CN212157133U - Structure for preventing combustible gas at top of separator from gathering - Google Patents
Structure for preventing combustible gas at top of separator from gathering Download PDFInfo
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- CN212157133U CN212157133U CN202020216922.7U CN202020216922U CN212157133U CN 212157133 U CN212157133 U CN 212157133U CN 202020216922 U CN202020216922 U CN 202020216922U CN 212157133 U CN212157133 U CN 212157133U
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- separator
- flue
- combustible gas
- top surface
- pipeline
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Abstract
The utility model relates to a structure for preventing combustible gas at the top of a separator from gathering, which comprises a separator, wherein the upper part of the side wall of the separator is communicated with a hearth through an inlet flue, a central cylinder is vertically and downwards arranged on the inner top surface of the separator, a flue is arranged on the outer top surface of the separator, the flue is communicated with the separator through the central cylinder, and the central cylinder is positioned right below the flue; a plurality of pipelines are uniformly arranged on the top of the separator by taking the flue as a center, one end of each pipeline is fixedly installed and communicated with the top surface of the separator, and the other end of each pipeline is fixedly installed and communicated with the flue; valves are arranged on the pipelines; and the valve is opened, and residual combustible gas gathered at the dead angle position between the inner top surface of the separator and the central cylinder is introduced into the flue through the pipeline, so that the gathering of the combustible gas is effectively reduced and even avoided. The utility model discloses an effective timely guide of separator inside top surface dead angle department combustible gas has guaranteed the security forcefully.
Description
Technical Field
The utility model belongs to the technical field of boiler equipment technique and specifically relates to a prevent structure of separator top combustible gas gathering.
Background
The separator is an important component of the circulating fluidized bed boiler, and is used for separating solid particles in the flue gas and returning the solid particles to the hearth for reuse. The circulating fluidized bed boiler is widely applied due to the characteristics of environmental protection, low emission and wide fuel adaptability.
In the production process of many industries, combustible gas is generated, and if the combustible gas is directly discharged, the combustible gas not only pollutes the environment, but also is energy waste, so the combustible gas is usually sent into a boiler to be combusted, and the heat energy generated by the combustible gas is utilized to generate electricity or produce steam and hot water, wherein the most common mode is to mix the combustible gas in the boiler. The circulating fluidized bed boiler is used as a boiler with wide fuel adaptability and is the best boiler for blending and burning combustible gas.
In the prior art, due to the structural characteristics of the circulating fluidized bed boiler, dead angles of air flow exist in a plurality of areas, such as the top of a separator, unburned residual combustible gas is easy to gather, deflagration accidents are caused, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a structure which is reasonable in structure and can prevent combustible gas at the top of the separator from gathering, so that the combustible gas at the dead corner of the top airflow in the separator can be effectively and timely guided to a flue, and the production safety is improved and guaranteed.
The utility model discloses the technical scheme who adopts as follows:
a structure for preventing combustible gas at the top of a separator from being gathered comprises the separator, wherein the upper part of the side wall of the separator is communicated with a hearth through an inlet flue, a central cylinder is vertically and downwards arranged on the inner top surface of the separator, a flue is arranged on the outer top surface of the separator, the flue is communicated with the separator through the central cylinder, and the central cylinder is positioned right below the flue; a plurality of pipelines are uniformly arranged on the top of the separator by taking the flue as a center, one end of each pipeline is fixedly installed and communicated with the top surface of the separator, and the other end of each pipeline is fixedly installed and communicated with the flue.
As a further improvement of the above technical solution:
valves are arranged on the single pipeline.
A single pipeline is the structure of buckling, and its concrete structure is: the vertical pipe is vertical to the top of the separator, the lower end of the vertical pipe downwards penetrates through the top wall surface of the separator and is fixedly connected with the top wall surface of the separator, a pipe orifice at the lower end of the vertical pipe is flush with the inner top surface of the separator, and the upper end of the vertical pipe bends and extends towards the direction of the flue and is fixedly connected with the flue.
The upper end of the vertical pipe extends towards the flue in a bending way to form a communicated round angle structure and an inclined pipe in sequence; the round angle structure is connected and communicated with the vertical pipe and the inclined pipe, the inclined pipe inclines downwards towards the direction of the flue, and the end head of the inclined pipe penetrates through the wall surface of the flue and is fixedly connected and communicated with the flue.
And a valve is arranged on the pipeline at the joint of the fillet structure and the inclined pipe.
The inner top surface of the inlet flue is flush with the inner top surface of the separator.
One end of the central cylinder is fixedly arranged on the inner top surface of the separator, the other end of the central cylinder extends downwards into the separator, and the lower end head of the central cylinder is lower than the central axis of the inlet flue.
And the two ends of the pipeline are respectively welded with the separator and the flue in a sealing way.
The bottom of the separator is communicated downwards, and the particulate matters in the flue gas fall down and are returned to the hearth through an external pipeline.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation through opening the valve, causes the residual combustible gas of dead angle position gathering between top surface and the central section of thick bamboo in the separator in the flue through the pipeline, has effectively reduced the gathering of having avoided combustible gas even, has ensured the security greatly, both has been applicable to the transformation of old boiler, also is applicable to the boiler in the new design, and the suitability is strong.
The utility model discloses still include following advantage:
the pipelines are uniformly distributed on the top surface of the separator by taking the flue as the center, so that all gas between the periphery of the central cylinder and the inner top surface of the separator is effectively discharged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Wherein: 1. a separator; 2. a pipeline; 3. a valve; 4. a flue; 5. a central barrel; 6. an inlet flue; 21. an inclined tube; 22. a fillet structure; 23. a standpipe.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the structure for preventing combustible gas at the top of the separator of the present embodiment includes a separator 1, the upper portion of the sidewall of the separator 1 is communicated with a furnace chamber through an inlet flue 6, a central cylinder 5 is vertically and downwardly installed on the inner top surface of the separator 1, a flue 4 is installed on the outer top surface of the separator 1, the flue 4 is communicated with the separator 1 through the central cylinder 5, and the central cylinder 5 is located right below the flue 4; a plurality of pipelines 2 are uniformly arranged on the top of the separator 1 by taking the flue 4 as a center, one end of each pipeline 2 is fixedly installed on and communicated with the top surface of the separator 1, and the other end of each pipeline 2 is fixedly installed on and communicated with the flue 4; residual combustible gas gathered at the inner top surface of the separator 1 is guided into the flue 4 through the pipeline 2, so that the safety is greatly guaranteed; a plurality of pipelines 2 are uniformly distributed by taking the flue 4 as the center so as to effectively remove all gas between the periphery of the central cylinder 5 and the inner top surface of the separator 1.
The valves 3 are arranged on the single pipeline 2, and the on-off of the pipeline 2 is realized by opening and closing the valves 3.
As shown in fig. 2, the single pipe 2 is a bent structure, and the specific structure thereof is as follows: including with 1 top vertically standpipe 23 of separator, 23 lower extremes of standpipe run through the top wall face of separator 1 downwards and link firmly, 23 lower extreme mouths of pipe of standpipe flush with the interior top surface of separator 1, and 23 upper ends of standpipe are buckled towards the direction of flue 4 and are extended and link firmly each other and link up.
The upper end of the vertical pipe 23 bends and extends towards the flue 4, and a round corner structure 22 and an inclined pipe 21 which are communicated with each other are sequentially formed; the round angle structure 22 connects and runs through the vertical pipe 23 and the inclined pipe 21, the inclined pipe 21 inclines downwards towards the flue 4, and the end of the inclined pipe 21 runs through the wall surface of the flue 4 and is fixedly connected and run through.
The pipeline 2 at the joint of the fillet structure 22 and the inclined pipe 21 is provided with a valve 3.
The inner top surface of the inlet flue 6 is flush with the inner top surface of the separator 1.
One end of the central cylinder 5 is fixedly arranged on the inner top surface of the separator 1, the other end of the central cylinder 5 extends downwards into the separator 1, the lower end head of the central cylinder 5 is lower than the central axis of the inlet flue 6 and extends to the central cylinder 5 in the separator 1, so that the effective separation and falling of particles in the flue gas are ensured, and the particles discharged upwards along with the flue gas are reduced.
The two ends of the pipeline 2 are respectively welded with the separator 1 and the flue 4 in a sealing way.
The bottom of the separator 1 is communicated downwards, and the particles in the flue gas fall down and are returned to the hearth through an external pipeline.
The utility model discloses a theory of operation does:
the valve 3 is opened periodically, so that residual combustible gas gathered at the dead angle position between the inner top surface of the separator 1 and the central cylinder 5 is introduced into the flue 4 through the pipeline 2, thereby effectively reducing or even avoiding the gathering of the combustible gas, greatly ensuring the safety, and being suitable for the transformation of old boilers and boilers in new design.
The utility model discloses simple structure is compact practical, and the operation of being convenient for has guaranteed that top surface department remains combustible gas's effective timely guide in the separator, has ensured the security greatly, and the suitability is strong.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (9)
1. A structure for preventing combustible gas at the top of a separator from gathering comprises the separator (1), the upper part of the side wall of the separator (1) is communicated with a hearth through an inlet flue (6), and the structure is characterized in that: a central cylinder (5) is vertically and downwards mounted on the inner top surface of the separator (1), a flue (4) is mounted on the outer top surface of the separator (1), the flue (4) is communicated with the separator (1) through the central cylinder (5), and the central cylinder (5) is positioned right below the flue (4); the top of the separator (1) is uniformly provided with a plurality of pipelines (2) by taking the flue (4) as the center, one end of each pipeline (2) is fixedly installed and communicated with the top surface of the separator (1), and the other end of each pipeline (2) is fixedly installed and communicated with the flue (4).
2. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 1, wherein: the valves (3) are arranged on the single pipeline (2).
3. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 2, wherein: single pipeline (2) are the structure of buckling, and its concrete structure is: including with separator (1) top vertically standpipe (23), standpipe (23) lower extreme runs through the top wall face of separator (1) downwards and links firmly, and standpipe (23) lower extreme mouth of pipe flushes with the interior top surface of separator (1), and standpipe (23) upper end is buckled towards the direction of flue (4) and is extended and link firmly the link up each other.
4. A structure for preventing the accumulation of combustible gas at the top of a separator as claimed in claim 3, wherein: the upper end of the vertical pipe (23) extends towards the direction of the flue (4) in a bending way, and a communicated round corner structure (22) and an inclined pipe (21) are sequentially formed; the round angle structure (22) connects and penetrates the vertical pipe (23) and the inclined pipe (21), the inclined pipe (21) inclines downwards towards the flue (4), and the end of the inclined pipe (21) penetrates through the wall surface of the flue (4) and is fixedly connected and penetrated.
5. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 4, wherein: and a valve (3) is arranged on the pipeline (2) at the joint of the fillet structure (22) and the inclined pipe (21).
6. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 1, wherein: the inner top surface of the inlet flue (6) is flush with the inner top surface of the separator (1).
7. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 1, wherein: one end of the central cylinder (5) is fixedly arranged on the inner top surface of the separator (1), the other end of the central cylinder (5) extends downwards into the separator (1), and the lower end head of the central cylinder (5) is lower than the central axis of the inlet flue (6).
8. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 1, wherein: and the two ends of the pipeline (2) are respectively welded with the separator (1) and the flue (4) in a sealing way.
9. The structure for preventing the accumulation of combustible gas at the top of a separator according to claim 1, wherein: the bottom of the separator (1) is communicated downwards, and particulate matters in the flue gas fall down and are returned to the hearth through an external pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216922.7U CN212157133U (en) | 2020-02-26 | 2020-02-26 | Structure for preventing combustible gas at top of separator from gathering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216922.7U CN212157133U (en) | 2020-02-26 | 2020-02-26 | Structure for preventing combustible gas at top of separator from gathering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212157133U true CN212157133U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216922.7U Active CN212157133U (en) | 2020-02-26 | 2020-02-26 | Structure for preventing combustible gas at top of separator from gathering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212157133U (en) |
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2020
- 2020-02-26 CN CN202020216922.7U patent/CN212157133U/en active Active
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