CN215855721U

CN215855721U - Domestic sewage sludge drying treatment equipment

Info

Publication number: CN215855721U
Application number: CN202122610480.1U
Authority: CN
Inventors: 赵成; 赵鑫; 李树林; 李金旺
Original assignee: Shanxi Qingze Environmental Science And Technology Co ltd
Current assignee: Shanxi Qingze Environmental Science And Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-02-18
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses domestic sewage sludge drying treatment equipment which comprises a drying cylinder, a base and a lifting cylinder, wherein a cylinder cover is installed at the top end of the drying cylinder, a hollow stirring shaft is installed at the middle position of the bottom end of the cylinder cover, a hollow pipe is installed on the outer surface of the hollow stirring shaft, a heating plate is installed on the inner surface of the drying cylinder, a discharge valve is installed at the middle position of the bottom end of the drying cylinder, the lifting cylinder is installed on one side of the top end of the base through a stand column, a rotating shaft is installed inside the lifting cylinder, spiral blades are installed on the outer surface of the rotating shaft, a bent pipe is installed at the top end of the lifting cylinder, a reducing pipe is installed at the tail end of the bent pipe, a feeding pipe is installed at the tail end of the reducing pipe, and the tail end of the feeding pipe is connected to the top end of the cylinder cover. The utility model can improve the drying efficiency of the sludge and reduce the energy consumption, thereby reducing the treatment cost.

Description

Domestic sewage sludge drying treatment equipment

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to domestic sewage sludge drying treatment equipment.

Background

The sludge treatment is a processing process of reducing, stabilizing and harmlessly treating sludge such as concentration, conditioning, dehydration, stabilization, drying or incineration and the like. The higher the degree of wastewater treatment, the more sludge residue will be produced to be treated. A general sewage treatment plant must be provided with a sludge treatment facility unless the sewage is treated using land treatment or a sewage pond. For modern sewage treatment plants, the treatment and disposal of sludge has become the most complex and costly part of the operation of sewage treatment systems.

Through mass retrieval, the typical sludge drying device disclosed by the publication number CN112794614A of domestic sewage sludge drying treatment equipment in the prior art is found to be directly dried by high-temperature hot flue gas, so that the heat transfer efficiency is high, and the drying effect is good; the specific surface area is fast to replace, and the drying efficiency is high; drying in a Brownian motion mode, and drying uniformly; the abrasion of equipment is reduced, and the service life of the equipment is prolonged; the mechanical energy consumption is reduced.

In the process of domestic sewage treatment, a large amount of excess sludge is generated and needs drying treatment, and the drying efficiency of the conventional sludge drying equipment is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a domestic sewage sludge drying treatment device which has the advantages of improving the drying efficiency of sludge and reducing energy consumption, and solves the problem of the drying efficiency of the existing sludge drying device.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a domestic sewage sludge drying treatment equipment, includes mummification section of thick bamboo, base and lifting cylinder, the cover is installed to mummification bobbin top, cover bottom intermediate position department installs the cavity (mixing) shaft, cavity (mixing) shaft surface mounting has the hollow tube, mummification bobbin internal surface mounting has the hot plate, mummification bobbin bottom intermediate position department installs the bleeder valve, base top one side has the lifting cylinder through the column mounting, lifting cylinder internally mounted has the pivot, pivot surface mounting has helical blade, the return bend is installed to promotion bobbin top, the reducing pipe is installed to the return bend end, the inlet pipe is installed to reducing pipe end, and inlet pipe end-to-end connection in the cover top.

Preferably, the supporting leg is installed to mummification bobbin base, and the supporting leg bottom is connected on the base top, the supporting leg is equipped with four altogether, and four the supporting leg forms annular array equidistance branch and locates mummification bobbin base.

Preferably, one side that the base top deviates from the mummification section of thick bamboo installs the sludge box, the connecting pipe is installed to sludge box bottom, and connecting pipe end-to-end connection in promotion section of thick bamboo outer surface.

Preferably, the inside filter screen of installing near the bottom position of a promotion section of thick bamboo, promote section of thick bamboo outer surface and be located filter screen below position department and install the drain pipe.

Preferably, the bottom end of the lifting cylinder is provided with a rotating motor, and the output end of the rotating motor is connected with the tail end of the rotating shaft.

Preferably, the aircraft bonnet is installed to cover top intermediate position department, the blast pipe is installed to one side that the cover top deviates from the inlet pipe, the cover top is close to rear surface position department and installs the air heater, air heater output and cavity (mixing) shaft top are passed through rotary joint and are connected.

Preferably, bevel gear B is sleeved at the position, close to the top end, of the outer surface of the hollow stirring shaft, a stirring motor is installed at the position, close to the front surface, of the top end of the cylinder cover, bevel gear A is installed at the output end of the stirring motor, and the bevel gear A is meshed with the bevel gear B.

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

the sludge drying device has the advantages that the spiral blades, the hollow stirring shaft, the hollow pipe and the air heater are arranged, so that the effects of improving the sludge drying efficiency and reducing the energy consumption are achieved, after sludge fed into a sludge box enters the interior of the lifting cylinder through the connecting pipe, the spiral blades rotate to enable the sludge to rise, the sludge is extruded due to the effect of the reducer pipe 2, a part of moisture in the sludge is extruded out and is discharged through the drain pipe, the extruded sludge enters the drying cylinder, the heating plate heats the sludge, the hollow stirring shaft drives the hollow pipe to stir the sludge to enable the sludge to be uniformly heated, meanwhile, the air heater works, hot air enters the sludge through the hollow stirring shaft and the hollow pipe to reheat the sludge, meanwhile, the air flow in the drying cylinder is accelerated, and moist hot air is discharged through the exhaust pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the interior of the lift cylinder of the present invention;

FIG. 4 is a schematic side view of a drying drum according to the present invention;

FIG. 5 is an enlarged view of A in FIG. 4 according to the present invention.

In the figure: 1. bending the pipe; 2. a reducer pipe; 3. a feed pipe; 4. a hood; 5. a cylinder cover; 6. a drying drum; 7. supporting legs; 8. a base; 9. a column; 10. rotating the motor; 11. a sludge tank; 12. a lifting cylinder; 13. an exhaust pipe; 14. a discharge valve; 15. a drain pipe; 16. a connecting pipe; 17. a rotating shaft; 18. a helical blade; 19. filtering with a screen; 20. a hot air blower; 21. a stirring motor; 22. a hollow stirring shaft; 23. heating plates; 24. a hollow tube; 25. a rotary joint; 26. a bevel gear A; 27. and a bevel gear B.

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. 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.

Referring to fig. 1 to 5, the present invention provides a technical solution of a domestic sewage sludge drying treatment apparatus: a domestic sewage sludge drying treatment device comprises a drying cylinder 6, a base 8 and a lifting cylinder 12, wherein a cylinder cover 5 is installed at the top end of the drying cylinder 6, a hood 4 is installed at the middle position of the top end of the cylinder cover 5, an exhaust pipe 13 is installed at one side, away from a feeding pipe 3, of the top end of the cylinder cover 5, a hot air fan 20 is installed at the position, close to the rear surface, of the top end of the cylinder cover 5, the output end of the hot air fan 20 is connected with the top end of a hollow stirring shaft 22 through a rotary joint 25, the hot air fan 20 works, hot air enters sludge through the hollow stirring shaft 22 and a hollow pipe 24 to heat the sludge again, meanwhile, the air flow inside the drying cylinder 6 is accelerated, moist hot air is exhausted through the exhaust pipe 13, the hollow stirring shaft 22 is installed at the middle position of the bottom end of the cylinder cover 5, a bevel gear B27 is sleeved at the position, close to the top end, and a stirring motor 21 is installed at the position, close to the front surface, of the top end of the cylinder cover 5, bevel gear A26 is installed to agitator motor 21 output, and bevel gear A26 and bevel gear B27 mesh mutually, and agitator motor 21 work makes cavity (mixing) shaft 22 drive hollow tube 24 and rotate and stir mud, improves the degree of consistency that is heated of mud.

A hollow pipe 24 is arranged on the outer surface of a hollow stirring shaft 22, a heating plate 23 is arranged on the inner surface of a drying cylinder 6, a discharge valve 14 is arranged at the middle position of the bottom end of the drying cylinder 6, a lifting cylinder 12 is arranged on one side of the top end of a base 8 through an upright post 9, a filter screen 19 is arranged in the lifting cylinder 12 close to the bottom end, a drain pipe 15 is arranged on the outer surface of the lifting cylinder 12 below the filter screen 19, a rotating motor 10 is arranged at the bottom end of the lifting cylinder 12, the output end of the rotating motor 10 is connected with the tail end of a rotating shaft 17, the rotating motor 10 works to drive the rotating shaft 17 to drive a helical blade 18 to rotate, a rotating shaft 17 is arranged in the lifting cylinder 12, a helical blade 18 is arranged on the outer surface of the rotating shaft 17, a bent pipe 1 is arranged at the top end of the lifting cylinder 12, a reducer pipe 2 is arranged at the tail end of the bent pipe 1, a feeding pipe 3 is connected with the top end of a cylinder cover 5, supporting legs 7 are installed to 6 bottoms of a mummification section of thick bamboo, and the supporting legs 7 bottom is connected on 8 tops of base, and supporting legs 7 are equipped with four altogether, and four supporting legs 7 annular array equidistance branch locate 6 bottoms of a mummification section of thick bamboo, and one side that 8 tops of base deviate from a mummification section of thick bamboo 6 installs sludge box 11, and connecting pipe 16 is installed to sludge box 11 bottom, and 16 end-to-end connections of connecting pipe are in promoting 12 surfaces of a section of thick bamboo.

The working principle is as follows: the sludge drying device is arranged at a place needing to be used, after sludge added into a sludge box 11 enters a lifting cylinder 12 through a connecting pipe 16, a spiral blade 18 rotates to enable the sludge to rise, the sludge is extruded due to the effect of a reducer pipe 2, a part of moisture in the sludge is extruded out and discharged through a drain pipe 15, the extruded sludge enters a drying cylinder 6, a heating plate 23 heats the sludge, a hollow stirring shaft 22 drives a hollow pipe 24 to stir the sludge so that the sludge is uniformly heated, a hot air blower 20 works at the same time, hot air enters the sludge through the hollow stirring shaft 22 and the hollow pipe 24 to heat the sludge again, air flow in the drying cylinder 6 is accelerated, humid hot air is discharged through an exhaust pipe 13, and therefore the working process is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a domestic sewage sludge drying treatment equipment, includes mummification section of thick bamboo (6), base (8) and promotion section of thick bamboo (12), its characterized in that: a cylinder cover (5) is arranged at the top end of the drying cylinder (6), a hollow stirring shaft (22) is arranged in the middle position of the bottom end of the cylinder cover (5), the outer surface of the hollow stirring shaft (22) is provided with a hollow pipe (24), the inner surface of the drying cylinder (6) is provided with a heating plate (23), a discharge valve (14) is arranged in the middle of the bottom end of the drying cylinder (6), a lifting cylinder (12) is arranged on one side of the top end of the base (8) through an upright post (9), a rotating shaft (17) is arranged in the lifting cylinder (12), a helical blade (18) is arranged on the outer surface of the rotating shaft (17), the top end of the lifting cylinder (12) is provided with a bent pipe (1), the tail end of the bent pipe (1) is provided with a reducer pipe (2), the feed pipe (3) is installed at reducer pipe (2) end, and feed pipe (3) end connection is in cover (5) top.

2. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: supporting leg (7) are installed to mummification section of thick bamboo (6) bottom, and supporting leg (7) bottom is connected in base (8) top, supporting leg (7) are equipped with four altogether, and four supporting leg (7) are circularized array equidistance and are located mummification section of thick bamboo (6) bottom.

3. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: one side that base (8) top deviates from a mummification section of thick bamboo (6) installs sludge box (11), connecting pipe (16) are installed to sludge box (11) bottom, and connecting pipe (16) end-to-end connection in a promotion section of thick bamboo (12) surface.

4. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: promote a section of thick bamboo (12) inside and be close to bottom position and install filter screen (19), promote a section of thick bamboo (12) surface and be located filter screen (19) below position department and install drain pipe (15).

5. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: the bottom end of the lifting cylinder (12) is provided with a rotating motor (10), and the output end of the rotating motor (10) is connected with the tail end of a rotating shaft (17).

6. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: cover (4) are installed to cover (5) top intermediate position department, exhaust pipe (13) are installed to one side that cover (5) top deviates from inlet pipe (3), cover (5) top is close to rear surface position department and installs air heater (20), air heater (20) output and hollow (mixing) shaft (22) top are passed through rotary joint (25) and are connected.

7. The domestic sewage sludge drying treatment apparatus of claim 1, wherein: the utility model discloses a hollow mixing shaft (22) is characterized in that cavity (22) surface is close to top position department and has cup jointed bevel gear B (27), agitator motor (21) is installed near front surface position department on cover (5) top, bevel gear A (26) are installed to agitator motor (21) output, and bevel gear A (26) and bevel gear B (27) mesh mutually.