CN113750857B - Heavy oil fuel pump filling tool and use method - Google Patents
Heavy oil fuel pump filling tool and use method Download PDFInfo
- Publication number
- CN113750857B CN113750857B CN202111070368.1A CN202111070368A CN113750857B CN 113750857 B CN113750857 B CN 113750857B CN 202111070368 A CN202111070368 A CN 202111070368A CN 113750857 B CN113750857 B CN 113750857B
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- funnel
- heavy oil
- fuel pump
- stirring
- cover
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 161
- 239000000446 fuel Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 71
- 238000003466 welding Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 18
- 238000007789 sealing Methods 0.000 description 13
- 238000005485 electric heating Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention provides a heavy oil fuel pump filling tool and a using method thereof, wherein the heavy oil fuel pump filling tool comprises a funnel, a stirring device arranged in the funnel, a funnel cover fixedly connected to the upper end of the funnel, and a driving device detachably arranged on the funnel cover, the driving device is connected with the stirring device, the stirring device penetrates through the funnel cover, a funnel outlet is arranged at the bottom of the funnel, and the funnel outlet is connected to a filter of a fuel pump. The invention is provided with the driving device and the stirring device, and the driving device drives the stirring device to stir in the funnel, so that the flow speed of heavy oil is accelerated, the mobility of the heavy oil is improved, and the time for injecting the heavy oil in the fuel pump is reduced; the liquid level of the heavy oil added into the funnel is higher than the bottom of the stirring device, but is not more than 5-10cm away from the bottom surface of the funnel cover, so that the stirring device can stir the heavy oil, the problems of excessive heavy oil resistance and difficult stirring are avoided, meanwhile, a part of space is reserved for facilitating the flow of the heavy oil, and the efficiency of the heavy oil injection fuel pump is improved.
Description
Technical Field
The invention relates to the technical field of filling fuel oil of a heavy oil fuel pump on a fuel oil system and filling of a high-viscosity heavy oil pump, in particular to a heavy oil fuel pump filling tool and a use method thereof.
Background
The fuel pump is a device for sucking out fuel from a fuel tank, pressurizing and then delivering the fuel to a combustion chamber for combustion, and has the reputation of a power heart. The fuel pump is arranged on a fuel system in a boiler steam system, and is a device which is specially used for establishing oil pressure to provide fuel for combustion for a boiler, and belongs to special equipment. The fuel pump has higher tightness, and can not work for a long time under the non-lubrication condition, otherwise, the pump body can generate heat because the internal structure of the pump body is mutually worn under the non-lubrication condition, and the fuel pump can be damaged when serious.
The fuel pump is lubricated by the fuel delivered by the fuel pump in operation, and the fuel pump needs to be filled with the lubricant when the fuel pump is started for the first time, so that the pump body is filled with the lubricant, and the pump body is prevented from being damaged due to the operation under the condition of no lubrication. Since fuel oil combusted in a steam power system belongs to heavy oil, the characteristics are: the viscosity is relatively high and the fluidity is poor. In particular, in an environment with low temperature, the shape and the fluidity of the fuel pump are almost similar to those of asphalt, the fuel pump is difficult to build oil pressure once, the oil pressure needs to be repeatedly started and adjusted, a small amount of filled fuel is conveyed out of the pump body during each start, the fuel pump cannot operate under the lubrication-free condition for a long time, and the fuel pump is required to repeatedly perform the process of filling, starting, stopping, filling and starting until the oil pressure can be built at the outlet of the fuel pump, and the fuel is normally conveyed.
Heavy oil has higher viscosity and poorer fluidity, and frequent oil filling is carried out by a filling method of gravity leakage of the heavy oil, so that the debugging period is prolonged, and the debugging difficulty of the fuel pump is increased; in addition, the fuel pump has higher tightness, the pipeline diameters of the suction inlet and the discharge outlet of the fuel pump are smaller, the volume of the fuel filter at the discharge outlet of the fuel pump is smaller, the difficulty of backward flowing fuel is increased, the debugging time is prolonged, the workload of staff is increased, the production progress is influenced, and the production cost is increased.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a heavy oil fuel pump filling tool, which is used for solving the problems of high heavy oil viscosity, poor fluidity and long time consumption depending on self-flowing in the prior art.
To achieve the above and other related objects, the present invention provides a heavy oil fuel pump filling tool, which comprises a funnel, a stirring device arranged in the funnel, a funnel cover fixedly connected to the upper end of the funnel, and a driving device detachably arranged on the funnel cover, wherein the driving device is connected with the stirring device and penetrates through the funnel cover, a funnel outlet is arranged at the bottom of the funnel, and the funnel outlet is connected to a filter of the fuel pump.
Preferably, the stirring device comprises a stirring rod rotatably supported in the funnel cover, a stirring blade bolt connected with the stirring rod, and a stirring blade fixedly mounted on the stirring blade bolt, the driving device is in transmission connection with the stirring rod and drives the stirring rod to rotate, and the stirring blade bolt is fixedly connected with the free end of the stirring rod through an internal thread.
Preferably, the driving device comprises a motor, a first rotary buckle arranged on the end face of the motor and a positioning pin clamping groove arranged on the end face of the motor, the funnel cover comprises a second rotary buckle fixed on the funnel cover and a positioning pin arranged on the funnel cover, the first rotary buckle is clamped and connected with the second rotary buckle, and the positioning pin is connected with the positioning pin clamping groove in an inserting mode.
Preferably, the heavy oil fuel pump filling frock still includes the heater strip protective housing of installing on the funnel, be provided with the heater strip in the heater strip protective housing, the heater strip wiring end is installed at the both ends of heater strip, the heater strip wiring end is connected external electricity.
Preferably, the heavy oil fuel pump filling tool further comprises a temperature sensor detachably mounted on the funnel, and a probe of the temperature sensor is positioned in the funnel.
Preferably, the heavy oil fuel pump filling tool further comprises a filling/deflating pipe fixed on the funnel cover, a first ball valve connected to the filling/deflating pipe, a pressure gauge arranged on the partial filling/deflating pipe between the first ball valve and the funnel cover, and a second ball valve arranged at the inlet of the pressure gauge, wherein the filling/deflating pipe is welded on the funnel cover by adopting seamless welding, and the other free end pipeline at the upper part of the first ball valve is tightly connected with an external compressed air pipe.
Preferably, the heavy oil fuel pump filling tool further comprises a control box fixed on the funnel cover, a wiring port is formed in the control box, and the wiring port is connected with the driving device.
Preferably, the connection port of the control box is also connected with a power distribution box.
Further, the invention further aims to provide a use method of the heavy oil fuel pump filling tool, which is used for solving the problems of high heavy oil viscosity, poor fluidity and long time consumption depending on self-flowing in the prior art.
The application method of the heavy oil fuel pump filling tool comprises the following steps:
s1, enabling a stirring device to pass through a funnel cover, so that the middle lower part of the stirring device is positioned in a funnel;
s2, fixedly connecting the top of the stirring device with a driving device, wherein the driving device is detachably connected to the top surface of the funnel cover;
S3, connecting a funnel outlet at the bottom of the funnel with a filter of the fuel pump;
s4, adding heavy oil into the funnel, so that the liquid level of the heavy oil in the funnel is higher than the bottom of the stirring device, but is not more than 5-10cm away from the bottom surface of the funnel cover;
s5, the funnel cover is fixedly and hermetically connected to the top of the funnel, so that heavy oil is prevented from leaking;
s6, opening a driving device, wherein the driving device drives a stirring device to stir heavy oil in the funnel, so that the fluidity of the heavy oil is improved, and the flowing heavy oil enters the filter from the outlet of the funnel and then enters the fuel pump; and when the liquid level of the heavy oil in the funnel is low, the funnel cover is disassembled, and the steps S4-S5 are repeated until the heavy oil is filled in the fuel pump.
As described above, the heavy oil fuel pump filling tool and the use method thereof have the following beneficial effects:
the invention is provided with the driving device, the stirring device, the heating device and the pressurizing device, the stirring device is driven by the driving device to stir in the funnel, the heavy oil in the funnel is heated by the heating wire, the viscosity of the heavy oil is reduced, the fluidity of the heavy oil is improved, the pressurizing device is used for applying pressure in the funnel to force the heavy oil to flow downwards, and the flow speed of the heavy oil is accelerated, so that the fluidity of the heavy oil is improved, and the time for injecting the heavy oil in the fuel pump is reduced; the liquid level of adding heavy oil in the funnel is higher than the bottom of agitating unit, but not more than 5-10cm apart from the bottom surface of funnel lid, both can guarantee agitating unit and stir heavy oil, avoid heavy oil too much resistance to be big again, cause the problem of stirring difficulty, reserve the flow of the heavy oil of some space convenience of reservation simultaneously, improve heavy oil injection fuel pump's efficiency, this heavy oil fuel pump filling frock has solved the problem that ambient temperature influences heavy oil filling of high viscosity, makes its filling environment no longer receive the low poor restriction of mobility of temperature.
Drawings
FIG. 1 is a schematic structural view of a heavy oil fuel pump filling tool of the present invention;
FIG. 2 is a schematic view of a funnel and filter connection fastening bolt of the heavy oil fuel pump filling tool of the present invention;
FIG. 3 is a cross-sectional view of the funnel of the heavy oil fuel pump filling tool of the present invention taken along the midline;
FIG. 4 is a P-view of FIG. 3;
FIG. 5 is a cross-sectional view in the H-H direction of FIG. 3;
FIG. 6 is a cross-sectional view in the L-L direction of FIG. 3;
FIG. 7 is a schematic structural view of a filler cap of the heavy oil fuel pump filling tool of the present invention;
FIG. 8 is an M-direction view of FIG. 7;
FIG. 9 is a D-D sectional view of FIG. 8;
FIG. 10 is a schematic structural view of a stirrer of the heavy oil fuel pump filling tool of the present invention;
FIG. 11 is a view in the direction A of FIG. 10;
FIG. 12 is a view in the B direction of FIG. 10;
FIG. 13 is a schematic structural view of a stirring vane of the heavy oil fuel pump filling tool of the present invention;
FIG. 14 is a cross-sectional view of the heavy oil fuel pump filling tool of the present invention with the filter and fuel pump omitted;
FIG. 15 is an E-E cross-sectional view of FIG. 14;
FIG. 16 is a schematic view of the T-bolt fastener of FIG. 15;
FIG. 17 is a schematic view of a sealing rubber gasket between a funnel cover and a funnel of the heavy oil fuel pump filling tool of the present invention;
FIG. 18 is a space diagram of a control box of the heavy oil fuel pump filling tool of the present invention;
FIG. 19 is an internal schematic view of a control box of the heavy oil fuel pump filling tool of the present invention;
FIG. 20 is an N-directional view of FIG. 19, with the control box omitted;
FIG. 21 is an electrical schematic diagram of a control box of the heavy oil fuel pump filling tool of the present invention.
Description of element reference numerals
1. A funnel;
12. a funnel U-shaped fixed earring;
13. a funnel flange;
14. a funnel outlet;
15. funnel flange bolt holes;
16. a wire support;
2. a funnel cover;
21. a first ball valve;
22. a charge/discharge pipe;
23a T type bolts;
23b T type bolt rotor;
24 T-shaped bolt gaskets;
25. a butterfly nut;
26. a second ball valve;
27. a pressure gauge;
28. the funnel cover is U-shaped to fix the earrings;
29. the second rotary buckle;
30 T-shaped bolt spring gaskets;
3. A motor;
301. a motor junction box;
312. a control box ear plate;
313. a control box fastening screw;
314. a control box support;
31. a control box;
32. a stirring rod;
33. stirring blades;
34. a positioning pin;
35. sealing filler;
36. a first rotary buckle;
37. a locating pin clamping groove;
38. an internal thread;
39. stirring blade bolts;
4. sealing the rubber gasket;
5. a flange connecting bolt;
51. a flange is connected with the gasket;
52. a flange connection nut;
53. the flange is connected with a spring gasket;
6. a filter;
61. a filter outlet;
62. a filter inlet;
63. a filter flange;
64. a filter outlet valve;
7. A fuel pump;
71. a fuel pump inlet;
72. a fuel pump outlet;
8. a temperature sensor;
81. a temperature sensor base plate;
82. a temperature sensor terminal;
83. welding seams;
84. a temperature sensor connecting bolt;
9. a heating wire;
91. a heating wire protective shell;
92. a heating wire terminal;
93. a heating wire fastening screw;
94. a heating wire fixing bottom plate;
101. a first contactor;
102. a second contactor;
103. a first fuse;
104. a second fuse;
105. a third fuse;
106. a fourth fuse;
107. a first wire;
108. a second wire;
109. a third wire;
110. a thermal relay;
111. A temperature controller;
112. a power switch;
113. a motor switch;
114. a heating wire switch;
115. a power supply wire;
116. a power indicator light;
117. an electric heating indicator lamp;
118. the motor operates the pilot lamp;
119. a motor start button;
120. a motor stop button;
121. a power distribution box.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are otherwise, required to achieve the objective and effect taught by the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
As shown in fig. 1 to 3, the invention provides a heavy oil fuel pump filling tool, which comprises a funnel 1, a stirring device rotatably arranged in the funnel 1, a funnel cover 2 fixedly connected to the upper end of the funnel 1, and a driving device detachably arranged on the funnel cover 2, wherein the driving device is in transmission connection with the stirring device and penetrates through the funnel cover 2, a funnel outlet 14 is arranged at the bottom of the funnel 1, and the funnel outlet 14 is connected to a filter 6 of a fuel pump 7 through a flange assembly.
The invention relates to a heavy oil fuel pump filling tool, which is characterized in that a funnel outlet 14 at the bottom of a funnel 1 is connected to a filter 6 through a flange assembly, heavy oil is added into the funnel 1, a funnel cover 2 is fixedly connected to the funnel 1, a driving device is started, and the driving device drives a stirring device to stir the heavy oil in the funnel 1, so that the heavy oil can quickly enter the filter 6 and enter a fuel pump 7.
According to the heavy oil fuel pump filling tool, the driving device drives the stirring device to stir heavy oil in the funnel 1, the heating wire is used for heating the heavy oil in the funnel, the viscosity of the heavy oil is reduced, the fluidity of the heavy oil is improved, the pressurizing device is used for applying pressure to the funnel to force the heavy oil to flow downwards, and the flow of the heavy oil is accelerated, so that the efficiency of the heavy oil entering the fuel pump 7 can be improved, the time for filling the heavy oil in the fuel pump 7 is reduced, and the efficiency of the heavy oil filling the fuel pump 7 is improved.
Further, the fastening connection structure between the funnel cover 2 and the funnel 1 is: as shown in fig. 8 and 14, a plurality of funnel cover U-shaped fixing lugs 28 are uniformly distributed on the circumferential edge wall of the funnel cover 2, two funnel cover U-shaped fixing lugs 28 are in a group, a plurality of funnel U-shaped fixing lugs 12 are uniformly distributed on the circumferential edge wall of the funnel 1, the number of the groups of the funnel cover U-shaped fixing lugs 28 corresponds to the number of the funnel U-shaped fixing lugs 12 one by one, and the funnel cover U-shaped fixing lugs are connected in a matched manner through a threaded component; in this embodiment, the number of U-shaped retaining lugs 28 of the funnel cover is six. Further, as shown in fig. 7, 9, 15 and 16, the screw assembly between the funnel cover U-shaped fixing ear 28 and the funnel U-shaped fixing ear 12 comprises: the T-shaped bolt rotor 23b penetrating through the U-shaped fixed earrings 28 of the funnel cover, the T-shaped bolt 23a vertically welded downwards on the T-shaped bolt rotor 23b, the T-shaped bolt gasket 24 sleeved on the T-shaped bolt 23a, the T-shaped bolt spring gasket 30 sleeved on the T-shaped bolt 23a and the butterfly nut 25 screwed on the bottom of the T-shaped bolt 23a, wherein the T-shaped bolt 23a penetrates downwards through the U-shaped fixed earrings 12 of the funnel cover, and the T-shaped bolt 23a is tightly connected with the U-shaped fixed earrings 28 of the funnel cover through the T-shaped bolt gasket 24, the T-shaped bolt spring gasket 30 and the butterfly nut 25.
Further, as shown in fig. 1, 2, and 3, the flange assembly connected between the funnel outlet 14 and the filter 6 of the fuel pump 7 includes: the funnel flange 13 welded on the funnel outlet 14, the filter flange 63 at the top of the filter 6, the flange connection bolt 5 penetrating the funnel flange 13 and the filter flange 63, the flange connection gasket 51 and the flange connection spring gasket 53 which are all sleeved on the flange connection bolt 5, and the flange connection nut 52 which is connected with the bottom of the flange connection bolt 5 in a threaded manner. Further, a funnel flange bolt hole 15 is formed in the funnel flange 13.
Preferably, as shown in fig. 7, 10, 12 and 13, the stirring device comprises a stirring rod 32 rotatably supported in the funnel cover 2, a stirring blade bolt 39 in threaded connection with the stirring rod 32, and a stirring blade 33 welded on the stirring blade bolt 39, and the driving device is in driving connection with the stirring rod 32 to drive the stirring rod 32 to rotate, and the stirring blade bolt 39 is in fastening connection with the bottom end of the stirring rod 32 through an internal thread 38. Further, the stirring rod 32 and the funnel cover 2 are fixed in a sealing way through the sealing filler 35, so that heavy oil in the funnel 1 is prevented from leaking.
Preferably, as shown in fig. 1, 7, 8, 10 and 11, the driving device comprises a motor 3, a first rotary buckle 36 welded on the bottom surface of the motor 3, and a positioning pin clamping groove 37 formed on the bottom of the motor 3, the funnel cover 2 comprises a second rotary buckle 29 welded on the top surface of the funnel cover 2, and a positioning pin 34 welded on the top surface of the funnel cover 2, the first rotary buckle 36 is in clamping connection with the second rotary buckle 29, and the positioning pin 34 is in plug connection with the positioning pin clamping groove 37, so that the motor 3 is mounted on the funnel cover 2. Further, the stirring rod 32 is welded with the transmission shaft of the motor 3, and the stirring rod 32 penetrates through a preformed hole formed in the funnel cover 2, and the preformed hole is internally provided with the sealing filler 35, so that the transmission shaft of the motor 3 is guaranteed to rotate without clamping stagnation after being welded with the stirring rod 32, and meanwhile heavy oil leakage is avoided. Further, the motor 3 adopts a low-speed motor, the rotating speed of the motor 3 is between 100 rpm and 300rpm, the lower rotating speed is favorable for filling heavy oil, meanwhile, shaking of a driving device during rotation is reduced, upward movement of heavy oil caused by too high speed and too high centrifugal force is avoided, looseness of electric elements can be avoided, and the service life of a tool is prolonged. Further, the first rotary buckle 36 is in clamping connection with the second rotary buckle 29, so that the motor 3 can be ensured not to jump upwards axially to vibrate when being started; the locating pin 34 is connected with the locating pin clamping groove 37 in an inserting mode, and can ensure that the motor 3 is prevented from rotating circumferentially and radially under the resistance of heavy oil in the stirring working process.
Preferably, as shown in fig. 3 and 5, the heavy oil fuel pump filling tool further comprises a heating wire protecting shell 91 circumferentially welded on the outer wall of the funnel 1, a heating wire 9 is arranged in the heating wire protecting shell 91, heating wire terminals 92 are arranged at two ends of the heating wire 9, and the heating wire terminals 92 are connected with external electricity. Further, as shown in fig. 4 and 6, a heating wire fixing bottom plate 94 is further disposed between the heating wire protecting shell 91 and the funnel 1, the heating wire protecting shell 91 is welded on the heating wire fixing bottom plate 94, the heating wire fixing bottom plate 94 is fastened on the funnel 1 through a heating wire fastening screw 93, screw holes are formed in the funnel 1 in advance, the number of the heating wire fixing bottom plates 94 is four, and the heating wire protecting shell can be quickly detached and replaced when the heating wire 9 fails.
Preferably, as shown in fig. 1, 3 and 14, the heavy oil fuel pump filling tool further comprises a temperature sensor 8 detachably mounted on the funnel 1, and a probe of the temperature sensor 8 is positioned in the funnel 1. Further, as shown in fig. 14, a temperature sensor bottom plate 81 is further arranged between the temperature sensor 8 and the funnel 1, a threaded hole is formed in the temperature sensor bottom plate 81, the temperature sensor bottom plate 81 is welded on the outer wall of the funnel 1 and forms a welding seam 83, and a temperature sensor terminal 82 of the temperature sensor 8 is fastened in the threaded hole in the temperature sensor bottom plate 81 through a temperature sensor connecting bolt 84, so that rapid replacement can be ensured when the temperature sensor 8 fails; the temperature sensor 8 is used for detecting the temperature parameter of the heavy oil in the funnel 1 in real time.
Preferably, as shown in fig. 1, 7 and 14, the heavy oil fuel pump filling fixture further comprises a filling/discharging pipe 22 fixedly inserted on the funnel cover 2, a first ball valve 21 connected on the filling/discharging pipe 22, a pressure gauge 27 installed on a part of the filling/discharging pipe 22 between the first ball valve 21 and the funnel cover 2, and a second ball valve 26 installed at an inlet of the pressure gauge 27; further, the filling/discharging pipe 22 is welded on the funnel cover 2 by adopting seamless welding, and the welding requirements are as follows: the outer part of the air pump is smooth and flat, no burrs and barriers exist, the pressure gauge 27, the first ball valve 21 and the air filling/discharging pipe 22 are in threaded sealing connection, and the other free end pipeline at the upper part of the first ball valve 21 on the air filling/discharging pipe 22 is tightly connected with an external compressed air pipe. The inflation/deflation pipe 22 and the pressure gauge 27, the first ball valve 21 and the second ball valve 26 can inflate/deflate the funnel 1, and control and monitor the pressure in the funnel 1.
Preferably, as shown in fig. 1, 7 and 14, the heavy oil fuel pump filling tool further comprises a control box 31 fixed on the funnel cover 2, and a wiring port is formed in the control box 31 and connected with the driving device. Further, in this embodiment, a control box support 314 is further disposed between the control box 31 and the funnel cover 2, a control box ear plate 312 is welded on the outer wall of the control box 31, the control box ear plate 312 is fastened and connected with the control box support 314 by a control box fastening screw 313, the control box support 314 is welded on the funnel cover 2, and the welding requirements are as follows: no burr, no blocking and smooth and flat outer part; when the control box 31 fails, the control box 31 can be removed by removing the control box fastening screw 313. Further, as shown in fig. 18, the control box 31 is a rectangular metal box, and the following components are disposed on the front panel of the control box 31: a power indicator 116, an electric heating indicator 117, and a motor operation indicator 118 for displaying the operation state of the apparatus; a temperature controller 111 for operating the device, a motor start button 119, and a motor stop button 120; as shown in fig. 19 and 20, the control box 31 is internally provided with a first contactor 101, a second contactor 102, a thermal relay 110, a heater wire switch 114, a motor switch 113, a power switch 112, a first fuse 103, a second fuse 104, a third fuse 105, and a fourth fuse 106. Wherein the motor start button 119 and the motor stop button 120 are respectively in communication connection with the motor running indicator lamp 118 and the motor switch 113; the power indicator 116 is in communication with the power switch 112; the temperature controller 111 is respectively connected with the electric heating indicator lamp 117, the heating wire switch 114 and the thermal relay 110 in a communication way; further, as shown in fig. 21, in the connection circuit of the heating wire 9, the temperature controller 111 can keep the temperature of the heavy oil within the range of 40-70 ℃ through the temperature detected by the temperature sensor 8, when the temperature is lower than 40 ℃, the heating wire 9 starts to work to heat the heavy oil in the hopper 1, and when the temperature is higher than 70 ℃, the heating wire 9 stops heating. Thus, the heating temperature of the heavy oil is ensured to be within a certain range, and personnel scalding caused by careless contact of personnel due to overhigh surface temperature of the funnel 1 is avoided. (the specific temperature range can be set and adjusted by oneself according to the requirement of fluidity of heavy oil)
Preferably, as shown in fig. 21, the symbols in the drawings represent the following meanings: QF1: power switch 112, QF2: motor switches 113, QF3: a heater wire switch 114; FU1: first fuses 103, FU2: second fuse 104, FU3: third fuse 105, FU4, fourth fuse 106; HL1 power indicator lights 116, HL2: motor running indicator lights 118, HL3: an electric heating indicator lamp 117; SB1: motor start button 119, SB2: a motor stop button 120; KM1: first contactor 101, KM2: a second contactor 102; FR: thermal relay 110. As shown in fig. 21, the power switch 112 is connected to a 220v bus, the 220v circuit is connected to the motor 3 through the first contactor 101 and the thermal relay 110, the motor switch 113 is connected to the top end interface of the first contactor 101, and forms a loop through the first fuse 103, the motor start button 119, the motor stop button 120, the normally closed thermal relay and the second fuse 104, wherein the power indicator 117 is connected between the first fuse 103 and the second fuse 104 in parallel, two contact switches KM1-1 and KM1-2 are arranged below the motor start button 119, the two contact switches KM1-1 and KM1-2 are two normally open auxiliary contacts of the first contactor 101, when the electromagnetic core of the first contactor 101 is powered on, the two auxiliary contact switches KM1-1 and KM1-2 are closed, when the core of the first contactor 101 is powered off, the two auxiliary contact switches KM1-1 and KM1-2 are opened, and KM1 beside the SB1 is the electromagnetic core of the first contactor 101. When the power switch 112 and the motor switch 113 are closed, the motor starting button 119 is pressed, the electromagnetic core of the first contactor 101 is electrified to drive the auxiliary contact switches KM1-1 and KM1-2 to be closed, the motor running indicator lamp 118 is electrified, the electromagnetic core of the first contactor 101 is electrified to switch on the main contact of the first contactor 101 above the motor 3, and the motor 3 rotates; pressing a motor stop button 120, switching off the electromagnetic core of the first contactor 101 to drive the auxiliary contact switches KM1-1 and KM1-2 to be switched off, switching off the motor running indicator lamp 118, switching off the main contact of the first contactor 101 above the motor 3 by switching off the electromagnetic core of the first contactor 101, and stopping rotation of the motor 3; as shown in fig. 21, the heater wire switch 114 is arranged on a 220v bus, a 220v circuit passes through the third fuse 105, the second contactor 102, the heater wire 9 and the fourth fuse 106 to form a loop, wherein the control circuit of the heater wire 9 is connected in parallel with two ends of the heater wire 9 to form a loop through a 70 ℃ temperature control switch, a 40 ℃ temperature control switch and an electromagnetic core of the second contactor 102, a contact switch KM2-1 is arranged below the 40 ℃ temperature control switch, and an electric heating indicator lamp 117 is connected in parallel with the electromagnetic core circuit of the second contactor 102. When the power switch 112 and the heating wire switch 114 are turned on, when the temperature of heavy oil is lower than 40 ℃, the temperature control switch at 40 ℃ is turned on, the electromagnetic core of the second contactor 102 is electrified, the auxiliary contact switch KM2-1 is turned on, the electric heating indicator lamp 117 is electrified, the electromagnetic core of the second contactor 102 is electrified to switch on the main contact of the second contactor 102 above the heating wire 9, and the heating wire 9 works; when the temperature control switch at 70 ℃ detects that the temperature reaches 70 ℃, the temperature control switch at 70 ℃ is automatically turned off, the electromagnetic core of the second contactor 102 is powered off, the auxiliary contact switch KM2-1 is turned off, the electric heating indicator lamp 117 is powered off, the electromagnetic core of the second contactor 102 is powered off to disconnect the main contact of the second contactor 102 above the heating wire 9, and the heating wire 9 stops heating. (40 ℃ temperature control switch is a normally open switch, 70 ℃ temperature control switch is a normally closed switch; SB1 is a normally open switch of motor start button 119, SB2 is a normally closed switch of motor stop button 120, contact switches KM1-1, KM1-2 are two normally open auxiliary contacts of first contactor 101, contact switch KM2-1 is one normally open auxiliary contact of second contactor 102, when two contactors get electricity, KM1-1, KM1-2, KM2-1 realize locking, when two contactors lose electricity, KM1-1, KM1-2, KM2-1 realize disconnection).
Preferably, as shown in fig. 1, four connection ports are formed on the control box 31, wherein the left end port is connected with the motor junction box 301 of the motor 3 through the third wire 109; the third wiring port from the left is connected with the heating wire terminal 92 through a first wire 107; the second wiring port from the left is connected to the temperature sensor terminal 82 through a second wire 108; the right-side terminal is connected to the power distribution box 121 through the power wire 115 for supplying power to the control box 31. Further, the shell of the funnel 1 is welded with a wire support 16, and the first wire 107 and the second wire 108 are orderly arranged on the wire support 16, so that damage and leakage of the outer surface of the wire due to overhigh surface temperature of the funnel 1 are prevented.
Further, the invention also provides a use method of the heavy oil fuel pump filling tool, which is used for solving the problems of high heavy oil viscosity, poor fluidity and long time consumption depending on self-flowing in the prior art, and comprises the following specific steps:
and (C) assembling the heavy oil fuel pump filling tool before use:
a1, installing a temperature sensor 8: firstly, welding a temperature sensor bottom plate 81 matched with a proper internal thread on the lower end position of the surface of a shell of a funnel 1, inserting a temperature sensor 8 into a hole formed in the funnel 1 in advance, enabling the temperature sensor 8 to be in contact with the inside of the funnel 1, and fastening the temperature sensor 8 on the temperature sensor bottom plate 81 matched with the proper internal thread through threaded connection on a temperature sensor connecting bolt 84; the raw material belt is adopted for sealing during fastening, so that heavy oil leakage is avoided;
A2, installing a heating wire 9: firstly, the heating wire protective shell 91 is welded on the heating wire fixing bottom plate 94, the heating wire 9 penetrates into the heating wire protective shell 91, two ends of the heating wire 9 are connected with the heating wire connecting terminals 92, and the heating wire protective shell 91 is fastened on the surface of the shell of the funnel 1 through the heating wire fixing bottom plate 94 and the heating wire fastening screws 93.
A3, assembling the internal elements of the control box 31: as shown in fig. 18, 19 and 20, a power indicator 116, an electric heating indicator 117, a motor operation indicator 118, a motor start button 119, a motor stop button 120 and a temperature controller 111 are mounted on the front panel of the control box 31, and a first contactor 101, a second contactor 102, a first fuse 103, a second fuse 104, a third fuse 105, a fourth fuse 106, a thermal relay 110, a power switch 112 and a motor switch 113 are mounted inside the control box 31 and wired according to the circuit diagram shown in fig. 21;
a4, mounting a control box 31: the control box support 314 is welded on the funnel cover 2 after being provided with a threaded hole, the control box ear plate 312 is welded on the outer wall of the control box 31, and the control box ear plate 312 is fixedly connected with the control box support 314 through the control box fastening screw 313;
A5, installing an inflation/deflation pipe 22: the first ball valve 21 is connected to the air charging/discharging pipe 22 through threads, a branch pipe is led out between the first ball valve 21 and the bottom end of the air charging/discharging pipe 22, the branch pipe is connected with the pressure gauge 27 through threads, and the second ball valve 26 is connected between the pressure gauge 27 and the air charging/discharging pipe 22 through threads; the filling/discharging pipe 22 provided with the first ball valve 21, the second ball valve 26 and the pressure gauge 27 is inserted through the funnel cover 2 and enters the funnel 1, the filling/discharging pipe 22 is welded on the funnel cover 2 in a seamless manner, the other free end pipeline at the upper part of the first ball valve 21 on the filling/discharging pipe 22 is tightly connected with an external compressed air pipe, and all threaded joints are sealed, so that gas is prevented from leaking when the funnel 1 is pressurized through the filling/discharging pipe 22;
a6, installing a stirring device: firstly, as shown in fig. 13, the stirring blade 33 is welded on the stirring blade bolt 39, then, as shown in fig. 10, the stirring blade bolt 39 is screwed into a threaded hole at the bottom end of the stirring rod 32 through an internal thread 38, the top end of the stirring rod 32 passes through a preformed hole in the center of the funnel cover 2, and a sealing filler 35 is arranged in the hole, so that the stirring rod 32 does not have the rotation in a stagnation manner in the sealing filler 35, meanwhile, heavy oil does not leak, and larger air leakage does not occur during pressurization;
A7, installing a motor 3: firstly, the top end of a stirring rod 32 is welded with a transmission shaft of a motor 3, then a first rotary buckle 36 on the bottom end surface of the motor 3 is screwed into a second rotary buckle 29 on a funnel cover 2 as shown in fig. 7, 10 and 11, and the motor 3 is rotated circumferentially until a positioning pin 34 on the upper end surface of the funnel cover 2 is clamped in a positioning pin clamping groove 37 at the bottom of the motor 3, so that the motor 3 is fixed on the funnel cover 2, and the motor 3 is prevented from rotating circumferentially and radially and jumping up and down axially when the motor 3 is started;
a8, installing a funnel cover 2: as shown in fig. 15, the T-shaped bolt rotor 23b is inserted into the U-shaped fixed ear 28 of the funnel cover, and the T-shaped bolt rotor 23b is ensured to rotate without obstruction, and the T-shaped bolt 23a is vertically welded at the midpoint of the T-shaped bolt rotor 23 b; the funnel cover 2 with the motor 3, the control box 31 and the charging/discharging pipe 22 is buckled on the top of the funnel 1, and the U-shaped fixed earrings 28 of the funnel cover are aligned with the U-shaped fixed earrings 12 of the funnel; rotating the T-shaped bolt 23a, and rotating the T-shaped bolt 23a around the T-shaped bolt rotor 23b to clamp the T-shaped bolt 23a in the funnel U-shaped fixed earring 12; a T-shaped bolt gasket 24, a T-shaped bolt spring gasket 30 and a butterfly nut 25 are sequentially arranged below the funnel U-shaped fixing earring 12 as shown in fig. 16, so that the funnel cover 2 is fixedly connected with the funnel 1, and a sealing rubber gasket 4 is arranged between the contact surfaces of the funnel cover 2 and the funnel 1 as shown in fig. 17, and the sealing effect is achieved, so that the overflow of heavy oil after pressurization is prevented.
A9, connecting lines: as shown in fig. 1, the left end of the controller is connected to a motor junction box 301 of the motor 3 through a third wire 109; the third wiring port from the left is connected with the heating wire terminal 92 through a first wire 107; the second wiring port from the left is connected to the temperature sensor terminal 82 through a second wire 108; the right-end terminal is connected with a power distribution box 121 through a power wire 115, and the power distribution box 121 is externally connected with 220v voltage and is used for supplying power to the control box 31; welding a wire support 16 on the shell of the funnel 1, and neatly arranging a first wire 107 and a second wire 108 on the wire support 16 to prevent the damage and leakage of the outer surface of the wire caused by the overhigh temperature of the surface of the funnel 1;
a10, a test circuit: after the wiring is completed, the power switch 112, the motor switch 113 and the heater wire switch 114 are sequentially closed to electrify the internal elements of the control box 31, and whether each indicator lamp is lighted or not is checked: if the power indicator lamp 116 and the electric heating indicator lamp 117 are not on, the power switch 112 is turned off to remove faults of all electric elements in the control box 31; if the power indicator lamp 116 and the electric heating indicator lamp 117 are on, the motor start button 119 is pressed to check whether the motor operation indicator lamp 118 is on or not and whether the motor 3 is running or not, and if the motor operation indicator lamp 118 is not on and the motor 3 is not running, the power switch 112 is turned off to perform fault elimination on all electrical components in the control box 31; if the motor running indicator lamp 118 is on, the motor 3 runs, the motor stop button 120 is pressed down, and whether the motor running indicator lamp 118 is off or not and whether the motor 3 stops running or not are checked; if abnormality is found, performing fault investigation firstly until all control loops are normal, and then sequentially switching off the power switch 112, the motor switch 113 and the heating wire switch 114 to power off the control box 31 and internal elements;
A11, checking air tightness: the funnel outlet 14 is plugged, the first ball valve 21 and the second ball valve 26 are opened, the other free end of the upper part of the first ball valve 21 on the air filling/discharging pipe 22 is connected with an external compressed air pipe, the first ball valve 21 is opened to fill compressed air into the funnel 1 through the air filling/discharging pipe 22, when the pressure of the pressure gauge 27 reaches about 0.05Mpa, the first ball valve 21 is closed, whether the indication of the pressure gauge 27 is reduced is observed, if the indication is reduced, all connecting ports of the funnel 1 are checked, sealing is carried out again, and no leakage of the pressure is ensured. (wherein, the specific charging pressure can be determined according to the flowing speed of the heavy oil and the tightness of the heavy oil fuel pump filling tool when the heavy oil is filled, and the heavy oil can flow at a proper speed without leakage and leakage
Preferably, in the assembling step before the heavy oil fuel pump filling tool is used, the size of the funnel flange 13 can be processed according to the size of the filter flange 63 of the filter 6 body; all joints adopting threaded connection and welding are required to have no leakage phenomenon when in use after connection; all welding treatment requires no burrs inside, is smooth and flat and has no blockage; all supports, seat boards and ear boards can be sized according to actual demands, and the lengths of all wires can be cut according to the actual demands, so that the appearance is guaranteed, and materials are saved.
Operation method B for heavy oil fuel pump filling tool in use
B1, the upper end cover of the filter 6 on the fuel pump outlet 72 is detached, a funnel flange 13 is fixedly connected with a filter flange 63 through a flange assembly as shown in fig. 1 and 2, the funnel 1 is arranged on the filter 6, a paper gasket is arranged between the funnel flange 13 and the filter flange 63, and no looseness and no permeation are required after connection;
b2, removing the butterfly nut 25 below the U-shaped fixed earring 12 of the funnel, removing the funnel cover 2 from the funnel 1, adding heavy oil into the funnel 1, wherein the liquid level of the heavy oil exceeds the highest value of the heating wire 9 and the stirring blade 33 and does not exceed the position of about 5-10cm (according to the actual funnel size) of the lower surface of the funnel cover 2;
b3, repeating the operation of the A8, and mounting the funnel cover 2 back to the funnel 1, wherein no leakage of air and heavy oil is required;
b4, closing the filter outlet valve 64, opening the first ball valve 21 and the second ball valve 26, connecting the top end of the air charging/discharging pipe 22 with an external compressed air pipe, charging compressed air into the funnel 1 through the air charging/discharging pipe 22, pressurizing heavy oil in the funnel 1, forcing the heavy oil to flow downwards faster, and closing the first ball valve 21 when the pressure of the pressure gauge 27 reaches about 0.05 Mpa;
B5, sequentially closing a power switch 112, a motor switch 113 and a heating wire switch 114, electrifying the internal elements of the control box 31, and electrifying the heating wire 9 to heat the heavy oil in the hopper 1; pressing a motor starting button 119, powering on a motor 3 to drive a stirring rod 32 to rotate, stirring heavy oil in a funnel 1 by a stirring blade 33, accelerating the flow rate of the heavy oil, and simultaneously enabling the heavy oil to be heated uniformly, so as to avoid coking caused by local overheating; the temperature sensor 8 detects the temperature of the heavy oil and transmits the detected temperature parameter feedback to the temperature controller 111; as shown in the circuit of the heating wire 9 in fig. 21, whether the heating wire 9 is heated below 40 ℃ and stops heating at about 70 ℃ is observed, the heavy oil temperature is ensured to be within the range of 40-70 ℃, and if abnormality is found, the power switch 112 is immediately turned off to remove the fault;
b6, observing the pressure indication of the pressure gauge 27, and when the pressure indication of the pressure gauge 27 is reduced to about 0.02Mpa, opening the first ball valve 21 to inflate the funnel 1, so that the inflation can be repeated for a plurality of times, and the pressure in the funnel 1 is maintained between 0.02Mpa and 0.05 Mpa. When the pressure gauge 27 is found to be fast in pressure indication drop, the heavy oil level in the funnel 1 is proved to be low, the heavy oil quantity is not large, the funnel 1 is not required to be supplemented at the moment, and the pressure gauge 27 is waited to be slow in pressure indication drop until the pressure indication drop is close to 0Mpa; heavy oil enters the filter 6 from the funnel outlet 14 and enters the fuel pump 7 through the filter inlet 62 in the processes of pressurization, heating and stirring;
B7, when the pressure indication of the pressure gauge 27 is close to 0Mpa, the motor stop button 120 is pressed, and the power switch 112, the motor switch 113 and the heating wire switch 114 are sequentially disconnected to power off the control box 31 and internal elements; after the body temperature of the shell of the funnel 1 falls within the acceptable range of human body, repeating the operation B2 to open the funnel cover 2, and refilling heavy oil into the funnel 1;
b8, repeating the steps B2-B7 until the fuel pump 7 is filled with heavy oil; loosening the flange connection nut 52, removing the flange connection gasket 51, the flange connection spring gasket 53 and the flange connection bolt 5, removing the funnel 1 from the filter 6, reinstalling the upper end cover of the filter 6, opening the filter outlet valve 64, starting the fuel pump 7, observing the pressure gauge pressures of the fuel pump inlet 71 and the fuel pump outlet 72 on the side pressure gauge plate of the fuel pump, comparing the pressures of the two pressure gauges, if the pressure of the fuel pump outlet 72 cannot be established, continuing to install the heavy oil fuel pump filling tool to fill the fuel pump 7, and repeating the steps B1-B8 until the normal pressure is established by the fuel pump outlet 72;
b9, after normal pressure is established at the fuel pump outlet 72, dismantling the filling tool of the heavy oil fuel pump, firstly dismantling the power supply wire 115 and the external compressed air pipeline, and dismantling the wiring terminals of the first wire 107, the second wire 108 and the third wire 109 in the control box 31 in sequence; loosening the butterfly nut 25, removing the T-shaped bolt gasket 24 and the T-shaped bolt spring gasket 30, rotating the T-shaped bolt 23a, and removing the funnel cover 2; rotating the stirring blade 33 to separate the stirring blade bolt 39 from the stirring rod 32; separating a first rotary buckle 36 on the bottom end surface of the motor 3 from a second rotary buckle 29 on the funnel cover 2, separating a positioning pin 34 from a positioning pin clamping groove 37, extracting the stirring rod 32 from the funnel cover 1, and taking down the motor 3 and the stirring rod 32; the pressure gauge 27 and the control box 31 are removed; after cleaning the funnel 1 and the funnel cover 2, the funnel is well preserved.
Preferably, the heavy oil liquid level is controlled in the step B2, so that the phenomenon that the heavy oil liquid level is too low to heat or stir can be avoided, the heavy oil stirring difficulty and the heavy oil stirring difficulty can not occur due to the too high liquid level, and a flowing space can be reserved for the heavy oil pressurization and stirring.
The heavy oil fuel pump filling tool has multiple functions of heating, stirring, pressurizing and the like; heating: the viscosity of the heavy oil with high viscosity is reduced, so that better flow is facilitated; stirring: the flow rate of heavy oil is quickened, and solidification and coking caused by overhigh local heating temperature are prevented, so that the heating is more uniform; pressurizing: the flow speed of high-viscosity heavy oil is quickened, the working efficiency is improved, and the oil filling time is shortened. This patent relates to heavy oil fuel pump filling frock still realizes being controllable to heavy oil temperature through temperature sensor 8, temperature controller 111, and when the temperature was less than 40 ℃, heater strip 9 began to work, and when the temperature was higher than 70 ℃, heater strip 9 stopped the heating. Therefore, the fuel heating temperature is ensured to be within a certain range, and personnel scalding caused by careless contact of personnel due to overhigh surface temperature of the funnel 1 is avoided. The heavy oil fuel pump filling frock that this patent relates to selects low rotational speed motor 3, and motor 3 rotational speed is between 100-300 rpm. If the rotating speed is higher, the heavy oil filling tool is not beneficial to filling heavy oil, the heavy oil fuel pump filling tool shakes, heavy oil moves upwards, oil leakage is caused when the heavy oil is severe, electric elements are loose, and the service life is shortened.
In summary, compared with the traditional filling method utilizing gravity leakage of heavy oil, the filling tool and the using method of the heavy oil fuel pump are fast in filling speed, simple to operate, time-saving, capable of improving working efficiency, reducing production cost, reducing difficulty in pouring heavy oil, shortening debugging period, relieving workload of staff and accelerating production progress; the heavy oil fuel pump filling tool can normally fill heavy oil under the condition of low temperature, solves the problem that the environment temperature influences the filling of heavy oil with high viscosity, and ensures that the filling environment is not limited by low temperature and poor fluidity.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. Heavy oil fuel pump filling frock, its characterized in that: the device comprises a funnel (1), a stirring device arranged in the funnel (1), a funnel cover (2) fixedly connected to the upper end of the funnel (1) and a driving device detachably arranged on the funnel cover (2), wherein the driving device is connected with the stirring device and penetrates through the funnel cover (2), a funnel outlet (14) is arranged at the bottom of the funnel (1), and the funnel outlet (14) is connected to a filter (6) of a fuel pump (7); the stirring device comprises a stirring rod (32) rotatably supported in the funnel cover (2), a stirring blade bolt (39) connected with the stirring rod (32) and a stirring blade (33) fixedly mounted on the stirring blade bolt (39), the driving device is in transmission connection with the stirring rod (32) and drives the stirring rod (32) to rotate, and the stirring blade bolt (39) is fixedly connected with the free end of the stirring rod (32) through an internal thread (38); the heating wire protecting device is characterized by further comprising a heating wire protecting shell (91) arranged on the funnel (1), wherein a heating wire (9) is arranged in the heating wire protecting shell (91), heating wire connecting terminals (92) are arranged at two ends of the heating wire (9), and the heating wire connecting terminals (92) are connected with external power; the device also comprises a temperature sensor (8) detachably arranged on the funnel (1), wherein a probe of the temperature sensor (8) is positioned in the funnel (1); still include fix on funnel lid (2) fill/bleed pipe (22), connect first ball valve (21) on filling/bleed pipe (22), install pressure gauge (27) on partly filling/bleed pipe (22) between first ball valve (21) and funnel lid (2), and install second ball valve (26) in pressure gauge (27) import department, fill/bleed pipe (22) adopt seamless welding to weld on funnel lid (2), the other free end pipeline and the outside compressed air pipe zonulae occludens of first ball valve (21) upper portion.
2. The heavy oil fuel pump filling tool of claim 1, wherein: the driving device comprises a motor (3), a first rotary buckle (36) arranged on the end face of the motor (3) and a positioning pin clamping groove (37) arranged on the end face of the motor (3), the funnel cover (2) comprises a second rotary buckle (29) fixed on the funnel cover (2) and a positioning pin (34) arranged on the funnel cover (2), the first rotary buckle (36) is connected with the second rotary buckle (29) in a clamping mode, and the positioning pin (34) is connected with the positioning pin clamping groove (37) in a plugging mode.
3. The heavy oil fuel pump filling tool of claim 1, wherein: the automatic control device is characterized by further comprising a control box (31) fixed on the funnel cover (2), wherein a wiring port is formed in the control box (31), and the wiring port is connected with the driving device.
4. The heavy oil fuel pump filling tool of claim 3, wherein: the wiring port of the control box (31) is also connected with a power distribution box (121).
5. The method of using the heavy oil fuel pump filling tool according to claim 1, wherein: the method comprises the following steps:
s1, enabling a stirring device to pass through a funnel cover (2) so that the middle lower part of the stirring device is positioned in a funnel (1);
S2, fixedly connecting the top of the stirring device with a driving device, wherein the driving device is detachably connected to the top surface of the funnel cover (2);
s3, connecting a funnel outlet (14) at the bottom of the funnel (1) with a filter (6) of the fuel pump (7);
s4, adding heavy oil into the funnel (1) so that the liquid level of the heavy oil in the funnel (1) is higher than the bottom of the stirring device, but is not more than a position 5-10cm away from the bottom surface of the funnel cover (2);
s5, the funnel cover (2) is tightly and hermetically connected to the top of the funnel (1), so that heavy oil is prevented from leaking;
s6, opening a driving device, wherein the driving device drives a stirring device to stir heavy oil in the funnel (1), the fluidity of the heavy oil is increased, and the flowing heavy oil enters the filter (6) from the funnel outlet (14) and then enters the fuel pump (7); and when the liquid level of the heavy oil in the funnel (1) is low, the funnel cover (2) is detached, and the steps S4-S5 are repeated until the heavy oil is filled in the fuel pump (7).
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| CN211137923U (en) * | 2019-10-21 | 2020-07-31 | 湖北一致魔芋生物科技股份有限公司 | A funnel for thermoreversible gel casting |
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