CN215447330U

CN215447330U - Energy-saving mud drying equipment

Info

Publication number: CN215447330U
Application number: CN202122202079.4U
Authority: CN
Inventors: 罗嘉熙
Original assignee: Luo Jiaxi
Current assignee: Luo Jiaxi
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-07
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to the technical field of ceramic pug drying, in particular to energy-saving pug drying equipment; the drying box comprises n drying units which are sequentially stacked from bottom to top; the lower part of each drying unit is at least provided with 1 air inlet branch pipe, and the upper part of each drying unit is at least provided with 1 air exhaust branch pipe; the air inlet branch pipe is connected with the main air inlet pipe, and the air exhaust branch pipe is connected with the main air exhaust pipe; the middle part of an exhaust branch pipe of the mth layer of drying unit from bottom to top is communicated with an intake branch pipe of the (n-m +1) th layer of drying unit through a circulating pipeline; an axial flow fan is arranged at the middle lower part of the circulating pipeline; through setting up circulating line, send the hot-blast of higher temperature in the bottom drying unit, humidity is lower to the upper strata drying unit in and recycle to the hot-blast quilt make full use of that uses in the drying reaches the purpose of practicing thrift the energy consumption.

Description

Energy-saving mud drying equipment

Technical Field

The utility model relates to the technical field of ceramic pug drying, in particular to energy-saving pug drying equipment.

Background

The basic structure of the existing mud material drying equipment comprises a drying box body, wherein more than one conveying belt is arranged in the drying box body and is communicated with the drying box body through a hot air pipe and an exhaust pipe. The hot air pipe inputs dry hot air into the drying box body, and the exhaust pipe extracts wet hot air with lower temperature and higher humidity in the drying box body.

For vertical mud material drying equipment, the height of a drying box body is often as high as 10 m-30 m, and the air inlet mode of the existing hot air pipe and the air exhaust mode of the existing exhaust pipe are mainly as follows:

firstly, hot air is fed from the lower part of the drying box body, and exhausted from the top. The problem that this kind of mode exists is that the density of damp and hot wind is great, often piles up in the bottom easily, and the height of drying cabinet is higher, therefore the damp and hot wind is difficult for discharging from the air exit at top, and the effect of airing exhaust is not good promptly.

Secondly, air is supplied from one side of the drying box body, and air is discharged from the other side. The problem that exists in this kind of mode is that after the dry hot-blast gets into the drying cabinet, the discharge is utilized to the undermost, leads to the heat of hot-blast not fully to be utilized.

SUMMERY OF THE UTILITY MODEL

The utility model provides energy-saving mud material drying equipment for solving the problem that hot air for drying is not fully and reasonably utilized in the existing mud material drying equipment.

In order to achieve the functions, the technical scheme provided by the utility model is as follows:

an energy-saving mud material drying device comprises a drying box body, a main air inlet pipe and a main air exhaust pipe, wherein the drying box body comprises n drying units which are sequentially stacked from bottom to top, wherein n is a positive integer not less than 3;

the lower part of each drying unit is at least provided with 1 air inlet branch pipe, and the upper part of each drying unit is at least provided with 1 air exhaust branch pipe;

the air inlet branch pipe is connected with the main air inlet pipe, and the air exhaust branch pipe is connected with the main air exhaust pipe;

the middle part of an exhaust branch pipe of the mth layer of drying unit from bottom to top is communicated with an intake branch pipe of the (n-m +1) th layer of drying unit through a circulating pipeline; wherein m is a positive integer less than n/2;

and an axial flow fan is arranged at the middle lower part of the circulating pipeline.

Preferably, the lower part of each drying unit is provided with 2 air inlet branch pipes, and the upper part is provided with 2 air exhaust branch pipes;

the 2 air inlet branch pipes and the 2 air exhaust branch pipes are respectively arranged in front-back symmetry.

Preferably, a fan a is arranged between the air inlet branch pipe and the main air inlet pipe.

Preferably, a fan B is disposed between the exhaust branch pipe and the main exhaust pipe.

Preferably, an air volume adjusting valve A is arranged at the position, close to the main air inlet pipe, of the air inlet branch pipe.

Preferably, the exhaust branch pipe is provided with an air volume adjusting valve B near the main exhaust pipe.

Preferably, the exhaust flow rate of the main exhaust pipe is greater than the intake flow rate of the main air inlet pipe.

Preferably, the air inlet branch pipe and the air exhaust branch pipe are respectively and uniformly provided with a plurality of air equalizing openings, and the air equalizing openings are flat integrally.

The utility model has the beneficial effects that: through setting up circulating line, send the hot-blast of higher temperature in the bottom drying unit, humidity is lower to the upper strata drying unit in and recycle to the hot-blast quilt make full use of that uses in the drying reaches the purpose of practicing thrift the energy consumption.

Drawings

FIG. 1 is a schematic diagram of a drying unit;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

fig. 4 is a cross-sectional view of fig. 2.

Detailed Description

The utility model will be further elucidated with reference to the accompanying figures 1 to 4:

an energy-saving type mud material drying device as shown in fig. 2 and 3 comprises a drying box body 100, a main air inlet pipe 2 and a main air exhaust pipe 3. The drying cabinet 100 includes n drying units 1 stacked in sequence from bottom to top, in this embodiment, 8 drying units 1 are provided, the number of drying units 1 can be set according to actual needs, and generally speaking, in order to achieve better drying effect, the number of drying units 1 is not less than 3.

As shown in fig. 1, each drying unit 1 includes a

cabinet

11 and 6 conveyor belts 13, and the conveyor belts 13 are driven to rotate by a motor and driving and driven wheels, etc., which are conventional and will not be described in detail. The conveyer belt 13 is arranged in the box body 11 from top to bottom in sequence, one end of the conveyer belt 13 is a feeding end 131, and the other end is a blanking end 132; the top of the box body 11 is provided with a feeding hole 111, the bottom of the box body is provided with a discharging hole 112, the feeding hole 111 is arranged right above the feeding end 131 of the uppermost conveying belt 13, and the discharging hole 112 is arranged right below the blanking end 132 of the bottommost conveying belt 13; after a plurality of drying units 1 are stacked, in two adjacent drying units 1, the discharge port 112 of the drying unit 1 located above is exactly aligned with the feed port 111 of the drying unit 1 located below. The pug to be dried is sent layer by layer from the uppermost drying unit 1 of the equipment to the lowermost drying unit 1 along the conveyer belt 13 in the drying unit 1, and the pug is gradually dried by hot air in the process of conveying. The drying cabinet 100 is provided with the plurality of drying units 1 in order to divide a large space of the drying cabinet 100 into relatively independent small spaces of the plurality of drying units 1, so that the flow direction of hot air in the drying units 1 is easily guided, and the hot air can sufficiently flow.

As shown in fig. 2 and 3, the main air inlet pipe 2 and the main air outlet pipe 3 are vertically and fixedly arranged on the side of the drying box body. The lower part of each drying unit 1 is at least provided with 1 air inlet branch pipe 21, and the upper part is at least provided with 1 air exhaust branch pipe 31; the air intake branch pipe 21 is connected with the main air intake pipe 2, and the exhaust branch pipe 31 is connected with the main exhaust pipe 3. In this embodiment, the lower part of each drying unit 1 is provided with 2 air inlet branch pipes 21, and the upper part is provided with 2 air exhaust branch pipes 31; the 2 air inlet branch pipes 21 and the 2 air outlet branch pipes 31 are respectively arranged in front-back symmetry.

The number of the main air inlet pipes 2 is 2, the main air inlet pipes are arranged on the left side of the equipment in a front-back parallel mode, and the lower end of each main air inlet pipe 2 is provided with an air inlet 24 and is connected with an external hot air conveying pipeline through the air inlet 24. The 2 main air inlet pipes 2 are respectively connected with the air inlet branch pipes 21 positioned on the same side, and the air inlet branch pipes 21 are provided with a fan A22 and an air quantity regulating valve A23 at positions close to the main air inlet pipes 2. The air speed and the air volume entering the drying unit 1 are adjusted by the fan A22 and the air volume adjusting valve A23.

The main exhaust duct 3 has 2 air outlets, the front and the back are arranged on the right side of the equipment in parallel, the lower end of the main exhaust duct 3 is provided with an air outlet 32, and the air outlet 32 is connected with an external air exhaust conveying pipeline. The 2 main exhaust ducts 3 are respectively connected with exhaust branch ducts 31 positioned at the same side, and a fan B33 and an air quantity regulating valve B34 are arranged at the positions of the exhaust branch ducts 31 close to the main exhaust ducts 3. The wind speed and the wind amount drawn from the inside of the drying unit 1 are adjusted by the fan B33 and the wind amount adjusting valve B34.

The air inlet branch pipe 21 and the air exhaust branch pipe 31 are respectively and uniformly provided with a plurality of air equalizing ports 231, the air equalizing ports 231 are flat or fan-shaped integrally, and air inlet or air exhaust is uniform and soft through the air equalizing ports 231 so as to reduce disturbance to powder in the drying unit 1.

The middle part of an exhaust branch pipe 31 of the mth layer drying unit 1 from bottom to top is communicated with an intake branch pipe 21 of the (n-m +1) th layer drying unit 1 through a circulating pipeline 4, and the middle lower part of the circulating pipeline 4 is provided with an axial flow fan 5; wherein m is a positive integer less than n/2. In the present embodiment, the exhaust branch pipes 31 of the drying units 1 of the 1 st, 2 nd and 3 rd floors are respectively communicated with the intake branch pipes 21 of the drying units 1 of the 8 th, 7 th and 6 th floors through the circulating pipelines 4. The temperature and humidity of the hot air in the middle two layers, namely the 4 th layer drying unit 1 and the 5 th layer drying unit 1 are relatively close, and circulation is not performed. When ceramic pug just enters the equipment for treatment, the water content of the ceramic pug is highest, and the temperature of the ceramic pug is lowest, so that the temperature of hot air in the drying units 1 from the 8 th layer to the 1 st layer is gradually increased, and the humidity is gradually decreased. High temperature and low humidity in the low-layer drying unit 1 are pumped to the high-layer drying unit 1 through the circulating pipeline 4 for reuse, so that the purposes of energy conservation and emission reduction are achieved.

As shown in fig. 4, an outer cover 6 is further disposed outside the drying cabinet 100, the outer cover 6 covers the outside of the drying cabinet 100, and the outer surfaces of the stacked drying cabinets 1 form an inner cover. An accommodating space is formed between the outer cover 6 and the drying box body 100 to form an isolation layer 200; the main air inlet pipe 2 and the main air outlet pipe 3 are disposed in the isolation layer 200, and it should be noted that in order to represent components inside the enclosure, the enclosure is not shown in fig. 2 and 3, and components such as a conveyor belt irrelevant to the innovation point of the present invention are omitted in fig. 4.

The isolation layer 200 is also at least provided with 1 recovery pipeline 7; in this embodiment, the number of the recovery pipeline 7 is 2, and the recovery pipeline is respectively fixed at the left and right sides of the equipment vertically, the top of the recovery pipeline 7 is provided with a fan C8, the bottom is closed, the pipe body is provided with a plurality of recovery branch pipes 71, and the openings of the recovery branch pipes 71 are arranged in the drying box 100. The air in the isolation layer 200 and the hot air in each drying unit 1 are subjected to heat exchange through metal parts on the surface of the drying unit 1, so that the air in the isolation layer 200 is hot air with high temperature and low humidity, and the hot air is introduced into the drying unit 1 through the recovery pipeline 7 for reuse. By arranging the recovery pipeline 7, on one hand, the flow of hot air in the drying unit 1 is accelerated, and the aim of improving the drying efficiency is fulfilled; on the other hand, negative pressure is formed in the isolation layer 200, preventing dust entering the isolation layer 200 from escaping to the workshop.

The above-described embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles of the utility model described in the claims should be included in the claims.

Claims

1. The utility model provides an energy-saving pug drying equipment, includes dry box, main air-supply line and main exhaust column, its characterized in that: the drying box body comprises n drying units which are sequentially stacked from bottom to top, wherein n is a positive integer not less than 3;

2. The energy-saving sludge drying apparatus as claimed in claim 1, wherein: the lower part of each drying unit is provided with 2 air inlet branch pipes, and the upper part is provided with 2 air exhaust branch pipes;

3. The energy-saving sludge drying apparatus as claimed in claim 1 or 2, wherein: a fan A is arranged between the air inlet branch pipe and the main air inlet pipe.

4. The energy-saving sludge drying apparatus as claimed in claim 1 or 2, wherein: and a fan B is arranged between the exhaust branch pipe and the main exhaust pipe.

5. The energy-saving sludge drying apparatus as claimed in claim 3, wherein: and an air volume adjusting valve A is arranged at the position, close to the main air inlet pipe, of the air inlet branch pipe.

6. The energy-saving sludge drying apparatus as claimed in claim 4, wherein: and an air volume adjusting valve B is arranged at the position, close to the main exhaust pipe, of the exhaust branch pipe.

7. The energy-saving sludge drying apparatus as claimed in claim 5 or 6, wherein: the air exhaust flow of the main air exhaust pipe is larger than the air inlet flow of the main air inlet pipe.

8. The energy-saving sludge drying apparatus as claimed in claim 5 or 6, wherein: the air inlet branch pipe and the air exhaust branch pipe are respectively and uniformly provided with a plurality of air equalizing ports, and the air equalizing ports are flat integrally.