CN112414198A - Seamless pipe for boiler heat exchanger - Google Patents

Seamless pipe for boiler heat exchanger Download PDF

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Publication number
CN112414198A
CN112414198A CN202011298298.0A CN202011298298A CN112414198A CN 112414198 A CN112414198 A CN 112414198A CN 202011298298 A CN202011298298 A CN 202011298298A CN 112414198 A CN112414198 A CN 112414198A
Authority
CN
China
Prior art keywords
seamless
heat exchanger
seamless tube
boiler heat
shaped
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
Application number
CN202011298298.0A
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Chinese (zh)
Inventor
陈小华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yiteng Special Steel Pipe Co ltd
Original Assignee
Zhejiang Yiteng Special Steel Pipe Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Yiteng Special Steel Pipe Co ltd filed Critical Zhejiang Yiteng Special Steel Pipe Co ltd
Priority to CN202011298298.0A priority Critical patent/CN112414198A/en
Publication of CN112414198A publication Critical patent/CN112414198A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • F28F1/18Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion the element being built-up from finned sections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/20Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being attachable to the element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/24Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Fluid Mechanics (AREA)
  • Details Of Fluid Heaters (AREA)

Abstract

The invention discloses a seamless tube for a boiler heat exchanger, which comprises a seamless tube body, wherein an internal thread groove surface is uniformly arranged on the inner side surface of the seamless tube body in a surrounding mode, a plurality of internal V-shaped grooves are extruded on the tube wall of the seamless tube body, and V-shaped bulges are arranged on the inner side surface of the seamless tube body corresponding to the internal V-shaped grooves. The invention can improve the heat exchange area of the seamless pipe, generate turbulence effect on the heat exchange medium in the seamless pipe, form the steel pipe into the inner V-shaped groove with full and deep shape, and realize high-efficiency heat exchange and structure strengthening effect.

Description

Seamless pipe for boiler heat exchanger
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of seamless tubes, in particular to the technical field of seamless tubes for boiler heat exchangers.
[ background of the invention ]
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and the heat carrier realizes the transfer of the heat energy between two media through a heat exchanger, wherein a heat exchange tube is one of the elements of the heat exchanger, is arranged in a cylinder and is used for the heat exchange between the two media, and the requirements on the heat exchanger are correspondingly improved along with the continuous improvement of the refrigeration, metallurgy, machinery, boiler manufacturing and other industry technologies. The performance of the heat exchanger depends on the performance of the heat exchange tube to a great extent, the heat exchange tube in the prior art adopts an ordinary smooth tube, the effective heat exchange area of the heat exchanger is small, the heat exchange efficiency of the heat exchange tube is low, the application of the heat exchange tube in the market is limited, and the requirements of customers cannot be met.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a seamless tube for a boiler heat exchanger, which can improve the heat exchange area of the seamless tube, generate turbulence effect on a heat exchange medium in the seamless tube, enable a steel tube to form an inner V-shaped groove with a full and deep shape, and realize high-efficiency heat exchange and structure strengthening effects.
In order to achieve the purpose, the invention provides a seamless tube for a boiler heat exchanger, which comprises a seamless tube body, wherein an inner thread groove surface is uniformly arranged on the inner side surface of the seamless tube body in a surrounding mode, a plurality of inner V-shaped grooves are extruded on the tube wall of the seamless tube body, and V-shaped protrusions are arranged on the inner side surface of the seamless tube body corresponding to the inner V-shaped grooves.
Preferably, the depth of the inner V-shaped grooves is 0.3-0.4mm, the number of the inner V-shaped grooves is multiple, and the inner V-shaped grooves are uniformly and axially arranged on the pipe wall of the seamless pipe body.
Preferably, a heat-conducting copper plating layer is arranged on the inner thread groove surface, and the thread height of the inner thread groove surface is one third of the height of the V-shaped protrusion.
Preferably, the seamless pipe body has a structure of any one of a straight seamless pipe, a U-shaped seamless pipe, and a spiral seamless pipe.
Preferably, the inner V-shaped groove is internally provided with a plurality of heat dissipation fins in a partition manner, the heat dissipation fins are obliquely arranged in the inner V-shaped groove, and the cross section area of each heat dissipation fin is larger than that of the inner V-shaped groove.
Preferably, the inclination angle of the heat dissipation fins is 15-20 °, a plurality of pyramid protrusions are arranged on the upper side of each heat dissipation fin, and the height of each pyramid protrusion is smaller than the vertical distance between adjacent heat dissipation fins.
Preferably, the radiating fin part at the central point position of the inner side of the inner V-shaped groove is provided with a flow guide through hole. The shape of the flow guide through hole is a conical hole with a gradually reduced bottom opening.
Preferably, the inner side surface of the flow guide through hole is a threaded surface.
Preferably, the number of the radiating fins is multiple, the radiating fins are uniformly arranged in the inner V-shaped grooves, and the radiating fins in the adjacent inner V-shaped grooves are arranged in a staggered manner.
Preferably, the heat dissipation fins are detachably clamped on the outer side wall of the seamless tube body.
The invention has the beneficial effects that: the invention can improve the heat exchange area of the seamless pipe, generate turbulence effect on the heat exchange medium in the seamless pipe, form the steel pipe into the inner V-shaped groove with full and deep shape, and realize high-efficiency heat exchange and structure strengthening effect.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view showing the structure of a seamless tube for a boiler heat exchanger according to the present invention.
In the figure: 1-seamless pipe body, 2-internal thread groove surface, 3-internal V-shaped groove, 4-V-shaped bulge, 5-radiating fin, 6-pyramid lug and 7-flow guide through hole.
[ detailed description ] embodiments
Referring to fig. 1, the seamless tube for the boiler heat exchanger of the invention comprises a seamless tube body 1, wherein an inner side surface of the seamless tube body 1 is uniformly provided with an inner thread groove surface 2 in a surrounding manner, a plurality of inner V-shaped grooves 3 are extruded on the tube wall of the seamless tube body 1, V-shaped protrusions 4 are arranged on the inner side surface of the seamless tube body 1 corresponding to the inner V-shaped grooves 3, the depth of the inner V-shaped grooves 3 is 0.3-0.4mm, a plurality of inner V-shaped grooves 3 are arranged, the inner V-shaped grooves 3 are uniformly and axially arranged on the tube wall of the seamless tube body 1, a heat conduction copper plating layer is arranged on the inner thread groove surface 2, the thread height of the inner thread groove surface 2 is one third of the height of the V-shaped protrusions 4, the seamless tube body 1 is in any one of a straight seamless tube, a U-shaped seamless tube and a spiral seamless tube, a plurality of heat dissipation fins, the heat dissipation fins 5 are obliquely arranged in the inner V-shaped groove 3, the cross section area of each heat dissipation fin 5 is larger than that of the inner V-shaped groove 3, the inclination angle of each heat dissipation fin 5 is 15-20 degrees, a plurality of pyramid protrusions 6 are arranged on the upper side face of each heat dissipation fin 5, the height of each pyramid protrusion 6 is smaller than the vertical distance between every two adjacent heat dissipation fins 5, and a flow guide through hole 7 is formed in the position, corresponding to the center point of the inner side of the inner V-shaped groove 3, of each heat dissipation fin 5. The shape of water conservancy diversion through-hole 7 is the circular cone hole that the bottom opening reduces gradually, the medial surface of water conservancy diversion through-hole 7 is the flank of screw, heat radiation fins 5's quantity has the multi-disc, heat radiation fins 5 evenly set up including in V type groove 3, heat radiation fins 5 dislocation set in the adjacent V type groove 3, heat radiation fins 5 can dismantle the joint setting on the lateral wall of seamless body 1.
The invention can improve the heat exchange area of the seamless pipe, generate turbulence effect on the heat exchange medium in the seamless pipe, form the inner V-shaped groove 3 with full and deep shape on the steel pipe, and realize high-efficiency heat exchange and structure strengthening effect.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (10)

1. A seamless tube for a boiler heat exchanger, characterized in that: including seamless body (1), the medial surface of seamless body (1) evenly encircles and is provided with internal thread groove face (2), the extrusion is provided with a plurality of interior V type grooves (3) on the pipe wall of seamless body (1), V type groove (3) are provided with V type arch (4) in the medial surface of seamless body (1) corresponds.
2. A seamless tube for a boiler heat exchanger according to claim 1, characterized in that: the depth of the inner V-shaped grooves (3) is 0.3-0.4mm, the number of the inner V-shaped grooves (3) is multiple, and the inner V-shaped grooves (3) are evenly and axially arranged on the pipe wall of the seamless pipe body (1).
3. A seamless tube for a boiler heat exchanger according to claim 1, characterized in that: the heat-conducting copper-plated layer is arranged on the inner thread groove surface (2), and the thread height of the inner thread groove surface (2) is one third of the height of the V-shaped protrusion (4).
4. A seamless tube for a boiler heat exchanger according to claim 1, characterized in that: the seamless pipe body (1) is in any one of a straight seamless pipe, a U-shaped seamless pipe and a spiral seamless pipe.
5. A seamless tube for a boiler heat exchanger according to claim 1, characterized in that: a plurality of radiating fins (5) are arranged in the inner V-shaped groove (3) in a spaced manner, the radiating fins (5) are obliquely arranged in the inner V-shaped groove (3), and the cross section area of each radiating fin (5) is larger than that of the inner V-shaped groove (3).
6. A seamless tube for a boiler heat exchanger according to claim 5, wherein: the inclination angle of the heat dissipation fins (5) is 15-20 degrees, a plurality of pyramid bumps (6) are arranged on the upper side faces of the heat dissipation fins (5), and the height of each pyramid bump (6) is smaller than the vertical distance between every two adjacent heat dissipation fins (5).
7. A seamless tube for a boiler heat exchanger according to claim 5, wherein: and a flow guide through hole (7) is formed in the position of the radiating fin (5) at the central point of the inner side of the inner V-shaped groove (3). The shape of the flow guide through hole (7) is a conical hole with a gradually reduced bottom opening.
8. A seamless tube for a boiler heat exchanger according to claim 7, wherein: the inner side surface of the flow guide through hole (7) is a threaded surface.
9. A seamless tube for a boiler heat exchanger according to claim 5, wherein: the number of the radiating fins (5) is multiple, the radiating fins (5) are uniformly arranged in the inner V-shaped grooves (3), and the radiating fins (5) in the adjacent inner V-shaped grooves (3) are arranged in a staggered mode.
10. A seamless tube for a boiler heat exchanger according to claim 5, wherein: the radiating fins (5) are detachably clamped on the outer side wall of the seamless tube body (1).
CN202011298298.0A 2020-11-19 2020-11-19 Seamless pipe for boiler heat exchanger Pending CN112414198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011298298.0A CN112414198A (en) 2020-11-19 2020-11-19 Seamless pipe for boiler heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011298298.0A CN112414198A (en) 2020-11-19 2020-11-19 Seamless pipe for boiler heat exchanger

Publications (1)

Publication Number Publication Date
CN112414198A true CN112414198A (en) 2021-02-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011298298.0A Pending CN112414198A (en) 2020-11-19 2020-11-19 Seamless pipe for boiler heat exchanger

Country Status (1)

Country Link
CN (1) CN112414198A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2278251A2 (en) * 2009-06-16 2011-01-26 Josch Strahlschweisstechnik Gmbh Heat exchanger element
CN102022944A (en) * 2010-12-31 2011-04-20 上海科米钢管有限公司 Special heat exchange tube and online tube machining process thereof
CN206399267U (en) * 2017-01-12 2017-08-11 珠海格力电器股份有限公司 Heat exchange tube and double-pipe heat exchanger
CN206420361U (en) * 2017-01-18 2017-08-18 无锡市林源热交换器有限公司 Novel fin formula heat exchanger tube
CN207163262U (en) * 2017-09-21 2018-03-30 成都实好电器有限公司 A kind of hanging gas boiler heat exchanger
CN210426227U (en) * 2019-04-22 2020-04-28 广州立之力机械设备有限公司 Efficient heat exchange tube with embedded inner fins

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2278251A2 (en) * 2009-06-16 2011-01-26 Josch Strahlschweisstechnik Gmbh Heat exchanger element
CN102022944A (en) * 2010-12-31 2011-04-20 上海科米钢管有限公司 Special heat exchange tube and online tube machining process thereof
CN206399267U (en) * 2017-01-12 2017-08-11 珠海格力电器股份有限公司 Heat exchange tube and double-pipe heat exchanger
CN206420361U (en) * 2017-01-18 2017-08-18 无锡市林源热交换器有限公司 Novel fin formula heat exchanger tube
CN207163262U (en) * 2017-09-21 2018-03-30 成都实好电器有限公司 A kind of hanging gas boiler heat exchanger
CN210426227U (en) * 2019-04-22 2020-04-28 广州立之力机械设备有限公司 Efficient heat exchange tube with embedded inner fins

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Application publication date: 20210226