CN102380268B - Gas supplementing device and ash removing system comprising same - Google Patents

Gas supplementing device and ash removing system comprising same Download PDF

Info

Publication number
CN102380268B
CN102380268B CN201110382199.5A CN201110382199A CN102380268B CN 102380268 B CN102380268 B CN 102380268B CN 201110382199 A CN201110382199 A CN 201110382199A CN 102380268 B CN102380268 B CN 102380268B
Authority
CN
China
Prior art keywords
source
gas
air
making
pipe
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.)
Active
Application number
CN201110382199.5A
Other languages
Chinese (zh)
Other versions
CN102380268A (en
Inventor
马辉
崔胜�
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.)
China Shenhua Energy Co Ltd
Shenhua Shendong Power Co Ltd
Shenhua Yili Energy Co Ltd
Original Assignee
China Shenhua Energy Co Ltd
Shenhua Shendong Power Co Ltd
Shenhua Yili Energy 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 China Shenhua Energy Co Ltd, Shenhua Shendong Power Co Ltd, Shenhua Yili Energy Co Ltd filed Critical China Shenhua Energy Co Ltd
Priority to CN201110382199.5A priority Critical patent/CN102380268B/en
Publication of CN102380268A publication Critical patent/CN102380268A/en
Application granted granted Critical
Publication of CN102380268B publication Critical patent/CN102380268B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a gas supplementing device which comprises a gas supplementing pipe (1) and a gas source distribution pipe (2), wherein the gas source distribution pipe (2) is arranged in the gas supplementing pipe (1), and the two ends of the gas source distribution pipe (2) are closed; the two opposite sides of the gas source distribution pipe (2) are provided with a gas inlet (3) and multiple gas source distribution holes (4) respectively; the gas inlet (3) is communicated with the outer part of the gas supplementing pipe (1); the multiple gas source distribution holes (4) are distributed along the axial direction of the gas source distribution pipe (2); and the axes of at least some of the gas source distribution holes (4) are parallel to the axis of the gas inlet (3). In addition, the invention also provides an ash removing system comprising the gas supplementing device. As the gas source distribution holes are distributed along the axial direction of the gas source distribution pipe, annular vortex is not generated, pressure of the gas injected from the gas source distribution holes is relatively uniform, and abrasion of the gas supplementing pipe is reduced, thus the ash leakage of the gas supplementing device is prevented.

Description

Making-up air device and the ash disposal system that comprises this making-up air device
Technical field
The present invention relates to thermal power generation field, particularly, relate to a kind of making-up air device and the ash disposal system that comprises this making-up air device.
Background technology
4 * the 200MW of Yi Li limited energy responsible company of Shenhua unit cleaner adopts sack cleaner equipment, ash bucket ash discharge adopts malleation dense Phase Pneumatic Ash Handling system, at Cang Bengchukouchu, making-up air device is installed, so that ash is carried out to fluidization treatment, prevents clogging phenomenon.As depicted in figs. 1 and 2, existing making-up air device comprises blowdown pipe 1 and is fixed on the abrasionproof lining 9 in blowdown pipe 1, between blowdown pipe 1 and abrasionproof lining 9, be formed with toroidal cavity 12, on blowdown pipe 1, be provided with the tonifying Qi air inlet 10 communicating with toroidal cavity 12, in the part of the formation toroidal cavity 12 of abrasionproof lining 9, be provided with a plurality of apertures 11, the plurality of aperture 11 is uniformly distributed and in the extension in the radial direction of abrasionproof lining 9 along the circumferential direction of abrasionproof lining 9.During work, gas enters in toroidal cavity 12 by tonifying Qi air inlet 10, then in this toroidal cavity 12, flows, through aperture 11 ejections on abrasionproof lining 9.When flowing in toroidal cavity 12, gas forms annular whirlpool, like this will be in flow process erosive wear abrasionproof lining 9 constantly, make shape and the aperture of aperture 11 inconsistent, in the time of in air-flow enters blowing pipe road, pressure and direction all change, the wearing and tearing of abrasionproof lining 9 and blowdown pipe 1 have been accelerated, thereby cause making-up air device often to leak ash, polluted on-the-spot production environment, and cause the ash disposal system maintenance of often stopping transport, thereby increased maintainer's working strength, affected the normal operation of ash disposal system.In addition, because needs are often changed making-up air device, so increased use cost.
Summary of the invention
The object of this invention is to provide a kind of ash disposal system that can prevent that making-up air device from occurring to leak the making-up air device of grey phenomenon and comprising this making-up air device.
To achieve these goals, the invention provides a kind of making-up air device, this making-up air device comprises blowdown pipe, wherein, this making-up air device also comprises source of the gas distributing pipe, this source of the gas distributing pipe is arranged on the inside of described blowdown pipe, and the closed at both ends of this source of the gas distributing pipe, the relative both sides of this source of the gas distributing pipe are respectively arranged with air inlet and a plurality of source of the gas dispensing orifice, the exterior of described air inlet and described blowdown pipe, described a plurality of source of the gas dispensing orifice is along the axial directional distribution of described source of the gas distributing pipe, and the axis of at least a portion source of the gas dispensing orifice is parallel with the axis of described air inlet.
Preferably, described source of the gas distributing pipe is fixed on described blowdown pipe.
Preferably, the axis of described source of the gas distributing pipe and the axis of described blowdown pipe are parallel.
Preferably, described source of the gas dispensing orifice in a row arranges along the axial direction of described source of the gas distributing pipe, and wherein an axis for exhaust source dispensing orifice and the axis of described air inlet are parallel.
Preferably, described source of the gas dispensing orifice is distributed in the both sides of described air inlet.
Preferably, described source of the gas dispensing orifice is three rows, the both sides of an exhaust source dispensing orifice wherein described in other two exhaust source dispensing orifices are positioned at.
Preferably, the angle between the axis of a described wherein exhaust source dispensing orifice and the axis of described other two exhaust source dispensing orifices is 30 degree~45 degree.
Preferably, described other two exhaust source dispensing orifices and a described wherein exhaust source dispensing orifice are staggeredly arranged.
Preferably, described source of the gas dispensing orifice is circular, and the diameter of this circle source of the gas dispensing orifice is 3 millimeters~5 millimeters.
Preferably, in same exhaust source dispensing orifice, the spacing of adjacent two described source of the gas dispensing orifices is 30 millimeters~50 millimeters.
Preferably, on described source of the gas distributing pipe, be provided with the air inlet pipe communicating with described air inlet, this air inlet pipe is stretched out from described blowdown pipe.
Preferably, in described air inlet pipe, restricting orifice is installed.
Preferably, in described air inlet pipe, check-valves is installed, this check-valves is positioned at the upstream of described restricting orifice.
Preferably, in described air inlet pipe, switch valve is installed, this switch valve is positioned at the upstream of described check-valves.
In addition, the present invention also provides a kind of ash disposal system, this ash disposal system comprises storehouse pump, making-up air device and source of the gas, described making-up air device is arranged on described Cang Bengchukouchu, wherein, described making-up air device is making-up air device provided by the present invention, and one end of the blowdown pipe of described making-up air device is connected with described storehouse pump, and the air inlet of the source of the gas distributing pipe of described making-up air device is connected with described source of the gas.
Due to the axial directional distribution of source of the gas dispensing orifice along source of the gas distributing pipe, so can not produce annular whirlpool, the pressure of the gas spraying from source of the gas dispensing orifice is comparatively even, the wearing and tearing of blowdown pipe have been reduced, thereby prevented that making-up air device from grey phenomenon occurring to leak, avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to not needing often to change making-up air device, so reduced use cost.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is that the master of existing making-up air device looks cutaway view;
Fig. 2 is the cutaway view along A-A line is cut open in Fig. 1;
Fig. 3 is that the master of making-up air device provided by the invention looks cutaway view;
Fig. 4 is the cutaway view along B-B line is cut open in Fig. 3;
Fig. 5 is the cutaway view along C-C line is cut open in Fig. 3.
Description of reference numerals
1: blowdown pipe; 2: source of the gas distributing pipe; 3: air inlet; 4: source of the gas dispensing orifice; 5: air inlet pipe; 6: restricting orifice; 7: check-valves; 8: switch valve; 9: abrasionproof lining; 10: tonifying Qi air inlet; 11: aperture; 12: toroidal cavity; 13: flange.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use is undefined at the use state of making-up air device provided by the invention as " upper and lower ", and the term of use " upstream " defines with respect to gas flow direction.
As shown in Figure 3 and Figure 4, the invention provides a kind of making-up air device, this making-up air device comprises blowdown pipe 1, wherein, this making-up air device also comprises source of the gas distributing pipe 2, this source of the gas distributing pipe 2 is arranged on the inside of described blowdown pipe 1, and the closed at both ends of this source of the gas distributing pipe 2, the relative both sides of this source of the gas distributing pipe 2 are respectively arranged with air inlet 3 and a plurality of source of the gas dispensing orifice 4, the exterior of described air inlet 3 and described blowdown pipe 1, described a plurality of source of the gas dispensing orifice 4 is along the axial directional distribution of described source of the gas distributing pipe 2, and the axis of at least a portion source of the gas dispensing orifice 4 is parallel with the axis of described air inlet 3.
In use, air inlet 3 is usually located at the upside of source of the gas distributing pipe 2 to making-up air device provided by the invention, and source of the gas dispensing orifice 4 is usually located at the downside of source of the gas distributing pipe 2.
When making-up air device work provided by the invention, from the pump of storehouse, ash out flows along the direction shown in arrow A, gas enters in source of the gas distributing pipe 2 by air inlet 3 along the direction shown in arrow B, and flow out by the source of the gas dispensing orifice 4 on source of the gas distributing pipe 2, from source of the gas dispensing orifice 4 effluent airs, drive the ash blowdown pipe 1 to flow, thereby ash is played to fluidization.Due to the axial directional distribution of source of the gas dispensing orifice 4 along source of the gas distributing pipe 2, so can not produce annular whirlpool, the pressure of the gas spraying from source of the gas dispensing orifice 4 is comparatively even, the wearing and tearing of blowdown pipe 1 have been reduced, thereby prevented that making-up air device from grey phenomenon occurring to leak, avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to not needing often to change making-up air device, so reduced use cost.
In order to facilitate the fixing of source of the gas distributing pipe 2, preferably, described source of the gas distributing pipe 2 is fixed on described blowdown pipe 1.Source of the gas distributing pipe 2 can be fixed on blowdown pipe 1 by the mode of for example welding.
For convenient, arrange, preferably, the axis of described source of the gas distributing pipe 2 is parallel with the axis of described blowdown pipe 1.As selection, source of the gas distributing pipe 2 also can be obliquely installed a little with respect to blowdown pipe 1.
It is circular that the cross section of source of the gas distributing pipe 2 is generally.As selection, the cross section of source of the gas distributing pipe 2 can be also square or other shape.
For convenient, arrange, preferably, described source of the gas dispensing orifice 4 in a row arranges along the axial direction of described source of the gas distributing pipe 2, and wherein the axis of an exhaust source dispensing orifice 4 is parallel with the axis of described air inlet 3.
Directly by the source of the gas dispensing orifice relative with air inlet 34, flow out when preventing that gas is in entering source of the gas distributing pipe 2 by air inlet 3, thereby cause the loss of gas, preferably, described source of the gas dispensing orifice 4 is distributed in the both sides of described air inlet 3.
Source of the gas dispensing orifice 4 can be set to a row, also can be set to many rows.As shown in Figure 5, in order to improve fluid effect, preferably, described source of the gas dispensing orifice 4 is three rows, the both sides of an exhaust source dispensing orifice 4 wherein described in other two exhaust source dispensing orifices 4 are positioned at.Be positioned at wherein the aperture of two exhaust source dispensing orifices 4 of exhaust source dispensing orifice 4 both sides be conventionally less than described in the aperture of an exhaust source dispensing orifice 4 wherein.
Wherein the angle between the axis of an exhaust source dispensing orifice 4 and the axis of described other two exhaust source dispensing orifices 4 can suitably be selected, in order to obtain better fluid effect, preferably, the angle between the axis of a described wherein exhaust source dispensing orifice 4 and the axis of described other two exhaust source dispensing orifices 4 is 30 degree~45 degree.More preferably, described other two exhaust source dispensing orifices 4 are staggeredly arranged with a described wherein exhaust source dispensing orifice 4.
It is circular that described source of the gas dispensing orifice 4 is generally, and the diameter of this circle source of the gas dispensing orifice 4 can suitably be selected, and for example the diameter of circular source of the gas dispensing orifice 4 can be 3 millimeters~5 millimeters.
In addition,, in same exhaust source dispensing orifice 4, the spacing of adjacent two described source of the gas dispensing orifices 4 can be 30 millimeters~50 millimeters.
In order to facilitate source of the gas distributing pipe 2 to be connected with source of the gas, preferably, on described source of the gas distributing pipe 2, be provided with the air inlet pipe 5 communicating with described air inlet 3, this air inlet pipe 5 is stretched out from described blowdown pipe 1.Air inlet pipe 5 can be integrally formed with source of the gas distributing pipe 2, also can form respectively with source of the gas distributing pipe 2, and then the mode by welding connects.In addition, conventionally need sealing between air inlet pipe 5 and blowdown pipe 1, for example the encapsulant by various routines seals.It is circular that air inlet 3 is generally, and it is circular that the air inlet pipe 5 communicating with air inlet 3 is also generally.
In order to control easily the flow of gas, preferably, in described air inlet pipe 5, restricting orifice 6 is installed.The mounting means of restricting orifice 6 in air inlet pipe 5 is conventionally known to one of skill in the art, do not repeat them here.
In order to prevent that ash from flowing back in gas source pipe, preferably, in described air inlet pipe 5, check-valves 7 is installed, this check-valves 7 is positioned at the upstream of described restricting orifice 6.The mounting means of check-valves 7 in air inlet pipe 5 is conventionally known to one of skill in the art, do not repeat them here.
For convenient maintenance, preferably, in described air inlet pipe 5, switch valve 8 is installed, this switch valve 8 is positioned at the upstream of described check-valves 7.The mounting means of switch valve 8 in air inlet pipe 5 is conventionally known to one of skill in the art, do not repeat them here.
In order to facilitate the connection of blowdown pipe 1, the two ends of blowdown pipe 1 are provided with flange 13 conventionally.
In addition, the present invention also provides a kind of ash disposal system, this ash disposal system comprises storehouse pump, making-up air device and source of the gas, described making-up air device is arranged on described Cang Bengchukouchu, wherein, described making-up air device is making-up air device provided by the present invention, and one end of the blowdown pipe 1 of described making-up air device is connected with described storehouse pump, and the air inlet 3 of the source of the gas distributing pipe 2 of described making-up air device is connected with described source of the gas.
One end of blowdown pipe 1 can be connected with storehouse pump by flange 13, and the other end of blowdown pipe 1 can be connected to another one storehouse pump or be connected to grey storehouse by pipeline.
The air inlet 3 of the source of the gas distributing pipe 2 of making-up air device is connected with source of the gas, for example, by air inlet pipe 5, be connected with source of the gas.
The structure of storehouse pump and source of the gas is conventionally known to one of skill in the art, does not repeat them here.
Provide when the specific embodiment of the invention making-up air device work time, from the pump of storehouse, ash out flows along the direction shown in arrow A, gas enters in source of the gas distributing pipe 2 by air inlet pipe 5 along the direction shown in arrow B, and flow out by the source of the gas dispensing orifice 4 on source of the gas distributing pipe 2, from source of the gas dispensing orifice 4 effluent airs, drive the ash blowdown pipe 1 to flow, thereby ash is played to fluidization.Due to the axial directional distribution of source of the gas dispensing orifice 4 along source of the gas distributing pipe 2, so can not produce annular whirlpool, the pressure of the gas spraying from source of the gas dispensing orifice 4 is comparatively even, the wearing and tearing of blowdown pipe 1 have been reduced, thereby prevented that making-up air device from grey phenomenon occurring to leak, avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to not needing often to change making-up air device, so reduced use cost.And the making-up air device providing by the specific embodiment of the invention, can increase tonifying Qi region area, has disperseed the bleed pressure of concentrated tonifying Qi, in fluidisation ash conveying pipe, in ash, greatly alleviated gas washing away pipeline.Moreover, by making-up air device provided by the invention, can also reduce gas use amount.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (15)

1. a making-up air device, this making-up air device comprises blowdown pipe (1), it is characterized in that, this making-up air device also comprises source of the gas distributing pipe (2), this source of the gas distributing pipe (2) is arranged on the inside of described blowdown pipe (1), and the closed at both ends of this source of the gas distributing pipe (2), the relative both sides of this source of the gas distributing pipe (2) are respectively arranged with air inlet (3) and a plurality of source of the gas dispensing orifice (4), the exterior of described air inlet (3) and described blowdown pipe (1), described a plurality of source of the gas dispensing orifices (4) are along the axial directional distribution of described source of the gas distributing pipe (2), and the axis of at least a portion source of the gas dispensing orifice (4) is parallel with the axis of described air inlet (3).
2. making-up air device according to claim 1, is characterized in that, described source of the gas distributing pipe (2) is fixed on described blowdown pipe (1).
3. making-up air device according to claim 1, is characterized in that, the axis of described source of the gas distributing pipe (2) is parallel with the axis of described blowdown pipe (1).
4. making-up air device according to claim 3, it is characterized in that, described source of the gas dispensing orifice (4) in a row arranges along the axial direction of described source of the gas distributing pipe (2), and wherein the axis of an exhaust source dispensing orifice (4) is parallel with the axis of described air inlet (3).
5. making-up air device according to claim 4, is characterized in that, described source of the gas dispensing orifice (4) is distributed in the both sides of described air inlet (3).
6. making-up air device according to claim 5, is characterized in that, described source of the gas dispensing orifice (4) is three rows, the both sides of an exhaust source dispensing orifice (4) wherein described in other two exhaust source dispensing orifices (4) are positioned at.
7. making-up air device according to claim 6, is characterized in that, the angle between the axis of a described wherein exhaust source dispensing orifice (4) and the axis of described other two exhaust source dispensing orifices (4) is 30 degree~45 degree.
8. making-up air device according to claim 6, is characterized in that, described other two exhaust source dispensing orifices (4) are staggeredly arranged with a described wherein exhaust source dispensing orifice (4).
9. according to the making-up air device described in any one in claim 4 to 8, it is characterized in that, described source of the gas dispensing orifice (4) is circular, and the diameter of this circle source of the gas dispensing orifice (4) is 3 millimeters~5 millimeters.
10. making-up air device according to claim 9, is characterized in that, in same exhaust source dispensing orifice (4), the spacing of adjacent two described source of the gas dispensing orifices (4) is 30 millimeters~50 millimeters.
11. making-up air devices according to claim 1, is characterized in that, are provided with the air inlet pipe (5) communicating with described air inlet (3) on described source of the gas distributing pipe (2), and this air inlet pipe (5) is stretched out from described blowdown pipe (1).
12. making-up air devices according to claim 11, is characterized in that, restricting orifice (6) is installed in described air inlet pipe (5).
13. making-up air devices according to claim 12, is characterized in that, check-valves (7) is installed in described air inlet pipe (5), and this check-valves (7) is positioned at the upstream of described restricting orifice (6).
14. making-up air devices according to claim 13, is characterized in that, switch valve (8) is installed in described air inlet pipe (5), and this switch valve (8) is positioned at the upstream of described check-valves (7).
15. 1 kinds of ash disposal systems, this ash disposal system comprises storehouse pump, making-up air device and source of the gas, described making-up air device is arranged on described Cang Bengchukouchu, it is characterized in that, described making-up air device is according to the making-up air device described in any one in claim 1 to 14, one end of the blowdown pipe of described making-up air device (1) is connected with described storehouse pump, and the air inlet (3) of the source of the gas distributing pipe (2) of described making-up air device is connected with described source of the gas.
CN201110382199.5A 2011-11-25 2011-11-25 Gas supplementing device and ash removing system comprising same Active CN102380268B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110382199.5A CN102380268B (en) 2011-11-25 2011-11-25 Gas supplementing device and ash removing system comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110382199.5A CN102380268B (en) 2011-11-25 2011-11-25 Gas supplementing device and ash removing system comprising same

Publications (2)

Publication Number Publication Date
CN102380268A CN102380268A (en) 2012-03-21
CN102380268B true CN102380268B (en) 2014-04-02

Family

ID=45820348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110382199.5A Active CN102380268B (en) 2011-11-25 2011-11-25 Gas supplementing device and ash removing system comprising same

Country Status (1)

Country Link
CN (1) CN102380268B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2280899Y (en) * 1996-08-15 1998-05-06 黄德珠 Pressure sensor with automatic gas-complementing and gas-discharging device
WO1999051321A1 (en) * 1998-04-02 1999-10-14 Eusebio Moro Franco Device for cleaning the filtering elements of an industrial air filter
CN201353464Y (en) * 2008-11-10 2009-12-02 江苏亿金环保设备工程有限公司 Deduster blowing air tank structure
CN202387329U (en) * 2011-11-25 2012-08-22 中国神华能源股份有限公司 Air supply device and ash handling system with same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2280899Y (en) * 1996-08-15 1998-05-06 黄德珠 Pressure sensor with automatic gas-complementing and gas-discharging device
WO1999051321A1 (en) * 1998-04-02 1999-10-14 Eusebio Moro Franco Device for cleaning the filtering elements of an industrial air filter
CN201353464Y (en) * 2008-11-10 2009-12-02 江苏亿金环保设备工程有限公司 Deduster blowing air tank structure
CN202387329U (en) * 2011-11-25 2012-08-22 中国神华能源股份有限公司 Air supply device and ash handling system with same

Also Published As

Publication number Publication date
CN102380268A (en) 2012-03-21

Similar Documents

Publication Publication Date Title
JP2011190934A (en) Double plugging head for stopping pipe
JP5436248B2 (en) Low pressure air supply system
WO2018196479A1 (en) Pneumatic conveying feeder and transfer pipe connecting structure
CN102380268B (en) Gas supplementing device and ash removing system comprising same
CN202915049U (en) Energy dissipation ring pipe system of long-distance ore pulp pipe
CN202387329U (en) Air supply device and ash handling system with same
CN103939927A (en) Smoke duct and three-in-one collecting pipe thereof
BR112012013633A2 (en) distribution set for feeding a pelton turbine wheel (r) with water, and pelton turbine
CN205388202U (en) Air supply line is with dividing air cylinder
CN102980281A (en) Double-seal leak-tightness efficient air supply outlet
CN106799119A (en) A kind of topology layout of the ammonia uniform distribution device for flue denitration
CN102852604A (en) Urea injection device for tail gas denitration selective catalytic reduction (SCR) system of marine high-power diesel engine
CN111022696A (en) Combined cut-off device and pipeline provided with same
CN207364645U (en) A kind of Central oxygen-supply is with can at the uniform velocity oxygen supply type bus-bar
CN205101767U (en) Gas pipeline muffler
CN103836030B (en) A kind of current velocity controller
CN203962572U (en) A kind of current velocity controller
CN204895464U (en) Sand valve and sand spraying device
CN103968400A (en) Smoke duct and two-in-one converging pipe thereof
CN103183234A (en) Device for quickly handling pneumatic conveying blockage of cigarette filter bar material pipeline
KR20150072702A (en) A Vacuum Pump Ejector
CN105650389B (en) It is a kind of to supply balanced partial pressure cylinder
CN204656334U (en) Limestone slurry liquid supply system
CN202279988U (en) Steam heating pot for heating slurry congee
CN202852182U (en) Mesh sleeve type regulating valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant