CN110039302A - A kind of marine diesel SCR reactor spray gun quick assembling process - Google Patents
A kind of marine diesel SCR reactor spray gun quick assembling process Download PDFInfo
- Publication number
- CN110039302A CN110039302A CN201910317955.2A CN201910317955A CN110039302A CN 110039302 A CN110039302 A CN 110039302A CN 201910317955 A CN201910317955 A CN 201910317955A CN 110039302 A CN110039302 A CN 110039302A
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- CN
- China
- Prior art keywords
- spray gun
- scr reactor
- mounting rack
- size
- assembly
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of marine diesel SCR reactor spray gun quick assembling processes, method is positioned after being fixedly connected with multiple spray guns by the mounting rack of matching SCR reactor design and is assembled on SCR reactor, make it possible to produce SCR reactor in batches, improve the accuracy of spray gun assembly relative dimensions, time needed for reducing assembly and artificial, the production cycle is shortened, production cost has been saved.
Description
Technical field
The invention belongs to diesel engine arts more particularly to a kind of marine diesel SCR reactor spray gun quick assembling techniques
Method.
Background technique
In marine diesel SCR device, core component is exactly reactor, between reactor shell outside and soot blower system
What connection was leaned on is exactly burner elements, and spray gun is typically distributed across reactor shell two sides, and quantity 10 to 25 are differed.Because of spray gun number
Measure it is more, and between each other size it is more demanding, thus the assembly work of spray gun is very in entire reactor manufacturing process
Important component part.The assembly of usual SCR reactor spray gun, it is common that primary assembly one, this method efficiency is very low, and
Difficulty is big, the mutual relative dimensions of spray gun after assembly it is difficult to ensure that, not only affected the quality of production of reactor, but also extend production
Period has been not suitable with the demand for development of current diesel SCR manufacture.
The information for being disclosed in the background technology part, which only refers to, is increasing understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of sprays of marine diesel SCR reactor
Rifle quick assembling process.
The purpose of the present invention is implemented with the following technical solutions:
A kind of marine diesel SCR reactor spray gun quick assembling process, method include the following steps:
1. measuring the line space and column pitch, spray gun peace between the quantity of the every row of spray gun and each column on SCR reactor, spray gun
Fill pore size, the size of the exposed flange of spray gun and the outer diameter of SCR reactor;
2. designing simultaneously fabrication and installation frame, according to step, 1. the spray gun quantity of the middle every row measured and line space determine mounting rack
Length dimension, according to step 1. in the spray gun quantity of each column that measures and column pitch determine the width degree size of mounting rack;Root
According to step 1. in the outer diameter of SCR reactor that measures determine the radian size of mounting rack;According to the step 1. middle spray measured
Rifle installation pore size and exposed flange size determine the position of aperture and size on mounting rack;Fabrication and installation frame;
3. spray gun is assembled on mounting rack, the exposed flange of spray gun is assembled to opening on mounting rack by bolt and nut
Hole;
It, will be on mounting rack after contraposition 4. lifting contraposition is aligned the mounting rack lifting with spray gun and with SCR reactor
Spray gun is assembled in the spray gun mounting hole opened up on the cylinder of SCR reactor;
5. spray gun fastens, the spray gun aligned in spray gun mounting hole and SCR reactor are fastenedly connected;
6. dismantling mounting rack, separate the exposed flange of spray gun with mounting rack by demounting bolt nut;
7. assembly is completed, mounting rack is hung into back station to be installed.
Preferably, step 5. in, spray gun is fastened by way of welding or being threadedly coupled.
Further, method further includes 8. step reviews fitted position.
Preferably, the method for fitted position is reviewed are as follows: according to the design drawing of SCR reactor, first review spray gun assembly
Horizontally-parallel size, then longitudinal vertical size of spray gun assembly is reviewed, finally review the exposed ruler from SCR reactor shell surface
It is very little, ensure that each is correct by the fitted position of the spray gun of mounting rack assembly with this.
Compared with prior art, the beneficial effects of the present invention are:
1, the newest assembly technique of SCR reactor spray gun is succeeded in developing, and is bulk assembly line production SCR reactor portion
Part is laid a solid foundation.
2, after the succeeding in developing of the newest assembly technique of SCR reactor spray gun, spray gun assembly relative dimensions are improved
Accuracy.
3, SCR reactor spray gun assembly technique of the invention, time needed for reducing assembly with manually, shorten
Production cycle has saved production cost.
Detailed description of the invention
Fig. 1 is SCR structure of reactor schematic diagram;
Fig. 2 is mounting rack structural schematic diagram;
Fig. 3 is that spray gun is assembled to the schematic diagram on mounting rack;
Fig. 4 is that mounting rack and spray gun are lifted the schematic diagram being connected on SCR reactor;
Fig. 5 is the connection schematic diagram of spray gun and SCR reactor after dismantling mounting rack.
In figure: 1, SCR reactor;11, spray gun mounting hole;12, cylinder;2, mounting rack;21, crossbeam;22, arc stringer;
23, aperture;3, spray gun.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1-Fig. 5, a kind of marine diesel SCR reactor spray gun quick assembling process, method includes as follows
Step:
1. measuring the line space and column pitch, spray gun between the quantity of the every row of spray gun 3 and each column on SCR reactor 1, spray gun
The outer diameter of the cylinder 12 of the size and SCR reactor of the exposed flange of the size of mounting hole 11, spray gun;
2. designing simultaneously fabrication and installation frame 2, according to step, 1. the spray gun quantity of the middle every row measured and line space determine installation
The length dimension of frame 2 has determined length, item number and its quantity of aperture above 23 of the crossbeam 21 of mounting rack 2, according to step
The spray gun quantity and column pitch of each column measured in 1. determine the width degree size of mounting rack, namely can determine that arc stringer 22
Size and item number;According to step 1. in measure SCR reactor outer diameter determine mounting rack radian size, i.e. arc indulge
The radian of beam 22;According to step, 1. middle 11 size of spray gun mounting hole measured and exposed flange size determine aperture on mounting rack 2
23 position and size;Fabrication and installation frame 2 is completed;
3. spray gun 3 is assembled on mounting rack 2, the exposed flange of spray gun 3 is assembled on mounting rack 2 by bolt and nut
Aperture 23;
4. lifting contraposition, the mounting rack 2 with spray gun 3 is lifted and is aligned with SCR reactor 1, by mounting rack 2 after contraposition
On spray gun 3 be assembled in the spray gun mounting hole 11 opened up on the cylinder of SCR reactor 1;
5. spray gun fastens, the spray gun 3 and SCR reactor 1 aligned in spray gun mounting hole 11 is fastenedly connected;
6. dismantling mounting rack 2, separate the exposed flange of spray gun 3 with mounting rack 2 by demounting bolt nut;
7. assembly is completed, mounting rack 2 is hung into back station to be installed.
Preferably, step 5. in, spray gun 3 is fastened by way of welding or being threadedly coupled.
Further, method further includes 8. step reviews fitted position.
Preferably, the method for fitted position is reviewed are as follows: according to the design drawing of SCR reactor 1, first review spray gun 3 and assemble
Horizontally-parallel size, then review longitudinal vertical size of the assembly of spray gun 3, finally review from the outer of 1 drum surface of SCR reactor
Reveal size, it is correct to ensure that each passes through the fitted position for the spray gun 3 that mounting rack 2 assembles with this.
This method is applicable not only to the SCR reactor of marine engine, the SCR reactor being also applied on other engines
Quick assembling.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (4)
1. a kind of marine diesel SCR reactor spray gun quick assembling process, which is characterized in that method includes following step
It is rapid:
1. measuring the line space and column pitch, spray gun mounting hole between the quantity of the every row of spray gun and each column on SCR reactor, spray gun
The size of the exposed flange of size, spray gun and the outer diameter of SCR reactor;
2. design and fabrication and installation frame, according to step 1. in the spray gun quantity of every row that measures and line space determine the length of mounting rack
Spend size, according to step 1. in the spray gun quantity of each column that measures and column pitch determine the width degree size of mounting rack;According to step
The outer diameter of the rapid 1. middle SCR reactor measured determines the radian size of mounting rack;According to step, 1. the middle spray gun measured is pacified
Dress pore size and exposed flange size determine the position of aperture and size on mounting rack;Fabrication and installation frame;
3. spray gun is assembled on mounting rack, the aperture exposed flange of spray gun being assembled to by bolt and nut on mounting rack;
4. lifting contraposition is aligned the mounting rack lifting with spray gun and with SCR reactor, by the spray gun on mounting rack after contraposition
It is assembled in the spray gun mounting hole opened up on the cylinder of SCR reactor;
5. spray gun fastens, the spray gun aligned in spray gun mounting hole and SCR reactor are fastenedly connected;
6. dismantling mounting rack, separate the exposed flange of spray gun with mounting rack by demounting bolt nut;
7. assembly is completed, mounting rack is hung into back station to be installed.
2. the method according to claim 1, wherein step 5. in, by way of welding or being threadedly coupled
Spray gun is fastened.
3. the method according to claim 1, wherein method further include: 8. review fitted position.
4. according to the method described in claim 3, it is characterized in that, the method for reviewing fitted position are as follows: according to SCR reactor
Design drawing, first review spray gun assembly horizontally-parallel size, then review spray gun assembly longitudinal vertical size, finally review from
The exposed size on SCR reactor shell surface ensures that each is correct by the fitted position of the spray gun of mounting rack assembly with this
It is errorless.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910317955.2A CN110039302A (en) | 2019-04-19 | 2019-04-19 | A kind of marine diesel SCR reactor spray gun quick assembling process |
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Application Number | Priority Date | Filing Date | Title |
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CN201910317955.2A CN110039302A (en) | 2019-04-19 | 2019-04-19 | A kind of marine diesel SCR reactor spray gun quick assembling process |
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CN110039302A true CN110039302A (en) | 2019-07-23 |
Family
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CN201910317955.2A Pending CN110039302A (en) | 2019-04-19 | 2019-04-19 | A kind of marine diesel SCR reactor spray gun quick assembling process |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262706A (en) * | 1992-06-09 | 1993-11-16 | Hollingsworth Lyndol W | Multifunctional power driven positioning tool system |
CN1207017A (en) * | 1997-07-28 | 1999-02-03 | 松下电器产业株式会社 | Spare parts supply device and method thereof |
CN2360205Y (en) * | 1998-09-30 | 2000-01-26 | 中国石化乌鲁木齐石油化工总厂 | Butt-connection positioning special tool for externally burning nozzle |
CN204771543U (en) * | 2015-08-10 | 2015-11-18 | 广西玉柴机器股份有限公司 | Supplementary assembly quality of hook is spouted in cooling of engine piston |
CN208262155U (en) * | 2018-01-19 | 2018-12-21 | 兰州兰石重型装备股份有限公司 | Multiple pipe connecting flanges assemble positioning tool |
-
2019
- 2019-04-19 CN CN201910317955.2A patent/CN110039302A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262706A (en) * | 1992-06-09 | 1993-11-16 | Hollingsworth Lyndol W | Multifunctional power driven positioning tool system |
CN1207017A (en) * | 1997-07-28 | 1999-02-03 | 松下电器产业株式会社 | Spare parts supply device and method thereof |
CN2360205Y (en) * | 1998-09-30 | 2000-01-26 | 中国石化乌鲁木齐石油化工总厂 | Butt-connection positioning special tool for externally burning nozzle |
CN204771543U (en) * | 2015-08-10 | 2015-11-18 | 广西玉柴机器股份有限公司 | Supplementary assembly quality of hook is spouted in cooling of engine piston |
CN208262155U (en) * | 2018-01-19 | 2018-12-21 | 兰州兰石重型装备股份有限公司 | Multiple pipe connecting flanges assemble positioning tool |
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Application publication date: 20190723 |