CN215627541U

CN215627541U - Centrifuge for sludge dewatering

Info

Publication number: CN215627541U
Application number: CN202121910659.2U
Authority: CN
Inventors: 尹希勤; 唐金忠
Original assignee: Shanghai Zexi Environmental Protection Engineering Co ltd
Current assignee: Shanghai Zexi Environmental Protection Engineering Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-25
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a centrifuge for sludge dewatering, which comprises a centrifuge housing, wherein a flow dividing pipe is arranged in the centrifuge housing, an air inlet pipe connected with an external air source is fixedly connected with the air inlet end of the flow dividing pipe, a plurality of mud baffles are fixedly connected to the centrifuge housing, a plurality of air nozzles connected with the flow dividing pipe are fixedly connected to the centrifuge housing, and the air nozzles are respectively positioned on one sides of the mud baffles. According to the utility model, after the sludge is thrown out of the sludge dewatering centrifuge, the air nozzle can enable an external hot gas source to be sprayed on the sludge, and meanwhile, the spiral blades can disperse hot gas, so that the contact area of the hot gas and the sludge is increased, the dewatering efficiency of the sludge dewatering centrifuge is further improved, the sludge below the air nozzle can be heated by the electric heating plate in the heating plate, the sludge below the air nozzle can be further treated by the device, and the practicability of the device is indirectly improved.

Description

Centrifuge for sludge dewatering

Technical Field

The utility model relates to the technical field of centrifugal equipment, in particular to a centrifugal machine for sludge dewatering.

Background

The sludge centrifugal dehydrator is a machine for concentrating or dehydrating sludge by applying a centrifugal sedimentation principle, wherein the sludge is immediately thrown into a rotary drum cavity under the action of centrifugal force generated by high-speed rotation after being fed into the rotary drum by a hollow rotary shaft, and sludge particles can form a solid ring layer; the water can form a liquid ring layer, the sludge of the solid ring layer is conveyed to the conical end of the rotary drum to be discharged under the slow pushing of the screw conveyor, and the liquid of the liquid ring layer is discharged out of the dewatering machine by gravity.

In actual conditions, the sludge can be dewatered by the sludge dewatering centrifuge and then subjected to subsequent treatment, but when the existing sludge dewatering centrifuge is used, the dewatering is only carried out under the extrusion of a centrifugal effect and a screw conveyor, the dewatering efficiency is not high, and the subsequent treatment is influenced.

Therefore, we have proposed a centrifuge for sludge dewatering to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a centrifuge for sludge dewatering.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a centrifuge for sludge dewatering, includes the centrifuge housing, be equipped with the shunt tubes in the centrifuge housing, the intake pipe that the intake end fixedly connected with of shunt tubes is connected with outside air supply, fixedly connected with polylith fender on the centrifuge housing, a plurality of jet heads that are connected with the shunt tubes of fixedly connected with are a plurality of on the centrifuge housing jet heads are in one side of polylith fender respectively, two symmetrical hot plates of fixedly connected with on the centrifuge housing, and the hot plate is in the below of polylith fender.

Preferably, the output ends of the multiple mud guards are provided with arc surfaces, the multiple mud guards are placed according to a circular shell array of a centrifuge cover, and the surfaces of the multiple mud guards are provided with hard chromium.

Preferably, be equipped with out the air cavity in the jet head, fixedly connected with helical blade on the inside wall in air cavity, the output fixedly connected with filter screen in air cavity.

Preferably, the air outlet cavity consists of a rectangular through hole and a conical through hole, the conical through hole is communicated with the rectangular through hole, and the conical through hole is positioned at one end of the air nozzle output.

Preferably, the diameter of the helical blade is one third of the internal diameter of the showerhead.

Preferably, a mounting seat is fixedly connected to the inner bottom of the heating plate, an electric heating plate is fixedly connected to the mounting seat, a coating is sprayed on the surface of the heating plate, a heat collecting plate is arranged on one side of the electric heating plate, and heat-conducting silica gel is filled between the heat collecting plate and the electric heating plate.

Preferably, the coating is made of a nano ceramic coating, the two heating plates are respectively arranged at the rectangular positions of the housing of the centrifuge and are symmetrically arranged, and the top ends of the two heating plates are both arc-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

in this device, after mud is got rid of from sludge dewatering centrifuge, the jet head can make outside hot gas source spray on mud, and helical blade can disperse the hot gas simultaneously to improve the area of contact of hot gas and mud, further improvement sludge dewatering centrifuge's dehydration efficiency, and the mud that is in the below can be by the electric plate in the hot plate heat treatment, further can make the device handle the mud of below, indirect improvement the practicality of device.

Drawings

FIG. 1 is a schematic structural view of a centrifuge for sludge dewatering according to the present invention;

FIG. 2 is a schematic cross-sectional view of a centrifuge for sludge dewatering according to the present invention;

FIG. 3 is a schematic view of an internal connection structure of a gas nozzle in a centrifuge for sludge dewatering according to the present invention;

FIG. 4 is a schematic view of the internal connection structure of a heating plate in the centrifuge for sludge dewatering according to the present invention.

In the figure: 1 centrifuge cover, 2 shunt tubes, 3 air inlet pipes, 4 mud guards, 41 arc surfaces, 5 air nozzles, 51 air outlet cavities, 52 helical blades, 53 filter screens, 6 heating plates, 61 mounting seats, 62 electric heating plates, 63 coatings, 64 heat-conducting silica gel and 65 heat collecting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a centrifuge for sludge dewatering, including centrifuge housing 1, wherein centrifuge housing 1 belongs to the sludge output terminal position of the sludge dewatering centrifuge, it is not too much stated here that the existing spare part on the sludge dewatering centrifuge, equipped with shunt tubes 2 in centrifuge housing 1, the air inlet end of shunt tubes 2 fixedly connects with the air inlet pipe 3 connected with external air source, wherein other shunt tubes 2 are in centrifuge housing 1, and the air inlet pipe 3 enters into air inlet pipe 3 after the hot gas source that produces in the pyrolysis oven of the sludge treatment system is processed through the deNOx systems, thus improve the resource utilization rate of the sludge treatment system, just so can make the gas that jet head 5 squirts be the hot gas, thus reach the purpose of dewatering for the sludge again.

The centrifuge housing 1 is fixedly connected with a plurality of mud baffles 4, wherein the mud in the mud output end of the mud centrifugal dehydrator is thrown out clockwise, so that the mud can be positioned at one side of the mud baffles 4, the contact condition of the mud and the air nozzle 5 is reduced, wherein the diameters of the two mud baffles 4 positioned at the bottom are smaller, so that the mud can normally fall off, the output ends of the mud baffles 4 are respectively provided with an arc surface 41, wherein the arc surface 41 and the coating hard chromium have the purpose of enabling the mud to slide off, further the mud is prevented from falling onto the mud baffles 4, the mud baffles 4 are arranged according to a circular shell array of the centrifuge housing 1, the surfaces of the mud baffles 4 are respectively provided with hard chromium, wherein the hard chromium utilizes the characteristics of the chromium to improve the hardness, wear resistance, temperature resistance, corrosion resistance and the like of parts, so as to protect the mud baffles 4, indirectly prolonging the service life of the mudguard 4.

The centrifuge housing 1 is fixedly connected with a plurality of air nozzles 5 connected with the shunt tubes 2, the air nozzles 5 are respectively arranged at one sides of a plurality of mud baffles 4, air outlet cavities 51 are arranged in the air nozzles 5, the air outlet cavities 51 are composed of rectangular through holes and conical through holes, the conical through holes are communicated with the rectangular through holes and are arranged at one ends of the output of the air nozzles 5, the conical through holes can reduce the probability that sludge enters the air nozzles 5, under the assistance of hot air and the filter screens 53, the normal use of the air nozzles 5 cannot be influenced by the sludge, the inner side walls of the air outlet cavities 51 are fixedly connected with helical blades 52, the output ends of the air outlet cavities 51 are fixedly connected with the filter screens 53, the diameters of the helical blades 52 are one third of the internal diameters of the air nozzles 5, particularly, the helical blades 52 can disperse the air, and indirectly improve the contact area of the hot air and the sludge, further improving the sludge treatment effect of the device.

Two symmetrical heating plates 6 are fixedly connected to the centrifuge housing 1, the heating plates 6 are positioned below the plurality of mud guards 4, the mounting seat 61 is fixedly connected to the inner bottom of each heating plate 6, the electric heating plate 62 is fixedly connected to the mounting seat 61, the electric heating plate 62 can heat, the centrifuge housing 1 can be in a higher temperature state under the assistance of heat-conducting silica gel 64 and the heat-collecting plate 65, the moisture in sludge can be further processed, the thickness of one end, close to the heating plates 6, of the heat-collecting plate 65 is thinner, the normal use of the electric heating plate 62 cannot be affected by the heating plates 6, the heating plates 6 are made of metal heat-conducting materials, the normal use of the device cannot be affected by the heating plates 6, the surfaces of the heating plates 6 are sprayed with coatings 63, the coatings 63 are made of nano ceramic coatings, the coatings 63 can protect the heating plates 6, and the service lives of the heating plates 6 are further prolonged, one side of electric plate 62 is equipped with heat collection plate 65, it has heat conduction silica gel 64 to fill between heat collection plate 65 and the electric plate 62, wherein heat conduction silica gel 64 can the heat transfer, thereby make hot plate 6 normal use, two hot plates 6 are in centrifuge housing 1's rectangle position department respectively, and two symmetrical settings of hot plate 6, the top of two hot plates 6 is the arc, wherein notice especially, the length of hot plate 6 is suitable length, just so can make the mud of downward removal obtain the processing of certain time, the condition that the sludge treatment effect is not good has been avoided takes place.

According to the sludge dewatering device, when workers need to use the device, the sludge dewatering centrifuge can throw out the primarily sludge from the sludge discharge end, when the sludge is thrown out, the sludge can rotate out in the clockwise direction, so that the sludge enters one side of the fender 4 far away from the air nozzle 5, the air nozzle 5 on the other side can convey hot gas to the sludge, the spiral blades 52 in the air nozzle 5 can disperse the gas, the sludge dewatering efficiency is further improved, meanwhile, when the sludge falls, the sludge can pass through the space between the two heating plates 6, the electric heating plates in the heating plates 6 can improve the temperature below the centrifuge housing 1, the sludge is further treated, and the dewatering efficiency of the device is indirectly improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a centrifuge for sludge dewatering, includes centrifuge housing (1), its characterized in that, be equipped with shunt tubes (2) in centrifuge housing (1), intake pipe (3) that the air inlet end fixedly connected with of shunt tubes (2) is connected with outside air supply, fixedly connected with polylith fender (4) on centrifuge housing (1), a plurality of jet-propelled heads (5) that are connected with shunt tubes (2) of fixedly connected with are gone up in centrifuge housing (1), and are a plurality of jet-propelled head (5) are in one side of polylith fender (4) respectively, two symmetrical hot plate (6) of fixedly connected with are gone up in centrifuge housing (1), and hot plate (6) are in the below of polylith fender (4).

2. The centrifuge for sludge dewatering according to claim 1, wherein the output ends of the plurality of mud baffles (4) are provided with circular arc surfaces (41), the plurality of mud baffles (4) are arranged according to a circular shell array of the centrifuge housing (1), and the surfaces of the plurality of mud baffles (4) are provided with hard chrome.

3. The centrifuge for sludge dewatering according to claim 1, wherein an air outlet cavity (51) is arranged in the air nozzle (5), a helical blade (52) is fixedly connected to the inner side wall of the air outlet cavity (51), and a filter screen (53) is fixedly connected to the output end of the air outlet cavity (51).

4. The centrifuge for sludge dewatering according to claim 3, wherein the air outlet cavity (51) is composed of a rectangular through hole and a conical through hole, the conical through hole is communicated with the rectangular through hole, and the conical through hole is positioned at one end of the air nozzle (5) for outputting.

5. A centrifuge for dewatering sludge according to claim 3, wherein the diameter of the spiral blade (52) is one third of the inner diameter of the air jet head (5).

6. The centrifuge for sludge dewatering according to claim 1, wherein a mounting seat (61) is fixedly connected to the inner bottom of the heating plate (6), an electric heating plate (62) is fixedly connected to the mounting seat (61), a coating (63) is sprayed on the surface of the heating plate (6), a heat collecting plate (65) is arranged on one side of the electric heating plate (62), and a heat conductive silica gel (64) is filled between the heat collecting plate (65) and the electric heating plate (62).

7. The centrifuge for sludge dewatering according to claim 6, wherein the coating (63) is made of a nano ceramic coating, the two heating plates (6) are respectively arranged at the rectangular position of the centrifuge housing (1), the two heating plates (6) are symmetrically arranged, and the top ends of the two heating plates (6) are both arc-shaped.