CN113816377A - Automatic material feeding and distributing system for material inlet of activation furnace - Google Patents
Automatic material feeding and distributing system for material inlet of activation furnace Download PDFInfo
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- CN113816377A CN113816377A CN202111101675.1A CN202111101675A CN113816377A CN 113816377 A CN113816377 A CN 113816377A CN 202111101675 A CN202111101675 A CN 202111101675A CN 113816377 A CN113816377 A CN 113816377A
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- 230000004913 activation Effects 0.000 title claims abstract description 207
- 239000000463 material Substances 0.000 title claims abstract description 149
- 239000005539 carbonized material Substances 0.000 claims abstract description 40
- 238000003763 carbonization Methods 0.000 claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 22
- 230000003213 activating effect Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 241000219122 Cucurbita Species 0.000 claims 1
- 235000009852 Cucurbita pepo Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 15
- 238000002360 preparation method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000011068 loading method Methods 0.000 abstract description 6
- 238000001994 activation Methods 0.000 description 173
- 239000000843 powder Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention belongs to the technical field of activated carbon production and preparation equipment, and discloses an automatic charging and distributing system for a feed inlet of an activation furnace. The device comprises a slag cooler, a rotary screen and a carbonized material buffer bin, wherein more than one slag cooler is arranged, a Z-type lifter and conveying mechanical equipment are arranged between the slag cooler and the rotary screen, and the rotary screen is connected with the carbonized material buffer bin through the carbonized material lifter and a discharging device; a buffer material conveying belt is arranged below the carbonization material buffer bin, and an activation furnace charging hoister and an activation furnace are sequentially arranged at the tail end of the buffer material conveying belt; the upper part of the activating furnace charging elevator is provided with an automatic charging three-way valve, and the bottom of the automatic charging three-way valve is provided with an accident charging hopper. The problem of the activation furnace pan feeding in-process exist is solved to realize the automation of activation furnace material loading process, guarantee its safe and stable operation.
Description
Technical Field
The invention belongs to the technical field of activated carbon production and preparation equipment, and relates to an automatic charging and distributing system for a material inlet of an activation furnace.
Background
The production of the active carbon mainly comprises the working procedures of material preparation, grinding, granulation and forming, carbonization, activation, packaging and the like, wherein the activation working procedure is a key step in the production process of the active carbon. However, the automation degree of the existing activating procedure feeding process is extremely low, and CO poisoning and personal casualty accidents caused by the escape of smoke gas of manual material distribution at the feeding port of the activating furnace occur. At present, the material loading of the activation furnace is mostly lifted by adopting an electric hoist, and the operation steps are as follows:
placing the carbonized material ton bag on the ground of the activation furnace through a forklift, manually hooking, operating an electric hoist, hanging the ton bag to the platform of the charging opening of the activation furnace, opening a flue gas water seal cover plate of the activation furnace, manually shoveling the activated material to a material feeding opening, covering the flue gas water seal cover plate after the material is fed, and finishing the feeding process of the material feeding opening.
CN 209635196U discloses an active carbon loading attachment adopts the lifting machine reinforced the solution current electric block reinforced in-process, the problem that the material loading is slow, the cloth is difficult, easily spill the material. But does not substantially solve the following problems of the prior activating furnace feeding system: (1) no matter be material transportation or material loading cloth accomplish by artifical manual, degree of automation is low, and the cost of labor is high. (2) The discharge of the activation furnace is operated intermittently, the activation furnace needs to be filled with corresponding carbonized materials from a feeding port in the operation process, and a smoke water seal cover plate at the top of the activation furnace needs to be opened for feeding and distributing materials during feeding. The incompletely combusted high-temperature water gas in the activation process of the activation furnace escapes from the material inlet to cause environmental pollution and influence the occupational health of operators. (3) the existing mode inevitably causes the abrasion of materials and the generation of flying dust no matter the carbonization material transfer process or the activation material loading process, not only causes certain economic loss, but also seriously influences the environmental sanitation and image problems of the factory simultaneously.
CN 110589828A discloses an activation measurement charging system, sets up the buffering feed bin in activation process and carbomorphism process and has solved the problem of artifical transportation of material. However, the sum of the feeding amount of the activation furnace and the amount of water vapor of the activated agent after reaction is equal to the sum of the discharging amount of the activation furnace and the amount of flue gas, and the discharging of the activation furnace is an intermittent process.
The difficult points existing in the whole unattended process of the prior full-automatic activation feeding process of the activation furnace are mainly as follows: (1) the high-temperature carbonization material of the carbonization procedure is conveyed in a non-landing closed manner, and the activation furnace (2) is fed in a manner of interlocking to realize automatic feeding, and the activation furnace (3) is fed in a manner of realizing automatic material distribution to avoid the escape of flue gas.
Based on the problems, the technical personnel in the field are always dedicated to developing an automatic charging and distributing system for the material inlet of the activation furnace, and the system has very important significance for solving the safety problem of inlet distribution of the activation process and improving the automation level of activation production in the activation production industry.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an automatic material feeding and distributing system for a material inlet of an activation furnace, which solves the problems in the material feeding process of the activation furnace, realizes the automation of the material feeding process of the activation furnace and ensures the safe and stable operation of the activation furnace.
The above purpose of the invention is realized by the following technical scheme:
an automatic charging and distributing system for a feed inlet of an activation furnace comprises a slag cooler, a rotary screen and a carbonized material buffer bin, wherein the slag cooler is provided with more than one slag cooler, a Z-type lifter and conveying mechanical equipment are arranged between the slag cooler and the rotary screen, and the rotary screen is connected with the carbonized material buffer bin through the carbonized material lifter and a discharging device; a buffer material conveying belt is arranged below the carbonization material buffer bin, and an activation furnace charging hoister and an activation furnace are sequentially arranged at the tail end of the buffer material conveying belt; the upper part of the activation furnace charging elevator is provided with an automatic charging three-way valve, and the bottom of the automatic charging three-way valve is provided with an accident charging hopper;
the top of the activation furnace is provided with an activation furnace material distribution area, and a charging hopper of the activation furnace is arranged above the activation furnace material distribution area; the top of the activating furnace charging hopper is provided with a material level switch, and the discharge hole at the bottom of the activating furnace charging hopper is provided with an activating furnace charging automatic gate valve;
the automatic feeding three-way valve is connected with a feeding hopper of the activation furnace through a pipeline; and the bottom of the carbonization material buffer bin is provided with an automatic gate valve of the carbonization bin.
The side wall of the activation furnace charging hopper is provided with an activation furnace charging hopper support; the activation furnace charging hopper bracket is connected with a sliding guide rail arranged at the top of the activation furnace; the top of the activation furnace is provided with an activation furnace maintenance electric hoist; and a sealing cover plate is also arranged on the activation furnace.
Conveying mechanical equipment arranged between the slag cooler and the rotary screen can be a belt conveyor.
The automatic material feeding and distributing system for the material inlet of the activation furnace is further provided with pneumatic conveying equipment for conveying unqualified screened powder materials screened out by the drum screen to a coal preparation process for the use of activated carbon batching.
More than one charging hopper of the activation furnace can be arranged.
The front end of the automatic charging and distributing system at the material inlet of the activation furnace is provided with a discharge hole of the carbonization furnace; the cold sediment machine sets up the end at.
The invention also provides an interlocking control mode of the automatic charging and distributing system of the activating furnace material inlet, which comprises the following steps: the activating furnace feeding hopper achieves high material level alarm through the arranged material level switch, and the time interval T is1Feeding the materials into the feeding hopper of the activation furnace to ensure that the feeding hopper of the activation furnace is always in a full material state, and the feeding interval time T1<Discharge interval time T of activation furnace2(ii) a Charging interval time T of activation furnace1Interlocked with an automatic feeding three-way valve, an activation furnace feeding hoister, a buffer material conveying belt and an automatic gate valve of a carbonization bin. The set charging time T is reached1The electric or pneumatic devices are started according to the sequence from the activation furnace to the direction of the carbonized material buffer bin. When the material level switch arranged on the charging hopper of the activation furnace is in high-level alarm, the alarm is carried out according to the following principleAnd sequentially closing all the devices in the direction from the carbonized material buffer bin to the activation furnace.
The top of the activation furnace is provided with a material distribution area of the activation furnace, the material is fed into a feeding hopper of the activation furnace through automatic feeding, and the feeding interval time T is1<Discharge interval time T of activation furnace2Under the condition, the material in the material distribution area of the activation furnace is ensured to be always in a full state, and the condition that the smoke of the empty material at the material inlet of the activation furnace escapes or the condition that workers open the sealing cover plate for feeding can be avoided.
Preferably, the front section of the automatic charging and distributing system is provided with a slag cooler and a rotary screen, the high-temperature carbonized material does not fall to the ground, the high-temperature carbonized material is cooled to normal temperature and enters the rotary screen, and the screened qualified material enters a carbonized material buffer bin for storage. And conveying unqualified screened powder to a coal preparation process by adopting pneumatic conveying equipment for blending of the activated carbon.
Preferably, the carbonization material buffer bin body is provided with a remote transmission high-low material level switch, and the bottom discharge hole is provided with an automatic gate valve of the carbonization material bin with an overhauling hand wheel. And the carbonized material hoister and conveying mechanical equipment in front of the carbonized material buffer bin are used for feeding materials in an interlocking manner according to the state of the remote transmission signal of the remote transmission high-low material level switch.
Preferably, the bottom of the activating furnace charging hoister is provided with an accident charging hopper, and the activating furnace can be continuously charged when the conveying mechanical equipment in front of the activating furnace charging hoister breaks down. The top of the activation furnace is provided with an activation furnace maintenance electric hoist for the failure of the activation furnace charging hoister, the charging of the activation furnace and the maintenance and replacement of refractory bricks in the furnace.
Preferably, the top of the activation furnace is provided with a charging hopper of the activation furnace for material charging buffering and material distribution. When the charging hoister of the activation furnace breaks down or the material is blocked in the furnace, the charging hopper of the activation furnace can be shifted for charging the activation furnace or overhauling the furnace.
Preferably, the top of the activation furnace is provided with a cloth area of the activation furnace, and the height H of the cloth layer of the cloth area of the activation furnace is at least greater than the height calculated by the stacking angle of the materials.
Preferably, the automatic charging and distributing system is further provided with a bag-type dust collector, a dust removing opening of the dust collector is arranged near a blanking opening of each device, and the fine powder after dust removal is sent to the blending process of the coal preparation process through pneumatic conveying equipment.
The interlocking related to the invention is realized by connecting the equipment with a PLC system or a DCS system.
The slag cooler, the Z-type hoister, the belt conveyor, the rotary screen, the unloading device, the remote-transmission high-low material level switch, the carbonization bin automatic gate valve, the buffer material conveying belt, the accident hopper, the activation furnace charging hoister, the automatic charging three-way valve, the activation furnace maintenance electric block, the material level switch, the activation furnace charging automatic gate valve and the pneumatic conveying equipment are respectively connected with the PLC system or the DCS system.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an automatic feeding and distributing system for a material inlet of an activation furnace, which can greatly reduce the labor cost in the feeding process of the activation furnace, effectively solve the problem of safety accidents of manual material distribution at the inlet of the activation furnace and ensure that the activation furnace can safely and stably operate. Meanwhile, the invention also solves the problems of unorganized waste gas emission during non-automatic charging and material loss during the transfer process. The conveying of the materials of the invention is operated in a closed environment, thereby avoiding the pollution to the environment, and simultaneously, the dust recycling device is additionally arranged, thereby improving the economic benefit of the device.
Drawings
In order to more clearly explain the technical solution of the present invention, the drawings used in the technical description of the embodiment will be briefly introduced below, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without any creative effort.
FIG. 1 is a schematic view of an automatic feeding and distributing system for a feeding port of an activation furnace provided by the invention.
FIG. 2 is a side view of the automatic feeding and distributing system for the feed inlet of the activation furnace provided by the invention.
In the figure: 1-slag cooler, 2-Z type lifter, 3-belt conveyor, 4-trommel screen, 5-discharge unit, 6-carbonization material buffer bin, 7-carbonization bin automatic gate valve, 8-buffer material conveying belt, 9-accident hopper, 10-activation furnace charging lifter, 11-automatic charging three-way valve, 12-activation furnace maintenance electric block, 13-activation furnace charging hopper, 14-activation furnace charging hopper support, 15-sliding guide rail, 16-sealing cover plate, 17-material level switch, 18-activation furnace charging automatic gate valve, 19-activation furnace distribution area.
Detailed Description
The invention is described in more detail below with reference to specific examples, without limiting the scope of the invention. In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. The interlocking related to the embodiment of the invention is realized by connecting equipment with a PLC system or a DCS system.
Example 1
An automatic charging and distributing system for a feed inlet of an activation furnace is shown in figures 1-2 and comprises a slag cooler 1, a rotary screen 4 and a carbonized material buffer bin 6, wherein more than one slag cooler 1 is arranged, a Z-type lifter 2 and conveying mechanical equipment are arranged between the slag cooler 1 and the rotary screen 4, and the rotary screen 4 is connected with the carbonized material buffer bin 6 through the carbonized material lifter and a discharging device 5; a buffer material conveying belt 8 is arranged below the carbonization material buffer bin 6, and an activation furnace feeding hoister 10 and an activation furnace are sequentially arranged at the tail end of the buffer material conveying belt 8; the upper part of the activation furnace charging elevator 10 is provided with an automatic charging three-way valve 11, and the bottom of the automatic charging three-way valve is provided with an accident charging hopper 9;
the top of the activation furnace is provided with an activation furnace material distribution area 19, and an activation furnace material feeding hopper 13 is arranged above the activation furnace material distribution area 19; the top of the activation furnace charging hopper 13 is provided with a material level switch 17, and the discharge hole at the bottom of the activation furnace charging hopper is provided with an activation furnace charging automatic gate valve 18;
the automatic feeding three-way valve 11 is connected with a feeding hopper 13 of the activation furnace through a pipeline; and the bottom of the carbonization material buffer bin 6 is provided with an automatic gate valve 7 of a carbonization bin.
The side wall of the activation furnace charging hopper 13 is provided with an activation furnace charging hopper bracket 14; the activation furnace charging hopper support 14 is connected with a sliding guide rail 15 arranged at the top of the activation furnace; the top of the activation furnace is provided with an activation furnace maintenance electric hoist 12; and a sealing cover plate 16 is also arranged on the activation furnace.
And conveying mechanical equipment which can be a belt conveyor 3 is arranged between the slag cooler 1 and the rotary screen 4.
The automatic material feeding and distributing system at the material inlet of the activation furnace is also provided with pneumatic conveying equipment for conveying unqualified screened powder screened out by the rotary screen 4 to a coal preparation process for the use of the ingredients of the activated carbon.
More than one charging hopper 13 of the activation furnace is arranged.
The front end of the automatic charging and distributing system at the material inlet of the activation furnace is provided with a discharge hole of the carbonization furnace; the cold sediment machine 1 sets up the end at.
The invention also provides an interlocking control mode of the automatic charging and distributing system of the activating furnace material inlet, which comprises the following steps: the activating furnace charging hopper 13 achieves high material level alarm through the arranged material level switch 17 at intervals of T1Charging the charging hopper 13 of the activation furnace to ensure that the charging hopper 13 of the activation furnace is always in a full state, and the charging interval time T1<Discharge interval time T of activation furnace2(ii) a Charging interval time T of activation furnace1Interlocked with an automatic feeding three-way valve 11, an activation furnace feeding elevator 10, a buffer material conveying belt 8 and an automatic gate valve 7 of a carbonization bin. The set charging time T is reached1The electric or pneumatic devices are started according to the sequence from the activation furnace to the direction of the carbonized material buffer bin 6. And when a material level switch 17 arranged on the charging hopper 13 of the activation furnace gives a high-level alarm, all the devices are sequentially closed in the direction from the carbonized material buffer bin 6 to the activation furnace.
The top of the activation furnace is provided with an activation furnace material distribution area 19 which feeds into a material feeding hopper 13 of the activation furnace through automatic feeding, and the feeding interval time T is1<Discharge interval time T of activation furnace2Under the condition of (3), the material in the material distribution area 19 of the activation furnace is always in a full state, so that the condition that the material gas in the material inlet of the activation furnace is leaked or the workers open the sealing cover plate 16 for feeding can be avoided.
Preferably, the front section of the automatic charging and distributing system is provided with a slag cooler 1 and a rotary screen 4, the high-temperature carbonized materials do not fall to the ground, the materials are cooled to normal temperature and enter the rotary screen 4, and the screened qualified materials enter a carbonized material buffer bin 6 for storage. And conveying unqualified screened powder to a coal preparation process by adopting pneumatic conveying equipment for blending of the activated carbon.
Preferably, the main body of the carbonization material buffer bin 6 is provided with a remote transmission high-low material level switch, and the bottom discharge hole is provided with an automatic gate valve 7 of the carbonization material bin with an overhauling hand wheel. And the carbonized material hoister and conveying mechanical equipment in front of the carbonized material buffer bin 6 are used for feeding materials in an interlocking manner according to the state of the remote transmission signal of the remote transmission high-low material level switch.
Preferably, the bottom of the activation furnace charging hoister 10 is provided with an accident charging hopper 9, and the activation furnace can be continuously charged when the conveying mechanical equipment in front of the activation furnace charging hoister 10 breaks down. The top of the activation furnace is provided with an activation furnace maintenance electric hoist 12 for the charging of the activation furnace and the maintenance and replacement of refractory bricks in the activation furnace when the charging hoist 10 of the activation furnace fails.
Preferably, the top of the activation furnace is provided with an activation furnace feeding hopper 13 for feeding, buffering and distributing materials. When the charging hoister 10 of the activation furnace fails or the material is blocked in the furnace, the charging hopper 13 of the activation furnace can be shifted for charging the activation furnace or overhauling the furnace.
Preferably, the top of the activation furnace is provided with a cloth area 19 of the activation furnace, and the height H of the cloth layer of the cloth area 19 of the activation furnace is at least larger than the height calculated by the stacking angle of the materials.
Preferably, the automatic charging and distributing system is further provided with a bag-type dust collector, a dust removing opening of the dust collector is arranged near a blanking opening of each device, and the fine powder after dust removal is sent to the blending process of the coal preparation process through pneumatic conveying equipment.
The slag cooler 1, the Z-type elevator 2, the belt conveyor 3, the rotary screen 4, the discharging device 5, the remote-transmission high-low material level switch, the carbonization bin automatic gate valve 7, the buffer material conveying belt 8, the accident hopper 9, the activation furnace charging elevator 10, the automatic charging three-way valve 11, the activation furnace maintenance electric hoist 12, the material level switch 17, the activation furnace charging automatic gate valve 18 and the pneumatic conveying equipment are respectively connected with the PLC system or the DCS system.
The automatic feeding and distributing system for the material inlet of the activation furnace provided by the invention can realize automatic feeding and distributing (the raw material is a carbonized material) of the material inlet of the activation furnace, and has four functions of automatic cooling, transferring and screening of the carbonized material, automatic feeding of a carbonized stock bin, automatic feeding and distributing of the activation furnace and recycling of powder.
Automatic cooling, transferring and screening of the carbonized material: the carbonized material is cooled to normal temperature by the slag cooler 1, and is sent to the drum screen 4 by the Z-type elevator 2 and the belt conveyor 3 (the conveying mechanical equipment can be specifically configured according to the arrangement of the field), the screened qualified material is sent to the carbonized material buffer bin 6 for storage, and the unqualified powder is sent to the coal preparation process by the pneumatic conveying equipment (bin pump or Roots blower) for proportioning. The material of retort to 6 whole processes in the carbonization material buffering feed bin is adopted and is not fallen to the ground airtight transport, and carbonization process equipment can not cause the influence to the production of low reaches activation process when overhauing in the setting of carbonization material buffering feed bin 6.
Automatic charging of a carbonization bin: the qualified carbonized material of screening is delivered to the carbonized material buffer bin 6 through a lifter, an automatic three-way valve and a forward and reverse rotating belt (the material lifting equipment can be specifically configured according to the number of the buffer bins), and the carbonized material buffer bin 6 is provided with a remote transmission high and low material level switch. When a remote high-low material level switch in the carbonized material buffer bin 6 gives an alarm, the equipment from the hoister to the carbonized material buffer bin 6 is interlocked and automatically switched to the carbonized material buffer bin 6 without the alarm.
Automatic charging and distributing of an activation furnace: the automatic control of the automatic charging and distributing process of the activation furnace is mainly controlled by interlocking with a conveying device and an automatic valve between the activation furnace and the carbonization material buffer bin 6, the devices are opened in a reverse order, and the sequence is stopped. The activation furnace charging hopper 13 is provided with a high material level alarm, the bottom discharge hole is provided with an activation furnace charging automatic gate valve 18, and the time interval T is1And feeding the materials into the feeding hopper 13 of the activation furnace to ensure that the feeding hopper 13 of the activation furnace is always in a full material state. When the material is full, the material level switch 17 gives an alarm at a high position and is connected with the automatic gate valve 7 of the carbonization bin, the buffer material conveying belt 8, the activation furnace charging elevator 10, the automatic charging three-way valve 11 and the activation furnace chargingThe automatic gate valves 18 are interlocked and the sequence stops. When the set charging interval time T is reached again1The electric or pneumatic devices are started according to the reverse sequence from the buffer tank to the activation furnace. Interval time T of charging1<Discharge interval time T of activation furnace2。
The bottom of the activation furnace charging hoister 10 is provided with an accident charging hopper 9, and the materials can be continuously charged into the activation furnace when the conveying mechanism in front of the activation furnace charging hoister 10 breaks down. The top of the activation furnace is provided with an overhaul electric hoist 12 which is used for the fault of the charging hoister 10 of the activation furnace, the charging of the activation furnace and the overhaul and replacement of refractory bricks in the furnace. And the side wall of the activation furnace feeding hopper 13 is provided with an activation furnace feeding hopper bracket 14 and a sliding guide rail 15 which is arranged at the top of the activation furnace. When the charging hoister 10 of the activation furnace fails or the material is blocked in the furnace, the charging hopper 13 of the activation furnace can be shifted for charging the activation furnace or overhauling the furnace.
And (3) powder recycling: the powder in the automatic feeding and distributing system is mainly fine powder screened by a drum screen 4 and dust of each blanking point collected by a bag-type dust collector. The collected dust is sent to the proportioning process of the coal preparation process through pneumatic conveying equipment
The embodiments described above are merely preferred embodiments of the invention, rather than all possible embodiments of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (6)
1. An automatic charging and distributing system for a feed inlet of an activation furnace is characterized by comprising a slag cooler (1), a rotary screen (4) and a carbonized material buffer bin (6), wherein more than one slag cooler (1) is arranged, a Z-type lifter (2) and conveying mechanical equipment are arranged between the slag cooler (1) and the rotary screen (4), and the rotary screen (4) is connected with the carbonized material buffer bin (6) through the carbonized material lifter and a discharging device (5); a buffer material conveying belt (8) is arranged below the carbonization material buffer bin (6), and an activation furnace charging elevator (10) and an activation furnace are sequentially arranged at the tail end of the buffer material conveying belt (8); the upper part of the activation furnace charging elevator (10) is provided with an automatic charging three-way valve (11), and the bottom of the activation furnace charging elevator is provided with an accident charging hopper (9);
the top of the activation furnace is provided with an activation furnace material distribution area (19), and a charging hopper (13) of the activation furnace is arranged above the activation furnace material distribution area (19); a material level switch (17) is arranged at the top of the activation furnace charging hopper (13), and a discharge hole at the bottom of the activation furnace charging hopper is provided with an activation furnace charging automatic gate valve (18); the automatic feeding three-way valve (11) is connected with a feeding hopper (13) of the activation furnace through a pipeline; and the bottom of the carbonization material buffer bin (6) is provided with an automatic gate valve (7) of the carbonization material bin.
2. The automatic feeding and distributing system for the feeding port of the activation furnace as claimed in claim 1, wherein a bracket (14) of the feeding hopper of the activation furnace is arranged on the side wall of the feeding hopper (13) of the activation furnace; the activation furnace charging hopper support (14) is connected with a sliding guide rail (15) arranged at the top of the activation furnace; the top of the activation furnace is provided with an activation furnace maintenance electric gourd (12); and a sealing cover plate (16) is also arranged on the activation furnace.
3. The automatic feeding and distributing system for the activating furnace feeding port as claimed in claim 2, wherein the automatic feeding and distributing system for the activating furnace feeding port is further provided with a pneumatic conveying device, and more than one feeding hoppers (13) of the activating furnace are arranged.
4. The automatic charging and distributing system for the charging hole of the activation furnace as claimed in claim 3, wherein a bag-type dust remover is further provided in the automatic charging and distributing system.
5. The interlocking control mode of the automatic charging and distributing system of the activation furnace material inlet according to the claim 3 is characterized in that the activation furnace charging hopper (13) achieves high material level alarm through the arranged material level switch (17), and the interval time T is T1Charging the charging hopper (13) of the activation furnace to ensure that the charging hopper (13) of the activation furnace is always in a full charge state, and the charging interval time T1<Discharge interval time T of activation furnace2(ii) a Charging interval time T of activation furnace1Is interlocked with an automatic feeding three-way valve (11), an activation furnace feeding hoister (10), a buffer material conveying belt (8) and an automatic gate valve (7) of a carbonization bin; the set charging time T is reached1When the device is used, all the electric or pneumatic devices are started according to the sequence from the activation furnace to the direction of the carbonized material buffer bin (6); when a material level switch (17) arranged on a charging hopper (13) of the activation furnace gives a high-level alarm, all the devices are sequentially closed along the direction from the carbonized material buffer bin (6) to the activation furnace; the top of the activation furnace is provided with an activation furnace material distribution area (19) which feeds materials into a material feeding hopper (13) of the activation furnace through automatic feeding, and the time interval T of feeding is1<Discharge interval time T of activation furnace2Under the condition of (3), the material in the material distribution area (19) of the activation furnace is always in a full material state; the related interlocking is realized by connecting equipment with a PLC system or a DCS system.
6. The automatic charging and distributing system for the charging opening of the activation furnace as claimed in claim 3, wherein the conveying mechanical equipment arranged between the slag cooler (1) and the drum screen (4) is a belt conveyor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101675.1A CN113816377A (en) | 2021-09-18 | 2021-09-18 | Automatic material feeding and distributing system for material inlet of activation furnace |
Applications Claiming Priority (1)
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