butt joint with the groove;

the right side that the recess got into the classification case is passed through to the raw materials that is promoted, in the desulfurizer on right side is got into through the connecting pipe on right side, just so can divide rough raw materials and carry out the desulfurization alone, adjust the volume of hydrogen according to the condition of rough raw materials, through the device's setting, can shift remaining rough raw materials, and can be solitary carry out the desulfurization to it, so not only save the time of categorised selection, still promoted the utilization ratio of raw materials, avoid the waste of rough raw materials.

Compared with the prior art, the invention has the beneficial effects that:

(1) this full fraction catalytic gasoline selectivity hydrodesulfurization device, setting through sieving mechanism, vibrating motor drives the filter frame and takes place the vibration, filter the frame vibration and will get into the raw materials and filter, enter into left desulfurizer with the fine and smooth raw materials of texture through the connecting pipe, stay coarse raw materials in filtering the frame, just so accomplished the classification to the raw materials, add different hydrogen to the raw materials after categorised and carry out the desulfurization, thereby the utilization ratio of raw materials has been promoted, the waste of raw materials has promoted the device's environmental protection and energy saving type.

(2) This full fraction catalysis petrol selectivity hydrodesulfurization device, the setting through the spring has not only played the effect of a support to the slider, and after vibrating motor stopped, the vibration slowly disappeared simultaneously, utilizes the elasticity of spring to drive the slider simultaneously and resets, guarantees that the slider can not break away from the spout to the stability of device has been promoted.

(3) This full fraction catalytic gasoline selectivity hydrodesulfurization device through material feeding unit's setting, can shift remaining coarse raw materials to can be solitary carry out the desulfurization to it, not only save the time of categorised selection like this, still promoted the utilization ratio of raw materials, avoid the waste of coarse raw materials.

(4) This full fraction catalytic gasoline selectivity hydrodesulfurization device crosses orbital setting, can avoid the thread bush to follow when the threaded rod rotates and rotate, plays a spacing effect through the connecting rod at the inside slip of track to the thread bush, has guaranteed that the thread bush can be steady slide to the device's stability has been promoted.

(5) The full-fraction catalytic gasoline selective hydrodesulfurization device can complete automatic feeding through the arrangement of the feeding device, the labor intensity of manual feeding is reduced, the labor cost is saved, and the time cost of the device is reduced.

(6) This full fraction catalysis gasoline selectivity hydrodesulfurization device, through torsion spring's setting, after rough raw materials are all according to passing through, utilize torsion spring's elasticity to resume into closing device with the door plant here to seal the opening, the raw materials is revealed from the opening part when avoiding next use.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic diagram of a full-range catalytic gasoline selective hydrodesulfurization unit according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a classification box of a full-range catalytic gasoline selective hydrodesulfurization device according to the invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic diagram of a track plan structure of a full-range catalytic gasoline selective hydrodesulfurization unit according to the present invention;

FIG. 5 is a schematic plan view of a baffle plate of a full-range catalytic gasoline selective hydrodesulfurization unit according to the present invention;

FIG. 6 is a schematic diagram of a filter frame of a full-range catalytic gasoline selective hydrodesulfurization device according to the present invention.

Reference numerals: the device comprises a base 1, a desulfurizer 2, a connecting pipe 3, a classification box 4, a feeding pipe 5, a motor 6, a discharging pipe 7, a valve 8, a collection tank 9, a connecting groove 10, a baffle 11, a groove 12, a partition plate 13, a sliding groove 14, a filter frame 15, a vibrating motor 16, a track 17, a sliding block 18, a threaded rod 19, a threaded sleeve 20, a push rod 21, a push plate 22, a connecting rod 23, an electric telescopic rod 24, a spring 25, a torsion spring 26 and a door plate 27.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides a technical solution: a selective hydrodesulfurization device for full-range catalytic gasoline comprises a base 1, wherein the left side and the right side of the top surface of the base 1 are fixedly connected with desulfurizers 2, the top surfaces of the two desulfurizers 2 are fixedly connected with connecting pipes 3, the two connecting pipes 3 are respectively communicated with the insides of the two desulfurizers 2, the upper ends of the two connecting pipes 3 are fixedly connected with a classification box 4, the upper ends of the two connecting pipes 3 are respectively communicated with the inside of the classification box 4, the top surface of the classification box 4 is fixedly connected with a feeding pipe 5, the left side of the classification box 4 is fixedly connected with a motor 6, the motor 6 and the desulfurizers 2 are of the prior structure, not described in detail, the front surfaces of the two desulfurizers 2 are fixedly connected with discharge pipes 7, the two discharge pipes 7 are respectively provided with a valve 8, the lower ends of the two discharge pipes 7 are respectively fixedly connected with collecting tanks 9, and the two discharge pipes 7 are respectively communicated with the insides of the two desulfurizers 2 and the two collecting tanks 9;

furthermore, the inside of the classification box 4 is fixedly connected with a baffle 11 which is hollow inside, the left side and the right side of the bottom surface inside the classification box 4 are both provided with connecting grooves 10, the two connecting grooves 10 are respectively communicated with the two connecting pipes 3, the left surface and the right surface of the baffle 11 are both provided with mutually communicated grooves 12, the inside of the groove 12 is slidably connected with two partition plates 13, the right surface inside the classification box 4 is provided with a chute 14, and the left surface of the baffle 11 is also provided with a chute 14;

furthermore, a screening device is arranged inside the classification box 4, the screening device comprises a filter frame 15, the filter frame 15 is connected to the left side inside the classification box 4 in a sliding manner, sliders 18 are fixedly connected to the left and right surfaces of the filter frame 15, the two sliders 18 are respectively connected with the two sliding chutes 14 in a sliding manner, springs 25 are fixedly connected to the back surfaces of the two sliders 18, the opposite ends of the two springs 25 are respectively connected with the two sliding chutes 14 in a fixed manner, a vibration motor 16 is fixedly connected to the front surface of the filter frame 15, the vibration motor 16 is of an existing structure, excessive description is not provided, when the device is used, raw materials needing desulfurization are fed into the interior of the classification box 4 through the feed pipe 5 and enter the filter frame 15, the vibration motor 16 is started to drive the filter frame 15 to vibrate, the filter frame 15 vibrates to filter the fed raw materials, and the raw materials with fine texture are discharged into the left desulfurizer 2 through the connecting pipe 3, the coarse raw materials are left in the filter frame 15, so that the raw materials are classified, different hydrogen is added for desulfurization aiming at the classified raw materials, the utilization rate of the raw materials is improved, and the waste of the raw materials improves the environmental protection and energy conservation of the device;

further, filter frame 15 takes place to vibrate and drives two sliders 18 and remove in the inside of two spout 14, drives spring 25 and takes place to deform when two sliders 18 remove, and the setting through spring 25 has not only played the effect of a support to slider 18 like this, and when vibrating motor 16 stopped the back, the vibration slowly disappeared, utilizes spring 25's elasticity to drive slider 18 simultaneously and resets, guarantees that slider 18 can not break away from spout 14 to the device's stability has been promoted.

Further, the right side of the filter frame 15 is provided with an opening with the same area as the groove 12, the right surface of the filter frame 15 is fixedly connected with a torsion spring 26, the lower end of the torsion spring 26 is fixedly connected with a door plate 27 which is in contact with the filter frame 15, the opening is sealed in a closed mode by the door plate 27, and the door plate 27 is in butt joint with the groove 12 in an open opening.

Example two;

referring to fig. 1-6, on the basis of the first embodiment, a feeding device is disposed inside the classification box 4, the feeding device includes a threaded rod 19 and a rail 17, the threaded rod 19 is rotatably connected to a left surface inside the classification box 4, the threaded rod 19 is rotatably connected to the baffle 11, a left end of the threaded rod 19 penetrates through the classification box 4 and is fixedly connected to an output end of the motor 6, the rail 17 is fixedly connected to a left surface inside the classification box 4, the rail 17 is located on a top surface of the threaded rod 19 and is not in contact with the threaded rod 19, the rail 17 is fixedly connected to the baffle 11, a threaded sleeve 20 is screwed on the threaded rod 19, a connecting rod 23 is fixedly connected to a top surface of the threaded sleeve 20, an upper end of the connecting rod 23 is slidably connected to inside the rail 17, a push rod 21 is fixedly connected to a bottom surface of the threaded sleeve 20, and a push plate 22 slidably connected to the filter frame 15 is fixedly connected to a bottom surface of the push rod 21;

furthermore, the front and back surfaces inside the baffle 11 are fixedly connected with electric telescopic rods 24, the telescopic ends of the two electric telescopic rods 24 are respectively and fixedly connected with the two partition plates 13, when the device is used, after the screening device is used, a large amount of rough raw materials are stored inside the filter frame 15, at the moment, the starting motor 6 drives the threaded rod 19 to rotate, the threaded rod 19 rotates to drive the threaded sleeve 20 to move on the threaded rod 19, the threaded sleeve 20 moves to drive the push plate 22 to move inside the filter frame 15 through the push rod 21, the push plate 22 pushes the rough raw materials inside the filter frame 15 to the right, at the moment, the electric telescopic rods 24 are started to pull the two partition plates 13 into the baffle 11, the door panel 27 is pushed away by the thrust of the raw materials, at the moment, the opening is in butt joint with the groove 12, the pushed raw materials enter the right side of the classification box 4 through the groove 12 and enter the desulfurizer 2 on the right side through the connecting pipe 3 on the right side, therefore, the coarse raw materials can be separated and independently desulfurized, the amount of hydrogen is adjusted according to the condition of the coarse raw materials, and the residual coarse raw materials can be transferred and independently desulfurized through the device, so that the time for sorting and selecting is saved, the utilization rate of the raw materials is improved, and the waste of the coarse raw materials is avoided;

further, through track 17's setting, can avoid the thread bush 20 to follow the rotation when threaded rod 19 rotates, slide in track 17 inside through connecting rod 23 and play a spacing effect to thread bush 20, guaranteed that thread bush 20 can be steady slide, thereby promoted the device's stability, get the raw materials after the processing of two devulcanizers 2, open two valves 8, get into the inside of two collection tanks 9 respectively through two discharging pipes 7 and just accomplished selectivity hydrodesulfurization so.

The working principle is as follows:

the first step, the raw materials that need desulfurization are sent into the inside of classification case 4 through inlet pipe 5 and are got into in filtering frame 15, start vibrating motor 16 simultaneously and drive filtering frame 15 and take place the vibration, filtering frame 15 vibrates and will get into the raw materials and filter, discharge the fine and smooth raw materials of texture into left desulfurizer 2 through connecting pipe 3, stay coarse raw materials in filtering frame 15, just so accomplished the classification to the raw materials, add different hydrogen to the raw materials after classifying and carry out the desulfurization, thereby the utilization ratio of raw materials has been promoted, the waste of raw materials has promoted the environmental protection and energy saving type of the device;

secondly, after the use of the screening device is finished, a large amount of rough raw materials are stored in the filtering frame 15, the starting motor 6 drives the threaded rod 19 to rotate at the moment, the threaded rod 19 rotates to drive the threaded sleeve 20 to move on the threaded rod 19, and the threaded sleeve 20 moves to drive the push plate 22 to move in the filtering frame 15 through the push rod 21;

thirdly, the rough raw materials in the filter frame 15 are pushed rightwards by the push plate 22, at the moment, the electric telescopic rod 24 is started to pull the two partition plates 13 into the baffle plate 11, the door plate 27 is pushed open by the thrust of the raw materials, and at the moment, the opening is butted with the groove 12;

the fourth step, the right side that the raw materials that are promoted pass through recess 12 and get into classification box 4, in the desulfurizer 2 that gets into the right side through connecting pipe 3 on right side, just so can separate coarse raw materials and carry out the desulfurization alone, adjust the volume of hydrogen according to coarse raw materials's the condition, setting through the device, can shift remaining coarse raw materials, and can be alone carry out the desulfurization to it, so not only save the time of categorised selection, the utilization ratio of raw materials has still been promoted, avoid coarse raw materials's waste.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.