CN203862251U - Active coke regeneration device - Google Patents
Active coke regeneration device Download PDFInfo
- Publication number
- CN203862251U CN203862251U CN201420276954.0U CN201420276954U CN203862251U CN 203862251 U CN203862251 U CN 203862251U CN 201420276954 U CN201420276954 U CN 201420276954U CN 203862251 U CN203862251 U CN 203862251U
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- heat exchanger
- storehouse
- heating
- exchanger tube
- anoxybiotic
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- 239000000571 coke Substances 0.000 title claims abstract description 96
- 230000008929 regeneration Effects 0.000 title claims abstract description 29
- 238000011069 regeneration method Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 126
- 238000001816 cooling Methods 0.000 claims abstract description 71
- 239000002245 particle Substances 0.000 claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 122
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 54
- 238000007599 discharging Methods 0.000 claims description 42
- 229910052757 nitrogen Inorganic materials 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000000740 bleeding effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 description 49
- 230000001172 regenerating effect Effects 0.000 description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000003795 desorption Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000001839 systemic circulation Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- -1 PM2.5 Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 210000000498 stratum granulosum Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010010 raising Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses an active coke regeneration device which comprises a body, a heating circulation device, an air extractor and anaerobic devices. Internal heat exchange tubes are all horizontally and squarely arranged, heat exchange tubes of a preheating bin and a heating bin are crossed at an angle of beta 1 of more than 0 degrees and not more than 90 degrees on the same horizontal plane, and heat exchange tubes of the heating bin and a cooling bin are crossed at an angle of beta 2 of more than 0 degrees and not more than 90 degrees on the same horizontal plane, so that the wear of active coke (carbon) can be reduced and uniform heat exchange of particles can be guaranteed; the heating circulation device is capable of achieving large three-section heat exchange circulation of the cooling bin, the heating bin and the preheating bin, and the control is simple; the air extractor is capable of achieving uniform air extraction and effectively preventing granular dust from blocking an air extraction pipeline; the anaerobic devices at an inlet and an outlet are capable of guaranteeing oxygen-free environment in a regeneration tower. The active coke regeneration device can be used for a regeneration process of large active coke (carbon) purifying flue gas, and has the advantages of uniformity for heat exchange, low wear, completeness for air extraction, simplicity for control, safety and stability for continuous operation.
Description
Technical field
The utility model relates to stack gases process for comprehensively treating field, espespecially a kind of absorption SO
2, NO
x, the heavy metal such as PM2.5, mercury active coke regeneration device.
Background technology
Activated coke (charcoal) dry flue gas desulphurization denitration and integrated purification technology are that one is carried out the SO in purifying smoke using activated coke (charcoal) as removing agent
2, NO
x, the heavy metal such as PM2.5, mercury purification techniques.In this purifier, activated coke (charcoal) first removes the pollutant in flue gas, pollutant is adsorbed in activated coke (charcoal) with different shape, need afterwards to pass through renovation process, by activated coke (charcoal) thus the desorption of contaminants of absorption is out recovered the characterization of adsorption of saturated active coke (charcoal), it is recycled.
At present activated coke (charcoal) renovation process comprises two kinds of washing regeneration and thermal regenerations, in gas cleaning commercial Application mainly taking thermal regeneration as main.Particularly, activated coke (charcoal) thermal regeneration device mainly takes heat exchange mode to carry out indirect to activated coke (charcoal).
In existing heat transfer process, the heat exchange between activated coke (charcoal) and heat transferring medium conventionally has and stream, adverse current, cross-flow, baffling Four types.Consider from heat transfer effect, processing and fabricating, maintenance etc. are many-sided, activated coke (charcoal) should take adverse current or cross-flow mode and heat transferring medium to carry out heat exchange.But the inhomogeneous situation of existing activated coke (charcoal) regenerating unit ubiquity heat exchange, simultaneously activated coke (charcoal) serious wear, bleed thoroughly, pump-line easily stops up, whole system control complexity etc. is also the deficiency that prior art exists.
Utility model content
The purpose of this utility model is to provide a kind of active coke regeneration device, can realize the uniform heat exchange between activated coke (charcoal) and heat transferring medium, can also reduce the wearing and tearing of activated coke (charcoal) simultaneously, realize bleeding of regenerating unit inside more thorough.
The technical scheme that the utility model provides is as follows:
A kind of active coke regeneration device, comprising:
Body, described body is from up to down disposed with charging aperture, pre-heating cabin, heating cabinet, reaction warehouse, cooling storehouse, discharging opening;
Wherein, be provided with preheating heat exchanger in pre-heating cabin, this preheating heat exchanger is provided with into the first heat exchanger tube that horizontal direction is arranged;
In heating cabinet, be provided with heating heat exchanger, this heating heat exchanger is provided with into the second heat exchanger tube that horizontal direction is arranged, and the caliber direction of this second heat exchanger tube and the caliber direction of described the first heat exchanger tube β that has angle
1, and 0 ° of < β
1≤ 90 °;
In cooling storehouse, be provided with cooling heat exchanger, this cooling heat exchanger is provided with into the 3rd heat exchanger tube that horizontal direction is arranged, and the caliber direction of the 3rd heat exchanger tube and the caliber direction of described the second heat exchanger tube β that has angle
2, and 0 ° of < β
2≤ 90 °.
Further preferably, described the first heat exchanger tube, described the second heat exchanger tube, described the 3rd heat exchanger tube comprise respectively the multilayer straight tube of parallel arrangement;
Along the radial direction of straight tube, two pipe quadrates of the opposite position of adjacent two pipes and arbitrary adjacent layer distribute in every layer, and four pipes are respectively in foursquare four jiaos.
In this patent, four pipes refer to four pipes that quadrate mentioned above distributes.
Further preferably, described pre-heating cabin comprises the first left gas storehouse and the first right gas storehouse that are divided into preheating heat exchanger both sides;
Described heating cabinet comprises the second front gas storehouse and the second rear gas storehouse that are divided into heating heat exchanger both sides;
Described cooling storehouse comprises the 3rd left gas storehouse and the 3rd right gas storehouse that are divided into cooling heat exchanger both sides;
The two ends port of the every straight tube at described the first heat exchanger tube place is communicated to respectively the first left gas storehouse and the first right gas storehouse;
The two ends port of the every straight tube at described the second heat exchanger tube place is communicated to respectively the second front gas storehouse and the second rear gas storehouse;
The two ends port of the every straight tube at described the 3rd heat exchanger tube place is communicated to respectively the 3rd left gas storehouse and the 3rd right gas storehouse.
Further preferably, the entrance of described pre-heating cabin and the outlet of described heating cabinet are connected by pipeline;
The entrance of described heating cabinet is connected by pipeline with the outlet in described cooling storehouse, and is provided with electric heater and circulating fan at this connecting pipe place;
The entrance in described cooling storehouse is connected by pipeline with the outlet of described pre-heating cabin, and is provided with cooler at this connecting pipe place;
Wherein, the entrance of described pre-heating cabin, outlet are communicated with described the first left gas storehouse and described the first right gas storehouse respectively;
Entrance, the outlet of described heating cabinet are communicated with described the second front gas storehouse and described the second rear gas storehouse respectively;
Entrance, the outlet in described cooling storehouse are communicated with described the 3rd left gas storehouse and described the 3rd right gas storehouse respectively.
The direction of described pre-heating cabin, heating cabinet, cooling storehouse entrance, outlet is done corresponding variation according to heat exchanger tube row, and homonymy is arranged or opposite is arranged.
Further preferably, described the first heat exchanger tube, described the second heat exchanger tube, described the 3rd heat exchanger tube are light pipe or spiral fin coil.
Further preferably, aforesaid active coke regeneration device further comprises:
Charging buffering anoxybiotic storehouse, it is arranged between described charging aperture and described pre-heating cabin;
Discharging transition anoxybiotic storehouse, it is arranged between described cooling storehouse and described discharging opening;
Described charging buffering anoxybiotic storehouse comprises charging anoxybiotic member, and described discharging transition anoxybiotic storehouse comprises discharging anoxybiotic member;
Described charging anoxybiotic member and described discharging anoxybiotic member include annular spread in the nitrogen pipeline at described body place.
Further preferably, described nitrogen pipeline place is provided with anti-particle shade;
And/or;
Described discharging transition anoxybiotic is provided with particle air guide in storehouse.
Further preferably, aforesaid active coke regeneration device further comprises:
Upper air extraction structure, it is arranged between described pre-heating cabin and described heating cabinet;
Lower pumping structure, it is arranged at described reaction warehouse place.
Further preferably, described upper air extraction structure and described lower pumping structure include many annular gas pipelines, on this annular gas pipeline, are evenly distributed with many suction branches;
The outlet of described many annular gas pipelines is communicated to many bus dumps;
Described many bus dumps are communicated to the header of bleeding.
Further preferably, described suction branch is provided with dust block board;
And/or;
The quantity of described suction branch is 4-16.
A kind of active coke regeneration device providing by the utility model, can bring following at least one beneficial effect:
1. realize the uniform heat exchange between activated coke (charcoal) and heat transferring medium.The utility model is by the caliber direction of the first heat exchanger tube of pre-heating cabin and the caliber direction of the second heat exchanger tube of heating cabinet is in 90 ° or the interlaced arrangement of 0 ° of < angle≤90 °, and then activated coke is again uniform in the time flowing through heating cabinet, increase activated coke in the turbulence level of heating cabinet of flowing through; The simultaneously caliber direction of the second heat exchanger tube of heating cabinet and the caliber direction of the 3rd heat exchanger tube in cooling storehouse is in 90 ° or the interlaced arrangement of 0 ° of < angle≤90 °, can make the activated coke again can be again uniform in the time flowing through cooling storehouse, increase activated coke in the turbulence level in cooling storehouse of flowing through.After the turbulence level of activated coke improves, impel whole activated coke to contact with heat exchanger tube, and increase time of contact, can make the heat exchange between activated coke and heat transferring medium more even.
2. the wearing and tearing of activated coke have been reduced.Heat exchanger tube of the present utility model adopts square to arrange, compare triangle or other arrangement modes, the descent path of the activated coke forming between the pipeline of adjacent layer is independent of each other, and makes the descent path of activated coke without hindrance, more smooth and easy, realize the reduction of the wearing and tearing to activated coke.
3. effectively ensure that bleeding of regenerating unit inside is more all even thorough.The utility model is realized the extraction of the stripping gas to regenerating unit inside by upper air extraction structure and lower pumping structure are set.After activated coke is heated in pre-heating cabin, have a small amount of gas desorption out; Simultaneously activated coke, in the time flowing through heating cabinet, has more gas desorption out, so can effectively ensure that the stripping gas at pre-heating cabin and heating cabinet place is extracted out air extraction structure is set between pre-heating cabin and heating cabinet.Have a large amount of gas at reaction warehouse place in addition and be desorbed out, can realize the effective extraction to this portion gas so lower pumping structure is set herein.Meanwhile, two place's air extraction structures include suction branch, annular gas pipeline, bus dump, the header of bleeding, and suction branch number is more, and are uniformly distributed, and can effectively ensure that stripping gas everywhere is all drawn out of, and realize bleed all even thorough.Dust block board in suction branch, effectively prevents that Powdered activated coke (charcoal) from entering in pump-line, ensures and bleeds smoothly, and the clean degree of stripping gas.
4. effectively ensure the oxygen-free environment in regenerating unit.The utility model is provided with charging buffering anoxybiotic storehouse between charging aperture and pre-heating cabin, by the uniform regenerating unit inside of pouring of nitrogen, has ensured that the pressure of this inside, anoxybiotic storehouse is greater than external atmosphere pressure, has effectively stoped the entering of oxygen at charging aperture place; Meanwhile, the utility model is also provided with discharging transition anoxybiotic storehouse between discharging opening and cooling storehouse, by the uniform regenerating unit inside of pouring of nitrogen, has ensured that the pressure of this inside, anoxybiotic storehouse is greater than external atmosphere pressure, has effectively stoped the entering of oxygen at discharging opening place.Effectively ensure the oxygen-free environment in regenerating unit, improved the security reliability of device.Meanwhile, the nitrogen pipeline inside in the anoxybiotic storehouse at two places is provided with anti-particle shade, has effectively stoped activated coke to enter the line clogging causing in nitrogen pipeline.
5. realized heat exchange systemic circulation.The utility model is by the entrance between pre-heating cabin, heating cabinet, cooling storehouse, the connection of outlet, can realize heat transferring medium the recycling of this three place, and realized heat exchange systemic circulation, and then made technology controlling and process more simple.
6. can adjust flexibly according to specific circumstances use.The number of plies of the heat exchanger tube of pre-heating cabin in the utility model, heating cabinet, cooling Cang Chu can change according to concrete treating capacity, entrance, the Way out in pre-heating cabin, heating cabinet, cooling storehouse also can do corresponding variation according to the difference of the number of plies, and homonymy is arranged or opposite is arranged.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of embodiment of saturated active coke regenerating unit of the present utility model;
Fig. 2 is the A-A cross-sectional view in Fig. 1;
Fig. 3 is the B-B cross-sectional view in Fig. 1;
Fig. 4 is the C-C cross-sectional view in Fig. 1;
Fig. 5 is the D-D cross-sectional view in Fig. 1;
Fig. 6 is the arrangement schematic diagram of a kind of embodiment of the Multi-layer exchanging heat pipe at preheating heat exchanger of the present utility model or heating heat exchanger or cooling heat exchanger place.
Drawing reference numeral explanation:
Charging aperture 100, charging buffering anoxybiotic storehouse 200, charging anoxybiotic member 210, nitrogen pipeline 211, anti-particle shade 212, pre-heating cabin 300, preheating heat exchanger 310, upper air extraction structure 320, pre-heating cabin entrance 311, pre-heating cabin outlet 312, heating cabinet 400, heating heat exchanger 410, heating cabinet entrance 411, heating cabinet outlet 412, reaction warehouse 500, lower pumping structure 510, suction branch 511, annular gas pipeline 512, bus dump 513, the header 514 of bleeding, dust block board 515, cooling storehouse 600, cooling heat exchanger 610, cooling storehouse entrance 611, cooling storehouse outlet 612, discharging transition anoxybiotic storehouse 700, discharging anoxybiotic member 710, discharging opening 800, spiral fin coil 900, gas storehouse 910, electric heater 001, circulating fan 002, cooler 003, for nitrogen device 004, air-introduced machine 005.
Detailed description of the invention
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
In an embodiment of the present utility model, with reference to Fig. 1, active regeneration device comprises body, and body is from up to down disposed with charging aperture 100, pre-heating cabin 300, heating cabinet 400, reaction warehouse 500, cooling storehouse 600, discharging opening 800.Wherein, be provided with preheating heat exchanger 310 in pre-heating cabin 300, this preheating heat exchanger is provided with into the first heat exchanger tube that horizontal direction is arranged; In heating cabinet 400, be provided with heating heat exchanger 410, this heating heat exchanger is provided with into the second heat exchanger tube that horizontal direction is arranged, and the caliber direction of this second heat exchanger tube and the caliber direction of the first heat exchanger tube β that has angle
1, and 0 ° of < β
1≤ 90 °; In cooling storehouse 600, be provided with cooling heat exchanger 610, this cooling heat exchanger is provided with into the 3rd heat exchanger tube that horizontal direction is arranged, and the caliber direction of the 3rd heat exchanger tube and the caliber direction of the second heat exchanger tube β that has angle
2, and 0 ° of < β
2≤ 90 °.Such structure setting can be respectively by again uniform in the time that activated coke is flowed through heating cabinet and cooling storehouse, increase activated coke in the turbulence level in cooling storehouse of flowing through, impel whole activated coke to contact with heat exchanger tube, and increase time of contact, thereby can make the heat exchange between activated coke and heat transferring medium more even.
In an embodiment of the present utility model, with reference to Fig. 1 and Fig. 6, the first heat exchanger tube, the second heat exchanger tube, the 3rd heat exchanger tube can comprise respectively the multilayer straight tube (number of plies of heat exchanger tube can according to concrete treating capacity adjustment) of parallel arrangement; Wherein, when the radial direction along straight tube in the heat exchanger tube at this three place, two pipe quadrates of the opposite position of adjacent two pipes and arbitrary adjacent layer (upper strata or lower floor) in every layer (directly over or under) distribute, and (concrete is, these four pipes, respectively in foursquare four jiaos, form a square profile).
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 4, Fig. 5, pre-heating cabin 300 comprises the first left gas storehouse and the first right gas storehouse that are divided into preheating heat exchanger 310 both sides; Heating cabinet 400 comprises the second front gas storehouse and the second rear gas storehouse that are divided into heating heat exchanger 410 both sides; Cooling storehouse 600 comprises the 3rd left gas storehouse and the 3rd right gas storehouse that are divided into cooling heat exchanger 610 both sides; The two ends port of the every straight tube at the first heat exchanger tube place is communicated to respectively the first left gas storehouse and the first right gas storehouse; The two ends port of the every straight tube at the second heat exchanger tube place is communicated to respectively the second front gas storehouse and the second rear gas storehouse; The two ends port of the every straight tube at the 3rd heat exchanger tube place is communicated to respectively the 3rd left gas storehouse and the 3rd right gas storehouse.The first left gas storehouse, the first right gas storehouse, the second front gas storehouse, the second rear gas storehouse, the 3rd left gas storehouse, the 3rd right gas storehouse can arrange with reference to the gas storehouse 910 in figure.Because activated coke (charcoal) moves from top to bottom, the temperature of heat transferring medium also needs formation temperature gradient from bottom to top, reaches good heat transfer effect.Therefore, with regard to pre-heating cabin, heating cabinet, any place's entirety in cooling storehouse, heat transferring medium turns back and repeatedly flows in heat exchanger tube, the setting in gas storehouse can be for pre-heating cabin, heating cabinet, the heat transferring medium of the everywhere in cooling storehouse for example, is stored and is mixed in a side gas storehouse (left gas storehouse) of heat exchanger, flow into afterwards the Multi-layer exchanging heat pipe being communicated with gas storehouse (left gas storehouse) simultaneously, in the heat exchanger tube that heat transferring medium arranges in the horizontal direction, cross regenerating unit, enter again the gas storehouse (right gas storehouse) of opposite side, afterwards again from flow into Multi-layer exchanging heat pipe in the other direction simultaneously, enter the gas storehouse (left gas storehouse) of a side, realize the fluid interchange of repeatedly turning back, heat exchange is more even.Particularly, heat exchange tube diameter can be smaller, and the distance between pipeline need ensure that activated coke (charcoal) particle passes through smoothly, the blockage problem of not building bridge.
In an embodiment of the present utility model, with reference to Fig. 1, pre-heating cabin entrance 311 is connected by pipeline with heating cabinet outlet 412; Heating cabinet entrance 411 is connected by pipeline with cooling storehouse outlet 612, and is provided with electric heater 001 and circulating fan 002 at this connecting pipe place; Cooling storehouse entrance 611 is connected by pipeline with pre-heating cabin outlet 312, and is provided with cooler 003 at this connecting pipe place; Wherein, pre-heating cabin entrance 311, pre-heating cabin outlet 312 are communicated with the first left gas storehouse and the first right gas storehouse respectively; Heating cabinet entrance 411, heating cabinet outlet 412 are communicated with the second front gas storehouse and the second rear gas storehouse respectively; Cooling storehouse entrance 611, cooling storehouse outlet 612 are communicated with the 3rd left gas storehouse and the 3rd right gas storehouse respectively.The heat transferring medium of low temperature enters gas storehouse, right side/left side by cooling storehouse entrance 611, fluid in gas storehouse is uniform which floor heat exchanger tube (number of plies is determined according to Practical Project demand) that simultaneously flows into again, heat transferring medium crosses regenerating unit in horizontal heat exchange tube, enter afterwards left/right gas storehouse, fluid upwards flows again, enter in heat exchanger tube to right/left afterwards, again cross regenerating unit and carry out heat exchange, enter again afterwards gas storehouse, right side/left side, the fluid interchange of so repeatedly turning back, has finally flowed out particle by cooling storehouse outlet 612 cooling.Heat transferring medium after heat exchange heats up enters electric heater by circulating fan again and carries out high-temperature heating, rise to 480 DEG C～500 DEG C left and right, enter heating cabinet by heating cabinet entrance 411, turning back flows carries out heat exchange to particle, finally export 412 by heating cabinet and flow out, complete particle heating.Heat transferring medium after cooling enters preheating heat exchanger by pre-heating cabin entrance 311 again, and activated coke particle is preheated, and finally exports 312 by pre-heating cabin and flows out.Heat exchange medium temperature after cooling, still higher than 100 DEG C, need to be lowered the temperature by cooler 003 again, and then enters cooling storehouse and activated coke (charcoal) is carried out cooling, so completes a whole set of thermal cycle.So just realize heat transferring medium the recycling of this three place, realized heat exchange systemic circulation, and then make technology controlling and process more simple.
In an embodiment of the present utility model, preferably, the first heat exchanger tube, the second heat exchanger tube, the 3rd heat exchanger tube are light pipe or spiral fin coil; The outer wall of light pipe is smooth, can reduce the wearing and tearing to activated coke, and spiral fin coil can increase fin to increase the external surface area of pipe by the surface at pipe, thereby can improve heat exchange efficiency.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, active coke regeneration device further comprises charging buffering anoxybiotic storehouse 200, it is arranged between charging aperture 100 and pre-heating cabin 300; Discharging transition anoxybiotic storehouse 700, it is arranged between cooling storehouse 600 and discharging opening 800; Charging buffering anoxybiotic storehouse 200 comprises charging anoxybiotic member 210, and discharging transition anoxybiotic storehouse 700 comprises discharging anoxybiotic member 710; Charging anoxybiotic member 210 and discharging anoxybiotic member 710 include annular spread in the nitrogen pipeline 211 at regenerating unit body place.Preferably, nitrogen pipeline 211 places are provided with anti-particle shade 212; Preferably, in discharging transition anoxybiotic storehouse 700, be provided with particle air guide.Because the hole of activated coke (charcoal) the inside own can be carried containing oxygen air, so must headroom before entering the heat exchange stage.Activated coke (charcoal) is in the time entering charging buffering anoxybiotic storehouse, and nitrogen enters regenerating unit by the nitrogen pipeline of charging anoxybiotic member.Because activated coke (charcoal) constantly falls, in order to prevent that activated coke (charcoal) from entering nitrogen pipeline, in regenerating unit, above nitrogen mouth, arrange anti-particle shade.Nitrogen constantly pours, and ensures that the pressure in charging buffering anoxybiotic storehouse is greater than charging aperture pressure, by continuous purging replace activated coke (charcoal) particle gap containing oxygen air.In activated coke (charcoal) containing oxygen air by nitrogen replacement after, enter pre-heating cabin preheating.Meanwhile, due to the opening of discharging opening, the extraneous oxygen air that contains enters regenerating unit thereupon, therefore in discharging transition anoxybiotic storehouse, has arranged too discharging anoxybiotic member.Nitrogen constantly pours, and ensures that the pressure in discharging transition anoxybiotic storehouse is greater than discharging opening pressure, has effectively stoped entering of air.Quantities is larger, and regenerating unit is larger, and activated coke (charcoal) translational speed non-uniformity problem is just more outstanding, therefore need in discharging transition anoxybiotic storehouse, arrange particle air guide.The setting in charging buffering anoxybiotic storehouse and discharging transition anoxybiotic storehouse, has effectively ensured the oxygen-free environment in regenerating unit, has improved the security reliability of device.With reference to Fig. 1, charging buffering anoxybiotic storehouse 200 is connected for nitrogen device 004 with one with discharging transition anoxybiotic storehouse 700 simultaneously.
In an embodiment of the present utility model, the gas being desorbed out in order to extract activated coke out, with activity recovery Jiao's activity, regenerating unit inside further arranges air extraction structure and lower pumping structure.Because activated coke (charcoal) has a small amount of gas desorption out at 180 DEG C, activated coke is in the time flowing through heating cabinet simultaneously, have more gas desorption out, thus air extractor is being set between pre-heating cabin and heating cabinet, to extract the stripping gas of this position, two places.Have a large amount of gas at reaction warehouse place in addition and be desorbed out, can realize the effective extraction to this portion gas so lower pumping structure is set herein.With reference to Fig. 1, Fig. 3, upper air extraction structure 320 is arranged between pre-heating cabin 300 and heating cabinet 400, and lower pumping structure 510 is arranged at reaction warehouse 500 places.The structure that upper air extraction structure and lower pumping structure can be set to pipeline extracting gases realizes, and pipeline can be distributed in regenerating unit inside, effectively to ensure extracting more thoroughly to stripping gas.With reference to Fig. 1 and Fig. 3, a kind of preferred structure of upper air extraction structure 320 and lower pumping structure 510 has comprised many annular gas pipelines 512, annular gas pipeline can be arranged as multiring structure equably, on this annular gas pipeline, be evenly distributed with many suction branches 511, the number of suction branch is multiple (for example can be 4-16), and be uniformly distributed in regenerating unit inside, so that stripping gas is everywhere extracted; The outlet of many annular gas pipelines 512 is communicated to many bus dumps 513 (can be set to as figure the bus dump of the cross structure of two formations, annular gas pipeline is taking the bus dump of this cross structure as framework setting, and establishes taking this cross structure center as basic point ring); Many bus dumps 513 conflux and are communicated to the header 514 of bleeding.Particularly, with reference to Fig. 1 and Fig. 3, first stripping gas enters suction branch, then enters annular gas pipeline by suction branch, and is flowed to two bus dumps, is finally extracted out by air-introduced machine 005 by the header of bleeding of centre.Preferably, with reference to Fig. 1, suction branch is provided with dust block board 515, in stripping gas, can contain part granule dust, first stripping gas collides the dust block board in suction branch, and dust is clashed into, again fall into the stratum granulosum of continuous whereabouts, clean stripping gas enters in suction branch.
Saturated active coke (charcoal) the regenerating unit specialty of the present embodiment is for the field of purification of activated coke (charcoal) integrated purifying flue gas pollutant.Exemplary, design two kinds of operating modes: operating mode 1 is for processing saturated active coke (charcoal) 10t/h, and operating mode 2 is for processing saturated active coke (charcoal) 25t/h.Now desorption temperature, structure are identical, but operating mode 2 regenerating unit sizes are compared operating mode 1 and increased, all corresponding raisings of processing numerical value of heat transferring medium internal circulating load and corresponding circulating fan, air-introduced machine, electric heater, cooler.
In one embodiment, the saturated activated coke (charcoal) of absorption of 100 DEG C of left and right enters regenerating unit through star-shaped discharge valve by charging aperture, because the hole of activated coke (charcoal) the inside own can be carried containing oxygen air, so must headroom before entering the heat exchange stage.Activated coke (charcoal) is in the time entering charging buffering anoxybiotic storehouse, and nitrogen enters regenerating unit by the nitrogen pipeline of charging anoxybiotic member.Because activated coke (charcoal) constantly falls, in order to prevent that activated coke (charcoal) from entering nitrogen pipeline, in regenerating unit, above nitrogen mouth, arrange anti-particle shade.Nitrogen constantly pours, and ensures that the pressure in charging buffering anoxybiotic storehouse is greater than charging aperture pressure, by continuous purging replace activated coke (charcoal) particle gap containing oxygen air.In activated coke (charcoal) containing oxygen air by nitrogen replacement after, enter pre-heating cabin preheating.Activated coke (charcoal) freely slowly falls in regenerating unit, heat transferring medium bottom horizontal flow sheet in heat exchanger tube, form cross-flow heat exchange with activated coke (charcoal), the heat exchanger tube of pre-heating cabin different layers is a plane in vertical direction, reduce abrasion of particles, be preheating to after 180 DEG C～200 DEG C, enter heating cabinet and heat.Heating cabinet heat exchange tube diameter direction and pre-heating cabin heat exchange tube diameter direction are intersected 90 ° or 0 ° of < angle≤90 °, activated coke (charcoal) is entering after heating cabinet, again arrange, turbulence level increases, thereby make activated coke (charcoal) heat exchange even, be heated to 400 DEG C of left and right at heating cabinet particle and complete heating, then enter reaction warehouse, carry out complete desorb.Because activated coke (charcoal) has a small amount of gas desorption out at 180 DEG C, so arranged respectively air extractor, lower pumping device below pre-heating cabin He in reaction warehouse.First stripping gas enters suction branch, in stripping gas, can contain part granule dust, and first stripping gas collides the dust block board in suction branch, and dust is clashed into, and again falls into the stratum granulosum of continuous whereabouts.Clean stripping gas enters annular gas pipeline by suction branch, and is flowed to two bus dumps, is finally extracted out by air-introduced machine by the header of bleeding of centre.The air extractor of this kind of structure, bleeds thoroughly and the problem that dust stops up can not occur, and improves operation stability.After activated coke (charcoal) desorb completely, continue to fall cooling by cooling storehouse, the heat exchanger tube in cooling storehouse and the heat exchanger tube of heating cabinet intersect 90 ° or 0 ° of < angle≤90 ° in caliber direction, again the particle of stable whereabouts is reformed, thereby reach cooling even, be cooled to 90～100 DEG C through cooling storehouse particle, then discharge regenerating unit through discharging opening.Due to the opening of discharging opening, the extraneous oxygen air that contains enters regenerating unit thereupon, therefore in discharging transition anoxybiotic storehouse, has arranged too discharging anoxybiotic member.Nitrogen constantly pours, and ensures that the pressure in discharging transition anoxybiotic storehouse is greater than discharging opening pressure, has effectively stoped entering of air.Quantities is larger, and regenerating unit is larger, and activated coke (charcoal) translational speed non-uniformity problem is just more outstanding, therefore need in discharging transition anoxybiotic storehouse, arrange particle air guide.In order to make activated coke (charcoal) particle turbulence level larger, the first heat exchanger tube, the second heat exchanger tube, the 3rd heat exchanger tube all can be taked Multi-layer exchanging heat pipe interlaced arrangement in each section.
In the above-described embodiments, the heat transferring medium of low temperature enters gas storehouse, right side/left side by cooling storehouse entrance, fluid in gas storehouse is uniform which floor heat exchanger tube (number of plies is determined according to Practical Project demand) that simultaneously flows into again, heat transferring medium crosses regenerating unit in horizontal heat exchange tube, enter afterwards left/right gas storehouse, fluid upwards flows again, enter in heat exchanger tube to right/left afterwards, again cross regenerating unit and carry out heat exchange, enter again afterwards gas storehouse, right side/left side, the fluid interchange of so repeatedly turning back, has finally flowed out particle by the outlet of cooling storehouse cooling.Heat transferring medium after heat exchange heats up enters electric heater by circulating fan again and carries out high-temperature heating, rise to 480 DEG C～500 DEG C left and right, enter heating cabinet by heating cabinet entrance, turning back flows carries out heat exchange to particle, finally export outflow by heating cabinet, complete particle heating.Heat transferring medium after cooling enters pre-heating cabin heat exchanger by pre-heating cabin entrance again, and particle is preheated, and finally exports outflow by pre-heating cabin.Heat exchange medium temperature after cooling, still higher than 100 DEG C, need to be lowered the temperature by cooler again, and then enters cooling storehouse and activated coke (charcoal) is carried out cooling, so completes a whole set of thermal cycle.
It should be noted, the height ratio between pre-heating cabin, heating cabinet, reaction warehouse, cooling storehouse, is only signal in Fig. 1, need obtain according to practical engineering calculation.Meanwhile, heat transferring medium can adopt vapours, inert gas, hot-air etc.And the electric heater between cooling storehouse and heating cabinet, according to requirement of engineering, also can adopt the existing thermal source of other heat exchangers or factory directly to utilize.In the time that the active coke regeneration device processing activated coke (charcoal) that uses the utility model to provide is measured larger situation, can take the form of multiple regenerating units with parallel form combination.
It should be noted that all independent assortments as required of above-described embodiment.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. an active coke regeneration device, is characterized in that, comprising:
Body, described body is from up to down disposed with charging aperture, pre-heating cabin, heating cabinet, reaction warehouse, cooling storehouse, discharging opening;
Wherein, be provided with preheating heat exchanger in pre-heating cabin, described preheating heat exchanger is provided with into the first heat exchanger tube that horizontal direction is arranged;
In heating cabinet, be provided with heating heat exchanger, described heating heat exchanger is provided with into the second heat exchanger tube that horizontal direction is arranged, and the caliber direction of described the second heat exchanger tube and the caliber direction of described the first heat exchanger tube β that has angle
1, and 0 ° of < β
1≤ 90 °;
In cooling storehouse, be provided with cooling heat exchanger, described cooling heat exchanger is provided with into the 3rd heat exchanger tube that horizontal direction is arranged, and the caliber direction of described the 3rd heat exchanger tube and the caliber direction of described the second heat exchanger tube β that has angle
2, and 0 ° of < β
2≤ 90 °.
2. active coke regeneration device according to claim 1, is characterized in that:
Described the first heat exchanger tube, described the second heat exchanger tube, described the 3rd heat exchanger tube comprise respectively the multilayer straight tube of parallel arrangement;
Along the radial direction of straight tube, two pipe quadrates of the opposite position of adjacent two pipes and arbitrary adjacent layer distribute in every layer, and above-mentioned four pipes are respectively in foursquare four jiaos.
3. active coke regeneration device according to claim 2, is characterized in that:
Described pre-heating cabin comprises the first left gas storehouse and the first right gas storehouse that are divided into preheating heat exchanger both sides;
Described heating cabinet comprises the second front gas storehouse and the second rear gas storehouse that are divided into heating heat exchanger both sides;
Described cooling storehouse comprises the 3rd left gas storehouse and the 3rd right gas storehouse that are divided into cooling heat exchanger both sides;
The two ends port of the every straight tube at described the first heat exchanger tube place is communicated to respectively the first left gas storehouse and the first right gas storehouse;
The two ends port of the every straight tube at described the second heat exchanger tube place is communicated to respectively the second front gas storehouse and the second rear gas storehouse;
The two ends port of the every straight tube at described the 3rd heat exchanger tube place is communicated to respectively the 3rd left gas storehouse and the 3rd right gas storehouse.
4. active coke regeneration device according to claim 3, is characterized in that:
The entrance of described pre-heating cabin is connected by pipeline with the outlet of described heating cabinet;
The entrance of described heating cabinet is connected by pipeline with the outlet in described cooling storehouse, and is provided with electric heater and circulating fan at this connecting pipe place;
The entrance in described cooling storehouse is connected by pipeline with the outlet of described pre-heating cabin, and is provided with cooler at this connecting pipe place;
Wherein, the entrance of described pre-heating cabin, outlet are communicated with described the first left gas storehouse and described the first right gas storehouse respectively;
Entrance, the outlet of described heating cabinet are communicated with described the second front gas storehouse and described the second rear gas storehouse respectively;
Entrance, the outlet in described cooling storehouse are communicated with described the 3rd left gas storehouse and described the 3rd right gas storehouse respectively.
5. active coke regeneration device according to claim 1, is characterized in that:
Described the first heat exchanger tube, described the second heat exchanger tube, described the 3rd heat exchanger tube are light pipe or spiral fin coil.
6. according to the active coke regeneration device described in claim 1-5 any one, it is characterized in that, further comprise:
Charging buffering anoxybiotic storehouse, it is arranged between described charging aperture and described pre-heating cabin;
Discharging transition anoxybiotic storehouse, it is arranged between described cooling storehouse and described discharging opening;
Described charging buffering anoxybiotic storehouse comprises charging anoxybiotic member, and described discharging transition anoxybiotic storehouse comprises discharging anoxybiotic member;
Described charging anoxybiotic member and described discharging anoxybiotic member include annular spread in the nitrogen pipeline at described body place.
7. active coke regeneration device according to claim 6, is characterized in that:
Described nitrogen pipeline place is provided with anti-particle shade;
And/or;
Described discharging transition anoxybiotic is provided with particle air guide in storehouse.
8. according to the active coke regeneration device described in claim 1-5 any one, it is characterized in that, further comprise:
Upper air extraction structure, it is arranged between described pre-heating cabin and described heating cabinet;
Lower pumping structure, it is arranged at described reaction warehouse place.
9. active coke regeneration device according to claim 8, is characterized in that:
Described upper air extraction structure and described lower pumping structure include many annular gas pipelines, on described annular gas pipeline, are evenly distributed with many suction branches;
The outlet of described many annular gas pipelines is communicated to many bus dumps;
Described many bus dumps are communicated to the header of bleeding.
10. active coke regeneration device according to claim 9, is characterized in that: described suction branch is provided with dust block board;
And/or;
The quantity of described suction branch is 4-16.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276954.0U CN203862251U (en) | 2014-05-28 | 2014-05-28 | Active coke regeneration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276954.0U CN203862251U (en) | 2014-05-28 | 2014-05-28 | Active coke regeneration device |
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|---|---|
| CN203862251U true CN203862251U (en) | 2014-10-08 |
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ID=51643242
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| CN201420276954.0U Expired - Lifetime CN203862251U (en) | 2014-05-28 | 2014-05-28 | Active coke regeneration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977778A (en) * | 2014-05-28 | 2014-08-13 | 上海龙净环保科技工程有限公司 | Activated coke regeneration device |
| CN108554396A (en) * | 2018-05-29 | 2018-09-21 | 杭州回水科技股份有限公司 | Seed activity coke regenerates unit rapid heat radiation device |
-
2014
- 2014-05-28 CN CN201420276954.0U patent/CN203862251U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977778A (en) * | 2014-05-28 | 2014-08-13 | 上海龙净环保科技工程有限公司 | Activated coke regeneration device |
| CN108554396A (en) * | 2018-05-29 | 2018-09-21 | 杭州回水科技股份有限公司 | Seed activity coke regenerates unit rapid heat radiation device |
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