CN204083639U - Civil building freezing prevention tubing automatic control accompanying-heat cable system - Google Patents
Civil building freezing prevention tubing automatic control accompanying-heat cable system Download PDFInfo
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- CN204083639U CN204083639U CN201420472938.9U CN201420472938U CN204083639U CN 204083639 U CN204083639 U CN 204083639U CN 201420472938 U CN201420472938 U CN 201420472938U CN 204083639 U CN204083639 U CN 204083639U
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- Prior art keywords
- heat cable
- accompanying
- automatic control
- pipeline
- freezing prevention
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Abstract
The utility model discloses a kind of civil building freezing prevention tubing automatic control accompanying-heat cable system, it is characterized in that: comprise connect successively temp controller (1), accompany hot electric control box (2), electric source connecting box (3), accompanying-heat cable (4), tail end (5), pipeline (8); Connected by two-way or threeway (6) link between described accompanying-heat cable (4); Described accompanying-heat cable (4) is fixed on pipeline (8) by fixing belt (7).The utility model operation is installed simple, and cable can be cut into random lengths according to actual conditions by site operation, and can be wound around in valve, flange and instrument.Homogeneous temperature, automatically regulates with outdoor temperature change and energy-conservation, does not substantially need later maintenance.
Description
Technical field
The utility model relates to a kind of freezing prevention tubing facility, particularly relates to a kind of civil building freezing prevention tubing automatic control accompanying-heat cable system.
Background technique
The measure of building water supply and drainage pipeline preventing freeze in winter, conventional method use steam or hotwater tracing antifreeze just gradually substitute by the automatic control accompanying-heat cable of flexibility and reliability, the utility model is the new design for civil building freezing prevention tubing automatic control accompanying-heat cable system.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of freezing prevention tubing facility, a kind of civil building freezing prevention tubing automatic control accompanying-heat cable system is especially provided, be applicable to opening cold season in winter, semi-open occasion, as the antifreeze and insulation of the pipeline of underground automobile garage, valve, the pump housing, and maintain the adjustment of heating of technological temperature of instrument pipeline.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of civil building freezing prevention tubing automatic control accompanying-heat cable system, comprise connect successively temp controller, accompany hot electric control box, electric source connecting box, accompanying-heat cable, tail end, pipeline; Connected by two-way or three-way connector between described accompanying-heat cable; Described accompanying-heat cable is fixed on pipeline by fixing belt.
Described electric source connecting box is connected with described accompanying-heat cable by two-way or threeway.
Described two-way or threeway are fixed on pipeline by fixing belt.
The pipeline of described accompanying-heat cable is also provided with thermal insulation layer or watertightness barrier, as being asbestos or rubber layer thermal insulation layer or watertightness barrier.
The pipeline of described accompanying-heat cable is also provided with protective layer, as being aluminum foil plate protective layer.
Described accompanying-heat cable on described pipeline lay length be 3 times of stent length.
Described accompanying-heat cable lays for straight line wrap style, U-shaped wrap style or spiral winded type on described pipeline.
Described accompanying-heat cable establishes the length winding as required of valvular coiling length on described pipeline.
Utility model works principle:
Described automatic control electric tracing cable system structure of controlling temperature and principle: temperature control system is by environment temp controller induction system region environment temperature.If ambient temperature is lower than environment temp controller setting value, accompanies hot electric control box to switch on power, make heating cable work by electric source connecting box; If ambient temperature is higher than environment temp controller setting value, system shutdown power supply, heating cable quits work.Described accompanying-heat cable is that the modes such as straight line wrap style, U-shaped wrap style or spiral winded type lay can arrive the area of contact increased with channelling on described pipeline.Such working principle makes the medium be incubated reach antifreeze effect.
Described heat tracing cable structure and principle of automatic control: described control accompanying-heat cable is known a kind of cable, comprise conductive plastic, two structures such as parallel bus and isolation layer, and described conductive plastic is made up of plastics and conduction carbon granules.When giving the energising of described power supply buses, described carbon granules just forms circuit between two power supply buses.In described every root accompanying-heat cable, the circuit number between described bus changes with the impact of temperature.During temperatures cool around described accompanying-heat cable, described conductive plastic produces the contraction of scintilla and makes carbon granules be connected to form circuit, and electric current flows through these circuit, and described accompanying-heat cable is generated heat; When the temperature increases, described conductive plastic produces the expansion of scintilla, and carbon granules separates gradually, causes Circuit Interrupt, and resistance rises, and described accompanying-heat cable reduces power stage automatically.When environment temperature turns cold, plastics are returned to again scintilla contraction state, and the corresponding formation circuit that couples together of carbon granules, described accompanying-heat cable heating power rises again automatically, so accompanying-heat cable can vary with temperature automatic control.
The utility model adopts technique scheme, compared with prior art has following technique effect:
1. operation is installed simple, and cable can be cut into random lengths according to actual conditions by site operation, and can be wound around in valve, flange and instrument.
2. homogeneous temperature, automatically regulates with outdoor temperature change and energy-conservation.
3. substantially do not need later maintenance.
Accompanying drawing explanation
Fig. 1 is the utility model structure and temperature control principle connection diagram
Fig. 2-1 is the utility model laying structure schematic diagram one
Fig. 2-2 is the utility model laying structure schematic diagram two
Fig. 2-3 is the utility model laying structure schematic diagram three
Fig. 3-1 lays schematic diagram on the utility model valve
Fig. 3-2 lays schematic diagram on the utility model valve
Fig. 4 is any intermediate position figure in the utility model threeway
Fig. 5 is that the utility model applies sectional view
In figure, 1-temp controller, 2-accompanies hot electric control box, 3-electric source connecting box, 4-accompanying-heat cable, 5-tail end, 6-threeway, 7-fixing belt, 8-pipeline, 9-support, 10-thermal insulation layer, 11-protective layer, 12-valve
Embodiment
As shown in Figure 1, Figure 2-1, Fig. 2-2, Fig. 2-3, Fig. 3-1, Fig. 3-2, the civil building freezing prevention tubing automatic control accompanying-heat cable construction system shown in Fig. 4, Fig. 5, comprise connect successively temp controller 1, accompany hot electric control box 2, electric source connecting box 3, accompanying-heat cable 4, tail end 5, pipeline 8; Connected by two-way or threeway 6 link between described accompanying-heat cable 4; Described accompanying-heat cable 4 is fixed on pipeline 8 by fixing belt 7.
Installation operation: preparatory work before 1, installing; 2, power supply 3 box is installed; 3, ribbon heater 4 and terminal are installed; 4, insulation resistance is measured; 5, power supply and temp controller 2 is connect; 6, energizing test; 7, electrical tracing mark is done; 8, to be incubated and waterproof 10; 9,4 and 6 are repeated; 10, system testing.
1. the preparation before installing: note before cabling to distribute by duct length, in order to avoid material is condensing without the cooling of accompanying-heat cable place, the length of accompanying-heat cable should be longer than by TRACER road.
2. the installation of electric source connecting box
2.1 prune outer insulation layer, are twisted by bus straight, insert bus protection pipe internal lining pipe, guarantee that described bus penetrates bus protection pipe internal lining pipe, when bus protection pipe internal lining pipe is pushed out, show to install correct.
2.2 packing rings and base wiring terminal are installed, and accompanying-heat cable should be made to exceed described wiring terminal screw thread about 25mm, then tightening the screw.
2.3 are fixed on base on pipeline by fixing, and are wrapped on pipeline by unnecessary accompanying-heat cable adhesive tape.
2.4 will notice that the cross section of power line should slightly larger than the core cross section of ribbon heater when being connected with power line, and general power line should be able to carry the total current of ribbon heater summation in minimum ambient temperature.
3. accompanying-heat cable lays
During 3.1 installation unwrapping wire, companion's hot line 4 of entire volume should be placed on support 9 with reel, and be positioned over the wherein adjacent one end in companion heat circuit loop.
Unwrapping wire should being moved towards along pipeline during 3.2 unwrapping wire, avoiding with pullling electric tracing cable energetically, in unwrapping wire process, should avoid foot-operated or weight, foreign material are placed on accompanying-heat cable.
3.3 from electric source connecting box point, along pipeline rout or container outer wall, is fixed on pipeline or container by accompanying-heat cable with cellotape or aluminium glue band.Increase heat dispersing surface first, be conducive to heat transfer, second convenient installation.Fixing every distance fixation adhesive tape radial direction after laying.
Electric tracing cable described in 3.4 is fixed along the lower en of pipeline as far as possible.
Companion's heat of 3.5 all pipe fittings, comprise as valve, support etc. should by the requirements of plan, reserved required accompanying-heat cable length, by this section of cable winding in the main body of pipe fitting, and is fixed, as shown in Figure 3,4.
3.6 two-ways, three-way terminal box are installed
Two way junction boxes, three-way terminal box are mainly used in the connection between accompanying-heat cable, the length increasing accompanying-heat cable or the more complicated place such as the accompanying-heat cable being used in adapted different capacity on same pipeline and trident pipeline.
A., after needing joint to remove isolation layer accompanying-heat cable, airtight circle and end cap is put on successively.
B. use chek bolt, accompanying-heat cable bus is fixed on wire board by lock washer and pressing plate, cuts unnecessary bus.
C. head bolts is tightened, make seal ring be close to box tapping.
D. rubber seal is pressed on box, lid is put on rubber seal, tightens screw.
E. after terminal box being fixed with adhesive tape, by cable tie on pipeline.Finally label on thermal insulation layer laminating.
3.7 in use two-way or three-way fitting place, and electric tracing cable is respectively held and answered length in reserve, to keep in repair, change annex.
3.7 can design and installation standby tracing system to some key pipelines or container, and establishes independently supply terminals, to guarantee the high reliability of pipe network system.
4 accompanying-heat cable tail ends are installed
Block, seal ring are inserted in accompanying-heat cable by 4.1 successively.
4.2 will be wrapped with apart from tail end with cellotape.
4.3 remove tail end shielded metal net, are inserted completely by accompanying-heat cable in tail end sealing line box, set up packing ring and clamping platen.
Tail end sealing terminal box is fixed on pipeline with adhesive tape by 4.4, and makes sign.
5. temp controller is installed: adopt environment temp controller control area respectively to accompany the temperature control system of hot loop, its temp controller should be arranged on the position in ambient temperature lowest part or air port as far as possible.
Inspection after 6 installations
After 6.1 accompanying-heat cables install, visual examination must be carried out to installed companion's hot loop, check that accompanying-heat cable is surperficial, whether annex has damage, otherwise should process.
External for the power supply buses of accompanying-heat cable metallic shield is carried out megger by 6.2 shakes examination, checks and carries out defect processing or this loop of again constructing, and then test, until qualified underproof companion's hot loop.
6.3 tracing systems are installed after the assay was approved, can carry out heat preservation construction.After heat preservation construction, safety instruction label should be sticked at the above the fold of thermal insulation layer outer surface.
After the external thermal insulation construction of 6.4 pipelines or container, primary insulation test is carried out again in each loop of reply tracing system, only has this test passes, can carry out overall system test.
7. overall system test
Before 7.1 overall system tests, the air-break switch of all companion's hot loops should be closed, respectively once survey is shaken to each loop, reaffirm the insulation resistance in each loop.
Temp controller, when pipe temperature or ambient temperature are lower than design parameter, are adjusted to design temperature and make line powering by 7.2; When pipe temperature or ambient temperature are higher than design parameter, till temp controller is adjusted to line powering.
7.3 energisings run, and the pipeline in each loop, container will reach a relative equilibrium, now tackle the running current in each loop, ambient temperature, pipeline or vessel temp and measure.Tracing system is through failure-free operation, and running current is stablized, then the installation bulk test of this system is qualified.
After 7.4 overall system pass the tests, the temp controller temperature of system design parameter must be adjusted to, this system run unit can be paid.
7.5 thermal insulation layers and watertightness barrier are the important component parts of electric tracer heating system, must install, especially in outdoor in strict accordance with designing requirement, once rainwater immerses internal layer, insulating power declines greatly, in case of sheath is damaged, electrical breakdown may be caused, flashing or dying fire.
Performance analysis
Automatic control electric tracing cable, because inherently responding to the temperature of tube wall or medium and self-regulated heating value, is a kind of conservation measures.And conventional vapor companion heat can only utilize a part of heat energy, a large amount of heat energy is become low-grade from high-grade, cannot utilize, in vain loss.Although automatic control electric tracing cable system one-time investment is a little more than conventional vapor tracing system, operating cost has larger reduction, and final economic benefit is still significant.Because automatic control electrical tracing can stop steam tracing " run, drip, leak " phenomenon effectively, be conducive to environmental protection.In construction trial run, have employed native system and use nearly 2 years, respond well.
Claims (10)
1. a civil building freezing prevention tubing automatic control accompanying-heat cable system, is characterized in that: comprise connect successively temp controller (1), accompany hot electric control box (2), electric source connecting box (3), accompanying-heat cable (4), tail end (5), pipeline (8); Connected by two-way or threeway (6) link between described accompanying-heat cable (4); Described accompanying-heat cable (4) is fixed on pipeline (8) by fixing belt (7).
2. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1, is characterized in that: described electric source connecting box (3) is connected with described accompanying-heat cable (4) by two-way or threeway (6).
3. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1 and 2, is characterized in that: described two-way or threeway (6) are fixed on pipeline (8) by fixing belt (7).
4. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1, is characterized in that: the pipeline of described accompanying-heat cable (4) is also provided with thermal insulation layer or watertightness barrier (10).
5. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1, is characterized in that: the pipeline of described accompanying-heat cable (4) is also provided with protective layer (11).
6. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1 and 2, is characterized in that: described accompanying-heat cable (4) on described pipeline (8) lay length be 3 times of support (9) length.
7. the civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1 or 4, is characterized in that: described accompanying-heat cable (4) above lays for straight line wrap style, U-shaped wrap style or spiral winded type at described pipeline (8).
8. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 1, is characterized in that: described accompanying-heat cable (4) is provided with the coiling length length winding as required of valve (12) on described pipeline (8).
9. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 4, is characterized in that: described thermal insulation layer or watertightness barrier (10) are asbestos or rubber layer.
10. civil building freezing prevention tubing automatic control accompanying-heat cable system according to claim 5, is characterized in that: described protective layer (11) is aluminium foil flaggy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472938.9U CN204083639U (en) | 2014-08-20 | 2014-08-20 | Civil building freezing prevention tubing automatic control accompanying-heat cable system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472938.9U CN204083639U (en) | 2014-08-20 | 2014-08-20 | Civil building freezing prevention tubing automatic control accompanying-heat cable system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083639U true CN204083639U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472938.9U Expired - Fee Related CN204083639U (en) | 2014-08-20 | 2014-08-20 | Civil building freezing prevention tubing automatic control accompanying-heat cable system |
Country Status (1)
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| CN (1) | CN204083639U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135140A (en) * | 2015-06-23 | 2015-12-09 | 张家港迪威高压管件有限公司 | Heatable high-pressure pipe fitting |
| CN106532573A (en) * | 2016-11-09 | 2017-03-22 | 中国化学工程第四建设有限公司 | Heat-tracing construction method for 825 type alloy mineral insulating heating cable |
| CN106851867A (en) * | 2017-02-10 | 2017-06-13 | 赵亚青 | A kind of electrothermal pipe |
| CN108413168A (en) * | 2018-04-19 | 2018-08-17 | 博太科防爆设备（上海）有限公司 | A kind of heating tape introducing device with cradling function |
-
2014
- 2014-08-20 CN CN201420472938.9U patent/CN204083639U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135140A (en) * | 2015-06-23 | 2015-12-09 | 张家港迪威高压管件有限公司 | Heatable high-pressure pipe fitting |
| CN106532573A (en) * | 2016-11-09 | 2017-03-22 | 中国化学工程第四建设有限公司 | Heat-tracing construction method for 825 type alloy mineral insulating heating cable |
| CN106851867A (en) * | 2017-02-10 | 2017-06-13 | 赵亚青 | A kind of electrothermal pipe |
| CN106851867B (en) * | 2017-02-10 | 2020-02-14 | 赵亚青 | Electric heating pipeline |
| CN108413168A (en) * | 2018-04-19 | 2018-08-17 | 博太科防爆设备（上海）有限公司 | A kind of heating tape introducing device with cradling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150820 |
|
| EXPY | Termination of patent right or utility model |