CN210170727U

CN210170727U - Multifunctional fire-extinguishing air guide pipe with functions of wind power, spraying and foam fire extinguishing

Info

Publication number: CN210170727U
Application number: CN201822204389.8U
Authority: CN
Inventors: Ping Sheng; 盛平; Lu Zhang; 张露
Original assignee: TAIZHOU YULIN POWER MACHINERY CO Ltd
Current assignee: TAIZHOU YULIN POWER MACHINERY CO Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-03-24
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a multipurpose fire-extinguishing air duct with the functions of air spraying, mist spraying and foam spraying, when atomization fire-extinguishing is needed, water is dispersed and sprayed out from a water source in a cavity (6) under the action of the spraying of a plurality of nozzles (9) and the wind power discharged by an air duct (1), and the dispersed and sprayed water can be further changed into a refined mist shape through the collision of an impeller (10); when foam is required to be sprayed for fire extinguishment, the impeller (10) is detached, air is exhausted from an air outlet of the fan volute and an air outlet end (4) of the air guide cylinder (1) while water source is input into the chamber (6), the water source containing the foam agent in the chamber (6) is sprayed out through the spraying of the plurality of nozzles (9) and the action of wind power exhausted from the air guide cylinder (1), and the sprayed water source containing the foam agent is sprayed out through the filter screen (12) to form foam for fire extinguishment.

Description

Multifunctional fire-extinguishing air guide pipe with functions of wind power, spraying and foam fire extinguishing

Technical Field

The utility model relates to a multifunctional fire-extinguishing air duct with wind power, spraying and foam fire extinguishing functions.

Background

The fire extinguishing spray pipe of the existing wind fire extinguisher can only be used for wind fire extinguishing, the fire extinguishing mode can only extinguish fire in a small range, the fire extinguishing effect is poor, and the fire extinguishing effect cannot be realized under the condition of low wind speed.

Disclosure of Invention

The utility model provides a multi-functional air duct of putting out a fire with wind-force, spraying and foam are put out a fire, it can effectively combine wind-force, spraying and foam for an apparatus in the operation of putting out a fire both can use wind-force to put out a fire, also can use spraying and foam to put out a fire, has improved fire control effect and convenience greatly.

The utility model adopts the following technical scheme: a multipurpose fire-extinguishing air duct with air-spraying, spraying and foam-spraying functions is provided with an air duct, one end of the air duct is an air inlet end, the air inlet end of the air duct is communicated with an air outlet of a fan volute, the other end of the air duct is provided with an air outlet end, a nozzle assembly is arranged at the port of the air outlet end and is positioned at the center of the air outlet end of the air duct, the nozzle assembly comprises an outlet and a pipeline I, the outlet mainly comprises a cavity, one end of the cavity is communicated with a water tank sequentially through the pipeline I and the pipeline II, the other end of the cavity is provided with a baffle, a plurality of nozzles are distributed around the baffle and are arranged on a shell of the cavity in a divergent manner to be communicated with the cavity, when wind power fire extinguishment is needed, wind is directly output from the air outlet of the fan volute and then is discharged through the air outlet end of the air duct to, a water source is put into the water tank, the water source is input into the cavity through the pipeline II and the pipeline I after being output, the air is exhausted from the air outlet of the fan volute and the air outlet end of the air guide cylinder while the water source is input into the cavity, the impeller is arranged on the outer side of the baffle and connected with the baffle through a connecting piece, inclined blades distributed around the impeller correspond to the nozzles, the water source in the cavity is sprayed out through the spraying of the nozzles and the wind power discharged from the air guide cylinder, and the sprayed water can be further changed into a refined mist shape through the collision of the impeller; when foam is required to be sprayed for fire extinguishment, the impeller is detached, a front sleeve is connected to the air outlet end of the air guide cylinder, the front sleeve is detachably connected with the air guide cylinder, a filter screen is arranged in the front sleeve, a gap is arranged between the filter screen and the spray head assembly, the filter screen is opposite to the nozzle, a foaming agent is placed in a water source in the water tank, the water source containing the foaming agent in the water tank is output and then sequentially input into the cavity through a pipeline II and a pipeline I, air is exhausted from the air outlet of the fan volute and the air outlet end of the air guide cylinder while the water source is input into the cavity, the water source containing the foaming agent in the cavity is sprayed out through the spraying of the nozzles and the wind power exhausted from the air guide cylinder, and the sprayed water source containing the foaming agent is sprayed out through the filter screen to.

The connecting piece set up to connecting screw, the impeller passes through connecting screw and is in the same place with the separation blade concatenations, is relative with the filter screen in connecting screw's one end, the one end that connecting screw and filter screen are relative stands the filter screen and back the outstanding arc that is. The mesh number of the filter screen is 100 meshes. And a switch valve is arranged at the outlet of the water tank. Two L-shaped clamping grooves are formed in two sides of the front sleeve, a butterfly bolt is arranged on the air guide cylinder, the width of the butterfly bolt is larger than that of the L-shaped clamping grooves, and the air guide cylinder is clamped in the L-shaped clamping grooves by rotating a butterfly knob and then detachably connected with the front sleeve. The chamber is arranged as a conical chamber. The impeller and the chamber are concentrically distributed. The front half part of the air duct is set to be a square cylinder, one end of the square cylinder is an air inlet end communicated with an air outlet of the fan volute, the rear half part of the air duct is a round cylinder, one end of the round cylinder is detachably connected with the front sleeve when foam is sprayed for fire extinguishing, and arc transition is formed between the square cylinder and the round cylinder. The front sleeve is a circular cylinder.

The utility model discloses following beneficial effect has: after having adopted above technical scheme, the utility model discloses can carry out organic integration on the guide duct with wind-force, three kinds of functions of putting out a fire of thin water smoke and foam, application range has not only been enlarged like this, realize effectual putting out a fire under a plurality of circumstances, the efficiency of the improvement of maximize is put out a fire, the long-time of work of putting out a fire has been guaranteed, can realize spraying the foam through the installation filter screen when the foamant and put out a fire, can realize atomizing when aqueous and put out a fire, can realize wind-force when the condition that does not have foamant and water and put out a fire, and the effect of putting out a fire has been improved, can cover inflammable substance after the foam is put out a fire. The utility model discloses be equipped with both sides on the front casing and be equipped with two draw-in grooves, be equipped with the knob on the guide duct, the width of knob is greater than the width of draw-in groove, the guide duct with through rotating knob card in the card be connected for dismantling with the front casing, made things convenient for the installation between guide duct and the front casing when the operation of putting out a fire like this. The utility model discloses be equipped with the impeller in the outside of separation blade, the impeller passes through the connecting piece and links together with the separation blade, and the slant blade that distributes around the impeller is corresponding with the nozzle, can improve the shaping efficiency of water smoke like this, has guaranteed the effect that water smoke formed. The utility model discloses worn the ejector pin in the connecting screw, the one end of ejector pin withstands after stretching out connecting screw and pushes up the filter screen into the arc, improves the shaping efficiency of foam like this.

Drawings

Fig. 1 is a schematic structural diagram of the utility model when atomization fire extinguishing and wind fire extinguishing are required.

Fig. 2 is a schematic structural diagram of the utility model when foam spraying is needed to extinguish fire.

Fig. 3 is a schematic connection diagram of the showerhead assembly of the present invention.

Fig. 4 is a cross-sectional view of the showerhead assembly of the present invention.

Detailed Description

In fig. 1, 2, 3 and 4, the utility model provides a multipurpose fire-extinguishing air duct with air-spraying, mist-spraying and foam-spraying functions, which is provided with an air duct 1, one end of the air duct 1 is an air inlet end 2, the air inlet end 2 of the air duct 1 is communicated with an air outlet of a fan volute, the other end of the air duct 1 is provided with an air outlet end 4, a nozzle assembly is arranged at the port of the air outlet end 4 and is positioned at the central position of the air outlet end 4 of the air duct 1, the nozzle assembly comprises an outlet and a pipeline I5, the outlet mainly comprises a cavity 6, one end of the cavity 6 is communicated with a water tank 7 through the pipeline I5 and the pipeline II 3 in sequence, the other end of the cavity 6 is provided with a baffle plate 8, a plurality of nozzles 9 are distributed around the baffle plate 8, the plurality of nozzles 9 are divergently arranged on the shell of the cavity 6 and are communicated with the cavity 6, the method comprises the following steps that wind is directly output from an air outlet 3 of a fan volute and then is discharged through an air outlet end 4 of an air guide cylinder 1, fire extinguishing operation is carried out, when atomization fire extinguishing is needed, a water source is placed in a water tank 7, the water source is output and then is input into a chamber 6 through a pipeline II 3 and a pipeline I5 in sequence, the water source is exhausted from the air outlet of the fan volute and the air outlet end 4 of the air guide cylinder 1 while being input into the chamber 6, an impeller 10 is arranged on the outer side of a baffle 8, the impeller 10 is connected with the baffle 8 through a connecting piece, oblique blades 11 distributed around the impeller 10 correspond to nozzles 9, the water source in the chamber 6 is sprayed out through spraying of a plurality of nozzles 9 and the action of wind power discharged from the air guide cylinder 1, and the sprayed water can be further changed into a fine mist; when foam is required to be sprayed for fire extinguishment, the impeller 10 is detached, the air outlet end of the air guide cylinder 1 is connected with a front sleeve 16, the front sleeve 16 is detachably connected with the air guide cylinder 1, a filter screen 12 is arranged in the front sleeve 16, a gap 13 is arranged between the filter screen 12 and the nozzle assembly, the filter screen 12 is opposite to the nozzle 9, a foaming agent is put in a water source in the water tank 7, the water source containing the foaming agent in the water tank 7 is output and then sequentially input into the chamber 6 through a pipeline II 3 and a pipeline I5, air is exhausted from the air outlet of the volute of the fan and the air outlet end 4 of the air guide cylinder 1 while the water source is input into the chamber 6, the water source containing the foaming agent in the chamber 6 is sprayed out through the spraying of the plurality of nozzles 9 and the wind power discharged from the air guide cylinder 1, the sprayed water source containing the foaming agent passes through the filter screen 12 to form foam for fire extinguishment, the connecting, the impeller 10 is connected with the baffle plate 8 in series through a connecting screw rod 14, one end of the connecting screw rod 14 is opposite to the filter screen 12, the end of the connecting screw rod 14 opposite to the filter screen 12 is propped against the filter screen 12 and protrudes out in an arc shape, the mesh number of the filter screen 12 is 100, a switch valve 17 is arranged at the outlet of the water tank 7, two L-shaped clamping grooves 18 are arranged on two sides of the front sleeve 16, a butterfly bolt 19 is arranged on the air guide cylinder 1, the width of the butterfly bolt 19 is larger than that of the L-shaped clamping grooves 18, the air guide cylinder 1 is detachably connected with the front sleeve 3 after being clamped in the L-shaped clamping grooves 18 by rotating the butterfly knob 19, the cavity 6 is arranged to be a conical cavity, the impeller 10 and the cavity 6 are concentrically distributed, the front half part of the air guide cylinder 1 is arranged to be a square cylinder, one end of the square cylinder is an air inlet, the rear half part of the air duct 1 is a circular cylinder, one end of the circular cylinder is detachably connected with the front sleeve 16 when foam is sprayed for fire extinguishing, arc transition is formed between the square cylinder and the circular cylinder, and the front sleeve 16 is a circular cylinder.

Claims

1. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions is characterized by being provided with an air guide cylinder (1), wherein one end of the air guide cylinder (1) is provided with an air inlet end (2), the air inlet end (2) of the air guide cylinder (1) is communicated with an air outlet of a fan volute, the other end of the air guide cylinder (1) is provided with an air outlet end (4), a port of the air outlet end (4) is provided with a spray head assembly, the spray head assembly is positioned at the central position of the air outlet end (4) of the air guide cylinder (1) and comprises an outlet and a pipeline I (5), the outlet mainly comprises a cavity (6), one end of the cavity (6) is communicated with a water tank (7) through a pipeline I (5) and a pipeline II (3) in sequence, the other end of the cavity (6) is provided with a baffle (8), a plurality of nozzles (9) are distributed around the baffle (8), and the plurality of nozzles (9) are arranged on, when wind power fire extinguishment is needed, wind is directly output from an air outlet of a fan volute and then is discharged through an air outlet end (4) of an air guide cylinder (1) to carry out fire extinguishment, when atomization fire extinguishment is needed, a water source is put into a water tank (7), the water source is output and then is input into a chamber (6) through a pipeline II (3) and a pipeline I (5), the water source is simultaneously input into the chamber (6) and exhausted from the air outlet of the fan volute and the air outlet end (4) of the air guide cylinder (1), an impeller (10) is arranged on the outer side of a baffle (8), the impeller (10) is connected with the baffle (8) through a connecting piece, oblique blades (11) distributed around the impeller (10) correspond to nozzles (9), the water source in the chamber (6) is sprayed out through the spraying of a plurality of nozzles (9) and the wind power discharged by the air guide cylinder (1), the divergent spraying water can be further changed into fine fog through the collision of the impeller (10); when foam is required to be sprayed for fire extinguishment, the impeller (10) is detached, the air outlet end of the air guide cylinder (1) is connected with a front sleeve (16), the front sleeve (16) is detachably connected with the air guide cylinder (1), a filter screen (12) is arranged in the front sleeve (16), a gap (13) is arranged between the filter screen (12) and the spray head assembly, the filter screen (12) is opposite to the nozzle (9), a foaming agent is put in a water source in the water tank (7), the water source containing the foaming agent in the water tank (7) is output and then sequentially input into the chamber (6) through a pipeline II (3) and a pipeline I (5), air is exhausted from the air outlet of the fan volute and the air outlet end (4) of the air guide cylinder (1) while the water source is input into the chamber (6), the water source containing the foaming agent in the chamber (6) is sprayed out through the spraying of the plurality of nozzles (9) and the wind force exhausted from the air guide cylinder (1), the water source containing the foam agent which is emitted and sprayed out is sprayed out to extinguish fire after passing through the filter screen (12).

2. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein the connecting piece is provided with a connecting screw rod (14), the impeller (10) is connected with the blocking piece (8) in series through the connecting screw rod (14), one end of the connecting screw rod (14) is opposite to the filter screen (12), and one end of the connecting screw rod (14) opposite to the filter screen (12) is protruded to be in an arc shape after propping against the filter screen (12).

3. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions as claimed in claim 1 or 2, wherein the mesh number of the filter screen (12) is 100 meshes.

4. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein an opening and closing valve (17) is arranged at an outlet of the water tank (7).

5. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein two L-shaped clamping grooves (18) are formed in two sides of the front sleeve (16), a butterfly bolt (19) is arranged on the air guide cylinder (1), the width of the butterfly bolt (19) is larger than that of the L-shaped clamping grooves (18), and the air guide cylinder (1) is clamped in the L-shaped clamping grooves (18) through rotating a butterfly knob and then is detachably connected with the front sleeve.

6. The multifunctional fire-extinguishing air guide duct with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein the chamber (6) is a conical chamber.

7. The multifunctional fire-extinguishing air guide duct with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein the impeller (10) and the chamber (6) are concentrically distributed.

8. The multifunctional fire-extinguishing air guide pipe with wind power, spraying and foam fire extinguishing functions as claimed in claim 1, wherein the front half part of the air guide pipe (1) is arranged to be a square cylinder, one end of the square cylinder is an air inlet end (2) communicated with an air outlet of a fan volute, the rear half part of the air guide pipe (1) is a circular cylinder, one end of the circular cylinder is detachably connected with a front sleeve (16) when foam is sprayed for fire extinguishing, and arc transition is formed between the square cylinder and the circular cylinder.

9. The multifunctional fire extinguishing air guide duct with wind power, spraying and foam fire extinguishing functions as claimed in claim 1 or 8, wherein the front sleeve (16) is a circular cylinder.