CN104893765A - Coke oven gas desulfurization tower - Google Patents

Coke oven gas desulfurization tower Download PDF

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Publication number
CN104893765A
CN104893765A CN201510363596.6A CN201510363596A CN104893765A CN 104893765 A CN104893765 A CN 104893765A CN 201510363596 A CN201510363596 A CN 201510363596A CN 104893765 A CN104893765 A CN 104893765A
Authority
CN
China
Prior art keywords
shutter
coke oven
exhaust gas
pieces
desulfurization tower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510363596.6A
Other languages
Chinese (zh)
Inventor
梁永飞
王贺红
姜颖
牟振龙
朱宁征
李祝涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Group Co Ltd SISG
Original Assignee
Shandong Iron and Steel Group Co Ltd SISG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201510363596.6A priority Critical patent/CN104893765A/en
Publication of CN104893765A publication Critical patent/CN104893765A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/002Removal of contaminants
    • C10K1/003Removal of contaminants of acid contaminants, e.g. acid gas removal
    • C10K1/004Sulfur containing contaminants, e.g. hydrogen sulfide
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/022Dust removal by baffle plates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/024Dust removal by filtration

Abstract

The invention discloses a coke oven gas desulfurization tower which comprises an exhaust chamber and a filter unit arranged in the exhaust chamber. The filter unit comprises a plurality of arched retaining plates. The arched retaining plates are arranged in the exhaust chamber, exhaust ascends along a folding-line route, when the ascending exhaust containing non-gaseous materials is retained by the retaining plates, kinetic energy of the non-gaseous materials in the exhaust decreases gradually to be separated from the exhaust step by step to fall on the retaining plates, the exhaust is filtered, non-gaseous material content in the exhaust entering an ejector and an air suction pipe is reduced, plugging caused by the non-gaseous materials is further reduced, plugging due to the non-gaseous materials is avoided, and the filter unit is simple in structure, low in manufacturing cost and easy to promote and apply.

Description

A kind of coke oven gas desulfurization tower
Technical field
The present invention relates to coker technical field, especially relate to a kind of coke oven gas desulfurization tower.
Background technology
The sulfur method of coke-oven gas has a variety of, to take ammonia as alkali source coke-oven gas oxidation desulfurization method be wherein a kind of Application comparison sulfur method widely.Adopt in above-mentioned sulfur method, the injector of the tail gas indoor location in thionizer and air suction pipe are very easily blocked by the non-gaseous phase substance carried secretly in the tail gas that rises, cause the sweetening effectiveness of thionizer poor, the less stable that thionizer runs, bring greater impact to the normal production of subsequent handling, and easily cause environmental pollution.
Therefore, how reducing the blocking that non-gaseous matter causes is the technical problem that those skilled in the art need solution badly.
Summary of the invention
The object of the present invention is to provide a kind of coke oven gas desulfurization tower, tail gas filter set up by this thionizer in exhaust gas chamber, non-gaseous matter in tail gas can be filtered, reduce the non-gaseous matter content in the tail gas entered in injector and air suction pipe, thus the blocking that minimizing non-gaseous matter causes, or even the blocking avoiding non-gaseous matter to cause, and this filter apparatus configuration is simple, processing and fabricating cost is lower, is easy to apply.
For solving above-mentioned technical problem, technical scheme provided by the invention is:
A kind of coke oven gas desulfurization tower, comprise exhaust gas chamber, also comprise the filtration unit be arranged in described exhaust gas chamber, described filtration unit comprises the some pieces of shutters being provided for tail gas and rising along polyline shaped route, some pieces of described shutters are be greater than rounded section half area in described exhaust gas chamber arc, the arc surface of some pieces of described shutters and the seamless link of described exhaust gas chamber inwall, the string face of some pieces of described shutters and the inwall of described exhaust gas chamber leave space, and the string face of adjacent two pieces of described shutters is parallel to each other and staggered arrangement.
Preferably, described shutter is smooth plate.
Preferably, described shutter is corrugated plate, and the wave cross section of described corrugated plate is parallel with described string face.
Preferably, described shutter comprises some strut members and the some pieces of corrugated plates vertically arranged, and leave space between adjacent two pieces of described corrugated plates, the width in described space is less than the height of the waveform of described corrugated plate, and the waveform of described corrugated plate is trapezoidal.
Preferably, described shutter is for being horizontally disposed with, and the string face place of described shutter is provided with cofferdam.
Preferably, the angle of described shutter and horizontal plane is 5 ° ~ 15 °.
Preferably, also comprise washing unit, described washing unit comprises several nozzles and for by nozzle described in several and the tank connected pipeline of scavenging solution, the inwall that nozzle described in several is arranged at described exhaust gas chamber is positioned at topmost on described shutter, nozzle described in several is evenly arranged along the contact position of described shutter and described exhaust gas chamber, and described pipeline is provided with flowrate control valve.
Preferably, described nozzle is solid-cone (type) nozzle.
Compared with prior art, the invention provides a kind of coke oven gas desulfurization tower, comprise exhaust gas chamber and be arranged at the filtration unit in described exhaust gas chamber, described filtration unit comprises some pieces of shutters, some pieces of described shutters are be greater than rounded section half area in described exhaust gas chamber arc, the arc surface of some pieces of described shutters and the seamless link of described exhaust gas chamber inwall, the string face of some pieces of described shutters and the inwall of described exhaust gas chamber leave space, and the string face of adjacent two pieces of described shutters is parallel to each other and staggered arrangement.The application by arranging some pieces of shutters arcuately in exhaust gas chamber, tail gas is made to increase along polyline shaped route, when being blocked plate resistance gear containing the tail gas of non-gaseous matter of rising, the kinetic energy of the non-gaseous matter in tail gas reduces gradually, spin off from tail gas gradually, drop on shutter, thus the filtration achieved tail gas, decrease the non-gaseous matter content in the tail gas entered in injector and air suction pipe, and then decrease the blocking that non-gaseous matter causes, or even avoid the blocking that non-gaseous matter causes, and this filter apparatus configuration is simple, processing and fabricating cost is lower, be easy to apply.
Accompanying drawing explanation
The structural representation of the shutter that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the shutter that Fig. 2 provides for another embodiment of the present invention;
The main TV structure schematic diagram of the shutter that Fig. 3 provides for another embodiment of the present invention;
Fig. 4 is the plan structure schematic diagram of Fig. 3;
The structural representation of the shutter that Fig. 5 provides for another embodiment of the present invention;
The structural representation of the thionizer that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the thionizer that Fig. 7 provides for another embodiment of the present invention.
In figure: 1 thionizer, 2 exhaust gas chambers, 3 shutters, 301 strut members, 302 cofferdam, 303 string faces, 304 arc surfaces, 305 corrugated plates, 4 washing units, 5 injectors, 6 air suction pipes.
Embodiment
In order to make those skilled in the art understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Referring to figs. 1 to Fig. 7, the invention provides a kind of coke oven gas desulfurization tower, comprise exhaust gas chamber 2, also comprise the filtration unit be arranged in exhaust gas chamber 2, filtration unit comprises the some pieces of shutters 3 being provided for tail gas and rising along polyline shaped route, some pieces of shutters 3 are for being greater than the arc of rounded section half area in exhaust gas chamber 2, arc surface 304 and the seamless link of exhaust gas chamber 2 inwall of some pieces of shutters 3, space is left with the inwall of exhaust gas chamber 2 in the string face 303 of some pieces of shutters 3, and the string face 303 of adjacent two pieces of shutters 3 is parallel to each other and staggered arrangement.
The application by arranging some pieces of shutters 3 arcuately in exhaust gas chamber 2, tail gas is made to increase along polyline shaped route, when the tail gas containing non-gaseous matter moves upward bottom exhaust gas chamber 2, can be stopped one by one by above-mentioned shutter 3, the kinetic energy of the non-gaseous matter in tail gas is reduced gradually, speed reduces gradually, and tail gas is owing to being gaseous state, density is less, kinetic energy reduces not too obvious, still can continue to move upward, thus cause non-gaseous matter to spin off from tail gas gradually, drop on the upper surface of shutter 3 of lower one deck.To sum up, the application achieves filtration to tail gas by arranging filtration unit, decrease the non-gaseous matter content in the tail gas entered in injector 5 and air suction pipe 6, and then decrease the blocking that non-gaseous matter causes, or even avoid the blocking that non-gaseous matter causes, and this filter apparatus configuration is simple, processing and fabricating cost is lower, is easy to apply.
With reference to figure 1, above-mentioned shutter 3 is for being greater than the arc of rounded section half area in exhaust gas chamber 2, and the face at arc circular arc place is arc surface 304, and the face at arc string place is string face 303.Arc area is not the bigger the better, and certainly, in order to realize the filtration to tail gas preferably, its area can not be too little, at least should be greater than the area of rounded section half in exhaust gas chamber 2.Preferably, the length of above-mentioned string is 1/2 ~ 3/5 of the diameter of interior rounded section.
With reference to figure 1, in one embodiment of the invention, above-mentioned shutter 3 is smooth plate.Preferably, upper and lower surface is horizontal plane.After non-gaseous matter spins off from tail gas, drop on the upper surface of the smooth plate of lower one deck, accumulate gradually, regularly open exhaust gas chamber 2 and clear up.
With reference to figure 2, in order to expand the contact area of tail gas and shutter 3 further, improve filter effect, in one embodiment of the invention, above-mentioned shutter 3 is corrugated plate.The cross section that corrugated plate is a direction is the plate of waveform.Waveform can be trapezoidal, sinusoidal or rectangle.Preferably, the wave cross section of corrugated plate is parallel with string face 303.
With reference to figure 3 and Fig. 4, in actual production, above-mentioned non-gaseous matter comprises solid granulates, also comprises liquid droplet.Thus, in order to improve filter effect further, in one embodiment of the invention, above-mentioned shutter 3 comprises some strut members 301 and the some pieces of corrugated plates 305 vertically arranged.Strut member 301, for some pieces of corrugated plates 305 are supported to an entirety, is then fixed on the inwall of exhaust gas chamber 2; Corrugated plate 305 is vertical settings, leaves space between adjacent corrugated plate 305, and the width in space is less than the height of the waveform of corrugated plate 305, to realize the filtration to tail gas.Preferably, the waveform of corrugated plate 305 is trapezoidal.
With reference to figure 5 and Fig. 6, in view of the material that above-mentioned tail gas is process coke gas output, solid granulates wherein and liquid droplet, how much with certain adhesivity, after the plate 3 that is blocked stops, drop on the upper surface of shutter 3 of lower one deck, it is of long duration that will to become one with solid granulates be base material, take liquid droplet as the block of binding agent, and with shutter 3 tight adhesion, itself is harder, bring very large trouble to later stage cleaning, waste time and energy.For this reason, in one embodiment of the invention, above-mentioned shutter 3 is for being horizontally disposed with, and string face 303 place of shutter 3 is provided with cofferdam 302, and the two combines, make shutter 3 can store a certain amount of scavenging solution, such as de-mineralized water, after on the upper surface that non-gaseous matter drop to the shutter 3 of lower one deck, is immersed in scavenging solution, block hard object can not be bonded to, facilitate the later stage to clear up; Even if owing to not clearing up in time, define block hard object, because the bottom of block hard object is immersed in scavenging solution all the time, cause the adhesivity between itself and shutter 3 can not be too high, later stage cleaning be also more convenient.The height in cofferdam 302, should not be too high, preferred 10mm ~ 20mm.Scavenging solution in cofferdam 302 fills when installing filtration unit.
With reference to figure 7, in one embodiment of the invention, above-mentioned shutter 3 is 5 ° ~ 15 ° with the angle of horizontal plane, shutter 3 is obliquely installed, non-gaseous matter when shutter 3 upper surface is accumulated to a certain extent, deadweight can be relied on to slip down on the shutter 3 of lower one deck along inclined surface, the like, slide downward in layer, finally drop down onto the bottom of exhaust gas chamber 2, thus achieve the Automatic clearance of part non-gaseous matter, under the prerequisite not affecting filter effect, decrease the cleaning work frequency, reduce the labour intensity of worker, decrease thionizer 1 stop time that cleaning work brings.
With reference to figure 6 and Fig. 7, in order to improve level of automation, reduce the labour intensity of worker, in one embodiment of the invention, thionizer 1 also comprises washing unit 4, and washing unit 4 comprises several nozzles and for by several nozzles and the tank connected pipeline of scavenging solution, and the inwall that several nozzles are arranged at exhaust gas chamber 2 is positioned at topmost on shutter 3, several nozzles are evenly arranged along the contact position of shutter 3 and exhaust gas chamber 2, and pipeline is provided with flowrate control valve.Utilize washing unit 4 to spray scavenging solution and routine cleaning is carried out to the top shutter 3, due to deadweight, scavenging solution can flow downward on the shutter 3 of lower one deck, the shutter 3 of lower one deck is cleaned, past current downflow in layer, thus the cleaning completed all shutters 3, the scavenging solution being finally mixed with a large amount of non-gaseous matter impurity drops down onto the bottom of exhaust gas chamber 2.When shutter 3 is corrugated plate and the wave cross section of corrugated plate is parallel with string face 303, scavenging solution can flow downward by the groove on corrugated plate.When shutter 3 has cofferdam 302, the scavenging solution of flowing can replace the scavenging solution of storage in cofferdam 302, takes away a large amount of non-gaseous matter, recovers the filtration capacity of filtration unit.When shutter 3 is for being obliquely installed, more can be conducive to the flowing of scavenging solution, the kinetic energy of the scavenging solution flowed down from last layer shutter 3 is larger, can be better to the cleaning performance of lower one deck shutter 3.Preferably, said nozzle is solid-cone (type) nozzle, and solid-cone (type) nozzle can produce solid taper hydrojet, has larger hydrojet area, can clean the non-gaseous matter on shutter 3 preferably, improve cleaning performance and cleaning efficiency.
Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (8)

1. a coke oven gas desulfurization tower, comprise exhaust gas chamber, it is characterized in that, also comprise the filtration unit be arranged in described exhaust gas chamber, described filtration unit comprises the some pieces of shutters being provided for tail gas and rising along polyline shaped route, some pieces of described shutters are be greater than rounded section half area in described exhaust gas chamber arc, the arc surface of some pieces of described shutters and the seamless link of described exhaust gas chamber inwall, the string face of some pieces of described shutters and the inwall of described exhaust gas chamber leave space, and the string face of adjacent two pieces of described shutters is parallel to each other and staggered arrangement.
2. coke oven gas desulfurization tower according to claim 1, is characterized in that, described shutter is smooth plate.
3. coke oven gas desulfurization tower according to claim 1, is characterized in that, described shutter is corrugated plate, and the wave cross section of described corrugated plate is parallel with described string face.
4. coke oven gas desulfurization tower according to claim 1, it is characterized in that, described shutter comprises some strut members and the some pieces of corrugated plates vertically arranged, space is left between adjacent two pieces of described corrugated plates, the width in described space is less than the height of the waveform of described corrugated plate, and the waveform of described corrugated plate is trapezoidal.
5., according to the arbitrary described coke oven gas desulfurization tower of claims 1 to 3, it is characterized in that, described shutter is for being horizontally disposed with, and the string face place of described shutter is provided with cofferdam.
6., according to the arbitrary described coke oven gas desulfurization tower of Claims 1 to 4, it is characterized in that, the angle of described shutter and horizontal plane is 5 ° ~ 15 °.
7. coke oven gas desulfurization tower according to claim 1, it is characterized in that, also comprise washing unit, described washing unit comprises several nozzles and for by nozzle described in several and the tank connected pipeline of scavenging solution, the inwall that nozzle described in several is arranged at described exhaust gas chamber is positioned at topmost on described shutter, nozzle described in several is evenly arranged along the contact position of described shutter and described exhaust gas chamber, and described pipeline is provided with flowrate control valve.
8. coke oven gas desulfurization tower according to claim 7, is characterized in that, described nozzle is solid-cone (type) nozzle.
CN201510363596.6A 2015-06-26 2015-06-26 Coke oven gas desulfurization tower Pending CN104893765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510363596.6A CN104893765A (en) 2015-06-26 2015-06-26 Coke oven gas desulfurization tower

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Application Number Priority Date Filing Date Title
CN201510363596.6A CN104893765A (en) 2015-06-26 2015-06-26 Coke oven gas desulfurization tower

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CN104893765A true CN104893765A (en) 2015-09-09

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2367613Y (en) * 1999-05-13 2000-03-08 关振民 Apparatus for treating tar of straw gas
CN2860592Y (en) * 2006-01-16 2007-01-24 钟利春 Parallel waveform defroster
CN2913366Y (en) * 2005-10-31 2007-06-20 丁志江 High-performance bent plate coal gas dehydration plant
CN201324591Y (en) * 2008-10-31 2009-10-14 上海洁美环保科技有限公司 Wet flue gas desulfurization and demisting device
DE202011102595U1 (en) * 2011-06-30 2011-11-17 Alexander Zein Gas-carbon catalyst with ion trap GKK
CN202237773U (en) * 2011-10-14 2012-05-30 大连通宝锅炉配套有限公司 Desulfurizing tower device in flue gas desulfurization system of industrial boiler
CN204752646U (en) * 2015-06-26 2015-11-11 山东钢铁股份有限公司 Coke oven gas desulfurizing tower

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2367613Y (en) * 1999-05-13 2000-03-08 关振民 Apparatus for treating tar of straw gas
CN2913366Y (en) * 2005-10-31 2007-06-20 丁志江 High-performance bent plate coal gas dehydration plant
CN2860592Y (en) * 2006-01-16 2007-01-24 钟利春 Parallel waveform defroster
CN201324591Y (en) * 2008-10-31 2009-10-14 上海洁美环保科技有限公司 Wet flue gas desulfurization and demisting device
DE202011102595U1 (en) * 2011-06-30 2011-11-17 Alexander Zein Gas-carbon catalyst with ion trap GKK
CN202237773U (en) * 2011-10-14 2012-05-30 大连通宝锅炉配套有限公司 Desulfurizing tower device in flue gas desulfurization system of industrial boiler
CN204752646U (en) * 2015-06-26 2015-11-11 山东钢铁股份有限公司 Coke oven gas desulfurizing tower

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Application publication date: 20150909