CN218951227U - Domestic sewage treatment pond sediment mud recovery desiccator - Google Patents

Abstract

The utility model relates to the technical field of domestic sewage and sludge treatment, in particular to a sedimentation sludge recovery dryer of a domestic sewage treatment tank, which cuts sludge into smaller blocks through an extrusion box and a slitting box, increases the contact area of the sludge and air and improves the drying efficiency of equipment; drying the sludge by a conveying device matched with a drying device; the sludge strips are beaten into smaller particles through the smashing device, so that the contact area of the sludge and air is increased again, the drying effect of the equipment is improved, and the sludge is prevented from being dried only on the surface; the drying device is matched with the conveying device and the crushing device to dry the sludge, so that the utilization rate of energy sources and the practicability of equipment are improved; the device comprises a drying box, a stirring device and a heating device, wherein the heating device and the stirring device are both arranged on the drying box; the device also comprises an extrusion box, a slitting box, a conveying device, a crushing device and a drying device.

Description

Domestic sewage treatment pond sediment mud recovery desiccator

Technical Field

The utility model relates to the technical field of domestic sewage sludge treatment, in particular to a sedimentation sludge recovery dryer of a domestic sewage treatment tank.

Background

When domestic sewage is treated, a large amount of sludge is accumulated at the bottom of the sedimentation tank, the accumulated sludge can affect the sewage treatment effect, the sludge needs to be collected and treated regularly, and the sludge can be reused after being dehydrated, dried and the like.

The Chinese patent with publication number CN201320263288.2 in the prior art relates to a sludge dryer, which comprises a drying box, a stirring device and a heating device, and can reduce the caking phenomenon of sludge in the drying process.

However, the above device has the following problems in practical use: first, the device does not have automatic continuous operation capability; secondly, the contact surface between heat and sludge in the drying process of the equipment dryer is less, the drying efficiency of the sludge is lower, and the energy consumption is larger.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a device which is used for cutting sludge into smaller blocks through an extrusion box and a slitting box, increasing the contact area between the sludge and air and improving the drying efficiency of the device; drying the sludge by a conveying device matched with a drying device; the sludge strips are beaten into smaller particles through the smashing device, so that the contact area of the sludge and air is increased again, the drying effect of equipment is improved, and the sludge is prevented from being dried only on the surface; the sludge is dried by the drying device in combination with the conveying device and the smashing device, so that the utilization rate of energy and the practicability of equipment are improved.

The utility model relates to a sewage treatment tank precipitated sludge recovery dryer which comprises a drying box, a stirring device and a heating device, wherein the heating device and the stirring device are both arranged on the drying box; the device also comprises an extrusion box, a slitting box, a conveying device, a crushing device and a drying device, wherein the extrusion box extrudes the dehydrated sludge into sheets; the strip cutting box cuts the sludge sheet into strips; the conveying device carries the sludge strips for drying; the crushing device crushes the dried sludge strips; the drying device dries the sludge; the sludge is cut into smaller blocks through the extrusion box and the slitting box, so that the contact area of the sludge and air is increased, and the drying efficiency of the equipment is improved; drying the sludge by a conveying device matched with a drying device; the sludge strips are beaten into smaller particles through the smashing device, so that the contact area of the sludge and air is increased again, the drying effect of equipment is improved, and the sludge is prevented from being dried only on the surface; the drying device is matched with the conveying device and the smashing device to dry the sludge, so that the utilization rate of energy and the practicability of equipment are improved.

Preferably, the extrusion box comprises an extrusion box body, a sludge pipe, extrusion rollers, a gear box and a first gear motor, wherein the upper end surface of the extrusion box body is connected with the sludge pipe, two groups of extrusion rollers are arranged in the extrusion box body, the gear box is arranged on the side surface of the extrusion box body, the two groups of extrusion rollers are connected with the gear box, and the first gear motor is arranged on the side surface of the gear box; and starting the first gear motor, transmitting power to the gear box by the first gear motor, driving the two groups of extrusion rollers to rotate through the gear box, extruding the sludge into sheets, and increasing the surface area of the sludge.

Preferably, the slitting box comprises a slitting box body, two groups of cutter holders, a plurality of groups of cutting blades, a plurality of groups of connecting rods, a fixed plate and a cylinder, wherein the upper part of the slitting box body is communicated with the lower part of the extrusion box body, the fixed plates are arranged at the left end and the right end of the slitting box body, the two groups of cutter holders are connected through the plurality of groups of connecting rods, the connecting rods penetrate through the fixed plates and can move on the fixed plates, the plurality of groups of cutting blades are arranged on the two groups of cutter holders, the cutting blades can penetrate through the end face of the slitting box body and enter the slitting box body, the output end of the cylinder is connected with the rear end face of the rear cutter seat, and the fixed end of the cylinder is arranged on the conveying device; the control cylinder stretches back and forth to drive the cutting blade on two sets of blade holders to enter into the slitting box repeatedly, and the cutting blade cuts the mud piece in the slitting box into the mud strip, increases the surface area of mud, shortens the required time of mud stoving, has improved the drying efficiency of equipment.

Preferably, the conveying device comprises a conveying box, a second gear motor, conveying rollers and a conveying belt, wherein the upper end face of the conveying box is connected with the lower end face of the slitting box body, two groups of conveying rollers are arranged on the front end face and the rear end face in the conveying box, the conveying belt is sleeved on the two groups of conveying rollers, the second gear motor is arranged on the side face of the conveying box, and the output end of the second gear motor is connected with one group of conveying rollers; and the second gear motor is started, the second gear motor transmits power to the conveying rollers, the conveying rollers are matched to drive the conveying belt to rotate, the conveying belt is used for bearing sludge strips, the sludge strips are uniformly distributed on the conveying belt, gaps between the sludge strips are increased, and the sludge is dried by the matched drying device, so that the practicability of the equipment is improved.

Preferably, the crushing device comprises a drying barrel, a rubber connecting pipe, a third gear motor, a vibration motor and a crushing rod, wherein the drying barrel is obliquely arranged, a discharge hole is formed in one end of the drying barrel, which is inclined downwards, the third gear motor is arranged on the end face of the drying barrel, which is inclined downwards, the vibration motor is arranged on the lower end face of the third gear motor, the crushing rod is arranged in the drying barrel, the output end of the third gear motor penetrates through the side face of the drying barrel to be connected with the crushing rod, and the front part of the upper end face of the drying barrel is connected with the output end of the conveying box through the rubber connecting pipe; and the third gear motor is started, the third gear motor transmits power to the crushing rod to drive the crushing rod to rotate, the rotating crushing rod breaks sludge strips into granular sludge, and the granular sludge is secondarily dried by matching with the drying device, so that the water content of the sludge is reduced, the sludge is dried more uniformly, and the practicability of the equipment is improved.

Preferably, the drying device comprises an air heater, a condenser, a hot air plate and two groups of air outlet pipes, wherein the air heater and the condenser are arranged on the upper end face of the conveying box, the output end of the condenser is connected with the input end of the air heater, the input end of the condenser is communicated with the interior of the conveying box, the hot air plate is arranged between the upper layer and the lower layer of the conveying belt in the conveying box, a plurality of groups of air outlets are arranged on the upper end face of the hot air plate, the two groups of air outlet pipes are arranged on the lower end face of the drying barrel, a plurality of groups of air inlets are arranged on the upper end face of the air outlet pipes, a screen is sealed on the air inlets, and the output end of the air heater is connected with the hot air plate and the air outlet pipes through the hot air pipes; hot air is supplied to the hot air plate and the air outlet pipe through the hot air machine, and is discharged from the air outlet on the hot air plate and the air outlet pipe, so that sludge is dried, moist hot air is collected by the condenser to be condensed, and the dry cold air is transmitted to the hot air machine, so that the influence of overflow of air on the working environment is reduced, and the practicability of equipment is improved.

Compared with the prior art, the utility model has the beneficial effects that: the sludge is cut into smaller blocks through the extrusion box and the slitting box, so that the contact area of the sludge and air is increased, and the drying efficiency of the equipment is improved; drying the sludge by a conveying device matched with a drying device; the sludge strips are beaten into smaller particles through the smashing device, so that the contact area of the sludge and air is increased again, the drying effect of equipment is improved, and the sludge is prevented from being dried only on the surface; the drying device is matched with the conveying device and the smashing device to dry the sludge, so that the utilization rate of energy and the practicability of equipment are improved.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic view of a first cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a second cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a third cross-sectional structure of the present utility model;

the reference numerals in the drawings: 1. extruding the box body; 2. a sludge pipe; 3. a squeeze roll; 4. a gear box; 5. a first gear motor; 6. cutting the strip box body; 7. a tool apron; 8. a cutting blade; 9. a connecting rod; 10. a fixing plate; 11. a cylinder; 12. a transfer box; 13. a second gear motor; 14. a conveying roller; 15. a conveyor belt; 16. a drying barrel; 17. a rubber connecting pipe; 18. a third gear motor; 19. a vibration motor; 20. a breaker bar; 21. an air heater; 22. a condenser; 23. a hot air plate; 24. and (5) an air outlet pipe.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1, 2, 3 and 4, the extrusion box is connected with the slitting box, the slitting box is connected with the conveying device, and the drying device is arranged on the conveying device;

firstly, sludge is transmitted to an extrusion box body 1 through a sludge pipe 2, a first speed reducing motor 5 is started, the first speed reducing motor 5 transmits power to a gear box 4, two groups of extrusion rollers 3 are driven to rotate through the gear box 4 to extrude the sludge into slices and drop the slices into a slitting box body 6, then a control cylinder 11 stretches back and forth to drive cutting blades 8 on two groups of knife holders 7 to repeatedly enter the slitting box body 6, the cutting blades 8 cut the sludge slices in the slitting box body 6 into sludge strips, the produced sludge strips drop onto a conveyor belt 15 in a conveying box 12, a second speed reducing motor 13 is started, the second speed reducing motor 13 transmits power to a conveying roller 14, the conveyor belt 15 is driven to rotate through the cooperation of the two groups of conveying rollers 14, the sludge strips are borne by the conveyor belt 15, the sludge strips are uniformly distributed on the conveyor belt 15, then a hot air blower 21 transmits hot air to a hot air plate 23 to be sprayed to the sludge strips from an air outlet on the hot air plate 23 to dry the sludge strips, and then the sludge strips are discharged;

the strip cutting box comprises a strip cutting box body 6, two groups of cutter seats 7, a plurality of groups of cutting blades 8, a plurality of groups of connecting rods 9, a fixed plate 10 and an air cylinder 11, wherein the upper part of the strip cutting box body 6 is communicated with the lower part of the extrusion box body 1, the fixed plate 10 is arranged at the left end and the right end of the strip cutting box body 6, the two groups of cutter seats 7 are connected through the plurality of groups of connecting rods 9, the connecting rods 9 penetrate through the fixed plate 10 and can move on the fixed plate 10, the plurality of groups of cutting blades 8 are arranged on the two groups of cutter seats 7, the cutting blades 8 can penetrate through the end face of the strip cutting box body 6 and enter the strip cutting box body 6, the output end of the air cylinder 11 is connected with the rear end face of the rear side cutter seat 7, and the fixed end of the air cylinder 11 is arranged on the conveying device;

the conveying device comprises a conveying box 12, a second gear motor 13, conveying rollers 14 and a conveying belt 15, wherein the upper end face of the conveying box 12 is connected with the lower end face of the slitting box body 6, two groups of conveying rollers 14 are arranged on the front end face and the rear end face in the conveying box 12, the conveying belt 15 is sleeved on the two groups of conveying rollers 14, the second gear motor 13 is arranged on the side face of the conveying box 12, and the output end of the second gear motor 13 is connected with one group of conveying rollers 14;

the drying device comprises an air heater 21, a condenser 22 and a hot air plate 23, wherein the air heater 21 and the condenser 22 are arranged on the upper end face of the conveying box 12, the output end of the condenser 22 is connected with the input end of the air heater 21, the input end of the condenser 22 is communicated with the interior of the conveying box 12, the hot air plate 23 is arranged between the upper layer and the lower layer of the conveying belt 15 in the conveying box 12, and a plurality of groups of air outlets are arranged on the upper end face of the hot air plate 23;

the extrusion case comprises an extrusion case body 1, a sludge pipe 2, extrusion rollers 3, a gear box 4 and a first gear motor 5, wherein the upper end face of the extrusion case body 1 is connected with the sludge pipe 2, two groups of extrusion rollers 3 are arranged in the extrusion case body 1, the gear box 4 is arranged on the side face of the extrusion case body 1, the two groups of extrusion rollers 3 are connected with the gear box 4, and the first gear motor 5 is arranged on the side face of the gear box 4.

Example 2

The improvement on the first embodiment comprises a crushing device which is connected with the conveying device;

the sludge in the conveying box 12 falls into the drying barrel 16, the third gear motor 18 is started, the third gear motor 18 transmits power to the crushing rod 20 to drive the crushing rod 20 to rotate, the rotating crushing rod 20 breaks the sludge into granular sludge, then the hot air blower 21 transmits hot air to the air outlet pipe 24 to dry the granular sludge due to the discharge of an air outlet on the air outlet pipe 24, and then the vibration motor 19 is started to assist the dried sludge granule discharge equipment;

the crushing device comprises a drying barrel 16, a rubber connecting pipe 17, a third gear motor 18, a vibration motor 19 and a crushing rod 20, wherein the drying barrel 16 is obliquely arranged, a discharge hole is formed in one end of the drying barrel 16, which is inclined downwards, the third gear motor 18 is arranged on the end face of the drying barrel 16, the vibration motor 19 is arranged on the lower end face of the third gear motor 18, the crushing rod 20 is arranged in the drying barrel 16, the output end of the third gear motor 18 passes through the side face of the drying barrel 16 to be connected with the crushing rod 20, and the front part of the upper end face of the drying barrel 16 is connected with the output end of the conveying box 12 through the rubber connecting pipe 17;

the water content of the sludge is reduced through the smashing device, so that the sludge is dried more uniformly, and the practicability of the equipment is improved.

As shown in fig. 1 to 4, in the sludge recycling dryer for a domestic sewage treatment tank, when the dryer is in operation, firstly, sludge is transmitted to an extrusion box body 1 through a sludge pipe 2, then a first speed reduction motor 5 is started, the first speed reduction motor 5 transmits power to a gear box 4, the gear box 4 drives two groups of extrusion rollers 3 to rotate so as to extrude the sludge into sheets and drop the materials into a slitting box body 6, then a control cylinder 11 stretches back and forth to drive cutting blades 8 on the two groups of cutter holders 7 to repeatedly enter the slitting box body 6, the cutting blades 8 cut the sludge sheets in the slitting box body 6 into sludge strips, the produced sludge strips drop onto a conveyor belt 15 in a conveying box 12, then a second speed reduction motor 13 is started, the second speed reduction motor 13 transmits power to a conveying roller 14, the conveyor belt 15 is driven to rotate by cooperation of the two groups of conveying rollers 14, the sludge strips are uniformly distributed on the conveyor belt 15, then a hot air blower 21 transmits the hot air to a hot air 23, the sludge strips are dried by an air outlet on the hot air plate 23, the cutting blades 8 repeatedly enter the slitting box body 6, the sludge strips are cut into sludge strips by the cutting blades, the produced sludge strips fall into particles by the motor, the speed reduction motor is driven by the speed reduction roller 20, the speed reduction motor is driven by the speed reduction motor is driven to rotate, the speed reduction motor is driven by the speed reduction roller 20, and then the sludge particles are crushed to be discharged, and the crushed into particles are discharged by the air, and the particles are dried, and the particles are discharged by the drying device is driven to be dried, and finally, and the drying particles are turned to be dried, and the particles are turned into 20.

The gear box 4, the first gear motor 5, the second gear motor 13, the third gear motor 18, the vibration motor 19, the air cylinder 11, the air heater 21 and the condenser 22 of the domestic sewage treatment tank sediment sludge recycling dryer are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached using instructions without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. The utility model provides a domestic sewage treatment pond sediment mud retrieves desiccator, includes drying cabinet, agitating unit and heating device, and heating device and agitating unit are all installed on the drying cabinet; the device is characterized by further comprising an extrusion box, a slitting box, a conveying device, a crushing device and a drying device, wherein the extrusion box extrudes the dehydrated sludge into sheets; the strip cutting box cuts the sludge sheet into strips; the conveying device carries the sludge strips for drying; the crushing device crushes the dried sludge strips; the drying device dries the sludge.

2. The sludge recovery dryer for the sedimentation tank of the domestic sewage treatment tank according to claim 1, wherein the extrusion box comprises an extrusion box body (1), a sludge pipe (2), extrusion rollers (3), a gear box (4) and a first gear motor (5), the upper end face of the extrusion box body (1) is connected with the sludge pipe (2), two groups of extrusion rollers (3) are installed in the extrusion box body (1), the gear box (4) is installed on the side face of the extrusion box body (1), the two groups of extrusion rollers (3) are connected with the gear box (4), and the first gear motor (5) is installed on the side face of the gear box (4).

3. The sludge recycling dryer for the domestic sewage treatment pond according to claim 2, wherein the slitting box comprises a slitting box body (6), two groups of cutter holders (7), a plurality of groups of cutting blades (8), a plurality of groups of connecting rods (9), a fixing plate (10) and an air cylinder (11), the upper part of the slitting box body (6) is communicated with the lower part of the extrusion box body (1), the fixing plate (10) is installed at the left end and the right end of the slitting box body (6), the two groups of cutter holders (7) are connected through the plurality of groups of connecting rods (9), the connecting rods (9) penetrate through the fixing plate (10) and can move on the fixing plate (10), the plurality of groups of cutting blades (8) are installed on the two groups of cutter holders (7), the cutting blades (8) can penetrate through the end face of the slitting box body (6) to enter the slitting box body (6), the output end of the air cylinder (11) is connected with the rear end face of the rear side cutter holder (7), and the fixed end of the air cylinder (11) is installed on a conveying device.

4. A sludge recycling dryer for a domestic sewage treatment tank as claimed in claim 3, characterized in that the conveying device comprises a conveying box (12), a second gear motor (13), conveying rollers (14) and a conveying belt (15), the upper end face of the conveying box (12) is connected with the lower end face of the slitting box body (6), two groups of conveying rollers (14) are arranged on the front end face and the rear end face in the conveying box (12), the conveying belt (15) is sleeved on the two groups of conveying rollers (14), the second gear motor (13) is arranged on the side face of the conveying box (12), and the output end of the second gear motor (13) is connected with one group of conveying rollers (14).

5. The sludge recovery dryer for a domestic sewage treatment tank according to claim 4, wherein the crushing device comprises a drying barrel (16), a rubber connecting pipe (17), a third gear motor (18), a vibration motor (19) and a crushing rod (20), wherein the drying barrel (16) is obliquely arranged, a discharge hole is formed in one end of the drying barrel (16) which is inclined downwards, the third gear motor (18) is arranged on the end face of the drying barrel (16) which is inclined downwards, the vibration motor (19) is arranged on the lower end face of the third gear motor (18), the crushing rod (20) is arranged in the drying barrel (16), the output end of the third gear motor (18) penetrates through the side face of the drying barrel (16) to be connected with the crushing rod (20), and the front part of the upper end face of the drying barrel (16) is connected with the output end of the conveying box (12) through the rubber connecting pipe (17).

6. The sludge recycling dryer for a domestic sewage treatment tank according to claim 4, wherein the drying device comprises a hot air blower (21), a condenser (22), a hot air plate (23) and two groups of air outlet pipes (24), the hot air blower (21) and the condenser (22) are arranged on the upper end face of the conveying box (12), the output end of the condenser (22) is connected with the input end of the hot air blower (21), the input end of the condenser (22) is communicated with the inside of the conveying box (12), the hot air plate (23) is arranged between the upper layer and the lower layer of a conveyor belt (15) in the conveying box (12), a plurality of groups of air outlets are arranged on the upper end face of the hot air plate (23), two groups of air outlet pipes (24) are arranged on the lower end face of the drying barrel (16), a plurality of groups of air inlets are arranged on the upper end face of the air outlet pipes (24) and are sealed with a screen mesh on the air inlets, and the output end of the hot air blower (21) is connected with the hot air plate (23) and the air outlet pipes (24).

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