CN217007214U - Steel chimney - Google Patents
Steel chimney Download PDFInfo
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- CN217007214U CN217007214U CN202220503441.3U CN202220503441U CN217007214U CN 217007214 U CN217007214 U CN 217007214U CN 202220503441 U CN202220503441 U CN 202220503441U CN 217007214 U CN217007214 U CN 217007214U
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- flue gas
- steel chimney
- inner cylinder
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Abstract
The application discloses steel chimney. This steel chimney is applicable to industry environmental protection technical field, and the vertical setting of urceolus of this steel chimney enters the mouth setting on the urceolus, and the vertical setting of inner tube is in the inside of urceolus, and sets up in the top of advancing the mouth, and the outer peripheral face of the bottom of inner tube passes through the connecting plate with the inner peripheral surface of urceolus to be connected, and flue gas analyzer sets up the inside at the inner tube. The flue gas flow velocity monitoring device can improve the flow velocity of flue gas monitored by the flue gas analyzer, thereby ensuring that the flow velocity of the flue gas is within the monitoring precision range of the flue gas analyzer, and effectively improving the monitoring effect of the flue gas of the steel chimney.
Description
Technical Field
The application belongs to the technical field of industrial environmental protection, and particularly relates to a steel chimney.
Background
In the prior art, the steel chimney mainly monitors the smoke emission in real time through a smoke analyzer arranged in the steel chimney, the smoke analyzer can ensure the monitoring precision and stability only by reasonable smoke flow rate and installation position, and the smoke flow rate range which can be monitored by the smoke analyzer is generally 5 m/s-35 m/s, so that the smoke flow rate is required to be generally more than 10m/s, and the monitoring precision cannot be ensured when the smoke flow rate is less than 5 m/s. However, the inner diameter of the conventional common steel chimney is large, so that the flow rate of flue gas under normal working conditions is low, and the monitoring effect of a flue gas analyzer is reduced.
SUMMERY OF THE UTILITY MODEL
This application aims at solving the technical problem on the low side of the flue gas analyzer's of the steel chimney monitoring effect among the prior art to a certain extent at least. To this end, the present application provides a steel chimney.
The technical scheme of the application is as follows:
the application provides a steel chimney, steel chimney includes:
an outer cylinder arranged vertically;
the smoke inlet is arranged on the outer barrel;
the inner cylinder is vertically arranged in the outer cylinder and is arranged above the smoke inlet;
the outer circumferential surface of the bottom of the inner cylinder is connected with the inner circumferential surface of the outer cylinder in a sealing way through the connecting plate;
and the smoke analyzer is arranged inside the inner barrel.
Further, the inner diameter of the inner cylinder is 30% -35% of the inner diameter of the outer cylinder.
Further, the connecting plate is a conical table, the diameter of the top of the connecting plate is smaller than that of the bottom of the connecting plate, the top of the connecting plate is connected with the bottom of the inner cylinder, and the bottom of the connecting plate is connected with the inner circumferential surface of the outer cylinder.
Further, the length of the inner cylinder is 6 d-8 d, wherein d is the diameter of the inner cylinder.
Further, the distance between the flue gas analyzer and the bottom of the inner cylinder is 60% -70% of the length of the inner cylinder.
Further, the flue gas analyzer is provided with more than four measuring heads.
Furthermore, the measuring end of the measuring head is arranged inside the inner barrel, and the signal output end of the measuring head is arranged outside the outer barrel.
Furthermore, more than four measuring heads are arranged around the central shaft of the inner cylinder at equal angular intervals.
Further, the steel chimney further comprises a guide support, the guide support comprises a connecting piece and a ring piece, the inner circumferential surface of the outer cylinder is connected with the outer circumferential surface of the ring piece through the connecting piece, the ring piece is sleeved on the top of the inner cylinder, and a gap is formed between the outer circumferential surface of the inner cylinder and the inner circumferential surface of the ring piece.
Further, the top of the inner cylinder and the top of the outer cylinder have a height difference.
The embodiment of the application has at least the following beneficial effects:
the application provides a steel chimney, because it sets up on the urceolus to advance the mouth, the vertical inside that sets up at the urceolus of inner tube, and set up the top at advancing the mouth, the outer peripheral face of the bottom of inner tube passes through the connecting plate with the inner peripheral surface of urceolus and seals and be connected, thereby guarantee to enter into the flue gas in the urceolus by advancing the mouth, can follow the bottom of inner tube and discharge by the top of inner tube through the inside of inner tube, because the internal diameter of inner tube is less than the internal diameter of urceolus, thereby when the flue gas passes through the inner tube, the velocity of flow of flue gas can accelerate, through setting up the inside at the inner tube with flue gas analyzer, make the velocity of flow of flue gas satisfy flue gas analyzer's velocity of flow monitoring scope, guarantee flue gas analyzer's monitoring precision.
In conclusion, the steel chimney that this application provided can improve the velocity of flow of the flue gas that flue gas analyzer monitored to guarantee that the flue gas velocity of flow is in flue gas analyzer's monitoring precision within range, effectively promoted the monitoring effect of the flue gas of steel chimney.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a steel chimney according to an embodiment of the present application.
Reference numerals:
10-an outer cylinder; 20-a smoke inlet; 30-an inner cylinder; 40-a connecting plate; 50-a flue gas analyzer; 60-a guide bracket; 70-a platform; 80-stairs.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The application is described below with reference to specific embodiments in conjunction with the following drawings:
fig. 1 is a steel chimney according to an embodiment of the present application, and referring to fig. 1, the steel chimney includes an outer cylinder 10, a smoke inlet 20, an inner cylinder 30, a connecting plate 40, and a smoke analyzer 50.
The outer cylinder 10 in the embodiment of the present application is vertically disposed, the smoke inlet 20 is disposed on the outer cylinder 10, the inner cylinder 30 is vertically disposed inside the outer cylinder 10 and disposed above the smoke inlet 20, the outer circumferential surface of the bottom of the inner cylinder 30 is hermetically connected with the inner circumferential surface of the outer cylinder 10 through the connecting plate 40, and the smoke analyzer 50 is disposed inside the inner cylinder 30.
Specifically, with reference to fig. 1, since the smoke inlet 20 is disposed on the outer cylinder 10, the inner cylinder 30 is vertically disposed inside the outer cylinder 10 and disposed above the smoke inlet 20, the outer circumferential surface of the bottom of the inner cylinder 30 is hermetically connected to the inner circumferential surface of the outer cylinder 10 through the connecting plate 40, thereby ensuring that the smoke entering the outer cylinder 10 from the smoke inlet 20 can be discharged from the top of the inner cylinder 30 through the inside of the inner cylinder 30 from the bottom of the inner cylinder 30, since the inner diameter of the inner cylinder 30 is smaller than the inner diameter of the outer cylinder 10, when the smoke passes through the inner cylinder 30, the flow rate of the smoke can be accelerated, and by disposing the smoke analyzer 50 inside the inner cylinder 30, the flow rate of the smoke can satisfy the flow rate monitoring range of the smoke analyzer 50, thereby ensuring the monitoring accuracy of the smoke analyzer 50.
In the embodiment of the present application, the diameter of the inner cylinder 30 is 30% to 35% of the diameter of the outer cylinder 10, and the diameter of the inner cylinder 30 is set according to the value, so as to ensure that the speed of the flue gas passing through the inner cylinder 30 can reach the flow rate monitoring range of the flue gas analyzer 50.
Further, referring to fig. 1, the connection plate 40 is a conical table, the diameter of the top of the connection plate 40 is smaller than the diameter of the bottom of the connection plate 40, the top of the connection plate 40 is connected with the bottom of the inner cylinder 30, and the bottom of the connection plate 40 is connected with the inner circumferential surface of the outer cylinder 10, so that the flue gas is guided by the connection plate 40 with the conical table structure, the flue gas is guided into the inner cylinder 30 from the outer cylinder 10, and the flow of the flue gas in the outer cylinder 10 and the inner cylinder 30 is ensured.
In the embodiment of the present application, the length of the inner cylinder 30 is 6d to 8d, where d is the diameter of the inner cylinder 30, so as to ensure that the inner cylinder 30 has a sufficient length to stabilize the flow velocity of the flue gas in the inner cylinder 30, thereby ensuring the monitoring effect of the flue gas analyzer 50. In addition, the steel chimney lacking the inner cylinder 30 in the prior art needs to directly arrange the flue gas analyzer 50 in the outer cylinder 10, and according to the arrangement requirement, the position height of the flue gas analyzer 50 in the prior art is much higher than that of the flue gas analyzer 50 in the present application, which may cost more installation cost.
In the embodiment of the present application, the distance between the flue gas analyzer 50 and the bottom of the inner cylinder 30 is 60% to 70% of the length of the inner cylinder 30, and this setting mode is the installation requirement of the flue gas analyzer 50, so as to ensure the monitoring effect of the flue gas analyzer 50. For example, the length of the inner cylinder 30 is set to be 6d, and the flue gas analyzer 50 is installed at a position 4d away from the bottom of the inner cylinder 30, at this time, the flow rate of the flue gas at the position monitored by the flue gas analyzer 50 is stable and meets the monitoring precision range.
Further, with reference to fig. 1, the flue gas analyzer 50 is provided with more than four measuring heads, so as to ensure the monitoring effect of the flue gas analyzer 50 through a plurality of measuring heads, improve the monitoring precision, and reduce errors.
With reference to fig. 1, the measuring end of the measuring head is disposed inside the inner cylinder 30, and the signal output end of the measuring head is disposed outside the outer cylinder 10, so that the monitoring effect of the flue gas analyzer 50 is ensured, and the flue gas analyzer 50 is conveniently maintained.
In the embodiment of the application, more than four measuring heads are arranged around the central shaft of the inner barrel 30 at equal angular intervals, so that the monitoring effect of the flue gas analyzer 50 can be further improved, and the errors can be effectively reduced by comprehensively analyzing and monitoring the data of the measuring heads in uniform distribution.
Further, referring to fig. 1, the steel chimney further includes a guide bracket 60, the guide bracket 60 includes a connecting member and a ring member, the inner circumferential surface of the outer cylinder 10 is connected to the outer circumferential surface of the ring member through the connecting member, the ring member is sleeved on the top of the inner cylinder 30, a gap is formed between the outer circumferential surface of the inner cylinder 30 and the inner circumferential surface of the ring member, because the inner cylinder 30 and related structures are generally made of austenitic stainless steel materials resistant to dew point corrosion of flue gas, the inner cylinder 30 is expanded due to high-temperature flue gas, and the gap between the outer circumferential surface of the inner cylinder 30 and the inner circumferential surface of the ring member can offset the expansion change of the inner cylinder 30 and related structures, thereby ensuring the stability of the whole mechanism.
In the embodiment of the present application, the connection between the inner circumferential surface of the outer cylinder 10 and the outer circumferential surface of the ring member and the connecting member may be performed by welding, bolting, or the like, which is not limited in the embodiment of the present application.
In the embodiment of the application, the top of the inner cylinder 30 and the top of the outer cylinder 10 have a height difference, smoke is collected together through the inner cylinder 30 and then discharged through the outer cylinder 10, the inner cylinder 30 is arranged to only improve the flow rate of the smoke, and the monitoring effect of the smoke analyzer 50 is improved, so that the inner cylinder 30 can meet the using effect only by being arranged at one section, the purpose of reducing the arrangement of the inner cylinder 30 is achieved, and the cost can be reduced.
Further, referring to fig. 1, the steel chimney further includes a platform 70, and the platform 70 is disposed on the outer circumferential surface of the outer cylinder 10 and correspondingly disposed below the flue gas analyzer 50, so as to facilitate maintenance of the flue gas analyzer 50 on the platform 70 by a worker.
With reference to fig. 1, the steel chimney further includes a stair 80, the stair 80 is disposed on one side of the steel chimney and is disposed corresponding to the platform 70, so that the worker can conveniently reach the platform 70 through the stair 80, and the height of the flue gas analyzer 50 is lower than that of the flue gas analyzer 50 in the prior art, so that the height of the stair 80 is correspondingly reduced, and the construction cost is saved.
In conclusion, the steel chimney that this application provided can improve the velocity of flow of the flue gas that flue gas analyzer monitored to guarantee that the flue gas velocity of flow is in flue gas analyzer's monitoring precision within range, effectively promoted the monitoring effect of the flue gas of steel chimney.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise" indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the figures, but are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus, are not to be considered limiting of the present application.
It should be noted that all the directional indications in the embodiments of the present application are only used for explaining the relative position relationship, the motion condition, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed correspondingly.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A steel chimney, comprising:
an outer cylinder (10) vertically arranged;
a smoke inlet (20) arranged on the outer cylinder (10);
the inner barrel (30) is vertically arranged inside the outer barrel (10) and is arranged above the smoke inlet (20);
the outer circumferential surface of the bottom of the inner cylinder (30) is hermetically connected with the inner circumferential surface of the outer cylinder (10) through the connecting plate (40);
and the smoke analyzer (50) is arranged inside the inner barrel (30).
2. The steel chimney according to claim 1, characterized in that the inner diameter of the inner cylinder (30) is 30% to 35% of the inner diameter of the outer cylinder (10).
3. The steel chimney according to claim 1, characterized in that the connection plate (40) is a conical table, the top diameter of the connection plate (40) is smaller than the bottom diameter of the connection plate (40), the top of the connection plate (40) is connected with the bottom of the inner cylinder (30), and the bottom of the connection plate (40) is connected with the inner circumferential surface of the outer cylinder (10).
4. The steel chimney according to claim 1, characterized in that the length of the inner cylinder (30) is 6d to 8d, where d is the diameter of the inner cylinder (30).
5. The steel chimney according to claim 4, characterized in that the distance of the flue gas analyzer (50) from the bottom of the inner drum (30) is 60% to 70% of the length of the inner drum (30).
6. The steel chimney according to claim 1, characterised in that the flue gas analyser (50) is provided with more than four measuring heads.
7. The steel chimney according to claim 6, characterized in that the measuring end of the measuring head is arranged inside the inner cylinder (30) and the signal output end of the measuring head is arranged outside the outer cylinder (10).
8. The steel chimney according to claim 6, characterized in that more than four of the measuring heads are arranged at equal angular intervals around the central axis of the inner cylinder (30).
9. The steel chimney according to claim 1, characterized in that the steel chimney further comprises a guide bracket (60), the guide bracket (60) comprises a connecting piece and a ring piece, the inner circumferential surface of the outer cylinder (10) and the outer circumferential surface of the ring piece are connected through the connecting piece, the ring piece is sleeved on the top of the inner cylinder (30), and the outer circumferential surface of the inner cylinder (30) and the inner circumferential surface of the ring piece have a gap.
10. The steel chimney according to any of claims 1 to 9, characterised in that the top of the inner cylinder (30) and the top of the outer cylinder (10) have a height difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503441.3U CN217007214U (en) | 2022-03-07 | 2022-03-07 | Steel chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503441.3U CN217007214U (en) | 2022-03-07 | 2022-03-07 | Steel chimney |
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| Publication Number | Publication Date |
|---|---|
| CN217007214U true CN217007214U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220503441.3U Active CN217007214U (en) | 2022-03-07 | 2022-03-07 | Steel chimney |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297066A (en) * | 2023-03-22 | 2023-06-23 | 滨州市特种设备检验研究院 | Boiler flue gas detection device with flue gas filtering capability |
-
2022
- 2022-03-07 CN CN202220503441.3U patent/CN217007214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297066A (en) * | 2023-03-22 | 2023-06-23 | 滨州市特种设备检验研究院 | Boiler flue gas detection device with flue gas filtering capability |
| CN116297066B (en) * | 2023-03-22 | 2024-04-05 | 新疆新伊碳能环保科技股份有限公司 | Boiler flue gas detection device with flue gas filtering capability |
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