CN217188450U

CN217188450U - Smoke circulating combustion smoke dehydration device of oil field steam injection boiler

Info

Publication number: CN217188450U
Application number: CN202220180447.1U
Authority: CN
Inventors: 黎增武; 冯斌斌; 赵伟伟; 蒿秋军; 潘文敏; 李扬; 唐艳
Original assignee: Individual
Current assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-16
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a smoke gas circulation combustion smoke gas dehydration device of an oil field steam injection boiler, which comprises a pipeline body, an alternate fan, a filter screen, a guide plate and a valve, wherein the right side of the pipeline body is fixedly connected with an intake pipe through a bolt, and the upper left end of the pipeline body is fixedly connected with a protective top plate; the rotating fan is installed and connected inside the left upper end of the pipeline body, and the side wall of the rotating fan is tightly attached to the inner wall of the pipeline body; the filter screen is clamped and installed between the pipeline body and the air inlet pipe, and the middle part of the pipeline body is integrally connected with a water collecting and discharging groove; guide plate fixed connection is on the inner wall of pipeline body, and the guide plate setting is in the left side position of filter screen. This oil field steam injection boiler flue gas circulation burning flue gas dewatering device, the moisture of convenient in to the flue gas is collected and is handled to and the dust of convenience in to the flue gas carries out filtration treatment, also be convenient for simultaneously install and change the fan, clearance filter screen facilitates the use.

Description

Smoke circulating combustion smoke dehydration device of oil field steam injection boiler

Technical Field

The utility model relates to an oil field correlation technique field specifically is an oil field steam injection boiler flue gas circulation burning flue gas dewatering device.

Background

After the oil field steam injection boiler is transformed from crude oil combustion to natural gas combustion, the content of Nitrogen Oxide (NOX) in the discharged smoke is still higher and exceeds 400mg/m3, along with the promotion of the national standard of the content of the Nitrogen Oxide (NOX) in the smoke discharged by the boiler and the increase of environmental protection, the oil field steam injection boiler also carries out combustion transformation on the boiler and carries out circulating combustion on the discharged smoke so as to reduce the content of the Nitrogen Oxide (NOX) in the discharged smoke, and too much condensed water in the smoke easily causes the corrosion of a combustor, a fan impeller and a circuit and needs to be treated;

however, the existing dehydration device is inconvenient for collecting and processing the moisture in the flue gas, filtering and processing the dust in the flue gas, installing and replacing a fan, cleaning a filter screen and using conveniently;

therefore, the smoke circulating combustion smoke dehydration device for the steam injection boiler in the oil field is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field steam injection boiler flue gas circulation burning flue gas dewatering device to solve the current dewatering device who provides among the above-mentioned background art, inconvenient moisture to in the flue gas is collected and is handled, and inconvenient dust to in the flue gas carries out filtration treatment, also is convenient for install the change fan simultaneously, clears up the filter screen, the problem that facilitates the use.

In order to achieve the above object, the utility model provides a following technical scheme: the smoke circulating combustion smoke dehydration device for the oil field steam injection boiler comprises a pipeline body, wherein the right side of the pipeline body is fixedly connected with an air inlet pipe through a bolt, and the upper left end of the pipeline body is fixedly connected with a protective top plate;

the rotating fan is installed and connected inside the left upper end of the pipeline body, and the side wall of the rotating fan is tightly attached to the inner wall of the pipeline body;

further comprising:

the filter screen is clamped and installed between the pipeline body and the air inlet pipe, and the middle part of the pipeline body is integrally connected with the water collecting and discharging groove;

the guide plate is fixedly connected to the inner wall of the pipeline body and arranged at the left side of the filter screen;

the valve, valve hinged joint is in the upper left end in collection drainage tank, and the inside through connection of valve has the gag lever post.

Preferably, the lower end surface of the water collecting and draining groove is obliquely arranged, a valve is clamped and connected to the opening on the left side of the water collecting and draining groove, and the valve forms a telescopic structure on the inner wall of the limiting rod through a buffer spring.

Preferably, the guide plate is arranged in the pipeline body in a step shape, the lower end of the guide plate at the lowest side is intersected with the opening at the upper end of the water collecting and discharging groove, and meanwhile, the upper surface of the guide plate is coated with an anti-sticking grease layer.

Preferably, the inner wall of the upper end of the pipeline body is provided with an exhaust hole, the side wall of the upper end of the pipeline body is connected with a pull rod in a penetrating manner, and meanwhile, the outer surface of the pull rod is sleeved with an adjusting spring;

the pull rod penetrates through the inside of the fixing frame, the fixing frame is fixedly connected to the lower end face of the protective top plate, the pull rod is located at one end of the inside of the pipeline body and is fixedly connected with the clamping blocks, and meanwhile the clamping blocks are connected with the rotating fans in a clamping mode.

Compared with the prior art, the beneficial effects of the utility model are that: the smoke gas circulating combustion smoke gas dehydration device of the oil field steam injection boiler is convenient for collecting and processing moisture in smoke gas, filtering and processing dust in the smoke gas, and meanwhile, is convenient for installing and replacing a fan, cleaning a filter screen and being convenient for use;

1. the smoke filter is provided with the air inlet pipe and the filter screen, the filter screen is clamped and connected between the pipeline body and the air inlet pipe, the pipeline body and the air inlet pipe are connected through bolts for reinforcement and fixation, and the filter screen plays a role in filtering smoke, so that clean gas is conveniently discharged, and the environment pollution is avoided;

2. the smoke passes through the guide plate and has the function of cooling, so that the water and the steam are conveniently split and treated, the water flows into the collection and drainage tank through the guide plate and is collected, and meanwhile, the gas is extracted and discharged through the rotating fan, so that the smoke is convenient to use;

3. the valve is provided with the valve and the limiting rod, the valve is turned over and adjusted on the water collecting and discharging groove through the limiting rod, and elastic force of the buffer spring is utilized, so that the valve can be opened leftwards in a one-way mode conveniently, water in the water collecting and discharging groove can flow out conveniently, and treatment is facilitated.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the pull rod of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the whole structure of the flow guide plate of the present invention.

In the figure: 1. a pipe body; 2. an air inlet pipe; 3. a filter screen; 4. a water collection and drainage tank; 5. a baffle; 6. a protective top plate; 7. alternate fans; 8. an exhaust hole; 9. a pull rod; 10. a fixed mount; 11. adjusting the spring; 12. a limiting rod; 13. a valve; 14. a buffer spring; 15. a clamping block; 16. an anti-sticking grease layer.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: when the smoke circulating combustion smoke dehydrating device of the steam injection boiler in the oil field is used, firstly, the filter screen 3 is clamped between the air inlet pipe 2 and the pipeline body 1, the pipeline body 1 and the air inlet pipe 2 are fixedly reinforced through bolts, the filter screen 3 is also convenient to clean and replace and the use is convenient, the rotating fan 7 is installed and attached on the inner wall of the upper end of the pipeline body 1, the pull rod 9 is pulled outwards to extrude the adjusting spring 11, so that the pull rod 9 can drive the clamping block 15 to be pulled out of the inner wall of the pipeline body 1, the rotating fan 7 is convenient to disassemble, so that the maintenance and the treatment are convenient, and on the contrary, the rotating fan 7 is convenient to support and clamp by the clamping block 15, so that the rotating fan is prevented from falling off and is convenient to use;

as shown in fig. 1, 3 and 4, the inner wall of the upper end of the pipeline body 1 is provided with an exhaust hole 8, so that exhaust treatment is facilitated, meanwhile, the guide plate 5 is fixedly connected to the inner wall of the pipeline body 1, when the flue gas filtered from the filter screen 3 contacts the anti-sticking grease layer 16 on the upper surface of the guide plate 5, moisture in the flue gas is cooled, flows downwards through the guide plate 5, and finally drops into the collection and drainage tank 4 for collection treatment, so that the use is facilitated;

combine shown in fig. 3, moisture is the gathering in collection drainage tank 4, when the moisture gathering is more, valve 13 receives the thrust of water, valve 13 extrudees buffer spring 14 on gag lever post 12 left, thereby it opens to be convenient for valve 13 to overturn on gag lever post 12, convenient automatic exhaust moisture, facilitate the use, when moisture is not many, valve 13 receives buffer spring 14's elastic thrust and collection drainage tank 4 and keeps the closure state, avoid the flue gas when discharging, discharge from collection drainage tank 4, avoid the polluted environment, influence the purification emission of flue gas and handle, facilitate the use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The smoke circulating combustion smoke dehydration device for the oil field steam injection boiler comprises a pipeline body (1), wherein the right side of the pipeline body (1) is fixedly connected with an air inlet pipe (2) through a bolt, and the upper left end of the pipeline body (1) is fixedly connected with a protective top plate (6);

the rotating fan (7) is installed and connected inside the upper left end of the pipeline body (1), and the side wall of the rotating fan (7) is tightly attached to the inner wall of the pipeline body (1);

it is characterized by also comprising:

the filter screen (3) is clamped and installed between the pipeline body (1) and the air inlet pipe (2), and the middle part of the pipeline body (1) is integrally connected with the water collecting and discharging groove (4);

the guide plate (5) is fixedly connected to the inner wall of the pipeline body (1), and the guide plate (5) is arranged at the left side position of the filter screen (3);

the valve (13) is hinged to the upper left end of the water collecting and discharging groove (4), and a limiting rod (12) penetrates through the inside of the valve (13).

2. The smoke gas circulation combustion smoke gas dehydration device of the oil field steam injection boiler according to the claim 1, characterized in that: the lower end surface of the water collecting and draining groove (4) is obliquely arranged, a valve (13) is connected to the opening of the left side of the water collecting and draining groove (4) in a clamping mode, and meanwhile the valve (13) forms a telescopic structure on the inner wall of the limiting rod (12) through a buffer spring (14).

3. The smoke gas circulation combustion smoke gas dehydration device of the oil field steam injection boiler according to the claim 1, characterized in that: the guide plate (5) is arranged in the pipeline body (1) in a step shape, the lower end of the guide plate (5) at the lowest side is intersected with an opening at the upper end of the water collecting and discharging groove (4), and meanwhile, an anti-sticking grease layer (16) is coated on the upper surface of the guide plate (5).

4. The oil field steam injection boiler flue gas circulation combustion flue gas dehydration device of claim 1, characterized in that: an exhaust hole (8) is formed in the inner wall of the upper end of the pipeline body (1), a pull rod (9) penetrates through the side wall of the upper end of the pipeline body (1), and an adjusting spring (11) is sleeved on the outer surface of the pull rod (9);

wherein, pull rod (9) run through in the inside of mount (10), and mount (10) fixed connection is at the lower terminal surface of protection roof (6) to pull rod (9) are located inside one end fixedly connected with grip block (15) of pipeline body (1), simultaneously the block is connected with fan (7) in turn between grip block (15) and grip block (15).