CN116717620B - Fire control pipeline is with fire prevention valve that discharges fume - Google Patents
Fire control pipeline is with fire prevention valve that discharges fume Download PDFInfo
- Publication number
- CN116717620B CN116717620B CN202310993513.6A CN202310993513A CN116717620B CN 116717620 B CN116717620 B CN 116717620B CN 202310993513 A CN202310993513 A CN 202310993513A CN 116717620 B CN116717620 B CN 116717620B
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- Prior art keywords
- sliding
- valve
- plate
- compression spring
- sealing strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003517 fume Substances 0.000 title claims description 8
- 230000002265 prevention Effects 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 40
- 238000007906 compression Methods 0.000 claims description 40
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 239000005662 Paraffin oil Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
Abstract
The application relates to a fireproof valve, in particular to a smoke exhaust fireproof valve for a fire-fighting pipeline, which comprises a valve body, a filter screen, rotating shafts, valves, connecting columns, a heat-conducting plate, a transmission mechanism, a control mechanism, a fixing mechanism and the like, wherein the filter screen is connected to the valve body, the two rotating shafts are rotatably connected to the interior of the valve body, the valves are connected to the rotating shafts, the connecting columns are connected to the interior of the valve body, the heat-conducting plate is connected to the outer sides of the connecting columns, the transmission mechanism is arranged in the valve body, the control mechanism is arranged on the connecting columns, and the fixing mechanism is arranged on the connecting columns. According to the application, the filter screen filters the flue gas, liquid in the connecting column with higher flue gas temperature is evaporated into gas, so that the piston frame pushes the sliding block to move upwards, the connecting plate and the rack move rightwards, the valve is closed, the piston frame pushes the first sliding plate, the inserting plate is inserted into the clamping plate, the valve is prevented from being opened by impact, the inserting plate can enable the first sealing strip and the second sealing strip to extend out, abrasion is reduced, tightness is ensured, and fireproof effect is improved.
Description
Technical Field
The application relates to a fireproof valve, in particular to a smoke exhaust fireproof valve for a fire-fighting pipeline.
Background
Fire control is to eliminate hidden danger and prevent disaster, and the fire prevention valve that discharges fume is a fire control part, is the open state at ordinary times, can open the smoke and discharge fume when the conflagration breaks out, closes when the flue gas temperature reaches 280 degrees in the exhaust pipe to play the effect of smoke separation fire-retardant.
The patent publication No. CN 215673768U's chinese patent discloses a fire damper discharges fume, which comprises a housing, the inside of shell is equipped with control closing mechanism and rotary mechanism, the inner wall fixedly connected with filter screen of shell, be equipped with cleaning mechanism between rotary mechanism and the filter screen, the inside of shell is equipped with the flabellum that is the circumference array, the equal fixedly connected with solid fixed ring in both ends of shell.
The above-mentioned patent is rotatory fire prevention that makes the baffle through control motor, and the sealing strip plays sealed effect, but when the unrestrained baffle of flue gas heat impact, the baffle probably opens, and secondly, the sealing strip exposes in the baffle outside, can accelerate the ageing speed of sealing strip, and can rub with the shell inner wall when the sealing strip rotates, and the sealing strip wearing and tearing can reduce the leakproofness, influences the fire prevention effect.
Disclosure of Invention
The application aims to overcome the defects that a baffle plate is possibly opened when impacted and a sealing strip exposed on the outer side of the baffle plate rubs with the inner wall of a shell to influence the fireproof effect in the prior art.
The technical proposal is as follows: the utility model provides a fire control pipeline is with fire prevention valve that discharges fume, including valve body, filter screen, axis of rotation and valve, be connected with the filter screen on the valve body, the inside rotation type of valve body is connected with two axes of rotation, all is connected with the valve in the axis of rotation, still including spliced pole, the heat-conducting plate, drive mechanism, control mechanism, fixed establishment and ejecting mechanism, valve body internally connected has the spliced pole, the spliced pole outside is connected with the heat-conducting plate, the inside drive mechanism that is equipped with of valve body is equipped with control mechanism on the spliced pole, is equipped with fixed establishment on the spliced pole, is equipped with ejecting mechanism on the valve.
As a further preferable scheme, the transmission mechanism comprises a gear, a sliding rod, a first compression spring, racks and a connecting plate, the gears are connected on the rotating shafts, the sliding rod is connected inside the valve in a sliding mode, the first compression spring is connected between the sliding rod and the valve, the racks are connected at two ends of the sliding rod, the racks are meshed with the adjacent gears, and the connecting plate is connected on the sliding rod.
As a further preferred scheme, control mechanism is including piston frame, fixed block, second compression spring, sliding block and third compression spring, the inside slidingtype sealing connection of spliced pole has the piston frame, form airtight appearance chamber between piston frame bottom and the spliced pole, airtight appearance intracavity is equipped with liquid, spliced pole internally connected with two fixed blocks, all be connected with second compression spring between fixed block and the piston frame, spliced pole top slidingtype is connected with the sliding block, all be connected with third compression spring between fixed block and the sliding block, the sliding block upward movement can be with the connecting plate contact, the piston frame upward movement can be with the sliding block contact.
As a further preferred scheme, fixed establishment is including sliding frame, first sliding plate, lifter plate, picture peg, fourth compression spring and cardboard, and the inside slidingtype of spliced pole is connected with first sliding plate, and the piston frame upward movement can be with first sliding plate contact, and the slidingtype is connected with the sliding frame on the spliced pole, and the sliding frame is connected with first sliding plate, is connected with the lifter plate on the sliding frame, is connected with fourth compression spring between lifter plate and the spliced pole, is connected with four picture pegs that are used for fixed valve on the lifter plate, and one side that the valve is close to each other all is connected with two cardboard, picture peg and cardboard one-to-one.
As a further preferred scheme, the pushing mechanism comprises a second sliding plate, a fifth compression spring, a third sliding plate, extrusion rods and a sealing assembly, wherein the two second sliding plates are connected inside the valve in a sliding mode, the third sliding plates are connected inside the valve in a sliding mode, the fifth compression spring is connected between the second sliding plate and the adjacent third sliding plates, a guide hole is formed in each second sliding plate, two guide holes are formed in each third sliding plate, two extrusion rods for pushing the second sliding plates and the third sliding plates are connected on the valve in a sliding mode, the number of each extrusion rods is two, the extrusion rods move in the adjacent guide holes, and the insertion plates are inserted into the corresponding clamping plates and are contacted with the adjacent extrusion rods.
As a further preferable scheme, the sealing assembly comprises a first sealing strip and a second sealing strip, wherein the first sealing strip is connected between two adjacent second sliding plates, the second sealing strip is connected to the third sliding plate, and the first sealing strip and the second sealing strip are both positioned inside the adjacent valve.
As a further preferable scheme, the right side of the top of the sliding block is an inclined plane.
As a further preferable mode, the guide holes are all obliquely arranged.
The application has the following advantages: according to the application, the filter screen filters the flue gas, liquid in the connecting column with higher flue gas temperature is evaporated into gas, so that the piston frame pushes the sliding block to move upwards, the connecting plate and the rack move rightwards, the valve is closed, the piston frame pushes the first sliding plate, the inserting plate is inserted into the clamping plate, the valve is prevented from being opened by impact, the inserting plate can enable the first sealing strip and the second sealing strip to extend out, abrasion is reduced, tightness is ensured, and fireproof effect is improved.
Drawings
Fig. 1 is a schematic perspective view of the present application.
FIG. 2 is a schematic cross-sectional view of the valve body of the present application.
FIG. 3 is a schematic view of the valve of the present application when closed.
Fig. 4 is a schematic structural view of the transmission mechanism of the present application.
Fig. 5 is a schematic structural view of the transmission mechanism, the clamping plate and the sliding block of the present application.
Fig. 6 is a schematic structural view of the control mechanism of the present application.
Fig. 7 is a schematic structural view of the sliding frame, the lifting plate and the inserting plate according to the present application.
Fig. 8 is a schematic structural view of the fixing mechanism of the present application.
Fig. 9 is a rear view of the securing mechanism of the present application.
FIG. 10 is a schematic view of the extrusion stem and the clamping plate of the present application in partial cross-section.
Fig. 11 is a schematic structural view of the ejector mechanism of the present application.
Fig. 12 is an enlarged view of fig. 11 at a in accordance with the present application.
Reference numerals in the figures: the valve comprises a valve body, a 2-filter screen, a 3-rotating shaft, a 4-valve, a 5-connecting column, a 6-heat conducting plate, a 71-gear, a 72-sliding rod, a 73-first compression spring, a 74-rack, a 75-connecting plate, 81-liquid, a 82-piston frame, a 83-fixed block, a 84-second compression spring, a 85-sliding block, a 86-third compression spring, a 91-sliding frame, a 92-first sliding plate, a 93-lifting plate, a 94-inserting plate, a 95-fourth compression spring, a 96-clamping plate, a 101-second sliding plate, a 102-first sealing strip, a 103-fifth compression spring, a 104-third sliding plate, a 105-second sealing strip, a 106-guiding hole and a 107-extruding rod.
Detailed Description
The following describes the technical scheme with reference to specific embodiments, and it should be noted that: terms indicating orientations, such as up, down, left, right, etc., are used herein only with respect to the position of the illustrated structure in the corresponding drawings. The parts themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. The application is as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).
Example 1: the utility model provides a fire control pipeline is with fire prevention valve that discharges fume, as shown in fig. 1-12, including valve body 1, filter screen 2, axis of rotation 3, valve 4, spliced pole 5, heat-conducting plate 6, drive mechanism, control mechanism, fixed establishment and ejecting mechanism, valve body 1 front side fixedly connected with filter screen 2, filter screen 2 can filter the flue gas, valve body 1 inside rotation is connected with the axis of rotation 3 of two symmetry settings, all weld valve 4 on axis of rotation 3, valve 4 closes can play the effect of smoke isolation fire-retardant, valve body 1 inside welding has spliced pole 5, spliced pole 5 outside lower part fixedly connected with heat-conducting plate 6, valve body 1 inside is equipped with drive mechanism, be equipped with control mechanism on the spliced pole 5, be equipped with fixed establishment on the spliced pole 5, be equipped with ejecting mechanism on the valve 4.
As shown in fig. 4 and 5, the transmission mechanism includes a gear 71, a sliding rod 72, a first compression spring 73, a rack 74 and a connecting plate 75, the upper end of the rotating shaft 3 is fixedly connected with the gear 71, the upper side of the interior of the valve 4 is slidingly connected with the sliding rod 72, the first compression spring 73 is connected between the sliding rod 72 and the valve 4, the left end and the right end of the sliding rod 72 are both welded with the rack 74, the rack 74 is meshed with the adjacent gear 71, the connecting plate 75 is welded in the middle of the sliding rod 72, when the rack 74 moves to the right, the gear 71 can be rotated to drive the valve 4 to rotate, so that the valve 4 is closed to play a fire-proof role.
As shown in fig. 5 and 6, the control mechanism includes a piston frame 82, a fixed block 83, a second compression spring 84, a sliding block 85 and a third compression spring 86, the inside of the connecting column 5 is connected with the piston frame 82 in a sliding and sealing manner, a closed cavity is formed between the bottom of the piston frame 82 and the connecting column 5, a liquid 81 is arranged in the closed cavity, the liquid 81 is paraffin oil, after the paraffin oil evaporates under a high temperature condition, the piston frame 82 moves upwards under the action of pressure, two symmetrically arranged fixed blocks 83 are fixedly connected to the upper side inside the connecting column 5, the second compression spring 84 is fixedly connected between the fixed blocks 83 and the piston frame 82, the sliding block 85 is connected to the top end of the connecting column 5 in a sliding manner, the right side of the top of the sliding block 85 is an inclined plane, the third compression spring 86 is fixedly connected between the fixed blocks 83 and the sliding block 85, the upward movement of the piston frame 82 is contacted with the sliding block 85, the upward movement of the sliding block 85 is contacted with the connecting plate 75, the connecting plate 75 can be pushed to move to the right, and the rack 74 is driven to move to the right, so that the valve 4 is closed.
As shown in fig. 2, fig. 3, fig. 5, fig. 7, fig. 8 and fig. 9, the fixing mechanism comprises a sliding frame 91, a first sliding plate 92, a lifting plate 93, a plugboard 94, a fourth compression spring 95 and a clamping board 96, wherein the first sliding plate 92 is slidingly connected to the upper side of the inside of the connecting column 5, the bottom end of the piston frame 82 moves upwards to be contacted with the first sliding plate 92, the sliding frame 91 is slidingly connected to the upper part of the connecting column 5, the sliding frame 91 is connected with the first sliding plate 92, the lifting plate 93 is connected to the rear side of the sliding frame 91, the fourth compression spring 95 is fixedly connected between the lifting plate 93 and the connecting column 5, four plugboards 94 are welded on the lifting plate 93, two clamping boards 96 are welded on one side, which are close to each other, of the plugboards 94 and the clamping boards 96 are in one-to-one correspondence, when the plugboards 94 are inserted into the clamping boards 96, the valve 4 can be fixed, and the valve 4 is prevented from being opened by impact.
As shown in fig. 2, 10 and 11, the pushing mechanism includes a second sliding plate 101, a fifth compression spring 103, a third sliding plate 104, extrusion rods 107 and a sealing assembly, two second sliding plates 101 are connected in the valve 4 in a sliding manner, the third sliding plate 104 is connected in the valve 4 in a sliding manner, the fifth compression spring 103 is fixedly connected between the second sliding plate 101 and the adjacent third sliding plate 104, a guide hole 106 is formed in the second sliding plate 101, two guide holes 106 are formed in the third sliding plate 104, the guide holes 106 are all inclined, two groups of extrusion rods 107 are connected to the valve 4 in a sliding manner, the extrusion rods 107 are two in number, the extrusion rods 107 are all movable in the adjacent guide holes 106, the sealing assembly is inserted into the corresponding clamping plate 96 and is contacted with the adjacent group of extrusion rods 107, the sealing assembly includes a first sealing strip 102 and a second sealing strip 105, a first 102 is fixedly connected between the adjacent second sliding plates 101, the third sliding plate 104 is fixedly connected with the second sealing strip 105, and the second sealing strip 105 can extend out of the sealing strip 102 when the second sealing strip and the second sealing strip 105 are positioned in the interior, and the sealing strip 102 can extend out of the sealing strip 4.
When the fire breaks out, the smoke is discharged through the valve body 1, the filter screen 2 can filter the smoke, when the temperature of the smoke is higher, the liquid 81 in the connecting column 5 is heated and evaporated into gas under the heat conduction effect of the heat conduction plate 6, the air pressure in the closed containing cavity is increased, the piston frame 82 moves upwards, the second compression spring 84 is compressed, when the piston frame 82 contacts with the sliding block 85, the sliding block 85 is pushed to move upwards by the upward movement of the piston frame 82, the third compression spring 86 is stretched, the sliding block 85 presses the connecting plate 75 to move rightwards, the sliding rod 72 and the rack 74 are driven to move rightwards, the first compression spring 73 is compressed, the right side gear 71 is driven to rotate anticlockwise under the meshing effect, the left side gear 71 is driven to rotate clockwise, the right side rotating shaft 3 and the right side valve 4 are driven to rotate anticlockwise, the left side rotating shaft 3 and the left side valve 4 are driven to rotate clockwise, so that the two valves 4 are closed, when the piston frame 82 contacts with the first sliding plate 92, the piston frame 82 pushes the first sliding plate 92 to move upwards, the sliding frame 91, the lifting plate 93 and the inserting plate 94 are driven to move upwards, the fourth compression spring 95 stretches, the inserting plate 94 can be inserted into the clamping plate 96, thereby fixing the valves 4 and preventing the valves 4 from being opened by thermal wave impact, meanwhile, when the inserting plate 94 is inserted into the clamping plate 96, the inserting plate 94 pushes the extruding rod 107 to move upwards, the second sliding plate 101 and the third sliding plate 104 move to the sides far away from each other under the action of the guiding holes 106, the first sealing strip 102 and the second sealing strip 105 are driven to extend from the interior of the valves 4, the fifth compression spring 103 stretches, the extended first sealing strip 102 and the second sealing strip 105 play a sealing role, the friction suffered by the first sealing strip 102 and the second sealing strip 105 is smaller, the abrasion of the first sealing strip 102 and the second sealing strip 105 is reduced, the sealing effect of the first sealing strip 102 and the second sealing strip 105 is ensured, and the fireproof effect is improved.
While the disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the application as disclosed herein. Accordingly, the scope of the application should be limited only by the attached claims.
Claims (4)
1. The utility model provides a fire prevention valve of discharging fume for fire control pipeline, including valve body (1), filter screen (2), axis of rotation (3) and valve (4), be connected with filter screen (2) on valve body (1), inside rotation of valve body (1) is connected with two axis of rotation (3), all be connected with valve (4) on axis of rotation (3), a serial communication port, still including spliced pole (5), heat-conducting plate (6), drive mechanism, control mechanism, fixed establishment and ejecting mechanism, valve body (1) internally connected with spliced pole (5), spliced pole (5) outside is connected with heat-conducting plate (6), inside drive mechanism that is equipped with of valve body (1), be equipped with control mechanism on spliced pole (5), be equipped with fixed establishment on spliced pole (5), be equipped with ejecting mechanism on valve (4). The transmission mechanism comprises a gear (71), a sliding rod (72), a first compression spring (73), racks (74) and a connecting plate (75), wherein the gears (71) are connected to the rotating shaft (3), the sliding rod (72) is connected to the inside of the valve (4) in a sliding mode, the first compression spring (73) is connected between the sliding rod (72) and the valve (4), the racks (74) are connected to two ends of the sliding rod (72), the racks (74) are meshed with the adjacent gears (71), and the connecting plate (75) is connected to the sliding rod (72); the control mechanism comprises a piston frame (82), a fixed block (83), a second compression spring (84), a sliding block (85) and a third compression spring (86), wherein the piston frame (82) is connected inside the connecting column (5) in a sliding and sealing manner, a closed cavity is formed between the bottom of the piston frame (82) and the connecting column (5), liquid (81) is arranged in the closed cavity, two fixed blocks (83) are connected inside the connecting column (5), the second compression spring (84) is connected between the fixed block (83) and the piston frame (82), the sliding block (85) is connected to the top end of the connecting column (5) in a sliding manner, the third compression spring (86) is connected between the fixed block (83) and the sliding block (85), the sliding block (85) moves upwards to be in contact with the connecting plate (75), and the piston frame (82) moves upwards to be in contact with the sliding block (85); the fixing mechanism comprises a sliding frame (91), a first sliding plate (92), a lifting plate (93), a plugboard (94), a fourth compression spring (95) and clamping plates (96), wherein the first sliding plate (92) is connected inside the connecting column (5) in a sliding mode, the piston frame (82) moves upwards to be in contact with the first sliding plate (92), the sliding frame (91) is connected to the connecting column (5) in a sliding mode, the sliding frame (91) is connected with the first sliding plate (92), the lifting plate (93) is connected to the sliding frame (91), the fourth compression spring (95) is connected between the lifting plate (93) and the connecting column (5), the plugboard (94) used for fixing the valves (4) are connected to one side, close to each other, of the valves (4) is connected to two clamping plates (96), and the plugboards (94) are in one-to-one correspondence with the clamping plates (96). The pushing mechanism comprises a second sliding plate (101), a fifth compression spring (103), a third sliding plate (104), extrusion rods (107) and a sealing assembly, wherein the two second sliding plates (101) are connected inside the valve (4) in a sliding mode, the third sliding plates (104) are connected inside the valve (4) in a sliding mode, the fifth compression springs (103) are connected between the second sliding plates (101) and the adjacent third sliding plates (104), one guide hole (106) is formed in each second sliding plate (101), two guide holes (106) are formed in each third sliding plate (104), two groups of extrusion rods (107) for pushing the second sliding plates (101) and the third sliding plates (104) are connected on the valve (4) in a sliding mode, the extrusion rods (107) are movable in the adjacent guide holes (106), and the insertion plates (94) are inserted into the corresponding clamping plates (96) to be contacted with the adjacent groups of extrusion rods (107).
2. The smoke-discharging fireproof valve for the fire-fighting pipeline according to claim 1, wherein the sealing assembly comprises a first sealing strip (102) and a second sealing strip (105), the first sealing strip (102) is connected between two adjacent second sliding plates (101), the second sealing strip (105) is connected to the third sliding plate (104), and the first sealing strip (102) and the second sealing strip (105) are located inside the adjacent valve (4).
3. A smoke and fire protection valve for fire protection pipe according to claim 1, characterized in that the right side of the top of the sliding block (85) is a bevel.
4. A smoke and fire damper for fire protection pipe according to claim 1, characterized in that the pilot holes (106) are all inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310993513.6A CN116717620B (en) | 2023-08-09 | 2023-08-09 | Fire control pipeline is with fire prevention valve that discharges fume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310993513.6A CN116717620B (en) | 2023-08-09 | 2023-08-09 | Fire control pipeline is with fire prevention valve that discharges fume |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116717620A CN116717620A (en) | 2023-09-08 |
| CN116717620B true CN116717620B (en) | 2023-10-20 |
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ID=87864745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310993513.6A Active CN116717620B (en) | 2023-08-09 | 2023-08-09 | Fire control pipeline is with fire prevention valve that discharges fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116717620B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820208A1 (en) * | 1978-05-09 | 1979-11-15 | Mabag Luft & Klimatechnik | High temp. application multi-blade damper - has hollow frame with shoulders on blade-shafts inside cavity |
| GB2412163A (en) * | 2004-03-17 | 2005-09-21 | Gilberts | Controlling access to an opening |
| CN110966101A (en) * | 2018-09-28 | 2020-04-07 | 温特图尔汽柴油公司 | Exhaust housing for large watercraft and valve for an exhaust housing |
| CN214838677U (en) * | 2020-12-31 | 2021-11-23 | 江苏春梅空调设备有限公司 | Fire damper with adjusting mechanism for building exhaust duct |
| CN215522132U (en) * | 2021-06-04 | 2022-01-14 | 青岛华力丰通风设备有限公司 | Early warning type fire-proof valve |
| CN216618691U (en) * | 2021-11-08 | 2022-05-27 | 陈鹏 | Monitoring type smoke exhaust fire prevention valve |
| CN217519303U (en) * | 2022-06-29 | 2022-09-30 | 中核利华消防工程有限公司 | Smoke-discharging fire-proof valve |
| CN217603440U (en) * | 2022-02-26 | 2022-10-18 | 河南宏华成套设备有限公司 | Filtering smoke-discharging fire-proof valve |
| CN115949788A (en) * | 2023-03-14 | 2023-04-11 | 江苏帝姆斯制冷设备有限公司 | High-sealing smoke-discharging fire-proof valve |
-
2023
- 2023-08-09 CN CN202310993513.6A patent/CN116717620B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820208A1 (en) * | 1978-05-09 | 1979-11-15 | Mabag Luft & Klimatechnik | High temp. application multi-blade damper - has hollow frame with shoulders on blade-shafts inside cavity |
| GB2412163A (en) * | 2004-03-17 | 2005-09-21 | Gilberts | Controlling access to an opening |
| CN110966101A (en) * | 2018-09-28 | 2020-04-07 | 温特图尔汽柴油公司 | Exhaust housing for large watercraft and valve for an exhaust housing |
| CN214838677U (en) * | 2020-12-31 | 2021-11-23 | 江苏春梅空调设备有限公司 | Fire damper with adjusting mechanism for building exhaust duct |
| CN215522132U (en) * | 2021-06-04 | 2022-01-14 | 青岛华力丰通风设备有限公司 | Early warning type fire-proof valve |
| CN216618691U (en) * | 2021-11-08 | 2022-05-27 | 陈鹏 | Monitoring type smoke exhaust fire prevention valve |
| CN217603440U (en) * | 2022-02-26 | 2022-10-18 | 河南宏华成套设备有限公司 | Filtering smoke-discharging fire-proof valve |
| CN217519303U (en) * | 2022-06-29 | 2022-09-30 | 中核利华消防工程有限公司 | Smoke-discharging fire-proof valve |
| CN115949788A (en) * | 2023-03-14 | 2023-04-11 | 江苏帝姆斯制冷设备有限公司 | High-sealing smoke-discharging fire-proof valve |
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| Publication number | Publication date |
|---|---|
| CN116717620A (en) | 2023-09-08 |
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