CN114225291A - Foam extinguishing agent and preparation method thereof - Google Patents
Foam extinguishing agent and preparation method thereof Download PDFInfo
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- CN114225291A CN114225291A CN202210028696.3A CN202210028696A CN114225291A CN 114225291 A CN114225291 A CN 114225291A CN 202210028696 A CN202210028696 A CN 202210028696A CN 114225291 A CN114225291 A CN 114225291A
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- kettle body
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0071—Foams
- A62D1/0085—Foams containing perfluoroalkyl-terminated surfactant
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- 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
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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Abstract
The invention belongs to the technical field of fire extinguishing agents, and particularly relates to a foam extinguishing agent and a manufacturing method thereof, wherein the foam extinguishing agent comprises the following steps: s1, sequentially adding the perfluorooctyl quaternary ammonium iodide, the sodium dodecyl sulfate, the buffering agent and the ethylene glycol into the reaction kettle according to the proportion, finally adding 20 parts of water, and driving the stirring unit to stir the raw materials through the stirring motor (11); s2, adding a foaming agent, a buffering agent and a catalyst of corresponding components into the reaction kettle, heating and stirring the mixture, adding water of the rest components after the mixture is uniformly stirred, and stirring until the mixture is completely dissolved in the water; s3, adjusting the pH value of the mixed solution to be neutral, then settling, cooperating with an air cylinder (15) to push a scraper (18) to clean the inner wall of the reaction kettle, so that the reactants are layered and gradually filtered through a liquid discharge hole (12), and the foam extinguishing agent can be obtained; the cylinder scraper plate moves downwards and scrapes the residual sediment on the inner wall of the kettle body, so that the collection efficiency of the fire extinguishing agent is increased, and the impurity residue on the inner wall of the kettle body is reduced.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing agents, and particularly relates to a foam extinguishing agent and a manufacturing method thereof.
Background
The fire extinguishing principle of the foam fire extinguisher is that a great amount of carbon dioxide and foam can be sprayed out when the fire is extinguished, and the carbon dioxide and the foam can be adhered to combustible substances to isolate the combustible substances from air, so that the purpose of extinguishing the fire is achieved. The foam fire extinguisher is divided into: portable foam extinguishers, cart-based foam extinguishers and air-based foam extinguishers.
A Chinese patent with publication number CN108853862A discloses an environment-friendly aqueous film-forming foam extinguishing agent and a preparation method thereof, wherein the extinguishing agent comprises the following components in parts by weight: 5-10 parts of water-soluble ammonium polyphosphate, 5-10 parts of urea, 0.5-1 part of xanthan gum, 2-10 parts of cocamidopropyl betaine, 10-10 parts of APG2, 10-15 parts of modified sodium nano-cellulose, 0.25-1.5 parts of perfluorohexyl sulfonyl betaine, 2-6 parts of amphoteric fluorinated acrylate emulsion, 2-5 parts of buffering agent and 35-75 parts of deionized water. The product prepared by the invention does not contain high-boiling-point organic solvent and non-degradable nonionic surfactant, greatly reduces the dosage of fluorinated alkyl betaine surfactant, reduces the pollution damage to the environment, and has the advantages of high foaming multiple, short fire extinguishing time, long burning resistance time and stable foam.
However, in the prior art, after the solution in the reaction kettle is kept stand and precipitated, the liquid discharge hole is opened to filter and precipitate and collect the foam extinguishing agent, but more precipitates are easily adhered to the side wall of the reaction kettle, and the precipitates adsorb part of the extinguishing agent to cause the residue of the extinguishing agent in the kettle body, and meanwhile, the cleaning work of the reaction kettle is increased, so that the proportioning precision of the raw materials is influenced when the reaction kettle is repeatedly produced.
Therefore, the invention provides a foam extinguishing agent and a manufacturing method thereof.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a foam extinguishing agent, which consists of the following components in parts by weight: 3-5 parts of perfluorooctyl quaternary ammonium iodide, 2-3 parts of urea, 15-20 parts of a foaming agent, 8-10 parts of sodium dodecyl sulfate, 4-6 parts of a catalyst, 12-15 parts of a buffering agent, 45-50 parts of water and 3-6 parts of ethylene glycol.
A method for producing a foam fire extinguishing agent, which is used for producing the foam fire extinguishing agent, comprising the steps of:
s1, sequentially adding the perfluorooctyl quaternary ammonium iodide, the sodium dodecyl sulfate, the buffering agent and the ethylene glycol into the reaction kettle according to the proportion, finally adding 20 parts of water, and driving the stirring unit to stir the raw materials through the stirring motor;
s2, adding a foaming agent, a buffering agent and a catalyst of corresponding components into the reaction kettle, heating and stirring the mixture, adding water of the rest components after the mixture is uniformly stirred, and stirring until the mixture is completely dissolved in the water;
s3, adjusting the pH value of the mixed solution to be neutral, then settling, cooperating with an air cylinder to push a scraper to clean the inner wall of the reaction kettle, so that the reactants are layered and gradually filtered through a liquid discharge hole, and the foam extinguishing agent can be obtained;
the reaction kettle in the S1 comprises a kettle body and a stirring motor, wherein a liquid discharge hole is formed in the bottom of the kettle body; the top of the kettle body is fixedly connected with a stirring motor through a top cover, and a feeding hole is formed in the top cover; the output end of the stirring motor is fixedly connected with a stirring unit extending to the inside of the kettle body; a group of cylinders are uniformly distributed on the top cover, and piston rods of the cylinders penetrate through the top cover and extend into the kettle body; a sliding ring attached to the inner wall of the kettle body is connected in the kettle body in a sliding mode, the sliding ring is fixedly connected with the piston rod, a group of arc-shaped scraping plates are uniformly distributed on the circumference of the bottom of the sliding ring, and the scraping plates are attached to the inner wall of the kettle body; when the device is used, after a solution in a reaction kettle is kept stand and precipitated in the prior art, a liquid discharge hole is opened to filter and precipitate and collect a foam extinguishing agent, but more precipitates are easily adhered to the side wall of the reaction kettle, and the precipitates adsorb part of the extinguishing agent to cause the residue of the extinguishing agent in the kettle body, and simultaneously, the cleaning work of the reaction kettle is increased, so that the original proportioning precision is reduced when the reaction kettle is repeatedly produced; at the moment, the piston rod is driven by the air cylinder to slide downwards, then the shaking slip ring and the scraper plate move downwards and scrape the sediment remained on the inner wall of the kettle body, so that the sediment falls off and participates in the filtering action, the collection efficiency of the fire extinguishing agent is increased, the impurity residue on the inner wall of the kettle body is reduced, the proportioning precision of the raw materials is further ensured when the reaction kettle is repeatedly used, and the cleaning labor intensity of the reaction kettle is reduced.
Preferably, the bottom of the kettle body is funnel-shaped, the bottom of the scraper is provided with a sharp corner, and the scraper is made of an elastic material; a circular hole is formed in the middle of the scraper, and a through groove penetrating through the sharp corner is formed in the sharp corner at the lower part of the circular hole; elastic deformation is generated and the scraper is folded after the sharp corner slides downwards and passes through the bottom of the funnel-shaped kettle body, so that the adjacent scraper plates are completely covered after deformation and scrape the residual sediment at the bottom of the kettle body, the discharge efficiency of the sediment at the bottom of the kettle body is further increased, and the residue is reduced.
Preferably, a group of sliding rods are uniformly distributed on the periphery of the kettle body and on the circumference of the corresponding position of the round hole, and the sliding rods penetrate through sliding holes formed in the kettle body and are in sliding sealing connection with the sliding holes; one side of the slide hole close to the center of the kettle body is provided with a conical countersunk head part, and the end part of the slide rod is matched with the countersunk head part; a water inlet hole is formed in the sliding rod, and a group of spray holes are uniformly distributed on the circumference of the position, corresponding to the countersunk head, of the bottom of the water inlet hole; electromagnets are embedded in the positions, corresponding to the countersunk head parts, of the end parts of the sliding rods; the water inlet hole is communicated with the water supply unit; inject the water under high pressure into the inlet opening through the water supply unit, later the heavy head portion of water under high pressure jack-up, make the slide bar overcome after the appeal of electro-magnet, the slide bar slides to the direction that is close to cauldron body center, make orifice blowout high-speed rivers clear up cauldron internal wall, further increase the clean efficiency of the cauldron body, the slide bar embedding that stretches out simultaneously leads to the inslot, deposit to leading to the inslot and mixing with in the round hole washes, further guarantee the closed effect of leading to groove and closed angle, omission when reducing the closed angle and scraping shovel the cauldron body bottom.
Preferably, the periphery of the kettle body is fixedly connected with a toothed ring, an annular frame is sleeved on the toothed ring, and the annular frame wraps the toothed ring and is in sliding connection with the top surface of the toothed ring; the annular frame is fixedly connected with a driving motor, one end of an output shaft of the driving motor, which is positioned at the annular frame, is fixedly connected with a first gear, and the first gear is meshed with the toothed ring; the bottom of the annular frame is fixedly connected with an arc-shaped plate, and the arc-shaped plate is connected with the end part of the sliding column in a sliding manner; drive a gear through driving motor, and then drive annular frame circular motion, protection to the ring gear through the annular frame, adhesion dust on the reduction ring gear, and then reduce the dust and adsorb in the lubricating oil of ring gear periphery, guarantee the lubricated effect of ring gear, drive the arc through the ring gear and constantly rotate, the slide bar that the arc constantly rotates and extrudees the corresponding position, make the slide bar slide and spray water to cauldron body central direction in proper order, the using water wisely, increase the impact force of spout department rivers, further evenly wash the whole circumference of cauldron internal wall, further reduce the precipitate and pile up at cauldron internal wall.
Preferably, the water supply unit includes a water tank and a water pump; one side of the annular frame is fixedly connected with a water tank, the bottom of the water tank is fixedly connected with a water pump through a support, and a water inlet of the water pump is communicated with the bottom of the water tank; an arc-shaped groove is formed in one side, close to the sliding rod, of the arc-shaped plate and is communicated with a water outlet pipe of the water pump; water in the water tank is sucked through the water pump and then is discharged through the water outlet pipe, and the water pump is controlled by the controller to work intermittently, so that the water pump is started when the arc-shaped plate is in contact with the sliding rod, the electric energy is further saved, and the waste of water resources is reduced.
Preferably, a fan-shaped fluted disc is fixedly connected to the bottom of the annular frame at a position corresponding to the driving motor, and a second gear is fixedly connected to the periphery of the sliding rod at a position corresponding to the fluted disc; when the fan-shaped fluted disc passes through the slide bar, the fluted disc drives the second gear to rotate, so that water flow sprayed from the spray holes continuously rotates to be swept, and the cleaning effect of the water flow on the scraper and the inner wall of the kettle body is further improved.
Preferably, one end of the water inlet hole, which is close to the spray hole, is connected with a semi-annular sliding pipe matched with the water inlet hole in a sliding mode, and one side, which is close to the electromagnet, of the sliding pipe is fixedly connected with a first magnetic block; an arc second magnetic block is embedded in the kettle body at the lower part of the countersunk head part; when the slide bar slides in the direction far away from the center of the kettle body and closes the spray hole, the second magnetic block attracts the slide pipe, so that the slide pipe slides to the lower part of the water inlet hole to block the spray hole close to the lower part, and further the spray hole close to the upper part sprays water in a delayed manner, the scouring strength of the inner wall of the kettle body on the upper part of the slide bar is increased, the adhesion of the residual water flow doped sediment on the inner wall of the upper part of the kettle body on the slide bar is further reduced, and the influence of the sediment on the sealing performance of the countersunk head is reduced.
Preferably, a clamping groove is formed in one end, away from the first magnetic block, of the sliding pipe, an elastic flow guide ring is clamped in the clamping groove, and the section of the flow guide ring is in wedge-shaped arrangement; a blind hole is formed in the inner wall of the clamping groove, which is close to the center of the sliding pipe, an ejector rod is connected in the blind hole in a sliding mode, and a spring is fixedly connected between the ejector rod and the bottom of the blind hole; the end part of the ejector rod props against the flow guide ring; increase the guide to the downthehole rivers of intaking through the water conservancy diversion ring, reduce the water flow resistance, the cooperation electro-magnet repels a magnetic path when circular telegram, further keeps the slide pipe all to need the water spray formula at all orifices, the slide pipe is in inlet opening middle part position, pushes away the ejector pin through the spring top simultaneously, and then makes the direction deflection that the water conservancy diversion ring is close to the downthehole wall of intaking, further increases the leakproofness between slide pipe and the inlet opening, reduces the slide pipe shake that rivers arouse, guarantees the water spray efficiency of orifice.
Preferably, a semicircular water chute is formed in the position, close to the upper part, of the circular hole, and small balls are fixedly connected to the inner wall of the water chute, close to the two ends, of the water chute through elastic ropes; a group of arc-shaped holes are communicated with the positions, close to the side faces of the sharp corners, of the water guide grooves, and one ends, close to the side walls of the sharp corners, of the arc-shaped holes incline downwards; drive the orifice after sliding through the slide bar and move the round hole and correspond the position, later be close to spout in the orifice on upper portion and follow the arc hole blowout behind the guiding gutter, further reduce the precipitate of gathering between the adjacent scraper blade, guarantee the smooth closure of scraper blade, strike the bobble through rivers simultaneously for the elasticity rope constantly stretches out and draws back, drives the bobble striking guiding gutter lateral wall, increases the vibration spatula efficiency of scraper blade.
The invention has the following beneficial effects:
1. according to the foam extinguishing agent and the manufacturing method thereof, the piston rod is driven to slide downwards through the air cylinder, then the shaking slip ring and the scraper plate move downwards and scrape the sediment remained on the inner wall of the kettle body, so that the sediment falls and participates in the filtering action, the collection efficiency of the extinguishing agent is increased, the impurity residue on the inner wall of the kettle body is reduced, the proportioning precision of raw materials is further ensured when the reaction kettle is repeatedly used, and the labor intensity for cleaning the reaction kettle is reduced.
2. According to the foam extinguishing agent and the manufacturing method thereof, the guide ring is used for increasing the guide of water flow in the water inlet, the water flow resistance is reduced, the electromagnet is matched to repel the first magnetic block when being electrified, the sliding pipe is further kept in a water spraying mode at all spray holes, the sliding pipe is positioned in the middle of the water inlet, the ejector rod is pushed by the spring, the guide ring is further deflected towards the direction close to the inner wall of the water inlet, the sealing performance between the sliding pipe and the water inlet is further increased, the sliding pipe shake caused by the water flow is reduced, and the water spraying efficiency of the spray holes is ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is a schematic view of the slip ring and scraper configuration of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 at A;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is a cross-sectional view of the flight of the present invention;
in the figure: the device comprises a kettle body 1, a stirring motor 11, a liquid discharge hole 12, a top cover 13, a feed inlet 14, an air cylinder 15, a piston rod 16, a sliding ring 17, a scraping plate 18, sharp corners 19, round holes 2, a through groove 21, a sliding rod 22, a sliding hole 23, a countersunk head 24, a water inlet 25, spray holes 26, an electromagnet 27, a gear ring 3, an annular frame 31, a driving motor 32, a first gear 33, an arc plate 34, a water tank 35, a water pump 36, an arc groove 37, a water outlet pipe 38, a fluted disc 39, a second gear 4, a sliding pipe 41, a first magnetic block 42, a second magnetic block 43, a clamping groove 44, a flow guide ring 45, a blind hole 46, a push rod 47, a water guide groove 5, an elastic rope 51, a small ball 52 and an arc hole 53.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 3, a foam extinguishing agent according to an embodiment of the present invention comprises the following components by weight: 3-5 parts of perfluorooctyl quaternary ammonium iodide, 2-3 parts of urea, 15-20 parts of a foaming agent, 8-10 parts of sodium dodecyl sulfate, 4-6 parts of a catalyst, 12-15 parts of a buffering agent, 45-50 parts of water and 3-6 parts of ethylene glycol.
A method for producing a foam fire extinguishing agent, which is used for producing the foam fire extinguishing agent, comprising the steps of:
s1, sequentially adding the perfluorooctyl quaternary ammonium iodide, the sodium dodecyl sulfate, the buffering agent and the ethylene glycol into the reaction kettle according to the proportion, finally adding 20 parts of water, and driving the stirring unit to stir the raw materials through the stirring motor 11;
s2, adding a foaming agent, a buffering agent and a catalyst of corresponding components into the reaction kettle, heating and stirring the mixture, adding water of the rest components after the mixture is uniformly stirred, and stirring until the mixture is completely dissolved in the water;
s3, adjusting the pH value of the mixed solution to be neutral, then settling, cooperating with the air cylinder 15 to push the scraper 18 to clean the inner wall of the reaction kettle, so that the reactants are layered and gradually filtered through the liquid discharge hole 12, and the foam extinguishing agent can be obtained;
the reaction kettle in the S1 comprises a kettle body 1 and a stirring motor 11, wherein a liquid discharge hole 12 is formed in the bottom of the kettle body 1; the top of the kettle body 1 is fixedly connected with a stirring motor 11 through a top cover 13, and the top cover 13 is provided with a feeding hole 14; the output end of the stirring motor 11 is fixedly connected with a stirring unit extending into the kettle body 1; a group of air cylinders 15 are uniformly distributed on the top cover 13, and piston rods 16 of the air cylinders 15 penetrate through the top cover 13 and extend into the kettle body 1; a slip ring 17 attached to the inner wall of the kettle body 1 is slidably connected in the kettle body 1, the slip ring 17 is fixedly connected with a piston rod 16, a group of arc-shaped scrapers 18 are uniformly distributed on the circumference of the bottom of the slip ring 17, and the scrapers 18 are attached to the inner wall of the kettle body 1; when the device is used, after a solution in a reaction kettle is kept stand and precipitated in the prior art, the liquid discharge hole 12 is opened to filter and precipitate and collect a foam extinguishing agent, but more precipitates are easily adhered to the side wall of the reaction kettle, and the precipitates adsorb part of the extinguishing agent, so that the extinguishing agent in the kettle body 1 is remained, meanwhile, the cleaning work of the reaction kettle is increased, and the original proportioning precision is reduced when the reaction kettle is repeatedly produced; at the moment, the piston rod 16 is driven to slide downwards by the air cylinder 15, then the shaking slip ring 17 and the scraper plate 18 move downwards and scrape the sediment remained on the inner wall of the kettle body 1, so that the sediment falls and participates in the filtering action, the collection efficiency of the fire extinguishing agent is increased, the impurity residue on the inner wall of the kettle body 1 is reduced, the proportioning precision of the raw materials is further ensured when the reaction kettle is repeatedly used, and the labor intensity for cleaning the reaction kettle is reduced.
As shown in fig. 4, the bottom of the kettle body 1 is funnel-shaped, the bottom of the scraper 18 is provided with a sharp corner 19, and the scraper 18 is made of an elastic material; a circular hole 2 is formed in the middle of the scraper 18, and a through groove 21 penetrating through the sharp corner 19 is formed in the sharp corner 19 at the lower part of the circular hole 2; after sliding downwards through the sharp corner 19, the downward sliding scraper generates elastic deformation and draws in the downward sliding scraper when passing through the bottom of the funnel-shaped kettle body 1, so that the adjacent scrapers 18 completely cover and scrape the residual sediment at the bottom of the kettle body 1 after being deformed, the discharge efficiency of the sediment at the bottom of the kettle body 1 is further increased, and the residue is reduced.
As shown in fig. 2 to 5, a group of slide bars 22 are uniformly distributed on the periphery of the kettle body 1 at the positions corresponding to the circular holes 2, and the slide bars 22 penetrate through slide holes 23 formed in the kettle body 1 and are connected with the slide holes 23 in a sliding and sealing manner; one side of the slide hole 23 close to the center of the kettle body 1 is provided with a conical countersunk head part 24, and the end part of the slide rod 22 is matched with the countersunk head part 24; a water inlet 25 is formed in the slide bar 22, and a group of spray holes 26 are uniformly distributed at the bottom of the water inlet 25 and the circumference of the position corresponding to the countersunk head 24; an electromagnet 27 is embedded in the position, corresponding to the countersunk head part 24, of the end part of the sliding rod 22; the water inlet 25 is communicated with a water supply unit; inject the water under high pressure into inlet opening 25 through the water supply unit, later high pressure water pushes up out countersunk head portion 24, make after slide bar 22 overcomes electro-magnet 27's appeal, slide bar 22 slides to the direction that is close to cauldron body 1 center, make orifice 26 blowout high-speed rivers clear up cauldron body 1 inner wall, further increase the clean efficiency of cauldron body 1, the slide bar 22 embedding that stretches out simultaneously leads to in the groove 21, to leading to the sediment that mix with in groove 21 and the round hole 2 and wash, further guarantee the closed effect of leading to groove 21 and closed angle 19, reduce the omission when closed angle 19 scrapes the shovel to cauldron body 1 bottom.
The periphery of the kettle body 1 is fixedly connected with a toothed ring 3, an annular frame 31 is sleeved on the toothed ring 3, and the annular frame 31 wraps the toothed ring 3 and is in sliding connection with the top surface of the toothed ring 3; the annular frame 31 is fixedly connected with a driving motor 32, one end of an output shaft of the driving motor 32, which is positioned on the annular frame 31, is fixedly connected with a first gear 33, and the first gear 33 is meshed with the toothed ring 3; the bottom of the annular frame 31 is fixedly connected with an arc-shaped plate 34, and the arc-shaped plate 34 is connected with the end part of the sliding rod 22 in a sliding manner; drive No. one gear 33 through driving motor 32, and then drive annular frame 31 circular motion, protection to ring gear 3 through annular frame 31, reduce adhesion dust on the ring gear 3, and then reduce the dust and adsorb in the lubricating oil of ring gear 3 periphery, guarantee the lubricated effect of ring gear 3, drive arc 34 through ring gear 3 and constantly rotate, the slide bar 22 of corresponding position is constantly rotated and extrudeed to arc 34, make slide bar 22 slide and spray water to cauldron body 1 central direction in proper order, the using water wisely, increase the impact force of orifice 26 department rivers, further evenly wash cauldron body 1 inner wall whole circumference, further reduce the precipitate and pile up at cauldron body 1 inner wall.
The water supply unit includes a water tank 35 and a water pump 36; a water tank 35 is fixedly connected to one side of the annular frame 31, a water pump 36 is fixedly connected to the bottom of the water tank 35 through a support, and a water inlet of the water pump 36 is communicated with the bottom of the water tank 35; an arc-shaped groove 37 is formed in one side, close to the slide bar 22, of the arc-shaped plate 34, and the arc-shaped groove 37 is communicated with a water outlet pipe 38 of the water pump 36; water in the water tank 35 is pumped by the water pump 36 and then discharged through the water outlet pipe 38, and the water pump 36 is controlled by the controller to work intermittently, so that the water pump 36 is started when the arc-shaped plate 34 is in contact with the slide bar 22, electric energy is further saved, and waste of water resources is reduced.
A fan-shaped fluted disc 39 is fixedly connected to the bottom of the annular frame 31 at a position corresponding to the driving motor 32, and a second gear 4 is fixedly connected to the periphery of the sliding rod 22 at a position corresponding to the fluted disc 39; when the fan-shaped fluted disc 39 passes through the sliding rod 22, the fluted disc 39 drives the second gear 4 to rotate, so that water flow sprayed from the spray holes 26 continuously rotates to sweep, and the cleaning effect of the water flow on the scraper 18 and the inner wall of the kettle body 1 is further improved.
As shown in fig. 6, one end of the water inlet 25 close to the nozzle 26 is slidably connected with a semi-annular sliding pipe 41 matched with the water inlet 25, and one side of the sliding pipe 41 close to the electromagnet 27 is fixedly connected with a first magnetic block 42; an arc second magnetic block 43 is embedded in the kettle body 1 at the lower part of the countersunk head part 24; when the sliding rod 22 slides in the direction far away from the center of the kettle body 1 and closes the spray holes 26, the second magnetic block 43 attracts the sliding pipe 41, so that the sliding pipe 41 slides to the lower part of the water inlet 25 to block the spray holes 26 close to the lower part, the spray holes 26 close to the upper part spray water in a delayed manner, the scouring force on the inner wall of the kettle body 1 on the upper part of the sliding rod 22 is increased, the adhesion of water flow doped sediment remained on the inner wall of the upper part of the kettle body 1 on the sliding rod 22 is further reduced, and the influence of the sediment on the sealing performance of the countersunk head part 24 is reduced.
A clamping groove 44 is formed in one end, away from the first magnetic block 42, of the sliding pipe 41, an elastic flow guide ring 45 is clamped in the clamping groove 44, and the section of the flow guide ring 45 is in wedge-shaped arrangement; a blind hole 46 is formed in the inner wall of the clamping groove 44 close to the center of the sliding tube 41, an ejector rod 47 is connected in the blind hole 46 in a sliding mode, and a spring is fixedly connected between the ejector rod 47 and the bottom of the blind hole 46; the end part of the ejector rod 47 props against the flow guide ring 45; increase the guide to the interior rivers of inlet opening 25 through water conservancy diversion ring 45, reduce the water flow resistance, it repels No. one magnetic path 42 to cooperate electro-magnet 27 when circular telegram, further keep slide pipe 41 all to need the water spray formula at all orifice 26, slide pipe 41 is in inlet opening 25 middle part position, push up ejector pin 47 through the spring top simultaneously, and then make water conservancy diversion ring 45 to the direction deflection that is close to the inlet opening 25 inner wall, further increase the leakproofness between slide pipe 41 and the inlet opening 25, reduce the shake of slide pipe 41 that rivers arouse, guarantee the water spray efficiency of orifice 26.
Example two
As shown in fig. 7, a first comparative example, in which another embodiment of the present invention is: a semi-annular water chute 5 is formed in the position, close to the upper part, of the circular hole 2, and small balls 52 are fixedly connected to the inner wall of the position, close to the two ends, of the water chute 5 through elastic ropes 51; a group of arc-shaped holes 53 are communicated with the positions, close to the side faces of the sharp corners 19, of the water guide grooves 5, and one ends, close to the side walls of the sharp corners 19, of the arc-shaped holes 53 incline downwards; the sliding rod 22 slides to drive the spray holes 26 to move to the positions corresponding to the circular holes 2, then water flow sprayed from the spray holes 26 close to the upper portion is sprayed out from the arc-shaped holes 53 after passing through the water chute 5, precipitates accumulated between the adjacent scraping plates 18 are further reduced, smooth closing of the scraping plates 18 is guaranteed, meanwhile, the elastic rope 51 continuously stretches and retracts to drive the small balls 52 to impact the side walls of the water chute 5, and the vibration scraping efficiency of the scraping plates 18 is improved.
When the device works, the piston rod 16 is driven to slide downwards through the air cylinder 15, then the shaking slip ring 17 and the scraper plate 18 move downwards and scrape the sediment remained on the inner wall of the kettle body 1, so that the sediment falls and participates in the filtering action, the collection efficiency of the fire extinguishing agent is increased, the impurity residue on the inner wall of the kettle body 1 is reduced, the proportioning precision of raw materials is further ensured when the reaction kettle is repeatedly used, and the cleaning labor intensity of the reaction kettle is reduced; after sliding downwards through the sharp corner 19, the downward sliding plate elastically deforms and folds at the bottom of the funnel-shaped kettle body 1, so that the adjacent scraping plates 18 completely cover and scrape the residual sediments at the bottom of the kettle body 1 after deforming, the discharge efficiency of the sediments at the bottom of the kettle body 1 is further increased, and the residues are reduced; high-pressure water is injected into the water inlet 25 through the water supply unit, then the countersunk head 24 is jacked open by the high-pressure water, so that after the slide rod 22 overcomes the attraction force of the electromagnet 27, the slide rod 22 slides towards the direction close to the center of the kettle body 1, high-speed water flow sprayed from the spray holes 26 cleans the inner wall of the kettle body 1, the cleaning efficiency of the kettle body 1 is further increased, meanwhile, the extended slide rod 22 is embedded into the through groove 21, sediments mixed in the through groove 21 and the round hole 2 are washed, the closing effect of the through groove 21 and the sharp corner 19 is further ensured, and omission of the sharp corner 19 in scraping the bottom of the kettle body 1 is reduced; the first gear 33 is driven by the driving motor 32, so that the annular frame 31 is driven to do circular motion, the annular frame 31 protects the toothed ring 3, dust adhered to the toothed ring 3 is reduced, the dust is further reduced to be adsorbed in lubricating oil on the periphery of the toothed ring 3, the lubricating effect of the toothed ring 3 is ensured, the toothed ring 3 drives the arc plate 34 to continuously rotate, the arc plate 34 continuously rotates and extrudes the slide rod 22 at the corresponding position, the slide rod 22 sequentially slides towards the center direction of the kettle body 1 and sprays water, water is saved, the impact force of water flow at the spray hole 26 is increased, the whole circumference of the inner wall of the kettle body 1 is further uniformly washed, and the sediment accumulation on the inner wall of the kettle body 1 is further reduced; the water in the water tank 35 is pumped by the water pump 36 and then discharged by the water outlet pipe 38, and the water pump 36 is controlled by the controller to work intermittently, so that the water pump 36 is started when the arc-shaped plate 34 is in contact with the slide bar 22, the electric energy is further saved, and the waste of water resources is reduced; when the fan-shaped fluted disc 39 passes through the sliding rod 22, the fluted disc 39 drives the second gear 4 to rotate, so that water flow sprayed from the spray holes 26 continuously rotates and is swept, and the cleaning effect of the water flow on the scraper 18 and the inner wall of the kettle body 1 is further improved; when the sliding rod 22 slides in the direction far away from the center of the kettle body 1 and closes the spray holes 26, the second magnetic block 43 attracts the sliding pipe 41, so that the sliding pipe 41 slides to the lower part of the water inlet 25 to block the spray holes 26 close to the lower part, the spray holes 26 close to the upper part spray water in a delayed manner, the scouring force on the inner wall of the kettle body 1 at the upper part of the sliding rod 22 is increased, the water flow doped sediment remained on the inner wall at the upper part of the kettle body 1 is further reduced to be adhered to the sliding rod 22, and the influence of the sediment on the sealing performance of the countersunk head part 24 is reduced; increase the guide to the interior rivers of inlet opening 25 through water conservancy diversion ring 45, reduce the water flow resistance, it repels No. one magnetic path 42 to cooperate electro-magnet 27 when circular telegram, further keep slide pipe 41 all to need the water spray formula at all orifice 26, slide pipe 41 is in inlet opening 25 middle part position, push up ejector pin 47 through the spring top simultaneously, and then make water conservancy diversion ring 45 to the direction deflection that is close to the inlet opening 25 inner wall, further increase the leakproofness between slide pipe 41 and the inlet opening 25, reduce the shake of slide pipe 41 that rivers arouse, guarantee the water spray efficiency of orifice 26.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A foam extinguishing agent is characterized in that: the composition comprises the following components in parts by weight: 3-5 parts of perfluorooctyl quaternary ammonium iodide, 2-3 parts of urea, 15-20 parts of a foaming agent, 8-10 parts of sodium dodecyl sulfate, 4-6 parts of a catalyst, 12-15 parts of a buffering agent, 45-50 parts of water and 3-6 parts of ethylene glycol.
2. A method of producing a fire foam as defined in claim 1, which is used for producing the fire foam as defined in claim 1, characterized in that: the method comprises the following steps:
s1, sequentially adding the perfluorooctyl quaternary ammonium iodide, the sodium dodecyl sulfate, the buffering agent and the ethylene glycol into the reaction kettle according to the proportion, finally adding 20 parts of water, and driving the stirring unit to stir the raw materials through the stirring motor (11);
s2, adding a foaming agent, a buffering agent and a catalyst of corresponding components into the reaction kettle, heating and stirring the mixture, adding water of the rest components after the mixture is uniformly stirred, and stirring until the mixture is completely dissolved in the water;
s3, adjusting the pH value of the mixed solution to be neutral, then settling, cooperating with an air cylinder (15) to push a scraper (18) to clean the inner wall of the reaction kettle, so that the reactants are layered and gradually filtered through a liquid discharge hole (12), and the foam extinguishing agent can be obtained;
the reaction kettle in the S (1) comprises a kettle body (1) and a stirring motor (11), and a liquid discharge hole (12) is formed in the bottom of the kettle body (1); the top of the kettle body (1) is fixedly connected with a stirring motor (11) through a top cover (13), and a feeding hole (14) is formed in the top cover (13); the output end of the stirring motor (11) is fixedly connected with a stirring unit extending into the kettle body (1); a group of air cylinders (15) are uniformly distributed on the top cover (13), and piston rods (16) of the air cylinders (15) penetrate through the top cover (13) and extend into the kettle body (1); the kettle is characterized in that a sliding ring (17) attached to the inner wall of the kettle body (1) is connected to the kettle body (1) in a sliding mode, the sliding ring (17) is fixedly connected with a piston rod (16), a group of arc-shaped scraping plates (18) are evenly distributed on the circumference of the bottom of the sliding ring (17), and the scraping plates (18) are attached to the inner wall of the kettle body (1).
3. The method of claim 2, wherein the step of forming the foam fire-extinguishing agent comprises: the bottom of the kettle body (1) is funnel-shaped, the bottom of the scraper (18) is provided with a sharp corner (19), and the scraper (18) is made of elastic material; a round hole (2) is formed in the middle of the scraper (18), and a through groove (21) penetrating through the sharp corner (19) is formed in the sharp corner (19) at the lower part of the round hole (2).
4. A method of producing a fire foam according to claim 3, wherein: a group of sliding rods (22) are uniformly distributed on the periphery of the kettle body (1) at the position corresponding to the circular hole (2) on the circumference, and the sliding rods (22) penetrate through sliding holes (23) formed in the kettle body (1) and are in sliding sealing connection with the sliding holes (23); one side of the slide hole (23) close to the center of the kettle body (1) is provided with a conical countersunk head part (24), and the end part of the slide rod (22) is matched with the countersunk head part (24); a water inlet hole (25) is formed in the sliding rod (22), and a group of spray holes (26) are uniformly distributed at the bottom of the water inlet hole (25) and the circumference of the corresponding position of the countersunk head part (24); an electromagnet (27) is embedded in the position, corresponding to the countersunk head part (24), of the end part of the sliding rod (22); the water inlet hole (25) is communicated with a water supply unit.
5. The method of claim 4, wherein the step of preparing the foam fire extinguishing agent comprises: the outer periphery of the kettle body (1) is fixedly connected with a toothed ring (3), an annular frame (31) is sleeved on the toothed ring (3), and the annular frame (31) wraps the toothed ring (3) and is in sliding connection with the top surface of the toothed ring (3); the annular frame (31) is fixedly connected with a driving motor (32), one end of an output shaft of the driving motor (32), which is positioned on the annular frame (31), is fixedly connected with a first gear (33), and the first gear (33) is meshed with the toothed ring (3); the bottom of the annular frame (31) is fixedly connected with an arc-shaped plate (34), and the arc-shaped plate (34) is connected with the end part of the sliding rod (22) in a sliding manner.
6. The method of claim 5, wherein the step of preparing the foam fire-extinguishing agent comprises: the water supply unit comprises a water tank (35) and a water pump (36); one side of the annular frame (31) is fixedly connected with a water tank (35), the bottom of the water tank (35) is fixedly connected with a water pump (36) through a support, and a water inlet of the water pump (36) is communicated with the bottom of the water tank (35); an arc-shaped groove (37) is formed in one side, close to the sliding rod (22), of the arc-shaped plate (34), and the arc-shaped groove (37) is communicated with a water outlet pipe (38) of the water pump (36).
7. The method of claim 6, wherein the step of preparing the foam fire-extinguishing agent comprises: the bottom of the annular frame (31) is fixedly connected with a fan-shaped fluted disc (39) at a position corresponding to the driving motor (32), and the periphery of the sliding rod (22) is fixedly connected with a second gear (4) at a position corresponding to the fluted disc (39).
8. The method of claim 7, wherein the step of forming the fire foam further comprises: one end of the water inlet hole (25) close to the spray hole (26) is connected with a semi-annular sliding pipe (41) matched with the water inlet hole (25) in a sliding mode, and one side, close to the electromagnet (27), of the sliding pipe (41) is fixedly connected with a first magnetic block (42); an arc second magnet (43) is embedded in the kettle body (1) at the lower part of the countersunk head part (24).
9. The method of claim 8, wherein the step of forming the fire foam further comprises: one end of the sliding pipe (41) far away from the first magnetic block (42) is provided with a clamping groove (44), an elastic flow guide ring (45) is clamped in the clamping groove (44), and the section of the flow guide ring (45) is in wedge-shaped arrangement; a blind hole (46) is formed in the inner wall of the clamping groove (44) close to the center side of the sliding pipe (41), an ejector rod (47) is connected in the blind hole (46) in a sliding mode, and a spring is fixedly connected between the ejector rod (47) and the bottom of the blind hole (46); the end part of the ejector rod (47) props against the flow guide ring (45).
10. A method of producing a fire foam according to claim 3, wherein: a semicircular water chute (5) is formed in the position, close to the upper part, of the circular hole (2), and small balls (52) are fixedly connected to the inner wall of the water chute (5) close to the two ends through elastic ropes (51); and a group of arc-shaped holes (53) are communicated with the side surface of the closed angle (19) close to the water chute (5), and one end of each arc-shaped hole (53) close to the side wall of the closed angle (19) is downwards inclined.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210028696.3A CN114225291B (en) | 2022-01-11 | 2022-01-11 | Foam extinguishing agent and manufacturing method thereof |
| CN202211374767.1A CN115814722A (en) | 2022-01-11 | 2022-01-11 | Method for preparing foam extinguishing agent |
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| CN202210028696.3A CN114225291B (en) | 2022-01-11 | 2022-01-11 | Foam extinguishing agent and manufacturing method thereof |
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| CN114225291B CN114225291B (en) | 2023-06-16 |
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| CN202211374767.1A Pending CN115814722A (en) | 2022-01-11 | 2022-01-11 | Method for preparing foam extinguishing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116197196A (en) * | 2023-04-04 | 2023-06-02 | 重庆大学 | Cell waste liquid collection device |
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| CN104971461A (en) * | 2015-06-15 | 2015-10-14 | 厦门安港消防科技有限公司 | Foam extinguishing agent |
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| CN213528335U (en) * | 2020-09-25 | 2021-06-25 | 浙江九本环保技术有限公司 | Multifunctional stirring kettle for grinding dispersant |
| CN213964904U (en) * | 2020-11-26 | 2021-08-17 | 辽宁成冠消防科技有限公司 | Mixing arrangement is used in foam extinguishing agent production |
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| CN104971461A (en) * | 2015-06-15 | 2015-10-14 | 厦门安港消防科技有限公司 | Foam extinguishing agent |
| US20200060327A1 (en) * | 2016-07-21 | 2020-02-27 | Roger Waters | Method and apparatus for increased recovery of oil from lemons and other citrus fruit using desporption |
| CN206935361U (en) * | 2017-06-12 | 2018-01-30 | 陕西允中实业发展有限公司 | The titanium reactor of easy cleaning |
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| CN213528335U (en) * | 2020-09-25 | 2021-06-25 | 浙江九本环保技术有限公司 | Multifunctional stirring kettle for grinding dispersant |
| CN213964904U (en) * | 2020-11-26 | 2021-08-17 | 辽宁成冠消防科技有限公司 | Mixing arrangement is used in foam extinguishing agent production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116197196A (en) * | 2023-04-04 | 2023-06-02 | 重庆大学 | Cell waste liquid collection device |
| CN116197196B (en) * | 2023-04-04 | 2024-06-07 | 重庆大学 | Cell waste liquid collection device |
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| Publication number | Publication date |
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| CN114225291B (en) | 2023-06-16 |
| CN115814722A (en) | 2023-03-21 |
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