CN217025745U

CN217025745U - Sludge evaporation material homogenizer

Info

Publication number: CN217025745U
Application number: CN202220902524.XU
Authority: CN
Inventors: 田鸣; 肖相权; 田果; 李佳君
Original assignee: Sichuan Yihe Shengda Environmental Protection Technology Co ltd
Current assignee: Sichuan Yihe Shengda Environmental Protection Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-22
Anticipated expiration: 2032-04-19

Abstract

The utility model provides a sludge evaporation material homogenizer, which relates to the technical field of sludge treatment, in particular to a sludge evaporation material homogenizer, and comprises a stirring tank, wherein a stirring cavity is arranged in the stirring tank, a stirring device is arranged in the stirring cavity, the stirring device comprises a plurality of stirring shafts arranged in parallel and a plurality of stirring blades distributed on the stirring shafts, a driving device is arranged at one end of each stirring shaft, the axial distance between every two adjacent stirring shafts is smaller than the maximum stirring diameter of each stirring shaft and larger than the maximum stirring radius of each stirring shaft, the stirring blades on the adjacent stirring shafts are distributed in a staggered and opposite insertion mode, a sludge inlet and a sludge outlet are respectively arranged at the top and the bottom of the stirring tank, a sludge drying device is arranged in the stirring cavity, and a waste gas outlet is also arranged at the top of the stirring tank. The problem of among the prior art sludge homogenizer all lack the device of handling the sludge block is solved.

Description

Sludge evaporation material homogenizer

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a sludge evaporation material homogenizer.

Background

With the rapid development of economy and increasing sludge production, sludge treatment is becoming a concern and there are many methods available for sludge treatment, both chemical and physical, such as: incineration, oxychlorination, ozone oxidation, dry distillation, etc., biological treatment methods such as: bioremediation, traditional composting, and the like. The sludge dry distillation treatment is a processing process of concentrating, regulating, dehydrating, stabilizing, drying or incinerating the sludge, and has the characteristics of good economy, high stability, less pollution, no external influence and the like.

After the sludge is dewatered, the sludge needs to be subjected to refining treatment in one step to reduce the difficulty of subsequent sludge stabilization. Because the sludge has certain viscosity after being dehydrated, the sludge is easy to be coagulated into sludge blocks with different sizes in the stirring process; among the prior art, the sludge homogenizer all lacks the device of handling the sludge cake, and the sludge cake enters into subsequent sludge stabilization treatment facility, can lead to the mud compost inhomogeneous, disinfects not thorough scheduling problem, has greatly increased the degree of difficulty of sludge stabilization.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides a sludge evaporation refiner, aiming at solving the problem that the sludge refiners in the prior art lack a device for processing sludge blocks.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model provides a sludge evaporation material homogenizer, it includes the agitator tank that transverse inclination set up, the higher end and the lower end at agitator tank both ends are provided with mud entry and sludge outlet respectively, be provided with the stirring chamber in the agitator tank, the stirring intracavity is provided with the agitating unit with the horizontal coaxial setting of agitator tank, agitating unit includes a plurality of (mixing) shafts that set up side by side and distributes in the epaxial a plurality of stirring leaves of stirring, drive arrangement is installed to the one end of (mixing) shaft, the wheel base of adjacent (mixing) shaft is less than the biggest stirring diameter of (mixing) shaft, and be greater than the biggest stirring radius of (mixing) shaft, adjacent epaxial stirring leaf of stirring is the crisscross formula of inserting and distributes, the stirring intracavity is provided with sludge drying device, the top of agitator tank still is provided with exhaust outlet.

Further, sludge drying device includes the cartridge heater that sets up along stirring intracavity wall, and processing has the steam chamber in the cartridge heater, and the both ends in steam chamber are provided with steam inlet and the steam outlet who runs through agitator tank and external intercommunication respectively. Through letting in steam to the steam intracavity, heat the mud in the stirring intracavity, evaporate unnecessary moisture in the mud, further dry the mud in the stirring intracavity.

Furthermore, a plurality of flow blocking assemblies are arranged in the steam cavity. The flow blocking component can delay the flow speed of the steam in the steam cavity, improve the utilization rate of steam energy and save resources.

Furthermore, the flow blocking assembly comprises a guide plate, the guide plate is fixed on the inner wall of the steam cavity through a support plate, and the adjacent flow blocking assemblies in the steam cavity are arranged in a staggered mode. The adjacent flow blocking assemblies in the steam cavity are arranged in a staggered mode, so that steam flows along the guide plate in the steam cavity in an S-shaped mode, the space in the steam cavity is utilized to the maximum extent to delay the speed of the steam flowing in the steam cavity, and energy is saved.

Further, the outer surface of the heating cylinder is coated with an anti-corrosion wear-resistant coating. The heating cylinder is placed in the stirring cavity and can be contacted with sludge, the sludge has certain corrosivity, the spraying anti-corrosion wear-resistant coating can play a role in protecting the heating cylinder arm, and the service life of the heating cylinder is greatly prolonged.

Furthermore, the bottom surface of the stirring cavity is obliquely arranged, the sludge outlet is positioned at the lower end of the bottom surface of the stirring cavity, the sludge inlet is positioned at one end, away from the sludge outlet, of the stirring tank, and the stirring shaft is obliquely arranged along the bottom surface of the stirring cavity. The bottom surface of the stirring cavity is obliquely arranged, so that the sludge can flow to the sludge outlet under the action of the self gravity of the stirring shaft in the stirring process, and the burden of the stirring blade for pushing the sludge to flow is reduced.

Furthermore, the surface of the stirring blade is sleeved with a serrated shell, and the shell is detachably connected with the stirring blade. When the stirring blades crush the sludge blocks in the sludge, the saw-toothed shell can cut the sludge blocks to a certain degree, so that the stirring blades have stronger crushability; meanwhile, after the shell is abraded, the shell can be replaced in time, and the effect of protecting the stirring blades is achieved.

Furthermore, a positioning plate capable of positioning the sludge drying device is arranged in the stirring cavity. When installing sludge drying device, the accessible locating plate is accurately installed, has reduced the degree of difficulty that the device was processed and was made, has improved the rationality of device structure.

The beneficial effects of the utility model are as follows:

the stirring tank and the stirring device which are transversely inclined enable the flowing speed of the sludge to be controlled through inclination, so that the phenomenon that the sludge flows too fast and cannot be sufficiently stirred can be avoided, and the sludge can be prevented from being blocked. Through the centre-to-centre spacing between the adjacent (mixing) shaft of restriction, ensure to have alternately between the adjacent stirring leaf, after mud passes through the mud entry and gets into the stirring chamber, the stirring leaf on the adjacent (mixing) shaft becomes the meshing state of crisscross opposite insertion for the mud piece receives to be broken after the extrusion of stirring leaf, has improved the homogeneity of stirring intracavity mud. Carry out the drying to the mud in the agitator tank through sludge drying device for mud further dewaters, has improved the stability of mud, has reduced the degree of difficulty of follow-up sludge stabilization, and the waste gas that produces among the dehydration process passes through exhaust outlet and discharges, avoids jar internal pressure to rise, has improved the security of device.

Drawings

FIG. 1 is a front sectional view of the sludge evaporation homogenizer.

FIG. 2 is a side sectional view of the sludge evaporation and homogenization apparatus.

Fig. 3 is an enlarged view of a point a in fig. 1.

Wherein, 1, a stirring tank; 101. a sludge inlet; 102. a sludge outlet; 103. an exhaust gas outlet; 2. a stirring chamber; 3. a stirring device; 31. a stirring shaft; 32. stirring blades; 33. a drive device; 34. a housing; 4. a sludge drying device; 41. a heating cylinder; 42. a steam chamber; 43. a steam inlet; 44. a steam outlet; 45. a flow blocking component; 451. a baffle; 452. a support plate; 5. and (7) positioning the plate.

Detailed Description

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

As shown in fig. 1-3, this sludge evaporation refiner includes agitator tank 1, be provided with stirring chamber 2 in the agitator tank 1, be provided with agitating unit 3 in the stirring chamber 2, agitating unit 3 includes a plurality of (mixing) shafts 31 that set up side by side and distributes in a plurality of stirring leaves 32 on (mixing) shaft 31, drive arrangement 33 is installed to (mixing) shaft 31's one end, adjacent (mixing) shaft 31's wheel base is less than (mixing) shaft 31's the biggest stirring diameter, and be greater than (mixing) shaft 31's the biggest stirring radius, stirring leaves 32 on adjacent (mixing) shaft 31 are the crisscross formula of inserting and distribute, agitator tank 1's top and bottom are provided with mud entry 101 and sludge outlet 102 respectively, be provided with sludge drying device 4 in the stirring chamber 2, agitator tank 1's top still is provided with exhaust outlet 103.

In this embodiment, the number of the stirring shafts 31 is preferably two, the number of the stirring blades 32 on each stirring shaft 31 is preferably 6, and the stirring blades 32 are uniformly distributed along the circumferential direction of the stirring shaft 31. Drive arrangement 33 includes agitator motor and reducing gear box, and agitator tank 1 is run through to the one end of (mixing) shaft 31 and is connected with the reducing gear box, and (mixing) shaft 31 both ends are connected with agitator tank 1 through the bearing respectively, ensure that two (mixing) shafts 31 can normally rotate, and at the in-process of stirring refining, agitator motor passes through two (mixing) shafts 31 rotations of reducing gear box control, and rotation direction is opposite, and drive dress 33 and agitator tank 1 are all installed on the support frame. The bottom of stirring chamber 2 sets to the arc with stirring leaf 32 motion circumference assorted, has reduced the clearance between stirring chamber 2 and the stirring leaf 32, avoids the raw materials to pile up, has improved the effect of stirring refining. The bottom surface slope of stirring chamber 2 sets up, and mud export 102 is located the lower one end of the bottom surface of stirring chamber 2, and mud entry 101 is located the one end of keeping away from mud export 102 on agitator tank 1, and (mixing) shaft 31 sets up along the bottom surface slope of stirring chamber 2 for (mixing) shaft 31 is at the in-process of stirring, and mud can flow to mud export 102 under the effect of self gravity, has reduced stirring leaf 32 and has promoted the burden that mud flows.

The sludge drying device 4 comprises a heating cylinder 41 arranged along the inner wall of the stirring chamber 2, a steam chamber 42 is processed in the heating cylinder 41, and a steam inlet 43 and a steam outlet 44 which penetrate through the stirring tank 1 and are communicated with the outside are respectively arranged at two ends of the steam chamber 42. A sealing cushion is arranged between the heating cylinder 41 and the inner wall of the stirring chamber 2 to prevent sludge in the stirring chamber 2 from entering the steam chamber 42 along the gap between the heating cylinder 41 and the stirring chamber 2. Be provided with in the stirring chamber 2 and can fix a position the locating plate 5 of sludge drying device 4, locating plate 5 is for installing in a plurality of arcs of stirring chamber 2 bottoms, and locating plate 5 is perpendicular with the bottom surface of stirring chamber 2, and when installation sludge drying device 4, locating plate 5 plays the effect of accurate installation.

Be provided with a plurality of choked flow subassemblies 45 in the steam chamber 42, choked flow subassembly 45 includes guide plate 451, guide plate 451 is fixed in on the inner wall of steam chamber 42 through backup pad 452, adjacent choked flow subassembly 45 crisscross setting in the steam chamber 42, in this embodiment, backup pad 452 is connected in the middle part of guide plate 451, make steam can form the backward flow to a certain extent in steam chamber 42, and it flows to be the S line along guide plate 451, utilize the space in the steam chamber 42 to the utmost extent to prolong the distance that steam flows, and then the time that extension steam dwelled in steam chamber 42, improve the utilization ratio of steam energy.

The outer surface of the heating cylinder 41 is coated with an anti-corrosion wear-resistant coating. The heating cylinder 41 is placed in the stirring cavity 2 and can be in contact with sludge, and the spraying anti-corrosion wear-resistant coating can protect the outer wall of the heating cylinder 41 due to the fact that the sludge has certain corrosivity, so that the outer wall of the heating cylinder 41 is prevented from being corroded, and the service life of the heating cylinder 41 is greatly prolonged.

The surface of the stirring blade 32 is sleeved with a serrated shell 34, and the shell 34 is detachably connected with the stirring blade 32. When the stirring blade 32 breaks sludge blocks in the sludge, the serrated outer shell 34 can cut the sludge blocks to a certain extent, so that the stirring blade 32 has stronger breaking performance; meanwhile, the outer shell 34 also plays a role in protecting the stirring blades 32, and when the outer shell 34 is worn, the crushing performance of the stirring blades 32 can be recovered by replacing the outer shell 34 in time.

The working process of the utility model is as follows:

after the sludge enters the stirring cavity 2 through the sludge inlet 101, the driving device 33 is started to enable the stirring shaft 31 to rotate in the opposite direction at the same rotating speed, so that the stirring blades 32 can continuously stir the sludge in the stirring cavity 2, the purpose of refining is achieved, and simultaneously sludge blocks in the sludge are crushed through the extrusion of the stirring blades 32 which are staggered and oppositely inserted. When the sludge refining is completed, the sludge outlet 102 is opened, and the sludge is discharged from the sludge outlet 102 under the combined pushing of the self-gravity and the stirring blades 32. In the process of stirring and refining the sludge, steam is introduced into the steam cavity 42, and the sludge in the stirring cavity 2 is heated through the heat transfer of the heating cylinder 41, so that the sludge is further dehydrated, the stability of the sludge is improved, and the waste gas generated by heating the sludge is discharged and collected through the waste gas outlet 103.

It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications in these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the machine equivalent technology of the claims of the present invention, it is intended that the present invention also include such modifications and variations.

Claims

1. The sludge evaporation refiner is characterized by comprising a stirring tank (1) which is transversely inclined, wherein a sludge inlet (101) and a sludge outlet (102) are respectively arranged at the higher end and the lower end of the two ends of the stirring tank (1), a stirring chamber (2) is arranged in the stirring tank (1), a stirring device (3) which is transversely coaxial with the stirring tank (1) is arranged in the stirring chamber (2), the stirring device (3) comprises a plurality of stirring shafts (31) which are arranged side by side and a plurality of stirring blades (32) which are distributed on the stirring shafts (31), a driving device (33) is installed at one end of each stirring shaft (31), the axial distance between every two adjacent stirring shafts (31) is smaller than the maximum stirring diameter of the stirring shafts (31) and larger than the maximum stirring radius of the stirring shafts (31), and the adjacent stirring blades (32) on the stirring shafts (31) are distributed in a staggered and oppositely-inserted manner, a sludge drying device (4) is arranged in the stirring cavity (2), and a waste gas outlet (103) is also arranged at the top of the stirring tank (1).

2. The sludge evaporation refiner of claim 1, wherein the sludge drying device (4) comprises a heating cylinder (41) arranged along the inner wall of the stirring chamber (2), a steam chamber (42) is formed in the heating cylinder (41), and a steam inlet (43) and a steam outlet (44) which penetrate through the stirring tank (1) and are communicated with the outside are respectively arranged at two ends of the steam chamber (42).

3. A sludge evaporating homogenizer according to claim 2, characterized in that a plurality of flow blocking assemblies (45) are provided in the steam chamber (42).

4. The sludge evaporation refiner of claim 3, wherein the flow blocking assemblies (45) comprise flow guiding plates (451), the flow guiding plates (451) are fixed on the inner wall of the steam cavity (42) through supporting plates (452), and adjacent flow blocking assemblies (45) in the steam cavity (42) are arranged in a staggered manner.

5. The sludge evaporation homogenizer of claim 2, wherein the outer surface of the heating cylinder (41) is coated with an anticorrosive wear-resistant coating.

6. The sludge evaporation refiner of claim 1, wherein the bottom surface of the stirring chamber (2) is arranged obliquely, the sludge outlet (102) is positioned at the lower end of the bottom surface of the stirring chamber (2), the sludge inlet (101) is positioned at the end of the stirring tank (1) far away from the sludge outlet (102), and the stirring shaft (31) is arranged obliquely along the bottom surface of the stirring chamber (2).

7. The sludge evaporation homogenizer according to claim 1, wherein a serrated shell (34) is sleeved on the surface of the stirring blade (32), and the shell (34) is detachably connected with the stirring blade (32).

8. The sludge evaporation homogenizer according to claim 1, wherein a positioning plate (5) capable of positioning the sludge drying device (4) is arranged in the stirring chamber (2).