CN113666054A - Active carbon conveying device and active carbon desulfurization and denitrification system - Google Patents
Active carbon conveying device and active carbon desulfurization and denitrification system Download PDFInfo
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- CN113666054A CN113666054A CN202010414844.6A CN202010414844A CN113666054A CN 113666054 A CN113666054 A CN 113666054A CN 202010414844 A CN202010414844 A CN 202010414844A CN 113666054 A CN113666054 A CN 113666054A
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- air
- activated carbon
- shell
- active carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/26—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of co-operating units, e.g. interconnected by pivots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides an active carbon conveying device and an active carbon desulfurization and denitrification system, comprising: a heating mechanism having a first air inlet and a first air outlet; the conveying mechanism comprises a shell and an active carbon conveying part arranged in the shell, the shell is provided with a material inlet and a material outlet for the active carbon conveying part to enter and exit, and a second air inlet and a second air outlet for air in the shell to flow, and the second air inlet is connected with the first air outlet through a hot air pipeline; and the negative pressure mechanism is connected with the second air outlet and is used for forming negative pressure in the shell. The problem that condensed water is easily formed inside the box body due to the internal and external temperature difference of the box body of the activated carbon conveyor in the prior art is solved.
Description
Technical Field
The invention belongs to the field of sintering flue gas desulfurization and denitrification material circulating devices, and particularly relates to an active carbon conveying device and an active carbon desulfurization and denitrification system.
Background
The active carbon conveyor is an important link of a material circulating system in an active carbon desulfurization and denitrification project, and whether the operation of the active carbon conveyor normally and directly affects the whole system, at present, in the process of conveying active carbon particles by the active carbon conveyor, the hopper of the conveyor is inflexible to turn over and cannot return in time, so that the hopper of the conveyor is damaged and abnormal in posture, and the operation of the whole system and a sintering machine system is seriously affected due to the generation of interlocking and tripping; meanwhile, carbon powder is accumulated into blocks in the box body, the conveying chain and the chain wheel are corroded and abraded, the conveying chain and the chain wheel are slowly rusted, the conveying chain and the chain wheel slide on the track to drag, the friction of the chain wheel is aggravated, and the service life of the chain of the activated carbon conveyor is greatly shortened under the dual effects of corrosion and abrasion.
Therefore, a new activated carbon delivery device is needed to solve the above problems.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide an activated carbon conveying apparatus and an activated carbon desulfurization and denitrification system, which are used to solve the problem in the prior art that condensed water is easily formed inside a box of an activated carbon conveyor due to the difference between the inside temperature and the outside temperature of the box.
To achieve the above and other related objects, the present invention provides an activated carbon delivery apparatus comprising: a heating mechanism having a first air inlet and a first air outlet; the conveying mechanism comprises a shell and an active carbon conveying part arranged in the shell, the shell is provided with a material inlet and a material outlet for the active carbon conveying part to enter and exit, and a second air inlet and a second air outlet for air in the shell to flow, and the second air inlet is connected with the first air outlet through a hot air pipeline; and the negative pressure mechanism is connected with the second air outlet and is used for forming negative pressure in the shell.
Preferably, a plurality of groups of temperature detection devices are arranged in the shell, and all the temperature detection devices are connected with the controller.
Preferably, an insulating layer is arranged on the outer surface of the shell.
Preferably, heating mechanism includes steam channel, air passageway and heating plate, steam channel, air channel all pass through the heating plate, just steam channel with air channel carries out the heat transfer in heating plate department, first air inlet and first gas outlet set up on the air channel, last steam inlet and the steam delivery port of being provided with of steam channel.
Preferably, the steam inlet is provided with a valve, and the valve is connected with a controller.
The invention also provides an activated carbon desulfurization and denitrification system which comprises an activated carbon adsorption tower and the activated carbon conveying device, wherein the material inlet is communicated with the discharge outlet of the activated carbon adsorption tower.
As described above, the activated carbon conveying device and the activated carbon desulfurization and denitrification system according to the present invention have the following beneficial effects:
the negative pressure mechanism forms negative pressure in the shell of the conveying mechanism, the negative pressure in the shell is equivalent to a power mechanism, external air is sucked into the heating mechanism, the air enters the shell of the conveying mechanism through a hot air pipeline after being heated in the heating mechanism, activated carbon particles are poured into the conveying mechanism from a material inlet after the interior of the conveying mechanism reaches a certain temperature, the activated carbon conveying piece conveys the activated carbon to a material outlet for output so as to carry out next process treatment, and because the air input into the shell is high-temperature gas, water vapor in the shell cannot be condensed into water, so that metal parts on the activated carbon conveying piece are prevented from being corroded, meanwhile, the activated carbon in the shell cannot be condensed into carbon blocks, the phenomenon that the activated carbon conveying piece cannot be normally conveyed, the activated carbon conveying piece is damaged and has abnormal posture, and interlocking machine tripping is generated, so that the operation of the whole system and a sintering machine system is influenced is avoided, reducing the life of the activated carbon conveyor.
Drawings
Fig. 1 is a schematic structural diagram of an activated carbon delivery device according to the present invention.
Description of the element reference numerals
1 activated carbon conveyer
2 thermocouple
3 dust removal pipeline
4 dust hood
5 Hot gas pipeline
6 steam heater
7 steam outlet
8 first air inlet
9 valve
10 steam inlet
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
As shown in fig. 1, the present invention provides an activated carbon delivery apparatus comprising: a heating mechanism having a first air inlet 8 and a first air outlet; the conveying mechanism comprises a shell and an active carbon conveying part arranged in the shell, the shell is provided with a material inlet and a material outlet for the active carbon conveying part to enter and exit, and a second air inlet and a second air outlet for air in the shell to flow, and the second air inlet is connected with the first air outlet through a hot air pipeline 5; and the negative pressure mechanism is connected with the second air outlet and is used for forming negative pressure in the shell.
Negative pressure mechanism forms the negative pressure in with conveying mechanism's the casing, negative pressure in the casing is equivalent to a power unit, inhale heating mechanism with outside air, after the air heats in heating mechanism, get into conveying mechanism's casing through hot gas pipeline 5 inside, make conveying mechanism's the inside high temperature environment that keeps of casing, avoid the temperature to be less than the air temperature that gets into conveying mechanism along with the active carbon granule, produce the comdenstion water with this and carry the metalwork corruption on the piece with the active carbon, in addition, also avoid the active carbon granule to condense into the piece, influence normal transport.
Specifically, in this embodiment, the conveying mechanism is an activated carbon conveyor 1, as shown in fig. 1, a plurality of sets of temperature detection devices are arranged in a casing of the activated carbon conveyor 1, and all the temperature detection devices are connected to a controller, in this embodiment, the temperature detection devices are thermocouples 2, the thermocouples 2 are used for detecting the temperature inside the casing, and when the temperature inside the casing reaches a certain temperature, the activated carbon conveying member is started, and the activated carbon conveying member starts to convey activated carbon particles; meanwhile, when the activated carbon conveying piece conveys the activated carbon particles, the thermocouple 2 can detect the temperature inside the shell at any time and transmit the detected temperature to the controller in real time, and the controller performs related operations to maintain the temperature inside the shell within a stable range.
Be provided with the heat preservation in this embodiment on the surface of shell, the heat preservation is used for keeping warm to the casing, further prevents that the inside temperature of casing from crossing lowly, and vapor condenses into the water droplet, leads to the active carbon granule caking, damages the active carbon and carries the piece, influences follow-up technology.
Heating mechanism includes steam channel, air duct and heating plate in this embodiment, and steam channel, air duct all pass through the heating plate, and steam channel and air duct carry out the heat transfer in heating plate department, and first air inlet 8 and first gas outlet setting are provided with steam inlet 10 and steam outlet 7 on the steam channel, and heating mechanism is steam heater 6 in this embodiment, utilizes high temperature steam to heat, can control the inside temperature of casing more easily. The steam inlet 10 is provided with a valve 9, the valve 9 is connected with a controller, after the controller receives a temperature signal transmitted by the thermocouple 2, the opening size of the valve 9 is controlled in real time, the temperature inside the shell is controlled within a stable range, when the temperature inside the shell is too high, the controller reduces the opening size of the valve 9, so that the air input of high-temperature steam is reduced, the temperature inside the shell is reduced, the phenomenon that the temperature inside the shell is too high, the spontaneous combustion of activated carbon particles and safety accidents are caused can be prevented, and generally, the temperature inside the shell does not exceed 80 degrees; when the inside temperature of casing was crossed lowly, increase valve 9's aperture, the air input of increase high temperature steam to improve the inside temperature of casing, prevent that the inside temperature of casing from crossing lowly, the inside vapor condensation of casing becomes water, corrodes the active carbon and carries the piece, and lets the active carbon granule caking.
Specifically, in this embodiment, negative pressure device is the dust collector of active carbon conveyer 1 from the area, dust collector includes dust removal pipeline 3 and dust excluding hood 4, the power of air admission casing is regarded as to the negative pressure in the dust collector, dust collector's negative pressure can also be with the active carbon powder suction casing that the inside active carbon particle collision of casing produced simultaneously, dust excluding hood 4 can be with active carbon powder accumulation in dust excluding hood 4, because here dust collector plays active carbon powder exhaust and hot-air exhaust's effect, not only can each structure of make full use of, the saving device configuration cost, the flow of hot-air can be more quick with active carbon powder exhaust casing simultaneously.
The whole process of air entering the active carbon conveying device comprises the following steps:
the dust collector on the activated carbon conveyor 1 forms negative pressure in the shell, air enters the steam heater 6 from the first air inlet 8, the steam heater 6 heats the air, the heated air flows out from the second air outlet, and enters the shell through the hot air pipeline 5 connected with the second air outlet, and finally flows out of the shell from the dust collection pipeline 3 of the dust collector.
The invention also provides an activated carbon desulfurization and denitrification system which comprises the activated carbon adsorption tower and the activated carbon conveying device, wherein the material inlet is communicated with the discharge port of the activated carbon adsorption tower.
There is a large amount of steam in the lower part of active carbon adsorption tower of active carbon SOx/NOx control system, and when the active carbon in the active carbon adsorption tower flows to active carbon conveyer 1, these steam can get into active carbon conveyer 1 along with the active carbon, and the active carbon transport piece in the active carbon conveyer 1 includes conveying chain and the slip transport scraper bowl of locating on the conveying chain, and it is the metalwork. Therefore, in the embodiment, the activated carbon conveying device adopts the heating mechanism and the negative pressure mechanism to enable the temperature in the shell to be close to the temperature of water vapor discharged from the activated carbon adsorption tower, so that condensed water generated due to temperature difference is avoided, and metal parts such as conveying chains and the like are further corroded; in addition, the high temperature environment in the casing also avoids the active carbon granule to get into in the casing and the caking that condenses to this avoids causing active carbon conveyer's transport scraper bowl to damage and the gesture is unusual, produces the interlocking and jumps the machine, ensures whole active carbon SOx/NOx control system's operation, improves active carbon conveyor's life-span.
In this embodiment, before the activated carbon particles are conveyed, high-temperature steam is introduced into the steam heater 6 through the steam inlet 10 to heat the heating sheet, and simultaneously the negative pressure mechanism of the activated carbon conveying device is started to form negative pressure inside the casing, air enters the steam heater 6 through the first air inlet 8 of the steam heater 6 to be heated, in this embodiment, the whole side surface of the steam heater 6 is the air inlet, as shown by the surface of the steam heater 6 shown in fig. 1, that is, the surface of the steam heater 6 where the first air inlet 8 is located, heated hot air enters the casing through the hot air pipeline 5, when the temperature detection device detects that the temperature inside the casing reaches 80 degrees, the activated carbon conveyor 1 is started to make the activated carbon particles in the activated carbon adsorption tower enter the conveying bucket, and the conveying bucket conveys the activated carbon particles to the material outlet, when the active carbon is conveyed, the temperature detection device detects the temperature inside the shell in real time and transmits the detected temperature to the controller, the controller controls the opening degree of the valve 9 according to the received signal, and the temperature inside the shell is controlled by controlling the air inflow of high-temperature steam, so that no condensed water is generated, and the spontaneous combustion of the active carbon due to overhigh temperature is avoided.
In summary, according to the activated carbon conveying device of the present invention, the negative pressure mechanism in the activated carbon conveying device forms negative pressure in the casing of the conveying mechanism, the negative pressure in the casing is equivalent to a power mechanism, external air is sucked into the heating mechanism, the air enters the casing of the conveying mechanism through the hot gas pipeline after being heated in the heating mechanism, after the inside of the conveying mechanism reaches a certain temperature, activated carbon particles are poured into the conveying mechanism from the material inlet, the activated carbon conveying member conveys the activated carbon to the material outlet for outputting, so as to perform the next process treatment, because the air input into the casing is high temperature gas, water vapor in the casing cannot be condensed into water, thereby avoiding corrosion of metal parts on the activated carbon conveying member, and meanwhile, the activated carbon in the casing cannot be condensed into carbon blocks, thereby avoiding that the activated carbon conveying member cannot be normally conveyed, the damage and the abnormal posture of the active carbon conveying piece are caused, the interlocking and the machine jumping are generated, the operation of the whole system and a sintering machine system is influenced, and the service life of the active carbon conveying machine is shortened.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. An activated carbon delivery apparatus, comprising:
a heating mechanism having a first air inlet (8) and a first air outlet;
the conveying mechanism comprises a shell and an active carbon conveying part arranged in the shell, the shell is provided with a material inlet and a material outlet for the active carbon conveying part to enter and exit, and a second air inlet and a second air outlet for air in the shell to flow, and the second air inlet is connected with the first air outlet through a hot air pipeline (5);
and the negative pressure mechanism is connected with the second air outlet and is used for forming negative pressure in the shell.
2. An activated carbon delivery apparatus as defined in claim 1, wherein: a plurality of groups of temperature detection devices are arranged in the shell, and all the temperature detection devices are connected with the controller.
3. An activated carbon delivery apparatus as defined in claim 1, wherein: and the outer surface of the shell is provided with a heat insulation layer.
4. An activated carbon delivery apparatus as defined in claim 1, wherein: heating mechanism includes steam channel, air duct and heating plate, steam channel, air duct all pass through the heating plate, just steam channel with air duct carries out the heat transfer in heating plate department, first air inlet (8) and first gas outlet set up on the air duct, last steam inlet (10) and the steam delivery port (7) of being provided with of steam channel.
5. An activated carbon delivery apparatus according to claim 4, wherein: the steam inlet (10) is provided with a valve (9), and the valve (9) is connected with a controller.
6. An activated carbon desulfurization and denitrification system comprising an activated carbon adsorption tower and an activated carbon conveying device as claimed in any one of claims 1 to 5, wherein the material inlet is communicated with a material outlet of the activated carbon adsorption tower.
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| CN202010414844.6A CN113666054B (en) | 2020-05-15 | 2020-05-15 | Active carbon conveying device and active carbon desulfurization and denitrification system |
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| CN113666054B CN113666054B (en) | 2023-02-03 |
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| US5542616A (en) * | 1994-06-20 | 1996-08-06 | Natural Pac Company | Grain-de-acidizing process mill |
| JP2000128358A (en) * | 1998-10-28 | 2000-05-09 | Kureha Chem Ind Co Ltd | Quantitative transfer method and device for dry powder activated carbon |
| CN207006766U (en) * | 2017-06-30 | 2018-02-13 | 宁夏翔泰新材料科技有限公司 | Bituminous coal base agglomerated activated carbon raw material stoving device |
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| CN107906857A (en) * | 2017-10-20 | 2018-04-13 | 青岛理工大学 | A kind of negative pressure dryer |
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| WO2019196486A1 (en) * | 2018-04-08 | 2019-10-17 | 中冶长天国际工程有限责任公司 | Desulfurization and denitration device having high-efficiency denitration |
| CN209558875U (en) * | 2019-02-27 | 2019-10-29 | 泉州市秀仿生态农业有限公司 | Feeding mechanism is used in a kind of drying of active carbon |
| CN110538647A (en) * | 2019-10-14 | 2019-12-06 | 中国科学院过程工程研究所 | Activated carbon desulfurization and denitrification regeneration system |
-
2020
- 2020-05-15 CN CN202010414844.6A patent/CN113666054B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542616A (en) * | 1994-06-20 | 1996-08-06 | Natural Pac Company | Grain-de-acidizing process mill |
| JP2000128358A (en) * | 1998-10-28 | 2000-05-09 | Kureha Chem Ind Co Ltd | Quantitative transfer method and device for dry powder activated carbon |
| CN206996206U (en) * | 2017-05-23 | 2018-02-13 | 海诺尔环保产业股份有限公司 | A kind of waste incineration activated carbon mixing jetting device |
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| CN107906857A (en) * | 2017-10-20 | 2018-04-13 | 青岛理工大学 | A kind of negative pressure dryer |
| CN107940938A (en) * | 2017-12-21 | 2018-04-20 | 徐州腾宇羽绒制品设备有限公司 | Hot-air down drier without mixing |
| WO2019196486A1 (en) * | 2018-04-08 | 2019-10-17 | 中冶长天国际工程有限责任公司 | Desulfurization and denitration device having high-efficiency denitration |
| CN209558875U (en) * | 2019-02-27 | 2019-10-29 | 泉州市秀仿生态农业有限公司 | Feeding mechanism is used in a kind of drying of active carbon |
| CN110538647A (en) * | 2019-10-14 | 2019-12-06 | 中国科学院过程工程研究所 | Activated carbon desulfurization and denitrification regeneration system |
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