Efficient lubricating system for nitric acid four-in-one unit

Abstract

The efficient lubricating system for the nitric acid four-in-one unit comprises a base, a storage box with the top in an opening shape is fixed to the top of the base, a box cover used for blocking the opening end of the storage box is fixedly installed on the storage box through screws, and a first oil outlet hole and a second oil outlet hole which communicate with the inner bottom wall of the storage box are formed in the bottom of one side of the storage box; a high-pressure pump and a low-pressure pump are fixedly installed on the top of the base, the feeding end of the high-pressure pump is communicated with the first oil outlet hole, and the feeding end of the low-pressure pump is communicated with the second oil outlet hole. According to the lubricating grease injection device, through cooperation of the first flow division adjusting mechanism and the second flow division adjusting mechanism, the multiple flow guide pipes communicate with the high-pressure pump or the low-pressure pump correspondingly, and the effect that high-pressure lubricating grease injection or low-pressure lubricating grease injection is conducted on the multiple flow guide pipes at the same time is achieved; the mode that high-pressure lubricating grease conveying and low-pressure lubricating grease conveying are sequentially conducted by adjusting conveying pressure is replaced, convenience is achieved, lubricating operation on the dilute nitric acid unit body is facilitated, and the lubricating efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of four-in-one nitric acid units, and in particular to a high-efficiency lubrication system for a four-in-one nitric acid unit. Background Art

[0002] The nitric acid four-in-one unit is a key equipment used in the nitric acid production process. It includes a syngas compressor, an oxidizer, an absorption tower and a heat exchanger. It integrates the four main functions of compression, oxidation, absorption and heat recovery into one system to improve production efficiency and reduce floor space.

[0003] During the operation of the nitric acid four-in-one unit, grease delivery equipment is needed to deliver grease to the crankshaft, connecting rod, bearings and other parts in the compressor to lubricate the parts of the nitric acid four-in-one unit to ensure its normal operation and extend its service life;

[0004] At present, when lubricating the parts of the four-in-one nitric acid unit, it is usually necessary to perform high-pressure and low-pressure lubrication operations on different parts of the four-in-one nitric acid unit according to the lubrication requirements. Most grease conveying equipment needs to adjust the conveying pressure to perform high-pressure and low-pressure conveying in sequence when conveying grease, which is inconvenient and not conducive to lubricating the main body of the dilute nitric acid unit, and the work efficiency is low;

[0005] Therefore, the present application proposes a high-efficiency lubrication system for a four-in-one nitric acid unit. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a high-efficiency lubrication system for a four-in-one nitric acid unit, which solves the problems mentioned in the background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A high-efficiency lubrication system for a nitric acid four-in-one unit comprises a base, a storage box with an open top is fixed on the top of the base, a box cover for sealing the open end is fixedly installed on the storage box by screws, an oil outlet hole 1 and an oil outlet hole 2 connected to the inner bottom wall of the storage box are opened at the bottom position of one side of the storage box, a high-pressure pump and a low-pressure pump are fixedly installed on the top of the base, a feed end of the high-pressure pump is connected to the oil outlet hole 1, and a feed end of the low-pressure pump is connected to the oil outlet hole 2;

[0009] The discharge ends of the high-pressure pump and the low-pressure pump are respectively fixed with a discharge pipe 1 and a discharge pipe 2, the end of the discharge pipe 1 is fixedly connected with a shunt pipe 1 and a shunt pipe 2 through a three-way joint 1, the end of the discharge pipe 2 is fixedly connected with a shunt pipe 3 and a shunt pipe 4 through a three-way joint 2, the other end of the shunt pipe 1 and the other end of the shunt pipe 3 are installed with a shunt regulating mechanism 1, the other end of the shunt pipe 2 and the other end of the shunt pipe 4 are installed with a shunt regulating mechanism 2, the shunt regulating mechanism 1 and the shunt regulating mechanism 2 are connected with a plurality of guide pipes, the other ends of the plurality of guide pipes are connected with a dilute nitric acid unit body, and the plurality of guide pipes are respectively connected with the high-pressure pump or the low-pressure pump through the shunt regulating mechanism 1 and the shunt regulating mechanism 2;

[0010] An extrusion mechanism is installed on the box cover and inside the storage box. The cross section between the extrusion mechanism and the inner wall of the storage box fits together. The extrusion mechanism is used to push the grease in the storage box toward the bottom of the storage box to squeeze the grease in the storage box.

[0011] Further: the extrusion mechanism includes a vent pipe, a pump box, a corrugated hose, a telescopic rod and an extrusion block;

[0012] A ventilation pipe is connected through the box cover, a pump box connected to the ventilation pipe is fixedly installed on the top of the box cover, telescopic rods are symmetrically fixed to the bottom of the box cover, extrusion blocks that can extend into the storage box are fixed at the ends of the two telescopic rods, the cross-section between the outer wall of the extrusion block and the inner wall of the storage box is fitted, a corrugated hose is fixedly installed on the top of the extrusion block, the other end of the corrugated hose is sleeved on the outside of the ventilation pipe and fixedly connected to the box cover, and the two ends of the corrugated hose are respectively fitted with the cross-section between the box cover and the extrusion block.

[0013] Further: the diversion regulating mechanism 1 includes a connecting pipe 1, a solenoid valve 1, a connecting pipe 1, a feed pipe 1 and a solenoid valve 2; the ends of the diversion pipe 1 and the diversion pipe 3 are each provided with a connecting pipe 1, on which a solenoid valve 1 is fixedly installed, and the other ends of the two connecting pipes 1 are fixedly connected to a connecting pipe 1, on which a plurality of feed pipes 1 which are all connected to its interior are fixedly installed, and the plurality of feed pipes 1 are respectively connected to a plurality of guide pipes, and on which a solenoid valve 2 is fixedly installed.

[0014] Further: the shunt regulating mechanism 2 includes a connecting pipe 2, a solenoid valve 3, a connecting pipe 2, a feed pipe 2 and a solenoid valve 4; the ends of the shunt pipe 2 and the shunt pipe 4 are fixedly connected with the connecting pipe 2, the solenoid valve 3 is fixedly installed on the connecting pipe 2, the other ends of the two connecting pipes 2 are fixedly connected with the connecting pipe 2, a plurality of feed pipes 2 which are connected to the inside thereof are fixedly installed on the connecting pipe 2, and the plurality of feed pipes 2 are respectively connected with a plurality of guide pipes, and the feed pipe 2 is fixedly installed with a solenoid valve 4.

[0015] Further: the extrusion block includes a pushing block, a connecting block, a spring telescopic rod and a pressure sensor, a groove is opened on the top of the pushing block, and spring telescopic rods in a vertical direction are symmetrically fixed on the pushing block and located in the groove, a connecting block is fixed on the top of the two spring telescopic rods, a pressure sensor in contact with the connecting block is fixedly installed on the pushing block and located in the groove, the corrugated hose is fixedly connected to the top of the connecting block, and the cross-section between the outer wall of the pushing block and the inner wall of the storage box fits together.

[0016] Further: a feeding mechanism is installed on the base and on one side of the storage box, the discharge end of the feeding mechanism is connected to the inner bottom wall of the storage box through a material guide pipe, and a solenoid valve five is fixedly installed on the material guide pipe.

[0017] Further: the feeding mechanism includes a material storage box fixedly installed on the top of the base, a material guide pipe is connected to the bottom position of one side of the material storage box, the top of the material storage box is open, and a top cover for sealing the open end is hinged on the material storage box, and the top cover is fixed to the material storage box by a buckle, and a pushing mechanism is installed on the top cover and located inside the material storage box, and the cross-section between the pushing mechanism and the inner side wall of the material storage box is in contact, and the pushing mechanism is used to push the grease in the material storage box to the bottom of the material storage box.

[0018] Further: the pushing mechanism includes a threaded column that moves vertically through the top cover, the bottom of the threaded column extends into the storage box and is rotatably connected to a pushing plate, the cross-section between the outer wall of the pushing plate and the inner wall of the storage box fits together, and a driving assembly that acts on the threaded column is installed on the top cover, which is used to make the threaded column slide along the top cover or stop sliding.

[0019] Further: the driving assembly includes a threaded sleeve threadedly connected to the threaded column, the threaded sleeve is rotationally connected to the top cover, a motor is fixedly mounted on the top cover, and the output shaft of the motor is connected to the threaded sleeve through a bevel gear assembly.

[0020] Further: the outer side walls of the push block and the push plate are provided with sealing grooves, and sealing gaskets are fixedly installed on the push block and the push plate and located in the sealing grooves;

[0021] An observation port connected to the interior of the storage box is provided on one side of the storage box, and transparent glass for sealing the observation port is inlaid on the storage box and located in the observation port, and one side of the transparent glass is flush with the inner wall of the storage box.

[0022] The present invention provides a high-efficiency lubrication system for a four-in-one nitric acid unit. Compared with the prior art, it has the following beneficial effects:

[0023] 1. Through the cooperation of the first shunt regulating mechanism and the second shunt regulating mechanism, the multiple flow guide pipes are respectively connected to the high-pressure pump or the low-pressure pump, so as to achieve the effect of simultaneously injecting grease at high pressure or low pressure into the multiple flow guide pipes, replacing the method of sequentially transporting grease at high pressure and low pressure by adjusting the delivery pressure, which is more convenient and conducive to lubricating the main body of the dilute nitric acid unit and improving the lubrication efficiency;

[0024] 2. By setting up an extrusion mechanism, the grease in the storage box is pushed to the bottom of the storage box, and the grease in the storage box is squeezed, which is beneficial for the high-pressure pump or the low-pressure pump to extract the grease outward and transport it to the main body of the dilute nitric acid unit, which is beneficial for the lubrication operation of the main body of the dilute nitric acid unit;

[0025] 3. By setting the feeding mechanism, the guide pipe and the electromagnetic valve five, when in use, the electromagnetic valve five is controlled to open, the blockage of the guide pipe is cancelled, and the grease is transported to the guide pipe through the feeding mechanism, so that the grease can be transported to the storage box and below the push block, which is convenient for adding grease into the storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the three-dimensional structure of the present invention is shown;

[0028] Figure 2 A schematic diagram of the installation structure of the feeding mechanism of the present invention is shown;

[0029] Figure 3 A schematic diagram of the installation structure of the second flow diversion regulating mechanism of the present invention is shown;

[0030] Figure 4 A schematic diagram of the installation structure of the extrusion mechanism of the present invention is shown;

[0031] Figure 5 The present invention shows Figure 4 The enlarged view of point A in the middle;

[0032] Figure 6 The schematic diagram of the installation structure of the pusher mechanism of the present invention is shown;

[0033] Figure 7 The present invention shows Figure 6 The enlarged view of point B in the middle;

[0034] As shown in the figure: 1. Base; 11. Low-pressure pump; 111. Discharge pipe 2; 112. Three-way joint 2; 113. Diverter pipe 3; 114. Diverter pipe 4; 12. High-pressure pump; 121. Discharge pipe 1; 122. Three-way joint 1; 123. Diverter pipe 1; 124. Diverter pipe 2; 2. Storage box; 21. Box cover; 22. Oil outlet hole 1; 23. Oil outlet hole 2; 3. Diverter adjustment mechanism 1; 31. Connecting pipe 1; 32. Solenoid valve 1; 33. Connecting pipe 1; 34. Feeding pipe 1; 35. Solenoid valve 2; 4. Diverter adjustment mechanism 2; 41. Connecting pipe 2; 42. Solenoid valve 3; 43. Connecting pipe 2; 44. Feeding pipe 2 ;45. Solenoid valve four;5. Flow guide pipe;51. Dilute nitric acid unit body;6. Extrusion mechanism;61. Ventilation pipe;62. Pump box;63. Corrugated hose;64. Extrusion block;641. Push block;642. Connecting block;643. Spring telescopic rod;644. Pressure sensor;65. Telescopic rod;7. Feeding mechanism;71. Storage box;711. Observation port;712. Transparent glass;72. Top cover;73. Pushing mechanism;731. Threaded column;732. Pushing plate;74. Drive assembly;741. Threaded sleeve;742. Motor;743. Bevel gear assembly;8. Feeding pipe;81. Solenoid valve five;9. Sealing gasket. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1

[0037] In order to solve the technical problems in the background technology, the following high-efficiency lubrication system for a nitric acid four-in-one unit is provided:

[0038] Combination Figure 1-Figure 7 As shown, the high-efficiency lubrication system for a nitric acid four-in-one unit provided by the present invention comprises a base 1, a storage box 2 with an open top is fixed on the top of the base 1, a box cover 21 for sealing the open end thereof is fixedly installed on the storage box 2 by screws, an oil outlet hole 1 22 and an oil outlet hole 23 connected to the inner bottom wall of the storage box 2 are opened at the bottom position of one side of the storage box 2, a high-pressure pump 12 and a low-pressure pump 11 are fixedly installed on the top of the base 1, a feed end of the high-pressure pump 12 is connected to the oil outlet hole 1 22, and a feed end of the low-pressure pump 11 is connected to the oil outlet hole 23;

[0039] The discharge ends of the high-pressure pump 12 and the low-pressure pump 11 are respectively fixed with a discharge pipe 121 and a discharge pipe 2 111, the end of the discharge pipe 121 is fixedly connected with a shunt pipe 123 and a shunt pipe 2 124 through a three-way joint 122, the end of the discharge pipe 2 111 is fixedly connected with a shunt pipe 3 113 and a shunt pipe 4 114 through a three-way joint 112, the other end of the shunt pipe 123 and the other end of the shunt pipe 3 113 are installed with a shunt regulating mechanism 1 3, the other end of the shunt pipe 2 124 and the other end of the shunt pipe 4 114 are installed with a shunt regulating mechanism 2 4, the shunt regulating mechanism 1 3 and the shunt regulating mechanism 2 4 are connected with a plurality of guide pipes 5, the other ends of the plurality of guide pipes 5 are connected with a dilute nitric acid unit body 51, and the plurality of guide pipes 5 are respectively connected with the high-pressure pump 12 or the low-pressure pump 11 through the shunt regulating mechanism 1 3 and the shunt regulating mechanism 2 4;

[0040] A squeezing mechanism 6 is installed on the box cover 21 and inside the storage box 2. The cross-section between the squeezing mechanism 6 and the inner wall of the storage box 2 fits together. The squeezing mechanism 6 is used to push the grease in the storage box 2 toward the bottom of the storage box 2 to squeeze the grease in the storage box 2.

[0041] When in use, the grease is fed into the storage box 2 for storage. When the grease is transported to the dilute nitric acid unit main body 51, the high-pressure pump 12 and the low-pressure pump 11 are controlled to work, and the grease in the storage box 2 can be extracted and respectively injected into the discharge pipe 1 121 and the discharge pipe 2 111 for high-pressure and low-pressure grease injection, so as to achieve the effect of high-pressure injection of grease into the shunt pipe 1 123 and the shunt pipe 2 124, and low-pressure injection of grease into the shunt pipe 3 113 and the shunt pipe 4 114. At this time, through the cooperation of the shunt regulating mechanism 1 3 and the shunt regulating mechanism 2 4, the multiple guide pipes 5 are respectively connected to the high-pressure pump 12 or the low-pressure pump 11, so as to achieve the effect of high-pressure injection of grease or low-pressure injection of grease into the multiple guide pipes 5 at the same time, replacing the method of sequentially transporting grease at high pressure and low pressure by adjusting the delivery pressure, which is more convenient and beneficial to the lubrication operation of the dilute nitric acid unit main body 51 and improves the lubrication efficiency;

[0042] By setting up the squeezing mechanism 6, the grease in the storage box 2 is pushed to the bottom of the storage box 2, and the grease in the storage box 2 is squeezed, which is beneficial for the high-pressure pump 12 or the low-pressure pump 11 to work to extract the grease outward and transport it to the dilute nitric acid unit body 51, which is beneficial for the lubrication operation of the dilute nitric acid unit body 51.

[0043] In this embodiment, the extrusion mechanism 6 includes a vent pipe 61, a pump box 62, a corrugated hose 63, a telescopic rod 65 and an extrusion block 64;

[0044] The box cover 21 is connected with a vent pipe 61, and a pump box 62 connected with the vent pipe 61 is fixedly installed on the top of the box cover 21. Specifically, an air supply pump and an air suction pump are arranged in the pump box 62, and the air outlet end of the air supply pump and the air inlet end of the air suction pump are connected with the vent pipe 61. Telescopic rods 65 are symmetrically fixed to the bottom of the box cover 21, and the ends of the two telescopic rods 65 are fixed with extrusion blocks 64 that can extend into the storage box 2, and the cross-section between the outer wall of the extrusion block 64 and the inner wall of the storage box 2 is fitted, and a corrugated hose 63 is fixedly installed on the top of the extrusion block 64, and the other end of the corrugated hose 63 is sleeved on the outside of the vent pipe 61 and fixedly connected with the box cover 21, and the two ends of the corrugated hose 63 are respectively connected with the box cover 21 and the extrusion block 6 4 are fitted together. When in use, the air supply pump in the pump box 62 is controlled to work, so that gas can be transported into the vent pipe 61, so that the gas enters the corrugated hose 63. As the amount of gas in the corrugated hose 63 increases, the corrugated hose 63 can be deformed, pushing the extrusion block 64 to move along the two telescopic rods 65 away from the box cover 21, so that the extrusion block 64 slides toward the bottom wall of the storage box 2, pushing the grease in the storage box 2 toward the bottom of the storage box 2. Conversely, the air extraction pump in the pump box 62 is controlled to work, so that the gas in the vent pipe 61 can be pumped out, and the gas in the corrugated hose 63 can be pumped out. The amount of gas in the corrugated hose 63 is reduced, and the extrusion block 64 can be moved along the two telescopic rods 65 toward the box cover 21.

[0045] In this embodiment, the shunt regulating mechanism 13 includes a connecting pipe 131, a solenoid valve 132, a connecting pipe 133, a feeding pipe 134 and a solenoid valve 235; the ends of the shunt pipe 123 and the shunt pipe 3 113 are both provided with a connecting pipe 131, a solenoid valve 132 is fixedly installed on the connecting pipe 131, the other ends of the two connecting pipes 131 are fixedly connected with a connecting pipe 133, a plurality of feeding pipes 134 which are connected to the inside thereof are fixedly installed on the connecting pipe 133, the plurality of feeding pipes 134 are respectively connected with a plurality of guide pipes 5, and a solenoid valve 235 is fixedly installed on the feeding pipe 134; The shunt regulating mechanism 24 comprises a connecting pipe 241, a solenoid valve 342, a connecting pipe 243, a feeding pipe 244 and a solenoid valve 445; the ends of the shunt pipe 2124 and the shunt pipe 414 are fixedly connected with the connecting pipe 241, the solenoid valve 342 is fixedly installed on the connecting pipe 241, the other ends of the two connecting pipes 241 are fixedly connected with the connecting pipe 243, a plurality of feeding pipes 244 connected to the inside thereof are fixedly installed on the connecting pipe 243, and the plurality of feeding pipes 244 are respectively connected with the plurality of guide pipes 5, and the feeding pipe 244 is fixedly installed with the solenoid valve 445. When in use, The solenoid valve 32 on the connecting pipe 31 connected to the shunt pipe 123 is controlled to be opened, and the other solenoid valve 32 is closed, so that the connecting pipe 33 can be connected to the high-pressure pump 12, and the high-pressure pump 12 can be controlled to work, so that the grease can be injected into the connecting pipe 33 under high pressure, and then transported to multiple feeding pipes 34, and then through the cooperation of the solenoid valve 2 35, the grease can be injected into the main body 51 of the dilute nitric acid unit under high pressure. Conversely, the solenoid valve 32 on the connecting pipe 31 connected to the shunt pipe 123 is controlled to be closed, and the other solenoid valve 32 is opened, that is, The connecting pipe 33 can be connected to the low-pressure pump 11, and the low-pressure pump 11 can be controlled to work, so as to achieve the effect of low-pressure injection of grease into the connecting pipe 33. Similarly, through the cooperation of the solenoid valve three 42 and the solenoid valve four 45, the high-pressure pump 12 and the low-pressure pump 11 can be controlled to work at the same time, so as to achieve the effect of synchronously injecting high-pressure grease and low-pressure lubricating oil into the dilute nitric acid unit body 51. It is worth noting that: when the solenoid valve 132 on the connecting pipe 31 connected to the shunt pipe 123 is controlled to be opened, the solenoid valve 342 on the connecting pipe 2 41 connected to the shunt pipe 3 113 needs to be controlled to be closed.

[0046] Embodiment 2

[0047] like Figure 1-Figure 7 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0048] In this embodiment, the extrusion block 64 includes a push block 641, a connection block 642, a spring telescopic rod 643 and a pressure sensor 644. A groove is provided on the top of the push block 641. The spring telescopic rods 643 are symmetrically fixed in a vertical direction on the push block 641 and located in the groove. The tops of the two spring telescopic rods 643 are fixed with a connection block 642. A pressure sensor 644 in contact with the connection block 642 is fixedly installed on the push block 641 and located in the groove. The corrugated hose 63 is fixedly connected to the top of the connection block 642. The push block 641 is fixedly connected to the top of the connection block 642. The cross section between the outer wall of the storage box 41 and the inner wall of the storage box 2 fits together, wherein, in this embodiment, the pressure sensor 644 is communicatively connected to the PLC control system, and the PLC control system is communicatively connected to the pump box 62. When in use, the pump box 62 is controlled to make the connecting block 642 slide downward in the storage box 2, drive the push block 641 to move downward, push the grease to the bottom of the storage box 2, thereby squeezing the grease in the storage box 2. When the grease in the storage box 2 fills the space below the push block 641 in the storage box 2, the push block 641 When the grease is squeezed, under the reverse force of the force, it moves toward the connecting block 642 along the two spring telescopic rods 643. The two spring telescopic rods 643 are deformed by the force. At this time, the force detection signal of the pressure sensor 644 changes, which is fed back to the PLC control system. The PLC control system controls the pump box 62 to stop working. When the high-pressure pump 12 or the low-pressure pump 11 works to extract the grease outward, the amount of grease in the space below the push block 641 decreases, and the two spring telescopic rods 643 return to their natural state. The pressure sensor 644 is The force decreases and the detection signal changes, which is fed back to the PLC control system. The PLC control system controls the operation of the pump box 62, causing the connecting block 642 to slide downward in the storage box 2, thereby pushing the grease to the bottom of the storage box 2, squeezing the grease in the storage box 2, so that the grease in the storage box 2 fills the space below the pushing block 641 in the storage box 2, which is beneficial for the high-pressure pump 12 or the low-pressure pump 11 to work to extract the grease outward and transport it to the dilute nitric acid unit body 51, which is beneficial for lubricating the dilute nitric acid unit body 51.

[0049] In this embodiment, a feeding mechanism 7 is installed on the base 1 and on one side of the storage box 2. The discharge end of the feeding mechanism 7 is connected to the inner bottom wall of the storage box 2 through a guide pipe 8. A solenoid valve 5 81 is fixedly installed on the guide pipe 8. By setting the feeding mechanism 7, the guide pipe 8 and the solenoid valve 5 81, when in use, the solenoid valve 5 81 is controlled to open, the blockage of the guide pipe 8 is cancelled, and grease is transported to the guide pipe 8 through the feeding mechanism 7, thereby achieving the effect of transporting grease into the storage box 2 and below the push block 641, which is convenient for adding grease into the storage box 2.

[0050] In this embodiment, the feeding mechanism 7 includes a storage box 71 fixedly mounted on the top of the base 1, the guide pipe 8 is connected to the bottom position of one side of the storage box 71, the top of the storage box 71 is open, and a top cover 72 for sealing the open end is hinged on the storage box 71, and the top cover 72 is fixed to the storage box 71 by a buckle, and a pushing mechanism 73 is installed on the top cover 72 and located in the storage box 71. Specifically, it should be noted that the pushing mechanism 73 can be hidden in the top cover 72, and the pushing mechanism 73 and the The cross-sections of the inner walls of the storage box 71 are fitted together, and the pushing mechanism 73 is used to push the grease in the storage box 71 to the bottom of the storage box 71. When in use, the pushing mechanism 73 is hidden in the top cover 72, and the grease material is fed into the storage box 71, and then the top cover 72 is rotated on the storage box 71 to seal the open end of the storage box 71. At this time, the grease in the storage box 71 is pushed to the bottom of the storage box 71 by the pushing mechanism 73, so that the grease material in the storage box 71 can be transported to the guide pipe 8.

[0051] Embodiment 3

[0052] like Figure 1-Figure 7 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0053] The cam 732 is in a state of being pushed upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the push plate 732 being in a state of being moved upwardly and downwardly with the

[0054] In this embodiment, the driving assembly 74 includes a threaded sleeve 741 threadedly connected to the threaded column 731, the threaded sleeve 741 is rotatably connected to the top cover 72, a motor 742 is fixedly mounted on the top cover 72, and the output shaft of the motor 742 is connected to the threaded sleeve 741 through a bevel gear assembly 743. When in use, the motor 742 is controlled to be turned on, and the output shaft of the motor 742 rotates to drive the threaded sleeve 741 to rotate on the top cover 72 through the bevel gear assembly 743, so that the threaded column 731 can slide along the top cover 72, which is convenient for control.

[0055] In this embodiment, the outer side walls of the push block 641 and the push plate 732 are provided with sealing grooves, and sealing gaskets 9 are fixedly installed on the push block 641 and the push plate 732 and in the sealing grooves. It is worth noting that the two sealing gaskets 9 are respectively in conflict with the inner side walls of the storage box 71 and the storage box 2. Through the design of the sealing gaskets 9, the sealing between the push block 641 and the storage box 2 and between the push plate 732 and the storage box 71 is increased.

[0056] The storage box 71 is provided with an observation port 711 connected to its interior on one side, and a transparent glass 712 for sealing the observation port 711 is inlaid on the storage box 71 and located in the observation port 711. One side of the transparent glass 712 is flush with the inner wall of the storage box 71. Through the design of the observation port 711, when the push plate 732 moves in the storage box 71 to push the grease downward, the position of the push plate 732 can be known through the observation port 711, so that the staff can understand the grease stock in the storage box 71 and add materials to the storage box 71 conveniently.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. High-efficiency lubrication system for nitric acid four-in-one unit, characterized by: The utility model comprises a base, a storage box with an open top is fixed on the top of the base, a box cover for sealing the open end is fixedly installed on the storage box by screws, an oil outlet hole 1 and an oil outlet hole 2 connected to the inner bottom wall of the storage box are opened at the bottom position of one side of the storage box, a high-pressure pump and a low-pressure pump are fixedly installed on the top of the base, a feed end of the high-pressure pump is connected to the oil outlet hole 1, and a feed end of the low-pressure pump is connected to the oil outlet hole 2; The discharge ends of the high-pressure pump and the low-pressure pump are respectively fixed with a discharge pipe 1 and a discharge pipe 2, the end of the discharge pipe 1 is fixedly connected with a shunt pipe 1 and a shunt pipe 2 through a three-way joint 1, the end of the discharge pipe 2 is fixedly connected with a shunt pipe 3 and a shunt pipe 4 through a three-way joint 2, the other end of the shunt pipe 1 and the other end of the shunt pipe 3 are installed with a shunt regulating mechanism 1, the other end of the shunt pipe 2 and the other end of the shunt pipe 4 are installed with a shunt regulating mechanism 2, the shunt regulating mechanism 1 and the shunt regulating mechanism 2 are connected with a plurality of guide pipes, the other ends of the plurality of guide pipes are connected with a dilute nitric acid unit body, and the plurality of guide pipes are respectively connected with the high-pressure pump or the low-pressure pump through the shunt regulating mechanism 1 and the shunt regulating mechanism 2; An extrusion mechanism is installed on the box cover and inside the storage box. The cross section between the extrusion mechanism and the inner wall of the storage box fits together. The extrusion mechanism is used to push the grease in the storage box toward the bottom of the storage box to squeeze the grease in the storage box.

2. The high-efficiency lubrication system for a nitric acid four-in-one unit according to claim 1, characterized in that: The extrusion mechanism includes a vent pipe, a pump box, a corrugated hose, a telescopic rod and an extrusion block; A ventilation pipe is connected through the box cover, a pump box connected to the ventilation pipe is fixedly installed on the top of the box cover, telescopic rods are symmetrically fixed to the bottom of the box cover, extrusion blocks that can extend into the storage box are fixed at the ends of the two telescopic rods, the cross-section between the outer wall of the extrusion block and the inner wall of the storage box is fitted, a corrugated hose is fixedly installed on the top of the extrusion block, the other end of the corrugated hose is sleeved on the outside of the ventilation pipe and fixedly connected to the box cover, and the two ends of the corrugated hose are respectively fitted with the cross-section between the box cover and the extrusion block.

3. The high-efficiency lubrication system for the four-in-one nitric acid unit according to claim 2 is characterized in that: The shunt regulating mechanism 1 includes a connecting pipe 1, a solenoid valve 1, a connecting pipe 1, a feed pipe 1 and a solenoid valve 2; the ends of the shunt pipe 1 and the shunt pipe 3 are each provided with a connecting pipe 1, on which a solenoid valve 1 is fixedly installed, and the other ends of the two connecting pipes 1 are fixedly connected to a connecting pipe 1, on which a plurality of feed pipes 1 which are all connected to the interior thereof are fixedly installed, and the plurality of feed pipes 1 are respectively connected to a plurality of guide pipes, and on which a solenoid valve 2 is fixedly installed.

4. The high-efficiency lubrication system for a nitric acid four-in-one unit according to claim 3 is characterized in that: The second shunt regulating mechanism includes a connecting pipe 2, a solenoid valve 3, a connecting pipe 2, a feed pipe 2 and a solenoid valve 4; the ends of the shunt pipe 2 and the shunt pipe 4 are fixedly connected with the connecting pipe 2, the solenoid valve 3 is fixedly installed on the connecting pipe 2, the other ends of the two connecting pipes 2 are fixedly connected with the connecting pipe 2, a plurality of feed pipes 2 which are connected to the inside thereof are fixedly installed on the connecting pipe 2, and the plurality of feed pipes 2 are respectively connected with a plurality of guide pipes, and the feed pipe 2 is fixedly installed with a solenoid valve 4.

5. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 4, characterized in that: The extrusion block includes a pushing block, a connecting block, a spring telescopic rod and a pressure sensor. A groove is provided on the top of the pushing block. The spring telescopic rods are symmetrically fixed in the vertical direction on the pushing block and located in the groove. A connecting block is fixed on the top of the two spring telescopic rods. A pressure sensor in contact with the connecting block is fixedly installed on the pushing block and located in the groove. The corrugated hose is fixedly connected to the top of the connecting block, and the cross-section between the outer wall of the pushing block and the inner wall of the storage box fits together.

6. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 5, characterized in that: A feeding mechanism is installed on the base and on one side of the storage box. The discharge end of the feeding mechanism is connected to the inner bottom wall of the storage box through a material guide pipe, and a solenoid valve five is fixedly installed on the material guide pipe.

7. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 6, characterized in that: The feeding mechanism includes a material storage box fixedly installed on the top of the base, a material guide pipe is connected to the bottom position of one side of the material storage box, the top of the material storage box is open, and a top cover for sealing the open end is hinged on the material storage box, and the top cover is fixed to the material storage box by a buckle, and a pushing mechanism is installed on the top cover and located inside the material storage box, the cross-section between the pushing mechanism and the inner side wall of the material storage box is in contact, and the pushing mechanism is used to push the grease in the material storage box to the bottom of the material storage box.

8. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 7, characterized in that: The pushing mechanism includes a threaded column that moves vertically through the top cover, the bottom of the threaded column extends into the storage box and is rotatably connected to a pushing plate, the cross-section between the outer wall of the pushing plate and the inner wall of the storage box fits together, and a driving assembly that acts on the threaded column is installed on the top cover, which is used to make the threaded column slide or stop sliding along the top cover.

9. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 8, characterized in that: The driving assembly comprises a threaded sleeve threadedly connected to the threaded column, the threaded sleeve is rotationally connected to the top cover, a motor is fixedly mounted on the top cover, and the output shaft of the motor is connected to the threaded sleeve through a bevel gear assembly.

10. The high-efficiency lubrication system for a four-in-one nitric acid unit according to claim 9, characterized in that: The outer side walls of the push block and the push plate are both provided with sealing grooves, and sealing pads are fixedly installed on the push block and the push plate and in the sealing grooves; An observation port connected to the interior of the storage box is provided on one side of the storage box, and transparent glass for sealing the observation port is inlaid on the storage box and located in the observation port, and one side of the transparent glass is flush with the inner wall of the storage box.

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