CN113829289A - Method for penetrating copper tube of condenser - Google Patents
Method for penetrating copper tube of condenser Download PDFInfo
- Publication number
- CN113829289A CN113829289A CN202111427217.7A CN202111427217A CN113829289A CN 113829289 A CN113829289 A CN 113829289A CN 202111427217 A CN202111427217 A CN 202111427217A CN 113829289 A CN113829289 A CN 113829289A
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- condenser
- pipe
- plate
- tube
- copper pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a method for penetrating a condenser copper pipe, which solves the technical problem that a large number of workers need to be invested in field pipe penetration; an operator holds the left end of a copper pipe of the condenser, and sequentially penetrates the right end of the copper pipe of the condenser connected with the perforator from left to right through a left side plate pipe hole on a side plate of the condenser box body, a pipe plate pipe hole on a 12-channel pipe plate and a right side plate pipe hole to complete the task of connecting the copper pipe to the pipe plate in the condenser box body in a penetrating manner; in the pipe penetration, the front end of the perforator is conical, so that the perforator can smoothly penetrate through the corresponding pipe holes of the pipe plates in sequence, and the perforator is arranged at the front end of the copper pipe, so that the protection effect on the end part of the copper pipe is also achieved; after the pipe penetration is finished, the perforator is taken down from the end part of the condenser and inserted on a second copper pipe, and then the pipe penetration operation of the next copper pipe can be carried out; the invention changes the operation method that a plurality of persons need to be arranged near each tube plate of the condenser in the tube penetrating process, and realizes that the tube penetrating task can be quickly completed by only one operator.
Description
Technical Field
The invention relates to a method for assembling a steam turbine condenser, in particular to a pipe penetrating method used in the assembly of the steam turbine condenser of a gas power plant.
Background
The condenser is one of main auxiliary equipment of a gas thermal power plant, and the equipment mainly completes heat exchange between steam and cooling water; circulating cooling water in a power plant is used as a cold source and sequentially passes through a condenser water inlet chamber, a condenser copper pipe and a condenser water outlet chamber; steam discharged by a low-pressure cylinder of a steam turbine is used as a heat source, enters the box body from the upper part of the box body structure of the condenser, and is in contact with the outer side wall of a copper pipe of the condenser; steam entering the condenser and cooling water in the copper pipe realize steam-water heat exchange, the steam entering the condenser is converted into condensed water, and the converted condensed water enters a condensed water system of a power plant for cyclic utilization; the condenser is a closed box structure, a plurality of tube plates are arranged in the box body in parallel at equal intervals, nearly 9000 condenser copper tubes are densely distributed on each tube plate, a cooling water inlet chamber is arranged at the front end of the box body, and a cooling water outlet chamber is arranged at the rear end of the box body; nearly 9000 condenser copper pipes are designed to penetrate between the water inlet chamber and the water outlet chamber; in the installation of condenser equipment of a newly built power plant, when a box-shaped shell of a condenser and a tube plate in a box are installed in place, the tube penetrating assembly work of a copper tube of the condenser is required; in a condenser box body, 12 layers of tube plates are generally arranged in parallel, tube plate tube holes on the 12 tube plates are arranged in a one-to-one correspondence mode, condenser copper tubes are required to sequentially penetrate through a left side plate tube hole, a corresponding tube plate tube hole on the 12 layers of tube plates and a right side plate tube hole on site, the purpose that the condenser copper tubes connect a water inlet chamber and a water outlet chamber in a through mode is achieved, and the phenomenon that the corresponding tube plate tube holes are mistakenly penetrated through each condenser copper tube is required in a through tube; because the copper tube of the condenser is made of copper, the copper tube is soft in texture, and the tube plate of the condenser is made of steel, the phenomenon that the soft copper tube port collides with the tube plate of the condenser with hard texture is easy to occur in the through tube, the copper tube of the condenser is directly damaged, and the heat exchange work of the copper tube is influenced after the condenser is put into operation; therefore, when the pipe penetrating operation of the copper pipes of the condenser is carried out on site, an equipment installer is required to be arranged beside 12 pipe plates in the condenser box body to assist the penetrating copper pipes to correctly penetrate through pipe plate pipe holes on the pipe plates without colliding, so that the serial penetrating phenomenon of the copper pipes of the condenser and the collision and damage phenomenon of the pipe orifices of the copper pipes are avoided; because the number of the cross-under copper pipes reaches 9000, the existing working mode has the defects of time and labor waste, and particularly, a large amount of operators are invested on site, so that the installation cost of equipment is greatly increased.
Disclosure of Invention
The invention provides a method for penetrating a condenser copper pipe, which solves the technical problems of time and labor waste and large amount of workers required for on-site pipe penetration.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: designing a perforator capable of being movably inserted into a port of a condenser cross-connecting copper pipe, wherein the perforator is a steel cylinder with steps and is similar to a bottle mouth plug body, a conical head is arranged on the top end face of the cylinder with steps and plays a role in perforation guiding, a tail brush of the perforator is arranged on the bottom end face of the cylinder with steps and is similar to a brush body of a cleaning bottle, and the outer diameter of the brush body is larger than the caliber of the cross-connecting copper pipe; firstly, a brush at the tail part is plugged into a port at the end part of a copper pipe of a condenser, then a steel cylindrical cover with steps is covered and connected into the port at the end part of the copper pipe of the condenser, bristles plugged into the pipe orifice of the copper pipe are limited and tightened to generate an expansion force, and the steel cylindrical cover with steps is fixed into the port at the end part of the copper pipe of the condenser; the bristles are flexible, so that the inner cavity of the end port of the copper pipe of the condenser is protected from being scratched and damaged; a pipe penetrating operator holds the other end of the copper pipe of the condenser, sequentially penetrates through a left side plate pipe hole on a side plate of a condenser box body, a pipe plate pipe hole on a 12-channel pipe plate and a right side plate pipe hole from the water inlet chamber end of the condenser along the left-to-right direction, penetrates into the water outlet chamber end of the condenser and completes the penetrating work of the copper pipe; in the pipe penetration, the front end of the perforator is conical, so that the perforator can smoothly and sequentially penetrate through the corresponding pipe plate pipe holes on each pipe plate, the serial penetration phenomenon is avoided, meanwhile, the perforator with the cone is arranged at the front end of the copper pipe, even if the collision phenomenon occurs in the pipe penetration, the perforator is also arranged between the steel perforator and the pipe plate pipe orifice on the pipe plate, and the perforator plays a role in protecting the pipe orifice at the end part of the copper pipe; after the pipe penetration is finished, taking the hole penetrating device out of the end pipe orifice of the copper pipe of the condenser, and then inserting the hole penetrating device into a second penetration copper pipe to perform the pipe penetration operation of the next copper pipe; the invention realizes that the task of pipe penetrating operation can be completed only by one person.
A tube penetrating method of a condenser copper tube comprises a condenser box body and the condenser copper tube, wherein a left side plate tube hole is formed in a left side box plate of the condenser box body, a right side plate tube hole is formed in a right side box plate of the condenser box body, tube plates are arranged in the condenser box body at equal intervals, tube plate tube holes are formed in the tube plates, and the left side plate tube hole, the tube plate tube hole and the right side plate tube hole are correspondingly arranged, and the method is characterized by comprising the following steps:
firstly, manufacturing a perforator: get a section steel column, through machining, make the cylinder of taking the step to processing out the cone on the top face of cylinder, form promptly: the top surface of the right side of the cylindrical seat body of the perforator is provided with a conical head, the bottom surface of the left side of the cylindrical seat body of the perforator is provided with a cylindrical plug body, the cylindrical plug body and the cylindrical seat body of the perforator form a cylindrical step, the diameter of the cylindrical plug body is smaller than or equal to the aperture of a copper pipe of a condenser, and the diameter of the cylindrical seat body of the perforator is equal to the outer diameter of the copper pipe of the condenser; processing a twisted iron wire rod connecting groove in the center of the left end face of the cylindrical plug body, winding and fixing bristles on the expansion hairbrush on the twisted iron wire rod, wherein the outer diameter of the expansion hairbrush is larger than the aperture of a condenser copper pipe, and bonding and fixing the right end of the twisted iron wire rod in the twisted iron wire rod connecting groove through a colloid;
secondly, the expansion hairbrush on the perforator manufactured in the first step is plugged into the right port of a condenser copper pipe to be connected into a condenser box in a penetrating mode, and the cylindrical plug body covers the right port of the condenser copper pipe, so that the perforator and the condenser copper pipe are combined into a whole;
thirdly, holding the left end of the condenser copper pipe by hand, aligning the conical head to a left side plate pipe hole on a left side box plate, and enabling the right end of the condenser copper pipe to sequentially penetrate through the left side plate pipe hole, pipe plate pipe holes arranged on pipe plates in the box and a right side plate pipe hole arranged on a right side box plate along the left-to-right direction and then penetrate out of the right side box plate;
and fourthly, after the perforator is pulled out from the right port of the condenser copper pipe, the perforator is installed in the right port of the next condenser copper pipe to be connected into the condenser box in a penetrating mode, and the step of the third step is repeated until all condenser copper pipes in the condenser box are connected in a penetrating mode.
The invention can complete the penetration task of the condenser copper pipe only by one person, the tool for penetration is simple and easy to manufacture on site, the pipe orifice of the copper pipe is protected from being damaged to the maximum extent in penetration, the site operation is rapid, the pipe penetration quality and the pipe penetration speed are improved, the installation cost is greatly reduced, and the assembly quality of equipment is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a diagram of the connection relationship between the pipe penetrating device and the condenser copper pipe 1.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a tube penetrating method of a condenser copper tube comprises a condenser box body 10 and a condenser copper tube 1, wherein a left side plate tube hole 12 is formed in a left side box plate 11 of the condenser box body 10, a right side plate tube hole 14 is formed in a right side box plate 13 of the condenser box body 10, tube plates 2 are arranged in the condenser box body 10 at equal intervals, a tube plate tube hole 3 is formed in each tube plate 2, and the left side plate tube hole 12, the tube plate tube hole 3 and the right side plate tube hole 14 are correspondingly arranged, and the method is characterized by comprising the following steps:
firstly, manufacturing a perforator: get a section steel column, through machining, make the cylinder of taking the step to processing out the cone on the top face of cylinder, form promptly: the top surface of the right side of the perforator cylindrical seat 4 is provided with a conical head 5, the bottom surface of the left side of the perforator cylindrical seat 4 is provided with a cylindrical plug 6, the cylindrical plug 6 and the perforator cylindrical seat 4 form a cylindrical step, the diameter of the cylindrical plug 6 is smaller than or equal to the aperture of the condenser copper pipe 1, and the diameter of the perforator cylindrical seat 4 is equal to the outer diameter of the condenser copper pipe 1; a connecting groove 9 of a twisted wire rod is processed at the center of the left end face of the cylindrical plug body 6, bristles on the expansion hairbrush 7 are wound and fixed on the twisted wire rod 8, the outer diameter of the expansion hairbrush 7 is larger than the aperture of the condenser copper pipe 1, and the right end of the twisted wire rod 8 is fixedly bonded in the connecting groove 9 of the wire rod through a colloid;
secondly, the expansion brush 7 on the perforator manufactured in the first step is plugged into the right port of the condenser copper pipe 1 to be connected into the condenser box body 10 in a penetrating mode, and the cylindrical plug body 6 is covered on the right port of the condenser copper pipe 1, so that the perforator and the condenser copper pipe 1 are combined into a whole;
thirdly, holding the left end of the condenser copper pipe 1 by hand, aligning the conical head 5 to a left plate pipe hole 12 on a left box plate 11, and enabling the right end of the condenser copper pipe 1 to sequentially penetrate through the left plate pipe hole 12, a pipe plate pipe hole 3 arranged on each pipe plate 2 in the box and a right plate pipe hole 14 arranged on a right box plate 13 along the left-to-right direction and then penetrate out of the right box plate 13;
and fourthly, after the perforator is pulled out from the right port of the condenser copper pipe 1, the perforator is installed in the right port of the next condenser copper pipe 1 to be connected to the condenser box 10 in a penetrating mode, and the third step is repeated until all condenser copper pipes 1 in the condenser box 10 are connected in the penetrating mode.
A tube penetrating guide mechanism of a condenser copper tube used in a tube penetrating method of the condenser copper tube comprises a condenser copper tube 1, a tube plate 2 and a perforator cylindrical seat body 4, wherein a tube plate tube hole 3 is arranged on the tube plate 2, a conical head 5 is arranged on the right side top surface of the perforator cylindrical seat body 4, a cylindrical plug body 6 is arranged on the left side bottom surface of the perforator cylindrical seat body 4, the diameter of the cylindrical plug body 6 is smaller than or equal to the aperture of the condenser copper tube 1, and the diameter of the perforator cylindrical seat body 4 is equal to the outer diameter of the condenser copper tube 1; on the left side terminal surface of cylindric cock body 6, be connected with the tight brush 7 that expands, the tight brush 7 that expands and cylindric cock body 6 is pegged graft in the right port of condenser copper pipe 1.
At the left side terminal surface center department of cylindric cock body 6, be provided with the connecting groove 9 of twisted iron wire rod of twist form, the right-hand member of twisted iron wire rod 8 of twist form bonds in twisted iron wire rod of twist form connecting groove 9 through the colloid, and the brush hair on the tight brush 7 that expands is fixed on twisted iron wire rod 8 of twist form, and the external diameter of the tight brush 7 that expands is greater than the aperture of condenser copper pipe 1.
Before tube penetration, the expansion brush 7 is firstly plugged into the right port of the condenser copper tube 1, the cylindrical plug body 6 is covered on the right port of the condenser copper tube 1, the tube penetrating device and the condenser copper tube 1 form a whole, the left end of the condenser copper tube 1 is held by the tube penetrating hand, the conical head 5 is aligned to the tube plate tube hole 3 arranged on the tube plate 2, because the conical head 5 is conical, the perforator can easily enter the pipe hole 3 of the pipe plate, meanwhile, because the cylindrical base 4 and the conical head 5 of the perforator are made of hard steel or iron material, the soft condenser copper pipe 1 is sleeved on the step of the cylindrical plug body 6 at the rear side of the cylindrical base 4 of the perforator, when the pipe passes through the pipe plate pipe hole 3, the phenomenon that the cylindrical seat body 4 and the conical head 5 of the perforator collide with the pipe plate pipe hole 3 on the pipe plate 2 can only occur, and the pipe orifice of the condenser copper pipe 1 is protected from being collided and damaged to the greatest extent; the pipe penetrating device is simple to manufacture on site and convenient to use, greatly improves the pipe penetrating efficiency of nearly 9000 copper pipes on site, and ensures the assembling quality of the condenser.
Claims (1)
1. A tube penetrating method of a condenser copper tube comprises a condenser box body (10) and the condenser copper tube (1), wherein a left side plate tube hole (12) is formed in a left side box plate (11) of the condenser box body (10), a right side plate tube hole (14) is formed in a right side box plate (13) of the condenser box body (10), tube plates (2) are arranged in the condenser box body (10) at equal intervals, tube plate tube holes (3) are formed in the tube plates (2), and the left side plate tube hole (12), the tube plate tube holes (3) and the right side plate tube hole (14) are correspondingly arranged, and are characterized by comprising the following steps:
firstly, manufacturing a perforator: get a section steel column, through machining, make the cylinder of taking the step to processing out the cone on the top face of cylinder, form promptly: the punch cylinder seat is characterized in that a conical head (5) is arranged on the right top surface of a punch cylinder seat body (4), a cylinder plug body (6) is arranged on the left bottom surface of the punch cylinder seat body (4), the cylinder plug body (6) and the punch cylinder seat body (4) form a cylinder step, the diameter of the cylinder plug body (6) is smaller than or equal to the aperture of a condenser copper pipe (1), and the diameter of the punch cylinder seat body (4) is equal to the outer diameter of the condenser copper pipe (1); a connecting groove (9) of a twisted iron wire rod is processed at the center of the left end face of the cylindrical plug body (6), bristles on the expanding hairbrush (7) are wound and fixed on the twisted iron wire rod (8), the outer diameter of the expanding hairbrush (7) is larger than the aperture of a condenser copper pipe (1), and the right end of the twisted iron wire rod (8) is fixed in the connecting groove (9) in a bonding mode through a colloid;
secondly, the expansion hairbrush (7) on the perforator manufactured in the first step is plugged into the right port of the condenser copper pipe (1) to be connected into the condenser box body (10) in a penetrating mode, and the cylindrical plug body (6) is covered on the right port of the condenser copper pipe (1), so that the perforator and the condenser copper pipe (1) are combined into a whole;
thirdly, holding the left end of the condenser copper pipe (1), aligning a conical head (5) to a left plate pipe hole (12) on a left box plate (11), and enabling the right end of the condenser copper pipe (1) to sequentially penetrate through the left plate pipe hole (12), a pipe plate pipe hole (3) formed in each pipe plate (2) in the box and a right plate pipe hole (14) formed in a right box plate (13) along the left-to-right direction and then penetrate out of the right box plate (13);
and fourthly, after the perforator is pulled out from the right port of the condenser copper pipe (1), the perforator is installed in the right port of the next condenser copper pipe to be connected to the condenser box body (10) in a penetrating mode, and the third step is repeated until all condenser copper pipes (1) in the condenser box body (10) are connected in the penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427217.7A CN113829289A (en) | 2021-11-29 | 2021-11-29 | Method for penetrating copper tube of condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427217.7A CN113829289A (en) | 2021-11-29 | 2021-11-29 | Method for penetrating copper tube of condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113829289A true CN113829289A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427217.7A Pending CN113829289A (en) | 2021-11-29 | 2021-11-29 | Method for penetrating copper tube of condenser |
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| CN (1) | CN113829289A (en) |
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| JP2013096632A (en) * | 2011-10-31 | 2013-05-20 | T Rad Co Ltd | Flat tube of header plate-less heat exchanger |
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| CN205228362U (en) * | 2015-12-15 | 2016-05-11 | 德阳东汽电站机械制造有限公司 | Condenser tube baffle tube bank hole axiality alignment frock |
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| CN106695668A (en) * | 2016-12-05 | 2017-05-24 | 无锡化工装备股份有限公司 | Special tool for U-shaped tube penetrating |
| CN207874090U (en) * | 2017-11-24 | 2018-09-18 | 张化机（苏州）重装有限公司 | A kind of heat exchanger tube poling guide head |
| CN207971902U (en) * | 2018-03-14 | 2018-10-16 | 东方电气集团东方锅炉股份有限公司 | A kind of heat exchanger tube pipe close with poling guide function |
| CN208575782U (en) * | 2018-04-26 | 2019-03-05 | 南京斯迈柯特种金属装备股份有限公司 | A kind of guided tooling of heat exchanger tube poling |
| CN110195985A (en) * | 2019-06-11 | 2019-09-03 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of condenser water box tube plate structure of achievable poling delivery |
-
2021
- 2021-11-29 CN CN202111427217.7A patent/CN113829289A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013096632A (en) * | 2011-10-31 | 2013-05-20 | T Rad Co Ltd | Flat tube of header plate-less heat exchanger |
| WO2014173909A1 (en) * | 2013-04-25 | 2014-10-30 | MAHLE Behr GmbH & Co. KG | Heat exchanger |
| CN205228362U (en) * | 2015-12-15 | 2016-05-11 | 德阳东汽电站机械制造有限公司 | Condenser tube baffle tube bank hole axiality alignment frock |
| CN105798580A (en) * | 2016-05-30 | 2016-07-27 | 哈电集团（秦皇岛）重型装备有限公司 | Flexible internal supporting type guide head for pipe penetration of heat exchanger |
| CN106695668A (en) * | 2016-12-05 | 2017-05-24 | 无锡化工装备股份有限公司 | Special tool for U-shaped tube penetrating |
| CN207874090U (en) * | 2017-11-24 | 2018-09-18 | 张化机（苏州）重装有限公司 | A kind of heat exchanger tube poling guide head |
| CN207971902U (en) * | 2018-03-14 | 2018-10-16 | 东方电气集团东方锅炉股份有限公司 | A kind of heat exchanger tube pipe close with poling guide function |
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| CN110195985A (en) * | 2019-06-11 | 2019-09-03 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of condenser water box tube plate structure of achievable poling delivery |
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Application publication date: 20211224 |
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| RJ01 | Rejection of invention patent application after publication |