CN105569412A - Method for manufacturing and mounting nuclear power desalting water tank - Google Patents
Method for manufacturing and mounting nuclear power desalting water tank Download PDFInfo
- Publication number
- CN105569412A CN105569412A CN201610005676.9A CN201610005676A CN105569412A CN 105569412 A CN105569412 A CN 105569412A CN 201610005676 A CN201610005676 A CN 201610005676A CN 105569412 A CN105569412 A CN 105569412A
- Authority
- CN
- China
- Prior art keywords
- base plate
- welding
- layer
- water tank
- coverboard
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/04—Containers for fluids or gases; Supports therefor mainly of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for manufacturing and mounting a nuclear power desalting water tank. A method for assembling and forming the nuclear power desalting water tank comprises the following steps: assembling a part of top plates, and reserving unassembled top plate limbs so as to form a space in which an embracing bar lifting system is erected; erecting the embracing bar lifting system; welding, wherein a product can be lifted by the embracing bar lifting system; welding an N-1st layer of wall plates to form an N-1st layer of shell plates, performing full-length welding on the N-1st layer of shell plates with an Nth layer of shell plates, welding an N-2nd layer of wall plates to form an N-2n layer of shell plates, performing full-length welding on the N-2nd layer of shell plates with the N-1st layer of shell plates, repeating the operation, performing full-length welding from top to bottom in sequence till full-length welding of an N/2+1st layer of shell plates and a former layer of shell plates is completed. A buttress support method is adopted to mount the wall plates of the desalting water tank; operators can enter and go outside under the desalting water tank freely; by adoption of the method, no scaffold is needed in the mounting field, so that labor and materials for erecting the scaffold can be reduced, and the safety coefficient can be increased as operators can enter and go outside under the desalting water tank freely.
Description
Technical field
The present invention relates to Installation in Plant technical field, especially relate to the fabrication and installation method of the large-scale sweet-water tank of a kind of nuclear power plant condensed water precision processing system.
Background technology
Sweet-water tank and supporting water treatment system thereof can provide salt-free water to boiler, meet boiler replenishing water needs.For the sweet-water tank in certain nuclear power plant's condensed water precision processing system, this sweet-water tank weight can reach nearly 20 tons, volume 400m3, high nearly 10 meters.Wherein water tank wooden partition totally 6 layers, base plate is made up of six block plate joint welding, and top board is welded to form by 20 pieces of fan-shaped top boards, and on wallboard, threeply degree is 6mm, and lower threeply degree is 8mm, and base plate thickness is 8mm, and water tank material is 304L.
In prior art, in order to complete the installation of this sweet-water tank, need to set up scaffold at the scene; The water tank mismachining tolerance that order has been welded is large; Whole fabrication and installation are long in time limit, and manpower demand amount is large.It is more than the defect of prior art existence.
Summary of the invention
The object of the present invention is to provide a kind of fabrication and installation method of sweet-water tank, the method is without the need to setting up scaffold, personnel can free in and out below water tank, and have adjusted erection sequence, to meet the requirement that deflection is little, extend water tank application life, the technical scheme adopted is: a kind of fabrication and installation method of nuclear power sweet-water tank, comprising: 1) water tank is prefabricated; 2) assembled formation of water tank, described water tank comprises base plate, top board and the N layer wallboard between described base plate and top board, it is characterized in that: the assembled formation of described water tank comprises the following steps:
21) basis checks;
22) base plate is installed;
23) partial panels assembling, reserved unassembled top board limb is to form space, and this space is in order to setting up pole Lift-on/Lift-off System;
24) fence is installed;
25) form n-th layer coverboard after the welding of n-th layer wallboard, n-th layer coverboard welds with full weld between top board;
26) pole Lift-on/Lift-off System is set up;
27) by step 25) welding afterproduct promoted by described pole Lift-on/Lift-off System;
28) form N-1 layer coverboard after the welding of N-1 layer wallboard, N-1 layer coverboard is welded with full weld between n-th layer coverboard;
29) form N-2 layer coverboard by after the welding of N-2 layer wallboard, welded by N-2 layer coverboard, so repeat with full weld between N-1 layer coverboard, full weld welding successively, welds until complete N/2+1 layer coverboard with the full weld between the coverboard of upper strata from top to bottom;
210) on pole Lift-on/Lift-off System, Chain block is hung;
211) assembling of residue top board limb is completed;
212) continue to repeat step 29), until the 1st layer of coverboard full weld is welded on the 2nd layer of coverboard;
213) base plate vacuum test is carried out;
214) full weld welding between base plate the 1st layer of coverboard is completed; N is positive integer, and when N is odd number, N/2 carry rounds.
Technical characteristic of the present invention also has: step 22) described base plate installs and is specially: with installation shaft line coordinates initial point for the center of circle, according to base plate radius, basis marked base plate circumference, marks base plate according to typesetting figure and line of reference is installed;
According to label time prefabricated, base plate being led out by depositing field, checking that whether the anticorrosion situation of base plate soffit is intact, and clearing up base plate groove;
According to typesetting figure requirement, mark the position line at place, every block base plate long limit, general plate should be turned left by the right side and be carried out;
Base plate is laid according to base plate typesetting figure and installation reference line, turn left from the right side and carry out in laying direction, and on base plate, mark water tank cross centre line according to 0 on basis °, 90 ° of axis, and center is indicated clear, according to designing requirement adjustment base plate lap length and alignment clearance;
After base plate paving is good, namely available stainless steel fixture carries out temporary fixed, carries out spot welding, and remove fixture before this weld seam full weld to it;
Composition backing in advance before base plate welding;
Start welding under backing plate being placed on base plate, after the annular angle between base plate with foundation ring coverboard sows and is soldered into, then remove fixture spot welding, and finally complete the full weld between base plate.
Technical characteristic of the present invention also has: step 23) assembling of described partial panels is specially: centered by base plate center, mounting arch topmast support, support frame as described above comprises bracing ring and support column, described support column is steel pipe, described bracing ring is that ring steel plate or channel-section steel circle are made, and welds after described steel pipe is welded with supporting plate below with described base plate;
Mounting of roof plate is carried out according to top board typesetting figure and described top board limb label, be connecting form between adjacent top board limb, stainless steel jig card jail is first used before welding, again after overall inspection physical dimension, full weld symmetrically, reserved unassembled top board limb space after welding, to ensure that pole stretches into needs;
Continuous welding reinforcing rib on prefabricated profiled vault after welding, described reinforcing rib checks with arc model before welding, takes the measure preventing welding deformation in welding; Installation kit corner angle.
Technical characteristic of the present invention also has: the fabrication and installation method of described nuclear power sweet-water tank is further comprising the steps of:
3) vacuum leak hunting;
4) water tank overall dimensions checks;
5) installation of water tank annex;
6) stainless steel weld joint pickling Dunhua;
7) water filling test.
Technical characteristic of the present invention also has: described N is 6.
Beneficial effect of the present invention is: 1) this mounting method is simple to operate: sweet-water tank wallboard is installed and adopted buttress method for supporting, personnel can free in and out in below, after the method uses, in-site installation is without the need to setting up scaffold, reduce manpower and materials spent by scaffold building, personnel freely enter safety factor to be increased in bottom, and the adjustment of sweet-water tank fabrication and installation order, base plate first welds big foot position while welding, base plate lap position weld seam is first reserved not to be welded, by the time water tank wallboard and mounting of roof plate weld base plate after completing, this sequence construction reduces water tank deflection, extend water tank application life.
2) sweet-water tank mounting of roof plate order change, mounting of roof plate adopts and first installs, reserved six pieces of fanning strips (or reserved pole space) during mounting of roof plate, after water tank three layers of wallboard are installed, residue six pieces of top boards are installed, in-site installation height is low, and mounting of roof plate manpower demand amount is few, shortens the water tank fabrication and installation duration.
3) sweet-water tank wallboard is installed and is adopted level inverted order mounting method, in-site installation is successively installed to bottom according to high level, pole is fixed on sweet-water tank inside, adopt Chain block or electric block to hoist wallboard (fixed according to water tank capacity), the method reduces site operation scaffold building extra consumption manpower and materials.
4) sweet-water tank wallboard welding adjustment adopts self-control locating piece, locating piece is positioned between wainscot and lower wall panels, lower wall panels and buttress place adopt limited block spacing, and locating piece is combined with limited block, can reduce welding deformation amount between every layer, water tank wallboard by Chain block adjustment.
Accompanying drawing explanation
Accompanying drawing 1 is that base plate installs line of reference schematic diagram, and accompanying drawing 2 is base plate paving schematic diagrames, and accompanying drawing 3 is coverboard scheme of installations, and accompanying drawing 4 promotes framework schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.The invention discloses a kind of fabrication and installation method of nuclear power sweet-water tank, this fabrication and installation method comprises the following steps:
1) water tank is prefabricated;
2) assembled formation of water tank, described water tank comprises base plate, top board and the N layer wallboard between described base plate and top board;
21) basis checks;
22) base plate is installed:
With installation shaft line coordinates initial point for the center of circle, according to base plate radius, basis is marked base plate circumference, mark base plate according to typesetting figure and line of reference is installed;
According to label time prefabricated, base plate being led out by depositing field, checking that whether the anticorrosion situation of base plate soffit is intact, and clearing up base plate groove;
According to typesetting figure requirement, mark the position line at place, every block base plate long limit with slate pencil, general plate should be turned left by the right side and be carried out;
Base plate is laid according to base plate typesetting figure and installation reference line, turn left from the right side and carry out in laying direction, and on base plate, mark water tank cross centre line according to 0 on basis °, 90 ° of axis, and center is indicated clear, according to designing requirement adjustment base plate lap length and alignment clearance;
After base plate paving is good, namely available stainless steel fixture carries out temporary fixed to base plate, before this weld seam full weld, carry out spot welding to it, and some postwelding removes fixture;
Before former welding, weld 10 pieces of backing plates in advance;
Former lap width should meet drawing requirement;
Start welding under backing plate being placed on the former of composition base plate, after the annular angle between former with foundation ring coverboard sows and is soldered into, then remove fixture spot welding, and finally complete the full weld between base plate;
Former lap width should meet drawing requirement;
Other requirements such as oil tank weld gap illustrate see drawing.
23) assembling of partial panels and N layer coverboard:
Reserved unassembled top board limb is to form space, and this space is in order to setting up pole Lift-on/Lift-off System, and this water tank adopts reinforcement self-support type spherical vault, and top board is overlapped by fan-shaped top board and forms, and is specially:
Centered by base plate center, mounting arch topmast support, bracing frame comprises bracing ring and support column, and support column is steel pipe, and bracing ring is that ring steel plate or channel-section steel circle are made, and steel pipe welds with base plate after being welded with supporting plate below, and plate thickness is 10mm;
Mounting of roof plate is carried out according to water tank top board typesetting figure and top board limb label, be connecting form between adjacent top board limb, lap width allowable variation is ± 5mm, stainless steel jig card jail is first used before welding, again after overall inspection physical dimension, full weld symmetrically, reserved unassembled top board limb space after welding, to ensure that pole stretches into needs;
Continuous welding reinforcing rib on prefabricated profiled vault after welding, reinforcing rib checks with arc model before welding, takes the measure preventing welding deformation in welding;
During top board welding, first carry out inner green tea produced in Anhui Province overlap joint and see disconnected weldering, then weld outside green tea produced in Anhui Province top board weld seam, slit is by the outside backstep in center, and symmetry is carried out, and reserved symmetrical 6 pieces of limb spaces during the welding of water tank top board, to ensure that pole stretches into top board;
After the welding of water tank top board weld seam, should check, and be cleaned out by splash etc., temperature pier is disposed, and polishing is clean;
Central plate on vault wouldn't fill, and does ventilation use, and after main accessories installs, row is installed again, but realizes the steam vent on top board, upper manhole and soller position and carry out mark;
Installation kit corner angle: the installation carrying out top angle after mounting of roof plate, the docking form of top angle and the interface shape of weld seam should meet drawing requirement, correct when top angle is installed;
Before the assembling of N layer coverboard, first according to water tank wall shop drawings, prefabricated wallboard forming size is checked, qualified rear available;
With base plate center for the center of circle, with tank body R=4050mm (internal diameter) for radius, tank bottom draws coverboard and installs circumference, circumference internal diameter is as the criterion with coverboard internal diameter;
According to typesetting drawing requirement, install on circumference at coverboard and mark coverboard base point of installation, water tank bottom plate draws 0 °---90 ° of---180 °---270 °---360 ° of five positions, with 0 ° of position for reference point finds out the mounting points position that wallboard is arranged in 199.5 ° of first piece of wallboard (a) installation sites, then according to typesetting figure, b, c, d, e, f shell block of V6 layer is installed in turn;
During coverboard assembling, its assembly clearance should meet design drawing and code requirement.
24) fence is installed;
25) form n-th layer coverboard after the welding of n-th layer wallboard, n-th layer coverboard welds with full weld between top board;
26) set up pole Lift-on/Lift-off System: in the present embodiment, water tank weight is less than 19 tons, adopt the steel pipe of 6 Φ 159 × 16, long 1200mm as column, every post hangs a 5t Chain block, composition group pole;
On wallboard, the position temporary weld of corresponding pole hangs handle, and should be assumed unified command of by a people during lifting, six groups of poles will promote simultaneously, ensure each suspension centre uniform force;
After coverboard is sling, the Chain block at lower one deck coverboard reserved opening place is tightened up and spot welding position block, utilize position block to carry out spacing group to girth joint;
Weld circumferential weld after first longitudinal joint, reserve the survivor of a murder attempt and locate each about the 1m circumferential weld in both sides and wouldn't weld, between two survivors of a murder attempt in the middle of longitudinal joint and circumferential weld Ying Conggai district to survivor of a murder attempt direction, both sides successively order be grouping full weld;
The verticality allowable variation of each circle coverboard should not be greater than 0.4% of this circle coverboard height;
During combination with the end opening of top barrel for benchmark, at the inwall spot welding locating piece of barrel.Ensure alignment clearance with 3mm backing plate, simultaneously ceiling hammer regulates the verticality of barrel, regulates rear point and welds, and carries out full weld after qualified by inspection.Follow top lift to correct position layer 6.
27) by step 25) welding afterproduct promoted by pole Lift-on/Lift-off System;
28) form N-1 layer coverboard after the welding of N-1 layer wallboard, N-1 layer coverboard is welded with full weld between n-th layer coverboard;
29) form N-2 layer coverboard by after the welding of N-2 layer wallboard, welded by N-2 layer coverboard, so repeat with full weld between N-1 layer coverboard, full weld welding successively, welds until complete N/2+1 layer coverboard with the full weld between the coverboard of upper strata from top to bottom;
30) on pole Lift-on/Lift-off System, Chain block is hung;
31) assembling of residue top board limb is completed;
32) continue to repeat step 29), until the 1st layer of coverboard full weld is welded on the 2nd layer of coverboard;
33) base plate vacuum test is carried out;
34) complete full weld between base plate with the 1st layer of coverboard to weld:
1st layer of coverboard and base plate annular solder complete and after passed examination, weld, weld and carry out from center to edge the former of base plate.
N is positive integer, and when N is odd number, N/2 carry rounds.
Welding job at the bottom of tank all completes and after the assay was approved, carries out vacuum leakage test to all weld seams at the bottom of tank;
The foreign material of tank back welding seam annex are first removed, in order to avoid affect test mass before test;
Vacuum pump and vacuum tank respectively fill one piece of pressure meter, and test negative pressure value must not lower than 53KPa, and leakproof is qualified;
Being buckled in by vacuum tank scribbles on the welding bead of blowing agent, starts vacuum pump, observes welding bead surface and whether produces bubble, carry out mark if any bubble by clear glass on vacuum tank, and leak test again after repair welding, until qualified;
During vacuum leakage test, vacuum tank is withheld position at every turn and is wanted overlapping, and be sure not to leave over room, weld seam position is cleaned out, and observes and wants carefully conscientious, note the slight change of blowing agent;
After pass the test, should in time blowing agent be cleaned out.
3) vacuum leak hunting:
Welding job at the bottom of tank all completes and after the assay was approved, carries out vacuum leakage test to all weld seams at the bottom of tank;
The foreign material of tank back welding seam annex are first removed, in order to avoid affect test mass before test;
Vacuum pump and vacuum tank respectively fill one piece of pressure meter, and test negative pressure value must not lower than 53KPa, and leakproof is qualified;
Being buckled in by vacuum tank scribbles on the welding bead of blowing agent, starts vacuum pump, observes welding bead surface and whether produces bubble, carry out mark if any bubble by clear glass on vacuum tank, and leak test again after repair welding, until qualified;
During vacuum leakage test, vacuum tank is withheld position at every turn and is wanted overlapping, and be sure not to leave over room, weld seam position is cleaned out, and observes and wants carefully conscientious, note the slight change of blowing agent;
After pass the test, should in time blowing agent be cleaned out.
4) water tank overall dimensions checks:
After water tank tank skin assembly welding, geometry and size should meet following provisions:
The allowable variation of tank skin height, should not be greater than 0.5% of design height;
The allowable variation of tank skin vertical, should not be greater than 0.4% of tank skin height;
The local deformation of unevenness of tank skin and the allowable variation of bottom ring wall plate inner surface radius should meet the regulation of " steel welding non-pressure vessel " 15.3.3.3.2 article;
On the same section of housing maximum inner diameter and minimum interior diameter only poor, 1% of this design of section diameter should be not more than, and must not 30mm be greater than;
After tank back welding connects, the degree of depth of local deformation of unevenness, should not be greater than 2% of deformation length, and should not be greater than 50mm;
The local deformation of unevenness of tank deck, should adopt the inspection of arc model, gap must not be greater than 10mm.
5) installation of water tank annex:
First lower platform bracket is welded on water tank wall, then loads onto bottom platform framework, the cat ladder leading to ground is then installed, finally spreads flase floor and platform handrail.
Then the frame supported of top platform, cat ladder, grid and handrail is loaded.
Install the auxiliary such as outlet pipe, ventilation opening, side manhole of water tank, installation site is wanted accurately and is met the installation requirement of drawing.
6) stainless steel weld joint acid wash passivation:
Acid wash passivation object removes the surface contaminant particulate of Corrosion of Stainless Steel, makes metal surface generate anti-corrosion oxide layer simultaneously.Its main construction sequence comprises 4 parts: the clean surface needing Passivation Treatment; Smear acid wash passivation cream; Cleaning surface after passivation completes; The inspection of passivation effect.
7) water filling test:
First water tank internal cleaning is clean, water tank wall must not leave the temporary weld thing of installation and crator be polished clean level and smooth.
Review and validate water inlet pipe, outlet pipe connects, and outlet valve is closed, other pipes except air chimney, bleed off pipe are all with shutoff good (can use interim blind flange shutoff), and manhole bolt has been tightened and closed closely.
Now can open water intake valve, in water inlet process, people must not stand in blind flange and side manhole right opposite, and check have leakproof, when water level arrive cistern water level two/for the moment, 3/4ths time, water inlet should be suspended respectively, do Integratively inspection, confirm intact after continue again water inlet.
After water tank is full of, water level should be kept 48 hours, and beat tank wall weld seam gently with hand hammer, check wallboard leakproof, be without exceptionly deformed into qualified, find that leak source is painted pen and made lower mark, so that repair welding in the future.
Before the fabrication and installation of nuclear power sweet-water tank, also need to prepare basis, step is:
Base center position detection: use transit survey centre coordinate, and contrast with basic distance pole, judge whether to meet design attitude, determine direction and the size of water tank base center line deflection, centre deviation should meet design requirement;
Basis diameter and ovality inspection: centre mark on the post of base center, as center, take base radius as radius, check with cabinet or dish chi;
Oil mat should be done in water tank basis, and cushion thickness is 50mm, and outwards should there be the gradient at the center of bed course, and center exceeds 15mm-20mm than edge, and oil mat surface should be smooth, without protruding, swelling, cave in and through-wall crack.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited only to above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also belong to protection scope of the present invention.
Claims (5)
1. a fabrication and installation method for nuclear power sweet-water tank, comprising: 1) water tank is prefabricated; 2) assembled formation of water tank, described water tank comprises base plate, top board and the N layer wallboard between described base plate and top board, it is characterized in that: the assembled formation of described water tank comprises the following steps:
21) basis checks;
22) base plate is installed;
23) partial panels assembling, reserved unassembled top board limb is to form space, and this space is in order to setting up pole Lift-on/Lift-off System;
24) fence is installed;
25) form n-th layer coverboard after the welding of n-th layer wallboard, n-th layer coverboard welds with full weld between top board;
26) pole Lift-on/Lift-off System is set up;
27) by step 25) welding afterproduct promoted by described pole Lift-on/Lift-off System;
28) form N-1 layer coverboard after the welding of N-1 layer wallboard, N-1 layer coverboard is welded with full weld between n-th layer coverboard;
29) form N-2 layer coverboard by after the welding of N-2 layer wallboard, welded by N-2 layer coverboard, so repeat with full weld between N-1 layer coverboard, full weld welding successively, welds until complete N/2+1 layer coverboard with the full weld between the coverboard of upper strata from top to bottom;
210) on pole Lift-on/Lift-off System, Chain block is hung;
211) assembling of residue top board limb is completed;
212) continue to repeat step 29), until the 1st layer of coverboard full weld is welded on the 2nd layer of coverboard;
213) base plate vacuum test is carried out;
214) full weld welding between base plate the 1st layer of coverboard is completed;
N is positive integer, and when N is odd number, N/2 carry rounds.
2., according to the fabrication and installation method of nuclear power sweet-water tank according to claim 1, it is characterized in that: step 22) described base plate installs and is specially:
With installation shaft line coordinates initial point for the center of circle, according to base plate radius, basis is marked base plate circumference, mark base plate according to typesetting figure and line of reference is installed;
According to label time prefabricated, base plate being led out by depositing field, checking that whether the anticorrosion situation of base plate soffit is intact, and clearing up base plate groove;
According to typesetting figure requirement, mark the position line at place, every block base plate long limit, bed board should be turned left by the right side and be carried out;
Base plate is laid according to base plate typesetting figure and installation reference line, turn left from the right side and carry out in laying direction, and on base plate, mark water tank cross centre line according to 0 on basis °, 90 ° of axis, and center is indicated clear, according to designing requirement adjustment base plate lap length and alignment clearance; After base plate paving is good, namely available stainless steel fixture carries out temporary fixed, carries out spot welding, and remove fixture before this weld seam full weld to it;
Composition backing in advance before base plate welding;
Start welding under backing plate being placed on base plate, after the annular angle between base plate with foundation ring coverboard sows and is soldered into, then remove fixture spot welding, and finally complete the full weld between base plate.
3., according to the fabrication and installation method of nuclear power sweet-water tank according to claim 1, it is characterized in that: step 23) assembling of described partial panels is specially:
Centered by base plate center, mounting arch topmast support, support frame as described above comprises bracing ring and support column, and described support column is steel pipe, and described bracing ring is that ring steel plate or channel-section steel circle are made, and welds after described steel pipe is welded with supporting plate below with described base plate;
Mounting of roof plate is carried out according to top board typesetting figure and described top board limb label, be connecting form between adjacent top board limb, stainless steel jig card jail is first used before welding, again after overall inspection physical dimension, full weld symmetrically, reserved unassembled top board limb space after welding, to ensure that pole stretches into needs;
Continuous welding reinforcing rib on prefabricated profiled vault after welding, described reinforcing rib checks with arc model before welding, takes the measure preventing welding deformation in welding;
Installation kit corner angle.
4., according to the fabrication and installation method of nuclear power sweet-water tank according to claim 1, it is characterized in that: described in
The fabrication and installation method of nuclear power sweet-water tank is further comprising the steps of:
3) vacuum leak hunting;
4) water tank overall dimensions checks;
5) installation of water tank annex;
6) stainless steel weld joint pickling Dunhua;
7) water filling test.
5. according to the fabrication and installation method of nuclear power sweet-water tank according to claim 1, it is characterized in that: described N is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005676.9A CN105569412A (en) | 2016-01-05 | 2016-01-05 | Method for manufacturing and mounting nuclear power desalting water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005676.9A CN105569412A (en) | 2016-01-05 | 2016-01-05 | Method for manufacturing and mounting nuclear power desalting water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105569412A true CN105569412A (en) | 2016-05-11 |
Family
ID=55879982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610005676.9A Pending CN105569412A (en) | 2016-01-05 | 2016-01-05 | Method for manufacturing and mounting nuclear power desalting water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105569412A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678388A (en) * | 2018-05-05 | 2018-10-19 | 十四冶建设集团云南安装工程有限公司 | The short mast multiple spot integral hoisting construction engineering method of large capacity circle storage tank |
| CN111390502A (en) * | 2020-03-30 | 2020-07-10 | 河南中电工程咨询有限公司 | Inverted preparation construction method of large-section circular flue |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2261313C2 (en) * | 2003-09-30 | 2005-09-27 | ЗАО "Нефтемонтаждиагностика" | Method and device for cylindrical reservoir erection by top-down construction method |
| CA2336327C (en) * | 1998-07-02 | 2007-09-11 | Harold B.(Scott) Christian | Scaffoldless tank erection method |
| CN101858161A (en) * | 2010-07-13 | 2010-10-13 | 中国化学工程第四建设公司 | Construction method of low-temperature double-wall storage tanks |
| CN102605864A (en) * | 2012-03-23 | 2012-07-25 | 中石化第四建设有限公司 | Inverted construction method for doom-roof tank |
| CN103015781A (en) * | 2012-12-05 | 2013-04-03 | 中国化学工程第十三建设有限公司 | Method for top lift installation of inner tank and outer tank of double-wall storage tank |
-
2016
- 2016-01-05 CN CN201610005676.9A patent/CN105569412A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2336327C (en) * | 1998-07-02 | 2007-09-11 | Harold B.(Scott) Christian | Scaffoldless tank erection method |
| RU2261313C2 (en) * | 2003-09-30 | 2005-09-27 | ЗАО "Нефтемонтаждиагностика" | Method and device for cylindrical reservoir erection by top-down construction method |
| CN101858161A (en) * | 2010-07-13 | 2010-10-13 | 中国化学工程第四建设公司 | Construction method of low-temperature double-wall storage tanks |
| CN102605864A (en) * | 2012-03-23 | 2012-07-25 | 中石化第四建设有限公司 | Inverted construction method for doom-roof tank |
| CN103015781A (en) * | 2012-12-05 | 2013-04-03 | 中国化学工程第十三建设有限公司 | Method for top lift installation of inner tank and outer tank of double-wall storage tank |
Non-Patent Citations (1)
| Title |
|---|
| 胡丕英: "《大型钢制固定顶油罐倒装法施工技术》", 《山西建筑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678388A (en) * | 2018-05-05 | 2018-10-19 | 十四冶建设集团云南安装工程有限公司 | The short mast multiple spot integral hoisting construction engineering method of large capacity circle storage tank |
| CN111390502A (en) * | 2020-03-30 | 2020-07-10 | 河南中电工程咨询有限公司 | Inverted preparation construction method of large-section circular flue |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109614719B (en) | BIM technology-based refrigeration machine room assembly type construction method | |
| CN104843357B (en) | Tank of benzene hydrogenation engineering and manufacturing and mounting method thereof | |
| CN101126279B (en) | Silo slipform construction technique | |
| EP2547948B1 (en) | Cryogenic storage tank | |
| CN103015781B (en) | Method for top lift installation of inner tank and outer tank of double-wall storage tank | |
| CN101886401B (en) | Segmented assembly component of steel end housings of underwater tunnel immersed segment and construction method | |
| CN102235107B (en) | Hydraulic lifting construction method for chimney steel inner cylinder | |
| CN101858161B (en) | Construction method of low-temperature double-wall storage tanks | |
| CN110039217A (en) | A kind of upside-down mounting mode storage tank concentricity, ovality control construction method | |
| CN103669634B (en) | Construction method and the structure of after-pouring damping wall | |
| CN107545937A (en) | Nuclear power plant containment shell Leak-tight liner integral type link block structure and its installation method | |
| CN105569412A (en) | Method for manufacturing and mounting nuclear power desalting water tank | |
| CN114382505A (en) | Steel lining reinforcing method | |
| CN113062411B (en) | Ultra-large annular concrete stainless steel water tank and manufacturing method thereof | |
| CN210947010U (en) | Prefabricated interim fire control pond system | |
| CN109724411B (en) | Modular assembly method for radiation section of large-scale converter | |
| CN111706778B (en) | Construction method of dry type gas holder | |
| CN106969252A (en) | The rubber diaphragm sealed gas holder of unistage type of regular polygon thin oil seal gas holder reconstruction | |
| CN109967975B (en) | Method for building large floating access door | |
| CN203846750U (en) | Buoyancy lift and turnover type external scaffolding tooling device special for installation of gas holder | |
| CN206929551U (en) | The rubber diaphragm sealed gas holder of unistage type of regular polygon thin oil seal gas holder reconstruction | |
| CN110878589A (en) | Electric lifting reverse construction method for absorption tower | |
| CN213976724U (en) | Curtain cell cube track hoisting structure | |
| CN111794549B (en) | Construction method for lowering height and changing bottom of vertical storage tank | |
| WO2019024290A1 (en) | Method for building scaffold device in hyperboloidal linear cabin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |