CN105081772A - Sectional installation method for methanol pumps - Google Patents
Sectional installation method for methanol pumps Download PDFInfo
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- CN105081772A CN105081772A CN201510552121.1A CN201510552121A CN105081772A CN 105081772 A CN105081772 A CN 105081772A CN 201510552121 A CN201510552121 A CN 201510552121A CN 105081772 A CN105081772 A CN 105081772A
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- Prior art keywords
- pump
- methanol pump
- methanol
- spacing ring
- methyl alcohol
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- 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
- B23P21/002—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 the units stationary whilst being composed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of installation of ship equipment, in particular to a sectional installation method for methanol pumps. A methanol pump installation process performed in the shipway stage in the prior art is brought forward to be performed in the sectional pre-installation stage, and accordingly manufacturing processes of ships are optimized, and the shipway period can be shortened greatly; besides, the operation environment of the methanol pump installation process is improved, the construction difficulty is reduced, the ship manufacturing efficiency is improved, and the cost is reduced.
Description
Technical field
The present invention relates to marine installation mounting technique field, be specifically related to a kind of methanol pump segmentation installation method.
Background technology
In recent years, along with the mankind are to the deep development of marine resources, offshore drilling platform is more and more general, and methyl alcohol is then necessary raw material ocean platform carrying out scientific experimentation.In order to stably carry methyl alcohol to ocean platform, offshore platform supply vessel is often equipped with exclusive methanol storage cabin and the methanol pump being used for being delivered to by the methyl alcohol in methanol storage cabin on ocean platform.
In general, the handling system of the hazardous chemical liquid goods such as such as methyl alcohol adopts free-standing handling system mostly, and namely each cargo tank arranges a liquid pump, and establishes independently deck transfer pipeline, and this design has best isolation performance.Namely what liquid pump was the most frequently used is hydraulic pressure immersed pump, so-called immersed pump, as the term suggests the pump being exactly impeller is operated in below liquid level.As everyone knows, methyl alcohol is a kind of highly volatile and inflammable colourless transparent liquid, and the cabin of loading vessel methanol solution goods needs to carry out spy and is coated with process, generally forbids to get angry in the special operation rear deck indoor that are coated with.And often for ensureing to install effect, methanol pump is just installed craft body is shaping after, being so coated with operation for the spy in methyl alcohol cabin and also must carrying out after methanol pump installation, this just extends building berth installation period virtually.And after craft body is shaping, the every operation on ship is complicated, and surrounding enviroment are relatively poor, too increase the difficulty of construction.In prior art, the wallboard in methyl alcohol cabin is designed to stainless steel by the boats and ships also had, though eliminate special painting operation, but the stainless cost in whole cabin is but relatively high, is unfavorable for the reduction of shipbuilding cost.The present invention is directed to above problem, based on common steel methyl alcohol cabin, provide a kind of method of installing methanol pump in the segmentation prepackage stage.
Summary of the invention
The object of the invention is to provide a kind of methanol pump segmentation installation method for the deficiencies in the prior art, the methanol pump installation procedure carried out in the building berth stage in prior art is advanced to segmentation prepackage the stage carry out, optimize shipbuilding operation, be conducive to greatly shortening berth period, and improve the operating environment of methanol pump installation procedure, reduce difficulty of construction, be conducive to improving shipbuilding efficiency, reduce costs.
The present invention is achieved through the following technical solutions this object:
A kind of methanol pump segmentation installation method, comprises the following steps:
1) on methyl alcohol ceiling board, offer the installing hole of the pump housing seat stand for lifting methanol pump and fixing methanol pump, the size of described installing hole need guarantee that pump housing seat stand can pass through smoothly;
2) according to the position of described installing hole and the degree of eccentricity of methanol pump, determine that the pump head of methanol pump encloses the central point of well in the suction of the methyl alcohol bilge, the anchor point using this central point as pump head center;
3) prepare to be used for carrying out spacing bottom spacing ring and the cushion block for fixing spacing ring bottom this to the pump head of methanol pump, with described anchor point for the center of circle draws annulus for welding described cushion block, this annulus marks the pre-welding position of cushion block, and the diameter of described annulus is determined by the diameter of bottom spacing ring;
4) pre-determined bit cushion block, utilizes level measurement and adjustment makes cushion block identical with the levelness of methyl alcohol ceiling board, is fixedly mounted on cushion block, uniform some back-up blocks for supporting methanol pump inside the spacing ring of described bottom by described bottom spacing ring;
5) methanol pump is hung in methyl alcohol cabin from described installing hole inner, until the pump head of methanol pump embeds spacing ring inside, bottom, and make the total weight of described support blocks carry methanol pump;
6) utilizing level measurement and adjusting makes the top board of pump housing seat stand identical with the levelness of methyl alcohol ceiling board, and adjustment pump housing seat stand is in the center of described installing hole, pump housing seat stand and methyl alcohol ceiling board is carried out spot welding and fixes;
7) remove described back-up block, check and confirm that the pump housing of methanol pump is without after visible distortion and deformation, carries out full weld by pump housing seat stand and methyl alcohol ceiling board and fixes, described cushion block is weldingly fixed on suck and encloses on the base plate of well, complete the installation of methanol pump.
Further, in step 1) installing hole offer operation before also comprise cleaning process, concrete, the boat segmental of methanol pump to be installed is stood up to positive holding position, in cleaning methyl alcohol cabin, enclose welding slag in well and iron filings for the suction of the pump head placing methanol pump.
Wherein, described methyl alcohol cabin is complete is present in described boat segmental, is not separated by any adjacent boat segmental.
Wherein, described anchor point is determined according to the degree of eccentricity of the position of installing hole and methanol pump self, guarantees that methanol pump is not distorted and deformation after mounting.
As preferably, the quantity of described cushion block is two, and described two cushion blocks correspondence is installed on the both sides of bottom spacing ring.
As preferably, described bottom spacing ring is connected with cushion block by bolt, carries out acid wash passivation process after installation.
As preferably, the quantity of described back-up block is three, and described three back-up blocks are mutually 120 ° of angles and are positioned over inside the spacing ring of bottom, and back-up block and bottom spacing ring are not in contact with each other.
Wherein, described step 5) in, the pump head distance hanging in methanol pump in process suck enclose well base plate above 100mm time, suspend transferring of methanol pump, the position of fine setting bottom spacing ring and back-up block, guarantee that pump head steadily embeds bottom spacing ring inner, and methanol pump total weight is dropped on described back-up block.
As preferably, remove in the process of described back-up block, first described bottom spacing ring 4 and cushion block are promoted certain altitude, then the back-up block of inner side is removed.
As preferably, described welding sequence all adopts stainless steel electrode to be welded and fixed.
Relative to prior art, beneficial effect of the present invention is: methanol pump segmentation installation method of the present invention, the methanol pump installation procedure carried out in the building berth stage in prior art is advanced to segmentation prepackage the stage carry out, optimize shipbuilding operation, be conducive to greatly shortening berth period, and improve the operating environment of methanol pump installation procedure, reduce difficulty of construction, be conducive to improving shipbuilding efficiency, reduce costs.
Accompanying drawing explanation
Fig. 1 is methanol pump segmentation scheme of installation of the present invention.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram at B place in Fig. 1.
Fig. 4 is the structural representation of bottom spacing ring and back-up block.
In figure: 1-methyl alcohol ceiling board, 2-methanol pump, 3-pump housing seat stand, spacing ring bottom 4-, 5-cushion block, 6-bolt, 7-sucks and encloses well, 8-base plate, 9-pump head, 10-back-up block.
Detailed description of the invention
Describe the present invention below in conjunction with drawings and the specific embodiments.
Embodiment 1.
As Figure 1-3, the methanol pump segmentation installation method of the present embodiment, comprises the following steps:
1) on methyl alcohol ceiling board 1, offer the installing hole of the pump housing seat stand 3 for lifting methanol pump 2 and fixing methanol pump 2, the size of described installing hole need guarantee that pump housing seat stand 3 can pass through smoothly;
2) according to the position of described installing hole and the degree of eccentricity of methanol pump 2, determine that the pump head 9 of methanol pump 2 encloses the central point of well 7 in the suction of the methyl alcohol bilge, the anchor point using this central point as pump head 9 center;
3) prepare to be used for carrying out spacing bottom spacing ring 4 and the cushion block 5 for fixing spacing ring 4 bottom this to the pump head 9 of methanol pump 2, with described anchor point for the center of circle draws annulus for welding described cushion block 5, this annulus marks the pre-welding position of cushion block 5, and the diameter of described annulus is determined by the diameter of bottom spacing ring 4;
4) pre-determined bit cushion block 5, as shown in Figure 4, utilizing level measurement and adjusting makes cushion block 5 identical with the levelness of methyl alcohol ceiling board 1, is fixedly mounted on cushion block 5, uniform some back-up blocks 10 for supporting methanol pump 2 inside described bottom spacing ring 4 by described bottom spacing ring 4;
5) methanol pump 2 is hung in methyl alcohol cabin from described installing hole inner, until the pump head 9 of methanol pump 2 embeds spacing ring 4 inside, bottom, and make described back-up block 10 carry the total weight of methanol pump 2;
6) utilizing level measurement and adjusting makes the top board of pump housing seat stand 3 identical with the levelness of methyl alcohol ceiling board 1, and adjustment pump housing seat stand 3 is in the center of described installing hole, pump housing seat stand 3 and methyl alcohol ceiling board 1 is carried out spot welding and fixes;
7) described back-up block 10 is removed, check and confirm that the pump housing of methanol pump 2 is without after visible distortion and deformation, carries out full weld by pump housing seat stand 3 and methyl alcohol ceiling board 1 and fixes, described cushion block 5 is weldingly fixed on suck and encloses on the base plate 8 of well 7, foot welding height is not less than 10mm, completes the installation of methanol pump 2.
Methanol pump segmentation installation method of the present invention, methanol pump 2 installation procedure carried out in the building berth stage in prior art is advanced to segmentation prepackage the stage carry out, optimize shipbuilding operation, be conducive to greatly shortening berth period, and improve the operating environment of methanol pump 2 installation procedure, reduce difficulty of construction, be conducive to improving shipbuilding efficiency, reduce costs.
Wherein, described methyl alcohol cabin is complete is present in described boat segmental, do not separated by any adjacent boat segmental, this kind is designed with and is beneficial in the segmentation prepackage stage that to make described methyl alcohol cabin reach fitting-out complete, can guarantee described boat segmental segmentation prepackage stage fitting-out complete rear directly carry out spy painting operation, optimize installation procedure, shorten the shipbuilding time, raise the efficiency.
Wherein, described anchor point is determined according to the degree of eccentricity of the position of installing hole and methanol pump 2 self, guarantees that methanol pump 2 is not distorted and deformation after mounting, reduces the vibration of methanol pump 2 in the process used, and is conducive to the service life of improving methanol pump 2.
As preferably, the quantity of described cushion block 5 is two, and described two cushion block 5 correspondences are installed on the both sides of bottom spacing ring 4, and carry out to bottom spacing ring 4 supports and fix, bottom ensureing, the balance of spacing ring 4, reaches good limit effect.
As preferably, described bottom spacing ring 4 is connected with cushion block 5 by bolt 6, carries out acid wash passivation process after installation, ensures installation quality.
As preferably, the quantity of described back-up block 10 is three, described three back-up blocks 10 are mutually 120 ° of angles and are positioned over inside the spacing ring 4 of bottom, improve the balance supporting methanol pump 2, back-up block 10 and bottom spacing ring 4 are not in contact with each other, and what be convenient to follow-up back-up block 10 removes carrying out smoothly of operation.
Wherein, described step 5) in, the pump head 9 hanging in methanol pump 2 in process apart from suck enclose well 7 base plate 8 above 100mm time, suspend transferring of methanol pump 2, the position of fine setting bottom spacing ring 4 and back-up block 10, guarantee that pump head 9 steadily embeds bottom spacing ring 4 inner, and methanol pump 2 total weight is dropped on described back-up block 10.
As preferably, remove in the process of described back-up block 10, first described bottom spacing ring 4 and cushion block 5 are promoted certain altitude, then the back-up block 10 of inner side is removed.
As preferably, described welding sequence all adopts stainless steel electrode to be welded and fixed, to guarantee the steadiness welded.
Embodiment 2.
The difference of the present embodiment and embodiment 1 is: in step 1) installing hole offer operation before also comprise cleaning process, concrete, the boat segmental of methanol pump 2 to be installed is stood up to positive holding position, the particles such as the welding slag in cleaning methyl alcohol cabin and iron filings, especially enclosing in well 7 for suction carries out without dead angle cleaning operation, ensures installation quality.
The above embodiment only have expressed some embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a methanol pump segmentation installation method, is characterized in that, comprises the following steps:
1) on methyl alcohol ceiling board, offer the installing hole of the pump housing seat stand for lifting methanol pump and fixing methanol pump, the size of described installing hole need guarantee that pump housing seat stand can pass through smoothly;
2) according to the position of described installing hole and the degree of eccentricity of methanol pump, determine that the pump head of methanol pump encloses the central point of well in the suction of the methyl alcohol bilge, the anchor point using this central point as pump head center;
3) prepare to be used for carrying out spacing bottom spacing ring and the cushion block for fixing spacing ring bottom this to the pump head of methanol pump, with described anchor point for the center of circle draws annulus for welding described cushion block, this annulus marks the pre-welding position of cushion block, and the diameter of described annulus is determined by the diameter of bottom spacing ring;
4) pre-determined bit cushion block, utilizes level measurement and adjustment makes cushion block identical with the levelness of methyl alcohol ceiling board, is fixedly mounted on cushion block, uniform some back-up blocks for supporting methanol pump inside the spacing ring of described bottom by described bottom spacing ring;
5) methanol pump is hung in methyl alcohol cabin from described installing hole inner, until the pump head of methanol pump embeds spacing ring inside, bottom, and make the total weight of described support blocks carry methanol pump;
6) utilizing level measurement and adjusting makes the top board of pump housing seat stand identical with the levelness of methyl alcohol ceiling board, and adjustment pump housing seat stand is in the center of described installing hole, pump housing seat stand and methyl alcohol ceiling board is carried out spot welding and fixes;
7) remove described back-up block, check and confirm that the pump housing of methanol pump is without after visible distortion and deformation, carries out full weld by pump housing seat stand and methyl alcohol ceiling board and fixes, described cushion block is weldingly fixed on suck and encloses on the base plate of well, complete the installation of methanol pump.
2. methanol pump segmentation installation method according to claim 1, it is characterized in that, in step 1) installing hole offer operation before also comprise cleaning process, concrete, the boat segmental of methanol pump to be installed is stood up to positive holding position, in cleaning methyl alcohol cabin, enclose welding slag in well and iron filings for the suction of the pump head placing methanol pump.
3. methanol pump segmentation installation method according to claim 2, is characterized in that, described methyl alcohol cabin is complete is present in described boat segmental, is not separated by any adjacent boat segmental.
4. methanol pump segmentation installation method according to claim 1, is characterized in that, described anchor point is determined according to the degree of eccentricity of the position of installing hole and methanol pump self, guarantees that methanol pump is not distorted and deformation after mounting.
5. methanol pump segmentation installation method according to claim 1, is characterized in that, the quantity of described cushion block is two, and described two cushion blocks correspondence is installed on the both sides of bottom spacing ring.
6. methanol pump segmentation installation method according to claim 5, is characterized in that, described bottom spacing ring is connected with cushion block by bolt, carries out acid wash passivation process after installation.
7. methanol pump segmentation installation method according to claim 1, is characterized in that, the quantity of described back-up block is three, and described three back-up blocks are mutually 120 ° of angles and are positioned over inside the spacing ring of bottom, and back-up block and bottom spacing ring are not in contact with each other.
8. methanol pump segmentation installation method according to claim 1, it is characterized in that, described step 5) in, the pump head distance hanging in methanol pump in process suck enclose well base plate above 100mm time, suspend transferring of methanol pump, the position of fine setting bottom spacing ring and back-up block, guarantees that pump head steadily embeds bottom spacing ring inner, and methanol pump total weight is dropped on described back-up block.
9. methanol pump segmentation installation method according to claim 1, is characterized in that, removes in the process of described back-up block, first described bottom spacing ring and cushion block is promoted certain altitude, is then removed by the back-up block of inner side.
10. the methanol pump segmentation installation method according to claim 1-9 any one, is characterized in that, described welding sequence all adopts stainless steel electrode to be welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552121.1A CN105081772B (en) | 2015-09-01 | 2015-09-01 | Sectional installation method for methanol pumps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552121.1A CN105081772B (en) | 2015-09-01 | 2015-09-01 | Sectional installation method for methanol pumps |
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| Publication Number | Publication Date |
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| CN105081772A true CN105081772A (en) | 2015-11-25 |
| CN105081772B CN105081772B (en) | 2017-04-19 |
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| CN201510552121.1A Active CN105081772B (en) | 2015-09-01 | 2015-09-01 | Sectional installation method for methanol pumps |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044108A (en) * | 2021-12-14 | 2022-02-15 | 武昌船舶重工集团有限公司 | Marine ballast pump positioning and mounting method |
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| CN104210620A (en) * | 2014-09-29 | 2014-12-17 | 上海江南长兴重工有限责任公司 | Mounting method for fluid container deep-well pump |
| JP2015066573A (en) * | 2013-09-27 | 2015-04-13 | 株式会社デンソー | Joining method and joining device |
| CN104627318A (en) * | 2014-12-03 | 2015-05-20 | 大连船舶重工集团有限公司 | Deep-well pump installation method suitable for ballast tank coating protection requirements |
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2015
- 2015-09-01 CN CN201510552121.1A patent/CN105081772B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015066573A (en) * | 2013-09-27 | 2015-04-13 | 株式会社デンソー | Joining method and joining device |
| CN103673813A (en) * | 2013-12-04 | 2014-03-26 | 渤海造船厂集团有限公司 | Cargo oil pump and turbine mounting and aligning method |
| CN104210620A (en) * | 2014-09-29 | 2014-12-17 | 上海江南长兴重工有限责任公司 | Mounting method for fluid container deep-well pump |
| CN104627318A (en) * | 2014-12-03 | 2015-05-20 | 大连船舶重工集团有限公司 | Deep-well pump installation method suitable for ballast tank coating protection requirements |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044108A (en) * | 2021-12-14 | 2022-02-15 | 武昌船舶重工集团有限公司 | Marine ballast pump positioning and mounting method |
| CN114044108B (en) * | 2021-12-14 | 2022-08-23 | 武昌船舶重工集团有限公司 | Marine ballast pump positioning and mounting method |
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| Publication number | Publication date |
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| CN105081772B (en) | 2017-04-19 |
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