CN214950295U

CN214950295U - Multi-functional intelligent drying system

Info

Publication number: CN214950295U
Application number: CN202120308072.8U
Authority: CN
Inventors: 黄敬喜
Original assignee: Jilin Hengyuan Machinery Charcoal Co ltd
Current assignee: Jilin Hengyuan Machinery Charcoal Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-30
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a multifunctional intelligent drying system, which comprises a burner, a feeding bin, a roller drying device, an airflow sand removing device, a separator and a PLC controller which are connected in sequence; the separator is respectively connected with the dry material bin and the dust remover; the PLC controllers are respectively connected with the mechanisms; the combustor comprises a fuel bin, an equipment bin and a combustion furnace, wherein the fuel bin is positioned above the equipment bin, a fuel propelling device and an air blowing device are arranged in the equipment bin, and the fuel propelling device is connected with a discharge hole of the fuel bin; the fuel propulsion device and the air blowing device are respectively connected with the combustion furnace through pipelines, and an ignition device and a temperature sensor are arranged in the combustion furnace; a material level controller is arranged in the feeding bin, an alarm is arranged on the material level controller, and an alarm lamp is arranged outside the feeding bin; the drying system further comprises a conveying device, the conveying device comprises a fuel conveying device and a material conveying device, the fuel conveying device is connected with the fuel bin, and the material conveying device is connected with the feeding bin.

Description

Multi-functional intelligent drying system

Technical Field

The utility model belongs to the technical field of drying equipment, concretely relates to multi-functional intelligent drying system.

Background

The drying assembly line is a mechanical combined device for reducing moisture by utilizing hot air flow, and is used for drying materials, the dryer gasifies and overflows moisture in the materials by the heated hot air flow to obtain the required moisture content percentage, the dryer aims at meeting the requirements of material use and further processing, and along with the development of the society, the drying assembly line is more and more widely used in daily production and life of people, but the existing drying assembly line is manually controlled by manpower according to experience, a plurality of devices are combined, the manual operation process is more complicated, manual ignition, manual fuel addition, manual starting of buttons of various devices, manual adjustment of dryness and humidity and the like are realized. The defects of manual control mainly comprise the following points: when fuel is added, the furnace door must be opened and closed, and cold air enters to cause temperature instability; the amount of fuel added is difficult to master, and the stability of the temperature is directly influenced by the amount of the added fuel; the temperature change is large, and the dryness and the humidity are unstable directly; according to the temperature change and the humidity change, the amount of the fed raw materials is difficult to master, so that the humidity is unstable; the temperature of the broken raw materials rises rapidly without automatic control and alarm prompt, and once the inside of the dryer is easily ignited due to negligence, the discharge port emits fire, so that serious loss is caused.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a multi-functional intelligent drying system can realize drying accurate control, whole intelligent management to production efficiency is high, the steady quality is reliable. The technical scheme of the utility model is that:

a multifunctional intelligent drying system comprises a burner, a feeding bin, a roller drying device, an airflow sand removing device, a separator and a PLC (programmable logic controller) which are sequentially connected; the separator is respectively connected with the dry material bin and the dust remover, a dust collection box is arranged below the dust remover, and a wet outlet is formed in the top of the dust remover; the PLC is respectively connected with the burner, the feeding bin, the roller drying device, the airflow sand removing device, the separator, the dry bin and the dust remover;

the combustor comprises a fuel bin, an equipment bin and a combustion furnace, wherein the fuel bin is positioned above the equipment bin, a fuel propelling device and an air blowing device are arranged in the equipment bin, and the fuel propelling device is connected with a discharge hole of the fuel bin; the fuel propulsion device and the air blowing device are respectively connected with the PLC; the fuel propulsion device and the air blowing device are respectively connected with the combustion furnace through pipelines, and the two pipelines are also communicated; an ignition device and a temperature sensor are arranged in the combustion furnace, and the ignition device and the temperature sensor are respectively connected with the PLC;

a material level controller is arranged in the feeding bin, an alarm is arranged on the material level controller, an alarm lamp is arranged outside the feeding bin, and the material level controller and the alarm lamp are respectively connected with the PLC;

the drying system further comprises a conveying device, the conveying device comprises a fuel conveying device and a material conveying device, the fuel conveying device is connected with the fuel bin, the material conveying device is connected with the feeding bin, and the fuel conveying device and the material conveying device are respectively connected with the PLC.

Further, a material sensor is arranged in the fuel bin and connected with the PLC.

Optionally, the ignition device comprises an oil injection device and an electronic igniter, and the oil injection device and the electronic igniter are respectively connected with the PLC controller.

Optionally, the ignition device comprises an electric heating rod ignition device, and the electric heating rod ignition device is connected with the PLC controller.

Preferably, the fuel propulsion device comprises a propulsion motor and a shaftless auger blade connected with the propulsion motor, and the propulsion motor is connected with the PLC.

Further, the roller drying device comprises a roller, rolling rings are arranged at two ends of the roller or rolling gears are arranged in the middle of the roller, the rolling rings or the rolling gears are respectively connected with a roller motor through a driving aperture or a driving gear, and the roller motor is connected with the PLC.

Furthermore, the airflow sand removal device comprises a device body, wherein two ends of the device body are of cone structures, the middle part of the device body is of a cylinder structure, and the total length of the cone structures at the two ends is equivalent to the length of the cylinder structure; and iron removers are arranged on the inner walls of the middle cylindrical structure and the lower conical structure.

Furthermore, a related air discharger is arranged at the bottom of the separator, the air-seal discharger is connected with a drying discharging machine, the drying discharging machine is connected with the dry material bin, and the air-seal discharger and the drying discharging machine are respectively connected with the PLC.

Furthermore, a fan is arranged on a pipeline communicated with the separator and the dust remover, and the fan is connected with the PLC.

Furthermore, a screening device is arranged on the material conveying device and connected with the PLC.

Optionally, the drying system further comprises an upper computer and a remote control end connected with the upper computer through a communication device, and the upper computer is connected with the PLC controller.

A drying process of a multifunctional intelligent drying system comprises the following steps:

step 1, conveying fuel to a combustor through a fuel conveying device for combustion to generate heat energy, and conveying the heat energy to a roller drying device;

step 2, conveying the material to be dried to a feeding bin through a material conveying device and entering a roller drying device;

step 3, drying the materials to be dried in the roller drying device, and then sending the dried materials into an airflow sand removal device for removing sand and iron;

and 4, feeding the materials subjected to sand removal and iron removal into a separator for gas-solid separation, feeding the solids subjected to gas-solid separation into a dry bin, and discharging the gas after the gas enters a dust remover for dust removal.

Further, the drying process further includes: and the remote control end sends a control instruction to the upper computer, and the upper computer transmits the control instruction to the PLC, so that the remote automatic control of the drying process is realized.

The utility model has the advantages that:

1. the utility model discloses can be based on the dry humidity of raw materials and set for the corresponding temperature in the PLC controller, be less than the fuel feed volume in the automatic increase bunker of settlement temperature, the fuel supply volume in the automatic reduction bunker when reaching the settlement temperature guarantees the best moisture of dry humidity, solves the problem that traditional stoving adds the material temperature and is difficult to master. Moreover, the temperature in the combustion furnace can be kept not to exceed the safe temperature, the overtemperature ignition phenomenon in the combustion furnace can not be caused, and the safety of the system is improved.

2. The utility model discloses the process that fuel got into to fire burning furnace is closed feeding, can guarantee that the temperature is balanced, can make full use of fuel and save the fuel quantity.

3. The utility model discloses a whole stoving process all is full automatic control, only about 1% to the drying error of material, has greatly improved the stability of production output and quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the drawings without creative efforts.

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

Fig. 2 is a structural control block diagram of the drying system of the present invention.

Fig. 3 is a schematic structural diagram of the fuel propulsion device of the present invention.

Fig. 4 is a schematic structural view of the airflow sand removing device of the present invention.

In the drawings 1-4, 1, a burner, 2, a feeding bin, 3, a roller drying device, 4, an airflow sand removing device, 5, a separator, 6, a PLC controller, 7, a dry bin, 8, a dust remover, 9, a dust collection box, 10, a moisture outlet, 11, a fuel bin, 12, an equipment bin, 13, a combustion furnace, 14, a fuel propelling device, 15, a blowing device, 16, a fuel bin discharge outlet, 17, an ignition device, 18, a temperature sensor, 19, a level controller, 20, an alarm, 21, a conveying device, 22, a fuel conveying device, 23, a material conveying device, 24, a material sensor, 25, a propelling motor, 26, a shaftless conical blade, 27, a rolling ring, 28, a driving diaphragm, 29, a roller motor, 30, an airflow sand removing device structure, 31, an airflow sand removing device cylinder structure, 32, an iron remover, 33, a wind closing discharger, 34, a wind removing device, a wind removing device, a wind device, a wind device, Drying discharging machine 35, fan 36, screening plant 38, host computer 39, remote control end 40, alarm lamp.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms 'mounted', 'connected' and 'connected' are to be construed broadly, e.g. as being fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present invention will now be described in further detail with reference to the accompanying drawings and specific examples, which are given by way of illustration and not of limitation.

Example 1

As shown in fig. 1 and 2, the present embodiment provides a multifunctional intelligent drying system, which includes a burner 1, a feeding bin 2, a drum drying device 3, an airflow sand removing device 4, a separator 5 and a PLC controller 6, which are connected in sequence. The separator 5 is respectively connected with a dry material bin 7 and a dust remover 8. The PLC 6 is respectively connected with the burner 1, the feeding bin 2, the roller drying device 3, the airflow sand removing device 4, the separator 5, the drying bin 7 and the dust remover 8.

The drying system further comprises a conveying device 21, the conveying device 21 comprises a fuel conveying device 22 and a material conveying device 23, the fuel conveying device 22 is connected with the fuel bin 11, the material conveying device 23 is connected with the feeding bin 2, and the fuel conveying device 22 and the material conveying device 23 are respectively connected with the PLC 6. The material conveying device 23 is provided with a screening device 36, the screening device 36 is connected with the PLC 6, the screening device screens fine particles with granularity meeting requirements into a feeding bin for subsequent drying operation, coarse particles with granularity not meeting requirements are screened out and then returned to a material making bin (not shown in the figure) for continuous crushing treatment, and therefore the efficiency of subsequent drying operation and the yield of materials can be guaranteed.

The combustor 1 comprises a fuel bin 11, an equipment bin 12 and a combustion furnace 13, wherein the fuel bin 11 is located above the equipment bin 12, a material sensor 24 is arranged in the fuel bin 11, the material sensor 24 is connected with the PLC 6, after the material sensor senses that fuel is added, state information of sensed materials is transmitted to the PLC 6, and the PLC 6 starts a fuel propulsion device 14 and a blowing device 15 to work. The fuel propelling device 14 and the air blowing device 15 are arranged in the equipment bin 12, and the fuel propelling device 14 is connected with the discharge hole 16 of the fuel bin 11. The fuel propulsion device 14 and the air blowing device 15 are respectively connected with the PLC controller 6. The fuel propulsion device 14 and the air blowing device 15 are respectively connected with the combustion furnace 13 through pipelines, and the two pipelines are communicated with each other, and the pipeline of the fuel propulsion device 14 communicated with the pipeline of the air blowing device 15 is connected from the upper part of the pipeline of the fuel propulsion device 14, so that fuel is prevented from blocking the pipeline and entering the pipeline of the air blowing device 15, the fuel propulsion device 14 can accelerate the speed of feeding the fuel into the boiler with the help of partial air in the process of propelling the fuel into the boiler, and further fuel accumulation and blockage are prevented. An ignition device 17 and a temperature sensor 18 are arranged in the combustion furnace 13, and the ignition device 17 and the temperature sensor 18 are respectively connected with the PLC 6. The PLC monitors the temperature in the combustion furnace 13 monitored by the temperature sensor 18 in real time, and when the temperature reaches a set temperature value, the fuel conveying device 22 is closed, and the feeding is stopped; when it is detected that the temperature in the combustion furnace is lower than the set temperature, the fuel supply device 22 is restarted. The bottom of the combustion furnace 13 is also connected with a deslagging screw machine (not shown in the figure).

In this embodiment, the ignition device 17 may be an ignition device assembled by a fuel injection device and an electronic igniter, or an electric bar ignition device, and in any case, the ignition device 17 is connected to the PLC controller 6.

In this embodiment, the fuel propulsion device 14 comprises a propulsion motor 25 and a shaftless auger blade 26 connected with the propulsion motor 25, and the propulsion motor 25 is connected with the PLC controller 6. In addition, can also adopt motor-lead screw driven pushing head mechanism, but this kind of advancing mechanism can't guarantee the degree of consistency that the material was marchd at the propulsion material in-process, especially to the wet material that has certain viscosity, blocks up the pipeline extremely easily, consequently, the utility model discloses improve to propulsion motor driven shaftless auger blade at the later stage, can guarantee the degree of consistency that the material marchd in the pipeline, prevent to block up. In addition, a soft auger blade or an auger blade with a shaft can also be adopted.

It is equipped with material level controller 19 to add in the feed bin 2, material level controller 19 is equipped with alarm 20, it is equipped with alarm lamp 40 to add the feed bin 2 outward, material level controller 19 with alarm lamp 40 respectively with PLC controller 6 links to each other. When the material to be dried is fed and the material is cut off, the material level controller 19 automatically gives an alarm, state information is sent to the PLC controller 6, the PLC controller 6 starts the external alarm lamp 40 to give an alarm to remind a worker to add the material to be dried, and the alarm is automatically released after the material is supplied. Solves the problem of unnecessary loss caused by the lack of raw material feeding.

The roller drying device 3 comprises a roller, wherein rolling rings 27 are arranged at two ends (shown as rolling rings 27 arranged at two ends in figure 1) of the roller or rolling gears are arranged in the middle of the roller, the rolling rings 27 are connected with a roller motor 29 through a driving aperture 28, and the roller motor 29 is connected with the PLC 6. And an automatic control valve is arranged on a connecting pipeline of the roller drying device 3 and the airflow sand removing device 4, and the valve is connected with a PLC (programmable logic controller).

The airflow sand removing device 4 comprises a device body, wherein two ends of the device body are cone structures 30, the middle part of the device body is a cylinder structure 31, and the total length of the cone structures at the two ends is equivalent to that of the cylinder structure. The airflow sand removing device with the structure can increase the retention time of materials in the airflow sand removing device, thereby better removing sand and iron. The inner walls of the middle cylindrical structure 31 and the lower conical structure 30 are provided with iron removers 32.

The separator 5 is a cyclone separator, the bottom of the separator is provided with an air-related discharger 33, the air-related discharger 33 is connected with a drying discharger 34, the drying discharger 34 is connected with the drying bin 7, and the air-related discharger 33 and the drying discharger 34 are respectively connected with the PLC 6. And a fan 35 is arranged on a pipeline communicated with the cyclone separator 5 and the dust remover 8, and the fan 35 is connected with the PLC 6.

The dust remover 8 is a cyclone dust remover, a dust collection box 9 is arranged below the dust remover, and a wet outlet is formed in the top of the dust remover 8. The gas from the separator 5 is dusted in the cyclone 8, the dust enters the lower dust collecting box 9, and the moisture is discharged from the upper moisture outlet 10.

The working principle of the drying system of the embodiment is as follows: inputting fuel into a combustion machine through a fuel conveying device, and automatically controlling the supply of the fuel according to the material level; ignition, fuel feeding, air distribution, temperature and the like of the combustor are automatically controlled by a PLC (programmable logic controller), so that the fuel is ensured to be fully combusted; conveying wet raw materials through a material conveying device, screening the wet raw materials, and enabling the wet raw materials to enter a feeding bin, wherein a material level controller is arranged in the feeding bin, when the raw materials are lacked, the material conveying device is started, and when the raw materials are reached, the raw materials are stopped, so that the automatic supply of the wet raw materials is ensured; under the action of the air blowing device, wet materials and heat generated by combustion enter the drum drying device to perform a material drying process, and the feeding speed of each section can be automatically adjusted according to information such as the dryness and humidity of initial raw materials, the temperature of hot air in the combustion furnace and the like; then the dried raw materials enter an airflow sand removal device for removing sand and iron, then enter a cyclone separator, enter an airlock discharger from a lower outlet of the cyclone separator and are discharged, the gas is dusted by a cyclone dust remover, the dust enters a lower dust collection box, and the moisture is discharged from an upper discharge port; and the raw materials discharged by the air-closing discharger enter the drying discharger and are then guided into the dry material bin for later use.

Example 2

This embodiment provides a multi-functional intelligent drying system, and the difference with embodiment 1 lies in: the drying system further comprises an upper computer 38 and a remote control end 39 connected with the upper computer 38 through a communication device, and the upper computer 38 is connected with the PLC 6. The communication device comprises at least one of a 2G/3G/4G/5G network module, a PLC power line carrier module, an NB-IoT and a LoRa low-power-consumption wide area network module. The remote operation method can be implemented in the area with stable network, and simple programming can be realized according to the temperature and the water content of the raw materials in each area, so that one-key foolproof operation can be really realized.

Example 3

The utility model provides a multi-functional intelligent drying system's stoving flow, it is the living beings stick to treat the stoving material, and the living beings stick is also a fine fuel, and its moisture content general control is at 6-12%, and control is at 8-9% best, so this embodiment except that the first time fuel directly adopts be exactly the living beings stick that the stoving finishes, the stoving flow specifically as follows:

step 1, conveying fuel to a combustor through a fuel conveying device for combustion to generate heat energy, and conveying the heat energy to a roller drying device; when the first operation is carried out, other fuels need to be added into the combustor, after the biomass rods are dried and enter the dry material bin, the fuel conveying device is directly butted with the dry material bin, and the biomass rods in the dry material bin are used as fuels in the following drying process and conveyed into the combustor;

step 2, conveying the biomass rods to be dried to a feeding bin through a material conveying device and feeding the biomass rods into a roller drying device;

step 3, exchanging energy between the biomass rods to be dried and hot air flow generated by combustion in the roller drying device to enable moisture in the materials to be gasified and overflowed, drying the materials to be dried, and then sending the dried materials into an air flow sand removal device to remove sand and iron;

step 4, feeding the materials subjected to sand removal and iron removal into a separator for gas-solid separation, feeding the solids subjected to gas-solid separation into a dry bin, and discharging the gas after the gas enters a dust remover for dust removal;

and 5, conveying the biomass rods in the dry material bin into a combustor through a fuel conveying device to combust to generate heat energy, and circularly performing the subsequent drying process of the biomass rods to be dried.

In this embodiment, the biomass rod is used as a material to be dried and can be used as a fuel after being dried. The drying process of the embodiment is also applicable to biomass particles, and the water content of the biomass particles is preferably 13-15%. The moisture content of the manufactured biomass rod and the biomass particles is just suitable for the moisture requirement of the fuel sprayed and burned by the burner, the fuel is not required to be secondarily processed and molded, and can be directly utilized, so that unnecessary expenses such as manpower, material resources, electric power and the like are reduced, and the production cost of drying the biomass hot air flow is reduced greatly in a time-saving and labor-saving manner.

To sum up, the utility model provides a following 4 among the prior art not enough:

1. the utility model discloses can be according to the dry humidity of raw materials, set for the temperature that corresponds, be less than and set for the automatic fuel feed volume that increases of temperature, the automatic fuel supply volume that reduces when reaching the settlement temperature soon guarantees the best moisture of dry humidity, solves the problem that traditional stoving adds the material temperature and is difficult to master.

2. The utility model discloses can be less than and set for the temperature automatic shutdown fuel feed through exceeding, be less than and set up temperature automatic start fuel feed, keep the temperature in the combustor can not exceed safe temperature, can not cause the phenomenon of getting on fire in the combustor, solve the combustor and get on fire in the overtemperature.

3. The utility model discloses be equipped with level controller in adding the feed bin, report to the police when mobile feeding is expected absolutely, outside alarm lamp is reported to the police simultaneously, reminds the staff to add the stoving raw materials, reports to the police automatically when the raw materials is supplied with the back and removes. Solves the problem of unnecessary loss caused by the lack of raw material feeding.

4. The utility model discloses a closed feeding can guarantee that the temperature is balanced.

It will be understood that modifications and variations can be resorted to by those skilled in the art, and all such modifications and variations are intended to be included within the scope of the invention as claimed.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a multi-functional intelligent drying system which characterized in that: comprises a burner, a feeding bin, a roller drying device, an airflow sand removing device, a separator and a PLC (programmable logic controller) which are connected in sequence; the separator is respectively connected with the dry material bin and the dust remover, a dust collection box is arranged below the dust remover, and a wet outlet is formed in the top of the dust remover; the PLC is respectively connected with the burner, the feeding bin, the roller drying device, the airflow sand removing device, the separator, the dry bin and the dust remover;

2. The multifunctional intelligent drying system of claim 1, wherein: and a material sensor is arranged in the fuel bin and is connected with the PLC.

3. The multifunctional intelligent drying system of claim 2, wherein: the fuel propulsion device comprises a propulsion motor and a shaftless auger blade connected with the propulsion motor, and the propulsion motor is connected with the PLC.

4. The multifunctional intelligent drying system of claim 1, wherein: the roller drying device comprises a roller, rolling rings are arranged at two ends of the roller or rolling gears are arranged in the middle of the roller, the rolling rings or the rolling gears are respectively connected with a roller motor through a driving aperture or a driving gear, and the roller motor is connected with the PLC.

5. The multifunctional intelligent drying system of claim 1, wherein: the airflow sand removing device comprises a device body, wherein two ends of the device body are cone structures, the middle part of the device body is a cylinder structure, and the total length of the cone structures at the two ends is equal to that of the cylinder structure; and iron removers are arranged on the inner walls of the middle cylindrical structure and the lower conical structure.

6. The multifunctional intelligent drying system of claim 1, wherein: the bottom of the separator is provided with an air-related discharger, the air-related discharger is connected with a drying discharging machine, the drying discharging machine is connected with the dry material bin, and the air-related discharger and the drying discharging machine are respectively connected with the PLC.

7. The multifunctional intelligent drying system of claim 6, wherein: and a fan is arranged on a pipeline communicated with the separator and the dust remover, and the fan is connected with the PLC.

8. The multifunctional intelligent drying system of claim 1, wherein: and the material conveying device is provided with a screening device, and the screening device is connected with the PLC.

9. The multifunctional intelligent drying system of any one of claims 1-8, wherein: the drying system further comprises an upper computer and a remote control end connected with the upper computer through a communication device, and the upper computer is connected with the PLC.