CN206064058U - Dynamic liquid film dust removal device - Google Patents
Dynamic liquid film dust removal device Download PDFInfo
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- CN206064058U CN206064058U CN201620937743.6U CN201620937743U CN206064058U CN 206064058 U CN206064058 U CN 206064058U CN 201620937743 U CN201620937743 U CN 201620937743U CN 206064058 U CN206064058 U CN 206064058U
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- desulfurization
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- 239000000428 dust Substances 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 17
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract 2
- 230000018109 developmental process Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 10
- 239000003595 mist Substances 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000012719 wet electrostatic precipitator Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
Description
（一）技术领域(1) Technical field
本实用新型涉及一种除尘装置，特别涉及一种动态液膜除尘装置。The utility model relates to a dust removal device, in particular to a dynamic liquid film dust removal device.
（二）背景技术(2) Background technology
目前，市场上的除尘、脱硫以布袋除尘、水膜喷淋除尘和静电除尘为主流产品。这三类产品各都有优缺点，如布袋除尘器虽然除尘效率高，但由于空气阻力高，运行功耗大，体积庞大且不能直接应用于高温气体；水膜喷淋除尘同样存在体积大，除雾效果差、填料结垢堵塞等问题；静电除尘所用静电功耗大，占有相当大的运行费用，随着粉尘量累积，其处理效果、运行状态及效率不恒定，呈波浪形。At present, bag dust removal, water film spray dust removal and electrostatic dust removal are the mainstream products for dust removal and desulfurization in the market. Each of these three types of products has advantages and disadvantages. For example, although the bag filter has high dust removal efficiency, due to high air resistance, large operating power consumption, large volume, and cannot be directly applied to high-temperature gases; water film spray dust removal also has a large volume, Poor defogging effect, fouling and clogging of fillers, etc.; the electrostatic power consumption used in electrostatic dust removal is large, which occupies a considerable operating cost. As the amount of dust accumulates, its treatment effect, operating status and efficiency are not constant and appear wavy.
水膜喷淋除尘的净化效率取决于水的喷淋量和喷淋速率，当喷淋速率一定时，净化效率随着喷淋量的变化而变化，而为了提高除尘效率，加大喷淋量成为必要的改进手段，这在一定程度上浪费了水资源，增加了企业生产成本。The purification efficiency of water film spray dust removal depends on the spray volume and spray rate of water. When the spray rate is constant, the purification efficiency changes with the change of spray volume. In order to improve the dust removal efficiency, increase the spray volume It becomes a necessary means of improvement, which wastes water resources to a certain extent and increases the production cost of enterprises.
（三）发明内容(3) Contents of the invention
本实用新型为了弥补现有技术的不足，提供了一种结构简单、使用方便的动态液膜除尘装置。In order to make up for the deficiencies of the prior art, the utility model provides a dynamic liquid film dedusting device with simple structure and convenient use.
本实用新型是通过如下技术方案实现的：The utility model is achieved through the following technical solutions:
一种动态液膜除尘装置，包括设置脱硫脱硝喷淋管道的烟气通道，其特征在于：所述烟气通道内设置有位于脱硫脱硝喷淋管道上方的两间隔平行筛网，两筛网横向封堵烟气通道，两筛网之间铺设有直径35-40mm的轻质球，筛网上下方位置分别设置有正对筛网的喷头。A dynamic liquid film dedusting device, including a flue gas passage provided with a desulfurization and denitrification spray pipe, characterized in that: the flue gas passage is provided with two spaced parallel screens located above the desulfurization and denitrification spray pipe, and the two screens are horizontally To block the flue gas channel, light balls with a diameter of 35-40mm are laid between the two screens, and nozzles facing the screens are respectively arranged at the upper and lower positions of the screens.
本实用新型通过封堵烟气通道的筛网的设置，实现轻质球的位置固定，利用轻质球的吸附作用，实现烟气除尘，同时，为增加轻质球的吸附作用，通过喷头对其进行加水及动力冲击，实现了轻质球在筛网之间的上下浮动，使轻质球之间形成液膜，对烟尘吸附的同时，轻质球的运动状态，保证了吸尘的动态进行。The utility model realizes the fixed position of the light ball through the setting of the screen for blocking the flue gas channel, and uses the adsorption effect of the light ball to realize the dust removal of the flue gas. At the same time, in order to increase the adsorption effect of the light ball, it is It adds water and impacts power to realize the floating up and down of the light balls between the screens, so that a liquid film is formed between the light balls, and while absorbing the smoke and dust, the movement state of the light balls ensures the dynamics of dust collection. conduct.
尘雾粒子通过本实用新型的除尘装置时，在轻质球表面形成动态液膜，充分粘附、交换，在离心力作用下与烟气分离；极小部分的尘雾粒子本身则由于其固有的粘性而附着在轻质球表面，通过冲洗的方法将其清除。When the dust mist particles pass through the dust removal device of the utility model, a dynamic liquid film is formed on the surface of the light ball, which is fully adhered and exchanged, and is separated from the flue gas under the action of centrifugal force; a very small part of the dust mist particles themselves is due to its inherent viscosity. Attached to the surface of the light ball, it can be removed by washing.
本实用新型的更优技术方案为：The more optimal technical scheme of the utility model is:
所述两筛网之间铺设的轻质球为三层，实现了轻质球的上下全方位封堵，增强除尘效果。There are three layers of lightweight balls laid between the two screens, which realize the all-round sealing of the lightweight balls up and down and enhance the dust removal effect.
所述轻质球为每个重8g的实心发泡聚酯球，材料质轻，且成本低。The lightweight balls are solid foamed polyester balls each weighing 8g, and the material is light in weight and low in cost.
所述两筛网上下方的喷头与筛网的垂直距离为15cm，上下对应的喷头间隔喷淋，且喷淋压力大于3kg，保证了喷头对轻质球的施力，实现了轻质球的上下波动，保证动态吸尘的进行。The vertical distance between the nozzles on the lower and lower sides of the two screens and the screen is 15cm, the upper and lower corresponding nozzles are sprayed at intervals, and the spray pressure is greater than 3kg, which ensures the force applied by the nozzles to the light ball and realizes the up and down movement of the light ball. Fluctuation to ensure dynamic vacuuming.
本实用新型与湿式（或干式）静电除尘器的不同点在于：The utility model differs from the wet (or dry) electrostatic precipitator in that:
（1）湿式静电除尘器通过使烟尘荷电的方式将其吸附，需形成强力电场，耗电量极大；(1) The wet electrostatic precipitator absorbs the dust by charging it, and needs to form a strong electric field, which consumes a lot of power;
（2）湿式静电除尘器自重大，安装在吸收塔顶部需要强力的支撑结构，增加支撑结构成本；(2) The wet electrostatic precipitator is heavy, and it needs a strong support structure to be installed on the top of the absorption tower, which increases the cost of the support structure;
（3）本除尘装置在饱和湿烟气条件下工作，利用烟气自身的速度离心力与烟气分离，零耗电，除尘除雾效率高；(3) The dust removal device works under the condition of saturated wet flue gas, and uses the speed and centrifugal force of the flue gas to separate from the flue gas, with zero power consumption and high dust and fog removal efficiency;
（4）本除尘装置采用更高的设计烟气流速，体积更小，重量更轻，节省支撑结构成本；(4) This dedusting device adopts a higher design flue gas flow rate, smaller volume, lighter weight, and saves the cost of supporting structures;
（5）本除尘装置借助水力清灰，没有阴阳极振打装置，不会产生二次飞扬，确保出口粉尘达标；(5) The dedusting device uses water power to remove dust, and there is no anode and cathode rapping device, so there will be no secondary flying to ensure that the dust at the outlet reaches the standard;
（6）本除尘装置对于微细颗粒PM2.5以及三氧化硫有很好的去除效果。(6) This dust removal device has a good removal effect on fine particles PM2.5 and sulfur trioxide.
本实用新型结构简单，使用方便，设计合理，应用灵活，有效提高吸尘效率，减少水资源浪费，节约生产成本，适于广泛推广应用。The utility model has the advantages of simple structure, convenient use, reasonable design, flexible application, effectively improving dust collection efficiency, reducing waste of water resources, saving production cost, and is suitable for wide popularization and application.
（四）附图说明(4) Description of drawings
下面结合附图对本实用新型作进一步的说明。Below in conjunction with accompanying drawing, the utility model is further described.
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图中，1烟气通道，2脱硫脱硝喷淋管道，3筛网，4轻质球，5喷头。In the figure, 1 flue gas channel, 2 desulfurization and denitrification spray pipe, 3 screen, 4 light ball, 5 nozzle.
（五）具体实施方式(5) Specific implementation methods
附图为本实用新型的一种具体实施例。该实施例包括设置脱硫脱硝喷淋管道2的烟气通道1，所述烟气通道1内设置有位于脱硫脱硝喷淋管道2上方的两间隔平行筛网3，两筛网3横向封堵烟气通道1，两筛网3之间铺设有直径35-40mm的轻质球4，筛网3上下方位置分别设置有正对筛网3的喷头5；所述两筛网3之间铺设的轻质球4为三层；所述轻质球4为每个重8g的实心发泡聚酯球；所述两筛网3上下方的喷头5与筛网3的垂直距离为15cm，上下对应的喷头3间隔喷淋，且喷淋压力大于3kg。Accompanying drawing is a kind of concrete embodiment of the utility model. This embodiment includes a flue gas passage 1 provided with a desulfurization and denitrification spray pipe 2. The flue gas passage 1 is provided with two spaced parallel screens 3 above the desulfurization and denitrification spray pipe 2, and the two screens 3 block the smoke laterally. Air channel 1, lightweight balls 4 with a diameter of 35-40mm are laid between the two screens 3, and the upper and lower positions of the screens 3 are respectively provided with nozzles 5 facing the screen 3; The lightweight ball 4 is three layers; the lightweight ball 4 is a solid foamed polyester ball each weighing 8g; the vertical distance between the shower nozzle 5 on the upper and lower sides of the two screens 3 and the screen 3 is 15cm, corresponding up and down. The spray nozzles 3 are sprayed at intervals, and the spray pressure is greater than 3kg.
工业生产产生的烟气通过烟气通道1向外排放，在向外排放过程中，烟气通道1内的脱硫脱硝喷淋管道2对烟气进行脱硫脱硝，但是，这种初级处理，并不能完全将烟气中的灰尘及有害气体清除；烟气继续向前运动，经过筛网3进入轻质球4的空间，筛网3下方的喷头5向上对轻质球4喷淋，压力大于3kg，为轻质球4加水的过程中，对其施力，使其向上浮动，多层轻质球4在喷头5和重力作用下，上下浮动的过程中，喷淋的水在轻质球4之间形成水膜，对烟气中的灰尘和有害气体进行吸附，且由于轻质球4相互之间连接紧密，无形中，延长了烟气的行走路径，增加了吸附时间，由此吸附效果更好；筛网3上方的喷头5和下方的喷头5间隔喷淋，下方喷头5喷淋60-90min后关闭，上方喷头5开启喷淋1-2min，对吸尘后的轻质球4冲洗1-2min，然后关闭，再次开启下方喷头5，如此往复，实现了轻质球4的循环使用。The flue gas produced by industrial production is discharged through the flue gas channel 1. During the process of discharging, the desulfurization and denitrification spray pipe 2 in the flue gas channel 1 performs desulfurization and denitrification of the flue gas. However, this primary treatment cannot Completely remove the dust and harmful gases in the flue gas; the flue gas continues to move forward, passes through the screen 3 and enters the space of the light ball 4, and the nozzle 5 below the screen 3 sprays upward on the light ball 4 with a pressure greater than 3kg , in the process of adding water to the light ball 4, apply force to it to make it float upwards, and the multi-layer light ball 4 floats up and down under the action of the nozzle 5 and gravity, the water sprayed on the light ball 4 A water film is formed between them to adsorb the dust and harmful gases in the flue gas, and because the lightweight balls 4 are closely connected to each other, virtually prolonging the walking path of the flue gas and increasing the adsorption time, thus the adsorption effect Better; the nozzle 5 above the screen 3 and the nozzle 5 below spray at intervals, the nozzle 5 below sprays for 60-90 minutes and then closes, the nozzle 5 above opens and sprays for 1-2 minutes, and rinses the light ball 4 after vacuuming 1-2min, then close, and open the lower nozzle 5 again, and so on, so that the recycling of the lightweight ball 4 is realized.
本实用新型的除尘装置安装于一体塔中，采用整体式安装。烟气由下往上，经润湿后通过轻质球4，在轻质球4之间形成动态液膜，使烟尘和雾滴得到充分捕集，并由间歇式冲洗水冲刷，进入废水处理系统，收集的液体流入吸收系统循环池中，随吸收循环水一起澄清再循环利用。除尘、雾后的净化烟气通过主烟道烟囱达标排放。The dust removal device of the utility model is installed in an integrated tower, and adopts integral installation. The flue gas passes through the light balls 4 from bottom to top after being wetted, forming a dynamic liquid film between the light balls 4, so that the smoke and mist are fully captured, washed by intermittent flushing water, and enter the waste water treatment system, the collected liquid flows into the circulation pool of the absorption system, and is clarified and recycled together with the absorption circulation water. The purified flue gas after dust removal and mist is discharged up to the standard through the chimney of the main flue.
本实用新型除尘装置的技术特点及优势在于：The technical characteristics and advantages of the dust removal device of the present invention are:
（1）不需电力驱动，零耗电，节能省成本(1) No need for electric drive, zero power consumption, energy saving and cost saving
本除尘装置在饱和湿烟气条件下工作，利用烟气自身的速度产生离心力与烟气分离，不需电力驱动，节约能源；The dedusting device works under the condition of saturated wet flue gas, and uses the speed of the flue gas itself to generate centrifugal force to separate from the flue gas. It does not need electric drive and saves energy;
（2）除尘效率高，并可联合脱除水雾，满足新标要求(2) The dust removal efficiency is high, and it can be combined to remove water mist to meet the requirements of the new standard
本除尘装置的颗粒物脱除效率为99%以上，对于2.5-5μm的颗粒物具有近100%的脱除率；烟囱出口烟尘浓度低于10mg/Nm3，液滴含量低于20mg/Nm3，烟雨林格曼黑度等级小于1，满足新标要求；The particle removal efficiency of this dust removal device is over 99%, and it has a removal rate of nearly 100% for particles of 2.5-5μm; the smoke concentration at the chimney outlet is lower than 10mg/Nm 3 , and the droplet content is lower than 20mg/Nm 3 . The Ringelmann blackness level is less than 1, which meets the requirements of the new standard;
（3）可处理湿烟气，细微粉尘及雾滴（气溶胶）去除效果好(3) It can handle wet flue gas, fine dust and mist (aerosol) removal effect is good
本除尘装置由于其处理的是饱和湿烟气，特别适用于脱除湿烟气中的微细粒子及气溶胶；Since the dust removal device deals with saturated wet flue gas, it is especially suitable for removing fine particles and aerosols in wet flue gas;
（4）可解决湿法脱硫形成的“石膏雨”、“大白烟”问题或镁法脱硫形成的拖尾现象(4) It can solve the "gypsum rain" and "big white smoke" problems caused by wet desulfurization or the tailing phenomenon caused by magnesium desulfurization
本除尘装置能有效去除烟气中的微细粉尘（PM2.5）、细小液滴及气溶胶，去除率可到99%以上，使出口烟气处于各种颗粒几乎被全部去除的比较“洁净”的状态，能有效解决“石膏雨”、“大白烟”问题或镁法脱硫形成的拖尾现象；This dedusting device can effectively remove fine dust (PM2.5), fine liquid droplets and aerosols in the flue gas, and the removal rate can reach more than 99%, so that the outlet flue gas is relatively "clean" where all kinds of particles are almost completely removed. It can effectively solve the problems of "gypsum rain", "big white smoke" or the tailing phenomenon caused by magnesium desulfurization;
（5）较湿式静电除尘装置轻便小巧，方便安装，节约支撑装置成本。(5) The wet electrostatic precipitator is light and compact, easy to install, and saves the cost of supporting devices.
安装本实用新型除尘装置的效果与作用：The effect and function of installing the dust removal device of the present utility model:
（1）细微粉尘去除率（脱硫后烟气）95%以上；(1) Fine dust removal rate (flue gas after desulfurization) is over 95%;
（2）液滴去除率（相对机械除尘器后烟气）大于95%。(2) The droplet removal rate (relative to the flue gas after the mechanical dust collector) is greater than 95%.
同时，本实用新型除尘装置具有以下联合脱除的效果，但不作为本次考核指标：At the same time, the dust removal device of the utility model has the following joint removal effects, but it is not used as an assessment index for this time:
（1）三氧化硫的去除率（脱硫后烟气）达70%以上；(1) The removal rate of sulfur trioxide (flue gas after desulfurization) is over 70%;
（2）二氧化氯的去除率（脱硫后烟气）达45%以上；(2) The removal rate of chlorine dioxide (flue gas after desulfurization) is over 45%;
（3）汞去除率70-90%；(3) The mercury removal rate is 70-90%;
（4）出口烟雨林格曼黑度小于1级。(4) The outlet smoke and rain Ringelmann blackness is less than grade 1.
由于排放烟气中冷凝水雾的降低和三氧化硫浓度的降低，可使烟气酸露点提高，烟囱壁面酸的沉降减少，大大降低腐蚀。Due to the reduction of condensed water mist and the reduction of sulfur trioxide concentration in the exhaust flue gas, the acid dew point of the flue gas can be increased, the acid deposition on the wall surface of the chimney is reduced, and the corrosion is greatly reduced.
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| CN (1) | CN206064058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107320A (en) * | 2018-09-21 | 2019-01-01 | 胡新军 | A kind of desulfurizing industrial fume tower and method |
| CN119406504A (en) * | 2025-01-07 | 2025-02-11 | 山西晋纲新材料科技有限公司 | A double-roll crusher for corundum blocks |
-
2016
- 2016-08-25 CN CN201620937743.6U patent/CN206064058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107320A (en) * | 2018-09-21 | 2019-01-01 | 胡新军 | A kind of desulfurizing industrial fume tower and method |
| CN119406504A (en) * | 2025-01-07 | 2025-02-11 | 山西晋纲新材料科技有限公司 | A double-roll crusher for corundum blocks |
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