CN116271647B - Quick supply device of chemical industry pipeline fire control foam - Google Patents
Quick supply device of chemical industry pipeline fire control foam Download PDFInfo
- Publication number
- CN116271647B CN116271647B CN202310440014.4A CN202310440014A CN116271647B CN 116271647 B CN116271647 B CN 116271647B CN 202310440014 A CN202310440014 A CN 202310440014A CN 116271647 B CN116271647 B CN 116271647B
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- fire
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- fighting
- spray core
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- 239000006260 foam Substances 0.000 title claims abstract description 45
- 239000000126 substance Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000007921 spray Substances 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 11
- 239000008358 core component Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0036—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a quick fire-fighting foam supply device for chemical pipelines, which belongs to the technical field of fire-fighting equipment and comprises a foam supply tank, wherein the foam supply tank is connected with a pipe joint through a water supply pipeline, the water supply pipeline is connected with a water pump, the pipe joint is connected with a fire-fighting spray core, and a spray core sleeve is arranged at the outer side of the fire-fighting spray core in a sealing sleeve manner; the inclination of first spout is greater than the inclination of second spout, and the outer end of third water delivery chamber forms the third spout, has seted up respectively on the pipe wall of fire control spouting the core with first water delivery chamber, second water delivery chamber, third water delivery chamber intercommunication first water inlet, second water inlet, third water inlet, the inboard of fire control spouting the core is formed with the straight column chamber with the coupling intercommunication, is provided with pressure case subassembly in the straight column chamber, and pressure case subassembly can be when opening one of them water inlet, seals other two water inlets. The device can adjust the fire extinguishing range according to the requirement so as to adapt to the field requirement.
Description
Technical Field
The invention belongs to the technical field of fire-fighting equipment, and particularly relates to a quick fire-fighting foam supply device for a chemical pipeline.
Background
The fire-fighting foam liquid consists of fluorocarbon surfactant, fluorine-free surfactant, and additive for improving foam performance and water. After the water film-forming foam extinguishing agent is mixed with water through the foam proportion mixing device, the output foam mixed liquid generates fire extinguishing foam through foam generating injection equipment, when the fire extinguishing foam is injected to the burning oil surface, water separated out from a foam layer can form a water film with good sealing performance on the surface of fuel, the contact of the fuel and air is isolated, and the oil fire can be rapidly and efficiently extinguished by the dual functions of the foam and the protective film. Existing fire suppression supply devices are generally not adaptable to different size fire situations. For example, if a water column with stronger impact force is adopted to extinguish fire when encountering a fire in a small area, the fire extinguishing device is easy to damage the articles to be extinguished; when meeting the fire scene in a larger area, the smaller water column is like a cup and a car salary. Therefore, it is highly desirable to provide a rapid supply device for fire-fighting foam in chemical pipelines, which can adjust the fire-extinguishing range according to the needs so as to adapt to the needs of the site.
Disclosure of Invention
Therefore, the invention aims to provide a quick supply device for fire-fighting foam of a chemical pipeline, which can solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention relates to a quick fire-fighting foam supply device for a chemical pipeline, which comprises a foam supply tank, wherein the foam supply tank is connected with a pipe joint through a water supply pipeline, the water supply pipeline is connected with a water pump, the pipe joint is connected with a fire-fighting spray core, and a spray core sleeve is sleeved on the outer side of the fire-fighting spray core; the inner wall of the spray core sleeve is provided with a first annular groove, a second annular groove and a third annular groove respectively, the first annular groove, the second annular groove and the third annular groove are matched with the outer side of the fire-fighting spray core respectively to form a first water conveying cavity, a second water conveying cavity and a third water conveying cavity, the pipe wall of the spray core sleeve is provided with a first spout and a second spout which are communicated with the first water conveying cavity and the second water conveying cavity respectively, the inclination angle of the first spout is larger than that of the second spout, the outer end of the third water conveying cavity forms a third spout, the pipe wall of the fire-fighting spray core is provided with a first water inlet, a second water inlet and a third water inlet which are communicated with the first water conveying cavity, the second water conveying cavity and the third water conveying cavity respectively, the inner side of the fire-fighting spray core is provided with a straight column cavity communicated with a pipe joint, and the straight column cavity is internally provided with a pressure valve core component which can seal the other two water inlets when opening the water inlets.
Further, the inner wall of fire control spouts the core has seted up semicircle column type spout along the axial, first water inlet, second water inlet, third water inlet all pass semicircle column type spout, pressure valve core subassembly includes spheroid, first spring, elasticity haulage rope, first traveller, pillar and second traveller, first traveller passes through the pillar and is connected to the second traveller, first traveller and the coaxial slip setting of second traveller are in semicircle column type spout, first traveller passes through elasticity haulage rope and is connected to the spheroid, the spheroid passes through first spring coupling to the bottom of fire control spouts the core.
Further, a second spring is connected between the first sliding column and the inner end of the semicircular column sliding groove, and the pretension force of the second spring is smaller than that of the first spring.
Further, the outside normal running fit of fire control spouts the core has the sliding ring, the sliding ring is located the third water delivery intracavity, fixedly be provided with the flabellum on the sliding ring, the fire control spouts the outside of core offered with sliding ring complex rotation annular.
Further, the internal thread has been seted up to the sheathed tube one end inner wall that keeps away from the third water delivery chamber of core spraying, the external screw thread has been seted up on the outer wall of fire control core spraying correspondingly, be provided with first sealing washer between first annular and the second annular, be provided with the second sealing washer between second annular and the third annular.
Further, the outside of fire control spouts the core has seted up spacing annular, the outside sliding fit of coupling has the lock sleeve, be connected with the third spring between lock sleeve and the coupling, the inboard butt of lock sleeve has the ball, the ball is installed in the spacing downthehole of seting up on the coupling surface, under the butt effect of lock sleeve, the ball can go deep spacing to fire control spouts the core in the spacing annular.
Further, the outside threaded connection that the fire control spouts core one end is kept away from to the coupling has the screw sleeve, the inside of screw sleeve forms inboard conical surface, be provided with the piece that compresses tightly between screw sleeve and the coupling, screw sleeve can compress tightly the interface in water supply pipe through inboard conical surface after screwing up.
Further, the compressing piece comprises an annular rubber ring, the rubber ring is sleeved on the outer side of the pipe joint, a plurality of strip-shaped deformation grooves are formed in the rubber ring, and an outer conical surface corresponding to the inner conical surface is formed on the outer side of the rubber ring.
The invention has the beneficial effects that:
according to the quick fire-fighting foam supply device for the chemical pipeline, the first water conveying cavity, the second water conveying cavity and the third water conveying cavity are sequentially arranged along the axial direction of the fire-fighting spray core, when the first water inlet is communicated with the first water conveying cavity, water supply at the rear mainly enters the first water conveying cavity through the first water inlet and then is sprayed out through the first spray nozzle, and as the angle of the spray nozzle of the first spray nozzle is larger, a larger water spraying range can be provided, the water spraying range is not annular in the whole sense, the inner range of the area can be covered as much as possible under the viscous effect of water, and the size of the first spray nozzle is set according to the situation. When the second nozzle works, water is mainly supplied into the second water conveying cavity through the second water inlet, and when the third nozzle works, water in the water pipe is mainly sprayed out towards the front due to the fact that the nozzle of the third nozzle is large, and therefore a smaller water spraying range can be provided, water spraying with impact force is achieved, and the effect of concentrated water spraying at a long distance is achieved. Of course, a plurality of groups of nozzles can be arranged, and the angle of the nozzles can be adjusted according to the needs.
In the device, by arranging the pressure valve core assembly, one water inlet can be opened and the other two water inlets can be closed at the same time by the pressure valve core assembly. The larger water pressure corresponds to the smaller water spraying range, so that the range of water spraying can be adapted to be changed through the change of the pressure of water supply, an unnecessary control structure is not needed, the device is simple, and the control is stable.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is an exploded view of the fire core and core sleeve of the present invention;
FIG. 3 is a half cross-sectional view of a fire core and core sleeve of the present invention;
FIG. 4 is a schematic illustration of the cooperation of the pressure spool assembly with the fire-fighting nozzle core;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic structural view of a pressure spool assembly;
FIG. 7 is a schematic view of the structure of a fire-fighting nozzle;
FIG. 8 is a schematic structural view of a pipe joint;
FIG. 9 is a schematic structural view of a hold-down member;
fig. 10 is a schematic structural view of a fan blade.
The figures are marked as follows: the foam supply tank 1, the water supply pipe 2, the pipe joint 3, the water pump 4, the fire-fighting nozzle core 5, the nozzle core sleeve 6, the first ring groove 7, the second ring groove 8, the third ring groove 9, the first nozzle 10, the second nozzle 11, the third nozzle 12, the first water inlet 13, the second water inlet 14, the third water inlet 15, the column chamber 16, the pressure valve core assembly 17, the semicircular column chute 18, the ball 19, the first spring 20, the elastic traction rope 21, the first sliding column 22, the pillar 23, the second sliding column 24, the second spring 25, the slip ring 26, the fan blade 27, the rotating ring groove 28, the internal thread 29, the external thread 30, the first seal ring 31, the second seal ring 32, the limiting ring groove 33, the lock sleeve 34, the third spring 35, the ball 36, the limiting hole 37, the thread sleeve 38, the inner tapered surface 39, the pressing piece 40, the strip-shaped deformation groove 41, and the outer tapered surface 42.
Detailed Description
As shown in figures 1-10, the quick fire-fighting foam supply device for the chemical pipeline comprises a foam supply tank 1, wherein the foam supply tank 1 adopts an existing mechanism, a water interface and a foaming agent interface are arranged in the foam supply tank 1 to form mixed fire-fighting foam liquid, and the mixed fire-fighting foam liquid is stored through the foam supply tank 1.
Wherein, foam supply jar 1 is connected with coupling 3 through water supply pipe 2, and water supply pipe 2 is connected with water pump 4, and coupling 3 is connected with fire control core 5, and the outside seal cover of fire control core 5 is equipped with core sleeve pipe 6, and fire control foam liquid provides power through water pump 4, from foam supply jar 1 suction, then spouts from fire control core 5 and core sleeve pipe 6 after water supply pipe 2, forms above-mentioned various shapes to adapt to different water spray scope.
Specifically, in order to achieve the purpose of the different water spraying ranges, the inner wall of the core injection sleeve 6 is respectively provided with a first annular groove 7, a second annular groove 8 and a third annular groove 9, the first annular groove 7, the second annular groove 8 and the third annular groove 9 are sequentially arranged along the axial direction of the core injection sleeve 6, the first annular groove 7, the second annular groove 8 and the third annular groove 9 are respectively matched with the outer side of the fire-fighting core 5 to form a first water conveying cavity, a second water conveying cavity and a third water conveying cavity, and the core injection sleeve 6 is in sealing fit with the fire-fighting core 5, so that a first nozzle 10 to a third nozzle 12 are formed, and fire-fighting foam liquid cannot be sprayed out from a gap between the core injection sleeve 6 and the fire-fighting core 5.
The pipe wall of the core injection sleeve 6 is respectively provided with a first nozzle 10 and a second nozzle 11 which are communicated with the first water delivery cavity and the second water delivery cavity, the inclination angle of the first nozzle 10 is larger than that of the second nozzle 11, the inclination angle of the first nozzle 10 refers to an included angle between the axis of the first nozzle 10 and the axis of the core injection sleeve 6, the inclination angle of the second nozzle 11 refers to an included angle between the axis of the second nozzle 11 and the axis of the core injection sleeve 6, the inclination angle of the first nozzle 10 is larger relative to the inclination angle of the second nozzle 11, the range is larger, the sizes and the numbers of the first nozzle 10 and the second nozzle 11 directly influence the spraying distance of fire fighting foam liquid, and the pressure of the first nozzle 10 and the second nozzle 11 can change the position of the pressure valve core assembly 17, so that the pressures of the first nozzle 10 and the second nozzle are not larger than the water column pressure sprayed by the third nozzle 12.
The outer end of the third water conveying cavity forms a third nozzle 12, the third nozzle 12 is along the axial direction of the fire-fighting spray core 5, and the third nozzle 12 adopts an integral annular opening and is formed by the space between the fire-fighting spray core 5 and the spray core sleeve 6. The fire control spouts the first water inlet 13, the second water inlet 14, the third water inlet 15 of first water delivery chamber, second water delivery chamber, third water delivery chamber intercommunication have been seted up respectively on the pipe wall of core 5 to fire control, are used for respectively supplying water to the inside of first water delivery chamber, second water delivery chamber, third water delivery chamber, fire control spouts the inboard of core 5 and is formed with the straight column chamber 16 with coupling 3 intercommunication, the internal diameter of straight column chamber 16 is unanimous completely, be provided with pressure case subassembly 17 in the straight column chamber 16, pressure case subassembly 17 can be when opening one of them water inlet, seal other two water inlets.
In this embodiment, the inner wall of the fire-fighting nozzle 5 is axially provided with a semi-cylindrical chute 18, and the semi-cylindrical chute 18 is not completely semicircular, and its circumference is at least one half, so that it can play a certain limiting role on the sliding column, so that it slides inside and is not separated. The first water inlet 13, the second water inlet 14 and the third water inlet 15 all penetrate through the semicircular column-shaped chute 18, so that the corresponding water inlets can be sealed at the best when the sliding column passes through the water inlets. Specifically, the pressure spool assembly 17 includes a ball 19, a first spring 20, an elastic traction rope 21, a first spool 22, a pillar 23 and a second spool 24, the outer diameter of the ball 19 is just adapted to the inner diameter of the straight-pillar cavity 16, the first spool 22 is connected to the second spool 24 through the pillar 23, the surfaces of the first spool 22 and the second spool 24 are in sliding contact with the inner wall of the semicircular-pillar chute 18, the first spool 22 and the second spool 24 are coaxially and slidably arranged in the semicircular-pillar chute 18, the first spool 22 is connected to the ball 19 through the elastic traction rope 21, and the ball 19 is connected to the bottom end of the fire-fighting nozzle core 5 through the first spring 20.
Several water outlet conditions are briefly described here. Firstly, the water pump 4 does not provide any pressure, and the spheroid 19 sets up in the straight column chamber 16, is located the front side of first water inlet 13, carries out spacingly through the effect of first spring 20, and the nozzle does not go out water this moment, avoids the water source extravagant, also can avoid the dust entering.
Second, the water pump 4 provides a first gear pressure, the ball 19 compresses the first spring 20 and displaces a distance in the column cavity 16, the ball 19 is located between the first water outlet and the second water outlet, the pillar 23 is located at the first water outlet, the second water outlet is closed by the second slide column 24, only the first water outlet can discharge water, and water flow is ejected through the first nozzle 10.
Third, the water pump 4 provides the second gear pressure, the ball 19 compresses the first spring 20 and displaces a distance in the straight column cavity 16, at this time the ball 19 is located behind the second water outlet, the first water outlet is closed by the first slide column 22, the third water outlet is closed by the ball 19 because the semi-cylindrical chute 18 does not extend to the third water outlet, at this time only the second water outlet can discharge water, and the water flow is ejected through the second nozzle 11.
Fourth, the water pump 4 provides third gear pressure, the ball 19 compresses the first spring 20 and displaces a distance in the column cavity 16, at this time the first spring 20 is substantially in the maximum compression state, at this time the ball 19 is located behind the third water outlet, the first slide column 22 simultaneously closes the first water outlet and the second water outlet, only the third water outlet can discharge water, and water flow is ejected through the third nozzle 12.
In this embodiment, a second spring 25 is connected between the first sliding post 22 and the inner end of the semi-cylindrical sliding groove 18, the pretension of the second spring 25 is smaller than that of the first spring 20, and the second spring 25 provides a certain pretension for the first sliding post 22, so that the first sliding post 22 can ensure a certain distance, and the subsequent ball 19 can be controlled during operation.
In this embodiment, a slip ring 26 is rotatably fitted on the outer side of the fire-fighting nozzle core 5, the slip ring 26 is located in the third water transmission cavity, fan blades 27 are fixedly arranged on the slip ring 26, and a rotary ring groove 28 matched with the slip ring 26 is formed on the outer side of the fire-fighting nozzle core 5. Because the pressure of the water discharged from the third nozzle 12 is the greatest, the water discharge speed of the fire fighting foam liquid is the fastest, so that part of the foaming agent is sprayed out after not being fully mixed with the water, and the effect is probably less obvious. In this embodiment, the fan blades 27 can rotate around the axial direction of the fire-fighting spray core 5, so that when the fire-fighting foam liquid is sprayed out from the third nozzle 12, a certain stirring effect can be achieved on the fire-fighting foam liquid, and the formation of foam is promoted, so that the subsequent fire-fighting effect is better.
In this embodiment, an inner thread 29 is provided on an inner wall of one end of the core sleeve 6 far away from the third water delivery cavity, an outer thread 30 is correspondingly provided on an outer wall of the fire-fighting core 5, a first sealing ring 31 is provided between the first ring groove 7 and the second ring groove 8, and a second sealing ring 32 is provided between the second ring groove 8 and the third ring groove 9. By providing the first seal ring 31 and the second seal ring 32, the gap between the fire-fighting nozzle core 5 and the nozzle core sleeve 6 can be well sealed.
In this embodiment, the outside of fire control core 5 has been seted up spacing annular 33, the outside sliding fit of coupling 3 has lock sleeve 34, be connected with third spring 35 between lock sleeve 34 and the coupling 3, third spring 35 provides axial holding power for lock sleeve 34, let lock sleeve 34 can be in the outside of ball 36 constantly, the inboard butt of lock sleeve 34 has ball 36, ball 36 installs in spacing hole 37 that coupling 3 surface was seted up, under the butt effect of lock sleeve 34, ball 36 can go deep into spacing annular 33 in spacing fire control core 5. When the fire-fighting spray core 5 needs to be taken out, the lock sleeve 34 is axially moved to compress the third spring 35, the balls 36 lose restriction and can be loosened from the limiting ring groove 33, so that the fire-fighting spray core 5 can be taken out conveniently, and the effect of quick taking out can be achieved.
In this embodiment, the outside threaded connection that the pipe joint 3 kept away from fire control core 5 one end has screw sleeve 38, and the inside of screw sleeve 38 forms inboard conical surface 39, is provided with the clamp 40 between screw sleeve 38 and the pipe joint 3, and screw sleeve 38 can compress tightly the interface of clamp 40 in water supply pipe 2 through inboard conical surface 39 after screwing up. The pressing member 40 comprises an annular rubber ring, the rubber ring is sleeved on the outer side of the pipe joint 3, a plurality of strip-shaped deformation grooves 41 are formed in the rubber ring, and an outer conical surface 42 corresponding to the inner conical surface 39 is formed on the outer side of the rubber ring. The outer conical surface 42 can shrink the rubber ring inwards through the abutting action of the inner conical surface 39 so as to compress the water supply pipeline 2, and the water supply pipeline 2 is conveniently connected with the pipe joint 3.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The quick fire-fighting foam supply device for the chemical pipeline comprises a foam supply tank, and is characterized in that the foam supply tank is connected with a pipe joint through a water supply pipeline, the water supply pipeline is connected with a water pump, the pipe joint is connected with a fire-fighting spray core, and a spray core sleeve is arranged on the outer side of the fire-fighting spray core in a sealing sleeve manner; the inner wall of the spray core sleeve is respectively provided with a first annular groove, a second annular groove and a third annular groove, the first annular groove, the second annular groove and the third annular groove are respectively matched with the outer side of the fire-fighting spray core to form a first water conveying cavity, a second water conveying cavity and a third water conveying cavity, the pipe wall of the spray core sleeve is respectively provided with a first spout and a second spout which are communicated with the first water conveying cavity and the second water conveying cavity, the inclination angle of the first spout is larger than that of the second spout, the outer end of the third water conveying cavity forms a third spout, the pipe wall of the fire-fighting spray core is respectively provided with a first water inlet, a second water inlet and a third water inlet which are communicated with the first water conveying cavity, the second water conveying cavity and the third water conveying cavity, the inner side of the fire-fighting spray core is provided with a straight column cavity communicated with a pipe joint, and the pressure valve core component is arranged in the straight column cavity, and the pressure valve core component can seal the other two water inlets while opening the water inlets; the inner wall of the fire-fighting spray core is provided with a semi-cylindrical chute along the axial direction, the first water inlet, the second water inlet and the third water inlet all penetrate through the semi-cylindrical chute, the pressure valve core component comprises a ball body, a first spring, an elastic traction rope, a first sliding column, a support column and a second sliding column, the first sliding column is connected to the second sliding column through the support column, the first sliding column and the second sliding column are coaxially arranged in the semi-cylindrical chute in a sliding way, the first sliding column is connected to the ball body through the elastic traction rope, and the ball body is connected to the bottom end of the fire-fighting spray core through the first spring; a second spring is connected between the first sliding column and the inner end of the semicircular column sliding groove, and the pretension force of the second spring is smaller than that of the first spring; the outer side of the fire-fighting spray core is in rotary fit with a slip ring, the slip ring is positioned in the third water transmission cavity, fan blades are fixedly arranged on the slip ring, and a rotary ring groove matched with the slip ring is formed in the outer side of the fire-fighting spray core; the fire control spouts the outside of core and has seted up spacing annular, the outside sliding fit of coupling has the lock sleeve, be connected with the third spring between lock sleeve and the coupling, the inboard butt of lock sleeve has the ball, the ball is installed in the spacing downthehole of seting up on the coupling surface, under the butt effect of lock sleeve, the ball can go deep spacing to fire control spouts the core in the spacing annular.
2. The rapid chemical pipeline fire-fighting foam supply device according to claim 1, wherein an inner thread is formed in the inner wall of one end, far away from the third water delivery cavity, of the spray core sleeve, an outer thread is correspondingly formed in the outer wall of the fire-fighting spray core, a first sealing ring is arranged between the first annular groove and the second annular groove, and a second sealing ring is arranged between the second annular groove and the third annular groove.
3. The rapid chemical pipeline fire-fighting foam supply device according to claim 1 or 2, wherein the pipe joint is connected with a threaded sleeve in a threaded manner at the outer side of one end far away from the fire-fighting spray core, an inner conical surface is formed in the threaded sleeve, a pressing piece is arranged between the threaded sleeve and the pipe joint, and after the threaded sleeve is screwed, the pressing piece can be pressed on an interface of a water supply pipeline through the inner conical surface.
4. The rapid chemical pipeline fire-fighting foam supply device according to claim 3, wherein the pressing piece comprises an annular rubber ring, the rubber ring is sleeved on the outer side of the pipe joint, a plurality of strip-shaped deformation grooves are formed in the rubber ring, and an outer conical surface corresponding to the inner conical surface is formed on the outer side of the rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310440014.4A CN116271647B (en) | 2023-04-23 | 2023-04-23 | Quick supply device of chemical industry pipeline fire control foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310440014.4A CN116271647B (en) | 2023-04-23 | 2023-04-23 | Quick supply device of chemical industry pipeline fire control foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116271647A CN116271647A (en) | 2023-06-23 |
| CN116271647B true CN116271647B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310440014.4A Active CN116271647B (en) | 2023-04-23 | 2023-04-23 | Quick supply device of chemical industry pipeline fire control foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116271647B (en) |
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| CN112984126A (en) * | 2021-04-22 | 2021-06-18 | 九牧厨卫股份有限公司 | Valve core, connecting piece and water outlet device |
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| CN205977147U (en) * | 2016-08-30 | 2017-02-22 | 河南铁福来装备制造股份有限公司 | Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming |
| DE102019125685B4 (en) * | 2019-09-24 | 2021-08-12 | PUTZ INNOVA GmbH | Drill-extinguishing device and drilling-extinguishing system |
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| DE50304166D1 (en) * | 2002-12-11 | 2006-08-17 | Kaercher Gmbh & Co Kg Alfred | NOZZLE ARRANGEMENT FOR A HIGH PRESSURE CLEANER |
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| CN116271647A (en) | 2023-06-23 |
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