CN215438712U

CN215438712U - Negative pressure feeding equipment is used in production of ABC powder fire extinguishing agent

Info

Publication number: CN215438712U
Application number: CN202121767946.2U
Authority: CN
Inventors: 张雪梅; 汪徐春; 程年寿; 张玉洋; 卢思迪
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-01-07
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses negative pressure feeding equipment for ABC powder fire extinguishing agent production, which comprises a support, wherein a negative pressure bin is fixedly arranged at the upper end of the support, a discharge pipe is fixedly connected at the lower end of the negative pressure bin in a penetrating manner through the support, an electromagnetic valve is arranged inside the discharge pipe, a support column is arranged at the corner of the bottom of the support, a vacuum pump is fixedly arranged at the upper end of the negative pressure bin, a filter screen is fixedly connected to the inner side of the negative pressure bin, a through hole is formed in the left side of the negative pressure bin, and a crushing mechanism is arranged on the left side of the negative pressure bin. By adopting the structure, the smoke in the negative pressure bin is conveyed into the water in the water tank through the second connecting pipe by the exhaust fan through the first connecting pipe, the smoke is released through water, and the smoke powder is exhausted through the exhaust pipe at the upper end of the water tank after being adsorbed by the water, so that the smoke in the negative pressure bin can be treated, the phenomenon of flying smoke dust in the feeding process can be avoided, and the effect of improving the peripheral production environment is further achieved.

Description

Negative pressure feeding equipment is used in production of ABC powder fire extinguishing agent

Technical Field

The utility model belongs to the field of fire extinguishing agents, and particularly relates to negative-pressure feeding equipment for ABC powder fire extinguishing agent production.

Background

A fire refers to a catastrophic combustion event that loses control over time or space. Among various disasters, a fire is one of the main disasters that most often and generally threaten public safety and social development, and conventional fires are generally classified into three types, a type a being a solid matter fire, a type B being a liquid fire or a meltable solid matter fire, and a type C being a gas fire. The fire extinguishing agent is prepared with superfine chemical powder and through the reaction of the chemical powder on the burning matter to break the burning chain and terminate burning. The application range of the fire extinguishing agent is wide.

However, the powder fire extinguishing agent is mainly conveyed by negative pressure equipment in the production process, but the traditional negative pressure equipment cannot filter and crush the raw materials in the feeding process, and the negative pressure cabin of the raw materials is filled with smoke dust in the conveying process, so that the smoke dust is not treated, and the environment is easily polluted.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems mentioned in the background technology, the utility model aims to provide a negative-pressure feeding device for producing an ABC powder extinguishing agent, so as to solve the problems that the raw materials cannot be filtered and crushed in the feeding process and the smoke is large in the feeding process.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a negative pressure feeding equipment is used in production of ABC powder fire extinguishing agent, includes the support, the upper end fixed mounting of support has the negative pressure storehouse, the lower extreme in negative pressure storehouse runs through support fixedly connected with discharging pipe, the internally mounted of discharging pipe has the solenoid valve, the pillar is installed to the bottom corner of support, the upper end fixed mounting in negative pressure storehouse has the vacuum pump, the inboard fixedly connected with filter screen in negative pressure storehouse, the left side in negative pressure storehouse is equipped with the through-hole, the left side in negative pressure storehouse is located the through-hole outside and is equipped with broken mechanism, the right side fixedly connected with inlet pipe in negative pressure storehouse, the top in negative pressure storehouse is equipped with dust removal mechanism.

Further, as preferred technical scheme, the bottom fixedly connected with cylinder of support, the upper end of pillar is equipped with the bullet groove, the inboard fixedly connected with spring in bullet groove, the lower extreme of cylinder stretches into the upper end fixed connection who plays inslot side and spring, the left and right sides of support lower extreme all is equipped with the spacing groove, the upper end both sides fixedly connected with quarter butt of pillar, the inboard fixedly connected with stopper in spacing groove is stretched into to the upper end of quarter butt, stopper sliding connection is in the inboard of spacing groove.

Further, as preferred technical scheme, broken mechanism includes broken case and quick-witted case, broken case fixed connection is in the left side in negative pressure storehouse, machine case fixed connection is in the left side of broken case, the inboard of broken case rotates respectively and is connected with first roll body and second roll body, the axle head of first roll body stretches into the first gear of quick-witted incasement side fixedly connected with, the axle head of second roll body stretches into quick-witted incasement side fixedly connected with second gear, first gear and second gear meshing are connected, the inboard fixed mounting of machine case has the motor, the output of motor and the axle head fixed connection of second gear, the lower extreme fixedly connected with hopper of broken case, the other end of hopper and the left side fixed connection in negative pressure storehouse.

Further, as preferred technical scheme, the filter screen is from the right side to left downward sloping setting, the filter screen left end is located the bottom of through-hole, the right side and the through-hole of broken case communicate with each other, the lower extreme and the fill that falls of broken case communicate with each other.

Further, as preferred technical scheme, dust removal mechanism includes air exhauster and water tank, the equal fixed mounting of air exhauster and water tank is in the upper end in negative pressure storehouse, the first connecting pipe of one end fixedly connected with of air exhauster, the other end of first connecting pipe and the upper end fixed connection in negative pressure storehouse, the other end fixedly connected with second connecting pipe of air exhauster, the other end and the water tank fixed connection of second connecting pipe, the second connecting pipe is the vertical form and stretches into the water tank inboard, the upper end of water tank is equipped with the blast pipe.

Further, as preferred technical scheme, the front of water tank is equipped with the observation window, one side bottom of water tank still is equipped with the drain pipe of taking the valve.

Further, as preferred technical scheme, the lower extreme fixedly connected with mounting panel of pillar, the rubber cushion pad of taking anti-skidding screw thread is pasted to the bottom of mounting panel.

Further, as preferred technical scheme, the tip fixed connection metal rack of feed pipe, the lower extreme of metal rack is the opening form.

In summary, the utility model mainly has the following beneficial effects:

the first negative pressure bin filters large particles in raw materials through the inclined filter screen, then the massive raw materials enter the crushing box along the inclined filter screen along the through hole to be extruded and crushed, and then the crushed raw materials are conveyed back to the negative pressure bin through the material dumping hopper, so that the negative pressure bin can be crushed and refined in the raw material conveying process, and the feeding efficiency can be improved;

secondly, the smoke in the negative pressure bin is conveyed into the water in the water tank through the second connecting pipe by the exhaust fan through the first connecting pipe, the smoke is released through water, and the smoke powder is exhausted through the exhaust pipe at the upper end of the water tank after being adsorbed by the water, so that the smoke in the negative pressure bin can be treated, the phenomenon of flying smoke dust in the feeding process can be avoided, and the effect of improving the peripheral production environment is further achieved;

third, utilize cylinder bullet inslot and spring coupling on the pillar, can play the effect of shock attenuation noise control through the support is indirect to the negative pressure storehouse, and the spring takes place to warp the back simultaneously, and the stopper on the quarter butt rubs at spacing inslot and slides, carries out the friction consumption to the reaction force that the spring fluctuates, makes the shock resistance in negative pressure storehouse more stable to can effectively reduce the produced vibration noise of pay-off in-process.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top plan view of the motor of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

Reference numerals: 1. mounting panel, 2, pillar, 3, support, 4, filter screen, 5, negative pressure storehouse, 6, solenoid valve, 7, discharging pipe, 8, crushing mechanism, 801, crushing case, 802, quick-witted case, 803, first roll body, 804, pouring hopper, 805, second roll body, 806, first gear, 807, second gear, 808, motor, 9, inlet pipe, 10, metal net rack, 11, vacuum pump, 12, dust removal mechanism, 121, first connecting pipe, 122, second connecting pipe, 123, air exhauster, 124, blast pipe, 125, water tank, 13, observation window, 14, spacing groove, 15, stopper, 16, quarter butt, 17, cylinder, 18, elastic groove, 19, spring, 20, through-hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, this embodiment a negative pressure feeding equipment is used in production of ABC powder fire extinguishing agent, including support 3, the upper end fixed mounting of support 3 has negative pressure storehouse 5, the lower extreme in negative pressure storehouse 5 runs through support 3 fixedly connected with discharging pipe 7, the internally mounted of discharging pipe 7 has solenoid valve 6, pillar 2 is installed to the bottom corner of support 3, the upper end fixed mounting in negative pressure storehouse 5 has vacuum pump 11, the inboard fixedly connected with filter screen 4 in negative pressure storehouse 5, the left side in negative pressure storehouse 5 is equipped with through-hole 20, the left side in negative pressure storehouse 5 is located the through-hole 20 outside and is equipped with breaker 8, the right side fixedly connected with inlet pipe 9 in negative pressure storehouse 5, the top in negative pressure storehouse 5 is equipped with dust removal mechanism 12.

The negative pressure bin 5 generates feeding suction force after generating negative pressure through the vacuum pump 11, after feeding through the feeding pipe 9, the feeding is filtered and crushed through the crushing mechanism 8, large particles in the raw materials can be filtered and crushed in an extruding mode, and feeding efficiency can be improved; meanwhile, when the negative pressure bin 5 produces smoke in the feeding process, the smoke is filtered through the dust removal mechanism 12, so that the effect of improving the environmental quality can be achieved.

Referring to fig. 2, on the basis of embodiment 1, in order to achieve the purpose of avoiding the smoke from diffusing to affect the environment during feeding, the present embodiment has an innovative design on the dust removing mechanism 12, specifically, the dust removing mechanism 12 includes an exhaust fan 123 and a water tank 125, the exhaust fan 123 and the water tank 125 are both fixedly installed at the upper end of the negative pressure bin 5, one end of the exhaust fan 123 is fixedly connected with a first connecting pipe 121, the other end of the first connecting pipe 121 is fixedly connected with the upper end of the negative pressure bin 5, the other end of the exhaust fan 123 is fixedly connected with a second connecting pipe 122, the other end of the second connecting pipe 122 is fixedly connected with the water tank 125, the second connecting pipe 122 vertically extends into the inside of the water tank 125, an exhaust pipe 124 is arranged at the upper end of the water tank 125, the smoke in the negative pressure bin 5 is conveyed to the water in the water tank 125 through the second connecting pipe 122 by the exhaust fan 123 through the first connecting pipe 121, the smoke is released through water, and the smoke powder is adsorbed by the water, then discharged through the exhaust pipe 124 at the upper end of the water tank 125; the first connection pipe 121 is provided with a check valve, and is controlled by an external controller, so that the negative pressure environment of the negative pressure bin 5 is not affected.

Referring to fig. 2-3, in this embodiment, on the basis of embodiment 1, in order to achieve the purpose of filtering and crushing, the crushing mechanism 8 is innovatively designed, specifically, the crushing mechanism 8 includes a crushing box 801 and a cabinet 802, the crushing box 801 is fixedly connected to the left side of the negative pressure bin 5, the cabinet 802 is fixedly connected to the left side of the crushing box 801, the inner side of the crushing box 801 is rotatably connected to a first roller 803 and a second roller 805, respectively, a shaft end of the first roller 803 extends into the inner side of the cabinet 802 to be fixedly connected to a first gear 806, a shaft end of the second roller 805 extends into the inner side of the cabinet 802 to be fixedly connected to a second gear 807, the first gear 806 is meshed with the second gear 807, a motor 808 is fixedly mounted on the inner side of the cabinet 802, an output end of the motor 808 is fixedly connected to a shaft end of the second gear 807, a lower end of the crushing box 801 is fixedly connected to a material pouring hopper 804, the other end of the material pouring hopper 804 is fixedly connected to the left side of the negative pressure bin 5, big granule in the raw materials of inhaling is filtered through filter screen 4 in the negative pressure storehouse 5, then cubic raw materials gets into broken case 801 through-hole 20 along slope filter screen 4, and owing to set up second gear 807 on the second roll body 805, motor 808 drives second roll body 805 through second gear 807 axial part and rotates, and first gear 806 on the first roll body 803 of second gear 807 linkage rotates to the centre simultaneously, make inside first roll body 803 of broken case 801 and second roll body 805 can smash the big granule after the hopper 804 carries back negative pressure storehouse 5, can improve the efficiency of pay-off.

Referring to fig. 1, in order to achieve the purpose of conveniently observing the inside of the water tank 125, a drain pipe with a valve is further disposed at the bottom end of one side of the water tank 125, and the observing window 13 is disposed on the front side of the water tank 125, so that the amount of water and the adsorption condition in the water tank 125 can be conveniently observed.

Referring to fig. 1, in order to achieve the purpose of improving the stability of the lower end of the pillar 2, the lower end of the pillar 2 of the present embodiment is fixedly connected with a mounting plate 1, a shock-absorbing rubber pad with anti-skid threads is pasted at the bottom of the mounting plate 1, the mounting plate 1 and the shock-absorbing rubber pad are arranged at the lower end of the pillar 2, the force-bearing area of the lower end of the pillar 2 can be further increased, and the stabilizing effect is improved.

Referring to fig. 2, in order to achieve the purpose of facilitating the feeding pipe 9 to convey the raw material, the end of the feeding pipe 9 is fixedly connected to the metal net rack 10, the lower end of the metal net rack 10 is open, and the metal net rack 10 is arranged at the lower end of the feeding pipe 9, so that the feeding pipe 9 can conveniently convey the raw material better.

The use principle and the advantages are as follows: when in use, the metal net rack 10 on the feeding pipe 9 is firstly placed into a raw material box, the negative pressure bin 5 generates suction force due to negative pressure under the cooperation of the vacuum pump 11, the raw material is sucked into the negative pressure bin 5 under the cooperation of the metal net rack 10 of the feeding pipe 9 and then is separated by a separator, large particles in the sucked raw material are filtered by the filter screen 801, then the blocky raw material enters the crushing box 801 through the through hole 20 along the inclined filter screen 4, the second roller 805 is provided with the second gear 807, the motor 808 drives the second roller 805 to rotate through the shaft part of the second gear 807, the second gear 807 is linked with the first gear 806 on the first roller 803 to rotate towards the middle, so that the first roller 803 and the second roller 805 in the crushing box 801 can crush the large particles, then the large particles are conveyed back to the negative pressure bin 5 by the material pouring hopper 804, and then the discharge pipe 7 is controlled by the electromagnetic valve 6 to discharge the large particles, a large amount of smoke can be generated in the negative pressure bin 5 in the feeding process, the smoke in the negative pressure bin 5 is conveyed to the water in the water tank 125 through the second connecting pipe 122 by the exhaust fan 123 through the first connecting pipe 121, the smoke is released through water, the smoke powder is exhausted through the exhaust pipe 124 at the upper end of the water tank 125 after being absorbed by the water, the smoke in the negative pressure bin 5 can be processed, vibration noise can be generated in the feeding process of the negative pressure bin 5, the cylinder 17 is connected with the spring 19 in the elastic groove 18 on the support column 2, and meanwhile, after the spring 19 deforms, the limiting block 15 slides in the limiting groove 14 in a friction mode, the friction consumption is carried out on the fluctuating reaction force of the spring 19, the damping performance of the negative pressure bin 5 is more stable, and the damping and noise prevention effects can be achieved on the negative pressure bin 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ABC powder is negative pressure feeding equipment for fire extinguishing agent production which characterized in that: including support (3), the upper end fixed mounting of support (3) has negative pressure storehouse (5), the lower extreme of negative pressure storehouse (5) runs through support (3) fixedly connected with discharging pipe (7), the internally mounted of discharging pipe (7) has solenoid valve (6), pillar (2) are installed to the bottom corner of support (3), the upper end fixed mounting of negative pressure storehouse (5) has vacuum pump (11), the inboard fixedly connected with filter screen (4) of negative pressure storehouse (5), the left side of negative pressure storehouse (5) is equipped with through-hole (20), the left side in negative pressure storehouse (5) is located through-hole (20) outside and is equipped with crushing mechanism (8), the right side fixedly connected with inlet pipe (9) of negative pressure storehouse (5), the top in negative pressure storehouse (5) is equipped with dust removal mechanism (12).

2. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 1, wherein: the bottom fixedly connected with cylinder (17) of support (3), the upper end of pillar (2) is equipped with bullet groove (18), inboard fixedly connected with spring (19) of bullet groove (18), the lower extreme of cylinder (17) stretches into the upper end fixed connection of bullet groove (18) inboard and spring (19), the left and right sides of support (3) lower extreme all is equipped with spacing groove (14), the upper end both sides fixedly connected with quarter butt (16) of pillar (2), inboard fixedly connected with stopper (15) of spacing groove (14) are stretched into to the upper end of quarter butt (16), stopper (15) sliding connection is in the inboard of spacing groove (14).

3. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 1, wherein: the crushing mechanism (8) comprises a crushing box (801) and a case (802), the crushing box (801) is fixedly connected to the left side of the negative pressure bin (5), the case (802) is fixedly connected to the left side of the crushing box (801), the inner side of the crushing box (801) is respectively and rotatably connected with a first roller body (803) and a second roller body (805), the shaft end of the first roller body (803) extends into the inner side of the case (802) and is fixedly connected with a first gear (806), the shaft end of the second roller body (805) extends into the inner side of the case (802) and is fixedly connected with a second gear (807), the first gear (806) and the second gear (807) are meshed and connected, the inner side of the case (802) is fixedly provided with a motor (808), the output end of the motor (808) is fixedly connected with the shaft end of the second gear (807), the lower end of the crushing box (801) is fixedly connected with a material pouring hopper (804), the other end of the material pouring hopper (804) is fixedly connected with the left side of the negative pressure bin (5).

4. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 3, wherein: filter screen (4) are from right side to left side downward sloping setting, filter screen (4) left end is located the bottom of through-hole (20), the right side and through-hole (20) of broken case (801) communicate with each other, the lower extreme and the pouring hopper (804) of broken case (801) communicate with each other.

5. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 1, wherein: dust removal mechanism (12) are including air exhauster (123) and water tank (125), the equal fixed mounting in the upper end in negative pressure storehouse (5) of air exhauster (123) and water tank (125), the first connecting pipe (121) of one end fixedly connected with of air exhauster (123), the other end of first connecting pipe (121) and the upper end fixed connection in negative pressure storehouse (5), the other end fixedly connected with second connecting pipe (122) of air exhauster (123), the other end and water tank (125) fixed connection of second connecting pipe (122), second connecting pipe (122) are the vertical form and stretch into water tank (125) inboardly, the upper end of water tank (125) is equipped with blast pipe (124).

6. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 5, wherein: the front of water tank (125) is equipped with observation window (13), one side bottom of water tank (125) still is equipped with the drain pipe of taking the valve.

7. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 1, wherein: the lower extreme fixedly connected with mounting panel (1) of pillar (2), the rubber gasket of taking anti-skidding screw thread is pasted to the bottom of mounting panel (1).

8. The negative pressure feeding device for producing the ABC powder extinguishing agent as claimed in claim 1, wherein: the end part of the feeding pipe (9) is fixedly connected with a metal net rack (10), and the lower end of the metal net rack (10) is in an open shape.