CN104624020A - Method for removing hydrogen sulphide and solid dust in gas - Google Patents

Method for removing hydrogen sulphide and solid dust in gas Download PDF

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Publication number
CN104624020A
CN104624020A CN201510106540.2A CN201510106540A CN104624020A CN 104624020 A CN104624020 A CN 104624020A CN 201510106540 A CN201510106540 A CN 201510106540A CN 104624020 A CN104624020 A CN 104624020A
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CN
China
Prior art keywords
filter core
exhaust
deduster
gas
absorption tower
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CN201510106540.2A
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Chinese (zh)
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CN104624020B (en
Inventor
吴浩
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北京化工大学常州先进材料研究院
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Publication of CN104624020A publication Critical patent/CN104624020A/en
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Abstract

The invention relates to a method for removing hydrogen sulphide and solid dust in gas and aims at providing an effective technology for removing hydrogen sulphide and solid particulate matters which are contained in the gas and realizing clean emission of exhausted gas. The method for removing the hydrogen sulphide and solid dust in the gas specifically comprises a wet process absorption step and a dry process dust removal step, wherein an absorption tower is adopted for absorbing hydrogen sulphide acid matters in the exhausted air in the wet process absorption step, and a dust remover is adopted for removing the solid dust particulate matters in the dry process dust removal step.

Description

A kind of method removing hydrogen sulfide and solid dust in gas

Technical field

The present invention relates to a kind of method of gas purification, specifically, relate to a kind of method that purification contains the gas of hydrogen sulfide and solid dust particle.

Background technology

Industrial, such as, usually containing H in the conversion gas that in the production of chemical fertilizer production or coking, conversion section produces or the tail gas of coking industry etc. 2s and solid dust.Not only can in the pilot process produced corrosion pipeline, but also can affect the purity of product, what have more harm is also pollute the environment after discharging.H 2s is a kind of colourless gas, has the foul smell of similar rotten egg, hypertoxic, soluble in water, and the aqueous solution, in acid, can generate salt with alkali, therefore can absorb with alkali lye.H 2s has extremely strong toxicity, and in air, concentration reaches 140mg/m 3time can cause conjunctivitis and keratitis, when concentration is approximately 280mg/m 3time, can stupor be caused, breathe paralysis even death.Low concentration H 2the symptom that S causes has headache, vomiting, insomnia, weak, eyes and mucosa irritation, therefore H 2s waste gas is a kind of on the mankind and the larger a kind of gas of animals and plants impact, and country has also formulated strict discharge standard.Maximum acceptable concentration in regulation air is 0.06mg/m 3.But the alkali liquor absorption of routine, shortcoming absorbs thoroughly, and absorption efficiency is low, and be also difficult to effectively remove the solid particulate matter in waste gas.Therefore, need to develop a kind of effective process for purifying efficiently to remove hydrogen sulfide in gas and solid dust particle.

Summary of the invention

The object of the present invention is to provide a kind of effective technique, remove the hydrogen sulfide and solid particulate matter that contain in exhaust, realize the clean discharge of exhaust.

The technical solution adopted for the present invention to solve the technical problems is: a kind of purification method containing the exhaust of hydrogen sulfide and solid dust, comprise wet absorption step and dry method dust step, it is characterized in that: first exhaust enters absorption tower 1, gas access, absorption tower 2 becomes multiple branch inlet 6 after entering absorption tower 1, branch inlet 6 is evenly distributed in absorption tower along oblique line from top to bottom, the branch inlet distance gas access 2 of the top is nearest, and the branch inlet distance gas access 2 of bottom farthest; Be equipped with the sprayer 5 of a correspondence on the top of each branch inlet, each sprayer 5 is 0.5-2m apart from the distance of corresponding branch inlet; The Absorption Solution of Diethylolamine that sprayer sprays falls into bottom absorption tower after fully reacting with the hydrogen sulfide in exhaust, and absorbing liquid recycling spraying day with fog under the effect of circulating pump 7 of bottom continues to participate in reaction;

The exhaust of discharging from absorption tower 1 enters in deduster 10 subsequently, first exhaust enters deduster from deduster entrance 11, exhaust frontal impact is on fluid dividing cover 12, fluid dividing cover is conically shaped body, major part exhaust enters the flow cavity 33 in deduster expansion section 17 through divergent segment 16, exhaust contacts with the filter core 30 in cartridge support frame 29 after flow cavity 33, and gas enters discharge chamber 32 after filtering through filter core 30 and discharges deduster;

Flow downward along fluid dividing cover 12 after sub-fraction gasses impinge fluid dividing cover 12, strike 3-10 sheet blade 28 fixing on cartridge support frame 29 top top board 39, cartridge support frame 29 inwall is provided with spiral slide 36, spiral slide 36 coordinates with the second spiral slide of annular Internal baffle 15 outer wall, gasses impinge blade 28, blade 28 drives cartridge support frame 29 to rotate along the second spiral slide while move downward, base plate 40 bottom bracing frame 29 is connected with buffer unit 27, the other end of buffer unit 27 is fixed on the back-up block 20 on cinder catcher inwall 19, bracing frame 29 rotates together with filter core 30 and moves downward, filter core 30 lower end enters in cinder catcher 34, in annular cinder catcher outer wall 18, cinder catcher 34 arrival end correspondence is provided with scraper 22, be provided with hairbrush 23 below scraper 22, in the cinder catcher inwall 19 on hairbrush 23 opposite, correspondence position is provided with nozzle 24 in order to purge gas of jetting to filter core 30 back side, under the acting in conjunction of scraper 22, hairbrush 23 and nozzle 24, remove the particle of filter core 30 adsorption filtration, filter core 30 is regenerated.

As preferably, the quantity of branch inlet is 4-8.

As preferably, the distance of sprayer distance branch inlet is 1-1.5m.

As preferably, the filter core of deduster is activated carbon cartridge, polypropylene fibre, metallic fiber, glass fibre.

As preferably, the quantity of blade is 7.

As preferably, buffer unit is damper rod, hydraulic stem or spring, and its quantity can be 2-8.

As preferably, fluid dividing cover is provided with relief port.

The invention has the beneficial effects as follows:

1, gas distribution means in absorption tower are unique, greatly improve distribution of gas effect and gas liquid contacting efficiency, significantly improve clean-up effect.

2, deduster at work filter core constantly rotary motion can carry out regeneration cycle use, and regenerative operation does not need extra operation power, only relies on the kinetic energy of exhaust self just can realize the motion of filter core, low energy.

3, by wet method depickling and dry method dust means being combined, the hydrogen sulfide in exhaust and solid particulate matter is removed efficiently, energy-conserving and environment-protective.

Accompanying drawing explanation

Fig. 1 is process route chart of the present invention.

Fig. 2 is the schematic diagram of wet absorption tower of the present invention.

Fig. 3 is the front view of deduster of the present invention.

Fig. 4 is the AA sectional view of deduster of the present invention.

Fig. 5 is the schematic diagram of the fluid dividing cover of deduster of the present invention.

Fig. 6 is the perspective view of the bracing frame of deduster of the present invention.

Reference numeral and the part description corresponding to it as follows:

1, absorption tower; 2, gas access, absorption tower; 3, absorption tower gas vent; 4, demister; 5, sprayer; 6, branch inlet; 7, circulating pump; 10, deduster; 11, deduster entrance; 12, fluid dividing cover; 13, relief port; 14, annular outer baffle; 15, annular Internal baffle; 16, divergent segment; 17, section is expanded; 19, lower baffle plate; 20, back-up block; 21, sealing ring; 22, scraper; 23, hairbrush; 24, nozzle; 25, back-flushing valve; 26, unloading valve; 27, buffer unit; 28, blade; 29, bracing frame; 30, filter core; 31 filter plates; 32, discharge chamber; 33, flow cavity; 34, cinder catcher; 35, earial drainage chamber; 36, spiral slide; 38, dead ring; 39, top board; 40, base plate

Detailed description of the invention

Following examples are used for explanation of the present invention, but are not used for limiting the scope of the invention.

The present invention is a kind of exhaust gas-cleaning method, and it comprises wet absorption step and dry method dust step.3-70mg/m is about containing dust content in the exhaust of hydrogen sulfide 3, hydrogen sulfide content is about 8000mg/Nm 3.First exhaust enters in absorption tower, and acid exhaust enters from the gas access on absorption tower, with the diethanol amine haptoreaction of atomization, and the cooling of exhaust release heat, absorbing liquid evaporates rapidly; Sour gas in exhaust and the abundant haptoreaction of absorbing liquid, H 2s is able to effective removal.The dust contained in exhaust is some absorbing liquid adsorbing and removing be atomized also.

Exhaust through absorption tower process enters in deduster subsequently, through the filter core of deduster, remaining solid particulate matter in effective removal exhaust, because the acidic corrosive material in exhaust is removed in absorption tower, therefore, filter core range of choice in deduster is comparatively wide, can use non-acidproof corrosion resistance filter core.Exhaust after purification can in the device drains air such as air-introduced machine.

Embodiment:

As shown in Figure 1 and Figure 2, first the conversion gas of 150-250 DEG C containing hydrogen sulfide and solid dust particle enters absorption tower 1, gas access, absorption tower 2 becomes 4 branch inlet 6 after entering absorption tower 1, branch inlet 6 is evenly distributed in absorption tower along oblique line from top to bottom, the branch inlet distance gas access 2 of the top is nearest, and the branch inlet distance gas access 2 of bottom farthest.4 branch inlet can realize being uniformly distributed of gas substantially.Be equipped with the sprayer 5 of a correspondence on the top of each branch inlet, sprayer 5 is apart from branch inlet 1m.Because gas access is divided into several branch inlet, so namely by arranging corresponding sprayer at each component inlet to improve reaction efficiency, the distributed degrees of exhaust in absorption tower can be improved again.Except the sprayer 5 that correspondence is arranged, be provided with conventional sprayer equally at the top on absorption tower, to improve gas liquid contacting efficiency further.Diethanol amine falls into bottom absorption tower after fully reacting with the hydrogen sulfide in exhaust, and absorbing liquid recycling spraying day with fog under the effect of circulating pump 7 of bottom continues to participate in reaction.By this strong mass-and heat-transfer process, the acid contaminant in exhaust carries out sufficient combination reaction with diethanol amine, and the sour gas in exhaust is able to sufficient removal.Be provided with demister 4 on the top on absorption tower, after demister 4, discharge absorption tower from absorption tower gas vent 3 containing wet exhaust.By in the exhaust behind absorption tower, H 2the concentration of S can by initial 8000mg/Nm 3be reduced to about 3mg/Nm 3.

The exhaust of discharging from absorption tower 1 enters in deduster 10 subsequently, first exhaust enters deduster from deduster entrance 11, be vented first frontal impact on fluid dividing cover 12, fluid dividing cover is conically shaped body, under the effect of fluid dividing cover 12, major part exhaust enters the flow cavity 33 in deduster expansion section through divergent segment, the expansion section wall of deduster constitutes flow cavity 33 with inner annular outer baffle 14, exhaust contacts with the filter core 30 in cartridge support frame 29 after flow cavity 33, and filter core 30 is activated carbon cartridge.Annular outer baffle 14 to together constitute the gas flow path on filter core 30 with cinder catcher outer wall 18 and cinder catcher inwall 19 together with annular Internal baffle 15, be provided with sealing ring 21 between filter core 30 and cinder catcher outer wall 18, enter cinder catcher 34 in order to prevent gas without filter core 30.Particle in gas, noxious material are by filter core 30 adsorption filtration, and purified gas enters discharge chamber 32 and discharges deduster after filter core 30 filters.Filter core 30 particle that meeting be filtered at surface deposition one deck of filter core during filtering of annular, the particle of deposition can reduce the filter effect of filter core, and therefore filter core needs regular regeneration.

The regenerative process of filter core 30: see Fig. 3, Fig. 4, Fig. 6.After exhaust enters deduster from deduster entrance 11, as previously mentioned, most exhaust enters in flow cavity 33 and enters filtration stage under fluid dividing cover 12 guides, in addition, flow downward along fluid dividing cover 12 after having sub-fraction gasses impinge fluid dividing cover 12, strike blade 28 fixing on cartridge support frame 29 top top board 39, cartridge support frame 29 inwall is provided with spiral slide 36, spiral slide 36 coordinates with the spiral slide (not shown) of annular Internal baffle outer wall, therefore, gasses impinge blade 28, blade 28 drives cartridge support frame 29 to rotate while move downward in the support of spiral slide with under guiding.Bracing frame 29 rotates together with filter core 30 and moves downward, enter in cinder catcher 34, bracing frame 29 and cinder catcher inwall 19 close contact, filter core 30 and cinder catcher outer wall 18 leave certain space, the interior close cinder catcher arrival end of annular cinder catcher outer wall 18 first correspondence is provided with two panels scraper 22, filter core 30 pressed close to by scraper 22, hairbrush 23 is provided with below scraper 22, the bristle contact filter core 30 of hairbrush 23, in the cinder catcher inwall 19 on hairbrush 23 opposite, correspondence position is provided with nozzle 24 in order to purge gas of jetting to filter core 30 back side, and back-flushing valve 25 controls the flow of purge gas.Under the effect of scraper 22, the impurity of filter core 30 surface deposition rotated is struck off by scraper, filter core 30 further rotates decline, and under the acting in conjunction of hairbrush 23 and nozzle 24, remove the particle of filter core 30 adsorption filtration subsequently further, filter core 30 is regenerated under the process of multiple regenerative means.The impurity be removed falls into bottom cinder catcher 34, runs up to and is to a certain degree discharged outside deduster by unloading valve 26 afterwards.The amount of the inner dust stratification of cinder catcher 34 can by automatic detection means detections such as particle sensor detections.

See Fig. 3, the lower circumference of fluid dividing cover 12 is fixedly connected with annular Internal baffle 15, bracing frame 29 rotates around annular Internal baffle 15 and declines, base plate 40 bottom bracing frame 29 is connected with buffer unit 27, buffer unit is preferably damper rod, and the other end of buffer unit 27 is fixed on the back-up block 20 on cinder catcher inwall.The effect of buffer unit 27 is the decrease speeds controlling bracing frame 29, prevents decline too fast.The position of buffer unit 27 and quantity can be selected as required, certainly not stop that nozzle 24 is advisable, are only the existence in order to show buffer unit 27 in Fig. 3, and and the relative position of non-limiting buffer unit 27 and nozzle 24.Certainly, other also can be adopted to have the device of similar functions, such as hydraulic stem, spring etc.In addition, the decrease speed of bracing frame 29 also can be regulated by the blade 28 arranging varying number and angle, the quantity of the present embodiment Leaf is preferably 7, according to the flow velocity of exhaust, 7 blades can realize good rotary speed, also can by arranging less or more blade to reduce or to increase the decrease speed of bracing frame 29, can be such as 3,5,10 etc.In regenerative process, after the major part of filter core 30 has been lowered to cinder catcher 34 and has been reproduced, buffer unit can be controlled or other like is oppositely exerted pressure to bracing frame 29, such as stop air inlet, the buffer unit then compressed can impel bracing frame 29 reverse rotation rising to get back to initial duty, and move in circles work according to this.

See Fig. 5, this figure is the stereogram of fluid dividing cover 12, and fluid dividing cover 12 can arrange relief port 13, and relief port 13 is closed under normal circumstances, and gas can not pass through from fluid dividing cover 12.When the pressure sensor (not shown) in deduster to measure in deduster pressure higher than normal value after, relief port 13 is opened, and air-flow can flow through from relief port 13, enters earial drainage chamber 35, after filter plate 31 filters, discharge deduster.The open and close of relief port 13 can by the close switch Long-distance Control at relief port place.When deduster runs, run into flow sometimes, flow velocity fluctuates larger input air-flow, run into the accident blocking of filter sometimes, when running into the similar situation making pressure in deduster increase, for ensureing that production safety can open relief port 13 to reduce rapidly the pressure in deduster, prevent the damage of filter core or deduster, due to the existence of filter 31, also can ensure the security of earial drainage gas.

See Fig. 6, this figure is the stereogram of bracing frame 29, the top board 39 of bracing frame 29 upper end is fixed with blade 28, the main body of bracing frame 29 forms roughly netted ventilating structure by vertical grid and multiple dead rings 38 of playing reinforcement effect, and the inwall of bracing frame 29 is fixed with spiral slide 36 and rotates around annular Internal baffle with guide support frame 29 and decline.The material of bracing frame 29 and spiral slide 36 can be the material arbitrarily with certain rigidity, such as stainless steel, plastics etc.

Exhaust is after absorption tower 1, deduster 10, and the acidic materials in gas and solid particulate matter are substantially all removed, and gas reaches discharge standard.

In purification method of the present invention, the absorption tower used, by unique gas distribution means, greatly improves distribution of gas effect and gas liquid contacting efficiency, significantly improves clean-up effect.The deduster used at work filter core constantly can carry out regeneration cycle use, and does not need extra operation power, only relies on the kinetic energy of exhaust self just can realize the regeneration of filter core.Due to the common coupling of absorption tower of the present invention and deduster, effectively eliminate the hydrogen sulfide in exhaust and solid particulate matter, achieve the clean discharge of exhaust.

Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.

Claims (7)

1. one kind contains the purification method of the exhaust of hydrogen sulfide and solid dust, comprise wet absorption step and dry method dust step, it is characterized in that: first exhaust enters absorption tower (1), gas access, absorption tower (2) becomes multiple branch inlet (6) after entering absorption tower (1), branch inlet (6) is evenly distributed in absorption tower along oblique line from top to bottom, branch inlet distance gas access (2) of the top is nearest, and branch inlet distance gas access (2) of bottom farthest; Be equipped with the sprayer (5) of a correspondence on the top of each branch inlet, each sprayer (5) is 0.5-2m apart from the distance of corresponding branch inlet; The Absorption Solution of Diethylolamine that sprayer sprays falls into bottom absorption tower after fully reacting with the hydrogen sulfide in exhaust, and absorbing liquid recycling spraying day with fog under the effect of circulating pump (7) of bottom continues to participate in reaction;
The exhaust of discharging from absorption tower 1 enters in deduster 10 subsequently, first exhaust enters deduster from deduster entrance 11, exhaust frontal impact is on fluid dividing cover 12, fluid dividing cover is conically shaped body, major part exhaust enters the flow cavity 33 in deduster expansion section 17 through divergent segment 16, exhaust contacts with the filter core 30 in cartridge support frame 29 after flow cavity 33, and gas enters discharge chamber 32 after filtering through filter core 30 and discharges deduster, flow downward along fluid dividing cover (12) after sub-fraction gasses impinge fluid dividing cover (12), strike the upper fixing 3-10 sheet blade (28) in cartridge support frame (29) top top board (39), cartridge support frame (29) inwall is provided with spiral slide (36), spiral slide (36) coordinates with the second spiral slide of annular Internal baffle (15) outer wall, gasses impinge blade (28), blade (28) drives cartridge support frame (29) to rotate along the second spiral slide while move downward, the base plate (40) of bracing frame (29) bottom is connected with buffer unit (27), the other end of buffer unit (27) is fixed on the back-up block (20) on cinder catcher inwall (19), bracing frame (29) rotates together with filter core (30) and moves downward, filter core (30) lower end enters in cinder catcher (34), in annular cinder catcher outer wall (18), cinder catcher (34) arrival end correspondence is provided with scraper (22), scraper (22) below is provided with hairbrush (23), and cinder catcher inwall (19) the interior correspondence position on hairbrush (23) opposite is provided with nozzle (24) in order to purge gas of jetting to filter core (30) back side, under the acting in conjunction of scraper (22), hairbrush (23) and nozzle (24), remove the particle of filter core (30) adsorption filtration, filter core (30) is regenerated.
2. purification method according to claim 1, is characterized in that: the quantity of branch inlet (6) is 4-8.
3. purification method according to claim 1, is characterized in that: the distance of sprayer (5) distance branch inlet (6) is 1-1.5m.
4. purification method according to claim 1, is characterized in that: the filter core (30) of deduster is activated carbon, polypropylene fibre, metallic fiber, glass fibre.
5. purification method according to claim 1, is characterized in that: the quantity of blade (28) is 7.
6. purification method according to claim 1, is characterized in that: buffer unit (27) is damper rod, hydraulic stem or spring, and its quantity is 2-8.
7. purification method according to claim 1, is characterized in that: fluid dividing cover (12) is provided with relief port (13).
CN201510106540.2A 2015-03-11 2015-03-11 A kind of de-except the method for hydrogen sulfide in gas and solid dust CN104624020B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964290A (en) * 2015-06-14 2015-10-07 黄志强 Waste gas treatment device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939328A (en) * 1982-08-27 1984-03-03 Babcock Hitachi Kk Desulfurization of exhaust gas
CN1368399A (en) * 2001-01-31 2002-09-11 陈鸣楼 Bag-type dusting and wet absorption desulfurizing system
CN101293178A (en) * 2008-06-16 2008-10-29 河南海力特机电制造有限公司 Heavy pressure fine spray desulfurising-dusting apparatus and method for desulfurization and dust removal
CN101507895A (en) * 2009-02-26 2009-08-19 安徽省元琛环保科技有限公司 Large flue gas desulfurization dust-removal system
CN101549246A (en) * 2009-04-30 2009-10-07 杭州三和环保技术工程有限公司 Sintering flue gas desulfurization combined coking coal gas deamination cycling technology and cycling system
CN102806005A (en) * 2012-08-25 2012-12-05 河北华强科技开发有限公司 Method for dedusting, desulfuration and denitration of flue gas and integrated absorption tower equipment for dedusting, desulfuration and denitration
CN103949132A (en) * 2014-05-19 2014-07-30 英利能源(中国)有限公司 Dust removal equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939328A (en) * 1982-08-27 1984-03-03 Babcock Hitachi Kk Desulfurization of exhaust gas
CN1368399A (en) * 2001-01-31 2002-09-11 陈鸣楼 Bag-type dusting and wet absorption desulfurizing system
CN101293178A (en) * 2008-06-16 2008-10-29 河南海力特机电制造有限公司 Heavy pressure fine spray desulfurising-dusting apparatus and method for desulfurization and dust removal
CN101507895A (en) * 2009-02-26 2009-08-19 安徽省元琛环保科技有限公司 Large flue gas desulfurization dust-removal system
CN101549246A (en) * 2009-04-30 2009-10-07 杭州三和环保技术工程有限公司 Sintering flue gas desulfurization combined coking coal gas deamination cycling technology and cycling system
CN102806005A (en) * 2012-08-25 2012-12-05 河北华强科技开发有限公司 Method for dedusting, desulfuration and denitration of flue gas and integrated absorption tower equipment for dedusting, desulfuration and denitration
CN103949132A (en) * 2014-05-19 2014-07-30 英利能源(中国)有限公司 Dust removal equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964290A (en) * 2015-06-14 2015-10-07 黄志强 Waste gas treatment device

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