CN108525623A - A kind of cooling device of chemical reaction kettle - Google Patents
A kind of cooling device of chemical reaction kettle Download PDFInfo
- Publication number
- CN108525623A CN108525623A CN201810454164.XA CN201810454164A CN108525623A CN 108525623 A CN108525623 A CN 108525623A CN 201810454164 A CN201810454164 A CN 201810454164A CN 108525623 A CN108525623 A CN 108525623A
- Authority
- CN
- China
- Prior art keywords
- water
- auxiliary
- spray
- cooling
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a kind of cooling devices of chemical reaction kettle, it is related to reaction kettle field, including integrated heat dissipation tank, radiator, warehouse, cooling frame kerve, cooling frame upper cover, cooling frame, control panel, refrigerating device inside and cohesion device, the one heat dissipation tank is equipped with radiator, integrated heat dissipation tank is internally provided with temperature sensor, the warehouse becomes up-down structure with control panel group, the warehouse is inlaid in control panel on integrated heat dissipation tank respectively, the present invention injects water into the gravity in water filling fixed cylinder by water and realizes drive operation, water is rationally utilized;Water, which is evacuated in water pumping cylinder, carries out spraying cooling, realizes the comprehensive cooling of shaft, good cooling results;Then the water after spray is evacuated in water cycle water storage frame and is re-injected in water filling fixed cylinder, realize water circulation use, water resource effectively is saved, can be held tightly and unclamped at any time according to the temperature of cooling frame by cohesion device, reaction temperature is made to be carried out under optimum temperature.
Description
Technical field
The present invention is a kind of cooling device of chemical reaction kettle, belongs to reaction kettle field.
Background technology
Since various chemical changes of chemical enginnering process are needed premised on participating in being sufficiently mixed of medium of reaction
Using stirring operation, better effect could be obtained, reaction kettle is a kind of mixing in production process, anti-
It should wait in the pressure vessels for the chemical industry of one, it is widely used in the industries such as chemical industry, food, medicine, resins synthesis.Existing reaction kettle is logical
Include often reactor tank body, agitating shaft and stirring blade, agitating shaft is located in reaction kettle, and coaxially connected with reactor tank body,
Stirring blade Spiral distribution is on agitating shaft.Each solvent of the inside is mixed by agitating shaft, then again to reaction kettle into
Trip temperature controls, if reactor temperature is excessively high, it will there are security risks.
Prior art construction is more complicated, and cooling effect can not effectively save the energy nor highly desirable.The content of present invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of cooling device of chemical reaction kettle, with solution
Certainly structure is more complicated, and cooling effect without rational utilization of water resources, can not effectively save asking for the energy nor highly desirable
Topic.
To achieve the goals above, the present invention is to realize by the following technical solutions:Its structure includes that one radiates
Case, radiator, warehouse, cooling frame kerve, cooling frame upper cover, cooling frame, control panel, refrigerating device inside and cohesion device,
The one heat dissipation tank is equipped with radiator, and integrated heat dissipation tank is internally provided with temperature sensor, the temperature sensor with embrace
Tight device is electrically connected, and the warehouse becomes up-down structure with control panel group, and the warehouse is inlaid in respectively with control panel
On integrated heat dissipation tank,
The cooling frame is U-shaped structure, and the cooling frame is connected with integrated heat dissipation tank, the two being integrally formed of group knot
Structure, the cooling frame upper cover are nested in the upper end of cooling frame, and the cooling frame kerve is installed in the bottom of cooling frame, the cooling
Frame kerve, cooling frame upper cover, cooling frame composition are integrated, and the refrigerating device inside is mounted on inside cooling frame, institute
Refrigerating device inside is stated by one water filling device, spray transmission mechanism, spray water plug, water filling transmission mechanism, spray auxiliary
Mechanism, two auxiliary bodies of spray, three auxiliary bodies of spray, four auxiliary bodies of spray, water circle device, spraying cooling storehouse
Composition;
The water filling device is fixedly connected with water filling transmission mechanism, and the spray transmission mechanism connects with spray water plug axis
It connects, is fixedly connected inside one end of the cohesion device and cooling frame, the other end of cohesion device is socketed in spray transmission mechanism
On, the spray transmission mechanism is connected with water filling transmission mechanism, and one auxiliary body of the spray water plug and spray connects
It connects, two auxiliary bodies of the water filling transmission mechanism and spray are connect by bracing wire, one auxiliary body lower surface of the spray
Two auxiliary bodies of spray are welded with, one auxiliary body's lower surface locking of the spray there are three auxiliary bodies of spray, described
It is adjacent with three auxiliary bodies of spray to spray two auxiliary bodies, described one auxiliary body of spray and four auxiliary bodies of spray
It is sequentially connected, described three auxiliary bodies of spray and four auxiliary body's vertical weldings of spray, four auxiliary bodies of the spray
It is connected with water circle device, the spray water plug is mutually communicated with water circle device by spraying cooling storehouse, the spray
It is adjacent with cooling frame upper cover to drench water plug, the water circle device is adjacent with cooling frame kerve.
Further, the water filling device includes water filling fixed cylinder, injects sliding cylinder, T columns, adjustable spring, frame column, described
Water filling fixed cylinder is slidably connected with injection sliding cylinder, and the injection sliding cylinder and T column vertical connections, the T columns pass through with frame column
Adjustable spring elastic connection, the T columns run through frame column, and the spray transmission mechanism includes spray motor turntable, spray asessory shaft
Bar, spray auxiliary connecting rod, the spray motor turntable are in concentric circles, the axis of the spray auxiliary shaft with spray auxiliary shaft
Bar is connect with the axis hole of spray auxiliary connecting rod, and the spray auxiliary connecting rod is slidably connected with spray water plug.
Further, the spray water plug include draw water shaft, the balladeur train that draws water, fixed link of drawing water, water pumping cylinder, draw water
Reciprocating lever, the shaft that draws water are flexibly connected with the balladeur train that draws water, and the balladeur train that draws water, which is slidably connected at, to draw water in fixed link, described
One end of the separate shaft that draws water of the reciprocating lever that draws water is located at the tube inner chamber that draws water, and the balladeur train that draws water is tethered with the reciprocating lever that draws water by axis
It connects.
Further, the water filling transmission mechanism include compression movable frame, compressed spring, cross push rod, water filling power device,
Swing rod, swing rod adjustable spring, weldment are installed with compressed spring inside the compression movable frame, and the compressed spring is pushed away with cross
Bar is contacted through compression movable frame and by high temperature conjunction, the cross push rod with swing link transmission, and the swing rod is flexible with swing rod
Spring is welded to each other, and the described one end of swing rod adjustable spring far from swing rod is connected to the medial surface of weldment, and the weldment is L-shaped knot
Structure, the weldment and swing rod axis connection.
Further, one auxiliary body of the spray include U framves, take over, take over pillar, pillar balladeur train, auxiliary sliding sash,
One auxiliary slide bar, sliding sash mast, the U framves are equipped with pillar balladeur train, sliding sash mast, the draw runner and pillar of the take over pillar
The sliding rail of balladeur train connects, described to take over and take over pillar vertical connection, the one end of an auxiliary slide bar far from sliding sash mast
With take over pillar vertical welding, one end axis connection of the auxiliary slide bar far from take over pillar is spraying four auxiliary bodies
On, auxiliary slide bar bottom is fixed on sliding sash mast slot position, and the sliding sash mast that is fixed on is T-shaped structure, and described one
It is located at auxiliary sliding sash inner cavity in the middle part of portion's auxiliary slide bar.
Further, described two auxiliary bodies of spray include two auxiliary slide bars, two auxiliary axillares, two auxiliary hangings
Cylinder, two auxiliary push-rods, two secondary springs, two auxiliary snapping devices, two asessory shaft board bottoms end is slidably connected at two
Portion assists the sliding slot of slide bar, two auxiliary axillare upper ends to connect with the one end of two auxiliary push-rods far from two auxiliary snapping devices
Connect, two auxiliary hanging cylinders and two auxiliary push-rods by two secondary spring elastic connections, two auxiliary push-rods with
Two auxiliary snapping device driving contacts.
Further, three auxiliary bodies of the spray include chain trochus, chain, pendant block, the sprocket of the chain trochus with
The chain hole of chain connects, and the chain passes through high temperature conjunction, four auxiliary body's vertical weldings of the pendant block and spray with pendant block.
Further, four auxiliary bodies of the spray include small size shaft, four connecting rods, saddle, large size driving wheel,
Driving belt, four tooth plates, water power-cycled connector, four transmission gears, the trumpet shaft and four connecting rod axis connections,
The two is in concentric circles, and the shaft of four connecting rods is connect with the axis hole of large size driving wheel, and the saddle is driven with large size
Wheel welding, the large size driving wheel are rotatablely connected with four transmission gears by driving belt, four tooth plates and four biographies
Moving gear transmission engagement, four tooth plates are connect with water power-cycled connector by bracing wire.
Further, the water circle device includes water circulation motor chain drum, water circulatory assit chain, is auxiliarily fixed back and forth
Bar, water circulatory assit shaft, water circulatory assit draw water bar, water circulatory assit spring, the frame auxiliary pole that draws water, water cycle water storage
Frame, drive link assist slider, the sprocket of the water circulation motor chain drum to be connect with water circulatory assit chain chain hole, and the water follows
Ring auxiliary chain and water circulatory assit spring by high temperature conjunction, the water circulation motor chain drum at water circulatory assit shaft
In concentric circles, the water circulatory assit shaft and water the circulatory assit bar that draws water are flexibly connected by water circulation motor chain drum, described
Water circulatory assit spring and draw water frame auxiliary pole snapping, the drive link auxiliary slider slidably connect be auxiliarily fixed it is past
Compound lever, water circulatory assit draw water bar, draw water frame auxiliary pole, it is described reciprocating lever is auxiliarily fixed, the water circulatory assit bar that draws water it is separate
One end of water circulation motor chain drum is slidably connected the inner cavity of water cycle water storage frame, and water cycle water storage frame is equipped with interlayer.
Further, the cohesion device includes motor, rotating bar, lead screw and hold-fast ring, and the motor passes through supporting rod
It is fixed on the inside of cooling frame, motor is electrically connected with temperature sensor and limit switch, the output shaft and master bevel gear of motor
Key connection, one end of the rotating bar are keyed with first from bevel gear, and the other end of rotating bar and second connects from bevel gear key
Connect, the master bevel gear is engaged with first from bevel gear, and one end of the lead screw is keyed with third from bevel gear, lead screw it is another
One end is bolted with limit switch, and described second engages with third from bevel gear from bevel gear, and the hold-fast ring is symmetrically arranged at
Spray the left and right sides of motor turntable, the upper and lower ends of hold-fast ring are fixedly connected with holding fixed link, the lead screw with it is opposite
It holds fixed link tightly to be threadedly coupled, the recessed inner face of hold-fast ring is connected with brake sheet rubber.
Advantageous effect
A kind of cooling device of chemical reaction kettle of the present invention, cooling device are mounted on carbide furnace periphery, on the control panel
The cooling value of setting, water is poured into water filling fixed cylinder, and water is taken advantage of a situation in inflow injection sliding cylinder, and injection sliding cylinder is by under gravity
Sliding, injection sliding cylinder, which has driven, has pushed away cross push rod under T columns, cross push rod tilts swing rod, and the inclination of swing rod has pulled water filling
Power device starts the operation of spray transmission mechanism, and the inclination of swing rod has also pulled two auxiliary axillares, two asessory shaft strips
Two auxiliary push-rods are moved by two auxiliary snapping device movements, then realize that two separation for assisting snapping devices and falling block, pendant block are lost
Fixation is gone to realize that raising and lowering, the pendant block of decline drive four driving cogs under the action of four tooth plates under gravity
The rotation of wheel and large size driving wheel, while four tooth plates start the power supply of water power-cycled connector;At the same time, large size passes
Driving wheel pushes an auxiliary slide bar under the action of small size shaft and four connecting rods, and an auxiliary slide bar has driven take over pillar
Movement will take over toward injection sliding cylinder at move, that is, realize take over will inject sliding cylinder water filling port perforation, glide simultaneously
Injection sliding cylinder with it is mobile take over realization and coincide fix;The shaft cooperation of drawing water of the spray motor driven by rotary disc of operation is drawn water
Balladeur train is realized to move back and forth and the water injected in sliding cylinder is evacuated in spraying cooling storehouse, that is, realizes spraying cooling;Water cycle electricity
Source connector starts the operation of water circulation motor chain drum, and water circulation motor chain drum rotate while by water circulatory assit bullet
The limitation of spring device, degree of realizing reciprocating rotation have driven the water circulatory assit bar that draws water that will spray the water that sprays out of water plug
It extracts, the water connection outer water tube after extraction, which reinjects, realizes water circulation use in water filling fixed cylinder, tested in temperature sensor
When reaching setting value to the temperature in cooling frame, the hold-fast ring in cohesion device, which holds spray motor turntable tightly, makes device that can not rotate,
If hold-fast ring unclamps when the temperature in cooling frame is more than setting value, makes spray motor turntable normal rotation, make reaction kettle in this way
Interior reaction temperature, which is maintained under optimum temperature, reacts, effectively save resource and reaction time.
The present invention injects water into the gravity in water filling fixed cylinder by water and realizes drive operation, and water is rationally utilized;Water is taken out
Spraying cooling is carried out in water pumping cylinder, realizes the comprehensive cooling of shaft, good cooling results;Then the water after spray is evacuated to water
It is re-injected in water filling fixed cylinder in cycle water storage frame, realizes water circulation use, water resource is effectively saved, in temperature sensor
When the temperature tested in cooling frame reaches setting value, the hold-fast ring in cohesion device, which holds spray motor turntable tightly, makes it that can not turn
It is dynamic, if hold-fast ring unclamps when the temperature in cooling frame is more than setting value, makes spray motor turntable normal rotation, make reaction in this way
Reaction temperature in kettle, which is maintained under optimum temperature, reacts, effectively save resource and reaction time.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the cooling device of chemical reaction kettle;
Fig. 2 is the structural schematic diagram one of refrigerating device inside in Fig. 1;
Fig. 3 is the structural schematic diagram two of refrigerating device inside in Fig. 1;
Fig. 4 is the structural schematic diagram of cohesion device in Fig. 1.
Wherein, integrated heat dissipation tank -1, radiator -2, warehouse -3, cooling frame kerve -4, cooling frame upper cover -5, cooling frame -6,
Control panel -7, refrigerating device inside -8, water filling device -80, spray transmission mechanism -81, spray water plug -82, water filling pass
Motivation structure -83, one auxiliary body -84 of spray, two auxiliary bodies -85 of spray, three auxiliary bodies -86 of spray, spray four
Auxiliary body of portion -87, water circle device -88, spraying cooling storehouse -89, cohesion device -90, water filling fixed cylinder -800, injection sliding
Cylinder -801, T columns -802, adjustable spring -803, frame column -804, spray motor turntable -810, spray auxiliary shaft -811, spray are auxiliary
Help that connecting rod -812, the shaft -820 that draws water, the balladeur train -821 that draws water, fixed link -822 of drawing water, water pumping cylinder -823, draw water reciprocating lever -
824, it is flexible to compress movable frame -830, compressed spring -831, cross push rod -832, water filling power device -833, swing rod -834, swing rod
Spring -835, U framves -840, takes over -841, take over pillar -842, pillar balladeur train -843, auxiliary sliding sash -844, one at weldment -836
Portion assists slide bar -845, the auxiliary slide bar -850, two of sliding sash mast -846, two auxiliary axillare -851, two auxiliary hanging cylinders -
852, two auxiliary push-rods -853, two secondary springs -854, two auxiliary snapping devices -855, chain trochus -860, chain -861,
Fall block -862, small size shaft -870, four connecting rods -871, saddle -872, large size driving wheel -873, driving belt -874, four
Portion's tooth plate -875, -876, four transmission gears -877 of water power-cycled connector, water circulation motor chain drum -880, water cycle are auxiliary
Help chain -881, be auxiliarily fixed reciprocating lever -882, water circulatory assit shaft -883, water circulatory assit draw water bar -884, water cycle
Secondary spring device -885, the frame auxiliary pole -886 that draws water, water cycle water storage frame -887, drive link auxiliary slider -888,900-
Motor, 901- master bevel gears, 902- first from bevel gear, 903- rotating bars, 904- second from bevel gear, 905- thirds from cone tooth
Wheel, 906- lead screws, 907- limit switches, 908- hold-fast rings, 909- hold fixed link tightly.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Embodiment:
- Fig. 4 is please referred to Fig.1, the present invention provides a kind of cooling device of chemical reaction kettle:Its structure includes integrated heat dissipation tank
1, radiator 2, warehouse 3, cooling frame kerve 4, cooling frame upper cover 5, cooling frame 6, control panel 7, refrigerating device inside 8 and holding
Device 90, the one heat dissipation tank 1 are equipped with radiator 2, and integrated heat dissipation tank 1 is internally provided with temperature sensor, the temperature
Sensor is electrically connected with cohesion device 90, and the warehouse 3 becomes up-down structure, the warehouse 3 and control for 7 groups with control panel
Panel 7 is inlaid in respectively on integrated heat dissipation tank 1, and the cooling frame 6 is U-shaped structure, the cooling frame 6 and 1 phase of integrated heat dissipation tank
Connection, the two composition are integrated, and the cooling frame upper cover 5 is nested in the upper end of cooling frame 6, the cooling frame kerve 4
It is installed in the bottom of cooling frame 6, the cooling frame kerve 4, cooling frame upper cover 5, the cooling composition of frame 6 are integrated, described
Refrigerating device inside 8 is mounted on inside cooling frame 6, the refrigerating device inside 8 by water filling device 80, spray transmission mechanism 81,
Spray water plug 82, water filling transmission mechanism 83, one auxiliary body 84 of spray, two auxiliary bodies 85 of spray, spray three
Auxiliary body 86, four auxiliary bodies 87 of spray, water circle device 88, spraying cooling storehouse 89 form;
The water filling device 80 is fixedly connected with water filling transmission mechanism 83, and the spray transmission mechanism 81 and spray draw water dress
82 axis connections are set, are fixedly connected inside one end of the cohesion device 90 and cooling frame 6, the other end of cohesion device 90 is socketed in
It sprays on transmission mechanism 81, the spray transmission mechanism 81 is connected with water filling transmission mechanism 83, the spray water plug 82
One auxiliary body 84 connect with spray, and two auxiliary bodies 85 of the water filling transmission mechanism 83 and spray are connect by bracing wire,
One 84 lower surface of auxiliary body of the spray, which is welded with, sprays two auxiliary bodies 85, under one auxiliary body 84 of the spray
Surface lock has three auxiliary bodies 86 of spray, and two auxiliary bodies 85 of the spray are adjacent with three auxiliary bodies 86 of spray,
Described one auxiliary body 84 of spray and four auxiliary bodies 87 of spray are sequentially connected, described three auxiliary bodies 86 of spray and spray
Four 87 vertical weldings of auxiliary body are drenched, four auxiliary bodies 87 of the spray are connected with water circle device 88, the spray
Water plug 82 is mutually communicated with water circle device 88 by spraying cooling storehouse 89, on the spray water plug 82 and cooling frame
Cover 5 adjacent, the water circle device 88 is adjacent with cooling frame kerve 4, and the water filling device 80 includes water filling fixed cylinder 800, note
Enter sliding cylinder 801, T columns 802, adjustable spring 803, frame column 804, the water filling fixed cylinder 800 connects with the injection sliding of sliding cylinder 801
It connects, the injection sliding cylinder 801 and 802 vertical connection of T columns, the T columns 802 are connected with frame column 804 by 803 elasticity of adjustable spring
It connects, the T columns 802 run through frame column 804, drive operation by the gravity of water, effectively save cost, the spray transmission mechanism 81
Including spray motor turntable 810, spray auxiliary shaft 811, spray auxiliary connecting rod 812, the spray motor turntable 810 and spray
Auxiliary shaft 811 is in concentric circles, and the shaft of the spray auxiliary shaft 811 is connect with the axis hole of spray auxiliary connecting rod 812, institute
It states spray auxiliary connecting rod 812 to be slidably connected with spray water plug 82, for assisting the spray that draws water, stability is good, the spray
Water plug 82 include draw water shaft 820, the balladeur train 821 that draws water, fixed link of drawing water 822, water pumping cylinder 823, draw water reciprocating lever 824,
The shaft 820 that draws water is flexibly connected with the balladeur train 821 that draws water, and the balladeur train 821 that draws water is slidably connected at fixed link 822 of drawing water
On, the described one end of reciprocating lever 824 far from the shaft 820 that draws water of drawing water is located at 823 inner cavity of water pumping cylinder, it is described draw water balladeur train 821 with
The reciprocating lever 824 that draws water is tethered by axis to be connect, easy to use for the spray that draws water, and the water filling transmission mechanism 83 includes that compression moves
Dynamic frame 830, compressed spring 831, cross push rod 832, water filling power device 833, swing rod 834, swing rod adjustable spring 835, weldment
836, compressed spring 831 is installed with inside the compression movable frame 830, the compressed spring 831 passes through height with cross push rod 832
Temperature connection, the cross push rod 832 through compression movable frame 830 and with 834 driving contact of swing rod, the swing rod 834 and swing rod
Adjustable spring 835 is welded to each other, and the described one end of swing rod adjustable spring 835 far from swing rod 834 is connected to the inside of weldment 836
Face, the weldment 836 are L-shaped structure, the weldment 836 and 834 axis connection of swing rod, are used for accessory drive, compact-sized, transmission
Flexibly, described one auxiliary body 84 of spray includes U framves 840, take over 841, take over pillar 842, pillar balladeur train 843, auxiliary cunning
Frame 844, auxiliary slide bars 845, a sliding sash masts 846, the U framves 840 are equipped with pillar balladeur train 843, sliding sash mast 846, institute
The draw runner for stating take over pillar 842 is connect with the sliding rail of pillar balladeur train 843, the take over 841 and 842 vertical connection of take over pillar,
The one end of one auxiliary slide bar 845 far from sliding sash mast 846 and 842 vertical welding of take over pillar, an auxiliary are slided
One end axis connection of the bar 845 far from take over pillar 842 is on spraying four auxiliary bodies 87,845 bottom of an auxiliary slide bar
Portion is fixed on 846 slot position of sliding sash mast, and the sliding sash mast 846 that is fixed on is T-shaped structure, in an auxiliary slide bar 845
Portion is located at 844 inner cavity of auxiliary sliding sash, plays the role of supporting fixed, easy to use, firm, two auxiliary bodies 85 of the spray
Including two auxiliary slide bars, 850, two auxiliary 852, two, the auxiliary hanging cylinder auxiliary push-rod 853, two of axillare 851, two auxiliary
854, two, spring auxiliary snapping devices 855, two auxiliary axillares, 851 bottom end are slidably connected at two auxiliary slide bars 850
Sliding slot, two auxiliary 851 upper ends of axillare are connect with the one end of two auxiliary push-rods 853 far from two auxiliary snapping devices 855,
Two auxiliary hanging cylinders 852 and two auxiliary push-rods 853 pass through two 854 elastic connections of secondary spring, two auxiliary
Push rod 853 and two 855 driving contacts of auxiliary snapping device, described three auxiliary bodies 86 of spray include chain trochus 860, chain
861, block 862 is fallen, the sprocket of the chain trochus 860 is connect with the chain hole of chain 861, and the chain 861 passes through height with pendant block 862
Temperature connection, four 87 vertical weldings of auxiliary body of the pendant block 862 and spray, described four auxiliary bodies 87 of spray include trumpet
870, four connecting rods 871 of shaft, saddle 872, large size driving wheel 873,874, four tooth plates 875 of driving belt, water cycle electricity
876, four transmission gears 877 of source connector, the trumpet shaft 870 and four 871 axis connections of connecting rod, the two are in concentric
Circle, the shaft of four connecting rods 871 are connect with the axis hole of large size driving wheel 873, the saddle 872 and large size driving wheel
873 welding, the large size driving wheel 873 are rotatablely connected with four transmission gears 877 by driving belt 874, four teeth
Plate 875 is engaged with four transmissions of transmission gear 877, and four tooth plates 875 are connected with water power-cycled connector 876 by bracing wire
It connects, is used for accessory drive, ensuring smooth transmission, the water circle device 88 includes water circulation motor chain drum 880, water circulatory assit chain
881, reciprocating lever 882, water circulatory assit shaft 883, water circulatory assit is auxiliarily fixed to draw water bar 884, water circulatory assit spring
885, draw water frame auxiliary pole 886, water cycle water storage frame 887, drive link auxiliary slider 888, the water circulation motor chain drum
880 sprocket is connect with 881 chain hole of water circulatory assit chain, the water circulatory assit chain 881 and water circulatory assit spring
885 are in concentric circles, the water cycle by high temperature conjunction, the water circulation motor chain drum 880 with water circulatory assit shaft 883
Auxiliary shaft 883 and water the circulatory assit bar 884 that draws water are flexibly connected by water circulation motor chain drum 880, the water circulatory assit
Spring 885 and draw water 886 snapping of frame auxiliary pole, the drive link auxiliary slider 888 slidably connect be auxiliarily fixed it is past
Compound lever 882, water circulatory assit draw water bar 884, draw water frame auxiliary pole 886, it is described be auxiliarily fixed reciprocating lever 882, water cycle it is auxiliary
The one end of bar 884 far from water circulation motor chain drum 880 of drawing water is helped to be slidably connected the inner cavity of water cycle water storage frame 887, the water follows
Ring water storage frame 887 is equipped with interlayer, and realization water circulation use is extracted for the water that will spray, effectively saves water resource, described armful
Tight device 90 includes motor 900, rotating bar 903, lead screw 906 and hold-fast ring 908, and the motor 900 is fixed on by supporting rod
The inside of cooling frame 6, motor 900 are electrically connected with temperature sensor and limit switch 907, the output shaft and main cone of motor 900
Gear 901 be keyed, one end of the rotating bar 903 with first from bevel gear 902 be keyed, the other end of rotating bar 903 with
Second is keyed from bevel gear 904, and the master bevel gear 901 is engaged with first from bevel gear 902, one end of the lead screw 906
It is keyed from bevel gear 905 with third, the other end and the limit switch 907 of lead screw 906 be bolted, and described second from bevel gear
904 engage with third from bevel gear 905, and the hold-fast ring 908 is symmetrically arranged at the left and right sides of spray motor turntable 810, holds tightly
The upper and lower ends of ring 908, which are fixedly connected with, holds fixed link 909 tightly, and the lead screw 906 connects with opposite 909 screw thread of holding fixed link
It connects, 908 recessed inner face of the hold-fast ring is connected with brake sheet rubber, when temperature is more than setting limit, can will spray driver
Structure 81 is held tightly, effectively save water resource.
Cooling device is mounted on carbide furnace periphery, cooling value is set on control panel 7, water is poured into water filling fixed cylinder
In 800, water is taken advantage of a situation in inflow injection sliding cylinder 801, and injection sliding cylinder 801 is driven by Gravitational sliding, injection sliding cylinder 801
Cross push rod 832 is pushed away under T columns 802, cross push rod 832 tilts swing rod 834, and the inclination of swing rod 834 has pulled water filling power supply
Device 833 starts the operation of spray transmission mechanism 81, and the inclination of swing rod 834 has also pulled two auxiliary axillares 851, two auxiliary
Axillare 851 drives two auxiliary push-rods 853 to move two auxiliary snapping devices 855, then realize two auxiliary snapping devices 855 with
The separation of block 862 is fallen, pendant block 862 loses fixation and realizes raising and lowering under gravity, and the pendant block 862 of decline is at four
The rotation of four transmission gears 877 and large size driving wheel 873 is driven under the action of tooth plate 875, while four tooth plates 875 start
The power supply of water power-cycled connector 876;At the same time, large size driving wheel 873 is in small size shaft 870 and four connecting rods 871
An auxiliary slide bar 845 is pushed under effect, it is past that an auxiliary slide bar 845 has driven the movement of take over pillar 842 to will take over 841
It injects at sliding cylinder 801 and moves, that is, realize the injection that the water filling port for injecting sliding cylinder 801 is penetrated through, while glided by take over 841
Sliding cylinder 801 coincide with mobile 841 realization of take over to be fixed;The spray motor turntable 810 of operation has driven the shaft 820 that draws water to match
It closes the balladeur train 821 that draws water and realizes that the water injected in sliding cylinder 801 is evacuated in spraying cooling storehouse 89 by reciprocating movement, that is, realize spray
It is cooling;Water power-cycled connector 876 starts the operation of water circulation motor chain drum 880,880 turns of water circulation motor chain drum
It is dynamic to be limited simultaneously by water circulatory assit spring 885,45 degree of reciprocating rotations are realized, that is, water circulatory assit has been driven to draw water
Bar 884 is extracted the water that water plug 82 sprays out is sprayed, and the water connection outer water tube after extraction reinjects water filling fixed cylinder 800
Interior realization water circulation use.
Problems solved by the invention prior art construction is more complicated, and cooling effect is nor highly desirable, no rationally profit
With water resource, the energy can not be effectively saved, the present invention is combined with each other by above-mentioned component, can reach that inject water into water filling solid
It is realized by the gravity of water in safety barrel 800 and drives operation, water is rationally utilized;Water, which is evacuated in water pumping cylinder 823, carries out spraying cooling,
Realize the comprehensive cooling of shaft, good cooling results;Then the water after spray is evacuated in water cycle water storage frame 887 and is re-injected
It in water filling fixed cylinder 800, realizes water circulation use, effectively saves water resource, in temperature sensor test to cooling frame 6
When temperature reaches setting value, the rotation of motor 901 in cohesion device 9 drives master bevel gear 901 to rotate and then drives rotating bar 903
Then rotation drives lead screw 906 to rotate, so that hold-fast ring 908 is held spray motor turntable 810 tightly makes it that can not rotate, if cooling
Hold-fast ring 908 unclamps when temperature in frame 6 is more than setting value, makes 10 normal rotation of spray motor turntable, makes in reaction kettle in this way
Reaction temperature be maintained under optimum temperature and react, effectively save resource and reaction time.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of cooling device of chemical reaction kettle, structure includes integrated heat dissipation tank (1), radiator (2), warehouse (3), cooling
Frame kerve (4), cooling frame upper cover (5), cooling frame (6), control panel (7), refrigerating device inside (8) and cohesion device (90),
The one heat dissipation tank (1) is equipped with radiator (2), and integrated heat dissipation tank (1) is internally provided with temperature sensor, and the temperature passes
Sensor is electrically connected with cohesion device (90), and the warehouse (3) becomes up-down structure, the warehouse (3) with control panel (7) group
It is inlaid in respectively on integrated heat dissipation tank (1) with control panel (7), it is characterised in that:
The cooling frame (6) is U-shaped structure, and the cooling frame (6) is connected with integrated heat dissipation tank (1), and the two group is integrally formed
Change structure, the cooling frame upper cover (5) is nested in the upper end of cooling frame (6), and the cooling frame kerve (4) is installed in cooling frame
(6) bottom, the cooling frame kerve (4), cooling frame upper cover (5), cooling frame (6) form and are integrated, the inside
Cooling device (8) is mounted on cooling frame (6) inside, and the refrigerating device inside (8) is by water filling device (80), spray transmission mechanism
(81), two spray water plug (82), water filling transmission mechanism (83), one auxiliary body (84) of spray, spray auxiliary bodies
(85), three auxiliary bodies (86), four auxiliary bodies (87) of spray, water circle device (88), spraying cooling storehouse (89) are sprayed
Composition;
The water filling device (80) is fixedly connected with water filling transmission mechanism (83), and the spray transmission mechanism (81) is drawn water with spray
Be fixedly connected inside device (82) axis connection, one end of the cohesion device (90) and cooling frame (6), cohesion device (90) it is another
One end is socketed on spray transmission mechanism (81), and the spray transmission mechanism (81) is connected with water filling transmission mechanism (83), institute
It states one auxiliary body (84) of spray water plug (82) and spray to connect, the water filling transmission mechanism (83) and spray two are auxiliary
Mechanism (85) is helped to be connected by bracing wire, one auxiliary body (84) lower surface of the spray is welded with two auxiliary bodies of spray
(85), one auxiliary body (84) lower surface locking of the spray has three auxiliary bodies (86) of spray, the spray two auxiliary
Help three auxiliary bodies (86) of mechanism (85) and spray adjacent, described one auxiliary body (84) of spray and four auxiliary machines of spray
Structure (87) is sequentially connected, described three auxiliary bodies (86) of spray and four auxiliary body (87) vertical weldings of spray, the spray
Four auxiliary bodies (87) of leaching are connected with water circle device (88), the spray water plug (82) and water circle device (88)
It is mutually communicated by spraying cooling storehouse (89), the spray water plug (82) is adjacent with cooling frame upper cover (5), the water cycle
Device (88) is adjacent with cooling frame kerve (4).
2. a kind of cooling device of chemical reaction kettle according to claim 1, it is characterised in that:The water filling device (80)
Including water filling fixed cylinder (800), injection sliding cylinder (801), T columns (802), adjustable spring (803), frame column (804), the water filling
Fixed cylinder (800) is slidably connected with injection sliding cylinder (801), the injection sliding cylinder (801) and T columns (802) vertical connection, institute
T columns (802) are stated with frame column (804) by adjustable spring (803) elastic connection, the T columns (802) run through frame column (804), described
It includes spray motor turntable (810), spray auxiliary shaft (811), spray auxiliary connecting rod (812), institute to spray transmission mechanism (81)
It states spray motor turntable (810) and is in concentric circles, the shaft of the spray auxiliary shaft (811) with spray auxiliary shaft (811)
It is connect with the axis hole of spray auxiliary connecting rod (812), the spray auxiliary connecting rod (812) is slided with spray water plug (82) to be connected
It connects.
3. a kind of cooling device of chemical reaction kettle according to claim 2, it is characterised in that:The spray water plug
(82) include draw water shaft (820), the balladeur train that draws water (821), fixed link of drawing water (822), water pumping cylinder (823), draw water reciprocating lever
(824), the shaft that draws water (820) is flexibly connected with the balladeur train that draws water (821), and the balladeur train that draws water (821) is slidably connected at pumping
On hydropexis bar (822), the one end of the reciprocating lever that draws water (824) far from the shaft (820) that draws water is located in water pumping cylinder (823)
Chamber, the balladeur train that draws water (821), which is tethered with the reciprocating lever that draws water (824) by axis, to be connect.
4. a kind of cooling device of chemical reaction kettle according to claim 3, it is characterised in that:The water filling transmission mechanism
(83) include compression movable frame (830), compressed spring (831), cross push rod (832), water filling power device (833), swing rod
(834), swing rod adjustable spring (835), weldment (836), the compression movable frame (830) is internal to be installed with compressed spring (831),
The compressed spring (831) is with cross push rod (832) by high temperature conjunction, and the cross push rod (832) is through compression movable frame
(830) and with swing rod (834) driving contact, the swing rod (834) is welded to each other with swing rod adjustable spring (835), the swing rod
The one end of adjustable spring (835) far from swing rod (834) is connected to the medial surface of weldment (836), and the weldment (836) is L-shaped knot
Structure, the weldment (836) and swing rod (834) axis connection.
5. a kind of cooling device of chemical reaction kettle according to claim 4, it is characterised in that:One auxiliary of the spray
Mechanism (84) includes U framves (840), take over (841), take over pillar (842), pillar balladeur train (843), auxiliary sliding sash (844), one
Assist slide bar (845), sliding sash mast (846), the U framves (840) that pillar balladeur train (843), sliding sash mast (846), institute are installed
The draw runner for stating take over pillar (842) is connect with the sliding rail of pillar balladeur train (843), and take over (841) are hung down with take over pillar (842)
It is direct-connected to connect, the one end of an auxiliary slide bar (845) far from sliding sash mast (846) and take over pillar (842) vertical welding, institute
One end axis connection of the auxiliary slide bar (845) far from take over pillar (842) is stated on spraying four auxiliary bodies (87), it is described
One auxiliary slide bar (845) bottom is fixed on sliding sash mast (846) slot position, and the sliding sash mast (846) that is fixed on is T shape knots
Structure, an auxiliary slide bar (845) middle part are located at auxiliary sliding sash (844) inner cavity.
6. a kind of cooling device of chemical reaction kettle according to claim 5, it is characterised in that:Two auxiliary of the spray
Mechanism (85) is pushed away including two auxiliary slide bars (850), two auxiliary axillares (851), two auxiliary hanging cylinders (852), two auxiliary
Bar (853), two secondary springs (854), two auxiliary snapping devices (855), two auxiliary axillare (851) bottom end sliding connect
It is connected on the sliding slot of two auxiliary slide bars (850), two auxiliary axillare (851) upper ends and two auxiliary push-rods (853) are separate
One end connection of two auxiliary snapping devices (855), two auxiliary hanging cylinders (852) pass through two with two auxiliary push-rods (853)
Portion's secondary spring (854) elastic connection, two auxiliary push-rods (853) and two auxiliary snapping device (855) driving contacts.
7. a kind of cooling device of chemical reaction kettle according to claim 6, it is characterised in that:Three auxiliary of the spray
Mechanism (86) includes chain trochus (860), chain (861), pendant block (862), sprocket and the chain (861) of the chain trochus (860)
Chain hole connection, the chain (861) with pendant block (862) pass through high temperature conjunction, the pendant block (862) with spray four auxiliary machines
Structure (87) vertical welding.
8. a kind of cooling device of chemical reaction kettle according to claim 7, it is characterised in that:Four auxiliary of the spray
Mechanism (87) includes small size shaft (870), four connecting rods (871), saddle (872), large size driving wheel (873), driving belt
(874), four tooth plates (875), water power-cycled connector (876), four transmission gears (877), the trumpet shaft (870)
With four connecting rod (871) axis connections, the two is in concentric circles, shaft and the large size driving wheel (873) of four connecting rods (871)
Axis hole connection, the saddle (872) and large size driving wheel (873) weld, the large size driving wheel (873) and four transmissions
Gear (877) is rotatablely connected by driving belt (874), and four tooth plates (875) are nibbled with four transmission gear (877) transmissions
It closes, four tooth plates (875) are connect with water power-cycled connector (876) by bracing wire.
9. a kind of cooling device of chemical reaction kettle according to claim 8, it is characterised in that:The water circle device
(88) include water circulation motor chain drum (880), water circulatory assit chain (881), reciprocating lever (882) is auxiliarily fixed, water cycle it is auxiliary
Help shaft (883), water circulatory assit draw water bar (884), water circulatory assit spring (885), the frame auxiliary pole (886) that draws water,
Water recycles water storage frame (887), drive link auxiliary slider (888), and sprocket and the water of the water circulation motor chain drum (880) recycle
Auxiliary chain (881) chain hole connects, and the water circulatory assit chain (881) passes through high temperature with water circulatory assit spring (885)
Connection, the water circulation motor chain drum (880) are in concentric circles, the water circulatory assit axis with water circulatory assit shaft (883)
Bar (883) and water the circulatory assit bar (884) that draws water are flexibly connected by water circulation motor chain drum (880), the water circulatory assit
Spring (885) and frame auxiliary pole (886) snapping that draws water, the drive link auxiliary slider (888) slidably connect auxiliary
Fixed reciprocating lever (882), water circulatory assit draw water bar (884), draw water frame auxiliary pole (886), described that reciprocating lever is auxiliarily fixed
(882), water circulatory assit draw water bar (884) far from water circulation motor chain drum (880) one end be slidably connected water cycle water storage frame
(887) inner cavity, the water cycle water storage frame (887) are equipped with interlayer.
10. a kind of cooling device of chemical reaction kettle according to claim 9, it is characterised in that:The cohesion device
(90) include motor (900), rotating bar (903), lead screw (906) and hold-fast ring (908), the motor (900) passes through supporting rod
It is fixed on the inside of cooling frame (6), motor (900) is electrically connected with temperature sensor and limit switch (907), motor (900)
Output shaft and master bevel gear (901) be keyed, one end of the rotating bar (903) is keyed with first from bevel gear (902),
The other end of rotating bar (903) and second is keyed from bevel gear (904), and the master bevel gear (901) is with first from bevel gear
(902) it engages, one end of the lead screw (906) is keyed with third from bevel gear (905), the other end and limit of lead screw (906)
Bit switch (907) is bolted, and described second engages with third from bevel gear (905) from bevel gear (904), the hold-fast ring
(908) it is symmetrically arranged at the left and right sides of spray motor turntable (810), the upper and lower ends of hold-fast ring (908) are fixedly connected with holding
Fixed link (909), the lead screw (906) are threadedly coupled with opposite holding fixed link (909), and the hold-fast ring (908) is recessed interior
Face is connected with brake sheet rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810454164.XA CN108525623A (en) | 2018-05-14 | 2018-05-14 | A kind of cooling device of chemical reaction kettle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810454164.XA CN108525623A (en) | 2018-05-14 | 2018-05-14 | A kind of cooling device of chemical reaction kettle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108525623A true CN108525623A (en) | 2018-09-14 |
Family
ID=63477275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810454164.XA Pending CN108525623A (en) | 2018-05-14 | 2018-05-14 | A kind of cooling device of chemical reaction kettle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108525623A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111238243A (en) * | 2020-03-11 | 2020-06-05 | 秦皇岛知聚科技有限公司 | Photodiode retrieves smelting pot |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6324852B1 (en) * | 2000-01-24 | 2001-12-04 | Praxair Technology, Inc. | Method of using high pressure LN2 for cooling reactors |
CN203451224U (en) * | 2013-08-16 | 2014-02-26 | 浙江诚泰化工机械有限公司 | Lower sealing head jet flow impingement cooling device of reaction tower |
CN205027169U (en) * | 2015-10-16 | 2016-02-10 | 青岛索孚润化工科技有限公司 | A spray cooling ware for reation kettle condenser cooling water |
CN206838044U (en) * | 2017-06-27 | 2018-01-05 | 江西天沅环保股份有限公司 | A kind of epoxy aliphatic acid methyl ester synthesizes cooling back installation |
CN207313153U (en) * | 2017-08-31 | 2018-05-04 | 宣城市浩民纳米碳酸钙有限公司 | A kind of calcium carbonate carbonators with circulating water |
-
2018
- 2018-05-14 CN CN201810454164.XA patent/CN108525623A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6324852B1 (en) * | 2000-01-24 | 2001-12-04 | Praxair Technology, Inc. | Method of using high pressure LN2 for cooling reactors |
CN203451224U (en) * | 2013-08-16 | 2014-02-26 | 浙江诚泰化工机械有限公司 | Lower sealing head jet flow impingement cooling device of reaction tower |
CN205027169U (en) * | 2015-10-16 | 2016-02-10 | 青岛索孚润化工科技有限公司 | A spray cooling ware for reation kettle condenser cooling water |
CN206838044U (en) * | 2017-06-27 | 2018-01-05 | 江西天沅环保股份有限公司 | A kind of epoxy aliphatic acid methyl ester synthesizes cooling back installation |
CN207313153U (en) * | 2017-08-31 | 2018-05-04 | 宣城市浩民纳米碳酸钙有限公司 | A kind of calcium carbonate carbonators with circulating water |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111238243A (en) * | 2020-03-11 | 2020-06-05 | 秦皇岛知聚科技有限公司 | Photodiode retrieves smelting pot |
CN111238243B (en) * | 2020-03-11 | 2021-11-26 | 江苏烨明光电有限公司 | Photodiode retrieves smelting pot |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207996609U (en) | Mixing plant dispersion impeller chamber structure for use | |
CN104589464B (en) | Concrete cushion block making device | |
CN108525623A (en) | A kind of cooling device of chemical reaction kettle | |
CN109128670A (en) | A kind of automatic turning device of side wall gusset frame welding | |
CN115532128A (en) | Boiler water treatment chemical adding equipment and using method thereof | |
CN214681367U (en) | Mixing apparatus for pharmaceutical production | |
CN108690645A (en) | A kind of cooling device in biomass carbonization stove | |
CN214183122U (en) | Swing type reaction kettle | |
CN203208923U (en) | Drug mixer for integrated drug feeding device | |
CN211561899U (en) | Boiler desulfurization circulation tank crystallizing tank capable of avoiding material accumulation | |
CN203831599U (en) | High-speed mixer for plastic modification | |
CN209073211U (en) | A kind of device for the swimming of large and small mouse | |
CN203990631U (en) | A kind of horizontal convection reactor | |
CN203803433U (en) | Medicament mixing and melting promoter | |
CN206304137U (en) | Liquid material hard shell capsules device for filling | |
CN109092127A (en) | A kind of industrial adsorbents equipment | |
CN109179411A (en) | A kind of preparation method of novel honeycomb pressed active carbon | |
CN211988503U (en) | Heating and stirring device for pharmacological research | |
CN104437299A (en) | Enamel reaction kettle | |
CN219682513U (en) | Allyl end capped polyether reaction mixing mechanism | |
CN210873061U (en) | Microwave heating formula intelligence traditional chinese medicine enrichment facility | |
CN204159275U (en) | A kind of Rotary Machine automatically | |
CN212819818U (en) | Lubricating oil production is with reation kettle who has agitating unit | |
CN216321312U (en) | Agitating unit for civil engineering | |
CN217856184U (en) | Electric heating reaction kettle equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |