CN212833410U

CN212833410U - Continuous sludge drier

Info

Publication number: CN212833410U
Application number: CN202021497083.7U
Authority: CN
Inventors: 崔西川; 田野
Original assignee: Henan Nanyang Environmental Machinery Co ltd
Current assignee: Henan Nanyang Environmental Machinery Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-03-30
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a continuous type sludge drying machine belongs to the sludge treatment equipment field, and its technical scheme main points include the electromagnetic heating section of thick bamboo and be used for driving the rotatory heating element rotary driving mechanism of electromagnetic heating section of thick bamboo, and the spiral is provided with the spiral board in the electromagnetic heating section of thick bamboo, and the both ends of electromagnetic heating section of thick bamboo all are provided with the opening, the utility model discloses have the effect of realizing the continuous mummification of mud.

Description

Continuous sludge drier

Technical Field

The utility model relates to a sludge treatment equipment field, more specifically say that it relates to a continuous type sludge drying machine.

Background

The sludge is a solid organic waste with extremely high water content, and even the sludge is pretreated by concentration, centrifugation and the like, the water content is about 80 percent. The treatment of the sludge generally comprises front-end drying treatment and terminal treatment, wherein the terminal treatment technology such as sludge landfill requires that the water content is below 60 percent, and the sludge incineration requires that the water content is about 40 percent. Therefore, no matter what kind of terminal treatment technology is adopted, the terminal treatment technology is established on the basis of front-end sludge drying.

Because the prior art generally uses the electric heating tube to heat the air and dry the sludge during the front-end treatment, the sludge per ton is dehydrated from 80 percent of water content to 20 percent of water, and the electricity consumption is about 600 ℃, thereby the electricity consumption is high; and the tail gas emission is large, the temperature is high, the heat loss is large, and the sludge drying cost is greatly improved.

In order to solve the problems, the Chinese utility model with the publication number of CN210176711U discloses an electromagnetic heating sludge drying machine, which comprises an electromagnetic heating tube, a frame and a heating tube rotation driving mechanism, wherein the rotating electromagnetic heating tube is arranged on the frame, a protective cover is correspondingly arranged on the outer side of the electromagnetic heating tube, an electromagnetic coil is arranged and surrounded on the outer side of a barrel body of the electromagnetic heating tube, and a heating guide plate and a spiral plate which are spirally arranged are welded on the inner wall of the electromagnetic heating tube; the electromagnetic coil is connected with the heating control device through a direct current lead and a conductive slip ring; a heating cylinder port box is arranged at the cylinder closing-in end of the electromagnetic heating cylinder, a feeding bin and a heat and humidity exhaust pipe are arranged at the upper part of the heating cylinder port box, and a discharge hole is arranged at the bottom of the heating cylinder port box; the heating barrel mouth box with the feeding bin corresponds to be connected and is equipped with the feed chute, and in the feed chute inserted the heating barrel mouth, the heat extraction wet pipe set up in the feeding bin side.

In the prior art, the electromagnetic heating sludge drier is similar to the electromagnetic heating sludge drier, the heating time of the electromagnetic coil is more than 60% faster than the preheating time of resistance heating, and the energy is saved by 20-30%.

However, because the feed inlet and the discharge outlet of the electromagnetic heating sludge drying machine are both located at the same end, the electromagnetic heating sludge drying machine can feed the next pot of materials after waiting for the last pot of materials to be discharged, and cannot perform continuous drying, so that the drying efficiency of the sludge is low, and the sludge cannot be dried in a large scale.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a continuous type sludge drying machine, it has the advantage of realizing the mummification of mud in succession.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a continuous type sludge drying machine, includes electromagnetic heating tube and is used for driving the rotatory heating tube rotary driving mechanism of electromagnetic heating tube, the spiral is provided with the spiral board in the electromagnetic heating tube, the both ends of electromagnetic heating tube all are provided with the opening.

Through adopting above-mentioned technical scheme, heating cylinder rotary driving mechanism can drive the electromagnetic heating cylinder and rotate, takes place rotatory back when the electromagnetic heating cylinder, and it is leading-in with mud from the one end opening of electromagnetic heating cylinder, and mud can be followed the spiral plate and slowly flow to the other end opening direction of electromagnetic heating cylinder, finally discharges from the latter opening part. In the process, the sludge does not need to wait for feeding of the next pot of materials after the last pot of materials are discharged, so that the continuous drying of the sludge can be realized, and the drying efficiency of the sludge is greatly improved.

The utility model discloses further set up to: a heat recoverer is arranged outside the electromagnetic heating cylinder, the inlet end and the outlet end of the heat recoverer are respectively communicated with a wet heat air pipe and a new hot air pipe, and an exhaust fan and an air inlet fan are respectively communicated on the wet heat air pipe and the new hot air pipe; the end, far away from the heat recoverer, of the damp and hot air pipe and the end, far away from the heat recoverer, of the new hot air pipe penetrate into the electromagnetic heating barrel from a discharge hole of the electromagnetic heating barrel and a feed hole of the electromagnetic heating barrel respectively, and the end, far away from the heat recoverer, of the damp and hot air pipe and the end, far away from the heat recoverer, of the new hot air pipe are.

By adopting the technical scheme, the heat recovery device belongs to the prior art, can convert damp and hot gas into dry hot air (new hot air), the exhaust fan can suck the damp and hot gas in the electromagnetic heating tube into the damp and hot air tube, and the air inlet fan can enable the new dry hot air to enter the electromagnetic heating tube along with the new hot air tube. Because the end that heat recovery ware was kept away from to damp heat tuber pipe and new hot-blast main is the dislocation set, consequently can slow down the problem that the dry hot-blast that new hot-blast main blew off was directly sucked by damp heat tuber pipe, improves thermal cycle efficiency, and then improves sludge drying efficiency.

The utility model discloses further set up to: the periphery of the wet and hot air pipe is provided with a plurality of air suction holes along the axis direction, and the periphery of the new hot air pipe is provided with a plurality of air inlet holes along the axis direction.

Through adopting above-mentioned technical scheme, extraction opening and inlet port can increase the scope that damp and hot gas admitted air and dry hot-blast giving vent to anger, promote heat cycle efficiency.

The utility model discloses further set up to: the orientation of the air suction hole is opposite to that of the air inlet hole.

Through adopting above-mentioned technical scheme, will admit air the position and stagger with the position of giving vent to anger for the new hot-blast is difficult to be taken away by damp and hot tuber pipe, reduces the humidity in the electromagnetic heating section of thick bamboo, improves sludge drying efficiency.

The utility model discloses further set up to: the air suction hole faces vertically upwards, and the air inlet hole faces vertically downwards.

By adopting the technical scheme, because the temperature of the damp-heat gas is generally higher than that of the fresh hot air, the damp-heat gas can rise and accumulate at the inner top of the electromagnetic heating barrel, at the moment, the air exhaust holes can absorb the damp-heat gas as much as possible, the fresh hot air can be blown towards the sludge at the bottom of the sludge being dried as much as possible, the humidity near the sludge is reduced, and the sludge drying efficiency is improved.

The utility model discloses further set up to: and one end of the wet heat air pipe, which is far away from the heat recoverer, and one end of the new hot air pipe, which is far away from the heat recoverer, are both provided with a sealing cover.

By adopting the technical scheme, the sealing cover can play a role in sealing the end part of the wet and hot air pipe and the end part of the sealing cover, so that the air pressure of the air suction hole and the air inlet hole is improved, and the absorption and the release of the air at different positions are accelerated.

The utility model discloses further set up to: the sealing cover is in threaded connection with the wet hot air pipe and the new hot air pipe.

Through adopting above-mentioned technical scheme, the closing cap can be followed damp and hot tuber pipe and new hot-blast main and pull down, makes things convenient for the inside clearance of damp and hot tuber pipe and new hot-blast main.

The utility model discloses further set up to: the wet and hot air pipe and the new hot air pipe are transparent.

Through adopting above-mentioned technical scheme, the damp and hot tuber pipe of transparence has the visuality with new hot-blast main, makes things convenient for the staff to judge and blocks up the position, the inside clearance of damp and hot tuber pipe and new hot-blast main of being convenient for.

To sum up, the utility model has the advantages of it is following:

1. the two ends of the electromagnetic heating cylinder are provided with the openings, so that sludge can be discharged from the opening at the other end along with the spiral plate under the condition of rotation of the electromagnetic heating cylinder after entering from one end of the electromagnetic heating cylinder, the continuous drying of the sludge is realized, and the drying efficiency of the sludge is greatly improved;

2. the hot recoverer belongs to the prior art and can exchange hot humid gas into dry hot air (new hot air), the exhaust fan can suck the hot humid gas in the electromagnetic heating cylinder into the hot humid air pipe, and the air inlet machine can enable the dry hot air to enter the electromagnetic heating cylinder along with the new hot air pipe;

3. by arranging the air exhaust holes and the air inlet holes with different orientations, the air inlet position and the air outlet position are staggered, so that fresh hot air is not easily exhausted by a damp and hot air pipe, the humidity in the electromagnetic heating cylinder is reduced, and the sludge drying efficiency is improved;

4. the sealing cover is detachably connected, so that the air pressure of the air suction hole and the air inlet hole can be improved, and the absorption and release of air at different positions can be accelerated; but also facilitates the cleaning of the wet hot air pipe and the fresh hot air pipe.

Drawings

FIG. 1 is an overall view of the present embodiment;

FIG. 2 is a perspective sectional view of the present embodiment;

FIG. 3 is a schematic view of the connection between the wet hot air duct and the new hot air duct in this embodiment.

Reference numerals: 1. an electromagnetic heating cylinder; 2. a heating cylinder rotation driving mechanism; 3. a spiral plate; 4. a heat recovery device; 5. a moist heat air duct; 6. a new hot air pipe; 7. an exhaust fan; 8. an air inlet machine; 9. an air exhaust hole; 10. an air inlet; 11. a closure cap; 12. a column; 13. a first retaining ring; 14. a second retaining ring; 15. a screw feeder; 16. a support frame; 17. a frame; 18. a conductive slip ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A continuous sludge drier, referring to fig. 1, comprises a frame 17, an electromagnetic heating tube 1 is rotatably connected on the frame 17, and an electromagnetic coil (not shown in the figure) for heating is wound on the electromagnetic heating tube 1; the frame 17 is further provided with a heating tube rotation driving mechanism 2 for driving the electromagnetic heating tube 1 to rotate, and the heating tube rotation driving mechanism 2 belongs to the prior art and is not described herein again.

Both ends of the electromagnetic heating tube 1 are provided with openings, and the openings at both ends are respectively a feed port and a discharge port. The peripheral side wall of the feeding port and the peripheral side wall of the discharging port of the electromagnetic heating tube 1 are respectively provided with a first fixing ring 13 and a second fixing ring 14, the first fixing ring 13 and the second fixing ring 14 are fixed with the frame 17 through the upright post 12, the first fixing ring 13 and the second fixing ring 14 are both rotationally connected with the electromagnetic heating tube 1, and when the electromagnetic heating tube 1 rotates, the first fixing ring 13 and the second fixing ring 14 are kept fixed.

One side of the first fixing ring 13, which is opposite to the second fixing ring 14, protrudes out of the two end walls of the electromagnetic heating tube 1, and one side of the first fixing ring 13, which protrudes out of the end wall of the electromagnetic heating tube 1, is closed. A screw feeder 15 is arranged outside the feed inlet of the electromagnetic heating tube 1, and an output pipe of the screw feeder 15 passes through the first fixing ring 13 and penetrates into the electromagnetic heating tube 1.

Coaxial cover is equipped with electrically conductive sliding ring 18 on screw feeder 15's the output tube, and the connected mode of electrically conductive sliding ring 18 and solenoid is unanimous with the connected mode of electrically conductive sliding ring 18, solenoid in the utility model patent that the granted patent bulletin number is CN210176711U, belongs to prior art, no longer gives unnecessary details here. The connection of the electromagnetic coil to the power source is achieved by means of an electrically conductive slip ring 18.

Referring to fig. 2 and 3, a spiral plate 3 is spirally disposed in the electromagnetic heating tube 1, and after sludge is extruded into the electromagnetic heating tube 1 from the screw feeder 15, the heating tube rotation driving mechanism 2 drives the electromagnetic heating tube 1 to rotate, and at this time, the sludge is discharged to the outlet end direction of the electromagnetic heating tube 1 along the spiral plate 3.

The external portion of the electromagnetic heating tube 1 is provided with a heat recoverer 4, the inlet end and the outlet end of the heat recoverer 4 are respectively communicated with a damp and hot air pipe 5 and a new hot air pipe 6, the damp and hot air pipe 5 and the new hot air pipe 6 are both transparent, and the damp and hot air pipe 5 and the new hot air pipe 6 are respectively fixed on a frame 17 through a support frame 16. An exhaust fan 7 and an air inlet fan 8 are respectively communicated with the wet heat air pipe 5 and the new hot air pipe 6, the exhaust fan 7 can suck the air outside the wet heat air pipe 5 into the heat recoverer 4, and the air inlet fan 8 can blow the air in the heat recoverer 4 into the new hot air pipe 6.

One end of the damp and hot air pipe 5 far away from the heat recoverer 4 sequentially passes through the second fixing ring 14 and a discharge hole of the electromagnetic heating cylinder 1 and penetrates into the electromagnetic heating cylinder 1; one end of the new hot air pipe 6, which is far away from the heat recovery device 4, sequentially passes through the first fixing ring 13 and the feed inlet of the electromagnetic heating tube 1 and penetrates into the electromagnetic heating tube 1. The wet heat air pipe 5 and the new hot air pipe 6 are parallel and arranged in a staggered way at the end far away from the heat recoverer 4.

One end of the wet and hot air pipe 5, which is far away from the heat recoverer 4, and one end of the new hot air pipe 6, which is far away from the heat recoverer 4, are both provided with a sealing cover 11, the sealing cover 11 is in threaded connection with the wet and hot air pipe 5 and the new hot air pipe 6, and the sealing cover 11 can be screwed down from the wet and hot air pipe 5 and the new hot air pipe 6.

The circumference of the damp and hot air pipe 5 is provided with a plurality of air extraction holes 9 along the axis direction, and the circumference of the new hot air pipe 6 is provided with a plurality of air inlet holes 10 along the axis direction. The orientation of the air exhaust hole 9 is opposite to that of the air inlet hole 10, wherein the orientation of the air exhaust hole 9 is vertically upward, the orientation of the air inlet hole 10 is vertically downward, the damp and hot air in the electromagnetic heating tube 1 can enter the damp and hot air tube 5 from the air exhaust hole 9, and the dry and hot air in the new hot air tube 6 can be discharged into the electromagnetic heating tube 1 through the air inlet hole 10, so that the heat recycling is realized.

The utility model discloses a working process and beneficial effect as follows:

firstly, the heating cylinder rotary driving mechanism 2 drives the electromagnetic heating cylinder 1 to rotate, then sludge is extruded into the electromagnetic heating cylinder 1 through the screw feeder 15, and the sludge is discharged to a discharge port of the electromagnetic heating cylinder 1 under the guiding action of the spiral plate 3, so that the continuous drying process of the sludge is realized.

In the process, the moist heat gas accumulated at the top in the electromagnetic heating tube 1 can be pumped into the heat recoverer 4 through the moist heat air pipe 5 through the plurality of air pumping holes 9, external fresh air can generate dry hot air after heat exchange of the heat recoverer 4, and the dry hot air can enter the electromagnetic heating tube 1 through the plurality of air inlet holes 10 of the new hot air pipe 6, so that heat recycling is realized, and drying of sludge is accelerated.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a continuous type sludge drying machine, includes electromagnetic heating tube (1) and is used for driving the rotatory heating tube rotary driving mechanism (2) of electromagnetic heating tube (1), the spiral is provided with spiral plate (3) in electromagnetic heating tube (1), its characterized in that: openings are arranged at two ends of the electromagnetic heating tube (1).

2. The continuous sludge drying machine of claim 1, wherein: a heat recoverer (4) is arranged outside the electromagnetic heating barrel (1), the inlet end and the outlet end of the heat recoverer (4) are respectively communicated with a damp and hot air pipe (5) and a new hot air pipe (6), and the damp and hot air pipe (5) and the new hot air pipe (6) are respectively communicated with an exhaust fan (7) and an air inlet fan (8); one ends, far away from the heat recoverer (4), of the damp and hot air pipes (5) and the new hot air pipes (6) penetrate into the electromagnetic heating barrel (1) from a discharge hole of the electromagnetic heating barrel (1) and a feed hole of the electromagnetic heating barrel (1) respectively, and one ends, far away from the heat recoverer (4), of the damp and hot air pipes (5) and the new hot air pipes (6) are arranged in a staggered mode.

3. The continuous sludge drying machine of claim 2, wherein: a plurality of air suction holes (9) are formed in the circumferential side of the damp and hot air pipe (5) along the axis direction of the damp and hot air pipe, and a plurality of air inlet holes (10) are formed in the circumferential side of the new hot air pipe (6) along the axis direction of the new hot air pipe.

4. The continuous sludge drying machine according to claim 3, characterized in that: the direction of the air suction hole (9) is opposite to that of the air inlet hole (10).

5. The continuous sludge drying machine according to claim 4, characterized in that: the air suction hole (9) faces upwards vertically, and the air inlet hole (10) faces downwards vertically.

6. The continuous sludge drying machine of claim 2, wherein: and one end of the wet and hot air pipe (5) far away from the heat recoverer (4) and one end of the new hot air pipe (6) far away from the heat recoverer (4) are both provided with a sealing cover (11).

7. The continuous sludge drying machine of claim 6, wherein: the sealing cover (11) is in threaded connection with the damp and hot air pipe (5) and the new hot air pipe (6).

8. The continuous sludge drying machine of claim 7, wherein: the wet and hot air pipe (5) and the new hot air pipe (6) are transparent.