CN113149291B

CN113149291B - Multifunctional sludge discharge device for sewage treatment

Info

Publication number: CN113149291B
Application number: CN202110611154.4A
Authority: CN
Inventors: 李鹏飞; 于晓霞; 孔强; 张瑞明; 陈子方; 杨雪娜; 王静静; 梁金辉; 王素华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-09-23
Anticipated expiration: 2041-06-01
Also published as: CN113149291A

Abstract

The invention provides a multifunctional sludge discharge device for sewage treatment, which comprises a cement separation box, a first supporting block, a second supporting block and a shielding cover, wherein an adding box structure can be pushed, a buffering stirring box structure can be fixed, a guiding and conveying screening box structure can be cleaned, a rotary discharge pipe structure can be fixed, a classified adding pipe structure, a separation plate, an observation piece, a water injection pipe, a first discharge pipe, a stirring motor mechanism, a transmission pipe, a pushing plate and a guiding and conveying plate are arranged on the left side of the lower end of the cement separation box; and the second supporting block is connected to the right side of the lower end of the cement separating box through bolts. The arrangement of the inserting frame, the fixing cover, the third fixing plate, the V-shaped collecting frame and the cement separating box is beneficial to filtering and cleaning the sludge through the V-shaped collecting frame and the filter screen arranged in the middle of the inner wall in the using process, and the influence of stones in the sludge on the sludge treatment and recycling work is prevented.

Description

Multifunctional sludge discharge device for sewage treatment

Technical Field

The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a multifunctional sludge discharge device for sewage treatment.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and also increasingly enters the daily life of common people, and sewage can have sludge in the treatment process and needs to be subjected to sludge separation and discharge work, so people design sludge discharge devices.

However, the existing sludge discharge device also has the problems that the work of adding the sludge treatment agent is inconvenient to carry out in the using process, the stone cleaning and filtering are inconvenient to carry out in the sludge discharging process, the work of adding the sewage treatment agent is inconvenient to carry out in the using process, and the sewage buffering is inconvenient to carry out in the using process.

Therefore, the invention of the multifunctional sludge discharge device for sewage treatment is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multifunctional sludge discharge device for sewage treatment, which is used for solving the problems that the existing sludge discharge device is inconvenient to carry out sludge treatment agent adding work in the using process, is inconvenient to carry out stone cleaning and filtering in the sludge discharging process, is inconvenient to carry out sewage treatment agent adding work in the using process and is inconvenient to carry out sewage buffering in the using process. A multifunctional sludge discharge device for sewage treatment comprises a cement separation box, a first supporting block, a second supporting block, a shielding cover, a pushing adding box structure, a fixable buffering stirring box structure, a cleaning and conveying screening box structure, a fixable rotating discharge pipe structure, a classifiable adding pipe structure, a partition plate, an observation piece, a water injection pipe, a first discharge pipe, a stirring motor mechanism, a transmission pipe, a pushing plate and a conveying plate, wherein the first supporting block is connected to the left side of the lower end of the cement separation box through bolts; the second supporting block is connected to the right side of the lower end of the cement separating box through bolts; the shielding cover is connected to the upper end of the cement separating box through bolts; the push adding box structure is arranged on the left side of the upper end of the shielding cover; the fixable buffering stirring box structure is arranged on the upper part of the inner wall of the left side of the cement separation box; the cleanable guiding and conveying screening box structure is arranged in the middle of the inner part of the left side of the cement separating box; the fixable rotary discharge pipe structure is arranged in the middle of the inner part of the lower end of the cement separation box; the classifiable adding pipe structure is arranged on the right side of the upper end of the shielding cover; the isolation plate is connected to the middle position of the bottom of the right side of the inner wall of the cement separation box through a bolt; the observation sheet is embedded at the right side of the middle position in the shielding cover; the water injection pipe penetrates through the middle position inside the left side of the shielding cover and is communicated with the cement separation box; the first discharge pipe is in threaded connection with the middle position of the upper part of the right side of the cement separation box; the stirring motor mechanism is connected to the middle position of the lower part of the right side of the cement separating box through a bolt; the right end key of the transmission pipe is connected with the outer wall of the output shaft of the stirring motor mechanism; the pushing plate is sequentially connected to the upper end and the lower end of the transmission pipe through bolts from left to right; and the guide plate is connected to the lower part of the right side of the second supporting block through a bolt.

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

1. according to the invention, the connecting plate, the first supporting plate, the first reagent box, the measuring plate, the filling pipe, the cement separating box, the shielding cover, the mixing box, the first fixing plate and the second fixing plate are arranged, so that sewage can be injected into the mixing box through the water injection pipe in the use process, and then a sewage treatment reagent can be injected into the mixing box through the filling pipe, so that the sewage and sludge can be conveniently treated in the use process.

2. According to the invention, the arrangement of the inserting frame, the fixing cover, the third fixing plate, the V-shaped collecting frame and the cement separating box is beneficial to filtering and cleaning the sludge through the V-shaped collecting frame and the filter screen arranged in the middle of the inner wall in the using process, and the influence of stones in the sludge on the sludge treatment and recycling work is prevented.

3. According to the invention, the arrangement of the second chemical box, the partition plate, the conveying pipe, the adding valve, the cement separating box and the shielding cover is beneficial to opening different adding valves in the use process, different sewage treatment chemicals enter the right side inside the cement separating box through the conveying pipe, and the sewage treatment and purification work is convenient in the sewage discharge process.

4. According to the invention, the mixing box, the first fixing plate, the second fixing plate, the cement separating box, the shielding cover and the water injection pipe are arranged, so that sewage can enter the mixing box through the water injection pipe in the use process, and then the mixing box is used for buffering the sewage, and the sewage buffering and purifying work is conveniently carried out in the use process.

5. According to the invention, the mixing box, the first fixing plate, the second supporting plate, the linkage pipe, the stirring rod, the cement separating box, the shielding cover, the connecting plate and the first power motor mechanism are arranged, so that the linkage pipe and the stirring rod are driven to rotate by the first power motor mechanism in the use process, and the sewage stirring treatment work is conveniently carried out in the use process.

6. According to the invention, the arrangement of the inserting frame, the fixing cover, the wing bolt, the third fixing plate, the V-shaped collecting frame and the cement separating box is beneficial to disassembling the inserting frame in the treatment process, and is convenient for cleaning hard impurities such as stones collected in the V-shaped collecting frame.

7. In the invention, the arrangement of the second discharge pipe, the second power motor mechanism, the fourth fixing plate, the collecting hopper, the spiral pipe, the sludge discharge pipe and the cement separating box is beneficial to sealing work through the sealing cover arranged at the lower end of the sludge discharge pipe in the use process, so that the sealing work is convenient in the use process, and the phenomenon that the work is influenced by the leakage of sewage in the treatment process is prevented.

8. In the invention, the second chemical box, the partition plate, the fixing block, the conveying pipe, the adding valve, the T-shaped cover and the shielding cover are arranged, so that different chemical adding works can be favorably carried out in the using process, and different sewage can be conveniently purified.

9. In the invention, the arrangement of the second discharge pipe, the second power motor mechanism, the fourth fixing plate, the collecting hopper, the spiral pipe and the cement separating box is beneficial to the sewage entering the second discharge pipe in the using process, so that the lubricating work of the inner wall of the second discharge pipe is convenient in the sludge discharge process, and the sludge discharge work is convenient.

10. According to the cement separating box, the partition plate, the first discharge pipe, the stirring motor mechanism, the transmission pipe and the pushing plate are arranged, so that after a medicament is injected into the cement separating box through the conveying pipe in the using process, the stirring motor mechanism drives the transmission pipe and the pushing plate to rotate, sewage can be stirred conveniently, and then the sewage is discharged through the first discharge pipe, and further the work is completed.

Drawings

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

Fig. 2 is a schematic structural view of the pushable addition tank structure of the present invention.

Fig. 3 is a schematic structural view of the fixable and cushioned agitator tank configuration of the present invention.

FIG. 4 is a schematic structural view of a cleanable lead screening box structure of the present invention.

Fig. 5 is a schematic structural view of a fixable rotational drain structure of the present invention.

FIG. 6 is a schematic diagram of the structure of the classifiable adder tube structure of the present invention.

In the figure:

1. a cement separation tank; 2. a first support block; 3. a second support block; 4. a shielding cover; 5. the structure of the adding box can be pushed; 51. a connecting plate; 52. a first power motor mechanism; 53. a first support plate; 54. a first kit; 55. measuring a plate; 56. a filling pipe; 6. the structure of the buffer stirring box can be fixed; 61. a mixing box; 62. a first fixing plate; 63. a second fixing plate; 64. a second support plate; 65. a linkage pipe; 66. a stirring rod; 7. the structure of the guide and conveying screening box can be cleaned; 71. a plug-in frame; 72. a fixed cover; 73. a wing bolt; 74. a third fixing plate; 75. a V-shaped collecting rack; 8. the structure of the rotary discharge pipe can be fixed; 81. a second discharge pipe; 82. a second power motor mechanism; 83. a fourth fixing plate; 84. a collecting hopper; 85. a spiral tube; 86. a sludge discharge pipe; 9. adding tube structures in a classified manner; 91. a second kit; 92. a partition plate; 93. a fixed block; 94. a delivery pipe; 95. adding a valve; 96. a T-shaped cover; 10. a separator plate; 11. an observation sheet; 12. a water injection pipe; 13. a first discharge pipe; 14. a stirring motor mechanism; 15. a drive tube; 16. a push plate; 17. a guide plate.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a multifunctional sludge discharge device for sewage treatment comprises a cement separation box 1, a first support block 2, a second support block 3, a shielding cover 4, a pushing adding box structure 5, a fixable buffering stirring box structure 6, a cleanable guiding, conveying, screening box structure 7, a fixable rotating discharge pipe structure 8, a classifiable adding pipe structure 9, a partition plate 10, an observation plate 11, a water injection pipe 12, a first discharge pipe 13, a stirring motor mechanism 14, a transmission pipe 15, a pushing plate 16 and a guiding and conveying plate 17, wherein the first support block 2 is connected to the left side of the lower end of the cement separation box 1 through bolts; the second supporting block 3 is connected to the right side of the lower end of the cement separating box 1 through bolts; the shielding cover 4 is connected to the upper end of the cement separating box 1 through bolts; the push adding box structure 5 is arranged at the left side of the upper end of the shielding cover 4; the fixable buffering stirring box structure 6 is arranged on the upper part of the inner wall of the left side of the cement separation box 1; the cleanable guiding and conveying screening box structure 7 is arranged in the middle of the inside of the left side of the cement separating box 1; the fixable rotary discharge pipe structure 8 is arranged in the middle of the inner part of the lower end of the cement separation box 1; the classifiable adding pipe structure 9 is arranged on the right side of the upper end of the shielding cover 4; the isolation plate 10 is connected to the middle position of the bottom of the right side of the inner wall of the cement separation box 1 through a bolt; the observation piece 11 is embedded at the right side of the middle position in the shielding cover 4; the water injection pipe 12 penetrates through the middle position inside the left side of the shielding cover 4 and is communicated with the cement separation box 1; the first discharge pipe 13 is in threaded connection with the middle position of the upper part of the right side of the cement separating box 1; the stirring motor mechanism 14 is connected to the middle position of the lower part of the right side of the cement separating box 1 through bolts; the right end key of the transmission pipe 15 is connected with the outer wall of the output shaft of the stirring motor mechanism 14; the pushing plate 16 is sequentially bolted at the upper end and the lower end of the transmission pipe 15 from left to right; the guide plate 17 is connected to the lower part of the right side of the second supporting block 3 through bolts; the push adding box structure 5 comprises a connecting plate 51, a first power motor mechanism 52, a first supporting plate 53, a first medicament box 54, a measuring plate 55 and a filling pipe 56, wherein the first power motor mechanism 52 is in bolted connection with the middle position of the upper end of the connecting plate 51; the lower ends of the first supporting plates 53 are respectively bolted on the left side of the upper end of the connecting plate 51; the upper end of the first supporting plate 53 is respectively bolted on the left side and the right side of the lower end of the first chemical tank 54; the measuring plate 55 is embedded in the middle position of the front surface of the first medicament box 54; the upper end of the filling pipe 56 is in threaded connection with the middle position of the lower end of the first medicament box 54 and is communicated with the middle position; when using, fix cement separator box 1 in suitable position, and use outside wire switch-on external power supply, then use water injection pipe 12 to put through sewage discharge apparatus, connect sewage conveying equipment through first discharge pipe 13, pour into appropriate amount of chemical scrubbing medicament into to the inside of first medicament case 54 simultaneously, then make chemical scrubbing medicament get into sewage through filling pipe 56 inside, the convenient in-process that uses carries out sewage treatment work, the work is administered to mud to the convenience simultaneously.

In this embodiment, referring to fig. 3, the fixable and cushioned agitator tank structure 6 includes a mixing tank 61, a first fixing plate 62, a second fixing plate 63, a second supporting plate 64, a linkage pipe 65 and an agitator arm 66, wherein the right end of the first fixing plate 62 is bolted to the lower left side of the mixing tank 61; the right end of the second fixing plate 63 is connected with the upper part of the left side of the mixing box 61 through a bolt; the second support plate 64 is bolted at the middle position of the upper part of the inner wall of the mixing box 61; the linkage pipe 65 penetrates through the middle position inside the second supporting plate 64; the stirring rods 66 are respectively bolted on the lower parts of the left side and the right side of the linkage pipe 65; in-process carrying out the sewage filling through water injection pipe 12, then make sewage get into the inside of mixing box 61, make first power motor mechanism 52 work, it rotates to drive linkage pipe 65 and puddler 66 simultaneously, mix stirring work to chemical scrubbing medicament and sewage, make sewage and chemical scrubbing medicament fully contact, conveniently carry out scrubbing work, then make sewage enter into the inside of cement separator box 1 behind mixing box 61, carry out the sewage sedimentation work, bottom slope through cement separator box 1 sets up, make mud deposit on the left of the inside bottom of cement separator box 1.

In this embodiment, referring to fig. 4, the cleanable, guidable screening box structure 7 includes an insertion frame 71, a fixed cover 72, a wing bolt 73, a third fixed plate 74 and a V-shaped collecting frame 75, wherein a left end of the insertion frame 71 is bolted to a right middle position of the fixed cover 72; the wing bolt 73 respectively penetrates through the middle position inside the upper end and the middle position inside the lower end of the fixed cover 72; the third fixing plates 74 are respectively bolted on the upper parts of the inner walls at the left and right sides of the plug-in frame 71; two ends of the V-shaped collecting frame 75 are respectively connected with the third fixing plate 74 by bolts; in the process of carrying out sewage sedimentation, make mud fall on the left side of the inside bottom of cement separator 1 to deposit in the upper end of grafting frame 71, then collect the filter screen that the frame 75 inner wall set up through the V type and filter the clearance work to mud, prevent to carry the stone in the mud.

In this embodiment, referring to fig. 5, the fixable and rotatable drain pipe structure 8 includes a second drain pipe 81, a second power motor mechanism 82, a fourth fixing plate 83, a collecting hopper 84, a spiral pipe 85 and a mud pipe 86, wherein the second power motor mechanism 82 is bolted to the middle position of the right side of the second drain pipe 81; the fourth fixing plate 83 is bolted to the left inner wall of the second discharge pipe 81; the collecting hopper 84 is bolted to the left side of the upper end of the second discharge pipe 81; the right end of the spiral pipe 85 is keyed on the outer wall of the output shaft of the second power motor mechanism 82; the left end of the spiral pipe 85 is axially connected to the middle position inside the fourth fixing plate 83; the sludge discharge pipe 86 is connected to the right side of the lower end of the second discharge pipe 81 through a bolt; in the process of sludge discharge, the sludge falls into the collecting hopper 84 after passing through the filter screen of the internal device of the V-shaped collecting frame 75, then the second power motor mechanism 82 is controlled to start working through the external control device, meanwhile, the spiral pipe 85 is driven to rotate, then the sludge is discharged to the upper end of the guide and delivery plate 17 through the sludge discharge pipe 86, and then the discharged sludge is conveyed to a proper position through the guide and delivery plate 17, so that the sludge discharge work is completed.

In this embodiment, referring to fig. 6, the classifiable adding pipe structure 9 includes a second chemical tank 91, a partition plate 92, a fixing block 93, a conveying pipe 94, an adding valve 95 and a T-shaped cover 96, wherein the partition plate 92 is sequentially bolted to the inner wall of the second chemical tank 91 from left to right; the upper ends of the fixed blocks 93 are respectively bolted to the left side and the right side of the lower end of the second chemical box 91; the upper end of the conveying pipe 94 is sequentially bolted to the lower end of the second chemical box 91 from left to right; the adding valves 95 are respectively inserted in the middle of the upper part of the front surface of the conveying pipe 94 in a threaded manner; the T-shaped cover 96 is sleeved on the lower part of the outer wall of the conveying pipe 94 in a sliding manner; at the in-process that carries out sludge discharge, make sewage spill over division board 10, then make sewage get into the inside right side of cement separator box 1, simultaneously according to the work needs, open and add valve 95, make the inside right side that the medicament in the second medicament case 91 got into cement separator box 1, then drive driving pipe 15 and slurcam 16 through stirring motor mechanism 14 and rotate, carry out secondary stirring work to sewage, make sewage discharge to sewage treatment device's inside through first discharge tube 13 after the stirring, and then accomplish sewage treatment and sludge discharge work.

In this embodiment, specifically, a sealing ring is arranged at the joint of the shielding cover 4 and the cement separating box 1; the second supporting block 3 is a stainless steel block with a through hole in the middle; the observation sheet 11 is made of transparent toughened glass.

In this embodiment, specifically, the output shaft of the first power motor mechanism 52 penetrates through the middle position inside the connecting plate 51; the measuring plate 55 is a PVC plate with scale marks on the surface, wherein the scale marks are marked in centimeters; a manual valve is inserted in the middle position of the upper part of the front surface of the filling pipe 56 in a threaded manner and is communicated with the first medicament box 54.

In this embodiment, specifically, the connecting plate 51 is bolted to the middle position of the left side of the upper end of the shielding cover 4 and is disposed on the right side of the water injection pipe 12; the lower end of the filler pipe 56 penetrates through the middle of the left inner part of the shielding cover 4.

In this embodiment, specifically, a deep groove ball bearing is arranged at the joint of the linkage pipe 65 and the second support plate 64; the stirring rods 66 are respectively arranged at the left and right sides of the interior of the mixing box 61.

In this embodiment, specifically, the left ends of the first fixing plate 62 and the second fixing plate 63 are respectively bolted to the upper part of the inner wall of the left side of the cement separating box 1; the mixing box 61 is arranged at the upper left corner of the interior of the cement separating box 1 and is connected with a bolt; the upper end of the linkage pipe 65 is connected with the outer wall of the output shaft of the first power motor mechanism 52 in a key mode.

In this embodiment, specifically, the inner wall of the V-shaped collecting frame 75 is bolted with a filter screen and is disposed at the lower part between the third fixing plates 74; the V-shaped collecting rack 75 is disposed at an inner middle position of the inserting rack 71.

In this embodiment, specifically, the inserting frame 71 is inserted into the lower portion of the left side of the cement separating box 1; the wing bolts 73 are respectively in threaded connection with the lower part of the left side of the cement separating box 1; and a sealing gasket is arranged between the fixed cover 72 and the lower part of the left side of the cement separating box 1.

In this embodiment, specifically, the second discharge pipe 81 is respectively communicated with the collecting hopper 84 and the sludge discharge pipe 86; the fourth fixing plate 83 is arranged on the left side of the lower end of the collecting hopper 84; the spiral pipe 85 is disposed at an inner middle position of the second discharge pipe 81; the outer wall of the lower end of the sludge discharge pipe 86 is connected with a sealing cap in a threaded manner.

In this embodiment, specifically, the left end of the second discharge pipe 81 is inserted into the left inner bottom end of the cement separating box 1; a sealing ring is arranged between the outer wall of the upper end of the collecting hopper 84 and the lower part of the inner wall of the left side of the cement separating box 1; the right end of the second discharge pipe 81 penetrates through the middle position inside the second support block 3; the sludge discharge pipe 86 is arranged in the middle of the upper end of the guide plate 17.

In this embodiment, specifically, the partition plates 92 are respectively disposed between the upper ends of the conveying pipes 94; the delivery pipes 94 are respectively disposed between the fixed blocks 93.

In this embodiment, specifically, the second chemical tank 91 is mounted on the right side of the upper end of the shielding cover 4 through a fixing block 93; the fixed block 93 is connected with the shielding cover 4 through a bolt; the lower ends of the delivery pipes 94 respectively penetrate through the middle position inside the right side of the shielding cover 4; the lower end of the T-shaped cover 96 is inserted in the middle of the inside of the right side of the shielding cover 4, and a sealing ring is arranged at the joint.

Principle of operation

In the invention, when in use, the cement separating box 1 is fixed at a proper position, an external power supply is connected by using an external lead, then a sewage discharging device is connected by using the water injection pipe 12, the sewage conveying device is connected by the first discharging pipe 13, meanwhile, a proper amount of chemical decontamination chemicals are injected into the first chemical box 54, then the chemical decontamination chemicals enter the sewage by the filling pipe 56, the sewage treatment work is convenient during the use, the sludge treatment work is convenient, and during the sewage filling process by the water injection pipe 12, the sewage enters the mixing box 61, the first power motor mechanism 52 starts to work, the linkage pipe 65 and the stirring rod 66 are driven to rotate, the chemical decontamination chemicals and the sewage are mixed and stirred, the sewage is fully contacted with the chemical decontamination chemicals, and the decontamination work is convenient, then making sewage enter the inside of the cement separating box 1 after passing through the mixing box 61, performing sewage sedimentation work, making sludge sediment on the left side of the bottom end inside the cement separating box 1 by obliquely arranging the bottom end of the cement separating box 1, making sludge fall on the left side of the bottom end inside the cement separating box 1 and sediment on the upper end of the inserting frame 71 in the process of sewage sedimentation, then performing filtration cleaning work on the sludge through a filter screen arranged on the inner wall of the V-shaped collecting frame 75 to prevent stones carried in the sludge, making the sludge fall inside the collecting hopper 84 after passing through the filter screen of the internal equipment of the V-shaped collecting frame 75 in the process of sludge discharge, then controlling the second power motor mechanism 82 to start working through external control equipment, simultaneously driving the spiral pipe 85 to rotate, then discharging the sludge to the upper end of the guide plate 17 through the sludge discharge pipe 86, and then conveying the discharged sludge to a proper position through the guide plate 17, accomplish sludge discharge work, at the in-process that carries out sludge discharge, make sewage spill over division board 10, then make sewage get into the inside right side of cement separator box 1, simultaneously according to the work needs, open and add valve 95, make the inside right side that the medicament in the second medicament case 91 got into cement separator box 1, then it rotates with pushing plate 16 to drive driving pipe 15 through stirring motor mechanism 14, carry out secondary stirring work to sewage, make sewage discharge to sewage treatment device's inside through first discharge pipe 13 after the stirring, and then accomplish sewage treatment and sludge discharge work.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims

1. The utility model provides a multi-functional sludge discharge device for sewage treatment, including cement separator box (1), first supporting shoe (2), second supporting shoe (3), shielding cover (4), can promote and add case structure (5), can fix buffering agitator tank structure (6), can clear up and lead and send screening case structure (7), can fix rotatory discharge tube structure (8), classifiable adds tube structure (9), division board (10), observation piece (11), water injection pipe (12), first discharge tube (13), stirring motor mechanism (14), driving pipe (15), driving plate (16) and lead and send board (17), first supporting shoe (2) bolted connection in the lower extreme left side of cement separator box (1); the second supporting block (3) is connected to the right side of the lower end of the cement separating box (1) through bolts; the shielding cover (4) is connected to the upper end of the cement separating box (1) through bolts; the isolation plate (10) is connected to the middle position of the bottom of the right side of the inner wall of the cement separation box (1) through a bolt; the observation sheet (11) is embedded at the right side of the middle position in the shielding cover (4); the water injection pipe (12) penetrates through the middle position inside the left side of the shielding cover (4) and is communicated with the cement separation box (1); the first discharge pipe (13) is in threaded connection with the middle position of the upper part of the right side of the cement separating box (1); the stirring motor mechanism (14) is connected to the middle position of the lower part of the right side of the cement separating box (1) through a bolt; the right end of the transmission pipe (15) is connected with the outer wall of the output shaft of the stirring motor mechanism (14) in a key mode; the pushing plate (16) is sequentially connected to the upper end and the lower end of the transmission pipe (15) through bolts from left to right; the guide plate (17) is connected to the lower part of the right side of the second supporting block (3) through a bolt; the multifunctional sludge discharging device for sewage treatment is characterized in that the pushing adding box structure (5) in the multifunctional sludge discharging device for sewage treatment is arranged on the left side of the upper end of the shielding cover (4); the fixable buffering stirring box structure (6) is arranged on the upper part of the inner wall of the left side of the cement separation box (1); the cleanable guiding and conveying screening box structure (7) is arranged in the middle of the inside of the left side of the cement separating box (1); the fixable rotary discharge pipe structure (8) is arranged in the middle of the inner part of the lower end of the cement separation box (1); the classifiable adding pipe structure (9) is arranged on the right side of the upper end of the shielding cover (4); the push adding box structure (5) comprises a connecting plate (51), a first power motor mechanism (52), a first supporting plate (53), a first medicament box (54), a measuring plate (55) and a filling pipe (56), wherein the first power motor mechanism (52) is connected to the middle position of the upper end of the connecting plate (51) through a bolt; the lower ends of the first supporting plates (53) are respectively connected to the left side of the upper end of the connecting plate (51) through bolts; the upper end of the first supporting plate (53) is respectively connected to the left side and the right side of the lower end of the first chemical box (54) through bolts; the measuring plate (55) is embedded in the middle position of the front surface of the first medicament box (54); the upper end of the filling pipe (56) is in threaded connection with the middle position of the lower end of the first medicament box (54) and is communicated with the first medicament box; the fixable buffering stirring box structure (6) comprises a mixing box (61), a first fixing plate (62), a second fixing plate (63), a second supporting plate (64), a linkage pipe (65) and a stirring rod (66), wherein the right end of the first fixing plate (62) is connected to the lower part of the left side of the mixing box (61) through a bolt; the right end of the second fixing plate (63) is connected to the upper part of the left side of the mixing box (61) through a bolt; the second support plate (64) is connected to the middle position of the upper part of the inner wall of the mixing box (61) through a bolt; the linkage pipe (65) penetrates through the middle position inside the second support plate (64); the stirring rods (66) are respectively bolted on the lower parts of the left side and the right side of the linkage pipe (65); the classifiable adding pipe structure (9) comprises a second chemical box (91), a partition plate (92), a fixing block (93), a conveying pipe (94), an adding valve (95) and a T-shaped cover (96), wherein the partition plate (92) is sequentially bolted on the inner wall of the second chemical box (91) from left to right; the upper end of the fixing block (93) is respectively connected to the left side and the right side of the lower end of the second chemical box (91) through bolts; the upper end of the conveying pipe (94) is sequentially bolted to the lower end of the second medicament box (91) from left to right; the adding valves (95) are respectively inserted in the middle of the upper part of the front surface of the conveying pipe (94) in a threaded manner; the T-shaped cover (96) is sleeved on the lower part of the outer wall of the conveying pipe (94) in a sliding manner; the connecting plate (51) is in bolted connection with the middle position of the left side of the upper end of the shielding cover (4) and is arranged on the right side of the water injection pipe (12); the lower end of the filling pipe (56) penetrates through the middle position inside the left side of the shielding cover (4); the left ends of the first fixing plate (62) and the second fixing plate (63) are respectively bolted to the upper part of the inner wall of the left side of the cement separating box (1); the mixing box (61) is arranged at the upper left corner of the interior of the cement separating box (1) and is connected with the cement separating box through bolts; the upper end of the linkage pipe (65) is connected with the outer wall of the output shaft of the first power motor mechanism (52) in a key mode.

2. The multifunctional sludge discharge device for sewage treatment as claimed in claim 1, wherein the cleanable guiding and screening box structure (7) comprises a plug-in frame (71), a fixed cover (72), a wing bolt (73), a third fixed plate (74) and a V-shaped collecting frame (75), wherein the left end of the plug-in frame (71) is bolted to the middle position of the right side of the fixed cover (72); the wing-shaped bolt (73) respectively penetrates through the middle position inside the upper end and the middle position inside the lower end of the fixed cover (72); the third fixing plates (74) are respectively connected to the upper parts of the inner walls of the left side and the right side of the inserting frame (71) through bolts; two ends of the V-shaped collecting frame (75) are respectively connected with the third fixing plate (74) through bolts.

3. The multifunctional sludge discharge device for sewage treatment as claimed in claim 1, wherein said fixable and rotatable discharge pipe structure (8) comprises a second discharge pipe (81), a second power motor mechanism (82), a fourth fixing plate (83), a collecting hopper (84), a spiral pipe (85) and a sludge discharge pipe (86), said second power motor mechanism (82) is bolted to the right middle position of the second discharge pipe (81); the fourth fixing plate (83) is connected to the inner wall of the left side of the second discharge pipe (81) through bolts; the collecting hopper (84) is connected to the left side of the upper end of the second discharge pipe (81) through a bolt; the right end of the spiral pipe (85) is connected with the outer wall of an output shaft of the second power motor mechanism (82) in a key mode; the left end of the spiral pipe (85) is connected to the middle position in the fourth fixing plate (83) in a shaft mode; the sludge discharge pipe (86) is connected to the right side of the lower end of the second discharge pipe (81) through a bolt.

4. The multifunctional sludge discharge device for sewage treatment as set forth in claim 2 wherein said insertion frame (71) is inserted into the lower left side of the cement separating box (1); the wing-shaped bolts (73) are respectively in threaded connection with the lower part of the left side of the cement separating box (1); and a sealing gasket is arranged between the fixed cover (72) and the lower part of the left side of the cement separating box (1).

5. The multifunctional sludge discharging apparatus for sewage treatment as set forth in claim 3, wherein the left end of the second discharging pipe (81) is inserted into the left inner bottom end of the cement separating box (1); the outer wall of the lower end of the sludge discharge pipe (86) is in threaded connection with a sealing cap; a sealing ring is arranged between the outer wall of the upper end of the collecting hopper (84) and the lower part of the inner wall of the left side of the cement separating box (1); the right end of the second discharge pipe (81) penetrates through the middle position inside the second supporting block (3); the sludge discharge pipe (86) is arranged in the middle of the upper end of the guide plate (17).

6. The multifunctional sludge discharge device for sewage treatment as set forth in claim 1 wherein the second chemical tank (91) is installed at the right side of the upper end of the shielding cover (4) through a fixing block (93); the fixed block (93) is connected with the shielding cover (4) through bolts; the lower end of the conveying pipe (94) respectively penetrates through the middle position inside the right side of the shielding cover (4); the lower end of the T-shaped cover (96) is inserted in the middle of the inside of the right side of the shielding cover (4), and a sealing ring is arranged at the joint.