CN114534539A - Full-stirring mixing pulp tower for papermaking - Google Patents
Full-stirring mixing pulp tower for papermaking Download PDFInfo
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- CN114534539A CN114534539A CN202210132932.6A CN202210132932A CN114534539A CN 114534539 A CN114534539 A CN 114534539A CN 202210132932 A CN202210132932 A CN 202210132932A CN 114534539 A CN114534539 A CN 114534539A
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- tower
- circulating pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The invention provides a full-stirring mixing paddle tower for papermaking, which comprises: a slurry tower body; the circulating pipeline is arranged in the slurry tower body, the top end of the circulating pipeline is opened, the top of the circulating pipeline is fixedly connected with the inner cylinder wall of the slurry tower body through a support rod, the bottom of the circulating pipeline is fixedly connected with the inner bottom surface of the slurry tower body through a support rod, and a flange is welded at the bottom end of the circulating pipeline; and the circulating power mechanism is arranged at the bottom of the circulating pipeline through a flange. Through the technical scheme of the invention, full tower circulation of pulp is realized, the floating pulp at the upper part is knocked down in the full tower circulation, and the problem of paper output quality caused by the blackening of the standing floating pulp at the top part is also reduced while the paper pulp is prevented from being precipitated.
Description
Technical Field
The invention relates to the technical field of papermaking equipment, in particular to a full-stirring mixing paddle tower for papermaking.
Background
In order to prevent the pulp from settling, it is generally used in the related art to provide a slope at the bottom of the pulp tower, then install a stirring propeller 104 at one side of the bottom of the pulp tower body 102 to make the pulp go up along the slope, and finally complete the partial circulation at the bottom of the pulp tower, as shown in fig. 1.
However, in the actual use process, the slurry is settled to the bottom of the slurry tower after being left standing in the slurry tower, and the bottom concentration is high and the upper concentration is low. The stirring propeller adopted in the prior art can only realize bottom stirring, so that part of pulp can float on the stirring propeller after standing, and the floating pulp on the stirring propeller can turn black after a long time, thereby influencing the paper outlet quality.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, an object of the present invention is to provide a full-agitation mixing paddle tower for papermaking, which realizes full-tower circulation of the paddle, and in the full-tower circulation, the upper floating paddle is knocked down, so as to reduce the problem of paper output quality caused by blackening of the floating paddle.
In order to achieve the above object, the technical scheme of the present invention provides a full-stirring mixing paddle tower for papermaking, comprising: a slurry tower body; the circulating pipeline is arranged in the slurry tower body, the top end of the circulating pipeline is opened, the top of the circulating pipeline is fixedly connected with the inner cylinder wall of the slurry tower body through a support rod, the bottom of the circulating pipeline is fixedly connected with the inner bottom surface of the slurry tower body through a support rod, and a flange is welded at the bottom end of the circulating pipeline; and the circulating power mechanism is arranged at the bottom of the circulating pipeline through a flange.
Preferably, the circulation line includes: the conveyer pipe and the thick liquid outlet structure that the cooperation was connected and is set up, thick liquid outlet structure is including accelerating tubule and bell, accelerating the tubule with the conveyer pipe is connected through the reducing pipe, the bell is connected accelerating the top of tubule, the bell is wide narrow down on the bell.
Preferably, the pipe diameter of the conveying pipe is 1/8-1/7 of the tower diameter of the slurry tower body, and the pipe diameter of the accelerating tubule is 3/5 of the pipe diameter of the conveying pipe.
Preferably, the bell mouth widens gradually from bottom to top, the height of bell mouth is 50cm, the narrower department of bell mouth with the pipe diameter of accelerating tubule is the same, the wider department of bell mouth is 1.5-1.6 times of accelerating tubule pipe diameter.
Preferably, the circulating power mechanism is a submersible stirrer or a submersible axial-flow pump.
Preferably, the submersible mixer is equipped with a variable frequency motor; the submersible axial-flow pump is provided with a variable frequency motor.
Preferably, 3 support rods are welded at the top of the conveying pipe, the 3 support rods are distributed along the periphery of the conveying pipe in an annular array manner, and the other ends of the 3 support rods are connected with the inner cylinder wall of the tower body of the slurry tower; 4 bracing pieces of bottom welding of conveyer pipe, 4 bracing pieces along be annular array distribution around the conveyer pipe, and the other end of 4 bracing pieces is connected with the interior bottom surface of thick liquid tower body.
The fully-stirring mixing paddle tower for papermaking provided by the invention has the following beneficial technical effects:
(1) the fully-stirring mixing tower for papermaking provided by the invention realizes full-tower stirring of pulp, breaks through the limitation that the pulp can only be locally stirred at the bottom of the pulp tower, and relatively enlarges the capacity of the pulp tower without arranging a slope at the bottom of the pulp tower.
(2) The fully-stirred mixed pulp tower for papermaking provided by the invention realizes full-tower stirring of pulp through the built-in circulating pipeline submersible stirrer or the submersible axial-flow pump and the like, so that full-tower circulation of pulp is realized, paper pulp can be prevented from precipitating, and the problem of paper discharge quality caused by blackening of floating pulp is reduced by beating the floating pulp at the upper part in the full-tower circulation.
(3) The unique design of the pulp outlet structure in the fully-stirring mixing pulp tower for papermaking provided by the invention enables the pulp ejection flow speed to be accelerated and fall down in an umbrella shape, so that the floating pulp on the upper part is knocked down, and the problem of paper output quality caused by blackening of the floating pulp is further reduced.
(4) The submersible stirrer or the submersible axial-flow pump in the fully-stirred mixed pulp tower for papermaking is provided with the variable-frequency motor, the distance of pulp falling is controlled by the continuous frequency conversion of the motor, and the floating pulp at the top is beaten to the bottom of the pulp tower.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic view of a prior art pulp tower;
figure 2 shows a schematic diagram of a fully agitated mixing paddle tower for papermaking according to one embodiment of the invention,
wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to 2 is:
102 of a pulp tower body, 104 of a stirring propeller, 106 of a circulating pipeline, 1062 of a conveying pipe, 1064 of a pulp outlet structure, 1064-1 of an accelerating tubule, 1064-2 of a conical opening, 1066 of a reducer pipe, 108 of a supporting rod and 110 of a circulating power mechanism.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A fully agitated mixer blade tower for papermaking according to an embodiment of the present invention will be specifically described with reference to fig. 2.
As shown in fig. 2, a fully agitated mixer blade tower for papermaking according to an embodiment of the present invention includes: a slurry tower body 102, a circulating pipeline 106, a supporting rod 108, a circulating power mechanism 110 and the like. The circulation line 106 is arranged in the tower body 102, typically on the centre axis of the tower body 102. The top end of the circulating pipeline 106 is open, the top of the circulating pipeline is fixedly connected with the inner cylinder wall of the slurry tower body 102 through a support rod 108, the bottom of the circulating pipeline is fixedly connected with the inner bottom surface of the slurry tower body 102 through a support rod 108, and a flange is welded at the bottom of the circulating pipeline 106. The circulation power mechanism 110 is flange-mounted to the bottom of the circulation line 106. Therefore, the paper pulp can be pushed by the circulating power mechanism 110 to flow from the bottom to the top along the circulating pipeline 106, is sprayed out from the top opening and then falls down, so that the full-tower circulation is realized, the paper pulp is prevented from settling, the floating pulp at the top can be beaten to the bottom of the pulp tower, and the problem that the paper discharge quality is influenced by the blackening of the floating pulp is solved.
Further, as shown in fig. 2, the circulation line 106 includes a delivery pipe 1062 and a slurry outlet structure 1064, which are disposed in a matching connection manner, the slurry outlet structure 1064 includes an acceleration tubule 1064-1 and a tapered opening 1064-2, the acceleration tubule 1064-1 is connected with the delivery pipe 1062 through a reducer 1066, the tapered opening 1064-2 is connected to the top end of the acceleration tubule 1064-1, and the tapered opening 1064-2 is wide at the top and narrow at the bottom. The design enables the ejection flow rate of the paper pulp to be accelerated after the paper pulp passes through the accelerating tubule 1064-1, and the paper pulp falls down in an umbrella shape after passing through the conical opening 1064-2, so that the top floating pulp is beaten to the bottom of the pulp tower, the whole tower circulation is realized, the top floating pulp cannot turn black due to the lengthening of the standing time, and the paper discharge quality is further ensured.
3 support rods 108 are welded at the top of the delivery pipe 1062, the 3 support rods 108 are distributed along the periphery of the delivery pipe 1062 in an annular array manner, and the other ends of the 3 support rods 108 are connected with the inner cylinder wall of the pulp tower body 102; 4 support rods 108 are welded at the bottom of the delivery pipe 1062, the 4 support rods 108 are distributed along the periphery of the delivery pipe 1062 in an annular array, and the other ends of the 4 support rods 108 are connected with the inner bottom surface of the pulp tower body 102. Thereby, the installation firmness, stability and balance of the circulation pipeline 106 in the slurry tower body 102 are ensured.
Further, as shown in fig. 2, the pipe diameter of the delivery pipe 1062 is 1/8-1/7 of the tower diameter of the pulp tower body 102, and the pipe diameter of the acceleration tubule 1064-1 is about 3/5 of the pipe diameter of the delivery pipe 1062. Thereby, further having ensured the effect and the efficiency of the whole tower stirring circulation of paper pulp.
Further, as shown in fig. 2, the tapered opening 1064-2 gradually widens from bottom to top, the height of the tapered opening 1064-2 is 50cm, the narrower part of the tapered opening 1064-2 is the same as the pipe diameter of the accelerating tubule 1064-1, and the wider part of the tapered opening 1064-2 is 1.5-1.6 times the pipe diameter of the accelerating tubule 1064-1. Therefore, when the paper pulp falls down in an umbrella shape, the floating pulp on the top of the pulp tower body 102 is covered as much as possible, dead angles are reduced, and the phenomenon that the floating pulp on the top is blackened is avoided.
Further, the circulating power mechanism 110 is a submersible stirrer equipped with a variable frequency motor; or the circulating power mechanism 110 is a submersible axial-flow pump equipped with a variable frequency motor. And then, the continuous frequency conversion of the motor is used for controlling the distance of the slurry falling, so that the condition that all the floating slurry at the top is beaten to the bottom of the slurry tower is further ensured, and the full-tower stirring of the slurry is realized.
The working process of the full-stirring mixing pulp tower for papermaking provided by the invention is as follows:
when the pulp is ground and is temporarily stored in the pulp tower body 102, the circulating power mechanism 110 is started, the submersible stirrer or the submersible axial-flow pump pushes the pulp at the bottom of the tower body to flow from the bottom to the top along the circulating pipeline 106 and to be sprayed out from the top opening, and the distance of pulp falling is controlled by the continuous frequency conversion of the motor; the pulp flows upwards along the conveying pipe 1062, and the ejection flow speed is accelerated after passing through the accelerating tubule 1064-1; then the floating pulp falls down in an umbrella shape through a conical opening 1064-2, and the floating pulp at the top is beaten to the bottom of the pulp tower, so that the whole tower circulation is carried out.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a papermaking is with stirring thick liquid tower entirely which characterized in that includes:
a slurry tower body;
the circulating pipeline is arranged in the slurry tower body, the top end of the circulating pipeline is opened, the top of the circulating pipeline is fixedly connected with the inner cylinder wall of the slurry tower body through a support rod, the bottom of the circulating pipeline is fixedly connected with the inner bottom surface of the slurry tower body through a support rod, and a flange is welded at the bottom end of the circulating pipeline;
and the circulating power mechanism is arranged at the bottom of the circulating pipeline through a flange.
2. The fully agitated mixing paddle tower for papermaking according to claim 1, wherein the circulation line includes:
the conveyer pipe and the thick liquid outlet structure that the cooperation was connected and is set up, thick liquid outlet structure is including accelerating tubule and bell, accelerating the tubule with the conveyer pipe is connected through the reducing pipe, the bell is connected accelerating the top of tubule, the bell is wide narrow down on the bell.
3. The fully agitated mixing paddle tower for papermaking according to claim 2,
the pipe diameter of conveyer pipe is 1/8 ~ 1/7 of thick liquid tower body tower footpath, the pipe diameter of accelerating tubule is 3/5 of conveyer pipe diameter.
4. The fully agitated mixing paddle tower for papermaking according to claim 3,
the cone mouth widens gradually from bottom to top, the height of cone mouth is 50cm, the narrower department of cone mouth with accelerating tubule's pipe diameter is the same, the wider department of cone mouth is about 1.5-1.6 times accelerating tubule pipe diameter.
5. The fully agitated mixing paddle tower for papermaking according to any one of claims 1 to 4, wherein the circulating power mechanism is a submersible agitator or a submersible axial flow pump.
6. The fully agitated mixing paddle tower for papermaking according to claim 5,
the submersible stirrer is provided with a variable frequency motor; the submersible axial-flow pump is provided with a variable frequency motor.
7. The fully agitated mixing paddle tower for papermaking according to claim 2,
3 support rods are welded at the top of the conveying pipe, the 3 support rods are distributed along the periphery of the conveying pipe in an annular array manner, and the other ends of the 3 support rods are connected with the inner cylinder wall of the tower body of the slurry tower;
4 bracing pieces of bottom welding of conveyer pipe, 4 bracing pieces along be annular array distribution around the conveyer pipe, and the other end of 4 bracing pieces is connected with the interior bottom surface of thick liquid tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132932.6A CN114534539A (en) | 2022-02-14 | 2022-02-14 | Full-stirring mixing pulp tower for papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132932.6A CN114534539A (en) | 2022-02-14 | 2022-02-14 | Full-stirring mixing pulp tower for papermaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114534539A true CN114534539A (en) | 2022-05-27 |
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ID=81672929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132932.6A Pending CN114534539A (en) | 2022-02-14 | 2022-02-14 | Full-stirring mixing pulp tower for papermaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114534539A (en) |
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2022
- 2022-02-14 CN CN202210132932.6A patent/CN114534539A/en active Pending
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