CN217600577U

CN217600577U - Sludge treatment device capable of rapidly drying sludge

Info

Publication number: CN217600577U
Application number: CN202122818509.5U
Authority: CN
Inventors: 张俊蛟; 郭珂秀; 曹冬辉; 闵虹菲; 赵路; 薛晓冬; 黄伟; 宋恩来
Original assignee: Zhengzhou Public Environmental Technology Co ltd
Current assignee: Zhengzhou Public Environmental Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-10-18
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a sludge treatment device capable of quickly drying sludge, which comprises a screw conveyer, wherein the top of the screw conveyer is provided with a feed inlet, the bottom of the screw conveyer is provided with a secondary filter screen, and the bottom end of the screw conveyer is provided with a discharge pipe; a water storage tank is arranged below the screw conveyor, a three-stage filter screen is arranged in the water storage tank, and a water outlet is formed in the bottom of the water storage tank; a drying tank is also arranged below the screw conveyor, a sludge inlet is formed in the lower portion of the side wall of the drying tank, a sludge discharge port is formed in the upper portion of the side wall of the drying tank, an exhaust port is formed in the top of the drying tank, and a stirring pipe frame is arranged in the drying tank; arrange the material pipe and extend to into mud mouth, the bottom of agitator pipe support is connected with the one end of first connecting pipe, and the other end of first connecting pipe extends to the heating cabinet, and the bottom of heating cabinet is equipped with the heater, and the heating fluid in the heating cabinet passes through circulating pump and the top that the second connecting pipe arranged into the agitator pipe support. The utility model discloses can high-efficiently carry out dehydration drying to mud and handle, structural design is simple and practical.

Description

Sludge treatment device capable of rapidly drying sludge

Technical Field

The utility model relates to a sludge treatment technical field, concretely relates to sludge treatment device that can fast drying mud.

Background

The existing sludge disposal routes comprise land utilization, landfill, building material utilization, incineration and the like. The land utilization is not smooth in path due to the fact that heavy metals exceed standards; the landfill is a temporary transitional technical route, which is combined with front-end deep dehydration to form the most application cases at the present stage, but the addition amount of the medicament is large, the sludge increment is obvious, and secondary pollution exists; the building material utilization is that because the water content of the sludge is higher, the doping amount is small, the sludge corrosivity is strong due to the fact that a large amount of agents are added in the front end dehydration, and at present, many collaborative cement projects are stopped; incineration is the most thorough method for solving the sludge problem at present and is the most mainstream technology for international sludge treatment, but the sludge in China has low heat value, high water content and high sediment content, the traditional drying equipment is greatly abraded, and the operation and maintenance are complex, so that the drying cost is high. Sludge treatment is determined by sludge treatment, all front-end sludge treatment unit technologies serve rear-end sludge treatment, dehydration and drying are common key technologies of sludge treatment, and how to realize dehydration and drying of sludge with low energy and high efficiency is a necessary way for joining sludge treatment and treatment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model provides a can quick drying sludge's sludge treatment equipment, concrete scheme is as follows:

the utility model provides a can rapid drying mud's sludge treatment equipment which characterized in that: the device comprises a screw conveyor, wherein a feed inlet is formed in the top of the screw conveyor, a secondary filter screen is arranged at the bottom of the screw conveyor, and a discharge pipe is arranged at the tail end of the bottom of the screw conveyor; a water storage tank is arranged below the screw conveyor and corresponds to the second-stage filter screen, a third-stage filter screen is arranged in the water storage tank, a water outlet is formed in the bottom of the water storage tank, and a valve is arranged at the water outlet; a drying tank is further arranged below the spiral conveyor, a sludge inlet is formed in the lower portion of the side wall of the drying tank, a sludge discharge port is formed in the upper portion of the side wall of the drying tank, an exhaust port is formed in the top of the drying tank, a stirring pipe frame is arranged in the drying tank, and the stirring pipe frame is driven to rotate by a stirring motor arranged at the top of the drying tank through a gear structure; the discharge pipe extends to the sludge inlet, the bottom end of the stirring pipe frame is connected with one end of a first connecting pipe through a rotary joint, the other end of the first connecting pipe extends to a heating box for storing heating liquid, a heater is arranged at the bottom of the heating box, the heating liquid in the heating box is discharged into the top end of the stirring pipe frame through a circulating pump and a second connecting pipe, and the second connecting pipe is connected with the top end of the stirring pipe frame through the rotary joint; the gas vent passes through the tube side entry linkage of steam outlet pipe and heat exchanger, be equipped with first draught fan on the steam outlet pipe, the tube side export of heat exchanger is equipped with the pipeline that extends to the pond, and the shell side export of heat exchanger is equipped with the steam pipe that extends to screw conveyer, be equipped with the second draught fan on the steam pipe.

On the basis, the lateral wall of the water storage tank corresponds tertiary filter screen department is equipped with a mud outlet, the mud outlet through the mud pipe with arrange the material union coupling, be equipped with the mud pump on the mud pipe.

On the basis, the stirring pipe support corresponds to the sludge discharge port and is also provided with sludge discharge blades.

On the basis, the outside of water storage tank is equipped with the ring tube, be equipped with a plurality ofly on the ring tube and aim at the water jet of tertiary filter screen is connected to through the drain pipe the pond, be equipped with the water pump on the drain pipe.

Based on the above, be equipped with spiral stirring leaf on the agitator pipe support.

Based on the above, the top of screw conveyer is equipped with a plurality of gas outlets.

Compared with the prior art, the utility model has the substantive characteristics and the progress, specifically speaking, the utility model has the advantages of it is following:

the utility model discloses in, mud gets into screw conveyer, in-process to the end transport through the second grade filter screen filtration, moisture in the mud falls into the water storage tank, mud after preliminary dehydration gets into the drying cabinet, with the heating fluid heat transfer after, moisture in the mud is evaporated and is gone into the heat exchanger from the steam exit tube, with the air heat transfer after get into the pond, the water that gets into the water storage tank is after tertiary filter screen filters, mud stays on tertiary filter screen, finally get into the drying cabinet through mud pump and mud pipe arrange and dewater the drying after the material pipe, mud after the drying is discharged from mud discharge opening, this structural design is simple ingenious, the high-efficient dehydration drying process to mud has been realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a screw conveyor; 2. a feed inlet; 3. a secondary filter screen; 4. a discharge pipe; 6. an air outlet; 9. a water storage tank; 11. a third-stage filter screen; 12. a water discharge port; 13. a drying tank; 14. a stirring pipe frame; 15. a first connecting pipe; 16. a heating box; 17. a heater; 18. a circulation pump; 19. a second connecting pipe; 20. a stirring motor; 21. a gear structure; 22. a sludge discharge port; 23. a spiral stirring blade; 24. a sludge discharge blade; 25. a sludge pump; 26. a sludge discharge pipe; 27. a steam outlet pipe; 28. a heat exchanger; 29. a pool; 30. a hot gas pipe; 31. a water pump; 32. a drain pipe; 33. an annular tube; 34. and a water spraying opening.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in fig. 1, the utility model provides a sludge treatment device capable of rapidly drying sludge, which comprises a screw conveyer 1, wherein the top of the screw conveyer 1 is provided with a feed inlet 2, the bottom of the screw conveyer 1 is provided with a secondary filter screen 3, and the bottom end of the screw conveyer 1 is provided with a discharge pipe 4; a water storage tank 9 is arranged below the screw conveyor 1 corresponding to the secondary filter screen 3, a tertiary filter screen 11 is arranged in the water storage tank 9, a water outlet 12 is arranged at the bottom of the water storage tank 9, and a valve is arranged at the water outlet 12; a drying tank 13 is further arranged below the screw conveyor 1, a sludge inlet is formed in the lower portion of the side wall of the drying tank 13, a sludge discharge port 22 is formed in the upper portion of the side wall of the drying tank 13, an exhaust port is formed in the top of the drying tank 13, a stirring pipe frame 14 is arranged in the drying tank 13, and the stirring pipe frame 14 is driven to rotate by a stirring motor 20 arranged at the top of the drying tank 13 through a gear structure 21; arrange material pipe 4 and extend to advance the mud mouth, the bottom of agitator pipe support 14 is passed through rotary joint and is connected with the one end of first connecting pipe 15, the other end of first connecting pipe 15 extends to the heating cabinet 16 of the storage heating liquid, the bottom of heating cabinet 16 is equipped with heater 17, and the heating liquid in the heating cabinet 16 passes through circulating pump 18 and the top that the second connecting pipe 19 was arranged into agitator pipe support 14, second connecting pipe 19 passes through rotary joint and is connected with the top of agitator pipe support 14.

The gas vent passes through the tube side entry linkage of steam outlet pipe 27 and heat exchanger 28, be equipped with first draught fan on the steam outlet pipe 27, the tube side export of heat exchanger 28 is equipped with the pipeline that extends to pond 29, and the shell side export of heat exchanger 28 is equipped with the steam pipe 30 that extends to screw conveyer 1, be equipped with the second draught fan on the steam pipe 30, this structural design not only can utilize the heat in the steam by high efficiency, realizes the preliminary dehydration drying to mud, but also can collect the water in the steam as follow-up use.

For the convenience with the mud discharge on the tertiary filter screen 11 and carry out drying process to it, correspond at the lateral wall of water storage tank 9 tertiary filter screen 11 department is equipped with the mud outlet, the mud outlet through mud pipe 26 with arrange the material pipe 4 and connect, be equipped with sludge pump 25 on the mud pipe 26.

In order to discharge the sludge dehydrated and dried in the drying tank 13, a sludge discharge blade 24 is further arranged on the stirring pipe frame 14 corresponding to the sludge discharge port 22.

In order to prevent the tertiary filter screen 11 from being completely blocked, and water in sludge cannot fall from the tertiary filter screen 11, so that the sludge needs to be cleaned regularly, an annular pipe 33 is arranged outside the water storage tank 9, a plurality of water spraying ports 34 for the tertiary filter screen 11 are arranged on the annular pipe 33 and connected to the water pool 29 through a water discharging pipe 32, and a water pump 31 is arranged on the water discharging pipe 32.

In order to discharge the sludge in the drying tank 13, the stirring pipe frame 14 is provided with a spiral stirring blade 23.

In order to ensure the primary drying effect on the sludge, a plurality of air outlets 6 are arranged at the top of the spiral conveyor 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a sludge treatment device that can rapid draing mud which characterized in that: the device comprises a screw conveyor (1), wherein a feed inlet (2) is formed in the top of the screw conveyor (1), a secondary filter screen (3) is arranged at the bottom of the screw conveyor, and a discharge pipe (4) is arranged at the tail end of the bottom of the screw conveyor; a water storage tank (9) is arranged below the screw conveyor (1) corresponding to the secondary filter screen (3), a tertiary filter screen (11) is arranged in the water storage tank (9), a water outlet (12) is arranged at the bottom of the water storage tank (9), and a valve is arranged at the water outlet (12); a drying tank (13) is further arranged below the screw conveyor (1), a sludge inlet is formed in the lower portion of the side wall of the drying tank (13), a sludge discharge port (22) is formed in the upper portion of the side wall of the drying tank (13), an exhaust port is formed in the top of the drying tank (13), a stirring pipe frame (14) is arranged in the drying tank (13), and the stirring pipe frame (14) is driven to rotate by a stirring motor (20) arranged at the top of the drying tank (13) through a gear structure (21); the discharging pipe (4) extends to the sludge inlet, the bottom end of the stirring pipe frame (14) is connected with one end of a first connecting pipe (15) through a rotary joint, the other end of the first connecting pipe (15) extends to a heating box (16) for storing heating liquid, a heater (17) is arranged at the bottom of the heating box (16), the heating liquid in the heating box (16) is discharged into the top end of the stirring pipe frame (14) through a circulating pump (18) and a second connecting pipe (19), and the second connecting pipe (19) is connected with the top end of the stirring pipe frame (14) through the rotary joint; the gas vent passes through the tube side entry linkage of steam exit tube (27) and heat exchanger (28), be equipped with first draught fan on steam exit tube (27), the tube side export of heat exchanger (28) is equipped with the pipeline that extends to pond (29), and the shell side export of heat exchanger (28) is equipped with the steam pipe that extends to screw conveyer (1), be equipped with the second draught fan on the steam pipe.

2. The sludge treatment device capable of rapidly drying sludge according to claim 1, wherein: the lateral wall of water storage tank (9) corresponds tertiary filter screen (11) department is equipped with the mud outlet, the mud outlet through mud pipe (26) with arrange material pipe (4) and connect, be equipped with sludge pump (25) on mud pipe (26).

3. The sludge treatment device capable of rapidly drying sludge according to claim 1, wherein: a sludge discharge blade (24) is arranged on the stirring pipe frame (14) corresponding to the sludge discharge port (22).

4. The sludge treatment device capable of rapidly drying sludge according to claim 1, wherein: the outside of water storage tank (9) is equipped with ring pipe (33), be equipped with a plurality ofly on ring pipe (33) to water jet (34) of tertiary filter screen (11) are connected to through drain pipe (32) pond (29), be equipped with water pump (31) on drain pipe (32).

5. The sludge treatment device capable of rapidly drying sludge according to claim 1, wherein: and a spiral stirring blade (23) is arranged on the stirring pipe frame (14).

6. The sludge treatment device capable of rapidly drying sludge according to claim 1, wherein: the top of the spiral conveyor (1) is provided with a plurality of air outlets (6).