阅读说明：本技术 一种造纸用抄纸机废水环保处理装置 (Papermaking is with paper machine waste water environmental protection processing apparatus ) 是由 吴冬兰 于 2021-08-31 设计创作，主要内容包括：本发明属于废水处理技术领域,包括箱体,所述箱体底部通过螺栓固定有多个支脚,所述箱体内设置有助力机构,助力机构连接有固定板,固定板底部固定有电机,电机输出轴连接有连接轴,连接轴底部通过螺栓固定有连接杆,连接杆两侧均通过螺栓固定有多个第一搅拌杆,第一搅拌杆另一侧铰接有两个对称分布的第二搅拌杆,两个第二搅拌杆相对的一面铰接有套块,套块底部连接有内杆,两个内杆之间通过球铰链连接有同一个混合筒,混合筒设置成沙漏状,混合筒内设置有对冲机构,第二搅拌杆上设置有复位机构。本发明中,混合筒在转动的过程中,并在桨叶造成的两股流力对冲作用下,使得混合筒进行强烈的来回摆动,从而进一步促进混合。(The invention belongs to the technical field of wastewater treatment, and comprises a box body, wherein a plurality of support legs are fixed at the bottom of the box body through bolts, a power-assisted mechanism is arranged in the box body, the power-assisted mechanism is connected with a fixed plate, a motor is fixed at the bottom of the fixed plate, an output shaft of the motor is connected with a connecting shaft, a connecting rod is fixed at the bottom of the connecting shaft through bolts, a plurality of first stirring rods are fixed at two sides of the connecting rod through bolts, two second stirring rods which are symmetrically distributed are hinged to the other side of each first stirring rod, a sleeve block is hinged to the opposite side of each second stirring rod, an inner rod is connected to the bottom of the sleeve block, the two inner rods are connected with a same mixing barrel through ball hinges, the mixing barrel is arranged in a hourglass shape, a hedging mechanism is arranged in the mixing barrel, and a reset mechanism is arranged on each second stirring rod. In the invention, the mixing cylinder is strongly swung back and forth in the rotating process under the impact of two flow forces caused by the blades, so that the mixing is further promoted.)

1. The environment-friendly papermaking machine wastewater treatment device comprises a box body (1), wherein the bottom of the box body (1) is fixedly connected with a plurality of support legs (2), and the environment-friendly papermaking machine wastewater treatment device is characterized in that a boosting mechanism is arranged in the box body (1), the boosting mechanism is connected with a fixing plate (3), the bottom of the fixing plate (3) is fixedly connected with a motor (4), an output shaft of the motor (4) is connected with a connecting shaft (5), the bottom of the connecting shaft (5) is fixedly connected with a connecting rod (6), two sides of the connecting rod (6) are fixedly connected with a plurality of first stirring rods (7), the other side of each first stirring rod (7) is hinged with two symmetrically distributed second stirring rods (8), one opposite side of each two second stirring rods (8) is hinged with a sleeve block (13), the bottom of each sleeve block (13) is connected with an inner rod (18), and the two inner rods (18) are connected with a same mixing cylinder (19) through a ball hinge, the mixing cylinder (19) is arranged in an hourglass shape, the opposite-punching mechanism is arranged in the mixing cylinder (19), and the resetting mechanism is arranged on the second stirring rod (8).

2. The environment-friendly paper machine wastewater treatment device according to claim 1, characterized in that the hedging mechanism comprises two paddles (22), two symmetrically distributed fixing frames (20) are fixedly connected in the mixing cylinder (19), the same inner shaft (21) penetrates through and is rotatably connected between the two fixing frames (20), and the two paddles (22) are correspondingly and fixedly connected to two ends of the inner shaft (21).

3. The environment-friendly waste water treatment device of the paper machine for papermaking according to claim 1, characterized in that the reset mechanism comprises a first spring (11), the opposite surfaces of the two second stirring rods (8) are respectively provided with a first chute (9), a first sliding block (10) is connected in the first chute (9) in a sliding manner, the first spring (11) is fixedly connected between the first sliding block (10) and the side wall of the first chute (9), and the same first supporting rod (12) is hinged between the two first sliding blocks (10).

4. The environment-friendly waste water treatment device of the paper machine for papermaking according to claim 1, characterized in that an embedded groove (14) is formed in the bottom of the sleeve block (13), a second spring (15) is fixedly connected in the embedded groove (14), and the bottom of the second spring (15) is fixedly connected with the inner rod (18).

5. The environment-friendly waste water treatment device of the paper machine for papermaking according to claim 4, characterized in that the inner walls of the two sides of the embedded groove (14) are respectively provided with a limiting groove (16), a limiting block (17) is connected in the limiting groove (16) in a sliding manner, and the limiting block (17) is fixedly connected with the inner rod (18).

6. The environment-friendly paper machine wastewater treatment device according to claim 1, characterized in that a box cover (35) is fixedly connected to the top of the box body (1), the top of the box cover (35) is communicated with a feed hopper (36), a discharge port (37) is formed in the bottom of the box body (1), a discharge pipe (38) is fixedly connected in the discharge port (37), and handles (39) are fixedly connected to both sides of the box body (1).

7. The environment-friendly waste water treatment device of the paper machine for papermaking according to claim 3, characterized in that one end of the first supporting rod (12) is fixedly connected with a second supporting rod (23), one side of the second supporting rod (23) close to the mixing drum (19) is fixedly connected with a third supporting rod (24), the third supporting rod (24) inclines upwards towards one side of the mixing drum (19), the other side of the third supporting rod (24) is fixedly connected with a pushing block (25), and the cross section of the pushing block (25) is arc-shaped.

8. The environmentally-friendly paper machine wastewater treatment device according to claim 7, characterized in that a plurality of rubbing strips (26) distributed in an annular array are fixedly connected to the outer circumferential wall of the pushing block (25), the cross sections of the rubbing strips (26) are arranged in an arc shape, a rubbing block (27) is fixedly connected to one side of the mixing cylinder (19) close to the rubbing strips (26), the cross sections of the rubbing blocks (27) are arranged in an arc shape, a plurality of rubbing parts (28) distributed in an annular array are arranged on the outer arc surface of the rubbing block (27), and the cross sections of the rubbing parts (28) are arranged in an arc shape.

9. The environment-friendly waste water treatment device of the paper machine for papermaking according to claim 1, characterized in that the power assisting mechanism comprises two symmetrically distributed disks (29), the disks (29) are fixedly connected with the inner side wall of the box body (1), a guide groove (30) is formed in the inner side of each disk (29), the section of each guide groove (30) is arc-shaped, a guide block (31) is connected in each guide groove (30) in a sliding mode, the same guide spring (32) is fixedly connected between each guide block (31) and the inner wall of each guide groove (30), a fixed block (33) is fixedly connected to the inner side of each guide block (31), lug blocks (34) are fixedly connected to the tops of the fixed blocks (33), and the fixed plate (3) is fixedly connected between the two lug blocks (34).

10. The environmentally friendly paper machine wastewater treatment device according to claim 1, wherein a plurality of choke rings (40) are fixedly connected to the inner circumferential wall of the mixing drum (19), and the cross sections of the choke rings (40) are arranged in M shapes with different orientations.

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to an environment-friendly papermaking machine wastewater treatment device.

Background

The waste water discharged in the paper industry production process can be divided into sulfate pulp waste water and sulfite pulp waste water, wherein the waste water discharged in the paper pulp process is the most serious in pollution, black brown waste water is discharged in pulp washing and is called black liquor, the waste water discharged in the bleaching process contains substances such as acid, alkali and BOD (100-300 mg/L), and the like.

Therefore the waste water that the paper mill produced need be handled, and each item index just can discharge after up to standard, among the prior art, need spill some chemical agent in the waste water for handle waste water, but after spilling chemical agent, chemical agent can not be fine mix in the inside of waste water to can greatly reduced chemical agent's result of use, consequently make corresponding improvement to this problem.

Disclosure of Invention

Based on the technical problem that chemical agents cannot be well mixed with wastewater in the prior art, the invention provides an environment-friendly paper machine wastewater treatment device for papermaking.

The invention provides an environment-friendly papermaking machine wastewater treatment device, which comprises a box body, wherein a plurality of support legs are fixed at the bottom of the box body through bolts, a boosting mechanism is arranged in the box body and connected with a fixed plate, a motor is fixed at the bottom of the fixed plate through bolts, an output shaft of the motor is connected with a connecting shaft, a connecting rod is fixed at the bottom of the connecting shaft through bolts, a plurality of first stirring rods are fixed at two sides of the connecting rod through bolts, two symmetrically distributed second stirring rods are hinged to the other side of each first stirring rod, a sleeve block is hinged to the opposite side of each second stirring rod, an inner rod is connected to the bottom of each sleeve block, a same mixing cylinder is connected between the two inner rods through a ball hinge, the mixing cylinder is arranged in a hourglass shape, a hedging mechanism is arranged in the mixing cylinder, and a resetting mechanism is arranged on each second stirring rod.

Preferably, the opposite-punching mechanism comprises two paddles, two fixing frames which are symmetrically distributed are fixed in the mixing cylinder through bolts, the two fixing frames penetrate through and are rotatably connected with the same inner shaft through bearings, and the two paddles are correspondingly fixed at two ends of the inner shaft through bolts.

Preferably, canceling release mechanical system includes first spring, and first spout has all been seted up to the relative one side of two second puddlers, and sliding connection has first slider in the first spout, and first spring passes through the bolt fastening between first slider and the first spout lateral wall, and it has same first branch to articulate between two first sliders.

Preferably, an embedded groove is formed in the bottom of the sleeve block, a second spring is fixed in the embedded groove through a bolt, and the bottom of the second spring and the inner rod are fixed through a bolt.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the embedded groove, limiting blocks are connected in the limiting grooves in a sliding mode, and the limiting blocks and the inner rod are fixed through bolts.

Preferably, the box top has the case lid through the bolt fastening, and case lid top intercommunication has the feeder hopper, and the discharge gate has been seted up to the bottom half, has the discharging pipe through the bolt fastening in the discharge gate, and the box both sides all have the handle through the bolt fastening.

Preferably, a second supporting rod is fixed to one end of the first supporting rod through a bolt, a third supporting rod is fixed to one side, close to the mixing drum, of the second supporting rod through a bolt, the third supporting rod inclines upwards towards one side of the mixing drum, a pushing block is fixed to the other side of the third supporting rod through a bolt, and the cross section of the pushing block is arc-shaped.

Preferably, the outer wall of the circumference of the pushing block is fixed with a plurality of kneading strips distributed in an annular array through bolts, the cross sections of the kneading strips are arranged into an arc shape, one side of the mixing drum, which is close to the kneading strips, is fixed with a kneading block through bolts, the cross sections of the kneading blocks are arranged into an arc shape, the outer arc surface of the kneading block is provided with a plurality of kneading parts distributed in an annular array, and the cross sections of the kneading parts are arranged into an arc shape.

Preferably, assist drive device includes the disc of two symmetric distributions, and disc and box inner wall pass through the bolt fastening, and the guide way has been seted up to the disc inboard, and the guide way cross-section sets to the arc, and sliding connection has the guide block in the guide way, has same guide spring through the bolt fastening between guide block and the guide way inner wall, and the guide block inboard has the fixed block through the bolt fastening, and the fixed block top has the ear piece through the bolt fastening, and the fixed plate passes through the bolt fastening between two ear pieces.

Preferably, a plurality of choke rings are fixed on the inner circumferential wall of the mixing barrel through bolts, and the cross sections of the choke rings are arranged in an M shape with different orientations.

Compared with the prior art, the invention provides an environment-friendly paper machine wastewater treatment device for papermaking, which has the following beneficial effects:

the paper machine wastewater environment-friendly treatment device for papermaking is provided with the mixing drum, the motor is started, the motor output shaft drives the connecting shaft, the connecting rod and the first stirring rod to rotate, then the second stirring rod and the mixing drum are synchronously driven to rotate, when the mixing drum rotates, the waste water can circulate from the mixing cylinder and then drive the two blades to rotate, and because the mounting directions of the two blades are opposite, the two blades can respectively form flow directions to carry out hedging, so that the wastewater and the liquid medicine are fully mixed, and in the rotating process of the mixing cylinder, the mixing cylinder is inclined due to the resistance of the waste water, and has the tendency of rotating to the right center position of the two second stirring rods due to the action of centrifugal force, and under the action of two opposite flow forces caused by the blades, the mixing cylinder is enabled to strongly swing back and forth, so that the mixing is further promoted.

Drawings

FIG. 1 is a schematic view of the internal structure of an environment-friendly paper machine wastewater treatment device for papermaking according to the present invention;

FIG. 2 is a schematic view of the overall structure of an environment-friendly paper machine wastewater treatment device for papermaking according to the present invention;

FIG. 3 is an enlarged schematic structural view of the paper machine wastewater environmental treatment device for papermaking according to the present invention at position C;

FIG. 4 is a schematic view of a mixing drum installation structure of the paper machine wastewater environmental protection treatment device for papermaking according to the present invention;

FIG. 5 is an enlarged schematic structural view of the part B of the paper machine wastewater environmental protection treatment device for papermaking, which is provided by the invention;

FIG. 6 is an enlarged schematic structural view of the part A of the paper machine wastewater environmental protection treatment device for papermaking, which is provided by the invention;

FIG. 7 is a schematic view of the internal structure of a nest block of the paper machine wastewater environmental-protection treatment device for papermaking according to the present invention;

FIG. 8 is a schematic view of the internal structure of a mixing drum of the paper machine wastewater environmental treatment device for papermaking according to the present invention.

In the figure: 1. a box body; 2. a support leg; 3. a fixing plate; 4. a motor; 5. a connecting shaft; 6. a connecting rod; 7. a first stirring rod; 8. a second stirring rod; 9. a first chute; 10. a first slider; 11. a first spring; 12. a first support bar; 13. sleeving blocks; 14. a groove is embedded; 15. a second spring; 16. a limiting groove; 17. a limiting block; 18. an inner rod; 19. a mixing drum; 20. a fixed mount; 21. an inner shaft; 22. a paddle; 23. a second support bar; 24. a third support bar; 25. a push block; 26. kneading the rubbing strips; 27. a kneading block; 28. a kneading part; 29. a disc; 30. a guide groove; 31. a guide block; 32. a guide spring; 33. a fixed block; 34. an ear piece; 35. a box cover; 36. a feed hopper; 37. a discharge port; 38. a discharge pipe; 39. a handle; 40. a choke ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-2 and 4, a papermaking paper machine wastewater environment-friendly treatment device comprises a box body 1, a plurality of support legs 2 are fixed at the bottom of the box body 1 through bolts, a boosting mechanism is arranged in the box body 1, the boosting mechanism is connected with a fixing plate 3, a motor 4 is fixed at the bottom of the fixing plate 3 through bolts, an output shaft of the motor 4 is connected with a connecting shaft 5, a connecting rod 6 is fixed at the bottom of the connecting shaft 5 through bolts, a plurality of first stirring rods 7 are fixed at two sides of the connecting rod 6 through bolts, two symmetrically distributed second stirring rods 8 are hinged at the other side of each first stirring rod 7, a sleeve block 13 is hinged at one opposite side of each second stirring rod 8, an inner rod 18 is connected at the bottom of the sleeve block 13, the same mixing cylinder 19 is connected between the two inner rods 18 through a ball hinge, the mixing cylinder 19 is arranged in a hourglass shape, a hedging mechanism is arranged in the mixing cylinder 19, and a reset mechanism is arranged on each second stirring rod 8.

Further, the mechanism of dashing includes two paddles 22, there are two symmetric distribution's mount 20 through the bolt fastening in the mixing drum 19, run through and be connected with same interior axle 21 through the bearing rotation between two mounts 20, two paddles 22 correspond the both ends through the bolt fastening in interior axle 21, two paddle 22's installation opposite direction, mixing drum 19 is when rotating, waste water can circulate from mixing drum 19, then drive two paddle 22 and take place to rotate, because two paddle 22's installation opposite direction, can make the flow direction that two paddle 22 formed respectively carry out the dashing, thereby make waste water and liquid medicine intensive mixing.

The working principle is as follows: when the device is used, the motor 4 is started, the output shaft of the motor 4 drives the connecting shaft 5, the connecting rod 6 and the first stirring rod 7 to rotate, then the second stirring rod 8 and the mixing cylinder 19 are synchronously driven to rotate, when the mixing cylinder 19 rotates, wastewater can circulate from the mixing cylinder 19, then the two blades 22 are driven to rotate, and because the installation directions of the two blades 22 are opposite, the two paddles 22 are respectively formed to be opposite in flow direction, so that the waste water and the liquid medicine are sufficiently mixed, and during the rotation of the mixing cylinder 19, the mixing cylinder 19 is inclined due to the resistance of the waste water, and the mixing cylinder 19 tends to rotate to the right center position of the two second stirring rods 8 due to the centrifugal force, and the mixing barrel 19 is caused to strongly oscillate back and forth under the two-stream force convection caused by the paddle 22, thereby further promoting mixing.

Example 2

Referring to fig. 4 and fig. 6-7, a papermaking machine waste water environmental protection processing device, a reset mechanism comprises a first spring 11, a first chute 9 is arranged on the opposite side of each of two second stirring rods 8, a first slider 10 is connected in the first chute 9 in a sliding manner, the first spring 11 is fixed between the first slider 10 and the side wall of the first chute 9 through a bolt, a same first support rod 12 is hinged between the two first sliders 10, when a mixing cylinder 19 swings back and forth, an included angle of forces with different angles is formed between the resistance of water flow and the centrifugal force, so that resultant forces in different directions are generated, under the combined action of the first spring 11, the first slider 10 moves back and forth in the first chute 9, then the two second stirring paddles 8 move in a repeated shearing mode, then the sleeve block 13 and the inner rod 18 are driven to move, and the mixing cylinder 19 is pushed back and forth transversely, thereby further improving the overall mixing effect.

Furthermore, an embedded groove 14 is formed in the bottom of the sleeve block 13, a second spring 15 is fixed in the embedded groove 14 through a bolt, and the bottom of the second spring 15 and the inner rod 18 are fixed through the bolt, so that the inner rod 18 can be pulled in the sleeve block 13.

Further, limiting grooves 16 are formed in the inner walls of the two sides of the embedded groove 14, limiting blocks 17 are connected in the limiting grooves 16 in a sliding mode, and the limiting blocks 17 and the inner rod 18 are fixed through bolts and can move the inner rod 18 in a limiting mode.

Further, there is case lid 35 at 1 top of box through the bolt fastening, and case lid 35 top intercommunication has feeder hopper 36, and discharge gate 37 has been seted up to 1 bottom of box, has discharging pipe 38 through the bolt fastening in the discharge gate 37, and 1 both sides of box all have handle 39 through the bolt fastening, can realize the business turn over material of waste water and liquid medicine.

The working principle is as follows: during the use, mixing drum 19 is when carrying out reciprocating swing, forms the contained angle of the power of different angles between the resistance of rivers that receive and the centrifugal force, consequently produces the ascending resultant force in equidirectional, and under the combined action of first spring 11, make first slider 10 round trip movement in first spout 9, make two second stirring rake 8 to cut the formula motion repeatedly then, drive nest block 13 and interior pole 18 and move, carry out horizontal back and forth promotion to mixing drum 19, thereby further improve whole mixed effect.

Example 3

Referring to fig. 4-5, an environment-friendly waste water treatment device of a papermaking machine is provided, wherein one end of a first support rod 12 is fixed with a second support rod 23 through a bolt, one side of the second support rod 23 close to a mixing drum 19 is fixed with a third support rod 24 through a bolt, the third support rod 24 inclines upwards towards one side of the mixing drum 19, the other side of the third support rod 24 is fixed with a push block 25 through a bolt, the cross section of the push block 25 is arc-shaped, when the first support rod 12 is subjected to the shearing type movement of a second stirring paddle 8, the first support rod 12 transversely moves back and forth, and then the second support rod 23, the third support rod 24 and the push block 25 are driven to synchronously move, and due to the inclined arrangement of the third support rod 24, the push block 25 can be used for forming an inclined upwards thrust on the mixing drum 19, so that the mixing drum 19 can form a conical rotation, and the mixing effect is further improved.

Further, the outer wall of the circumference of the pushing block 25 is fixed with a plurality of rubbing strips 26 distributed in an annular array through bolts, the cross sections of the rubbing strips 26 are arranged into an arc shape, one side of the mixing drum 19 close to the rubbing strips 26 is fixed with a rubbing block 27 through bolts, the cross sections of the rubbing blocks 27 are arranged into an arc shape, the outer arc surface of the rubbing block 27 is provided with a plurality of rubbing parts 28 distributed in an annular array, the cross sections of the rubbing parts 28 are arranged into an arc shape, when the pushing block 25 pushes the mixing drum 19, the rubbing strips 26 and the rubbing parts 28 form a rubbing action, through contact at high and low positions, the thrust effect of the mixing drum 19 is improved, and meanwhile, the mixing drum 19 is enabled to form vibration, so that the mixing effect is further improved.

The working principle is as follows: when the mixing device is used, when the first supporting rod 12 is subjected to the shearing type movement of the second stirring paddle 8, the first supporting rod 12 moves back and forth in the transverse direction, the second supporting rod 23, the third supporting rod 24 and the pushing block 25 are driven to move synchronously, the pushing block 25 can be used for forming upward oblique thrust on the mixing barrel 19 due to the inclined arrangement of the third supporting rod 24, the mixing barrel 19 can rotate in a conical manner, the mixing effect is further improved, further, the kneading strips 26 and the kneading parts 28 are arranged, when the pushing block 25 pushes the mixing barrel 19, the kneading strips 26 and the kneading parts 28 form kneading actions, the thrust effect on the mixing barrel 19 is improved through high-low-position contact, meanwhile, the mixing barrel 19 is vibrated, and the mixing effect is further improved.

Example 4

Referring to fig. 1 and 3, a papermaking machine wastewater environmental protection processing device, a power assisting mechanism comprises two symmetrically distributed disks 29, the disks 29 and the inner side wall of a box body 1 are fixed through bolts, a guide groove 30 is arranged on the inner side of each disk 29, the section of each guide groove 30 is arc-shaped, a guide block 31 is connected in each guide groove 30 in a sliding manner, the same guide spring 32 is fixed between each guide block 31 and the inner wall of each guide groove 30 through bolts, a fixed block 33 is fixed on the inner side of each guide block 31 through bolts, lug blocks 34 are fixed on the tops of the fixed blocks 33 through bolts, a fixed plate 3 is fixed between the two lug blocks 34 through bolts, a mixing cylinder 19, blades 22 and the like form different directions in the box body 1, so that the whole connecting rod 6 generates shaking in liquid and is matched with the vibration generated by the work of a motor 4, so that the fixed plate 3 follows the lug blocks 34, the fixed blocks 33 and the guide blocks 31 to slide along the guide grooves 30 together, and the whole of the connecting rod 6 is made to oscillate in the liquid under the assistance of the guide spring 32.

The working principle is as follows: during the use, mixing drum 19 and paddle 22 etc. form the vortex of equidirectional not in box 1 for the whole of connecting rod 6 produces in liquid and rocks, and the vibrations that cooperation motor 4 work produced, make fixed plate 3 follow ear piece 34, fixed block 33 and guide block 31 slide along guide way 30 together, and under guide spring 32's helping hand, make the whole of connecting rod 6 swing in liquid, thereby improve and mix the coverage area, thereby further improve mixed effect.

Example 5

Referring to fig. 8, a plurality of choke rings 40 are fixed on the inner circumferential wall of a mixing drum 19 through bolts, and the cross sections of the choke rings 40 are arranged in M shapes with different orientations.

The working principle is as follows: when the device is used, when the mixed liquid of the waste water and the liquid medicine flows through the mixing barrel 19, the cross sections of the flow blocking rings 40 are arranged into M shapes in different directions, so that the liquid can be further blocked, flow disturbance is generated, mutual fusion is carried out, and the overall mixing effect is further improved.

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.