CN202289288U - High pressure deluge alarm valve - Google Patents
High pressure deluge alarm valve Download PDFInfo
- Publication number
- CN202289288U CN202289288U CN2011204145976U CN201120414597U CN202289288U CN 202289288 U CN202289288 U CN 202289288U CN 2011204145976 U CN2011204145976 U CN 2011204145976U CN 201120414597 U CN201120414597 U CN 201120414597U CN 202289288 U CN202289288 U CN 202289288U
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- water
- valve
- high pressure
- valve body
- spool
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- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a high pressure deluge alarm valve which can be automatically and manually controlled. The high pressure deluge alarm valve is characterized in that the high pressure deluge alarm valve is cylindrical and adopts a pressurization driving piston type structure, Rc1'' interfaces are adopted for water incoming and outgoing, and the flow of water supply reaches 300L/min; a sealing ring is sheathed in a lining and is tightly fixed at the water incoming side of a valve core through a pressing plate, a water inlet joint and a water outlet joint are respectively connected with a water inlet and a water outlet of a valve body through sealing gaskets, a filter mass is inlaid in the valve body, an inclined hole plug screw is tightly fixed in a hole of an outlet section of the valve core, a spring is sheathed between the valve body and the valve core, and an O-shaped sealing ring is sheathed at the excircle of the valve core and in an inner hole of the water outlet joint; the valve core is in the sealing state under the combined action of the pushing force of incoming water and the spring; when the high pressure deluge alarm valve is opened, water is guided to a driving cavity between the valve core and the valve body for pressurization, the valve core is pushed to move toward the water inlet side and departs from a sealing conical surface, and water supply is opened. The high pressure deluge alarm valve belongs to the field of fire protection and extinguishment, solves the hidden trouble that as the conventional high pressure deluge alarm valve has low rated operating pressure, water flows out by accidents when water pressure fluctuates, and reduces the impact damage of water hammer when being opened/closed. The high pressure deluge alarm valve is composed of the valve body, the valve core, the water inlet joint, the water outlet joint, the sealing ring, the sealing gaskets, the pressing plate, the lining, the O-shaped sealing ring, the spring, the filter mass and the inclined hole plug screw and has wide application prospect in electric power, chemical engineering, metallurgy, warehousing, books and archives.
Description
Technical field
The utility model relates to a kind of fire protection sector that is used for, and rated operating pressure reaches 16MPa, and inside nominal diameter is DN25mm, and water supply flow reaches 300L/min, and piston pressurised driving structure is adopted in design, and sealing means is closed in following current.Be core control valve-high pressure in high pressure, middle pressure fine water mist fire-extinguishing system alarm valve that drenches with rain, belong to the fire-fighting fire extinguishing field.
Background technology
The existing alarm valve that drenches with rain, rated operating pressure is on the low side, is 1.2MPa, 2.5MPa; Material: cast iron/steel, intensity is lower.Be inappropriate for long distance, the thin water smoke fire-fighting of multizone application requirements; The conventional alarm valve bore that drenches with rain is DN200, DN150, and the pipeline network construction cost is big, occupy bigger space.
Traditional alarm valve opening ways that drenches with rain is a decompression starting: the flap assembly was opened water outlet when control chamber pressure reduced.When water pressure fluctuations, the alarm valve control chamber pressure that drenches with rain is kept and is incessantly promptly caused mistake sprinkling accident, and influence just produces, causes water stain infringement.In electric power, chemical industry, metallurgy, storage, book and file protection place, misoperation takes place often, causes unnecessary economic loss.
The present alarm valve that drenches with rain, great majority belong to lever, diaphragm type structure.The flap termination was huge to the bump of valve body when lever drenched with rain the alarm valve unlatching, and valve body is broken.When diaphragm type drenched with rain alarm valve unlatching work, flap is non-all to be opened, and the loss of flood peak is big, and the barrier film pressure-bearing stretches at ordinary times, responsive to sharp objects such as scum, finger stones, was prone to scratch cracking, and service life is short.What routine drenched with rain that alarm valve can't satisfy high-pressure fine water mist fire-extinguishing system spurts the control requirement, has been inappropriate for escorting to new industry.
Summary of the invention
In order to fill up the drench with rain blank of alarm valve of domestic 16MPa level high pressure,, eliminate the impact of water hammer infringement in order to solve the alarm valve false action-proof performance that drenches with rain; Satisfy the 300L/min output, the utility model provides a kind of high pressure alarm valve that drenches with rain, and its rated operating pressure is 16MPa; Nominal diameter 25mm; Minimum starting pressure is 0.3MPa, the loss of flood peak≤0.02MPa, opening time＜15s; The utility model adopts piston pressurised driving mode, and effectively the conducting sectional area is big, compact conformation; Adopt following current to close design of Sealing Structure, utilize the water inlet thrust and the acting in conjunction of spring that spool is closed, the inclined hole plug screw is set gets rid of the surplus water of actuator chamber, overstocked in real time, guarantee water pressure fluctuations or when cutting off the water supply valve do not open by mistake and open; Valve body Φ 1.5mm inlet opening cooperates with inclined hole plug screw Φ 0.8mm relief hole, reaches the slow supercharging of actuator chamber, pressure release, make that spool slow is opened, Slow Close, eliminated water hammer to valve after the infringement of pipeline and annex; In height, middle pressure fine water mist fire-extinguishing system, be with a wide range of applications.
The utility model be achieved in that high pressure drench with rain alarm valve by: water supply connector, gasket seal, pressing plate, sealing ring, lining, spool, O RunddichtringO, valve body, water out adapter, spring, inclined hole plug screw, filter block are formed; Water supply connector is connected with the intake-outlet of valve body respectively through gasket seal with water out adapter; Sealing ring is enclosed within on the lining and is anchored on the spool influent side through pressing plate, and spring housing is at valve body and valve core chamber, and the O RunddichtringO is enclosed within spool cylindrical and the water out adapter endoporus; The filter block interference is assemblied in the valve inleting water hole; The inclined hole plug screw is tightened against in the spool water outlet sector hole, and is solid with glue spots, makes inclined hole toward inclined to one side 60 ° of water (flow) direction.
The water inlet of fire-fighting at ordinary times is to the thrust of core assembly, and the acting in conjunction that adds upper spring makes core assembly prop up the valve seal conical surface, realizes closing sealing.During unlatching, the water source is caused actuator chamber, core assembly is moved toward inlet side, make sealing ring leave sealing cone, open water outlet; When closing, venting actuator chamber hydraulic pressure, core assembly move to sealing surface and to close sealing under the common promotion of source pressure and spring.When pressure of supply water fluctuation or when cutting off the water supply because the impetus of spring force, intake pressure, add that the inclined hole plug screw gets rid of the surplus water of actuator chamber in real time, guarantee that valve remains on sealing state, stopped to open by mistake notice so.The valve inleting water hole cooperates with inclined hole plug screw relief hole, reaches the slow supercharging of actuator chamber, pressure release, makes that spool slow is opened, Slow Close, has eliminated water hammer effect.
The beneficial effect of the utility model is: adopt pressurised driving to open; Seal Design is closed in following current; Utilize the acting in conjunction of water inlet thrust and spring that spool is closed, the inclined hole spiro pluging hole be set get rid of the surplus water of actuator chamber in real time, guarantee water pressure fluctuations or when cutting off the water supply valve close performance; The valve inleting water hole cooperates with inclined hole plug screw relief hole, makes that spool slow is opened, Slow Close, has eliminated water hammer effect; Spool adopts the design of following current guide flow, and the conducting area is big, and the flow resistance loss is merely 0.02MPa; Valve body with advance/water out adapter adopts low carbon stainless steel forge hot bar Precision Machining, dense materials has been guaranteed the water pressure test for strength requirement of this valve 24MPa.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the profile of the utility model.
Fig. 2 is the outline drawing of the utility model.
Fig. 3 is the vital part of the utility model: the spool profile.
Fig. 4 is the vital part of the utility model: the spool vertical view.
Spool: taper seat, 3 mounting holes are adopted in water inlet, and water outlet is that tapering transition is the straight hole road, and influent side has been processed the pressing plate screw, is processed with O RunddichtringO groove on the maximum diameter of axle cylindrical, and influent side is provided with the spring dimple, and outlet section has been processed the inclined hole spiro pluging hole.
Sealing ring: adopt elliptic cross-section, formed by the butyronitrile rubber mold pressing, the liner steel loop strengthens mold insert.
Valve body: valve body low carbon stainless steel forge hot bar; The water inlet interface: external screw thread M56 * 2, the water outlet interface: internal thread M64 * 2, processed 60 ° of sealing cones; Water outlet connecting thread, sealing cone and actuator chamber keep accurate concentricity, and the actuator chamber working sections is long-pending to be 2 times of sealing cone.
The inclined hole plug screw: solid in fastening and the spool water outlet sector hole with glue spots, make inclined hole toward inclined to one side 60 ° of water (flow) direction.
The technical scheme that its technical problem of the utility model solution is taked is:
Through design piston pressurised driving opening structure in the utility model, sealing means is closed in following current; Actuator chamber pressure increases the promotion core assembly and opens water outlet, has solved the hidden danger of the easy misoperation water outlet of decompression type drench valve effectively; Valve inleting water hole and inclined hole plug screw spilled water hole coupling make the spool slow open and close, have eliminated the water hammer infringement; Spool adopts the design of following current guide flow, and the conducting area is big, and the flow resistance loss is little; Valve body with advance/water out adapter adopts low carbon stainless steel forge hot bar Precision Machining, guaranteed the instructions for use of this valve 16MPa level rated operating pressure.
The specific embodiment
High pressure drench with rain alarm valve by: water out adapter (1), spool (2), valve body (3), pressing plate (4), water supply connector (5), sealing ring (6), lining (7), spring (8), O RunddichtringO (9), inclined hole plug screw (10), filter block (11), gasket seal (12) are formed; Water supply connector is connected with the intake-outlet of valve body respectively through gasket seal with water out adapter; Sealing ring is enclosed within on the lining and is anchored on the spool influent side through pressing plate, and spring housing is at valve body and valve core chamber, and the O RunddichtringO is enclosed within spool cylindrical and the water out adapter endoporus; The filter block interference is assemblied in the valve inleting water hole; The inclined hole plug screw is tightened against in the spool water outlet sector hole, and is solid with glue spots, makes inclined hole toward inclined to one side 60 ° of water (flow) direction.Fire-fighting at ordinary times water inlet is to the thrust of core assembly, and the acting in conjunction that adds upper spring makes core assembly prop up the valve seal conical surface, adds that the inclined hole plug screw gets rid of the surplus water of actuator chamber in real time, guarantees to close sealing.During unlatching; Charge into actuator chamber to the water source through filter block, valve body Φ 1.5mm inlet opening, because inclined hole plug screw Φ 0.8mm relief hole leads to valve export, actuator chamber water filling supercharging is slower; When actuator chamber pressure greater than spring with water inlet during to the common thrust of spool; Core assembly flows slowly displacement against the current, and sealing ring leaves sealing cone, opens water outlet; When closing, cut off water-filling, actuator chamber hydraulic pressure is by inclined hole plug screw Φ 0.8mm relief hole venting slowly, and core assembly moves to sealing surface low speed and to close sealing under the common promotion of source pressure and spring.
1) material: valve body, water supply connector, water out adapter, pressing plate adopt the low carbon stainless steel forging; Carbon stainless steel during spring adopts; Spool, lining, filter block, inclined hole plug screw adopt copper alloy; The O RunddichtringO adopts butyronitrile rubber, and sealing ring adopts mold pressing liner steel loop butyronitrile rubber, and gasket seal adopts the hard polytetrafluoroethylene (PTFE).
2) rated operating pressure: 16MPa.
3) Applicable media: clear water, seawater, AFFF mixed liquor.
4) water supply flow: >=300L/min.
5) loss of flood peak :≤0.02MPa.
6) minimum driving pressure :≤0.3MPa.
7) valve body hydraulic pressure intensity: 24MPa, non-leakage, nothing distortion.
8) mounting means: upright, level, oblique, swing to installation.
9) Inlet and outlet water connecting thread: Rcl ".
10) opening time :≤15S; The shut-in time resets :≤20S.
11) possess the good hydraulic pressure resistance mistake water outlet performance that fluctuates/cut off the water supply, the water under high pressure hammering blow infringement when having eliminated On/Off.
The utility model is used for will being with a wide range of applications at electric power, chemical industry, metallurgy, storage, book and file in height, the pressure fine water mist fire-extinguishing system.
Claims (4)
1. high pressure alarm valve that drenches with rain is characterized in that being cylindrical outer shape, adopts the pressurised driving piston cylinder operator; Water supply connector is connected with the intake-outlet of valve body respectively by gasket seal with water out adapter, and sealing ring is enclosed within on the lining and is anchored on the spool influent side through pressing plate, and filter block is set in the valve body, and the inclined hole plug screw is anchored on the spool outlet section, and spring housing is at valve body and valve core chamber; During unlatching, the actuator chamber water inlet supercharging between spool and valve body promotes spool and moves away sealing surface, opens and supply water; High pressure drench with rain alarm valve by: water out adapter (1), spool (2), valve body (3), pressing plate (4), water supply connector (5), sealing ring (6), lining (7), spring (8), O RunddichtringO (9), inclined hole plug screw (10), filter block (11), gasket seal (12) are formed.
2. the high pressure according to claim 1 alarm valve that drenches with rain; It is characterized in that spool water inlet employing taper seat, 3 mounting holes; Water outlet is that tapering transition is the straight hole road, and influent side has been processed the pressing plate screw, is processed with O RunddichtringO groove on the maximum diameter of axle cylindrical; Influent side is provided with the spring dimple, and outlet section has been processed the inclined hole spiro pluging hole.
3. the high pressure according to claim 1 alarm valve that drenches with rain is characterized in that sealing ring adopts the butyronitrile rubber mold pressing to form, and the liner steel loop strengthens mold insert.
4. the high pressure according to claim 1 alarm valve that drenches with rain is characterized in that the inclined hole plug screw to going out 60 ° of current direction drift angles, is anchored in the spool water outlet sector hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204145976U CN202289288U (en) | 2011-10-26 | 2011-10-26 | High pressure deluge alarm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204145976U CN202289288U (en) | 2011-10-26 | 2011-10-26 | High pressure deluge alarm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202289288U true CN202289288U (en) | 2012-07-04 |
Family
ID=46358280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204145976U Expired - Fee Related CN202289288U (en) | 2011-10-26 | 2011-10-26 | High pressure deluge alarm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202289288U (en) |
-
2011
- 2011-10-26 CN CN2011204145976U patent/CN202289288U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI LEINUO SECURITY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LEINUO INDUSTRIAL GAS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201703 Shanghai city Qingpu district Song Fu Road No. 19 Patentee after: SHANGHAI LEINUO SECURITY TECHNOLOGY CO., LTD. Address before: 201703 Shanghai city Qingpu district Song Fu Road No. 19 Patentee before: Shanghai Leinuo Industrial Gases Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141026 |
|
| EXPY | Termination of patent right or utility model |