CN103807591A - Heating system for centralized lubrication pipeline and usage method - Google Patents
Heating system for centralized lubrication pipeline and usage method Download PDFInfo
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- CN103807591A CN103807591A CN201310526810.6A CN201310526810A CN103807591A CN 103807591 A CN103807591 A CN 103807591A CN 201310526810 A CN201310526810 A CN 201310526810A CN 103807591 A CN103807591 A CN 103807591A
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Abstract
The invention discloses a heating system for a centralized lubrication pipeline and a usage method. The system comprises a terminal strip, electric heating nets, return lines, connecting rings, external heating wires, a temperature control switch, a contactor, a timer, a heating power supply and a circuit breaker, wherein the electric heating nets of all oil pipelines are connected in series sequentially through the terminal strip; the electric heating nets are arranged inside the oil pipelines; the return lines are parallel with and insulated from the electric heating nets; the connecting rings are arranged at two ends of each oil pipeline; the temperature control switch is used for controlling connection of the power supply; the contactor is controlled to be connected with the power supply; the timer is responsible for setting of cycles and time; and the circuit breaker plays a role in protection. The electric heating nets, with which the pipelines are sleeved, are electrically connected in series, and the power supply is switched on under the control of the temperature control switch so as to heat the whole pipeline. The method is even and synchronous in pipeline heating effect, one power supply can drive heating of all the branch pipelines, the heating efficiency is high, and the cost is low; and the heating power supply can be adjusted according to specific conditions of the pipelines after laying, so that the method can meet requirements under different conditions more flexibly as well as meet requirements of pipeline transformation in the future.
Description
Technical field
The present invention relates to a kind of heating system, be specifically related to a kind of centralized lubrication pipeline heating system and using method.
Background technique
Under low temperature condition, the lubricated lubricating grease that can select low temperature of equipment, although low temperature grease can guarantee its usability in extremely low temperature, understands equally Yin Wendu and reduces and become thickness more, even forms block.The in the situation that of such low temperature, lubricant grease in longer path and small aperture lubricating pipe transport out-of-date resistance and increase, the situation of very easily intercepting, makes parts can not get effectively lubricating.
The pipeline of centralized lubrication system is thin (being generally 4mm-6mm) and length, and branch line is many, and the power that transports lubricating grease is also dispersed, easily because the thickness of low temperature grease shines into intercepting of lubricating pipe.Centralized lubrication pipeline space is arranged and is disperseed simultaneously, and the environment at the place of each branch line is different, is difficult to unification each branch line is heated simultaneously, and select more cold-resistant low-temperature lubrication grease also can significantly increase the purchase cost of oil product.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art; a kind of heating system for centralized lubrication pipeline is provided, the overall length scope of lubricating pipe is heated, and heating equipments at different levels, different lubricating pipes can be connected together; realize centrally connected power supply, unified control and protection.
For achieving the above object, the present invention adopts following technical proposals:
For a heating system for centralized lubrication pipeline, comprise lubricant pump and lubricating oil path distributor; Described lubricant pump, lubricating oil path distributor communicate by electric heating oil pipe I, and the output terminal of described distributor connects multiple lubricant oil by multiple electric heating oil pipe II and squeezes into a little, a lubricant oil is squeezed into output terminal of a correspondence, and the outside that each lubricant oil is squeezed into is a little wound with resistance wire, described electric heating oil pipe I, electrical heating net, return wire and the resistance wire of motor heat oil pipe II are all connected with contactor after series connection, and described contactor is connected with circuit breaker; Described circuit breaker is by Power supply.
Described electric heating oil pipe I, motor heat oil pipe II include an oil pipe, be provided with a circle heating net in the outside of oil pipe, the thermal insulation layer of heating net outer wrapping insulation, insulation heat preservation layer is provided with return wire, between described heating net and return wire, connects by connecting ring.
The outside that described each lubricant oil is squeezed into is a little wound with resistance wire, the two ends of described resistance wire are connected between electrical heating net and return wire by connecting ring, the outer parcel of resistance wire thermal insulation layer, squeezes into and is a little wrapped on greasing joint at lubricating grease, in order to heat greasing joint.
The lighting outlet of the connecting ring of described each electric heating oil pipe II is connected on a connecting terminal block, and makes the heating tape between a pipeline form series connection by connecting terminal block and by connecting terminal block.
The temperature detect switch (TDS) of connecting between the coil of described contactor and circuit breaker; Be responsible for detecting ambient temperature.After lower than setting temperature, it is electric that its switch motion obtains contactor coil, connects netted power supply.
A described timer of power supply series connection, it is mainly sets heating cycle and time, and is connected with power supply, controls cycle and the time of power supply output.
Described circuit breaker, when the situation of being short-circuited, deenergization in time, and feed back trouble signal.
For a using method for the heating system of lubricating pipe, step is as follows:
Step 1) is laid lubricating pipe;
Step 2) divest the thermal insulation layer of oil pipe at the two ends of electric heating oil pipe, expose the heating net of internal layer;
On the heating net that step 3) exposes at oil pipe, be inserted in connecting ring, utilize connecting ring that the heating net of oil pipe internal layer is caused on the tenminal block of connecting ring, again the return wire of heating oil pipe is also accessed in the tenminal block of connecting ring simultaneously;
Step 4) is squeezed into an end at lubricant oil, external resistance wire is linked on the tenminal block of connecting ring, utilizes the tenminal block of connecting ring to make the heating net on oil pipe form and connect with external resistance wire, return wire;
Step 5) is concentrated side at oil pipe line, by each oil circuit connecting ring upper connecting terminal by the heating net on oil pipe and return wire to picking out lead-in wire; And by outside the gathering in connecting terminal block of lead-in wire access, make electrical heating net, return wire, external resistance wire on each lubricating pipe form series connection, and draw the total joint after series connection;
Step 6) accesses power supply by the total joint after series connection by contactor and circuit breaker;
Step 7) is connected temperature detect switch (TDS) with the coil of contactor, then access power supply in parallel, as determining whether the switch that starts heating system;
Step 8), after all loops connect, is measured the resistance value after the series connection of all electrical heating nets, then selects the magnitude of voltage of heating power supply; (ac power supply is used adjustable transformer regulation output voltage, and direct current utilizes switch power to power to it.）
Step 9) is adjusted Power supply parameter:
Heating time and cycle are set, and can be made as heating cycle identical with lubricated start-up period; Heating time (at least leading 10 minutes) and cover the lubricated time starting in advance, to realize the temperature of the whole process of the preheating before getting and fortune grease to oil product in pipeline.
10) after connecting, in the time arriving the startup heating cycle of setting, power supply supplying power for outside, temperature detect switch (TDS) judges that whether environment temperature is lower than setting value simultaneously.As the temperature detecting is lower than setting value, connects contactor, makes electrical energy transfer to heating net, and whole heating system is powered.
The invention has the beneficial effects as follows:
1. the entire body heating that adds thermal recovery of pair lubricating pipe, heating effect is even, also can access flexibly external heating wire greasing joint (or other devices) is heated simultaneously.
2. for centralized lubrication system, multi-pipeline forms heating simultaneously, can realize a power supply and drive the heating of all branch lines, and the efficiency of heating surface is high, and cost is low, and flexibility is good.
3. shifting to an earlier date also whole process according to the starting time of oil pump and cycle heats oil circuit.
4. because the installation of entirety heating pipeline belongs to series connection form, the uniform heat distribution that each branch line, each position produce.
5. can, according to the concrete condition of having laid rear line, adjust heating power supply, adapt to more flexibly the requirement under different situations, also can meet the demand of pipeline transformation afterwards.
Heating system only in temperature lower than setting value in the situation that and lubricant pump just can periodic startup before starting, saving power.
7. work as heating system short circuit and make disjunction power supply automatically, and report to the police to control system.
Sum up: may be much and very long due to centralized lubrication system branch line, in the time of low temperature, oil product stickiness increases, and the situation such as in long distance fortune is passed process, easily occurs intercepting.And can be to pipeline entirety after application the design's heating pipe line, omnibearing heating, avoids because of the impact of low temperature on lubrication system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The schematic internal view of Fig. 2 electric heating oil pipe;
The outside schematic diagram of Fig. 3 electric heating oil pipe;
The structural representation of Fig. 4 connecting ring;
In figure: 1. lubricant pump, 2. oil pipe, 3. lubricating oil path distributor, 4. terminal row, 5. electrical heating net, 6. return wire, 7. connecting ring, 8. lubricant oil is squeezed into a little, 9. temperature detect switch (TDS), 10. contactor, 11. contactor coils, 12. timers, 13. power supplys, 14. circuit breakers, 15. external resistance wires, 16 thermal insulation layers.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further elaborated, should be noted that following explanation is only in order to explain the present invention, does not limit its content.
As shown in Figure 1, the present invention is a kind of heating system for lubricating pipe, and this system comprises: electric heating oil pipe, return wire 6, gather connecting terminal block, connecting ring 7, power supply 13, temperature detect switch (TDS) 9, timer 12, contactor 10, circuit breaker 14, external resistance wire 15.
The structure of described electric heating oil pipe is similar to shielded cable pattern, and what in it, heating net was close to is wrapped in inner side oil pipe 2 outer walls, by the lubricating pipe of ABAP Adapter electric heating inside, and the thermal insulation layer of electrical heating net 5 outer wrapping insulation,
Described power supply 13 is Ac or direct current.
Described return wire 6 is the line of return after netted energising, should select the copper cash that specific resistance is little, and parallel laying is in the outside of electrical heating net thermal insulation layer.
Institute tells and gathers connecting terminal block 4 and be: in distributor tip, the lighting outlet of the connecting ring of each oil circuit is connected on connecting terminal block 4, and makes the heating tape between a pipeline form series connection by connecting terminal block 4.
Described connecting ring 7 is: at the two ends of oil circuit, resistance net, return wire, the greasing joint resistive heater of heating oil pipe are coupled together according to demand.Its structure as shown in Figure 4, accesses the resistance net of return wire, heating hose, access terminal row, outer meeting resistance silk on the tenminal block on connecting ring 7.
Described temperature detect switch (TDS) 9 is connected with coil and the power supply of contactor 10 respectively, is responsible for detecting ambient temperature.After lower than setting temperature, it is electric that its switch motion obtains contactor coil 11, connects netted power supply.
Described timer is setting heating cycle and time, and is connected with power supply, controls cycle and the time of power supply output.
Described contactor 10 is connected with temperature detect switch (TDS), circuit breaker, in the time that temperature detect switch (TDS) moves, switches on power.
Described circuit breaker 14 is connected with power supply, contactor, when the situation of being short-circuited, and deenergization in time, and feed back trouble signal.
The outer parcel of the external resistance wire thermal insulation layer 16 of telling, squeezes into and is a little wrapped on greasing joint at lubricating grease, in order to heat greasing joint.The two ends of resistance wire are connected with the terminal row on connecting ring respectively, and external resistance wire serial connection is entered to heating circuit.
This device connects the oil pipe 2 of various piece oil drop, be connected to lubricant pump and grease is assigned to the distributor 3 on each point of oil circuit, the terminal row 4 that the electrical heating net of each oil circuit is connected successively, the electrical heating net 5 covering on oil pipe, with electrical heating net parallel and with and the return wire 6 of insulation, get at lubricant oil the connecting ring 7 that the electrical heating net of naming a person for a particular job connects together with return wire electric wire, lubricant oil squeezes into a little 8, control the temperature detect switch (TDS) 9 of power connection, the controlled contactor switching on power 10, coil in contactor, be responsible for setting the timer 12 of heating cycle and time, heating power supply 13, the circuit breaker 14 playing a protective role, to the external resistance wire 15 of greasing joint heating.
For a using method for oil tube heating system, step is as follows:
The outer thermal insulation layer that step 1 divests on electric heating oil pipe 2 two ends exposes inner heating net 5.
Step 3, at the pipeline end at lubricating point 8 places, by the connection of connecting ring 7 upper connecting terminals, is together in series the heating net on electric heating oil pipe 25, return wire 6, external resistive heater 15.
Step 4 is at the pipeline end at distributor 3 places, by the tenminal block on connecting ring 7 to the lead-in wire that picks out heating net 5, return wire 6.
On step 8 power supply 13, connect timing cycle equipment 12, make power supply before lubricated startup and according to setting supplying power for outside heating time.(require should shift to an earlier date more than 10 minutes heating time, and cover all lubricated starting time, heating cycle is identical with the lubricated cycle starting)
Describe in detail for example below:
The power designs power of heating net can be every meter of 20-50W, and the specific resistance of heating net design is 2 Ω/m, and adopts 220V ac power supply, and this voltage adaptation is in the centralized lubrication system of 22-35 rice.
Tubing length, supply voltage is selected, the specific resistance that heating net is every meter, the following formula of relation between the power that heating net is every meter:
The derivation of equation:
Obtain relation
Wherein P is power, and U is supply voltage, and L is tubing length, the specific resistance that Pm is every meter, the power that Pm is every meter.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. for a heating system for centralized lubrication pipeline, comprise lubricant pump and lubricating oil path distributor; It is characterized in that: described lubricant pump, lubricating oil path distributor communicate by electric heating oil pipe I, and the output terminal of described distributor connects multiple lubricant oil by multiple electric heating oil pipe II and squeezes into a little, a lubricant oil is squeezed into output terminal of a correspondence, and the outside that each lubricant oil is squeezed into is a little wound with resistance wire, described electric heating oil pipe I, electrical heating net, return wire and the resistance wire of motor heat oil pipe II are all connected with contactor after series connection, and described contactor is connected with circuit breaker; Described circuit breaker is by Power supply.
2. heating system as claimed in claim 1, it is characterized in that: described electric heating oil pipe I, motor heat oil pipe II include an oil pipe, be provided with a circle heating net in the outside of oil pipe, the thermal insulation layer of heating net outer wrapping insulation, insulation heat preservation layer is provided with return wire, between described heating net and return wire, connects by connecting ring.
3. heating system as claimed in claim 1, it is characterized in that: the outside that described each lubricant oil is squeezed into is a little wound with resistance wire, the two ends of described resistance wire are connected between electrical heating net and return wire by connecting ring, the outer parcel of resistance wire thermal insulation layer, resistance wire is wrapped in lubricating grease and squeezes on greasing joint a little, in order to heat greasing joint.
4. heating system as claimed in claim 1, is characterized in that: the lighting outlet of the connecting ring of described each electric heating oil pipe II is connected on a connecting terminal block, and makes the heating tape between each electric heating oil pipe II form series connection by connecting terminal block.
5. heating system as claimed in claim 1, is characterized in that: the temperature detect switch (TDS) of connecting between the coil of described contactor and circuit breaker; It is responsible for detecting ambient temperature; After lower than setting temperature, it is electric that its switch motion obtains contactor coil, connects netted power supply.
6. heating system as claimed in claim 1, is characterized in that: a described timer of power supply series connection, it is mainly sets heating cycle and time, and is connected with power supply, controls cycle and the time of power supply output.
7. for a using method for the heating system of centralized lubrication pipeline, it is characterized in that, step is as follows:
Step 1) is laid lubricating pipe;
Step 2) divest the thermal insulation layer of oil pipe at the two ends of electric heating oil pipe, expose the heating net of internal layer;
On the heating net that step 3) exposes at oil pipe, be inserted in connecting ring, utilize connecting ring that the heating net of oil pipe internal layer is caused on the tenminal block of connecting ring, again the return wire of heating oil pipe is also accessed in the tenminal block of connecting ring simultaneously;
Step 4) is squeezed into an end at lubricant oil, external resistance wire is linked on the tenminal block of connecting ring, utilizes the tenminal block of connecting ring to make the heating net on oil pipe form and connect with external resistance wire, return wire;
Step 5) is concentrated side at oil pipe line, by each oil circuit connecting ring upper connecting terminal by the heating net on oil pipe and return wire to picking out lead-in wire; And by outside the gathering in connecting terminal block of lead-in wire access, make electrical heating net, return wire, external resistance wire on each lubricating pipe form series connection, and draw the total joint after series connection;
Step 6) accesses power supply by the total joint after series connection by contactor and circuit breaker;
Step 7) is connected temperature detect switch (TDS) with the coil of contactor, then access power supply in parallel, as determining whether the switch that starts heating system;
Step 8), after all loops connect, is measured the resistance value after the series connection of all electrical heating nets, then selects the magnitude of voltage of heating power supply;
Step 9) is adjusted Power supply parameter: heating time and cycle are set, are made as heating cycle with to lubricate start-up period identical; Should be in advance and cover the lubricated time starting heating time, to realize the temperature of the whole process of the preheating before getting and fortune grease to oil product in pipeline;
Step 10) after connecting, in the time arriving the startup heating cycle of setting, power supply supplying power for outside, temperature detect switch (TDS) judges that whether environment temperature is lower than setting value simultaneously; As the temperature detecting is lower than setting value, connects contactor, makes electrical energy transfer to electrical heating net, and whole heating system is powered.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526810.6A CN103807591B (en) | 2013-10-30 | 2013-10-30 | A kind of heating system for centralized lubrication pipeline and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310526810.6A CN103807591B (en) | 2013-10-30 | 2013-10-30 | A kind of heating system for centralized lubrication pipeline and using method |
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| CN103807591A true CN103807591A (en) | 2014-05-21 |
| CN103807591B CN103807591B (en) | 2016-02-24 |
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Citations (7)
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| US20050199210A1 (en) * | 2001-01-31 | 2005-09-15 | Biess Lawrence J. | System and method for supplying auxiliary power to a large diesel engine |
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| CN201575288U (en) * | 2009-12-31 | 2010-09-08 | 鞍钢矿山汽车运输有限公司 | Electrical heating lubricating grease filling machine |
| DE102010027054A1 (en) * | 2010-07-14 | 2012-01-19 | Robert Bosch Gmbh | Suction hose heater for wind turbine, has power source for electromagnetic energy, where power source arranged outside hose such that hose and/or lubricating oil in hose is heated with electromagnetic energy from power source |
| CN102679119A (en) * | 2012-05-25 | 2012-09-19 | 南京贝奇尔机械有限公司 | Balanced beam-pumping unit centralized lubricating system |
-
2013
- 2013-10-30 CN CN201310526810.6A patent/CN103807591B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050199210A1 (en) * | 2001-01-31 | 2005-09-15 | Biess Lawrence J. | System and method for supplying auxiliary power to a large diesel engine |
| CN2606800Y (en) * | 2003-04-26 | 2004-03-17 | 王志福 | Heater of oil supply system of diesel engine |
| CN2673704Y (en) * | 2004-01-12 | 2005-01-26 | 李柏峰 | Nano-electric heating oil discharge pipe for diesel oil vehicle oil box |
| CN201293195Y (en) * | 2007-12-06 | 2009-08-19 | 赵民章 | Temperature controlled apparatus of centralized lubricating system |
| CN201575288U (en) * | 2009-12-31 | 2010-09-08 | 鞍钢矿山汽车运输有限公司 | Electrical heating lubricating grease filling machine |
| DE102010027054A1 (en) * | 2010-07-14 | 2012-01-19 | Robert Bosch Gmbh | Suction hose heater for wind turbine, has power source for electromagnetic energy, where power source arranged outside hose such that hose and/or lubricating oil in hose is heated with electromagnetic energy from power source |
| CN102679119A (en) * | 2012-05-25 | 2012-09-19 | 南京贝奇尔机械有限公司 | Balanced beam-pumping unit centralized lubricating system |
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| CN103807591B (en) | 2016-02-24 |
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