CN107126802A

CN107126802A - Adjustable multi-level gas filter and the gas filtration method for burner

Info

Publication number: CN107126802A
Application number: CN201710107055.6A
Authority: CN
Inventors: 肖江东; 李思杨; 杜雪梅; 方炜健; 肖涵; 朱凯
Original assignee: SHANGHAI NUOTEFEIBO COMBUSTION EQUIPMENT CO Ltd
Current assignee: SHANGHAI NUOTEFEIBO COMBUSTION EQUIPMENT CO Ltd
Priority date: 2016-02-26
Filing date: 2017-02-27
Publication date: 2017-09-05

Abstract

The invention discloses a kind of adjustable multi-level gas filter and filter method, first metallic filter is placed on the air inlet of Straight filter housings, followed by a blast volume controller；Second metallic filter is placed on the gas suction inlet of flue gas inlet pipe connection, roughly to filter flue gas；One air swirl filtering module and atomized water module are placed on the center section in Straight housing；Rough filtered gas is integrated with the atomized water sprayed from the atomized water module, then the centrifugal action by being produced by air swirl filtering module and fan power collective effect, larger material and mixtures of impurities are separated from gas, and is discharged by being seated in the discharge pipe below housing；Finally, gas will carry out third time filtering by the 3rd metallic filter.The present invention not only can also control air-flow with high efficiency filter；Compared with other filters that can reach identical filtering requirement, resistance of the present invention is small more than ten times.

Description

Adjustable multi-level gas filter and the gas filtration method for burner

Cross-reference to related applications

The priority for the U.S. Provisional Patent Application No. 62304937 that the application means suitable was submitted on March 7th, 2016 The Chinese Patent Application No. 201620144595.2 submitted for 26th for 2 months in 2016 with the co-inventor by the application it is preferential Power, is incorporated herein in this as reference.

Technical field

The present invention relates to a kind of pneumatic filter and filter method for burner, more particularly to a kind of adjustable multistage Pneumatic filter and the gas filtration method for burner, if for the combustion including Metal Fibre Combustion burner The multistage mixed type air/gas filter of the adjustable high accuracy of the air/gas filter of burner design, especially intake.

Background technology

Metal fiber surface combustor is a burner premixed entirely, and it can make combustion gas and the sky of substantially uniformity mixing Gas mixture flows to burner combustion head and uses a kind of special metallic fiber material as its burning surface.Because metal is fine The uniform breathability of porous web and the uniform premix of gas and air are tieed up, is burnt highly stable, temperature is equally distributed, is not had Localized hyperthermia, so as to inhibit NOx generation.Premix provides enough air and supplied, therefore CO discharges are relatively low, is a kind of The combustion system of environmental protection.Therefore, with regard to current combustion technology, Metal Fibre Combustion burner is a kind of prioritizing selection, quilt It is widely used in different fields.

In order to avoid metallic fiber combustion head blocking and ensure pre-mixed gas ventilation, premixed gas enter burn Before head, it is necessary to pass through secondary filter, to remove impurity and dust.Currently known filter uses filter cotton or metal filtration The filter that net is fabricated to.Its effect and structure are single.Identical volumes of gas is filtered, if requiring that filtering accuracy is very high, Its air/gas flow velocity can correspondingly decline.The filter used in combustion field, required filtering air/gas volume is very Greatly, easily occur Severe blockage when in use, produce very big flow of air/gas resistance, it is necessary to bigger suction force, power consumption Amount also can accordingly increase.Especially when using flue gas and heat recycling, filter must use the material more resistant to heat, and entrance Air/gas volume should be adjustable.This will need whole filtering material often to change.From practicality, economy and From the point of view of security, design improved air/gas filter for burner and be very important.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of adjustable multi-level gas filter and for burner Gas filtration method, is suitable for Metal Fibre Combustion burner, it is easy to adjust input air or gas, not only can be efficient Filtering, can also effectively control air-flow, greatly improve efficiency of combustion and control accuracy.

The present invention is to provide a kind of adjustable multi-level gas filtering to solve the technical scheme that above-mentioned technical problem is used Device, can run together with least one external burner and at least one the external gas being coupled suction blowing apparatus, to form stream Air-flow through the pneumatic filter, wherein, the pneumatic filter includes：A 1a) generally tubular shape housing, with an XYZ Cartesian coordinate system is expressed, and X-direction represents the direction that pipeline axle center extends with pipeline, YZ planes then represent the transversal of pipeline Face；The housing has an air inlet, one give external burner gas transmission gas outlet, and one be used to flue gas be returned from outside Go back to the flue gas recirculation end of pneumatic filter；1b) several mesh screen types set along gas overall flow direction being coupled Blowing apparatus maintenance overall gas pressure gradient is inhaled by external gas and is produced in passive type filter, the gas overall flow direction It is raw；And 1c) at least one needs the active filter of power, the active filter is along gas overall flow direction It is arranged between certain two passive type filter, the air of the active filter power from an outside is dynamically inhaled or blown Power and the hydraulic power of an outside, are entered in pneumatic filter with separating and discharging via air inlet and flue gas recirculation end Impurity particle in gas.

Further, the active filter includes：A 2a) gas turbulator, sets along gas overall flow direction Put the downstream direction at air inlet and flue gas recirculation end and be spaced a distance, gas turbulator upstream top is provided with As the baffle plate of capping, a table plane of the baffle plate is perpendicular to gas overall flow direction；The gas turbulator is used for Mixing and conversion：I) any form of water, including atomization water curtain and water smoke；Ii) from inlet port leaked-in air/gas； Iii) the flue gas flowed into from flue gas recirculation end；And iv) it is all flowed in housing include the mixing of material described above Thing；The gas turbulator produces one includes gas in YZ planes, the eddy flow of the mixture of flue gas and atomized water, so that handle Impurity is separated from gas cyclone, and the high-speed rotational in YZ planes so produced is while also along gas overall flow direction Migration flowing；A 2b) hydraulic power water atomization component, its power is provided by external water pressure, the hydraulic power water atomization group Part is positioned close at the capping of gas turbulator, and any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted into and gas Water curtain or water smoke that body overall flow direction is sprayed into 90 degree to 180 degree angle, to cover the complete cross section of a certain piece housing； 2c) there are some wastes, the nethermost part of shell is arranged on, for discharging impurity；2d) one is in truncated cone or flat ring The carrying fixing device of shape, the outward flange opening of the carrying fixing device is more than inward flange opening：2d1) carrying is fixed The outward flange of device is connected with inner walls, and joint is fluid-tight；2d2) inward flange of the carrying fixing device with The outward flange of gas turbulator downstream end is connected, and joint is fluid-tight；And 2e) a current protective ring, with holding Loaded securement device is maintained a certain distance, in incomplete circular cone shape, its 2e1) less opening opens with tail end Short tube one end or opening be connected, its joint is fluid-tight；2e2) larger opening is with being located at shell downstream tail end Gas outlet is connected with the interface of outer casing inner wall, and joint is fluid-tight；The institute along active filter inwall or on inwall Long-pending water will not be flowed out or be spilt by gas outlet, but can be discharged by mudhole.

Further, the active filter includes：A 2a) gas turbulator, sets along gas overall flow direction Put the downstream direction at air inlet and flue gas recirculation end and be spaced a distance, gas turbulator upstream top is provided with As the baffle plate of capping, a table plane of the baffle plate is perpendicular to gas overall flow direction；The gas turbulator is used for Mixing and conversion：I) any form of water, including atomization water curtain and water smoke；Ii) from inlet port leaked-in air/gas； Iii) the flue gas flowed into from flue gas recirculation end；And iv) it is all flowed in housing include the mixing of material described above Thing；The gas turbulator produces one includes gas in YZ planes, the eddy flow of the mixture of flue gas and atomized water, so that handle Impurity is separated from gas cyclone, and the high-speed rotational in YZ planes so produced is while also along gas overall flow direction Migration flowing；A 2b) hydraulic power water atomization component, its power is provided by external water pressure, the hydraulic power water atomization group Part is positioned close at the capping of gas turbulator, and any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted into and gas Water curtain or water smoke that body overall flow direction is sprayed into 90 degree to 180 degree angle, to cover the complete cross section of a certain piece housing； 2c) there are some wastes, the nethermost part of shell is arranged on, for discharging impurity；2d) one is in truncated cone or flat ring The carrying fixing device of shape, the outward flange opening of the carrying fixing device is more than inward flange opening：2d1) carrying is fixed The outward flange of device is connected with inner walls, and joint is fluid-tight；2d2) inward flange of the carrying fixing device with The outward flange of gas turbulator downstream end is connected, and joint is fluid-tight.

Further, the hydraulic power water atomization component includes：4a) one or more hydraulic spray nozzles, installed in baffle plate Center or its peripheral part, and the pressurised stream of outside offer is provided, power is thus produced to spray and gas overall flow Direction is into 90 degree to 180 degree angle and covers the atomised spray of whole housing section；4b) at least one water supply pipeline, passes through pipe Shape shape housing connects above-mentioned hydraulic spray nozzle and external water stream pressue device.

Further, the gas turbulator includes the system being at least made up of fin more than one or multiple-blade wheel, along pipe Shape axle is set gradually：5a) diameter of each many fin or multiple-blade wheels is both less than diameter of the housing；It includes arranging along its side face , the stream guide fins of some protrusions guide all stream materials passed through, including atomized water, sky for contacting and orienting Gas, flue gas or their mixture；In addition 5b) each stream guide fins of many fin or multiple-blade wheels have shape alone Shape, size and direction, so that the system of multiple many fins or multiple-blade wheel composition is as a global facility, will with air force The atomized water of inflow, the air or gas that enter from air inlet and the flue gas entered from flue gas recirculation end, mixing and conversion As gas cyclone.

Further, the system that the gas turbulator includes multiple many fin or multiple-blade wheel compositions, each pair is adjacent Stream guide fins between many fin or multiple-blade wheels are arranged at an angle on Y-Z plane.

Further, the air inlet includes adjustable damper, positioned at first passive type filter Downstream, for adjust within the specific limits from there through air-flow speed, flow and direction.

Further, the flue gas includes at circulation end：Tube or pipeline, the Part I of the tube or pipeline Positioned at the outside of tubular shape housing, its one end is connected with housing, and the other end is made as may be connected to the end of tube or pipeline Mouthful to convey flue gas；One opening groove for intersecting with the tube or pipe section, for placing at least one passive type mistake Filter；The Part II of the tube or pipeline is located in housing, and housing is extended to from the tube or pipeline of Part I Interior downstream direction, causes at least a portion flue gas without many fins or multiple-blade with appropriate shape and certain length The system that wheel upstream space just flows directly into many fins or multiple-blade wheel composition with air or gas mixing.

Further, each air inlet and gas outlet are designed with one or more to place passive type filter Open slot.

Further, the passive type filter includes one or more layers meshed filter material, the meshed filter material Be designed as it is interchangeable, it is moveable or cleanable, and supported by one or more layers fixed bearing web plate.

Further, the external burner is Metal Fibre Combustion burner.

Further, the material of the multi-level gas filter is heat resistance, corrosion-free or resistant material.

The present invention also provides the gas filtration method for burner for solution above-mentioned technical problem, passes through passive filter Gas is filtered with active filter to be used to be input to external burner, wherein, comprise the following steps：

One tubular shape housing 13a) is provided, expressed with XYZ tables cartesian coordinate system, X-direction represents pipeline axle center with pipe The direction of road extension, YZ planes then represent the cross section of pipeline；The housing has an air inlet, and one straight to external burner Connect or the gas outlet of gas transmission, an and flue gas recirculation end for being used to flue gas is returned to from outside housing indirectly；

If 13b) providing the mesh screen type passive type filter of dry-cured meat, edge is inhaled the suction of blowing apparatus generation by external gas or blown The gas overall flow direction of power formation, to maintain overall air or gas pressure jump；And

13c) provide at least one active filter between the passive type filter, its power is by outside Air force is blown or suction and the hydraulic power of an outside are provided, to separate and discharge from flue gas recirculation end and to enter simultaneously The impurity that gas port comes.

Further, the method for described separation and discharge impurity includes：

One gas turbulator 14a) is provided, air inlet and flue gas recirculation end are arranged on along air-flow overall flow direction Downstream direction is simultaneously spaced a distance, and gas turbulator upstream top is provided with the baffle plate as capping, the baffle plate One table plane is perpendicular to gas overall flow direction；The gas turbulator is used to mix and convert：

I. any form of water, including atomization water curtain and water smoke；

II. from AGIP leaked-in airs or gas；

III. the flue gas flowed into from FGRP；And

IV. what is flowed in housing includes the mixture of material described above；

The gas turbulator produces one includes air or gas in YZ planes, the mixture of flue gas and atomized water Eddy flow so that being separated in foreign substances from air or gas cyclone, the high-speed rotational in YZ planes that so produces while Migrate and flow along GFD；

A hydraulic power water atomization component 14b) is provided, its power is provided by external water pressure, be positioned close to gas rotation Flow at device capping, any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted into gas overall flow direction into 90 degree The water curtain or water smoke sprayed to 180 degree angle, to cover the complete cross section of a certain piece housing；

Some wastes 14c) are provided, the nethermost part of shell are arranged on, for discharging impurity.

One 14d) is provided in truncated cone or the carrying fixing device of flat, annular, the outward flange of the carrying fixing device is opened Mouth is more than inward flange opening；

14d1) outward flange of the carrying fixing device is connected with inner walls, and joint is fluid-tight；

14d2) inward flange of the carrying fixing device is connected with the outward flange of gas turbulator downstream end, and engagement Place is fluid-tight；And

One current protective ring 14e) is provided, maintained a certain distance with carrying fixing device, in the incomplete truncated cone Shape, its

14e1) one end for the short tube that less opening is opened with a tail end or opening are connected, and joint is waterproof 's；

14e2) larger opening is connected with the interface positioned at the gas outlet of shell downstream tail end and outer casing inner wall, and engagement Place is fluid-tight；The water accumulated along active filter inwall or on inwall will not be flowed out or be spilt by gas outlet, and It is that can be discharged by mudhole.

Further, the offer includes with the outside pressure (hydraulic) water provided of conversion for the process of atomization water curtain or water smoke：

One or more hydraulic spray nozzles 15a) are provided, installed in its peripheral part of baffle center, and outside offer are connected to Pressurised stream, power is thus produced to spray with gas overall flow direction into 90 degree to 180 degree angle and cover whole housing The atomised spray in section；In addition

At least one water supply pipeline 15b) is provided, above-mentioned hydraulic spray nozzle is connected by tubular shape housing and external water stream adds Pressure device.

Further, the mixing and transfer process include providing at least is by what fin more than one or multiple-blade wheel were constituted System, is arranged according to order along tubulose axle, wherein：

16a) diameter of each many fin or multiple-blade wheels is both less than diameter of the housing；Each many fin or multiple-blade wheels include The stream guide fins for some protrusions arranged along its side face, all stream materials passed through, bag are guided for contacting and orienting Include atomized water, air, flue gas or their mixture；In addition

16b) each stream guide fins of many fins or multiple-blade wheel have shape alone, size and direction, with Make the system that multiple many fins or multiple-blade wheel are constituted as an entirety, hydraulic pressure dynamically mixes and changed the atomization flowed into Water, the air or gas entered from air inlet, and the flue gas entered from flue gas recirculation end, make them turn into air or gas Eddy flow.

Further there is provided the system of multiple many fin or multiple-blade wheel compositions, each pair adjacent many fins or multiple-blade Stream guide fins between wheel are arranged at an angle on Y-Z plane.

Further, adjustable damper is set also included in tubular shell at air inlet certain position, For adjust within the specific limits from there through air-flow speed, flow and direction.

Further, the passive filter and active filter use heat-resisting material and corrosion-free or corrosion-resistant material Material.

Present invention contrast prior art has following beneficial effect：Adjustable multi-level gas filter that the present invention is provided and For the gas filtration method of burner, when it is used in metallic fiber combustion burner, to ensure efficient filtering simultaneously The amount of air and flue gas is controlled, first metallic filter is placed on the air inlet of Straight filter housings, followed by one Blast volume controller.Second metallic filter is placed on the gas suction inlet of flue gas inlet pipe connection, roughly to filter flue gas. One air swirl filtering module and atomized water module are placed on the center section in Straight housing.Rough filtered gas It is integrated with the atomized water that is sprayed from the atomized water module, then by common by air swirl filtering module and fan power The centrifugal action for acting on and producing, larger material and mixtures of impurities are separated from gas, and by being seated in shell Discharge pipe discharge below body.Finally, gas will carry out third time filtering by the 3rd metallic filter.The present invention not only may be used With high efficiency filter, air-flow can also be controlled.Compared with other filters that can reach identical filtering requirement, resistance of the present invention is small More than ten times.It is can also be applied to control high temperature air filtration.In addition, its metallic filter all using it is removable/ Slide design, it is easier to change.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the present invention.

Fig. 2 is the overall structure of the present invention, is used as the cross-sectional view in the 3D figures for implementing to exemplify.

Fig. 3 is the overall structure of the present invention, is used as the cross-sectional view in the 3D figures for implementing to exemplify.

Fig. 4 is the overall structure of the present invention, is used as another schematic cross-section in the 3D figures for implementing to exemplify.

Fig. 5 is the schematic diagram of many fin/blade wheels (MFW) of air/gas cyclone (AGCG) in the present invention.

Fig. 6 is the fin or the schematic diagram of blade of many fin/blade wheels (MFW) of AGCG in the present invention, is used as the of Fig. 5 The diagram of a part of (fin/blade).

Fig. 7 is many fin/blade wheels (MFW) and the schematic diagram of water atomization component of AGCG in the present invention.

Fig. 8 is many fin/blade wheels (MFW) and the signal of AGCG carrying fixing devices (AGCGHF) of AGCG in the present invention Figure；Fig. 8 b are the sectional view of the line B-B along along 8a, and Fig. 8 c are the sectional view of the line A-A along along 8a.

Fig. 9 is AGCG carrying fixing device (AGCGHF) schematic diagrames of the present invention；Fig. 9 a are stereogram, and 9b is flat after expansion Face schematic diagram, 9c is is bent to form process schematic, and 9d is positive structure schematic.

Figure 10 is hydraulic power water atomization component (HPWA) schematic diagram of the present invention；Figure 10 a are stereogram, and 10b is front Structural representation, 10c is A portions mplifying structure schematic diagram, and 10d is nozzle arrangements schematic diagram, and 10e is side structure schematic diagram.

Figure 11 is adjustable damper (AAGID) schematic diagram of the present invention；Figure 11 a are stereogram, and 11b ties for front Structure schematic diagram, 11c side structure schematic diagrams.

Figure 12 is the overall structure of the present invention, and the horizontal stroke in the 3D figures shown in embodiment is used as with current protective ring (WFGR) Schematic cross-section.

Figure 13 is the overall structure of the present invention, with current protective ring (WFGR) as another in the 3D figures shown in embodiment One schematic cross-section.

Figure 14 is MHAGF of the present invention cross-sectional view, in its WFRG in the enough distances in one section of AGCGHF downstreams.

Figure 15 is the diagram of a water-carrying capacity protective ring (WFGR)；Figure 15 a are stereogram, and 15b is positive structure schematic, 15c is side structure schematic diagram, and 15d is structure schematic diagram, and 15e is the sectional view of the AA-AA lines along along 15d.

Figure 16 is the cross-sectional view in the 3D figures of one embodiment of the invention.

Embodiment

The invention will be further described with reference to the accompanying drawings and examples.

The present invention is to provide the multistage mixing air/pneumatic filter (MHAGF) 100 of a high accuracy, such as Fig. 1,2,3, 4,12 13, shown in 14 and 16, can with least one external burner (XBNR) and at least one external air being coupled or The suction of gas or blowing apparatus (XSBD) are run together, to form the airflow passes MHAGF 100 of air or gas, the MHAGF 100 include：

1a) one as shown in Fig. 2 generally tubular shape housing (GTSH) 5, is expressed, X with an XYZ cartesian coordinate system Direction represents the direction that pipeline axle center extends with pipeline, and YZ planes then represent the cross section of pipeline.The housing is just like Fig. 2, and 3, An air inlet (AGIP) 22 shown in 4,12,13,14 and 16, a gas outlet (AGOP) to the direct or indirect gas transmissions of XBNR 6, and a flue gas recirculation end (FGRP) 7 for being used to flue gas is returned to from outside MHAGF 100；

1b) such as Fig. 2, shown in 3,4,12,13,14 and 16, several mesh screen type passive type filters (MBPF) being coupled Isosorbide-5-Nitrae, 15 are arranged on along gas overall flow direction (GFD), and the GFD is virtually defined as being produced by XSBD and inhales or blow Power maintains the gas overall flow direction of overall air or gas pressure jump to be formed；And

1c) as shown in Fig. 2 at least one needs the active filter (PAF) 24 of power, it is arranged on along GFD's Certain two MBPF Isosorbide-5-Nitrae, between 15, air of its power from an outside is dynamically inhaled or blowing force and the hydraulic power of an outside, To separate and discharge the impurity particle entered via AGIP 22 and FGRP 7 in the gas in MHAGF 100.

Include continuing with referring to Figure 14, PAF 24 of the invention：

2a) air or gas turbulator (AGCG) 3, be arranged on along GFD has sufficient distance with AGIP 22 and FGRP 7 Downstream.And such as Fig. 2, shown in 3,4,12,13,14 and 16, there is its table plane to be located at AGCG's 3 perpendicular to GFD baffle plate Upstream top, is used as its capping 11.AGCG 3 is used to mix and convert：

I) any form of water, including atomization water curtain and water smoke；

Ii) from the end leaked-in airs of AGIP 22/gas；

Iii) the flue gas flowed into from FGRP 7；And

Iv) it is all flowed in housing include the mixture of material described above,

Produce one includes air or gas, the eddy flow of the mixture of flue gas and atomized water, so that miscellaneous in YZ planes Matter is separated from air or gas cyclone, and the high-speed rotational in YZ planes so produced flows while also being migrated along GFD；

A 2b) hydraulic power water atomization component (HPWA) 28, such as Fig. 2, shown in 3,4,12,13,14 and 16, its power by External water pressure is provided, and is positioned close at the cappings of AGCG 3 11, and any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted For the water curtain or water smoke sprayed with GFD into 90 degree to 180 degree angle, the complete cross section of a certain piece housing is covered to try one's best；

2c) there are some wastes, the nethermost part of shell is arranged on, for discharging impurity；

2d) as shown in Figure 12 to 16, one carries fixing device (AGCGHF9) in truncated cone or the AGCG 3 of flat, annular, Its

2d1) outward flange (larger opening) is connected with inner walls, and joint is fluid-tight；

2d2) inward flange (less opening) is connected with the outward flange of the downstream ends of AGCG 3, and joint is waterproof 's；Also

A 2e) current protective ring (WFGR) 29, keeps sufficient distance, in the incomplete truncated cone bodily form with AGCGHF 9 Shape, its

2e1) one end for the short tube that less opening is opened with a tail end or opening are connected, and its joint is waterproof 's；

2e2) larger opening is connected with the AGOP 6 and the interface of outer casing inner wall positioned at shell downstream tail end, and joint It is fluid-tight.So, the water accumulated along the inwalls of PAF 24 or on inwall will not be flowed out or be spilt by AGOP 6, but meeting Discharged by mudhole.

The present invention alternatively PAF 24 as shown in Figure 2, has the institute as described above in addition to WFGR 29 in AGOP There is component, no longer expansion is repeated one by one herein.

The HPWA 28 of the present invention includes：

4a) one or more hydraulic spray nozzles, installed in 11 centers of capping or its peripheral part, and are connected to outside offer Pressurised stream, thus produces power to spray with GFD into 90 degree to 180 degree angle, purpose is one whole housing section of covering Atomised spray；

4b) at least one water supply pipeline, above-mentioned hydraulic spray nozzle and external water stream pressue device are connected by GTSH 5.

The AGCG 3 of the present invention includes a system being made up of one or more many fin or multiple-blade wheels (MFW) 10, Such as Fig. 2, shown in 3,4,12,13,14 and 16, set gradually along tubulose axle：

5a) such as Fig. 5, shown in 6,7 and 8, each MFW 10 diameter is both less than diameter of the housing.It includes arranging along its side face , the stream guide fins (FGF) 31 of some protrusions guide all stream materials passed through, including mist for contacting and orienting Change water, air, flue gas or their mixture；In addition

5b) as shown in fig. 6, each FGF 31 in the systems of MFW 10 has shape alone, size and direction, so that The systems of MFW 10, will with air force as a global facility

As shown in Fig. 2,3 and 12, the atomized water of inflow；

The air or gas entered from AGIP 22；With

The flue gas entered from FGRP 7

Mix and be converted into the eddy flow of air or gas.

When AGCG 3 includes the system being made up of more than one MFW 10, the FGF 31 between the adjacent MFW 10 of each pair is in Y- Arrange, including intersect at a proper angle on Z plane.

Such as Fig. 2, shown in 3,4,12,13,14 and 16, AGIP 22 includes an adjustable damper (AAGID) 17, Positioned at first MBPF 1/4/15 downstream, for regulation in a wide range of at one from there through the speed of air-flow, flow And direction.

Such as Fig. 2, shown in 3,4,12,13,14 and 16, FGRP 7 includes：

The Part I of tube or pipeline is located at GTSH 5 outside, and its one end is connected with GTSH 5, and the other end is made As may be connected to the port of tube or pipeline to convey flue gas；

One opening groove for intersecting with the tube or pipe section, can put at least one MBPF 1/4/15；

Such as Fig. 4, shown in 13,14 and 16, the Part II 35 of tube or pipeline is located in GTSH 5, from Part I institute The downstream direction that the tube or pipeline stated are extended in GTSH 5, with appropriate shape and sufficient length can prevent to Few part of smoke just flows directly into the systems of MFW 10 without the upstream spaces of MFW 10 and air or gas mixing.

Each AGIP 22 and AGOP 6 is designed with one or more open slots to place MBFP 1/4/15.

MBPF 1/4/15 shown in Fig. 4 includes one or more layers meshed filter material, is designed as interchangeable, may move Or it is cleanable, in order to repair, and by one or more layers fixed bearing web plate, such as stainless steel supporting web plate, to support.

XBNR is burner, includes but are not limited to Metal Fibre Combustion burner.

In order to be run together with XBNR, MHAGF uses heat-resisting material and corrosion-free or resistant material, including but not only It is limited to stainless steel.

The present invention also provides a kind of gas filtration method for burner, passes through passive filter and active filter Mix to filter air/gas flow (AGF) to be input to external burner, this method includes：

One GTSH 5 13a) is provided, expressed with XYZ tables cartesian coordinate system, X-direction represents pipeline axle center and prolonged with pipeline The direction stretched, YZ planes then represent the cross section of pipeline.The housing has an AGIP 22, and one direct or indirect to XBNR The AGOP 6 of gas transmission, and a FGRP 7 for being used to flue gas is returned to from outside GTSH 5；

If 13b) providing the MBPF 1/4/15 of dry-cured meat, along the GFD formed by the XSBD suctions produced or blowing force, to tie up Hold overall air or gas pressure jump；Also

At least one PAF 24 between MBPF 1/4/15 13c) is provided, its power is moved by the air of an outside Power is blown or suction and the hydraulic power of an outside are provided, to separate and discharge simultaneously from the miscellaneous of FGRP 7 and AGIP 22 Matter.

Described separation and discharge impurity include in the method：

One air/gas cyclone (AGCG 3) 14a) is provided, is arranged on and AGIP22 along air-flow overall flow direction There is the downstream of sufficient distance with FGRP 7, and there is a baffle plate to be placed in AGCG 3 upstream, be used as its capping 11, its plane Perpendicular to gas overall flow rate direction, the AGCG 3 is used to mix and convert：

I. any form of water, including atomization water curtain and water smoke；

II. from the leaked-in airs of AGIP 22 or gas；

III. the flue gas flowed into from FGRP 7；With

IV. what is flowed in housing includes the mixture of material described above,

Produce one includes the eddy flow of air or gas, flue gas, and the mixture of atomized water in YZ planes, so that miscellaneous Matter is separated from air or gas cyclone, and the high-speed rotational in YZ planes so produced flows while also being migrated along GFD；

A HPWA 28 14b) is provided, its power is provided by external water pressure, be positioned close at the capping of cyclone 3 11, use The water curtain or water smoke sprayed with GFD into 90 degree to 180 degree angle is converted into any more than 0 DEG C of the pressure (hydraulic) water that outside is provided, To cover the complete cross section of a certain piece housing as far as possible；

One AGCG support means (AGCGHF 9) 14d) is provided, in truncated cone or flat, annular, its

14d1) outward flange (larger opening) is connected with inner walls, and joint is fluid-tight；

14d2) inward flange (less opening) is connected with the outward flange in the downstreams of AGCG 3, and joint is fluid-tight； Also

One WFGR 29 14e) is provided, sufficient distance is kept with AGCGHF 9, in incomplete truncated cone shape, its

14e2) larger opening is connected with the air or the interface of AGOP 6 and outer casing inner wall positioned at shell downstream tail end, And joint is fluid-tight.So, the water accumulated along the inwalls of PAF 24 or on inwall will not be flowed out or be leaked by AGOP6 Go out, but can be discharged by mudhole.

It is that atomization water curtain or water smoke include to be provided described in the inventive method with the outside pressure (hydraulic) water provided of conversion：

One or more hydraulic spray nozzles 15a) are provided, installed in capping its peripheral part of 11 centers, and outside is connected to and carries The pressurised stream of confession, thus produces power to spray with GFD into 90 degree to 180 degree angle, purpose is the whole housing section of covering Atomised spray；In addition

At least one water supply pipeline 15b) is provided, above-mentioned hydraulic spray nozzle is connected by GTSH 5 and external water stream pressurization is filled Put.

In the method, mix and change：

I. any form of water, including atomization water curtain and water smoke；

II. from 22 leaked-in airs of AGIP/gas；

III. the flue gas flowed into from FGRP 7；With

IV. what is flowed in housing includes the mixture of material described above,

Produce one includes the eddy flow of air or gas, flue gas, and the mixture of atomized water in YZ planes, so that miscellaneous Matter is separated from air or gas cyclone, and the high-speed rotational in YZ planes so produced flows while also being migrated along GFD； Including

One system being made up of one or more MFW 10 is provided, arranged according to order along tubulose axle, wherein：

5a) each MFW 10 diameter is both less than diameter of the housing.It includes what is arranged along its side face, the FGF of some protrusions 31, guide all stream materials passed through, including atomized water, air, flue gas or their mixture for contacting and orienting； Also

5b) each FGF 31 in the systems of MFW 10 has shape alone, size and direction, so that the systems of MFW 10 are made For an entirety, hydraulic pressure dynamically mixes and changed the atomized water flowed into, the air or gas entered from AGIP 22, and from The flue gas that FGRP 7 enters, makes them turn into air or gas cyclone.

In the method there is provided a system being made up of one or more MFW 10, when provide one by multiple MFW10 During the system of composition, include adjacent 10 FGF 31 of MFW of reasonable arrangement each pair angle position, arrangement containing staggered form.

In the method, for the flow velocity of the AGF of adjustment in a wide range of, flow or flow to there is provided comprising one with AGIP 22 keeps the AAGID 17 of suitable distance GTSH 5.

In the method, for convenience of safeguarding, the MBPF 1/4/15 provided need to include one or more layers netted filtering material Material, and be designed as it is interchangeable, it is moveable or cleanable, and by one or more layers fixed bearing web plate, such as stainless steel Web plate is supported, to support.

In the method, gas is filtered with passive filter and active filter to be used to be input to external burner (XBNR) method, including the use of heat-resisting material and corrosion-free or resistant material, includes but are not limited to stainless steel.

As such as Fig. 1 that MHAGF 100 and one or more XSBD are provided, 2,3,4,12,13, and the suction force shown in 14 46, or power of advertising as shown in figure 16 runs together, the filterings of MBPF 1 that air/gas flow passes through at AGIP 22 are flowed into MHAGF.The flow velocity of input air/gas, volume and flow direction can be adjusted by AAGID17.Meanwhile, flue gas is passing through FGRP 7 MBPF 4 is passed through after filtering enters MHAGF and with being blended in one from the air/gas flows entered of AGIP 22 by FGRP 7 Rise.This is first order filtering.

After the first order is filtered, the mixture of air/gas and flue gas is encountered from such as Fig. 2,3,4,10,12,13,14 Hes The atomised spray that the nozzle 12 of HPWA 28 shown in 16 sprays, wherein pressure (hydraulic) water are via HPWA water supply line 2 from outside watering There is provided.This is second level filtering.

After being filtered by the second level, the mixture of air/gas and flue gas flows into AGCG in the way of eddy flow, the cyclonic action Generated for whizzer by AGCG 3 and by the aerodynamic force that one or more XSBD are provided.The impurity not filtered by MBPFF After atomized water mixing, thrown by the centrifugal force produced of AGCG 3 on the wall of housing 5.Finally, impurity is encountered obstruction and fallen on AGCG 3 lowermost portion, and by such as Fig. 1, the discharge outlet discharge shown in 2,3,4,12,13,14 and 16, this is third level mistake Filter.

After the third level is filtered, the mixture of air/gas and flue gas flows through the MBPF 15 in AGOP 6, so that by Further cleaning filtering.This is fourth stage filtering.

After being filtered by the aforementioned four stage, the impurity more than 10 microns can be filtered.The MHAGF can be used for Filtration temperature is up to 550 or 700 degrees Celsius of air/gas and flue gas.

Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill Art personnel, without departing from the spirit and scope of the present invention, when a little modification can be made and perfect, therefore the protection model of the present invention Enclose when by being defined that claims are defined.

Claims

1. a kind of adjustable multi-level gas filter, can be with least one external burner and at least one external gas being coupled Body is inhaled blowing apparatus and run together, to form the air-flow for flowing through the pneumatic filter, it is characterised in that the pneumatic filter bag Include：

A 1a) generally tubular shape housing, is expressed with an XYZ cartesian coordinate system, and X-direction represents pipeline axle center with pipeline The direction of extension, YZ planes then represent the cross section of pipeline；The housing has an air inlet, and one is given external burner gas transmission Gas outlet, and one be used for flue gas from outside return pneumatic filter flue gas recirculation end；

1b) several mesh screen type passive type filters set along gas overall flow direction being coupled, the gas is total Blowing apparatus maintenance overall gas pressure gradient is inhaled by external gas and is produced in body flow direction；And

1c) at least one needs the active filter of power, and the active filter is set along gas overall flow direction Put between certain two passive type filter, air of the active filter power from an outside is dynamically inhaled or blowing force With the hydraulic power of an outside, to separate and discharge the gas entered via air inlet and flue gas recirculation end in pneumatic filter Impurity particle in body.

2. multi-level gas filter as claimed in claim 1, it is characterised in that the active filter includes：

A 2a) gas turbulator, the downstream direction at air inlet and flue gas recirculation end is arranged on along gas overall flow direction And be spaced a distance, gas turbulator upstream top is provided with the baffle plate as capping, and a table of the baffle plate is put down Face is perpendicular to gas overall flow direction；The gas turbulator is used to mix and convert：

I) any form of water, including atomization water curtain and water smoke；

I i) from inlet port leaked-in air/gas；

I i i) from flue gas recirculation end flow into flue gas；And

Iv) it is all flowed in housing include the mixture of material described above；

The gas turbulator produces one includes gas in YZ planes, the eddy flow of the mixture of flue gas and atomized water, so that Impurity is separated from gas cyclone, the high-speed rotational in YZ planes so produced is while also along gas overall flow side To migration flowing；

A 2b) hydraulic power water atomization component, its power is provided by external water pressure, and the hydraulic power water atomization component is set At the capping of gas turbulator, any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted into overall with gas Water curtain or water smoke that flow direction is sprayed into 90 degree to 180 degree angle, to cover the complete cross section of a certain piece housing；

A 2d) carrying fixing device in truncated cone or flat, annular, the outward flange opening of the carrying fixing device is more than interior Rim openings：

2d1) outward flange of the carrying fixing device is connected with inner walls, and joint is fluid-tight；

2d2) inward flange of the carrying fixing device is connected with the outward flange of gas turbulator downstream end, and joint is not Permeable；And

A 2e) current protective ring, is maintained a certain distance with carrying fixing device, in incomplete circular cone shape, its

2e1) one end for the short tube that less opening is opened with a tail end or opening are connected, and its joint is fluid-tight；

2e2) larger opening is connected with the interface positioned at the gas outlet of shell downstream tail end and outer casing inner wall, and joint is not Permeable；The water accumulated along active filter inwall or on inwall will not be flowed out or be spilt by gas outlet, but can be by Mudhole is discharged.

3. multi-level gas filter as claimed in claim 1, it is characterised in that the active filter includes：

I) any form of water, including atomization water curtain and water smoke；

I i) from inlet port leaked-in air/gas；

I i i) from flue gas recirculation end flow into flue gas；And

2d2) inward flange of the carrying fixing device is connected with the outward flange of gas turbulator downstream end, and joint is not Permeable.

4. multi-level gas filter as claimed in claim 2, it is characterised in that the hydraulic power water atomization component includes：

4a) one or more hydraulic spray nozzles, installed in baffle center or its peripheral part, and are connected to the pressure (hydraulic) water of outside offer Stream, thus produces power to spray with gas overall flow direction into 90 degree to 180 degree angle and cover the mist of whole housing section Change water smoke；

4b) at least one water supply pipeline, above-mentioned hydraulic spray nozzle and external water stream pressue device are connected by tubular shape housing.

5. multi-level gas filter as claimed in claim 2, it is characterised in that the gas turbulator is included at least by fin more than one The system of piece or multiple-blade wheel composition, sets gradually along tubulose axle：

5a) diameter of each many fin or multiple-blade wheels is both less than diameter of the housing；It includes what is arranged along its side face, some protrusions Stream guide fins, guide all stream materials passed through for contacting and orienting, including atomized water, air, flue gas or it Mixture；In addition

5b) each stream guide fins of many fins or multiple-blade wheel have shape alone, size and direction, so that multiple The system of many fin or multiple-blade wheels composition is as a global facility, with air force by the atomized water of inflow, from air inlet The air or gas of entrance and the flue gas entered from flue gas recirculation end, mix and are converted into gas cyclone.

6. multi-level gas filter as claimed in claim 5, it is characterised in that the gas turbulator includes multiple many fins or many The system of blade wheel composition, the stream guide fins between the adjacent many fins of each pair or multiple-blade wheel are on Y-Z plane with certain Angular arrangement.

7. multi-level gas filter as claimed in claim 1, it is characterised in that the air inlet includes an adjustable damper Plate, positioned at the downstream of first passive type filter, for adjust within the specific limits from there through the speed of air-flow, stream Amount and direction.

8. the multi-level gas filter of claim 1, it is characterised in that the flue gas includes at circulation end：

Tube or pipeline, the Part I of the tube or pipeline are located at the outside of tubular shape housing, its one end and housing It is connected, the other end is made as may be connected to the port of tube or pipeline conveying flue gas；

One opening groove for intersecting with the tube or pipe section, for placing at least one passive type filter；

The Part II of the tube or pipeline is located in housing, is extended to from the tube or pipeline of Part I in housing Downstream direction, cause at least a portion flue gas without many fins or multiple-blade wheel with appropriate shape and certain length The system that upstream space just flows directly into many fins or multiple-blade wheel composition with air or gas mixing.

9. multi-level gas filter as claimed in claim 1, it is characterised in that each air inlet and gas outlet are designed with one Or multiple open slots to place passive type filter.

10. multi-level gas filter as claimed in claim 1, it is characterised in that the passive type filter includes one or more layers Meshed filter material, the meshed filter material be designed as it is interchangeable, it is moveable or cleanable, and by one or more layers Fixed bearing web plate support.

11. multi-level gas filter as claimed in claim 1, it is characterised in that the external burner fires for metallic fiber surface Combust burner.

12. multi-level gas filter as claimed in claim 1, it is characterised in that the material of the multi-level gas filter is heat-resisting Property, corrosion-free or resistant material.

13. a kind of gas filtration method for burner, is used for by passive filter and active filter to filter gas It is input to external burner, it is characterised in that comprise the following steps：

One tubular shape housing 13a) is provided, expressed with XYZ tables cartesian coordinate system, X-direction represents pipeline axle center and prolonged with pipeline The direction stretched, YZ planes then represent the cross section of pipeline；The housing has an air inlet, one to external burner directly or The gas outlet of indirect gas transmission, and a flue gas recirculation end for being used to flue gas is returned to from outside housing；

If 13b) providing the mesh screen type passive type filter of dry-cured meat, suction or the blowing force shape that blowing apparatus is produced are inhaled along by external gas Into gas overall flow direction, to maintain overall air or gas pressure jump；And

At least one active filter between the passive type filter 13c) is provided, its power by an outside air Power is blown or suction and the hydraulic power of an outside are provided, to separate and discharge simultaneously from flue gas recirculation end and air inlet The impurity come.

14. gas filtration method as claimed in claim 13, it is characterised in that described separation and the method bag of discharge impurity Include：

One gas turbulator 14a) is provided, the downstream at air inlet and flue gas recirculation end is arranged on along air-flow overall flow direction Direction is simultaneously spaced a distance, and gas turbulator upstream top is provided with the baffle plate as capping, one of the baffle plate Table plane is perpendicular to gas overall flow direction；The gas turbulator is used to mix and convert：

I. any form of water, including atomization water curtain and water smoke；

II. from AGIP leaked-in airs or gas；

III. the flue gas flowed into from FGRP；And

The gas turbulator produces one includes air or gas in YZ planes, the rotation of the mixture of flue gas and atomized water Stream, so that being separated in foreign substances from air or gas cyclone, the high-speed rotational in YZ planes that so produces is while also edge GFD migration flowings；

A hydraulic power water atomization component 14b) is provided, its power is provided by external water pressure, is positioned close to gas turbulator At capping, any more than 0 DEG C of the pressure (hydraulic) water for outside to be provided is converted into gas overall flow direction into 90 degree to 180 The water curtain or water smoke of angle sprinkling are spent, to cover the complete cross section of a certain piece housing；

One 14d) is provided in truncated cone or the carrying fixing device of flat, annular, the outward flange opening of the carrying fixing device is big In inward flange opening；

14d2) inward flange of the carrying fixing device is connected with the outward flange of gas turbulator downstream end, and joint is It is fluid-tight；And

One current protective ring 14e) is provided, maintained a certain distance with carrying fixing device, in incomplete truncated cone shape, its

14e1) one end for the short tube that less opening is opened with a tail end or opening are connected, and joint is fluid-tight；

14e2) larger opening is connected with the interface positioned at the gas outlet of shell downstream tail end and outer casing inner wall, and joint is It is fluid-tight；The water accumulated along active filter inwall or on inwall will not be flowed out or be spilt by gas outlet, but meeting Discharged by mudhole.

15. the gas filtration method described in claim 14, it is characterised in that the offer and the outside pressure (hydraulic) water provided of conversion Process for atomization water curtain or water smoke includes：

One or more hydraulic spray nozzles 15a) are provided, installed in its peripheral part of baffle center, and adding for outside offer are connected to Current are pressed, thus produce power to spray with gas overall flow direction into 90 degree to 180 degree angle and cover whole housing section Atomised spray；In addition

At least one water supply pipeline 15b) is provided, above-mentioned hydraulic spray nozzle is connected by tubular shape housing and external water stream pressurization is filled Put.

16. gas filtration method as claimed in claim 14, it is characterised in that the mixing and transfer process include providing extremely Few system being made up of fin more than one or multiple-blade wheel, is arranged according to order along tubulose axle, wherein：

16a) diameter of each many fin or multiple-blade wheels is both less than diameter of the housing；Each many fin or multiple-blade wheels are included along it The stream guide fins of some protrusions of side face arrangement, all stream materials passed through, including mist are guided for contacting and orienting Change water, air, flue gas or their mixture；In addition

16b) each stream guide fins of many fins or multiple-blade wheel have shape alone, size and direction, so that many The system of individual many fins or multiple-blade wheel composition is as an entirety, and hydraulic pressure dynamically mixes and changed the atomized water flowed into, from Air or gas that air inlet enters, and the flue gas entered from flue gas recirculation end, make them turn into air or gas cyclone.

17. gas filtration method as claimed in claim 16, it is characterised in that multiple many fin or multiple-blade wheel compositions are provided System, the stream guide fins between the adjacent many fins of each pair or multiple-blade wheel arrange at an angle on Y-Z plane.

18. gas filtration method as claimed in claim 13, it is characterised in that also included in tubular shell apart from air inlet Adjustable damper is set at certain position, for adjust within the specific limits from there through the speed of air-flow, stream Amount and direction.

19. gas filtration method as claimed in claim 13, it is characterised in that the passive type filter includes one layer or many Layer meshed filter material, the meshed filter material be designed as it is interchangeable, it is moveable or cleanable, and by one layer or many The fixed bearing web plate of layer is supported.

20. gas filtration method as claimed in claim 13, it is characterised in that the passive filter and active filter make With heat-resisting material and corrosion-free or resistant material.