CN219462379U - Flame arrester capable of realizing on-line detection and cleaning - Google Patents

Abstract

The utility model discloses a flame arrester capable of realizing on-line detection and cleaning, which relates to the technical field of flame arresters and solves the technical problems that no cleaning and detection structure is arranged in the prior art, and an operator cannot realize detection and cleaning.

Description

Flame arrester capable of realizing on-line detection and cleaning

Technical Field

The utility model relates to the technical field of flame arresters, in particular to a flame arrestor capable of realizing on-line detection and cleaning.

Background

The utility model mainly relates to the technology of flame arresters, which are safety devices used for preventing flames of flammable gas and flammable liquid steam from spreading. Devices for preventing the passage of propagating flames (deflagrations or detonations), generally installed in pipes for transporting combustible gases, or on ventilated tanks, are constituted by a flame-retardant core, a flame-retardant casing and accessories, flame-retardant devices also being commonly used on pipes for transporting combustible gases. If flammable gases are ignited, the gas flame propagates throughout the network. To prevent this hazard, flame arresters are also used. Flame arresters can also be used on pipelines with open flame equipment to prevent flashback events. But it does not prevent open flame combustion of flammable gases and liquids that are open burning.

The fire arrestor is installed on the holding vessel of inflammable and explosive product, need periodic maintenance and detection each year, and at present this work all adopts to dismantle on the jar, and after mechanical hanging down, transport to the factory building and maintain and detect, the storage tank is high by several tens meters, and the fire arrestor is tens kilograms heavy, and the manpower can't realize dismantling, hoist and mount, the transportation expense is high, and the risk is unsafe greatly, and a large amount of organic matter of outer row of storage tank simultaneously, long period of construction, detection maintenance quality is influenced. The flame arrester capable of being detected on line solves a series of adverse factors existing at present, greatly reduces safety risk and construction cost, furthest reduces organic matter discharge and shortens construction time.

For example, the utility model named as flame arrestor and publication No. CN209865084U has the technical problems that no cleaning and detecting structure is arranged, and operators cannot realize detection and cleaning.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a flame arrester capable of realizing on-line detection and cleaning, and solves the technical problem that operators cannot realize detection and cleaning without a cleaning and detection structure in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a can realize on-line measuring and abluent flame arrester, includes fire-retardant pipe and detecting tube, its characterized in that, fire-retardant pipe fixed mounting is in detecting tube upper wall surface, the upper flange has been seted up to fire-retardant pipe up end, the lower flange has been seted up to detecting tube lower terminal surface, the side port has been seted up to the detecting tube lateral wall, the detecting flange has been seted up on the side port, lower flange joint storage tank, filling station pipeline, heating furnace, jar bodies such as torch for prevent and pause burning.

Preferably, a fire-retarding disc is fixedly arranged in the fire-retarding tube, a fire-retarding hole is formed in the fire-retarding disc, the fire-retarding hole forms an inclination angle with the tube axis of the detection tube, the fire-retarding hole is used for preventing combustion from heat transfer, one of the necessary conditions required by combustion is to reach a certain temperature, namely, a fire point is reached, and the combustion is stopped when the temperature is lower than the fire point. According to this principle, flame propagation can be prevented by only lowering the temperature of the combustion substance below its ignition point. When flame passes through many tiny channels of fire-retarding element, it will become several tiny flames, when designing the fire-retarding element in the fire-retarding device, the contact area between tiny flame and channel wall is expanded as much as possible, heat transfer is strengthened, and the flame temperature is lowered below the ignition point, thus preventing flame spreading.

Preferably, the upper detection hole is formed in the side wall of the fire-retardant pipe and above the fire-retardant plate, the lower detection hole is formed in the side wall surface of the fire-retardant pipe and below the fire-retardant plate, and the air tightness of the fire-retardant pipe is detected in real time in the working and detection processes through the upper detection hole and the lower detection hole.

Preferably, a supporting bracket is arranged on the inner wall surface of the detection tube and below the side port and used for installing a sealing detection plate for sealing detection.

Preferably, the sealing detection plate is fixedly arranged on the upper wall surface of the support bracket, the sealing detection plate is not arranged at ordinary times, the technical problem of plugging detection is solved when the side port and the fire-retardant pipe are inspected, the negative pressure counterweight is fixedly arranged on the lower wall surface of the sealing detection plate, and the sealing detection plate cannot be separated when the sealing detection plate is arranged for negative pressure detection in the process of detecting by an operator.

Advantageous effects

The utility model provides a flame arrester capable of realizing on-line detection and cleaning, which increases the travel distance of combustion gas and flame through an inclined hole flame-retarding hole, improves flame retarding effect, increases heat transfer distance, is used for on-line detection and cleaning of the flame arrester through a side detection structure, is convenient for maintenance of equipment and through hole treatment, and is provided with a negative pressure sealing plate through a detection structure for detecting the working effect of the flame arrester.

Drawings

FIG. 1 is a schematic view of a cross-sectional front view of a flame arrester capable of on-line detection and cleaning according to the present utility model.

In the figure: 1. a fire-blocking tube; 2. a detection tube; 3. an upper flange; 4. a lower flange; 5. a side port; 6. detecting a flange; 7. a firestop tray; 8. fire-retarding holes; 9. an upper detection hole; 10. a lower detection hole; 11. a support bracket; 12. sealing the detection plate; 13. negative pressure counterweight;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a can realize on-line measuring and abluent flame arrester, includes flame retardant pipe 1 and detection pipe 2, its characterized in that, flame retardant pipe 1 fixed mounting is in detection pipe 2 upper wall, upper flange 3 has been seted up to flame retardant pipe 1 up end, lower flange 4 has been seted up to detection pipe 2 lower terminal surface, side port 5 has been seted up to detection pipe 2 lateral wall, detection flange 6 has been seted up on the side port 5, and lower flange 4 connects the storage tank, filling station pipeline, the heating furnace, jar bodies such as torch for prevent and pause burning, fixed mounting has fire retardant disk 7 in the flame retardant pipe 1, the fire retardant hole 8 has been seted up on the fire retardant disk 7, the fire retardant hole 8 forms the inclination with detection pipe 2 axis, and fire retardant hole 8 is used for preventing burning heat transfer, and one of the required necessary condition of burning just needs to reach certain temperature, is on the fire point, is less than the fire point, and the burning will stop. According to this principle, flame propagation can be prevented by only lowering the temperature of the combustion substance below its ignition point. When flame passes through a plurality of tiny channels of the fire retarding element and then becomes a plurality of tiny flames, when the fire retarding element in the flame retarding device is designed, the contact area between the tiny flames and the channel wall is enlarged as much as possible, heat transfer is enhanced, the flame temperature is reduced below a fire ignition point, so that flame spreading is prevented, an upper detection hole 9 is formed in the side wall of the fire retarding tube 1 and above the fire retarding disc 7, a lower detection hole 10 is formed in the side wall surface of the fire retarding tube 1 and below the fire retarding disc 7, the air tightness of the fire retarding tube 1 is detected in real time in the working and detection process through the upper and lower detection holes 10, a supporting bracket 11 is formed in the inner wall surface of the detection tube 2 and below the side port 5 and used for installing a sealing detection plate 12, the sealing detection plate 12 is fixedly installed on the upper wall surface of the supporting bracket 11, the sealing detection plate 12 is not installed, and a negative pressure counterweight 13 is fixedly installed on the lower wall surface of the sealing detection plate 12 when the side port 5 and the fire retarding tube 1 are detected, so that in the process of detecting an operator, the negative pressure detection plate 12 is not separated from the sealing detection plate 12 when the sealing detection is installed.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: as shown in fig. 1, when the detection flange 6 is in a sealed state during operation, a sealing end plate is arranged for plugging, and the sealing detection plate 12 is withdrawn to enable the detection pipe 2 to be communicated, the lower flange 4 is connected with a tank body and a pipeline which are possibly burnt, so that when the pipeline and the storage pipe are burnt and bombed, flame passes through the inclined fire-resisting hole 8, the flame disappears, the combustion transmission is ended, and the bombing effect is reduced.

During the detection process, the sealing detection plate 12 is installed, the negative pressure machine or the pneumatic pump is connected to the detection flange 6 for sealing detection, and during the negative pressure detection, the sealing detection plate 12 is not lifted through the negative pressure counterweight 13 so as to influence the detection result.

The operation personnel clean through the side port 5 and the upper flange 3, and the operation such as through holes is convenient for maintain on line under the condition of not dismantling, is favorable to the safety handling of flame arrester and the maintenance of function.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims (5)

1. Can realize on-line measuring and abluent flame arrester, including flame retardant pipe (1) and detection tube (2), its characterized in that, flame retardant pipe (1) fixed mounting is in detection tube (2) upper wall, upper flange (3) have been seted up to flame retardant pipe (1) up end, lower flange (4) have been seted up to detection tube (2) lower terminal surface, side port (5) have been seted up to detection tube (2) lateral wall, detection flange (6) have been seted up on side port (5).

2. The flame arrester capable of realizing on-line detection and cleaning according to claim 1, wherein a flame arrester disk (7) is fixedly installed in the flame arrester tube (1), a flame arrester hole (8) is formed in the flame arrester disk (7), and an inclination angle is formed between the flame arrester hole (8) and the axis of the detection tube (2).

3. The flame arrester capable of realizing on-line detection and cleaning according to claim 1, wherein an upper detection hole (9) is formed in the side wall of the flame arrester tube (1) and above the flame arrester disk (7), and a lower detection hole (10) is formed in the side wall surface of the flame arrester tube (1) and below the flame arrester disk (7).

4. Flame arrester capable of realizing on-line detection and cleaning according to claim 1, wherein a supporting bracket (11) is arranged on the inner wall surface of the detection tube (2) and below the side port (5).

5. The flame arrester capable of achieving on-line detection and cleaning according to claim 4, wherein a sealing detection plate (12) is fixedly arranged on the upper wall surface of the supporting bracket (11), and a negative pressure counterweight (13) is fixedly arranged on the lower wall surface of the sealing detection plate (12).