CN211051399U

CN211051399U - Municipal sludge pre-crushing stirring device

Info

Publication number: CN211051399U
Application number: CN201921805402.3U
Authority: CN
Inventors: 尹传件; 林熙焘; 方倩
Original assignee: Wuhan Xihao Environmental Protection Co ltd
Current assignee: Wuhan Xihao Environmental Protection Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-21
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses an urban sludge is broken agitating unit in advance, mud innocent treatment equipment technical field has been related to, it can block into between initiative (mixing) shaft and the passive (mixing) shaft to have solved the hard piecemeal of part mud, results in the dead problem of initiative (mixing) shaft and passive (mixing) shaft card, including the sludge box, the inside relative rotation of sludge box is provided with main (mixing) shaft and vice (mixing) shaft, the external fixation of sludge box has first drive arrangement, the sludge box internal fixation has the filter plate, a plurality of filtration pores have been seted up in the surface running through of filter plate, one side relative slip that the sludge box was in is provided with two boards of rolling, the sludge box external fixation has the support, be fixed with second drive arrangement on the support. The utility model discloses a two are rolled the board and are rolled the mud hard lump and roll the breakage for mud is more dispersed, reduces the mud hard lump card and goes into the condition between main (mixing) shaft and the vice (mixing) shaft, makes both practical life more permanent, and is better to the crushing effect of mud.

Description

Municipal sludge pre-crushing stirring device

Technical Field

The utility model belongs to the technical field of mud innocent treatment equipment technique and specifically relates to a broken agitating unit in advance of municipal sludge is related to.

Background

With the continuous growth of urban economy and the rapid development of industrial enterprises, people have higher and higher requirements on the surrounding living environment, and the amount of urban sludge generated every day is larger and larger, so that the treatment of the urban sludge is also a core and important problem in urban environmental management nowadays, in order to ensure the effective treatment and reasonable utilization of the treatment of the urban sludge, a sludge composting mode is usually selected for recycling the sludge, the sludge composting is a fermentation process by using microorganisms in the sludge, auxiliary materials (such as straws, wood chips and the like) such as a fluffing agent, a conditioning agent and the like are added into the sludge in a certain proportion for mixing, and a plurality of organic matters in the sludge are oxidized and decomposed under a humid environment by using microbial communities in the sludge to be converted into the humic substances with higher stability, so that the sludge can be suitable for farmland landscaping, lawns, waste gas lands and the like, and has higher utilization value, Economic benefit, environmental benefit and social benefit.

Wherein, at the in-process of handling mud and auxiliary material, it is mixed with intensive mixing to require the mixer to carry out cubic mud breakage and intensive mixing to mud and auxiliary material, the chinese patent that the grant bulletin number is CN203155118U, special biax mixer of mud, the support body has, be equipped with the mud stirred tank on the support body, mud stirred tank internal rotation is provided with the initiative (mixing) shaft and the passive (mixing) shaft of mutual parallel arrangement, the one end of initiative (mixing) shaft and passive (mixing) shaft is coaxial fixedly connected with driving gear and driven gear respectively, driving gear and driven gear meshing transmission, still be equipped with on the support body and be used for driving initiative stirring pivoted motor jointly, a speed reducer, gear drive box, mud stirred tank.

The above prior art solutions have the following drawbacks: the relative rotation of initiative (mixing) shaft and passive (mixing) shaft, roll bold mud hard piece, the mud hard piece after being rolled forms scattered mud and a plurality of mud hard piece piecemeal, because the specification of mud hard piece piecemeal is inhomogeneous, initiative (mixing) shaft and passive (mixing) shaft continue relative pivoted in-process, partial mud hard piece piecemeal can block into between initiative (mixing) shaft and the passive (mixing) shaft, lead to the card to die between initiative (mixing) shaft and the passive (mixing) shaft, continuation operation between them leads to self to take place great wearing and tearing easily, even lead to the cracked condition of initiative (mixing) shaft and passive (mixing) shaft, the loss is great, remain to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a municipal sludge is broken agitating unit in advance convenient to handle the mud hard piece, reduce between the (mixing) shaft card dead, work efficiency is high.

The utility model discloses a can realize through following technical scheme:

a pre-crushing and stirring device for municipal sludge comprises a sludge box, wherein a main stirring shaft and an auxiliary stirring shaft are arranged in the sludge box in a relative rotating manner, stirring blades are fixed on the peripheral sides of the main stirring shaft and the auxiliary stirring shaft, and a first driving device for driving the main stirring shaft and the auxiliary stirring shaft to rotate is fixed outside the sludge box;

the sludge box is internally provided with a filter plate which is fixed right above the main stirring shaft and the auxiliary stirring shaft, the surface of the filter plate is provided with a plurality of filter holes convenient for the hard sludge block to fall down in a penetrating way, one side of the sludge box, which is far away from the main stirring shaft, is provided with two rolling plates in a relative sliding way, the outside of the sludge box is fixed with a support, and the support is fixed with a second driving device for driving the two rolling plates to slide relatively.

Through adopting above-mentioned technical scheme, among the practical application process, drop into mud to the sludge box in, utilize the filter plate to filter mud, slide relatively through two board of rolling of second drive arrangement drive, when two board of rolling are close to each other, extrude breakage to the mud hard cake that keeps apart on the filter plate, mud after the breakage falls on the stirring vane through the filtration pore, rotate simultaneously through main (mixing) shaft of drive arrangement drive and vice (mixing) shaft, and then carry out further breakage and transport to mud after the breakage. The utility model discloses a two are rolled the board and are rolled the mud hard lump and roll the breakage for mud is more dispersed, and the filter plate carries out the prefilter to the mud hard board, makes the mud that falls on stirring vane comparatively tiny, and then reduces the mud hard lump card and go into the condition between main (mixing) shaft and the vice (mixing) shaft, reduces the wearing and tearing to main (mixing) shaft and vice (mixing) shaft, makes both practical life more permanent, and is better to the crushing effect of mud.

Further setting the following steps: the first driving device comprises a main transmission gear, an auxiliary transmission gear and a first driving motor, one end of the main stirring shaft and one end of the auxiliary stirring shaft are respectively and fixedly connected with the main transmission gear and the auxiliary transmission gear which are in meshed transmission, and the first driving motor for driving the main transmission gear to rotate is fixed on the outer wall of the sludge box.

Through adopting above-mentioned technical scheme, first driving motor drive main drive gear rotates, and main drive gear and auxiliary drive gear meshing transmission to drive main (mixing) shaft and auxiliary mixing axle relative rotation.

Further setting the following steps: the second driving device comprises two casing shells and two sliding rods, the two casing shells are fixedly embedded in the two opposite side walls, perpendicular to the filter plate, of the sludge tank respectively, the sliding rods are arranged in the two casing shells in a sliding mode, and the two sliding rods are fixedly connected with the two rolling plates respectively.

Through adopting above-mentioned technical scheme, the relative slip of two slide bars in the cover shell drives the reciprocal slip of the axis direction of rolling board along the cover shell, utilizes the cover shell to restrict the range of sliding of slide bar.

Further setting the following steps: two the equal fixedly connected with butt plate of one end that the pole of sliding kept away from each other, the week side of the pole of sliding in butt plate with the cover is equipped with the spring between the cover shell.

Through adopting above-mentioned technical scheme, when rolling the board and being in the state that is close to each other, utilize the reverse elasticity of spring pair butt joint board, drive the pole that slides and roll the board and slide towards the direction of keeping away from each other to realize two and roll restoring of board.

Further setting the following steps: the second driving device further comprises two eccentric wheels, the support is arranged on one side, away from each other, of the sliding rods, the eccentric wheels are arranged in a rotating mode, the peripheral sides of the eccentric wheels are respectively abutted to one ends, away from each other, of the sliding rods, and the support is fixedly provided with two power assemblies which drive the sliding rods to rotate simultaneously.

Through adopting above-mentioned technical scheme, two eccentric wheels of power component drive rotate, and the eccentric wheel rotates the in-process, and the contact point of slide bar and eccentric wheel constantly changes along with the eccentric rotation of eccentric wheel to realize the reciprocal of slide bar and slide.

Further setting the following steps: power component includes main shaft, two driving pulley, two driven pulleys, two driving belt, second driving motor, the support in rotate under the sludge box and be provided with the main shaft, the coaxial fixedly connected with in week of main shaft is two driving pulley, the support in the both sides of sludge box are rotated respectively and are provided with two driven pulley, two driven pulley respectively with two the coaxial setting of eccentric wheel, two driving pulley and two driven pulley coaxial cover respectively is equipped with two driving belt, be fixed with the drive on the support main shaft pivoted second driving motor.

Through adopting above-mentioned technical scheme, second driving motor drive main shaft pivoted drives two driving pulley rotations, through two driving belt's transmission effect, drives two driven pulleys and rotates, and two driven pulleys drive two eccentric wheels respectively and continue to rotate.

Further setting the following steps: one end of the sliding rod, which is close to the eccentric wheel, is rotatably connected with a butting wheel.

Through adopting above-mentioned technical scheme, utilize the butt of butt wheel and eccentric wheel for the contact position of eccentric wheel and slide bar is more slick and sly, thereby makes the slip of slide bar more smooth.

Further setting the following steps: and a plurality of conical bulges are fixed on one side of each of the two rolling plates, which is close to each other.

Through adopting above-mentioned technical scheme, utilize the toper arch to strengthen the crushing effect of the broken hard piece of mud of board of rolling for the broken efficiency of mud is higher, reduces the energy consumption.

To sum up, the utility model discloses a beneficial technological effect does:

utilize two relative sliding's the board of rolling to carry out preliminary extrusion breakage to mud hard lump, utilize filter plate mud to filter simultaneously, refine the dispersion more to falling main (mixing) shaft and the vice epaxial mud of stirring to effectively reduce the mud card and go into the condition between main (mixing) shaft and the vice (mixing) shaft, reduce the wearing and tearing to main (mixing) shaft and vice (mixing) shaft, make both practical life more permanent, better to the crushing effect of mud.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1.

Reference numerals: 1. a sludge tank; 2. a main stirring shaft; 3. an auxiliary stirring shaft; 4. a stirring blade; 5. filtering the plate; 6. filtering holes; 7. rolling the plate; 8. a support; 9. a main drive gear; 10. a secondary drive gear; 11. a first drive motor; 12. a housing; 13. a slide bar; 14. a butt joint plate; 15. a spring; 16. an eccentric wheel; 17. a main shaft; 18. a driving pulley; 19. a driven pulley; 20. a second drive motor; 21. a butting wheel; 22. a conical projection; 23. a drive belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1, do the utility model discloses a municipal sludge is broken agitating unit in advance, including sludge box 1, the discharge gate is seted up to sludge box 1's one end bottom, refers to fig. 2, and sludge box 1's inside relative rotation is provided with main (mixing) shaft 2 and vice (mixing) shaft 3, and main (mixing) shaft 2 and the mutual parallel arrangement of vice (mixing) shaft 3, and main (mixing) shaft 2 all is fixed with stirring vane 4 with vice (mixing) shaft 3's week side. In the practical application process, drop into sludge box 1 with mud in, carry out the breakage and carry mud through main (mixing) shaft 2 and vice (mixing) shaft 3, carry mud to discharge gate department, mud is discharged through discharge gate department.

Referring to fig. 1, a first driving device for driving a main stirring shaft 2 and an auxiliary stirring shaft 3 to rotate is fixed outside a sludge tank 1, the first driving device comprises a main transmission gear 9, an auxiliary transmission gear 10 and a first driving motor 11, one end of the main stirring shaft 2 and one end of the auxiliary stirring shaft 3 are respectively and coaxially and fixedly connected with the main transmission gear 9 and the auxiliary transmission gear 10 which are in meshed transmission, a supporting plate is fixed on the outer wall of the sludge tank 1, the first driving motor 11 for driving the main transmission gear 9 to rotate is fixed on the supporting plate, and a rotating shaft of the first driving motor 11 is rotatably connected with the main transmission gear 9 through a bearing penetrating support 8. The first driving motor 11 drives the main transmission gear 9 to rotate, and the main transmission gear 9 and the auxiliary transmission gear 10 are in meshed transmission, so that the main stirring shaft 2 and the auxiliary stirring shaft 3 are driven to rotate relatively.

A filter plate 5 is fixed in the sludge tank 1 right above the main stirring shaft 2 and the auxiliary stirring shaft 3, the filter plate 5 is arranged in parallel with the bottom of the sludge tank 1, and a plurality of filter holes 6 convenient for the hard sludge blocks to fall are arranged on the surface of the filter plate 5 in a penetrating way. After the sludge is put into the sludge tank 1, the sludge is filtered by the filter plate 5, so that the sludge falling to the main stirring shaft 2 and the auxiliary stirring shaft 3 is more refined.

The sludge box 1 is provided with two rolling plates 7 in one side far away from the main stirring shaft 2 in a relative sliding manner, the rolling plates 7 are cuboid, and the two rolling plates 7 are arranged in parallel. After mud drops into in the sludge box 1, extrude the breakage through two sludge hardblocks that roll the board 7 to the surface of filter plate 5 for mud refines the dispersion more, recycles filter plate 5 and filters mud, further reduces the risk of mud card income between main (mixing) shaft 2 and the vice (mixing) shaft 3.

A plurality of conical protrusions 22 are fixed on the sides of the two rolling plates 7 close to each other. Utilize toper arch 22 to strengthen the crushing effect of the broken hard piece of mud of millboard 7 for the broken efficiency of mud is higher, reduces the energy consumption.

1 external fixation of sludge box has support 8, be fixed with the second drive arrangement that two rolling board 7 of drive slided relatively on the support 8, second drive arrangement includes two cover shells 12 and two slide bars 13, sludge box 1 is fixed respectively to be equipped with two cover shells 12 in 5 vertically double-phase opposite side walls of filter plate, cover shell 12 is cylindric and runs through the setting completely along its axis direction's both ends, two cover shell 12's axis is in on same water flat line, equal coaxial slide is provided with slide bar 13 in two cover shells 12, two slide bars 13 respectively with two rolling board 7 fixed connection. The relative sliding of two sliding rods 13 in casing 12 drives rolling plate 7 to slide back and forth along the axial direction of casing 12, and the sliding range of sliding rods 13 is limited by casing 12.

Referring to fig. 1 and 2, two ends of the sliding rod 13 away from each other are fixedly connected with a butt plate 14, the butt plate 14 and the sliding rod 13 are coaxially arranged, a spring 15 is sleeved on the periphery of the sliding rod 13 between the butt plate 14 and the casing 12, and two ends of the spring 15 abut between the casing 12 and the butt plate 14 respectively. When the rolling plates 7 are close to each other, the reverse elasticity of the spring 15 to the abutting plate 14 is utilized to drive the sliding rod 13 and the rolling plates 7 to slide towards the direction away from each other, so that the recovery of the two rolling plates 7 is realized.

The second driving device further comprises two eccentric wheels 16, the axes of the eccentric wheels 16 are orthogonal to the axis of the casing 12, the bracket 8 is rotatably provided with the eccentric wheels 16 on the sides of the two sliding rods 13 far away from each other, and the peripheral sides of the two eccentric wheels 16 are respectively abutted against the ends of the two sliding rods 13 far away from each other. Referring to fig. 2, an end of the slide lever 13 adjacent to the eccentric 16 is rotatably connected with an abutment wheel 21. In the rotation process of the eccentric wheel 16, the contact point between the abutting wheel 21 and the eccentric wheel 16 is constantly changed along with the eccentric rotation of the eccentric wheel 16 by the abutting of the abutting wheel 21 and the eccentric wheel 16, so that the reciprocating sliding of the sliding rod 13 is realized, and the sliding of the sliding rod 13 is smoother by the abutting of the abutting wheel 21 and the eccentric wheel 16.

Referring to fig. 1 and 2, a power assembly for simultaneously driving two eccentric wheels 16 to rotate is fixed on a support 8, the power assembly comprises a main shaft 17, two driving pulleys 18, two driven pulleys 19, two transmission belts 23 and a second driving motor 20, the support 8 is provided with the main shaft 17 in a rotating manner under a sludge tank 1, the axis of the main shaft 17 is parallel to the axis of a main stirring shaft 2, the two driving pulleys 18 are coaxially and fixedly connected to the peripheral side of the main shaft 17, the support 8 is provided with the two driven pulleys 19 in a rotating manner respectively at two sides of the sludge tank 1, the axis of the driven pulleys 19 is parallel to the axis of the driving pulleys 18, the two driven pulleys 19 are respectively coaxial with the two eccentric wheels 16, the two driving pulleys 18 and the two driven pulleys 19 are respectively coaxially sleeved with the two transmission belts 23, the support 8 is fixed with the second driving motor 20 for driving the main shaft 17, the rotating shaft of the second driving motor 20 is coaxially and fixedly connected with the main shaft 17 through a bearing. The second driving motor 20 drives the main shaft 17 to rotate, drives the two driving belt wheels 18 to rotate, drives the two driven belt wheels 19 to rotate through the transmission action of the two transmission belts 23, and the two driven belt wheels 19 respectively drive the two eccentric wheels 16 to continuously rotate.

The implementation principle and the beneficial effects of the embodiment are as follows:

throwing sludge into a sludge box 1, driving two eccentric wheels 16 to synchronously rotate through the common linkage action of a second driving motor 20, a main shaft 17, a driving belt wheel 18, a transmission belt 23 and a driven belt wheel 19, meanwhile, driving two sliding rods 13 to slide in a sleeve 12 through the butting of the eccentric wheels 16 and the butting wheels 21, and restoring the sliding rods 13 by utilizing the elasticity of a spring 15, so that a rolling plate 7 is driven to slide in the sludge box 1 in a reciprocating manner, sludge hard blocks isolated on a filter plate 5 are extruded and crushed, the crushed sludge falls onto stirring blades 4 through a filter hole 6, and the sludge is further crushed and conveyed through the transmission action of a first driving motor 11, a main transmission gear 9 and an auxiliary transmission gear 10 by driving a main stirring shaft 2 and an auxiliary stirring shaft 3.

The utility model discloses can carry out preliminary breakage to the hard piece of mud for the mud that falls on stirring vane 4 is comparatively tiny, and then reduces the hard piece card of mud and goes into the condition between main (mixing) shaft 2 and the vice (mixing) shaft 3, reduces the wearing and tearing to main (mixing) shaft 2 and vice (mixing) shaft 3, makes both practical life more permanent, and is better to the crushing effect of mud.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The urban sludge pre-crushing stirring device is characterized by comprising a sludge box (1), wherein a main stirring shaft (2) and an auxiliary stirring shaft (3) are arranged inside the sludge box (1) in a relative rotating manner, stirring blades (4) are fixed on the peripheral sides of the main stirring shaft (2) and the auxiliary stirring shaft (3), and a first driving device for driving the main stirring shaft (2) and the auxiliary stirring shaft (3) to rotate is fixed outside the sludge box (1);

sludge box (1) in main (mixing) shaft (2) with be fixed with filter plate (5) directly over vice (mixing) shaft (3), the surface of filter plate (5) is run through and is seted up a plurality of filtration pores (6) that are convenient for the hard piece of mud and fall, sludge box (1) is in keeping away from one side relative sliding of main (mixing) shaft (2) is provided with two rolling plate (7), sludge box (1) external fixation has support (8), be fixed with on support (8) and drive two the second drive arrangement of rolling plate (7) relative sliding.

2. The municipal sludge pre-crushing and stirring device according to claim 1, wherein the first driving device comprises a main transmission gear (9), an auxiliary transmission gear (10) and a first driving motor (11), one end of the main stirring shaft (2) and one end of the auxiliary stirring shaft (3) are respectively and coaxially and fixedly connected with the main transmission gear (9) and the auxiliary transmission gear (10) which are in meshed transmission, and the first driving motor (11) for driving the main transmission gear (9) to rotate is fixed on the outer wall of the sludge tank (1).

3. The municipal sludge pre-crushing and stirring device according to claim 1, wherein the second driving device comprises two casings (12) and two sliding rods (13), two casings (12) are fixedly embedded in the two opposite side walls of the sludge tank (1) perpendicular to the filter plate (5) respectively, the sliding rods (13) are slidably arranged in the two casings (12), and the two sliding rods (13) are fixedly connected with the two rolling plates (7) respectively.

4. The municipal sludge pre-crushing and stirring device according to claim 3, wherein one end of each of the two sliding rods (13) away from each other is fixedly connected with an abutting plate (14), and a spring (15) is sleeved on the periphery of each sliding rod (13) between each abutting plate (14) and the casing (12).

5. The municipal sludge pre-crushing and stirring device according to claim 4, wherein the second driving device further comprises two eccentric wheels (16), the bracket (8) is rotatably provided with the eccentric wheels (16) at the side where the two sliding rods (13) are far away from each other, the peripheral sides of the two eccentric wheels (16) are respectively abutted with the ends, far away from each other, of the two sliding rods (13), and a power assembly for simultaneously driving the two eccentric wheels (16) to rotate is fixed on the bracket (8).

6. The municipal sludge pre-crushing and stirring device according to claim 5, wherein the power assembly comprises a main shaft (17), two driving pulleys (18), two driven pulleys (19), two transmission belts (23) and a second driving motor (20), the main shaft (17) is rotatably arranged under the sludge tank (1) on the support (8), the two driving pulleys (18) are coaxially and fixedly connected to the peripheral side of the main shaft (17), the two driven pulleys (19) are respectively rotatably arranged on the two sides of the sludge tank (1) on the support (8), the two driven pulleys (19) are respectively coaxially arranged with the two eccentric wheels (16), the two driving pulleys (18) and the two driven pulleys (19) are respectively coaxially sleeved with the two transmission belts (23), and the second driving motor (20) for driving the main shaft (17) to rotate is fixed on the bracket (8).

7. The municipal sludge pre-crushing and stirring device according to claim 5, wherein an end of the slide rod (13) near the eccentric wheel (16) is rotatably connected with an abutment wheel (21).

8. The municipal sludge pre-crushing and stirring device according to claim 1, wherein a plurality of conical protrusions (22) are fixed on the side of each of the two rolling plates (7) close to each other.