CN211776189U

CN211776189U - Laboratory fire control system of discharging fume

Info

Publication number: CN211776189U
Application number: CN201922056397.7U
Authority: CN
Inventors: 李冰霄; 周小莉; 戴月亮
Original assignee: Suzhou Tenor Laboratory System Engineering Co ltd
Current assignee: Suzhou Tenor Laboratory System Engineering Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-27
Anticipated expiration: 2029-11-25

Abstract

The utility model belongs to the technical field of laboratory fire-fighting equipment's technique and specifically relates to a laboratory fire control system of discharging fume is equipped with the indoor and outdoor discharge flue of intercommunication in the roof of laboratory, the discharge flue is including setting up the outdoor flue of one end intercommunication in the roof to and the branch flue of the indoor intercommunication of a plurality of one end and flue intercommunication other end and laboratory. The utility model discloses have and make the quick outdoor effect that spreads of smoke and dust when the conflagration takes place.

Description

Laboratory fire control system of discharging fume

Technical Field

The utility model belongs to the technical field of laboratory fire control facility's technique and specifically relates to a laboratory fire control system of discharging fume.

Background

Laboratories are a complex site, often using aggressive chemicals and instrumentation, where fire protection is important.

The present patent of chinese utility model with patent number CN201915601U discloses a house building fire-fighting scheduling safety passage system, which comprises a fire-fighting exhaust safety window arranged at the uppermost position of each room vertical wall or roof of the house building, a branch passage with upward opening and communicated with the fire-fighting exhaust safety window, the opening of the branch passage is lower than the lowest end of the branch passage corresponding to the room of the upper floor of the room, and the branch passages of the rooms of the upper and lower floors are communicated with a main passage, the outlet of the main passage is arranged at the roof of the house building, which can improve the evacuation environment of the disaster-stricken and the favorable condition for rescuing the fire fighter, and keep 24 hours of ventilation and exhaust in one day.

The utility model provides an install fire control fume extractor in laboratory can make the smoke and dust in the laboratory faster to outdoor discharge when the conflagration takes place.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a laboratory fire control system of discharging fume can make the quick diffusion of smoke and dust outdoor when the conflagration takes place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a laboratory fire control system of discharging fume, is equipped with the indoor and outdoor discharge flue of intercommunication in the roof of laboratory, the discharge flue is including setting up the outdoor main flue of one end intercommunication in the roof to and the branch flue of the indoor intercommunication of a plurality of one end and main flue intercommunication other end and laboratory.

By adopting the technical scheme, the laboratory roof is provided with the plurality of branch flues which are communicated with the main flue, one end of the main flue is communicated outdoors, when a fire disaster occurs to generate smoke, the temperature of indoor smoke is higher than that of the outside, the indoor smoke flows to the main flue through the plurality of branch flues and can be rapidly discharged outdoors, favorable conditions are provided for escape of people during the fire disaster, and indoor ventilation can be realized.

The present invention may be further configured in a preferred embodiment as: and a mesh enclosure is arranged at one end of the branch flue communicated with the chamber.

By adopting the technical scheme, the mesh enclosure is arranged at the port of the branch flue, and can block part of large sundries from entering the discharge flue, so that the smoothness in the branch flue is kept.

The present invention may be further configured in a preferred embodiment as: install on the roof and can overturn the apron that covers the indoor one end of branch flue intercommunication.

Through adopting above-mentioned technical scheme, be equipped with the apron on the roof, need plug up when the discharge flue and do not use the messenger, perhaps when indoor needs are cold-proof, cover the port department of branch flue with the apron.

The present invention may be further configured in a preferred embodiment as: the surface of apron is installation rubber strip all around, rubber strip and roof butt.

Through adopting above-mentioned technical scheme, the surface mounting of apron has the rubber strip, and the rubber strip is installed around the apron, and when the apron covered the port of branch flue, the rubber strip was better with the roof butt, can make the apron to the leakproofness of branch flue port, prevents simultaneously that the apron from colliding with to the roof.

The present invention may be further configured in a preferred embodiment as: the roof is fixed with the installation piece, rotates on the installation piece and is connected with the pivot, one side of pivot with one side fixed connection of apron, the one end of pivot is connected with control shaft pivoted control mechanism.

Through adopting above-mentioned technical scheme, be fixed with the installation piece on the roof, install the pivot on the installation piece, one side fixed connection of pivot and apron, the pivot is rotated and to be driven the apron and turn over a book, and the one end of pivot is connected with control structure, and control mechanism can drive the pivot and rotate.

The present invention may be further configured in a preferred embodiment as: the control mechanism comprises a fixed block, a rotary disc and a control rod, the rotary disc is connected with the fixed block in a rotating mode, the control rod is fixedly connected with the rotary disc, an auxiliary bevel gear is fixedly connected to one end of the rotary shaft, the control rod is far away from one end of the rotary disc, the main bevel gear is fixedly connected with the main bevel gear meshed with the auxiliary bevel gear, and the rotary disc and the fixed block are connected in an inserting mode through a lock pin and are fixed relatively.

Through adopting above-mentioned technical scheme, the control framework includes the fixed block, fixed block fixed mounting is on the lateral wall in laboratory, sliding connection has the carousel on the fixed block, carousel center fixedly connected with control lever, the one end fixedly connected with main bevel gear of control lever, the one end fixedly connected with vice bevel gear of pivot, when staff's control carousel rotates, the main bevel gear that the carousel drove on the control lever rotates, main bevel gear passes through vice bevel gear and drives the pivot and rotate, the pivot rotates and drives the apron upset, the switching of control branch flue, the carousel directly can be pegged graft fixedly through the lockpin with the fixed block.

The present invention may be further configured in a preferred embodiment as: rain shields are installed on the outer wall of the roof and communicated with the main flue.

Through adopting above-mentioned technical scheme, the rain shield is installed to the outer wall of roof, and the rain shield communicates with the flue stack, can prevent to soak in the flue stack and lead to indoor humidity.

The present invention may be further configured in a preferred embodiment as: and a protective net is arranged at one end of the rain shield, which is far away from the main flue.

Through adopting above-mentioned technical scheme, install the protection network on the rain shield, can prevent that outdoor partial impurity from getting into and leading to the inside jam of discharge flue in the discharge flue.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the laboratory roof is provided with a plurality of branch flues, the branch flues are communicated with the main flue, one end of the main flue is communicated to the outside, when smoke and dust are generated in a fire, the temperature of the indoor smoke and dust is higher than that of the outside, the indoor smoke and dust flows to the main flue through the plurality of branch flues and can be rapidly discharged to the outside, favorable conditions are provided for people to escape in the fire, and indoor ventilation can be realized;

2. the mesh enclosure is arranged at the port of the branch flue and can block a part of large sundries from entering the discharge flue, so that the branch flue is kept smooth;

3. the roof is provided with a cover plate, and when the discharge flue needs to be plugged and is not used or the interior needs to be kept warm, the cover plate is covered at the port of the branch flue.

Drawings

FIG. 1 is a schematic view of the structure of the roof and the discharge flue in the embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic structural diagram of the cover plate and the branch flues in the embodiment.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a schematic structural view of the control mechanism in the embodiment.

Fig. 6 is a schematic structural diagram of the turntable and the fixed block in the embodiment.

As shown in the figure, 1, a roof, 2, a discharge flue, 21, a main flue, 22, a branch flue, 3, a rain shield, 31, a protective net, 24, a positioning groove, 241 a mesh enclosure, 4, a cover plate, 41, a rubber strip, 42, an installation block, 43, a rotating shaft, 5, a control mechanism, 51, a fixing block, 511, an arc-shaped groove, 52, a rotating disc, 521, an annular bulge, 522, a through hole, 512, a positioning hole, 54, a locking pin, 53, a control rod, 521, a rubber strip, 55, a main bevel gear, 56, an auxiliary bevel gear, 57 and a reinforcing block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): as shown in fig. 1, for the utility model discloses a laboratory fire control system of discharging fume, including setting up discharge flue 2 on the roof 1 of laboratory, discharge flue 2 includes that one end communicates outdoor flue 21, the intercommunication has branch flue 22 on the flue 21, branch flue 22 keeps away from the one end of flue 21 and communicates the indoor of laboratory, when the conflagration breaks out in the laboratory, when producing the smoke and dust, the smoke and dust can be outdoor along discharge flue 2, when the conflagration takes place, can provide more favorable condition for stranded personnel's evacuation, and can keep better ventilation in making the laboratory at ordinary times.

As shown in fig. 1 and 2, the main flue 21 is communicated with four branch flues 22 which are uniformly distributed, one end of each branch flue 22, which is far away from the main flue 21, extends to the surface of the roof 1 and is led into a room, positioning grooves 24 are formed around the ports of the branch flues 22, mesh enclosures 241 are installed in the positioning grooves 24, and the mesh enclosures 241 are fixedly installed in the positioning grooves 24 through screws, so that sundries can be prevented from entering the discharge flue 2 from the port at one end of each branch flue 22 and affecting the ventilation state of the discharge flue 2.

As shown in fig. 3 and 4, the rain shield 3 is fixedly connected to the outer wall of the roof 1, and the rain shield 3 is communicated with the flue duct 21, so that rainwater can be prevented from entering the flue duct 21 during raining. The rain shield 3 is provided with a protective net 31 which can prevent foreign garbage from entering the main flue 21, so that the interior of the smoke exhaust channel can be better protected from being blocked.

As shown in fig. 3, the apron 4 is installed on the surface of the indoor one side of roof 1, apron 4 can cover the port when discharge flue 2 does not use, and one side of apron 4 is fixed with rubber strip 41, and

rubber strip

41 and 1 surperficial butt in roof can prevent to

lap

4 and 1 production collision of roof and damage the surface of wall when switch apron 4, can make the apron 4 better to discharge flue 2's leakproofness simultaneously, makes indoor good thermal insulation performance. Fixed mounting has installation piece 42 on the roof 1, rotates on the installation piece 42 and is connected with pivot 43, and one side of pivot 43 and one side fixed connection of apron 4, pivot 43 rotate and to drive apron 4 upset. As shown in fig. 5, a control mechanism 5 capable of controlling the cover plate 4 to turn over is installed on the wall on one side of the laboratory, so that the worker can control the smoke exhaust pipe to open and close more conveniently.

As shown in fig. 5 and 6, the control mechanism 5 includes a fixed block 51 fixedly mounted on the wall of the laboratory, an arc-shaped groove 511 is provided on the fixed block 51, a rotating disc 52 is rotatably connected on the fixed block 51, an annular protrusion 521 is fixedly connected to the edge of the rotating disc 52, the annular protrusion 521 is the same as the axis of the rotating disc 52, the annular protrusion 521 is slidably connected with the arc-shaped groove 511, and the rotating disc 52 can rotate along the arc-shaped groove 511. The rotating disc 52 is provided with a pair of through holes 522, the fixed block 51 is provided with corresponding positioning holes 512, and the rotating disc 52 and the fixed block 51 are inserted into the through holes 522 and the positioning holes 512 through the locking pins 54 and are fixedly connected. The center of the turntable 52 is fixedly connected with a vertical upward control rod 53, the control rod 53 is further sleeved with a rubber strip 531 convenient to rotate, one end of the control rod 53, far away from the turntable 52, is connected with a main bevel gear 55, and the axis of the main bevel gear 55 is fixedly connected with the control rod 53. A secondary bevel gear 56 is mounted at one end of the rotating shaft 43, the axis of the secondary bevel gear 56 is fixedly connected with one end of the rotating shaft 43, and the primary bevel gear 55 is meshed with the secondary bevel gear 56.

As shown in fig. 5, a reinforcing block 51 is further fixedly mounted on the wall, the control rod 53 is rotatably connected with the reinforcing block 51, and the control rod 53 does not penetrate through the reinforcing block 51, so that the control rod 53 can be supported more stably, and the rotation of the rotating disc 52 is more labor-saving.

When the staff need rotate apron 4, rotate carousel 52, carousel 52 drives the control lever 53 and rotates, and control lever 53 drives main bevel gear 55 and rotates, and main bevel gear 55 drives vice bevel gear 56 and rotates, and vice bevel gear 56 drives apron 4 through pivot 43 and overturns, overturns and rotates the back, pegs graft the through-hole 522 to lockpin 54 in, relatively fixes carousel 52 and fixed block 51's position, and apron 4 also can fix on fixed position.

The implementation principle of the embodiment is as follows: when having the experiment work to go on in the laboratory, the staff rotates carousel 52, carousel 52 drives pivot 43 and rotates and make the apron 4 upset of installing at roof 1, open the discharge flue 2 that is located roof 1, can make the inside and external air intercommunication in laboratory, the flue gas can flow to main flue 21 through branch flue 22 and discharge to outdoor, great reinforcing the air circulation nature in the laboratory, if the unexpected conflagration takes place simultaneously, the smog that the conflagration produced can be discharged outdoor through discharge flue 2, withdraw for personnel and provide favorable condition.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a laboratory fire control system of discharging fume, is equipped with indoor and outdoor discharge flue (2) of intercommunication in the roof (1) of laboratory, its characterized in that: the discharge flue (2) is including setting up outdoor main flue (21) of one end intercommunication in roof (1) to and branch flue (22) of the indoor intercommunication in a plurality of one end and main flue (21) intercommunication other end and laboratory.

2. A laboratory fire protection and smoke exhaust system according to claim 1, characterized in that: and a mesh enclosure (241) is arranged at one end of the branch flue (22) communicated with the chamber.

3. A laboratory fire protection and smoke exhaust system according to claim 1, characterized in that: install on roof (1) and can overturn apron (4) that cover branch flue (22) intercommunication indoor one end.

4. A laboratory fire protection and smoke exhaust system according to claim 3, wherein: the surface of the cover plate (4) is provided with rubber strips (41) all around, and the rubber strips (41) are abutted to the roof (1).

5. A laboratory fire protection and smoke exhaust system according to claim 3, wherein: be fixed with installation piece (42) on roof (1), rotate on installation piece (42) and be connected with pivot (43), one side of pivot (43) with one side fixed connection of apron (4), the one end of pivot (43) is connected with control pivot (43) pivoted control mechanism (5).

6. A laboratory fire protection and smoke exhaust system according to claim 5, wherein: the control mechanism (5) comprises a fixed block (51), a rotary disc (52) rotatably connected with the fixed block (51) and a control rod (53) fixedly connected with the rotary disc (52), one end of the rotating shaft (43) is fixedly connected with an auxiliary bevel gear (56), one end, far away from the rotary disc, of the control rod (53) is fixedly connected with a main bevel gear (55) meshed with the auxiliary bevel gear (56), and the rotary disc (52) and the fixed block (51) are connected and fixed relatively through a lock pin (54).

7. A laboratory fire protection and smoke exhaust system according to claim 1, characterized in that: rain shield (3) are installed to roof (1) outer wall, and rain shield (3) and flue stack (21) intercommunication.

8. A laboratory fire protection and smoke exhaust system according to claim 7, wherein: and a protective net (31) is arranged at one end of the rain shield (3) far away from the main flue (21).