CN106363796A - Vertical type flow-line forming method for PCCP cores - Google Patents

Vertical type flow-line forming method for PCCP cores Download PDF

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Publication number
CN106363796A
CN106363796A CN201611003219.2A CN201611003219A CN106363796A CN 106363796 A CN106363796 A CN 106363796A CN 201611003219 A CN201611003219 A CN 201611003219A CN 106363796 A CN106363796 A CN 106363796A
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CN
China
Prior art keywords
pccp
station
tube core
mould
concrete
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
CN201611003219.2A
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Chinese (zh)
Inventor
王娜
刘同军
周新荣
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.)
Shandong Electric Power Pipeline Engineering Co Ltd
Original Assignee
Shandong Electric Power Pipeline Engineering 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 Shandong Electric Power Pipeline Engineering Co Ltd filed Critical Shandong Electric Power Pipeline Engineering Co Ltd
Priority to CN201611003219.2A priority Critical patent/CN106363796A/en
Publication of CN106363796A publication Critical patent/CN106363796A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B5/00Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/02Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/04Methods or machines specially adapted for the production of tubular articles by casting into moulds by simple casting, the material being neither positively compacted nor forcibly fed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00General arrangement or layout of plant ; Industrial outlines or plant installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/90Methods or apparatus for demoulding or discharging after shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/38Treating surfaces of moulds, cores, or mandrels to prevent sticking

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

The invention provides a vertical type flow-line forming method for PCCP cores, which can realize flow-line production of the PCCP cores to increase the production efficiency. The method comprises the following steps: 1) designing flow lines suitable for forming the PCCP cores according to a productivity requirement; 2) performing PCCP core demoulding, including cleaning top covers and outer moulds of vertical type PCCP moulds and spraying a release agent to the top covers and the outer moulds of the vertical type PCCP moulds; 3) cleaning inner moulds and bases of the vertical type PCCP moulds and spraying the release agent to the inner moulds the bases of the vertical type PCCP moulds; 4) mounting steel cylinders and assembling the vertical type PCCP moulds; 5) pouring concrete; 6) troweling concrete at the spigot ends of the PCCP cores; and 7) curing the PCCP cores with the vertical type PCCP moulds.

Description

Pipeline system pccp tube core vertical forming method
Technical field
The present invention relates to a kind of tube core forming method is and in particular to a kind of pipeline system pccp tube core vertical forming method, Belong to pccp production technical field.
Background technology
Nineteen thirty-nine, Bang Na pipeline company of France successfully have developed pccp pipeline, and nineteen forty-two U.S. Luo Kezhao, company successfully drew Enter, through the research and development of decades, with the production technology of Price brother company and Ah Myron Corp. and production equipment Representative, develop and promoted the use of steel cylinder concrete tube core splicing, haul at present, fed intake and material toggling integrated system.
Domestic technique is started late, and Shandong Electric Power Group pipeline company introduces pccp tubulation work from Ah Myron Corp. of the U.S. within 1989 Skill technology and key equipment, Shenzhen sun pipeline company limited is from Price brother company of the U.S. (price within 1992 Brothers) introduce a complete set of pccp tube-making process technology and equipment;Wuxi Huayi Pipe Manufacturing Co., Ltd. of Jiangsu Province in 1995 Introduce pccp tube-making process technology and key equipment from Ah Myron Corp. of the U.S. (ameren).The 90's of 20th century remove so far Professional production equipment is realized domestic outside the pale of civilization, and pccp production technology not yet has breakthrough improvement: the vertical production of pccp tube core remains To dismount on the pipe die firm banking that fixed position in a row places one by one in shaping area, shaping area size and pipe die base number Amount designs production capacity according to factory and determines, in shaping area, each pipe die base bypass has steam pipework for carrying out after tube core molding Steam curing.Walk about between the fixed position pipe die that operator arranges in shaping area one by one, swash in mould Under complete dismount mould when bolt artificial fastening with dismounting, pour after the completion of smear the process operations such as mouth, artificial ventilation maintenance.Mixed It is to pour above pipe die on blanking cone with the straddle truck concrete feeding tank that plays to shaping area domestic demand that solidifying soil pours, lifting material up and down Tank completes concreting, and hoistman will have abundant smell of powder just can carry out skilled operation, tube core concreting Continuous uniform is limited to the operant skill level of hoistman, and the crane handling of the tube core after the demoulding is to tube core storage area, mould Tool dismounting, steel cylinder installation, concreting, tube core handling etc. all rely on crane, human assistance dislodging hook, crane utilization rate Height, recruitment is many, high labor intensive, and product quality is affected greatly by artificial disturbance factor, and production efficiency is relatively low.
Content of the invention
It is an object of the present invention to provide a kind of pipeline system pccp tube core vertical forming method, it is capable of the stream of pccp tube core Aquation operation, and then improve production efficiency.
To achieve these goals, the present invention employs the following technical solutions:
A kind of pipeline system pccp tube core vertical forming method, comprises the steps:
1) according to production capacity demand, design is applied to the streamline of pccp tube core molding:
Streamline includes n bar production line and x bar curing line, and production line sets gradually demoulding station, mold cleaning station, press setter Position, tube core concreting station, smear mouth and check station and station of resting, curing line runs pipe according to design production capacity demand setting Modulus amount, installation mold waggon on streamline, control step-by-step system to press on production line and curing line by plc and set beat shifting Dynamic;
2) the pccp tube core demoulding, carries out clearing up, spraying releasing agent to mould top cover and external mold:
(1) the mould waggon transport vertical pipe die of pccp reaches demoulding station, and bolt on external mold is unclamped by stripping operation personnel, will Open external mold and hung external mold cut-back region, dress watch mould, processed the defect existing in time, spray releasing agent, standby;
(2) the top cover handling of vertical for pccp pipe die is cleared up to clearing zone and sprayed releasing agent, standby;
(3) internal model bolt is all unclamped by operator again, and tube core is vertically hung out, and then tube core is delivered to die region and deposits Put;
(4) after completing stripping process, operator press operation completing button and send station completion instruction to control room, and mould is defeated Car is sent to enter next station with base and internal model through streamline automatic transport;
3) internal model to the vertical pipe die of pccp and base carry out clearing up, spraying releasing agent:
Mould waggon band base and internal model enter releasing agent spray station, and internal model, base are checked, cleaning has been cleared up After work confirms, operative employee presses after spraying button sprays releasing agent automatically and is delivered to die-filling station through mould waggon;
4) steel cylinder is installed, assembles the vertical pipe die of pccp:
Internal model after spraying releasing agent, base enter die-filling station, with the qualified steel cylinder of crane handling to die-filling station, complete steel Cylinder, external mold, top cover are installed, and die-filling area operative employee presses completion button and sends completion instruction to control room, installs the pccp of steel cylinder Vertical pipe die is through streamline automatic transport to tube core concreting station;
5) casting concrete:
Tube core concreting station is arranged on production line on the fixed position of mixing plant, pours a top fixing concrete Feed integrated machine, the vertical pipe die of pccp having installed steel cylinder runs on streamline and pours after a position is accurately positioned, coagulation Native feed integrated machine drop to accurately descending discharge position and fixing on pccp vertical pipe die top cover automatically, pours setting of station Standby operative employee sends feed signal to mixing plant, mixing plant accept instruction and by the concrete material being stirred by material conveying trolley along rail Road is fed directly in the concreting hopper of feed integrated machine, and carry out concrete pours molding, pours and completes, and pours work Bit manipulation work is pressed completion button and is sent completion instruction to control room, and feed integrated machine rises automatically, pours the pipe die after molding Through streamline automatic transport to inspection station of wiping one's face;
6) pccp tube core socket end concrete coating is processed:
Wipe one's face and check that the rear concrete end face that pours that station manipulation work comes to conveying carries out inspection process, by unnecessary concrete Material is transferred to, and when concrete material is inadequate, is properly added concrete material, processes after confirming socket end work surface size qualification on inspection, Troweling process is carried out to the socket end concrete end face after pouring, the operative employee that wipes one's face presses completion button to control after completing to wipe one's face Room sends station completion instruction, and the belt carcass pipe die after molding is delivered to curing line by beat by streamline automatically;
7) pccp tube core curing in the mold:
Maintenance is carried out to pccp tube core concrete using steam, maintenance terminate after by mould waggon automatic running to production line On demoulding station, thus completing one cycle.
Above-mentioned pipeline system pccp tube core vertical forming method, curing line includes quiet down bit and steam curing kiln, steam Set successively in curing kilns, step 5) detailed process is as follows: mould waggon automatic running, to area of resting, is rested 1~2 hour;Quiet Band tube core mould after supporting is pressed set beat automatic running by mould waggon and is entered steaming kiln;The liter of heating zone in steaming kiln Warm speed be less than 22 DEG C/h, the temperature of flat-temperature zone maintains 32~52 DEG C, quiet stop, heat up, constant temperature, lower the temperature four maintenances Total curing time of link is no less than 12 hours.
Above-mentioned pipeline system pccp tube core vertical forming method, n >=1, x >=2.
The invention has the beneficial effects as follows:
1, the invention is particularly suited to high-volume pccp production project, production efficiency height, improves labor condition, reduces production Cost, has the advantages that environmental protection, energy-conservation, large-scale production remarkable in economical benefits.
2nd, the present invention realizes fixing station manipulation, reduce running in operator's operation process, it is to avoid dismounting mould mistake Climbing up and down in journey, greatly reduces the labor intensity of operator.
3rd, the present invention passes through the automatic flow in production line, curing line for the mould, reduces crane and utilizes, raises labour productivity Meanwhile, decrease the cross-operation of inter process, improve the security reliability of execute-in-place.
4, The present invention reduces the impact of production link artificial disturbance factor, improve quality guarantee rate.
Brief description
Fig. 1 is embodiment of the present invention horizontal layout schematic diagram.
In figure 1. enters kiln ferry bus, station of 2. resting, 3. concrete charging bucket transport vehicle, inspection station of 4. wiping one's face, 5. Tube core concreting station, 6. pinpoints and pours Special crane, 7. die-filling station, 8. internal model and base cleaning, oiling work Position, 9. external mold cleaning, oiling station, 10. top cover cleaning, oiling station, 11. demoulding stations, 12. mould waggons, 13. go out Kiln ferry bus, 14. cranes, 15. steam curing kilns.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, to this Bright further description.
A kind of pipeline system pccp tube core vertical forming method, comprises the steps:
1) according to production capacity demand, design is applied to the streamline of pccp tube core molding:
With reference to Fig. 1, in the present embodiment, streamline includes 1 production line and 2 curing lines, and production line sets gradually demoulding station 11st, mold cleaning, internal model and base cleaning, the cleaning of oiling station 8, external mold, the cleaning of oiling station 9, top cover, oiling station 10, Die-filling station 7, tube core concreting station 5 and inspection station 4 of wiping one's face, curing line arranges rest station 2 and steam curing kiln 15, set gradually heating zone, flat-temperature zone and cooling area in steam curing kiln 15 from left to right, in steam curing kiln 15, temperature is by certainly Dynamic temperature control system controls, and is arranged according to design production capacity demand and runs pipe die quantity, installation mold waggon 12 on streamline, by Plc controls step-by-step system to press setting beat movement on production line and curing line;
In the present embodiment, production line both sides are provided with operating platform.
2) the pccp tube core demoulding, carries out clearing up, spraying releasing agent to mould top cover and external mold:
(1) the mould waggon 12 transport vertical pipe die of pccp reaches demoulding station 11, and stripping operation personnel are loose by bolt on external mold Open, opened external mold and hung external mold cut-back region, dress watch mould, processed the defect existing in time, sprayed releasing agent, standby With;
(2) the top cover handling of vertical for pccp pipe die is cleared up to clearing zone and sprayed releasing agent, standby;
(3) internal model bolt is all unclamped by operator again, crane 14 tube core is vertically hung out, then tube core is delivered to tube core Area deposits;
(4) after completing stripping process, operator press operation completing button and send station completion instruction to control room, and mould is defeated Car 12 is sent to enter next station with base and internal model through streamline automatic transport;
3) internal model to the vertical pipe die of pccp and base carry out clearing up, spraying releasing agent:
In the present embodiment, mould waggon 12 band base and internal model enter releasing agent spray station, and internal model, base are examined Look into, cleaning, after cleaning completion confirms, operative employee presses after spraying button sprays releasing agent automatically and is delivered to through mould waggon 12 Die-filling station 7;
4) steel cylinder is installed, assembles the vertical pipe die of pccp:
In the present embodiment, the internal model after spraying releasing agent, base enter die-filling station 7, with the qualified steel of kiln discharge ferry bus 13 handling Cylinder, to die-filling station 7, completes steel cylinder, external mold, top cover installation, and die-filling area operative employee presses completion button and sends completion to control room Instruction, installs the vertical pipe die of pccp of steel cylinder through streamline automatic transport to tube core concreting station 5;
5) casting concrete:
In the present embodiment, tube core concreting station 5 is arranged on production line on the fixed position of mixing plant, pours on a little Square fixing concrete feed integrated machine, the vertical pipe die of pccp having installed steel cylinder runs on streamline and pours a position standard After determining position, concrete feeding all-in-one drop to accurately descending discharge position and fixing on pccp vertical pipe die top cover automatically, Pour the equipment operation work of station and send feed signal to mixing plant, mixing plant accept instruction and by the concrete material being stirred by Concrete charging bucket transport vehicle 3, along orbit transports to feeding point, pours Special crane 6 by fixed point and hangs concrete charging bucket and be dumped into feeding In the concreting hopper of all-in-one, carry out concrete pours molding, pours and completes, and pours station manipulation work and presses completion Button sends completion instruction to control room, and feed integrated machine rises automatically, pours the pipe die after molding through streamline automatic transport Check station 4 to wiping one's face;
6) pccp tube core socket end concrete coating is processed:
In the present embodiment, wipe one's face and check that the rear concrete end face that pours that station manipulation work comes to conveying carries out inspection process, will Unnecessary concrete material is transferred to, and when concrete material is inadequate, is properly added concrete material, processes on inspection and confirms socket end work surface After size qualification, troweling process is carried out to the socket end concrete end face after pouring, the operative employee that wipes one's face has pressed after completing to wipe one's face Work button to control room send station completion instruction, streamline by beat automatically by after molding through inspection station of wiping one's face on production line 4 belt carcass pipe die is delivered to curing line;
7) pccp tube core curing in the mold:
In the present embodiment, after the belt carcass pipe die of entrance curing line is rested through station 2 of resting, automatic running enters steam curing kiln 15, Maintenance is carried out using steam to pccp tube core concrete, the belt carcass pipe die entering steam curing kiln 15 is automatically suitable by setting beat Sequence circulation is until maintenance terminates, by the demoulding station 11 to production line for kiln discharge ferry bus 13 automatic running, thus completing once Circulation.
With reference to Fig. 1, above-mentioned pipeline system pccp tube core vertical forming method, curing line includes resting station 2 and steam is supported Shield kiln 15, sets gradually heating zone, flat-temperature zone and cooling area, step 5) detailed process is such as from left to right in steam curing kiln 15 Under: the band core mold waggon 12 after checking of wiping one's face on production line is ferried to curing line by entering kiln ferry bus 1 by set beat, from Dynamic operation, to station 2 of resting, quiet stops 1~2 hour;Band tube core mould after resting is automatic by set beat by mould waggon 12 Run and enter steam curing kiln 15;In steam curing kiln 15, the programming rate of heating zone is less than 22 DEG C/h, flat-temperature zone Temperature maintains 32~52 DEG C, quiet stop, heat up, constant temperature, cooling four maintenance links total curing time be no less than 12 hours.
Above-mentioned specific embodiment is only the concrete case of the present invention, is not the restriction that the present invention is made with other forms, Any those skilled in the art are changed or are modified as equivalent variations possibly also with the technology contents of the disclosure above Equivalent implementations.But on the premise of every principle without departing from the technology of the present invention, according to the present invention technical spirit to more than Any simple modification, equivalent variations and remodeling that embodiment is made, all should fall into the scope of patent protection of the present invention.

Claims (3)

1. a kind of pipeline system pccp tube core vertical forming method is it is characterised in that comprise the steps:
1) according to production capacity demand, design is applied to the streamline of pccp tube core molding:
Streamline includes n bar production line and x bar curing line, and production line sets gradually demoulding station, mold cleaning station, press setter Position, tube core concreting station, smear mouth and check station and station of resting, curing line runs pipe according to design production capacity demand setting Modulus amount, installation mold waggon on streamline, mould waggon is operable to move on line and curing line;
2) the pccp tube core demoulding, carries out clearing up, spraying releasing agent to mould top cover and external mold:
(1) the mould waggon transport vertical pipe die of pccp reaches demoulding station, and bolt on external mold is unclamped by stripping operation personnel, will Open external mold and hung external mold cut-back region, dress watch mould, processed the defect existing in time, spray releasing agent, standby;
(2) the top cover handling of vertical for pccp pipe die is cleared up to clearing zone and sprayed releasing agent, standby;
(3) internal model bolt is all unclamped by operator again, and tube core is vertically hung out, and then tube core is delivered to die region and deposits Put;
(4) after completing stripping process, operator press operation completing button and send station completion instruction to control room, and mould is defeated Car is sent to enter next station with base and internal model through streamline automatic transport;
3) internal model to the vertical pipe die of pccp and base carry out clearing up, spraying releasing agent:
Mould waggon band base and internal model enter releasing agent spray station, and internal model, base are checked, cleaning has been cleared up After work confirms, operative employee presses after spraying button sprays releasing agent automatically and is delivered to die-filling station through mould waggon;
4) steel cylinder is installed, assembles the vertical pipe die of pccp:
Internal model after spraying releasing agent, base enter die-filling station, with the qualified steel cylinder of crane handling to die-filling station, complete steel Cylinder, external mold, top cover are installed, and die-filling area operative employee presses completion button and sends completion instruction to control room, installs the pccp of steel cylinder Vertical pipe die is through streamline automatic transport to tube core concreting station;
5) casting concrete:
Tube core concreting station is arranged on production line on the fixed position of mixing plant, pours a top fixing concrete Feed integrated machine, the vertical pipe die of pccp having installed steel cylinder runs on streamline and pours after a position is accurately positioned, coagulation Native feed integrated machine drop to accurately descending discharge position and fixing on pccp vertical pipe die top cover automatically, pours setting of station Standby operative employee sends feed signal to mixing plant, mixing plant accept instruction and by the concrete material being stirred by material conveying trolley along rail Road is fed directly in the concreting hopper of feed integrated machine, and carry out concrete pours molding, pours and completes, and pours work Bit manipulation work is pressed completion button and is sent completion instruction to control room, and feed integrated machine rises automatically, pours the pipe die after molding Through streamline automatic transport to inspection station of wiping one's face;
6) pccp tube core socket end concrete coating is processed:
Wipe one's face and check that the rear concrete end face that pours that station manipulation work comes to conveying carries out inspection process, by unnecessary concrete Material is transferred to, and when concrete material is inadequate, is properly added concrete material, processes after confirming socket end work surface size qualification on inspection, Troweling process is carried out to the socket end concrete end face after pouring, the operative employee that wipes one's face presses completion button to control after completing to wipe one's face Room sends station completion instruction, and the belt carcass pipe die after molding is delivered to curing line by beat by streamline automatically;
7) pccp tube core curing in the mold:
Maintenance is carried out to pccp tube core concrete using steam, maintenance terminate after by mould waggon automatic running to production line On demoulding station, thus completing one cycle.
2. pipeline system pccp tube core vertical forming method as claimed in claim 1 it is characterised in that: curing line includes quiet shut-down Position and steam curing kiln, set heating zone, flat-temperature zone and cooling area, step 5) detailed process is as follows: mould successively in steam curing kiln Tool waggon automatic running, to area of resting, is rested 1~2 hour;Band tube core mould after resting is by mould waggon by set section Clap automatic running and enter steaming kiln;In steaming kiln, the programming rate of heating zone is less than 22 DEG C/h, the temperature dimension of flat-temperature zone Hold at 32~52 DEG C, quiet stop, heat up, constant temperature, cooling four maintenance links total curing time be no less than 12 hours.
3. pipeline system pccp tube core vertical forming method as claimed in claim 1 it is characterised in that: n >=1, x >=2.
CN201611003219.2A 2016-11-15 2016-11-15 Vertical type flow-line forming method for PCCP cores Pending CN106363796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201611003219.2A CN106363796A (en) 2016-11-15 2016-11-15 Vertical type flow-line forming method for PCCP cores

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108818912A (en) * 2018-05-31 2018-11-16 姬永生 Prefabricated guide hole pervious concrete road pavement brick and its production system and technique
CN110103333A (en) * 2019-06-13 2019-08-09 武汉比邻科技发展有限公司 A kind of production line of batch and production technology of steel core concrete column

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Publication number Priority date Publication date Assignee Title
JPH11226937A (en) * 1998-02-12 1999-08-24 Haneda Hume Pipe Co Ltd Device for manufacture of concrete molding
CN1944325A (en) * 2006-06-21 2007-04-11 北京蓝资凝石科技有限公司 Method for producing cementitious materials concrete pipe
CN104191519A (en) * 2014-08-27 2014-12-10 江苏江扬建材机械有限公司 Vertical machining device and method for small-caliber PCCP
CN105082346A (en) * 2015-02-09 2015-11-25 中交第三航务工程局有限公司 Intelligent flow production line for shield segment prefabrication
CN105500518A (en) * 2016-01-19 2016-04-20 山东中新绿色建筑科技有限公司 Prefabricated stair production line and production method
CN105541223A (en) * 2015-12-22 2016-05-04 连云港艾可新型建材有限公司 PHC pipe pile concrete and preparation method thereof
CN105922437A (en) * 2016-06-29 2016-09-07 山东电力管道工程公司 PCCP pipe core vertical molding method automatic production line

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11226937A (en) * 1998-02-12 1999-08-24 Haneda Hume Pipe Co Ltd Device for manufacture of concrete molding
CN1944325A (en) * 2006-06-21 2007-04-11 北京蓝资凝石科技有限公司 Method for producing cementitious materials concrete pipe
CN104191519A (en) * 2014-08-27 2014-12-10 江苏江扬建材机械有限公司 Vertical machining device and method for small-caliber PCCP
CN105082346A (en) * 2015-02-09 2015-11-25 中交第三航务工程局有限公司 Intelligent flow production line for shield segment prefabrication
CN105541223A (en) * 2015-12-22 2016-05-04 连云港艾可新型建材有限公司 PHC pipe pile concrete and preparation method thereof
CN105500518A (en) * 2016-01-19 2016-04-20 山东中新绿色建筑科技有限公司 Prefabricated stair production line and production method
CN105922437A (en) * 2016-06-29 2016-09-07 山东电力管道工程公司 PCCP pipe core vertical molding method automatic production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108818912A (en) * 2018-05-31 2018-11-16 姬永生 Prefabricated guide hole pervious concrete road pavement brick and its production system and technique
CN110103333A (en) * 2019-06-13 2019-08-09 武汉比邻科技发展有限公司 A kind of production line of batch and production technology of steel core concrete column

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Application publication date: 20170201