CN114681853B

CN114681853B - Diaphragm type deluge valve group of piping modularization

Info

Publication number: CN114681853B
Application number: CN202210208497.0A
Authority: CN
Inventors: 吴肖; 王苗苗; 刘汝卫; 张冀兰; 蒋勇; 杨强强; 杨加东; 刘华
Original assignee: Huaneng Group Technology Innovation Center Co Ltd; Huaneng Nuclear Energy Technology Research Institute Co Ltd
Current assignee: Huaneng Group Technology Innovation Center Co Ltd; Huaneng Nuclear Energy Technology Research Institute Co Ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2023-02-03
Anticipated expiration: 2042-03-04
Also published as: CN114681853A

Abstract

The invention provides a diaphragm type deluge valve group with modularized piping, which comprises: the rain valve comprises a rain valve body and a control pipeline, wherein the control pipeline comprises an upper cavity pipeline, a valve body cavity pipeline and a drainage pipeline, the upper cavity pipeline is connected between an inlet pipe and an upper cavity interface of the rain valve, the valve body cavity pipeline is connected between a water inlet cavity and a water outlet cavity, and the upper cavity pipeline and the valve body cavity pipeline are connected with the drainage pipeline. The present case is through drenching the valves to diaphragm type and carrying out piping modularization integration, can effectively reduce drenching the valve body and the connection interface of piping, has reduced the leakage point, is convenient for install and maintain.

Description

Diaphragm type deluge valve group of piping modularization

Technical Field

The invention relates to the technical field of fire fighting, in particular to a diaphragm type deluge valve group with a modularized piping.

Background

The fire-fighting deluge valve group is a high-efficiency control valve group, and is key equipment of an automatic water spray fire-extinguishing system and a water spray fire-extinguishing system. The main valve of the diaphragm type deluge alarm valve adopts a diaphragm to divide the main valve into an upper cavity and a lower cavity, and the upper cavity is a control cavity. The main valve sealing is realized by utilizing the water pressure generated by the difference of the upper cavity surface area and the lower cavity surface area. The diaphragm deluge valve is composed of a main valve, a hydraulic alarm bell, a pressure switch, a manual ball valve, an electromagnetic valve, a three-way ball valve, a needle valve, a control pipeline and the like. The corresponding water spraying fire extinguishing system can be formed by matching open type nozzles, water curtain nozzles, closed type nozzles and a fire alarm control system. The device has the characteristics of simple structure, easy operation, safety, reliability, convenient installation and maintenance and the like. When fire breaks out, the deluge valve is opened, the open type spray head of the system can automatically spray water to extinguish the fire source at the same time, and the water can be automatically sprayed to the whole protected area at the same time, so that the fire can be prevented from spreading and expanding. The method is suitable for buildings and places which are easy to freeze or need important protection and have large fire hazard danger.

The deluge valve group among the prior art's control pipeline's part quantity is many and mixed and disorderly, and the interface is more, leads to the leakage point more, is not convenient for install and maintain.

Disclosure of Invention

The invention aims to provide a diaphragm type deluge valve group with modularized piping, which is characterized in that a control pipeline is modularly integrated, only a few interfaces are reserved to be connected with a valve body (valve cover), so that the connecting interfaces of a deluge valve body and the piping are effectively reduced, the leakage points are reduced, and the installation and maintenance are convenient.

The embodiment of the application provides a diaphragm type deluge valves of piping modularization, includes: the deluge valve body comprises a deluge valve, a water inlet chamber, an inlet pipe, a water outlet chamber and an outlet pipe, wherein the water inlet chamber is connected between the deluge valve and the inlet pipe, and the water outlet chamber is connected between the deluge valve and the outlet pipe; the control pipeline comprises an upper chamber pipeline, a valve body chamber pipeline and a drainage pipeline, the upper chamber pipeline is connected between the inlet pipe and an upper chamber interface of the deluge valve, the valve body chamber pipeline is connected between the water inlet chamber and the water outlet chamber, and the upper chamber pipeline and the valve body chamber pipeline are connected with the drainage pipeline.

In some embodiments, the drain line includes a reset prevention valve branch, a drip valve branch and a hydraulic alarm bell branch, the reset prevention valve branch is connected to the reset prevention valve of the upper chamber line, and the drip valve branch and the hydraulic alarm bell branch are connected to the valve chamber line together.

In some embodiments, a fourth manual valve, a check valve, an anti-return valve and a first pressure gauge are sequentially arranged on the upper chamber pipeline from the inlet pipe to the upper chamber interface.

In some embodiments, the anti-reset valve branch is provided with a solenoid valve, and the pipelines on two sides of the solenoid valve are connected with a first manual valve in parallel.

In some embodiments, a filter is connected between the check valve and the fourth manual valve.

In some embodiments, the valve body chamber pipeline is provided with a second pressure gauge, a second manual valve and a third manual valve in sequence from the water inlet chamber to the water outlet chamber.

In some embodiments, the drip valve branch and the alarm bell branch are both connected between the second manual valve and the third manual valve, the drip valve branch is connected with a drip valve, and the alarm bell branch is connected with a pressure switch and an alarm bell.

In some embodiments, the terminals of the anti-reset valve branch, the drip valve branch and the alarm bell branch are connected together to a funnel.

In some embodiments, the anti-return valve comprises a housing, a slide valve and a spring, wherein the slide valve is connected to the upper end in the housing through the spring, the side wall of the slide valve is tightly attached to the inner wall of the housing, the slide valve divides the interior of the housing into an upper anti-return valve chamber and a lower anti-return valve chamber, the upper anti-return valve chamber is provided with a first inlet, the lower anti-return valve chamber is provided with a second inlet, a first outlet and a second outlet, and the first inlet, the second inlet and the first outlet are sequentially arranged on the side wall of the housing from top to bottom;

when the slide valve moves downwards to the maximum displacement, the slide valve just seals the second inlet, the first inlet and the second inlet are connected to the check valve through the upper chamber pipeline, the first outlet is connected to the upper chamber interface through the upper chamber pipeline, and the second outlet is connected to the anti-return valve branch.

In some embodiments, the first inlet and the second inlet are located on the same side of the housing, the first outlet is located on the opposite side of the second inlet, and the second outlet is located at the bottom of the housing.

The beneficial effects of the invention are as follows:

(1) By optimizing the openings of the deluge valve group body and the valve cover and reserving only a few interfaces to be connected with the valve body (valve cover), the connecting interfaces of the deluge valve body and the piping are effectively reduced, and leakage points are reduced;

(2) Through the integration of piping modularization, reduce the connection of piping, be convenient for on-the-spot installation and later maintenance.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent from and readily appreciated by reference to the following description of the embodiments taken in conjunction with the accompanying drawings,

wherein:

FIG. 1 is a flow diagram of a diaphragm shower valve block with modular piping according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of an anti-reset valve in an embodiment of the present application;

FIG. 3 is a schematic diagram of the internal structure of the anti-reset valve after the emergency manual valve or the solenoid valve is actuated;

reference numerals:

1-an outlet pipe; 2-a water outlet chamber; 3-a deluge valve; 4-a water inlet chamber; 5-an inlet tube; 6-upper chamber interface; 7-a first pressure gauge; 8-a non-return valve; 9-a check valve; 10-a filter; 11-a fourth manual valve; 12-a first manual valve; 13-a solenoid valve; 14-a second pressure gauge; 15-second manual valve; 16-a third manual valve; 17-a pressure switch; 18-a drip valve; 19-a water-powered alarm bell; 20-a water receiving funnel; 21-a housing; 22-a first inlet; 23-a slide valve; 24-a second inlet; 25-a spring; 26-an anti-reset valve upper chamber; 27-a lower chamber of the anti-reset valve; 28-a first outlet; 29-second outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A piping modular diaphragm type deluge valve block according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present application provides a diaphragm type deluge valve set with a modularized piping, including: the valve body that drenches with rain includes drenches valve 3, income water cavity 4, inlet tube 5, goes out water cavity 2 and outlet pipe 1, goes into water cavity 4 and connects between drenches valve 3 and inlet tube 5 with drenching with rain, goes out water cavity 2 and connects between drenches valve 3 and outlet pipe 1.

The control pipeline comprises an upper chamber pipeline, a valve body chamber pipeline and a drainage pipeline, the upper chamber pipeline is connected between the inlet pipe 5 and an upper chamber interface 6 of the deluge valve 3, and the valve body chamber pipeline is connected between the water inlet chamber 4 and the water outlet chamber 2. The drainage pipeline comprises a reset prevention valve branch, a drip valve branch and a hydraulic alarm bell branch.

And a fourth manual valve 11, a filter 10, a check valve 9, an anti-reset valve 8 and a first pressure gauge 7 are sequentially arranged on the upper chamber pipeline from the inlet pipe 5 to the upper chamber interface 6. The branch of the anti-reset valve is connected to the anti-reset valve 8 of the upper chamber pipeline. An electromagnetic valve 13 is arranged on the anti-reset valve branch, and first manual valves 12 are connected in parallel on pipelines on two sides of the electromagnetic valve 13.

The valve body cavity pipeline is sequentially provided with a second pressure gauge 14, a second manual valve 15 and a third manual valve 16 in the direction from the water inlet cavity 4 to the water outlet cavity 2. The drip valve branch and the hydraulic alarm bell branch are connected between the second manual valve 15 and the third manual valve 16, and the drip valve branch is located between the hydraulic alarm bell branch and the third manual valve 16. The dripping valve branch is connected with a dripping valve 18, and the hydraulic alarm bell branch is connected with a pressure switch 17 and a hydraulic alarm bell 19. The terminals of the anti-reset valve branch, the drip valve branch and the hydraulic alarm bell branch are connected to the water receiving funnel 20 together.

As shown in fig. 1, the inside of the dotted line frame is a piping integration module, the present case is integrated through piping modularization, the structure is optimized, the connecting interfaces of the valve bank body and the piping are effectively reduced, and the connecting interfaces are reduced to 3 opening interfaces from 7 opening interfaces of the original valve bank, namely, a valve body water inlet cavity interface (water inlet flange), a valve body water outlet cavity interface (water outlet flange) and an upper cavity interface 6. The pipe integrated module is simplified into five interfaces, namely, in addition to the 3 interfaces, an interface connected with the water conduit of the inlet pipe 5 and an interface connected with the water receiving funnel 20 are added.

When in use, (1) the initial state of the deluge valve group: the signal butterfly valves of the inlet pipe 5 and the outlet pipe 1 of the raining valve 3 are closed, that is, in an unused state, the first manual valve 12, the second manual valve 15, the fourth manual valve 11, and the electromagnetic valve 13 are closed, and the third manual valve 16 is opened.

(2) When the deluge valve group is online, the fourth manual valve 11 is opened, the check valve 9 and the anti-reset valve 8 are also in an open state, a diaphragm of an upper cavity of the deluge valve group is filled with water, and the first pressure gauge 7 displays the pressure value of the upper cavity in real time. The drain of the drip valve 18 is checked for water outflow, and if no water outflow occurs, the valve set is ready for online operation.

(3) When the valve is started, the valve can be actuated in the following three ways:

(1) the deluge valve group is opened to the start button on spot: an operator clicks a start button of the module box, the electromagnetic valve 13 is opened, water in an upper cavity of the deluge valve is released, and the deluge valve group acts.

(2) Remotely sending an instruction to open the deluge valve group: an operator clicks an opening button on the upper computer, the electromagnetic valve 13 is opened, water in the upper cavity of the deluge valve 3 is released, and the deluge valve group acts.

(3) Opening a manual valve on site: in an emergency, an operator manually opens the first manual valve 12 on the spot, the water in the upper chamber of the deluge valve is released, and the deluge valve set operates.

(4) When the deluge valve group is tested regularly, the second manual valve 15 is opened manually, the pressure switch 17 and the hydraulic alarm bell 19 act, and the regular test is finished.

The embodiment also provides a reset prevention valve, as shown in fig. 2-3, the reset prevention valve includes a housing 21, a spool 23 and a spring 25, the spool 23 is connected to the upper end in the housing 21 through the spring 25, the side wall of the spool 23 is tightly attached to the inner wall of the housing 21, the spool 23 divides the interior of the housing 21 into an upper reset prevention valve chamber 26 and a lower reset prevention valve chamber 27, the upper reset prevention valve chamber 26 is provided with a first inlet 22, the lower reset prevention valve chamber 27 is provided with a second inlet 24, a first outlet 28 and a second outlet 29, and the first inlet 22, the second inlet 24 and the first outlet 28 are sequentially arranged on the side wall of the housing 21 from top to bottom;

when the spool 23 is moved down to the maximum displacement, the spool 23 just seals the second inlet 24, and the first inlet 22 and the second inlet 24 are connected together to the check valve 9 through the upper chamber line in such a manner that the upper chamber line is divided into two at the first inlet 22 and the second inlet 24 by the tee pipe while filling the anti-return valve upper chamber 26 and the anti-return valve lower chamber 27 with water. The first outlet 28 is connected to the upper chamber interface 6 by an upper chamber line and the second outlet 29 is connected to the anti-reset valve branch.

The first inlet 22 and the second inlet 24 are located on the same side of the housing 21, the first outlet 28 is located on the opposite side of the second inlet 24, and the second outlet 29 is located at the bottom of the housing 21.

When the valve is used, water from the inlet pipe 5 of the deluge valve group is divided by the first inlet 22 and the second inlet 24 to enter the upper cavity 26 of the anti-reset valve and the lower cavity 27 of the anti-reset valve, the water in the lower cavity 27 of the anti-reset valve is balanced after being filled in the upper cavity of the deluge valve group through the connector, and at the moment, the position of the slide valve 23 is as shown in fig. 2, and the deluge valve group and the anti-reset valve 8 are balanced. When the emergency manual valve (i.e. the first manual valve 12) or the electromagnetic valve 13 is actuated, the water in the lower chamber 27 of the reset valve is prevented from being drained, the slide valve 23 is moved downward as a whole, and the water pressure of the first inlet 22 and the pressure of the spring 25 ensure that the slide valve 23 blocks the second inlet 24. Water in the upper chamber of the deluge valve group is discharged through the anti-reset valve branch.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A diaphragm type deluge valve group of piping modularization, its characterized in that includes:

the valve body comprises a deluge valve, a water inlet chamber, an inlet pipe, a water outlet chamber and an outlet pipe, wherein the water inlet chamber is connected between the deluge valve and the inlet pipe, and the water outlet chamber is connected between the deluge valve and the outlet pipe;

the control pipeline comprises an upper chamber pipeline, a valve body chamber pipeline and a drainage pipeline, the upper chamber pipeline is connected between the inlet pipe and an upper chamber interface of the deluge valve, the valve body chamber pipeline is connected between the water inlet chamber and the water outlet chamber, and the upper chamber pipeline and the valve body chamber pipeline are both connected with the drainage pipeline;

the drainage pipeline comprises an anti-reset valve branch, a drip valve branch and a hydraulic alarm bell branch, the anti-reset valve branch is connected to the anti-reset valve of the upper chamber pipeline, and the drip valve branch and the hydraulic alarm bell branch are connected to the valve chamber pipeline together;

a fourth manual valve, a check valve, an anti-reset valve and a first pressure gauge are sequentially arranged on the upper chamber pipeline from the inlet pipe to the upper chamber interface;

the anti-reset valve branch is provided with an electromagnetic valve, and pipelines on two sides of the electromagnetic valve are connected with a first manual valve in parallel;

the terminals of the anti-reset valve branch, the drip valve branch and the hydraulic alarm bell branch are connected with the water receiving funnel together;

the anti-reset valve comprises a shell, a slide valve and a spring, wherein the slide valve is connected to the upper end in the shell through the spring, the side wall of the slide valve is tightly attached to the inner wall of the shell, the slide valve divides the interior of the shell into an upper anti-reset valve cavity and a lower anti-reset valve cavity, the upper anti-reset valve cavity is provided with a first inlet, the lower anti-reset valve cavity is provided with a second inlet, a first outlet and a second outlet, and the first inlet, the second inlet and the first outlet are sequentially arranged on the side wall of the shell from top to bottom;

when the slide valve moves downwards to the maximum displacement, the slide valve just seals the second inlet, the first inlet and the second inlet are connected to the check valve through the upper chamber pipeline, the first outlet is connected to the upper chamber interface through the upper chamber pipeline, and the second outlet is connected to the anti-return valve branch;

the first inlet and the second inlet are positioned on the same side of the shell, the first outlet is arranged on the side opposite to the second inlet, and the second outlet is positioned at the bottom of the shell.

2. The piping-modularized diaphragm type deluge valve block according to claim 1, wherein a filter is connected between the check valve and the fourth manual valve.

3. The piping-modularized diaphragm type deluge valve block according to claim 1, wherein a second pressure gauge, a second manual valve, and a third manual valve are provided in this order in a direction from the water inlet chamber to the water outlet chamber in the valve body chamber piping.

4. The membrane type deluge valve set with modular piping as claimed in claim 1, wherein the drip valve branch and the alarm bell branch are connected between the second manual valve and the third manual valve, the drip valve branch is connected with a drip valve, and the alarm bell branch is connected with a pressure switch and an alarm bell.