CN215049636U

CN215049636U - Circulating sludge drying treatment equipment

Info

Publication number: CN215049636U
Application number: CN202121523914.8U
Authority: CN
Inventors: 张卫涛
Original assignee: Jiangsu Yicheng Drying Engineering Co Ltd
Current assignee: Jiangsu Yicheng Drying Engineering Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-07
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a circulating sludge drying treatment device, which comprises an outer shell, wherein an inner shell is arranged in the outer shell, an interlayer is arranged between the outer shell and the inner shell, a round pipe is arranged in the inner shell, a stirring rotary sheet is arranged on the round pipe, a shifting sheet corresponding to the stirring rotary sheet is arranged on the inner wall of the inner shell, and a feeding pipe communicated with the inner cavity of the inner shell is connected on the outer shell; one side of the shell is connected with a driving pipe connected with a power input end of the round pipe, the driving pipe is connected with a driving mechanism used for driving the round pipe to rotate, and one end, far away from the round pipe, of the driving pipe is connected with a steam inlet pipe and a condensate outlet through a first rotary joint; the utility model discloses design according to current demand, can carry out recycle to getting into in the pipe and the heat does not absorb partial steam and mud exhaust steam, later heat the inner shell outer wall, the use of steam when reducing the drying reduces the sludge treatment cost.

Description

Circulating sludge drying treatment equipment

Technical Field

The utility model relates to a sludge treatment technical field specifically is a circulating sludge drying treatment facility.

Background

The sludge drying is to dry the water-containing sludge, so as to reduce the sludge treatment cost, and during the treatment, dry sludge and wet sludge are usually mixed and conveyed to a disc type sludge dryer through a feeding screw machine to dry the sludge.

The disc type sludge drying machine disclosed in the prior patent publication No. CN 203683344U can enter the hollow shaft and the hollow layer of the shell when drying, effectively dry sludge, but when the drying machine is used, the steam is not convenient to recycle, and the steam generated when drying sludge is not convenient to treat, so that the improvement is needed.

In order to solve the problems, a circulating sludge drying treatment device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating sludge drying treatment equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a circulating sludge drying treatment device comprises an outer shell, wherein an inner shell is arranged in the outer shell, an interlayer is arranged between the outer shell and the inner shell, a round pipe is arranged in the inner shell, a stirring rotary sheet is arranged on the round pipe, a shifting sheet corresponding to the stirring rotary sheet is arranged on the inner wall of the inner shell, and a feeding pipe communicated with the inner cavity of the inner shell is connected to the outer shell;

one side of the shell is connected with a driving pipe connected with a power input end of the round pipe, the driving pipe is connected with a driving mechanism used for driving the round pipe to rotate, and one end, far away from the round pipe, of the driving pipe is connected with a steam inlet pipe and a condensate outlet through a first rotary joint;

the one end that the driving tube was kept away from to the pipe passes through the second rotary joint and connects the first output tube that sets up in the shell outside, cyclone is connected to first output tube output, the inner shell top intercommunication has the second output tube, cyclone is connected to second output tube output, cyclone is connected with the circulation mechanism that is used for the steam recycle of retrieving in first output tube and the second output tube.

Preferably, the bottom of the outer shell is provided with a discharge port, and the discharge port is communicated with the inner cavity of the inner shell.

Preferably, the driving mechanism comprises a driven gear installed on the driving pipe, the bottom of the driven gear is meshed with a driving gear, and one side, far away from the shell, of the driving gear is connected with driving equipment for driving the driving gear to rotate.

Preferably, the steam inlet pipe is connected with high-temperature steam providing equipment, the condensate outlet is connected with a water collecting tank, the steam inlet pipe and the condensate outlet are communicated with the inner cavity of the driving pipe, the inner cavity of the driving pipe is communicated with the inner cavity of the circular pipe, and the inner cavity of the circular pipe is communicated with the inner cavity of the first output pipe.

Preferably, the inner cavity opening that the pipe is close to drive tube one end is greater than the inner cavity opening that the pipe is close to first output tube one end, the pipe inner wall sets up to being close to the slope of drive tube one end.

Preferably, the circulation mechanism comprises a recovery pipe, the input end of the recovery pipe is connected with the air exhaust end of the cyclone separator, the output end of the recovery pipe is connected with an input pipe arranged at the top of the shell, one end, far away from the recovery pipe, of the input pipe is communicated with the interlayer, an air exhaust port pipe is arranged at the bottom end of the shell, and the air exhaust port is communicated with the interlayer.

Preferably, a material collecting box is arranged at a discharge port at the bottom end of the cyclone separator.

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

the utility model discloses the well pipe is internal to let in high temperature steam, heat the mud in the inner shell, the mud after the drying is convenient for discharge from the bin outlet, the partial steam that gets into in the pipe and the heat is not absorbed can get into cyclone, the steam that produces during the mud drying also can get into cyclone simultaneously, the steam that discharges in the mud contains partial impurity, cyclone can be with impurity and partial water discharge in the steam, later can let in steam through the recovery tube interlayer, heat the inner shell outer wall, the use of steam when reducing the drying, reduce sludge treatment cost;

the utility model discloses the structural design of well pipe, the comdenstion water of being convenient for discharge prevents that the comdenstion water from piling up and influencing the pipe and give mud with the heat conduction.

Drawings

FIG. 1 is a schematic view showing the construction of a circulation type sludge drying treatment apparatus.

FIG. 2 is a schematic view of a partial structure of a circulation type sludge drying treatment apparatus.

FIG. 3 is a schematic view of the inner wall of the housing of the circulating sludge drying treatment apparatus.

In the figure: 11-shell, 12-feeding pipe, 13-discharging port, 14-second rotary joint, 15-first output pipe, 16-cyclone separator, 17-second output pipe, 18-recovery pipe, 19-driving pipe, 20-driven gear, 21-driving gear, 22-driving equipment, 23-first rotary joint, 24-steam inlet pipe, 25-condensed water outlet, 26-circular pipe, 27-interlayer, 31-exhaust port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a circulating sludge drying treatment apparatus includes an outer shell 11, an inner shell is disposed in the outer shell 11, an interlayer 27 is disposed between the outer shell 11 and the inner shell, a circular tube 26 is disposed in the inner shell, a stirring vane is disposed on the circular tube 26, a stirring vane corresponding to the stirring vane is disposed on an inner wall of the inner shell, and a feeding pipe 12 communicated with an inner cavity of the inner shell is connected to the outer shell 11;

one side of the shell 11 is connected with a driving pipe 19 connected with a power input end of the round pipe, the driving pipe 19 is connected with a driving mechanism for driving the round pipe 26 to rotate, and one end, far away from the round pipe 26, of the driving pipe 19 is connected with a steam inlet pipe 24 and a condensate outlet 25 through a first rotary joint 23;

one end of the circular tube 26, which is far away from the driving tube 19, is connected with a first output tube 15 arranged outside the outer shell 11 through a second rotary joint 14, the output end of the first output tube 15 is connected with a cyclone separator 16, the top of the inner shell is communicated with a second output tube 17, the output end of the second output tube 17 is connected with the cyclone separator 16, and the cyclone separator 16 is connected with a circulating mechanism for recycling steam recycled in the first output tube 15 and the second output tube 17.

The bottom of the outer shell 11 is provided with a discharge outlet 13, and the discharge outlet 13 is communicated with an inner cavity of the inner shell.

The driving mechanism comprises a driven gear 20 arranged on a driving pipe 19, the bottom of the driven gear 20 is engaged with a driving gear 21, and one side, far away from the shell 11, of the driving gear 21 is connected with a driving device 22 for driving the driving gear 21 to rotate; the driving device 22 drives the driving gear 21 to rotate, so that the driven gear 20 engaged with the driving gear drives the driving pipe 19 to rotate, and the circular pipe 26 rotates to stir, convey and dry the sludge.

The steam inlet pipe 24 is connected with high-temperature steam supply equipment, the condensate outlet 25 is connected with a water collecting tank, the steam inlet pipe 24 and the condensate outlet 25 are both communicated with the inner cavity of the driving pipe 19, the inner cavity of the driving pipe 19 is communicated with the inner cavity of the circular pipe 26, and the inner cavity of the circular pipe 26 is communicated with the inner cavity of the first output pipe 15; high-temperature steam can get into pipe 26 through steam admission pipe 24, and the heat of high-temperature steam passes through pipe 26 and transmits the mud in the inner shell for sludge heating, increases sludge drying rate, and steam does not contact with mud simultaneously, can not make mud produce extra moisture.

The inner chamber opening that the pipe 26 is close to 19 one ends of driving tube is greater than the inner chamber opening that the pipe 26 is close to 15 one ends of first output tube, 26 inner walls of pipe set up to being close to 19 one end slopes of driving tube, and the design of 26 inner chamber structures of pipe is convenient for discharge comdenstion water, prevents that the comdenstion water from piling up and influencing pipe 26 and give mud with heat conduction.

The circulating mechanism comprises a recovery pipe 18, the input end of the recovery pipe 18 is connected with the exhaust end of the cyclone separator 16, the output end of the recovery pipe 18 is connected with an input pipe arranged at the top of the shell 11, one end of the input pipe, far away from the recovery pipe 18, is communicated with the interlayer 27, the bottom end of the shell 11 is provided with an exhaust port 31, and the exhaust port 31 is communicated with the interlayer 27; get into in the pipe 26 and the heat not absorbed part steam can get into cyclone 16, the steam that produces during the mud drying also can get into cyclone 16 simultaneously, the steam of discharging contains partial impurity in the mud, cyclone 16 can be with impurity and part of water discharge in the steam, later can pass into interlayer 27 with steam through recovery tube 18, heat the inner shell outer wall, the use of steam during the reduction drying, reduce the sludge treatment cost, the steam heat that gets into in interlayer 27 is absorbed the back, partial comdenstion water and gas can be discharged from gas vent 31.

And a material collecting box is arranged at a discharge hole at the bottom end of the cyclone separator 16 and used for recovering impurities discharged from the cyclone separator 16.

The utility model discloses a theory of operation is: when the circulating sludge drying treatment equipment is used, dry sludge and wet sludge are mixed and are conveyed to the feeding pipe 12 through the discharging screw machine, the driving mechanism works to enable the round pipe 26 to rotate, high-temperature steam can be introduced into the round pipe 26, the sludge in the inner shell is heated, the dried sludge is convenient to discharge from the discharge port 13, partial steam which enters the round pipe 26 and is not absorbed by heat can enter the cyclone separator 16, meanwhile, steam generated during sludge drying can also enter the cyclone separator 16, the cyclone separator 16 can discharge impurities and partial water in the steam, then the hot gas can be introduced into the interlayer 27 through the recovery pipe 18, the outer wall of the inner shell is heated, and after the hot gas heat entering the interlayer 27 is absorbed, partial condensed water and the gas can be discharged from the exhaust port 31.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. A circulating sludge drying treatment device comprises an outer shell (11), wherein an inner shell is arranged in the outer shell (11), an interlayer (27) is arranged between the outer shell (11) and the inner shell, a round pipe (26) is arranged in the inner shell, a stirring rotary sheet is arranged on the round pipe (26), a stirring sheet corresponding to the stirring rotary sheet is arranged on the inner wall of the inner shell, and a feeding pipe (12) communicated with the inner cavity of the inner shell is connected to the outer shell (11);

the method is characterized in that: one side of the shell (11) is connected with a driving pipe (19) connected with a power input end of the round pipe, the driving pipe (19) is connected with a driving mechanism used for driving the round pipe (26) to rotate, and one end, far away from the round pipe (26), of the driving pipe (19) is connected with a steam inlet pipe (24) and a condensed water outlet (25) through a first rotary joint (23);

one end of the circular tube (26) far away from the driving tube (19) is connected with a first output tube (15) arranged outside the outer shell (11) through a second rotary joint (14), the output end of the first output tube (15) is connected with a cyclone separator (16), the top of the inner shell is communicated with a second output tube (17), the output end of the second output tube (17) is connected with the cyclone separator (16), and the cyclone separator (16) is connected with a circulating mechanism for recycling steam recovered in the first output tube (15) and the second output tube (17).

2. The circulating sludge drying treatment equipment according to claim 1, characterized in that: the bottom of the outer shell (11) is provided with a discharge outlet (13), and the discharge outlet (13) is communicated with the inner cavity of the inner shell.

3. The circulating sludge drying treatment equipment according to claim 1, characterized in that: the driving mechanism comprises a driven gear (20) installed on a driving pipe (19), the bottom of the driven gear (20) is meshed with a driving gear (21), and one side, far away from the shell (11), of the driving gear (21) is connected with driving equipment (22) for driving the driving gear (21) to rotate.

4. The circulating sludge drying treatment equipment according to claim 1, characterized in that: steam admission pipe (24) are connected with high-temperature steam and provide equipment, comdenstion water export (25) are connected with the header tank, steam admission pipe (24) all communicate with drive tube (19) inner chamber with comdenstion water export (25), drive tube (19) inner chamber and pipe (26) inner chamber intercommunication, pipe (26) inner chamber and first output tube (15) inner chamber intercommunication.

5. The circulating sludge drying treatment equipment according to claim 1, characterized in that: the inner chamber opening that pipe (26) are close to driving tube (19) one end is greater than the inner chamber opening that pipe (26) are close to first output tube (15) one end, pipe (26) inner wall sets up to being close to driving tube (19) one end slope.

6. The circulating sludge drying treatment equipment according to claim 1, characterized in that: circulation mechanism includes recovery tube (18), cyclone (16) end of airing exhaust is connected to recovery tube (18) input, the input tube of setting at shell (11) top is connected to recovery tube (18) output, the one end and interlayer (27) intercommunication that recovery tube (18) were kept away from to the input tube, shell (11) bottom is equipped with gas vent (31), gas vent (31) and interlayer (27) intercommunication.

7. The circulating sludge drying treatment equipment according to claim 1, characterized in that: a material collecting box is arranged at a discharge hole at the bottom end of the cyclone separator (16).