CN218480837U

CN218480837U - Drying equipment

Info

Publication number: CN218480837U
Application number: CN202222844690.1U
Authority: CN
Inventors: 吴金城; 吴汉城; 吴岸威; 黄侯新
Original assignee: GUANGZHOU KAINENG ELECTRIC EQUIPMENT CO Ltd
Current assignee: GUANGZHOU KAINENG ELECTRIC EQUIPMENT CO Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-14
Anticipated expiration: 2032-10-27

Abstract

A drying device comprises a heat pump system, a filtering system and an oven, wherein the heat pump system is arranged above the oven through a walking platform, and the oven comprises a cylindrical barrel body which is obliquely arranged, a stirring shaft arranged in the barrel body and a driving mechanism which is arranged outside the barrel body and is used for driving the stirring shaft; the heat pump system comprises a plurality of heat pump modules which are arranged side by side along the length direction of the cylinder, each heat pump module comprises a heat pump room, a heat pump host and a fan, the heat pump host and the fan are arranged in the heat pump room, the input end of the fan is in butt joint with the output end of the heat pump host, and the output end of the fan is connected to the side surface of the cylinder through an air supply pipe; the filtering system comprises a cloth bag room and a plurality of cloth bags arranged in the cloth bag room, a partition plate used for separating the cloth bag room from the heat pump room is arranged in the cloth bag room, the open end of each cloth bag is fixed on the partition plate, the barrel is arranged below the cloth bag room, the top of the barrel is provided with a return air inlet, and the opening in the lower portion of the cloth bag room is connected with the return air inlet of the barrel through a return air pipe.

Description

Drying equipment

Technical Field

The utility model relates to a drying equipment, especially heat pump drying equipment.

Background

The drum dryer can solve the problem of material dispersion, for example, the drum dryer disclosed in chinese patent publication No. CN112414042A comprises a frame, a heat pump main unit, a pulse dust removal system and a drum oven, wherein the frame comprises a bearing platform and a support column, the heat pump main unit is arranged on the bearing platform, an accommodating space is formed below the bearing platform, and the drum oven is arranged in the accommodating space; the cylinder oven includes the rotatory section of thick bamboo of cylinder type, the rotatory actuating mechanism of rotatory section of thick bamboo of drive, establish the air inlet connecting pipe in rotatory section of thick bamboo one end and establish the air-out connecting pipe at the rotatory section of thick bamboo other end, rotatory section of thick bamboo is the slope setting, the low side of rotatory section of thick bamboo passes through the air inlet connecting pipe and communicates with the air-out cavity of outer box, the high-end of rotatory section of thick bamboo passes through the air-out connecting pipe and communicates with the return air cavity of outer box, the outer wall of rotatory section of thick bamboo is equipped with the heat preservation, the inner wall of rotatory section of thick bamboo is equipped with turns over the piece of stir-fry. If the roller oven is long, the heat of the air inlet end and the heat of the air outlet end in the roller oven are not uniformly distributed, so that the material is not uniformly dried; the circulating air path of the heat pump module is long, and the energy loss is large; the stroke of the moisture of material evaporation in the cylinder oven is far away, is unfavorable for the discharge dehumidification, and whole dehumidification efficiency is lower.

Disclosure of Invention

The utility model aims to solve the technical problem that a drying equipment is provided, the air supply in the oven is even, and the return air route is short, and whole drying efficiency is high.

In order to solve the technical problem, the technical scheme of the utility model is that: a drying device comprises a heat pump system, a filtering system and an oven, wherein the heat pump system is arranged above the oven through a walking platform, and the oven comprises a cylindrical barrel body which is obliquely arranged, a stirring shaft arranged in the barrel body and a driving mechanism which is arranged outside the barrel body and is used for driving the stirring shaft; the heat pump system comprises a plurality of heat pump modules arranged side by side along the length direction of the barrel, each heat pump module comprises a heat pump room, a heat pump host machine and a fan, the heat pump host machine and the fan are arranged in the heat pump room, the input end of the fan is in butt joint with the output end of the heat pump host machine, and the output end of the fan is connected to the side surface of the barrel through an air supply pipe; the filtering system comprises a cloth bag room and a plurality of cloth bags arranged in the cloth bag room, a partition plate used for separating the cloth bag room from the heat pump room is arranged in the cloth bag room, the opening end of each cloth bag is fixed on the partition plate, the barrel is arranged below the cloth bag room, the top of the barrel is provided with a return air inlet, and the opening at the lower part of the cloth bag room is connected with the return air inlet of the barrel through a return air pipe. The utility model discloses the principle: each heat pump module works independently, and a plurality of heat pump modules arranged side by side can provide a plurality of hot air input points for a long oven, so that the temperature in the oven is ensured to be consistent, and the material drying efficiency is improved; hot air is blown in through the fan, and the drying speed of the materials is higher under the action of the hot air with higher flow speed; the hot air is fed from the side of the oven and then is fed out from the top of the oven, the whole path is shorter, and the exhausted moisture can quickly enter the heat pump module for dehumidification and heating.

As an improvement, the stirring shaft comprises a rotating shaft and a plurality of blades arranged on the rotating shaft, the rotating shaft is coaxial with the barrel, one end of the rotating shaft extends out of the barrel, the driving mechanism comprises a motor and a gear set, and the motor drives the rotating shaft through the gear set.

As an improvement, the blade comprises a connecting rod and a turning plate arranged at the tail end of the connecting rod, the tail end of the turning plate is bent towards the rotating direction, and the bending angle is 95-175 degrees.

As an improvement, the higher end of the barrel is a material input end, the lower end of the barrel is a material output end, the material input end is provided with a crusher and an input screw rod hoister, materials outside the barrel enter the barrel after passing through the crusher and the input screw rod hoister, the material output end is provided with an output screw rod hoister, and materials in the barrel are sent out of the barrel through the output screw rod hoister.

As an improvement, the output end of the fan is connected with two blast pipes, wherein one blast pipe points to the middle position in the cylinder, and the other blast pipe points to the bottom position in the cylinder.

As an improvement, one end of the blast pipe is provided with a check valve.

As an improvement, the fan is arranged below the walking board.

As an improvement, the air return inlet is arranged along the length direction of the barrel body, the air return pipe is funnel-shaped, and the lower end opening of the air return pipe is smaller than the upper end opening.

As an improvement, the filtering system also comprises a pulse dust removal system matched with the cloth bag.

Compared with the prior art, the utility model the beneficial effect who brings is:

each heat pump module works independently, and a plurality of heat pump modules arranged side by side can provide a plurality of hot air input points for a long oven, so that the temperature in the oven is ensured to be consistent, and the material drying efficiency is improved; hot air is blown in through the fan, and the drying speed of the materials is higher under the action of the hot air with higher flow speed; the hot air is fed from the side of the oven and then is fed out from the top of the oven, the whole path is shorter, and the exhausted moisture can quickly enter the heat pump module for dehumidification and heating.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an end view of the present invention.

Fig. 3 is a schematic view of the circulation air path of the present invention.

Fig. 4 is a schematic view of an oven.

FIG. 5 is a schematic view of a blade.

Detailed Description

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

As shown in fig. 1 and 2, a drying apparatus includes a heat pump system 1, a filtering system and an oven; the heat pump system 1 is arranged above the oven through the walking platform 8, the oven can be arranged in the pit, so that the height of the walking platform 8 is reduced, and meanwhile, the pit can play a role in keeping warm for the oven.

As shown in fig. 4, the oven includes a cylindrical and obliquely disposed barrel 3, a stirring shaft 31 disposed in the barrel 3, and a driving mechanism 4 disposed outside the barrel 3 and used for driving the stirring shaft 31. The bottom of the cylinder 3 is provided with a plurality of supporting seats, the cylinder 3 is fixed by the supporting seats, the inclination angle of the cylinder 3 is approximately 2 to 8 degrees, and the inclination angle is matched with the rotation speed of the stirring shaft 31 and the length of the cylinder 3 according to requirements, so that the output speed of the material is controlled, and the drying degree of the material is controlled conveniently. (mixing) shaft 31 includes pivot and a plurality of blade of establishing in the pivot, the pivot is coaxial with barrel 3, and outside the one end of pivot stretched out barrel 3, actuating mechanism 4 includes motor 41 and gear train 42, motor 41 passes through gear train 42 drive (mixing) shaft 31, and the pivot drives the blade, and the blade can turn over the material of stir-fry barrel 3 in, and the material is being carried turning over the in-process of stir-fry, and can make the material become loose, increases the area of contact of material and steam, improves drying efficiency. As shown in fig. 5, the blade includes a connecting rod 32 and a stirring plate 33 arranged at the end of the connecting rod 32, the end of the stirring plate 33 is bent towards the rotating direction, the bending angle a is 95 to 175 °, preferably 100 to 145 °, when the stirring plate 33 rotates to the bottom, the material can be scooped up by bending the end, the material on the stirring plate 33 gradually drops along with the change of the rotating angle of the stirring plate 33, and the drying speed is accelerated in the process of slowly dropping the material.

The higher one end of barrel 3 is the material input end, and the lower one end of barrel 3 is the material output end, and the material input end is equipped with breaker and input screw rod lifting machine, and the material outside barrel 3 gets into barrel 3 behind breaker and the input screw rod lifting machine, and the material output end is equipped with the output screw rod lifting machine, and the material in barrel 3 sees off barrel 3 through the output screw rod lifting machine. The material is crushed by the crusher, the crushed material is convenient to convey by the screw elevator, and after the material enters the barrel 3, the contact area between the crushed material and hot air is larger, and the drying efficiency is higher; in addition, the conveying speed of the materials can be changed through the speed of the screw rod hoister, and a full-automatic production line convenient to control is formed.

As shown in fig. 2 and 3, the heat pump system 1 includes a plurality of heat pump modules 11 arranged side by side along the length direction of the barrel 3, and each heat pump module 11 is provided with a control box, which can be independently controlled, i.e. the parameters such as the temperature, the air volume, the conveying time and the like of hot air at each position in the oven can be controlled according to the requirement. The heat pump module 11 comprises a heat pump room 111, a heat pump host arranged in the heat pump room 111 and a fan 2; the heat pump main machine mainly comprises a compressor, a condenser, an expansion valve and an evaporator, wherein the condenser is used for heating air, the evaporator is used for dehumidifying, and the heat pump dehumidifying principle is the prior art and is not described in detail. The input of fan 2 docks with the output of heat pump host computer, and fan 2 docks through the output of bellows with the heat pump host computer, makes fan 2 can establish in the below of walking the platform, and so, the more convenient maintenance in fan 2's position. The output end of the fan 2 is connected to the side surface of the barrel 3 through the air supply pipe 9, in this embodiment, the output end of the fan 2 is connected with two air supply pipes 9, one air supply pipe 9 points to the middle position in the barrel 3, and can blow and dry the materials falling from the stir-frying plate 33, and the other air supply pipe 9 points to the bottom position in the barrel 3, and can blow and dry the materials at the bottom; one end of the blast pipe 9 is provided with a check valve, and after the fan 2 is closed, the check valve is closed, so that dust in the barrel 3 is prevented from entering the heat pump host machine through a pipeline of the fan 2.

As shown in fig. 3, the filtering system comprises a cloth bag house 5 and a plurality of cloth bags 7 arranged in the cloth bag house 5. The cloth bag house 5 is tightly attached to one side of the heat pump house 111, the upper end of the cloth bag house 5 is communicated with the upper end of the heat pump house 111, a partition plate 10 used for separating the cloth bag house 5 from the heat pump house 111 is arranged in the cloth bag house 5, the cloth bag 7 is in a long strip shape, the cloth bag 7 is vertically arranged, the opening end of the cloth bag 7 is fixed on the partition plate 10, return air from the oven firstly enters the cloth bag house 5, is filtered by the cloth bag 7 and enters the heat pump house 111 from the opening of the cloth bag 7, and then is heated and dehumidified by the heat pump host machine and then is sent into the oven through the fan 2, so that a circulating air path is formed. The barrel 3 is arranged below the cloth bag house 5, the top of the barrel 3 is provided with an air return port, and an opening at the lower part of the cloth bag house 5 is connected with the air return port of the barrel 3 through an air return pipe 6; the return air inlet is arranged along the length direction of the barrel 3, the return air pipe 6 is funnel-shaped, the lower end opening of the return air pipe 6 is smaller than the upper end opening, the return air inlet of the embodiment is larger, the larger the return air inlet is, the smaller the air speed is, and the dust brought out by the return air process can be reduced. The filtering system further comprises a pulse dust removal system matched with the cloth bag, the pulse dust removal system comprises a high-pressure air source, a high-pressure pipeline and high-pressure air nozzles, the high-pressure air nozzles correspond to the cloth bag one to one, and the cloth bag is subjected to dust removal through high-pressure pulse gas.

The utility model discloses the principle: each heat pump module 11 works independently, and a plurality of heat pump modules 11 arranged side by side can provide a plurality of hot air input points for a long oven, so that the temperature in the oven is ensured to be consistent, and the material drying efficiency is improved; hot air is blown in through the fan 2, and the drying speed of the materials is higher under the action of the hot air with higher flow speed; the hot air is fed from the side of the oven and then from the top of the oven, the whole path is shorter, and the exhausted moisture can quickly enter the heat pump module 11 for dehumidification and heating.

Claims

1. The utility model provides a drying equipment, includes heat pump system, filtration system and oven, heat pump system establishes the top at the oven through walking the platform, its characterized in that: the oven comprises a cylindrical barrel body which is obliquely arranged, a stirring shaft arranged in the barrel body and a driving mechanism which is arranged outside the barrel body and is used for driving the stirring shaft; the heat pump system comprises a plurality of heat pump modules which are arranged side by side along the length direction of the cylinder, each heat pump module comprises a heat pump room, a heat pump host and a fan, the heat pump host and the fan are arranged in the heat pump room, the input end of the fan is in butt joint with the output end of the heat pump host, and the output end of the fan is connected to the side surface of the cylinder through an air supply pipe; the filtering system comprises a cloth bag room and a plurality of cloth bags arranged in the cloth bag room, a partition plate used for separating the cloth bag room from the heat pump room is arranged in the cloth bag room, the opening end of each cloth bag is fixed on the partition plate, the barrel is arranged below the cloth bag room, the top of the barrel is provided with a return air inlet, and the opening at the lower part of the cloth bag room is connected with the return air inlet of the barrel through a return air pipe.

2. A drying apparatus according to claim 1, characterized in that: the (mixing) shaft includes pivot and a plurality of blade of establishing in the pivot, the pivot is coaxial with the barrel, and outside the barrel was stretched out to the one end of pivot, actuating mechanism includes motor and gear train, the motor passes through gear train drive pivot.

3. A drying apparatus according to claim 2, characterized in that: the blade comprises a connecting rod and a turning plate arranged at the tail end of the connecting rod, the tail end of the turning plate is bent towards the rotating direction, and the bending angle is 95 to 175 degrees.

4. A drying apparatus according to claim 1, characterized in that: the higher one end of barrel is the material input end, and the lower one end of barrel is the material output end, and the material input end is equipped with breaker and input screw rod lifting machine, and the material outside the barrel gets into the barrel behind breaker and input screw rod lifting machine, and the material output end is equipped with the output screw rod lifting machine, and the material in the barrel sees off the barrel through the output screw rod lifting machine.

5. A drying apparatus according to claim 1, characterized in that: the output end of the fan is connected with two air supply pipes, one air supply pipe points to the middle position in the cylinder, and the other air supply pipe points to the bottom position in the cylinder.

6. A drying apparatus according to claim 1, characterized in that: and one end of the air supply pipe is provided with a check valve.

7. A drying apparatus according to claim 1, characterized in that: the fan is arranged below the walking platform.

8. A drying apparatus according to claim 1, characterized in that: the return air inlet is arranged along the length direction of the barrel body, the return air pipe is funnel-shaped, and the lower end opening of the return air pipe is smaller than the upper end opening.

9. A drying apparatus according to claim 1, characterized in that: the filtering system also comprises a pulse dust removal system matched with the cloth bag.