CN215842410U - Tubular multistage centrifugal dehydrator - Google Patents
Tubular multistage centrifugal dehydrator Download PDFInfo
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- CN215842410U CN215842410U CN202121614838.1U CN202121614838U CN215842410U CN 215842410 U CN215842410 U CN 215842410U CN 202121614838 U CN202121614838 U CN 202121614838U CN 215842410 U CN215842410 U CN 215842410U
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Abstract
The utility model discloses a tubular multistage centrifugal dehydrator, which comprises a dehydrating tank body 1, wherein the dehydrating tank body is provided with a flue gas inlet 2 and a flue gas outlet 3, and the bottom of the dehydrating tank body is provided with a water outlet 4; an S-shaped dehydration pipeline is connected between the flue gas inlet and the flue gas outlet in the dehydration box body, and the S-shaped dehydration pipeline is formed by adjacently butting a plurality of 180-degree bent pipes 5; the outer centrifugal turning section of each 180-degree bent pipe is provided with a plurality of parallel transverse arc-shaped openings 501, the outer edge of each transverse arc-shaped opening is correspondingly provided with transverse arc-shaped fins 502 used for blocking water in the water-containing flue gas, all the transverse arc-shaped fins face the flow direction of the water-containing flue gas, and the included angle between each transverse arc-shaped fin and the tangent line of the outer edge of the corresponding transverse arc-shaped opening is 25-35 degrees. The utility model relates to dehydration equipment designed for solving the problem that flue gas carries water after environmental protection facilities pass through a liquid desulfurization and denitrification agent, and the dehydration equipment can be applied to the condition that water in the gas needs to be removed.
Description
Technical Field
The utility model relates to the technical field of dehydrators, in particular to a tubular multistage centrifugal dehydrator.
Background
The prior common dehydrators have three types, namely a baffle type dehydrator, a gravity type dehydrator and a cyclone type dehydrator. The common dehydrator is generally used for the water discharge of a blast furnace gas purification system and a production device in the petroleum and petrochemical industries; the dehydrator generally comprises a tank body, an air inlet pipe and an air outlet pipe.
The smoke emission of the industrial kiln meets the requirements of national (or industrial) environmental protection standards, the smoke emitted by the industrial kiln through a chimney needs to be treated by environmental protection equipment and facilities and then is emitted, and in the smoke dehydration process of the current environmental protection industry, the smoke subjected to liquid desulfurization and denitration has more water (or liquid), so that the load of an induced draft fan is increased, and the corrosion of subsequent equipment and pipelines is also increased.
Therefore, the flue gas discharged after adopting the liquid desulfurization and denitration agent in the environment-friendly equipment and facilities is accompanied with the problem of water carrying, and the common dehydrator can not well solve the problem of water carrying of the flue gas at present.
Disclosure of Invention
In daily industrial and agricultural production, the water content in the flowing gas is often removed, so that the humidity of the gas is reduced, the dryness is improved, and the specific gravity of the water is 1t/m3The specific gravity of air is 1.29kg/m3It is known that the specific gravity of air is much lower than that of water, and the water in air is water with certain mass, and it follows Newton's first law, Newton's second law and Newton's third law in the process of flowing with gas, when the gas makes rotary motion, the water in it can produce centrifugal force phenomenon, according to the centrifugal force formula F = Mv2And/r, when r is constant, F is proportional to the square of V, that is, as long as the airflow has a slight speed-increasing phenomenon, the moisture therein generates a large centrifugal force, according to Newton's third law,the counterforce of the centrifugal force is equal to the centrifugal force in magnitude and opposite in direction, and the tubular multistage centrifugal dehydrator is manufactured by utilizing the principle.
The utility model is manufactured into a tubular multistage centrifugal dehydrator according to the theory of hydrodynamics, can remove water in flue gas and solves the problem of water carrying of the flue gas.
The utility model is realized by adopting the following technical scheme:
a tubular multistage centrifugal dehydrator comprises a dehydrating tank body, wherein a flue gas inlet and a flue gas outlet are formed in the dehydrating tank body, and a water outlet is formed in the bottom of the dehydrating tank body; an S-shaped dehydration pipeline is connected between the flue gas inlet and the flue gas outlet in the dehydration box body, and the S-shaped dehydration pipeline is formed by adjacently butting a plurality of 180-degree bent pipes; the centrifugal turning section of the outer side of each 180-degree bent pipe is provided with a plurality of parallel transverse arc-shaped openings, the outer edge of each transverse arc-shaped opening is correspondingly provided with transverse arc-shaped fins for blocking water in the water-containing flue gas, all the transverse arc-shaped fins face the flow direction of the water-containing flue gas, and the included angle between each transverse arc-shaped fin and the tangent line of the outer edge of the corresponding transverse arc-shaped opening is 25-35 degrees.
When the device works, when the airflow with water flows through the first 180-degree turn, a certain mass of water in the air is thrown to the side wall with the fins under the action of centrifugal force and flows out of the holes with the fins into the box body, so that the effect of primary dehydration is achieved; when the airflow with water flows through the second 180-degree turn, the secondary dehydration effect is further realized; by analogy, the more 180-degree bent pipes are, the higher the dehydration efficiency is, and finally, the moisture in the gas is completely removed.
Further preferably, the S-shaped dehydration pipe is formed by adjacent butt joint of a plurality of 90-degree bent pipes; the centrifugal turning section at the outer side of each 90-degree bent pipe is provided with a plurality of transverse arc-shaped openings which are arranged in parallel. Similarly, when the airflow with water flows through the first 90-degree turn, a certain mass of water in the air is thrown to the side wall with the fins under the action of centrifugal force and flows out of the holes with the fins into the box body, so that the effect of primary dehydration is achieved; when the airflow with water flows through a 180-degree turn, the secondary dehydration effect is further realized; by analogy, the more 90-degree turns and/or 180-degree bent pipes are/is, the higher the dehydration efficiency is, and finally, the moisture in the gas is completely removed.
The utility model has reasonable design, is the dehydration equipment designed for solving the problem that the flue gas of the environmental protection facility after being subjected to liquid desulfurization and denitrification agent carries water, can be applied to the condition that the gas with water needs to be dehydrated, and has good practical application value.
Drawings
Fig. 1 shows a schematic structural view of embodiment 1 of the present invention.
Fig. 2 shows a schematic layout of the eccentric transverse arc-shaped openings and transverse arc-shaped fins on the eccentric turning section of the elbow.
Fig. 3 is a schematic structural view of embodiment 2 of the present invention.
In the figure: 1-a dehydration box body, 2-a flue gas inlet, 3-a flue gas outlet, 4-a water outlet, 5-180 degrees of bent pipes, 501-a transverse arc opening, 502-a transverse arc fin and 6-90 degrees of bent pipes.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
Example 1
A tubular multistage centrifugal dehydrator is shown in figure 1 and comprises a dehydrating tank body 1, wherein a flue gas inlet 2 and a flue gas outlet 3 are arranged on the dehydrating tank body 1, and a water outlet 4 is arranged at the bottom of the dehydrating tank body 1.
As shown in figure 1, an S-shaped dehydration pipeline is connected between a flue gas inlet 2 and a flue gas outlet 3 in a dehydration tank body 1, and the S-shaped dehydration pipeline is formed by adjacently butting a plurality of 180-degree bent pipes 5 and then welding the bent pipes. The centrifugal turning section at the outer side of each 180-degree elbow pipe 5 is provided with a plurality of parallel transverse arc-shaped openings 501, and the radian of each transverse arc-shaped opening 501 is preferably 180 degrees, namely the section is a semicircle.
As shown in fig. 2, the outer edge of each transverse arc-shaped opening 501 is correspondingly provided with transverse arc-shaped fins 502 for blocking moisture in the hydrous flue gas, all the transverse arc-shaped fins 502 face the flow direction of the hydrous flue gas, and the included angle between each transverse arc-shaped fin 502 and the tangent line at the outer edge of the corresponding transverse arc-shaped opening is 25-35 degrees (preferably, the included angle between each transverse arc-shaped fin and the tangent line at the corresponding transverse arc-shaped opening is 30 degrees); moisture in the flue gas enters the dewatering box body through the transverse arc-shaped opening under the blocking of the transverse arc-shaped fins due to the action of centrifugal force at the turning section.
When the gas-liquid separator is prepared, a pipe with the diameter of more than 200mm is bent into a 180-degree semicircular shape, two or more 180-degree bent pipes are welded together in a butt joint mode to form an S shape, crescent long orifices (transverse arc-shaped openings) are formed in the outer side wall (outer side centrifugal turning section) of each bending radius at intervals of 40mm, transverse arc-shaped fins are welded to the outer edge of each crescent long orifice to shield moisture in gas, the S-shaped bent pipes are arranged between a flue gas inlet and a flue gas outlet in a box body, the box body is used for collecting the moisture, and a water outlet for draining water is formed in the lower portion of the box body.
In specific implementation, the width of the transverse arc-shaped fin is 1/5-1/15 of the diameter of a 180-degree elbow pipe, and the transverse arc-shaped fin is determined according to actual conditions.
In specific implementation, the width of the transverse arc-shaped opening is 1/8-1/10 of the diameter of a 180-degree elbow pipe, and the transverse arc-shaped opening is determined according to actual conditions.
When the airflow with water flows through the first 180-degree turn, a certain mass of water in the air is thrown to the side wall with the fins under the action of centrifugal force and flows out of the holes with the fins into the box body, so that the effect of primary dehydration is achieved; when the airflow with water flows through the second 180-degree turn, the secondary dehydration effect is further realized; by analogy, the more 180-degree bent pipes are, the higher the dehydration efficiency is, and finally, the moisture in the gas is completely removed. The method can be applied to the situation that the gas with water needs to be dehydrated.
Example 2
A tubular multistage centrifugal dehydrator is shown in figure 1 and comprises a dehydrating tank body 1, wherein a flue gas inlet 2 and a flue gas outlet 3 are arranged on the dehydrating tank body 1, and a water outlet 4 is arranged at the bottom of the dehydrating tank body 1. The difference from the embodiment 1 is that the S-shaped dehydration pipeline is formed by adjacently butting a plurality of 90-degree bent pipes 6; the outer centrifugal turning section of each 90-degree elbow 6 is provided with a plurality of parallel transverse arc-shaped openings 501, which are the same as those in embodiment 1. Two 90-degree bent pipes can form a 180-degree bent pipe, the S-shaped dehydration pipeline can be formed by adjacent butt joint of any 90-degree bent pipe 6, and the shape is diversified.
When the water-carrying air flow turns for 90 degrees, the water with certain mass in the air is thrown to the side wall with the fins under the action of centrifugal force and flows out of the holes with the fins into the box body, so that the effect of primary dehydration is achieved; when the airflow with water flows through a 180-degree turn, the secondary dehydration effect is further realized; by analogy, the more 90-degree turns and/or 180-degree bent pipes are/is, the higher the dehydration efficiency is, and finally, the moisture in the gas is completely removed. The method can be applied to the situation that the gas with water needs to be dehydrated.
In specific application, the length of the S-shaped dewatering pipeline in the dewaterer is determined according to actual conditions. The dehydrator is put into experimental use in the flue gas denitration process of a Wangjiayu Junxiangtong gas power plant in Wuxiang county, Shanxi province. Before the dehydrator is not installed, water is brought after denitration of boiler flue gas, and the water content in the flue gas accounts for about 15% of the volume of the flue gas. After the pipeline dehydrator is installed, the percentage of the water content in the flue gas exhausted from the chimney of the power plant to the volume of the gas is almost zero, and the expected effect is achieved.
The dehydrator is a new product developed and designed according to the requirements of the current environmental protection industry on flue gas dehydration, is integrally made of carbon steel or stainless steel, and has the advantages of reasonable design, simple structure, large water discharge, strong corrosion resistance, convenient use, safety, reliability, low cost and the like.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the detailed description is made with reference to the embodiments of the present invention, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which shall be covered by the claims of the present invention.
Claims (7)
1. A tubular multistage centrifugal dehydrator characterized in that: the device comprises a dehydration tank body (1), wherein a flue gas inlet (2) and a flue gas outlet (3) are formed in the dehydration tank body (1), and a water outlet (4) is formed in the bottom of the dehydration tank body (1); an S-shaped dehydration pipeline is connected between the flue gas inlet (2) and the flue gas outlet (3) in the dehydration tank body (1), and the S-shaped dehydration pipeline is formed by adjacent butt joint of a plurality of 180-degree bent pipes (5); the centrifugal turning section of the outer side of each 180-degree bent pipe (5) is provided with a plurality of transverse arc-shaped openings (501) which are arranged in parallel, the outer edge of each transverse arc-shaped opening (501) is correspondingly provided with a transverse arc-shaped fin (502) used for blocking water in the water-containing smoke, all the transverse arc-shaped fins (502) face the flow direction of the water-containing smoke, and the included angle between each transverse arc-shaped fin (502) and the tangent line of the outer edge of the corresponding transverse arc-shaped opening is 25-35 degrees.
2. A tubular, multistage centrifugal dehydrator according to claim 1 wherein: the radian of the transverse arc-shaped opening (501) is 180 degrees.
3. A tubular multistage centrifugal dehydrator according to claim 1 or 2, wherein: the width of the transverse arc-shaped fin (502) is 1/5-1/15 of the diameter of the 180-degree elbow (5).
4. A tubular, multistage centrifugal dehydrator according to claim 3 wherein: the included angle between each transverse arc-shaped fin (502) and the tangent line of the corresponding transverse arc-shaped opening is 30 degrees.
5. A tubular, multistage centrifugal dehydrator according to claim 3 wherein: the width of the transverse arc-shaped opening (501) is 1/8-1/10 of the diameter of the 180-degree elbow (5).
6. A tubular, multistage centrifugal dehydrator according to claim 1 wherein: the S-shaped dehydration pipeline is formed by adjacent butt joint of a plurality of 90-degree bent pipes (6); the centrifugal turning section at the outer side of each 90-degree bent pipe (6) is provided with a plurality of transverse arc-shaped openings (501) which are arranged in parallel.
7. A tubular, multistage centrifugal dehydrator according to claim 1 wherein: the dehydration tank body (1) and the S-shaped dehydration pipeline are both made of carbon steel or stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614838.1U CN215842410U (en) | 2021-07-16 | 2021-07-16 | Tubular multistage centrifugal dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614838.1U CN215842410U (en) | 2021-07-16 | 2021-07-16 | Tubular multistage centrifugal dehydrator |
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| Publication Number | Publication Date |
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| CN215842410U true CN215842410U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121614838.1U Expired - Fee Related CN215842410U (en) | 2021-07-16 | 2021-07-16 | Tubular multistage centrifugal dehydrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117504445A (en) * | 2023-11-14 | 2024-02-06 | 四川领先微晶玻璃有限公司 | Microcrystalline glass sintering furnace system |
-
2021
- 2021-07-16 CN CN202121614838.1U patent/CN215842410U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117504445A (en) * | 2023-11-14 | 2024-02-06 | 四川领先微晶玻璃有限公司 | Microcrystalline glass sintering furnace system |
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