CN219080864U

CN219080864U - Smoke exhaust pipeline

Info

Publication number: CN219080864U
Application number: CN202223323975.7U
Authority: CN
Inventors: 陈志强; 王春源; 于志杰; 张雯; 崔永乐
Original assignee: Shandong Qiangli Fire Engineering Co ltd
Current assignee: Shandong Qiangli Fire Engineering Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-26
Anticipated expiration: 2032-12-12

Abstract

The utility model provides a smoke exhaust pipeline, which comprises a suction pipe, wherein the right end of the suction pipe is communicated with a straight cylinder, air extraction equipment is arranged in the straight cylinder, the right end of the straight cylinder is communicated with a discharge pipe, the inlet position of the left end of the air extraction equipment is communicated with an air inlet pipe, the air outlet pipe is arranged at the outlet position of the right end of the air extraction equipment and is communicated with the discharge pipe, a second conical cover is arranged at the outer end of the air inlet pipe and is arranged on the inner wall of the straight cylinder, a mounting plate is arranged at the outer end of the air inlet pipe, a filter cylinder component is arranged at the left end of the mounting plate, an annular pipe is arranged at the right end of the mounting plate, a plurality of air injection pipes are arranged at the left end of the annular pipe in an equidistant communication manner, the lower end of the air outlet pipe is communicated with a connecting pipe, one end of the connecting pipe, which is far away from the air outlet pipe, is communicated with the annular pipe, the ash attached to the outer end of the annular filter screen is cleaned, the blocking probability of the annular filter screen is effectively reduced, and the outer end of the annular filter screen is used for guaranteeing normal smoke discharging operation, and the practicability is improved.

Description

Smoke exhaust pipeline

Technical Field

The utility model relates to a smoke exhaust pipeline, and belongs to the technical field of fire protection.

Background

In order to ensure the safety of the existing building, fire protection facilities are generally installed in the building, the fire protection facilities refer to the general terms of equipment facilities such as an automatic fire alarm system, an automatic water spraying fire extinguishing system, a fire hydrant system and the like which are arranged in the building and are used for preventing and extinguishing the fire of the building, a smoke exhaust pipeline is one of main equipment in the fire protection facilities, ash and harmful substances are mixed in the smoke, so that a device for purifying the discharged smoke is generally installed in the smoke exhaust pipeline, the smoke exhaust pipeline in the prior art is generally composed of two sections of smoke transmission pipes, a fan and purifying equipment, when the fire occurs, the fan communicated with the outlet of the purifying equipment is started, so that the indoor smoke is pumped into the smoke transmission pipe, then the smoke is transmitted to the purifying equipment communicated with the smoke transmission pipe through the smoke transmission pipe, the purifying equipment is utilized for purifying the smoke, then the purified smoke is exhausted along the air transmission pipe of the fan and the smoke transmission pipe, the purifying equipment is generally composed of a shell and a filter cylinder filled with active carbon, the filter cylinder is utilized for filtering and blocking the discharged ash in the filter cylinder, the smoke is easy to filter the discharged ash and the active carbon in the filter cylinder, the filter cylinder is utilized for filtering the ash and the smoke in the filter cylinder, the smoke is easy to block the active carbon in the filter cylinder, the filter cylinder is utilized, the smoke is easy to absorb the active carbon in the filter cylinder, the ash and the smoke is easy to be blocked, and the smoke in the smoke is easy, and the smoke when the smoke is polluted, and the smoke is bad, and the smoke is normally, and the smoke is exhausted, and the smoke is normally, when the smoke is exhausted and the smoke is bad.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a smoke exhaust pipeline to solve the problems in the background art, and the utility model cleans ash attached to the outer end of the annular filter screen, effectively reduces the blocking probability of the outer end of the annular filter screen, is used for ensuring the normal exhaust operation of smoke and improves the practicability.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a smoke exhaust pipeline, includes the straw, straw right-hand member intercommunication installation straight section of thick bamboo and straight section of thick bamboo both ends all are the shutoff state, install extraction equipment in the straight section of thick bamboo, straight section of thick bamboo right-hand member intercommunication sets up the discharge pipe, extraction equipment left end import position intercommunication installation transversely arranged take the intake pipe of first control valve, extraction equipment right-hand member export position intercommunication sets up the outlet duct and the discharge pipe intercommunication arrangement of taking the second control valve, the second cone cover and the second cone cover that the outer end installation of intake pipe left and right narrow was arranged set up on straight section of thick bamboo inner wall, the intake pipe outer end sets up mounting panel and is located the second cone cover, the mounting panel left end installation is filled with the filter cartridge subassembly of active carbon and is arranged with the intake pipe intercommunication, mounting panel right-hand member installation annular pipe and annular pipe are located the second cone cover, the annular pipe sets up in the intake pipe outside, the annular pipe left end equidistance intercommunication sets up a plurality of the fumars that are the circular arrangement, the outlet duct runs through and the exit face towards the subassembly annular inner wall direction of fumare, the setting up and take the annular control valve to run away from the second cone cover with the left side of the annular duct intercommunication.

Further, the right end of the air outlet pipe is communicated with a third conical cover which is arranged in a left narrow and right wide way, the third conical cover is arranged in the straight cylinder, and the left end of the discharge pipe penetrates through the straight cylinder and is communicated with the right end of the third conical cover.

Further, the auxiliary pipe with the third control valve is vertically arranged at the upper end of the air inlet pipe in a communicating mode, the auxiliary pipe is located on the right side of the second conical cover, the position of the auxiliary pipe communicated with the air inlet pipe is arranged on the right side of the first control valve, and the upper end of the auxiliary pipe extends out of the upper side of the straight cylinder.

Further, a first conical cover which is arranged in a left-narrow and right-wide mode is arranged in the straight cylinder, the first conical cover is positioned on the left side of the filter cylinder assembly, and the right end of the suction pipe penetrates through the straight cylinder and is communicated with the first conical cover.

Further, a slag discharging pipe with a switch valve is arranged on the left side of the lower end of the straight cylinder in a communicated mode, and the slag discharging pipe and the straight cylinder are arranged between the first conical cover and the second conical cover in a communicated position.

Further, the filter cartridge assembly comprises a circular plate, an annular filter screen is arranged at the edge position of the right end of the circular plate, a circular ring is arranged at the right end of the annular filter screen, and the circular ring is in threaded connection with the annular outer end of the mounting plate.

Further, the limiting ring is installed on the right side of the annular outer end of the mounting plate, the protecting piece is installed at the left end of the limiting ring and located at the annular outer end of the mounting plate, and the protecting piece is attached to the right end of the circular ring.

The utility model has the beneficial effects that:

1. the fan is utilized to enable external gas to be conveyed into the annular pipe through the connecting pipe, the plurality of air injection pipes are used for injecting gas outwards, the gas passes through activated carbon and blows the annular inner wall of the annular filter screen, ash attached to the outer end of the annular filter screen is cleaned, the blocking probability of the outer end of the annular filter screen is effectively reduced, normal smoke exhaust operation is guaranteed, and practicability is improved.

2. Utilize the fan to make the flue gas get into in the space that first toper cover, straight section of thick bamboo and second toper cover formed through the straw, make the flue gas pass annular filter screen and active carbon again and get into the intake pipe in, the active carbon can adsorb the harmful substance in the flue gas this moment to annular filter screen filters the lime-ash that mixes in the flue gas and blocks, realizes carrying out purifying treatment to the flue gas, and the feature of environmental protection is good.

3. The annular filter screen filters the lime-ash that blocks and can fall to first toper cover in, in the second toper cover or lie in the inside bottom position of straight section of thick bamboo between first toper cover and the second toper cover, and the lime-ash can inwards slide along first toper cover or the second toper cover inner wall toper face, and then collect the lime-ash to scum pipe and straight section of thick bamboo hookup location, then can open the ooff valve on the scum pipe, makes the lime-ash that gathers discharge through the scum pipe, is convenient for lime-ash cleaning operation.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a smoke exhaust duct according to the present utility model;

fig. 2 is a cross-sectional view of a smoke exhaust duct according to the present utility model;

FIG. 3 is an assembly view of a straight cylinder and a fan in a smoke exhaust pipeline;

fig. 4 is a schematic view of a filter cartridge assembly in a smoke exhaust duct according to the present utility model.

In the figure: 1-suction pipe, 2-straight cylinder, 3-discharge pipe, 4-fan, 5-outlet pipe, 6-connecting pipe, 7-inlet pipe, 8-annular pipe, 9-jet pipe, 12-first conical cover, 21-auxiliary pipe, 22-slag discharging pipe, 23-second conical cover, 31-third conical cover, 71-filter cartridge assembly, 72-mounting plate, 711-annular filter screen, 712-circular plate and 713-circular ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: a smoke exhaust pipeline comprises a suction pipe 1, wherein the right end of the suction pipe 1 is communicated with the left end of a straight cylinder 2, both ends of the suction pipe are in a blocking state, an installation space is provided for parts such as air extraction equipment through the straight cylinder 2, the air extraction equipment is installed in the straight cylinder 2, the discharge pipe 3 is communicated and arranged at the right end of the straight cylinder 2, smoke extraction operation is realized by the air extraction equipment, the air extraction equipment can adopt a fan 4, an air inlet pipe 7 with a first control valve is installed at the inlet position of the left end of the air extraction equipment in a communicating manner, a second conical cover 23 with a left width and a right width which are arranged on the inner wall of the straight cylinder 2 is installed at the outer end of the air inlet pipe 7, an air outlet pipe 5 with a second control valve is arranged at the outlet position of the right end of the air extraction equipment in a communicating manner, a third conical cover 31 which is arranged in the straight cylinder 2 in a communicating manner and is arranged at the left width and the right end of the air outlet pipe 5, the third conical cover 31 is communicated with the air outlet pipe 5, and the left end of the discharge pipe 3 is arranged through the right end of the straight cylinder 2 and is communicated with the right end of the third conical cover 31.

Specifically, when a fire disaster occurs, the fan 4 is started first, so that smoke generated by the fire disaster enters the straight cylinder 2 through the suction pipe 1, and under the blocking of the second conical cover 23, the smoke is discharged along the air inlet pipe 7, the fan 4, the air outlet pipe 5, the third conical cover 31 and the discharge pipe 3, so that smoke discharging operation is realized, and the smoke discharging device is used for assisting the disaster relief operation.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mounting plate 72 which is positioned in the second conical cover 23 and is in a circular structure is arranged on the outer end of the air inlet pipe 7, the limiting ring is arranged on the right side of the annular outer end of the mounting plate 72, the mounting position of the circular ring 713 is limited by the limiting ring, the annular outer end protecting piece positioned in the mounting plate 72 is arranged on the left end of the limiting ring, the circular ring 713 attached to the left end of the protecting piece is in threaded connection with the annular outer end of the mounting plate 72, the protecting piece is used for preventing the limiting ring from being in direct contact with the circular ring 713, a rubber ring cushion is adopted by the protecting piece, the annular filter screen 711 communicated with the air inlet pipe 7 is arranged on the left end of the circular ring 713, the circular plate 712 is arranged on the left end of the annular filter screen 711, ash in the filtered and blocked by the annular filter screen 711, the first conical cover 12 which is arranged on the left side of the circular plate 712 is arranged in the straight cylinder 2, active carbon is filled in a cavity formed by the circular plate 712, the mounting plate 72 and the annular filter screen, harmful substances in the active carbon are absorbed by the active carbon, the direct contact between the protecting piece and the circular ring 713, the ash is directly contacted with the circular ring 713, the ash is filtered off by the circular ring cover, and the circular filter screen 711, and the ash is filtered off by the circular filter screen 711, and the ash is filtered by the circular filter hood, and the circular filter screen 711.

Specifically, the fan 4 is started first, and then the flue gas enters the space formed by the first conical cover 12, the straight cylinder 2 and the second conical cover 23 through the suction pipe 1, then the flue gas passes through the annular filter screen 711 and the activated carbon enters the air inlet pipe 7, harmful substances in the flue gas can be adsorbed at the moment, the ash slag mixed in the flue gas is filtered and blocked by the annular filter screen 711, the flue gas is purified, the environment friendliness is good, the ash slag filtered and blocked by the annular filter screen 711 can fall into the first conical cover 12, the second conical cover 23 or the bottom end position inside the straight cylinder 2 between the first conical cover 12 and the second conical cover 23, the ash slag can slide inwards along the conical surface of the inner wall of the first conical cover 12 or the second conical cover 23, the ash slag is collected to the communication position of the slag discharge pipe 22 and the straight cylinder 2, and then the switch valve on the slag discharge pipe 22 can be opened, the collected ash slag is discharged through the slag discharge pipe 22, and the ash slag cleaning operation is facilitated.

As shown in fig. 1, 2 and 3, the annular pipe 8 which is positioned in the second conical cover 23 and is arranged outside the air inlet pipe 7 is mounted on the right end of the mounting plate 72, a plurality of obliquely arranged air ejector pipes 9 which are circularly arranged are equidistantly communicated and are arranged on the left end of the annular pipe 8, the air ejector pipes 9 penetrate through the mounting plate 72, the outlets of the air ejector pipes 9 are arranged towards the direction of the annular filter screen 711, air is blown to the inner wall of the annular filter screen 711 through the air ejector pipes 9, a connecting pipe 6 with a fourth control valve is arranged at the lower end of the air outlet pipe 5 in a communicating way, the connecting pipe 6 communicated with the annular pipe 8 is arranged at the left side of the second control valve, one end of the connecting pipe 6 which is far away from the air outlet pipe 5 penetrates through the second conical cover 23, the annular pipe 8 is communicated with the air outlet pipe 5 through the connecting pipe 6, an auxiliary pipe 21 with a third control valve which is vertically arranged at the right side of the second conical cover 23 is communicated and is arranged at the upper end of the air inlet pipe 7, the position of the auxiliary pipe 21 communicated with the air inlet pipe 7 is arranged at the right side of the first control valve, the upper end of the auxiliary pipe 21 extends out of the straight pipe 2, and the air is conveyed into the air inlet pipe 7 through the auxiliary pipe 21.

Specifically, when the annular filter screen 711 is used, the first control valve and the second control valve are closed, the third control valve and the fourth control valve are opened, the fan 4 is started again, external gas is further conveyed into the annular pipe 8 along the auxiliary pipe 21, the air inlet pipe 7, the fan 4, the air outlet pipe 5 and the connecting pipe 6, then the gas in the annular pipe 8 is shunted into the plurality of air injection pipes 9, the gas is sprayed outwards through the plurality of air injection pipes 9, the gas passes through activated carbon and blows the annular inner wall of the annular filter screen 711, ash attached to the outer end of the annular filter screen 711 is cleaned, the blocking probability of the outer end of the annular filter screen 711 is effectively reduced, normal smoke gas discharging operation is guaranteed, and the practicability is improved.

The present disclosure describes embodiments in terms of which each embodiment does not comprise a separate embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims

1. A smoke exhaust duct, characterized in that: including straw (1), straw (1) right-hand member intercommunication installation straight section of thick bamboo (2) and straight section of thick bamboo (2) both ends all are the shutoff state about, install extraction equipment in straight section of thick bamboo (2), straight section of thick bamboo (2) right-hand member intercommunication sets up discharge pipe (3), extraction equipment left end import position intercommunication installation transversely arranged take intake pipe (7) of first control valve, extraction equipment right-hand member exit position intercommunication sets up outlet duct (5) and discharge pipe (3) intercommunication arrangement of taking the second control valve, second conical cover (23) and second conical cover (23) that the outer end installation of intake pipe (7) was controlled to be arranged are arranged on straight section of thick bamboo (2) inner wall, the outer end of intake pipe (7) sets up mounting plate (72) and mounting plate (72) are located second conical cover (23), filter cartridge subassembly (71) and intake pipe (7) intercommunication arrangement that the left end installation of mounting plate (72) is filled with the active carbon, mounting plate (72) left end installation and 8) are arranged in annular pipe (8) and annular pipe (8) are arranged in annular pipe (8) are arranged outside (8) and annular pipe (8) are arranged in annular pipe (8) and annular pipe (8), the air ejector tube (9) penetrates through the mounting plate (72) and the outlet of the air ejector tube (9) is arranged towards the annular inner wall direction of the filter cylinder assembly (71), the connecting tube (6) with the fourth control valve is arranged at the lower end of the air outlet tube (5) in a communicating mode, the connecting tube (6) and the air outlet tube (5) are arranged at the left side of the second control valve in a communicating mode, and one end, deviating from the air outlet tube (5), of the connecting tube (6) penetrates through the second conical cover (23) and is communicated with the annular tube (8).

2. A smoke evacuation duct as claimed in claim 1 wherein: the right end of the air outlet pipe (5) is communicated with a third conical cover (31) which is arranged in a left-narrow and right-wide mode, the third conical cover (31) is arranged in the straight cylinder (2), and the left end of the discharge pipe (3) penetrates through the straight cylinder (2) and is communicated with the right end of the third conical cover (31).

3. A smoke evacuation duct as claimed in claim 1 wherein: the auxiliary pipe (21) with the third control valve is vertically arranged at the upper end of the air inlet pipe (7) in a communicating mode, the auxiliary pipe (21) is located on the right side of the second conical cover (23), the position, communicated with the air inlet pipe (7), of the auxiliary pipe (21) is arranged on the right side of the first control valve, and the upper end of the auxiliary pipe (21) extends out of the upper side of the straight cylinder (2).

4. A smoke evacuation duct as claimed in claim 1 wherein: a first conical cover (12) which is arranged in a left-narrow and right-wide mode is arranged in the straight cylinder (2), the first conical cover (12) is located on the left side of the filter cylinder assembly (71), and the right end of the suction pipe (1) penetrates through the straight cylinder (2) and is communicated with the first conical cover (12).

5. A smoke evacuation duct as claimed in claim 4 wherein: the left side of the lower end of the straight cylinder (2) is communicated with a slag discharging pipe (22) with a switch valve, and the communication position of the slag discharging pipe (22) and the straight cylinder (2) is arranged between the first conical cover (12) and the second conical cover (23).

6. A smoke evacuation duct as claimed in claim 1 wherein: the filter cartridge assembly (71) comprises a circular plate (712), an annular filter screen (711) is arranged at the edge of the right end of the circular plate (712), a circular ring (713) is arranged at the right end of the annular filter screen (711), and the circular ring (713) is in threaded connection with the annular outer end of the mounting plate (72).

7. A smoke evacuation duct as claimed in claim 1 wherein: the limiting ring is arranged on the right side of the annular outer end of the mounting plate (72), the protecting piece is arranged at the left end of the limiting ring and located at the annular outer end of the mounting plate (72), and the protecting piece is attached to the right end of the circular ring (713).