CN202065610U - Infrared heating device for heat-shrinkable tape jointing construction of pipeline - Google Patents
Infrared heating device for heat-shrinkable tape jointing construction of pipeline Download PDFInfo
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- CN202065610U CN202065610U CN2011200236603U CN201120023660U CN202065610U CN 202065610 U CN202065610 U CN 202065610U CN 2011200236603 U CN2011200236603 U CN 2011200236603U CN 201120023660 U CN201120023660 U CN 201120023660U CN 202065610 U CN202065610 U CN 202065610U
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Abstract
The utility model discloses an infrared heating device for heat-shrinkable tape jointing construction of a pipeline, which relates to the technical field of the pipeline system. The infrared heating device comprises a heater, an openable framework (2), a saddle-shaped supporting wheel (3) and a walking wheel (4), wherein the heater is fixed inside the openable framework (2); four groups of walking wheels (4), altogether 8 walking wheels (4), which are arranged in parallel in pairs, are arranged on the two inner sides of the openable framework (2); and a group of parallel saddle-shaped supporting wheels (3), altogether 2 saddle-shaped supporting wheels (3), are arranged on the top of the openable framework; the infrared heating device is characterized in that the heater adopts an electric heating infrared radiator (1); the infrared radiator (1) is divided into three sections and the three sections are uniformly fixed inside the openable framework (2); and a 1# heating section connector (6), a 2# heating section connector (7) and a 3# heating section connector (8) are arranged outside the openable framework (2). The pipe is uniformly heated, the jointing quality is high, and the infrared heating device is simple in structure.
Description
Technical field
The utility model is a kind of pipeline thermal contraction bands field joint construction infrared heating device, relates to the pipe-line system technical field.
Background technique
When length is failed steel oil and gas pipes repaired mouth at present artificial flame baking mode is mainly adopted in the heating of shrink belt.Its quality exists many influence factors: (1) peopleware: the operator is few or lack a sense of responsibility because of working experience, often occurs the phenomenon of not strict execution job specfication in the work; (2) appointed condition: the flame gun that the overcoat operation is used external gas-tank is installed, and all is manual open-air operation basically; (3) environmental conditions: ambient temperature, envionmental humidity are subjected to effect of natural conditions very big, artificial flame baking control difficulty, and working space often is not easy to operation (particularly the pipe bottom is divided); (4) quality inspection: on-the-spot quality management personnel lack the equipment of quantitative detection repaired mouth quality.These factors have had a strong impact on the quality of repaired mouth, shorten the effective life of pipeline greatly, and the serious consequence of bringing has: (1) hollowing (comprising bubble); (2) cannot not be close to stickingly; (3) edge is not sticking.In-service pipeline excavation investigation shows: there are problems such as the seal failure of higher proportion and imperfect bonding in the early stage shrink belt repaired mouth that adopts.Cause the very big factor of whole corrosion-proof pipe line corrosion-resistanting interpolating port quality problems to be: baking inhomogeneous causes hot melt adhesive bond vitrified difficult quality guarantee.
At these problems, " infrared heating device for coated joints of pipelines " of China National Petroleum joint-stock company (ZL200820124231.3) discloses a kind of different pipe diameter scopes, realization joint coating on pipeline of being applicable to and fixed and moved the infrared heating device for coated joints of pipelines of heating, raising joint coating on pipeline efficient and quality.It has overcome the defective of artificial flame baking mode, makes homogeneous heating, has improved joint coating on pipeline efficient and quality.But its heating source is combustion gas, and this also has no, and is nothing but to be equipped with a cover gas can at the construction field (site) more in addition; Main still structure more complicated except that main body frame, also needs axial traveling and caliber controlling mechanism, heating system and gas control system.
The model utility content
The utility model purpose is that design a kind ofly is heated evenly, bond quality height, pipeline thermal contraction bands field joint construction infrared heating device simple in structure.
The technical solution of the utility model also is to adopt infrared heating device, but heater then adopts electrically heated infrared radiator.
Formation of the present utility model is seen Fig. 1 and Fig. 2, and it is the same with prior art, comprises heater, open-close type framework 2, shape of a saddle supporting wheel 3, road wheel 4; Heater is fixed in open-close type framework 2 inside, and 4 groups of totally 8 road wheels 4 arranged side by side are in twos evenly installed in 2 liang of inboards of open-close type framework, and the top also is equipped with 1 group of 2 shape of a saddle supporting wheel 3 arranged side by side.
Feature of the present utility model is that heater adopts electrically heated infrared radiator 1, and this infrared radiator 1 minute evenly is fixed in open-close type framework 2 inside for three sections, open-close type framework 2 outer 1# bringing-up section joint 6,2# bringing-up section joint 7, the 3# bringing-up section joints 8 of being provided with.
Described heater is divided into 3 section five circle bringing-up section, the 1# bringing-up section is equipped with 1 circle infrared radiator 1,2#, 3# bringing-up section respectively are equipped with 2 circle infrared radiators 1, the heating control principle of heating equipment is seen Fig. 3, after transmitter output is added to PLC, PLC output meets five solid-state relay I1-I5 that are connected in the heater circuit to five circle bringing-up sections through temperature display meter.
The electrical schematic diagram of heating equipment is seen Fig. 4, corresponding 1# bringing-up section, 2# bringing-up section, 3# bringing-up section, and heater circuit also is divided into three sections, is that corresponding 2# bringing-up section, 3# bringing-up section respectively have the two-way heater circuit, and the 1# bringing-up section has No. one heater circuit; This No. five heater circuit all is that four lines of threephase AC meet a solid-state relay I1-I5 respectively through switch, connects infrared radiator through socket and plug after solid-state relay; Two lines of single-phase alternating current meet PLC through switch S A1 simultaneously, and the input of PLC connects from temperature display meter, after transmitter is exported, export the control end of solid-state relay to.
The output that connects five solid-state relays of PLC output connects 1# bringing-up section, 2# bringing-up section, 3# bringing-up section respectively, after 1# section, 2# section, the output of 3# section connect three temperature display meters, is taken back the input of PLC by transmitter.PLC compares through the actual value of transmitter output according to temperature value of setting and temperature display meter, controls powering up of each road infrared radiator by solid-state relay, makes the temperature of each road infrared radiator consistent with setting value.
It is the sequence control at center that the utility model adopts with PLC, after circuit switch starts, temperature transducer is given temperature display meter and PLC measurement signal, thermometric instrument can show corresponding temperature in real time, PLC, exports corresponding small control signal and gives solid-state relay according to the control program that designs in advance then by internal arithmetic and comparison, drive large current load, thereby satisfy the heating process requirement.
With its heating process of carrying out pipeline thermal contraction bands repaired mouth be: earlier middle part 1# bringing-up section is heated, both sides 2# bringing-up section is carried out preheating; After the heating of 1# bringing-up section finishes, it is carried out automatic heat preserving, and both sides 2# bringing-up section is begun heating automatically; After 2# bringing-up section heating is finished, it is carried out automatic heat preserving, heat the 3# bringing-up section then, whole like this heating process gradually to two side shiftings, and then reaches the purpose of driving bubble in the repaired mouth process away by the center of shrink belt.After whole shrink belt heat shrink was finished, opening device carried out the tempering heating to 1#, 2# and 3# bringing-up section simultaneously.
After finishing one repaired mouth, heating equipment need not be dismantled, and can rapidly device be moved to next road junction and carry out the repaired mouth operation.Heating equipment adopts switching structure, and one group of shape of a saddle supporting wheel is installed in the both sides, top, when device needs the process pipe honest, can open coil like this in moving process, and device is organized the supporting wheel support thus and slided.
The temperature controlled principle of pipeline thermal contraction bands field joint construction infrared heating device is: carry out automatic temperature-controlled to heating equipment, by the PLC controller 1#, 2#, the heating time of 3# bringing-up section, holding time are set, and three part time of working simultaneously, heats is met the demands.
Infrared radiation heating device efficiency of heating surface height, can be penetrated into material inside, make inner and top layer evenly heating simultaneously, the abundant thawing of assurance hot melt adhesive, bonding, can effectively improve the defective that artificial flame baking brings, can energy saving, avoid the influence of personal factor to the repaired mouth quality, can greatly improve the quality and the field joint construction efficient of pyrocondensation belt repaired mouth, prolong the pipeline life time.
The anticorrosive quality at pipe end repaired mouth place is the weak link in the pipeline corrosion protection quality, is the pilosity district of accident, is directly connected to the effective life of pipeline and Construction Party's economic benefits.Infrared rays heating repaired mouth can be good at solving the defective of at present artificial flame baking repaired mouth.Adopt shrink belt repaired mouth infrared heating device can help improving the quality, reduce repair rate, and simple in structure, thus the pipeline construction whole efficiency improved.
Description of drawings
Fig. 1 pipeline thermal contraction bands field joint construction infrared heating device front view
Fig. 2 pipeline thermal contraction bands field joint construction infrared heating device side view
Fig. 3 pipeline thermal contraction bands field joint construction infrared heating device electricity theory diagram
Fig. 4 pipeline thermal contraction bands field joint construction infrared heating device electrical schematic diagram
1-infrared radiator 2-open-close type framework wherein
3-shape of a saddle supporting wheel 4-road wheel
5-pipeline 6-1# bringing-up section joint
7-2# bringing-up section joint 8-3# bringing-up section joint
Specific embodiments
Embodiment. this example is the shrink belt field joint construction infrared heating device that is applicable to φ 1219mm heavy caliber steel pipeline, as shown in Figure 1 and Figure 2.It comprises infrared radiator 1, open-close type framework 2, shape of a saddle supporting wheel 3, road wheel 4,1# bringing-up section joint 6,2# bringing-up section joint 7,3# bringing-up section joint 8.Infrared radiator 1 evenly is fixed in open-close type framework 2 inside, and 4 groups of totally 8 road wheels 4 arranged side by side are in twos evenly installed in 2 liang of inboards of open-close type framework, and the top also is equipped with 1 group of 2 shape of a saddle supporting wheel 3 arranged side by side.
Heater adopts electrically heated infrared radiator 1, and this infrared radiator 1 minute evenly is fixed in open-close type framework 2 inside for three sections, open-close type framework 2 outer 1# bringing-up section joint 6,2# bringing-up section joint 7, the 3# bringing-up section joints 8 of being provided with.
Described heater is divided into 3 section five circle bringing-up section, the 1# bringing-up section is equipped with 1 circle totally 30 infrared radiators 1,2#, 3# bringing-up section respectively are equipped with 2 circles totally 60 infrared radiators 1, the heating control principle of heating equipment is seen Fig. 3, five circle bringing-up sections are shown by temperature after transmitter output is added to PLC, and PLC output meets five solid-state relay I1-I5 that are connected in the heater circuit.
The electrical schematic diagram of heater is seen Fig. 4, corresponding 1# bringing-up section, 2# bringing-up section, 3# bringing-up section, and heater circuit also is divided into three sections, is that corresponding 2# bringing-up section, 3# bringing-up section respectively have the two-way heater circuit, and the 1# bringing-up section has No. one heater circuit; This No. five heater circuit all is that four lines of threephase AC meet a solid-state relay I1-I5 respectively through switch, connects infrared radiator through socket and plug after solid-state relay; Two lines of single-phase alternating current meet PLC through switch S A1 simultaneously, and the input of PLC connects from the output of temperature display watch transmitter, export the control end of solid-state relay to.
Wherein:
Threephase AC to the switch of solid-state relay selects DZ47LE 50A 4P;
Solid-state relay I1-I5 selects TSR-60D-H;
PLC selects S7-200;
Cross streams electricity to the switch of PLC selects SA1;
Temperature display watch selects CM type temp probe.
Heating equipment is installed in the joint coating on pipeline place, respective cable is connected finish (cable connects the quick plug formula that adopts), can power-on pyrocondensation belt be heated automatically according to construction process, after operation is finished herein, each cable is pulled out, and device does not need dismounting, and handle assembly moves to next station rapidly, connect respective cable once more, can proceed operation then.
This example is simple in structure, and the automaticity height is easy to use, and shrink belt is heated evenly, fully can avoid phenomenons such as hollowing, bubble, cohesive force difference to take place, and can effectively improve outer corrosion-resistanting interpolating port quality, reduce the repaired mouth repair rate.
Claims (3)
1. a pipeline thermal contraction bands field joint construction infrared heating device comprises heater, open-close type framework (2), shape of a saddle supporting wheel (3), road wheel (4); Open-close type framework (2) two is inboard evenly installs 4 groups of totally 8 road wheels (4) arranged side by side in twos, and the top also is equipped with 1 group of 2 shape of a saddle supporting wheel (3) arranged side by side; It is characterized in that heater adopts electrically heated infrared radiator (1), this infrared radiator (1) divides three sections and evenly is fixed in open-close type framework (2) inside, outer 1# bringing-up section joint (6), 2# bringing-up section joint (7), the 3# bringing-up section joint (8) of being provided with of open-close type framework (2).
2. pipeline thermal contraction bands field joint construction infrared heating device according to claim 1, it is characterized in that described heater is divided into 3 section five circle bringing-up section, the 1# bringing-up section is equipped with 1 circle infrared radiator (1), 2#, 3# bringing-up section respectively are equipped with 2 circle infrared radiators (1), the heating control principle of heater is that five circle bringing-up sections are added to PLC through temperature display meter after transmitter is exported, and PLC output meets five solid-state relay I1-I5 that are connected in the heater circuit.
3. pipeline thermal contraction bands field joint construction infrared heating device according to claim 2, it is characterized in that described heater to add heat control electricity principle be corresponding 1# bringing-up section, 2# bringing-up section, 3# bringing-up section, heater circuit also is divided into three sections, corresponding 2# bringing-up section and 3# bringing-up section respectively have the two-way heater circuit, and the 1# bringing-up section has No. one heater circuit; This No. five heater circuit all is that four lines of threephase AC meet a solid-state relay I1-I5 respectively through switch, connects infrared radiator through socket and plug after solid-state relay; Two lines of single-phase alternating current meet PLC through switch S A1 simultaneously, and the input of PLC connects from temperature display meter, after transmitter is exported, export the control end of solid-state relay to;
The output that connects five solid-state relays of PLC output connects 1# bringing-up section, 2# bringing-up section, 3# bringing-up section respectively, after 1# section, 2# section, the output of 3# section connect three temperature display meters, is taken back the input of PLC by transmitter; PLC compares through the actual value of transmitter output according to temperature value of setting and temperature display meter, controls powering up of each road infrared radiator by solid-state relay, makes the temperature of each road infrared radiator consistent with setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200236603U CN202065610U (en) | 2011-01-25 | 2011-01-25 | Infrared heating device for heat-shrinkable tape jointing construction of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200236603U CN202065610U (en) | 2011-01-25 | 2011-01-25 | Infrared heating device for heat-shrinkable tape jointing construction of pipeline |
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| CN202065610U true CN202065610U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200236603U Expired - Lifetime CN202065610U (en) | 2011-01-25 | 2011-01-25 | Infrared heating device for heat-shrinkable tape jointing construction of pipeline |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969198A (en) * | 2017-05-24 | 2017-07-21 | 浙江明通建设工程有限公司 | Major diameter HDPE plastic-steel winding pipeline construction techniques |
| CN107160609A (en) * | 2016-03-08 | 2017-09-15 | 中国石油天然气集团公司 | Heat shrinking sleeve heater |
| CN107228253A (en) * | 2016-03-25 | 2017-10-03 | 中国石油天然气集团公司 | Pipeline corrosion protection repaired mouth device |
| US10107438B2 (en) | 2011-11-10 | 2018-10-23 | Shawcor Ltd. | Apparatus containing multiple sequentially used infrared heating zones for tubular articles |
-
2011
- 2011-01-25 CN CN2011200236603U patent/CN202065610U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10107438B2 (en) | 2011-11-10 | 2018-10-23 | Shawcor Ltd. | Apparatus containing multiple sequentially used infrared heating zones for tubular articles |
| CN107160609A (en) * | 2016-03-08 | 2017-09-15 | 中国石油天然气集团公司 | Heat shrinking sleeve heater |
| CN107160609B (en) * | 2016-03-08 | 2019-10-11 | 中国石油天然气集团公司 | Heat shrinking sleeve heating device |
| CN107228253A (en) * | 2016-03-25 | 2017-10-03 | 中国石油天然气集团公司 | Pipeline corrosion protection repaired mouth device |
| CN106969198A (en) * | 2017-05-24 | 2017-07-21 | 浙江明通建设工程有限公司 | Major diameter HDPE plastic-steel winding pipeline construction techniques |
| CN106969198B (en) * | 2017-05-24 | 2019-05-03 | 浙江明通建设工程有限公司 | Major diameter HDPE plastic-steel winding pipeline construction technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170322 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |