CN212655673U

CN212655673U - Sludge drying machine

Info

Publication number: CN212655673U
Application number: CN202020815337.9U
Authority: CN
Inventors: 陈海林; 聂小兵
Original assignee: Huizhou Welgao Electronics Co ltd
Current assignee: Huizhou Welgao Electronics Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-03-05
Anticipated expiration: 2030-05-16

Abstract

The utility model provides a sludge drying machine, output through conveyer belt under is equipped with the lifting machine, make mud can be promoted to the conveyer belt and transport once more, continue by the mummification, the mummification has opened the second valve again for enough time and has made mud output, one make can dry the sufficient time in the mummification room of mud, it is more thorough to make the mummification effect, two need not to set up the mode of many conveyer belts through top-down, with the removal distance of extension mud at the mummification room, thereby extension mud is by the time of mummification, it is too big to have avoided sludge drying machine to accumulate, and simultaneously, crushing roller can cut kibbling effect to the mud of conveyer belt, the area of contact of mud and steam has been improved, the mummification efficiency is improved.

Description

Sludge drying machine

Technical Field

The utility model belongs to the technical field of sludge treatment, concretely relates to sludge drying machine.

Background

The water content of the sludge before drying is very high, the water content of the residual sludge reaches 99.2-99.5%, the water content of the sludge after passing through a concentration tank is 95-97%, the water content after filter pressing is about 80%, so that the water content and the sludge drying are reduced, the water content after leaving the sludge factory in China has new standards, the water content after leaving the sludge factory is reduced from 80% to 60%, the sludge treatment attention of China is paid to sludge treatment, the sludge is more favorable for utilization and final treatment, various sludge drying machines appear on the market, the most common sludge drying machine is a sludge drying machine combining a drying chamber and a sludge dehumidifying heat pump, the sludge dehumidifying heat pump dehumidifies and heats the gas passing through the sludge by using a condenser and a heat exchanger, and sends the gas to the drying chamber again to perform drying action on the sludge, and achieves the purpose of gas circulation, however, in the sludge drying machine in the prior art, a plurality of conveyor belts are usually arranged from top to bottom to lengthen the moving distance of the sludge in the drying chamber, so that the drying time of the sludge is prolonged, the volume of the sludge drying machine is large, and the drying efficiency of the sludge drying machine in the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to overcome the technical problem, the utility model provides a sludge drying machine, including mummification room and sludge dehumidifying heat pump, sludge dehumidifying heat pump is fixed in the outside of mummification room, sludge dehumidifying heat pump is equipped with intake pipe, outlet duct and drain pipe, the mummification room includes box, feed mechanism, sludge transport mechanism and discharge mechanism, feed mechanism is located the top of box, sludge transport mechanism is located the inside of box, discharge mechanism is located the bottom of box, feed mechanism includes feed hopper, the mummification room includes lifting machine and a plurality of crushing roller, the lifting machine with the crushing roller is located the inside of box;

the feeding mechanism further comprises a spiral extruding mechanism, the upper end of the spiral extruding mechanism is communicated with the lower end of the feeding hopper, the spiral extruding mechanism comprises a motor, a shell and a spiral pushing rod, the motor is fixed to the box body, the output end of the motor is connected to the spiral pushing rod, the spiral pushing rod is located inside the shell, the motor is located on the left side of the shell, and the shell is fixed inside the box body;

the sludge conveying mechanism comprises an upper conveying belt and a lower conveying belt, the conveying direction of the upper conveying belt is from left to right, the conveying direction of the lower conveying belt is from right to left, the left end of the upper conveying belt is located below the discharging mechanism, the right end of the lower conveying belt is located on the right lower side of the upper conveying belt, the air outlet pipe is provided with an upper air outlet branch pipe and a lower air outlet branch pipe, the upper air outlet branch pipe and the lower air outlet branch pipe are communicated with the air outlet pipe, the upper air outlet branch pipe and the lower air outlet branch pipe are respectively located above the upper conveying belt and the lower conveying belt, and the plurality of crushing rollers are located above the upper conveying belt and/or the lower conveying belt;

discharge mechanism includes discharge hopper, discharge hopper is equipped with left discharge gate and right discharge gate, left side discharge gate communicate in the input of the lower extreme of lifting machine, the output of lifting machine is located go up the top of conveyer belt, right side discharge gate accesss to the outside of box, left side discharge gate with right side discharge gate is equipped with first valve and second valve respectively.

Furthermore, the right end of the shell is provided with a sieve pore. The sludge is extruded in a strip structure, so that the contact area of the sludge and the gas is increased, and the drying efficiency is improved.

Further, the outlet duct is equipped with the air-blower, the intake pipe is equipped with the draught fan.

Further, the crushing roller is provided with a plurality of blades.

Further, the drying chamber further comprises an arc-shaped material guide plate, the arc-shaped material guide plate is located on the right side of the lower conveying belt, and the right end of the arc-shaped material guide plate is fixed on the box body. The arc-shaped material guide plate can avoid rolling out from the right end of the lower conveying belt when falling from the upper conveying belt to the lower conveying belt.

Furthermore, a blocking cover is arranged above the feeding hopper. The drying chamber is closed, heat loss is avoided, and the drying effect is further improved.

Further, the right end of the lower gas outlet branch pipe and the right end of the upper conveying belt are not at the same vertical position. The lower air outlet branch pipe is provided with a bending structure, so that the left end of the lower air outlet branch pipe is positioned above the left end of the upper conveying belt, the right end of the lower air outlet branch pipe is staggered with the right end of the upper conveying belt, and the granular sludge falling from the upper conveying belt is prevented from being blocked, so that the granular sludge is prevented from falling to the lower conveying belt smoothly.

The utility model discloses the beneficial effect who produces is: the output through conveyer belt down is equipped with the lifting machine, make mud can be promoted to the last conveyer belt and transport once more, continue to be mummified, the mummification has enough time and has opened the second valve again and make mud output, one make can dry sufficient time in the mummification room of mud, make the mummification effect more thorough, two need not to set up the mode of many conveyer belts through top-down, with the removal distance of extension mud at the mummification room, thereby extension mud is by the time of mummification, it is long to have avoided the sludge mummification organism, and simultaneously, the crushing roller can cut kibbling effect to the mud of conveyer belt, the area of contact of mud with steam has been improved, the mummification efficiency has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the lower conveyor belt of the present invention;

FIG. 3 is a left side view of the structure of the crushing roller of the present invention;

wherein, 1, a drying chamber; 11. a box body; 12. a feeding mechanism; 121. a screw extrusion mechanism; 122. a motor; 123. a housing; 124. a screw push rod; 125. screening holes; 126. a feed hopper; 1261. a blocking cover; 13. a sludge conveying mechanism; 131. uploading a conveyor belt; 132. a lower conveyor belt; 14. a discharging mechanism; 141. a discharging hopper; 142. a left discharge port; 143. a right discharge hole; 144. a first valve; 145. a second valve; 15. an arc-shaped material guide plate; 15. a hoist; 16. a crushing roller; 161. a blade; 2. a sludge dehumidification heat pump; 21. an air inlet pipe; 211. an induced draft fan; 22. an air outlet pipe; 221. an upper outlet branch pipe; 222. a lower outlet branch pipe; 223. a blower; 23. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1-3 show a sludge drying machine provided by the present invention, including drying chamber 1 and sludge dehumidifying heat pump 2, sludge dehumidifying heat pump 2 is fixed outside drying chamber 1, sludge dehumidifying heat pump 2 is provided with air inlet pipe 21, air outlet pipe 22 and water outlet pipe 23, drying chamber 1 includes box 11, feeding mechanism 12, sludge conveying mechanism 13 and discharging mechanism 14, feeding mechanism 12 is located at the top of box 11, sludge conveying mechanism 13 is located inside box 11, discharging mechanism 14 is located at the bottom of box 11, feeding mechanism 12 includes feeding funnel 126, drying chamber 1 includes lifting machine 15 and a plurality of crushing rollers 16, lifting machine 15 and crushing rollers 16 are located inside box 11;

the feeding mechanism 12 further comprises a spiral extruding mechanism 121, the upper end of the spiral extruding mechanism 121 is communicated with the lower end of the feeding hopper 126, the spiral extruding mechanism 121 comprises a motor 122, a shell 123 and a spiral pushing rod 124, the motor 122 is fixed in the box body 11, the output end of the motor 122 is connected to the spiral pushing rod 124, the spiral pushing rod 124 is located in the shell 123, the motor 122 is located on the left side of the shell 123, and the shell 123 is fixed in the box body 11;

the sludge conveying mechanism 13 comprises an upper conveying belt 131 with the conveying direction from left to right and a lower conveying belt 132 with the conveying direction from right to left, the left end of the upper conveying belt 131 is positioned below the discharging mechanism 14, the right end of the lower conveying belt 132 is positioned at the right lower part of the upper conveying belt 131, the air outlet pipe 22 is provided with an upper air outlet branch pipe 221 and a lower air outlet branch pipe 222, the upper air outlet branch pipe 221 and the lower air outlet branch pipe 222 are communicated with the air outlet pipe 22, the upper air outlet branch pipe 221 and the lower air outlet branch pipe 222 are respectively positioned above the upper conveying belt 131 and the lower conveying belt 132, and a plurality of crushing rollers 16 are respectively arranged above the upper conveying belt 131 and the lower conveying;

the discharging mechanism 14 includes a discharging funnel 141, the discharging funnel is provided with a left discharging port 142 and a right discharging port 143, the left discharging port 142 is communicated with an input end of a lower end of the hoisting machine 15, an output end of the hoisting machine 15 is located above the upper conveyor belt 131, the right discharging port 143 is led to the outside of the box body 11, and the left discharging port 142 and the right discharging port 143 are respectively provided with a first valve 144 and a second valve 145.

The right end of the housing 123 is provided with a sieve hole 125. The sludge is extruded in a strip structure, so that the contact area of the sludge and the gas is increased, and the drying efficiency is improved.

The air outlet pipe 22 is provided with a blower 223, and the air inlet pipe 21 is provided with an induced draft fan 211.

The crushing roller 16 is provided with a plurality of blades 161.

The drying chamber 1 further comprises an arc-shaped material guide plate 15, the arc-shaped material guide plate 15 is located on the right side of the lower conveyor belt 132, and the right end of the arc-shaped material guide plate 15 is fixed on the box body 11. The arc-shaped guide plates 15 prevent the guide plates from rolling out of the right end of the lower conveyor belt 132 when falling from the upper conveyor belt 131 to the lower conveyor belt 132.

A cover 1261 is positioned above the feed hopper 126. The drying chamber 1 is closed, so that heat loss is avoided, and the drying effect is further improved.

The right end of the lower outlet manifold 222 is not at the same vertical position as the right end of the upper conveyor belt 131. The lower gas outlet branch pipe 222 is provided with a bending structure, so that the left end of the lower gas outlet branch pipe 222 is positioned above the left end of the upper conveying belt 131, and the right end of the lower gas outlet branch pipe 222 is staggered with the right end of the upper conveying belt 131, thereby avoiding the influence of granular sludge falling from the upper conveying belt 131 on the smooth falling of the granular sludge onto the lower conveying belt 132.

The working mode is as follows: the working personnel sets time in the controller in advance, the working personnel starts the sludge dehumidifying heat pump 2, the gas in the box body 11 is sucked into the air inlet mechanism, the dehumidifying heat pump dehumidifies and heats the gas, the gas is sprayed out from the air outlet holes of the upper air outlet branch pipe 221 and the lower air outlet branch pipe 222 in a dry high-temperature state, the working personnel puts a certain amount of sludge into the feeding funnel 126, the sludge then enters the spiral extruding mechanism 121, the motor 122 controls the spiral pushing rod 124 to move and push the sludge to the right end of the shell 123, the sludge is extruded in a strip shape from the sieve pores 125, the strip-shaped sludge then falls into the left end of the upper conveying belt 131, the sludge is conveyed to the right end by the upper conveying belt 131 and then falls into the right end of the lower conveying belt 132, the lower conveying belt 132 conveys the sludge to the left end, in the conveying process, the crushing roller 16 is rotated to drive the knife edge 161 to cut the sludge above the upper conveying belt 131, the sludge is input into the elevator 15 from the left discharge port 142 and transported to the left end of the first conveyor belt by the elevator 15, and transported again, before the preset time is reached, the first valve 144 is opened, the second valve 145 is kept closed, after the preset time is reached, the second valve 145 is opened, and the sludge is output from the right discharge port 143.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right" and the like are used herein for illustrative purposes only.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make simple deduction or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A sludge drying machine comprises a drying chamber and a sludge dehumidifying heat pump, wherein the sludge dehumidifying heat pump is fixed on the outer side of the drying chamber and is provided with an air inlet pipe, an air outlet pipe and a water outlet pipe;

2. The sludge drying machine as claimed in claim 1, wherein the right end of the housing is provided with a sieve hole.

3. The sludge drying machine as claimed in claim 1, wherein the air outlet pipe is provided with an air blower, and the air inlet pipe is provided with an induced draft fan.

4. The sludge drying machine of claim 1, wherein the crushing roller is provided with a plurality of blades.

5. The sludge drying machine of claim 1, wherein the drying chamber further comprises an arc-shaped material guide plate, the arc-shaped material guide plate is positioned on the right side of the lower conveyor belt, and the right end of the arc-shaped material guide plate is fixed to the box body.

6. The sludge drying machine as claimed in claim 1, wherein a baffle cover is arranged above the feeding hopper.

7. The sludge drying machine of claim 1, wherein the right end of the lower outlet branch pipe and the right end of the upper conveyor belt are not in the same vertical position.