CN107985505A - A kind of filter method of chemical tanker liquid pump filter protector - Google Patents
A kind of filter method of chemical tanker liquid pump filter protector Download PDFInfo
- Publication number
- CN107985505A CN107985505A CN201711393455.4A CN201711393455A CN107985505A CN 107985505 A CN107985505 A CN 107985505A CN 201711393455 A CN201711393455 A CN 201711393455A CN 107985505 A CN107985505 A CN 107985505A
- Authority
- CN
- China
- Prior art keywords
- plate
- liquid pump
- filter
- flanged
- tank
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 230000001012 protector Effects 0.000 title claims abstract description 30
- 239000000126 substance Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims description 34
- 238000002161 passivation Methods 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 12
- 239000010964 304L stainless steel Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 235000021110 pickles Nutrition 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 2
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention discloses a kind of filter method of chemical tanker liquid pump filter protector; the filter protector is included for the flanged plate being fixedly connected with the blank flange of liquid goods pipeline, the coaming plate being vertically fixed on flanged plate, the platform punching web plate being arranged on the inside of coaming plate and the reinforcing plate for being arranged at platform punching web plate both sides; multiple flange holes being uniformly distributed on its circumferencial direction are offered on the flanged plate, the reinforcing plate of the platform punching web plate both sides is set in mirror symmetry.The present invention can filter out residue present in liquid pump pipe-line system, improve the purity of solution in pipe-line system, the big residue of particle is avoided to enter liquid pump and cause killing for impeller, avoid the damage of liquid pump, reduce the impaired probability of liquid pump, the risk of economic loss is reduced, while the delay of thus caused ship building period can be evaded, in order to avoid cause the economic loss of bigger.
Description
Technical field
The present invention relates to the filtering technique of cargo tank liquid pump pipe-line system in Construction of Chemical Product Tanker, more particularly to one kind
The filter method of chemical tanker liquid pump filter protector.
Background technology
In building course, cargo tank needs to carry out acid wash passivation processing chemical tanker, to reach when loading chemical solvent
When cargo tank and cargo tank in equipment and outfititem surface do not corroded by chemical solvent.In cargo tank acid wash passivation, liquid pump
It is the capital equipment of acid wash passivation, it provides power for acid wash passivation.For such technological process, there are following deficiency
Part：
Firstth, because being attached with dirt in pipeline on tube wall before acid wash passivation, there are residue, dirt on each inner face of cargo tank,
Equipment and outfititem surface in cargo tank have the dirt carried in dirt and acid wash passivation solution, so in acid wash passivation
When, there is a large amount of residues, dirt in system；
Secondth, liquid pump is the capital equipment of acid wash passivation, it provides power for acid wash passivation, and the solution in acid wash passivation is through liquid
Goods pump circulation carries out acid wash passivation processing to equipment in cargo tank and cargo tank and outfititem surface, due in solution with
A large amount of residue, dirts, especially bulky residue flow through liquid pump, liquid pump impeller can be caused to kill, cause liquid pump
Damage；
3rd, each chemical tanker has multiple cargo tanks, multiple liquid pumps, because liquid pump damages, cause liquid pump overall or
The maintenance of its parts, replace, it will causes larger economic loss, and can cause the delay of ship building period, causes
The irremediable economic loss of bigger.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, designs a kind of chemical tanker liquid pump filter protector
Filter method.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of filter method of chemical tanker liquid pump filter protector, the filter protector include being used for and liquid goods pipe
Flanged plate that the blank flange on road is fixedly connected, the coaming plate being vertically fixed on flanged plate, the platform punching being arranged on the inside of coaming plate
Hole pattern plate and the reinforcing plate for being arranged at platform punching web plate both sides, the flanged plate both sides are symmetrically arranged with handle, flanged plate
On offer multiple flange holes being uniformly distributed on its circumferencial direction, the side of the platform punching web plate is separately fixed at method
On the inside of blue plate and coaming plate, the reinforcing plate of platform punching web plate both sides is set in mirror symmetry, the reinforcing plate and flanged plate peace
Platform punching web plate is arranged in a mutually vertical manner, and the two sides of reinforcing plate are separately fixed on flanged plate and platform punching net plate；
The filter method specifically includes following steps：
Step 1：First remove bolt and blank flange, the gasket seal positioned at right side are not removed；
Step 2：The blank flange of the filter protector and liquid goods pipeline is fixed up；
Specifically, flanged plate is close to the gasket seal on right side, then the gasket seal and blank flange in left side are installed again, passed through
Eight bolts are fixed；
Step 3：The filter protector is fixed to the end of liquid goods pipeline above deck, when the filter protector is pacified
After installing, by chemical tanker cargo tank and pipeline acid wash passivation system diagram connection other equipment, pipeline；
Step 4：Start liquid pump to extract acid solution out of cabin out, subsequent acid solution is flowed on tank washing machine and ventilative tower by four-way connection
Permeability cell, is sprayed onto at each nozzle of tank washing machine on the outfititem in six faces and cargo tank of cargo tank respectively, into
The processing of row acid wash passivation, last acid solution are back to the bilge and extract circulation out by liquid pump again；
Step 5：It is by liquid pump that acid pump to next target cabin, unlatching is peculiar to vessel after one cargo tank acid wash passivation
Tank washing system rinses liquid tank surface and below deck equipment and outfititem surface with low chlorine fresh water, and liquid pump and sweeping are used after cleaning
System stores tank washings uniform effluent to some cabin temporarily, dry cargo tank after cleaning；
Step 6：Defect is repaired, handles tank washings and pickle liquor；
Step 7：The filter protector is removed, liquefied cargo system pipeline is recovered as former state, it is residual on collecting platform punching web plate
Slag, cleans the filter protector, is put into appointed place storage.
Preferably, the platform punching web plate and reinforcing plate by 304L stainless steel plate punching net processing and fabricatings and
Into.
Preferably, the flanged plate is formed by 304L stainless steel plate processing and fabricatings.
Preferably, the coaming plate is half kidney-shaped plate being process by 304L stainless steel plates.
Preferably, the width of the coaming plate is less than the caliber of liquid goods pipeline, and length is more than the length of reinforcing plate.
Preferably, on the quantity in the flanged plate upper flange hole and its arrangement orientation and liquid goods pipeline blank flange
The quantity and arrangement orientation all same of flange hole.
Preferably, the outfititem includes liquid pump, washing of tanks machine support, handrail, ladder access, heating coil and stent.
The positive beneficial effect of the present invention：
1st, the filter method of chemical tanker liquid pump filter protector of the invention can be filtered out in liquid pump pipe-line system
Existing residue, improves the purity of solution in pipe-line system, avoids the big residue of particle from entering liquid pump and cause stinging for impeller
Extremely, the damage of liquid pump is avoided, the impaired probability of liquid pump is reduced, reduces the risk of economic loss, while can evade thus
The delay of caused ship building period, in order to avoid cause the economic loss of bigger.
2nd, filter protector is simple in structure, easy to use, can as long as following basic operation flow without carrying out special training
Filtering protection is carried out to liquid pump pipe-line system, and the device can repeatedly use, and make, use cost is low.Using containing
The cargo tank acid wash passivation processing mode of apparatus of the present invention, coordinates rational operating type, comparatively fast can preferably complete cargo tank
Acid wash passivation work.
Brief description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the left view of the present invention.
Fig. 4 is the structure diagram of liquid pump pipeline.
Fig. 5 is the scheme of installation of the present invention.
The concrete meaning of figure label is：1 is flanged plate, and 2 be reinforcing plate, and 3 be platform punching web plate, and 4 be coaming plate, and 5 are
Handle, 6 be liquid goods pipeline, and 7 be pipe end flange, and 8 be blank flange, and 9 be bolt, and 10 be gasket seal, and 11 be flange hole.
Embodiment
It is specific below by what is shown in attached drawing to make the object, technical solutions and advantages of the present invention of greater clarity
Embodiment describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit the model of the present invention
Enclose.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring the present invention's
Concept.
Illustrate present embodiment, the filtering side of chemical tanker liquid pump filter protector of the invention with reference to Fig. 1-Fig. 5
Method, is mainly used for carrying out filtering protection to the cargo tank liquid pump pipe-line system during Construction of Chemical Product Tanker, can filter out
Residue present in liquid pump pipe-line system, improves the purity of solution in pipe-line system, reduces the impaired probability of liquid pump, drop
The risk of low economic loss, while the delay of thus caused ship building period can be evaded, in order to avoid cause the economic damage of bigger
Lose.
Specifically, the chemical tanker liquid pump filter protector in the present invention, including the punching of flanged plate 1, coaming plate 4, platform
Hole pattern plate 3 and reinforcing plate 2.
The flanged plate 1 is used to be fixedly connected with the blank flange of liquid goods pipeline, and multiple uniform points are offered on flanged plate 1
The flange hole 11 being distributed on its circumferencial direction, quantity and its arrangement orientation and the method on liquid goods pipeline blank flange of flange hole 11
The quantity and arrangement orientation of flange aperture are identical.In the present embodiment, the flanged plate 1 is formed by 304L stainless steel plate processing and fabricatings,
8 flange holes are provided with flanged plate 1, this 8 flange holes are using the cross central line of flanged plate and longitudinal centre line as symmetry axis
It is symmetrical arranged.
The coaming plate 4 is vertically fixed on flanged plate 1, in the present embodiment, coaming plate 4 to be processed by 304L stainless steel plates and
Into half kidney-shaped plate, its width be less than liquid goods pipeline caliber, length be more than reinforcing plate length.Platform punching web plate 3 is set
In the inner side of coaming plate 4, the side of platform punching web plate 3 is separately fixed at flanged plate 1 and the inner side of coaming plate 4.The reinforcing plate 2 is two
Block, is respectively arranged at the both sides of platform punching web plate 3, and the reinforcing plate 2 of platform punching web plate both sides sets in mirror symmetry, strengthens
The two sides of plate 2 are separately fixed on flanged plate 1 and platform punching net plate 3.The reinforcing plate 2 and flanged plate 1 and platform punching
Web plate 3 is arranged in a mutually vertical manner, and platform punching web plate 3 and reinforcing plate 2 are formed by 304L stainless steel plate punching net processing and fabricatings.
, can be symmetrical on the flanged plate in order to be convenient for carrying the chemical tanker liquid pump filter protector of the present invention
Two handles 5 are set, the two handles are also process by 304L stainless steel plates.
During being filtered to cargo tank liquid pump pipe-line system, following operating procedure is specifically included：
Step 1：First remove bolt 9 and blank flange 8, the gasket seal 10 on right side are not removed.
Step 2：The present invention and the blank flange of liquid goods pipeline are fixed up.
Specifically, flanged plate 1 is close to the gasket seal 10 on right side, then the gasket seal 10 and blind plate in left side are installed again
Flange 8, is fixed by eight bolt pairs 9.The surrounding requirement of coaming plate 4 and the gap of the inner wall of liquid goods pipeline 6 cannot be excessive.
Step 3：The present invention is installed on liquid goods pipe ends more than deck, after the present invention installs, by chemical tanker liquid goods
Cabin and pipeline acid wash passivation system diagram connection relevant device, pipeline.
Step 4：Start liquid pump to extract acid solution out of cabin out, subsequent acid solution flows to tank washing machine by four-way connection and breathes freely
Permeability cell on tower, be sprayed onto respectively at each nozzle of tank washing machine cargo tank six faces and liquid pump, washing of tanks machine support,
On the outfititems such as handrail, ladder access, heating coil and stent, acid wash passivation processing is carried out, last acid solution is back to the bilge again by liquid
Goods pumped circulates.
Step 5：After one cargo tank acid wash passivation, by liquid pump by acid pump to next target cabin, open
Tank washing system peculiar to vessel rinses liquid tank surface and below deck equipment and outfititem surface with low chlorine fresh water, after cleaning with liquid pump and
Stripping system stores tank washings uniform effluent to some cabin temporarily, dry cargo tank after cleaning.
Step 6：Defect is repaired, handles tank washings and pickle liquor.
Step 7：Apparatus of the present invention are removed, liquefied cargo system pipeline is recovered as former state, it is residual on collecting platform punching web plate 3
Slag, cleans apparatus of the present invention, is put into appointed place storage.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that；Still
It can modify to the embodiment of the present invention or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution, it should all cover among the claimed technical solution scope of the present invention.
Claims (7)
- A kind of 1. filter method of chemical tanker liquid pump filter protector, it is characterised in that the filter protector bag Include the flanged plate for being fixedly connected with the blank flange of liquid goods pipeline（1）, the coaming plate that is vertically fixed on flanged plate（4）, set Put the platform punching web plate on the inside of coaming plate（3）And it is arranged at the reinforcing plate of platform punching web plate both sides（2）, the flanged plate （1）Both sides are symmetrically arranged with handle（5）, flanged plate（1）On offer multiple flange holes being uniformly distributed on its circumferencial direction （11）, the platform punching web plate（3）Side be separately fixed at flanged plate（1）And coaming plate（4）Inner side, platform punching web plate two The reinforcing plate of side（2）Set in mirror symmetry, the reinforcing plate（2）With flanged plate（1）With platform punching net plate（3）It is mutually perpendicular to Set, reinforcing plate（2）Two sides be separately fixed at flanged plate（1）With platform punching net plate（3）On；The filter method specifically includes following steps：Step 1：First remove bolt（9）And blank flange（8）, the gasket seal positioned at right side do not remove；Step 2：By the filter protector and the blank flange of liquid goods pipeline（8）It is fixed up；Specifically, flanged plate is made（1）It is close to the gasket seal on right side, then the gasket seal and blank flange in left side is installed again （8）, pass through eight bolts（9）It is fixed；Step 3：By the liquid goods pipeline of filter protector fixation above deck（6）End, when it is described filtering protection dress Put after installing, by chemical tanker cargo tank and pipeline acid wash passivation system diagram connection other equipment, pipeline；Step 4：Start liquid pump to extract acid solution out of cabin out, subsequent acid solution is flowed on tank washing machine and ventilative tower by four-way connection Permeability cell, is sprayed onto at each nozzle of tank washing machine on the outfititem in six faces and cargo tank of cargo tank respectively, into The processing of row acid wash passivation, last acid solution are back to the bilge and extract circulation out by liquid pump again；Step 5：It is by liquid pump that acid pump to next target cabin, unlatching is peculiar to vessel after one cargo tank acid wash passivation Tank washing system rinses liquid tank surface and below deck equipment and outfititem surface with low chlorine fresh water, and liquid pump and sweeping are used after cleaning System stores tank washings uniform effluent to some cabin temporarily, dry cargo tank after cleaning；Step 6：Defect is repaired, handles tank washings and pickle liquor；Step 7：The filter protector is removed, liquefied cargo system pipeline is recovered as former state, collecting platform punching web plate（3）On Residue, cleans the filter protector, is put into appointed place storage.
- 2. the filter method of chemical tanker liquid pump filter protector according to claim 1, it is characterised in that described Platform punching web plate（3）And reinforcing plate（2）Formed by 304L stainless steel plate punching net processing and fabricatings.
- 3. the filter method of chemical tanker liquid pump filter protector according to claim 1, it is characterised in that described Flanged plate（1）Formed by 304L stainless steel plate processing and fabricatings.
- 4. the filter method of chemical tanker liquid pump filter protector according to claim 1, it is characterised in that described Coaming plate（4）For half kidney-shaped plate being process by 304L stainless steel plates.
- 5. the filter method of chemical tanker liquid pump filter protector according to claim 4, it is characterised in that described Coaming plate（4）Width be less than liquid goods pipeline（6）Caliber, length is more than reinforcing plate（2）Length.
- 6. the filter method of chemical tanker liquid pump filter protector according to claim 1, it is characterised in that described The quantity and its arrangement orientation in flanged plate upper flange hole and the quantity of the flange hole on liquid goods pipeline blank flange and arrangement orientation All same.
- 7. the filter method of chemical tanker liquid pump filter protector according to claim 1, it is characterised in that described Outfititem includes liquid pump, washing of tanks machine support, handrail, ladder access, heating coil and stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393455.4A CN107985505A (en) | 2017-12-21 | 2017-12-21 | A kind of filter method of chemical tanker liquid pump filter protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393455.4A CN107985505A (en) | 2017-12-21 | 2017-12-21 | A kind of filter method of chemical tanker liquid pump filter protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107985505A true CN107985505A (en) | 2018-05-04 |
Family
ID=62039341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393455.4A Pending CN107985505A (en) | 2017-12-21 | 2017-12-21 | A kind of filter method of chemical tanker liquid pump filter protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985505A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326007A (en) * | 2001-05-01 | 2002-11-12 | Michihiro Oe | Device for preventing blockage of pump by solid material |
| CN201271539Y (en) * | 2008-09-05 | 2009-07-15 | 唐山钢铁股份有限公司 | Filtering equipment for protecting acid pump |
| CN102011133A (en) * | 2010-12-31 | 2011-04-13 | 中冶实久建设有限公司 | Circulating pickling device for pipeline |
| CN103693165A (en) * | 2013-12-20 | 2014-04-02 | 舟山市蓬莱船舶修造有限公司 | Manufacture method of chemicals independent cargo hold in hull |
| CN104087956A (en) * | 2014-07-22 | 2014-10-08 | 徐强 | Pickling passivation process of duplex stainless steel chemical tanker |
| KR20160055115A (en) * | 2016-04-28 | 2016-05-17 | 어업회사법인 주식회사 홍주산성 | Pottery |
-
2017
- 2017-12-21 CN CN201711393455.4A patent/CN107985505A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326007A (en) * | 2001-05-01 | 2002-11-12 | Michihiro Oe | Device for preventing blockage of pump by solid material |
| CN201271539Y (en) * | 2008-09-05 | 2009-07-15 | 唐山钢铁股份有限公司 | Filtering equipment for protecting acid pump |
| CN102011133A (en) * | 2010-12-31 | 2011-04-13 | 中冶实久建设有限公司 | Circulating pickling device for pipeline |
| CN103693165A (en) * | 2013-12-20 | 2014-04-02 | 舟山市蓬莱船舶修造有限公司 | Manufacture method of chemicals independent cargo hold in hull |
| CN104087956A (en) * | 2014-07-22 | 2014-10-08 | 徐强 | Pickling passivation process of duplex stainless steel chemical tanker |
| KR20160055115A (en) * | 2016-04-28 | 2016-05-17 | 어업회사법인 주식회사 홍주산성 | Pottery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |
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| RJ01 | Rejection of invention patent application after publication |