WO2019090517A1 - 一种干湿式烟气除尘装置 - Google Patents

一种干湿式烟气除尘装置 Download PDF

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WO2019090517A1
WO2019090517A1 PCT/CN2017/109945 CN2017109945W WO2019090517A1 WO 2019090517 A1 WO2019090517 A1 WO 2019090517A1 CN 2017109945 W CN2017109945 W CN 2017109945W WO 2019090517 A1 WO2019090517 A1 WO 2019090517A1
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flue gas
dry
water
dust removing
removing device
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PCT/CN2017/109945
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English (en)
French (fr)
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周长贵
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苏州荣能环保科技有限公司
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Priority to PCT/CN2017/109945 priority Critical patent/WO2019090517A1/zh
Priority to CN201780002688.9A priority patent/CN108064186A/zh
Publication of WO2019090517A1 publication Critical patent/WO2019090517A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • 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
    • 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
    • B01D53/26—Drying gases or vapours
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/266—Drying gases or vapours by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

Definitions

  • the invention relates to the technical field of exhaust gas treatment devices, in particular to a dry and wet flue gas dedusting device.
  • the existing dust removal device uses dust spray to remove dust, but due to the limitation of spray method, the sprayed mist water Insufficient contact with the flue gas results in poor dust removal effect, and the sprayed water mist cannot form a partition film, so that some of the flue gas is not directly contacted with the misty water and is directly discharged into the atmosphere, causing environmental pollution.
  • the technical problem mainly solved by the present invention is to provide a dry and wet flue gas dedusting device capable of performing wet filtration on flue gas, fully dissolving soluble pollutants in flue gas, purifying flue gas, and being capable of being wet.
  • the flue gas is further dried, and then the water-insoluble impurities in the flue gas are purified, and the design is reasonable.
  • a technical solution adopted by the present invention is to provide a dry-wet type flue gas dust removing device, comprising a water filtering dust removing device box and a drying dust removing device box, wherein the dry dust removing device box is located in the An air blower is disposed between the water filtering dust removing device box and the drying dust removing device box on the right side of the water filtering dust removing device box;
  • the outer surface of the water filter dust removing device box is provided with a water inlet, a water outlet, a first inlet and a first exhaust port, and the first inlet is located at a lower end of the water filtering and dust removing device box. Said The water outlet and the water outlet are respectively located on the left and right sides of the first inlet, the first exhaust port is located at the upper right of the water filter and dust removal device box and is connected to the induced draft fan through a pipeline;
  • the water filter dust removing device box is provided with a water level sensor and a first filter net, the water level sensor is located below the first filter net, and the first filter net is located below the first exhaust port;
  • the dry dust removing device box is provided with a flue gas disperser, a dryer, a temperature and humidity sensor and a second filter net, the flue gas disperser is located at an upper end of the dry dust removing device box and with the dry dust removing device
  • the tank is detachably connected, the dryer is connected to the draft fan through a pipeline, the temperature and humidity sensor is disposed on a right side of the dryer, and the second filter is disposed under the temperature and humidity sensor
  • the lower end of the dry dust removing device box is further provided with a second exhaust port.
  • the first inlet is connected to the inlet duct, and the inlet duct is provided with a flow regulating valve.
  • the first filter mesh is an activated carbon filter mesh
  • the first filter mesh has a mesh number of 3000-5000
  • the second filter mesh is a silver ion deodorizing filter net
  • the second filter mesh is The number of meshes is 4000-6000.
  • the outer surface of the dry dust removing device box is further provided with a heat insulating layer, the insulating layer has a thickness of 2-3 cm, and the heat insulating layer is a plastic sponge insulating layer or a silicone insulating layer.
  • the water filter dust removal device box is a stainless steel water filter dust removal device box
  • the dry dust removal device box is a stainless steel dry dust removal device box.
  • the flue gas disperser is an impeller type unpowered disperser.
  • the induced draft fan is a centrifugal induced draft fan.
  • the flue gas After the water inlet of the water filtering and dust removing device is flooded, the flue gas enters from the first inlet, and the flow regulating valve controls the flow of the incoming smoke, so that the flue gas stays in the water for a sufficient period of time, and then passes through the first filter screen and The induced draft fan enters the box of the dry dust removing device, and the flue gas is dried and heated according to the temperature and humidity sensor and the drying, and the flue gas disperser causes the flue gas to pass through the second filter net and is eliminated by the second exhaust port, and the whole process can be used for the smoke.
  • the gas is subjected to wet filtration, which can fully dissolve the soluble pollutants in the flue gas, purify the flue gas, and further dry the wet flue gas, and then purify the water-insoluble impurities in the flue gas.
  • wet filtration can fully dissolve the soluble pollutants in the flue gas, purify the flue gas, and further dry the wet flue gas, and then purify the water-insoluble impurities in the flue gas.
  • Figure 1 is a schematic view of the structure of the present invention
  • Water filter dust removal device box 1 first smoke inlet 11, first smoke outlet 12, water inlet 13, water outlet 14, water level sensor 15, first filter 16, dry dust removal device box 2, dryer 21
  • a dry-wet type flue gas dedusting device as shown in FIG. 1, includes a water filter dust removing device box 1 and a dry dust removing device box 2, wherein the dry dust removing device box is located in the water filtering dust removing device box The right side of the body, the water filter dust removal device box and the dry dust removal device box is provided with an induced draft fan 3;
  • the outer surface of the water filter dust removing device box is provided with a water inlet 13 , a water outlet 14 , a first inlet port 11 and a first exhaust port 12 , and the first inlet port is located in the water filtering and dust removing device box a lower end of the body, the water inlet and the water outlet are respectively located at left and right sides of the first inlet, the first exhaust port is located at a right upper side of the water filter device and passes through the pipeline Connecting the induced draft fan;
  • a water level sensor 15 and a first filter net 16 are disposed in the water filter dust removal device box, the water level sensor is located below the first filter net, and the first filter net is located at the first exhaust port Below
  • the dry dust removing device box is provided with a flue gas disperser 22, a dryer 21, a temperature and humidity sensor 25 and a second filter net 23, and the flue gas disperser is located at an upper end of the dry dust removing device box and
  • the dry dust removing device box is detachably connected, and the dryer is connected to the draft fan through a pipeline, and the temperature and humidity sensor is disposed on a right side of the dryer, and the temperature and humidity sensor is provided under the temperature and humidity sensor
  • the second filter net is further provided with a second exhaust port 24 at the lower end of the dry dust removing device box.
  • the first inlet is connected to the inlet duct, and the inlet duct is provided with a flow regulating valve.
  • the first filter screen is an activated carbon filter net, the first filter net has a mesh number of 3000-5000, and the second filter net is a silver ion deodorizing filter net, and the second filter net has a mesh number of 4000. -6000.
  • the outer surface of the dry dust removing device box is further provided with a heat insulating layer, the insulating layer has a thickness of 2-3 cm, and the heat insulating layer is a plastic sponge insulating layer or a silica gel insulating layer.
  • the water filter dust removal device box is a stainless steel water filter dust removal device box
  • the dry dust removal device box is a stainless steel dry dust removal device box.
  • the flue gas disperser is an impeller type non-power disperser.
  • the induced draft fan is a centrifugal draft fan.
  • the working principle and working process of the invention are as follows: in the process of use, after the water inlet of the water filtering dust removing device enters the water, the flue gas enters from the first inlet, and the flow regulating valve controls the flow of the incoming smoke, so that the smoke The gas is allowed to stand in the water for a long enough time, and then enters the dry dust removal device box through the first filter screen and the induced draft fan, and the flue gas is dried and heated according to the temperature and humidity sensor and the drying, and the flue gas disperser causes the flue gas to pass through the second After the filter screen is removed by the second exhaust port, the whole process can not only wet filter the flue gas, but also dissolve the soluble pollutants in the flue gas, purify the flue gas, and further dry the wet flue gas. Then purify the impurities that are insoluble in water in the flue gas, and the design is reasonable and practical.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

一种干湿式烟气除尘装置，包括水过滤除尘装置箱体（1）和干燥除尘装置箱体（2），水过滤除尘装置箱体（1）的外表面设有进水口（13）、出水口（14）、第一进烟口（11）和第一排烟口（12）；水过滤除尘装置箱体（1）内设有水位传感器（15）和第一过滤网（16），干燥除尘装置箱体（2）内设有烟气分散器（22）、干燥器（21）、温湿度传感器（25）和第二过滤网（23），干燥器（21）的右侧设有温湿度传感器（25），温湿度传感器（25）的下方设有第二过滤网（23），干燥除尘装置箱体（2）的下端还设有第二排烟口（24）。该干湿式烟气除尘装置能够对烟气进行湿式过滤，并进一步干燥。

Description

一种干湿式烟气除尘装置 技术领域
本发明涉及废气处理装置技术领域，特别是涉及一种干湿式烟气除尘装置。
背景技术
随着现代社会的发展，人们的需求越来越大，为满足人们的需求，各种工厂越来越多，电厂以及很多工厂的生产过程中需要使用锅炉，过滤在使用过程中会向大气排放烟气，然而在自然环境严重恶化的今天，烟气净化是一个不可或缺的环节，传统的水吸附式烟气净化装置不能满足现代人们对环境的要求，因此急需一种改进的技术来解决上述技术缺陷。
由于锅炉烟气中含有大量粉尘，因此需经过除尘及其他净化再排入大气，现有的除尘装置，多采用喷淋水的方式除尘，但是由于喷淋方式所限，喷出的雾状水和烟气接触不充分，导致除尘效果较差，并且喷出的水雾无法形成隔断膜，导致部分烟气未和雾状水接触而直接排入大气中，造成环境污染。
为了克服上述缺点，本领域技术人员积极创新研究，以期创设出一种新型的干湿式烟气除尘装置。
发明内容
本发明主要解决的技术问题是提供了一种干湿式烟气除尘装置，能够对烟气进行湿式过滤，能充分溶解烟气中的可溶污染物，将烟气净化，而且能够对湿的烟气进行进一步干燥，然后净化烟气中不溶于水的杂质，设计合理。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种干湿式烟气除尘装置，包括水过滤除尘装置箱体和干燥除尘装置箱体，所述干燥除尘装置箱***于所述水过滤除尘装置箱体的右侧，所述水过滤除尘装置箱体与所述干燥除尘装置箱体之间设有引风机；
所述水过滤除尘装置箱体的外表面设有进水口、出水口、第一进烟口和第一排烟口，所述第一进烟口位于所述水过滤除尘装置箱体的下端，所述进 水口和所述出水口分别位于所述第一进烟口的左右两侧，所述第一排烟口位于所述水过滤除尘装置箱体的右上方且通过管路连接所述引风机；
所述水过滤除尘装置箱体内设有水位传感器和第一过滤网，所述水位传感器位于所述第一过滤网的下方，所述第一过滤网位于所述第一排烟口的下方；
所述干燥除尘装置箱体内设有烟气分散器、干燥器、温湿度传感器和第二过滤网，所述烟气分散器位于所述干燥除尘装置箱体的上端且与所述干燥除尘装置箱体可拆卸连接，所述干燥器通过管路与所述引风机连通，所述干燥器的右侧设有所述温湿度传感器，所述温湿度传感器的下方设有所述第二过滤网，所述干燥除尘装置箱体的下端还设有第二排烟口。
进一步地说，所述第一进烟口连接进烟管道，所述进烟管道设有流量调节阀。
进一步地说，所述第一滤网为活性炭过滤网，所述第一滤网的目数为3000-5000，所述第二滤网为银离子除臭过滤网，所述第二滤网的目数为4000-6000。
进一步地说，所述干燥除尘装置箱体的外表面还设有保温层，所述保温层的厚度为2-3cm，所述保温层为塑料海绵保温层或硅胶保温层。
进一步地说，所述水过滤除尘装置箱体为不锈钢水过滤除尘装置箱体，所述干燥除尘装置箱体为不锈钢干燥除尘装置箱体。
进一步地说，所述烟气分散器为叶轮式无动力分散器。
进一步地说所述引风机为离心引风机。
本发明的有益效果是：
通过水过滤除尘装置的进水口进水后，烟气从第一进烟口进入，由流量调节阀控制进烟流量，使得烟气在水中待够足够长的时间，而后经过第一滤网和引风机进入干燥除尘装置箱体，根据温湿度传感器和干燥对烟气进行干燥和加热，烟气分散器使得烟气通过第二滤网后由第二排烟口排除，整个过程既能够对烟气进行湿式过滤，能充分溶解烟气中的可溶污染物，将烟气净化，而且能够对湿的烟气进行进一步干燥，然后净化烟气中不溶于水的杂质， 设计合理，实用性强。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，并可依照说明书的内容予以实施，以下以本发明的较佳实施例并配合附图详细说明如后。
附图说明
图1是本发明的结构示意图；
附图中各部分标记如下：
水过滤除尘装置箱体1、第一进烟口11、第一排烟口12、进水口13、出水口14、水位传感器15、第一过滤网16、干燥除尘装置箱体2、干燥器21、烟气分散器22、第二过滤网23、第二排烟口24、温湿度传感器25和引风机3。
具体实施方式
以下通过特定的具体实施例说明本发明的具体实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的优点及功效。本发明也可以其它不同的方式予以实施，即，在不背离本发明所揭示的范畴下，能予不同的修饰与改变。
实施例：一种干湿式烟气除尘装置，如图1所示，包括水过滤除尘装置箱体1和干燥除尘装置箱体2，所述干燥除尘装置箱***于所述水过滤除尘装置箱体的右侧，所述水过滤除尘装置箱体与所述干燥除尘装置箱体之间设有引风机3；
所述水过滤除尘装置箱体的外表面设有进水口13、出水口14、第一进烟口11和第一排烟口12，所述第一进烟口位于所述水过滤除尘装置箱体的下端，所述进水口和所述出水口分别位于所述第一进烟口的左右两侧，所述第一排烟口位于所述水过滤除尘装置箱体的右上方且通过管路连接所述引风机；
所述水过滤除尘装置箱体内设有水位传感器15和第一过滤网16，所述水位传感器位于所述第一过滤网的下方，所述第一过滤网位于所述第一排烟口的下方；
所述干燥除尘装置箱体内设有烟气分散器22、干燥器21、温湿度传感器25和第二过滤网23，所述烟气分散器位于所述干燥除尘装置箱体的上端且与所述干燥除尘装置箱体可拆卸连接，所述干燥器通过管路与所述引风机连通，所述干燥器的右侧设有所述温湿度传感器，所述温湿度传感器的下方设有所述第二过滤网，所述干燥除尘装置箱体的下端还设有第二排烟口24。
所述第一进烟口连接进烟管道，所述进烟管道设有流量调节阀。
所述第一滤网为活性炭过滤网，所述第一滤网的目数为3000-5000，所述第二滤网为银离子除臭过滤网，所述第二滤网的目数为4000-6000。
所述干燥除尘装置箱体的外表面还设有保温层，所述保温层的厚度为2-3cm，所述保温层为塑料海绵保温层或硅胶保温层。
所述水过滤除尘装置箱体为不锈钢水过滤除尘装置箱体，所述干燥除尘装置箱体为不锈钢干燥除尘装置箱体。
所述烟气分散器为叶轮式无动力分散器。
所述引风机为离心引风机。
本发明的工作原理和工作过程如下：本发明在使用过程中，通过水过滤除尘装置的进水口进水后，烟气从第一进烟口进入，由流量调节阀控制进烟流量，使得烟气在水中待够足够长的时间，而后经过第一滤网和引风机进入干燥除尘装置箱体，根据温湿度传感器和干燥对烟气进行干燥和加热，烟气分散器使得烟气通过第二滤网后由第二排烟口排除，整个过程既能够对烟气进行湿式过滤，能充分溶解烟气中的可溶污染物，将烟气净化，而且能够对湿的烟气进行进一步干燥，然后净化烟气中不溶于水的杂质，设计合理，实用性强。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (7)

  1. 一种干湿式烟气除尘装置，其特征在于：包括水过滤除尘装置箱体(1)和干燥除尘装置箱体(2)，所述干燥除尘装置箱***于所述水过滤除尘装置箱体的右侧，所述水过滤除尘装置箱体与所述干燥除尘装置箱体之间设有引风机(3)；
    所述水过滤除尘装置箱体的外表面设有进水口(13)、出水口(14)、第一进烟口(11)和第一排烟口(12)，所述第一进烟口位于所述水过滤除尘装置箱体的下端，所述进水口和所述出水口分别位于所述第一进烟口的左右两侧，所述第一排烟口位于所述水过滤除尘装置箱体的右上方且通过管路连接所述引风机；
    所述水过滤除尘装置箱体内设有水位传感器(15)和第一过滤网(16)，所述水位传感器位于所述第一过滤网的下方，所述第一过滤网位于所述第一排烟口的下方；
    所述干燥除尘装置箱体内设有烟气分散器(22)、干燥器(21)、温湿度传感器(25)和第二过滤网(23)，所述烟气分散器位于所述干燥除尘装置箱体的上端且与所述干燥除尘装置箱体可拆卸连接，所述干燥器通过管路与所述引风机连通，所述干燥器的右侧设有所述温湿度传感器，所述温湿度传感器的下方设有所述第二过滤网，所述干燥除尘装置箱体的下端还设有第二排烟口(24)。
  2. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述第一进烟口连接进烟管道，所述进烟管道设有流量调节阀。
  3. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述第一滤网为活性炭过滤网，所述第一滤网的目数为3000-5000，所述第二滤网为银离子除臭过滤网，所述第二滤网的目数为4000-6000。
  4. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述干燥除尘装置箱体的外表面还设有保温层，所述保温层的厚度为2-3cm，所述保温层为塑料海绵保温层或硅胶保温层。
  5. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述水过滤除尘装置箱体为不锈钢水过滤除尘装置箱体，所述干燥除尘装置箱体 为不锈钢干燥除尘装置箱体。
  6. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述烟气分散器为叶轮式无动力分散器。
  7. 根据权利要求1所述的一种干湿式烟气除尘装置，其特征在于:所述引风机为离心引风机。
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