CN205279048U - Device for preventing refluence of boiler steam - Google Patents
Device for preventing refluence of boiler steam Download PDFInfo
- Publication number
- CN205279048U CN205279048U CN201520945682.3U CN201520945682U CN205279048U CN 205279048 U CN205279048 U CN 205279048U CN 201520945682 U CN201520945682 U CN 201520945682U CN 205279048 U CN205279048 U CN 205279048U
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- CN
- China
- Prior art keywords
- pipe
- steam
- valve
- arm
- gauge
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- Withdrawn - After Issue
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Abstract
This application a device for preventing refluence of boiler steam, includes the steam pipe and installs the dual check valve on the feed pipe, dual check valve includes along two check valves of water flow direction, the check valve includes the disk seat and is located removal case in the disk seat, be equipped with siphunculus spare in the steam pipe, be equipped with the uniflow gauge in the siphunculus spare, the admission direction and the steam flow opposite direction of uniflow gauge, alarm device is connected to the uniflow gauge, sets up dual check valve, avoids the check valve of feed pipe malfunctioning, leads to the steam refluence, arouses that the incident takes place, and backflow water's flow is monitored to the uniflow gauge simultaneously, in time reports to the police, infories the staff.
Description
Technical field
The application belongs to boiler technology field, specifically, it relates to a kind of device preventing Boiler Steam from flowing backwards.
Background technology
Boiler is a kind of energy conversion, and the energy to boiler input has the chemical energy in fuel, electric energy, and boiler exports steam, high-temperature water or the organic heat carrier with certain heat energy.
The hot water produced in boiler or steam can directly for industrial production and people's lives provide required heat energy, it is possible to be converted to mechanical energy by steam power plant, or by generator, mechanical energy be converted to electric energy again. Thering is provided the boiler of hot water to be called hot water boiler, be mainly used in life, also have a small amount of application in industrial production, wherein, the boiler producing steam is called steam boiler, but, water service pipe easily flows backwards, and causes steam to flow backwards, thus has an accident.
Practical novel content
The application overcomes shortcoming of the prior art, it provides a kind of device preventing Boiler Steam from flowing backwards, and prevents steam from flowing backwards and causes the generation of accident, and it is simple and reliable for structure.
In order to solve the problems of the technologies described above, the application is achieved through the following technical solutions:
A kind of device preventing Boiler Steam from flowing backwards, the Double non-return valve comprising vapour pipe and be installed on water service pipe, described Double non-return valve comprises two vacuum breaker along water flow direction, described vacuum breaker comprises valve seat and is positioned at the moving valve core of described valve seat, it is provided with way pipe fitting in described vapour pipe, being provided with way flow gauge in described way pipe fitting, the admission direction of described way flow gauge and steam flow direction are contrary, and described way flow gauge connects warning device.
Further, described vapour pipe is also provided with the first arm, and described first arm is provided with the first valve and induced draft fan, and described first valve connection control device, described controller connects described way flow gauge.
Further, described controller also connects the switch of described water service pipe.
Further, being provided with the 2nd arm in the opposite direction side of described vapour pipe steam flow, described 2nd arm is towards steam flow direction, and described 2nd arm is provided with the 2nd valve, and the end of described 2nd arm is provided with air blast device.
Further, described steam-pipe is also enclosed with freeze pipe, and described freeze pipe connects described controller, and the position of the corresponding described freeze pipe of described water service pipe is provided with drainage tube, and described drainage tube is provided with the 3rd valve.
Compared with prior art, the useful effect of the application is:
A kind of device preventing Boiler Steam from flowing backwards described in the application, the Double non-return valve comprising vapour pipe and be installed on water service pipe, described Double non-return valve comprises two vacuum breaker along water flow direction, described vacuum breaker comprises valve seat and is positioned at the moving valve core of described valve seat, it is provided with way pipe fitting in described vapour pipe, way flow gauge it is provided with in described way pipe fitting, the admission direction of described way flow gauge is contrary with steam flow direction, described way flow gauge connects warning device, Double non-return valve is set, avoid the vacuum breaker of water service pipe malfunctioning, steam is caused to flow backwards, security incident is caused to occur, the flow of the backflow water of way flow gauge monitoring simultaneously, report to the police in time, notify staff.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present application, is used from explanation the application with the embodiment one of the application, does not form the restriction to the application, in the accompanying drawings:
Fig. 1 is the water service pipe structural representation of a kind of device preventing Boiler Steam from flowing backwards described in the application;
Fig. 2 is the steam tube structure schematic diagram of a kind of device preventing Boiler Steam from flowing backwards described in the application.
In figure, 1 vapour pipe; 2 water service pipes;
3 Double non-return valves; 4 vacuum breaker;
5 valve seats; 6 moving valve cores;
7 way pipe fittings; 8 way flow gauge;
9 first arms; 10 first valves;
11 the 2nd arms; 12 the 2nd valves;
13 freeze pipes; 14 the 3rd valves;
15 drainage tubes.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the application is described, it will be appreciated that preferred embodiment described herein is only for instruction and explanation of the application, and is not used in restriction the application.
A kind of device preventing Boiler Steam from flowing backwards as shown in Figure 1, 2, the Double non-return valve 3 comprising vapour pipe 1 and be installed on water service pipe 2, Double non-return valve 3 comprises two vacuum breaker 4 along water flow direction, vacuum breaker 4 comprises valve seat 5 and is positioned at the moving valve core 6 of valve seat 5, the design of Double non-return valve 3, prevent the malfunctioning of a vacuum breaker 4, cause the generation of accident.
Being provided with way pipe fitting 7 in vapour pipe 1, be provided with way flow gauge 8 in way pipe fitting 7, the admission direction of way flow gauge 8 is contrary with steam flow direction, way flow gauge 8 connects warning device, way flow gauge 8 monitors the flow of refluence steam, when reaching specified value, namely reports to the police.
Vapour pipe 1 is also provided with the first arm 9, first arm 9 is provided with the first valve 10 and induced draft fan, first valve 10 connection control device, controller connects way flow gauge 8, and when adverse current occurs, the first valve 10 is opened, steam is extracted out by induced draft fan, preventing boiler from having an accident, controller also connects the switch of water service pipe 2, is closed by water service pipe 2.
It is provided with the 2nd arm 11 in the opposite direction side of vapour pipe 1 steam flow, 2nd arm 11 is towards steam flow direction, 2nd arm 11 is provided with the 2nd valve 12, the end of the 2nd arm 11 is provided with air blast device, when occurring to flow backwards, opening the 2nd valve 12, steam is blown back by gas blower, and Accident prevention occurs.
Vapour pipe 1 road is also enclosed with freeze pipe 13, freeze pipe 13 connection control device, and the position of the corresponding freeze pipe 13 of water service pipe 2 is provided with drainage tube 15, drainage tube 15 is provided with the 3rd valve 14, vapour pipe 1 road is lowered the temperature by freeze pipe 13, reduces the pressure filtered, and steam water is flowed out by drainage tube 15.
Finally it is noted that these are only the preferred embodiment of the application; it is not limited to the application; although with reference to embodiment to present application has been detailed description; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein part technology feature is carried out equivalent replacement; but within all spirit in the application and principle; any amendment of being done, equivalent replacement, improvement etc., all should be included within the protection domain of the application.
Claims (5)
1. one kind prevents the device that Boiler Steam flows backwards, it is characterized in that: the Double non-return valve comprising vapour pipe He being installed on water service pipe, described Double non-return valve comprises two vacuum breaker along water flow direction, described vacuum breaker comprises valve seat and is positioned at the moving valve core of described valve seat, it is provided with way pipe fitting in described vapour pipe, being provided with way flow gauge in described way pipe fitting, the admission direction of described way flow gauge and steam flow direction are contrary, and described way flow gauge connects warning device.
2. a kind of device preventing Boiler Steam from flowing backwards according to claim 1, it is characterized in that: described vapour pipe is also provided with the first arm, described first arm is provided with the first valve and induced draft fan, and described first valve connection control device, described controller connects described way flow gauge.
3. a kind of device preventing Boiler Steam from flowing backwards according to claim 2, it is characterised in that: described controller also connects the switch of described water service pipe.
4. a kind of device preventing Boiler Steam from flowing backwards according to claim 3, it is characterized in that: be provided with the 2nd arm in the opposite direction side of described vapour pipe steam flow, described 2nd arm is towards steam flow direction, described 2nd arm is provided with the 2nd valve, and the end of described 2nd arm is provided with air blast device.
5. a kind of device preventing Boiler Steam from flowing backwards according to claim 4, it is characterized in that: described steam-pipe is also enclosed with freeze pipe, described freeze pipe connects described controller, and the position of the corresponding described freeze pipe of described water service pipe is provided with drainage tube, and described drainage tube is provided with the 3rd valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945682.3U CN205279048U (en) | 2015-11-24 | 2015-11-24 | Device for preventing refluence of boiler steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945682.3U CN205279048U (en) | 2015-11-24 | 2015-11-24 | Device for preventing refluence of boiler steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279048U true CN205279048U (en) | 2016-06-01 |
Family
ID=56063625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520945682.3U Withdrawn - After Issue CN205279048U (en) | 2015-11-24 | 2015-11-24 | Device for preventing refluence of boiler steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371264A (en) * | 2015-11-24 | 2016-03-02 | 佛山高富中石油燃料沥青有限责任公司 | Device for preventing boiler steam from flowing back |
-
2015
- 2015-11-24 CN CN201520945682.3U patent/CN205279048U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371264A (en) * | 2015-11-24 | 2016-03-02 | 佛山高富中石油燃料沥青有限责任公司 | Device for preventing boiler steam from flowing back |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20171226 |