CN114046349B - Lubricating and cooling integrated device directly driven by rare earth motor of coal mill - Google Patents
Lubricating and cooling integrated device directly driven by rare earth motor of coal mill Download PDFInfo
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- CN114046349B CN114046349B CN202111216117.XA CN202111216117A CN114046349B CN 114046349 B CN114046349 B CN 114046349B CN 202111216117 A CN202111216117 A CN 202111216117A CN 114046349 B CN114046349 B CN 114046349B
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- lubricating
- oil
- oil pipe
- pipe
- coal mill
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 79
- 239000003245 coal Substances 0.000 title claims abstract description 77
- 238000001816 cooling Methods 0.000 title claims abstract description 47
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 180
- 239000010687 lubricating oil Substances 0.000 claims abstract description 90
- 239000003921 oil Substances 0.000 claims description 170
- 239000000110 cooling liquid Substances 0.000 claims description 43
- 238000005461 lubrication Methods 0.000 claims description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 26
- 229910052802 copper Inorganic materials 0.000 claims description 26
- 239000010949 copper Substances 0.000 claims description 26
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The application discloses a lubricating and cooling integrated device of a rare earth motor of a coal mill, which comprises a closed-loop lubricating channel which is directly communicated with a power structure of the coal mill, wherein a lubricating mechanism is arranged on the lubricating channel; the cooling mechanism for adjusting the temperature of the lubricating oil is arranged in the lubricating mechanism, and the control system adjusts the cooling mechanism according to the measurement data and the set value of the temperature sensor so as to realize the adjustment of the temperature of the lubricating oil; by arranging the capillary mechanism at the output port of the lubricating mechanism, the lubricating oil discharged by the lubricating mechanism can be guided to any position, so that the lubricating oil can be discharged in any area of the coal mill power mechanism in a directional manner.
Description
Technical Field
The application relates to the technical field of coal mill lubricating devices, in particular to a lubricating and cooling integrated device directly driven by a rare earth motor of a coal mill.
Background
The coal mill is a machine for crushing and grinding coal blocks into coal powder, and is an important auxiliary device of a coal powder furnace. In the running process of the coal mill, the speed reducer can generate heat and is easy to wear, and in order to ensure the normal running of the coal mill, the power structure of the coal mill is necessary to be lubricated.
In the working process of the coal mill, the transmission structure inside the machine case needs to be effectively lubricated, a lubricating structure with closed-circuit oil circulation is generally adopted for lubrication, and heat dissipation is carried out on the power structure of the coal mill through the circulation of lubricating oil, but the traditional lubricating structure needs to submerge the lubricating oil into the power structure of the coal mill, so that the using amount of the lubricating oil is large.
In addition, the traditional lubricating structure is not provided with a structure for assisting in cooling lubricating oil, natural cooling is carried out only by means of good specific heat capacity of the lubricating oil, the temperature of the lubricating oil which circularly flows in the lubricating oil circulation process can continuously rise, and the power structure of the coal mill can be damaged by the too high lubricating oil.
Disclosure of Invention
The application aims to provide a lubricating and cooling integrated device for direct drive of a rare earth motor of a coal mill, which aims to solve the problems that the traditional lubricating structure in the prior art is large in lubricating oil consumption and is not provided with a structure for assisting in cooling the lubricating oil.
In order to solve the technical problems, the application specifically provides the following technical scheme:
the lubricating and cooling integrated device comprises a closed-loop lubricating channel which is directly communicated with a coal mill power structure, wherein a lubricating mechanism is arranged on the lubricating channel, an oil injection capillary mechanism is arranged at an oil supply end of the lubricating channel to the coal mill power structure, a plurality of temperature sensors for measuring the temperature of lubricating oil entering and exiting the coal mill lubricating structure are arranged in the lubricating channel, and the temperature sensors are connected with a control system arranged on the lubricating mechanism;
the lubricating mechanism is internally provided with a cooling mechanism for adjusting the temperature of lubricating oil, and the control system adjusts the cooling mechanism according to the measurement data and the set value of the temperature sensor so as to realize the adjustment of the temperature of the lubricating oil.
As a preferable scheme of the application, the oil injection capillary mechanism comprises a normal pressure oil pipe, a booster pump oil pipe, a short capillary mechanism and a long capillary mechanism, wherein the short capillary mechanism and the long capillary mechanism are respectively arranged at the output end of the normal pressure oil pipe and the output end of the booster pump oil pipe, and are used for guiding lubricating oil to flow into a coal mill power structure in a directional way;
the normal pressure oil pipe and the input port of the booster pump oil pipe are communicated with the lubrication channel through a tee joint, the normal pressure oil pipe is used for conveying lubricating oil pumped by the lubrication mechanism to the short capillary mechanism, the short capillary mechanism is used for directionally discharging lubricating oil to a coal mill power structure area close to the oil injection capillary mechanism, the booster pump oil pipe is used for conveying lubricating oil pumped by the lubrication mechanism to the long capillary mechanism in a secondary pressurizing mode, and the long capillary mechanism is used for directionally discharging lubricating oil to a coal mill power structure area far away from the oil injection capillary mechanism.
As a preferable scheme of the application, the short capillary tube mechanism comprises a first oil tube joint arranged at the output port of the normal pressure oil tube and a plurality of first guide tube mechanisms arranged on the power structure of the coal mill, wherein the first oil tube joint is respectively communicated with the plurality of first guide tube mechanisms through a plurality of short connecting oil tubes, the first oil tube joint guides lubricating oil to be transmitted into the corresponding first guide tube mechanisms through the short connecting oil tubes, and the first guide tube mechanisms are used for secondarily guiding the lubricating oil to be discharged to the corresponding positions of the power structure of the coal mill.
As a preferable scheme of the application, the first oil pipe connector is provided with a plurality of oil pipe switch seats communicated with the interior of the first oil pipe connector, the output port of the oil pipe switch seat is in butt joint with the end part of the short connecting oil pipe through an oil pipe quick connector, the oil pipe switch seat keeps an open state when the oil pipe quick connector is connected with the oil pipe switch seat, and the oil pipe switch seat keeps a closed state when the oil pipe quick connector is separated from the oil pipe switch seat.
As a preferable scheme of the application, the first guide pipe mechanism comprises a fixed seat fixed on a power structure of the coal mill through bolts, an oil bag connected with the end part of the short connecting oil pipe is arranged on the fixed seat, an output port of the oil bag is connected with a metal corrugated pipe capable of being bent at will to change the orientation of the output port, and the metal corrugated pipe is used for directionally discharging lubricating oil conveyed by the short connecting oil pipe.
As a preferable scheme of the application, the whole structure of the long capillary tube mechanism is the same as that of the short capillary tube mechanism, and the long capillary tube mechanism comprises a second oil tube joint connected with an oil tube output port of the booster pump and a plurality of second guide tube mechanisms arranged on a power structure of the coal mill, wherein the second oil tube joint is respectively communicated with the plurality of second guide tube mechanisms through a plurality of long connecting oil tubes, the length of each long connecting oil tube is longer than that of the short connecting oil tube, and the booster pump oil tube is used for pressurizing lubricating oil for the second time so that the lubricating oil can flow into the corresponding second guide tube mechanisms through the long connecting oil tubes.
As a preferred scheme of the application, the cooling mechanism comprises a heat conduction copper pipe, a cooling liquid box, an oil pump and a heat dissipation mechanism, wherein the oil pump and the heat dissipation mechanism are arranged on the cooling liquid box, the heat conduction copper pipe is arranged in a lubricating oil storage structure in the lubricating mechanism, two end ports of the heat conduction copper pipe extend to the outer side of the lubricating mechanism and are connected with the cooling liquid box, the cooling liquid box is arranged on the outer side of the lubricating mechanism and is connected with the heat conduction copper pipe to form a closed-loop oil circulation structure, the oil pump is arranged at the output end of the cooling liquid box and is used for enabling cooling liquid in the cooling liquid box and the heat conduction copper pipe to circulate, and the heat dissipation mechanism is arranged at the input end of the cooling liquid box and is used for dissipating heat of the cooling liquid flowing in the cooling liquid box.
As a preferable scheme of the application, the heat conduction copper pipe main body is distributed in the lubricating oil storage structure of the lubricating mechanism in a spiral structure, and two end ports of the spiral main body of the heat conduction copper pipe are respectively close to an input port and an output port of the lubricating oil storage structure of the lubricating mechanism.
As a preferable mode of the application, the heat dissipation mechanism comprises a heat conduction sheet welded around the outer side of the cooling liquid box, the inner side of the heat conduction sheet extends to the inner side of the cooling liquid box to be in contact with cooling liquid, a semiconductor refrigeration sheet is arranged on the heat conduction sheet, the refrigeration surface of the semiconductor refrigeration sheet is attached to the heat conduction sheet, and a radiator for enlarging the heat dissipation area of the semiconductor refrigeration sheet is arranged on the heat dissipation surface of the semiconductor refrigeration sheet.
Compared with the prior art, the application has the following beneficial effects:
(1) According to the application, the capillary mechanism is arranged at the output port of the lubricating mechanism, so that the lubricating oil discharged by the lubricating mechanism can be guided to any position, the purposes of directionally discharging the lubricating oil in any area of the coal mill power mechanism and reducing the lubricating oil amount are realized;
(2) According to the application, the specific cooling mechanism is designed on the lubricating mechanism to control the temperature of the lubricating oil, so that the lubricating oil can keep proper temperature in the circulating process, the power structure can be cooled while lubricating, and the power structure of the coal mill can be ensured to operate in proper temperature environment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
Fig. 1 is a schematic diagram of an overall embodiment of the present application.
FIG. 2 is a schematic view of a portion of a fuel injection capillary mechanism according to an embodiment of the present application.
Fig. 3 is a partial schematic view of a short capillary mechanism according to an embodiment of the present application.
Fig. 4 is a partial schematic view of a long capillary mechanism according to an embodiment of the present application.
Fig. 5 is a schematic diagram of a cooling mechanism according to an embodiment of the present application.
Reference numerals in the drawings are respectively as follows:
1-a lubrication channel; 2-a lubrication mechanism; 3-an oil injection capillary mechanism; 4-a temperature sensor; 5-a cooling mechanism; 6-a control system;
31-normal pressure oil pipe; 32-booster pump oil pipe; 33-a short capillary mechanism; 34-a long capillary mechanism;
331-a first tubing joint; 332-a first guide tube mechanism; 333-short connect tubing;
3311—oil tube switch base; 3312-tubing quick connector; 3321-fixing base; 3322-oil sacs; 3323—metal bellows;
341-a second tubing connector; 342-a second guide tube mechanism; 343-long connecting oil pipe;
51-a heat conduction copper pipe; 52-a coolant box; 53-oil pump; 54-a heat dissipation mechanism;
541-a thermally conductive sheet; 542-semiconductor refrigerating sheet; 543-heat sink.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 5, the application provides a lubricating and cooling integrated device directly driven by a rare earth motor of a coal mill, which comprises a closed-loop lubricating channel 1 which is directly communicated with a power structure of the coal mill, wherein a lubricating mechanism 2 is arranged on the lubricating channel, an oil injection capillary mechanism 3 is arranged on an oil supply end of the power structure of the coal mill by the lubricating channel 1, a plurality of temperature sensors 4 for measuring the temperature of lubricating oil entering and exiting the lubricating structure of the coal mill are arranged in the lubricating channel 1, and the temperature sensors are connected with a control system 6 positioned on the lubricating mechanism;
the lubricating mechanism 2 is internally provided with a cooling mechanism 5 for adjusting the temperature of the lubricating oil, and the control system 6 adjusts the cooling mechanism 5 according to the measured data and the set value of the temperature sensor 4 so as to realize the adjustment of the temperature of the lubricating oil.
By arranging the capillary mechanism at the output port of the lubricating mechanism, the lubricating oil discharged by the lubricating mechanism can be guided to any position, so that the purposes of directionally discharging the lubricating oil in any area of the coal mill power mechanism and reducing the lubricating oil amount are realized.
The specific cooling mechanism is designed on the lubricating mechanism to control the temperature of the lubricating oil, so that the lubricating oil can keep proper temperature in the circulating process, the power structure can be cooled while lubricating, and the power structure of the coal mill can be ensured to operate in proper temperature environment.
After the coal mill is directly driven, the lubricating mechanism 2 lubricates and cools the structures of the thrust bush, the thrust disc and the like of the mechanical part through the lubricating channel 1 and the oil injection capillary tube mechanism 3, the oil consumption of the system is far less than that of the original system, and the cooling mechanism 5 is controlled by the control system 6 according to the oil temperature to cool the lubricating oil circularly flowing in the lubricating mechanism 2.
The oil injection capillary mechanism 3 comprises an ordinary pressure oil pipe 31, a booster pump oil pipe 32, and a short capillary mechanism 33 and a long capillary mechanism 34 which are respectively arranged at the output end of the ordinary pressure oil pipe 31 and the output end of the booster pump oil pipe 32, wherein the short capillary mechanism 33 and the long capillary mechanism 34 are used for guiding lubricating oil to flow into a coal mill power structure in a directional manner;
the input ports of the normal pressure oil pipe 31 and the booster pump oil pipe 32 are communicated with the lubrication channel 1 through being provided with a three-way joint, the normal pressure oil pipe 31 is used for conveying lubricating oil pumped by the lubrication mechanism 2 to the short capillary mechanism 33, the short capillary mechanism 33 is used for directionally discharging lubricating oil from a coal mill power structure area close to the oil injection capillary mechanism 3, the booster pump oil pipe 32 is used for carrying out secondary pressurization conveying on the lubricating oil pumped by the lubrication mechanism 2 to the long capillary mechanism 34, and the long capillary mechanism 34 is used for directionally discharging lubricating oil from a coal mill power structure area far away from the oil injection capillary mechanism 3.
The short capillary tube mechanism 33 comprises a first oil tube connector 331 arranged at an output port of the normal pressure oil tube 31 and a plurality of first guide tube mechanisms 332 arranged on the power structure of the coal mill, the first oil tube connector 331 is respectively communicated with the plurality of first guide tube mechanisms 332 through a plurality of short connecting oil tubes 333, the first oil tube connector 331 guides lubricating oil to be transmitted into the corresponding first guide tube mechanisms 332 through the short connecting oil tubes 333, and the first guide tube mechanisms 332 are used for secondarily guiding the lubricating oil to be discharged to corresponding positions of the power structure of the coal mill.
The first oil pipe joint 331 is provided with a plurality of oil pipe switch seats 3311 communicated with the inside of the first oil pipe joint 331, an output port of the oil pipe switch seat 3311 is in butt joint with the end part of the short connection oil pipe 333 through an oil pipe quick joint 3312, the oil pipe switch seat 3311 is kept in an open state when the oil pipe quick joint 3312 is connected into the oil pipe switch seat 3311, and the oil pipe switch seat 3311 is kept in a closed state when the oil pipe quick joint 3312 is separated from the oil pipe switch seat 3311.
The first guiding pipe mechanism 332 comprises a fixed seat 3321 fixed on the power structure of the coal mill through bolts, an oil bag 3322 connected with the end part of the short connecting oil pipe 333 is arranged on the fixed seat 3321, an output port of the oil bag 3322 is connected with a metal corrugated pipe 3323 capable of bending at will to change the orientation of the output port, and the metal corrugated pipe 3323 is used for directionally discharging lubricating oil transmitted by the short connecting oil pipe 333.
The whole structure of the long capillary tube mechanism 34 is the same as that of the short capillary tube mechanism 33, and comprises a second oil tube connector 341 connected with an output port of the booster pump oil tube 32 and a plurality of second guide tube mechanisms 342 arranged on a power structure of the coal mill, the second oil tube connector 341 is respectively communicated with the plurality of second guide tube mechanisms 342 by a plurality of long connecting oil tubes 343, the length of the long connecting oil tubes 343 is greater than that of the short connecting oil tubes 333, and the booster pump oil tube 32 is used for pressurizing lubricating oil for the second time so that the lubricating oil can flow into the corresponding second guide tube mechanisms 342 through the long connecting oil tubes 343.
When the lubrication mechanism 2 is used for circularly lubricating the power structure of the coal mill, the lubrication mechanism 2 pumps the stored lubricating oil to the oil injection capillary mechanism 3 through the lubrication channel 1, the oil injection capillary mechanism 3 shapes and discharges the lubricating oil in any area of the power structure of the coal mill, and the lubrication mechanism 2 pumps the lubricating oil in the power structure of the coal mill through the other lubrication channel 1, so that the lubricating oil flowing in a closed loop is formed.
The lubrication channel 1 respectively conveys lubricating oil to the normal pressure oil pipe 31 and the booster pump oil pipe 32 through the three-way joint, the normal pressure oil pipe 31 can convey lubricating oil to the nearby area of the coal mill power structure to be discharged through the short capillary tube mechanism 33 of the output port, and the booster pump oil pipe 32 can pump the lubricating oil conveyed by the three-way joint to the long capillary tube mechanism 34 after pressurizing the lubricating oil, so that the lubricating oil is conveyed to the nearby area of the coal mill power structure to be discharged.
The short capillary tube mechanism 33 and the long capillary tube mechanism 34 need to be installed inside the power structure of the coal mill in advance, and the short capillary tube mechanism 33 and the long capillary tube mechanism 34 are the same in case mode, and only the stroke of the short capillary tube mechanism 33 is shorter than that of the long capillary tube mechanism 34.
When the short capillary mechanism 33 is installed, the fixing base 3321 is fixedly installed in a region in the coal mill power structure, which does not obstruct the operation of the coal mill power structure, then the metal bellows 3323 on the fixing base 3321 is bent, so that the discharge outlet of the metal bellows 3323 is positioned right above the position where the coal mill power structure needs to be lubricated, then a short connecting oil pipe 333 is connected to the oil bag 3322, the other end of the short connecting oil pipe 333 is connected to the oil pipe quick connector 3312, then the oil pipe quick connector 3312 is connected to any oil pipe switch seat 3311, so that the short connecting oil pipe 333 is communicated with the inside of the normal pressure oil pipe 31, lubricating oil in the normal pressure oil pipe 31 sequentially passes through the first oil pipe connector 331, the oil pipe quick connector 3312, the short connecting oil pipe 333 and the oil bag 3322, finally the lubricating oil is naturally discharged from the metal bellows 3323 and then flows down to the designated region of the coal mill power structure, and whether the metal bellows 3323 is blocked or not can be detected by pressing the oil bag 3322.
A corresponding number of short capillary mechanisms 33 are installed in the manner described above, and a plurality of long capillary mechanisms 34 can be accessed into the booster pump oil pipe 32 in the manner described above, depending on the location within the mill's power structure where lubrication is desired in the immediate area.
The cooling mechanism 5 includes a heat conducting copper pipe 51 and a cooling liquid box 52, and an oil pump 53 and a heat dissipation mechanism 54 which are disposed on the cooling liquid box 52, the heat conducting copper pipe 51 is disposed in a lubricating oil storage structure inside the lubricating mechanism 2, and both end ports of the heat conducting copper pipe 51 extend to the outside of the lubricating mechanism 2 to be connected with the cooling liquid box 52, the cooling liquid box 52 is disposed on the outside of the lubricating mechanism 2 and is connected with the heat conducting copper pipe 51 to be a closed-loop oil circulation structure, the oil pump 53 is disposed at an output end of the cooling liquid box 52 and is used for circulating cooling liquid inside the cooling liquid box 52 and the heat conducting copper pipe 51, and the heat dissipation mechanism 54 is disposed at an input end of the cooling liquid box 52 and is used for dissipating heat of the cooling liquid flowing inside the cooling liquid box 52.
The main body of the heat conduction copper pipe 51 is distributed in the lubricating oil storage structure of the lubricating mechanism 2 in a spiral structure, and the ports at two ends of the spiral main body of the heat conduction copper pipe 51 are respectively close to the input port and the output port of the lubricating oil storage structure of the lubricating mechanism 2.
The heat dissipation mechanism 54 includes a heat conductive sheet 541 welded around the outside of the coolant tank 52, the inside of the heat conductive sheet 541 extends into the coolant tank 52 to be in contact with the coolant, the heat conductive sheet 541 is provided with a semiconductor cooling sheet 542, a cooling surface of the semiconductor cooling sheet 542 is bonded to the heat conductive sheet 541, and a heat sink 543 for enlarging a heat dissipation area of the semiconductor cooling sheet 542 is provided on a heat dissipation surface of the semiconductor cooling sheet 542.
When the lubricating mechanism 2 controls the lubricating oil to circularly flow, the lubricating oil can absorb heat generated by the operation of the power structure of the coal mill and then flow back to the lubricating mechanism 2, the temperature of the lubricating oil input into the power structure of the coal mill and the temperature of the lubricating oil pumped out of the power structure of the coal mill are detected through temperature sensors respectively arranged on the two lubricating channels 1, and then the control system 6 automatically starts the cooling mechanism 5 according to the temperature difference of the detected temperatures of the two temperature sensors to cool the stored lubricating oil of the lubricating mechanism 2, so that the oil temperature flowing into the power structure of the coal mill is ensured not to be too high.
When the control system 6 detects that the temperature of the lubricating oil pumped back to the lubricating mechanism 2 is too high, the control system 6 starts the oil pump 53 to discharge the cooling liquid in the cooling liquid box 52 to the heat conduction copper pipe 51 and form closed loop cooling liquid circulation, and as the heat conduction copper pipe 51 is in a spiral structure which is respectively positioned at an input port and an output port in the lubricating mechanism 2, heat can be fully exchanged with the heat conduction copper pipe in the process of enabling the lubricating oil to flow from the input port to the output port of the storage structure of the lubricating mechanism 2, the cooling liquid flowing in the heat conduction copper pipe 51 absorbs the heat and then is discharged into the input port of the cooling liquid box 52, and the cooling liquid exchanges the heat with the heat conduction fin 541 of the heat dissipation mechanism 54, the semiconductor refrigeration fin 542 is started through the control system 6, so that the temperature of the heat conduction fin 541 can be always kept at the bottom of the intersection, and the cooling liquid circulated in the heat conduction copper pipe 51 can fully absorb the temperature of the lubricating liquid of the lubricating mechanism 2.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (8)
1. The utility model provides a lubrication cooling integrated device of coal pulverizer rare earth motor direct drive, its characterized in that includes lubrication channel (1) that is the closed loop with coal pulverizer power structure direct communication be provided with lubrication mechanism (2) on the lubrication channel, lubrication channel (1) is provided with oil spout capillary mechanism (3) to coal pulverizer power structure's fuel feeding end, and be provided with a plurality of temperature sensor (4) that are used for measuring temperature after lubricating oil business turn over coal pulverizer lubrication structure in lubrication channel (1), temperature sensor all is connected with be located control system (6) on the lubrication mechanism;
a cooling mechanism (5) for adjusting the temperature of lubricating oil is arranged in the lubricating mechanism (2), and the control system (6) adjusts the cooling mechanism (5) according to the measured data and the set value of the temperature sensor (4) so as to realize the adjustment of the temperature of the lubricating oil;
the oil injection capillary mechanism (3) comprises an ordinary pressure oil pipe (31) and a booster pump oil pipe (32), and a short capillary mechanism (33) and a long capillary mechanism (34) which are respectively arranged at the output end of the ordinary pressure oil pipe (31) and the output end of the booster pump oil pipe (32), wherein the short capillary mechanism (33) and the long capillary mechanism (34) are used for guiding lubricating oil to flow into a coal mill power structure in a directional manner;
the input port of the normal pressure oil pipe (31) and the input port of the booster pump oil pipe (32) are communicated with the lubrication channel (1) through being provided with a three-way joint, the normal pressure oil pipe (31) is used for conveying lubricating oil pumped by the lubrication mechanism (2) to the short capillary mechanism (33), the short capillary mechanism (33) is used for directionally discharging lubricating oil to a coal mill power structure area close to the oil injection capillary mechanism (3), the booster pump oil pipe (32) is used for secondarily pressurizing and conveying the lubricating oil pumped by the lubrication mechanism (2) to the long capillary mechanism (34), and the long capillary mechanism (34) is used for directionally discharging lubricating oil to a coal mill power structure area far away from the oil injection capillary mechanism (3).
2. The lubrication and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 1, wherein the lubrication and cooling integrated device is characterized in that: the short capillary mechanism (33) comprises a first oil pipe joint (331) arranged at an output port of the normal pressure oil pipe (31) and a plurality of first guide pipe mechanisms (332) arranged on a coal mill power structure, wherein a plurality of short connecting oil pipes (333) are arranged on the first oil pipe joint (331) and are respectively communicated with the plurality of first guide pipe mechanisms (332), the first oil pipe joint (331) guides lubricating oil to be transmitted to the corresponding first guide pipe mechanisms (332) through the short connecting oil pipes (333), and the first guide pipe mechanisms (332) are used for secondarily guiding the lubricating oil to be discharged to corresponding positions of the coal mill power structure.
3. The lubrication and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 2, wherein the lubrication and cooling integrated device is characterized in that: be provided with a plurality of with inside intercommunication of first oil pipe joint (331) oil pipe switch seat (3311) on first oil pipe joint (331), the delivery outlet of oil pipe switch seat (3311) through be connected with oil pipe quick-operation joint (3312) with the tip butt joint of short connection oil pipe (333), oil pipe quick-operation joint (3312) are when switching on oil pipe switch seat (3311) keeps open state, oil pipe quick-operation joint (3312) are break away from oil pipe switch seat (3311) keeps closed state.
4. The lubricating and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 3, wherein the lubricating and cooling integrated device is characterized in that: the first guide pipe mechanism (332) comprises a fixed seat (3321) fixed on a power structure of the coal mill through bolts, an oil bag (3322) connected with the end part of the short connecting oil pipe (333) is arranged on the fixed seat (3321), an output port of the oil bag (3322) is connected with a metal corrugated pipe (3323) capable of bending at will to change the orientation of the output port, and the metal corrugated pipe (3323) is used for directionally discharging lubricating oil transmitted by the short connecting oil pipe (333).
5. The lubricating and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 4, wherein the lubricating and cooling integrated device is characterized in that: the long capillary tube mechanism (34) overall structure with short capillary tube mechanism (33) is the same, include with second oil pipe joint (341) that booster pump oil pipe (32) delivery outlet is connected to and a plurality of second guide tube mechanism (342) that set up on coal pulverizer power structure, on second oil pipe joint (341) through be provided with a plurality of long connecting oil pipe (343) respectively with a plurality of second guide tube mechanism (342) intercommunication, the length of long connecting oil pipe (343) is greater than the length of short connecting oil pipe (333), booster pump oil pipe (32) are used for to be followed secondary pressurization can make lubricating oil through long connecting oil pipe (343) inflow corresponding inside second guide tube mechanism (342).
6. The lubrication and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 1, wherein the lubrication and cooling integrated device is characterized in that: the cooling mechanism (5) comprises a heat conduction copper pipe (51) and a cooling liquid box (52), and an oil pump (53) and a heat dissipation mechanism (54) which are arranged on the cooling liquid box (52), wherein the heat conduction copper pipe (51) is arranged in a lubricating oil storage structure inside the lubricating mechanism (2), two end ports of the heat conduction copper pipe (51) are all extended to the outer side of the lubricating mechanism (2) and are connected with the cooling liquid box (52), the cooling liquid box (52) is arranged on the outer side of the lubricating mechanism (2) and is connected with the heat conduction copper pipe (51) to form a closed-loop oil circulation structure, the oil pump (53) is arranged at the output end of the cooling liquid box (52) and is used for enabling cooling liquid inside the cooling liquid box (52) to circulate, and the heat dissipation mechanism (54) is arranged at the input end of the cooling liquid box (52) and is used for dissipating heat of cooling liquid flowing inside the cooling liquid box (52).
7. The lubricating and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 6, wherein the lubricating and cooling integrated device is characterized in that: the main body of the heat conduction copper pipe (51) is distributed in the lubricating oil storage structure of the lubricating mechanism (2) in a spiral structure, and ports at two ends of the spiral main body of the heat conduction copper pipe (51) are respectively close to an input port and an output port of the lubricating oil storage structure of the lubricating mechanism (2).
8. The lubricating and cooling integrated device for direct drive of a rare earth motor of a coal mill according to claim 7, wherein the lubricating and cooling integrated device is characterized in that: the heat dissipation mechanism (54) comprises a heat conduction sheet (541) welded around the outer side of the cooling liquid box (52), the inner side of the heat conduction sheet (541) extends to the inner side of the cooling liquid box (52) to be in contact with cooling liquid, a semiconductor refrigeration sheet (542) is arranged on the heat conduction sheet (541), a refrigeration surface of the semiconductor refrigeration sheet (542) is attached to the heat conduction sheet (541), and a radiator (543) for enlarging the heat dissipation area of the semiconductor refrigeration sheet (542) is arranged on the heat dissipation surface of the semiconductor refrigeration sheet (542).
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| CN202111216117.XA CN114046349B (en) | 2021-10-19 | 2021-10-19 | Lubricating and cooling integrated device directly driven by rare earth motor of coal mill |
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| CN202111216117.XA CN114046349B (en) | 2021-10-19 | 2021-10-19 | Lubricating and cooling integrated device directly driven by rare earth motor of coal mill |
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| CN114046349B true CN114046349B (en) | 2023-11-03 |
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| CN102380452A (en) * | 2011-11-14 | 2012-03-21 | 上海电气液压气动有限公司 | Temperature regulating device for lubricating and cooling system of coal mill |
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| CN112013101A (en) * | 2020-08-14 | 2020-12-01 | 九江运城制版有限公司 | Lubricating device for printing roller of gravure printing machine |
| CN213451617U (en) * | 2020-09-30 | 2021-06-15 | 华能国际电力股份有限公司上安电厂 | Coal mill lubricating system and coal mill |
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2021
- 2021-10-19 CN CN202111216117.XA patent/CN114046349B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102380452A (en) * | 2011-11-14 | 2012-03-21 | 上海电气液压气动有限公司 | Temperature regulating device for lubricating and cooling system of coal mill |
| CN203375155U (en) * | 2013-07-24 | 2014-01-01 | 阎晓旭 | Mechanical transmission lubricating oil temperature precision control device |
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| CN114046349A (en) | 2022-02-15 |
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