CN114950199A

CN114950199A - Desulfurization effluent system mud agitating unit

Info

Publication number: CN114950199A
Application number: CN202210609392.6A
Authority: CN
Inventors: 文邦豪; 包玉莲; 王华超; 邓家德; 黄垂洪; 于昊良; 钟维江
Original assignee: Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Current assignee: Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-30

Abstract

The invention discloses a sludge stirring device of a desulfurization wastewater system, which comprises a stirring tank, a driving shaft, an adjusting shaft and a stirring device, wherein the stirring tank is provided with a stirring shaft; the driving shaft is vertically arranged in the stirring tank, the adjusting shaft is coaxially arranged in the hollow driving shaft, and the input ends of the driving shaft and the adjusting shaft are respectively connected with the driving device; agitating unit includes the support arm, regulating arm and connecting rod, the one end drive shaft rigid coupling of support arm, the other end level extends, the regulating arm is connected with the support arm, the one end and the regulating arm hinge of connecting rod, the other end passes through lead screw slider mechanism and is connected with the regulating shaft, the axial slip that the support arm can be followed to the regulating arm is used for adjusting the radius in stirring region, the agitating unit who forms through support arm and regulating arm combination not only can realize the stirring of mud, can also realize clearing up lateral wall silt after stirring silt is accomplished, agitating unit's life is improved.

Description

Desulfurization effluent system mud agitating unit

Technical Field

The invention relates to the technical field of sludge treatment, in particular to a sludge stirring device of a desulfurization wastewater system.

Background

All need dewater mud among the thermal power plant's desulfurization waste water system, and plate and frame filter press carries out the in-process of dehydration to mud, carries the mud in the mud agitator tank to plate and frame filter press earlier through the sludge pump. However, in actual use, the existing sludge stirring tank cannot completely stir the sludge, so that the sludge flocculation effect is poor, the sludge entering the filter press cannot be well dewatered, multiple times of dewatering is often needed, and the working efficiency is seriously affected; secondly, the current mud agitator tank inner wall remains more mud easily and can't get rid of, and stirring effect is poor, influences the row mud behind the easy deposit thick liquid in bottom, also leads to the device to corrode easily and damages, has shortened the life of device.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the stirring device for the desulfurization wastewater system, which is simple and quick by controlling different working modes of the scraper, can clean sludge on the side wall after the completion of stirring the sludge, avoids the device from being easily corroded and damaged, and shortens the service life of the device.

The invention is realized by the following technical scheme:

a sludge stirring device of a desulfurization wastewater system comprises a stirring tank, a driving shaft, an adjusting shaft and a stirring device;

the driving shaft is vertically arranged in the stirring tank, the adjusting shaft is coaxially arranged in the hollow driving shaft, and the input ends of the driving shaft and the adjusting shaft are respectively connected with the driving device;

the stirring device comprises a supporting arm, an adjusting arm and a connecting rod, wherein one end of the supporting arm is fixedly connected with a driving shaft, the other end of the supporting arm extends horizontally, the adjusting arm is connected with the supporting arm, one end of the connecting rod is hinged with the adjusting arm, the other end of the connecting rod is connected with the adjusting shaft through a lead screw slider mechanism, and the adjusting arm can slide axially along the supporting arm and is used for adjusting the radius of a stirring area.

Preferably, the adjusting arm is of a hollow structure, the adjusting arm is sleeved on the supporting arm, the connecting rod is arranged in an inclined mode, one end of the connecting rod is hinged to one end, close to the driving shaft, of the adjusting arm, the other end of the connecting rod is hinged to the lead screw sliding block mechanism, and the lead screw sliding block mechanism is used for adjusting the inclination of the connecting rod.

Preferably, the screw rod sliding block mechanism comprises a spiral groove and a sliding sleeve;

the spiral groove is arranged on the adjusting shaft, the sliding sleeve is assembled on the adjusting shaft, the driving shaft is provided with a sliding groove, and the end part of the connecting rod penetrates through the sliding groove to be hinged with the sliding sleeve.

Preferably, the center of the supporting arm is provided with a mounting hole, an auxiliary supporting rod is arranged in the mounting hole, and the end part of the auxiliary supporting rod is fixedly connected with the inner end face of the adjusting arm.

Preferably, a sliding plate is arranged between the supporting arm and the adjusting arm.

Preferably, a plurality of scrapers are arranged at intervals at the end part of the adjusting arm.

Preferably, a main driving device and an auxiliary driving device are arranged on the stirring tank, the upper end of the adjusting shaft extends out of the upper end of the driving shaft, the main driving device is connected with the driving shaft, and the auxiliary driving device is connected with the adjusting shaft.

Preferably, a plurality of sliding sleeves are arranged on the adjusting shaft at intervals from top to bottom, and a plurality of stirring devices are uniformly distributed and connected on the circumference of each sliding sleeve.

Preferably, the bottom of agitator tank is connected with vibration damping mount through the stand, is provided with a plurality of damper in the vibration damping mount, and the stand is connected with damper.

Compared with the prior art, the invention has the following beneficial technical effects:

the invention provides a sludge stirring device of a desulfurization wastewater system, which comprises a stirring tank, a driving shaft and a coaxial adjusting shaft, wherein the driving shaft and the coaxial adjusting shaft are arranged in the stirring tank, a stirring device is arranged on the driving shaft, the stirring radius of the stirring device is adjusted through a screw rod slider mechanism, the driving shaft and the adjusting shaft are respectively driven to rotate through two groups of driving devices, in the stirring process, an adjusting arm is sleeved on a supporting arm through rotating the adjusting shaft, then the driving shaft drives the stirring device to rotate to realize stirring of slurry, when the tank wall needs to be cleaned, a sliding sleeve is driven to move through a secondary driving device to further extend the adjusting arm, then the stirring device is driven to rotate through the driving shaft to enable a scraper to clean the tank wall, the stirring device formed by combining the supporting arm and the adjusting arm not only can realize stirring of the slurry, but also can clean the side wall of the sludge after the stirring of the sludge is finished, the device is prevented from being easily corroded and damaged, and the service life of the device is shortened.

Drawings

FIG. 1 is a view showing an internal structure of a sludge stirring apparatus of a desulfurization waste water system according to the present invention;

FIG. 2 is a structural view of a stirring device of the sludge stirring device of the desulfurization waste water system according to the present invention;

FIG. 3 is a top view of a stirring device of the sludge stirring device of the desulfurization waste water system according to the present invention;

FIG. 4 is a structural view of a vibration damping base of the sludge stirring device of the desulfurization wastewater system.

In the figure: 1. a stirring tank; 2. a can lid; 3. a sludge inlet; 4. a medicine adding port; 5. a drive shaft; 6. an adjustment shaft; 7. a stirring device; 8. a sliding sleeve; 9. a water outlet; 10. a damping mount; 11. a column; 12. a main drive device; 13. a secondary drive device; 14. a base; 15. a sludge outlet; 21. a support arm; 22. a slide plate; 23. an auxiliary support bar; 24. an adjusting arm; 25. a scraper; 26. a baffle plate; 27. a connecting rod; 30. a lower platen; 31. a shock-absorbing lever; 32. a moving block; 33. a first damping spring; 34. a pulley; 35. a fixed cylinder; 36. fixing a column; 37. a second damping spring.

Detailed Description

The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.

Referring to fig. 1-4, a sludge stirring device of a desulfurization wastewater system comprises a stirring tank 1, a driving shaft 5, an adjusting shaft 6 and a stirring device 7.

The driving shaft 5 is vertically arranged in the stirring tank 1, the adjusting shaft 6 is coaxially arranged inside the hollow driving shaft, the input ends of the driving shaft 5 and the adjusting shaft 6 are respectively connected with a driving device, and the stirring devices 7 are uniformly distributed on the driving shaft 5.

The stirring device 7 comprises a supporting arm 21, an adjusting arm 24 and a connecting rod 27, wherein one end of the supporting arm 21 is fixedly connected with a driving shaft, the other end of the supporting arm is horizontally extended, the adjusting arm is connected with the supporting arm, one end of the connecting rod 27 is hinged with the adjusting arm, the other end of the connecting rod 27 is connected with the adjusting shaft through a screw rod sliding block mechanism, and the adjusting arm 24 can slide along the axial direction of the supporting arm 21 and is used for adjusting the radius of a stirring area.

The top demountable installation of agitator tank 1 has cover 2, fixed mounting has the packing ring between cover 2 and the agitator tank 1, is provided with into mud mouth 3 and dosing port 4 on cover 2 respectively, pours into agitator tank 1 into mud through advancing mud mouth 3, and dosing port 4 is used for pouring into agitator tank 1 into the medicine when stirring into, and the bottom of 1 lateral wall of agitator tank is provided with outlet 9 and mud outlet 15, the equal fixedly connected with stand 11 of bottom four corners department of agitator tank 1, the bottom of stand all is equipped with vibration damping mount 10.

Referring to fig. 2 and 3, the adjusting arm 24 is a hollow structure, and is sleeved on the supporting arm 21, one end of the connecting rod is hinged to the end of the adjusting arm, the hinged end is the end close to the driving shaft, the connecting rod is arranged in an inclined manner, the other end of the connecting rod is hinged to the screw rod slider mechanism, and the screw rod slider mechanism is used for adjusting the inclination of the connecting rod, so that the adjusting arm can slide along the axial direction of the supporting arm, thereby adjusting the total length of the supporting arm and the adjusting arm, and further adjusting the stirring radius of the stirring device.

The maximum length of support arm and regulating arm is the radius of agitator tank, when support arm and regulating arm adjust to maximum length, drives agitating unit through the drive shaft and rotates for clean the mud of the inner wall of agitator tank.

The lead screw slider mechanism includes helicla flute and sliding sleeve 8, the helicla flute sets up on the regulating spindle, and sliding sleeve 8 assembles on the regulating spindle, is provided with the spout in the drive shaft, and the tip of connecting rod 27 passes the spout and is articulated with the sliding sleeve, through the positive and negative rotation of control regulating spindle, makes the slider reciprocate along the drive shaft, and then drives the regulating arm through the connecting rod and remove, realizes stirring radial regulation.

In the embodiment, when the driving shaft rotates clockwise, the sliding sleeve moves downwards, the horizontal hinge of the connecting rod is gradually reduced, the adjusting arm moves towards the tank wall of the stirring tank, the stirring radius is increased, and when the end part of the adjusting arm is in contact with the tank wall, the adjusting arm is used for cleaning the tank wall; when the driving shaft rotates anticlockwise, the sliding sleeve moves upwards, the horizontal hinge of the connecting rod is gradually increased, the adjusting arm moves horizontally towards the center of the stirring tank, and the stirring radius is reduced.

Be provided with slide 22 between support arm and the regulating arm for frictional force when reducing the regulating arm and removing, the inner wall of slide and regulating arm, or the outer wall rigid coupling of support arm, the slide is the graphite plate, and the free end of support arm is provided with baffle 26, and the regulating arm cup joints the tip at the regulating arm and is provided with spacing bulge loop, prevents through baffle 26 and spacing bulge loop that regulating arm and support arm separate.

Further, the center of support arm is provided with the mounting hole, is provided with auxiliary support rod 23 in the mounting hole, and the tip of auxiliary support rod 23 and the interior terminal surface rigid coupling of regulating arm, and when the regulating arm removed, auxiliary support rod 23 increased the intensity of regulating arm through auxiliary support rod 23 along mounting hole synchronous motion, improved the intensity of regulating arm during the stirring, extension agitating unit's life.

Be provided with base 14 in the bottom of agitator tank, drive shaft and regulating spindle all are connected with the base through the bearing, and the base can be dismantled with the bottom of agitator tank and be connected, are convenient for maintain the agitator tank.

The end part of the adjusting arm is provided with a plurality of scrapers 25 at intervals, and slurry deposited on the inner wall of the stirring tank is cleaned through the scrapers.

The tank cover is provided with a main driving device 12 and an auxiliary driving device 13, the upper end of the adjusting shaft extends out of the upper end of the driving shaft, the main driving device 12 is connected with the driving shaft, and the auxiliary driving device 13 is connected with the adjusting shaft.

The primary driving device 12 comprises a motor, the motor is connected with a driving shaft through a synchronous belt, the secondary driving device 13 comprises a motor and a gear, and the gear is fixed on an output shaft of the motor and is meshed with the end part of the adjusting shaft.

In the embodiment, a plurality of sliding sleeves are sequentially arranged on the adjusting shaft from top to bottom, a plurality of stirring devices are uniformly distributed and connected on the circumference of each sliding sleeve, preferably three stirring devices are arranged on each sliding sleeve, the stirring efficiency is improved through the plurality of stirring devices, and meanwhile the efficiency of cleaning slurry on the wall of the tank is improved.

The shock absorption base 10 is internally provided with a containing cavity, the bottom end of the upright post is fixedly connected with a lower pressure plate 30, two ends of the lower surface of the lower pressure plate are respectively provided with a connecting rod 31, the upper end of the connecting rod 31 is movably connected with the lower pressure plate through a pin shaft, the lower end of the connecting rod is movably connected with a moving block 32 through a pin shaft, one side of the moving block 32 is provided with a first shock absorption spring 33, two ends of the lower surface of the moving block are respectively and fixedly connected with a pulley 34, the middle part of the bottom end of the containing cavity is fixedly connected with a vertically arranged fixed cylinder 35, the top end of the fixed cylinder 35 is provided with a fixed column 36, and the outer surface of the fixed column 36 is sleeved with a second shock absorption spring 37. Through the cooperation use of lower pressure disk, connecting rod, movable block, first damping spring, pulley, spout, fixed cylinder, fixed column and second damping spring, can cushion the vibrations that agitating unit main part during operation produced, reduce the noise that agitating unit main part during operation produced, structural design is reasonable, convenient to use.

The bottom of the accommodating cavity is provided with a second sliding groove matched with the pulley, the pulley is in sliding connection with the second sliding groove, the sliding block and the sliding groove facilitate movement of the moving block, and stability of the moving block during movement can be enhanced.

The sludge stirring device of the desulfurization wastewater system comprises a stirring tank, wherein stand columns are fixedly connected to four corners of the lower surface of the stirring tank, and damping bases are arranged at the bottom ends of the four stand columns. The stirring device is arranged on the driving shaft, the stirring radius of the stirring device is adjusted through the lead screw slider mechanism, the driving shaft and the adjusting shaft rotate through two groups of driving devices respectively, in the stirring process, the adjusting shaft is rotated to enable the adjusting arm to be sleeved on the supporting arm, then the driving shaft drives the stirring device to rotate to stir the slurry, when the tank wall needs to be cleaned, the sliding sleeve is moved through the auxiliary driving device to further enable the adjusting arm to extend out, then the stirring device is driven to rotate through the driving shaft to enable the scraper to clean the tank wall, the sludge on the side wall is cleaned after the sludge is stirred, the device is prevented from being easily corroded and damaged, the service life of the device is shortened, the stirring assembly is arranged to not only stir the sludge in the stirring tank, but also clean the sludge remained on the side wall, convenient to use, simultaneously through switching over the motor and just reversing different mode of control scraper, simple swift.

The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims

1. A sludge stirring device of a desulfurization wastewater system is characterized by comprising a stirring tank (1), a driving shaft (5), an adjusting shaft (6) and a stirring device (7);

the driving shaft (5) is vertically arranged in the stirring tank (1), the adjusting shaft (6) is coaxially arranged in the hollow driving shaft, and the input ends of the driving shaft (5) and the adjusting shaft (6) are respectively connected with a driving device;

agitating unit (7) are including support arm (21), regulating arm (24) and connecting rod (27), the one end drive shaft rigid coupling of support arm (21), and the other end level extends, and the regulating arm is connected with the support arm, and the one end and the regulating arm hinge of connecting rod (27), the other end pass through lead screw slider mechanism and regulating shaft and be connected, and regulating arm (24) can be followed the axial slip of support arm (21) and be used for adjusting the radius in stirring region.

2. The sludge stirring device of the desulfurization waste water system as recited in claim 1, wherein the adjusting arm (24) is a hollow structure, and is sleeved on the supporting arm (21), the connecting rod is obliquely arranged, one end of the connecting rod is hinged with one end of the adjusting arm close to the driving shaft, the other end of the connecting rod is hinged with the screw rod slider mechanism, and the screw rod slider mechanism is used for adjusting the inclination of the connecting rod.

3. The sludge stirring device of the desulfurization waste water system as recited in claim 2, wherein the screw rod sliding block mechanism comprises a spiral groove and a sliding sleeve (8);

the spiral groove is arranged on the adjusting shaft, the sliding sleeve (8) is assembled on the adjusting shaft, the driving shaft is provided with a sliding groove, and the end part of the connecting rod (27) penetrates through the sliding groove to be hinged with the sliding sleeve.

4. The sludge stirring device of the desulfurization waste water system as recited in claim 2, wherein a mounting hole is formed in the center of the supporting arm, an auxiliary supporting rod (23) is arranged in the mounting hole, and the end of the auxiliary supporting rod (23) is fixedly connected with the inner end surface of the adjusting arm.

5. The sludge stirring device of desulfurization waste water system according to claim 1, characterized in that a sliding plate (22) is disposed between said supporting arm and said adjusting arm.

6. The sludge stirring device of a desulfurization waste water system according to claim 1, characterized in that the end of the adjusting arm is provided with a plurality of scrapers (25) at intervals.

7. The sludge stirring device of the desulfurization waste water system as recited in claim 1, wherein the stirring tank (1) is provided with a main driving device (12) and an auxiliary driving device (13), the upper end of the adjusting shaft extends out of the upper end of the driving shaft, the main driving device (12) is connected with the driving shaft, and the auxiliary driving device (13) is connected with the adjusting shaft.

8. The sludge stirring device of the desulfurization wastewater system of claim 1, wherein a plurality of sliding sleeves are arranged on the adjusting shaft at intervals from top to bottom, and a plurality of stirring devices are uniformly distributed and connected on the circumference of each sliding sleeve.

9. The sludge stirring device of the desulfurization waste water system as recited in claim 1, wherein the bottom of the stirring tank (1) is connected with a damping base (10) through a column (11), a plurality of damping mechanisms are arranged in the damping base (10), and the column (11) is connected with the damping mechanisms.