CN114232250A - Rectifying yarn cage for dyeing kettle and dyeing kettle - Google Patents

Rectifying yarn cage for dyeing kettle and dyeing kettle Download PDF

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Publication number
CN114232250A
CN114232250A CN202111611193.0A CN202111611193A CN114232250A CN 114232250 A CN114232250 A CN 114232250A CN 202111611193 A CN202111611193 A CN 202111611193A CN 114232250 A CN114232250 A CN 114232250A
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China
Prior art keywords
yarn
column
dyeing
hollow
rectifying
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Granted
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CN202111611193.0A
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Chinese (zh)
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CN114232250B (en
Inventor
王健
杨为东
万刚
郭堃
王大伟
刘崇波
刘绍冰
林大鹏
戴志敬
杜吉浩
王超
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Qingdao Jifa Group Co Ltd
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Qingdao Jifa Group Co Ltd
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Priority to CN202111611193.0A priority Critical patent/CN114232250B/en
Publication of CN114232250A publication Critical patent/CN114232250A/en
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Publication of CN114232250B publication Critical patent/CN114232250B/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
    • D06B3/09—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments as packages, e.g. cheeses
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/14—Containers, e.g. vats
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
    • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The application discloses dyeing is rectification yarn cage and dyeing cauldron for cauldron relates to fabrics printing and dyeing technical field. The rectifying yarn cage for the dyeing kettle comprises a yarn cage base, a hollow hoisting column and a plurality of yarn columns, wherein the hollow hoisting column and the plurality of yarn columns are arranged on the yarn cage base; the upper part of the hollow hoisting column is provided with an umbrella-shaped sealing cover with a hole in the middle and communicated with the hollow hoisting column, and the umbrella-shaped sealing cover is connected with the hollow hoisting column in a sealing way; the umbrella-shaped sealing cover is positioned above the yarn column and divides the hollow hoisting column into an upper section and a lower section, and the upper section and the lower section of the hollow hoisting column are provided with a plurality of air holes. The problem of flow distribution is uneven in the dyeing kettle is fundamentally solved to the application to realize that the interior upper and lower thing of waiting to dye of dyeing kettle does not have the colour difference.

Description

Rectifying yarn cage for dyeing kettle and dyeing kettle
Technical Field
The application relates to the technical field of textile printing and dyeing, in particular to a rectifying yarn cage for a dyeing kettle and the dyeing kettle.
Background
Supercritical CO2The fluid dyeing technology is a novel pollution-free dyeing process without using water as a medium. During the dyeing process, the dye is dissolved in supercritical CO2In the fluid, the dissolved dye is gradually close to the fiber interface along with the flow of the dye solution, the dye is adsorbed by the fiber surface, a concentration difference or a chemical potential difference between the internal dye and the external dye is generated inside and outside the fiber, and the dye is diffused and transferred to the inside of the fiber. Due to supercritical CO2The fluid dyeing technology does not need chemical auxiliary agents, does not discharge sewage, can be repeatedly used, has high dyeing speed, good level dyeing and penetrating dyeing performance and good dyeing reproducibility, and therefore has important significance for the sustainable development of the printing and dyeing industry.
Supercritical CO2Fluid dyeing equipment during dyeing, CO2The fluid circularly flows in the system under the action of the circulating pump, and the dye in the dye kettle is carried to the object to be dyed in the dyeing kettle, so that the dyeing is finished. When the circulating pump works, the impeller rotates to cause pressure difference between an inlet and an outlet of the circulating pump, so that uneven flow distribution in the dyeing kettle is caused. The suction force at the outlet of the dyeing kettle connected with the inlet of the circulating pump is large, so that the flow of the substance to be dyed which is close to the outlet of the dyeing kettle is large, the substance to be dyed at the position obtains more dye, and the color is relatively dark. Supercritical CO2Fluid dyeing dressThe prepared dyeing kettle generally enters from bottom to top, so that the flow of the object to be dyed flowing through the lower part of the dyeing kettle is small, and the flow of the object to be dyed flowing through the upper part of the dyeing kettle is large, so that the object to be dyed has color difference from top to bottom.
At present supercritical CO2The fluid dyeing equipment generally has the problem of uneven flow distribution, and although the problem of uneven flow distribution is improved by controlling and adjusting the flow and the lift of the circulating pump in the prior art, the effect is slight and the problem is not solved fundamentally.
Disclosure of Invention
The embodiment of the application solves the problem of uneven flow distribution in the dyeing kettle fundamentally by providing the rectifying yarn cage for the dyeing kettle and the dyeing kettle so as to realize no color difference of the upper and lower objects to be dyed in the dyeing kettle.
In order to achieve the above purpose, the present application mainly provides the following technical solutions:
the embodiment of the application provides a rectifying yarn cage for a dyeing kettle, which comprises a yarn cage base, a hollow hoisting column and a plurality of yarn columns, wherein the hollow hoisting column and the plurality of yarn columns are arranged on the yarn cage base;
the upper part of the hollow hoisting column is provided with an umbrella-shaped sealing cover with a hole in the middle and communicated with the hollow hoisting column, and the umbrella-shaped sealing cover is connected with the hollow hoisting column in a sealing way; the umbrella-shaped sealing cover is positioned above the yarn column and divides the hollow hoisting column into an upper section and a lower section, and the upper section and the lower section of the hollow hoisting column are provided with a plurality of air holes.
Preferably, the air holes of the lower section of the hollow hoisting column are positioned on the side wall of the bottom end.
Preferably, the air holes of the lower section of the hollow hoisting column are dispersed on the side wall of the lower section of the hollow hoisting column, and the total area of the air holes in the section with the same height is reduced from bottom to top in sequence.
Preferably, a flange seat for supporting the umbrella-shaped sealing cover is fixedly arranged on the hollow hoisting column and below the joint of the hollow hoisting column and the umbrella-shaped sealing cover.
Preferably, the outer periphery of the umbrella-shaped sealing cover is provided with a groove and a sealing gasket arranged in the groove.
Preferably, a plurality of air inlets are formed in the yarn cage base, the yarn column is in a tubular shape with a closed top end and an open bottom end, the inside of the yarn column is hollow, a plurality of air-permeable micropores are formed in the side wall of the yarn column, and the bottom end of the yarn column is hermetically connected with the yarn cage base at the air inlets so that the lower portion of the yarn cage base is communicated with the inside of the yarn column.
The embodiment of the application also provides a dyeing kettle, which comprises a kettle body and the rectifying yarn cage;
the rectifying yarn cage is positioned in the kettle body, the edge of the umbrella-shaped sealing cover is hermetically connected with the inner side wall of the kettle body, and the edge of the yarn cage base is hermetically connected with the inner wall of the kettle body close to the bottom; the bottom of the kettle body is provided with an air inlet positioned below the yarn cage base, and the upper part of the kettle body is provided with an air outlet positioned above the umbrella-shaped sealing cover.
Preferably, the area of the inner cross section of the hollow hoisting column is not less than the area of the gas outlet of the kettle body.
Preferably, the total area of the air holes at the upper section of the hollow hoisting column is not less than the area of the air outlet of the kettle body; the total area of the air holes at the lower section of the hollow hoisting column is not less than the area of the air outlet of the kettle body.
Preferably, a rectifying device is further arranged on the inner side of the bottom of the kettle body and below the yarn cage base;
the rectifying device is a plurality of layers of flow equalizing plates which are horizontally arranged, and a plurality of shunting holes are arranged on the flow equalizing plates;
or the rectifying device is a rectifying box with an opening at the top and a plurality of horizontally arranged flow equalizing plates are arranged in the rectifying box, a plurality of shunting holes are formed in the flow equalizing plates, and the edge of the top of the rectifying box is hermetically connected with the bottom of the creel base; and an inlet communicated with the air inlet at the bottom of the kettle body is formed at the bottom of the rectifier box.
Preferably, when the flow equalizing plate is a multilayer, the diameters of the flow dividing holes on the flow equalizing plate are sequentially reduced from bottom to top.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the rectification yarn cage provided by the embodiment of the application is used for supercritical CO2Supercritical CO carrying dye in fluid dyeing2After the fluid dyes the cheese sleeved on the yarn column, the fluid can enter the hollow hoisting column from the air holes at the lower section of the hollow hoisting column, then flows out to the outlet of the dyeing kettle through the air holes at the upper section of the hollow hoisting column, and the suction force at the outlet of the dyeing kettle cannot directly act on the object to be dyed at the upper part close to the outlet by adjusting the path of the fluid flowing out from the yarn column to the kettle body, but is transferred to other areas after being buffered by the hollow hoisting column, so that the flow of the object to be dyed at each position of the yarn column is more uniform, and the color difference of the object to be dyed is reduced.
Drawings
Fig. 1 is a schematic view of a rectification cage according to an embodiment of the present application;
FIG. 2 is a schematic view of a rectification cage according to another embodiment of the present application;
FIG. 3 is a schematic view of a dyeing kettle provided in accordance with an embodiment of the present application;
FIG. 4 is a schematic view of a dyeing kettle according to another embodiment of the present disclosure;
in the figure, 1-a creel base; 2-hollow hoisting column; 3-a yarn column; 4-umbrella-shaped sealing cover; 51-air holes; 52-air holes; 41-flange seat; 42-a groove; 6-kettle body; 61-an air inlet; 62-air outlet; 63-kettle cover; 7-flow equalizing plate; 8-a rectifying box.
Detailed Description
In order to facilitate the understanding of the scheme of the present application by those skilled in the art, the following further description is provided in conjunction with the specific drawings and examples, and it should be understood that the examples are illustrative of the scheme of the present application and are not intended to limit the scope of the present application.
Existing supercritical CO2The fluid dyeing kettle generally realizes CO dissolved with dye by a circulating pump2The fluid circulates in the tank. Because there is pressure differential in the business turn over, export when the circulating pump is worked, the dyeing cauldron exit suction that leads to being connected with the circulating pump import is great, and the flow of the thing of waiting to dye that flows through and be close from the dyeing cauldron exit is bigger, and the dyestuff that the thing of waiting to dye here obtains is many, and the colour is darker relatively to there is the colour difference about the thing of waiting to dye in the dyeing cauldron results in. Although the related art has been made to regulate the cycle by controllingThe problem of uneven flow distribution is solved by pump flow and pump lift, but the effect is slight and the problem is not solved fundamentally.
Aiming at the problems, the rectification yarn cage for the dyeing kettle and the dyeing kettle are provided, so that the problem of uneven flow distribution in the dyeing kettle is fundamentally solved, and the upper and lower objects to be dyed in the dyeing kettle are free of color difference.
As shown in fig. 1, the embodiment of the application provides a rectifying yarn cage for a dyeing kettle, which comprises a yarn cage base 1, and a hollow hoisting column 2 and a plurality of yarn columns 3 arranged on the yarn cage base;
the upper part of the hollow hoisting column is provided with an umbrella-shaped sealing cover 4 with a hole in the middle and communicated with the hollow hoisting column, and the umbrella-shaped sealing cover is connected with the hollow hoisting column in a sealing way; the umbrella-shaped sealing cover is positioned above the yarn column and divides the hollow hoisting column into an upper section and a lower section, and the upper section and the lower section of the hollow hoisting column are both provided with a plurality of air holes (51, 52).
The rectification yarn cage provided by the embodiment of the application can be arranged in a dyeing kettle, sleeves yarn on yarn columns for dyeing, and is particularly suitable for supercritical CO2Fluid dyeing is used. In particular, supercritical CO carrying dye during dyeing2After the fluid dyes the cone yarn sleeved on the yarn column, the fluid can firstly enter the hollow hoisting column from the air holes at the lower section of the hollow hoisting column and then flow out to the outlet of the dyeing kettle through the air holes at the upper section of the hollow hoisting column. Through set up hollow hoisting post and umbrella-type sealed lid in the rectification yarn cage, adjustable rectifier flows from the yarn post to the route of the external outflow of cauldron, makes the suction in dyeing cauldron exit unable direct action on waiting to dye the thing near the upper portion of export, but shifts to other regions after the buffering of hollow hoisting post for the yarn post of flowing through waits to dye the flow of thing everywhere more even, thereby reduces the colour difference of waiting to dye the thing.
Specifically, as shown in fig. 1, a plurality of air inlets 11 are formed in the yarn cage base, the yarn column is in a tubular shape with a closed top end and an open bottom end, the interior of the yarn column is hollow, a plurality of air-permeable micropores are formed in the side wall of the yarn column, and the bottom end of the yarn column is hermetically connected with the yarn cage base at the air inlets, so that the lower portion of the yarn cage base is communicated with the interior of the yarn column. Utensil for cleaning buttockOn the body, the yarn column is sleeved with cone yarn. By this arrangement, supercritical CO carrying dye can be ensured2Fluid enters the yarn column through the air inlet hole in the yarn cage base, and the object to be dyed on the yarn column is dyed from inside to outside.
In some embodiments of the present application, a plurality of air inlets are formed in the yarn cage base, and the number of the yarn columns above the yarn cage base is the same as that of the air inlets. Through this setting, can improve the quantity of the thing of treating that dyeing cauldron single dyeing is dyed, improve dyeing efficiency.
In some embodiments of the present application, as shown in fig. 1, the ventilation holes 52 of the lower section of the hollow lifting column are located on the sidewall of the bottom end. By this arrangement, supercritical CO can be obtained2Fluid enters the hollow hoisting column from the air holes at the lower section of the hollow hoisting column and flows out of the air holes at the upper section of the hollow hoisting column, and the flow of the fluid is transferred to the object to be dyed at the lower part of the yarn column, so that the flow of the upper part and the lower part of the yarn column is more uniform, and the color difference of the object to be dyed is reduced.
In some embodiments of the present application, as shown in fig. 2, the ventilation holes 52 of the lower section of the hollow hoisting column are distributed on the sidewall of the lower section of the hollow hoisting column, and the total area of the ventilation holes in the same height section decreases from bottom to top. By this arrangement, in supercritical CO2When the fluid flows out through the air holes at the lower section of the hollow hoisting column, the flow of the fluid flowing through the yarn column at each part to be dyed is more uniform, so that the color difference of the to-be-dyed objects is reduced. Particularly, the distribution condition of the air holes on the side wall of the lower section of the hollow hoisting column and the number, size and shape of the air holes can be adjusted according to actual conditions, so that the flow of fluid flowing through various parts of the yarn column to be dyed is more uniform, and the installation feasibility of the hollow hoisting column in a rectification yarn cage and a dyeing kettle is ensured.
Specifically, the air holes at the upper section of the hollow hoisting column can be positioned on the side wall of the hollow hoisting column and also can be positioned at the top end of the hollow hoisting column; the number, size and shape of the air holes can be adjusted according to actual conditions to ensure the supercritical CO flowing through the air holes2The flow of fluid is not affected.
In some embodiments of the present application, as shown in fig. 1 and 2, a flange seat 41 for supporting the umbrella-shaped sealing cover is fixedly disposed on the hollow hoisting column and below the joint of the hollow hoisting column and the umbrella-shaped sealing cover. Through the arrangement, the umbrella-shaped sealing cover can be more stably installed on the hollow hoisting column. Specifically, a middle opening of the umbrella-shaped sealing cover is matched with the outer diameter of the hollow hoisting column so as to ensure that the umbrella-shaped sealing cover and the hollow hoisting column can be connected in a sealing manner; the preferred umbrella-shaped sealed lid is installed on the flange seat through the welding mode, and it can guarantee the leakproofness and the installation steadiness of connecting simultaneously.
In some embodiments of the present application, as shown in figures 1 and 2, the outer periphery of the umbrella shaped sealing cap is provided with a groove 42 and a sealing gasket disposed in the groove. Through this setting, can guarantee the leakproofness between the edge of umbrella-type sealing cover and the internal lateral wall of cauldron.
As shown in fig. 3, the embodiment of the present application further provides a dyeing kettle, which includes a kettle body 6 and the above-mentioned rectification yarn cage;
the rectifying yarn cage is positioned in the kettle body, the edge of the umbrella-shaped sealing cover is hermetically connected with the inner side wall of the kettle body, and the edge of the yarn cage base is hermetically connected with the inner wall of the kettle body close to the bottom; an air inlet 61 positioned below the yarn cage base is arranged at the bottom of the kettle body, and an air outlet 62 positioned above the umbrella-shaped sealing cover is arranged at the upper part of the kettle body. Through this setting, can keep apart the gas outlet and the yarn post of the cauldron body to avoid near the suction direct action of dyeing cauldron gas outlet department to other regions are shifted to the buffering of hollow hoist and mount post, make the flow of waiting to dye the thing everywhere of yarn post of flowing through more even, thereby reduce the colour difference of waiting to dye the thing.
In some embodiments of the present application, the area of the inner cross section of the hollow hoisting column is not less than the area of the gas outlet of the kettle body. By this arrangement, supercritical CO can be ensured2The total flow of the fluid is not affected when the fluid flows through the hollow hoisting column, and the dyeing efficiency can still be ensured.
In some embodiments of the present application, the total area of the air holes at the upper section of the hollow hoisting column is not less than the area of the air outlet of the kettle body; the total area of the air holes at the lower section of the hollow hoisting column is notIs smaller than the area of the gas outlet of the kettle body. By this arrangement, supercritical CO can be ensured2The total flow of the fluid is not influenced by the air holes on the hollow hoisting column, and the dyeing efficiency can still be ensured.
Specifically, the kettle body further comprises a kettle cover 63, and the kettle cover can be a quick-opening kettle cover, so that the objects to be dyed in the kettle body can be conveniently replaced. Particularly, the kettle cover is abutted to the top end of the hollow hoisting column, so that the installation stability of the rectifying yarn cage in the kettle body can be ensured.
In some embodiments of the present application, a rectifying device is further disposed inside the bottom of the kettle and below the bottom of the yarn cage, as shown in fig. 3, the rectifying device is a plurality of layers of horizontally disposed flow equalizing plates 7, and a plurality of shunting holes are disposed on the flow equalizing plates;
or as shown in fig. 4, the rectifying device is a rectifying box 8 with an opening at the top and a plurality of horizontally arranged flow equalizing plates 7 arranged in the rectifying box, a plurality of flow dividing holes are arranged on the flow equalizing plates, and the top edge of the rectifying box is hermetically connected with the bottom of the yarn cage base; the bottom of the rectifying box is provided with an inlet communicated with an air inlet at the bottom of the kettle body. Specifically, a gap is arranged between the yarn cage base and the flow equalizing plate; when the flow equalizing plates are multilayer, gaps are arranged between every two adjacent flow equalizing plates. With this arrangement, supercritical CO carrying dye2After fluid enters the rectifying device through the air inlet, the fluid passing through the air inlet and entering each yarn column is distributed more uniformly through the shunting action of the plurality of shunting holes, so that the dyeing uniformity of the plurality of yarn columns is improved, and the color difference is reduced.
Specifically, each layer of flow equalizing plate is hermetically connected with the inner side wall of the bottom of the kettle body or the inner side wall of the rectifying box, and supercritical CO is adopted2Fluid can only enter the yarn column through the shunting hole after entering the rectifying device, so that the shunting effect is ensured.
Specifically, the bottom of the kettle body is funnel-shaped, and the edges of the flow equalizing plates on all layers are provided with rubber gaskets, so that the flow equalizing plates can be abutted against the inner side wall of the bottom of the kettle body under the action of self gravity, and the edge sealing effect is achieved. The rubber gasket is preferably a high temperature and high pressure resistant fluororubber gasket suitable for supercritical CO2Fluid dyeing kettle. In order to make the flow equalizing plate moreThe stability is realized, and a lug boss can be arranged on the inner side wall of the bottom of the kettle body to support the flow equalizing plate.
Specifically, the rectifying box is in an inverted round platform shape, and the edge of each layer of flow equalizing plate is provided with the rubber gasket, so that the flow equalizing plate can be abutted against the inner side wall of the rectifying box under the action of self gravity to play a role in edge sealing. The rubber gasket is preferably a high temperature and high pressure resistant fluororubber gasket suitable for supercritical CO2Fluid dyeing kettle. In order to make the flow equalizing plate more stable, a lug boss can be arranged on the inner side wall of the rectifying box to support the flow equalizing plate.
In some embodiments of the present application, when the flow equalizing plate is a multilayer flow equalizing plate, the diameters of the branch flow holes on the flow equalizing plate decrease from bottom to top in sequence. Through the arrangement of the multi-stage large and small flow dividing holes, the supercritical CO carrying the dye can be realized2The flow rate at which the fluid is ultimately distributed into the yarn column is more uniform.
Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all the technical solutions of the present application should be covered by the claims of the present application.

Claims (11)

1. A rectifying yarn cage for a dyeing kettle is characterized by comprising a yarn cage base, a hollow hoisting column and a plurality of yarn columns, wherein the hollow hoisting column and the plurality of yarn columns are arranged on the yarn cage base;
the upper part of the hollow hoisting column is provided with an umbrella-shaped sealing cover with a hole in the middle and communicated with the hollow hoisting column, and the umbrella-shaped sealing cover is connected with the hollow hoisting column in a sealing way; the umbrella-shaped sealing cover is positioned above the yarn column and divides the hollow hoisting column into an upper section and a lower section, and the upper section and the lower section of the hollow hoisting column are provided with a plurality of air holes.
2. The rectifying yarn cage for dyeing kettles as recited in claim 1, wherein the air holes of the lower section of the hollow hoisting column are located on the side wall of the bottom end.
3. The rectifying yarn cage for the dyeing kettle according to claim 1, wherein the air holes of the lower section of the hollow hoisting column are dispersed on the side wall of the lower section of the hollow hoisting column, and the total area of the air holes in the same height section is reduced from bottom to top in sequence.
4. The rectifying yarn cage for the dyeing kettle according to claim 1, wherein a flange seat for supporting the umbrella-shaped sealing cover is fixedly arranged on the hollow hoisting column and below the joint of the hollow hoisting column and the umbrella-shaped sealing cover.
5. A cage for a dyeing kettle yarn straightener as claimed in claim 1, wherein the umbrella shaped sealing cover has a groove on its outer periphery and a sealing gasket disposed in the groove.
6. The rectifying yarn cage for the dyeing kettle according to claim 1, wherein the yarn cage base is provided with a plurality of air inlet holes, the yarn column is in a tubular shape with a closed top end and an open bottom end, the inside of the yarn column is hollow, the side wall of the yarn column is provided with a plurality of air-permeable micropores, and the bottom end of the yarn column is hermetically connected with the yarn cage base at the air inlet holes, so that the lower part of the yarn cage base is communicated with the inside of the yarn column.
7. A dyeing kettle, characterized in that the dyeing kettle comprises a kettle body and the rectifying yarn cage of any one of claims 1-6;
the rectifying yarn cage is positioned in the kettle body, the edge of the umbrella-shaped sealing cover is hermetically connected with the inner side wall of the kettle body, and the edge of the yarn cage base is hermetically connected with the inner wall of the kettle body close to the bottom; the bottom of the kettle body is provided with an air inlet positioned below the yarn cage base, and the upper part of the kettle body is provided with an air outlet positioned above the umbrella-shaped sealing cover.
8. The dyeing kettle according to claim 7, wherein the inner cross-sectional area of the hollow hoisting column is not smaller than the area of the outlet of the kettle body.
9. The dyeing kettle according to claim 7, wherein the total area of the air holes at the upper section of the hollow hoisting column is not less than the area of the air outlet of the kettle body; the total area of the air holes at the lower section of the hollow hoisting column is not less than the area of the air outlet of the kettle body.
10. The dyeing kettle according to claim 7, wherein a rectifying device is further arranged on the inner side of the bottom of the kettle body and below the yarn cage base;
the rectifying device is a plurality of layers of flow equalizing plates which are horizontally arranged, and a plurality of shunting holes are arranged on the flow equalizing plates;
or the rectifying device is a rectifying box with an opening at the top and a plurality of horizontally arranged flow equalizing plates are arranged in the rectifying box, a plurality of shunting holes are formed in the flow equalizing plates, and the edge of the top of the rectifying box is hermetically connected with the bottom of the creel base; and an inlet communicated with the air inlet at the bottom of the kettle body is formed at the bottom of the rectifier box.
11. The dyeing kettle according to claim 10, wherein when said flow equalizing plate has multiple layers, the diameters of the distribution holes on the flow equalizing plate decrease from bottom to top.
CN202111611193.0A 2021-12-27 2021-12-27 Rectifying yarn cage for dyeing kettle and dyeing kettle Active CN114232250B (en)

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Citations (9)

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