CN202452630U - Construction ventilator with fire-proof valve - Google Patents

Abstract

The utility model discloses a construction ventilator with a fire-proof valve. The ventilator is arranged on a vent of an indoor/outdoor wall of a construction and performs natural ventilation. When the construction is in a good air-tightness state and free of energy consumption, outdoor air having mist, dust and noise is subjected to purification processing of demisting, dedusting, sound-absorbing, denosing inside an insect prevention filter screen, the fire-proof valve, an air guide pipe, two layers of dedusting filtration cloth and a two-stage filtering dedusting purifying device through the pressure difference of indoor/outdoor air and the heat different of indoor temperature heat, the demisting effect on mist droplets of a diameter of 5.0 mu m reaches 90%, the dedusting effect on inhale particles of particulate matter (PM) 2.5 reaches 85%, the sound-absorption and denoising capabilities reach 35 decibels, the fire-proof valve is arranged and is used for preventing fire from spreading after fire happens, or when harmful gas enters an interior of a room via the construction ventilator, the fire-proof valve is closed through an automatic temperature control method and a manual method, and the construction ventilator often can keep indoor air quality and has energy-saving and safe effect on the premise that the personal safety is guaranteed.

Description

The building ventilation device that has fire-protection valve

Technical field

The a kind of of the utility model is the building ventilation device that has fire-protection valve; Relate on the gravity-flow ventilation mouth that building indoor and outdoor body of wall offered and implement the gravity-flow ventilation ventilation; And not having energy consumption plays beyond the function of dedusting and demist, sound-absorbing and noise reduction the outdoor air that contains droplet (the vaporific water droplet of liquid), dust (solid particulate matter), noise; The purpose that fire-protection valve is set is to prevent fire in case fire spreading or pernicious gas after taking place flow into indoor through the natural air inlet mouth; To guarantee that indoor personal safety is a prerequisite, often keep the building energy conservation of IAQ and the environmental protection field of safety.

Background technology

The outdoor fog that contains, dust, noise and the indoor formaldehyde that contains, benzene, volatility chemical organic compounds matter contaminated airs such as (TVOC) are but endangering people's respiratory tract and cardiovascular system momently, influence the health of human body; So on civil buildings, adopt gravity-flow ventilation; Flowing into of outdoor fog, dust, noise is indoor; Be that the expert generally believes it is the problem that is difficult to solve on the world architecture industry with professors; In building gravity-flow ventilation process, the building ventilation device that has fire equipment was not also seen the precedent that is provided with; Certain skyscraper because the insulation material that causes with fiery misoperation catches fire, causes considerable personnel casualty accidents reason to be in process of construction, and fire spreading and harmful poisonous gas flow into indoor from the outdoor ventilation mouth; The professional and technical personnel who supposes architectural design has prediction and the words of fully paying attention to; Ventilating opening possesses fire equipment and measure; Harmful poisonous gas flow into indoor possibility via ventilating opening in the time of just can stoping or avoid fire to take place, and the personnel casualty accidents that causes fire is controlled in the Min.; And building is realized gravity-flow ventilation, is to reduce room air pollution and prevent one of main path of anthracemia, but must considers that again building should possess fire equipment and be provided with lightning measure.Therefore, be necessary newly developed a kind of can the gravity-flow ventilation process in, possess beyond the function of rainproof and insect protected, dedusting and demist, sound-absorbing and noise reduction, must be provided with the building ventilation device that has fire-protection valve of fire equipment and lightning measure again.

Summary of the invention

The utility model is to solve above-mentioned technical problem through a series of technical characterictics.

Described a kind of building ventilation device (1) that has fire-protection valve; It is characterized in that: be located on the ventilating opening (2) of building indoor and outdoor body of wall; According to thickness of wall body from an outdoor air guide pipe (7), fire-protection valve case (8), the insect protected filter screen (14) established successively; Between hurricane globe (15) and fire-protection valve case (8), use hurricane globe connecting screw rod (16) hurricane globe fixed screw (17) on the lateral surface of fire-protection valve case (8) flange medial surface and hurricane globe (15), be connected and fix; In the circular hole of ventilating opening (2), be provided with dedusting that dust removal filter cloth (4a), supporting baffle (5a), one-level filter and strive makeup and put the dedusting of (3a), supporting baffle (5b), rectification passage (6), supporting baffle (5c), cascade filtration and strive makeup and put (3b), supporting baffle (5d), dust removal filter cloth (4b), room ventilation grid (18), scalable room ventilation baffle plate (19) with the air inflow direction, can indoor connecting screw rod (20) run through dust removal filter cloth (4a, 4b), supporting baffle (5a, 5b, 5c, 5d), between the dedusting that the one-level between the connecting bolt sleeve pipe (26) is filtered strive makeup put the dedusting of (3a) and cascade filtration strive makeup put the centre bore that is provided with on (3b), room ventilation grid (18), the adjustable room ventilation baffle plate (19), be weldingly fixed on air guide pipe (7) upward the setscrew nut (21) of an outdoor side be connected after fix; In the circular hole of fire-protection valve case (8), be provided with two fans with two of symmetrical semicircle fire-protection valve (10), up and down of vertical center line with the symmetrical fire-protection valve alignment pin (12) of horizontal center line, spring (12a); On semicircle fire-protection valve (10) center, be provided with the cylindrical hole that can insert fire-protection valve alignment pin (12); Fix with securing member (13) with fire-protection valve; At semicircle fire-protection valve (10) outer ledge place; Being provided with fire-protection valve, to be used for the two semicircle fire-protection valves of fan (10) with folder hoop (11) be when locating on the vertical center line, uses the two ends of each stainless steel soft steel wire rope (11b) to pass fire-protection valve cylindrical hole (10a) and folder hoop respectively again and form with circular hole (11a) the back structure that ties down of tiing a knot.

Described hurricane globe (15), the circular case (8) of fire-protection valve, insect protected filter screen (14); Semicircle fire-protection valve (10); Fire-protection valve is with folder hoop (11), stainless steel soft steel wire rope (11b), spring (12a); It is characterized in that: establish a hurricane globe wind-guiding on the central plane of hurricane globe (15) with groove (15a); Its bottom portion of groove center circle diameter be hurricane globe (15) cylindrical planar diameter 1/6～1/7 between, through 45 ° of inclined-planes stretch out combination, with the round diameter of hurricane globe (15) cylindrical Plane intersects be 2 times of center circle diameter, the hurricane globe wind-guiding is 20mm with the degree of depth of groove (15a); The fillet, its degree of depth that the edge side of disk has a radius 3mm outside hurricane globe (15) for the high flanging for 5mm in protrusion plane as reinforcement; Be provided with the aperture in the flange face inboard of the circular case of fire-protection valve (8) and be 2.5mm with interior insect protected filter screen (14), be fixed in its flange face inboard with the spot welding mode; The centre bottom of the circular case of fire-protection valve (8), establish one wide for 5mm, length be the waist shape discharge outlet (8a) of 15mm; Between faced chamber's wall face one side, the end face area 7～8mm, be provided with the M3～M5mm screwed hole of 4 equal five equilibriums apart from the circular case of fire-protection valve (8); On the flange face of the circular case of fire-protection valve (8), be provided with 4～5mm circular hole of 4 equal five equilibriums; 4 hurricane globe connecting screw rods (16) are set between hurricane globe (15); The screw diameter of hurricane globe connecting screw rod (16) is made as 8～10mm, length is between 75～90mm; Its two ends are provided with M3～M4mm, the degree of depth is the screwed hole between 10～12mm, and the circular case (8) of fire-protection valve and the hurricane globe (15) that connect the left and right sides with hurricane globe fixed screw (17) are fixed; Between the 10～12mm inboard apart from the flange face of the circular case of fire-protection valve (8); If top and bottom are with the fire-protection valve alignment pin (12) and the spring (12a) of horizontal center line symmetry; The top outside diameter of fire-protection valve alignment pin (12) is made as 8～10mm, length is between 14～16mm; And an end of alignment pin, its outside diameter is made as 5～6mm; About the center of the two semicircle fire-protection valves of fan (10) be provided with mutual intersection, can be used for the location and can insert the cylindrical hole and the spring (12a) of fire-protection valve alignment pin (12); Use two fire-protection valves with securing member (13) in top and bottom; Passing and establishing a up and down diameter at the circular case of fire-protection valve (8) is the cylindrical hole between 7～8mm, is connected fixing semicircle fire-protection valve (10) in back and spring (12a) with fire-protection valve alignment pin (12) and forms; The radius size that each semicircle fire-protection valve of fan (10) is set is than between the little 15～18mm of the circular case of fire-protection valve (8) outside dimension; And at the outer ledge place of semicircle fire-protection valve (10), establish the flanging that a degree of depth is 1.5～2.0mm, on the horizontal center line of semicircle fire-protection valve (10), between the 5～8mm at the outer ledge place of range semicircle shape fire-protection valve (10), establish the fire-protection valve circular hole (10a) that an aperture is 4～5mm; Depart from the horizontal center line of semicircle fire-protection valve (10) and to be provided with fire-protection valve on 20 ° of angles, the outer ledge junction and to be used for fixing two fan semicircle fire-protection valves (10) with folder hoop (11); Fire-protection valve is to become the groove combination similar with putting matchbox by equal flanging on L shaped folder hoop and I clevis hoop, its plane with folder hoop (11); The length of L shaped folder hoop and wide and height are made as 30 * 25 * 20mm; The length of I clevis hoop and the wide 24 * 19mm that is made as; I clevis hoop is superimposed upon wide in the groove of the L shaped folder hoop of 25mm size; The thickness of groove all is made as 5mm, press from both sides the size of hoop after overlapping according to the two semicircle fire-protection valves of fan (10), on the outside of I clevis hoop, has welded polystyrene resin (being referred to as " ABS resin " or " PS resin ") and L shaped folder hoop and has fixedly formed; The folder hoop that is equipped with diameter at L shaped folder hoop with above the I clevis hoop and is 4mm is with circular hole (11a); Being provided with diameter is that 1.5mm, length are two stainless steel soft steel wire ropes (11b) of 350mm; One end of a stainless steel soft steel wire rope (11b) passes the knotting of fire-protection valve circular hole (10a) back and ties down; And after an end walks around air guide pipe reinforcement (7b); The folder hoop that passes above the I clevis hoop ties down with the knotting of circular hole (11a) back; And an end of an other stainless steel soft steel wire rope (11b) passes another one fire-protection valve circular hole (10a) back knotting and ties down, and after an other end walks around air guide pipe reinforcement (7b), passes folder hoop above the L shaped folder hoop and ties a knot with circular hole (11a) back and tie down; In case take place at outdoor fire; When fire spreading and temperature rise to more than 120 °; Be metallic article as the circular case (8) of fire-protection valve, semicircle fire-protection valve (10), fire-protection valve with folder hoop (11), spring (12a); Has heat conductivility; Because the melting temperature of chemical property that polystyrene resin has is 120 °, when fire temperature rises to 120 °, make to come off automatically after being welded on fire-protection valve obtains dissolving with the polystyrene resin on the folder hoop (11); Semicircle fire-protection valve (10) receives spring (12a) effect and can close automatically, can stop and cut off like this harmful poisonous gas vent passage after fire spreading and fire take place and flow into indoor and play flameproof effect; Moreover; The building ventilation device that is provided with on the ventilating opening further from the intensity of a fire; When hearing the news or perceiving the machine that can flow into indoor harm people life with toxic and harmful at any time through the building ventilation device that spreads of fire; Disassemble connecting screw rod (20), dust removal filter cloth (4a, 4b), the dedusting and purifying device (3a) of one-level filtration, the dedusting and purifying device (3b) of cascade filtration indoor at once; Available finger affects each one to pull down with folder hoop (11) tying down at fire-protection valve separately with stainless steel soft steel wire rope (11b), and semicircle fire-protection valve (10) is opened the corresponding fire prevention measure that then just can close ventilating opening automatically.

Described air guide pipe (7); It is characterized in that: it is stepped to have big small circular; In outside diameter is little one section ventilating opening (2) that is embedded in body of wall; One section that outside diameter is big is located at the body of wall outside, and the air guide pipe flange face (7a) of a side sticks the metope in the outside outside the faced chamber, between the metope side 10～12mm apart from air guide pipe flange face (7a), the cylindrical of outside is provided with 4 6～8mm circular holes that are five equilibrium; On the cylindrical of an indoor side air guide pipe (7); Between 10～12mm apart from air guide pipe circular flat; Be provided with a rubber seal (24), with prevent outdoor rainwater along ventilating opening (2) and have slit between the building ventilation device (1) of fire-protection valve flow into indoor maybe; To establish a center hole and 4～6 width are set on dedusting and purifying device (3a) circular flat that an indoor side one-level filters be the air guide pipe reinforcement (7b) between 5～6mm and be intended for; In each reinforcement, all strike out semi-circular recesses in the heart; The diameter of semi-circular recesses is between 2～3mm; Carry out the flanging of 1mm protrusion again in the outside of reinforcement; Side outside the faced chamber is established an air guide pipe outer flange face (7a) and centralized positioning nut (21), and the diameter of its nut is made as M5～M6mm, and centralized positioning nut (21) is fixed on the central plane of the outdoor side of air guide pipe with welding manner; Establish a connecting screw rod (20) at ventilating opening horizontal center position; The connecting screw rod head portion that is in an indoor side is made as stairstepping; Its external diameter is made as between 18～20mm; Length is made as between 28～30mm; And a kind of connecting screw rod protective cover (23) that has possessed insulating properties is set externally; Connecting screw rod head portion in an outdoor side is provided with screw thread; The external diameter of its screw thread is made as M5～M6mm, and the length of screw thread is made as between 25～30mm, and connecting screw rod all can pass dedusting that air guide pipe (7), dust removal filter cloth (4a, 4b), supporting baffle (5a, 5b, 5c, 5d), one-level filter and strive makeup and put the dedusting of (3a), cascade filtration and strive makeup and put the centre bore that is provided with between (3b), room ventilation grid (18), the adjustable room ventilation baffle plate (19) and be connected with centralized positioning nut (21) on being weldingly fixed on the outdoor side circular flat of air guide pipe; On the end of an outdoor side air guide pipe (7), be provided with a circular gradient and be 15 ° horn mouth, bell-mouthed length is made as between 8～10mm; After inserting an outdoor side air guide pipe (7) to the circular case of fire-protection valve (8), be provided with 4 6～8mm circular holes that are five equilibrium, be provided with fire-protection valve circle case (8) and fix after 4 M4～M5mm screwed holes that are five equilibrium are connected with air guide pipe (7) cylindrical of securing member (9) through the outside with case; Also be in order to prevent because after outdoor the raining, rainwater flow into indoor possibility along the slit of outdoor metope, uses silica gel (22) to seal along air guide pipe flange face (7a) the cylindrical side that sticks on an outdoor side wall.

Described supporting baffle (5a, 5b, 5c, 5d); It is characterized in that: be provided with central plane groove and L shaped cylindrical baffle ring; Interconnect with it through 4～6 reinforcements; Also be provided with groove on the reinforcement, the width of establishing a reinforcement is identical with the thickness of the degree of depth of groove and L shaped cylindrical baffle ring, is set between 2～4mm; Strive the both sides of some groups right side geometric form flase floor (31a, 31b) that makeup puts (3a, 3b) in setting, left side geometric form flase floor (32a, 32b), right side geometric form central shaft (40a, 40b), left side geometric form central shaft (41a, 41b) in dedusting; In the central plane groove of the supporting baffle that embedding is complementary (5a, 5b, 5c, 5d) and the groove on the reinforcement and the L shaped cylindrical baffle ring, strive to disguise with the dedusting that makes it to form dedusting and purifying device (3a) that one-level filters and cascade filtration after the adhesive and put (3b).

Described rectification passage (6); It is characterized in that: be to constitute by connecting screw rod sleeve pipe (26), rectification passage connection lining (25a, 25b), supporting baffle (5b, 5c); If a connecting screw rod sleeve pipe be connected with the rectification passage in supporting baffle (5b, the 5c) central recess that lining (25a, 25b) is embedded in dedusting and purifying device (3a) that one-level filters and the dedusting and purifying device (3b) of cascade filtration respectively with cylindrical on and on the central plane, connecting screw rod sleeve pipe (26) is arranged on the cylindrical of connecting screw rod (20); And the other end that the end that the rectification passage connects lining (25a) connects lining (25b) with step-like hole, rectification passage is with the ladder oblique crank Z; Be connected after embedding with the form in axle and hole each other; Make the space and the distance of rectification passage (6) be set between 40～200mm, or can regulate its space and distance according to the thickness of body of wall, purpose is to play that the airflow filtering passage (48a) that one-level is filtered produces the rectification of turbulent flow and to the sound-absorbing and the noise reduction effect of high intermediate frequency noise.

The dedusting and purifying device (3a) that described one-level is filtered and the dedusting and purifying device (3b) of cascade filtration; It is characterized in that: on the inclined-plane of right side geometric form central shaft (40a, 40b) and left side geometric form central shaft (41a, 41b), be provided with 4 and be evenly distributed, widely be the central shaft groove of 5mm (45a, 45b); And on right side geometric form central shaft (40a, 40b) and left side geometric form central shaft (41a, 41b), be equipped with the central shaft hole (42a, 42b) that connects with connecting screw rod (20); The central shaft that is positioned on the horizontal center line is the inboard through central shaft T shape connecting ring (46a, 46b); Connect right side geometric form central shaft (40a, 40b) and left side geometric form central shaft (41a, 41b) with adhesive; And the inboard of central shaft umbrella H shape connecting ring (47a, 47b) also is to connect two central shaft umbrella inclined-planes (43a, 43b) with adhesive; Right side geometric form central shaft (40a, 40b) and left side geometric form central shaft (41a, 41b) are that the axle center makes that the parts of the left and right sides are symmetrical with the vertical center line of central shaft T shape connecting ring (46a, 46b); Its two ends all are made as horizontal ends; And establish that a horizontal ends is incorporated into upwards downwards, inclined-plane that the direction on left side and right side tilts simultaneously and form a umbrella shape shape; Have the gradient the other end and 5 step slots, the downward-sloping horizontal ends that is incorporated into makes progress; Establish a semicircle groove after its umbrella shape shape and straight vertical edged surface are tangent, make it to become center umbrella spill accumulator tank (44a, 44b); Be located at central shaft hole (42a, 42b) horizontal center line below or top and be equipped with horizontal sound-absorbing back-up ring (36a, 36b), also be equipped with horizontal sound-absorbing back-up ring (36a, 36b) at lower surface that is in central shaft umbrella H shape connecting ring (47a, 47b) the horizontal center axis of symmetry or upper surface equally being in the lower surface or the upper surface of central shaft T shape connecting ring (46a, 46b) with the vertical centre axis of symmetry; 45 ° of a inclined-planes of the interior outside horizontal plane of right side geometric form flase floor (31a, 31b) and right side (311a, 311b) each other handing-over back, stairstepping up or down again the 45 ° of b inclined-planes in water receiving plane and right side (312a, 312b) each other the handing-over back, join each other with 65 ° of scarves in right side (313a, 313b) again; And the handing-over each other of 65 ° of scarves (313a, 313b) and flase floor horizontal plane (49a, 49b) is provided with right side flase floor C shape opening (37a, 37b) on the inboard of horizontal plane or outside extending structure face; 45 ° of a inclined-planes of interior outside horizontal plane and left side (321a, 321b) of left side geometric form flase floor (32a, 32b) each other handing-over the time, again with on the outside of horizontal plane or inboard extending structure face, be provided with left side flase floor C shape opening (38a, 38b) and join each other that the 25 ° of b inclined-planes in water receiving plane and left side (322a, 322b) is mutual more up or down joins in flase floor horizontal plane (49a, 49b) back, stairstepping; Moreover; 45 ° of a inclined-planes (321a, 321b), left side with the 25 ° of b inclined-planes in water receiving plane and left side (322a, 322b) is mutual more up or down join after; With 25 ° of b inclined-planes of horizontal plane and left side (322a, 322b) of the inside and outside side outlet end of left side geometric form flase floor (32a, 32b) each other on the interior lateral surface of handing-over, can form its horizontal plane and perpendicular 90 ° of right angle faces in left side (323a, 323b) again; On 90 ° of right angle faces in left side (323a, 323b), establish a semi-circular recesses (324a, 324b); The diameter of semi-circular recesses (324a, 324b) is made as 2mm, uses adhesive to stick on vertical sound-absorbing back-up ring (39a, 39b) on the 90 ° of right angle faces in left side (323a, 323b) and fixes; And binding site is combined into one group of, band W font symmetrical with horizontal center line or up or down with the geometry flase floor of M font in the middle of the both sides of right side geometric form flase floor (31a, 31b), left side geometric form flase floor (32a, 32b) and T shape connecting ring (33a, 33b); On two groups of band W fonts or two inboard grooves and outside T shape connecting ring (35a, 35b) of geometry flase floor through insertion H shape connecting ring (34a, 34b) with the M font; Using adhesive to interconnect respectively fixes; Each different size band W font or with the spacing of the geometry flase floor of M font, be arranged between 15～20mm with the spacing of the central shaft that matches; And correspond in the central plane groove and groove on the reinforcement and L shaped cylindrical baffle ring of each two supporting baffle that are complementary (5a, 5b, 5c, 5d), thereby can be arranged in the gas filtration passage (48a) of some one-levels filtrations, the gas filtration passage (48b) of cascade filtration.

The gas filtration passage (48a) that described one-level is filtered and the gas filtration passage (48b) of cascade filtration is characterized in that: each a different size band W font or a horizontal sound-absorbing back-up ring plane (50a, 50b) that is provided with the inboard up or down flase floor horizontal plane (49a, 49b) of the geometry flase floor of M font, with H shape connecting ring (34a, 34b) outer ring up or down, the horizontal plane gap size that reaches between the horizontal sound-absorbing back-up ring plane (50a, 50b) that central shaft umbrella H shape connecting ring (47a, 47b) outer ring up or down that right side geometric form central shaft (40a, 40b) and left side geometric form central shaft (41a, 41b) combine is provided with are set between 0～0.3mm; And on the interior outside of left side geometric form flase floor (32a, 32b); Each two vertical sound-absorbing back-up ring (39a, 39b) that the left side that is provided with 90 ° of right angle faces (323a, 323b) is sticked; And vertical sound-absorbing back-up ring plane (51a, 51b), and gas inflow direction outside the faced chamber; When the outdoor air that contains fog, dust, noise is flow into the gas filtration passage (48b) of gas filtration passage (48a) that one-level filters or cascade filtration after shunting separation in; By on right side geometric form flase floor (31a, 31b) and left side geometric form flase floor (32a, 32b) and interconnective, as to be in diverse location T shape connecting ring (33a, the 33b) cylindrical and be on the inside and outside circle of H shape connecting ring (34a, 34b) of diverse location; The horizontal sound-absorbing back-up ring (36a, 36b) that sticks combines and after forming two groups of band W fonts or taking place when contacting to dash forward in the inertia with the vertical sound-absorbing ring washer plane (51a, 51b) of 45 ° of a inclined-planes, right side (311a, 311b) of the geometry flase floor of M font, 45 ° of b inclined-planes, right side (312a, 312b), 65 ° of scarves in right side (313a, 313b), 45 ° of inclined-planes, left side (321a, 321b), 25 ° of inclined-planes, left side (322a, 322b), the outer gas inflow direction of faced chamber; Can form one vortex backflow and centrifugal force at the internal and external parts of the horizontal sound-absorbing back-up ring (36a, 36b) in the gas filtration passage (48b) of gas filtration passage (48a) that one-level is filtered or cascade filtration, right side flase floor C shape opening (37a, 37b), left side flase floor C shape opening (38a, 38b); Under centrifugal action; In the gas filtration passage (48a) that each one-level is filtered or the gas filtration passage (48b) of cascade filtration; Each bar can form 12 negative pressure regions (52a, 52b), and just the gas filtration passage of a whole piece can form 24 negative pressure regions (52a, 52b).

Described horizontal sound-absorbing back-up ring (36a, 36b) and vertical sound-absorbing back-up ring (39a, 39b); It is characterized in that: by gathering the new material that third ethene and the rubber is synthesized; Stick on horizontal sound-absorbing back-up ring (36a, 36b) on the cylindrical of two groups of being on the diverse location or two groups of above T type connecting rings (33a, 33b), central shaft T shape connecting ring (46a, 46b), on the interior circle of the cylindrical of the inside and outside circle of one group of H shape connecting ring (34a, 34b) and central shaft umbrella H shape connecting ring (47a, 47b) and outside T shape connecting ring (35a, 35b); Its thickness is made as 3mm, and width is between 9～10mm; And vertical sound-absorbing back-up ring (39a, 39b) sticks on the 90 ° of right angle faces in left side (323a, 323b) more than two groups or two groups that are on the diverse location, and its thickness is made as 3mm, and width is between 6～7mm; No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference as driving force; Passed through action of centrifugal force again and can form 24 negative pressure regions (52a, 52b) at the gas filtration passage of a whole piece; Be pushed into the contaminated air that contains fog, dust, noise in each negative pressure region (52a, 52b) along band W font or with the wooden partition of the geometry flase floor of M font, reached the purpose of demist and dedusting; Be arranged on band W font or with the horizontal sound-absorbing back-up ring (36a, 36b) of the geometry flase floor of M font and the sound-absorbing of vertical sound-absorbing back-up ring (39a, 39b), sound equipment retroeflection and rebound effect on the geometric configuration; When the noise that flow into indoor senior middle school low frequency is little by little weakened, played sound-absorbing and noise reduction capability and reached average effect more than 35 decibels.

Described dust removal filter cloth (4a, 4b); It is characterized in that: a dust removal filter cloth (4a) is arranged between the supporting baffle (5a) of the outdoor side of dedusting and purifying device (3a) that air guide pipe (12) and one-level filter; Another dust removal filter cloth (4b) is arranged between the supporting baffle (5d) and room ventilation grid (18) of the indoor side of dedusting and purifying device (3b) of cascade filtration, and the thickness of each dust removal filter cloth (4a, 4b) is arranged between 3～5mm.

Described room ventilation grid (18), scalable room ventilation baffle plate (19); It is characterized in that: on room ventilation grid (18), be provided with and correspond to each band W font or with room ventilation grid ring (18a) and 4～6 room ventilation grid reinforcements (18b) and the room ventilation grid circular flange face (18c) of the geometry flase floor of M font; If the thickness of a room ventilation grid ring (18a) is made as 2～3mm, the degree of depth is made as between 13～15mm; The width and the thickness of room ventilation grid reinforcement (18b) are made as between 2～3mm; Be provided with the waist connected in star and the reinforcement of 12 equal five equilibriums on the body of wall ventilating opening (2) in room ventilation grid circular flange face (18c) and faced chamber, the width of its reinforcement is made as between 3～4mm; Room ventilation grid (18) leans on an indoor side to have scalable room ventilation baffle plate (19) to match; Scalable room ventilation baffle plate (19) is provided with room ventilation grid ring (18a) side that scalable air deflector inclined-plane (19c) and elongated surfaces be embedded in room ventilation grid (18) and rests above the room ventilation grid ring (18a); 4 reinforcements through being located at scalable air deflector inclined-plane (19c) interconnect; The thickness of reinforcement is made as between 2～3mm; On each reinforcement, also be provided with semicircle air deflector with handle (19a); Be provided with the groove that can embed 4～6 room ventilation grid reinforcements (18b) in the bottom on scalable air deflector inclined-plane (19c); The width of its groove and the degree of depth all are made as between 3～4mm, on the outermost disk of elongated surfaces on scalable air deflector inclined-plane (19c), also be provided with equal equal angles more than 12, diameter is the scalable room ventilation baffle plate circular hole (19b) between 4～5mm; Can hold the connecting screw rod protective cover (23) that tightly is enclosed within on the connecting screw rod (20), the connecting screw rod (20) that a little firmly can relax and be fixed on scalable room ventilation baffle plate (19) through finger indoor; Outwards moving of lax back scalable room ventilation baffle plate (19) is of a size of in 13～15mm; And then bimanual finger pinches semicircle air deflector and is pulled outwardly with handle (19a); With scalable room ventilation baffle plate (19), can play the air quantity size that conditioning chamber flow into room air outward.

The apparatus structure of the utility model is simple, compact and reasonable; Be installed on the gravity-flow ventilation mouth that building indoor and outdoor body of wall offered and implement the gravity-flow ventilation ventilation; No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference as driving force; Collecting rainproof filtration and purified treatment with insect protected, demist and dedusting, sound-absorbing and noise reduction is outside the one function; The purpose that fire-protection valve is set is; Prevent fire in case fire spreading after taking place or pernicious gas flow into indoorly through the natural air inlet mouth, make the healthy residence that to breathe, dynamic shape is arranged, effectively utilize natural resources and reach the remarkable advantage of building energy conservation and non-carbon-emitting, safe environmental protection.

Description of drawings

The whole cutaway view that Fig. 1 is implemented for the utility model device;

Fig. 2 is the A-A view among Fig. 1;

Fig. 3 is the B-B cutaway view among Fig. 1;

Fig. 4 is the C-C cutaway view among Fig. 1;

Fig. 5 is the D-D view among Fig. 1;

Fig. 6 is the amplification view of the dedusting filter among Fig. 1.

Description of symbols among the figure

1-has the building ventilation device of fire-protection valve, 2-body of wall ventilating opening, the dedusting filter that the 3a-one-level is filtered, the dedusting filter of 3b-cascade filtration, 4a, 4b-dust removal filter cloth; 5a, 5b, 5c, 5d-supporting baffle, 6-rectification passage, 7-air guide pipe, 7a-air guide pipe flange face, 7b-air guide pipe reinforcement; The circular case of 8-fire-protection valve, the circular case discharge outlet of 8a-, the 9-case is used securing member, the semicircle fire-protection valve of 10-, 10a-fire-protection valve circular hole; The 11-fire-protection valve is with the folder hoop, and 11a-folder hoop is used circular hole, 11b-stainless steel soft steel wire rope, 12-fire-protection valve positioning screw, 12a-spring; The 13-fire-protection valve is used securing member, 14-insect protected filter screen, and the 15-hurricane globe, 15a-hurricane globe wind-guiding is used trapezoidal tongue, 16-hurricane globe connecting screw rod; 17-hurricane globe fixed screw, 18-room ventilation grid, 18a-room ventilation grid ring, 18b-room ventilation grid reinforcement, 18c-room ventilation grid circular flange face; 19-scalable room ventilation baffle plate, the semicircle air deflector of 19a-is used handle, 19b-scalable room ventilation baffle plate circular hole, 19c-scalable air deflector inclined-plane; The 20-connecting screw rod, 21-setscrew nut, 22-silica gel, 23-connecting screw rod protective cover; The 24-rubber seal, 25a, 25b-rectification passage connect lining, 26-connecting screw rod sleeve pipe, 31a, 31b-right side geometric form flase floor; 311a, 45 ° of a inclined-planes, 311b-right side, 312a, 45 ° of b inclined-planes, 312b-right side, 313a, the 65 ° of scarves in 313b-right side, 32a, 32b-left side geometric form flase floor; 321a, 45 ° of inclined-planes, 321b-left side, 322a, 25 ° of inclined-planes, 322b-left side, 323a, the 90 ° of right angle faces in 323b-left side, 324a, 324b-semi-circular recesses; 33a, 33b-T shape connecting ring, 34a, 34b-H shape connecting ring, 35a, 35b-outside T shape connecting ring, 36a, the horizontal sound-absorbing back-up ring of 36b-; 37a, 37b-right side flase floor C shape opening, 38a, 38b-left side flase floor C shape opening, 39a, the vertical sound-absorbing back-up ring of 39b-, 40a, 40b-right side geometric form central shaft, 41a, 41b-left side geometric form central shaft; 42a, 42b-central shaft hole, 43a, 43b-central shaft umbrella inclined-plane, 44a, 44b-central shaft umbrella spill accumulator tank, 45a, 45b-central shaft groove; 46a, 46b-central shaft T shape connecting ring, 47a, 47b-central shaft umbrella H shape connecting ring, the airflow filtering passage that the 48a-one-level is filtered, the airflow filtering passage of 48b-cascade filtration; 49a, 49b-flase floor horizontal plane, 50a, 50b-sound-absorbing back-up ring plane, 51a, the vertical sound-absorbing back-up ring of 51b-plane, 52a, 52b-negative pressure region.

The specific embodiment

Be described further below in conjunction with embodiment and accompanying drawing technical characterictic the utility model.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; Described a kind of building ventilation device 1 that has fire-protection valve; Be located on the ventilating opening 2 of building indoor and outdoor body of wall; According to thickness of wall body from an outdoor air guide pipe 7, fire-protection valve case 8, the insect protected filter screen 14 established successively; Between hurricane globe 15 and fire-protection valve case 8, use hurricane globe connecting screw rod 16 hurricane globe fixed screw 17 on the lateral surface of fire-protection valve case 8 flange medial surfaces and hurricane globe 15, be connected and fix; In the circular hole of ventilating opening 2, be provided with dedusting that dust removal filter cloth 4a, supporting baffle 5a, one-level filter and strive makeup and put the dedusting of 3a, supporting baffle 5b, rectification passage 6, supporting baffle 5c, cascade filtration and strive makeup and put 3b, supporting baffle 5d, dust removal filter cloth 4b, room ventilation grid 18, scalable room ventilation baffle plate 19 with the air inflow direction, can indoor connecting screw rod 20 run through the centre bore that is provided with on dust removal filter cloth 4a, 4b, supporting baffle 5a, 5b, 5c, 5d, the dedusting and purifying device 3b, room ventilation grid 18, adjustable room ventilation baffle plate 19 between dedusting and purifying device (3a) that the one-level between the connecting bolt sleeve pipe 26 is filtered and cascade filtration, be weldingly fixed on air guide pipe 7 on the setscrew nut 21 of an outdoor side fix after being connected; In the circular hole of fire-protection valve case 8, be provided with two fans with two of the symmetrical semicircle fire-protection valves 10 of vertical center line, up and down with the symmetrical fire-protection valve alignment pin 12 of horizontal center line, spring 12a; On semicircle fire-protection valve 10 centers, be provided with the cylindrical hole that can insert fire-protection valve alignment pin 12; Fix with securing member 13 with fire-protection valve; At semicircle fire-protection valve 10 outer ledge places; Being provided with fire-protection valve, to be used for the semicircle fire-protection valve 10 of two fans with folder hoop 11 be when locating on the vertical center line, passes fire-protection valve cylindrical hole 10a respectively with the two ends of each stainless steel soft steel wire rope 11b again and the folder hoop is formed with the structure that ties down of tiing a knot behind the circular hole 11a.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; A kind of circular case 8 of hurricane globe 15, fire-protection valve, insect protected filter screen 14 that is provided with in the building ventilation device 1 of fire-protection valve that have, semicircle fire-protection valve 10, fire-protection valve is with folder hoop 11; Stainless steel soft steel wire rope 11b; Spring 12a establishes a hurricane globe wind-guiding and uses groove 15a on the central plane of hurricane globe 15, its bottom portion of groove center circle diameter be hurricane globe 15 cylindrical planar diameter 1/6～1/7 between; Through 45 ° of inclined-planes stretch out combination, with the round diameter of hurricane globe 15 cylindrical Plane intersects are 2 times of center circle diameter, the hurricane globe wind-guiding uses the degree of depth of groove 15a to be 20mm; The fillet, its degree of depth that the edge side of disk has a radius 3mm outside hurricane globe 15 for the high flanging for 5mm in protrusion plane as reinforcement; Be provided with the aperture in the flange face inboard of the circular case 8 of fire-protection valve and be 2.5mm with interior insect protected filter screen 14, be fixed in its flange face inboard with the spot welding mode; The centre bottom of the circular case 8 of fire-protection valve, establish one wide for 5mm, length be the waist shape discharge outlet 8a of 15mm; Between faced chamber's wall face one side, the end face area 7～8mm, be provided with the M3～M5mm screwed hole of 4 equal five equilibriums apart from the circular case 8 of fire-protection valve; On the flange face of the circular case 8 of fire-protection valve, be provided with 4～5mm circular hole of 4 equal five equilibriums; 4 hurricane globe connecting screw rods 16 are set between hurricane globe 15; The screw diameter of hurricane globe connecting screw rod 16 is made as 8～10mm, length is between 75～90mm; Its two ends are provided with M3～M4mm, the degree of depth is the screwed hole between 10～12mm, fix with hurricane globe 15 with the circular case 8 of the fire-protection valve of the hurricane globe fixed screw 17 connection left and right sides; Between the 10～12mm inboard apart from the flange face of the circular case 8 of fire-protection valve; If top and bottom are with the fire-protection valve alignment pin 12 and spring 12a of horizontal center line symmetry; The top outside diameter of fire-protection valve alignment pin 12 is made as 8～10mm, length is between 14～16mm; And an end of alignment pin, its outside diameter is made as 5～6mm; About the center of the semicircle fire-protection valve 10 of two fans be provided with mutual intersection, can be used for locating and can inserting the cylindrical hole and the spring 12a of fire-protection valve alignment pin 12; Use two fire-protection valves with securing member 13 in top and bottom; Passing and establishing a up and down diameter at the circular case 8 of fire-protection valve is the cylindrical hole between 7～8mm, is connected fixing semicircle fire-protection valve 10 in back and spring 12a with fire-protection valve alignment pin 12 and forms; The radius size that the semicircle fire-protection valve 10 of each fan is set is than between the little 15～18mm of circular case 8 outside dimensions of fire-protection valve; And at the outer ledge place of semicircle fire-protection valve 10, establish the flanging that a degree of depth is 1.5～2.0mm, on the horizontal center line of semicircle fire-protection valve 10, between the 5～8mm at the outer ledge place of range semicircle shape fire-protection valve 10, establish the fire-protection valve circular hole 10a that an aperture is 4～5mm; Depart from the horizontal center line of semicircle fire-protection valve 10 and to be provided with fire-protection valve on 20 ° of angles, the outer ledge junction and to be used for fixing the semicircle fire-protection valve 10 of two fans with folder hoop 11; Fire-protection valve is to become the groove combination similar with putting matchbox by equal flanging on L shaped folder hoop and I clevis hoop, its plane with folder hoop 11; The length of L shaped folder hoop and wide and height are made as 30 * 25 * 20mm; The length of I clevis hoop and the wide 24 * 19mm that is made as; I clevis hoop is superimposed upon wide in the groove of the L shaped folder hoop of 25mm size; The thickness of groove all is made as 5mm, and the size after the semicircle fire-protection valve 10 quilt folder hoops of foundation two fans are overlapping has been welded polystyrene resin (being referred to as " ABS resin " or " PS resin ") and L shaped folder hoop and fixedly formed on the outside of I clevis hoop; The folder hoop that is equipped with diameter at L shaped folder hoop with above the I clevis hoop and is 4mm is used circular hole 11a; Being provided with diameter is that 1.5mm, length are two stainless steel soft steel wire rope 11b of 350mm; The end of a stainless steel soft steel wire rope 11b passes to tie a knot behind the fire-protection valve circular hole 10a and ties down; And after an end walks around air guide pipe reinforcement 7b, pass folder hoop above the I clevis hoop and tie a knot after with circular hole 11a and tie down, and the end of an other stainless steel soft steel wire rope 11b passes to tie a knot behind the another one fire-protection valve circular hole 10a and ties down; And after an other end walks around air guide pipe reinforcement 7b, pass folder hoop above the L shaped folder hoop and tie a knot after with circular hole 11a and tie down; In case take place at outdoor fire; When fire spreading and temperature rise to more than 120 °; Be metallic article as the circular case 8 of fire-protection valve, semicircle fire-protection valve 10, fire-protection valve with folder hoop 11, spring 12a; Has heat conductivility; Because the melting temperature of chemical property that polystyrene resin has is 120 °, when fire temperature rises to 120 °, make to come off automatically after being welded on fire-protection valve obtains dissolving with the polystyrene resin on the folder hoop 11; Semicircle fire-protection valve 10 receives spring 12a effect and can close automatically, can stop and cut off like this harmful poisonous gas vent passage after the generation of fire spreading and fire and flow into indoor and play flameproof effect; Moreover; The building ventilation device that is provided with on the ventilating opening further from the intensity of a fire; When hearing the news or perceiving the machine that can flow into indoor harm people life with toxic and harmful at any time through the building ventilation device that spreads of fire; Striving the dedusting and purifying device 3b that makeup puts 3a, cascade filtration in indoor dedusting of filtering connecting screw rod 20, dust removal filter cloth 4a, 4b, one-level at once disassembles; Available finger affects each one to pull down with folder hoop (11) tying down at fire-protection valve separately with stainless steel soft steel wire rope 11b, and semicircle fire-protection valve 10 is opened the corresponding fire prevention measure that then just can close ventilating opening automatically.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; Described a kind of air guide pipe 7 that is provided with in the building ventilation device 1 of fire-protection valve that has; It is stepped to have big small circular; In outside diameter is little one section ventilating opening 2 that is embedded in body of wall; One section that outside diameter is big is located at the body of wall outside, and the air guide pipe flange face 7a of a side sticks the metope in the outside outside the faced chamber, between the metope side 10～12mm apart from air guide pipe flange face 7a, the cylindrical of outside is provided with 4 6～8mm circular holes that are five equilibrium; On the cylindrical of an indoor side air guide pipe 7; Between 10～12mm apart from air guide pipe circular flat; Be provided with a rubber seal 24, with prevent outdoor rainwater along ventilating opening 2 and have slit between the building ventilation device 1 of fire-protection valve flow into indoor maybe; To establish a center hole and 4～6 width are set on the dedusting and purifying device 3a circular flat that an indoor side one-level filters be the air guide pipe reinforcement 7b between 5～6mm and be intended for; In each reinforcement, all strike out semi-circular recesses in the heart; The diameter of semi-circular recesses is between 2～3mm; Carry out the flanging of 1mm protrusion again in the outside of reinforcement; Side outside the faced chamber is established an air guide pipe outer flange face 7a and a centralized positioning nut 21, and the diameter of its nut is made as M5～M6mm, and centralized positioning nut 21 usefulness welding manners are fixed on the central plane of the outdoor side of air guide pipe; Establish a connecting screw rod 20 at ventilating opening horizontal center position; Connecting screw rod 20 head portions that are in an indoor side are made as stairstepping; Its external diameter is made as between 18～20mm; Length is made as between 28～30mm; And a kind of connecting screw rod protective cover 23 that has possessed insulating properties is set externally; Connecting screw rod 20 head portions in an outdoor side are provided with screw thread; The external diameter of its screw thread is made as M5～M6mm, and the length of screw thread is made as between 25～30mm, and connecting screw rod 20 all can pass dedusting that air guide pipe 7, dust removal filter cloth 4a, 4b, supporting baffle 5a, 5b, 5c, 5d, one-level filter and strive the centre bore that is provided with between dedusting and purifying device 3b that makeup puts 3a, cascade filtration, room ventilation grid 18, the adjustable room ventilation baffle plate 19 and be connected with centralized positioning nut 21 on being weldingly fixed on the outdoor side circular flat of air guide pipe; On the end of an outdoor side air guide pipe 7, be provided with a circular gradient and be 15 ° horn mouth, bell-mouthed length is made as between 8～10mm; After inserting an outdoor side air guide pipe 7 to the circular case 8 of fire-protection valve, be provided with 4 6～8mm circular holes that are five equilibrium, be provided with the circular case 8 of fire-protection valve and fix after 4 M4～M5mm screwed holes that are five equilibrium are connected with air guide pipe 7 cylindricals of securing member 9 through the outside with case; Also be in order to prevent because after outdoor the raining, rainwater flow into indoor possibility along the slit of outdoor metope, uses silica gel 22 to seal along the air guide pipe flange face 7a cylindrical side that sticks on an outdoor side wall.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; Described a kind of supporting baffle 5a, 5b, 5c, 5d that is provided with in the building ventilation device 1 of fire-protection valve that have; Be provided with central plane groove and L shaped cylindrical baffle ring, interconnect with it, also be provided with groove on the reinforcement through 4～6 reinforcements; If the width of a reinforcement is identical with the thickness of the degree of depth of groove and L shaped cylindrical baffle ring, be set between 2～4mm; Strive the both sides that some groups right side geometric form flase floor 31a being provided with in 3a, the 3b, 31b, left side geometric form flase floor 32a, 32b, right side geometric form central shaft 40a, 40b, left side geometric form central shaft 41a, 41b are put in makeup in dedusting; In the central plane groove of the supporting baffle 5a that embedding is complementary, 5b, 5c, 5d and the groove on the reinforcement and the L shaped cylindrical baffle ring, strive to disguise with the dedusting that makes it to form dedusting and purifying device 3a that one-level filters and cascade filtration after the adhesive and put 3b.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; Described a kind of rectification passage 6 that is provided with in the building ventilation device 1 of fire-protection valve that has; Be to constitute by connecting screw rod sleeve pipe 26, rectification passage connection lining 25a, 25b, supporting baffle 5b, 5c; If a connecting screw rod sleeve pipe 26 is connected lining 25a, 25b and is embedded in dedusting that one-level filters respectively and strives in supporting baffle 5b that makeup puts the dedusting and purifying device 3b of 3a and cascade filtration, the 5c central recess with on the cylindrical and reach on the central plane with the rectification passage, connecting screw rod sleeve pipe 26 is arranged on the cylindrical of connecting screw rod 20; And the other end that the end that the rectification passage connects lining 25a connects lining 25b with step-like hole, rectification passage is with the ladder oblique crank Z; Be connected after embedding with the form in axle and hole each other; Make the space and the distance of rectification passage 6 be set between 40～200mm, or can regulate its space and distance according to the thickness of body of wall, purpose is to play that the airflow filtering passage 48a that one-level is filtered produces the rectification of turbulent flow and to the sound-absorbing and the noise reduction effect of high intermediate frequency noise.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; The dedusting and purifying device 3b that 3a and cascade filtration are put in makeup is striven in described a kind of dedusting that has the one-level filtration that is provided with in the building ventilation device 1 of fire-protection valve; On the inclined-plane of right side geometric form central shaft 40a, 40b and left side geometric form central shaft 41a, 41b, being provided with 4 is evenly distributed, widely is central shaft groove 45a, the 45b of 5mm; And geometric form central shaft 40a, 40b and left side geometric form central shaft 41a, 41b are last on the right side, are equipped with the central shaft hole 42a, the 42b that connect with connecting screw rod 20; The central shaft that is positioned on the horizontal center line is the inboard through central shaft T shape connecting ring 46a, 46b; Connect right side geometric form central shaft 40a, 40b and left side geometric form central shaft 41a, 41b with adhesive; And the inboard of central shaft umbrella H shape connecting ring 47a, 47b also is to connect two central shaft umbrella inclined- plane 43a, 43b with adhesive; Right side geometric form central shaft 40a, 40b and left side geometric form central shaft 41a, 41b are that the axle center makes that the parts of the left and right sides are symmetrical with the vertical center line of central shaft T shape connecting ring 46a, 46b; Its two ends all are made as horizontal ends; And establish that a horizontal ends is incorporated into upwards downwards, inclined-plane that the direction on left side and right side tilts simultaneously and form a umbrella shape shape; Have the gradient the other end and 5 step slots, the downward-sloping horizontal ends that is incorporated into makes progress; Establish a semicircle groove after its umbrella shape shape and straight vertical edged surface are tangent, make it to become center umbrella spill accumulator tank 44a, 44b; Be located at central shaft hole 42a, 42b horizontal center line below or top and be in central shaft T shape connecting ring 46a, 46b is equipped with horizontal sound-absorbing back- up ring 36a, 36b, also is equipped with horizontal sound-absorbing back- up ring 36a, 36b at the lower surface or the upper surface that are in central shaft umbrella H shape connecting ring 47a, the 47b horizontal center axis of symmetry equally with the lower surface or the upper surface of the vertical centre axis of symmetry; Interior outside horizontal plane and right side 45 ° of a inclined-planes 311a of right side geometric form flase floor 31a, 31b, 311b join afterwards each other, water receiving plane and right side 45 ° of b inclined- planes 312a, 312b join afterwards, join each other with right side 65 ° of scarf 313a, 313b stairstepping each other more up or down; And 65 ° of scarf 313a, 313b join with flase floor horizontal plane 49a, 49b each other, on the inboard of horizontal plane or outside extending structure face, are provided with right side flase floor C shape opening 37a, 37b; Interior outside horizontal plane and left side 45 ° of a inclined-planes 321a of left side geometric form flase floor 32a, 32b, when 321b joins each other, flase floor C shape opening 38a, 38b join each other behind flase floor horizontal plane 49a, 49b again with on the left of being provided with on the outside of horizontal plane or the inboard extending structure face, water receiving plane and left side 25 ° of b inclined-planes 322a, 322b join stairstepping each other more up or down; Moreover; Left side 45 ° of a inclined-plane 321a, 321b and after water receiving plane and left side 25 ° of b inclined-planes 322a, 322b join each other more up or down; Again with horizontal plane and left side 25 ° of b inclined-planes 322a of the inside and outside side outlet end of left side geometric form flase floor 32a, 32b, interior lateral surface that 322b joins each other on, can form its horizontal plane and perpendicular 90 ° of right angles, left side face 323a, 323b; 90 ° of right angle face 323a, a last semi-circular recesses 324a, the 324b of establishing of 323b in the left side; The diameter of semi-circular recesses 324a, 324b is made as 2mm, and the vertical sound-absorbing back-up ring 39a of use adhesive handle, 39b stick on the 90 ° of right angle face 323a in left side, 323b is last fixes; And binding site is combined into one group of, band W font symmetrical with horizontal center line or up or down with the geometry flase floor of M font in the middle of the both sides of right side geometric form flase floor 31a, 31b, left side geometric form flase floor 32a, 32b and T shape connecting ring 33a, 33b; With two groups of band W fonts or last with the geometry flase floor of M font two inboard grooves and outside T shape connecting ring 35a, the 35b through inserting H shape connecting ring 34a, 34b; Using adhesive to interconnect respectively fixes; Each different size band W font or with the spacing of the geometry flase floor of M font, be arranged between 15～20mm with the spacing of the central shaft that matches; And correspond in the central plane groove and groove on the reinforcement and L shaped cylindrical baffle ring of each two supporting baffle 5a that are complementary, 5b, 5c, 5d, thereby can be arranged in the gas filtration passage 48a of some one-levels filtrations, the gas filtration passage 48b of cascade filtration.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; The gas filtration passage 48a and the gas filtration passage 48b of cascade filtration that the one-level that described a kind of building ventilation device that has a fire-protection valve 1 is provided with is filtered, each different size band W font or the horizontal sound-absorbing back-up ring plane 50a, the 50b that are provided with the inboard up or down flase floor horizontal plane 49a of the geometry flase floor of M font, 49b, with H shape connecting ring 34a, 34b outer ring up or down, the horizontal plane gap size that reaches between central shaft umbrella H shape connecting ring 47a that right side geometric form central shaft 40a, 40b and left side geometric form central shaft 41a, 41b combine, the horizontal sound-absorbing back-up ring plane (50a, 50b) that 47b outer ring up or down is provided with are set between 0～0.3mm; And on the interior outside of left side geometric form flase floor 32a, 32b, each two vertical sound-absorbing back-up ring 39a, 39b that 90 ° of right angles, left side face 323a, the 323b that is provided with sticked, and vertical sound-absorbing back- up ring plane 51a, 51b, and gas inflow direction outside the faced chamber; When the outdoor air that contains fog, dust, noise is flow into the gas filtration passage 48b of gas filtration passage 48a that one-level filters or cascade filtration after shunting separation in; By on right side geometric form flase floor 31a, 31b and left side geometric form flase floor 32a, 32b and interconnective, as to be in diverse location T shape connecting ring 33a, the 33b cylindrical and be on the inside and outside circle of H shape connecting ring 34a, 34b of diverse location; The horizontal sound-absorbing back-up ring 36a that sticks, 36b combine and form two groups of band W fonts or with the vertical sound-absorbing ring washer plane 51a of 45 ° of a inclined-planes, right side 311a of the geometry flase floor of M font, 311b, 45 ° of b inclined-planes, right side 312a, 312b, the 65 ° of scarf 313a in right side, 313b, the 45 ° of inclined-plane 321a in left side, 321b, the 25 ° of inclined-plane 322a in left side, 322b, the outer gas inflow direction of faced chamber, take place when 51b contacts to dash forward in the inertia after; Can form one vortex and reflux and centrifugal force at the internal and external parts of the horizontal sound-absorbing back-up ring 36a in the gas filtration passage 48b of gas filtration passage 48a that one-level is filtered or cascade filtration, 36b, right side flase floor C shape opening 37a, 37b, left side flase floor C shape opening 38a, 38b; Under centrifugal action; In the gas filtration passage 48a that each one-level is filtered or the gas filtration passage 48b of cascade filtration; Each bar can form 12 negative pressure region 52a, 52b, and just the gas filtration passage of a whole piece can form 24 negative pressure region 52a, 52b.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 6; Described a kind of horizontal sound-absorbing back- up ring 36a, 36b and vertical sound-absorbing back- up ring 39a, 39b that is provided with in the building ventilation device 1 of fire-protection valve that have; By gathering the new material that third ethene and the rubber is synthesized; Stick on horizontal sound-absorbing back- up ring 36a, 36b on the cylindrical of two groups of being on the diverse location or two groups of above T type connecting ring 33a, 33b, central shaft T shape connecting ring 46a, 46b, on the interior circle of the cylindrical of the inside and outside circle of one group of H shape connecting ring 34a, 34b and central shaft umbrella H shape connecting ring 47a, 47b and outside T shape connecting ring 35a, 35b; Its thickness is made as 3mm, and width is between 9～10mm; And vertical sound-absorbing back-up ring 39a, 39b stick on two groups of being on the diverse location or two groups of above 90 ° of right angles, left side face 323a, 323b are last, and its thickness is made as 3mm, and width is between 6～7mm; No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference as driving force; Passed through action of centrifugal force again and can form 24 negative pressure region 52a, 52b at the gas filtration passage of a whole piece; Be pushed into the contaminated air that contains fog, dust, noise in each negative pressure region 52a, the 52b along band W font or with the wooden partition of the geometry flase floor of M font, reached the purpose of demist and dedusting; Be arranged on band W font or with horizontal sound-absorbing back- up ring 36a, 36b and the sound-absorbing of vertical sound-absorbing back- up ring 39a, 39b, the sound equipment retroeflection and the rebound effect on the geometric configuration of the geometry flase floor of M font; When the noise that flow into indoor senior middle school low frequency is little by little weakened, played sound-absorbing and noise reduction capability and reached average effect more than 35 decibels.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; Described a kind of described dust removal filter cloth 4a, 4b that is provided with in the building ventilation device 1 of fire-protection valve that have; Room ventilation grid 18, scalable room ventilation baffle plate 19; Dust removal filter cloth 4a is arranged between the supporting baffle 5a of the outdoor side of dedusting and purifying device 3a that air guide pipe 12 and one-level filter; Another dust removal filter cloth 4b is arranged between the supporting baffle 5d and room ventilation grid 18 of the indoor side of dedusting and purifying device 3b of cascade filtration, and the thickness of each dust removal filter cloth 4a, 4b is arranged between 3～5mm; On room ventilation grid 18, be provided with and correspond to each band W font or with the room ventilation grid ring 18a of the geometry flase floor of M font and 4～6 room ventilation grid reinforcement 18b and room ventilation grid circular flange face 18c; If the thickness of a room ventilation grid ring 18a is made as 2～3mm, the degree of depth is made as between 13～15mm; Width and the thickness of room ventilation grid reinforcement 18b are made as between 2～3mm; Be provided with the waist connected in star and the reinforcement of 12 equal five equilibriums on the body of wall ventilating opening 2 in room ventilation grid circular flange face 18c and faced chamber, the width of its reinforcement is made as between 3～4mm; Room ventilation grid 18 leans on an indoor side to have scalable room ventilation baffle plate 19 to match; Scalable room ventilation baffle plate 19 is provided with room ventilation grid ring 18a side that scalable air deflector inclined-plane 19c and elongated surfaces be embedded in room ventilation grid 18 and rests above the room ventilation grid ring 18a; 4 reinforcements through being located at scalable air deflector inclined-plane 19c interconnect; The thickness of reinforcement is made as between 2～3mm; On each reinforcement, also be provided with semicircle air deflector and use handle 19a; Be provided with the groove that can embed 4～6 room ventilation grid reinforcement 18b in the bottom of scalable air deflector inclined-plane 19c; The width of its groove and the degree of depth all are made as between 3～4mm, on the outermost disk of elongated surfaces of scalable air deflector inclined-plane 19c, also be provided with equal equal angles more than 12, diameter is the scalable room ventilation baffle plate circular hole 19b between 4～5mm; Indoorly can hold the connecting screw rod protective cover 23 that tightly is enclosed within on the connecting screw rod 20, a little firmly can relax and be fixed on the connecting screw rod 20 of scalable room ventilation baffle plate 19 through finger; Outwards moving of lax back scalable room ventilation baffle plate 19 is of a size of in 13～15mm; And then bimanual finger pinches semicircle air deflector and is pulled outwardly with handle 19a; With scalable room ventilation baffle plate 19, can play the air quantity size that conditioning chamber flow into room air outward.

The operation principle that the utility model device is implemented is: to containing the contaminated air of fog and dust and noise; No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference as driving force; Naturally 7 of shunting, air guide pipes through hurricane globe 15, fire-protection valve case 8, insect protected filter screen 14, semicircle fire-protection valve 10 has certain depth inducing outdoor air pressure; Air is flowed through supporting baffle 5a to after fog and dust enforcement filtration for the first time and purifying via dust removal filter cloth 4a; The dedusting that enters into dedusting and purifying device 3a that one-level filters and cascade filtration is striven and is disguised when putting 3a; The gas filtration passage 48a that air and one-level are filtered and the gas filtration passage 48b of cascade filtration be interior, by on right side geometric form flase floor 31a, 31b and left side geometric form flase floor 32a, 32b and interconnective, as to be in diverse location T shape connecting ring 33a, the 33b cylindrical and be on the inside and outside circle of H shape connecting ring 34a, 34b of diverse location; The horizontal sound-absorbing back-up ring 36a that sticks, 36b combine and form two groups of band W fonts or with the vertical sound-absorbing ring washer plane 51a of 45 ° of a inclined-planes, right side 311a of the geometry flase floor of M font, 311b, 45 ° of b inclined-planes, right side 312a, 312b, the 65 ° of scarf 313a in right side, 313b, the 45 ° of inclined-plane 321a in left side, 321b, the 25 ° of inclined-plane 322a in left side, 322b, the outer gas inflow direction of faced chamber, inertia takes place when 51b contacts conflicts after; Can form one vortex and reflux and centrifugal force at the internal and external parts of the horizontal sound-absorbing back-up ring 36a in the gas filtration passage 48b of gas filtration passage 48a that one-level is filtered or cascade filtration, 36b, right side flase floor C shape opening 37a, 37b, left side flase floor C shape opening 38a, 38b; Under centrifugal action; In the gas filtration passage 48a that each one-level is filtered or the gas filtration passage 48b of cascade filtration; Each bar can form 12 negative pressure region 52a, 52b, and just the gas filtration passage of a whole piece can form 24 negative pressure region 52a, 52b.

No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference; Pass through action of centrifugal force again; Can form 24 negative pressure region 52a, 52b at the gas filtration passage of a whole piece; Be pushed into the contaminated air that contains fog, dust, noise in each negative pressure region 52a, the 52b along band W font or with the wooden partition of the geometry flase floor of M font; For fog particle diameter (the vaporific water droplet of liquid) 5.0 μ m, to have reached dehumidification rate be 90%; Pellet particle diameter PM2.5, to have reached efficiency of dust collection be beyond the 85% above result; Be arranged on band W font or with horizontal sound-absorbing back-up ring 36a, 36b and the sound-absorbing of vertical sound-absorbing back- up ring 39a, 39b, the sound equipment retroeflection and the rebound effect on the geometric configuration of the geometry flase floor of M font, when the noise that flow into indoor senior middle school low frequency is little by little weakened, played sound-absorbing and noise reduction capability and reached average effect more than 35 decibels.

The semicircle fire-protection valve 10 that has a spring 12a is arranged in the circular case 8 of fire-protection valve, departs from 20 ° of angles, the outer ledge junction with fire-protection valve with the semicircle fire-protection valve 10 of folder hoop 11 fixing two fans at the horizontal center line of semicircle fire-protection valve 10; Because of semicircle fire-protection valve 10 is metallic articles with fire-protection valve with folder hoop 11; Has heat conductivility; Because the melting temperature of chemical property that polystyrene resin has is 120 °; When fire temperature rises to 120 °; Make to come off automatically after being welded on fire-protection valve obtains dissolving with the polystyrene resin on the folder hoop 11 that semicircle fire-protection valve 10 receives spring 12a effect and can close automatically, the pernicious gas that can stop and cut off like this after fire spreading and fire take place flow into the indoor flameproof effect that plays through ventilating opening; Moreover; The building ventilation device that is provided with on the ventilating opening further from the intensity of a fire; When hearing the news or perceiving fire and pernicious gas can flow into indoor life threatening at any time through ventilator machine; Disassemble at indoor dedusting and purifying device 3a, the dust removal filter cloth 4a that filters the dedusting and purifying device 3b of connecting screw rod 20, adjustable room ventilation baffle plate 19, room ventilation grid 18, dust removal filter cloth 4b, cascade filtration, connecting screw rod sleeve pipe 26, rectification passage connection lining 25a, 25b, one-level at once; Available finger affects each one to bind round 11 at fire-protection valve with folder and pull down tying down separately with stainless steel soft steel wire rope 11b, just closes the corresponding fire prevention measure of ventilating opening after semicircle fire-protection valve 10 is opened automatically.

The obvious technical effects of the utility model, simple in structure, compact and reasonable; The use after a while of device warp; The fog and the dust that are recovered in negative pressure region 52a in the dedusting and purifying device 3a that filters via dust removal filter cloth 4a, 4b, one-level and the dedusting and purifying device 3b of cascade filtration, the 52b; Indoor can become flexible with dismounting connecting screw rod 20, the dedusting of adjustable room ventilation baffle plate 19, room ventilation grid 18, dust removal filter cloth 4b, cascade filtration strive makeup put dedusting that 3b, connecting screw rod sleeve pipe 26, rectification passage be connected lining 25a, 25b, one-level filtration strive disguise put 3a, dust removal filter cloth 4a supports together and the parts fixed disassemble; Replaceable dust removal filter cloth 4a, 4b; Water cleans dedusting that one-level filters repeatedly and strives makeup and put the dedusting of 3a and cascade filtration and strive after makeup puts the interior dust of 3b again; Install again and reuse; Can not influence the treatment effect and striving function of its device; And for the long-term IAQ that improves, the air circulation that helps indoor and outdoor with reduce the harm of air pollutants to health, reached the energy-conserving and environment-protective, non-carbon-emitting of civil building and public building, both safe remarkable results.

Claims (10)

1. building ventilation device that has fire-protection valve; It is characterized in that: be located on the ventilating opening of building indoor and outdoor body of wall; According to thickness of wall body from an outdoor air guide pipe, fire-protection valve case, the insect protected filter screen established successively; Between hurricane globe and fire-protection valve case, use the hurricane globe connecting screw rod hurricane globe fixed screw on the lateral surface of fire-protection valve case flange medial surface and hurricane globe, be connected and fix; In the circular hole of ventilating opening, be provided with dedusting and purifying device, supporting baffle, rectification passage, supporting baffle, the dedusting and purifying device of cascade filtration, supporting baffle, dust removal filter cloth, room ventilation grid, the scalable room ventilation baffle plate that dust removal filter cloth, supporting baffle, one-level filter with the air inflow direction, can indoor connecting screw rod run through dust removal filter cloth, supporting baffle, between the dedusting of dedusting and purifying device that the one-level between the connecting bolt sleeve pipe is filtered and cascade filtration strive that makeup is put, the centre bore that is provided with on the room ventilation grid, adjustable room ventilation baffle plate, be weldingly fixed on the air guide pipe on the setscrew nut of an outdoor side fix after being connected; In the circular hole of fire-protection valve case, be provided with two fans with two of the symmetrical semicircle fire-protection valves of vertical center line, up and down with horizontal center line symmetrical fire-protection valve alignment pin, spring; On semicircle fire-protection valve center, be provided with the cylindrical hole that can insert the fire-protection valve alignment pin; Fix with securing member with fire-protection valve; At semicircle fire-protection valve outer ledge place; Being provided with fire-protection valve, to be used for the semicircle fire-protection valve of two fans with folder hoop be when locating on the vertical center line, passes the fire-protection valve cylindrical hole respectively with the two ends of each stainless steel soft steel wire rope again and the folder hoop is formed with the structure that knotting behind the circular hole ties down.

2. the building ventilation device that has fire-protection valve according to claim 1 is characterized in that: described hurricane globe, the circular case of fire-protection valve, insect protected filter screen, and semicircle fire-protection valve, fire-protection valve is with folder hoop, stainless steel soft steel wire rope, spring; Establish a hurricane globe wind-guiding on the central plane of hurricane globe and use groove; Its bottom portion of groove center circle diameter be hurricane globe cylindrical planar diameter 1/6～1/7 between; Through 45 ° of inclined-planes stretch out combination, with the round diameter of hurricane globe cylindrical Plane intersects be 2 times of center circle diameter, the hurricane globe wind-guiding uses the degree of depth of groove to be 20mm; The fillet, its degree of depth that the edge side of disk has a radius 3mm outside hurricane globe for the high flanging for 5mm in protrusion plane as reinforcement; Be provided with the aperture in the flange face inboard of the circular case of fire-protection valve and be 2.5mm with interior insect protected filter screen, be fixed in its flange face inboard with the spot welding mode; In the centre bottom of the circular case of fire-protection valve, establish one widely for 5mm, length are the waist shape discharge outlet of 15mm, between faced chamber's wall face one side, the end face area 7～8mm, be provided with the M3～M5mm screwed hole of 4 equal five equilibriums apart from the circular case of fire-protection valve; On the flange face of the circular case of fire-protection valve, be provided with 4～5mm circular hole of 4 equal five equilibriums; 4 hurricane globe connecting screw rods are set between hurricane globe; The screw diameter of hurricane globe connecting screw rod is made as 8～10mm, length is between 75～90mm; Its two ends are provided with M3～M4mm, the degree of depth is the screwed hole between 10～12mm, and the circular case of fire-protection valve and the hurricane globe that connect the left and right sides with the hurricane globe fixed screw are fixed; Between the 10～12mm inboard apart from the flange face of the circular case of fire-protection valve; If top and bottom are with the fire-protection valve alignment pin and the spring of horizontal center line symmetry; The top outside diameter of fire-protection valve alignment pin is made as 8～10mm, length is between 14～16mm; And an end of alignment pin, its outside diameter is made as 5～6mm; About the center of the semicircle fire-protection valve of two fans be provided with mutual intersection, can be used for locating and can inserting the cylindrical hole and the spring of fire-protection valve alignment pin; Use two fire-protection valves to use securing member in top and bottom; Passing and establishing a up and down diameter at the circular case of fire-protection valve is the cylindrical hole between 7～8mm, is connected fixing semicircle fire-protection valve in back and spring with the fire-protection valve alignment pin and forms; The radius size that the semicircle fire-protection valve of each fan is set is than between the little 15～18mm of the circular case outside dimension of fire-protection valve; And at the outer ledge place of semicircle fire-protection valve, establish the flanging that a degree of depth is 1.5～2.0mm, on the horizontal center line of semicircle fire-protection valve, between the 5～8mm at the outer ledge place of range semicircle shape fire-protection valve, establish the fire-protection valve circular hole that an aperture is 4～5mm; Depart from the horizontal center line of semicircle fire-protection valve and to be provided with fire-protection valve on 20 ° of angles, the outer ledge junction and to be used for fixing the semicircle fire-protection valve of two fans with the folder hoop; Fire-protection valve is to become the groove combination similar with putting matchbox by equal flanging on L shaped folder hoop and I clevis hoop, its plane with folder hoop; The length of L shaped folder hoop and wide and merchant are made as 30 * 25 * 20mm; The length of I clevis hoop and the wide 24 * 19mm that is made as; I clevis hoop is superimposed upon wide in the groove of the L shaped folder hoop of 25mm size; The thickness of groove all is made as 5mm, is pressed from both sides the size of hoop after overlapping according to the semicircle fire-protection valve of two fans, on the outside of I clevis hoop, has welded polystyrene resin (being referred to as " ABS resin " or " PS resin ") and has fixedly formed with L shaped folder hoop; The folder hoop that is equipped with diameter at L shaped folder hoop with above the I clevis hoop and is 4mm is used circular hole; Being provided with diameter is that 1.5mm, length are two stainless steel soft steel wire ropes of 350mm; One end of a stainless steel soft steel wire rope passes to tie a knot behind the fire-protection valve circular hole and ties down; And after an end walks around air guide pipe reinforcement, pass folder hoop above the I clevis hoop and tie a knot after with circular hole and tie down, and an end of an other stainless steel soft steel wire rope passes to tie a knot behind the another one fire-protection valve circular hole and ties down; And after an other end walks around air guide pipe reinforcement, pass folder hoop above the L shaped folder hoop and tie a knot after with circular hole and tie down.

3. the building ventilation device that has fire-protection valve according to claim 1; It is characterized in that: described air guide pipe; It is stepped to have big small circular, and in outside diameter is little one section ventilating opening that is embedded in body of wall, one section that outside diameter is big is located at the body of wall outside; The air guide pipe flange face of a side sticks the metope in the outside outside the faced chamber, between the metope side 10～12mm apart from air guide pipe flange face, the cylindrical of outside is provided with 4 6～8mm circular holes that are five equilibrium; On the cylindrical of an indoor side air guide pipe; Between 10～12mm apart from air guide pipe circular flat; Be provided with a rubber seal, with prevent outdoor rainwater along ventilating opening and have slit between the building ventilation device of fire-protection valve flow into indoor maybe; Strive makeup and put that to establish a center hole on the circular flat and 4～6 width are set be the air guide pipe reinforcement between 5～6mm and be intended for dedusting that an indoor side one-level filters; In each reinforcement, all strike out semi-circular recesses in the heart; The diameter of semi-circular recesses is between 2～3mm; Carry out the flanging of 1mm protrusion again in the outside of reinforcement; Side outside the faced chamber is established an air guide pipe outer flange face and a centralized positioning nut, and the diameter of its nut is made as M5～M6mm, and the centralized positioning nut is fixed on the central plane of the outdoor side of air guide pipe with welding manner; Establish a connecting screw rod at ventilating opening horizontal center position; The connecting screw rod head portion that is in an indoor side is made as stairstepping; Its external diameter is made as between 18～20mm; Length is made as between 28～30mm; And a kind of connecting screw rod protective cover that has possessed insulating properties externally is set, and being provided with screw thread at the connecting screw rod head portion of an outdoor side, the external diameter of its screw thread is made as M5～M6mm; The length of screw thread is made as between 25～30mm, and connecting screw rod all can pass the centre bore that is provided with between the dedusting and purifying device, room ventilation grid, adjustable room ventilation baffle plate of dedusting and purifying device that air guide pipe, dust removal filter cloth, supporting baffle, one-level filter, cascade filtration and be connected with centralized positioning nut on being weldingly fixed on the outdoor side circular flat of air guide pipe; On the end of an outdoor side air guide pipe, be provided with a circular gradient and be 15 ° horn mouth, bell-mouthed length is made as between 8～10mm; After inserting an outdoor side air guide pipe to the circular case of fire-protection valve, be provided with 4 6～8mm circular holes that are five equilibrium, be provided with 4 M4～M5mm screwed holes that are five equilibrium back that is connected with the circular case of fire-protection valve and fix with the air guide pipe cylindrical of securing member through the outside with case; Use silica gel to seal along the air guide pipe flange face cylindrical side that sticks on an outdoor side wall.

4. the building ventilation device that has fire-protection valve according to claim 1; It is characterized in that: described supporting baffle; Be provided with central plane groove and L shaped cylindrical baffle ring, interconnect with it, also be provided with groove on the reinforcement through 4～6 reinforcements; If the width of a reinforcement is identical with the thickness of the degree of depth of groove and L shaped cylindrical baffle ring, be set between 2～4mm; Dedusting strive makeup put in some groups right side geometric form flase floor, left side geometric form flase floor, right side geometric form central shaft, the both sides of left side geometric form central shaft of setting; In the central plane groove of the supporting baffle that embedding is complementary and the groove on the reinforcement and the L shaped cylindrical baffle ring, strive makeup and put the dedusting and purifying device with cascade filtration with making it to form dedusting that one-level filters after the adhesive.

5. the building ventilation device that has fire-protection valve according to claim 1; It is characterized in that: described rectification passage; Be to constitute by connecting screw rod sleeve pipe, rectification passage connection lining, supporting baffle; Reach on the central plane if a connecting screw rod sleeve pipe is connected with the rectification passage in the supporting baffle central recess that lining is embedded in dedusting and purifying device that one-level filters and the dedusting and purifying device of cascade filtration respectively with on the cylindrical, the connecting screw rod sleeve pipe is arranged on the cylindrical of connecting screw rod; And the other end that the end that the rectification passage connects lining connects lining with step-like hole, rectification passage is with the ladder oblique crank Z; Embed the back with the form in axle and hole each other and is connected, make the space of rectification passage and apart from being set between 40～200mm, perhaps can regulating its space and distance according to the thickness of body of wall.

6. the building ventilation device that has fire-protection valve according to claim 1; It is characterized in that: the dedusting that described one-level is filtered is striven and is disguised the dedusting and purifying device of putting with cascade filtration; On the inclined-plane of right side geometric form central shaft and left side geometric form central shaft, being provided with 4 is evenly distributed, widely is the central shaft groove of 5mm; And on right side geometric form central shaft and left side geometric form central shaft, be equipped with the central shaft hole that connects with connecting screw rod; The central shaft that is positioned on the horizontal center line is the inboard through central shaft T shape connecting ring; Connect right side geometric form central shaft and left side geometric form central shaft with adhesive; And the inboard of central shaft umbrella H shape connecting ring also is to connect two central shaft umbrella inclined-planes with adhesive; Right side geometric form central shaft and left side geometric form central shaft are that the axle center makes that the parts of the left and right sides are symmetrical with the vertical center line of central shaft T shape connecting ring; Its two ends all are made as horizontal ends; And establish that a horizontal ends is incorporated into upwards downwards, inclined-plane that the direction on left side and right side tilts simultaneously and form a umbrella shape shape; Have the gradient the other end and 5 step slots, the downward-sloping horizontal ends that is incorporated into makes progress; Establish a semicircle groove after its umbrella shape shape and straight vertical edged surface are tangent, make it to become center umbrella spill accumulator tank; Be located at central shaft hole horizontal center line below or top and be equipped with horizontal sound-absorbing back-up ring, also be equipped with horizontal sound-absorbing back-up ring at the lower surface or the upper surface that are in the central shaft umbrella H shape connecting ring horizontal center axis of symmetry equally being in the lower surface or the upper surface of central shaft T shape connecting ring with the vertical centre axis of symmetry; The 45 ° of a inclined-planes in the interior outside horizontal plane of right side geometric form flase floor and right side join each other back, stairstepping up or down again the 45 ° of b inclined-planes in water receiving plane and right side join each other afterwards, join each other with the 65 ° of scarves in right side again; And 65 ° of scarves join with the flase floor horizontal plane each other, on the inboard of horizontal plane or outside extending structure face, are provided with right side flase floor C shape opening; When 45 ° of a inclined-planes of interior outside horizontal plane and left side of left side geometric form flase floor join each other, join each other behind the flase floor horizontal plane with flase floor C shape opening on the left of being provided with on the outside of horizontal plane or the inboard extending structure face again, stairstepping up or down again the 25 ° of b inclined-planes in water receiving plane and left side join each other; Moreover; 45 ° of a inclined-planes, left side and after the 25 ° of b inclined-planes in water receiving plane and left side join each other more up or down; On the interior lateral surface that joins each other with 25 ° of b inclined-planes of horizontal plane and left side of the inside and outside side outlet end of left side geometric form flase floor again, can form its horizontal plane and perpendicular 90 ° of right angle faces in left side; On the 90 ° of right angle faces in left side, establish a semi-circular recesses, the diameter of semi-circular recesses is made as 2mm, uses adhesive to stick on vertical sound-absorbing back-up ring on the 90 ° of right angle faces in left side and fixes; And binding site is combined into one group of, band W font symmetrical with horizontal center line or up or down with the geometry flase floor of M font in the middle of the both sides of right side geometric form flase floor, left side geometric form flase floor and T shape connecting ring; On two groups of band W fonts or two inboard grooves and outside T shape connecting ring of geometry flase floor through insertion H shape connecting ring with the M font; Using adhesive to interconnect respectively fixes; Each different size band W font or with the spacing of the geometry flase floor of M font, be arranged between 15～20mm with the spacing of the central shaft that matches; And correspond in the central plane groove and groove on the reinforcement and L shaped cylindrical baffle ring of each two supporting baffle that are complementary, thereby can be arranged in the gas filtration passage of some one-levels filtrations, the gas filtration passage of cascade filtration.

7. the building ventilation device that has fire-protection valve according to claim 6; It is characterized in that: the gas filtration passage that described one-level is filtered and the gas filtration passage of cascade filtration, each a different size band W font or a horizontal sound-absorbing back-up ring plane that is provided with the inboard up or down flase floor horizontal plane of the geometry flase floor of M font, with H shape connecting ring outer ring up or down, the horizontal plane gap size that reaches between the horizontal sound-absorbing back-up ring plane that central shaft umbrella H shape connecting ring outer ring up or down that right side geometric form central shaft and left side geometric form central shaft combine is provided with are set between 0～0.3mm; And on the interior outside of left side geometric form flase floor, each two vertical sound-absorbing back-up ring that the 90 ° of right angle faces in the left side that is provided with are sticked, and vertical sound-absorbing back-up ring plane, and gas inflow direction outside the faced chamber; When the outdoor air that contains fog, dust, noise is flow into the gas filtration passage of gas filtration passage that one-level filters or cascade filtration after shunting separation in; By on right side geometric form flase floor and left side geometric form flase floor and interconnective, as the to be in diverse location T shape connecting ring cylindrical and be on the inside and outside circle of H shape connecting ring of diverse location; The horizontal sound-absorbing back-up ring that sticks combine and form two groups of band W fonts or inertia take place when contacting with the vertical sound-absorbing ring washer plane of 45 ° of a inclined-planes, right side of the geometry flase floor of M font, 45 ° of b inclined-planes, right side, the 65 ° of scarves in right side, 45 ° of inclined-planes, left side, 25 ° of inclined-planes, left side, the outer gas inflow direction of faced chamber conflict after; Can form one vortex and reflux and centrifugal force at the internal and external parts of the horizontal sound-absorbing back-up ring in the gas filtration passage of gas filtration passage that one-level is filtered or cascade filtration, right side flase floor C shape opening, left side flase floor C shape opening; Under centrifugal action, in the gas filtration passage that each one-level is filtered or the gas filtration passage of cascade filtration, each bar can form 12 negative pressure regions, and just the gas filtration passage of a whole piece can form 24 negative pressure regions.

8. according to claim 6, the 7 described building ventilation devices that have fire-protection valve; It is characterized in that: described horizontal sound-absorbing back-up ring and vertical sound-absorbing back-up ring; By gathering the new material that third ethene and the rubber is synthesized; Stick on horizontal sound-absorbing back-up ring on the cylindrical of two groups of being on the diverse location or two groups of above T type connecting rings, central shaft T shape connecting ring, on the interior circle of the cylindrical of the inside and outside circle of one group of H shape connecting ring and central shaft umbrella H shape connecting ring and outside T shape connecting ring; Its thickness is made as 3mm, and width is between 9～10mm; And vertical sound-absorbing back-up ring sticks on the 90 ° of right angle faces in left side more than two groups or two groups that are on the diverse location, and its thickness is made as 3mm, and width is between 6～7mm; No energy consumption and utilize the indoor-outdoor air pressure differential and the hot pressing of indoor temperature difference as driving force; Passed through action of centrifugal force again and can form 24 negative pressure regions at the gas filtration passage of a whole piece; Be pushed into the contaminated air that contains fog, dust, noise in each negative pressure region along band W font or with the wooden partition of the geometry flase floor of M font, reached the purpose of demist and dedusting; Be arranged on band W font or with the horizontal sound-absorbing back-up ring of the geometry flase floor of M font and the sound-absorbing of vertical sound-absorbing back-up ring, sound equipment retroeflection and the rebound effect on the geometric configuration; When the noise that flow into indoor senior middle school low frequency is little by little weakened, played sound-absorbing and noise reduction capability and reached average more than 35 decibels.

9. the building ventilation device that has fire-protection valve according to claim 1 is characterized in that: described dust removal filter cloth, and one is arranged on dedusting that air guide pipe and one-level filter and strives makeup and put between the supporting baffle of an outdoor side; The dedusting that another dust removal filter cloth is arranged on cascade filtration is striven makeup and is put between the supporting baffle and room ventilation grid of an indoor side, and the thickness of each dust removal filter cloth is arranged between 3～5mm.

10. the building ventilation device that has fire-protection valve according to claim 1; It is characterized in that: described room ventilation grid, scalable room ventilation baffle plate; On the room ventilation grid, be provided with and correspond to each band W font or with the room ventilation grid ring of the geometry flase floor of M font and 4～6 room ventilation grid reinforcements and room ventilation grid circular flange face; If the thickness of a room ventilation grid ring is made as 2～3mm, the degree of depth is made as between 13～15mm; The width and the thickness of room ventilation grid reinforcement are made as between 2～3mm; Be provided with the waist connected in star and the reinforcement of 12 equal five equilibriums on the body of wall ventilating opening in room ventilation grid circular flange face and faced chamber, the width of its reinforcement is made as between 3～4mm; The room ventilation grid leans on an indoor side to have scalable room ventilation baffle plate to match; Scalable room ventilation baffle plate is provided with room ventilation grid ring side that scalable air deflector inclined-plane and elongated surfaces be embedded in the room ventilation grid and rests above the room ventilation grid ring; 4 reinforcements through being located at scalable air deflector inclined-plane interconnect; The thickness of reinforcement is made as between 2～3mm; On each reinforcement, also be provided with semicircle air deflector and use handle; Be provided with the groove that can embed 4～6 room ventilation grid reinforcements in the bottom on scalable air deflector inclined-plane, the width of its groove and the degree of depth all are made as between 3～4mm, on the outermost disk of elongated surfaces on scalable air deflector inclined-plane, also be provided with equal equal angles more than 12, diameter is the scalable room ventilation baffle plate circular hole between 4～5mm; Can hold the connecting screw rod protective cover that tightly is enclosed within on the connecting screw rod, a little firmly can relax and be fixed on the connecting screw rod of scalable room ventilation baffle plate through finger indoor; Outwards moving of lax back scalable room ventilation baffle plate is of a size of in 13～15mm; And then bimanual finger pinches semicircle air deflector and is pulled outwardly with handle; With scalable room ventilation baffle plate, can play the air quantity size that conditioning chamber flow into room air outward.

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