CN214383752U

CN214383752U - Multistage sludge drying device of modularization

Info

Publication number: CN214383752U
Application number: CN202022886674.XU
Authority: CN
Inventors: 吕端生; 陈志慧
Original assignee: Harbin Huawei Heavy Industry Co ltd
Current assignee: Harbin Huawei Heavy Industry Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-10-12
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to a multistage sludge drying device of modularization belongs to the sludge drying field, is to the integrated configuration sludge drying device bring untimely the proposition when maintaining, and it includes: device casing and a plurality of module drying chamber, a plurality of module drying chambers that vertically set up are installed in the device casing through the slide respectively, the module drying chamber includes the box, conveyer belt conveying mechanism and driving motor, be equipped with the slider that uses with the slide cooperation on the outer wall of box, roof and the diapire at the box are equipped with feed inlet and discharge gate respectively, be equipped with the air inlet by the feed inlet of first order box, be equipped with the gas outlet by the discharge gate of last stage box, feed inlet and discharge gate are located the both sides of box perpendicular bisector, and the discharge gate that is located higher level module drying chamber is corresponding with the feed inlet of adjacent subordinate's module drying chamber, adjacent two-stage conveyer belt conveying mechanism's traffic direction is opposite. The utility model discloses a multistage modular design has improved the work efficiency when reforming transform the maintenance, reduces the maintenance cost.

Description

Multistage sludge drying device of modularization

The technical field is as follows:

the utility model belongs to the technical field of sludge drying, concretely relates to multistage sludge drying device of modularization.

Background art:

at present, the treatment modes of the sludge mainly comprise methods of landfill, composting, incineration and the like, and the sludge incineration has the remarkable advantages of reduction, harmlessness and recycling and is widely applied in the world, but the sludge has the characteristics of low calorific value, large moisture content and the like, and the sludge is difficult to be directly ignited or stably combusted. Therefore, drying treatment is needed before incineration of sludge, and the conventional multistage sludge drying device is usually in an integrated structure form, so that the occupied area is large, and the operation stages cannot be increased or decreased according to actual operation needs. In addition, in the process of drying the sludge, all parts in the drying device are in direct contact with media such as circulating air and saturated steam for a long time, so that metal corrosion of all parts is caused, the metal corrosion can cause the abnormality of equipment operation, regular maintenance and replacement are needed, the maintenance and transformation difficulty of the drying device with an integrated structure in the later stage of the equipment is increased, and the maintenance time is long and the economic cost is high.

The utility model has the following contents:

the utility model discloses an overcome the defect that current integrated structure sludge drying device brought when later maintenance, provide a multistage sludge drying device of modularization, through the design of multistage modularization, improved the work efficiency of device when later stage is reformed transform and the equipment maintenance, reduced the maintenance cost of equipment.

The utility model discloses a technical scheme lie in: a modular multistage sludge drying apparatus comprising: the device comprises a device shell and a plurality of stages of module drying chambers longitudinally arranged in the device shell, wherein each stage of module drying chamber is respectively installed in the device shell through a slide way, the slide ways are symmetrically arranged on two sides of the inner wall of the device shell, each module drying chamber comprises a box body, a conveyor belt conveying mechanism and a driving motor, a slide block matched with the slide way is arranged on the outer wall of the box body, a feed port and a discharge port which are communicated with the inside of the box body are respectively arranged on the top wall and the bottom wall of the box body, an air inlet is arranged beside the feed port of the first stage of box body, an air outlet is arranged beside the discharge port of the last stage of box body, the feed port and the discharge port are respectively positioned on two sides of a perpendicular bisector of the box body, the discharge port of the upper stage module drying chamber corresponds to the feed port of the adjacent lower stage module drying chamber, and the running directions of the adjacent two stages of conveyor belts conveying mechanisms are opposite; the conveying belt conveying mechanism is horizontally arranged in the box body along the length direction of the box body; the driving motor is used for driving the conveyor belt conveying mechanism to move.

Preferably, the sliding block is T-shaped, and the sliding way is concave matched with the sliding block in shape.

Preferably, a mud scraper for scraping the conveying belt conveying mechanism is further arranged in the box body and close to the discharge port.

Preferably, conveyer belt conveying mechanism is replaced by chain formula conveying mechanism, chain formula conveying mechanism includes sprocket, chain, layer board, the sprocket is four, sets up in every module drying chamber through support rectangular array respectively, the chain is two, overlaps respectively to be established on two sets of sprockets, and the length direction parallel arrangement of box is followed respectively to two chains, the layer board is located between two chains, and one side of layer board rotates and installs on two chains.

Preferably, the conveyor belt conveying mechanism is replaced by an auger conveying mechanism.

The utility model has the advantages that:

1. the utility model discloses a drying device comprises multistage modularization drying chamber, connects the installation that makes the modularization drying chamber of mutual intercommunication and dismantles through the slide and become easier, through changing single-stage modularization drying chamber, makes installation, the maintenance in later stage become more convenient, has improved the holistic maintenance efficiency of drying device, has reduced the change time, has reduced the maintenance cost that has to change whole equipment and cause because of partial equipment damages.

2. The utility model discloses a can adopt multiple transport structure in the modularization drying chamber, have the wide characteristics of application scope.

Description of the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of the structure of the housing of the device of FIG. 1;

FIG. 4 is a schematic structural view of embodiment 2;

FIG. 5 is a schematic structural view of example 3;

wherein: the device comprises a device shell 1, a slideway 11, a module drying chamber 2, a box 21, a feed inlet 211, a discharge outlet 212, an air inlet 213, an air outlet 214, a conveyor belt conveying mechanism 22, a driving motor 23, a slide block 24, a mud scraper 3, a chain conveying mechanism 4, a chain wheel 41, a chain 42, a supporting plate 43 and an auger conveying mechanism 5.

The specific implementation mode is as follows:

example 1

As shown in fig. 1 to 3, the utility model relates to a multistage sludge drying device of modularization, include: a device housing 1 and a plurality of stages of module drying chambers 2 arranged longitudinally within the device housing 1.

The device shell 1 is of a hollow structure, and the two sides of the device shell are detachable side walls. The device comprises a device shell 1 and a module drying chamber 2, wherein a plurality of groups of slideways 11 are longitudinally arranged on two sides of the inner wall of the device shell 1, each group of slideways 11 comprises two symmetrically arranged slideways, and the slideways 11 are used for fixedly connecting the device shell 1 and the module drying chamber 2.

The module drying chamber 2 can be vertically arranged into multiple stages, each stage of module drying chamber 2 is an independent conveying mechanism and a drying chamber, the module drying chamber 2 comprises a box body 21, a conveyor belt conveying mechanism 22 and a driving motor 23, the box body 21 is rectangular, a sliding block 24 matched with the slide rail 11 for use is arranged on the outer wall of the box body 21, a feed inlet 211 and a discharge outlet 212 communicated with the inside are respectively arranged on the top wall and the bottom wall of the box body 21, an air inlet 213 is arranged beside the feed inlet 211 of the first stage box body, an air outlet 214 is arranged beside the discharge outlet 212 of the last stage box body, flange connection discs are respectively arranged on the edges of the feed inlet 211 and the discharge outlet 212, the feed inlet 211 and the discharge outlet 212 are respectively positioned on two sides of a perpendicular bisector of the box body 21, when the module drying chambers 2 are arranged in a stacked manner, the discharge outlet 212 of the module drying chamber 2 positioned on the upper stage corresponds to the feed inlet 211 of the adjacent module drying chamber 2, and so on. The air inlet 213 is used to introduce the high temperature gas into the module drying chamber 2, and after the high temperature gas enters the first-stage box body, the high temperature gas moves in the same direction with the material and is finally discharged out of the device housing 1 from the air outlet 214 located in the last-stage box body.

The conveyor belt conveying mechanisms 22 are horizontally arranged in the box body 21 along the length direction of the box body 21, and the running directions of the adjacent two stages of conveyor belt conveying mechanisms 22 are opposite. Conveyer belt conveying mechanism 22 includes the action wheel, follows driving wheel and hold-in range, and the action wheel is fixed on the inner wall of box 21 through the support respectively with following the driving wheel, the hold-in range cover is established between action wheel and the follow driving wheel, driving motor 23 is connected with the action wheel through the speed reducer for drive hold-in range moves in box 21.

Further, in order to improve the stability of the module drying chamber 2 installed on the device housing 1, the slider 24 is designed to be T-shaped, the slide way 11 is a concave shape matched with the slider 24, and an anti-dropping bolt is arranged at an inlet of the slide way 11, so that the installed module drying chamber 2 cannot generate displacement on the device housing 1 when in operation.

Further, in order to prevent the wet sludge fed from the feed inlet 211 to the belt conveyor 22 from being discharged at the discharge outlet 212, a scraper 3 is further provided at the discharge outlet 212, and the scraper 3 scrapes the timing belt after the discharge.

The mud scraping plate 3 is vertically arranged in the box body 21 and close to the discharge hole 212, and the top end of the mud scraping plate 3 is arranged in a clearance with the synchronous belt, wherein the clearance is 0.8-1.5 cm. After the synchronous belt dumps the wet sludge from the discharge hole 212, the mud scraping plate 3 scrapes the wet sludge still attached to the synchronous belt, so that the attachment rate of the wet sludge can be effectively reduced.

Example 2

As shown in fig. 4, embodiment 2 differs from embodiment 1 in that the belt conveyor mechanism 22 in embodiment 1 is replaced with a chain conveyor mechanism 4.

Chain formula conveying mechanism 4 includes sprocket 41, chain 42 and layer board 43, sprocket 41 is four, sets up in every module drying chamber 2 through support rectangular array respectively, chain 42 is two, overlaps respectively to be established on two sprocket 41, and two length direction parallel arrangement along box 21 are respectively followed to chain 42, layer board 43 is a plurality of, and horizontal installation is between two chain 42 in proper order, layer board 43 is bearing wet mud to with chain direction of motion synchronous motion, and layer board 43 is located one side rotation of chain 42 advancing direction and is installed on two chain 42, makes things convenient for wet mud in later stage to dump from discharge gate 212 department.

Further, in order to prevent the wet sludge fed from the feeding port 211 to the chain conveyor 4 from being unable to be dumped out at the discharging port 212, a mud scraper 3 is disposed at the discharging port 212.

The mud scraping plate 3 is vertically arranged in the box body 21 and close to the discharge hole 212, and the top end of the mud scraping plate 3 is arranged in a gap with the supporting plate 43, wherein the gap is 0.8-1.5 cm. After the support plate 43 dumps the wet sludge from the discharge port 212, the mud scraper 3 scrapes the wet sludge still attached to the support plate 43, so that the attachment rate of the wet sludge can be effectively reduced.

Example 3

As shown in fig. 5, embodiment 3 differs from

embodiments

1 and 2 in that the conveyor belt conveying mechanism 22 in embodiment 1 is replaced with a auger conveying mechanism 5.

The working process is as follows:

during the installation, will install the removable side wall of 1 both sides of casing earlier and lift off, install module drying chamber 2 in device casing 1 step by step, then, make every higher level discharge gate 212 correspond rather than the feed inlet 211 of the module drying chamber 2 of subordinate that is adjacent to it to fasten with the bolt, finally, fix the anticreep bolt at the entrance of every slide 11, install the removable side wall of 1 both sides of casing of installing, accomplish the equipment promptly.

In use, the conveyor transport mechanism 22 will be described as an example.

After the wet sludge block is crushed, the wet sludge block is thrown into a feeding hole 211 of a first-stage module drying chamber 2 from a device shell 1, at the moment, high-temperature gas enters a box body 21 from an air inlet 213, and the high temperature gas flows along with the wet sludge in the same direction. The charged wet sludge falls onto the conveyor belt conveying mechanism 22, the conveyor belt conveying mechanism 22 conveys the wet sludge to the discharge port 212 of the stage module drying chamber 2, the wet sludge dumped from the discharge port 212 enters the feed port 211 of the lower stage module drying chamber 2, and then the wet sludge moves towards the discharge port 212 of the stage module drying chamber 2 by the conveyor belt conveying mechanism 22 to be pushed in the secondary stage, and finally, the high-temperature gas after heat exchange is changed into low-temperature gas and is discharged out of the device shell 1 from the gas outlet 214 of the last stage box body.

When the module drying chamber 2 of one of the stages needs to be replaced during maintenance, the module drying chamber 2 of the stage only needs to be pulled out from the device shell 1 for replacement.

The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A modular multistage sludge drying apparatus, comprising: device casing (1) and multistage module drying chamber (2) of vertically setting in device casing (1), install in device casing (1) through slide (11) respectively in every level module drying chamber (2), slide (11) symmetry is seted up in the both sides of device casing (1) inner wall, module drying chamber (2) include box (21), conveyer belt conveying mechanism (22) and driving motor (23), be equipped with slider (24) that use with slide (11) cooperation on the outer wall of box (21), be equipped with feed inlet (211) and discharge gate (212) with inside intercommunication respectively at the roof and the diapire of box (21), and be equipped with air inlet (213) by feed inlet (211) of first order box, be equipped with gas outlet (214) by discharge gate (212) of last stage box, feed inlet (211) and discharge gate (212) are located the both sides of box (21) perpendicular bisector respectively, the discharge hole (212) of the module drying chamber (2) positioned at the upper stage corresponds to the feed hole (211) of the module drying chamber (2) positioned at the lower stage, and the running directions of the two adjacent stages of conveyor belt conveying mechanisms (22) are opposite; the conveyor belt conveying mechanism (22) is horizontally arranged in the box body (21) along the length direction of the box body (21); the driving motor (23) is used for driving the conveyor belt conveying mechanism (22) to move.

2. The modular multistage sludge drying apparatus of claim 1, wherein: the sliding block (24) is T-shaped, and the slide way (11) is concave matched with the sliding block (24) in shape.

3. The modular multistage sludge drying apparatus of claim 1 or 2, wherein: a mud scraper (3) for scraping the conveying belt conveying mechanism (22) is also arranged in the box body (21) close to the discharge hole (212).

4. The modular multistage sludge drying apparatus of claim 1 or 2, wherein: conveyer belt conveying mechanism (22) are replaced by chain formula conveying mechanism (4), chain formula conveying mechanism (4) are including sprocket (41), chain (42) and layer board (43), sprocket (41) are four, set up in every module drying chamber (2) through support rectangle array respectively, chain (42) are two, overlap respectively and establish on two sets of sprockets (41), and two length direction parallel arrangement along box (21) respectively in chain (42), layer board (43) are located between two chains (42), and one side rotation of layer board (43) is installed on two chains (42).

5. The modular multistage sludge drying apparatus of claim 1 or 2, wherein: the conveying belt conveying mechanism (22) is replaced by a packing auger conveying mechanism (5).