CN112830443B - Integrated movable explosion-proof oil tank electric heating system - Google Patents
Integrated movable explosion-proof oil tank electric heating system Download PDFInfo
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- CN112830443B CN112830443B CN202011643876.XA CN202011643876A CN112830443B CN 112830443 B CN112830443 B CN 112830443B CN 202011643876 A CN202011643876 A CN 202011643876A CN 112830443 B CN112830443 B CN 112830443B
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- 238000005485 electric heating Methods 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 145
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 238000004880 explosion Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 229920001940 conductive polymer Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 38
- 238000003860 storage Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000010354 integration Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/58—Arrangements of pumps
- B67D7/62—Arrangements of pumps power operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/80—Arrangements of heating or cooling devices for liquids to be transferred
- B67D7/82—Heating only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/84—Casings, cabinets or frameworks; Trolleys or like movable supports
Abstract
The invention discloses an integrated movable anti-explosion oil tank electric heating system, which is used for filling lubricating oil, belongs to the technical field of lubricating oil filling, and particularly relates to an integrated movable anti-explosion oil tank electric heating system; the system comprises a trolley, an oil pump motor, an explosion-proof distribution box and an explosion-proof heating cover, wherein the explosion-proof distribution box is respectively connected with a power supply of the oil pump motor and a power supply of the explosion-proof heating cover through power cables; the invention integrates heating and transportation into a whole, and solves the problem of transmission of lubricating oil from an oil drum to a high-level oil storage tank of a unit when the temperature is extremely low.
Description
Technical Field
An integrated movable anti-explosion oil tank electric heating system is used for filling lubricating oil, belongs to the technical field of lubricating oil filling, and particularly relates to an integrated movable anti-explosion oil tank electric heating system.
Background
Lubricating oil plays an extremely important role in the safe operation of the compressor, and not only enables the compressor to fully lubricate each friction part in the operation, reduces the friction power consumption and the load of the contact surface of each part, enhances the sealing performance between the moving parts, effectively diffuses the heat generated by the operation of the compressor, simultaneously prevents the surface of the part from being rusted, prolongs the service life of the part, and reduces the failure rate of the equipment. The service life of the equipment is prolonged.
In the field debugging and use of the reciprocating compressor unit used on the spot, because the compressor adopts an oil lubrication mode, a small amount of lubricating oil enters the cylinder to lubricate the operation of the piston in the operation process of the compressor, then the lubricating oil entering the cylinder is discharged along with the compressed gas, and in addition, the loss factor of the lubricating oil at other parts of the compressor is added, so the lubricating oil is a consumable product as the compressor unit and needs to be supplemented with the lubricating oil in the compressor unit at regular time.
The process of supplementing lubricating oil for the compressor in the operation of the compressor is that lubricating oil which is stored in advance is continuously supplemented to each lubricating part of the unit from a high-position oil storage tank of the unit, the lubricating oil in the high-position oil storage tank needs to be supplemented regularly after being continuously consumed, the high-position oil storage tank of the unit needs to be supplemented in about 5-10 days according to different power and working conditions of the unit, and the oil supplementing amount of each time is about 200L. The oil supplementing process of the unit is to supplement the lubricating oil in a standard 200L oil tank in a form of a manual or electric oil pump. If the oil is not supplemented in time, the operation efficiency of the compressor is seriously influenced.
At present, the conventional lubricating oil of a compressor is different along with the model and working condition of the compressor, the lubricating oil with higher viscosity such as ISO100, ISO150, ISO220 and the like is basically adopted, because a plurality of compressors are installed at places with lower climatic environment, the ambient temperature even reaches about minus 30 degrees particularly in winter, the viscosity of the lubricating oil is increased at the moment, the fluidity is poor, the lubricating oil cannot be smoothly pumped out from an oil drum by an oil pump because the viscosity of the lubricating oil is too high when the lubricating oil is supplemented manually or by an electric oil pump, the oil is supplemented, and the compressor unit can directly cause the alarm stop of the unit or cause the unit damage because of the problem of a lubricating system if the lubricating oil is not supplemented in time in the continuous consumption process of the lubricating oil. Affecting the normal operation of the compressor.
Disclosure of Invention
The invention aims to: the utility model provides an integration portable explosion-proof oil tank electric heating system, with heating and transportation integration as an organic whole, solve when the temperature is low very much, lubricating oil supplyes the transmission problem to the high-order batch oil tank of unit the inside from the oil drum.
The technical scheme adopted by the invention is as follows:
an integrated movable explosion-proof oil tank electric heating system comprises a U-phase line, a V-phase line, a W-phase line, an N-phase line, a PE-phase line, an oil tank, a trolley, an oil pump motor, an explosion-proof distribution box and an explosion-proof heating cover;
the oil pump, the oil pump motor and the explosion-proof distribution box are all fixedly arranged inside the trolley, the oil pump and the oil pump motor are connected through a coupler, the explosion-proof heating cover wraps the outer surface of the oil drum, and the explosion-proof distribution box is respectively connected with the oil pump motor and a power supply of the explosion-proof heating cover through power cables;
the explosion-proof distribution box comprises a main power switch, a heating loop power switch, an explosion-proof bolt I and an explosion-proof bolt II of an oil pump motor power switch;
the explosion-proof bolt I is provided with five wire outlet ends, three of the explosion-proof bolts are correspondingly connected with the wire inlet end of the main power switch, the other two explosion-proof bolts are respectively connected with the N phase line and the PE phase line, and the wire outlet section of the main power switch is respectively connected with the U phase line, the V phase line and the W phase line;
the explosion-proof bolt II is provided with three wire outlet ends, two of the three wire outlet ends are correspondingly connected with the wire inlet end of the heating circuit power switch, the other wire outlet end of the explosion-proof bolt is connected with the PE phase wire, and the wire outlet ends of the heating circuit power switch are respectively connected with the U phase wire and the N phase wire;
the oil pump motor is provided with four wire outlet ends, three of the four wire outlet ends are correspondingly connected with the wire inlet end of the oil pump motor power switch respectively, the other wire outlet end is connected with the PE phase line, and the wire outlet end of the oil pump motor power switch is connected with the U phase line, the V phase line and the W phase line respectively.
Furthermore, explosion-proof heating mantle includes from the explosion-proof heating band of temperature limit, heating band dustcoat and locking band, the heating band dustcoat wraps up in the explosion-proof heating band of self-limit temperature, the locking band is fixed in the surface of heating band dustcoat.
Furthermore, the self-temperature-limiting explosion-proof heating band is composed of a conductive polymer composite material, two parallel metal wires and an insulating sheath.
Furthermore, the heating belt outer cover is composed of elastic silicon rubber glass synthetic cloth and a high-density glass fiber insulating layer.
Furthermore, the handcart also comprises a universal wheel and a foot brake mechanism, wherein the universal wheel is installed at the bottom of the handcart, and the foot brake mechanism is fixedly installed on the universal wheel.
Further, the handcart further comprises a handcart handle, a switch, a car door lock and a thermometer, wherein the handcart handle and the switch are respectively installed at the front end and the rear end of the handcart, the car door lock is installed on one side, close to the oil pump, of the handcart, and the thermometer is placed on the oil drum.
Furthermore, all be equipped with power indicating device between explosion-proof bolt one and U phase line, V phase line, W phase line, N phase line and the PE phase line, be equipped with power indicating device between explosion-proof bolt two and U phase line, V phase line, W phase line, N phase line and the PE phase line, be equipped with power indicating device between oil pump motor switch and U phase line, V phase line, W phase line and the PE phase line.
Furthermore, power indicator includes pilot lamp and pilot lamp insurance, the one end and the N phase line of pilot lamp are connected, and the other end is connected with the pilot lamp insurance, the other end and the U phase line of pilot lamp insurance are connected.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention comprehensively overcomes the defect that the compressor set in many places at present cannot supplement oil in winter. When the oil tank is used, the equipment is pushed out, the power supply and the oil inlet and outlet hose are connected, the oil feeding barrel is sleeved with the explosion-proof heating cover, the explosion-proof heating cover and the oil pump motor are distributed through the explosion-proof distribution box, the explosion-proof heating cover and the oil pump motor start to work, the oil feeding barrel is heated by the explosion-proof heating cover, and lubricating oil is pumped out of the oil tank by the oil pump motor and is fed into the high-level oil storage tank of the compressor. The operation is simple, the protection is perfect, and the safety and the reliability are realized. The compressor unit can be ensured to be filled with lubricating oil into the high-level oil storage tank without stopping, the continuous operation performance of the compressor is provided, the lubricating oil is supplemented without stopping, the lubricating oil is supplemented into the high-level oil storage tank of the unit from the inside of the oil drum, and the labor intensity of field operators is greatly reduced. The problem of difficulty in oil supplement at the use site of compressor units at home and abroad is really solved.
2. The invention relates to a self-temperature-limiting explosion-proof heating belt, which is a flat belt-shaped product consisting of a conductive polymer composite material, two parallel metal wires and an insulating sheath. The "PTC" characteristic, i.e., positive temperature coefficient effect, refers to a characteristic in which the resistivity of a material increases with an increase in temperature and increases sharply at a certain temperature interval. The temperature control electric tracing band can be arbitrarily shortened or lengthened in a certain range for use, and multiple cross overlapping is allowed without the concerns of low temperature hot spots and burning.
3. The oil pump is a reversible cycloid gear oil pump and consists of an oil pump motor, an oil pump and a coupling, and under the driving of the oil pump motor, because an eccentric sleeve is arranged between an inner hole of a pump body and an outer rotor, the eccentric sleeve can rotate along with different directions, the positions of a thick edge and a thin edge in the pump body are automatically adjusted, and oil can be supplied both in positive and negative rotation. Therefore, the problem of the rotating direction of the three-phase motor of the oil pump does not need to be considered, and the condition of wiring phase sequence does not need to be considered in the installation, maintenance and other processes. The device has the advantages of strong adaptability, compact structure, small volume, few parts, stable movement, low noise, high volumetric efficiency and the like.
4. In the invention, the heating and transmission functions of lubricating oil are integrated, the lubricating oil pump in the oil drum, such as a compressor high-level oil tank, can be directly pumped by using an oil pump motor and an oil pump when the temperature is higher in summer, the heating cover is firstly sleeved on the outer surface of the oil drum in winter, and the lubricating oil pump in the oil drum, such as the compressor high-level oil tank, is pumped by using the oil pump after the oil temperature is heated to a proper temperature.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front elevational view of the cart of the present invention;
FIG. 3 is a left side elevational view of the cart of the present invention;
FIG. 4 is a top plan view of the cart of the present invention;
fig. 5 is a schematic diagram of the internal circuit of the explosion-proof distribution box of the present invention;
the mark in the figure is: 1 handcart, 2 shallow handles, 3 universal wheels, 4 service brake mechanisms, 5 car door locks, 6 explosion-proof block terminals, 7 switches, 801 explosion-proof bolt one, 802 explosion-proof bolt two, 9 oil pump motors, 10 oil pumps, 11 oil drums, 12 explosion-proof heating covers, 13 thermometers, 14 power cables, 15 locking belts, 16 main switch, 17 pilot lamp insurance, 18 pilot lamps, 19 heating circuit switch, 20 oil pump motor switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1
Referring to fig. 1-5, the integrated mobile explosion-proof oil tank electric heating system provided by the invention comprises a U-phase line, a V-phase line, a W-phase line, an N-phase line, a PE-phase line and an oil tank 11, and further comprises a trolley 1, an oil pump 10, an oil pump motor 9, an explosion-proof distribution box 6 and an explosion-proof heating cover 12, wherein the oil pump 10, the oil pump motor 9 and the explosion-proof distribution box 6 are all fixedly installed inside the trolley 1, the oil pump 10 and the oil pump motor 9 are connected through a coupler, the explosion-proof heating cover 12 is wrapped on the outer surface of the oil tank 11, the explosion-proof distribution box 6 is respectively connected with power supplies of the oil pump motor 9 and the explosion-proof heating cover 12 through a power cable 14, the explosion-proof distribution box 6 comprises a main power switch 16, a heating circuit power switch 19, an oil pump motor power switch 20, an explosion-proof bolt one 801 and an explosion-proof bolt two 802, the first explosion-proof bolt 801 is provided with five wire outlet ends, three of the five wire outlet ends are correspondingly connected with a wire inlet end of a main power switch 16, the other two wire outlet ends are respectively connected with an N-phase wire and a PE-phase wire, a wire outlet end of the main power switch 16 is respectively connected with a U-phase wire, a V-phase wire and a W-phase wire, the second explosion-proof bolt 802 is provided with three wire outlet ends, two of the three wire outlet ends are correspondingly connected with a wire inlet end of a heating circuit power switch 19, the other wire outlet end of the heating circuit power switch 19 is respectively connected with the U-phase wire and the N-phase wire, the oil pump motor is provided with four wire outlet ends, three of the four wire outlet ends are respectively connected with a wire inlet end of an oil pump motor power switch 20, the other wire outlet end of the oil pump motor power switch 20 is respectively connected with the U-phase wire, the V-phase wire and the W-phase wire.
During the use, with handcart 1 removal to relevant position, with explosion-proof heating cover 12 cover on oil drum 11 surface, the heating element in explosion-proof heating cover 12 possesses the positive temperature coefficient, and the power of generating heat descends gradually along with the temperature rise, reaches thermal balance at last, easily installs. The heating cover selected by the system can heat the oil temperature in the oil drum to be 25-35 degrees, and the system is fast in assembly and convenient to store. The heating cover of the system is made into 3 pieces with the same size, and the heating cover is respectively wound on the upper part, the middle part and the lower part of the oil drum. Wherein, the explosion-proof distribution box 6 plays the role of power distribution and control, and converts the power supply of 380VAC/3P + N + PE into the power supply of the explosion-proof heating cover 12 and the oil pump 10 through the corresponding switch and breaker of the explosion-proof distribution box 6.
In actual field use, the explosion-proof heating cover 12 is taken out, and the explosion-proof heating cover 12 is tightly wrapped on the outer surface of the lubricating oil barrel 11. After the explosion-proof heating cover 12 is wound, the power supply of the explosion-proof heating cover 12 is connected to the second explosion-proof bolt 802 of the explosion-proof distribution box 6 through the power cable 14.
Referring to the figure five, an external power supply of 380VAC/3P + N + PE is connected into the explosion-proof distribution box through an explosion-proof bolt I801, and a main power switch is arranged at a switch-on position; then, the heating loop power switches 19 of the three anti-explosion heating covers 12 are closed one by one to heat the lubricating oil in the oil drum 11. While heating, a thermometer 13 can be inserted into the oil barrel cover position to observe the oil temperature change condition.
When the temperature of lubricating oil rises to > 5 ℃ in the oil drum 11, the viscosity of the lubricating oil diminishes, the oil pump 10 can pump the lubricating oil out through the oil pump motor 9 and send to the high-order oil storage tank of the compressor, the flexible pipe that can advance of the oil pump 10 of system configuration is connected to the oil supply pipe of the compressor unit in the oil drum 11 respectively this moment, close the oil pump motor switch 20, through the rotation of the oil pump motor 9, send the lubricating oil in the oil drum 11 into the high-order oil storage tank of the compressor unit through the oil pump 10, and the non-stop oil filling work of the equipment is completed.
In addition, in summer or when the temperature is higher, the heating function can be not suitable, and the lubricating oil in the oil drum 11 is directly added into the oil storage tank of the equipment by the oil pump 10.
In the device, an oil pump motor 9 is a YBX-90M2-4 type three-phase explosion-proof asynchronous motor, the motor parameter is 380VAC/1.1KW, a matched oil pump 10 is a 2KNB-12.5AF type reversible cycloid gear oil pump, an eccentric sleeve is arranged between an inner hole and an outer rotor of a pump body of the oil pump 10, the eccentric sleeve can rotate along with different directions, the positions of a thick edge and a thin edge in the pump body are automatically adjusted, and both positive and negative rotation can supply oil. Therefore, the problem of the rotation direction of the three-phase motor of the oil pump does not need to be considered, and the condition of wiring phase sequence does not need to be considered in the installation, maintenance and other processes. The device has the advantages of strong adaptability, compact structure, small volume, few parts, stable movement, low noise, higher volumetric efficiency and the like.
Example 2
Referring to fig. 1, on the basis of the first embodiment, the explosion-proof heating cover 12 includes a self-temperature-limiting explosion-proof heating belt, a heating belt housing and a locking belt 15, the heating belt housing is wrapped outside the self-temperature-limiting explosion-proof heating belt, the locking belt 15 is fixed on the outer surface of the explosion-proof heating cover 12, the locking belt 15 is used for fixing the whole explosion-proof heating cover 12 on the oil drum 11, the purpose is to ensure that heat is transferred into the oil drum to the maximum extent, and the self-temperature-limiting explosion-proof heating belt is fixed on the inner surface of the heating belt housing by binding.
Preferably, the self-temperature-limiting explosion-proof heating belt is of a WLD-35-220 type, the power supply voltage is 220VAV, and the power is 2KW. The self-temperature-limiting explosion-proof heating belt is a flat belt-shaped product formed by a conductive polymer composite material, two parallel metal wires and an insulating sheath. The conductive polymer composite material has the characteristic of positive temperature coefficient PTC, is connected in parallel, can automatically adjust the output power along with the temperature change of a heated system, and automatically limits the heating temperature. The "PTC" characteristic, i.e., positive temperature coefficient effect, refers to a characteristic in which the resistivity of a material increases with an increase in temperature and increases sharply at a certain temperature interval. The temperature control electric tracing band can be arbitrarily shortened or lengthened in a certain range for use, and multiple cross overlapping is allowed without the concerns of low temperature hot spots and burning.
Preferably, the heating belt outer cover is composed of elastic silicon rubber glass synthetic cloth and a high-density glass fiber insulating layer, and is good in heat preservation performance, high in flexibility and easy to install. The mobile trolley plays a role in integration, storage and transportation.
Example 3
Referring to fig. 1, on the basis of the first embodiment, the cart 1 further includes a universal wheel 3 and a foot brake mechanism 4, the universal wheel 3 is installed at the bottom of the cart 1, the foot brake mechanism 4 is fixedly installed on the universal wheel 3, the cart 1 further includes a cart handle 2, a switch 7, a door lock 5 and a thermometer 13, the cart handle 2 and the switch are respectively installed at the front end and the rear end of the cart 1, the door lock 5 is installed at one side of the cart 1 close to the oil pump, and the thermometer 13 is placed on the oil drum 11.
In actual field use, the trolley 1 is pushed out to a use position through the universal wheel 3 and the trolley handle 2, and the foot brake 4 is treaded, so that the trolley is prevented from rolling in use. The trolley door lock 5 is then unlocked with the key provided.
Preferably, the thermometer 13 is a WSS401 stainless steel universal bimetallic thermometer with a range of-50-150 ℃.
Example 4
Referring to fig. 5, first 801 and U phase line of explosion-proof bolt, the V phase line, the W phase line, all be equipped with power indicator between N phase line and the PE phase line, second 802 and U phase line of explosion-proof bolt, the V phase line, the W phase line, be equipped with power indicator between N phase line and the PE phase line, oil pump motor switch 20 and U phase line, the V phase line, the W phase line, and be equipped with power indicator between the PE phase line, power indicator includes pilot lamp 18 and pilot lamp insurance 17, the one end and the N phase line of pilot lamp 18 are connected, the other end is connected with pilot lamp insurance 17, the other end and the U phase line of pilot lamp insurance 17 are connected.
When the main power switch 16 is in the on-off position, the corresponding indicator light 18 is on at the moment to indicate that the power supply enters the explosion-proof distribution box, and correspondingly, when the heating loop power switch 19 is in the on-off position, the corresponding indicator light is observed to be on to indicate that the power supply is sent to the three respectively independent explosion-proof heating covers 12; when the power switch 20 of the oil pump motor is in the on position, the corresponding indicator light 18 is on at the moment, which indicates that the power supply enters the oil pump motor; the indicator light fuse 17 is used to protect the indicator light 18 from damage, and the power indicator apparatus can visually observe whether the circuit is on.
Claims (5)
1. An integrated movable type explosion-proof oil tank electric heating system comprises a U-phase line, a V-phase line, a W-phase line, an N-phase line, a PE-phase line and an oil tank (11), and is characterized by further comprising a trolley (1), an oil pump (10), an oil pump motor (9), an explosion-proof distribution box (6) and an explosion-proof heating cover (12);
the oil pump (10), the oil pump motor (9) and the explosion-proof distribution box (6) are fixedly arranged in the trolley (1), the oil pump (10) and the oil pump motor (9) are connected through a coupler, the explosion-proof heating cover (12) wraps the outer surface of the oil drum (11), and the explosion-proof distribution box (6) is respectively connected with the oil pump motor (9) and a power supply of the explosion-proof heating cover (12) through a power cable (14);
the explosion-proof distribution box (6) comprises a main power switch (16), a heating loop power switch (19), an oil pump motor power switch (20), an explosion-proof bolt I (801) and an explosion-proof bolt II (802);
the first explosion-proof bolt (801) is provided with five outlet terminals, wherein three outlet terminals are correspondingly connected with the inlet terminal of the main power switch (16), the other two outlet terminals are respectively connected with the N phase line and the PE phase line, and the outlet terminals of the main power switch (16) are respectively connected with the U phase line, the V phase line and the W phase line;
the second explosion-proof bolt (802) is provided with three wire outlet ends, wherein two wire outlet ends are correspondingly connected with a wire inlet end of a heating circuit power switch (19), the other wire outlet end is connected with a PE phase line, and the wire outlet ends of the heating circuit power switch (19) are respectively connected with a U phase line and an N phase line;
the oil pump motor is provided with four wire outlet ends, wherein the three wire outlet ends are respectively and correspondingly connected with the wire inlet end of the oil pump motor power switch (20), the other wire outlet end is connected with the PE phase line, and the wire outlet end of the oil pump motor power switch (20) is respectively connected with the U phase line, the V phase line and the W phase line;
the anti-explosion heating cover (12) comprises a self-temperature-limiting anti-explosion heating belt, a heating belt outer cover and a locking belt (15), the heating belt outer cover is wrapped outside the self-temperature-limiting anti-explosion heating belt, and the locking belt (15) is fixed on the outer surface of the anti-explosion heating cover (12);
the self-temperature-limiting explosion-proof heating belt in the explosion-proof heating cover (12) is composed of a conductive polymer composite material, two parallel metal wires and an insulating sheath;
the heating belt outer cover is composed of elastic silicon rubber glass synthetic cloth and a high-density glass fiber insulating layer.
2. The integrated mobile explosion-proof oil tank electric heating system of claim 1, wherein the trolley (1) further comprises a universal wheel (3) and a foot brake mechanism (4), the universal wheel (3) is mounted at the bottom of the trolley (1), and the foot brake mechanism (4) is fixedly mounted on the universal wheel (3).
3. The integrated mobile explosion-proof oil tank electric heating system of claim 2, wherein the trolley (1) further comprises a trolley handle (2), a switch (7), a door lock (5) and a thermometer (13), the trolley handle (2) and the switch are respectively installed at the front end and the rear end of the trolley (1), the door lock (5) is installed at one side of the trolley (1) close to the oil pump, and the thermometer (13) is placed on the oil tank (11).
4. The integrated mobile explosion-proof oil tank electric heating system of claim 1, wherein power indicating devices are arranged between the first explosion-proof bolt (801) and the U-phase line, the V-phase line, the W-phase line, the N-phase line and the PE-phase line, power indicating devices are arranged between the second explosion-proof bolt (802) and the U-phase line, the V-phase line, the W-phase line, the N-phase line and the PE-phase line, and power indicating devices are arranged between the oil pump motor power switch (20) and the U-phase line, the V-phase line, the W-phase line and the PE-phase line.
5. The integrated mobile explosion-proof oil tank electric heating system of claim 4, wherein the power supply indicating device comprises an indicating lamp (18) and an indicating lamp fuse (17), one end of the indicating lamp (18) is connected with the N-phase line, the other end of the indicating lamp (18) is connected with the indicating lamp fuse (17), and the other end of the indicating lamp fuse (17) is connected with the U-phase line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643876.XA CN112830443B (en) | 2020-12-31 | 2020-12-31 | Integrated movable explosion-proof oil tank electric heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643876.XA CN112830443B (en) | 2020-12-31 | 2020-12-31 | Integrated movable explosion-proof oil tank electric heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112830443A CN112830443A (en) | 2021-05-25 |
| CN112830443B true CN112830443B (en) | 2022-11-22 |
Family
ID=75927193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011643876.XA Active CN112830443B (en) | 2020-12-31 | 2020-12-31 | Integrated movable explosion-proof oil tank electric heating system |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7993530B2 (en) * | 2006-05-18 | 2011-08-09 | The Southern Company | Systems and methods for portable oil filtration |
| CN201284226Y (en) * | 2008-08-29 | 2009-08-05 | 范福仓 | Electric heating fueller |
| CN202048341U (en) * | 2011-05-05 | 2011-11-23 | 江西铜业股份有限公司 | A lubricating grease pressure pump heating device |
| US20170327369A1 (en) * | 2016-05-16 | 2017-11-16 | Des-Case Corporation | Sensor technology for fluid handling products |
| CN211203608U (en) * | 2020-01-03 | 2020-08-07 | 西南石油大学 | Self-heating oil-submersible electric pump unit oil injection device |
| CN111532602A (en) * | 2020-05-15 | 2020-08-14 | 东台市诚旺电热科技有限公司 | Novel explosion-proof oil drum heating band |
| CN111878694A (en) * | 2020-07-02 | 2020-11-03 | 中国石油大学胜利学院 | Mobile lubricating oil filling and recycling integrated device |
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