CN210560041U

CN210560041U - Small-sized sludge harmless dryer

Info

Publication number: CN210560041U
Application number: CN201921545906.6U
Authority: CN
Inventors: 何光赞; 林仁斌; 张云祥; 李英
Original assignee: Sichuan Jieneng Drying Equipment Co ltd
Current assignee: Sichuan Jieneng Drying Equipment Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-19
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a small-size mud innocent drying machine, by screw extruder, the drying sieve, the drying cabinet, the dehumidification heat pump, the tail gas discharge pipe, the fan, deodorizing filter constitutes, screw extruder and drying host separately install, screw extruder is by gear motor, a machine support, the bearing frame, the hank cage shell, the spiral hank cage, ejection of compact cutting board, the hopper is constituteed, screw extruder adopts the pressure mode to extrude mud into the strip, strip mud is packed into and is dried in putting into the drying sieve, the drying cabinet is square seal structure, the dehumidification heat pump is installed in the drying cabinet, the dehumidification heat pump carries out circulation heating to the air, carry out drying process to mud, unnecessary hot-air in the drying cabinet is taken out, handle by deodorizing filter, the clean air of discharging without stink, have and can not produce the secondary pollution environment, equipment takes up an area of for a short time, drying efficiency is high, Energy saving.

Description

Small-sized sludge harmless dryer

Technical Field

The utility model relates to an environmental protection equipment especially relates to a small-size harmless desiccator of mud.

Background

The existing large-scale drying equipment is mature, the using effect is good, the energy consumption is low, at present, in a plurality of small living areas, the sludge amount per day is not too much, the using rate of large-scale equipment is low, the investment is large, the economy is poor, the equipment is not suitable for being used in small living areas, and the known coal-fired small-scale sludge drying equipment has the problems of odor leakage, coal pollution to the environment, high energy consumption and the like, and the actual using effect is poor.

Disclosure of Invention

The utility model aims at providing a small-size sludge innocent dryer, it can solve the problem that does not have the small-size sludge dryer who is suitable for that exists, mud dries in airtight desiccator, utilize dehumidification heat pump as the heat source and dry, discharge moisture simultaneously, adopt active carbon or other filtration methods deodorization, dehumidification heat pump circulation heating mud in the drying process, the heat pump separates with the drying chamber of drying cabinet, install independently outside the drying chamber, can not corroded, dry hot-blast entering the drying chamber from both sides of drying chamber, the heating uniformity is good, produce high temperature hot-air because of the temperature rise in the drying process, most is sucked in dehumidification heat pump and is reheated, a small amount is taken out by the fan, carry out active carbon absorption or other filtration methods and handle, become little negative pressure state in the drying chamber all the time, toxic gas in the drying cabinet can not leak outside the drying cabinet, no secondary pollution to the environment, good machine corrosion resistance, even hot air and high drying efficiency.

The utility model aims at realizing according to the following technical scheme: the small sludge harmless dryer consists of a spiral extruder, a drying screen, a drying box, a dehumidifying heat pump, a tail gas discharge pipe, a fan and a deodorizing filter, wherein the spiral extruder and a drying host are separately installed, the spiral extruder extrudes sludge into strips in a pressure mode, the strips of sludge are loaded into the drying screen, the drying box is of a square sealing structure, the periphery of the drying box is provided with a heat preservation layer, a shelf is placed in the drying box, two sides of the shelf are separated by sealing plates, the region formed by the sealing plates is a drying chamber, the upper side and the lower side of the drying chamber are both provided with holes, the dehumidifying heat pump is installed in the drying box, two sides of the sealing plates are respectively provided with one, an air inlet of the dehumidifying heat pump is communicated with an upper hole of the drying chamber, an air outlet of the dehumidifying heat pump is communicated with a lower hole of the drying chamber, the drying screen is of a square box-, the drying screen is placed on a shelf when dried.

The tail gas discharge pipe is arranged at the top of the drying box and communicated with the inside of the drying box, hot air is pumped out from the tail gas discharge pipe, and the tail gas discharge pipe is connected with an air inlet of the fan.

The air inlet of the deodorizing filter is connected to the air outlet of the fan, and the air outlet of the fan is provided with a valve for adjusting air volume.

The screw extruder comprises gear motor, frame, bearing frame, hank cage shell, spiral hank cage, ejection of compact cutting board, hopper, gear motor installs in the frame, the bearing frame is connected in the frame, hank cage shell is installed the opposite side of bearing frame, spiral hank cage is installed in the hank cage shell, install the bearing on the spiral hank cage, the bearing is installed on the bearing frame, spiral hank cage with gear motor's output shaft links to each other, transmits power, the hopper is trapezoidal bucket column structure, the hopper is installed on the hank cage shell, is located this one side of bearing frame the opposite side installation of hank cage shell ejection of compact cutting board can be dismantled, processing has a plurality of holes of evenly distributed on the ejection of compact cutting board, spiral hank cage is double helix structure.

When the drying device works, sludge to be dried is poured into a hopper of the spiral extruder, the spiral extruder is started, under the rotating action of the spiral stranding cage, the sludge is conveyed forwards and extruded out of holes of the discharging cutter plate to form a strip shape, the strip shape falls into the drying sieve below the drying sieve, a plurality of drying sieves are placed on a shelf in a drying box, a dehumidifying heat pump is started to dry the sludge, air is heated by the dehumidifying heat pump and then flows into the drying chamber from the bottom of the drying chamber to heat the sludge, the air temperature is reduced, the air flows into an air inlet of the dehumidifying heat pump from the top of the drying chamber to circularly heat the air, in order to keep a certain negative pressure in the drying box, odor is not leaked out, redundant hot air needs to be pumped out, the fan is opened, a valve at the air outlet of the fan is adjusted, the air quantity is adjusted, and the pumped hot air enters the deodorizing filter to be treated, clean air without odor is discharged.

By adopting the technical scheme, the small sludge harmless dryer utilizes the waste heat in the sludge drying process, is recycled, saves energy consumption, removes the odor of the air outside the dryer by the deodorization filter, is in a micro negative pressure state in the drying box, does not leak toxic and odorous gas out of the drying box, is not easy to corrode a dehumidification heat pump and electrical elements, enters air from the two sides of the drying chamber, has good air temperature uniformity, and has the characteristics of no secondary pollution, small equipment floor area, high drying efficiency and energy conservation.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the screw extruder of the present invention.

In figures 1 and 2: 1. the device comprises a spiral extruder, 2, a drying screen, 3, a drying box, 4, a dehumidifying heat pump, 5, a tail gas discharge pipe, 6, a fan, 7, a deodorizing filter, 101, a speed reducing motor, 102, a rack, 103, a bearing seat, 104, a stranding cage shell, 105, a spiral stranding cage, 106, a discharge knife board, 107 and a hopper.

Detailed Description

The small sludge harmless dryer consists of a spiral extruder 1, a drying screen 2, a drying box 3, a dehumidifying heat pump 4, a tail gas discharge pipe 5, a fan 6 and a deodorizing filter 7, wherein the spiral extruder 1 and a drying host are separately installed, the spiral extruder 1 extrudes sludge into strips in a pressure mode, the strips of sludge are loaded into the drying screen 2, the drying box 3 is of a square sealing structure, a heat insulation layer is arranged on the periphery of the drying box, a shelf is placed in the drying box 3, two sides of the shelf are separated by sealing plates, the sealing plates are separated into areas which are drying chambers, holes are processed on the upper side and the lower side of each drying chamber, the dehumidifying heat pump 4 is installed in the drying box 3, one is respectively installed on each side of each sealing plate, an air inlet of the dehumidifying heat pump 4 is communicated with an upper hole of each drying chamber, and an air outlet of the dehumidifying heat pump 4 is communicated with a lower hole of, the drying screen 2 is of a square box-shaped structure, the bottom of the drying screen is of a porous structure, and the drying screen 2 is placed on a shelf during drying.

The tail gas discharge pipe 5 is arranged at the top of the drying box 3 and communicated with the inside of the drying box 3, hot air is pumped out from the tail gas discharge pipe 5, and the tail gas discharge pipe 5 is connected with an air inlet of the fan 6.

The air inlet of the deodorizing filter 7 is connected to the air outlet of the fan 6, a valve for adjusting air volume is installed at the air outlet of the fan 6, the fan 6 is installed at the top of the drying box 3, and the deodorizing filter 7 is installed at the top of the drying box 3.

The screw extruder 1 comprises a speed reducing motor 101, a rack 102, a bearing seat 103, a stranding cage shell 104, a screw stranding cage 105, a discharging knife board 106 and a hopper 107, wherein the speed reducing motor 101 is installed on the rack 102, the bearing seat 103 is connected on the rack 102, the stranding cage shell 104 is installed on the other side of the bearing seat 103, the screw stranding cage 105 is installed in the stranding cage shell 104, a bearing is installed on the screw stranding cage 105, the bearing is installed on the bearing seat 103, the screw stranding cage 105 is connected with an output shaft of the speed reducing motor 101 to transmit power, the hopper 107 is of a trapezoidal hopper-shaped structure, the hopper 107 is installed on the stranding cage shell 104 and is positioned on one side of the bearing seat 103, the discharging knife board 106 is installed on the other side of the stranding cage shell 104 and can be detached, and a plurality of holes are uniformly distributed on the discharging knife board 106, the spiral stranding cage 105 is a double spiral structure.

When the drying device works, sludge to be dried is poured into a hopper 107 of the screw extruder 1, the screw extruder 1 is started, the sludge is conveyed forwards under the rotation action of the screw stranding cage 105, extruded out of holes of the discharging cutter plate 106 to form a strip shape and falls into the drying screen 2 below, a plurality of drying screens 2 are placed on a shelf in the drying box 3, the dehumidifying heat pump 4 is started to dry the sludge, air flows into the drying chamber from the bottom of the drying chamber after being heated by the dehumidifying heat pump 4 to heat the sludge, the temperature of the air is reduced, the air flows into an air inlet of the dehumidifying heat pump 4 from the top of the drying chamber to circularly heat the air, in order to keep a certain negative pressure in the drying box 3 and prevent odor from leaking, redundant hot air needs to be pumped out, the fan 6 is opened, and a valve at an air outlet of the fan 6 is adjusted, the air volume is adjusted, the extracted hot air enters the deodorizing filter 7 for treatment, and odorless clean air is discharged.

The above description is the preferred function implementation of the present invention, and is not intended to limit the present invention, and any modification and equivalent replacement and improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Small-size mud innocent treatment desiccator comprises screw extruder, drier sieve, drying cabinet, dehumidification heat pump, tail gas discharge pipe, fan, deodorizing filter, characterized by: the drying screen is characterized in that the spiral extruder and the drying host are installed separately, the spiral extruder extrudes sludge into strips in a pressure mode, the strip sludge is loaded into the drying screen, the drying box is of a square sealing structure, a heat insulation layer is arranged on the periphery of the drying box, a shelf is placed in the drying box, two sides of the shelf are separated by sealing plates, the sealing plates are separated into areas which are drying chambers, holes are machined in the upper side and the lower side of each drying chamber, the dehumidifying heat pump is installed in the drying box, one sealing plate is installed on each of two sides of the sealing plate, an air inlet of the dehumidifying heat pump is communicated with the upper holes of the drying chamber, an air outlet of the dehumidifying heat pump is communicated with lower holes of the drying chamber, the drying screen is of a square box-shaped structure, the bottom of the drying screen is of a.

2. The small sludge harmless dryer according to claim 1, wherein: the tail gas discharge pipe is arranged at the top of the drying box and communicated with the inside of the drying box, hot air is pumped out from the tail gas discharge pipe, and the tail gas discharge pipe is connected with an air inlet of the fan.

3. The small sludge harmless dryer according to claim 1, wherein: the air inlet of the deodorizing filter is connected to the air outlet of the fan, and the air outlet of the fan is provided with a valve for adjusting air volume.

4. The small sludge harmless dryer according to claim 1, wherein: the screw extruder comprises gear motor, frame, bearing frame, hank cage shell, spiral hank cage, ejection of compact cutting board, hopper, gear motor installs in the frame, the bearing frame is connected in the frame, hank cage shell is installed the opposite side of bearing frame, spiral hank cage is installed in the hank cage shell, install the bearing on the spiral hank cage, the bearing is installed on the bearing frame, spiral hank cage with gear motor's output shaft links to each other, transmits power, the hopper is trapezoidal bucket column structure, the hopper is installed on the hank cage shell, is located this one side of bearing frame the opposite side installation of hank cage shell ejection of compact cutting board can be dismantled, processing has a plurality of holes of evenly distributed on the ejection of compact cutting board, spiral hank cage is double helix structure.