CN108187457A - A kind of uphole steam generator movable type skid flue gas desulfurization and denitrification device - Google Patents
A kind of uphole steam generator movable type skid flue gas desulfurization and denitrification device Download PDFInfo
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 131
- 230000023556 desulfurization Effects 0.000 title claims abstract description 131
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000003546 flue gas Substances 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000010521 absorption reaction Methods 0.000 claims abstract description 60
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 20
- 239000011493 spray foam Substances 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 21
- 239000006227 byproduct Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
- B01D53/14—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
- B01D53/1406—Multiple stage absorption
-
- 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
- B01D53/1456—Removing acid components
-
- 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
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- 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
- B01D53/185—Liquid distributors
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
本发明公开了一种油田注汽锅炉移动式撬装烟气脱硫脱硝装置，属于烟气脱硫脱硝装置技术领域。目的是设计一种移动式撬装烟气脱硫脱硝装置，能够随钻井平台一起移动。烟气脱硫脱硝装置，包括脱硫脱硝装置及移动撬装装置，脱硫脱硝装置安装在移动撬装装置上，所述脱硫脱硝装置包括塔体，塔体自上而下依次为烟气出口段、螺旋除雾段、湍球脱硝段、喷淋泡沫脱硫段，所述湍球脱硝段包括脱硝复合吸收液喷淋装置，所述喷淋泡沫脱硫段包括脱硫吸收液喷淋装置。本发明的油田注汽锅炉移动式撬装烟气脱硫脱硝装置，将脱硫脱硝除尘装置等安装在移动式撬装设备上，可以实现可拆卸、移动等功能，有效降低基建投资。
The invention discloses a mobile skid-mounted flue gas desulfurization and denitration device for an oil field steam injection boiler, and belongs to the technical field of flue gas desulfurization and denitrification devices. The purpose is to design a mobile skid-mounted flue gas desulfurization and denitrification device, which can move together with the drilling platform. The flue gas desulfurization and denitrification device includes a desulfurization and denitrification device and a mobile skid-mounted device. The desulfurization and denitrification device is installed on the mobile skid-mounted device. The desulfurization and denitrification device includes a tower body. Demist section, turbulent ball denitrification section, spray foam desulfurization section, the turbulent ball denitrification section includes denitrification compound absorption liquid spraying device, and the spray foam desulfurization section includes desulfurization absorption liquid spraying device. The mobile skid-mounted flue gas desulfurization and denitrification device of the oilfield steam injection boiler of the present invention installs the desulfurization, denitrification and dust removal device on the mobile skid-mounted device, which can realize functions such as detachment and movement, and effectively reduce infrastructure investment.
Description
技术领域technical field
本发明具体涉及一种油田注汽锅炉移动式撬装烟气脱硫脱硝装置，属于烟气脱硫脱硝装置技术领域。针对油气田开采现场设计，具体提供一种注汽锅炉烟气同时脱硫脱硝，可移动撬装式的烟气脱硫脱硝装置。The invention specifically relates to a mobile skid-mounted flue gas desulfurization and denitrification device for an oil field steam injection boiler, and belongs to the technical field of flue gas desulfurization and denitrification devices. Aiming at the field design of oil and gas field exploitation, a mobile skid-mounted flue gas desulfurization and denitrification device is specifically provided for simultaneous desulfurization and denitrification of flue gas from steam injection boilers.
背景技术Background technique
我国稠油及超稠油开发规模越来越大。当前稠油开发的主要工艺为注汽热采，燃煤锅炉在油田注汽中应用较广泛。目前，国内锅炉设备所用燃料以煤为主，排出的污染物主要有SO2、NOx、烟尘等污染物，随着近年环保标准的不断提高，均需要达标排放。目前主要是采用工厂燃煤锅炉的烟气脱硫除尘等工艺和装置，固定建设在锅炉旁边，无法移动。The development scale of heavy oil and super heavy oil in my country is getting bigger and bigger. At present, the main process of heavy oil development is steam injection and thermal recovery, and coal-fired boilers are widely used in oil field steam injection. At present, the fuel used by domestic boiler equipment is mainly coal, and the pollutants discharged mainly include SO 2 , NOx, smoke and other pollutants. With the continuous improvement of environmental protection standards in recent years, all of them need to meet the emission standards. At present, the flue gas desulfurization and dust removal processes and devices of the coal-fired boilers in the factory are mainly used, which are fixed and built next to the boilers and cannot be moved.
目前在油田都是建立一套固定的脱硫脱硝装置，但由于油田钻井采油具有一定流动性，一旦钻井平台移动了固定的脱硫脱硝装置无法移动造成投资成本高，因此开发一套移动式撬装脱硫脱硝装置对于油田锅炉尾气处理具有非常高的应用价值，也能有效降低投资成本。At present, a set of fixed desulfurization and denitrification devices are established in oil fields. However, due to the certain fluidity of oil drilling and production in oil fields, once the drilling platform is moved, the fixed desulfurization and denitrification devices cannot be moved, resulting in high investment costs. Therefore, a mobile skid-mounted desulfurization device is developed. The denitrification device has a very high application value for the treatment of oilfield boiler tail gas, and can also effectively reduce investment costs.
为此发明提供一种油田注汽锅炉移动式撬装烟气脱硫脱硝装置，有效解决传统固定脱硫脱硝装置无法随钻井平台移动而移动造成的投资成本高等问题。To this end, the invention provides a mobile skid-mounted flue gas desulfurization and denitrification device for oilfield steam injection boilers, which effectively solves the problem of high investment costs caused by traditional fixed desulfurization and denitrification devices that cannot move with the drilling platform.
发明内容Contents of the invention
本发明的目的是为了解决传统固定脱硫脱硝装置无法随钻井平台移动而移动造成的投资成本高等问题，设计一种移动式撬装烟气脱硫脱硝装置，能够随钻井平台一起移动。The purpose of the present invention is to solve the problem of high investment cost caused by the traditional fixed desulfurization and denitrification device being unable to move with the drilling platform, and to design a mobile skid-mounted flue gas desulfurization and denitrification device that can move with the drilling platform.
本发明技术方案如下：Technical scheme of the present invention is as follows:
一种油田注汽锅炉移动式撬装烟气脱硫脱硝装置，包括脱硫脱硝装置及移动撬装装置，脱硫脱硝装置安装在移动撬装装置上，所述脱硫脱硝装置包括塔体，塔体自上而下依次为烟气出口段、螺旋除雾段、湍球脱硝段、喷淋泡沫脱硫段，所述湍球脱硝段包括脱硝复合吸收液喷淋装置，所述喷淋泡沫脱硫段包括脱硫吸收液喷淋装置。A mobile skid-mounted flue gas desulfurization and denitrification device for steam injection boilers in oil fields, including a desulfurization and denitrification device and a mobile skid-mounted device. The desulfurization and denitrification device is installed on the mobile skid-mounted device. And the following are flue gas outlet section, spiral defogging section, turbulent ball denitrification section, and spray foam desulfurization section. Liquid spray device.
进一步的，所述螺旋除雾段包括螺旋除雾器。Further, the spiral demister section includes a spiral demister.
进一步的，所述脱硝复合吸收液喷淋装置包括脱硝塔、湍球塑料球、脱硝吸收液遮盖板、空心套管、脱硝复合吸收液回流管、脱硝复合吸收液储液槽、脱硝循环浆液泵、脱硝喷嘴，湍球塑料球设置在脱硝塔内位于脱硝喷嘴与脱硝吸收液遮盖板之间的位置，空心套管设置在脱硝吸收液遮盖板下方且通过脱硝复合吸收液回流管连通脱硝复合吸收液储液槽，脱硝复合吸收液储液槽通过脱硝循环浆液泵连接脱硝喷嘴。Further, the denitration composite absorption liquid spraying device includes a denitration tower, a turbulent ball plastic ball, a denitration absorption liquid cover plate, a hollow sleeve, a denitration composite absorption liquid return pipe, a denitration composite absorption liquid storage tank, and a denitration circulating slurry pump , denitration nozzle, turbulent ball plastic ball is set in the denitration tower between the denitration nozzle and the denitration absorption liquid cover plate, the hollow sleeve is set under the denitration absorption liquid cover plate and connected to the denitration composite absorption through the denitration compound absorption liquid return pipe liquid storage tank, and the denitrification compound absorption liquid storage tank is connected to the denitrification nozzle through the denitrification circulating slurry pump.
进一步的，所述脱硝复合吸收液喷淋装置还包括脱硝回流管阀门、脱硝复合吸收液流量计、脱硝副产物出口，脱硝回流管阀门安装在脱硝复合吸收液回流管上，脱硝复合吸收液流量计安装在脱硝循环浆液泵与脱硝喷嘴之间，脱硝副产物出口设置在脱硝复合吸收液储液槽底部。Further, the denitrification composite absorption liquid spraying device also includes a denitration return pipe valve, a denitration composite absorption liquid flow meter, and a denitration by-product outlet. The denitration return pipe valve is installed on the denitration composite absorption liquid return pipe. The denitration composite absorption liquid flow rate The meter is installed between the denitrification circulating slurry pump and the denitrification nozzle, and the denitrification by-product outlet is set at the bottom of the denitrification composite absorption liquid storage tank.
进一步的，所述脱硫吸收液喷淋装置包括脱硫塔、脱硫喷嘴、螺旋筛网、脱硫吸收液储液槽、脱硫循环浆液泵，螺旋筛网安装在脱硫塔内位于烟气入口上方的位置，脱硫喷嘴安装在螺旋筛网上方，脱硫喷嘴通过脱硫循环浆液泵连通脱硫吸收液储液槽。Further, the desulfurization absorption liquid spraying device includes a desulfurization tower, a desulfurization nozzle, a spiral screen, a desulfurization absorption liquid storage tank, and a desulfurization circulating slurry pump. The spiral screen is installed in the desulfurization tower above the flue gas inlet, The desulfurization nozzle is installed above the spiral screen, and the desulfurization nozzle is connected to the desulfurization absorption liquid storage tank through the desulfurization circulating slurry pump.
进一步的，所述脱硫吸收液喷淋装置还包括脱硫回流管、脱硫浆液流量计，脱硫回流管接入脱硫塔底部且连通脱硫吸收液储液槽，脱硫回流管上设有脱硫回流管阀门，脱硫浆液流量计安装在脱硫循环浆液泵与脱硫喷嘴之间。Further, the desulfurization absorption liquid spraying device also includes a desulfurization return pipe and a desulfurization slurry flow meter. The desulfurization return pipe is connected to the bottom of the desulfurization tower and connected to the desulfurization absorption liquid storage tank. The desulfurization return pipe is provided with a desulfurization return pipe valve. The desulfurization slurry flow meter is installed between the desulfurization circulating slurry pump and the desulfurization nozzle.
进一步的，所述湍球脱硝段、喷淋泡沫脱硫段之间通过法兰连接。Further, the turbulent ball denitrification section and the spray foam desulfurization section are connected by flanges.
进一步的，所述移动撬装装置为平板车或汽车。Further, the mobile skid-mounted device is a flatbed truck or a car.
本发明的有益效果在于：本发明的油田注汽锅炉移动式撬装烟气脱硫脱硝装置，将脱硫脱硝除尘装置等安装在移动式撬装设备上，可以实现可拆卸、移动等功能，有效降低基建投资。The beneficial effect of the present invention is that: the mobile skid-mounted flue gas desulfurization and denitrification device of the oil field steam injection boiler of the present invention installs the desulfurization, denitrification and dust removal device on the mobile skid-mounted device, which can realize functions such as detachment and movement, and effectively reduce Infrastructure investment.
设备的优点如下：The advantages of the device are as follows:
结构紧凑，节约空间。由于撬装装置采用密集型布置，布置紧凑，可大大的减少占地，这对于占土地较多的油气行业来说，意义重大。Compact structure, saving space. Since the skid-mounted devices are densely arranged and compactly arranged, the land occupation can be greatly reduced, which is of great significance to the oil and gas industry that occupies a large amount of land.
拆迁方便，便于流动。撬装装置具有拆迁的特点，特别适合于油气行业的净化装置，可避免盲目建厂，建设装置等。It is easy to dismantle and move. The skid-mounted device has the characteristics of demolition, and is especially suitable for purification devices in the oil and gas industry, which can avoid blind construction of factories and installations.
室内作业，节约成本。大部分工作在工厂完成，现场安装只需将撬块安装到基础、撬块进出口管线连接以及一些电气仪表的接线工作，大大减少现场工作量和安装时间。Indoor operation, saving cost. Most of the work is done in the factory. On-site installation only needs to install the skid block to the foundation, connect the skid block inlet and outlet pipelines, and connect some electrical instruments, which greatly reduces the on-site workload and installation time.
附图说明Description of drawings
图1为实施例1油田注汽锅炉移动式撬装烟气脱硫脱硝装置的结构示意图。Fig. 1 is a schematic structural diagram of a mobile skid-mounted flue gas desulfurization and denitrification device for an oilfield steam injection boiler in Example 1.
附图标记如下：The reference signs are as follows:
1.烟气入口，2.螺旋筛网，3.脱硫喷嘴，4.脱硫塔，5.脱硫回流管阀门，6.脱硫吸收液储液槽，7.脱硫循环浆液泵，8.脱硫浆液流量计，9.空心套管，10.脱硝塔，11.脱硝吸收液遮盖板，12.脱硝复合吸收液回流管，13.脱硝喷嘴，14脱硝回流管阀门，15.脱硝复合吸收液储液槽，16.脱硝循环浆液泵，17.脱硝复合吸收液流量计，18.螺旋除雾器，19.烟气出口，20.脱硫副产物出口，21.法兰，22.圆形孔板，23.湍球塑料球，24.脱硝副产物出口；1. Flue gas inlet, 2. Spiral screen, 3. Desulfurization nozzle, 4. Desulfurization tower, 5. Desulfurization return pipe valve, 6. Desulfurization absorption liquid storage tank, 7. Desulfurization circulating slurry pump, 8. Desulfurization slurry flow Meter, 9. Hollow casing, 10. Denitration tower, 11. Denitration absorption liquid cover plate, 12. Denitration compound absorption liquid return pipe, 13. Denitration nozzle, 14 Denitration return pipe valve, 15. Denitration compound absorption liquid storage tank , 16. Denitrification circulating slurry pump, 17. Denitrification compound absorption liquid flowmeter, 18. Spiral demister, 19. Flue gas outlet, 20. Desulfurization by-product outlet, 21. Flange, 22. Circular orifice plate, 23 . Turbulent ball plastic ball, 24. Export of denitrification by-products;
101.脱硫脱硝装置，102.移动撬装装置，103.烟气出口段，,104.螺旋除雾段，105.湍球脱硝段，106.喷淋泡沫脱硫段。101. Desulfurization and denitration device, 102. Mobile skid-mounted device, 103. Flue gas outlet section, 104. Spiral defogging section, 105. Turbulent ball denitrification section, 106. Spray foam desulfurization section.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施方式进行说明：The specific embodiment of the present invention is described below in conjunction with accompanying drawing:
如图1所示，一种油田注汽锅炉移动式撬装烟气脱硫脱硝装置，包括脱硫脱硝装置101，脱硫脱硝装置101安装在移动撬装装置102上，脱硫脱硝装置101包括烟气出口段103，除雾段104，湍球脱硝段105，喷淋泡沫脱硫段106，各段在同一塔体上，烟气从塔底进入依次通过喷淋泡沫脱硫段106、湍球脱硝段105、除雾段104和烟气出口段103，喷淋泡沫脱硫段106和湍球脱硝段105之间通过法兰连接，脱硝段105的脱硝吸收液不能进入脱硫段106。As shown in Figure 1, a mobile skid-mounted flue gas desulfurization and denitrification device for an oil field steam injection boiler includes a desulfurization and denitrification device 101, and the desulfurization and denitrification device 101 is installed on a mobile skid-mounted device 102, and the desulfurization and denitrification device 101 includes a flue gas outlet section 103, defogging section 104, turbulent ball denitrification section 105, spray foam desulfurization section 106, each section is on the same tower body, and flue gas enters from the bottom of the tower and passes through spray foam desulfurization section 106, turbulent ball denitrification section 105, The fog section 104 and the flue gas outlet section 103, the spray foam desulfurization section 106 and the turbulent ball denitration section 105 are connected by flanges, and the denitration absorption liquid in the denitration section 105 cannot enter the desulfurization section 106.
除尘脱硫脱硝装置，其中的喷淋泡沫脱硫段106包括脱硫塔4，设置螺旋筛网2，脱硫喷嘴3，烟气从烟气入口1进入，与从脱硫喷嘴3喷淋出的脱硫吸收液完成喷淋烟气脱硫，脱硫副产物从脱硫副产物出口20排除。喷淋泡沫脱硫段106的脱硫液循环系统包括脱硫浆液流量计8、脱硫循环浆液泵7、脱硫回流管阀门5、脱硫吸收液储液槽6。Dust removal, desulfurization and denitrification device, wherein the spray foam desulfurization section 106 includes a desulfurization tower 4, a spiral screen 2, a desulfurization nozzle 3, the flue gas enters from the flue gas inlet 1, and is completed with the desulfurization absorption liquid sprayed from the desulfurization nozzle 3 Flue gas desulfurization is sprayed, and desulfurization by-products are discharged from the desulfurization by-product outlet 20 . The desulfurization liquid circulation system of the spray foam desulfurization section 106 includes a desulfurization slurry flow meter 8 , a desulfurization circulating slurry pump 7 , a desulfurization return pipe valve 5 , and a desulfurization absorption liquid storage tank 6 .
除尘脱硫脱硝装置，其中的湍球脱硝段105包括脱硝塔10，设置空心套管9，脱硝吸收液遮盖板11，脱硝吸收液回流管12，脱硝吸收液储液槽15，脱硝循环浆液泵16，脱硝喷嘴13，空心套管9底部与法兰21密封连接，空心套管9顶部与脱硝吸收液遮盖板11是通过圆形孔板22连接。脱硝吸收液循环管路上还可设置脱硝回流管阀门14、脱硝复合吸收液流量计17。Dust removal, desulfurization and denitrification device, wherein the turbulent ball denitration section 105 includes a denitration tower 10, a hollow sleeve 9, a denitration absorption liquid cover plate 11, a denitration absorption liquid return pipe 12, a denitration absorption liquid storage tank 15, and a denitration circulating slurry pump 16 , the denitrification nozzle 13, the bottom of the hollow sleeve 9 is in sealing connection with the flange 21, and the top of the hollow sleeve 9 is connected with the cover plate 11 of the denitrification absorption liquid through a circular orifice plate 22. A denitrification return pipe valve 14 and a denitrification compound absorption liquid flow meter 17 may also be installed on the denitrification absorption liquid circulation pipeline.
烟气从烟气入口1进入，与从脱硫喷嘴3喷淋出的脱硫吸收液完成喷淋烟气脱硫，脱硫副产物从出口20排除，脱硫后的烟气经法兰21、套管9，然后从圆形孔板22侧边流出与脱硝喷嘴13喷出的脱硝吸收液完成喷淋烟气脱硝，脱硝吸收液通过脱硝复合吸收液回流管12进入脱硝复合吸收液储液槽15经脱硝循环浆液泵16继续喷淋脱硝，脱硝副产物溶液从脱硝副产物出口24排除，脱硫脱硝后的烟气经除雾器18从烟气出口19排出。The flue gas enters from the flue gas inlet 1, and sprays the flue gas desulfurization with the desulfurization absorption liquid sprayed out from the desulfurization nozzle 3, and the desulfurization by-products are discharged from the outlet 20, and the desulfurized flue gas passes through the flange 21 and the casing 9, Then the denitrification absorption liquid flowing out from the side of the circular orifice plate 22 and sprayed by the denitrification nozzle 13 completes the denitrification of the spray flue gas, and the denitration absorption liquid enters the denitration composite absorption liquid storage tank 15 through the denitration composite absorption liquid return pipe 12 and undergoes a denitration cycle. The slurry pump 16 continues to spray denitrification, the denitrification by-product solution is discharged from the denitrification by-product outlet 24, and the flue gas after desulfurization and denitrification is discharged from the flue gas outlet 19 through the demister 18.
采用本发明装置处理烟气量为50000m3/h，粉尘浓度为800mg/m3，SO2入口浓度为1200mg/m3，NO浓度为650mg/m3的燃煤烟气，净化处理后粉尘去除率为97.5％，SO2去除率92.8％，NO去除率85.6％，相比同类型的脱硫脱硝装置，本发明发明装置占地面积减小30％。The device of the present invention is used to treat coal-fired flue gas with a flue gas volume of 50000m3 /h, a dust concentration of 800mg/ m3 , an SO2 inlet concentration of 1200mg/ m3 , and a NO concentration of 650mg/ m3 , and the dust is removed after purification The removal rate of SO2 is 97.5%, the removal rate of SO 2 is 92.8%, and the removal rate of NO is 85.6%. Compared with the same type of desulfurization and denitrification devices, the area occupied by the device of the present invention is reduced by 30%.
本发明提供的油田注汽锅炉移动式撬装烟气脱硫脱硝装置，有效解决传统固定脱硫脱硝装置无法随钻井平台移动而移动造成的投资成本高等问题，本发明的装置占地面积相对减小30％，能够随钻井平台一起移动。The mobile skid-mounted flue gas desulfurization and denitrification device for oil field steam injection boilers provided by the invention effectively solves the problem of high investment costs caused by the traditional fixed desulfurization and denitrification devices being unable to move with the drilling platform. The area occupied by the device of the invention is relatively reduced by 30 %, able to move with the rig.
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above description is a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.
Claims (8)
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| US20100251897A1 (en) * | 2009-04-01 | 2010-10-07 | Glen Wind | Modular Amine Plant |
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| CN206262346U (en) * | 2016-07-12 | 2017-06-20 | 成都信息工程大学 | A kind of commercial industry boiler composite absorption liquid dust-removal and desulfurizing denitrification integrated device |
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Application publication date: 20180622 |