CN210768708U

CN210768708U - Forest oil field fire prevention auxiliary device

Info

Publication number: CN210768708U
Application number: CN201920885976.XU
Authority: CN
Inventors: 赵浩钧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-06-16
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a forest oil field fire prevention auxiliary device, including air pump (1), intake pipe (2), check valve (3), burning jar (4), explosion-proof jar (9), draught fan (10), outer air duct (11), interior air exhaust pipeline (12), exhaust pipe (13), suction nozzle (14) and flange dish (15). The utility model discloses a set up the air pump and send the air into the burning jar through the check valve to send into the well with the hypoxemia gas through the burning, reduce the possibility that open fire takes place for oil gas, and annular nozzle can be with the gaseous different directions diffusion in the well of extremely low oxygen content furthest, fully dilute oil gas and gaseous mixture, improved the initiative of prevention calamity, stop the potential safety hazard; when the concentration of oil gas is too large in the pit, the extraction nozzle can be with the partial oil gas extraction in the well explosion-proof tank, consume the oil gas molecule burning through burning shower nozzle.

Description

Forest oil field fire prevention auxiliary device

Technical Field

The utility model relates to a fire prevention technical field specifically is a forest oil field fire prevention auxiliary device.

Background

The method for improving the afforestation vegetation of the mining area into the forest mining area is a new measure aiming at the environmental pollution in recent years. For example, in 5 years planned by Shiwein city of Hubei province, 1000 ten thousand mu biomass energy forest bases are built in the whole province, the western mountainous areas become main forest oil field producing areas, the oil content of the Oriental jatropha curcas and the oil content of the Oriental jatropha curcas are respectively as high as 59.7% and 59.1%, the economic life can reach 30 years to 40 years, the tourism can be driven to develop, and the forest wooden house for wining the oil field in 2017 also becomes the national AA-level tourist attraction.

In the process of forest and mining area integration, because no matter be the mine or the oil well, or the vegetation all is the inflammables, take the process and can produce the evaporation, form inflammable vapor, can cause the well to catch fire in carelessly a little in the operation process, when to mining equipment damage, still can cause the energy extravagant, and the dangerous degree is than higher, and the developer is not enough to this attention degree, also lack relevant precaution, consequently, to the oil well of small-scale, it is necessary to design a device that can prevent and control the factor of catching fire in the oil well and stop the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forest oil field fire prevention auxiliary device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a forest oil field fire prevention auxiliary device, includes air pump, intake pipe, check valve, combustion tank, explosion-proof jar, draught fan, air-blower, outer air duct, interior exhaust duct, exhaust pipe, suction nozzle and ring flange. An air inlet is formed in the left lower side wall of the combustion tank, one end of an air inlet pipe is welded on the periphery of the outer wall of the air inlet, the other end of the air inlet pipe is tightly and hermetically connected with the air output end of the air pump, a one-way valve is fixedly mounted on the air inlet pipe and only used for conveying the external air into the combustion tank in a one-way mode, an igniter and a combustion nozzle are fixedly mounted in the combustion tank, an air outlet hole is formed in the bottom of the combustion tank, one end of an external air pipeline 11 is welded on the outer periphery of the air outlet hole, a flange plate 15 is welded at the other end of the external air pipeline 11, and a hermetically connected end cover is arranged on the port of the external air pipeline 11 located; a plurality of screw holes have been seted up to the equipartition on outer vent-pipe's lateral wall, threaded hole installs the exhaust pipe, the exhaust pipe comprises two annular nozzle, packing ring, rubber packing ring and end cover, the one end of exhaust pipe has the external screw thread, and its other end sealing connection has the end cover, annular nozzle fixed mounting is on the exhaust pipe, and the equipartition is equipped with a plurality of air nozzles on it, and the welding has the packing ring on the root circular bead of exhaust pipe external screw thread, and the exhaust pipe has the one end of external screw thread to close at outer vent-pipe's threaded hole soon, and the packing ring passes through rubber packing ring fastening with outer vent-pipe outer.

An igniter and a combustion nozzle are fixedly installed in the explosion-proof tank, an air outlet of the draught fan is communicated with an air inlet of the explosion-proof tank in a sealing mode through a pipeline, an air suction opening of the draught fan is connected with an inner air suction pipeline in an outer vent pipeline in a flange mode through a pipeline, the tail end opening of the inner air suction pipeline is of a closed structure, a plurality of threaded holes are formed in two corresponding sides of the outer wall of the inner air suction pipeline, an air suction nozzle is installed in each threaded hole, a through hole is formed in the outer vent pipeline in a position corresponding to the threaded hole of the inner air suction pipeline, and the through hole is matched with; one end of the air suction nozzle is provided with an external thread matched with the threaded hole on the inner air suction pipeline, the other end of the air suction nozzle is provided with an external thread matched with the nut, and meanwhile, a rubber gasket and a gasket are arranged at the shoulder of the root part of the threads at the two ends; one end of the air suction nozzle is screwed in the threaded hole of the inner air suction pipeline, and the other end of the air suction nozzle penetrates through the through hole on the outer wall of the outer vent pipeline and is screwed by a nut; the gas output end of the blower is communicated to the inner cavity of the explosion-proof tank through a pipeline, so that sufficient oxygen in the explosion-proof tank is ensured, and the combustion rate of oil gas in the tank is improved; when the concentration of underground oil gas is too high, the extraction nozzle can extract part of the oil gas in the well into the explosion-proof tank.

As a further aspect of the present invention: and air escape valves are fixedly mounted on the side walls of the combustion tank and the explosion-proof tank.

As a further aspect of the present invention: and a plurality of radiating fins are fixedly arranged on the outer wall of the combustion tank.

As a further aspect of the present invention: the outer vent pipeline is composed of a plurality of pipelines which are adjacent and communicated with each other, and the end parts of the pipelines are provided with flanges.

As a further aspect of the present invention: the inner air extraction pipeline is composed of a plurality of pipelines which are adjacent and communicated with each other, and the end parts of the pipelines are provided with flanges.

As a further aspect of the present invention: and a rubber sealing gasket is arranged on a sealing surface contacted between the flange plates.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the air pump and send the air into the burning jar through the check valve to send into the well with the hypoxemia gas through the burning, because the oxygen content of gas is extremely low, reduced the possibility that open fire takes place for oil gas, and annular nozzle can be with the gas diffusion of the extremely low oxygen content to different directions in the well to the furthest, fully dilute oil gas and hypoxemia gas and mix, also reduced the temperature in the well simultaneously, improved the initiative of calamity prevention, stop the potential safety hazard; when the concentration of underground oil gas is too high, the utility model also arranges an explosion-proof tank, under the action of the draught fan, the air exhaust nozzle on the inner air exhaust pipeline can exhaust part of oil gas in the well into the explosion-proof tank, and the oil gas molecules are combusted and consumed through the combustion nozzle, thereby avoiding the possibility of accidents caused by oil gas leakage; by releasing hypoxic gas into the well and pumping part of the oil gas out of the well, the efficiency of the well's fire prevention work is improved.

Drawings

Fig. 1 is a schematic structural diagram of a forest oil field fire prevention auxiliary device.

Fig. 2 is a schematic structural diagram of an exhaust duct 13 in the forest oil field fire prevention auxiliary device.

Fig. 3 is a schematic structural diagram of an air suction nozzle 14 in the forest oil field fire prevention auxiliary device.

As shown in the figure: an air pump 1; an air inlet pipe 2; a check valve 3; a combustion can 4; an air escape valve 5; a combustion nozzle 6; an igniter 7; a heat sink 8; an explosion-proof tank 9; an induced draft fan 10; an outer vent pipe 11; an inner pumping duct 12; an exhaust duct 13; a suction nozzle 14; a flange 15; an annular nozzle 16; a gasket 17; a rubber gasket 18; an end cap 19; a blower 20; and a nut 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; unless expressly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, in an embodiment of the present invention, an auxiliary device for forest oil field fire prevention includes an air pump 1, an air inlet pipe 2, a check valve 3, a combustion tank 4, an explosion-proof tank 9, an induced draft fan 10, an air blower 20, an outer air duct 11, an inner air duct 12, an exhaust pipe 13, an air suction nozzle 14, and a flange 15. An air inlet is formed in the left lower side wall of the combustion tank 4, one end of an air inlet pipe 2 is welded on the periphery of the outer wall of the air inlet, the other end of the air inlet pipe 2 is tightly and hermetically connected with the air output end of the air pump 1, a one-way valve 3 is fixedly mounted on the air inlet pipe 2, the one-way valve 3 is only used for conveying outside air into the combustion tank 4 in a one-way mode, an igniter 7 and a combustion nozzle 6 are fixedly mounted in the combustion tank 4, an air outlet hole is formed in the bottom of the combustion tank 4, one end of an outer air pipeline 11 is welded on the outer periphery of the air outlet hole, a flange plate 15 is welded at the other end of the outer air pipeline 11, an end cover in sealing connection is arranged on the port of the outer air; a plurality of screw holes have been seted up to the equipartition on outer vent-pipe 11's lateral wall, threaded hole installs exhaust pipe 13, exhaust pipe 13 comprises two annular nozzle 16, packing ring 17, rubber packing ring 18 and end cover 19, the one end of exhaust pipe 13 has the external screw thread, and its other end sealing connection has end cover 19, annular nozzle 16 fixed mounting is on exhaust pipe 13, and the equipartition is equipped with a plurality of air nozzles on it, and the welding has packing ring 17 on the root circular bead of exhaust pipe 13 external screw thread, and exhaust pipe 13 has the one end of external screw thread to close soon in outer vent-pipe 11's threaded hole, and packing ring 17 passes through rubber packing ring 18 fastening with outer vent-pipe 11 outer wall and seals, improves the gas tightness.

An igniter 7 and a combustion nozzle 6 are fixedly installed in the explosion-proof tank 9, an air outlet of the draught fan 10 is communicated with an air inlet of the explosion-proof tank 9 in a sealing mode through a pipeline, an air suction port of the draught fan 10 is connected with an inner air suction pipeline 12 in an outer vent pipeline 11 in a flange mode through a pipeline, a tail end port of the inner air suction pipeline 12 is of a closed structure, a plurality of threaded holes are formed in two corresponding sides of the outer wall of the inner air suction pipeline 12, an air suction nozzle 14 is installed in each threaded hole, a through hole is formed in the outer vent pipeline 11 in a position corresponding to the threaded hole of the inner air suction pipeline 12, and the through hole is matched with the outer; one end of the air suction nozzle 14 is provided with an external thread which is matched with the threaded hole on the inner air suction pipeline 12, the other end of the air suction nozzle 14 is provided with an external thread which is matched with the nut 21, and meanwhile, a rubber gasket 18 and a gasket 17 are arranged at the root shoulder of the threads at the two ends; one end of the air suction nozzle 14 is screwed in the threaded hole of the inner air suction pipeline 12, and the other end of the air suction nozzle passes through the through hole on the outer wall of the outer air ventilation pipeline 11 and is screwed by a nut 21, so that the inner air suction pipeline 12 is fixed on the outer air ventilation pipeline 11, and a gasket 17 and a rubber gasket 18 for sealing are arranged between the air suction nozzle 14 and the outer air ventilation pipeline 11 as well as between the air suction nozzle 14 and the inner air suction pipeline 12, thereby ensuring the air tightness of the pipelines; the gas output end of the blower 20 is communicated with the inner cavity of the anti-explosion tank 9 through a pipeline, so that sufficient oxygen in the anti-explosion tank 9 is ensured, and the combustion rate of oil gas in the tank is improved; when the concentration of underground oil gas is too high, the air suction nozzle 14 can suck part of oil gas in the well into the anti-explosion tank 9, and the igniter 7 ignites the combustion spray head 6 to burn and consume oil gas molecules, so that the possibility of accidents caused by oil gas leakage is avoided.

Equal fixed mounting has snuffle valve 5 on the lateral wall of combustion can 4 and explosion-proof jar 9, snuffle valve 5 is used for controlling the gas pressure in the jar, prevents that the jar body from exploding.

A plurality of radiating fins 8 are fixedly mounted on the outer wall of the combustion tank 4, and the radiating performance of the combustion tank 4 is improved.

The outer vent pipe 11 is composed of a plurality of adjacent pipes which are provided with flanges 15 at the end parts and are communicated with each other, so as to meet the use requirements of the shafts with different lengths.

The inner air extraction pipeline 12 is composed of a plurality of adjacent pipelines of which the end parts are provided with flange plates and are mutually communicated in a sealing way, so that the use requirements of wells with different lengths are met.

And a rubber sealing gasket is arranged on a contact sealing surface between the flange plates 15, and the sealing performance of the rubber sealing gasket can be improved.

The type of the explosion-proof tank 9 is as follows: FBG-AH01, Specification: diameter 60 × 60cm/80 × 80cm, material: low carbon steel alloy, explosion-proof ability: 1kgTNT, 1.5kgTNT, weight: 230kg, 280 kg.

The utility model discloses the theory of operation:

the utility model relates to a basis is that the burning condition is designed with the principle of putting out a fire.

The combustion conditions are as follows: 1) combustibles, substances that react violently with oxygen or other oxidants in the air; 2) comburent, a substance that can help support combustion, namely oxygen and an oxidant; 3) fire sources, energy sources causing combustion of substances, such as open flames, friction, electric sparks, and the like.

The fire extinguishing conditions are as follows: 1) removing combustible materials; 2) isolating oxygen; 3) the temperature is lowered below the ignition point. Combustion process and products of air: because the air is a mixed gas consisting of over seventy percent of nitrogen, over twenty percent of oxygen and a few of trace inert gases, the oxygen in the air is also a combustion supporter, and under the combustion state of the combustion improver, the nitrogen in the air has the non-flammable characteristic, only the oxygen participates in combustion, and generates carbon dioxide which has the flame retardant characteristic.

A forest oil field fire prevention auxiliary device has been designed according to above-mentioned principle, through carrying a large amount of hypoxemia gases in to the well, extracts the oil gas of excessive concentration simultaneously, can satisfy foretell fire extinguishing conditions to the purpose of prevention conflagration. When the oil field construction fire prevention work is carried out, according to the actual oil well pipeline condition, after the device is assembled on the ground, the outer ventilation pipeline 11 and the inner air extraction pipeline 12 are arranged in a well, when oil gas in the well is too thick, the air pump 1 is started, the air pump 1 sends outside air into the combustion tank 4 through the air inlet pipeline 2 and the check valve 3 on the air inlet pipeline, the combustion spray head 6 is ignited through the igniter 7, due to the continuous combustion of the combustion spray head 6, the oxygen content in the air input by the air pump 1 can be consumed to the maximum extent and changed into gas with little oxygen content (namely hypoxic gas), and the hypoxic gas is discharged into an inlet channel through the outer ventilation pipeline 11 and the exhaust pipe 13 on the outer ventilation pipeline; because the circulation of oil gas in the well is poor, the annular nozzle 16 on the exhaust pipe 13 can diffuse the hypoxic gas to different directions in the well to the utmost extent, fully dilute and mix the oil gas and the hypoxic gas, and simultaneously reduce the underground temperature, and because the oxygen content of the diluted mixed gas is extremely low, the possibility of open fire of the oil gas is reduced. The initiative of disaster prevention is improved.

The utility model discloses the explosion-proof tank 9 that sets up is connected with draught fan 10 gas vent pipeline, draught fan 10 bleed end pipeline is communicated with the interior bleed line 12 that has a plurality of suction nozzles 14, when oil gas concentration is too big in the pit, draught fan 10 begins work, the suction nozzle 14 of interior bleed line 12 pumps part oil gas in the well into explosion-proof tank 9, burn the consumption of oil gas molecule through combustion nozzle 6 in explosion-proof tank 9, the possibility of oil gas leakage accident has been stopped, simultaneously explosion-proof tank 9 still communicates with the gas output end of air-blower 20, air-blower 20 constantly inputs the explosion-proof tank 9 with the outside air, guarantee that the oxygen in explosion-proof tank 9 is sufficient, improve the burning rate of oil gas in the jar; in order to control the gas pressure in the combustion tank 4 and the explosion-proof tank 9 and prevent the tank body from exploding, the side walls of the combustion tank 4 and the explosion-proof tank 9 are provided with the air release valve 5 to control the gas pressure in the tank.

Claims

1. The utility model provides a forest oil field fire prevention auxiliary device, includes air pump (1), intake pipe (2), check valve (3), burning jar (4), explosion-proof jar (9), draught fan (10), air-blower (20), outer breather pipe (11), interior suction line (12), exhaust pipe (13), suction nozzle (14) and flange dish (15), its characterized in that: an air inlet is formed in the left lower side wall of the combustion tank (4), one end of an air inlet pipe (2) is welded on the periphery of the outer wall of the air inlet, the other end of the air inlet pipe (2) is tightly and hermetically connected with the gas output end of the air pump (1), a one-way valve (3) is fixedly installed on the air inlet pipe (2), the one-way valve (3) is only used for conveying outside air to the combustion tank (4) in a one-way mode, an igniter (7) and a combustion nozzle (6) are fixedly installed in the combustion tank (4), meanwhile, an air outlet is formed in the bottom of the combustion tank (4), one end of an outer air pipeline (11) is welded on the outer periphery of the air outlet, a flange plate (15) is welded at the other end of the outer air pipeline (11), an end cover is hermetically connected to the port of the endmost outer air pipeline (11), and a plurality of threaded holes are uniformly formed in the, one end of the exhaust pipe (13) is provided with an external thread, the other end of the exhaust pipe is connected with an end cover (19) in a sealing manner, the plurality of annular nozzles (16) are fixedly arranged on the exhaust pipe (13), a gasket (17) is welded on the outer wall of the exhaust pipe (13), one end of the exhaust pipe (13) with the external thread is screwed in a threaded hole of the outer vent pipeline (11), and the gasket (17) and the outer wall of the exhaust pipe (13) are fastened and sealed through a rubber gasket (18); an igniter (7) and a combustion nozzle (6) are fixedly installed in the explosion-proof tank (9), an air outlet of the draught fan (10) is communicated with an air inlet of the explosion-proof tank (9) in a sealing mode through a pipeline, an air suction opening of the draught fan (10) is connected with an inner air suction pipeline (12) in the outer vent pipeline (11) in a flange mode through a pipeline, the tail end opening of the inner air suction pipeline (12) is of a closed structure, a plurality of threaded holes are formed in two corresponding sides of the outer wall of the inner air suction pipeline (12), an air suction nozzle (14) is installed in each threaded hole, a through hole is formed in the outer vent pipeline (11) corresponding to the threaded holes of the inner air suction pipeline (12), and the through hole is matched with the outer diameter of the air suction nozzle (; one end of the air suction nozzle (14) is provided with an external thread which is matched with the threaded hole on the inner air suction pipeline (12), the other end of the air suction nozzle (14) is provided with an external thread which is matched with the nut (21), and meanwhile, the shoulder parts of the root parts of the threads at the two ends are provided with a rubber gasket (18) and a gasket (17); one end of the air suction nozzle (14) is screwed in the threaded hole of the inner air suction pipeline, and the other end of the air suction nozzle passes through the through hole on the outer wall of the outer vent pipeline (11) and is screwed by a nut (21); the gas output end of the blower (20) is communicated to the inner cavity of the anti-explosion tank (9) through a pipeline, so that sufficient oxygen in the anti-explosion tank (9) is ensured, and the combustion rate of oil gas in the tank is improved.

2. The forest oilfield fire prevention auxiliary device of claim 1, wherein: and air release valves (5) are fixedly mounted on the side walls of the combustion tank (4) and the explosion-proof tank (9).

3. The forest oilfield fire prevention auxiliary device of claim 1, wherein: a plurality of radiating fins (8) are fixedly mounted on the outer wall of the combustion tank (4).

4. The forest oilfield fire prevention auxiliary device of claim 1, wherein: the outer vent pipeline (11) is composed of a plurality of pipelines which are adjacent and communicated with each other, and the end parts of the pipelines are provided with flanges (15).

5. The forest oilfield fire prevention auxiliary device of claim 1, wherein: the inner air extraction pipeline (12) is composed of a plurality of pipelines which are adjacent and communicated with each other, and the end parts of the pipelines are provided with flange plates (15).

6. The forest oilfield fire prevention auxiliary device of claim 1, wherein: and a rubber sealing gasket is arranged on a sealing surface of the contact between the flange plates (15).