CN207762539U - What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate - Google Patents
What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate Download PDFInfo
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- CN207762539U CN207762539U CN201721878307.7U CN201721878307U CN207762539U CN 207762539 U CN207762539 U CN 207762539U CN 201721878307 U CN201721878307 U CN 201721878307U CN 207762539 U CN207762539 U CN 207762539U
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Abstract
What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate.Traditional taking over needs scribing line and prebored hole, boring and milling kidney slot, and the multiple adjustment of needs, centering, fixed nozzle orientation and angle one by one, time and effort consuming on molding take over when processing waist-shaped hole.The utility model composition includes expansion steel plate（1）, the expansion steel plate is interior to have multiple rows of kidney slot（2）Four quadrant lines of demarcation I, II, III, IV are set on the expansion steel plate successively, after the expansion steel plate, which rolls into, to be taken over, four quadrant lines of demarcation divide distribution equally by arc length such as take over axial cross section clockwise directions, quadrant line of demarcation III passes through the long axis of multiple rows of kidney slot intermediate row kidney slot, one end setting longitudinal joint of the expansion steel plate to reserve groove（3）, after the expansion steel plate, which rolls into, to be taken over, it is take over longitudinal joint position that longitudinal joint, which reserves groove,.The utility model is applied to the making that power station oxygen-eliminating device HP heater drainage device kidney slot is taken over.
Description
Technical field：
The utility model is related to what a kind of power station oxygen-eliminating device HP heater drainage device kidney slot was taken over to roll steel plate.
Background technology：
For a long time, power station single-cylinder type or integral type oxygen-eliminating device（Abbreviation oxygen-eliminating device）Take over internals in HP heater drainage device
No matter usual seamless steel pipe or steel plate are rolled and are taken over（Referred to as take over）All be designed with column-row arrangement size be long axis 200~
The big kidney slot of 248 mm, 36~48 mm of short axle or so are as vapor channel, and hole count is up to tens, kidney slot roughness requirements
Ra25~12.5, take over hole wall are parallel to each other, need to cross and prebored hole, boring and milling kidney slot one by one on molding take over, and
Need multiple adjustment, centering, fixed nozzle orientation and angle, time and effort consuming.219~650 mm of tube diameter, thickness 8~25
Mm, 1500~4000mm of length.Lead to power station oxygen-eliminating device HP heater drainage device kidney slot take over low production efficiency, manufacturing expense
Greatly, deficiency in economic performance, design structure and manufacturing technology fall behind.
Utility model content：
In order to overcome the above problem of the existing technology, it is high that the purpose of this utility model is to provide a kind of power station oxygen-eliminating device
Add what steam trap connection kidney slot took over to roll steel plate.
Above-mentioned purpose is realized by following technical scheme：
What a kind of power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate, and composition includes：Exhibition to be rolled
Steel plate is opened, there is multiple rows of kidney slot in the expansion steel plate, four quadrant lines of demarcation are set successively on the expansion steel plate
I, II, III, IV, after the expansion steel plate, which rolls into, to be taken over, four quadrant lines of demarcation are square clockwise by take over axial cross section
To etc. arc length divide distribution equally, quadrant line of demarcation III passes through the long axis of multiple rows of kidney slot intermediate row kidney slot, the expansion steel
The both ends setting longitudinal joint of plate reserves groove, and after the expansion steel plate, which rolls into, to be taken over, it is take over longitudinal joint that longitudinal joint, which reserves groove,
Position, take over longitudinal joint, which is located relative to quadrant line of demarcation I, to be deviateed clockwise at -45 ° to 45 ° of position, so that it is determined that
The position that groove is reserved in steel plate upper quadrant line of demarcation I relative to the longitudinal joint is unfolded.
The beneficial effects of the utility model：
1. previous seamless steel pipe is improved to roll and be taken over by the utility model, steel pipe buying expenses are saved, steel is given full play to
The convenient, flexible property that coiled sheet system is taken over；And will take over hole wall design structure innovation parallel to each other be optimized for taking over hole wall it is mutual
The design structure tilted will draw a hole line, machine hole process optimization added to be improved to the number holes on the steel plate blank taken over taking over
Gas cutting kidney-shaped fundamentally reduces labor intensity, improves production efficiency and economic benefit.When kidney-shaped pore size is bigger, quantity more
More, the effect for reducing labor intensity, raising production efficiency and economic benefit of the utility model is more notable.
The utility model has saved stainless-steel seamless pipe purchase cost and cutter loss, has simplified manufacturing process, saves
Processes such as " drawing kidney slot line, clamping fixes workpiece and adjustment, bore hole, polishing burr ", manufacture the working hour taken over be 95 hours/
2（About 0.5 ten thousand yuan of total manufacturing expense）, it will be apparent that improve production efficiency and economic benefit.
Due to steel plate before rolling comparatively dense ground partially perforation, surface of steel plate aperture area regional area is discontinuous, meeting
It is a large amount of hole edge steel plate bending difficulty occur, the problems such as straight flange occur, therefore to solve this problem, taking over for the utility model is vertical
Seam position is set as clockwise deviateing relative to quadrant line of demarcation I at 12 ° of position, greatly reduces hole edge steel plate bending
It is difficult, there is the probability of the problems such as straight flange, will only take forcing press locally to press to ensure to roll to take over molding and meet and set
Meter and requirement.
Description of the drawings：
Attached drawing 1 is the expanded view for waiting rolling into the expansion steel plate taken over that the utility model completes kidney-shaped hole machined.In figure,
1 is expansion steel plate, and 2 be kidney slot, and 3 stay retaining wall on slope surplus for longitudinal joint.
Attached drawing 2 is according to the sectional view taken over made of the utility model production method.
Attached drawing 3 is 2 axial view of attached drawing.It is chequered with black and white in the lower half annulus taken in figure, black portions representative profile,
It is kidney slot to be clipped in the white portion among two black portions, and 4 be longitudinal joint.
Specific implementation mode：
Embodiment 1：
What a kind of power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate, and composition includes：Exhibition to be rolled
Steel plate is opened, there is multiple rows of kidney slot in the expansion steel plate, four quadrant lines of demarcation are set successively on the expansion steel plate
I, II, III, IV, after the expansion steel plate, which rolls into, to be taken over, four quadrant lines of demarcation are square clockwise by take over axial cross section
To etc. arc length divide distribution equally, quadrant line of demarcation III passes through the long axis of multiple rows of kidney slot intermediate row kidney slot, the expansion steel
The both ends setting longitudinal joint of plate reserves groove, and after the expansion steel plate, which rolls into, to be taken over, it is take over longitudinal joint that longitudinal joint, which reserves groove,
Position, take over longitudinal joint, which is located relative to quadrant line of demarcation I, to be deviateed clockwise at -45 ° to 45 ° of position, so that it is determined that
The position that groove is reserved in steel plate upper quadrant line of demarcation I relative to the longitudinal joint is unfolded.
Embodiment 2：
The production method that above-mentioned power station oxygen-eliminating device HP heater drainage device kidney slot is taken over will wait rolling into the expansion steel taken over
Plate digital controlling plasma gas cutting, cuts out whole kidney slots, and setting longitudinal joint stays retaining wall on slope on one side or both sides of expansion steel plate
Then surplus carries out following steps successively：Correction steel plate → processing longitudinal joint groove → forcing press pre-bending → veneer reeling machine edge rolling → vertical
Stitch welding equipment longitudinal joint at groove → veneer reeling machine school circle；
The axial cross section taken over will be rolled into and be divided into four quadrants, set four quadrant boundary successively in the direction of the clock
Line I, II, III, IV, wherein quadrant line of demarcation III pass through the long axis of multiple rows of kidney slot intermediate row kidney slot, take over longitudinal joint to be located at
Deviate clockwise relative to quadrant line of demarcation I at 12 ° of position, kidney slot roughness is Ra50, and steel is unfolded in take over longitudinal joint
Plate is unfolded by central diameter expanded view from longitudinal joint；Kidney slot hole wall is parallel to each other on steel plate tablet；Roll kidney slot on rear tube
Both sides hole wall is not parallel mutually.In axial, cross-sectional view attached drawing 3, the central axes angle of adjacent two rows waist-shaped hole is 22 degree.Longitudinal joint
It is expansion steel plate side with a slope to stay retaining wall on slope surplus.
Embodiment 3：
The production method that power station oxygen-eliminating device HP heater drainage device kidney slot according to embodiment 2 is taken over, due to steel plate
Partially perforation, surface of steel plate aperture area regional area are discontinuous before rolling, in fact it could happen that hole edge steel plate bending is difficult, goes out
It the problems such as existing straight flange, needs, according to true form size and technology evaluation, to take forcing press locally to press, change longitudinal joint orientation skill
Art measure is solved, it is ensured that is rolled take over molding and is met design and use requirement；When tube diameter is smaller, wall thickness is thicker and nothing
When method is molded using veneer reeling machine, using double longitudinal joint compression mouldings.
Embodiment 4：
Steel is unfolded in the production method that power station oxygen-eliminating device HP heater drainage device kidney slot according to embodiment 2 or 3 is taken over
Plate shape and take over kidney slot are disposably machined, using the blanking together simultaneously of the flat digital controlled plasma gas cutting of steel plate to spy
The different kidney slot 3 for having higher roughness requirements cuts hole+number in advance on steel plate tablet using numerical control boring-mill work or numerical control gas cutting
Control the method processing of boring-mill work；When connecting pipe length is too long, and 2 sections or more is needed to splice, take over need by spliced map segmentation by
Above-mentioned production method processing, assembling.
Embodiment 5：
The production method that power station oxygen-eliminating device HP heater drainage device kidney slot according to embodiment 2 or 3 or 4 is taken over, connects
Pipe steel plate is started to carry out expansion arrangement, take over kidney slot or steel plate waist according to kidney slot orientation angles by longitudinal joint by central diameter expanded view
It is unlimited and have rule in ranks by the utility model in rectangular region that shape hole roughness is typically no less than Ra50, general quantity
Rule arrangement；Steel plate shape and take over kidney slot or steel plate kidney slot are same using the flat digital controlled gas cutting of steel plate or digital controlling plasma gas cutting
Shi Yiqi blankings can also use numerical control boring-mill work to the special kidney slot for having higher roughness requirements on steel plate tablet
Or numerical control gas cutting（Including plasma gas cutting）The pre- method processing for cutting hole+numerical control boring-mill work；When connecting pipe length is too long, 2 are needed
More than section when splicing, takes over and need to design by the utility model by spliced map segmentation, manufacture, assemble.It takes over and typically rolls
Molding；When tube diameter is smaller, wall thickness is thicker to use roll-forming, double longitudinal joint compression mouldings can also be used.
For specific one making case：Take over φ 610 × 16, quantity 2,1800 mm of length, using stainless steel without
Steel pipe is stitched, it is mutually equal to take over kidney slot hole wall by 248 mm short axles of long axis, 48 mm axial directions kidney slot 20, circular hole d16 mono-
Row, kidney slot roughness Ra 12.5.
It needs taking over upper mechanical processing kidney slot according to original design, take over technical process is：Stainless steel jointless steel
610 × 16 blankings of pipe φ → draw four center lines, kidney slot line, circular hole line → clamping fixation workpiece and adjustment → preboring kidney slot two
End circular hole → boring kidney slot → brill d16 circular holes → polishing burr → wait for general assembly.
To improve production efficiency, reducing stainless-steel seamless pipe purchase cost and processing charges, reduction cutter consumption, take over
The manufacturing method that the utility model can be used is processed making, and in the case where meeting design, requirement, kidney slot is taken over
Major design structure change is：
1, material is rolled using stainless-steel sheet；
2, increase a take over longitudinal joint, determine that longitudinal joint orientation angles are 12 °；
3, increase take over steel plate by central diameter expanded view, steel plate blank dimension 1800mm × 1866mm, take over steel plate is by central diameter
Expanded view is started to spread out from weld seam；Kidney slot hole wall is parallel to each other on steel plate tablet；Meanwhile it taking over kidney slot hole wall and being changed to mutually
It is mutually not parallel；
4, it reduces kidney slot roughness and is changed to Ra50, convenient for using digital controlling plasma gas cutting.
According to utility model, steel plate rolls take over technical process and is：1800mm × 1866mm steel plate digital controlling plasmas
Program cutting stock, and cut out whole kidney slots, longitudinal joint stay retaining wall on slope surplus → correction steel plate → processing indulge circumferential weld groove →
Forcing press pre-bending → veneer reeling machine edge rolling → welding equipment longitudinal joint → veneer reeling machine school circle.
Since partially perforation, surface of steel plate aperture area regional area are discontinuous before rolling for steel plate, in fact it could happen that hole
Side steel plate bending is difficult, the problems such as straight flange occurs, needs, according to true form size and technology evaluation, to take forcing press partial points
The special techniques measures such as pressure, change longitudinal joint orientation are solved, it is ensured that are rolled take over molding and met design and use requirement.When connecing
Pipe diameter is smaller, wall thickness is thicker and when can not use veneer reeling machine molding, double longitudinal joint compression mouldings can also be used.
It can be seen that the utility model creation has saved stainless-steel seamless pipe purchase cost and cutter loss, has simplified manufacture work
Skill saves processes working hours 95 hours/2 such as " drawing kidney slot line, clamping fixes workpiece and adjustment, bore hole, polishing burr "（It closes
Count about 0.5 ten thousand yuan of manufacturing expense）, it will be apparent that improve production efficiency and economic benefit.
Claims (1)
1. what a kind of power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate, composition includes：Expansion to be rolled
Steel plate, it is characterized in that：There is multiple rows of kidney slot in the expansion steel plate, four quadrants are set successively on the expansion steel plate
Line of demarcation I, II, III, IV, after the expansion steel plate, which rolls into, to be taken over, four quadrant lines of demarcation are suitable by take over axial cross section
The arc length such as clockwise divide distribution equally, and quadrant line of demarcation III passes through the center line of cloth bore region, the both ends of the expansion steel plate
Longitudinal joint is set and reserves groove, after the expansion steel plate, which rolls into, to be taken over, it is take over longitudinal joint position that longitudinal joint, which reserves groove, is taken over
Longitudinal joint is located relative to quadrant line of demarcation I deviates clockwise at -45 ° to 45 ° of position, so that it is determined that on expansion steel plate
The position of groove is reserved relative to the longitudinal joint in quadrant line of demarcation I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878307.7U CN207762539U (en) | 2017-12-28 | 2017-12-28 | What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878307.7U CN207762539U (en) | 2017-12-28 | 2017-12-28 | What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate |
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| Publication Number | Publication Date |
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| CN207762539U true CN207762539U (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721878307.7U Active CN207762539U (en) | 2017-12-28 | 2017-12-28 | What power station oxygen-eliminating device HP heater drainage device kidney slot was taken over rolls steel plate |
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| Country | Link |
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| CN (1) | CN207762539U (en) |
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2017
- 2017-12-28 CN CN201721878307.7U patent/CN207762539U/en active Active
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