CN109647117A - A kind of flue gas refined dedusting device with dehydrating function - Google Patents

A kind of flue gas refined dedusting device with dehydrating function Download PDF

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Publication number
CN109647117A
CN109647117A CN201910142884.7A CN201910142884A CN109647117A CN 109647117 A CN109647117 A CN 109647117A CN 201910142884 A CN201910142884 A CN 201910142884A CN 109647117 A CN109647117 A CN 109647117A
Authority
CN
China
Prior art keywords
flue gas
electric field
shell
dehydrator
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910142884.7A
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Chinese (zh)
Inventor
李丁丁
冯建华
冯凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jiajie Hanhua Mechanical And Electrical Equipment Co Ltd
Beijing Heyi Beike Environmental Protection Technology Co Ltd
Original Assignee
Beijing Jiajie Hanhua Mechanical And Electrical Equipment Co Ltd
Beijing Heyi Beike Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Jiajie Hanhua Mechanical And Electrical Equipment Co Ltd, Beijing Heyi Beike Environmental Protection Technology Co Ltd filed Critical Beijing Jiajie Hanhua Mechanical And Electrical Equipment Co Ltd
Priority to CN201910142884.7A priority Critical patent/CN109647117A/en
Publication of CN109647117A publication Critical patent/CN109647117A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/26Drying gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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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)
  • Electrostatic Separation (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

This application discloses a kind of flue gas refined dedusting device with dehydrating function.The flue gas refined dedusting device with dehydrating function includes shell, the electric field dust removal unit for carrying out the dehydrator of initial gross separation to the dust in flue gas and carrying out secondary separation to the dust in flue gas, smoke inlet and exhanst gas outlet are offered on the shell, the dehydrator and the electric field dust removal unit are arranged at the inside of the shell, the air inlet of the dehydrator is connect with the smoke inlet, and the electric field dust removal unit is between the dehydrator and the exhanst gas outlet.That present application addresses fume dust remover dust removing effects is poor, the technical issues of taking up a large area.

Description

A kind of flue gas refined dedusting device with dehydrating function
Technical field
This application involves flue gases purification fields, fill in particular to a kind of flue gas refined dedusting with dehydrating function It sets.
Background technique
Deduster is the equipment that dust is separated from flue gas, and deduster is by filter screen flue gas in the prior art It is separated with dust, and this kind of dedusting structure can only separate large dust particle with flue gas, little particle dust can be with flue gas one It rises and discharges, not only dust removing effects are poor, but also can cause environmental pollution.In addition, can be simultaneously in existing part dust-extraction unit Dehydrator and deduster are set, respectively in flue gas water vapour and solid dust particle separated and removed, but due to de- It is excessive that the volume of hydrophone and deduster will lead to dust-extraction unit occupied area, investment and higher operating costs.
Fume dust remover dust removing effects are poor in the related technology, take up a large area aiming at the problem that, at present not yet propose have The solution of effect.
Summary of the invention
The main purpose of the application is to provide a kind of flue gas refined dedusting device with dehydrating function, to solve flue gas ash removal Device dust removing effects are poor, the problem of taking up a large area.
To achieve the goals above, this application provides a kind of flue gas refined dedusting device with dehydrating function.
According to the flue gas refined dedusting device with dehydrating function of the application, comprising: shell carries out just the dust in flue gas Isolated dehydrator and the electric field dust removal unit to the dust progress secondary separation in flue gas are walked, flue gas is offered on the shell and enters Mouthful and exhanst gas outlet, the dehydrator and the electric field dust removal unit be arranged at the inside of the shell, the dehydrator into Port is connect with the smoke inlet, and the electric field dust removal unit is between the dehydrator and the exhanst gas outlet.
Further, the shell is internally provided with the water jet humidified to flue gas, and the water jet is located at institute State the top of dehydrator.
Further, the water jet includes water-supply-pipe and multiple hydraulic spray nozzles, the water-supply-pipe and external water supply device Connection, the multiple hydraulic spray nozzle is uniformly distributed on the water-supply-pipe, and the multiple hydraulic spray nozzle is directed at the dehydrator.
Further, the shell is internally provided with the water fender separated to the water vapour in flue gas, the gear Water plate is provided on the water fender between the water jet and the electric field dust removal unit and passes through for flue gas and steam to water Several ventholes that vapour is filtered.
Further, the electric field dust removal unit include the dust in flue gas is generated different adsorption capacities level-one electric field and Secondary electric field portion, the secondary electric field portion are located at the top of the level-one electric field, and the electric field strength in the secondary electric field portion is big In the electric field strength of the level-one electric field.
Further, the top in the level-one electric field and the secondary electric field portion is respectively arranged with the yin for generating ion wind The lower part in pole plate, the level-one electric field and the secondary electric field portion is respectively arranged with anode plate corresponding with the cathode plate.
Further, it is provided with multiple overhauls windows on the outer wall of the shell, adds respectively in the multiple overhauls window It is stamped cover board, cover board is rotatably connect by shaft with the shell, the cover board and the cage connection state, the lid It is fixed between plate and the shell by multiple screws.
Further, the shell is the cylinder-like structure being arranged along the vertical direction, and the smoke inlet is provided with described On the lower sides of shell, the exhanst gas outlet is offered at the top of the shell.
Further, the bottom of the shell is provided with sewage draining exit.
Further, the dehydrator is compound baffle dehydrator.
In the embodiment of the present application, using setting dehydrator and electricity between the smoke inlet and exhanst gas outlet of dust-extraction unit The mode of field dust removal unit is first removed the water vapour in the flue gas for entering interior of shell by dehydrator, thus to water Steam and the dust being adsorbed on water vapour drop are removed, then are divided by electric field dust removal unit the dust in flue gas From, achieved the purpose that improve dust removing effects, in addition, the dehydrator of the application and electric field dust removal unit are arranged at the interior of shell Portion, greatly reduces the volume of dust-extraction unit, and then solves the technology that fume dust remover dust removing effects are poor, take up a large area and ask Topic.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the flue gas refined dedusting device with dehydrating function of the present invention.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside", " in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the present invention and embodiment Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example, It may be a fixed connection, be detachably connected or monolithic construction;It can be mechanical connection, or electrical connection;It can be direct phase It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component. For those of ordinary skills, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, this application involves a kind of flue gas refined dedusting device with dehydrating function, the flue gas with dehydrating function Refined dedusting device includes shell 1, dehydrator 2 and electric field dust removal unit, and dehydrator 2 is for tentatively dividing the dust in flue gas From electric field dust removal unit is used to carry out the dust in flue gas secondary separation, and shell 1 is the cylindric knot being arranged along the vertical direction Structure offers smoke inlet 101 on the lower sides of shell 1, and the top center position of shell 1 offers exhanst gas outlet 102, cigarette Gas entrance 101 is connect with external air inlet pipeline, and exhanst gas outlet 102 is connect with external gas exhaust piping.Dehydrator 2 and electric field remove Dirt portion is arranged at the inside of shell 1, and the air inlet of dehydrator 2 is connect with smoke inlet 101, and dehydrator 2 is arranged in shell 1 Bottom position, the position between the top of dehydrator 2 and exhanst gas outlet 102 is arranged in electric field dust removal unit.The application is in dedusting Dehydrator 2 and electric field dust removal unit are set between the smoke inlet 101 and exhanst gas outlet 102 of device, it is first into the flue gas in shell 1 First pass through dehydrator 2 and remove water vapour contained therein, thus to water vapour and the dust being adsorbed on water vapour drop into Row removal, then the dust in flue gas is separated by electric field dust removal unit, dust removing effects are greatly improved, in addition, the application Dehydrator 2 and electric field dust removal unit are arranged at the inside of shell 1, greatly reduce the volume of dust-extraction unit, and occupied area is small, is suitable for The use of a variety of flue gas ash removal environment.
In some embodiments of the present invention, dehydrator 2 can be but be not limited to compound baffle dehydrator.
As shown in Figure 1, shell 1 is internally provided with the water jet humidified to flue gas, water jet is located at dehydrator 2 Top.During being passed through flue gas, spray process is carried out to flue gas by water jet, it can be by the water mist of spray in flue gas Dust adsorbed, to separated to the dust being adsorbed on water droplet by dehydrator 2, drop can also be played to flue gas The effect of temperature.
Specifically, water-supply-pipe 3 is set in the horizontal direction as shown in Figure 1, water jet includes water-supply-pipe 3 and multiple hydraulic spray nozzles 4 It sets in the surface of dehydrator 2, water-supply-pipe 3 is connect with external water supply device, and multiple hydraulic spray nozzles 4 are uniformly distributed in water-supply-pipe 3 On, multiple hydraulic spray nozzles 4 are directed at dehydrator 2, guarantee the abundant wetting to flue gas, improve dust removing effects.
As shown in Figure 1, the bottom middle position of shell 1 is provided with sewage draining exit 103, sewage draining exit 103 is located at smoke inlet 101 Lower section, by sewage draining exit 103 can to after separation dust and liquid carry out concentrating external discharge.
In some embodiments of the present invention, sewage draining exit 103 can be but be not limited to inverted conical structure.
As shown in Figure 1, shell 1 is internally provided with the water fender 5 separated to the water vapour in flue gas, water fender 5 Between water jet and electric field dust removal unit, passes through for flue gas if being provided on water fender 5 and water vapour is filtered Dry venthole, the flue gas for guaranteeing to enter electric field dust removal unit is sufficiently dry flue gas, avoids water vapour to the dust removing effects of electric field It impacts.
Specifically, as shown in Figure 1, electric field dust removal unit includes the level-one electric field for generating different adsorption capacities to the dust in flue gas Portion 6 and secondary electric field portion 7, secondary electric field portion 7 are located at the top of level-one electric field 6, and the electric field strength in secondary electric field portion 7 is greater than one The electric field strength of grade electric field 6.Bulky grain powder in flue gas and a small amount of little particle dust are adsorbed by level-one electric field 6, Little particle dust remaining in flue gas is being adsorbed by secondary electric field portion 7, is guaranteeing to carry out the dust in flue gas thorough Separation, improve dust removing effects
In some embodiments of the present invention, the top in level-one electric field 6 and secondary electric field portion 7 is respectively arranged with generation ion The lower part in the cathode plate (not shown) of wind, level-one electric field 6 and the secondary electric field portion 7 is respectively arranged with corresponding with cathode plate Anode plate (not shown).Dust in flue gas is because itself with charged, can move to anode with the ion wind that cathode plate generates On plate, dust is collected by anode plate.Pass through the dust movement that the ion wind of cathode plate generation is electrically charged, dust movement Speed is up to 2m/s or more, high dust collection efficiency, good dedusting effect.
As shown in Figure 1, being provided with multiple overhauls windows 8 on the outer wall of shell 1, covering respectively in multiple overhauls windows 8 has Cover board 9, cover board 9 rotatably are connect by shaft 10 with shell 1, cover board 9 and 1 connection status of shell, cover board 9 and shell 1 it Between fixed by multiple screws.By overhauls window 8 convenient for the internal part of shell 1 is replaced and repaired, guarantee dedusting Device can be used for a long time.
Specifically, multiple overhauls windows 8 are located at the top of level-one electric field 6 and the top in secondary electric field portion 7.
The working principle of the device are as follows: flue gas from smoke inlet 101 enter shell 1 in, in compound baffle dehydrator 2 into Row preliminary dust removal, flue gas rise in the internal helicoid of shell 1 and collide with the inner wall of shell 1, and a part is adsorbed with dust Drop slid along the inner wall of shell 1, another part flue gas ramps up under the action of ascending air, kept off in uphill process Water plate 5 separates, and flue gas therein continues to rise, and isolated water droplet is back to the bottom of shell 1, and right by sewage draining exit 103 Outer discharge.Continue to rise by the flue gas of water fender 5, successively further completes cigarette by level-one electric field 6 and secondary electric field portion 7 The trapping of dust in gas, realizes the refined dedusting of flue gas.
It can be seen from the above description that the present invention realizes following technical effect:
Dehydrator 2 and electric field dust removal unit are set between the smoke inlet 101 and exhanst gas outlet 102 of dust-extraction unit, entered Flue gas in shell 1 passes through dehydrator 2 first and removes water vapour contained therein, to water vapour and be adsorbed on water vapour Dust on drop is removed, then is separated by electric field dust removal unit to the dust in flue gas, and dust removing effects are greatly improved, In addition, the dehydrator 2 and electric field dust removal unit of the application are arranged at the inside of shell 1, the volume of dust-extraction unit is greatly reduced, is accounted for Ground area is small, the use suitable for a variety of flue gas ash removal environment.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of flue gas refined dedusting device with dehydrating function characterized by comprising shell (1), to the dust in flue gas into The dehydrator (2) of row initial gross separation and the electric field dust removal unit that secondary separation is carried out to the dust in flue gas, are opened on the shell (1) Equipped with smoke inlet (101) and exhanst gas outlet (102), the dehydrator (2) and the electric field dust removal unit are arranged at outside described The air inlet of the inside of shell (1), the dehydrator (2) is connect with the smoke inlet (101), and the electric field dust removal unit is located at institute It states between dehydrator (2) and the exhanst gas outlet (102).
2. the flue gas refined dedusting device according to claim 1 with dehydrating function, which is characterized in that the shell (1) It is internally provided with the water jet humidified to flue gas, the water jet is located at the top of the dehydrator (2).
3. the flue gas refined dedusting device according to claim 2 with dehydrating function, which is characterized in that the water jet includes Water-supply-pipe (3) and multiple hydraulic spray nozzles (4), the water-supply-pipe (3) connect with external water supply device, the multiple hydraulic spray nozzle (4) uniformly distributed on the water-supply-pipe (3), the multiple hydraulic spray nozzle (4) is directed at the dehydrator (2).
4. the flue gas refined dedusting device according to claim 2 with dehydrating function, which is characterized in that the shell (1) It is internally provided with the water fender (5) separated to the water vapour in flue gas, the water fender (5) is located at the water jet and institute It states between electric field dust removal unit, is provided on the water fender (5) and passes through for flue gas and water vapour is filtered several logical Stomata.
5. the flue gas refined dedusting device according to claim 1 with dehydrating function, which is characterized in that the electric field dust removal unit Level-one electric field (6) and secondary electric field portion (7) including generating different adsorption capacities to the dust in flue gas, the secondary electric field portion (7) it is located at the top of the level-one electric field (6), the electric field strength of the secondary electric field portion (7) is greater than the level-one electric field (6) electric field strength.
6. the flue gas refined dedusting device according to claim 5 with dehydrating function, which is characterized in that the level-one electric field (6) and the top in the secondary electric field portion (7) be respectively arranged with generate ion wind cathode plate, the level-one electric field (6) and The lower part of the secondary electric field portion (7) is respectively arranged with anode plate corresponding with the cathode plate.
7. the flue gas refined dedusting device according to claim 5 with dehydrating function, which is characterized in that the shell (1) It is provided on outer wall multiple overhauls windows (8), covering respectively on the multiple overhauls window (8) has cover board (9), and cover board (9) is logical It crosses shaft (10) rotatably to connect with the shell (1), the cover board (9) and the shell (1) connection status, the cover board (9) it is fixed between the shell (1) by multiple screws.
8. the flue gas refined dedusting device according to claim 1 with dehydrating function, which is characterized in that the shell (1) is The cylinder-like structure being arranged along the vertical direction, the smoke inlet (101) are provided on the lower sides of the shell (1), institute Exhanst gas outlet (102) is stated to offer at the top of the shell (1).
9. the flue gas refined dedusting device according to claim 8 with dehydrating function, which is characterized in that the shell (1) Bottom is provided with sewage draining exit (103).
10. the flue gas refined dedusting device according to claim 1 with dehydrating function, which is characterized in that the dehydrator (2) For compound baffle dehydrator.
CN201910142884.7A 2019-02-26 2019-02-26 A kind of flue gas refined dedusting device with dehydrating function Pending CN109647117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910142884.7A CN109647117A (en) 2019-02-26 2019-02-26 A kind of flue gas refined dedusting device with dehydrating function

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Application Number Priority Date Filing Date Title
CN201910142884.7A CN109647117A (en) 2019-02-26 2019-02-26 A kind of flue gas refined dedusting device with dehydrating function

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219543A (en) * 1990-12-08 1993-06-15 Metallgesellschaft Aktiengesellschaft Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases
CN101385934A (en) * 2008-10-17 2009-03-18 四川兆兴环保科技发展有限公司 Dust collection method of lime kiln gas in combinative alkali production and special device thereof
CN201832532U (en) * 2010-11-05 2011-05-18 北京博鹏北科科技有限公司 Dust-removing dehydrating device for purifying sintering flue gas in annular sintering machine
CN103128001A (en) * 2012-11-28 2013-06-05 清华大学 Dry-wet combination type electrostatic dust extractor and dust extracting method
CN205903984U (en) * 2016-08-15 2017-01-25 中冶京诚工程技术有限公司 Wet-type electrostatic precipitator with flue gas dehydration function
CN206996173U (en) * 2017-07-07 2018-02-13 环境保护部华南环境科学研究所 A kind of waste gas multi-pollutant multi- scenarios method synergistic purification device
CN208244957U (en) * 2018-06-28 2018-12-18 国家能源投资集团有限责任公司 Electrical dust collector device
WO2019023871A1 (en) * 2017-07-31 2019-02-07 北京中能诺泰节能环保技术有限责任公司 Dedusting and demisting apparatus for wet desulfurization, and electromechanical coupling wet dedusting and demisting apparatus
CN209630888U (en) * 2019-02-26 2019-11-15 北京合壹北科环保科技有限公司 A kind of flue gas refined dedusting device with dehydrating function

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219543A (en) * 1990-12-08 1993-06-15 Metallgesellschaft Aktiengesellschaft Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases
CN101385934A (en) * 2008-10-17 2009-03-18 四川兆兴环保科技发展有限公司 Dust collection method of lime kiln gas in combinative alkali production and special device thereof
CN201832532U (en) * 2010-11-05 2011-05-18 北京博鹏北科科技有限公司 Dust-removing dehydrating device for purifying sintering flue gas in annular sintering machine
CN103128001A (en) * 2012-11-28 2013-06-05 清华大学 Dry-wet combination type electrostatic dust extractor and dust extracting method
CN205903984U (en) * 2016-08-15 2017-01-25 中冶京诚工程技术有限公司 Wet-type electrostatic precipitator with flue gas dehydration function
CN206996173U (en) * 2017-07-07 2018-02-13 环境保护部华南环境科学研究所 A kind of waste gas multi-pollutant multi- scenarios method synergistic purification device
WO2019023871A1 (en) * 2017-07-31 2019-02-07 北京中能诺泰节能环保技术有限责任公司 Dedusting and demisting apparatus for wet desulfurization, and electromechanical coupling wet dedusting and demisting apparatus
CN208244957U (en) * 2018-06-28 2018-12-18 国家能源投资集团有限责任公司 Electrical dust collector device
CN209630888U (en) * 2019-02-26 2019-11-15 北京合壹北科环保科技有限公司 A kind of flue gas refined dedusting device with dehydrating function

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