CN105081772B - Sectional installation method for methanol pumps - Google Patents
Sectional installation method for methanol pumps Download PDFInfo
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- CN105081772B CN105081772B CN201510552121.1A CN201510552121A CN105081772B CN 105081772 B CN105081772 B CN 105081772B CN 201510552121 A CN201510552121 A CN 201510552121A CN 105081772 B CN105081772 B CN 105081772B
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- Prior art keywords
- methanol
- pump
- spacing ring
- methanol pump
- cushion block
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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, and in particular to a kind of methanol pump is segmented installation method.
Background technology
In recent years, the deep development with the mankind to marine resources, offshore drilling platform is more and more universal, and methanol is then
The necessary raw material of scientific experimentation is carried out on ocean platform.In order to stably to ocean platform conveying methanol, ocean platform is supplied
Ship is answered to be often equipped with exclusive methanol storage cabin and the first for being delivered to the methanol in methanol storage cabin on ocean platform
Alcohol pump.
In general, the handling system of the hazardous chemical such as methanol liquid goods adopts free-standing handling system mostly, i.e.,
Each cargo tank arranges a liquid pump, and sets independent deck transfer pipeline, and this design has best isolation performance.Liquid
Goods pump it is the most frequently used be hydraulic pressure immersed pump, so-called immersed pump, as the term suggests be exactly the pump that impeller is operated in below liquid level.Many institutes
Known, methanol 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
Painting is processed, and spy applies and typically forbids to get angry in operation rear deck room.And often for ensure installation effect, methanol pump be craft body into
Just installed after type, then the special painting operation for methanol cabin also has to be carried out after methanol pump installation, this
Just virtually extend building berth installation period.And after craft body molding, the every operation on ship is complicated, surrounding enviroment
It is relatively poor, also increase the difficulty of construction.In prior art, the wallboard in methanol cabin is designed as stainless steel by the ship also having
Matter, though special painting operation is eliminated, but the stainless cost in whole cabin is of a relatively high, is unfavorable for the drop of shipbuilding cost
It is low.The present invention is directed to problem above, based on common steel methanol cabin, there is provided a kind of to install methanol pump in the segmentation prepackage stage
Method.
The content of the invention
Present invention aims to the deficiencies in the prior art provide a kind of methanol pump is segmented installation method, by existing skill
The methanol pump installation procedure carried out in the building berth stage in art be advanced to segmentation the prepackage stage carry out, optimize shipbuilding operation,
Be conducive to greatly shortening berth period, and improve the working environment of methanol pump installation procedure, reduce difficulty of construction, favorably
In raising shipbuilding efficiency, reduces cost.
The present invention is achieved through the following technical solutions the purpose：
A kind of methanol pump is segmented installation method, comprises the following steps：
1) installing hole for lifting the pump housing seat stand of methanol pump and fixed methanol pump is opened up on methanol ceiling board, it is described
The size of installing hole need to guarantee that pump housing seat stand can be passed through；
2) position according to the installing hole and the degree of eccentricity of methanol pump, determine the suction of the pump head in the methanol bilge of methanol pump
It is shortlisted for the central point of well, using this central point as the anchor point at pump head center；
3) prepare for spacing bottom spacing ring being carried out to the pump head of methanol pump and for fixing the bottom spacing ring
Cushion block, by the center of circle of the anchor point annulus for welding the cushion block, the pre-welding of labelling cushion block on the annulus are drawn
Position, the diameter of the annulus is determined by the diameter of bottom spacing ring；
4) pre-determined bit cushion block, using level measurement and adjust cause cushion block it is identical with the levelness of methanol ceiling board, general
The bottom spacing ring is fixedly mounted on cushion block, on the inside of the bottom spacing ring it is uniform it is some for support methanol pump
Bracer；
5) methanol pump is hung in inside methanol cabin from the installing hole, until in the embedded bottom spacing ring of the pump head of methanol pump
Portion, and cause the total weight of the support blocks carry methanol pump；
6) using level measurement and adjust cause pump housing seat stand top board it is identical with the levelness of methanol ceiling board, adjust
Center of the pump housing seat stand in the installing hole, carries out pump housing seat stand and methanol ceiling board spot welding and fixes；
7) remove the support block, after checking the pump housing for confirming methanol pump without visible distortion and deformation, by pump housing seat stand with
Methanol ceiling board carries out full weld and fixes, and the cushion block is weldingly fixed on into suction and is enclosed on the base plate of well, completes the installation of methanol pump.
Further, in step 1) installing hole to open up before operation and also include cleaning process, specifically, by first to be installed
The boat segmental of alcohol pump is stood up to positive holding position, clears up the weldering that the suction of the pump head in methanol cabin for placing methanol pump is enclosed in well
Slag and iron filings.
Wherein, the methanol cabin is completely present in the boat segmental, is not separated by any adjacent boat segmental.
Wherein, the anchor point determines according to the position of installing hole and the degree of eccentricity of methanol pump itself, it is ensured that methanol pump exists
It is not distorted and deformation after installation.
Used as preferred, the quantity of the cushion block is two, and described two cushion blocks correspondences are installed on the two of bottom spacing ring
Side.
Used as preferred, the bottom spacing ring is connected by bolt with cushion block, is carried out at acid wash passivation after installation
Reason.
Used as preferred, the quantity of the support block is three, and three support blocks are mutually 120 ° of angles and are positioned over bottom
Portion spacing ring inner side, support block is not in contact with each other with bottom spacing ring.
Wherein, the step 5) in, the base plate top 100mm of well is enclosed in the pump head distance suction of methanol pump during hanging in
When, suspend the decentralization of methanol pump, finely tune the position of bottom spacing ring and support block, it is ensured that pump head is steadily embedded in the spacing ring of bottom
Portion, and make methanol pump total weight fall in the support block.
As preferred, during removing the support block, the bottom spacing ring 4 and cushion block are lifted first certain
Highly, then the support block of inner side removed.
Used as preferred, the welding sequence is welded and fixed using stainless steel electrode.
Relative to prior art, beneficial effects of the present invention are：The methanol pump segmentation installation method of the present invention, by existing skill
The methanol pump installation procedure carried out in the building berth stage in art be advanced to segmentation the prepackage stage carry out, optimize shipbuilding operation,
Be conducive to greatly shortening berth period, and improve the working environment of methanol pump installation procedure, reduce difficulty of construction, favorably
In raising shipbuilding efficiency, reduces cost.
Description of the drawings
Fig. 1 is the methanol pump segmentation scheme of installation of the present invention.
Fig. 2 is the mplifying structure schematic diagram in Fig. 1 at A.
Fig. 3 is the mplifying structure schematic diagram in Fig. 1 at B.
Fig. 4 is the structural representation of bottom spacing ring and support block.
In figure：1- methanol ceiling boards, 2- methanol pumps, 3- pump housing seat stands, 4- bottoms spacing ring, 5- cushion blocks, 6- bolts, 7- inhales
It is shortlisted for well, 8- base plates, 9- pump heads, 10- support blocks.
Specific embodiment
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) installing hole for lifting the pump housing seat stand 3 of methanol pump 2 and fixed methanol pump 2 is opened up on methanol ceiling board 1,
The size of the installing hole need to guarantee that pump housing seat stand 3 can be passed through；
2) position according to the installing hole and the degree of eccentricity of methanol pump 2, determine the pump head 9 of methanol pump 2 in the methanol bilge
Suction enclose the central point of well 7, using this central point as the anchor point at the center of pump head 9；
3) prepare for spacing bottom spacing ring 4 being carried out to the pump head 9 of methanol pump 2 and for fixing the bottom spacing ring
4 cushion block 5, by the center of circle of the anchor point annulus for welding the cushion block 5, the labelling cushion block 5 on the annulus are drawn
Pre-welding position, the diameter of the annulus is determined by the diameter of bottom spacing ring 4；
4) pre-determined bit cushion block 5, as shown in figure 4, using level measurement and adjusting so that cushion block 5 and methanol ceiling board 1
Levelness is identical, and the bottom spacing ring 4 is fixedly mounted on cushion block 5, in the uniform some use in the inner side of the bottom spacing ring 4
In the support block 10 for supporting methanol pump 2；
5) methanol pump 2 is hung in inside methanol cabin from the installing hole, until the pump head 9 of methanol pump 2 to be embedded in bottom spacing
Inside ring 4, and the support block 10 is caused to carry the total weight of methanol pump 2；
6) using level measurement and adjust cause pump housing seat stand 3 top board it is identical with the levelness of methanol ceiling board 1, tune
Center of the whole pump housing seat stand 3 in the installing hole, carries out pump housing seat stand 3 and methanol ceiling board 1 spot welding and fixes；
7) support block 10 is removed, after checking the pump housing for confirming methanol pump 2 without visible distortion and deformation, by pump housing seat stand
3 carry out full weld with methanol ceiling board 1 fixes, and the cushion block 5 is weldingly fixed on into suction and is enclosed on the base plate 8 of well 7, and foot welding height is not
Less than 10mm, the installation of methanol pump 2 is completed.
The methanol pump segmentation installation method of the present invention, the erector of methanol pump 2 that will be carried out in the building berth stage in prior art
Sequence is advanced to the segmentation prepackage stage to be carried out, and optimizes shipbuilding operation, is conducive to greatly shortening berth period, and improve
The working environment of the installation procedure of methanol pump 2, reduces difficulty of construction, is conducive to improving shipbuilding efficiency, reduces cost.
Wherein, the methanol cabin is completely present in the boat segmental, is not separated by any adjacent boat segmental, this kind of
It is designed with complete beneficial to making the methanol cabin reach fitting-out in the segmentation prepackage stage, it can be ensured that the boat segmental is pre- in segmentation
Special painting operation is directly carried out after dress stage fitting-out is complete, optimizes installation procedure, shorten the shipbuilding time, improve efficiency.
Wherein, the anchor point determines according to the position of installing hole and the degree of eccentricity of methanol pump 2 itself, it is ensured that methanol pump 2
It is not distorted after mounting and deformation, reduces vibration of the methanol pump 2 during use, is conducive to improving methanol pump 2
Service life.
Used as preferred, the quantity of the cushion block 5 is two, and the correspondence of described two cushion blocks 5 is installed on bottom spacing ring 4
Both sides, to bottom spacing ring 4 fixation is supported, it is ensured that the balance of bottom spacing ring 4, reaches good limit effect.
Used as preferred, the bottom spacing ring 4 is connected by bolt 6 with cushion block 5, and acid wash passivation is carried out after installation
Process, it is ensured that installation quality.
Used as preferred, the quantity of the support block 10 is three, and three support blocks 10 are mutually 120 ° of angles and place
In the inner side of bottom spacing ring 4, the balance for supporting methanol pump 2 is improve, support block 10 is not in contact with each other with bottom spacing ring 4, just
Being smoothed out for operation is removed in follow-up support block 10.
Wherein, the step 5) in, the pump head 9 of methanol pump 2 encloses the top of base plate 8 of well 7 apart from suction during hanging in
During 100mm, suspend the decentralization of methanol pump 2, finely tune the position of bottom spacing ring 4 and support block 10, it is ensured that pump head 9 is steadily embedded in bottom
Inside portion's spacing ring 4, and the total weight of methanol pump 2 is set to fall in the support block 10.
As preferred, during removing the support block 10, the bottom spacing ring 4 and cushion block 5 are lifted first
Certain altitude, then removes the support block 10 of inner side.
Used as preferred, the welding sequence is welded and fixed using stainless steel electrode, firm with guarantee to weld
Property.
Embodiment 2.
The present embodiment is with the difference of embodiment 1：In step 1) installing hole to open up before operation and also include fettler
Sequence, specifically, the boat segmental of methanol pump to be installed 2 is stood up to positive holding position, the welding slag cleared up in methanol cabin and iron filings etc.
Particulate matter, enclose particularly with suction is carried out without dead angle cleaning operation in well 7, it is ensured that installation quality.
Embodiment described above only expresses some embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of methanol pump is segmented installation method, it is characterised in that comprise the following steps：
1) installing hole for lifting the pump housing seat stand of methanol pump and fixed methanol pump, the installation are opened up on methanol ceiling board
The size in hole need to guarantee that pump housing seat stand can be passed through；
2) position according to the installing hole and the degree of eccentricity of methanol pump, the pump head for determining methanol pump encloses in the suction of the methanol bilge
The central point of well, using this central point as the anchor point at pump head center；
3) cushion block for carrying out spacing bottom spacing ring to the pump head of methanol pump and for fixing the bottom spacing ring is prepared,
Annulus for welding the cushion block is drawn by the center of circle of the anchor point, the pre-welding position of labelling cushion block on the annulus,
The diameter of the annulus is determined by the diameter of bottom spacing ring；
4) pre-determined bit cushion block, using level measurement and adjust cause cushion block it is identical with the levelness of methanol ceiling board, will be described
Bottom spacing ring is fixedly mounted on cushion block, uniform some supports for supporting methanol pump on the inside of the bottom spacing ring
Block；
5) methanol pump is hung in inside methanol cabin from the installing hole, until inside the embedded bottom spacing ring of the pump head of methanol pump,
And so that the total weight of the support blocks carry methanol pump；
6) using level measurement and adjust cause pump housing seat stand top board it is identical with the levelness of methanol ceiling board, adjustment the pump housing
Center of the seat stand in the installing hole, carries out pump housing seat stand and methanol ceiling board spot welding and fixes；
7) support block is removed, after checking the pump housing for confirming methanol pump without visible distortion and deformation, by pump housing seat stand and methanol
Ceiling board carries out full weld and fixes, and the cushion block is weldingly fixed on into suction and is enclosed on the base plate of well, completes the installation of methanol pump.
2. methanol pump according to claim 1 is segmented installation method, it is characterised in that in step 1) installing hole open up work
Also include cleaning process before sequence, specifically, the boat segmental of methanol pump to be installed is stood up to appropriate location, cleaning methanol cabin
Welding slag and iron filings in well are enclosed in the interior suction for placing the pump head of methanol pump.
3. methanol pump according to claim 2 is segmented installation method, it is characterised in that the methanol cabin is completely present in institute
Boat segmental is stated, is not separated by any adjacent boat segmental.
4. methanol pump according to claim 1 is segmented installation method, it is characterised in that the anchor point is according to installing hole
The degree of eccentricity of position and methanol pump itself determines, it is ensured that methanol pump is not distorted after mounting and deformation.
5. methanol pump according to claim 1 is segmented installation method, it is characterised in that the quantity of the cushion block is two,
Described two cushion block correspondences are installed on the both sides of bottom spacing ring.
6. methanol pump according to claim 5 is segmented installation method, it is characterised in that the bottom spacing ring passes through bolt
It is connected with cushion block, acid wash passivation process is carried out after installation.
7. methanol pump according to claim 1 is segmented installation method, it is characterised in that the quantity of the support block is three
Individual, three support blocks are mutually 120 ° of angles and are positioned over bottom spacing ring inner side, and support block is not in contact with each other with bottom spacing ring.
8. methanol pump according to claim 1 is segmented installation method, it is characterised in that the step 5) in, hang in process
Middle methanol pump pump head distance suction enclose well base plate top 100mm when, suspend methanol pump decentralization, fine setting bottom spacing ring and
The position of support block, it is ensured that pump head is steadily embedded in inside the spacing ring of bottom, and makes methanol pump total weight fall in the support block
On.
9. methanol pump according to claim 1 is segmented installation method, it is characterised in that remove the process of the support block
In, first the bottom spacing ring and cushion block are lifted into certain altitude, then the support block of inner side is removed.
10. the methanol pump according to claim 1-9 any one is segmented installation method, it is characterised in that the Welder
Sequence is welded and fixed using stainless steel electrode.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552121.1A CN105081772B (en) | 2015-09-01 | 2015-09-01 | Sectional installation method for methanol pumps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105081772A CN105081772A (en) | 2015-11-25 |
| CN105081772B true CN105081772B (en) | 2017-04-19 |
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ID=54563576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510552121.1A Active CN105081772B (en) | 2015-09-01 | 2015-09-01 | Sectional installation method for methanol pumps |
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| Country | Link |
|---|---|
| CN (1) | CN105081772B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6064853B2 (en) * | 2013-09-27 | 2017-01-25 | 株式会社デンソー | Joining method and joining apparatus |
| CN103673813B (en) * | 2013-12-04 | 2017-06-23 | 渤海造船厂集团有限公司 | A kind of cargo oil pump and turbine mounting and aligning method |
| CN104627318B (en) * | 2014-12-03 | 2017-03-22 | 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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| Publication number | Publication date |
|---|---|
| CN105081772A (en) | 2015-11-25 |
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