CN218146309U

CN218146309U - Sludge drying machine

Info

Publication number: CN218146309U
Application number: CN202221588310.6U
Authority: CN
Inventors: 樊绿松; 谢金水; 王天武; 陆庆华; 朱月明
Original assignee: Jinrunyuan Environment Technology Kunshan Co ltd
Current assignee: Jinrunyuan Environment Technology Kunshan Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-12-27
Anticipated expiration: 2032-06-23

Abstract

The application discloses sludge drying machine relates to the sludge treatment field, improves the lower problem of present sludge drying machine's heat utilization efficiency. The bottom plate, the top of bottom plate is equipped with the drying cylinder, the equal fixedly connected with bracing piece in bottom four corners of drying cylinder, each group the bracing piece all with bottom plate fixed connection, this application passes through the pump, the setting of first spiral copper pipe and second spiral copper pipe, make the pump can extract the inside water of water tank to the inside of first spiral copper pipe when starting work, can carry out the heat transfer through conveyer pipe and the inside dry silt of being transported of first spiral copper pipe and conveyer pipe when rivers pass through the outside of conveyer pipe, thereby realize the inside mobile water heating of first spiral copper pipe, then the outside of sludge pipe is flowed through in the water conservancy diversion of second spiral copper pipe, thereby carry out the heat transfer through the inside silt of treating of second spiral copper pipe and sludge pipe and the inside transport of sludge pipe, thereby effectively improve the heat utilization ratio in the dry silt.

Description

Sludge drying machine

Technical Field

The application relates to the field of sludge treatment, in particular to a sludge drying machine.

Background

The sludge drier enables the sludge to rapidly rush through a 'sticky phase region' in the drying process at the fastest speed. Meanwhile, the ingenious structure enables the sludge to reach a bidirectional shearing state in the drying process. The dried sludge is quantitatively and continuously fed into a feeding port of a dryer by a screw feeder, and after the sludge enters the dryer body, the sludge is turned and stirred by the rotation of the paddle, the heating interface is continuously updated, and the sludge is contacted with the dryer body and the paddle and is fully heated, so that the surface moisture contained in the sludge is evaporated.

The current sludge drying machine directly discharges the dried sludge after the completion of sludge drying, and the dried sludge often contains a large amount of heat, so that a large amount of heat is wasted after the sludge is directly discharged, and the heat utilization rate is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of present sludge drying machine's heat utilization efficiency, this application provides a sludge drying machine.

The application provides a sludge drying machine adopts following technical scheme:

a sludge dryer comprises a bottom plate, a drying cylinder is arranged above the bottom plate, four corners of the bottom of the drying cylinder are fixedly connected with supporting rods, each group of the supporting rods are fixedly connected with the bottom plate, the inner parts of the peripheral side walls of the drying cylinder are uniformly and fixedly connected with electric heating tubes, the drying cylinder is internally and symmetrically and rotatably connected with rotating shafts driven by a motor, the outer sides of the two groups of rotating shafts are uniformly and fixedly connected with staggered feeding blades, the top of the drying cylinder is detachably connected with a top cover, one side of the top cover is fixedly connected with a sludge pipe communicated with the top of the drying cylinder, one end of the sludge pipe far away from the top cover is fixedly connected with a sludge pump which is fixedly connected with the bottom plate, one side of the bottom of the drying cylinder is fixedly connected with a connecting pipe which is communicated with the drying cylinder, one end of the connecting pipe far away from the drying cylinder is fixedly connected with a conveying pipe which is communicated with the drying cylinder, the conveying pipe is fixedly connected with the supporting rod, the interior of the conveying pipe is rotatably connected with a spiral conveying blade driven by a motor, one side of the bottom of the conveying pipe is fixedly connected with a discharge pipe communicated with the conveying pipe, the discharge pipe penetrates through the bottom plate, a first spiral copper pipe is sleeved on the outer side of the conveying pipe and fixedly connected with the conveying pipe, the top of the bottom plate is fixedly connected with a water tank, one end of the first spiral copper pipe extends to the inside of the water tank, one side wall of the drying cylinder is fixedly connected with a pump, the other end of the first spiral copper pipe is fixedly connected with the input end of the pump, the output end of the pump is fixedly connected with a second spiral copper pipe which is sleeved outside the sludge pipe, the second spiral copper pipe is fixedly connected with the sludge pipe, and one end, far away from the pump, of the second spiral copper pipe extends to the top of the water tank.

Through adopting above-mentioned technical scheme, the pump can extract the inside water of water tank to the inside of first spiral copper pipe when starting work, can carry out the heat transfer through conveyer pipe and first spiral copper pipe and the inside dry silt of being transported of conveyer pipe when rivers pass through the outside of conveyer pipe, thereby realize the water heating to the inside flow of first spiral copper pipe, then the outside of mud pipe is flowed through to the water conservancy diversion through second spiral copper pipe, thereby carry out the heat transfer through the inside dry silt of treating of second spiral copper pipe and mud pipe and the inside transport of mud pipe, thereby realize treating preheating of dry silt, thereby effectively improve the heat utilization ratio in the dry back silt.

Optionally, fins are uniformly and fixedly connected to the outer sides of the sludge pipe and the conveying pipe, and the second spiral copper pipe and the first spiral copper pipe penetrate through the fins.

Through adopting above-mentioned technical scheme, the setting of fin is used for increasing the surface area of sludge pipe and conveyer pipe to improve heat exchange efficiency.

Optionally, an isolation pipe is fixedly connected to the outer side of the sludge pipe, and the second spiral copper pipe is sleeved inside the isolation pipe.

Through adopting above-mentioned technical scheme, the setting of insulating tube is used for carrying out isolation protection to second spiral copper pipe, reduces thermal scattering and disappearing.

Optionally, a transparent acrylic plate is fixedly connected to one side wall of the water tank.

Through adopting above-mentioned technical scheme, the setting of transparent acrylic plate is convenient for observe the inside water level height of water tank.

Optionally, the top cover and the drying cylinder are fixedly connected through bolts.

Through adopting above-mentioned technical scheme, be connected the top cap through the bolt with drying cylinder fixed, can be convenient for follow-up carry out the dismouting to the top cap, and then be convenient for to the inside clearance maintenance that carries on of drying cylinder.

Optionally, an air pipe is fixedly connected to the inside of the top cover, and the air pipe penetrates through the top cover.

Through adopting above-mentioned technical scheme, tracheal setting is used for supplying the waste gas discharge that produces when dry.

Optionally, a corresponding collecting box is arranged below the discharge pipe.

Through adopting above-mentioned technical scheme, the setting of collecting box is used for collecting the mud after arranging the drying of material pipe discharge.

Optionally, four corners of the bottom of the collecting box are rotatably connected with universal wheels.

Through adopting above-mentioned technical scheme, the setting of universal wheel is convenient for remove the collecting box to be convenient for transport the silt after the drying.

To sum up, the beneficial effects of this application are as follows:

this application passes through the pump, first spiral copper pipe and second spiral copper pipe's setting, make the pump can extract the inside water of water tank to first spiral copper pipe's inside when starting work, can carry out the heat transfer through conveyer pipe and first spiral copper pipe and the inside dry silt of being transported by of conveyer pipe when rivers pass through the outside of conveyer pipe, thereby realize the hydrothermal that flows to first spiral copper pipe inside, then the outside of mud pipe is flowed through to the water conservancy diversion through second spiral copper pipe, thereby through the inside transport of second spiral copper pipe and mud pipe treat dry silt and carry out the heat transfer, thereby realize treating the preheating of dry silt, thereby effectively improve the heat utilization in the dry back silt.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present application;

fig. 2 is a top cross-sectional view of the isolation tube structure of the present application.

Description of the reference numerals: 1. a base plate; 2. a drying cylinder; 3. a support bar; 4. a rotating shaft; 5. a top cover; 6. an air tube; 7. an electric heating tube; 8. a connecting pipe; 9. a delivery pipe; 10. a first spiral copper tube; 11. a spiral conveying blade; 12. a water tank; 13. a transparent acrylic sheet; 14. a pump; 15. a second spiral copper tube; 16. a sludge pipe; 17. a sludge pump; 18. an isolation pipe; 19. a fin; 20. a discharge pipe; 21. a collection box; 22. a universal wheel; 23. a feeding blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, a sludge drying machine includes a bottom plate 1, a drying cylinder 2 is arranged above the bottom plate 1, four corners of the bottom of the drying cylinder 2 are fixedly connected with support rods 3, each group of the support rods 3 is fixedly connected with the bottom plate 1, and the support rods 3 are arranged to support the drying cylinder 2. The electric heating tubes 7 are uniformly and fixedly connected inside the peripheral side wall of the drying cylinder 2, and the electric heating tubes 7 are used for heating and drying sludge discharged into the drying cylinder 2 during power-on work. The top of drying cylinder 2 can be dismantled and be connected with top cap 5, and top cap 5's setting is used for closing the top lid of drying cylinder 2.

Referring to fig. 1-2, the top cover 5 is fixedly connected with the drying cylinder 2 through bolts, and the top cover 5 is fixedly connected with the drying cylinder 2 through bolts, so that the top cover 5 can be conveniently disassembled and assembled subsequently, and the inside of the drying cylinder 2 can be conveniently cleaned and maintained. The inside fixedly connected with trachea 6 of top cap 5, trachea 6 run through top cap 5, and the waste gas that produces when trachea 6 sets up and is used for supplying the drying is discharged. The sludge pipe 16 that top one side fixedly connected with of top cap 5 is linked together, the one end fixedly connected with sludge pump 17 of top cap 5 is kept away from to sludge pipe 16, and sludge pump 17's setting is used for will treating dry mud and extract to the inside of dryer tube 2 through sludge pipe 16 when start-up work.

Referring to fig. 1, the drying cylinder 2 is connected with motor-driven rotating shafts 4 in a symmetrical and rotating manner, the outer sides of the two groups of rotating shafts 4 are uniformly and fixedly connected with staggered feeding blades 23, and the rotating shafts 4 are arranged to drive the feeding blades 23 to rotate along with the rotating shafts when rotating, so that sludge in the drying cylinder 2 is conveyed and stirred. Sludge pump 17 and 1 fixed connection of bottom plate, connecting pipe 8 that bottom one side fixedly connected with of drying cylinder 2 is linked together, and the conveyer pipe 9 that the one end fixedly connected with of drying cylinder 2 is linked together is kept away from to connecting pipe 8, and the setting of connecting pipe 8 is used for the mud water conservancy diversion to conveyer pipe 9's inside after 2 inside drying of drying cylinder.

Referring to fig. 1, a conveying pipe 9 is fixedly connected with a support rod 3, a screw conveying blade 11 driven by a motor is rotatably connected inside the conveying pipe 9, and the screw conveying blade 11 is arranged for conveying dried sludge inside the conveying pipe 9 along the inside of the conveying pipe 9 during starting operation. The material discharging pipe 20 that is linked together is fixedly connected with in bottom one side of conveyer pipe 9, and material discharging pipe 20 runs through bottom plate 1, and material discharging pipe 20 sets up and is used for the silt water conservancy diversion after the inside drying of conveyer pipe 9 and discharges. A corresponding collecting box 21 is arranged below the discharging pipe 20, and the collecting box 21 is used for collecting the dried sludge discharged by the discharging pipe 20. The bottom four corners of collecting box 21 all rotates and is connected with universal wheel 22, and the setting of universal wheel 22 is convenient for remove collecting box 21 to be convenient for transport the silt after the drying.

Referring to fig. 1, a first spiral copper pipe 10 is sleeved outside a conveying pipe 9, the first spiral copper pipe 10 is fixedly connected with the conveying pipe 9, a water tank 12 is fixedly connected to the top of the bottom plate 1, and water is contained in the water tank 12. A transparent acrylic plate 13 is fixedly connected to one side wall of the water tank 12, and the arrangement of the transparent acrylic plate 13 facilitates observation of the water level inside the water tank 12. One end of first spiral copper pipe 10 extends to the inside of water tank 12, a lateral wall fixedly connected with pump 14 of drying cylinder 2, the other end of first spiral copper pipe 10 and the input fixed connection of pump 14, the setting of pump 14 is used for extracting the water of the inside splendid attire of water tank 12 through first spiral copper pipe 10 when starting the work, make water can carry out the heat transfer through the dry silt after conveyer pipe 9 and the inside transport of conveyer pipe 9 when flowing through first spiral copper pipe 10 is inside, thereby the realization is carried out effective recovery to the heat in the dry silt.

Please refer to fig. 1-2, the output end of the pump 14 is fixedly connected with a second spiral copper pipe 15, the outside of the sludge pipe 16 is located by the second spiral copper pipe 15, the second spiral copper pipe 15 is fixedly connected with the sludge pipe 16, one end of the second spiral copper pipe 15 far away from the pump 14 extends to the top of the water tank 12, the second spiral copper pipe 15 is arranged to guide the water after heat exchange, thereby the heat exchange is carried out on the sludge to be dried through the sludge pipe 16 and the sludge pipe 16, thereby the preheating of the sludge to be dried is realized, and the utilization rate of heat is improved. The fins 19 are uniformly and fixedly connected to the outer sides of the sludge pipe 16 and the conveying pipe 9, the second spiral copper pipe 15 and the first spiral copper pipe 10 penetrate through the fins 19, and the fins 19 are arranged to increase the surface area of the sludge pipe 16 and the surface area of the conveying pipe 9, so that the heat exchange efficiency is improved. Mud pipe 16 outside fixedly connected with keeps apart pipe 18, and the inside of keeping apart pipe 18 is located to second spiral copper pipe 15 cover, and the setting of keeping apart pipe 18 is used for keeping apart the protection to second spiral copper pipe 15, reduces thermal scattering and disappearing.

The application has the implementation principle that:

when the sludge drying device is used, water is injected into the water tank 12, then the sludge pump 17 and the motor driving the rotating shaft 4 and the spiral conveying blade 11 are started, so that sludge to be dried can be extracted into the drying cylinder 2 through the sludge pipe 16 when the sludge pump 17 is started to work, then the electric heating tube 7 is started, so that the electric heating tube 7 can heat sludge discharged into the drying cylinder 2 when the electric heating tube 7 is started to work, and therefore drying of the sludge is achieved, meanwhile, the two groups of rotating shafts 4 rotate, so that sludge inside the drying cylinder 2 is stirred and conveyed, so that dried sludge is conveyed to the connecting pipe 8, then the sludge is conveyed to the discharging pipe 20 through the rotating spiral conveying blade 11 along the conveying pipe 9, finally the sludge falls into the collecting box 21 and is collected, water inside the water tank 12 can be extracted into the first spiral copper pipe 10 when the pump 14 is started to work, when water flows through the conveying pipe 9, the conveying pipe 9 and the conveying pipe 9 can dry sludge to perform heat exchange when water flows through the conveying pipe 9 and the conveying pipe 15, so that the water flowing inside the first spiral copper pipe 10 can be heated, then the water flows through the second spiral conveying pipe 15 to flow through the water, and the drying water flows through the conveying pipe 15, and the heat of the drying pipe, and the heat of the sludge can be effectively transferred into the drying pipe, and the heat of the copper pipe, and the heat of the drying pipe, and the heat of the sludge to be transferred to be further, and the sludge, and the heat of the drying pipe, and the heat of the sludge to be further, and the sludge to be preheated, and the sludge to be further, and the heat of the sludge to be preheated, and further, so that the heat of the sludge can be preheated, and the sludge can be preheated by the sludge to be further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sludge drying machine, includes bottom plate (1), its characterized in that: the improved sludge drying device is characterized in that a drying cylinder (2) is arranged above the bottom plate (1), supporting rods (3) are fixedly connected to four corners of the bottom of the drying cylinder (2), the supporting rods (3) are respectively arranged in groups, the supporting rods (3) are fixedly connected with the bottom plate (1), electric heating tubes (7) are fixedly connected to the inner portions of the peripheral side walls of the drying cylinder (2), a motor-driven rotating shaft (4) and two groups of feeding blades (23) are symmetrically and fixedly connected to the outer side of the rotating shaft (4) in a staggered manner, a top cover (5) is detachably connected to the top of the drying cylinder (2), a sludge pipe (16) communicated with one side of the top cover (5) is fixedly connected with the sludge pump (17), the sludge pump (17) is fixedly connected with the bottom plate (1), a connecting pipe (8) communicated with one side of the bottom of the drying cylinder (2) is fixedly connected with the connecting pipe (8), the connecting pipe (8) is far away from one end of the drying cylinder (2) and fixedly connected with a sludge pump (9) communicated with one side of the conveying pipe (9), the conveying pipe (9) is fixedly connected with the supporting rods (3), one side of the conveying pipe (9) is connected with a screw conveying motor (11) and one side of the conveying pipe (11) is connected with the screw-driven conveying pipe (11), arrange material pipe (20) and run through bottom plate (1), the outside cover of conveyer pipe (9) is equipped with first spiral copper pipe (10), first spiral copper pipe (10) with conveyer pipe (9) fixed connection, the top fixedly connected with water tank (12) of bottom plate (1), the one end of first spiral copper pipe (10) extends to the inside of water tank (12), a lateral wall fixedly connected with pump (14) of drying cylinder (2), the other end of first spiral copper pipe (10) with the input fixed connection of pump (14), the output end fixedly connected with second spiral copper pipe (15) of pump (14), second spiral copper pipe (15) cover is located the outside of sludge pipe (16), second spiral copper pipe (15) with sludge pipe (16) fixed connection, second spiral copper pipe (15) are kept away from the one end of pump (14) extends to the top of water tank (12).

2. The sludge dryer according to claim 1, wherein: fins (19) are uniformly and fixedly connected to the outer sides of the sludge pipe (16) and the conveying pipe (9), and the second spiral copper pipe (15) and the first spiral copper pipe (10) penetrate through the fins (19).

3. The sludge dryer according to claim 2, wherein: an isolation pipe (18) is fixedly connected to the outer side of the sludge pipe (16), and the second spiral copper pipe (15) is sleeved inside the isolation pipe (18).

4. The sludge drying machine according to claim 1, wherein: and a transparent acrylic plate (13) is fixedly connected to one side wall of the water tank (12).

5. The sludge dryer according to claim 1, wherein: the top cover (5) is fixedly connected with the drying cylinder (2) through bolts.

6. The sludge dryer according to claim 5, wherein: the inside fixedly connected with trachea (6) of top cap (5), trachea (6) run through top cap (5).

7. The sludge drying machine according to claim 1, wherein: a corresponding collecting box (21) is arranged below the discharge pipe (20).

8. The sludge drying machine according to claim 7, wherein: four corners of the bottom of the collecting box (21) are rotatably connected with universal wheels (22).