CN108525474A - Underneath type supplies jet stream and regenerates integrated desulfurization device - Google Patents
Underneath type supplies jet stream and regenerates integrated desulfurization device Download PDFInfo
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 44
- 230000023556 desulfurization Effects 0.000 title claims abstract description 43
- 230000008929 regeneration Effects 0.000 claims abstract description 53
- 238000011069 regeneration method Methods 0.000 claims abstract description 53
- 239000007800 oxidant agent Substances 0.000 claims abstract description 32
- 230000001172 regenerating effect Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 78
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 10
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1418—Recovery of products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
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Abstract
Description
技术领域technical field
本发明属于脱硫技术领域，具体涉及下置式供气射流再生一体化脱硫装置。The invention belongs to the technical field of desulfurization, and in particular relates to an integrated desulfurization device with a bottom-mounted air supply jet regeneration.
背景技术Background technique
脱硫主要是在脱硫塔里进行含硫气体的吸收反应，然后对吸收了硫的富液进行氧化，把富液中的硫氧化成单质硫，富液变成贫液，贫液再进行吸收反应。富液的氧化(再生)是脱硫进行的关键，目前富液的再生多数是采用文丘里射流器进行充氧再生，由于这种水力负压喷射器需要较高的循环液压力(0.45～0.5PMa)，使得循环液泵必须具有较高的扬程，消耗了大量动能；同时喷射到再生槽后的气体以较大的气泡及湍流形式翻腾，空气中氧的利用率极低，为加强再生效果而不得不增大空气量，进而又增大了动力消耗。由于脱硫液的剧烈翻腾，再生后产生的硫磺泡沫不能有效地气浮到液面上，导致贫液中的悬浮硫增加，而影响脱硫效率。在氧化过程中大量的空气加入，产生了大量再生尾气，严重的污染环境，另外，这些工艺需要脱硫塔、收集罐、富液再生槽、贫液罐等多套设备。占地面积大、能耗高、管线复杂、投资大、效率低。Desulfurization is mainly to carry out the absorption reaction of sulfur-containing gas in the desulfurization tower, and then oxidize the rich liquid that has absorbed sulfur, and oxidize the sulfur in the rich liquid into elemental sulfur, and the rich liquid becomes lean liquid, and the lean liquid undergoes absorption reaction . Oxidation (regeneration) of rich liquid is the key to desulfurization. At present, most of the regeneration of rich liquid is carried out by oxygenation and regeneration by Venturi jet. Because this kind of hydraulic negative pressure injector requires high circulating hydraulic pressure (0.45～0.5PMa ), so that the circulating liquid pump must have a high head, which consumes a lot of kinetic energy; at the same time, the gas injected into the regeneration tank is tumbling in the form of large bubbles and turbulence, and the utilization rate of oxygen in the air is extremely low. The air volume has to be increased, which in turn increases the power consumption. Due to the violent tumbling of the desulfurization liquid, the sulfur foam produced after regeneration cannot effectively float to the liquid surface, resulting in the increase of suspended sulfur in the lean liquid, which affects the desulfurization efficiency. A large amount of air is added during the oxidation process, which produces a large amount of regeneration tail gas and seriously pollutes the environment. In addition, these processes require multiple sets of equipment such as desulfurization towers, collection tanks, rich liquid regeneration tanks, and lean liquid tanks. Large area, high energy consumption, complicated pipelines, large investment and low efficiency.
发明内容Contents of the invention
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
下置式供气射流再生一体化脱硫装置，包括装置本体，所述装置本体顶部设置有排气口，所述装置本体顶部设置有脱硫反应器，所述脱硫反应器内腔顶部设置有喷淋头，所述喷淋头顶部通过管线与装置本体外部的水泵出水口固定安装，所述喷淋头底部设置有填料层，所述装置本体内腔填料层底部设置富液收集槽，所述填料层底部富液收集槽内设置有布气器，所述布气器进口端与管线相连，所述富液收集槽底端中部设置有富液排出管，所述富液收集槽底部设置有富液再生槽，所述富液再生槽侧壁设置有溢流堰，所述溢流堰通过管线与水泵进水口固定安装，所述溢流堰顶部富液再生槽侧壁设置有放空管，所述富液再生槽中部设置有射流再生氧化器，所述射流再生氧化器顶部通过管线与风机固定安装，所述射流再生氧化器底部通过管线与装置本体外部的动力循环泵出水口固定安装，所述装置本体底部的管线分别与动力循环泵进水口和富液排出管固定安装，所述装置本体底部设置有底座。The bottom-mounted air supply jet regeneration integrated desulfurization device includes a device body, the top of the device body is provided with an exhaust port, the top of the device body is provided with a desulfurization reactor, and the top of the desulfurization reactor cavity is provided with a spray head , the top of the sprinkler head is fixedly installed with the water pump outlet outside the device body through the pipeline, the bottom of the sprinkler head is provided with a packing layer, the bottom of the packing layer in the inner cavity of the device body is provided with a rich liquid collection tank, and the packing layer An air distributor is installed in the rich liquid collection tank at the bottom, the inlet end of the air distributor is connected to the pipeline, a rich liquid discharge pipe is arranged in the middle of the bottom end of the rich liquid collection tank, and a rich liquid Regeneration tank, the side wall of the rich liquid regeneration tank is provided with an overflow weir, the overflow weir is fixedly installed with the water inlet of the water pump through the pipeline, and the side wall of the rich liquid regeneration tank at the top of the overflow weir is provided with a vent pipe, so The middle part of the rich liquid regeneration tank is provided with a jet regenerative oxidizer, the top of the jet regenerative oxidizer is fixedly installed with the fan through the pipeline, and the bottom of the jet regenerative oxidizer is fixed with the outlet of the power circulation pump outside the device body through the pipeline. The pipeline at the bottom of the device body is fixedly installed with the water inlet of the power circulation pump and the rich liquid discharge pipe respectively, and a base is provided at the bottom of the device body.
所述射流再生氧化器包括耦合分配器和射流臂，所述耦合分配器顶部设置有进气口，所述耦合分配器四周设置有射流臂，所述射流臂顶部与耦合分配器内腔的流体出口相连，所述射流臂顶部侧壁与空气吸入口相连，所述射流臂内腔顶部设置有混合液进口，所述混合液进口底部设置有混合腔，所述混合腔底部设置有扩散腔，所述射流臂底部设置有喷嘴，所述耦合分配器底部设置有动力流体进入口。The jet regenerative oxidizer includes a coupling distributor and a jet arm, the top of the coupling distributor is provided with an air inlet, and the coupling distributor is surrounded by jet arms, and the top of the jet arm is connected to the fluid in the inner chamber of the coupling distributor. The outlet is connected, the top side wall of the jet arm is connected to the air suction port, the top of the inner cavity of the jet arm is provided with a mixed liquid inlet, the bottom of the mixed liquid inlet is provided with a mixing chamber, and the bottom of the mixing chamber is provided with a diffusion chamber. A nozzle is provided at the bottom of the jet arm, and a motive fluid inlet is provided at the bottom of the coupling distributor.
所述射流臂的个数设置为4-36个，且射流臂的层数设置为1-3层。The number of the jet arms is set to 4-36, and the number of layers of the jet arms is set to 1-3 layers.
所述射流再生氧化器顶部通过法兰与管线一端固定安装，所述射流再生氧化器低部通过法兰与管线一端固定安装。The top of the jet regenerative oxidizer is fixedly installed with one end of the pipeline through a flange, and the lower part of the jet regenerative oxidizer is fixed with one end of the pipeline through a flange.
所述风机提供的氧气设置为空气或富氧空气。The oxygen provided by the blower is set as air or oxygen-enriched air.
所述脱硫反应器、管线、喷淋头、布气器和溢流堰均设置为304钢。The desulfurization reactor, pipeline, spray head, air distributor and overflow weir are all made of 304 steel.
所述射流再生氧化器设置为PP塑料射流再生氧化器。The jet regenerative oxidizer is set as a PP plastic jet regenerative oxidizer.
本发明有益效果：Beneficial effects of the present invention:
1、本发明装置充氧效率高，减少了氧化所用风量，大大降低了能耗，微小气泡均匀分布于氧化槽内，形成了较好的的浮选效果，有利于硫磺泡沫与脱硫液的分离；1. The device of the present invention has high oxygenation efficiency, reduces the air volume used for oxidation, and greatly reduces energy consumption. The tiny air bubbles are evenly distributed in the oxidation tank, forming a better flotation effect, which is beneficial to the separation of sulfur foam and desulfurization liquid ;
2、本发明装置脱硫再生所用的空气少，减少了再生尾气的产生，减少了尾气处理费用，产生的硫磺泡沫平稳，减少脱硫再生槽的高度；2. The air used for desulfurization and regeneration of the device of the present invention is less, reduces the generation of regeneration tail gas, reduces the cost of tail gas treatment, produces stable sulfur foam, and reduces the height of the desulfurization regeneration tank;
3、本发明装置具有脱硫与脱硫催化剂再生两种功能，实现了脱硫与富液氧化转化工艺统一为一体，减少了装置的占地，提高了设备利用率，尤其是设计了特殊的射流再生氧化器，提高了富液的氧化效率，使得脱硫更加彻底；本装置具有效率高，占地面积小、脱硫效果强等优点，可以广泛应用到电厂、化工、钢铁、环保等领域。3. The device of the present invention has two functions of desulfurization and desulfurization catalyst regeneration, realizes the integration of desulfurization and rich liquid oxidation conversion process, reduces the area occupied by the device, and improves the utilization rate of equipment, especially the design of special jet regeneration oxidation The device improves the oxidation efficiency of the rich liquid and makes desulfurization more thorough; this device has the advantages of high efficiency, small footprint, and strong desulfurization effect, and can be widely used in power plants, chemical industry, steel, environmental protection and other fields.
附图说明Description of drawings
图1为本发明下置式供气射流再生一体化脱硫装置结构示意图；Fig. 1 is a structural schematic diagram of the under-mounted air supply jet regeneration integrated desulfurization device of the present invention;
图2为本发明射流再生氧化器结构示意图；Fig. 2 is a schematic structural view of the jet flow regenerative oxidizer of the present invention;
1-装置本体，2-排气口，3-脱硫反应器，4-喷淋头，5-水泵，6-填料层，7-富液收集槽，8-布气器，9-富液排出管，10-富液再生槽，11-溢流堰，12-放空管，13-射流再生氧化器，14-风机，15-动力循环泵，16-排出管，17-底座，18-耦合分配器，19-射流臂，20-进气口，21-流体出口，22-空气吸入口，23-混合液进口，24-混合腔，25-扩散腔，26-喷嘴，27-动力流体进入口。1-device body, 2-exhaust port, 3-desulfurization reactor, 4-spray head, 5-water pump, 6-packing layer, 7-rich liquid collection tank, 8-air distributor, 9-rich liquid discharge Pipe, 10-rich liquid regeneration tank, 11-overflow weir, 12-vent pipe, 13-jet regeneration oxidizer, 14-fan, 15-power circulation pump, 16-discharge pipe, 17-base, 18-coupling Distributor, 19-jet arm, 20-air inlet, 21-fluid outlet, 22-air suction inlet, 23-mixed liquid inlet, 24-mixing chamber, 25-diffusion chamber, 26-nozzle, 27-power fluid inlet mouth.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步的详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
如图1和图2所示，下置式供气射流再生一体化脱硫装置，包括装置本体1，所述装置本体1顶部设置有排气口2，所述装置本体1顶部设置有脱硫反应器3，所述脱硫反应器3内腔顶部设置有喷淋头4，所述喷淋头4顶部通过管线与装置本体1外部的水泵5出水口固定安装，所述喷淋头4底部设置有填料层6，所述装置本体1内腔填料层6底部设置富液收集槽7，所述填料层6底部富液收集槽7内设置有布气器8，所述布气器8进口端与管线相连，所述富液收集槽7底端中部设置有富液排出管9，所述富液收集槽7底部设置有富液再生槽10，所述富液再生槽10侧壁设置有溢流堰11，所述溢流堰11通过管线与水泵5进水口固定安装，所述溢流堰11顶部富液再生槽10侧壁设置有放空管12，所述富液再生槽10中部设置有射流再生氧化器13，所述射流再生氧化器13顶部通过管线与风机14固定安装，所述射流再生氧化器13底部通过管线与装置本体1外部的动力循环泵15出水口固定安装，所述富液再生槽10底部的管线分别与动力循环泵15进水口和排出管16固定安装，所述装置本体1底部设置有底座17。As shown in Figure 1 and Figure 2, the integrated desulfurization device with air supply jet regeneration under the bottom includes a device body 1, the top of the device body 1 is provided with an exhaust port 2, and the top of the device body 1 is provided with a desulfurization reactor 3 , the top of the inner chamber of the desulfurization reactor 3 is provided with a spray head 4, the top of the spray head 4 is fixedly installed with the water outlet of the water pump 5 outside the device body 1 through the pipeline, and the bottom of the spray head 4 is provided with a packing layer 6. A rich liquid collection tank 7 is provided at the bottom of the packing layer 6 in the inner cavity of the device body 1, and an air distributor 8 is arranged in the rich liquid collection tank 7 at the bottom of the packing layer 6, and the inlet end of the air distributor 8 is connected to a pipeline The middle part of the bottom end of the rich liquid collection tank 7 is provided with a rich liquid discharge pipe 9, the bottom of the rich liquid collection tank 7 is provided with a rich liquid regeneration tank 10, and the side wall of the rich liquid regeneration tank 10 is provided with an overflow weir 11 , the overflow weir 11 is fixedly installed through the pipeline and the water inlet of the water pump 5, the side wall of the rich liquid regeneration tank 10 on the top of the overflow weir 11 is provided with a vent pipe 12, and the middle part of the rich liquid regeneration tank 10 is provided with a jet regeneration Oxidizer 13, the top of the jet regenerative oxidizer 13 is fixedly installed with the fan 14 through the pipeline, the bottom of the jet regenerative oxidizer 13 is fixedly installed with the outlet of the power circulation pump 15 outside the device body 1 through the pipeline, and the rich liquid regeneration The pipeline at the bottom of the tank 10 is fixedly installed with the water inlet of the power circulation pump 15 and the discharge pipe 16 respectively, and the bottom of the device body 1 is provided with a base 17 .
所述射流再生氧化器13包括耦合分配器18和射流臂19，所述耦合分配器18顶部设置有进气口20，所述耦合分配器18四周设置有射流臂19，所述射流臂19顶部与耦合分配器18内腔的流体出口21相连，所述射流臂19顶部侧壁与空气吸入口22相连，所述射流臂19内腔顶部设置有混合液进口23，所述混合液进口23底部设置有混合腔24，所述混合腔24底部设置有扩散腔25，所述射流臂19底部设置有喷嘴26，所述耦合分配器18底部设置有动力流体进入口27。The jet regenerative oxidizer 13 includes a coupling distributor 18 and a jet arm 19, the top of the coupling distributor 18 is provided with an air inlet 20, the coupling distributor 18 is surrounded by a jet arm 19, and the top of the jet arm 19 is It is connected with the fluid outlet 21 of the inner cavity of the coupling distributor 18, the top side wall of the jet arm 19 is connected with the air suction port 22, the top of the inner cavity of the jet arm 19 is provided with a mixed liquid inlet 23, and the bottom of the mixed liquid inlet 23 is A mixing chamber 24 is provided, a diffusion chamber 25 is provided at the bottom of the mixing chamber 24 , a nozzle 26 is provided at the bottom of the jet arm 19 , and a motive fluid inlet 27 is provided at the bottom of the coupling distributor 18 .
所述射流臂19的个数设置为4-36个，且射流臂19的层数设置为1-3层，射流臂19的个数和层数可以根基实际情况进行调整。The number of jet arms 19 is set to 4-36, and the number of layers of jet arms 19 is set to 1-3 layers. The number of jet arms 19 and the number of layers can be adjusted based on actual conditions.
所述射流再生氧化器13顶部通过法兰与管线一端固定安装，所述射流再生氧化器13低部通过法兰与管线一端固定安装。The top of the jet regenerative oxidizer 13 is fixedly installed with one end of the pipeline through a flange, and the lower part of the jet regenerative oxidizer 13 is fixed with one end of the pipeline through a flange.
所述风机14提供的氧气设置为空气或富氧空气。The oxygen provided by the fan 14 is set as air or oxygen-enriched air.
所述脱硫反应器3、管线、喷淋头4、布气器8和溢流堰11均设置为304钢。The desulfurization reactor 3, pipeline, sprinkler 4, air distributor 8 and overflow weir 11 are all made of 304 steel.
所述射流再生氧化器13设置为PP塑料射流再生氧化器。The jet regenerative oxidizer 13 is set as a PP plastic jet regenerative oxidizer.
本发明装置的工作过程为，含硫气体经过布气器8进入装置本体1内，水泵5从富液再生槽10中的溢流堰11中抽取贫液，贫液经过管线后从喷淋头4喷洒在填料层6上，填料层6与贫液接触反应脱硫，反应后的贫液转化成富液进入富液收集槽7，并通过富液排出管9流入富液再生槽10，并且在富液再生槽10内进行氧化再生，富液经过动力循环泵15增压进入射流再生氧化器13内，在喷入混合腔24产生负压，与风机14吸入的氧气进入射流再生氧化器13的混合腔24与富液混合，在混合腔24内的富液和氧气充分混合，混合后通过混合腔24后段将射流的动能逐步转变成压能后进入扩散腔25，在扩散腔25内富液混合物和氧气进一步混合，迫使氧气继续剪切、粉碎并乳化，保证绝大部分氧气充分溶解于富液中，同时在射流流体的带动下，微小气泡从扩散腔25的喷嘴26中倾斜向下喷出、扩散，形成对富液再生槽10槽底富液混合、搅拌后由富液再生槽10槽底缓缓上升至液面，加长微气泡在水中停留时间，使空气中的氧气被充分溶解和吸收，提高氧气转化效率和充氧能力，有利于单质硫的生成及析出，由于射流再生氧化器13具有高效的搅拌功能，富液得到了氧化再生生成贫液，贫液通过射流臂19喷出，由于射流再生氧化器13具有高效的搅拌功能，富液得到了氧化再生生成贫液，再由水泵5从富液再生槽10中的溢流堰11中抽取贫液，贫液经过管线后从喷淋头4喷洒在填料层6上，整个工艺形成一个整体，生产过程形成的部分尾气经分别从放空管12和排气口2排出。The working process of the device of the present invention is that the sulfur-containing gas enters the device body 1 through the gas distributor 8, the water pump 5 extracts the lean liquid from the overflow weir 11 in the rich liquid regeneration tank 10, and the lean liquid passes through the pipeline and is discharged from the spray head. 4 is sprayed on the packing layer 6, and the packing layer 6 contacts with the lean liquid for desulfurization reaction, and the reacted lean liquid is transformed into a rich liquid and enters the rich liquid collection tank 7, and flows into the rich liquid regeneration tank 10 through the rich liquid discharge pipe 9, and in the rich liquid Oxidation and regeneration are carried out in the liquid regeneration tank 10, and the rich liquid is pressurized by the power circulation pump 15 and enters the jet flow regeneration oxidizer 13, and is sprayed into the mixing chamber 24 to generate negative pressure, and is mixed with the oxygen inhaled by the fan 14 into the jet flow regeneration oxidizer 13 The chamber 24 is mixed with the rich liquid, and the rich liquid and oxygen in the mixing chamber 24 are fully mixed. After mixing, the kinetic energy of the jet is gradually converted into pressure energy through the rear section of the mixing chamber 24, and then enters the diffusion chamber 25, and the rich liquid in the diffusion chamber 25 The mixture and oxygen are further mixed to force the oxygen to continue shearing, crushing and emulsification, ensuring that most of the oxygen is fully dissolved in the rich liquid. After mixing and stirring, the rich liquid slowly rises from the bottom of the rich liquid regeneration tank 10 to the liquid surface, prolonging the residence time of the microbubbles in the water, so that the oxygen in the air is fully dissolved Oxygen conversion efficiency and oxygenation ability are improved, which is beneficial to the generation and precipitation of elemental sulfur. Since the jet regeneration oxidizer 13 has an efficient stirring function, the rich liquid is oxidized and regenerated to form a lean liquid, which is sprayed through the jet arm 19 Because the jet flow regenerative oxidizer 13 has a high-efficiency stirring function, the rich liquid is oxidized and regenerated to form a lean liquid, and then the water pump 5 draws the lean liquid from the overflow weir 11 in the rich liquid regeneration tank 10, and the lean liquid passes through the pipeline Spraying on the packing layer 6 from the shower head 4, the whole process forms a whole, and part of the tail gas formed in the production process is discharged from the vent pipe 12 and the exhaust port 2 respectively.
Claims (7)
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Application publication date: 20180914 |