CN210656661U

CN210656661U - Microwave hot air sludge drying equipment

Info

Publication number: CN210656661U
Application number: CN201921251277.6U
Authority: CN
Inventors: 李林冲; 陈艳萍; 段立文; 许建鹏
Original assignee: Guangzhou Sigaote Environmental Protection Equipment Co ltd
Current assignee: Guangzhou Sigaote Environmental Protection Equipment Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-02
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a microwave hot air sludge drying equipment relates to sludge treatment's technical field, and its technical scheme's main points are: the sludge drying device comprises a drying box, wherein a mesh belt used for conveying sludge is arranged in the drying box, a hot air input device is arranged on one side wall of the drying box, a hot air output device is arranged on one side wall of the drying box, which is far away from the hot air input device, and a microwave transmitting plate is arranged in the drying box. The utility model provides a technical problem that drying efficiency is not high in the mud, have the advantage that improves drying efficiency.

Description

Microwave hot air sludge drying equipment

Technical Field

The utility model relates to a technical field of sludge treatment, in particular to microwave hot air sludge drying equipment.

Background

The sludge treatment is the treatment of drying and sterilizing the sludge, thereby reducing the pollution to the environment caused by the discharge of a large amount of sludge in industrial production.

In the prior art, a sludge dehumidification drier is often used for drying sludge.

The application number is 201210179448.5's chinese patent discloses a sludge dehumidification mummification machine, including crowded strip feed arrangement, minimum one deck guipure and heat pump dehumidification drying device, the guipure sets up in the drying cabinet, crowded strip feed arrangement sets up in the one end top of guipure for will treat that the transportation extremely after the crowded strip of dry sludge on the guipure, heat pump dehumidification drying device installs in the auxiliary box of drying cabinet side, and heat pump dehumidification drying device passes through the blast pipe and is connected with the drying cabinet bottom.

The defects of the prior art scheme are as follows: the heat penetrates into the sample from the surface of the sample in the heating process of the heat pump, and a large temperature gradient is generated due to the fact that the surface temperature is higher than the central temperature, the temperature rising speed is limited, and submicron texture and performance unevenness can be caused.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to: provides a microwave hot air sludge drying device which can improve the drying efficiency of sludge.

The technical scheme includes that the microwave hot air sludge drying equipment comprises a drying box, a mesh belt used for conveying sludge is arranged in the drying box, a hot air input device is arranged on one side wall of the drying box, a hot air output device is arranged on one side wall, far away from the hot air input device, of the drying box, and a microwave transmitting plate is arranged in the drying box.

Through the technical scheme, send the microwave to the guipure through the microwave transmitting plate, carry out the drying to mud through the microwave, microwave drying has drying efficiency higher, the even advantage of drying, microwave drying combines with hot air drying to produce better drying effect simultaneously, improve drying efficiency, reduce the drying required time, the setting of guipure can let pass the guipure at hot-blast blowing on mud, can let the circulation of air speed of mud faster, drying effect is better, because during microwave heating, the heat produces from inside, the heat source comes from the inside of object, heat pump and microwave simultaneous heating, can follow inside and outside simultaneous heating, can shorten heat time greatly, high heating efficiency.

Furthermore, the microwave transmitting plate and the hot air input device or the hot air outlet device are positioned on the same side, and the microwave transmitting direction faces the mesh belt.

Through above-mentioned technical scheme, you can increase the speed of circulation of air through hot-blast input device and hot-blast output device to setting up through the microwave direction towards the guipure can let the drying effect of microwave better.

Furthermore, hot-blast air-out device includes that fixed connection keeps away from the play tuber pipe and the gaseous deodorization equipment of intercommunication on a tuber pipe of hot-blast input device one side at the drying cabinet, gaseous deodorization equipment keeps away from a tuber pipe one end and is connected with air exhaust equipment.

Through above-mentioned technical scheme, can let the circulation of gas speed up through air exhaust equipment, reduce the influence of water smoke to the microwave launcher board simultaneously, deodorization equipment can cool off for the drying cabinet, has replaced the use of cooling tower, has reduced the required cost of cooling tower cooling.

Further, the gas deodorization device includes one or a combination of a plurality of biological deodorization devices, ion deodorization devices, optical microwave decomposition devices, and chemical deodorization devices.

Through above-mentioned technical scheme, can select the kind and the quantity of gaseous deodorization equipment according to actual foul smell composition, improve the suitability, optimize foul smell treatment effect.

Further, the air extraction equipment is a negative pressure fan.

Through the technical scheme, the air pressure in the supporting framework is reduced through the negative pressure fan, so that odor in the equipment is pumped out, and the odor is conveniently deodorized.

Furthermore, a connecting piece is arranged between the microwave transmitting plate and the drying box, and the microwave transmitting plate is connected with the drying box in a sliding mode along the length direction of the mesh belt through the connecting piece.

Through above-mentioned technical scheme, can let microwave launcher plate and drying cabinet sliding connection through the connecting piece, and then let microwave launcher plate remove on the net belt, let microwave drying more even.

Further, the connecting piece is including fixing the guide rail on the drying cabinet, and fixedly connected with on the drying cabinet lateral wall is on a parallel with the threaded rod of guide rail, is provided with the fixed plate of sliding connection on the guide rail on the microwave emission board, fixed plate and threaded rod threaded connection, fixedly connected with drive threaded rod rotation drive arrangement on the drying cabinet lateral wall.

Through above-mentioned technical scheme, the microwave emission board slides on the drying cabinet, and the rotation through the threaded rod drives the motion of microwave emission board, convenient operation.

Furthermore, the driving device is a motor with an output end fixedly connected to the threaded rod.

Through above-mentioned technical scheme, motor drive threaded rod rotates convenient operation.

To sum up the utility model discloses following technological effect has:

1. the gas in the equipment is discharged from the gas outlet pipe to the subsequent treatment equipment, so that the condition that the surrounding environment is influenced by the leakage of odor in the equipment is reduced, the air quality is improved, and the environment-friendly effect is improved;

2. the microwave drying and the hot air drying of the microwave reflecting plate are matched for use, so that a more uniform and rapid drying effect is achieved;

3. the gas deodorization equipment through which the odor flows is adjusted according to the type of the odor, so that the waste of energy is reduced, and the applicability is improved.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view showing the structure of a joint member in embodiment 1;

fig. 3 is a schematic structural view of embodiment 2.

Reference numerals: 1. a drying oven; 10. a drying chamber; 11. a condensing chamber; 110. a condenser; 111. an evaporator; 13. a conduit; 14. a fan; 15. a separator plate; 2. a mesh belt; 20. an upper conveyor belt; 21. a lower conveyor belt; 3. a hot air input device; 30. a hot air delivery pipe; 31. a hot air blowing device; 4. a hot air output device; 40. an air outlet pipe; 5. a gas deodorizing device; 50. a biological deodorization device; 51. an ion deodorization device; 52. an optical microwave decomposition device; 53. a chemical deodorizing device; 6. a negative pressure fan; 7. a microwave transmitting plate; 8. a connecting member; 80. a fixing plate; 81. a guide rail; 82. a threaded rod; 83. an electric motor.

Detailed Description

Embodiment 1, referring to fig. 1, a microwave hot air sludge drying apparatus includes a drying oven 1, a mesh belt 2 for conveying sludge is provided in the drying oven 1, the mesh belt 2 includes an upper layer conveyor belt 20 and a lower layer conveyor belt, a hot air input device 3 is provided at the bottom of the lower layer conveyor belt in the drying oven 1, a hot air output device 4 is provided at one side of the drying oven 1 far from the hot air input device 3, the air flow speed on the conveyor belt can be increased by convection of the hot air input device 3 and the hot air output device 4, and the sludge on the mesh belt 2 is dispersed by circulating air.

In order to make the drying effect of the sludge better, a microwave transmitting plate 7 is arranged above the upper-layer conveyor belt 20, microwaves are transmitted by the microwave transmitting plate 7 to dry the sludge on the mesh belt 2, and the transmitting direction of the microwave transmitting plate 7 faces the upper-layer conveyor belt 20.

In order to make the microwave drying more uniform, the microwave transmitting plate 7 is slidably attached to the inner wall of the drying box 1 along the direction of the conveyor belt. A connecting piece 8 used for connecting the microwave transmitting plate 7 and the drying box 1 is arranged between the drying box 1 and the microwave transmitting plate 7.

Referring to fig. 2, the connecting member 8 includes a guide rail 81 fixedly connected to two side walls of the drying box 1, a threaded rod 82 parallel to the guide rail 81, and a driving device for driving the threaded rod 82 to rotate, the driving device may be a manual driving device or an electric driving device, and the driving device is a motor 83 in this embodiment.

The motor 83 is fixed on the inner wall of the drying box 1, the output end of the motor 83 is fixedly connected to the threaded rod 82, and the other end of the threaded rod 82 is rotatably connected to one end, far away from the motor 83, of the drying box 1.

The microwave transmitting plate 7 is fixedly connected with a fixed plate 80 which is connected with a guide rail 81 in a sliding manner, and a threaded rod 82 is in threaded connection with the fixed plate 80. The fixing plate 80 can be driven to move along the guide rail 81 by rotating the threaded rod 82 through the driving device.

The shell of the motor 83 is fixed on the inner wall of the drying box 1, and the output end of the motor 83 is fixed on the threaded rod 82.

The hot air input device 3 comprises a plurality of hot air conveying pipes 30 arranged in parallel below the lower conveying belt 21, the hot air conveying pipes 30 penetrate out of the drying box 1 and are connected with hot air blowing equipment 31, and hot air is blown into the drying box 1 through the hot air blowing equipment 31.

The hot air output device 4 comprises an air outlet pipe 40 connected to one side of the upper transmission belt, which is far away from the hot air input device 3, the air outlet pipe 40 penetrates out of the drying box 1 and is connected with the drying box 1 in a sealing welding mode, the air outlet pipe 40 is communicated with a gas deodorization device 5, the gas deodorization device 5 comprises one or more of a biological deodorization device 50, an ion deodorization device 51, a light microwave decomposition device 52 and a chemical deodorization device 53, and the type and the number of the deodorization devices can be selected according to the impurity components and the gas components of the sludge in actual conditions.

In this embodiment, the gas deodorization device 5 is a biological deodorization device 50, an ion deodorization device 51, a microwave optical decomposition device 52, and a chemical deodorization device 53 connected in series at the end, and the gas inlet end of the biological deodorization device 50 is connected to the gas outlet pipe 40.

The chemical deodorization device 53 is connected with a negative pressure fan 6. The air is sucked from the drying box 1 by the negative pressure fan 6, and the odor is sucked from the drying box 1, and the air is purified by the biological deodorization device 50, the ion deodorization device 51, the optical microwave decomposition device 52 and the chemical deodorization device 53 in this order and then is sucked from the negative pressure fan 6.

The specific implementation process is that sludge is poured into an upper layer conveyor belt 20 in a drying box 1 from a feeding hole, the sludge moves forwards in the movement process of the upper layer conveyor belt 20, at the moment, wind is blown into the conveyor belt by a wind inlet device, the conveyor belt is a mesh belt 2, airflow is blown onto the sludge through the conveyor belt, the sludge is purified through hot wind flowing, the sludge moves to the upper layer conveyor belt 20 on the upper layer conveyor belt 20 and is far away from one end of a feeding hole, the sludge drops on the lower layer conveyor belt, the sludge is conveyed to a discharging hole through the conveying of the lower layer conveyor belt, and the sludge is taken out from the discharging hole.

Mud passes through upper conveyer belt 20 and lower floor's conveyer belt in proper order, and the air current can pass through mud twice, and drying effect is better, and starter motor 83 rotates threaded rod 82, can let fixed plate 80 slide along guide rail 81, conveniently adjusts the position of microwave emission board 7, through microwave reflecting plate to mud transmission microwave, carries out further drying to mud through the microwave.

Embodiment 2, this embodiment is different from embodiment 1 in that: referring to fig. 3, a hot gas circulation device is arranged in the drying box 1, the hot gas circulation device comprises an evaporator 111 and a condenser 110, gas flows through the evaporator 111, is cooled through evaporation and heat absorption, is condensed through the condenser 110, and then conducts condensed water to the outer side of the box body, heat is generated in the drying process of the condenser 110, and in the embodiment, the heat of the condenser 110 is transmitted into the drying box 1, so that heat energy can be saved.

Be provided with division board 15 in the drying cabinet 1, division board 15 falls into drying chamber 10 and condensation chamber 11 with drying cabinet 1, and condenser 110 sets up in condensation chamber 11, and guipure 2 sets up in drying chamber 10, is provided with air intake and air outlet on division board 15, is provided with fan 14 on the air outlet, carries out the air current with the both sides space and interacts, and the intercommunication has the pipe 13 of deriving the comdenstion water on the condenser pipe.

The specific implementation process is that after the sludge is blown into the drying box, the gas is led out of the sludge on the mesh belt through the mesh belt, flows into the condensing chamber through the air inlet, condenses the moisture carried in the gas into water through the evaporator and the condenser, and is discharged out of the drying box, the fan blows the gas into the drying chamber again, the moisture on the sludge is brought into the condensing chamber again, and the drying chamber is recycled, so that the heat loss can be reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a microwave hot air sludge drying equipment, includes drying cabinet (1), is provided with guipure (2) that are used for conveying mud in drying cabinet (1), is provided with hot-blast input device (3) on drying cabinet (1) a lateral wall, and drying cabinet (1) is kept away from and is provided with hot-blast output device (4) on hot-blast input device (3) a lateral wall, its characterized in that: and a microwave transmitting plate (7) is arranged in the drying box (1).

2. The microwave hot air sludge drying apparatus according to claim 1, wherein: the microwave transmitting plate (7) and the hot air input device (3) or the hot air outlet device are positioned on the same side, and the microwave transmitting direction faces the mesh belt (2).

3. The microwave hot air sludge drying apparatus according to claim 1 or 2, wherein: the hot-blast air-out device includes that fixed connection keeps away from air-out pipe and the gaseous deodorization equipment (5) of intercommunication on the play tuber pipe of hot-blast input device (3) one side in drying cabinet (1), gaseous deodorization equipment (5) are kept away from a tuber pipe one end and are connected with air exhaust equipment.

4. The microwave hot air sludge drying apparatus according to claim 3, wherein: the gas deodorization device (5) includes one or a combination of a plurality of biological deodorization devices (50), ion deodorization devices (51), optical microwave decomposition devices (52), and chemical deodorization devices (53).

5. The microwave hot air sludge drying apparatus according to claim 3, wherein: the air extraction equipment is a negative pressure fan (6).

6. The microwave hot air sludge drying apparatus according to claim 2, wherein: and a connecting piece (8) is arranged between the microwave transmitting plate (7) and the drying box (1), and the microwave transmitting plate (7) is connected with the drying box (1) in a sliding manner along the length direction of the mesh belt (2) through the connecting piece (8).

7. The microwave hot air sludge drying apparatus of claim 6, wherein: connecting piece (8) are including fixing guide rail (81) on drying cabinet (1), and fixedly connected with on drying cabinet (1) lateral wall is on a parallel with threaded rod (82) of guide rail (81), is provided with fixed plate (80) of sliding connection on guide rail (81) on microwave emission board (7), fixed plate (80) and threaded rod (82) threaded connection, fixedly connected with drive threaded rod (82) rotation drive arrangement on drying cabinet (1) lateral wall.

8. The microwave hot air sludge drying apparatus of claim 7, wherein: the driving device is a motor (83) with the output end fixedly connected to the threaded rod (82).