阅读说明：本技术 一种水稻专用肥生产用过滤装置 (Filter equipment is used in special fertile production of rice ) 是由 蔡妙珍 严剑超 周俊 于 2020-12-18 设计创作，主要内容包括：本发明属于水稻专用肥生产技术领域,尤其是一种水稻专用肥生产用过滤装置,现提出以下方案,包括底板和固定框。本发明通过设置有缓冲往复组件,进行专用肥过滤时,将专用肥导入限位框内部,启动振动电机,振动电机带动一号滤网和二号滤网进行高频率震动,位于一号缓冲板和二号缓冲板上方的专用肥在往复弹簧的往复缓冲下,将受到的震动损坏降至最低,同时,专用肥在倒入限位框内部后,撞击在一号缓冲板和二号缓冲板上,往复弹簧往返的弹性势能带动一号缓冲板和二号缓冲板上的专用肥不停地进行往复运动,从而进一步提高过滤效果,一号缓冲板和二号缓冲板的导向均为一号滤网和二号滤网上的滤孔处,从而提高过滤速度。(The invention belongs to the technical field of production of special fertilizers for rice, and particularly relates to a filtering device for production of special fertilizers for rice. According to the special fertilizer filtering device, the buffering reciprocating assembly is arranged, when special fertilizer is filtered, the special fertilizer is guided into the limiting frame, the vibration motor is started, the vibration motor drives the first filter screen and the second filter screen to vibrate at high frequency, the special fertilizer above the first buffer board and the second buffer board is subjected to reciprocating buffering by the reciprocating spring, the damage caused by vibration is reduced to the minimum, meanwhile, the special fertilizer is poured into the limiting frame and then impacts the first buffer board and the second buffer board, the reciprocating elastic potential energy of the reciprocating spring drives the special fertilizer on the first buffer board and the second buffer board to reciprocate ceaselessly, the filtering effect is further improved, and the first buffer board and the second buffer board are guided to the positions of the filter screens on the first filter screen and the second filter screen, so that the filtering speed is improved.)

1. The utility model provides a filter equipment is used in production of special fertile of rice, includes bottom plate (1) and fixed frame (5), its characterized in that, there is filter screen (14) one side inner wall of fixed frame (5) through hinged joint, and there is filter screen (15) No. two on the opposite side inner wall of fixed frame (5), through hinged joint between filter screen (14) and the filter screen (15) No. two, and filter screen (14) and filter screen (15) junction constitute for the elastic material that can deform, the top outer wall equipartition distance fixedly connected with connecting block (17) of filter screen (14) and filter screen (15) No. two, and connecting block (17) are located between per two filtration pores, the top outer wall equidistance fixedly connected with reciprocating spring (19) of connecting block (17), and the top outer wall both ends of a plurality of reciprocating spring (19) respectively fixedly connected with buffer board (18) and buffer board (20), the guide of the first buffer plate (18) and the second buffer plate (20) are all at the filter holes.

2. The filtering device for producing the special fertilizer for rice as claimed in claim 1, wherein the fixing frame (5) is fixedly connected with mounting frames (13) at two ends of the outer wall of the bottom, and the two mounting frames (13) are fixedly connected with vibrating motors (16) on the outer wall of the top, and the vibrating motors (16) are respectively contacted with the first filter screen (14) and the second filter screen (15).

3. The filtering device for producing the special fertilizer for rice as claimed in claim 1, wherein both ends of the outer wall of the top of the bottom plate (1) are fixedly connected with side plates (12), and the fixing frame (5) is fixedly connected to the outer wall of the opposite side of the two side plates (12).

4. The filtering device for producing the special fertilizer for rice as claimed in claim 3, wherein the bottom plate (1) is fixedly connected with a collecting box (4) on the outer wall of the top part below the fixing frame (5), and a drain pipe (3) is fixedly connected with the outer wall of one side of the collecting box (4), and the outer wall of the drain pipe (3) is connected with the pipe valve (2) through a flange.

5. The filtering device for producing the special fertilizer for rice as claimed in claim 3, wherein the outer wall of one side of each of the two side plates (12) facing each other is fixedly connected with a supporting plate (11), and the outer wall of the top of each of the two supporting plates (11) is fixedly connected with a cylinder (10).

6. The filtering device for producing the special fertilizer for rice as claimed in claim 5, wherein the top outer walls of the two cylinders (10) are fixedly connected with fixing plates (9), and the outer wall of the opposite side of the two fixing plates (9) is fixedly connected with the same limiting frame (6), and the limiting frame (6) is located above the fixing frame (5).

7. The filtering device for producing the fertilizer special for rice as claimed in claim 6, wherein two mounting plates (7) are fixedly connected to the inner walls of the two sides of the limiting frame (6), mounting holes are arranged on the outer walls of the two mounting plates (7) on the same side at equal distances, and the same electric heating pipe (8) is fixedly connected to the inner walls of every two corresponding mounting holes.

8. The filtering device for producing the special fertilizer for rice as claimed in claim 4, wherein a third filter screen (22) is fixedly connected to the inner wall of the collection box (4), and a stirring component is arranged at the position of the collection box (4) close to the third filter screen (22).

9. The special fertilizer production filter equipment for rice as claimed in claim 8, wherein the stirring assembly comprises a motor frame (25), a stirring motor (24) is fixedly connected to the outer wall of the motor frame (25), an output shaft of the stirring motor (24) is fixedly connected with a rotating shaft (21) through a shaft coupling, the other end of the rotating shaft (21) is connected to the inner wall of one side of the collection box (4) through a bearing, a stirring blade (23) is fixedly connected to the outer wall of the rotating shaft (21), and the stirring blade (23) is located above the third filter screen (22).

10. The filtering device for producing the special fertilizer for rice as claimed in claim 1, wherein the outer walls of the tops of the first buffer plate (18) and the second buffer plate (20) are provided with liquid passing holes (26) at equal distances, the inner walls of the two sides of each liquid passing hole (26) are fixedly connected with heat absorbing plates (28) in a staggered mode, the other end of each heat absorbing plate (28) is fixedly connected with a flow guiding head (27), and each flow guiding head (27) is of a polygonal column structure.

Technical Field

The invention relates to the technical field of special fertilizer production, in particular to a filtering device for producing a special fertilizer for rice.

Background

The special fertilizer for the rice is prepared elaborately according to the soil fertility conditions of various provinces in all soil and fertilizer stations in China, the fertilizer requiring and absorbing characteristics of the rice, the international advanced balanced fertilization technology and the comprehensive activation nutrition technology, and the soil fertility conditions in China and the nutrient requiring characteristics of the rice, so that what is lacking and what is supplemented is really realized, and the maximum benefit is obtained by the most reasonable formula; in the production process of the special fertilizer for rice, the special fertilizer and liquid need to be filtered and separated by a filter device.

Current special fertilizer of rice drives the filter screen through vibrating motor and filters when carrying out filtering operation, and vibrating motor's vibration frequency is higher, causes the damage to the solid particle in the special fertilizer easily for solid particle gradual powderization causes this special fertilizer not only can not play filterable effect, makes the special fertilizer damage of processing good simultaneously.

Disclosure of Invention

Based on the fact that when the existing special rice fertilizer is subjected to filtering operation, the vibration motor drives the filter screen to filter, the vibration frequency of the vibration motor is high, solid particles in the special rice fertilizer are easily damaged, the solid particles are gradually powdered, the special rice fertilizer cannot achieve the filtering effect, and meanwhile, the processed special rice fertilizer is damaged, the invention provides the filtering device for producing the special rice fertilizer.

The invention provides a filtering device for producing a special fertilizer for rice, which comprises a bottom plate and a fixed frame, wherein the inner wall of one side of the fixed frame is connected with a first filter screen through a hinge, the inner wall of the other side of the fixed frame is connected with a second filter screen through a hinge, the first filter screen and the second filter screen are connected through a hinge, the joint of the first filter screen and the second filter screen is made of a deformable elastic material, the outer walls of the tops of the first filter screen and the second filter screen are fixedly connected with connecting blocks at equal distances, the connecting blocks are positioned between every two filter holes, reciprocating springs are fixedly connected to the outer walls of the tops of the connecting blocks at equal distances, two ends of the outer walls of the tops of a plurality of reciprocating springs are respectively fixedly connected with a first buffer plate and a second buffer plate, and the guide holes of the first.

Preferably, the equal fixedly connected with mounting bracket in bottom outer wall both ends of fixed frame, and the equal fixedly connected with vibrating motor of top outer wall of two mounting brackets, vibrating motor contacts with a filter screen and No. two filter screens respectively.

Preferably, the equal fixedly connected with curb plate in top outer wall both ends of bottom plate, and fixed frame fixed connection in the relative one side outer wall of two curb plates.

Preferably, the bottom plate is fixedly connected with a collecting box on the outer wall of the top part below the fixing frame, a liquid discharge pipe is fixedly connected with the outer wall of one side of the collecting box, and the outer wall of the liquid discharge pipe is connected with a pipe valve through a flange.

Preferably, two the equal fixedly connected with backup pad of one side outer wall in opposite directions of curb plate, and the equal fixedly connected with cylinder of top outer wall of two backup pads.

Preferably, two the equal fixedly connected with fixed plate of top outer wall of cylinder, and the same spacing frame of the relative one side outer wall fixedly connected with of two fixed plates, spacing frame is located fixed frame top.

Preferably, the equal fixedly connected with two mounting panels of both sides inner wall of spacing frame and lie in the equal distance of outer wall of two mounting panels with one side and open there is the mounting hole, and the inner wall fixedly connected with same electric heating pipe of per two corresponding mounting holes.

Preferably, the inner wall fixedly connected with No. three filter screens of collecting box, and the collecting box is close to No. three filter screens department and is equipped with the stirring subassembly.

Preferably, the stirring subassembly includes the motor frame, and the outer wall fixedly connected with agitator motor of motor frame, and agitator motor's output shaft passes through shaft coupling fixedly connected with pivot, and the other end of pivot passes through the bearing and connects in one side inner wall of collecting box, and the outer wall fixedly connected with stirring leaf of pivot, stirring leaf are located the top of No. three filter screens.

Preferably, the equal distance of the top outer wall of the first buffer plate and the second buffer plate is provided with a liquid passing hole, the inner walls of two sides of each liquid passing hole are fixedly connected with heat absorbing plates in a staggered mode, the other end of each heat absorbing plate is fixedly connected with a flow guiding head, and each flow guiding head is of a polygonal prism structure.

The beneficial effects of the invention are as follows:

1. through being provided with the reciprocal subassembly of buffering, when carrying out special fertile filtration, inside leading-in spacing frame with special fertile, start vibrating motor, vibrating motor drives a filter screen and No. two filter screens and carries out the high frequency vibrations, be located the special fertile of a buffer board and No. two buffer boards tops under reciprocating spring's reciprocal buffering, the vibrations damage that will receive falls to minimumly, simultaneously, special fertile is pouring into spacing frame inside back, the striking is on a buffer board and No. two buffer boards, the special fertile reciprocating motion that carries on of elastic potential energy drive on a buffer board and No. two buffer boards is ceaselessly carried out to the elastic potential energy that reciprocating spring came and go, thereby further improve the filter effect, the direction of a buffer board and No. two buffer boards is filter hole department on a filter screen and No. two filter screens, thereby improve the filter speed.

2. Through being provided with mounting panel and electric heating pipe, after the special fertile filtration, its outer wall still can be attached to some liquid, simultaneously, also remain liquid on filter screen and No. two filter screens, the electric heating pipe circular telegram carries out heating evaporation treatment through electric heating pipe to liquid on special fertile granule and filter screen, No. two filter screens, improves this filter equipment's functionality.

3. Through being provided with cylinder and fixed plate, the fixed plate is installed in the both sides outer wall of spacing frame, and after special fertile filtration, special fertile granule is detained in a filter screen and No. two filter screen tops, and adjust the cylinder and drive spacing frame and shift up, and the staff of being convenient for collects special fertile granule on a filter screen and No. two filter screens.

4. Through with passing through hinged joint between a filter screen and No. two filter screens, when vibrating motor drove a filter screen and No. two filter screens and shakes, the amplitude of oscillation between a filter screen and No. two filter screens is big more, and the swing frequency reduces thereupon to further reduce the impaired probability of special fertile, protect special fertile.

5. Through being provided with stirring subassembly and No. three filter screens, special fertile filter screen and No. two filter screens of through a filter screen will liquid after, No. three filter screens that liquid falls into the below start the agitator motor in the stirring subassembly, and agitator motor drives and changes epaxial stirring leaf and rotate, with higher speed to the filtration treatment of liquid to make things convenient for the follow-up classification that carries out liquid of staff.

6. Through being provided with liquid hole, absorber plate and drainage head, when carrying out the filtering operation of special fertile, electric heating pipe carries out heat treatment to special fertile, and the absorber plate of crossing in the liquid hole carries out thermal absorption, and special fertile passing liquid hole, absorber plate and special fertile close contact, improve the heating effect, and simultaneously, the drainage head is polygon prism structure and is located the same absorber plate staggered arrangement who crosses liquid hole both sides inner wall, prevents that special fertile card can't fall in crossing the liquid hole.

Drawings

FIG. 1 is a schematic view of the overall structure of a filter device for producing a fertilizer specially used for rice according to the present invention;

FIG. 2 is a schematic structural view of a fixing frame of the filter device for producing the fertilizer special for rice according to the present invention;

FIG. 3 is a schematic view of a buffer reciprocating assembly of a filtering device for producing a fertilizer specially used for rice according to the present invention;

FIG. 4 is a schematic view of a stirring assembly of the filtering device for producing rice fertilizer according to the present invention;

FIG. 5 is a schematic structural view of a buffer plate of the filter device for producing a fertilizer specially used for rice according to the present invention;

fig. 6 is an enlarged view of a portion of the structure of fig. 1 according to the present invention.

In the figure: 1 bottom plate, 2 pipe valves, 3 fluid-discharge tubes, 4 collecting boxes, 5 fixed frames, 6 spacing frames, 7 mounting panels, 8 electric heating pipes, 9 fixed plates, 10 cylinders, 11 supporting plates, 12 side plates, 13 mounting racks, 14 filter screens, 15 filter screens, 16 vibrating motors, 17 connecting blocks, 18 buffer plates, 19 reciprocating springs, 20 buffer plates, 21 rotating shafts, 22 filter screens, 23 stirring blades, 24 stirring motors, 25 motor frames, 26 liquid passing holes, 27 drainage heads and 28 heat absorbing plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-4, a filtering device for producing a special fertilizer for rice, comprising a bottom plate 1 and a fixed frame 5, wherein the inner wall of one side of the fixed frame 5 is connected with a first filter screen 14 through a hinge, the inner wall of the other side of the fixed frame 5 is connected with a second filter screen 15 through a hinge, the first filter screen 14 is connected with the second filter screen 15 through a hinge, the joint of the first filter screen 14 and the second filter screen 15 is made of a deformable elastic material, the outer walls of the tops of the first filter screen 14 and the second filter screen 15 are fixedly connected with a connecting block 17 at equal intervals, the connecting block 17 is positioned between every two filter holes, the outer wall of the top of the connecting block 17 is fixedly connected with reciprocating springs 19 at equal intervals, the two ends of the outer wall of the tops of a plurality of reciprocating springs 19 are respectively fixedly connected with a first buffer plate 18 and a second buffer plate 20, the guide parts of the first buffer, when carrying out special fertile and filtering, inside leading-in spacing frame 6 with special fertile, start vibrating motor 16, vibrating motor 16 drives a filter screen 14 and No. two filter screens 15 and carries out the high frequency vibrations, be located the special fertile of a buffer board 18 and No. two buffer boards 20 tops under reciprocating spring 19's reciprocal buffering, the vibrations damage that will receive falls to minimumly, simultaneously, special fertile is pouring into spacing frame 6 inside back, the striking is on a buffer board 18 and No. two buffer boards 20, the elastic potential energy that reciprocating spring 19 reciprocated drives the special fertile ceaselessly that carries on a buffer board 18 and No. two buffer boards 20 and carries out reciprocating motion, thereby further improve the filter effect, the direction of a buffer board 18 and No. two buffer boards 20 is the filter hole department on a filter screen 14 and No. two filter screens 15, thereby improve filter speed.

In the invention, the two ends of the outer wall of the bottom of the fixed frame 5 are both fixedly connected with the mounting frames 13, the outer walls of the tops of the two mounting frames 13 are both fixedly connected with the vibration motors 16, and the vibration motors 16 are respectively contacted with the first filter screen 14 and the second filter screen 15.

In the invention, two ends of the outer wall of the top of the bottom plate 1 are fixedly connected with the side plates 12, and the fixing frame 5 is fixedly connected to the outer wall of one side of the two side plates 12.

In the invention, the outer wall of the top part of the bottom plate 1 below the fixing frame 5 is fixedly connected with the collecting box 4, the outer wall of one side of the collecting box 4 is fixedly connected with the liquid discharge pipe 3, and the outer wall of the liquid discharge pipe 3 is connected with the pipe valve 2 through a flange.

In the invention, the outer walls of the opposite sides of the two side plates 12 are fixedly connected with the supporting plates 11, and the outer walls of the tops of the two supporting plates 11 are fixedly connected with the air cylinders 10.

In the invention, the outer walls of the tops of the two cylinders 10 are fixedly connected with the fixing plates 9, the outer walls of the opposite sides of the two fixing plates 9 are fixedly connected with the same limiting frame 6, and the limiting frame 6 is positioned above the fixing frame 5.

In the invention, two mounting plates 7 are fixedly connected to the inner walls of two sides of the limiting frame 6, mounting holes are arranged on the outer walls of the two mounting plates 7 positioned on the same side at equal distances, and the same electric heating pipe 8 is fixedly connected to the inner wall of each two corresponding mounting holes.

In the invention, the inner wall of the collection box 4 is fixedly connected with a third filter screen 22, and the collection box 4 is provided with a stirring component near the third filter screen 22.

In the invention, the stirring component comprises a motor frame 25, the outer wall of the motor frame 25 is fixedly connected with a stirring motor 24, the output shaft of the stirring motor 24 is fixedly connected with a rotating shaft 21 through a coupler, the other end of the rotating shaft 21 is connected with the inner wall of one side of the collecting box 4 through a bearing, the outer wall of the rotating shaft 21 is fixedly connected with a stirring blade 23, and the stirring blade 23 is positioned above the third filter screen 22.

When the special fertilizer filter is used, the special fertilizer is poured into the limiting frame 6, the vibration motor 16 is started, the vibration motor 16 drives the first filter screen 14 and the second filter screen 15 to vibrate at high frequency, the special fertilizer above the first buffer plate 18 and the second buffer plate 20 is subjected to reciprocating buffering by the reciprocating spring 19, the vibration damage is reduced to the minimum, meanwhile, the special fertilizer is poured into the limiting frame 6 and then impacts the first buffer plate 18 and the second buffer plate 20, the reciprocating elastic potential energy of the reciprocating spring 19 drives the special fertilizer on the first buffer plate 18 and the second buffer plate 20 to reciprocate ceaselessly, the filtering effect is further improved, the first buffer plate 18 and the second buffer plate 20 are guided to the filter holes on the first filter screen 14 and the second filter screen 15, the filtering speed is improved, the electric heating pipe 8 is powered on while filtering is carried out, and the special fertilizer particles, the first filter screen 14, the second filter screen 14 and the electric heating pipe 8 are powered on through the electric heating pipe 8, Liquid on No. two filter screens 15 heats evaporation treatment, liquid after the filtration falls into on No. three filter screens 22 of below, start agitator motor 24 in the stirring subassembly, agitator motor 24 drives stirring leaf 23 in the pivot 21 and rotates, with higher speed the filtration treatment to liquid, thereby make things convenient for the follow-up classification that carries out liquid of staff, after special fertile filtration, special fertile granule is detained in filter screen 14 and No. two filter screens 15 tops, adjust cylinder 10 and drive spacing frame 6 and shift up, the staff collects special fertile granule, end the operation.

Example 2

Referring to fig. 1-5, a filtering device for producing a special fertilizer for rice, comprising a bottom plate 1 and a fixed frame 5, wherein the inner wall of one side of the fixed frame 5 is connected with a first filter screen 14 through a hinge, the inner wall of the other side of the fixed frame 5 is connected with a second filter screen 15 through a hinge, the first filter screen 14 is connected with the second filter screen 15 through a hinge, the joint of the first filter screen 14 and the second filter screen 15 is made of a deformable elastic material, the outer walls of the tops of the first filter screen 14 and the second filter screen 15 are fixedly connected with a connecting block 17 at equal intervals, the connecting block 17 is positioned between every two filter holes, the outer wall of the top of the connecting block 17 is fixedly connected with reciprocating springs 19 at equal intervals, the two ends of the outer wall of the tops of a plurality of reciprocating springs 19 are respectively fixedly connected with a first buffer plate 18 and a second buffer plate 20, the guide parts of the first buffer, when carrying out special fertile and filtering, inside leading-in spacing frame 6 with special fertile, start vibrating motor 16, vibrating motor 16 drives a filter screen 14 and No. two filter screens 15 and carries out the high frequency vibrations, be located the special fertile of a buffer board 18 and No. two buffer boards 20 tops under reciprocating spring 19's reciprocal buffering, the vibrations damage that will receive falls to minimumly, simultaneously, special fertile is pouring into spacing frame 6 inside back, the striking is on a buffer board 18 and No. two buffer boards 20, the elastic potential energy that reciprocating spring 19 reciprocated drives the special fertile ceaselessly that carries on a buffer board 18 and No. two buffer boards 20 and carries out reciprocating motion, thereby further improve the filter effect, the direction of a buffer board 18 and No. two buffer boards 20 is the filter hole department on a filter screen 14 and No. two filter screens 15, thereby improve filter speed.

In the invention, the two ends of the outer wall of the bottom of the fixed frame 5 are both fixedly connected with the mounting frames 13, the outer walls of the tops of the two mounting frames 13 are both fixedly connected with the vibration motors 16, and the vibration motors 16 are respectively contacted with the first filter screen 14 and the second filter screen 15.

In the invention, two ends of the outer wall of the top of the bottom plate 1 are fixedly connected with the side plates 12, and the fixing frame 5 is fixedly connected to the outer wall of one side of the two side plates 12.

In the invention, the outer wall of the top part of the bottom plate 1 below the fixing frame 5 is fixedly connected with the collecting box 4, the outer wall of one side of the collecting box 4 is fixedly connected with the liquid discharge pipe 3, and the outer wall of the liquid discharge pipe 3 is connected with the pipe valve 2 through a flange.

In the invention, the outer walls of the opposite sides of the two side plates 12 are fixedly connected with the supporting plates 11, and the outer walls of the tops of the two supporting plates 11 are fixedly connected with the air cylinders 10.

In the invention, the outer walls of the tops of the two cylinders 10 are fixedly connected with the fixing plates 9, the outer walls of the opposite sides of the two fixing plates 9 are fixedly connected with the same limiting frame 6, and the limiting frame 6 is positioned above the fixing frame 5.

In the invention, two mounting plates 7 are fixedly connected to the inner walls of two sides of the limiting frame 6, mounting holes are arranged on the outer walls of the two mounting plates 7 positioned on the same side at equal distances, and the same electric heating pipe 8 is fixedly connected to the inner wall of each two corresponding mounting holes.

In the invention, the inner wall of the collection box 4 is fixedly connected with a third filter screen 22, and the collection box 4 is provided with a stirring component near the third filter screen 22.

In the invention, the stirring component comprises a motor frame 25, the outer wall of the motor frame 25 is fixedly connected with a stirring motor 24, the output shaft of the stirring motor 24 is fixedly connected with a rotating shaft 21 through a coupler, the other end of the rotating shaft 21 is connected with the inner wall of one side of the collecting box 4 through a bearing, the outer wall of the rotating shaft 21 is fixedly connected with a stirring blade 23, and the stirring blade 23 is positioned above the third filter screen 22.

Compared with the embodiment 1, the liquid passing holes 26 are formed in the top outer walls of the first buffer plate 18 and the second buffer plate 20 at equal distances, the inner walls of the two sides of each liquid passing hole 26 are fixedly connected with the heat absorbing plates 28 in a staggered mode, the other end of each heat absorbing plate 28 is fixedly connected with the flow guiding head 27, and each flow guiding head 27 is of a polygonal structure.

During the use, compare in embodiment 1, when carrying out the filtering operation of special fertile, electric heating pipe 8 carries out heat treatment to special fertile, crosses absorber plate 28 in liquid hole 26 and carries out thermal absorption, and special fertile passes liquid hole 26, and absorber plate 28 and special fertile intimate contact improve the heating effect, and simultaneously, drainage head 27 is polygon prism structure, is located the absorber plate 28 staggered arrangement of same liquid hole 26 both sides inner wall of crossing, prevents that special fertile card can't fall in passing liquid hole 26.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.