CN214244169U

CN214244169U - Sludge preheating and drying device

Info

Publication number: CN214244169U
Application number: CN202023163651.2U
Authority: CN
Inventors: 高欣; 石飞; 吴微; 陈孝正
Original assignee: Nanjing Guoneng Enviro Protection Project Co ltd
Current assignee: Nanjing Guoneng Enviro Protection Project Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-21
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a mud preheats drying device, comprising a base plate, the last fixed surface of bottom plate is connected with the shell, the left fixed surface of shell is connected with a motor, the output fixedly connected with rotation axis of a motor, the outer fixed surface of rotation axis is connected with helical blade, the upper surface of shell is provided with the air exit, the inside threaded connection of air exit has the absorption cotton, the right fixed surface of air exit is connected with the air-supply line. The utility model discloses, through the relative arrangement of the position of feed inlet and air inlet, it is the biggest with the compost temperature difference all the time to realize the hot gas flow to reach better drying effect, through the conveyer belt design, realize the automatic descending of dust that is kicked up after the drying, thereby it is big to have avoided the discharge gate dust, through waste heat air guiding device's design, can blow the air current that has the waste heat to the pipeline all around, avoids the environment to the influence of pipeline, has reduced the heat loss.

Description

Sludge preheating and drying device

Technical Field

The utility model relates to a comprehensive utilization of resources technical field especially relates to a mud preheats drying device.

Background

Preheating and drying sludge before drying by a sludge drier; drying sludge generated in wastewater treatment (particularly, the treatment of large amount of sludge generated in domestic wastewater is extremely difficult) refers to a process for removing water in some way and retaining solid content. Generally refers to a process of introducing hot air to evaporate and carry away water in the material. According to three heat transmission modes of heat conduction, heat convection and heat radiation, the drying also has three corresponding modes: drying drum type drying, hot air type drying and far infrared drying.

At present, for example, sludge containing organic matters can be subjected to microbial composting fermentation to remove the organic matters, and a heating and drying device is required to be adopted in post-treatment; the utility model discloses a through the relative arrangement of the position of feed inlet and air inlet, realize more effective hot gas flow that utilizes to reach better drying effect, and reduced the energy consumption. The existing heating and drying device is influenced by the environment temperature, when the environment temperature is lower, the drying effect is poor, and the device can utilize the waste heat through the design of the waste heat guiding device of the sludge drying machine of the subsequent process, thereby reducing the heat loss and saving the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sludge microorganism fermentation treatment (compost) heating and drying device containing organic matters.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sludge preheating and drying device comprises a bottom plate, wherein an outer shell is fixedly connected to the upper surface of the bottom plate, a first motor is fixedly connected to the left surface of the outer shell, a rotating shaft is fixedly connected to the output end of the first motor, helical blades are fixedly connected to the outer surface of the rotating shaft, an air outlet is formed in the upper surface of the outer shell, absorbent cotton is arranged inside the air outlet, an air inlet pipe is fixedly connected to the right surface of the air outlet, a hot air fan is fixedly connected to the upper surface of the air inlet pipe, an inner shell is fixedly connected to the left surface of the air inlet pipe, a funnel is fixedly connected to the upper surface of the inner shell, and a filter screen is arranged on the inner surface of the inner shell;

the upper surface of bottom plate just is located the right side fixedly connected with support of shell, the left surface fixedly connected with of support has No. two motors, the output fixedly connected with initiative area roller of No. two motors, the inside swing joint of support has the driven roller of taking.

As a further description of the above technical solution:

the outer surface of the spiral blade is connected with the inner surface of the inner shell in a sliding mode, and one end, far away from the first motor, of the rotating shaft is movably connected with the left surface of the air inlet pipe.

As a further description of the above technical solution:

the outer surface and the shell fixed connection of funnel, be provided with the exhaust airway between shell and the inner shell.

As a further description of the above technical solution:

the upper surface of bottom plate just is located both sides fixedly connected with supporting leg around the shell, the one end and the shell fixed connection of bottom plate are kept away from to the supporting leg.

As a further description of the above technical solution: the right side fixed surface of air-supply line is connected with square pipe, the internal surface of air exit just is located the below fixedly connected with fan that adsorbs the cotton.

As a further description of the above technical solution:

the left surface of the air inlet pipe is provided with an opening, and the opening is communicated with the inside of the inner shell.

As a further description of the above technical solution:

the driven belt roller is movably connected with the driving belt roller through a transmission belt.

As a further description of the above technical solution:

and a belt roller is arranged between the driving belt roller and the driven belt roller, and the height of the conveying belt is consistent with the lower inner wall of the inner shell.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the sludge preheating and drying device has the advantages that the hot air flow and the compost are always in the maximum temperature difference by the relative arrangement of the feeding port and the air inlet, so that a better drying effect is achieved, and the energy consumption is reduced.

2. Compared with the prior art, this mud preheats drying device through confined inner shell design, can avoid the in-process that the compost weathers to raise the dust, through longer conveyer belt design, can make the great dust of part realize subsiding, effectively reduces the volume of the ash that raises in the exit.

3. Compared with the prior art, the sludge preheating and drying device has the advantages that through the design of the exhaust duct, the air flow with the waste heat can be blown to the periphery of the pipeline, the influence of the environment temperature on the pipeline is avoided, the heat loss is reduced, and the cost is saved. The application is particularly used for heating and drying the sludge microbial fermentation treatment (compost) containing organic matters.

Drawings

FIG. 1 is a front view of a sludge preheating and drying apparatus provided by the present invention;

FIG. 2 is a left side view of the sludge preheating and drying apparatus provided by the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is the utility model provides a sludge preheating and drying device's overall structure schematic diagram.

Illustration of the drawings:

1. a base plate; 2. a filter screen; 3. a first motor; 4. a rotating shaft; 5. a helical blade; 6. supporting legs; 7. a funnel; 8. an exhaust duct; 9. an inner shell; 10. a conveyor belt; 11. adsorbing cotton; 12. an air inlet pipe; 13. a square tube; 14. a housing; 15. a second motor; 16. a driving belt roller; 17. a driven belt roller.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of sludge preheating and drying device: comprises a bottom plate 1, an outer shell 14 is fixedly connected to the upper surface of the bottom plate 1, supporting legs 6 are fixedly connected to the upper surface of the bottom plate 1 and positioned on the front side and the rear side of the outer shell 14, one ends, far away from the bottom plate 1, of the supporting legs 6 are fixedly connected with the outer shell 14 to support the outer shell 14, a first motor 3 is fixedly connected to the left surface of the outer shell 14 to drive a rotating shaft 4 to rotate, a rotating shaft 4 is fixedly connected to the output end of the first motor 3, helical blades 5 are fixedly connected to the outer surface of the rotating shaft 4 to convey and turn compost falling from a funnel 7, the outer surface of the helical blades 5 is slidably connected with the inner surface of an inner shell 9, an air outlet is formed in the upper surface of the outer shell 14, the outer surface of the funnel 7 is fixedly connected with the outer shell 14, an air outlet 8 is formed between the outer shell 14 and the inner shell 9, the air outlet 8 utilizes waste heat of waste gas to insulate the pipeline, and adsorption cotton 11 is arranged in the air outlet, the exhaust waste gas is deodorized, the inner surface of an air outlet is fixedly connected with a fan below an adsorption cotton 11, the air in an air exhaust duct 8 is sucked, the right surface of the air outlet is fixedly connected with an air inlet pipe 12, the upper surface of the air inlet pipe 12 is fixedly connected with an air heater, the heat source of the air heater can use the waste gas heat of a sludge drying machine, the left surface of the air inlet pipe 12 is provided with an opening which is communicated with the inside of an inner shell 9, the right surface of the air inlet pipe 12 is fixedly connected with a square pipe 13, one end of a rotating shaft 4, far away from a motor 3, is movably connected with the left surface of the air inlet pipe 12, the left surface of the air inlet pipe 12 is fixedly connected with an inner shell 9, the upper surface of the inner shell 9 is fixedly connected with a funnel 7, the inner surface of the inner shell 9 is provided with a filter screen 2, and blown dust is filtered.

The upper surface of bottom plate 1 just is located the right side fixedly connected with support of shell 14, and the left surface fixedly connected with of support has No. two motors 15, and No. two motors 15's output fixedly connected with initiative takes roller 16, and the inside swing joint of support has driven roller 17 of taking, is provided with between initiative roller 16 of taking and the driven roller 17 of taking and takes the roller, and the height of conveyer belt 10 is unanimous with the lower inner wall of inner shell 9 for the compost after the conveying drying.

The working principle is as follows: drop into the inner shell 9 after adding the compost from funnel 7, drive helical blade 5 through a motor 3 and stir and convey, blow in the inner shell 9 through the hot-blast air-supply line 12 in with the air heater simultaneously, the compost in the stirring is dried, hot-blast through filter screen 2 gets into exhaust airway 8, exhaust airway 8 keeps warm to inner shell 9, the air exhauster pumps at the air outlet simultaneously, the hot-blast atmosphere that gets into after being deodorized through adsorbing cotton 11, the compost after the stoving completion falls into conveyer belt 10, convey to the export.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mud preheats drying device, includes bottom plate (1), its characterized in that: the air conditioner is characterized in that an outer shell (14) is fixedly connected to the upper surface of the base plate (1), a first motor (3) is fixedly connected to the left surface of the outer shell (14), a rotating shaft (4) is fixedly connected to the output end of the first motor (3), a spiral blade (5) is fixedly connected to the outer surface of the rotating shaft (4), an air outlet is formed in the upper surface of the outer shell (14), absorbent cotton (11) is arranged inside the air outlet, an air inlet pipe (12) is fixedly connected to the right surface of the air outlet, an air heater is fixedly connected to the upper surface of the air inlet pipe (12), an inner shell (9) is fixedly connected to the left surface of the air inlet pipe (12), a funnel (7) is fixedly connected to the upper surface of the inner shell (9), and a filter screen (2) is arranged on the inner surface of the inner shell (9);

the upper surface of bottom plate (1) just is located the right side fixedly connected with support of shell (14), the left surface fixedly connected with of support has No. two motor (15), the output fixedly connected with initiative area roller (16) of No. two motor (15), the inside swing joint of support has driven area roller (17).

2. The sludge preheating and drying device according to claim 1, characterized in that: the outer surface of the spiral blade (5) is in sliding connection with the inner surface of the inner shell (9), and one end, far away from the first motor (3), of the rotating shaft (4) is movably connected with the left surface of the air inlet pipe (12).

3. The sludge preheating and drying device according to claim 1, characterized in that: the outer surface and outer shell (14) fixed connection of funnel (7), be provided with exhaust airway (8) between outer shell (14) and inner shell (9).

4. The sludge preheating and drying device according to claim 1, characterized in that: the upper surface of bottom plate (1) just is located both sides fixedly connected with supporting leg (6) around shell (14), the one end and shell (14) fixed connection of bottom plate (1) are kept away from in supporting leg (6).

5. The sludge preheating and drying device according to claim 1, characterized in that: the right side fixed surface of air-supply line (12) is connected with square pipe (13), the internal surface of air exit just is located the below fixedly connected with fan that adsorbs cotton (11).

6. The sludge preheating and drying device according to claim 1, characterized in that: the left surface of the air inlet pipe (12) is provided with an opening which is communicated with the inside of the inner shell (9).

7. The sludge preheating and drying device according to claim 1, characterized in that: the driven belt roller (17) is movably connected with the driving belt roller (16) through the transmission belt (10).

8. The sludge preheating and drying device according to claim 7, characterized in that: a belt roller is arranged between the driving belt roller (16) and the driven belt roller (17), and the height of the conveyor belt (10) is consistent with the lower inner wall of the inner shell (9).