CN117189685B - Self-circulation water pump mechanical seal cooling device - Google Patents
Self-circulation water pump mechanical seal cooling device Download PDFInfo
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- CN117189685B CN117189685B CN202311156742.9A CN202311156742A CN117189685B CN 117189685 B CN117189685 B CN 117189685B CN 202311156742 A CN202311156742 A CN 202311156742A CN 117189685 B CN117189685 B CN 117189685B
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- 238000001816 cooling Methods 0.000 title claims abstract description 223
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000000110 cooling liquid Substances 0.000 claims abstract description 56
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 60
- 238000004140 cleaning Methods 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The invention is suitable for the cooling field of circulating pumps, and provides a self-circulating water pump mechanical seal cooling device which comprises a cooling chamber, wherein the cooling chamber is connected to the outer side of a middle pipeline of a pump body, one side of the pump body is provided with a driving motor, a driving shaft of the driving motor is in transmission connection with the pump body, the driving shaft penetrates through the cooling chamber, a mechanical seal body is arranged in the cooling chamber, the mechanical seal body is sleeved on the driving shaft, and two side surfaces of the cooling chamber are respectively communicated with a hot water pipe and a cold water pipe. According to the invention, the double-cavity cooling box is adopted to alternately cool the mechanical seal body, so that the cooling effect of the device is better, and the cooling liquid in the cooling cavity which does not work is cooled when the device alternately cools, so that the cooling liquid can be recycled, the energy consumption is reduced, and the resources are saved; the invention is also provided with the filter, and the filter can filter impurities in the cooling liquid, so that the impurities are prevented from entering the cooling pipeline.
Description
Technical Field
The invention belongs to the field of circulating pump cooling, and particularly relates to a self-circulating water pump mechanical seal cooling device.
Background
The water pump is a mechanism for delivering or pressurizing liquid, which transmits mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid, and is mainly used for delivering liquid including water, oil, acid-alkali liquor, emulsion, suspension emulsion, liquid metal and the like, and can also be used for delivering liquid, gas mixture and liquid containing suspended solids. The shaft seal of the water pump usually adopts a mechanical seal, the working temperature of the conventional mechanical seal is generally required to be less than 110 ℃, but when the water pump continuously operates, a large amount of heat can be generated, the mechanical seal is deformed due to high temperature, and the sealing effect of the mechanical seal is reduced. In order to ensure the reliability of the water pump, the mechanical seal of the water pump must be cooled.
The existing cooling mode for the mechanical seal generally adopts a forced cooling mode, namely, the mechanical seal for the pump is flushed by externally connected cooling water, so that the purposes of cooling and lubrication are achieved, and the working environment of the mechanical seal is ensured. However, the forced cooling mode needs a large amount of cooling water, tap water is generally adopted, and the cooling water supply cannot be stopped during working, otherwise, a mechanical seal can be burnt, so that a large amount of water resources are consumed, and the energy consumption is increased; on the other hand, impurities may exist in the conveying medium of the existing circulating water pump, and after the impurities enter the cooling system, the cooling system may be blocked, so that the cooling effect is affected.
To avoid the above-mentioned technical problems, it is necessary to provide a mechanical seal cooling device of a self-circulation water pump to overcome the drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide a self-circulating water pump mechanical seal cooling device, which aims to solve the problems of high energy consumption and easy blockage of a cooling system by impurities.
The invention is realized in this way, a self-circulation water pump mechanical seal cooling device comprises a cooling chamber, the cooling chamber is connected to the outer side of a middle pipeline of a pump body through a fixing bolt, the pump body is one of the components of the self-circulation water pump, one side of the pump body is provided with a driving motor, a driving shaft of the driving motor is in transmission connection with the pump body, the driving shaft penetrates through the cooling chamber, a mechanical seal body is arranged in the cooling chamber, the mechanical seal body is sleeved on the driving shaft, two side surfaces of the cooling chamber are respectively communicated with a hot water pipe and a cold water pipe, and one end of the hot water pipe is connected with a first water pump through a first hose, and the self-circulation water pump cooling device further comprises:
the double-cavity cooling box is characterized in that one side of the double-cavity cooling box is communicated with the first water suction pump through a water inlet pipe, the other side of the double-cavity cooling box is communicated with the cold water pipe through a second hose, the double-cavity cooling box is used for cooling liquid pumped out from the cooling chamber, a heat insulation partition plate is arranged in the double-cavity cooling box and divides the inside of the double-cavity cooling box into two cooling chambers, namely a first cooling chamber and a second cooling chamber, a switching mechanism is arranged in the double-cavity cooling box and is used for switching the chambers communicated with the water inlet pipe and the second hose, and cooling liquid in the other cooling chamber which is not communicated is convenient to cool;
the filter is arranged in the middle of the water inlet pipe and is used for filtering cooling liquid to be introduced into the double-cavity cooling box.
Further technical scheme, the switching mechanism includes two first switch boxes, two the equal fixed connection of first switch box is on the inside wall of dual-chamber cooling tank, and two first switch boxes all runs through thermal-insulated baffle, two first switch boxes respectively with inlet tube and second hose intercommunication, two first liquid hole and second liquid hole have all been seted up to the side of first switch boxes, first liquid hole and second liquid hole are located the both sides of thermal-insulated baffle, two first spout has all been seted up on the first switch boxes, two the inside of first spout is equal sliding connection has first baffle, two first trompil and second trompil have all been seted up to the side of first baffle, only one simultaneously first trompil or second trompil and first liquid hole or second liquid hole intercommunication, namely, when first trompil and first liquid hole intercommunication, second trompil and second liquid hole do not communicate, when second trompil and first liquid hole intercommunication, first trompil and first liquid hole do not just have first baffle, and two cylinder side and two fixed connection have one of them air cylinders to make the side of the cooling connection, the first connecting plate has one of them air cylinder to move with the side, and the fixed connection.
Further technical scheme still includes refrigerating mechanism, refrigerating mechanism includes the second suction pump, second suction pump fixed mounting is on the double-chamber cooling tank, the delivery port of second suction pump has the transfer case through the outlet pipe intercommunication, transfer case fixed connection is on the double-chamber cooling tank, the water inlet intercommunication of second suction pump has first three-way pipe, the both ends of first three-way pipe all communicate there is the suction pipe, two the suction pipe respectively with two cooling chamber intercommunication, the side intercommunication of transfer case has the second three-way pipe, the both ends of second three-way pipe all communicate there is the wet return, two the wet return respectively with two cooling chamber intercommunication, the side of transfer case is provided with the fin, be provided with the fin on the fin, still include:
the two switching components are respectively connected to the inner side walls of the two cooling chambers, the two switching components are respectively communicated with the two water suction pipes and the two water return pipes, at the same time, only the water suction pipes and the water return pipes on the same side are communicated with one cooling chamber through the switching components, the switching components are used for switching the cooling chamber communicated with the second water suction pump, and when one cooling chamber is communicated with the first water suction pump, the switching components in the cooling chamber prevent the second water suction pump from being communicated with the cooling chamber, so that the second water suction pump can extract cooling liquid in the other closed cooling chamber, and cooling liquid in the cooling chamber can be cooled;
the two elastic telescopic rods are respectively connected between the first baffle and the two switching components, and the baffle drives the two switching components to move through the two elastic telescopic rods, so that the switching function of the switching components is realized.
Further technical scheme, switch the subassembly and include two second switch the box, two the second switches the box respectively with the drinking-water pipe and the one end intercommunication of wet return, two the second switches the side of box all offered with the third liquid hole of cooling chamber intercommunication, two the second switches the box on all offered the second spout, two the inside sliding connection of spout has same second baffle, two third trompil with two third liquid hole looks adaptation have been offered on the second baffle, two the third trompil can communicate simultaneously or do not communicate simultaneously with two third liquid holes respectively, the elastic expansion link is connected between second baffle and a first baffle, and when the third trompil on the switch the subassembly and the third liquid hole intercommunication, the third trompil on another switch the subassembly and third liquid hole do not communicate.
Further technical scheme, the elastic telescopic link includes fixed sleeve, fixed sleeve articulates the one end at the second baffle, fixed sleeve's inside grafting has the movable rod, the one end of movable rod is articulated with the one end of first baffle, be connected with reset spring between movable rod and the fixed sleeve.
Further technical scheme still includes two control by temperature change subassembly, two control by temperature change subassembly installs respectively in the both sides of thermal-insulated baffle, control by temperature change subassembly includes the mount pad of fixed connection on thermal-insulated baffle, fixed mounting has bimetallic strip on the mount pad, be provided with first pressure switch on the thermal-insulated baffle, under the normal atmospheric temperature, first pressure switch and bimetallic strip butt, be provided with second pressure switch on the inside wall of dual-chamber cooling tank, after the temperature in the cooling chamber rises, bimetallic strip one end can with second pressure switch butt, control by temperature change subassembly still includes the controller, the controller is installed on dual-chamber cooling tank, first pressure switch, second suction pump, refrigeration piece and cylinder all are connected with the controller electricity, second pressure switch is used for switching on the power of second suction pump and refrigeration piece, first pressure switch is used for cutting off the power of second suction pump and refrigeration piece, one of them second pressure switch is used for controlling the expansion end of cylinder, another pressure switch is used for controlling the expansion end of cylinder and shortens.
Further technical solution, the filter includes:
the filter box is arranged in the middle of the water inlet pipe;
the sealing cover is connected to the top of the filter box through a bolt;
the filter piece is inserted into the filter box, the filter piece comprises a filter plate, an upper sealing plate and a collecting box, the upper sealing plate is fixedly connected to the top of the filter plate, the side face of the upper sealing plate is abutted to the inner side wall of the filter box, the collecting box is fixedly connected to the bottom of the filter plate, and the collecting box is used for collecting impurities falling from the filter plate;
the cleaning mechanism is arranged in the water inlet pipe, the output end of the cleaning mechanism is in contact with the filter plate, and the cleaning mechanism is used for cleaning impurities on the filter plate.
Further technical scheme, clean the mechanism including rotating the swivel becket of connecting in the inlet tube inside, the inside of swivel becket is through connecting rod fixedly connected with dwang, fixedly connected with spiral flood dragon on the dwang, the first mounting panel of one end fixedly connected with of dwang, be provided with a plurality of soft brush hair on the first mounting panel, the brush hair contacts with the surface of filter.
Further technical scheme still includes the brush cleaner, the brush cleaner includes rotates the sleeve, it establishes in the drive shaft to rotate the sleeve cover, rotate telescopic one end and mechanical seal body's side butt, first keyway has been seted up in the drive shaft, the inside of first keyway is provided with the dead key, set up the second keyway with dead key looks adaptation on rotating telescopic inside wall, second keyway and dead key sliding connection, rotate telescopic side fixedly connected with a plurality of dead levers, a plurality of equal fixedly connected with cleans the head on the dead lever, it contacts with the inside wall of cooling chamber to clean the head.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the double-cavity cooling box is adopted to alternately cool the mechanical seal body, so that the cooling effect of the device is better, and the cooling liquid in the cooling cavity which does not work is cooled when the device alternately cools, so that the cooling liquid can be recycled, the energy consumption is reduced, and the resources are saved;
2. the temperature control assembly is adopted to automatically control and switch the working mode of the cooling chamber, so that the device has higher degree of automation and is more convenient to use;
3. when the cooling liquid passes through the filter, impurities in the cooling liquid can be filtered by the filter element, meanwhile, the flowing cooling liquid can drive the spiral dragon to rotate, the spiral dragon drives the rotating rod to rotate, the rotating rod drives the first mounting plate and the bristles to rotate, the bristles clean the surface of the filter plate, the cleaned impurities can be gradually deposited in the collecting box, the filter element is prevented from being blocked, and the impurities are prevented from entering the cooling pipeline;
4. when the self-circulation water pump works, the driving motor drives the pump body to work, the driving shaft drives the rotating sleeve to rotate, the rotating sleeve drives the cleaning head to rotate through the fixing rod, the cleaning head cleans the inner wall of the cooling chamber, meanwhile, the cleaning head can stir cooling liquid, impurities are prevented from precipitating at the bottom of the cooling chamber, the effect that the impurities influence the mechanical seal body is avoided, the impurities flow into the first hose along with the cooling liquid, the impurities are conveniently cleaned, and the service life of the mechanical seal body is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevational cross-sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic top view cross-sectional structure of the dual-cavity cooling box of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4C according to the present invention;
FIG. 7 is a schematic cross-sectional elevation view of a filter of the present invention;
fig. 8 is a schematic perspective view of a filter according to the present invention.
In the accompanying drawings: the cooling chamber 1, the pump body 2, the drive shaft 3, the mechanical seal body 4, the hot water pipe 5, the cold water pipe 6, the first water pump 7, the first hose 8, the dual-chamber cooling tank 9, the water inlet pipe 10, the second hose 11, the heat insulating partition 12, the first cooling chamber 13, the second cooling chamber 14, the switching mechanism 15, the first switching case 151, the first liquid hole 152, the second liquid hole 153, the first baffle 154, the first opening 155, the second opening 156, the connection plate 157, the cylinder 158, the filter 16, the filter tank 161, the seal cover 162, the filter 163, the filter plate 1631, the upper seal plate 1632, the collection case 1633, the cleaning mechanism 164, the rotary ring 1641 the rotating rod 1642, the screw dragon 1643, the first mounting plate 1644, the brush 1645, the refrigerating mechanism 17, the second water suction pump 171, the water outlet pipe 172, the middle rotating box 173, the first three-way pipe 174, the water suction pipe 175, the second three-way pipe 176, the water return pipe 177, the refrigerating sheet 178, the switching assembly 179, the second switching box 1791, the third liquid hole 1792, the second baffle 1793, the third opening 1794, the elastic telescopic rod 1710, the temperature control assembly 18, the mounting seat 181, the bimetallic sheet 182, the first pressure switch 183, the second pressure switch 184, the cleaning brush 19, the rotating sleeve 191, the fixing rod 192, the cleaning head 193 and the fixing key 20.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1-8, the mechanical seal cooling device for the self-circulation water pump provided by the invention comprises a cooling chamber 1, wherein the cooling chamber 1 is connected to the outer side of a middle pipeline of a pump body 2 through a fixing bolt, the pump body 2 is one of components of the self-circulation water pump, one side of the pump body 2 is provided with a driving motor, a driving shaft 3 of the driving motor is in transmission connection with the pump body 2, the driving shaft 3 penetrates through the cooling chamber 1, a mechanical seal body 4 is arranged in the cooling chamber 1, the mechanical seal body 4 is sleeved on the driving shaft 3, two side surfaces of the cooling chamber 1 are respectively communicated with a hot water pipe 5 and a cold water pipe 6, and one end of the hot water pipe 5 is connected with a first water suction pump 7 through a first hose 8, and the mechanical seal cooling device further comprises:
the double-cavity cooling box 9, one side of the double-cavity cooling box 9 is communicated with the first water suction pump 7 through the water inlet pipe 10, the other side of the double-cavity cooling box 9 is communicated with the cold water pipe 6 through the second hose 11, the double-cavity cooling box 9 is used for cooling liquid pumped out from the cooling chamber 1, the inside of the double-cavity cooling box 9 is provided with the heat insulation partition 12, the inside of the double-cavity cooling box 9 is divided into two cooling chambers by the heat insulation partition 12, namely a first cooling chamber 13 and a second cooling chamber 14, a switching mechanism 15 is arranged in the double-cavity cooling box 9, and the switching mechanism 15 is used for switching the chambers communicated with the water inlet pipe 10 and the second hose 11 so as to be convenient for cooling liquid in the other cooling chamber which is not communicated, thereby the mechanical sealing body 4 can be cooled in time, and the cooling effect is better;
the filter 16, the filter 16 sets up at the middle part of inlet tube 10, and filter 16 is used for filtering the coolant liquid that will get into dual-chamber cooling tank 9, avoids impurity (such as incrustation scale) in the coolant liquid to get into dual-chamber cooling tank 9, and then avoids impurity to block up the pipeline.
In the embodiment of the present invention, as shown in fig. 4 to 5, as a preferred embodiment of the present invention, the switching mechanism 15 includes two first switching boxes 151, the two first switching boxes 151 are fixedly connected to the inner side walls of the dual-cavity cooling box 9, the two first switching boxes 151 penetrate through the heat insulation partition plate 12, the two first switching boxes 151 are respectively communicated with the water inlet pipe 10 and the second hose 11, the side surfaces of the two first switching boxes 151 are respectively provided with a first liquid hole 152 and a second liquid hole 153, the first liquid hole 152 and the second liquid hole 153 are positioned at two sides of the heat insulation partition plate 12, the two first switching boxes 151 are respectively provided with a first sliding groove, the interiors of the two first sliding grooves are respectively slidably connected with a first baffle 154, the side surfaces of the two first baffles 154 are respectively provided with a first opening 155 and a second opening 156, only one first opening 155 or second opening 156 is communicated with the first liquid hole 152 or the second liquid hole 153, namely, when the first opening 155 is communicated with the first liquid hole 152, the second opening 156 is not communicated with the second liquid hole 153, when the second opening 156 is communicated with the second liquid hole 153, the first opening 155 is not communicated with the first liquid hole 152, a connecting plate 157 is fixedly connected between the two first baffles 154, the connecting plate 157 enables the two first baffles 154 to synchronously move, and then the water inlet pipe 10 and the second hose 11 are communicated with one cooling chamber, a cylinder 158 is fixedly connected with the side surface of the double-cavity cooling box 9, and the movable end of the cylinder 158 is fixedly connected with the side surface of one of the first baffles 154.
As shown in fig. 4-5, at this time, the first opening 155 is communicated with the first liquid hole 152, the second opening 156 is not communicated with the second liquid hole 153, the first cooling cavity 13 provides cooling liquid, when the temperature of the cooling liquid is too high due to the too high temperature of the mechanical seal body 4, the cylinder 158 is started, the cylinder 158 drives one first baffle 154 to move, the first baffle 154 drives the other first baffle 154 to synchronously move through the connecting plate 157, so that the second opening 156 is communicated with the second liquid hole 153, the first opening 155 is not communicated with the first liquid hole 152, cooling liquid in the water inlet pipe 10 can flow into the second cooling cavity 14 from the second opening 156 and the second liquid hole 153, the cooling liquid in the second cooling cavity 14 can flow into the second hose 11 from the second liquid hole 153 and the second opening 156 at the other side, thereby completing the switching of the cooling cavity, and the cooling liquid after switching can cool the mechanical seal body 4 in an extremely short time, thereby enabling the cooling effect to be better, and simultaneously, the cooling liquid in the first cooling cavity 13 can be cooled in a cooling means and the cooling device can be cooled in a cooling means, and the cooling device can be cooled in a cooling means can be further cooled in a cooling means, and a cooling device can be further cooled in a cooling device, and a cooling device can be cooled in a cooling device.
In the embodiment of the present invention, as shown in fig. 1, 4 and 6, as a preferred embodiment of the present invention, the present invention further includes a refrigeration mechanism 17, where the refrigeration mechanism 17 includes a second water pump 171, the second water pump 171 is fixedly installed on the dual-cavity cooling tank 9, a water outlet of the second water pump 171 is communicated with a middle turn tank 173 through a water outlet pipe 172, the middle turn tank 173 is fixedly connected to the dual-cavity cooling tank 9, a water inlet of the second water pump 171 is communicated with a first three-way pipe 174, two ends of the first three-way pipe 174 are both communicated with water suction pipes 175, two water suction pipes 175 are respectively communicated with two cooling chambers, a side surface of the middle turn tank 173 is communicated with a second three-way pipe 176, two ends of the second three-way pipe 176 are both communicated with a water return pipe 177, two water return pipes 177 are respectively communicated with two cooling chambers, a side surface of the middle turn tank 173 is provided with a heat sink, and the heat sink 178 is provided on the heat sink, and the present invention further includes:
the two switching components 179 are respectively connected to the inner side walls of the two cooling chambers, the two switching components 179 are respectively communicated with the two water suction pipes 175 and the two water return pipes 177, at the same time, only the water suction pipes 175 and the water return pipes 177 on the same side are communicated with one cooling chamber through the switching components 179, the switching components 179 are used for switching the cooling chamber communicated with the second water suction pump 171, and when one cooling chamber is communicated with the first water suction pump 7, the switching components 179 in the cooling chamber prevent the second water suction pump 171 from being communicated with the cooling chamber, so that the second water suction pump 171 can pump cooling liquid in the other closed cooling chamber, and the cooling liquid in the cooling chamber can be cooled;
the two elastic telescopic rods 1710, the two elastic telescopic rods 1710 are respectively connected between one first baffle 154 and the two switching components 179, and the baffle drives the two switching components 179 to move through the two elastic telescopic rods 1710, so that the switching function of the switching components 179 is realized.
In an embodiment of the present invention, as shown in fig. 6, as a preferred embodiment of the present invention, the switching assembly 179 includes two second switching boxes 1791, the two second switching boxes 1791 are respectively connected with one ends of the water pumping pipe 175 and the water return pipe 177, the side surfaces of the two second switching boxes 1791 are respectively provided with a third liquid hole 1792 which is communicated with the cooling chamber, the two second switching boxes 1791 are respectively provided with a second chute, the interior of the two chutes is slidingly connected with the same second baffle 1793, the second baffle 1793 is provided with two third holes 1794 which are matched with the two third liquid holes 1792, the two third holes 1794 can be respectively connected with the two third liquid holes 1792 or not simultaneously connected with each other, the elastic telescopic rod is connected between the second baffle 171710 93 and the first baffle 154, and when the third holes 1794 on one switching assembly 179 are connected with the third liquid holes 1792, the third holes 1794 on the other switching assembly 179 are not connected with the third liquid holes 1792.
By means of the elastic telescopic rod 1710, the second baffle 1793 can move along with the movement of the first baffle 154, so that the switching assembly 179 can automatically complete switching, which is more convenient.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, the elastic telescopic rod 1710 includes a fixed sleeve, the fixed sleeve is hinged at one end of the second baffle 1793, a movable rod is inserted into the fixed sleeve, one end of the movable rod is hinged with one end of the first baffle 154, and a return spring is connected between the movable rod and the fixed sleeve.
When the first baffle plate 154 moves, the first baffle plate 154 drives the movable rod to move, the movable rod drives the reset spring to move, the reset spring drives the fixed sleeve to move, and the fixed sleeve drives the second baffle plate 1793 to move, so that the third opening 1794 and the third liquid hole 1792 are communicated or not communicated, and the reset spring avoids interference generated between the first baffle plate 154 and the second baffle plate 1793.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, two temperature control assemblies 18 are further included, where the two temperature control assemblies 18 are respectively installed on two sides of the heat insulation partition 12, the temperature control assemblies 18 include an installation seat 181 fixedly connected to the heat insulation partition 12, a bimetal 182 is fixedly installed on the installation seat 181, a first pressure switch 183 is disposed on the heat insulation partition 12, at normal temperature, the first pressure switch 183 is abutted to the bimetal 182, a second pressure switch 184 is disposed on an inner side wall of the dual-cavity cooling box 9, after the temperature in the cooling cavity increases, one end of the bimetal 182 can be abutted to the second pressure switch 184, the temperature control assembly 18 further includes a controller, the controller is installed on the dual-cavity cooling box 9, the first pressure switch 183, the second pressure switch 184, the second suction pump 171, the refrigerating plate 178 and the cylinder 158 are all electrically connected to the controller, the second pressure switch 184 is used for switching on the second suction pump 171 and switching off the second pressure switch 184, and the second pressure switch 184 is used for controlling one of the refrigerating ends 158 and the other cylinder 158 is used for controlling the other ends of the refrigerating cylinders 158.
When the temperature control assembly 18 works, after the temperature of cooling liquid in one cooling cavity is too high, the bimetallic strip 182 in the cooling cavity is heated and bent, the bimetallic strip 182 extrudes the second pressure switch 184, the second pressure switch 184 is connected with the air cylinder 158, the second water pump 171 and the power supply of the refrigerating strip 178, the air cylinder 158 drives the first baffle 154 to move, the first water pump 7 is communicated with the other cooling cavity, meanwhile, the cooling cavity is communicated with the second water pump 171, the second water pump 171 extracts cooling liquid in the cooling cavity through the water suction pipe 175 and conveys the cooling liquid into the transfer box 173, the refrigerating strip 178 cools the cooling liquid, and the cooled cooling liquid is conveyed back into the cooling cavity through the water return pipe 177, so that circulation is formed, cooling liquid can be cooled rapidly, after the temperature of the cooling liquid in the cooling cavity is reduced, at this moment, the bimetallic strip 182 extrudes the first pressure switch 183, and then cuts off the power supply of the second water pump 171 and the refrigerating strip 178, and saves electric energy, meanwhile, the cooling liquid in the cooling cavity is reserved for standby cooling liquid, when the temperature in the other cooling cavity is kept in the other cooling cavity, the cooling cavity is cooled by the cooling liquid in the other cavity is cooled by the water return pipe 177, the cooling effect is completely and the cooling cavity is completely and the full-automatic cooling assembly can be realized, and the manual temperature control process is realized, and the cooling process is easy and automatic, and the cooling process can be realized.
In an embodiment of the present invention, as shown in fig. 7-8, the filter 16 includes, as a preferred embodiment of the present invention:
a filter box 161, the filter box 161 being disposed at the middle of the water inlet pipe 10;
a sealing cover 162, wherein the sealing cover 162 is connected to the top of the filter box 161 through a bolt;
the filtering piece 163, the filtering piece 163 is inserted into the filtering box 161, the filtering piece 163 includes a filtering plate 1631, an upper sealing plate 1632 and a collecting box 1633, the upper sealing plate 1632 is fixedly connected to the top of the filtering plate 1631, the side surface of the upper sealing plate 1632 is abutted to the inner side wall of the filtering box 161, so that cooling liquid is prevented from entering the double-cavity cooling box 9 beyond the filtering plate 1631, the collecting box 1633 is fixedly connected to the bottom of the filtering plate 1631, and the collecting box 1633 is used for collecting impurities falling from the filtering plate 1631;
the cleaning mechanism 164, the cleaning mechanism 164 is installed in the water inlet pipe 10, the output end of the cleaning mechanism 164 contacts with the filter 1631, and the cleaning mechanism 164 is used for cleaning impurities on the filter 1631, so as to avoid the filter 1631 from being blocked.
In the embodiment of the present invention, as shown in fig. 7, as a preferred embodiment of the present invention, the cleaning mechanism 164 includes a rotating ring 1641 rotatably connected to the inside of the water inlet pipe 10, the inside of the rotating ring 1641 is fixedly connected to a rotating rod 1642 through a connecting rod, a spiral dragon 1643 is fixedly connected to the rotating rod 1642, one end of the rotating rod 1642 is fixedly connected to a first mounting plate 1644, a plurality of soft bristles 1645 are provided on the first mounting plate 1644, and the bristles 1645 contact with the surface of the filter plate 1631.
When the coolant liquid flows in inlet tube 10, the coolant liquid can drive spiral flood dragon 1643 and rotate, and spiral flood dragon 1643 drives dwang 1642 and rotates, and dwang 1642 drives first mounting panel 1644 and brush hair 1645 and rotates, and brush hair 1645 cleans filter 1631 surface, and the impurity that cleans down can deposit in collecting box 1633 gradually, and when the staff cleared up filter 16, the staff can open sealed lid 162, takes out filter 163, and soft brush hair 1645 can not block filter 163 and take out, can clear up impurity in the collecting box 1633 and the impurity on the filter 1631.
In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the cleaning brush 19 further includes a rotating sleeve 191, the rotating sleeve 191 is sleeved on the driving shaft 3, one end of the rotating sleeve 191 abuts against a side surface of the mechanical seal body 4, a first key slot is formed in the driving shaft 3, a fixed key 20 is formed in the first key slot, a second key slot matched with the fixed key 20 is formed in an inner side wall of the rotating sleeve 191, the second key slot is slidably connected with the fixed key 20, a plurality of fixed rods 192 are fixedly connected to a side surface of the rotating sleeve 191, cleaning heads 193 are fixedly connected to the fixed rods 192, and the cleaning heads 193 contact with an inner side wall of the cooling chamber 1.
When the mechanical seal device is used, the first water suction pump 7 is started, the first water suction pump 7 pumps cooling liquid in the cooling chamber 1 through the first hose 8 and conveys the cooling liquid into the double-cavity cooling box 9 through the water inlet pipe 10, then the cooling liquid in the double-cavity cooling box 9 is conveyed into the cooling chamber 1 through the second hose 11, and the cooling liquid cools the mechanical seal body 4; when the cooling liquid passes through the filter 16, impurities in the cooling liquid can be filtered by the filter 163, meanwhile, the flowing cooling liquid can drive the spiral dragon 1643 to rotate, the spiral dragon 1643 drives the rotating rod 1642 to rotate, the rotating rod 1642 drives the first mounting plate 1644 and the bristles 1645 to rotate, the bristles 1645 clean the surface of the filter plate 1631, the cleaned impurities can be gradually deposited in the collecting box 1633, the filter 163 is prevented from being blocked, and the impurities are prevented from entering a cooling pipeline; when the temperature of the cooling liquid in one cooling cavity in the double-cavity cooling box 9 is too high, the bimetallic strip 182 in the cooling cavity is heated and bent, the bimetallic strip 182 extrudes the second pressure switch 184, the second pressure switch 184 is connected with the power supply of the air cylinder 158, the second water pump 171 and the refrigerating strip 178, the air cylinder 158 drives the first baffle 154 to move, the first baffle 154 seals the cooling cavity, meanwhile, the first water pump 7 is communicated with the other cooling cavity, the cooling cavity is communicated with the second water pump 171, the other cooling cavity is not communicated with the second water pump 171, the second water pump 171 extracts the cooling liquid in the cooling cavity through the water suction pipe 175 and conveys the cooling liquid into the transfer box 173, the refrigerating strip 178 cools the cooling liquid, and the cooled cooling liquid is conveyed back into the cooling cavity through the water return pipe 177, so that circulation is formed, the cooling liquid in the cooling cavity can be cooled rapidly, when the temperature of the cooling liquid in the cooling cavity is reduced, the bimetallic strip 182 extrudes the first pressure switch 183, the cooling liquid is further cut off the second water pump 171, and simultaneously, the cooling liquid in the cooling cavity is more than the cooling cavity is saved, and the cooling cavity is better in the cooling cavity is cooled by the cooling body, and the cooling effect of the cooling cavity is better, and the cooling cavity is saved by the cooling cavity is replaced by the cooling cavity 4, and the cooling cavity is simultaneously, and the cooling cavity is better cooled by the cooling cavity is cooled by the cooling cavity, and the cooling cavity is cooled by the cooling cavity 4; when the self-circulation water pump works, the driving motor drives the pump body 2 to work, the driving shaft 3 drives the rotating sleeve 191 to rotate, the rotating sleeve 191 drives the cleaning head 193 to rotate through the fixing rod 192, the cleaning head 193 cleans the inner wall of the cooling chamber 1, meanwhile, the cleaning head 193 can stir cooling liquid, impurities are prevented from precipitating at the bottom of the cooling chamber 1, the effect that the impurities influence the mechanical seal body 4 is avoided, the impurities flow into the first hose 8 along with the cooling liquid, the impurities are conveniently cleaned, and the service life of the mechanical seal body 4 is prolonged.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a self-circulation water pump mechanical seal cooling device, includes the cooling chamber, its characterized in that, the cooling chamber is connected in the middle part pipeline outside of the pump body, one side of the pump body is provided with driving motor, driving motor's drive shaft is connected with the pump body transmission, the drive shaft runs through the cooling chamber, the inside of cooling chamber is provided with the mechanical seal body, the mechanical seal body cover is established in the drive shaft, the both sides face of cooling chamber communicates respectively has hot-water line and cold-water line, the one end of hot-water line is connected with first suction pump through first hose, still includes:
the double-cavity cooling box is characterized in that one side of the double-cavity cooling box is communicated with the first water suction pump through a water inlet pipe, the other side of the double-cavity cooling box is communicated with the cold water pipe through a second hose, the double-cavity cooling box is used for cooling liquid pumped out from the cooling chamber, a heat insulation partition plate is arranged inside the double-cavity cooling box and divides the inside of the double-cavity cooling box into two cooling chambers, a switching mechanism is arranged inside the double-cavity cooling box and is used for switching the chambers communicated with the water inlet pipe and the second hose, the switching mechanism comprises two first switching boxes, the two first switching boxes are fixedly connected to the inner side wall of the double-cavity cooling box, the two first switching boxes penetrate through heat insulation partition plates, the two first switching boxes are respectively communicated with the water inlet pipe and the second hose, first liquid holes and the second liquid holes are formed in the side faces of the first switching boxes, the two liquid holes and the two second liquid holes are respectively formed in the two sides of the double-cavity cooling box, and when the two first switching boxes are provided with the first sliding holes and the second sliding holes, the first sliding holes are formed in the first side faces of the first switching boxes and the second sliding holes are not communicated with the first sliding holes and the second sliding holes are formed in the first side faces of the first switching boxes, and the first sliding boxes are fixedly communicated with the first sliding holes and the second sliding holes are communicated with the second sliding holes and the second sliding holes are formed in the side faces, and the side faces of the first side baffle is fixedly connected with the side connecting plate;
the filter is arranged in the middle of the water inlet pipe and is used for filtering the cooling liquid entering the double-cavity cooling box;
the refrigerating mechanism, refrigerating mechanism includes the second suction pump, second suction pump fixed mounting is on two-chamber cooling tank, there is the transfer case delivery port of second suction pump through the outlet pipe intercommunication, transfer case fixed connection is on two-chamber cooling tank, the water inlet intercommunication of second suction pump has first three-way pipe, the both ends of first three-way pipe all communicate there is the suction pipe, two the suction pipe respectively with two cooling chamber intercommunication, the side intercommunication of transfer case has the second three-way pipe, the both ends of second three-way pipe all communicate there is the wet return, two the wet return communicates with two cooling chamber respectively, the side of transfer case is provided with the refrigeration piece, still includes:
the two switching components are respectively connected to the inner side walls of the two cooling chambers, the two switching components are respectively communicated with the two water suction pipes and the two water return pipes, at the same time, only the water suction pipes and the water return pipes on the same side are communicated with one cooling chamber through the switching components, the switching components are used for switching the cooling chambers communicated with the second water suction pump, and when one cooling chamber is communicated with the first water suction pump, the switching components in the cooling chambers prevent the second water suction pump from being communicated with the cooling chambers;
the two elastic telescopic rods are respectively connected between a first baffle plate and the two switching components, and the baffle plate drives the two switching components to move through the two elastic telescopic rods;
the switching assembly comprises two second switching boxes, the two second switching boxes are respectively communicated with the water pumping pipe and one end of the water return pipe, the two third liquid holes communicated with the cooling cavity are formed in the side faces of the second switching boxes, the two second sliding grooves are formed in the second switching boxes, the same second baffle is connected with the inner portion of each sliding groove in a sliding mode, two third holes matched with the third liquid holes are formed in the second baffle, the two third holes can be respectively communicated with the two third liquid holes at the same time or are not communicated with the two third liquid holes at the same time, the elastic telescopic rod is connected between the second baffle and one first baffle, and when the third hole in one switching assembly is communicated with the third liquid hole, the third hole in the other switching assembly is not communicated with the third liquid hole.
2. The self-circulating water pump mechanical seal cooling device according to claim 1, wherein the elastic telescopic rod comprises a fixed sleeve, the fixed sleeve is hinged at one end of the second baffle, a movable rod is inserted into the fixed sleeve, one end of the movable rod is hinged with one end of the first baffle, and a reset spring is connected between the movable rod and the fixed sleeve.
3. The self-circulation water pump mechanical seal cooling device according to claim 1, further comprising two temperature control components, wherein the two temperature control components are respectively arranged on two sides of the heat insulation partition board, the temperature control components comprise mounting seats fixedly connected to the heat insulation partition board, bimetallic strips are fixedly arranged on the mounting seats, first pressure switches are arranged on the heat insulation partition board and are abutted to the bimetallic strips at normal temperature, second pressure switches are arranged on the inner side walls of the double-cavity cooling box, one end of each bimetallic strip can be abutted to the second pressure switch after the temperature in the cooling cavity rises, the temperature control components further comprise a controller, the controller is arranged on the double-cavity cooling box, the first pressure switches, the second water pumps, the refrigerating strips and the air cylinders are all electrically connected with the controller, the second pressure switches are used for switching on the power supply of the second water pumps and the refrigerating strips, the first pressure switches are used for switching off the power supply of the second water pumps and the refrigerating strips, one end of each second pressure switch is used for controlling the second movable end of each second pressure switch to be used for controlling the second movable end of each air cylinder to be shortened.
4. The self-circulating water pump mechanical seal cooling apparatus of claim 1 wherein the filter comprises:
the filter box is arranged in the middle of the water inlet pipe;
the sealing cover is detachably connected to the top of the filter box;
the filter piece is inserted into the filter box, the filter piece comprises a filter plate, an upper sealing plate and a collecting box, the upper sealing plate is fixedly connected to the top of the filter plate, the side face of the upper sealing plate is abutted to the inner side wall of the filter box, and the collecting box is fixedly connected to the bottom of the filter plate;
the cleaning mechanism is arranged in the water inlet pipe, the output end of the cleaning mechanism is in contact with the filter plate, and the cleaning mechanism is used for cleaning impurities on the filter plate.
5. The self-circulating water pump mechanical seal cooling device according to claim 4, wherein the cleaning mechanism comprises a rotating ring which is rotatably connected inside a water inlet pipe, a rotating rod is fixedly connected inside the rotating ring through a connecting rod, a spiral dragon is fixedly connected to the rotating rod, one end of the rotating rod is fixedly connected with a first mounting plate, a plurality of soft bristles are arranged on the first mounting plate, and the bristles are in contact with the surface of the filter plate.
6. The self-circulating water pump mechanical seal cooling device according to claim 1, further comprising a cleaning brush, wherein the cleaning brush comprises a rotating sleeve, the rotating sleeve is sleeved on the driving shaft, a plurality of fixing rods are fixedly connected to the side face of the rotating sleeve, cleaning heads are fixedly connected to the fixing rods, and the cleaning heads are in contact with the inner side wall of the cooling chamber.
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| CN202311156742.9A CN117189685B (en) | 2023-09-08 | 2023-09-08 | Self-circulation water pump mechanical seal cooling device |
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| CN202311156742.9A CN117189685B (en) | 2023-09-08 | 2023-09-08 | Self-circulation water pump mechanical seal cooling device |
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| CN117189685B true CN117189685B (en) | 2024-03-29 |
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| CN117189685A (en) | 2023-12-08 |
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