CN116571136A - Reflux wall mixing drum - Google Patents

Reflux wall mixing drum Download PDF

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Publication number
CN116571136A
CN116571136A CN202310648754.7A CN202310648754A CN116571136A CN 116571136 A CN116571136 A CN 116571136A CN 202310648754 A CN202310648754 A CN 202310648754A CN 116571136 A CN116571136 A CN 116571136A
Authority
CN
China
Prior art keywords
wall
straight line
segment
curve segment
cover plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310648754.7A
Other languages
Chinese (zh)
Inventor
马晓平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yongda Chemical Machinery Co ltd
Original Assignee
Jiangsu Yongda Chemical Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Yongda Chemical Machinery Co ltd filed Critical Jiangsu Yongda Chemical Machinery Co ltd
Priority to CN202310648754.7A priority Critical patent/CN116571136A/en
Publication of CN116571136A publication Critical patent/CN116571136A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/002—Removal of contaminants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention relates to a reflux wall mixing drum, which comprises a cylindrical shell and stirring paddles; the stirring paddle is arranged in the cylindrical shell, and an annular column gap is formed between the outer contour of the stirring path of the stirring paddle and the inner wall of the cylindrical shell; the top end and the bottom end of the cylinder shell are respectively arranged on the upper cover plate and the lower cover plate; the method is characterized in that: comprising a return channel; the particles of the gas-water mixed liquid are acted by centrifugal force in a rotating state, the mixed liquid preferentially flows into a backflow channel, the backflow channel guides the mixed liquid to change the direction, when the mixed liquid is flushed out of an outlet of the backflow channel, the mixed liquid flowing through the backflow channel is driven to enter the blade area again together, and the mixed liquid is collided, cut and extruded again, so that a weak area for gas-liquid mixing is eliminated; so the effect of strengthening the gas-liquid mixing by the reflux wall mixing cylinder is obvious.

Description

Reflux wall mixing drum
Technical Field
The invention relates to the technical field of stirring type gas purifying devices, in particular to a reflux wall mixing drum.
Background
In the stirring type gas purifying device, the gas-water mixed liquid is stirred by the blades, the blades impact the bubbles, and the turbulence extrudes the bubbles to achieve the purpose of strengthening the mass transfer effect. In order to prevent the blade from colliding with the cylinder wall, a proper gap is required to be reserved between the blade edge and the cylinder wall, so that the bubble breaking effect is greatly reduced in the interval of the blade edge.
Disclosure of Invention
The invention aims to solve the technical problem of providing a reflux wall mixing cylinder which can solve the problem that the clearance between the blade edge and the cylinder wall in a general stirring type gas purifying device influences the foam breaking effect.
In order to solve the technical problems, the technical scheme of the invention is as follows: a reflux wall mixing drum, comprising a cylindrical shell and a stirring paddle; the stirring paddle is arranged in the cylindrical shell, and an annular column gap is formed between the outer contour of the stirring path of the stirring paddle and the inner wall of the cylindrical shell; the top end and the bottom end of the cylinder shell are respectively arranged on the upper cover plate and the lower cover plate; the innovation point is that: comprising a return channel;
the reflux channels are arranged in the annular column gaps in an end-to-end mode; the reflux channels are arranged in an annular array by taking the axis of the stirring paddle as a central line;
the backflow channel comprises a backflow channel outer wall and a backflow channel inner wall; the envelope surface of the inner wall of the backflow channel is cylindrical; two ends of the outer wall of the backflow channel are respectively connected to the upper cover plate and the lower cover plate; two ends of the inner wall of the backflow channel are respectively connected to the upper cover plate and the lower cover plate, and a backflow channel is formed between the outer wall of the backflow channel and the inner wall of the backflow channel;
the outer wall of the reflux channel comprises a first straight line segment, a first curve segment, a second curve segment and a second straight line segment; the first straight line segment, the first curve segment, the second curve segment and the second straight line segment are sequentially connected; the head of the first straight line section is connected with the tail of the second straight line section of the other return channel; the first straight line section forms an included angle alpha with the horizontal direction 2 Length L 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the first curve segment is r 2 Central angle is theta 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the second curve segment is r 1 The central angle of the second curve segment is theta 1 The method comprises the steps of carrying out a first treatment on the surface of the The included angle formed by the second straight line segment and the horizontal direction is alpha 1 Length L 1 ；
The inner wall of the reflux channel comprises a third straight line segment, a third curve segment, a fourth straight line segment and a fifth curve segment; the third straight line segment, the third curve segment, the fourth straight line segment and the fifth curve segment are sequentially mutually connectedThe head of the third straight line segment is connected with the tail of the fifth curve segment; an included angle alpha is formed in the tangential direction of the joint of the third straight line segment and the third curve segment 3 The radius of the third curve segment is r 4 The central angle of the third curve segment is theta 4 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the fourth curve segment is r 3 The central angle of the third curve segment is theta 3 The method comprises the steps of carrying out a first treatment on the surface of the The length of the fourth straight line segment is L 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the fifth curve segment is R 2 。
Further, the thickness of the outer wall of the backflow channel and the thickness of the inner wall of the backflow channel are both delta 1 The method comprises the steps of carrying out a first treatment on the surface of the The thickness of the upper cover plate and the thickness of the lower cover plate are delta 2 。
Further, the overall height of the backflow channel is H.
The invention has the advantages that:
1) In the invention, if the reflux wall mixing drum is not arranged, a proper gap is reserved between the edge of the blade and the inner wall of the shell under the condition of adopting the downward-pressing stirring paddle, the air-water mixed liquid in the area is driven to rotate by the blade, and the edge area can be lifted up inevitably because the air-water mixed liquid in the blade area is pressed down, so that the balance can be kept, and the air-water mixed liquid in the edge area performs upward spiral movement; in this case, the bubbles in this area are not collided, cut and pressed, so this area is a weak area for mixing air and water; the situation is changed after the reflux mixing drum is arranged; the particles of the gas-water mixed liquid are acted by centrifugal force in a rotating state, the mixed liquid preferentially flows into a backflow channel, the backflow channel guides the mixed liquid to change the direction, when the mixed liquid is flushed out of an outlet of the backflow channel, the mixed liquid flowing through the backflow channel is driven to enter the blade area again together, and the mixed liquid is collided, cut and extruded again, so that a weak area for gas-liquid mixing is eliminated; so the effect of strengthening the gas-liquid mixing by the reflux wall mixing cylinder is obvious.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a side cross-sectional view of a reflux wall mixing drum of the present invention.
Fig. 2 is a top view of a reflux wall mixing drum of the present invention.
FIG. 3 is a block diagram of the outer wall of a reflux drum reflux passage of the present invention.
FIG. 4 is a block diagram of the inner wall composition of a reflux drum reflux passage of a reflux wall mixing drum according to the present invention.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A reflux wall mixing drum as shown in fig. 1 to 4, comprising a cylindrical housing 1 and a stirring paddle 2; the stirring paddle 2 is arranged in the cylindrical shell 1, and an annular column gap is formed between the outer contour of the stirring path of the stirring paddle 2 and the inner wall of the cylindrical shell 1; the top and bottom ends of the cylinder housing 1 are respectively provided with an upper cover plate 11 and a lower cover plate 12; including the return channel 3.
The reflux channels 3 are arranged in the annular column gaps in an end-to-end mode; the reflux channels are arranged in an annular array by taking the axis of the stirring paddle 2 as a central line.
The return channel 3 comprises a return channel outer wall 4 and a return channel inner wall 5; the envelope surface of the inner wall 5 of the backflow channel is cylindrical; two ends of the outer wall 4 of the return channel are respectively connected with the upper cover plate 11 and the lower cover plate 12; both ends of the inner wall 5 of the return channel are respectively connected to the upper cover plate 11 and the lower cover plate 12, and a return channel is formed between the outer wall 4 of the return channel and the inner wall 5 of the return channel.
The return channel outer wall 4 comprises a first straight line segment 41, a first curved line segment 42, a second curved line segment 43 and a second straight line segment 44; the first straight line segment 41, the first curve segment 42, the second curve segment 43 and the second straight line segment 44 are connected in sequence; the head of the first straight line segment 41 is connected to the tail of the second straight line segment of the other return channel; the first straight line section 41 forms an angle alpha with the horizontal direction 2 Length L 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the first curve segment 42 is r 2 Central angle is theta 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the second curve segment 43 is r 1 The central angle of the second curve segment 43 is θ 1 The method comprises the steps of carrying out a first treatment on the surface of the The second straight line segment 44 forms an angle alpha with the horizontal direction 1 Length L 1 。
The return passage inner wall 5 includes a third straight line segment 51, a third curved line segment 52, a fourth curved line segment 53, a fourth straight line segment 54, and a fifth curved line segment 55; the third straight line segment 51, the third curve segment 52, the fourth curve segment 53, the fourth straight line segment 54 and the fifth curve segment 55 are sequentially connected, and the head of the third straight line segment 51 is connected with the tail of the fifth curve segment 55; the tangential direction of the joint of the third straight line segment 51 and the third curve segment 52 forms an included angle alpha 3 The radius of the third curve segment 52 is r 4 The third curve segment 52 has a central angle θ 4 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the fourth curve segment 53 is r 3 The third curve segment 52 has a central angle θ 3 The method comprises the steps of carrying out a first treatment on the surface of the The fourth straight line segment 54 has a length L 2 The method comprises the steps of carrying out a first treatment on the surface of the The fifth curve segment 55 has a radius R 2 。
The thickness of the outer wall 4 of the return channel and the thickness of the inner wall 5 of the return channel are delta 1 The method comprises the steps of carrying out a first treatment on the surface of the The thickness of the upper cover plate 11 and the thickness of the lower cover plate 12 are delta 2 The method comprises the steps of carrying out a first treatment on the surface of the The overall height of the return channel 3 is H.
The geometry of the inner and outer return channels is designed according to the circumstances, the parameters delta 1 、 δ 2 、 α 1 、α 2 、α 3 、θ 1 、θ 2 、θ 3 、θ 4 H is calculated and tested according to the treatment capacity and the impurity content of the treated raw gas to finally determine the parametersA number. The number of return channels may be increased or decreased depending on the particular situation.
The working principle of the invention is as follows: the particles of the gas-water mixed liquid are acted by centrifugal force in a rotating state, the mixed liquid preferentially flows into a backflow channel, the backflow channel guides the mixed liquid to change the direction, when the mixed liquid is flushed out of an outlet of the backflow channel, the mixed liquid flowing through the backflow channel is driven to enter the blade area again together, and the mixed liquid is collided, cut and extruded again, so that a weak area for gas-liquid mixing is eliminated; so the effect of strengthening the gas-liquid mixing by the reflux wall mixing cylinder is obvious.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A reflux wall mixing drum, comprising a cylindrical shell and a stirring paddle; the stirring paddle is arranged in the cylindrical shell, and an annular column gap is formed between the outer contour of the stirring path of the stirring paddle and the inner wall of the cylindrical shell; the top end and the bottom end of the cylinder shell are respectively arranged on the upper cover plate and the lower cover plate; the method is characterized in that: comprising a return channel;
the reflux channels are arranged in the annular column gaps in an end-to-end mode; the reflux channels are arranged in an annular array by taking the axis of the stirring paddle as a central line;
the backflow channel comprises a backflow channel outer wall and a backflow channel inner wall; the envelope surface of the inner wall of the backflow channel is cylindrical; two ends of the outer wall of the backflow channel are respectively connected to the upper cover plate and the lower cover plate; two ends of the inner wall of the backflow channel are respectively connected to the upper cover plate and the lower cover plate, and a backflow channel is formed between the outer wall of the backflow channel and the inner wall of the backflow channel;
the outer wall of the return channel comprises a first straight line segment, a first curve segment and a second curve segmentAnd a second straight line segment; the first straight line segment, the first curve segment, the second curve segment and the second straight line segment are sequentially connected; the head of the first straight line section is connected with the tail of the second straight line section of the other return channel; the first straight line section forms an included angle alpha with the horizontal direction 2 Length L 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the first curve segment is r 2 Central angle is theta 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the second curve segment is r 1 The central angle of the second curve segment is theta 1 The method comprises the steps of carrying out a first treatment on the surface of the The included angle formed by the second straight line segment and the horizontal direction is alpha 1 Length L 1 ；
The inner wall of the reflux channel comprises a third straight line segment, a third curve segment, a fourth straight line segment and a fifth curve segment; the third straight line segment, the third curve segment, the fourth straight line segment and the fifth curve segment are sequentially connected, and the head of the third straight line segment is connected with the tail of the fifth curve segment; an included angle alpha is formed in the tangential direction of the joint of the third straight line segment and the third curve segment 3 The radius of the third curve segment is r 4 The central angle of the third curve segment is theta 4 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the fourth curve segment is r 3 The central angle of the third curve segment is theta 3 The method comprises the steps of carrying out a first treatment on the surface of the The length of the fourth straight line segment is L 2 The method comprises the steps of carrying out a first treatment on the surface of the The radius of the fifth curve segment is R 2 。
2. A reflux wall mixing drum as set forth in claim 1, wherein: the thickness of the outer wall of the backflow channel and the thickness of the inner wall of the backflow channel are delta 1 The method comprises the steps of carrying out a first treatment on the surface of the The thickness of the upper cover plate and the thickness of the lower cover plate are delta 2 。
3. A reflux wall mixing drum as set forth in claim 1, wherein: the overall height of the return channel is H.
CN202310648754.7A 2023-06-02 2023-06-02 Reflux wall mixing drum Pending CN116571136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310648754.7A CN116571136A (en) 2023-06-02 2023-06-02 Reflux wall mixing drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310648754.7A CN116571136A (en) 2023-06-02 2023-06-02 Reflux wall mixing drum

Publications (1)

Publication Number Publication Date
CN116571136A true CN116571136A (en) 2023-08-11

Family

ID=87539621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310648754.7A Pending CN116571136A (en) 2023-06-02 2023-06-02 Reflux wall mixing drum

Country Status (1)

Country Link
CN (1) CN116571136A (en)

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