CN219473040U - Large-scale titanium abnormal shape tee bend and axial-flow pump - Google Patents
Large-scale titanium abnormal shape tee bend and axial-flow pump Download PDFInfo
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- CN219473040U CN219473040U CN202223506356.1U CN202223506356U CN219473040U CN 219473040 U CN219473040 U CN 219473040U CN 202223506356 U CN202223506356 U CN 202223506356U CN 219473040 U CN219473040 U CN 219473040U
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Abstract
The utility model provides a large-sized titanium special-shaped tee joint and a titanium axial flow pump, which are used in the fields of sea water desalination, ships and oil gas transportation, wherein a numerical control ultrahigh pressure water cutting machine is adopted to cut a titanium plate, a plate bending machine and a forming die are utilized to respectively roll the titanium plate into a plurality of cylinders, a plurality of reinforcing ribs are cut at the same time, a tube plate automatic welding machine is adopted to carry out deep-melting welding on joint positions of each cylinder and the reinforcing ribs and connecting pieces thereof, so that the titanium special-shaped tee joint is formed, and then a large-sized trolley type annealing furnace is subjected to batch heat treatment, so that the welding residual stress is eliminated, and the batch quality consistency is ensured. Compared with the traditional cast iron casting, steel and stainless steel, the utility model has the advantages of about 5 times longer service life, about 50 percent weight reduction, obvious light weight and long service life effects, and realizes the mass production of products. The product has good application prospect in the fields of sea water desalination, naval vessel manufacturing and ocean engineering equipment. The utility model is matched with the existing large-scale titanium axial flow pump to realize an integrated product.
Description
Technical Field
The utility model belongs to the technical field of titanium material processing, relates to an axial flow pump, and in particular relates to a large-scale titanium special-shaped tee joint and a titanium axial flow pump for sea water desalination, naval vessels and deep sea oil and gas drilling and conveying.
Background
The axial flow pump is a pump which uses the acting force of the blades of the rotary impeller to the liquid to make the liquid be conveyed along the axial direction, and is generally cast, and has several types of vertical, horizontal, inclined and through-flow. The impeller of the axial flow pump is generally provided with 2-7 blades and rotates in a circular tubular pump shell, and the pump shell at the upper part of the impeller is provided with fixed guide vanes for eliminating the rotary motion of liquid, changing the rotary motion into axial motion and converting the kinetic energy of the rotary motion into pressure energy. The axial flow pump is widely applied to the fields of petrochemical industry, oil and gas transportation, sea water desalination and the like. Tee joint (including same diameter, different diameter and different core) used in cooperation with the pipe is also widely applied to construction and overhaul of industries such as petrochemical industry, natural gas, liquefied gas, chemical fertilizer, thermal power plant, nuclear power, pharmacy and the like. The existing axial flow pump and tee joint are mainly cast by cast iron, are also manufactured by steel or stainless steel, and have the advantages of high specific gravity, easy corrosion and short service life. Compared with the land environment, the axial flow pump and the tee joint are relatively easy to repair or replace after being corroded and damaged. However, compared with the operation of the oil gas exploitation and transportation environment of ships, deep sea and deep well which are far from continent, the operation is difficult, the maintenance and replacement are more difficult, even the scrapping is abandoned, and the engineering operation is interrupted because of corrosion failure of large-scale and ultra-large-scale axial flow pumps and tee joints.
The titanium material has the characteristics of light weight, high hardness, high specific strength and the like, and has excellent seawater and oil gas corrosion resistance, and is incomparable with cast iron, steel and stainless steel. The titanium material has unique application in corrosive environments, and has increasingly expanded application in the fields of aerospace, oil and gas transportation, nuclear power, sea water desalination and the like, and particularly has good prospect in the sea water desalination field. In recent years, demands for aeronautical engineering equipment (marine equipment) and ships (weight reduction and corrosion resistance of internal pipelines) are increasing. At present, the preparation capability and industrialization level of titanium alloy materials and parts thereof in one country have become important factors for measuring the comprehensive national force of one country.
The titanium tee joint in the existing market basically belongs to small-caliber, small-scale manual production, the production process is extrusion or butt welding process for the existing tube blank tube, and the titanium tee joint comprises the following steps:
1. butt-welded tee joint, which is a tee joint pipe fitting welded after butt-joint with a connecting pipe fitting.
2. The socket tee is a tee pipe welded or welded after the connecting pipe fitting is inserted into each end of the tee.
3. The clamping sleeve type tee joint is characterized in that each end part of the tee joint is a clamping sleeve joint, and a pipe fitting is inserted into the tee joint and then fastened.
4. The threaded tee joint is a tee joint pipe fitting which is connected with the pipe fitting in a threaded mode.
The problems are limited by the difficult processing characteristics of titanium materials, and the difficult mass production limits the wide application. Particularly, the large-scale titanium tee joint is difficult to manufacture, process and produce in a large scale, the weight is reduced, the service life is long, the high reliability is particularly important, the large-scale production process of the product is lacking in the market, and innovation is needed to meet the market demand.
Disclosure of Invention
Based on the problems, the utility model aims to provide the titanium special-shaped tee joint for the large axial flow pump suitable for sea water desalination, ships and oil gas transportation, which is prepared by shearing a high-purity titanium plate and welding the titanium special-shaped tee joint by using a coiling machine coiling drum so as to realize mass production, light weight and long service life. Simultaneously, a large-scale titanium axial-flow pump matched with the titanium axial-flow pump is provided. The specific technical scheme is as follows:
1. a large-scale titanium abnormal-shaped tee joint is characterized in that a titanium plate with a required size is cut, and a drum-shaped cylinder body (1), a first cone-shaped cylinder body (3), a second cone-shaped cylinder body (2), a first cylinder body (4), a second cylinder body (5) and an inclined cylinder body (6) are respectively rolled by a forming die; the reinforcing ribs are respectively a large reinforcing rib (7), a small reinforcing rib (8) and an inclined reinforcing rib (10); the joint of each cylinder body adopts a tube plate automatic welding machine to realize automatic deep-melting welding;
two large ports on the left and right sides of the axial direction of the drum-shaped cylinder body (1) are respectively welded with a cone-shaped cylinder transition section, the cone-shaped cylinder transition section comprises a first cone-shaped cylinder body (3) and a second cone-shaped cylinder body (2), the other small port of the first cone-shaped cylinder body (3) is welded with a second cylindrical cylinder body (5), and the left end face of the second cylindrical cylinder body (5) is welded with a titanium flange plate (9);
a first cylindrical barrel body (4) is welded at the other small port of the second conical barrel body (2), and a titanium flange plate (9) is welded at the right end face of the first cylindrical barrel body (4); at the same time, the method comprises the steps of,
the inclined cylindrical barrel (6) is welded at the opening of the outer peripheral surface of the integral structure of the drum-shaped barrel (1), the first conical barrel (3) and the second conical barrel (2), the titanium flange plate (9) is welded at the lower end part of the inclined cylindrical barrel (6), reinforcing ribs are welded between the two reinforcing ribs, the reinforcing ribs are respectively a pair of inclined reinforcing ribs (10) and a pair of small reinforcing ribs (8) which are symmetrically arranged at intervals, and the inclined reinforcing ribs (10) are welded between the inclined cylindrical barrel (6) and the first conical barrel (3); thereby forming a three-way structure.
The further improvement is that the included angle between the central axis of the inclined cylindrical barrel (6) and the central axis of the drum-shaped barrel (1) is 35-90 degrees.
A further improvement is that the included angle is 65 degrees.
A pair of transverse reinforcing ribs (11) are symmetrically welded on the outer peripheral surfaces of the integral structure of the drum-shaped cylinder (1), the first conical cylinder (3) and the second conical cylinder (2).
The further improvement is that the large reinforcing ribs (7) and the small reinforcing ribs (8) are symmetrically welded on the outer peripheral surfaces of the first cylindrical barrel (4) and the second cylindrical barrel (5) at intervals, and are distributed at 90 degrees.
The further improvement is that the inclined reinforcing rib (10) is welded among the inclined cylindrical barrel (6), the first conical barrel (3) and the titanium flange plate (9).
A further improvement is that the oblique reinforcing ribs (10) and the small reinforcing ribs (8) are symmetrically arranged at intervals or asymmetrically arranged.
A further improvement is that the largest part of the drum-shaped cylinder (1) has an inner diameter of 510mm and a wall thickness of 20mm.
2. The large titanium axial flow pump is characterized in that any one of the large titanium special-shaped tee joint is adopted to be matched with the large titanium axial flow pump.
Compared with the traditional product, the utility model has the beneficial technical effects that:
1. the utility model adopts the cutting of the thick titanium plate, and the butt welding and welding forming of the winding drum ensures the consistency of mass production and quality.
2. The pressure capability of liquid or gas is strong, the reinforcing ribs are adopted to strengthen the rigidity strength of the tee joint, the bearing capacity of 5-30Mpa is satisfied, the bearing capacity of fluid load in the pipe is improved by about 30%, and the technical effect is obvious.
3. The utility model adopts a large-capacity large-scale trolley annealing furnace with the length of 5m to carry out mass heat treatment, eliminates residual stress caused by welding and ensures the consistency of the batch quality of products.
4. The product of the utility model has corrosion resistance and long service life, and the service life of the product is about 5 times longer than that of the traditional cast iron, steel and stainless steel in the corrosive environment in the fields of sea water desalination, smoke, nuclear power, petroleum gas and the like.
5. The utility model has obvious light weight, which is about 60 percent lower than the traditional casting process, and has good light weight application prospect especially in the fields of sea water desalination, naval vessel manufacture and ocean engineering.
Drawings
FIG. 1 is a schematic view of a large-scale titanium special-shaped tee joint structure.
Fig. 2 is a schematic axial sectional view of fig. 1.
In the figure, 1-drum type cylinder, 2-first cone type cylinder, 3-second cone type cylinder, 4-first cylinder, 5-second cylinder, 6-inclined neck cylinder, 7-big reinforcing rib, 8-small reinforcing rib, 9-titanium flange plate, 10-inclined reinforcing rib and 11-transverse reinforcing rib.
Detailed Description
Embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Fig. 1 and fig. 2 show a schematic structural view and a schematic structural view of an axial cross section of a large-scale titanium tee joint according to the present utility model.
The embodiment aims at providing the titanium special-shaped tee joint for the large axial flow pump for sea water desalination, ships and oil gas transportation, and the main idea is to adopt shearing high-purity titanium plates, and then welding the high-purity titanium plates into the titanium special-shaped tee joint by using a winding drum so as to realize mass production.
A large-scale titanium special-shaped tee joint for sea water desalination, naval vessels and oil gas transportation has the specific technical scheme that:
s1, preparing a component: cutting a titanium plate by adopting a numerical control ultrahigh pressure water cutting machine, cutting the titanium plate with a required size, and respectively rolling the titanium plate into a drum-type cylinder 1, a first conical cylinder 3, a second conical cylinder 2, a first cylindrical cylinder 4, a second cylindrical cylinder 5 and an inclined cylindrical cylinder 6 by utilizing a large plate bending machine or a forming die; the steel plate is characterized by further comprising a large reinforcing rib 7, a small reinforcing rib 8 and an inclined reinforcing rib 10 which are cut for standby, and a pure titanium flange plate 9 is additionally made. The joint of each cylinder body adopts a tube plate automatic welding machine to realize automatic deep penetration welding so as to ensure the high quality and consistency of the welding seam. The drum-shaped cylinder body 1 is formed by rolling a hot-pressing die, the heating temperature is 450+/-10 ℃, the maximum inner diameter of the cylinder body is 510mm, and the wall thickness is 20mm.
S2, butt welding of a winding drum: a transition section is welded at the left and right large ports of the drum-shaped cylinder body 1 in the axial direction, the transition section comprises a first conical cylinder body 3 and a second conical cylinder body 2, a second cylindrical cylinder body 5 is welded at the other small port of the first conical cylinder body 3, and a titanium flange 9 is welded at the left end face of the second cylindrical cylinder body 5;
a first cylindrical barrel 4 is welded at the other small port of the second conical barrel 2, and a titanium flange 9 is welded at the right end face of the first cylindrical barrel 4.
The inclined cylindrical barrel 6 is welded at the opening of the outer peripheral surface of the integral structure of the drum-shaped barrel 1, the first conical barrel 3 and the second conical barrel 2 in an opposite way, a titanium flange 9 is welded at the lower end part of the inclined cylindrical barrel 6, reinforcing ribs are welded between the inclined cylindrical barrel 6 and the titanium flange, the reinforcing ribs are respectively a pair of inclined reinforcing ribs 10 and a pair of small reinforcing ribs 8 which are symmetrically arranged at intervals, and the inclined reinforcing ribs 10 are welded between the inclined cylindrical barrel 6 and the first conical barrel 3; thereby forming a three-way structure.
S3, heat treatment: and a large-sized trolley annealing furnace with the length of 5m is adopted, a plurality of tee joints are charged into the furnace for integral annealing, the temperature in the furnace is heated to 620-650 ℃, the heat preservation is carried out for 1.5-2.5 h for annealing treatment, and the annealing treatment is carried out along with furnace cooling, so that the production capacity is high, and the annealing furnace is suitable for mass heat treatment.
S4, polishing and checking: and (5) grinding the welding line after cooling, polishing, avoiding scratch, covering a protective film after sampling and checking to be qualified, and warehousing.
Preferably, in order to strengthen the strength of the tee joint, the technical means of reinforcing ribs are adopted to meet the pressure of internal liquid or gas bearing 5-30MPa, and large reinforcing ribs 7, small reinforcing ribs 8 and inclined reinforcing ribs 10 are welded between each cylinder and the titanium flange 9.
Preferably, the large reinforcing ribs 7 and the small reinforcing ribs 8 are symmetrically distributed on the first cylindrical barrel 4 and the second cylindrical barrel 5 at intervals along the circumferential direction, and are distributed at 90 degrees.
The number of the small reinforcing ribs 8 and the number of the inclined reinforcing ribs 10 on the inclined cylindrical barrel 6 are 2 respectively, and the small reinforcing ribs and the inclined reinforcing ribs 10 are symmetrically distributed at 180 degrees.
Preferably, the inclined cylindrical barrel 6 is an inclined cylindrical barrel, and an included angle formed by the intersection or the spatial intersection of the central axis of the inclined cylindrical barrel and the central axis of the drum-shaped barrel 1 is 35-90 degrees. The effect of the embodiment is best when the included angle is 65 degrees.
Preferably, in order to further strengthen the rigidity strength and the large load bearing capacity of the tee joint, a pair of transverse reinforcing ribs 11 are welded on the outer peripheral surfaces of the integral structure of the drum-shaped cylinder 1, the first cone-shaped cylinder 3 and the second cone-shaped cylinder 2, and are symmetrically distributed along the circumferential direction 180.
Preferably, the inclined reinforcing ribs 10 and the small reinforcing ribs 8 are symmetrically arranged at intervals or asymmetrically arranged according to the structural shape and the bearing condition of the inclined cylindrical barrel 6, so as to ensure the bearing balance.
The tee manufactured by the embodiment adopts the technical means of titanium plate reel welding and reinforcing ribs, and has the weight reduction of about 60 percent compared with the traditional casting process, and the light weight effect is obvious; corrosion resistance and the service life is obviously prolonged by about 5 times; the rigidity strength and the fluid load bearing capacity in the pipe are improved by about 30 percent, and the technical effect is obvious. In addition, the utility model widens the application field and promotes the application process, such as light weight and weight reduction of the manufacturing of the internal pipelines of ships, seawater desalination corrosion resistance and good application prospects of marine equipment (including deep submarines and submarines).
The embodiment can also realize a large axial flow pump, which is an axial flow pump manufactured by adopting the large titanium special-shaped tee joint for sea water desalination, ships and oil gas transportation, and realizes the sales of whole complete products, and has remarkable technical effect.
Claims (9)
1. A large-scale titanium abnormal-shaped tee joint is characterized in that a titanium plate is cut according to batch requirements, a plurality of cylinders are respectively rolled by a plate rolling machine and a forming die, and a plurality of reinforcing ribs are cut at the same time; wherein, the joint of each cylinder body is welded in a deep melting way; the cylinder body comprises a drum-shaped cylinder body (1), a first conical cylinder body (3), a second conical cylinder body (2), a first cylindrical cylinder body (4), a second cylindrical cylinder body (5) and an inclined cylindrical cylinder body (6); the reinforcing ribs comprise large reinforcing ribs (7), small reinforcing ribs (8) and inclined reinforcing ribs (10);
the first conical cylinder body (3) and the second conical cylinder body (2) are respectively welded at the left and right large ports of the axial direction of the drum-shaped cylinder body (1) in opposite directions, and the second cylindrical cylinder body (5) is welded at the other small port of the first conical cylinder body (3); the left end face of the second cylindrical barrel body (5) is welded with a titanium flange plate (9), and a reinforcing rib is welded between the titanium flange plate and the titanium flange plate; the reinforcing ribs are respectively a large reinforcing rib (7) and a small reinforcing rib (8) which are symmetrically distributed at intervals;
a first cylindrical barrel (4) is welded at the other small port of the second conical barrel (2); the right end face of the first cylindrical barrel body (4) is welded with a titanium flange plate (9), reinforcing ribs are welded between the first cylindrical barrel body and the second cylindrical barrel body, the reinforcing ribs are respectively a large reinforcing rib (7) and a small reinforcing rib (8), and the large reinforcing rib and the small reinforcing rib are symmetrically distributed at intervals;
the inclined cylindrical barrel (6) is welded at the opening of the outer peripheral surface of the integral structure of the drum-shaped barrel (1), the first conical barrel (3) and the second conical barrel (2) in an opposite way; the lower end part of the inclined cylindrical barrel body (6) is welded with a titanium flange plate (9), a reinforcing rib is welded between the inclined cylindrical barrel body and the titanium flange plate, and the reinforcing rib comprises inclined reinforcing ribs (10) and small reinforcing ribs (8) which are arranged at intervals, so that a three-way structure is formed.
2. A large-scale titanium special-shaped tee joint according to claim 1, wherein the included angle between the central axis of the inclined cylindrical barrel (6) and the central axis of the drum-shaped barrel (1) is 35-90 degrees.
3. A large titanium tee as set forth in claim 2, wherein said included angle is 65 degrees.
4. A large-sized titanium shaped tee as claimed in claim 1, 2 or 3, wherein a pair of transverse reinforcing ribs (11) are symmetrically welded to the outer peripheral surfaces of the integral structure of the drum-shaped cylinder (1), the first cone-shaped cylinder (3) and the second cone-shaped cylinder (2).
5. A large-sized titanium special-shaped tee joint as claimed in claim 1, 2 or 3, wherein the large reinforcing ribs (7) and the small reinforcing ribs (8) are symmetrically welded on the outer peripheral surfaces of the first cylindrical barrel (4) and the second cylindrical barrel (5) at intervals, and are distributed at 90 degrees respectively.
6. A large titanium tee as claimed in claim 1, 2 or 3, characterized in that the diagonal stiffening ribs (10) are welded between the diagonal cylindrical body (6), the first conical body (3) and the titanium flange (9).
7. A large-sized titanium shaped tee joint as claimed in claim 1, 2 or 3, wherein the inclined reinforcing ribs (10) and the small reinforcing ribs (8) are symmetrically arranged at intervals or asymmetrically arranged according to the structure of the inclined cylindrical barrel (6).
8. A large titanium tee as claimed in claim 1, 2 or 3, characterized in that the largest internal diameter of the drum (1) is 510mm and the wall thickness is 20mm.
9. A large-sized titanium axial flow pump, characterized in that a large-sized titanium special-shaped tee joint according to any one of claims 1-8 is adopted to be matched and installed on the large-sized titanium axial flow pump for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506356.1U CN219473040U (en) | 2022-12-28 | 2022-12-28 | Large-scale titanium abnormal shape tee bend and axial-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506356.1U CN219473040U (en) | 2022-12-28 | 2022-12-28 | Large-scale titanium abnormal shape tee bend and axial-flow pump |
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| Publication Number | Publication Date |
|---|---|
| CN219473040U true CN219473040U (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223506356.1U Active CN219473040U (en) | 2022-12-28 | 2022-12-28 | Large-scale titanium abnormal shape tee bend and axial-flow pump |
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| CN (1) | CN219473040U (en) |
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2022
- 2022-12-28 CN CN202223506356.1U patent/CN219473040U/en active Active
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