CN112253549A - Mechanical seal flushing device - Google Patents
Mechanical seal flushing device Download PDFInfo
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- CN112253549A CN112253549A CN202011124069.7A CN202011124069A CN112253549A CN 112253549 A CN112253549 A CN 112253549A CN 202011124069 A CN202011124069 A CN 202011124069A CN 112253549 A CN112253549 A CN 112253549A
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- Prior art keywords
- fixedly connected
- movable
- mechanical seal
- water inlet
- inlet pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a mechanical seal flushing device, wherein a mechanical seal flushing component comprises a pump body water inlet pipe, a pump body shell, an impeller movable cavity, an impeller supporting rod, a first water inlet pipe, a first booster pump, a first movable water baffle, a first movable baffle block, a second water inlet pipe, a flushing nozzle, a rotary flushing pipe, a second booster pump, a second movable water baffle, a rubber sealing ring, a second movable baffle block, a first fastening bolt, a sealing connecting plate and a rubber sealing gasket, the left side of the pump body water inlet pipe is fixedly connected with the pump body shell, and the right side of the pump body shell is internally provided with the impeller movable cavity. This mechanical seal washing unit is provided with and filters the sediment device, and turbid liquid passes through the inside that return funnel got into the filtration sediment case, filters and deposits liquid through first filter screen and second filter screen, and the liquid after the filtration gets into first inlet tube through wash pipe and the second booster pump of circling round, cyclic utilization, resources are saved reduces the manufacturing cost of enterprise.
Description
Technical Field
The invention relates to the technical field of mechanical seal, in particular to a mechanical seal flushing device.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to a rotation axis under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seals, and the mechanical seal leakage is a common phenomenon of pump equipment, the leakage reasons are various, the analysis reasons are difficult, the replacement or overhaul not only costs a large amount of funds and affects the working schedule, but also often cannot achieve the ideal effect.
In order to ensure the cooling of the sealing ring, mechanical seal production enterprises usually design the flushing hole to be large so as to ensure enough flow, and computer simulation calculation and practice verification prove that the actual situation is unnecessary, especially when the rotating speed of a pump is not high or normal temperature media are conveyed, the small flow can take away heat generated by friction of a moving ring and a static ring, in addition, the too large flushing hole can cause overlarge internal pressure of the mechanical seal, the distribution is uneven, the sealing ring is easy to abrade too fast, and the mechanical seal leakage is easy to cause under the conditions that the assembly precision of the pump is not high enough, the operation vibration of the pump is large or an O-shaped sealing ring is aged.
Disclosure of Invention
The present invention is directed to a mechanical seal flushing device to solve the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mechanical seal washing unit, includes mechanical seal washing unit, mechanical seal subassembly and filters and deposits the device, the inside middle part fixedly connected with mechanical seal subassembly of mechanical seal washing unit, the bottom fixedly connected with of mechanical seal subassembly filters and deposits the device.
The mechanical seal flushing component comprises a pump body water inlet pipe, a pump body shell, an impeller movable cavity, an impeller supporting rod, a first water inlet pipe, a first booster pump, a first movable water baffle, a first movable baffle block, a second water inlet pipe, a flushing nozzle, a convolute flushing pipe, a second booster pump, a second movable water baffle, a rubber sealing ring, a second movable baffle block, a first fastening bolt, a sealing connecting plate and a rubber sealing gasket, wherein the left side of the pump body water inlet pipe is fixedly connected with the pump body shell, the right side of the pump body shell is internally provided with the impeller movable cavity, the inside of the impeller movable cavity is movably connected with the impeller, the left side of the impeller is movably connected with the impeller supporting rod, the top left side of the impeller supporting rod is fixedly connected with the first water inlet pipe, the outer surface of the first water inlet pipe is fixedly connected, the utility model discloses a pump body shell, including first movable breakwater, bottom fixedly connected with second inlet tube, the bottom fixedly connected with washing terminals of second inlet tube, the right side bottom fixedly connected with washing pipe of first inlet tube circles round, the bottom external surface fixedly connected with second booster pump of the washing pipe that circles round, and the inside top of the washing pipe that circles round articulates there is second movable breakwater, the external surface fixedly connected with rubber seal of second movable breakwater, rubber seal's left side bottom swing joint has second movable breakwater dog, the left end swing joint of pump body shell has sealing connecting plate, sealing connecting plate's inside threaded connection in top has first fastening bolt, sealing connecting plate's right side fixedly connected with rubber seal pad.
The mechanical seal assembly comprises a pump shaft, a bearing, a first sealing plate, a mechanical sealing element and a second sealing plate, wherein the bearing is fixedly connected to the outer surface of the left side of the pump shaft, the first sealing plate is fixedly connected to the right side of the bearing, the mechanical sealing element is fixedly connected to the right side of the first sealing plate, and the second sealing plate is fixedly connected to the right side of the mechanical sealing element.
The filtering and settling device comprises a reflux funnel, a filtering and settling tank, a first filter screen, a second filter screen, a filtering and settling tank base, a movable connecting plate, a first connecting block, a second fastening bolt and a nut, the bottom of the rotary funnel is fixedly connected with a filtering and settling tank, the top inside the filtering and settling tank is fixedly connected with a first filter screen, the bottom of the first filter screen is fixedly connected with a second filter screen, the bottom of the second filter screen is fixedly connected with a filtering and settling tank base, the outer surface of the filtering and settling tank base is movably connected with a movable connecting plate, the top of the front of the movable connecting plate is fixedly connected with a first connecting block, the bottom of the first connecting block is movably connected with a second connecting block, the inside of the second connecting block is movably connected with a second fastening bolt, and the outer surface of the bottom of the second fastening bolt is in threaded connection with a nut.
Preferably, the left end of the pump body water inlet pipe is communicated with the impeller movable cavity, the left side of the inside of the impeller movable cavity is fixedly connected with an impeller supporting rod, the left end of the impeller supporting rod is fixedly connected with a sealing connecting plate, and the left side of the sealing connecting plate is provided with a mechanical working cavity.
Preferably, the right end of the first water inlet pipe is communicated with the impeller movable cavity, the outer surface of the first water inlet pipe is fixedly connected with a pump body shell, the outer surface of the rotary flushing pipe is fixedly connected with the pump body shell, and the right side of the inner part of the left end of the first water inlet pipe is fixedly connected with a first movable plate check block.
Preferably, the bottom of the middle part of the pump body shell is fixedly connected with a water inlet pipe connecting rod, the bottom of the water inlet pipe connecting rod is fixedly connected with a second water inlet pipe, and the two sides of the second water inlet pipe are fixedly connected with a first sealing plate and a second sealing plate.
Preferably, the top of the mechanical sealing element is fixedly connected with five flushing nozzles, the bottom of the mechanical sealing element is fixedly connected with a return funnel, and the two sides of the return funnel are fixedly connected with a first sealing plate and a second sealing plate.
Preferably, the inside bottom threaded connection of filtering and precipitating case has the filtering and precipitating case base, and the bottom fixedly connected with of filtering and precipitating case base rotates the handle, and the surface swing joint of rotatory handle has swing joint board, filtering and precipitating case's inside middle part lower extreme fixedly connected with second filter screen.
Preferably, the top of the right side of the filtering and settling tank is fixedly connected with a rotary flushing pipe, the left side of the top of the inside of the rotary flushing pipe is fixedly connected with a second movable plate check block, the outer surface of the filtering and settling tank is movably connected with a movable connecting plate, the front of the movable connecting plate is fixedly connected with a second connecting block, and the right side of the movable connecting plate is movably connected with a pump shell.
Preferably, the back fixedly connected with pump body shell of first connecting block, the inside fixedly connected with screw thread of first connecting block, the inside threaded connection of screw thread has second fastening bolt, the bottom swing joint of pump body shell has swing joint board, and the filter precipitation case standing groove has been seted up to swing joint board's inside, and the inside swing joint of filter precipitation case standing groove has the filter precipitation case.
Preferably, a mechanical working chamber is formed inside the left side of the pump body shell, a rubber sealing gasket is movably connected to the left side of the inside of the mechanical working chamber, a bearing is movably connected to the right side of the rubber sealing gasket, a pump shaft is fixedly connected to the middle of the inside of the mechanical working chamber, and a sealing connecting plate is movably connected to the right end of the pump shaft.
Compared with the prior art, the invention has the beneficial effects that:
(1) this mechanical seal washing unit is provided with sealing connection board, thereby drives bearing and mechanical seal rotation through the pump shaft, and first closing plate and second closing plate seal mechanical seal, make sealing connection board and pump body shell be connected through first fastening bolt, and rubber packing can effectually prevent that the dust from getting into the inside of pump body shell.
(2) This mechanical seal washing unit is provided with the mechanical seal subassembly that washes, and liquid enters into the inside in impeller activity chamber through the pump body inlet tube, and the impeller begins work this moment, under the effect of first inlet tube and first booster pump, liquid gets into the inside of second inlet tube, through the shower nozzle blowout at last, realizes washing and the heat dissipation to mechanical seal.
(3) This mechanical seal washing unit is provided with and filters the sediment device, and turbid liquid passes through the inside that return funnel got into the filtration sediment case, filters and deposits liquid through first filter screen and second filter screen, and the liquid after the filtration gets into first inlet tube through wash pipe and the second booster pump of circling round, cyclic utilization, resources are saved reduces the manufacturing cost of enterprise.
(4) This mechanical seal washing unit is provided with swing joint board, through second fastening bolt and nut with swing joint board and pump body shell separation, will filter the impurity discharge of the inside bottom of settling tank through rotatory filtration settling tank base this moment, the effectual jam that prevents washing liquid for the equipment of filtering sedimentation device and mechanical seal washing unit spare is convenient, dismantles easy operation.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the front view of the internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the filtration and precipitation apparatus taken out of FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 5 is an enlarged view of the structure at B in FIG. 2;
fig. 6 is an enlarged schematic view of the structure at C in fig. 3.
In the figure: 1 mechanical seal flushing component, 101 pump body water inlet pipe, 102 pump body shell, 103 impeller movable cavity, 104 impeller, 105 impeller supporting rod, 106 first water inlet pipe, 107 first booster pump, 108 first movable water baffle, 109 first movable plate stopper, 110 second water inlet pipe, 111 flushing nozzle, 112 rotary flushing pipe, 113 second booster pump, 114 second movable water baffle, 115 rubber sealing ring, 116 second movable plate stopper, 117 first fastening bolt, 118 sealing connecting plate, 119 rubber sealing gasket, 2 mechanical seal component, 201 pump shaft, 202 bearing, 203 first sealing plate, 204 mechanical sealing element, 205 second sealing plate, 3 filter sedimentation device, 301 backflow funnel, 302 filter sedimentation box, 303 first filter screen, 304 second filter screen, 305 filter sedimentation box base, 306 movable connecting plate, 307 first connecting block, 308 second connecting block, 309 second fastening bolt, 310 nut, respectively.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a mechanical seal washing unit, includes that mechanical seal washes subassembly 1, mechanical seal subassembly 2 and filters and deposit device 3, and mechanical seal washes subassembly 1's inside middle part fixedly connected with mechanical seal subassembly 2, and mechanical seal subassembly 2's bottom fixedly connected with filters and deposits device 3.
The mechanical seal flushing component 1 comprises a pump body water inlet pipe 101, a pump body shell 102, an impeller movable cavity 103, an impeller 104, an impeller supporting rod 105, a first water inlet pipe 106, a first booster pump 107, a first movable water baffle 108, a first movable plate stopper 109, a second water inlet pipe 110, a flushing nozzle 111, a rotary flushing pipe 112, a second booster pump 113, a second movable water baffle 114, a rubber sealing ring 115, a second movable plate stopper 116, a first fastening bolt 117, a sealing connecting plate 118 and a rubber sealing gasket 119, wherein the left end of the pump body water inlet pipe 101 is communicated with the impeller movable cavity 103, the left side of the interior of the impeller movable cavity 103 is fixedly connected with the impeller supporting rod 105, the left end of the impeller supporting rod 105 is fixedly connected with the sealing connecting plate, the left side of the sealing connecting plate is provided with a mechanical working cavity, the left side of the pump body water inlet pipe 101 is fixedly connected, the left side inside the mechanical working cavity is movably connected with a rubber sealing gasket 119, the right side of the rubber sealing gasket 119 is movably connected with a bearing 202, the middle inside the mechanical working cavity is fixedly connected with a pump shaft 201, the right end of the pump shaft 201 is movably connected with a sealing connecting plate, the bottom of the middle part of the pump body shell 102 is fixedly connected with a water inlet pipe connecting rod, the bottom of the water inlet pipe connecting rod is fixedly connected with a second water inlet pipe 110, two sides of the second water inlet pipe 110 are fixedly connected with a first sealing plate 203 and a second sealing plate 205, the right side inside the pump body shell 102 is provided with an impeller movable cavity 103, the inside of the impeller movable cavity 103 is movably connected with an impeller 104, the left side of the impeller 104 is movably connected with an impeller supporting rod 105, the left side of the top of the impeller supporting rod 105 is fixedly connected with a, the outer surface of the rotary flushing pipe 112 is fixedly connected with the pump body shell 102, the right side inside the left end of the first water inlet pipe 106 is fixedly connected with a first movable plate stopper 109, the outer surface of the first water inlet pipe 106 is fixedly connected with a first booster pump 107, the bottom inside the left side of the first water inlet pipe 106 is hinged with a first movable water baffle 108, the right side of the top of the first movable water baffle 108 is movably connected with the first movable plate stopper 109, the bottom of the first movable water baffle 108 is fixedly connected with a second water inlet pipe 110, the bottom of the second water inlet pipe 110 is fixedly connected with a flushing nozzle 111, the right side bottom of the first water inlet pipe 106 is fixedly connected with a rotary flushing pipe 112, the outer surface of the bottom of the rotary flushing pipe 112 is fixedly connected with a second booster pump 113, the top inside of the rotary flushing pipe 112 is hinged with a second movable water baffle 114, the bottom of the left side of the rubber seal ring 115 is movably connected with a second movable plate stopper 116, the left end of the pump body shell 102 is movably connected with a sealing connection plate 118, the top of the sealing connection plate 118 is internally and threadedly connected with a first fastening bolt 117, the pump shaft 201 drives the bearing 202 and the mechanical sealing element 204 to rotate, the mechanical sealing element 204 is sealed by a first sealing plate 203 and a second sealing plate 205, the sealing connection plate 118 is connected with the pump body shell 102 through the first fastening bolt 117, the rubber seal 119 can effectively prevent dust from entering the inside of the pump body shell 102, the right side of the sealing connection plate 118 is fixedly connected with a rubber seal 119, liquid enters the inside of the impeller movable cavity 103 through the pump body water inlet pipe 101, at the moment, the impeller 104 starts to work, and under the action of the first water inlet pipe 106 and the first booster pump 107, the liquid enters the inside of the, flushing and heat dissipation of the mechanical seal 204 is achieved.
The mechanical seal assembly 2 comprises a pump shaft 201, a bearing 202, a first seal plate 203, a mechanical seal 204 and a second seal plate 205, the bearing 202 is fixedly connected to the outer surface of the left side of the pump shaft 201, the first seal plate 203 is fixedly connected to the right side of the bearing 202, the mechanical seal 204 is fixedly connected to the right side of the first seal plate 203, the top fixedly connected with washing nozzles 111 of the mechanical seal 204, the number of the washing nozzles 111 is five, a backflow funnel 301 is fixedly connected to the bottom of the mechanical seal 204, the first seal plate 203 and the second seal plate 205 are fixedly connected to the two sides of the backflow funnel 301, and the second seal plate 205 is fixedly connected to the right side of the mechanical seal.
The filtering and precipitating device 3 comprises a return funnel 301, a filtering and precipitating tank 302, a first filter screen 303, a second filter screen 304, a filtering and precipitating tank base 305, a movable connecting plate 306, a first connecting block 307, a second connecting block 308, a second fastening bolt 309 and a nut 310, wherein the bottom of the rotary funnel 301 is fixedly connected with the filtering and precipitating tank 302, the right top of the filtering and precipitating tank 302 is fixedly connected with a rotary flushing pipe 112, the left side of the inner top of the rotary flushing pipe 112 is fixedly connected with a second movable plate stopper 116, the outer surface of the filtering and precipitating tank 302 is movably connected with the movable connecting plate 306, the front of the movable connecting plate 306 is fixedly connected with the second connecting block 308, the right side of the movable connecting plate 306 is movably connected with a pump body shell 102, the inner bottom of the filtering and precipitating tank 302 is in threaded connection with the filtering and precipitating tank base 305, the outer surface of the rotating handle is movably connected with a movable connecting plate 306, the lower end of the middle part inside the filtering and precipitating tank 302 is fixedly connected with a second filter screen 304, the top inside the filtering and precipitating tank 302 is fixedly connected with a first filter screen 303, the bottom of the first filter screen 303 is fixedly connected with a second filter screen 304, the bottom of the second filter screen 304 is fixedly connected with a filtering and precipitating tank base 305, the outer surface of the filtering and precipitating tank base 305 is movably connected with the movable connecting plate 306, the top front of the movable connecting plate 306 is fixedly connected with a first connecting block 307, the back of the first connecting block 307 is fixedly connected with the pump body shell 102, the inside of the first connecting block 307 is fixedly connected with threads, the internal threads of the threads are connected with second fastening bolts 309, the bottom of the pump body shell 102 is movably connected with the movable connecting plate 306, the filtering and precipitating tank placing groove is formed inside the movable connecting plate 306, the movable connecting plate 306 is separated from the pump body shell 102 through the second fastening bolt 309 and the nut 310, at this time, impurities at the bottom inside the filtering and settling tank 302 are discharged through rotating the filtering and settling tank base 305, so that the blockage of flushing liquid is effectively prevented, the assembly of the filtering and settling device 3 and the mechanical seal flushing assembly 1 is convenient, the disassembly operation is simple, the bottom of the first connecting block 307 is movably connected with the second connecting block 308, the inside of the second connecting block 308 is movably connected with the second fastening bolt 309, the outer surface of the bottom of the second fastening bolt 309 is in threaded connection with the nut 310, turbid liquid enters the filtering and settling tank 302 through the backflow funnel 301, the liquid is filtered and settled through the first filter screen 303 and the second filter screen 304, the filtered liquid enters the first water inlet pipe 110 through the swirling flushing pipe 112 and the second booster pump 113, the recycling is realized, and the resources are saved, the production cost of enterprises is reduced.
The working principle is as follows: when the mechanical seal flushing device is used, the bearing 202 and the mechanical seal 204 are driven to rotate by the pump shaft 201, the mechanical seal 204 is sealed by the first sealing plate 203 and the second sealing plate 205, the seal connecting plate 118 is connected with the pump body shell 102 by the first fastening bolt 117, the rubber gasket 119 can effectively prevent dust from entering the inside of the pump body shell 102, liquid enters the inside of the impeller movable cavity 103 through the pump body water inlet pipe 101, the impeller 104 starts to work at the moment, the liquid enters the inside of the second water inlet pipe 110 under the action of the first water inlet pipe 106 and the first booster pump 107, and is finally sprayed out through the flushing nozzle 111, so that flushing and heat dissipation of the mechanical seal 204 are realized, turbid liquid enters the inside of the filtering and settling tank 302 through the backflow funnel 301, and is filtered and settled through the first filter screen 303 and the second filter screen 304, filtered liquid enters the first water inlet pipe 110 through the rotary flushing pipe 112 and the second booster pump 113, the liquid is recycled, resources are saved, the production cost of enterprises is reduced, after the liquid is operated for a period of time, the movable connecting plate 306 is separated from the pump body shell 102 through the second fastening bolt 309 and the nut 310, at the moment, impurities at the bottom inside the filtering and precipitating tank 302 are discharged through the rotary filtering and precipitating tank base 305, the blockage of flushing liquid is effectively prevented, the filtering and precipitating device 3 and the mechanical seal flushing assembly 1 are convenient to assemble, and the disassembling operation is simple.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mechanical seal washing unit, includes mechanical seal washing unit (1), mechanical seal subassembly (2) and filters sediment device (3), its characterized in that: the middle part of the interior of the mechanical seal flushing assembly (1) is fixedly connected with a mechanical seal assembly (2), and the bottom of the mechanical seal assembly (2) is fixedly connected with a filtering and precipitating device (3);
the mechanical seal flushing component (1) comprises a pump body water inlet pipe (101), a pump body shell (102), an impeller movable cavity (103), an impeller (104), an impeller supporting rod (105), a first water inlet pipe (106), a first booster pump (107), a first movable water baffle (108), a first movable plate stopper (109), a second water inlet pipe (110), a flushing nozzle (111), a rotary flushing pipe (112), a second booster pump (113), a second movable water baffle (114), a rubber sealing ring (115), a second movable plate stopper (116), a first fastening bolt (117), a sealing connecting plate (118) and a rubber sealing gasket (119), wherein the pump body shell (102) is fixedly connected to the left side of the pump body water inlet pipe (101), the impeller movable cavity (103) is formed in the right side of the pump body shell (102), and the impeller (104) is movably connected to the inside of the impeller movable cavity (103), the left side of the impeller (104) is movably connected with an impeller supporting rod (105), the left side of the top of the impeller supporting rod (105) is fixedly connected with a first water inlet pipe (106), the outer surface of the first water inlet pipe (106) is fixedly connected with a first booster pump (107), the bottom of the left side of the interior of the first water inlet pipe (106) is hinged with a first movable water baffle (108), the right side of the top of the first movable water baffle (108) is movably connected with a first movable plate stop block (109), the bottom of the first movable water baffle (108) is fixedly connected with a second water inlet pipe (110), the bottom of the second water inlet pipe (110) is fixedly connected with a flushing nozzle (111), the bottom of the right side of the first water inlet pipe (106) is fixedly connected with a rotary flushing pipe (112), and the outer surface of the bottom of the rotary flushing pipe (112), a second movable water baffle (114) is hinged to the top of the interior of the convoluted flushing pipe (112), a rubber sealing ring (115) is fixedly connected to the outer surface of the second movable water baffle (114), a second movable plate stopper (116) is movably connected to the bottom of the left side of the rubber sealing ring (115), a sealing connecting plate (118) is movably connected to the left end of the pump body shell (102), a first fastening bolt (117) is connected to the top of the sealing connecting plate (118) in a threaded manner, and a rubber sealing gasket (119) is fixedly connected to the right side of the sealing connecting plate (118);
the mechanical seal assembly (2) comprises a pump shaft (201), a bearing (202), a first seal plate (203), a mechanical seal (204) and a second seal plate (205), wherein the bearing (202) is fixedly connected to the outer surface of the left side of the pump shaft (201), the first seal plate (203) is fixedly connected to the right side of the bearing (202), the mechanical seal (204) is fixedly connected to the right side of the first seal plate (203), and the second seal plate (205) is fixedly connected to the right side of the mechanical seal (204);
the filtering and precipitating device (3) comprises a backflow funnel (301), a filtering and precipitating tank (302), a first filter screen (303), a second filter screen (304), a filtering and precipitating tank base (305), a movable connecting plate (306), a first connecting block (307), a second connecting block (308), a second fastening bolt (309) and a nut (310), wherein the bottom of the swirling funnel (301) is fixedly connected with the filtering and precipitating tank (302), the inside top of the filtering and precipitating tank (302) is fixedly connected with the first filter screen (303), the bottom of the first filter screen (303) is fixedly connected with the second filter screen (304), the bottom of the second filter screen (304) is fixedly connected with the filtering and precipitating tank base (305), the outer surface of the filtering and precipitating tank base (305) is movably connected with the movable connecting plate (306), and the front top of the movable connecting plate (306) is fixedly connected with the first connecting block (307), the bottom of the first connecting block (307) is movably connected with a second connecting block (308), the inside of the second connecting block (308) is movably connected with a second fastening bolt (309), and the outer surface of the bottom of the second fastening bolt (309) is in threaded connection with a nut (310).
2. A mechanical seal flushing device according to claim 1, characterized in that: the left end of the pump body water inlet pipe (101) is communicated with the impeller movable cavity (103), the left side of the inside of the impeller movable cavity (103) is fixedly connected with an impeller supporting rod (105), the left end of the impeller supporting rod (105) is fixedly connected with a sealing connecting plate, and a mechanical working cavity is formed in the left side of the sealing connecting plate.
3. A mechanical seal flushing device according to claim 1, characterized in that: the right end of the first water inlet pipe (106) is communicated with the impeller movable cavity (103), the outer surface of the first water inlet pipe (106) is fixedly connected with the pump body shell (102), the outer surface of the rotary flushing pipe (112) is fixedly connected with the pump body shell (102), and the right side of the inner part of the left end of the first water inlet pipe (106) is fixedly connected with a first movable plate stop block (109).
4. A mechanical seal flushing device according to claim 1, characterized in that: the bottom of the middle of the pump body shell (102) is fixedly connected with a water inlet pipe connecting rod, the bottom of the water inlet pipe connecting rod is fixedly connected with a second water inlet pipe (110), and two sides of the second water inlet pipe (110) are fixedly connected with a first sealing plate (203) and a second sealing plate (205).
5. A mechanical seal flushing device according to claim 1, characterized in that: the top fixedly connected with washing shower nozzle (111) of mechanical seal piece (204), the quantity of washing shower nozzle (111) is five, and the bottom fixedly connected with return funnel (301) of mechanical seal piece (204), the both sides fixedly connected with first closing plate (203) and second closing plate (205) of return funnel (301).
6. A mechanical seal flushing device according to claim 1, characterized in that: the inside bottom threaded connection of filtering and settling tank (302) has filtering and settling tank base (305), and the rotatory handle of bottom fixedly connected with of filtering and settling tank base (305), the surface swing joint of rotatory handle have swing joint board (306), and the inside middle part lower extreme fixedly connected with second filter screen (304) of filtering and settling tank (302).
7. A mechanical seal flushing device according to claim 1, characterized in that: the right side top of the filtering and settling tank (302) is fixedly connected with a rotary flushing pipe (112), the inside top left side of the rotary flushing pipe (112) is fixedly connected with a second movable plate check block (116), the outer surface of the filtering and settling tank (302) is movably connected with a movable connecting plate (306), the front of the movable connecting plate (306) is fixedly connected with a second connecting block (308), and the right side of the movable connecting plate (306) is movably connected with a pump body shell (102).
8. A mechanical seal flushing device according to claim 1, characterized in that: the pump body shell (102) is fixedly connected to the back face of the first connecting block (307), the threads are fixedly connected to the inside of the first connecting block (307), the second fastening bolt (309) is connected to the threads through the inner threads, the movable connecting plate (306) is movably connected to the bottom of the pump body shell (102), the filtering and precipitating box placing groove is formed in the movable connecting plate (306), and the filtering and precipitating box (302) is movably connected to the inside of the filtering and precipitating box placing groove.
9. A mechanical seal flushing device according to claim 1, characterized in that: the pump body shell (102) has the inside mechanical working chamber of having seted up in the left side, and the inside left side swing joint in mechanical working chamber has rubber packing pad (119), and the right side swing joint of rubber packing pad (119) has bearing (202), and the inside middle part fixedly connected with pump shaft (201) in mechanical working chamber, the right-hand member swing joint of pump shaft (201) has sealing connection board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124069.7A CN112253549A (en) | 2020-10-20 | 2020-10-20 | Mechanical seal flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124069.7A CN112253549A (en) | 2020-10-20 | 2020-10-20 | Mechanical seal flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253549A true CN112253549A (en) | 2021-01-22 |
Family
ID=74244356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011124069.7A Pending CN112253549A (en) | 2020-10-20 | 2020-10-20 | Mechanical seal flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253549A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838004A (en) * | 2022-05-11 | 2022-08-02 | 安徽南方化工泵业有限公司 | Mechanical seal flushing device of centrifugal pump |
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