Disclosure of Invention
The invention mainly aims to provide a granulating sludge dewatering device to solve the problems of high cost and low efficiency of sludge dewatering treatment in the prior art.
In order to achieve the above object, the present invention provides a granulated sludge dewatering device comprising: the granulation device comprises a granulation barrel, a first mud outlet, a second mud outlet, a third mud outlet, a fourth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a fifth mud outlet, a sixth mud outlet, a sixth, a sixth mud outlet, a sixth, a sixth mud outlet, a sixth, a sixth, a; the screen mesh barrel is provided with a connecting hole at one end, at least one part of the conical end surface of the granulation barrel, which is provided with a first sludge outlet, extends into the connecting hole so as to connect the granulation barrel and the screen mesh barrel, the granulation barrel and the screen mesh barrel are both horizontally arranged, and the other end of the screen mesh barrel is provided with a second sludge outlet; the conveying pipe sequentially penetrates through the water outlet hole, the first sludge outlet hole and the second sludge outlet hole and is movably arranged with the granulating cylinder and the screen cylinder so as to enable the granulating cylinder and the screen cylinder to rotate around the conveying pipe, and the conveying pipe is provided with a sludge inlet hole at the position of the granulating cylinder so as to enable sludge in the conveying pipe to enter the granulating cylinder; and the propeller blades are fixedly arranged on the inner wall of the granulation cylinder body, and the propeller blades drive sludge after granulation and dehydration to enter the screen cylinder body through the first sludge outlet holes and then to be discharged through the second sludge outlet holes.
Further, the height H of the conical end face where the first mud outlet hole is positioned1Is greater than the height H of the conical end surface of the water outlet hole2。
Further, the cone angle of the cone on which the cone end surface of the first mud outlet hole is located is more than 20 degrees and less than 60 degrees.
Furthermore, granulation sludge dewatering device still includes the overflow box, and the mud hole sets up down into, and the overflow box sets up under the mud hole of advancing to make mud fall into earlier and get into the granulation barrel in the overflow box, the overflow box passes through connecting rod fixed connection with the conveyer pipe.
Further, the distance between the overflow box and the conveying pipe is equal to the radius of the water outlet hole.
Further, granulation sludge dewatering device still includes a plurality of movable sleeves, a plurality of movable sleeves set up respectively in apopore, first mud hole and second mud hole department and with granulation barrel and screen cloth barrel fixed connection, the conveyer pipe is worn to establish on a plurality of movable sleeves so that granulation barrel and screen cloth barrel rotate around the conveyer pipe.
Furthermore, a plurality of connecting rib plates are arranged at intervals in the circumferential direction of the movable sleeve, so that the movable sleeve is fixedly connected with the granulating barrel and the screen barrel.
Furthermore, granulation sludge dewatering device still includes the spacing ring, and the spacing ring cover is established on the conveyer pipe and with conveyer pipe fixed connection, and the spacing ring setting is in the conical end face department at the apopore of granulation barrel place.
Furthermore, the granulating sludge dewatering device also comprises a transmission chain wheel, the transmission chain wheel is sleeved on the conveying pipe and is fixedly connected with the movable sleeve at the water outlet, and the transmission chain wheel is in driving connection with the driving device so as to enable the granulating cylinder and the screen cylinder to rotate around the conveying pipe.
Further, the circumference of the screen cylinder is provided with a filtering screen so as to further dehydrate the sludge entering the screen cylinder.
By applying the technical scheme of the invention, the granulating sludge dewatering device comprises a granulating barrel and a screen barrel which are connected in sequence, wherein a screw blade is fixedly arranged on the inner wall of the granulating barrel, two ends of the granulating barrel are both conical end faces, one conical end face of the granulating barrel is provided with a water outlet hole, the other conical end face of the granulating barrel is provided with a first sludge outlet hole, one end of the screen barrel is provided with a connecting hole, the other end of the screen barrel is provided with a second sludge outlet hole, a conveying pipe sequentially passes through the water outlet hole, the first sludge outlet hole and the second sludge outlet hole and is movably arranged with the granulating barrel and the screen barrel so that the granulating barrel and the screen barrel rotate around the conveying pipe, sludge enters the granulating barrel through the conveying pipe, fine solid particles in the sludge start granulation along with the rotation of the granulating barrel, the solid particles are changed from small to large, solid-liquid separation is quickly formed, and the inner diameter of the water outlet hole is larger than the inner diameter of the first sludge outlet hole, and the cone angle of the conical end face where the water outlet hole is located is larger than the cone angle of the conical end face where the first sludge outlet hole is located, water flows out from the water outlet hole firstly, solid particles enter the screen cylinder body from the first sludge outlet hole along the propeller blade to be further dehydrated, and finally the solid particles are discharged through the second sludge outlet hole, so that the solid-liquid rapid separation of sludge is realized, the treatment efficiency is high, the structure is simple, the energy consumption is low, and the problems of high sludge dehydration treatment cost and low efficiency in the prior art are solved.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a granulating sludge dewatering device, which aims to solve the problems of high sludge dewatering treatment cost and low efficiency in the prior art.
As shown in fig. 1, the granulated sludge dewatering device includes a granulation cylinder 10, a screen cylinder 20, a conveying pipe 30, and a screw blade 40. Both ends of the granulation cylinder 10 are conical end faces, one conical end face of the granulation cylinder 10 is provided with a water outlet hole 11, and the other conical end face of the granulation cylinder 10 is provided with a first mud outlet hole 12. The inner diameter of the water outlet hole 11 is larger than that of the first mud outlet hole 12, and the cone angle of the cone where the conical end face where the water outlet hole 11 is located is larger than that of the cone where the conical end face where the first mud outlet hole 12 is located. One end of the screen cylinder 20 is provided with a connecting hole, and at least one part of the conical end surface of the granulation cylinder 10, which is provided with the first sludge outlet hole 12, extends into the connecting hole, so that the granulation cylinder 10 is connected with the screen cylinder 20. The granulation cylinder 10 and the screen cylinder 20 are both horizontally disposed. The other end of the screen cylinder 20 is provided with a second sludge outlet 21. The conveying pipe 30 sequentially passes through the water outlet hole 11, the first sludge outlet hole 12 and the second sludge outlet hole 21 and is movably arranged with the granulation cylinder 10 and the screen cylinder 20, so that the granulation cylinder 10 and the screen cylinder 20 rotate around the conveying pipe 30. That is, the water outlet hole 11, the first sludge outlet hole 12 and the second sludge outlet hole 21 are all coaxially arranged with respect to the conveying pipe 30. The conveying pipe 30 has a sludge inlet hole 31 at the granulation cylinder 10 so that the sludge in the conveying pipe 30 enters the granulation cylinder 10. The propeller blade 40 is fixedly arranged on the inner wall of the granulation cylinder 10, and the propeller blade 40 drives the sludge after granulation and dehydration to enter the screen cylinder 20 from the first sludge outlet hole 12 and then to be discharged from the second sludge outlet hole 21.
In this embodiment, the granulation cylinder 10 and the screen cylinder 20 are both horizontally disposed. That is, the granulated sludge dewatering device in this example is a horizontal granulated sludge dewatering device.
In the present embodiment, the screw blade 40 is welded to the inner wall of the granulation cylinder 10. The screw propeller blades 40 are firmly connected with the inner wall of the granulation cylinder 10 in a welded connection mode, and the screw propeller blades 40 can not fall off from the inner wall of the granulation cylinder 10 even if the screw propeller blades transport sludge for a long time, so that the service life of the granulation sludge dewatering device is prolonged.
Through granulation barrel 10 and the screen cloth barrel 20 that sets up the connection in order, the fixed propeller blade 40 that is provided with on the inner wall of granulation barrel 10, the both ends of granulation barrel 10 are the toper terminal surface, apopore 11 has on a toper terminal surface of granulation barrel 10, first mud outlet 12 has on another toper terminal surface of granulation barrel 10, the one end of screen cloth barrel 20 has the connecting hole, the other end of screen cloth barrel 20 has second mud outlet 21, conveyer pipe 30 passes apopore 11 in proper order, first mud outlet 12 and second mud outlet 21 and with granulation barrel 10 and the activity of screen cloth barrel 20 set up, so that granulation barrel 10 and screen cloth barrel 20 rotate around conveyer pipe 30. Sludge enters the granulation cylinder 10 through the conveying pipe 30, fine solid particles in the sludge start granulation along with the rotation of the granulation cylinder 10, the solid particles are rapidly subjected to solid-liquid separation from small to large, and water firstly flows out from the water outlet hole 11 because the inner diameter of the water outlet hole 11 is larger than that of the first sludge outlet hole 12 and the cone angle of the cone where the conical end face where the water outlet hole 11 is located is larger than that of the cone where the conical end face where the first sludge outlet hole 12 is located. Solid particles enter the screen cylinder body 20 from the first sludge outlet hole 12 along the propeller blades 40 for further dehydration, and are finally discharged through the second sludge outlet hole 21, so that the solid-liquid rapid separation of sludge is realized, the treatment efficiency is high, the structure is simple, and the energy consumption is low.
In the embodiment, the height H of the conical end surface of the first mud hole 12 is1Larger than the conical end surface of the outlet hole 11Height H2. Through above-mentioned mode of setting up, further make moisture in the mud in the granulation barrel 10 flow out from apopore 11 earlier, improved sludge dewatering efficiency.
In this embodiment, the taper angle of the cone where the tapered end surface of the first sludge outlet hole 12 is located is greater than 20 degrees and less than 60 degrees.
As shown in fig. 1, the granulated sludge dewatering device further includes an overflow box 50. The sludge inlet 31 is arranged downwards, the overflow box 50 is arranged right below the sludge inlet 31, so that the sludge firstly falls into the overflow box 50 and then enters the granulation cylinder 10, and the overflow box 50 is fixedly connected with the conveying pipe 30 through a connecting rod. Specifically, the both ends of connecting rod weld with overflow box 50 and conveyer pipe 30 respectively to guarantee the fastness of being connected between overflow box 50 and the conveyer pipe 30, the connecting rod can not split under the long-time impact of mud yet, has guaranteed granulation sludge dewatering device's normal use. Through setting up overflow box 50 for mud gets into granulation barrel 10 in earlier falling into overflow box 50, has cushioned the impact energy of mud whereabouts, avoids mud to directly fall to the inner wall of granulation barrel 10 or propeller blade 40 for a long time and causes the damage to the inner wall of granulation barrel 10 or propeller blade 40, has increased granulation sludge dewatering device's life.
In this embodiment, the distance between the overflow box 50 and the delivery tube 30 is equal to the radius of the outlet hole 11. This allows the overflow box 50 to be positioned just above the level of the sludge inside the granulation cylinder 10. If the distance between the overflow box 50 and the delivery pipe 30 is larger than the radius of the water outlet hole 11, the overflow box 50 is always in the sludge and cannot play a role of buffering. If the distance between the overflow box 50 and the delivery pipe 30 is smaller than the radius of the water outlet hole 11, the distance between the overflow box 50 and the inner wall of the granulation cylinder 10 or the propeller blade 40 is too long, and the buffering function of the overflow box 50 is very limited. Therefore, under the prerequisite of guaranteeing the overflow box 50 normal use, set up the distance between overflow box 50 and the conveyer pipe 30 and equal to the radius of apopore 11, can let overflow box 50 exert the biggest cushioning effect.
As shown in fig. 1, the granulated sludge dewatering device further includes a plurality of movable sleeves 60. The plurality of movable sleeves 60 are respectively arranged at the water outlet holes 11, the first mud outlet holes 12 and the second mud outlet holes 21 and are fixedly connected with the granulation cylinder 10 and the screen cylinder 20, and the conveying pipe 30 is arranged on the plurality of movable sleeves 60 in a penetrating manner so that the granulation cylinder 10 and the screen cylinder 20 rotate around the conveying pipe 30. Through setting up movable sleeve 60 for granulation barrel 10 and screen cloth barrel 20 realize swing joint with conveyer pipe 30, avoid granulation barrel 10 and screen cloth barrel 20 to produce great wearing and tearing when rotating around conveyer pipe 30 for a long time, increased granulation sludge dewatering device's life.
As shown in fig. 2 to 4, a plurality of connection rib plates 70 are provided at intervals in the circumferential direction of the movable sleeve 60 to fixedly connect the movable sleeve 60 with the granulation cylinder 10 and the screen cylinder 20. Through setting up connection gusset 70, guaranteed the fastness of being connected between movable sleeve 60 and granulation barrel 10 and the screen cloth barrel 20, a plurality of connection gusset 70 set up along each outlet circumference interval simultaneously, can not lead to the fact great influence to the play water or play mud of apopore 11, first mud outlet 12 and second mud outlet 21, have guaranteed granulation sludge dewatering device's normal use.
As shown in fig. 1, the granulated sludge dewatering device further includes a limit ring 80. The limiting ring 80 is sleeved on the conveying pipe 30 and is fixedly connected with the conveying pipe 30, and the limiting ring 80 is arranged on the conical end face where the water outlet hole 11 of the granulation cylinder 10 is located. Through setting up spacing ring 80, prevent that granulation barrel 10 and screen cloth barrel 20 from removing at will on conveyer pipe 30 when rotating, both prevent that granulation sludge dewatering device from bumping with other objects and damaging, also prevent to cause bodily injury to operating personnel.
As shown in fig. 1, the granulated sludge dewatering device further includes a driving sprocket 90. Correspondingly, the granulating sludge dewatering device also comprises a driving device. The transmission chain wheel 90 is sleeved on the conveying pipe 30 and is fixedly connected with the movable sleeve 60 at the water outlet hole 11, and the transmission chain wheel 90 is in driving connection with the driving device, so that the granulation cylinder 10 and the screen cylinder 20 rotate around the conveying pipe 30.
In the present embodiment, a filtering screen is provided in the circumferential direction of the screen cylinder 20 to further dehydrate the sludge entering the screen cylinder 20. The filter screens are arranged in the circumferential direction of the screen cylinder body 20, so that the dehydration area of the screen cylinder body 20 is as large as possible, sludge entering the screen cylinder body 20 can be dehydrated as soon as possible, and the sludge treatment efficiency is improved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through granulation barrel 10 and the screen cloth barrel 20 that sets up the connection in order, the fixed propeller blade 40 that is provided with on the inner wall of granulation barrel 10, the both ends of granulation barrel 10 are the toper terminal surface, apopore 11 has on a toper terminal surface of granulation barrel 10, first mud outlet 12 has on another toper terminal surface of granulation barrel 10, the one end of screen cloth barrel 20 has the connecting hole, the other end of screen cloth barrel 20 has second mud outlet 21, conveyer pipe 30 passes apopore 11 in proper order, first mud outlet 12 and second mud outlet 21 and with granulation barrel 10 and the activity of screen cloth barrel 20 set up, so that granulation barrel 10 and screen cloth barrel 20 rotate around conveyer pipe 30. Mud passes through conveyer pipe 30 and gets into granulation barrel 10, and mud drops into earlier and gets into granulation barrel 10 in the overflow box 50, the impact energy of mud whereabouts has been cushioned, avoid mud to directly fall to make the damage to granulation barrel 10's inner wall or propeller blade 40 on granulation barrel 10's the inner wall or propeller blade 40 for a long time, the life of granulation sludge dewatering device has been increased, tiny solid particle in the mud begins the granulation along with granulation barrel 10 rotates, solid particle is by little grow, form solid-liquid separation fast, because the internal diameter of apopore 11 is greater than the internal diameter of first mud outlet 12, and the cone angle of the conical surface at apopore 11 place is greater than the cone angle of the conical surface at first mud outlet 12 place, water flows from apopore 11 earlier. Solid particles enter the screen cylinder body 20 from the first sludge outlet hole 12 along the propeller blades 40 for further dehydration, and are finally discharged through the second sludge outlet hole 21, so that the solid-liquid rapid separation of sludge is realized, the treatment efficiency is high, the structure is simple, and the energy consumption is low.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.