CN2657059Y - Self-power liquid controller - Google Patents
Self-power liquid controller Download PDFInfo
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- CN2657059Y CN2657059Y CN 03272545 CN03272545U CN2657059Y CN 2657059 Y CN2657059 Y CN 2657059Y CN 03272545 CN03272545 CN 03272545 CN 03272545 U CN03272545 U CN 03272545U CN 2657059 Y CN2657059 Y CN 2657059Y
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- liquid
- core cover
- housing
- self
- spool
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Abstract
The utility model relates to a self-power liquid controller which belongs to a self-power level meter used for dynamically monitoring a liquid level in a liquid storage container. The self-power liquid controller is characterized in that a valve core with a diverter is arranged in a core guarding cover with a guiding structure and arranged in / outside a casing with a valve port. The valve core is connected with a sensing floater through a coupling device, and the casing is provided with the diverter, a pressure-limiting structure and a liquid infusion pipe. The liquid level in the liquid storage container is automatically monitored. The self-power liquid controller has the characteristics of electricity disuse and intrinsic safety without overflow after full, deflation after pumped and cut-off due to the lack of electricity. Simultaneously, when cut-off due to the lack of electricity is carried out, the stepping variance of the pressure and the flow-rate in the pipe is taken as a signal source to further realize the automatic functions of interlocking alarm and shutting off a pump valve, etc. The utility model can effectively prevent pipe transfusion liquid, particularly inflammable, explosive and poisonous dangerous liquids from energy resource waste, environmental contamination and accidental fire hazard and human casualty accident caused by surpassing safety setting limit, and the self-power liquid controller is suitable for liquid storage departments for all walks of life.
Description
Technical field the utility model belongs to the self-operated type level meter, is used for the liquid level of dynamic auto control liquid storage container.
The early stage liquid level of background technology is by the artificial visual monitoring, and as glass tube, gage or the combination of float pulley weight etc., weak point is that technical scheme is a non-automaticization technology, the needs of incompatibility modernized big insutry robotization.
Existing liquid level majority utilizes electric detecting technology to monitor, advanced have a ultrasonic level meter, the microwave level meter, conductance method, capacitance method, fiber-optic monitoring method etc., weak point is necessary electricity consumption and driven by energy, the other instrument of jar must be connected with cable or optical cable with the pulpit, only play knowledge monitoring effect, there is not actuator function, complex process, the maintenance trouble, the cost height, incompatibility is inflammable, the requirement of explosive dangerous material liquid storage environmentAL safety has malfunctioningly when crucial, carelessness or fault are arranged slightly, will cause liquid storage to transfinite overflowing emitting accident, cause energy dissipation, environmental pollution causes serious accidents such as unexpected fire and personal injury.
A kind of dynamically big flow liquid level automaton is disclosed in CN2194009Y, its purpose provides a kind of dynamically big flow liquid level automatic valve, constitute and comprise valve body, valve and float, its weak point be valve 5,6 on Cancellation Missed 7, cause valve position to play pendulum, in the repeated use process, through the impact of liquid stream and the interference of other physical factor, cause flat the moving of valve and misoperation takes place, it is unreliable to work; Produce serious water hammer when damming, the infringement pipeline equipment; The splash of valve port liquid when being used for inflammable, explosive dangerous oil product, easily produces static, causes unexpected fire, uses dangerous.
Summary of the invention the purpose of this invention is to provide a kind of more sensitive and accurate, convenient and reliable, need not electricity consumption, do not consume energy, electrostatic prevention, anti-water attack, essential safety, the self-operated type that maintenance capacity is few, monitor set be executed in incorporate liquid level Automation Control Instruments, and provide the coherent signal inspection to pick up interlock, realization teletransmission networking, automatically close down pump valve, in the dynamic liquid storage process of liquid storage container, strick precaution surmounts the spacing formation accident of safety, especially to inflammable, explosive, the dangerous liquid material of corrosive, effectively take precautions against excessive energy dissipation and the environmental pollution of emitting formation of transfiniting, and the fire and the human casualty accident that cause thus.
The present invention is achieved in that a kind of self-operated type liquid control device, comprises housing, valve port, spool, buoyancy aid and liquid-transport pipe-line, it is characterized in that
A is equipped with in the housing and protects the core cover, and protecting has the guidance structure on the core cover, protects in the core cover spool is housed, and has on the spool and the suitable guides of guidance structure; Housing is outer, the valve port top is equipped with and is protected the core cover, and protecting has the guidance structure on the core cover, protect in the core cover floating plug is housed, and has on the floating plug and the suitable guides of guidance structure; Protecting between core cover and valve port, housing has liquid to pass through the gap, and rope chain and the floating plug, clutch of spool by passing valve port is connected with buoyancy aid, perhaps
B is equipped with in the housing and protects the core cover, and protecting has the guidance structure on the core cover, protect in the core cover spool is housed, have on the spool and the suitable guides of guidance structure, protecting between core cover and valve port, housing has liquid to pass through the gap, spool is connected with buoyancy aid by the clutch that passes valve port, perhaps
C, housing is outer, the valve port top is equipped with and is protected the core cover, and protecting has the guidance structure on the core cover, protect in the core cover floating plug is housed, and has on the floating plug and the suitable guides of guidance structure, and protecting between core cover and valve port, housing has liquid to pass through the gap, perhaps
D is equipped with in the housing and protects the core cover, and protecting has the guidance structure on the core cover, protects in the core cover spool is housed, and has on the spool and the suitable guides of guidance structure, and protecting between core cover and valve port, housing has liquid to pass through the gap, and the hole that guides passes housing bottom links to each other with buoyancy aid.
A series of self-operated type liquid level control device technical schemes are provided, and a is the two-way control of high and low liquid level, and b is high liquid level control, and c is low liquid level control, and d is the high liquid level control of removable plug-in type.
The good effect that the core cover is protected in application is that (one) guarantees that liquid flow is unobstructed; (2) flowing liquid does not disturb spool; (3) spool is simplified to a feature part, flexible for installation, reliable; (4) form inverted eddy flow, vortex between spool and valve port, quick when making the spool action, accurate; (5) provide prerequisite for the multidirectional installation of the liquid-transport pipe-line on the housing; The guidance structure and the guides that protect on the core cover are gemels, can manage, bar (pipe) hole, bar (pipe) each other, grooved rail, loose-leaf or other guiding movement structure, good effect is to guarantee that the spool location is good, sound is led, and valve position is not disturbed by liquid stream and other physical factor, and is sensitive reliable.
Safe pressure limiting structure is arranged on housing or the spool, and this structure can be safety valve, relief hole or other pressure limiting structure, prevents water attack that pipeline produces when dynamically the damming destruction to equipment, be preferably made bolt shape, be contained in the housing bottom surface, have the blowdown effect concurrently, and easy access.Clutch is hard rod tube, chain cable, gentle rope or three's combination, and multiple choices are flexible, the length of regulating clutch, i.e. may command liquid level.There is the liquid-transport pipe-line of external connection housing bottom surface or side, and multiple angles is installed, and make to implement more convenient being suitable for.Buoyancy aid can be single or multiple buoyancy aid combinations.Liquid storage container can be a Storage Tank, jar, tank car and water tank etc. crouch.
Housing is outer, air deflector is arranged on the valve port, and pipe end can be cut into the inclined-plane, and preferably the sidewall porous helps liquid and evenly spreads to periphery, and deflate static is avoided splash and eddy flow.
Air deflector is communicated with liquid storage container, on have and allow the pulley of clutch break-in.Housing can level be installed on the woven hose to the multiple angles of vertical centering control, places liquid storage container inner or outside, places inner for excellent.
Housing or liquid-transport pipe-line link to each other with liquid storage container, and housing (or partial shell), clutch and buoyancy aid (or floating plug) can be in liquid storage containers, safe antifreeze.Liquid storage container can be communicated with other liquid reserve tank jar with conduit, becomes linker, and at this, liquid storage container can be used as the liquid level demarcation, indicator uses.
Floating plug density is convenient to from floating less than liquid storage density, and spool has certain deadweight, and weight so that sink to opening valve by its deadweight, is closed valve by the buoyancy come-up of buoyancy aid greater than the buoyancy of floating plug again.The surface of contact that dams of spool or floating plug and valve port is mutual sealing surface, wherein the one side best flexible encapsulant so that valve seal.
During dynamically defeated tank body, the liquid in the liquid storage container is/do not arrive the spacing setting of liquid level, and the spool under buoyancy aid or buoyancy, floating plug are made accordingly and being dammed/the non-action of damming, thereby cause:
The high/low variation of fluid pressure in the woven hose, the pressure step signal takes place, find that the spacing setting of this step signal and liquid is closely related, pick out by the pressure-sensing device inspection that is loaded on the woven hose, pressure-sensing device is connected with conversion and ON/OFF signal, interlocking and the open/close state of controlling relevant device automatically, perhaps
The variation that fluid flow does not have/has in the woven hose, the flow step signal takes place, find that the spacing setting of this step signal and liquid is closely related, pick out by the flow-sensitive element inspection that is loaded on the woven hose, the flow-sensitive element is connected with conversion and ON/OFF signal, interlocking and the open/close state of controlling relevant device automatically.
For obtaining good effect more, relevant device, pressure-sensing device or flow-sensitive element and ON/OFF signal, being integral structure capable of being combined.Wherein pressure-sensing device can be bourdon tube, ripple sylphon or other pressure measuring system, the flow-sensitive element can be metering orifice, plate or other flow measuring system, be contained on the woven hose, the ON/OFF signal of conversion output is that electric contact is often opened/normally closed switch or noncontacting switch, and available electro connecting pressure gauge substitutes; Relevant device is relay, contactor, solenoid valve, audible-visual annunciator, computer or Communication Equipment etc.Preferably solenoid valve has the such electric contact of benefit certainly of similar contactor, bourdon tube on it, change-over switch is opened/closed to electric contact, adjusts the adjusting gear and the indicating device of running parameter, connects knob and terminal box, be assembled in the shell, form electromechanical integrated device, be convenient to implement and control.
The present invention has following advantage compared to existing technology:
(1) simple for structure, safeguard that simply sensitive and accurate, convenient and reliable, cost performance is good.
(2) powerful, can high liquid level of unidirectional control or low liquid level, also can high liquid level of two-way control and low liquid level, the liquid in-out condominium need not be manually on duty, must electricity consumption, do not consume energy electrostatic prevention, anti-water attack, self-operated type, robotization, dynamic state limit, no electricity dams, essential safety.
(3) installation is applied widely, can vertically install, and also can horizontally install, and can also make movable type; Can be installed on liquid storage container bottom surface, side or above, also can be installed on inside or outside, liquid storage container size, just no matter, still upright, crouch, moving vehicle can both be suitable for.
(4) adapt to multiple medium, the liquid of different physical and chemical performances is used corresponding suitable manufactured materials, can satisfy the storage satety production needs of various organic solutions (as gasoline, benzene class oil product) and inorganic solution (as acid-base salt solution (comprising water)).
(5) market is wide, is suitable for the liquid storage container miscellaneous of sub-all trades and professions (industry, army, civilian), is in particular the technology platform that numerous oil depots and refuelling station liquid dangerous material jar groove provides leading safety management, has improved the safety in production coefficient.
(6) take precautions against natural calamities that to keep away evil strong, both can prevent from that liquid storage container from transfiniting to take out flatly that can prevent again that liquid storage from transfiniting to overflow emitted, especially to inflammable, explosive, malicious sanies body, effectively take precautions against the excessive energy dissipation of emitting formation of transfiniting, environmental pollution, and the unexpected fire and the human casualty accident that cause thus!
(7) unique signal inspection is picked up interlock and has further been realized in the liquid storage production run, the monitoring of liquid collecting position is dammed the incorporate while with execution, find signal, inspection picks out, and is used for interlocked control and closes the valve termination of pumping, the teletransmission networking, sound and light alarm, further improved automaticity,, provide numerical information accurately and reliably for control and the leading management of safety automatically of storage production run.
The drawing of description of drawings accompanying drawing of the present invention is described as follows:
Fig. 1 is the overall technological scheme synoptic diagram.
Among the figure, 1 is housing, and 12 is air deflector, 14 is buoyancy aid, and 13 is clutch, and 16 is liquid-transport pipe-line, 31 is woven hose, 30 is liquid storage container, and 36 open/close change-over switch for electric contact, and 32 is sensitive element (pressure spring pipe), 33 is solenoid valve, 29 is that solenoid valve is mended electric contact certainly, and 34 is adjusting gear, and 35 is indicating device.
Fig. 2 is the two-way control structure synoptic diagram of high and low liquid level.
Among the figure, 1 is housing, and 2 is guides, 3 are the guidance structure, and 4 is spool, and 5 for protecting the core cover, 6 is the gap, and 7 are the rope chain, and 8 is valve port, 9 are the guidance structure, and 10 is guides, and 11 for protecting the core cover, 12 is air deflector, and 13 is clutch, and 14 is buoyancy aid, 15 is safe pressure limiting structure, and 16 is liquid-transport pipe-line, and 17 is floating plug.
Fig. 3 is horizontal high liquid level control structure synoptic diagram.
Among the figure, 1 is housing (the horizontal side of level dress, also vertical end dress, or multiple angles is installed between the two, it is outer or interior also can be contained in liquid storage container), 25 for protecting core cover (angle mount formula), 23 are guidance structure (with guides loose-leaf each other), and 24 is spool (gate-type), and 22 is guides, 8 is valve port, 19 are pressure limiting structure (eyelet), and 16 be liquid-transport pipe-line, 26 be air deflector (also can be vertical with the liquid storage container bottom or inclination be connected, can also be connected into linker with other liquid reserve tank jar, referring to Fig. 4), 14 is buoyancy aid, 13 is clutch, 27 are pulley (can allow clutch break-in), and 30 is liquid storage container.
Fig. 4 is the connected vessels type structural representation.
Among the figure, 1 is housing, and 16 is liquid-transport pipe-line, and 38 are air deflector (on have clutch to pass through hole), and 14 be buoyancy aid, and 13 is clutch, and 30 is liquid storage container (can be used as the fluid level gauge form), and 37 is the liquid reserve tank jar.
Fig. 5 is low liquid level control structure synoptic diagram.
Among the figure, 1 is housing, and 5 for protecting the core cover, and 21 are guidance structure (hole), and 2 is guides (bar), and 6 is the gap, and 8 is valve port, and 17 is that floating plug (density is lighter than liquid storage) 16 is liquid-transport pipe-line.
Fig. 6 is the high liquid level control structure of a plug-in type synoptic diagram.
Among the figure, 1 is housing, and 20 for protecting the core cover, and 3 are guidance structure (pipe), 18 is spool, and 2 is guides (bar), and 8 is valve port, and 16 is that liquid-transport pipe-line (can be connected to oiling oil filling riser head, the high liquid level of safety of control tank wagon), 28 are air deflector (can insert in the oil tank), and 14 is buoyancy aid.
Embodiment the present invention is further described below in conjunction with drawings and Examples.
Consult Fig. 1, Fig. 2.
A kind of self-operated type liquid control device, comprise housing, valve port, spool, buoyancy aid and liquid-transport pipe-line, it is characterized in that being equipped with in the housing (1) and protect core cover (5) that protecting has guidance structure (3) on the core cover, protect spool (4) is housed in the core cover, have on the spool and the suitable guides (2) of guidance structure; Housing (1) is outer, valve port (8) top is equipped with and is protected core cover (11), and protecting has guidance structure (9) on the core cover, protect floating plug (17) is housed in the core cover, has on the floating plug and the suitable guides (10) of guidance structure; Protecting has liquid to pass through gap (6) between core cover and valve port, housing, rope chain (7) and the floating plug, clutch (13) of spool by passing valve port links to each other with buoyancy aid (14).Safe pressure limiting structure (15) is arranged on the housing (1), air deflector (12), liquid-transport pipe-line (16) are arranged.Liquid-transport pipe-line (16) links to each other with liquid storage container (30), and housing (1), clutch (13), buoyancy aid (14) are in liquid storage container.Liquid-transport pipe-line (16) is connected with woven hose (31), be equipped with on it to examine and pick up the sensitive element (32) that the pressure step evolution changes, sensitive element is the pressure spring pipe, be connected with conversion and ON/OFF signal, the ON/OFF signal is that change-over switch (36) is opened/closed to electric contact, and parameter adjustment controls (34) and indicating device (35) are arranged, the relevant device of interlocking is the solenoid valve (33) that is contained on the woven hose, have on it from mending electric contact (29), button and terminal box are arranged, be contained in the shell.
During feed liquor, starting pump valve, liquid, by protecting liquid circulation gap (6) between core cover and valve port (8), housing (1), through air deflector (12), enter in the liquid storage container (30) in the access to plant through woven hose (31), liquid-transport pipe-line (16).Owing to protect the protection of core cover (5), cartridge spool (4) is not moved by liquid stream in it, and floating plug (17) floats in protecting core cover (11) under the effect of liquid stream, and each side does not disturb mutually.Liquid continuous throwing into, liquid level raises, when arriving set high-order, the buoyancy aid that floats (14) traction clutch (13) drives floating plug (17), rope chain (7), mention spool (4), the effect of liquid mobilization force and protect guidance structure (3) on the core cover (5) and the guidance of the guides (2) on the spool (4) under, spool (4) is met with valve port (8), blocks liquid and flows, feed liquor situation is not removed, and state of a control is more than.Safe pressure limiting structure (15) on the housing prevents that water attack is excessive.During fluid, opposite with the feed liquor path, when liquid level dropped to the setting low level, floating plug (17) moved down, and constructed under the guiding of (9) and floating plug (17) upper guide (10) in the guidance of protecting on the core cover (11), met with valve port (8) and dammed., need by producing during less than high and low control bit at liquid, liquid is into and out of freedom, and can shared liquid-transport pipe-line.When damming, because hydrodynamic force variation effect, fluid pressure generation step evolution in the woven hose (31) changes, feasible sensitive element (32)---the displacement generation respective change of pressure spring pipe that is contained on the woven hose (31) of this variation, drive electric contact and open/close change-over switch (36), (before working first, with adjusting gear (34), indicating device (35), running parameter according to the good pressure spring pipe of field requirement adjustment), original closed electric contact disconnects, make solenoid valve (33) dead electricity close (it carries from mending electric contact (29) and also disconnects immediately) cutout, original electric contact closure that disconnects, starting JL, the D audible-visual annunciator is reported to the police, the Other related equipments such as infusion pump that starter relay J interlocked control is relevant.Provided high liquid level signal interlock synoptic diagram among Fig. 1, in the frame of broken lines, the solenoid valve of live contact, pressure spring pipe, electric contact leave/close change-over switch, parameter adjustment controls, indicating device and master and make button and terminal box, are assemblied in the shell, form the new instrument of electromechanical integration.
Claims (10)
1, a kind of self-operated type liquid control device comprises housing, valve port, spool, buoyancy aid and liquid-transport pipe-line, it is characterized in that
A is equipped with in the housing (1) and protects core cover (5,11,20,25), and protecting has guidance structure (3,9,21,22) on the core cover, protects spool (4,18,24) is housed in the core cover, has on the spool and the suitable guides (2,10,23) of guidance structure; The outer valve port of housing (1) (8) top is equipped with and is protected core cover (5,11), and protecting has guidance structure (3,9,21) on the core cover, protect floating plug (17) is housed in the core cover, has on the floating plug and the suitable guides (2,10) of guidance structure; Protecting has liquid to pass through gap (6) between core cover and valve port, housing, rope chain (7) and the floating plug, clutch (13) of spool by passing valve port (8) links to each other with buoyancy aid (14), perhaps
B, be equipped with in the housing (1) and protect core cover (5,11,20,25), protect guidance structure (3,9,21,22) is arranged on the core cover, protect spool (4,18,24) is housed in the core cover, have on the spool and the suitable guides (2,10,23) of guidance structure, protecting between core cover and valve port (8), housing (1) has liquid to pass through gap (6), and spool (4,18,24) links to each other with buoyancy aid (14) by the clutch (13) that passes valve port (8), perhaps
C, housing (1) is outer, valve port (8) top is equipped with and is protected core cover (5,11), protect guidance structure (3,9,21) is arranged on the core cover, protect floating plug (17) is housed in the core cover, have on the floating plug and the suitable guides (2,10) of guidance structure, protecting has liquid to pass through gap (6) between core cover and valve port, housing, perhaps
Be equipped with in d, the housing (1) and protect core cover (5,11,20), protect guidance structure (3,9,21) is arranged on the core cover, protect spool (4,18) is housed in the core cover, have on the spool and the suitable guides (2,10) of guidance structure, protecting has liquid to pass through gap (6) between core cover and valve port (8), housing, the hole that guides passes housing bottom links to each other with buoyancy aid (14).
2, self-operated type liquid control device according to claim 1 is characterized in that having on housing (1) or the spool (4,18,24) safe pressure limiting structure (15,19).
3, self-operated type liquid control device according to claim 1 and 2 is characterized in that air deflector (12,26,28,38), liquid-transport pipe-line (16) are arranged on the housing (1).
4, self-operated type liquid control device according to claim 3 is characterized in that housing (1) or liquid-transport pipe-line (16), links to each other with liquid storage container (30), and housing or partial shell, clutch (13), buoyancy aid (14) are in liquid storage container (30).
5, self-operated type liquid control device according to claim 4 is characterized in that liquid storage container (30) is communicated with liquid reserve tank jar (37).
6, self-operated type liquid control device according to claim 4 is characterized in that having on the air deflector (12,26) pulley (27) that allows clutch (13) change direction.
7, self-operated type liquid control device according to claim 3, it is characterized in that liquid-transport pipe-line (16) is connected with woven hose (31), be equipped with on it and can examine the sensitive element (32) that picks up pressure or the variation of flow step evolution, sensitive element (32) is connected with conversion and ON/OFF signal, interlocking and automatic control relevant device.
8, self-operated type liquid control device according to claim 4 is characterized in that liquid-transport pipe-line (16) is connected with woven hose (31), is equipped with on it to examine the sensitive element (32) that picks up pressure or the variation of flow step evolution, controls the open/close state of relevant device automatically.
9, self-operated type liquid control device according to claim 7 is characterized in that sensitive element (32), ON/OFF signal and the integrated unitized construction of relevant device.
10, self-operated type liquid control device according to claim 7, it is characterized in that sensitive element (32) is the pressure spring pipe, the ON/OFF signal is that change-over switch (36) is opened/closed to electric contact, parameter adjustment controls (34) and indicating device (35) are arranged, relevant device is for being contained in the solenoid valve (33) on the woven hose (31), have on the solenoid valve from mending electric contact (29), button and terminal box are arranged, be assembled in the shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 03272545 CN2657059Y (en) | 2003-06-17 | 2003-06-17 | Self-power liquid controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 03272545 CN2657059Y (en) | 2003-06-17 | 2003-06-17 | Self-power liquid controller |
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CN2657059Y true CN2657059Y (en) | 2004-11-17 |
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CN 03272545 Expired - Fee Related CN2657059Y (en) | 2003-06-17 | 2003-06-17 | Self-power liquid controller |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100388147C (en) * | 2003-05-10 | 2008-05-14 | 费道存 | Self-operated liquid controller and relative signal pick-up interlocking method |
CN109213216A (en) * | 2017-07-04 | 2019-01-15 | 高山 | Unpowered full-automatic ratio supply device is penetrated from pressure injection |
-
2003
- 2003-06-17 CN CN 03272545 patent/CN2657059Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100388147C (en) * | 2003-05-10 | 2008-05-14 | 费道存 | Self-operated liquid controller and relative signal pick-up interlocking method |
CN109213216A (en) * | 2017-07-04 | 2019-01-15 | 高山 | Unpowered full-automatic ratio supply device is penetrated from pressure injection |
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