CN112648419A - Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve - Google Patents
Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve Download PDFInfo
- Publication number
- CN112648419A CN112648419A CN202011470568.1A CN202011470568A CN112648419A CN 112648419 A CN112648419 A CN 112648419A CN 202011470568 A CN202011470568 A CN 202011470568A CN 112648419 A CN112648419 A CN 112648419A
- Authority
- CN
- China
- Prior art keywords
- pipe
- smoke exhaust
- exhaust valve
- air pipe
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention relates to an installation process of a fireproof smoke exhaust valve and the fireproof smoke exhaust valve, and relates to the technical field of fireproof regulating valve products. The method comprises the steps of construction preparation, installation of an air pipe connecting pipe, installation of a vertical air pipe and a horizontal air pipe, installation of a fireproof smoke exhaust valve, inspection and debugging, wherein the air pipes comprise air pipe connecting pipes, vertical air pipes and horizontal air pipes, and humidifiers are installed in the vertical air pipes and the horizontal air pipes. The invention not only can complete the installation of the fireproof smoke exhaust valve and the air pipe connected with the fireproof smoke exhaust valve, but also can increase the air humidity in the air pipe.
Description
Technical Field
The invention relates to the technical field of fireproof regulating valve products, in particular to a fireproof smoke exhaust valve and an installation process thereof.
Background
The fireproof smoke exhaust valve is opened during smoke exhaust, so that the smoke is conveniently exhausted from the inner space by the exhaust fan; when the external flue is on fire, the valve is closed, and external open fire is prevented from entering the special valve of the internal space from the flue.
The retrieved Chinese patent with the publication number of CN101337313A discloses a manufacturing method of a fireproof regulating valve and the fireproof regulating valve, which comprises the following process steps of punching, rolling, welding, pressing ribs, spot welding of a check ring, welding of a shaft box and manufacturing of a water pipe into a semi-finished product, dividing a round valve into two parts from the center by plasma cutting, changing the two semi-circles into two semi-circles, connecting and splicing the two semi-circles into an oval shape by spot welding of a reinforcing plate on the semi-circles and a connecting plate, spraying plastic, assembling and the like: the blade manufacturing is to cut a rectangular strip material on a plate shearing machine, punch a hole and cut semicircles at two ends on a circle shearing machine, press a reinforcing rib in the middle of the blade on a bending machine by using a die, and manufacture a shaft by welding an adjusting plate and the shaft to form an angle of 90 +/-1 degrees, punching, tapping and galvanizing assembly.
In view of the above-mentioned related technologies, the inventor believes that the above-mentioned reference only shows how to make the fire damper and does not disclose how to install the fire damper, and therefore, there is a need to provide a method for installing the fire damper.
Disclosure of Invention
Aiming at the defects in the related art, the invention aims to provide the installation process of the fireproof smoke exhaust valve and the fireproof smoke exhaust valve, which not only can complete the installation of the fireproof smoke exhaust valve and the air pipe connected with the fireproof smoke exhaust valve, but also can increase the air humidity in the air pipe.
In a first aspect, the above object of the present invention is achieved by the following technical solutions:
an installation process of a fireproof smoke exhaust valve comprises the following steps:
s1: construction preparation, namely reserving a clean space corresponding to a controller on a fireproof smoke exhaust valve at a position on a wall body where the fireproof smoke exhaust valve is to be installed, and performing subsequent construction after ensuring that an opening work test of the fireproof smoke exhaust valve and the sealing performance of an air pipe meet construction requirements, wherein the air pipe comprises an air pipe connecting pipe, a vertical air pipe and a horizontal air pipe;
s2: installing an air pipe connecting pipe, installing a suspender and a clamp on a floor according to a design drawing, and installing the air pipe connecting pipe with the help of the suspender and the clamp;
s3: installing a vertical air pipe and a horizontal air pipe, installing the vertical air pipe and the horizontal air pipe at the corner of a floor according to a design drawing, enabling a water inlet pipe on the vertical air pipe and a water inlet pipe on the horizontal air pipe to be communicated with a water storage tank on the floor, installing air pipe electromagnetic valves on the water inlet pipe on the vertical air pipe and the water inlet pipe on the horizontal air pipe, and installing humidifiers in the vertical air pipe and the horizontal air pipe;
s4: installing a fireproof smoke exhaust valve, independently installing a valve body support hanger at the position on a wall body where the fireproof smoke exhaust valve is required to be installed, installing a valve body on the valve body support hanger through a suspended ceiling according to a design drawing, and sequentially installing a roller shutter smoke prevention assembly and a water flow transition assembly on a frame of the valve body from bottom to top;
s5: connecting the fireproof smoke exhaust valve and the air pipe, and connecting the air inlet end of the fireproof smoke exhaust valve and the air outlet end of the fireproof smoke exhaust valve with an air pipe connecting pipe according to a design drawing;
s6: and (4) checking and debugging, after the fireproof smoke exhaust valve is installed, opening the fireproof smoke exhaust valve again to carry out the work test, and checking the sealing performance of the air pipe again, wherein after the fireproof smoke exhaust valve and the air pipe both accord with the acceptance standard, the installation of the fireproof smoke exhaust valve is also completed.
By adopting the technical scheme, the fire-proof smoke exhaust valve is repeatedly subjected to the opening work test, and the sealing performance of the air pipe is checked, so that the fire-proof smoke exhaust valve and the air pipe can meet the design requirements and the use requirements after the fire-proof smoke exhaust valve and the air pipe are installed, and the service life of the fire-proof smoke exhaust valve and the air pipe is prolonged; meanwhile, when the installation of the air pipe connecting pipe, the vertical air pipe and the horizontal air pipe is finished, the installation of the air pipes is also finished, so that the installation of the fireproof smoke exhaust valve is more convenient; finally, as the humidifiers are installed in the vertical air pipe and the horizontal air pipe, the humidity of the air in the air pipes can be increased.
In a preferred example, the present invention may be further configured that the vertical air duct and the horizontal air duct each include a housing, a partition board is installed in the housing, the partition board divides the interior of the housing into a humidification chamber and a ventilation chamber, a fixing plate connected to an inner wall of the housing is installed in the ventilation chamber, a plurality of air guide blades arranged along a flow direction of air are installed on the fixing plate, and an air inlet and an air outlet communicated with the ventilation chamber are installed in the housing; the casing externally mounted has electric controller and inlet tube, humidifies the intracavity and is equipped with the humidifier of being connected with shells inner wall, the end of intaking and the inlet tube intercommunication of humidifier, and the end of giving vent to anger of humidifier is connected with the outlet duct, the end of giving vent to anger of outlet duct passes the baffle and with the intracavity portion intercommunication that ventilates, install the water pipe solenoid valve on the inlet tube, water pipe solenoid valve and humidifier all are connected with the electric controller electricity.
Through adopting above-mentioned technical scheme, opening and closing of inlet tube can be controlled to the water pipe solenoid valve, and the inlet tube can be with rivers leading-in to the humidifier in, the humidifier can be as required to the intracavity water smoke that ventilates, like this, under the effect of water smoke, humidity in the tuber pipe can obviously increase, like this, this application has also realized arranging of vertical tuber pipe and horizontal tuber pipe.
In a preferred example, the humidifier can be further configured such that a filter is further installed in the humidification chamber, a water inlet end of the filter is communicated with the air outlet pipe, and a water outlet end of the filter is communicated with a water inlet end of the humidifier.
Through adopting above-mentioned technical scheme, the filter can cross and filter the rivers that enter into to the humidification intracavity to let humidification chamber spun water smoke clean more sanitary.
The invention can be further configured in a preferred example that the filter is provided with a filter layer in the middle for filtering water, the water inlet end of the filter is positioned at the lower end of the filter, and the water outlet end of the filter is positioned at the upper end of the filter.
Through adopting above-mentioned technical scheme, the end setting of intaking with the filter is at the filter lower extreme to with the play water end setting of filter in the filter upper end, can do benefit to rivers and deposit in the filter, when rivers entered into to the filter in from the filter bottom, the filter layer can filter rivers, thereby lets humidification chamber spun water smoke clean more health, and the rivers after the filtration can be discharged by the filter upper end.
The invention in a preferred example can be further configured that the filtering layer comprises a primary filtering layer, an activated carbon layer and a compressed activated carbon layer which are arranged in the filter from bottom to top in sequence.
Through adopting above-mentioned technical scheme, rivers are filtering the back through prefiltering layer, activated carbon layer and compression activated carbon layer in proper order, and harmful substance such as bacterium is less to let this application security performance higher.
In a second aspect, the above object of the present invention is achieved by the following technical solutions:
a fireproof smoke exhaust valve comprises a valve body, wherein the valve body comprises a frame, a controller and a valve leaf rotating shaft, a fireproof valve leaf is arranged on the valve leaf rotating shaft, and a rolling curtain smoke prevention assembly is sequentially arranged at the top of the frame from bottom to top;
the roller shutter smoke-proof assembly comprises a rotary drum, a smoke-proof protective cover and a roller shutter, the rotary drum is rotatably arranged at the top of the frame, a water guide pipe fixedly arranged at the top of the frame is arranged in the rotary drum, water guide holes are formed in the rotary drum and the water guide pipe, the roller shutter is wound on the rotary drum, one end of the roller shutter is connected with the rotary drum, the other end of the roller shutter penetrates through the top of the frame and is connected with a hanging weight block, and a roller shutter limiting assembly used for limiting the hanging weight block is further arranged in the frame;
the water flow transition assembly comprises a water collecting tank arranged on the smoke-proof protective cover, the water guide pipe is communicated with the water storage tank, the water collecting pipe communicated with the water storage tank on the floor is arranged on the water collecting tank, and water pipe electromagnetic valves electrically connected with the controller are arranged on the water collecting pipe and the water guide pipe.
By adopting the technical scheme, when a fire disaster occurs, the rolling curtain limiting assembly on the rolling curtain smoke-proof assembly can give up limiting the hanging weight block, so that the hanging weight block can move downwards under the action of gravity to drive the end part of the rolling curtain to move downwards; simultaneously, when the conflagration breaing out, the water pipe solenoid valve can be opened, and like this, the flowing water that flows into to the aqueduct by the header tank has the water guide hole to spray to rolling up on the curtain, and like this, it can be in moist state to roll up the curtain to let the better realization of fire prevention smoke damper prevent fires and the function of discharging fume.
The invention in a preferred example can be further configured that a fireproof heat insulation board is connected between the rolling shutter smoke prevention component and the water flow transition component.
Through adopting above-mentioned technical scheme, the fire prevention heat insulating board can play the thermal-insulated effect of removal to prevent that rivers transition subassembly from taking place to damage because of the high temperature.
The invention can be further configured in a preferred example, the rolling shutter limiting assembly comprises a support seat arranged in the frame and a bolt hole arranged on the sling block, a bolt shaft inserted into the bolt hole is arranged on the support seat, and the melting point of the bolt shaft is 150-350 degrees.
Through adopting above-mentioned technical scheme, when the conflagration breaing out, the bolt axle can melt, like this, hangs the pouring weight and can drop to the frame bottom under the condition that does not have the bolt axle to block to the realization is sealed to fire prevention smoke damper.
In a preferred example, the rolling shutter limiting assembly comprises a support installed in the frame and a bolt hole arranged on the hoisting block, a rolling shutter electromagnetic valve is installed on the support, a fireproof protection cover is sleeved on the rolling shutter electromagnetic valve, the output end of the rolling shutter electromagnetic valve is connected with a bolt shaft penetrating through the fireproof protection cover, and the melting point of the bolt shaft is more than 1200 ℃.
Through adopting above-mentioned technical scheme, when the conflagration breaing out, the bolt axle can not melt, but, roll up the curtain solenoid valve and open the signal of telecommunication on the heavy piece of hanging on receiving the controller after, can take out the bolt hole with the bolt axle to let hang heavy piece and drop to the frame bottom, thereby realize the sealed to fire prevention smoke damper.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the fire-proof smoke exhaust valve is repeatedly opened to work and tested, the sealing performance of the air pipe is checked, the fire-proof smoke exhaust valve and the air pipe can meet the design requirements and the use requirements after the fire-proof smoke exhaust valve and the air pipe are installed, and the service life of the fire-proof smoke exhaust valve is prolonged; meanwhile, when the installation of the air pipe connecting pipe, the vertical air pipe and the horizontal air pipe is finished, the installation of the air pipes is also finished, so that the installation of the fireproof smoke exhaust valve is more convenient; finally, as the humidifiers are arranged in the vertical air pipe and the horizontal air pipe, the humidity of the air in the air pipes can be increased;
2. when a fire disaster occurs, the bolt shaft can not melt, but after the rolling shutter electromagnetic valve receives an electric signal on the hoisting block opened on the controller, the bolt shaft can be drawn out of the bolt hole, so that the hoisting block falls to the bottom of the frame, and the sealing of the fireproof smoke exhaust valve is realized;
3. when a fire disaster happens, the rolling curtain limiting assembly on the rolling curtain smoke-proof assembly gives up limiting the hanging weight block, so that the hanging weight block moves downwards under the action of gravity to drive the end part of the rolling curtain to move downwards; simultaneously, when the conflagration breaing out, the water pipe solenoid valve can be opened, and like this, the flowing water that flows into to the aqueduct by the header tank has the water guide hole to spray to rolling up on the curtain, and like this, it can be in moist state to roll up the curtain to let the better realization of fire prevention smoke damper prevent fires and the function of discharging fume.
Drawings
FIG. 1 is a schematic structural view of the fire and smoke damper and the air duct of the present invention installed on a wall and a floor;
FIG. 2 is a fire damper;
FIG. 3 is a schematic view of the structure of FIG. 2 in a top view;
FIG. 4 is a schematic view of the full cross-section of FIG. 2 in a front view;
FIG. 5 is an enlarged schematic view of the upper half of FIG. 4;
FIG. 6 is a schematic structural view of a connection structure of the return air duct and the indoor unit according to the present invention;
fig. 7 is a schematic structural view of fig. 6 without the first indoor unit and the second indoor unit;
FIG. 8 is a schematic structural view of a housing of the vertical duct or the horizontal duct;
FIG. 9 is a schematic structural view of a vertical air duct or a horizontal air duct;
fig. 10 is a schematic structural view of the vertical air duct or the horizontal air duct without the housing.
Reference numerals: 1. a housing; 2. a partition plate; 3. a humidification chamber; 4. a ventilation cavity; 5. a fixing plate; 6. wind guide blades; 7. an electrical controller; 8. a water inlet pipe; 9. a humidifier; 10. an air outlet pipe; 11. an air duct electromagnetic valve; 12. a filter; 13. a filter layer; 14. a primary filter layer; 15. an activated carbon layer; 16. compressing the activated carbon layer; 17. a cover plate; 19. a first side plate; 20. a second side plate; 21. a third side plate; 23. a first indoor unit; 24. a second indoor unit; 25. an air duct; 26. a vertical air duct; 27. a horizontal air duct; 28. a vertical connecting pipe; 29. a first horizontal connecting pipe; 30. a second horizontal connecting pipe; 31. an inner facing layer; 32. a sound absorbing layer; 33. a heat-insulating layer; 34. an outer panel facing; 35. a fireproof smoke exhaust valve; 36. a boom; 37. clamping a hoop; 38. a water storage tank; 39. a valve body support hanger; 40. a rolling shutter smoke prevention assembly; 41. a water flow transition assembly; 42. a water collection pipe; 43. a water conduit; 44. a water guide hole; 45. a valve body; 46. a frame; 47. a controller; 48. a valve leaf rotating shaft; 49. a fire prevention valve leaf; 50. a rotating drum; 51. a smoke-proof protective cover; 52. rolling a curtain; 53. hoisting a weight block; 54. a roller shutter limiting component; 55. a water collection tank; 56. a water pipe electromagnetic valve; 57. a fireproof heat insulation board; 58. a support; 59. a latch shaft; 60. a roller shutter solenoid valve; 61. a fire-proof protective cover; 62. a wall body; 63. a floor; .
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 and 3, the present application provides a fire prevention smoke exhaust valve 35, which comprises a valve body 45, wherein the valve body 45 comprises a frame 46, a controller 47 and a valve leaf rotating shaft 48, a fire prevention valve leaf 49 is installed on the valve leaf rotating shaft 48, and a rolling blind smoke prevention component 40 and a water flow transition component 41 are installed on the valve body 45 from bottom to top in sequence. Preferably, a fire-proof and heat-insulating panel 57 is connected between the rolling shutter smoke prevention assembly 40 and the water flow transition assembly 41 to prevent the water flow transition assembly 41 from being damaged due to an excessive temperature.
The application mainly aims at the problem that the fireproof and smoke-proof capability of the fireproof smoke-proof valve 35 before improvement is weak, and provides the fireproof smoke-proof valve 35 which is strong in fireproof and smoke-proof capability; meanwhile, the installation process of the fireproof smoke exhaust valve 35 is further provided for solving the problem that hot air sprayed from the air pipe 25 is dry after the fireproof smoke exhaust valve 35 before improvement is installed, and air humidity in the air pipe 25 can be remarkably improved.
As shown in fig. 2 and 4, the water flow transition assembly 41 includes a water tank 55 mounted on the smoke protection cover 51, a water conduit 43 is communicated with the water tank 38, a water conduit 42 communicated with the water tank 38 on the floor 63 is mounted on the water tank 55, and a water conduit solenoid valve 11 electrically connected with the controller 47 is mounted on each of the water conduit 42 and the water conduit 43. Like this, water pipe solenoid valve 11 can let rivers enter into aqueduct 43 after receiving controller 47's signal of telecommunication in to will roll up curtain 52 and moisten, thereby let this application have certain fire prevention smoke damper 35 under the condition of fire prevention smoke damper ability, further increase this application's fire prevention smoke damper ability.
As shown in fig. 2 and 4, the rolling blind smoke prevention assembly 40 includes a drum 50, a smoke prevention shield 51 and a rolling blind 52, the drum 50 is rotatably mounted on the top of the frame 46, a water conduit 43 fixedly mounted on the top of the frame 46 is arranged in the drum 50, water guide holes 44 are arranged in the drum 50 and the water conduit 43, the rolling blind 52 is wound on the drum 50, one end of the rolling blind 52 is connected with the drum 50, the other end of the rolling blind passes through the top of the frame 46 and is connected with a weight 53, and a rolling blind position limiting assembly 54 for limiting the weight 53 is further mounted in the frame 46. Like this, when rolling up the spacing subassembly 54 of curtain and carrying on spacingly to hanging heavy piece 53, this application can normally realize the ventilation function of discharging fume, when the conflagration breaing out, then not spacing hanging heavy piece 53 when rolling up the spacing subassembly 54 of curtain, hang heavy piece 53 can normally realize the fire prevention function of preventing smoke in can directly dropping frame 46.
In actual work, this application provides two kinds of structures of rolling up curtain spacing subassembly 54, and wherein, first kind rolls up curtain spacing subassembly 54's structure and is: as shown in fig. 5, the rolling shutter limiting assembly 54 includes a support 58 installed in the frame 46, and a latch hole provided on the sling block 53, a latch shaft 59 inserted into the latch hole is installed on the support 58, and a melting point of the latch shaft 59 is 150 to 350 °. Thus, in the event of a fire, latch shaft 59 will melt and the sling block 53 will fall directly to the bottom of frame 46.
The second roller shutter limiting component 54 has the structure that: as shown in fig. 5, the rolling shutter limiting component 54 includes a support 58 installed in the frame 46, and a latch hole provided on the sling block 53, a rolling shutter solenoid valve 60 is installed on the support 58, a fire-proof protective cover 61 is sleeved on the rolling shutter solenoid valve 60, an output end of the rolling shutter solenoid valve 60 is connected with a latch shaft 59 penetrating through the fire-proof protective cover 61, and a melting point of the latch shaft 59 is above 1200 ℃. Thus, in the event of a fire, the roller shutter solenoid valve 60, upon receiving an electrical signal from the controller 47 to open the sling block 53, will draw the latch shaft 59 out of the latch hole, thereby allowing the sling block 53 to drop to the bottom of the frame 46.
As shown in fig. 6, the present application further includes a water storage tank 38, a first indoor unit 23, a second indoor unit 24, and an air duct 25, wherein one end of the air duct 25 is connected to the first indoor unit 23, and the other end is connected to the second indoor unit 24.
As shown in fig. 6, the air duct 25 includes a vertical air duct 26 and a horizontal air duct 27, one end of the vertical air duct 26 is connected to the first indoor unit 23 through a vertical connection pipe 28, the other end of the vertical air duct is connected to one end of the horizontal air duct 27 through a first horizontal connection pipe 29, and the other end of the horizontal air duct 27 is connected to the second indoor unit 24 through a second horizontal connection pipe 30. Thus, the wind direction can be freely converted in the horizontal direction and the vertical direction.
As shown in fig. 8, in actual operation, the walls of the vertical duct 26 and the horizontal duct 27 are formed by fixing an inner panel surface 31, a sound absorbing layer 32, an insulating layer 33 and an outer panel surface 34 from inside to outside in sequence. Sound absorbing layer 32 is made by foam aluminum plate, and heat preservation 33 is made by aerogel felt, lets this application noise less like this, environmental protection more.
As shown in fig. 9, the vertical air duct 26 and the horizontal air duct 27 both include a casing 1, a partition plate 2 is installed in the casing 1, the partition plate 2 divides the inside of the casing 1 into a humidification chamber 3 and a ventilation chamber 4, a fixing plate 5 connected with the inner wall of the casing 1 is arranged in the ventilation chamber 4, a plurality of air guide blades 6 arranged along the flowing direction of air are installed on the fixing plate 5, and an air inlet and an air outlet connected with the ventilation chamber 4 are arranged in the casing 1. In this way, the present application also realizes that the humidifying chamber 3 is arranged on the vertical air duct 26 and the horizontal air duct 27 to increase the humidity in the air duct 25.
In actual operation, the casing 1 includes two cover plates 17 arranged at intervals, one end of each cover plate 17 is provided with a first side plate 19 and a second side plate 20, the other end of each cover plate 17 is provided with a third side plate 21, the first side plate 19 and the second side plate 20 are vertically arranged and connected together, the upper end of the first side plate 19, the upper end of the second side plate 20 and the upper end of the third side plate 21 are connected with one cover plate 17, and the lower end of the first side plate 19, the lower end of the second side plate 20 and the lower end of the third side plate 21 are connected with the other cover plate 17. In this way, the present application has sufficient space to arrange the ventilation chamber 4 and the humidification chamber 3, thereby making the structure of the present application more reasonable.
Preferably, a fixing plate 5 connected with the inner wall of the housing 1 is arranged in the ventilation cavity 4, a plurality of air guide vanes 6 arranged along the flowing direction of air are mounted on the fixing plate 5, and an air inlet and an air outlet communicated with the ventilation cavity 4 are arranged in the housing 1. Like this, this application can realize wind-guiding function through wind-guiding blade 6.
As shown in fig. 10, the electric controller 7 and the water inlet pipe 8 are installed outside the housing 1, the humidifier 9 connected with the inner wall of the housing 1 is arranged in the humidification chamber 3, the water inlet pipe 8 can guide water flow into the humidifier 9, the humidifier 9 can input water mist into the ventilation chamber 4 as required, the water inlet end of the humidifier 9 is communicated with the water inlet pipe 8, the air outlet end of the humidifier 9 is connected with the air outlet pipe 10, the air outlet end of the air outlet pipe 10 penetrates through the partition plate 2 and is communicated with the inside of the ventilation chamber 4, the water inlet pipe 8 is provided with the air pipe 25 and the air pipe electromagnetic valve 11, so as to control the opening and closing of the water inlet pipe 8, and the air pipe. In this way, the present application also achieves the goal of increasing the humidity within the air duct 25.
As shown in fig. 10, a filter 12 is further installed in the humidification chamber 3 to filter the water flow entering the humidification chamber 3, an inlet end of the filter 12 is communicated with the outlet pipe 10, and an outlet end of the filter 12 is communicated with the inlet end of the humidifier 9. Preferably, a filter layer 13 for filtering water is installed in the middle of the filter 12, the water inlet end of the filter 12 is located at the lower end of the filter 12, and the water outlet end of the filter 12 is located at the upper end of the filter 12, so as to facilitate the water flow to settle in the filter 12. Further, the filter layer 13 includes a primary filter layer 14 (preferably PP-5um cotton), an activated carbon layer 15 and a compressed activated carbon layer 16, which are sequentially disposed from bottom to top in the filter 12. Thus, the harmful substances such as bacteria and the like are fewer, and the safety performance is higher.
As shown in fig. 10, in actual operation, there are at least two fixing plates 5, and each fixing plate 5 is provided with a wind-guiding blade 6 for guiding air. Preferably, the partition board 2 is installed on the cover plate 17 and is vertically connected with the cover plate 17, and the partition board 2 is arc-shaped so as to better guide the air. Furthermore, the air guide blades are 6-arc-shaped so as to further guide air. Like this, this application not only reduces this application's noise, can add the structural strength who strengthens this application moreover by one step.
In actual operation, when a fire disaster occurs, the rolling shutter limiting component 54 on the rolling shutter smoke-proof component 40 gives up limiting the sling block 53, so that the sling block 53 moves downwards under the action of gravity to drive the end part of the rolling shutter 52 to move downwards, when the sling block 53 waits for the rolling shutter 52 to move to the bottom of the frame 46, the sealing of the valve body 45 is realized, and the fire-proof smoke-proof function of the fire-proof smoke-proof valve 35 is realized; meanwhile, when a fire occurs, the water pipe solenoid valve 11 is opened, so that the flowing water flowing from the water collecting tank 55 to the water guiding pipe 43 is sprayed to the roller shutter 52 through the water guiding holes 44, and thus the roller shutter 52 is in a wet state, thereby better realizing the functions of fire prevention and smoke exhaust of the fire and smoke exhaust valve 35.
In actual work, the installation process of the fireproof smoke exhaust valve 35 comprises the following steps:
s1: construction preparation, reserving a clean space corresponding to a controller 47 on the fireproof smoke exhaust valve 35 at a position on the wall 62 where the fireproof smoke exhaust valve 35 is to be installed, and performing subsequent construction after ensuring that an opening work test of the fireproof smoke exhaust valve 35 and the sealing performance of the air pipe 25 meet construction requirements, wherein the air pipe 25 comprises an air pipe 25 connecting pipe, a vertical air pipe 26 and a horizontal air pipe 27;
in practice, the clear space is at least 350mm in length and at least 350mm in width.
S2: installing an air pipe 25 connecting pipe, installing a suspender 36 and a clamp 37 on a floor 63 according to a design drawing, and installing the air pipe 25 connecting pipe with the help of the suspender 36 and the clamp 37;
s3: installing a vertical air pipe 26 and a horizontal air pipe 27, installing the vertical air pipe 26 and the horizontal air pipe 27 at the corner of the floor 63 according to a design drawing, enabling a water inlet pipe 8 on the vertical air pipe 26 and a water inlet pipe 8 on the horizontal air pipe 27 to be communicated with a water storage tank 38 on the floor 63, installing air pipe electromagnetic valves on the water inlet pipe 8 on the vertical air pipe 26 and the water inlet pipe 8 on the horizontal air pipe 27, and installing humidifiers 9 in the vertical air pipe 26 and the horizontal air pipe 27;
s4: installing a fireproof smoke exhaust valve 35, independently installing a valve body support and hanger 39 at the position on a wall 62 where the fireproof smoke exhaust valve 35 needs to be installed, installing a valve body 45 on the valve body support and hanger 39 through a ceiling according to a design drawing, and sequentially installing a roller shutter smoke prevention assembly 40 and a water flow transition assembly 41 on a frame 46 of the valve body 45 from bottom to top;
during actual operation, when valve body 45 installs in the furred ceiling, should be equipped with the access hole below observing and operating device, the size of access hole is not less than 400 x 400 mm. When the valve body 45 is installed in the wall 62.
S5: the fireproof smoke exhaust valve 35 and the air pipe 25 are connected, and according to the design drawing, the air inlet end of the fireproof smoke exhaust valve 35 and the air outlet end of the fireproof smoke exhaust valve 35 are both connected with a connecting pipe of the air pipe 25;
in actual operation, both the vertical air duct 26 and the horizontal air duct 27 can be referred to as the air duct 25, the vertical connecting pipe 28, the first horizontal connecting pipe 29 and the second horizontal connecting pipe 30 can also be referred to as the air duct 25, the humidifying cavity 3 can be arranged in the vertical air duct 26 and the horizontal air duct 27, the humidifying cavity 3 can also be arranged in the vertical connecting pipe 28, the first horizontal connecting pipe 29 and the second horizontal connecting pipe 30, only for arranging the humidifying cavity 3 in the vertical air duct 26 and the horizontal air duct 27, the arrangement of the humidifying cavity 3 in the vertical connecting pipe 28, the first horizontal connecting pipe 29 and the second horizontal connecting pipe 30 can occupy an enlarged space area in the air duct 25, and therefore, in actual operation, it is appropriate to install the humidifying cavity 3 in the vertical air duct 26 and/or the horizontal air duct 27.
S6: and (4) checking and debugging, after the installation of the fireproof smoke exhaust valve 35 is completed, opening the working test of the fireproof smoke exhaust valve 35 again, checking the sealing performance of the air pipe 25 again, and after the fireproof smoke exhaust valve 35 and the air pipe 25 both accord with the acceptance standard, completing the installation of the fireproof smoke exhaust valve 35.
During actual work, the fire-proof smoke exhaust valve 35 is repeatedly opened to perform a work test, the sealing performance of the air pipe 25 is checked, and the fire-proof smoke exhaust valve 35 and the air pipe 25 can meet design requirements and use requirements after the fire-proof smoke exhaust valve 35 and the air pipe 25 are installed, so that the service life of the fire-proof smoke exhaust valve is prolonged; meanwhile, when the installation of the air pipe 25 connecting pipe, the vertical air pipe 26 and the horizontal air pipe 27 is finished, the installation of the air pipe 25 is also finished, so that the installation of the fireproof smoke exhaust valve 35 is more convenient; finally, as the humidifiers 9 are installed in the vertical air pipe 26 and the horizontal air pipe 27, the humidity of the air in the air pipe 25 can be increased.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The installation process of the fireproof smoke exhaust valve is characterized by comprising the following steps of:
s1: construction preparation, namely reserving a clean space corresponding to a controller (47) on a fireproof smoke exhaust valve (35) at a position on a wall body (62) where the fireproof smoke exhaust valve (35) is to be installed, and performing subsequent construction after ensuring that an opening work test of the fireproof smoke exhaust valve (35) and the sealing performance of an air pipe (25) meet construction requirements, wherein the air pipe (25) comprises an air pipe connecting pipe, a vertical air pipe (26) and a horizontal air pipe (27);
s2: installing an air pipe connecting pipe, installing a hanging rod (36) and a clamp (37) on a floor (63) according to a design drawing, and installing the air pipe connecting pipe with the help of the hanging rod (36) and the clamp (37);
s3: installing a vertical air pipe (26) and a horizontal air pipe (27), installing the vertical air pipe (26) and the horizontal air pipe (27) at the corner of a floor (63) according to a design drawing, enabling a water inlet pipe (8) on the vertical air pipe (26) and a water inlet pipe (8) on the horizontal air pipe (27) to be communicated with a water storage tank (38) on the floor (63), installing air pipe electromagnetic valves (11) on the water inlet pipe (8) on the vertical air pipe (26) and the water inlet pipe (8) on the horizontal air pipe (27), and installing humidifiers (9) in the vertical air pipe (26) and the horizontal air pipe (27);
s4: installing a fireproof smoke exhaust valve (35), independently installing a valve body support hanger (39) at the position of a wall body (62) where the fireproof smoke exhaust valve (35) needs to be installed, installing a valve body (45) on the valve body support hanger (39) through a suspended ceiling according to a design drawing, and sequentially installing a roller shutter smoke prevention assembly (40) and a water flow transition assembly (41) on a frame (46) of the valve body (45) from bottom to top;
s5: the fireproof smoke exhaust valve (35) and the air pipe (25) are connected, and according to a design drawing, the air inlet end of the fireproof smoke exhaust valve (35) and the air outlet end of the fireproof smoke exhaust valve (35) are both connected with an air pipe connecting pipe;
s6: and (4) checking and debugging, after the fireproof smoke exhaust valve (35) is installed, carrying out the opening work test on the fireproof smoke exhaust valve (35) again, checking the sealing performance of the air pipe (25) again, and after the fireproof smoke exhaust valve (35) and the air pipe (25) both accord with the acceptance standard, also finishing the installation of the fireproof smoke exhaust valve (35).
2. The installation process of the fireproof smoke exhaust valve according to claim 1, wherein each of the vertical air pipe (26) and the horizontal air pipe (27) comprises a shell (1), a partition plate (2) is installed in the shell (1), the partition plate (2) divides the interior of the shell (1) into a humidifying cavity (3) and a ventilating cavity (4), a fixing plate (5) connected with the inner wall of the shell (1) is arranged in the ventilating cavity (4), a plurality of air guide blades (6) arranged along the flowing direction of air are installed on the fixing plate (5), and an air inlet and an air outlet communicated with the ventilating cavity (4) are arranged in the shell (1); casing (1) externally mounted has electric controller (47) and inlet tube (8), is equipped with humidifier (9) with casing (1) inner wall connection in humidification chamber (3), and the end of intaking of humidifier (9) communicates with inlet tube (8), and the end of giving vent to anger of humidifier (9) is connected with outlet duct (10), the end of giving vent to anger of outlet duct (10) passes baffle (2) and with the inside intercommunication in ventilation chamber (4), install water pipe solenoid valve (11) on inlet tube (8), water pipe solenoid valve (11) and humidifier (9) all are connected with electric controller (47) electricity.
3. The installation process of the fireproof smoke exhaust valve according to the claim 2, wherein a filter (12) is further installed in the humidifying cavity (3), the water inlet end of the filter (12) is communicated with the air outlet pipe (10), and the water outlet end of the filter (12) is communicated with the water inlet end of the humidifier (9).
4. A mounting process of a fireproof smoke exhaust valve according to the claim 3, wherein the middle part of the filter (12) is provided with a filter layer (13) for filtering water, the water inlet end of the filter (12) is positioned at the lower end of the filter (12), and the water outlet end of the filter (12) is positioned at the upper end of the filter (12).
5. A mounting process of a fireproof smoke exhaust valve according to the claim 4, wherein the filtering layer (13) comprises a primary filtering layer (14), an activated carbon layer (15) and a compressed activated carbon layer (16) which are arranged in the filter (12) from bottom to top in sequence.
6. A fire prevention smoke exhaust valve comprises a valve body (45), wherein the valve body (45) comprises a frame (46), a controller (47) and a valve leaf rotating shaft (48), and a fire prevention valve leaf (49) is installed on the valve leaf rotating shaft (48), and is characterized in that a rolling curtain smoke prevention assembly (40) and a water flow transition assembly (41) are sequentially installed at the top of the frame (46) from bottom to top;
the rolling curtain smoke-proof assembly (40) comprises a rotary drum (50), a smoke-proof protective cover (51) and a rolling curtain (52), the rotary drum (50) is rotatably installed at the top of a frame (46), a water guide pipe (43) fixedly installed at the top of the frame (46) is arranged in the rotary drum (50), water guide holes (44) are formed in the rotary drum (50) and the water guide pipe (43), the rolling curtain (52) is wound on the rotary drum (50), one end of the rolling curtain (52) is connected with the rotary drum (50), the other end of the rolling curtain passes through the top of the frame (46) and is connected with a hanging weight block (53), and a rolling curtain limiting assembly (54) used for limiting the hanging weight block (53) is further installed in the frame (46);
the water flow transition assembly (41) comprises a water collecting tank (55) arranged on the smoke-proof protective cover (51), the water guide pipe (43) is communicated with the water collecting tank (38), the water collecting tank (55) is provided with a water collecting pipe (42) communicated with the water collecting tank (38) on the floor (63), and the water collecting pipe (42) and the water guide pipe (43) are both provided with a water pipe electromagnetic valve (11) electrically connected with the controller (47).
7. A fire and smoke damper according to claim 6, wherein a fire and heat insulating plate (57) is connected between said rolling shutter smoke damper assembly (40) and said water flow transition assembly (41).
8. A fire and smoke damper according to claim 6 or 7, wherein said rolling shutter limiting assembly (54) comprises a support (58) mounted in the frame (46), and a bolt hole provided on the weight block (53), said support (58) being mounted with a bolt shaft (59) inserted into the bolt hole, said bolt shaft (59) having a melting point of 150-350 °.
9. A fireproof smoke exhaust valve according to claim 6 or 7, wherein the rolling blind limiting component (54) comprises a support (58) installed in the frame (46) and a bolt hole arranged on the hanging weight block (53), the support (58) is provided with a rolling blind (52) electromagnetic valve (11), the rolling blind (52) electromagnetic valve (11) is sleeved with a fireproof protection cover (61), the output end of the rolling blind (52) electromagnetic valve (11) is connected with a bolt shaft (59) penetrating through the fireproof protection cover (61), and the melting point of the bolt shaft (59) is more than 1200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470568.1A CN112648419B (en) | 2020-12-14 | 2020-12-14 | Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470568.1A CN112648419B (en) | 2020-12-14 | 2020-12-14 | Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648419A true CN112648419A (en) | 2021-04-13 |
| CN112648419B CN112648419B (en) | 2022-09-20 |
Family
ID=75355434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470568.1A Active CN112648419B (en) | 2020-12-14 | 2020-12-14 | Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112648419B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001423A (en) * | 2021-11-03 | 2022-02-01 | 北京市设备安装工程集团有限公司 | Sealed non-return exhaust system |
| CN114484028A (en) * | 2022-02-22 | 2022-05-13 | 山东亚安建筑工程有限公司 | Installation process of street fireproof smoke exhaust valve |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1200980A (en) * | 1968-09-20 | 1970-08-05 | Frederick William Pantland | Improvements in and relating to fire dampers |
| US4161204A (en) * | 1977-09-14 | 1979-07-17 | Kurz John C | Motorized smoke and fire damper |
| GB1549781A (en) * | 1976-11-08 | 1979-08-08 | Actionair Equip | Fusible link assemblies for fire dampers |
| DE19701275A1 (en) * | 1997-01-16 | 1998-07-23 | Schako Metallwarenfabrik | Fire prevention valve |
| CA2629032A1 (en) * | 2007-04-25 | 2008-10-25 | Ruskin Company | Fire damper |
| KR101080692B1 (en) * | 2011-06-21 | 2011-11-08 | (주)동아풍력 | Fire dampers |
| CN203452601U (en) * | 2013-09-11 | 2014-02-26 | 刘建平 | Fireproof curtain plate door |
| CN205783522U (en) * | 2016-05-15 | 2016-12-07 | 浙江忠建消防科技有限公司 | One can blast type fire fighting smoke remover |
| CN107448129A (en) * | 2016-05-30 | 2017-12-08 | 黄争 | A kind of new fire prevention, isolation facility |
| CN207892477U (en) * | 2018-07-04 | 2018-09-21 | 南昌南飞防火设备制造有限公司 | A kind of double track double curtain inorfil cloth fire resistance rolling shutter door |
| CN208221200U (en) * | 2018-05-18 | 2018-12-11 | 中国华西企业有限公司 | A kind of ventilation damping device |
| CN109057663A (en) * | 2018-09-06 | 2018-12-21 | 无锡市恒邦消防设备有限公司 | It is anti-to block fire resistance rolling shutter door |
| CN208935405U (en) * | 2018-11-14 | 2019-06-04 | 东莞市博雅实业有限公司 | A kind of smoke-and fire-proof regulating valve |
| CN209742732U (en) * | 2018-12-20 | 2019-12-06 | 广西南宁联纵消防设备有限公司 | Fireproof and damp-proof rolling shutter door |
| CN210020917U (en) * | 2019-04-10 | 2020-02-07 | 潮峰钢构集团有限公司 | Ventilation pipe passing-through firewall structure for high-rise building |
| CN210292201U (en) * | 2019-05-13 | 2020-04-10 | 常州市规划设计院 | Fireproof smoke exhaust system |
| CN210302109U (en) * | 2019-04-11 | 2020-04-14 | 遵化市远安门窗有限公司 | Composite inorganic fireproof rolling curtain cloth |
| CN211525630U (en) * | 2020-01-19 | 2020-09-18 | 福州威凌通风设备有限公司 | Fire-proof valve |
-
2020
- 2020-12-14 CN CN202011470568.1A patent/CN112648419B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1200980A (en) * | 1968-09-20 | 1970-08-05 | Frederick William Pantland | Improvements in and relating to fire dampers |
| GB1549781A (en) * | 1976-11-08 | 1979-08-08 | Actionair Equip | Fusible link assemblies for fire dampers |
| US4161204A (en) * | 1977-09-14 | 1979-07-17 | Kurz John C | Motorized smoke and fire damper |
| DE19701275A1 (en) * | 1997-01-16 | 1998-07-23 | Schako Metallwarenfabrik | Fire prevention valve |
| CA2629032A1 (en) * | 2007-04-25 | 2008-10-25 | Ruskin Company | Fire damper |
| KR101080692B1 (en) * | 2011-06-21 | 2011-11-08 | (주)동아풍력 | Fire dampers |
| CN203452601U (en) * | 2013-09-11 | 2014-02-26 | 刘建平 | Fireproof curtain plate door |
| CN205783522U (en) * | 2016-05-15 | 2016-12-07 | 浙江忠建消防科技有限公司 | One can blast type fire fighting smoke remover |
| CN107448129A (en) * | 2016-05-30 | 2017-12-08 | 黄争 | A kind of new fire prevention, isolation facility |
| CN208221200U (en) * | 2018-05-18 | 2018-12-11 | 中国华西企业有限公司 | A kind of ventilation damping device |
| CN207892477U (en) * | 2018-07-04 | 2018-09-21 | 南昌南飞防火设备制造有限公司 | A kind of double track double curtain inorfil cloth fire resistance rolling shutter door |
| CN109057663A (en) * | 2018-09-06 | 2018-12-21 | 无锡市恒邦消防设备有限公司 | It is anti-to block fire resistance rolling shutter door |
| CN208935405U (en) * | 2018-11-14 | 2019-06-04 | 东莞市博雅实业有限公司 | A kind of smoke-and fire-proof regulating valve |
| CN209742732U (en) * | 2018-12-20 | 2019-12-06 | 广西南宁联纵消防设备有限公司 | Fireproof and damp-proof rolling shutter door |
| CN210020917U (en) * | 2019-04-10 | 2020-02-07 | 潮峰钢构集团有限公司 | Ventilation pipe passing-through firewall structure for high-rise building |
| CN210302109U (en) * | 2019-04-11 | 2020-04-14 | 遵化市远安门窗有限公司 | Composite inorganic fireproof rolling curtain cloth |
| CN210292201U (en) * | 2019-05-13 | 2020-04-10 | 常州市规划设计院 | Fireproof smoke exhaust system |
| CN211525630U (en) * | 2020-01-19 | 2020-09-18 | 福州威凌通风设备有限公司 | Fire-proof valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001423A (en) * | 2021-11-03 | 2022-02-01 | 北京市设备安装工程集团有限公司 | Sealed non-return exhaust system |
| CN114484028A (en) * | 2022-02-22 | 2022-05-13 | 山东亚安建筑工程有限公司 | Installation process of street fireproof smoke exhaust valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112648419B (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112648419B (en) | Installation process of fireproof smoke exhaust valve and fireproof smoke exhaust valve | |
| CN207660492U (en) | A kind of fire resistant doorsets with smoke adsorption device | |
| CN208238170U (en) | Insect-and mouse-preventing device and air conditioner indoor unit with it | |
| JP5741880B2 (en) | Window door ventilation system | |
| CN116294044A (en) | Fresh air central air conditioning equipment and control method thereof | |
| CN211476238U (en) | Fire engineering is with automatic air pipe of discharging fume | |
| CN211851516U (en) | Prevent fire door with smog adsorbs function | |
| CN213999407U (en) | Constant temperature dehumidification safety intelligence tool cabinet | |
| CN212566121U (en) | Haze full-heat new trend dehumidifier is prevented to hanging | |
| CN210267631U (en) | Multi-air-duct exhaust system | |
| KR102117090B1 (en) | Rechargeable smoke exhaust system for fire fighting | |
| CN213810858U (en) | Connecting structure of air supply duct and indoor unit | |
| JP2826256B2 (en) | Air conditioning and smoke exhaust system | |
| JP4659101B2 (en) | Air conditioner with ventilation function | |
| CN213713253U (en) | Fresh air system air pipe structure | |
| CN210154018U (en) | Fire-fighting smoke exhaust system | |
| KR200391419Y1 (en) | Natural ventilating device for building | |
| KR101293846B1 (en) | Ventilation equipment for window | |
| CN218234493U (en) | Large-scale equipment sound insulation room | |
| CN215859822U (en) | Air purification door with fireproof heat-resistant structure | |
| CN210087639U (en) | Noise-reducing smoke-discharging fan | |
| CN215275557U (en) | Fire control cabinet with dustproof construction | |
| CN216522185U (en) | Fire-fighting smoke exhaust pipeline | |
| CN214664826U (en) | Ceiling air conditioning device and air conditioning system | |
| CN217109882U (en) | Fresh air control system for controlling concentration of carbon dioxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |