CN115253330B

CN115253330B - Dye preparation method

Info

Publication number: CN115253330B
Application number: CN202210771617.8A
Authority: CN
Inventors: 张文潭; 刘俊彦; 邱丹品; 张碧丹; 周新祥; 赵建业; 陈明
Original assignee: Zhejiang Zheng Yu Chemical Industry Co ltd
Current assignee: Zhejiang Zheng Yu Chemical Industry Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2024-02-23
Anticipated expiration: 2042-06-30
Also published as: CN115253330A

Abstract

The invention discloses a dye preparation method, which comprises the following steps: a. mixing and crushing the materials to obtain a treated raw material; b. transferring the treated raw materials into drying equipment in a full discharging mode, and drying the raw materials; c. collecting the dried dye; wherein the step of transferring the raw material into the drying apparatus in a total discharge manner is performed by a conveying apparatus comprising: the first pipe bodies are used for conveying raw materials into the drying equipment; the second pipe body is sleeved outside the first pipe body; the first air pipe protrudes out of the first side of the second pipe body; the second air pipe is arranged at a second side of the second pipe body opposite to the first side; the scraping rod is arranged in the second pipe body; the first pipe body is connected to the second pipe body in a rotating mode, the first pipe body is driven to rotate forwards relative to the scraping rod around a pivoting center shaft when the first gas pipe is ventilated, and the first pipe body is driven to rotate reversely relative to the scraping rod around the pivoting center shaft when the second gas pipe is ventilated.

Description

Dye preparation method

Technical Field

The invention belongs to the technical field of dye processing, and particularly relates to a dye preparation method.

Background

In the production of dyes, it is generally necessary to dry the prepared paste to obtain the finished dye powder or granules. The color paste is prepared by a sand mill generally, and a spray dryer is needed for drying the color paste into dye powder. When the color paste is sent into the spray dryer, the color paste is often adhered to the inner wall of the pipeline, so that the pipeline needs to be cleaned when different types of color paste are manufactured, the color paste adhered to the pipeline is easy to solidify on the inner wall of the pipeline along with the time, the color paste is difficult to clean, the blockage is caused, the subsequent production progress is influenced, and the quality of a finished product is also influenced when the old color paste is mixed into the new color paste.

Disclosure of Invention

The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

The invention provides a dye preparation method for overcoming the defects in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a method of preparing a dye comprising the steps of: a. mixing and crushing the materials to obtain a treated raw material; b. transferring the treated raw materials into drying equipment in a full discharging mode, and drying the raw materials; c. collecting the dried dye; wherein the step of transferring the raw material into the drying apparatus in a total discharge manner is performed by a conveying apparatus comprising: the first pipe bodies are used for conveying raw materials into the drying equipment; the second pipe body is sleeved outside the first pipe body; the first air pipe protrudes out of the first side of the second pipe body; the second air pipe is arranged at a second side of the second pipe body opposite to the first side; the scraping rod is arranged in the second pipe body; the first pipe body is connected to the second pipe body in a rotating mode, the first pipe body is driven to rotate forwards relative to the scraping rod around a pivoting center shaft when the first gas pipe is ventilated, and the first pipe body is driven to rotate reversely relative to the scraping rod around the pivoting center shaft when the second gas pipe is ventilated.

Further, the conveying apparatus further includes: the first air transmission cavity is arranged on the first side of the second pipe body; the second air transmission cavity is arranged at the second side of the second pipe body; the first air conveying pipe is communicated with the first air conveying cavity, and the second air conveying pipe is communicated with the second air conveying cavity.

Further, a first ring groove is formed in the first pipe body, a plurality of first fan blades are arranged on the inner wall of the first ring groove, and a first connecting pipe communicated with the first gas transmission cavity and a second connecting pipe communicated with the second gas transmission cavity are arranged on the second pipe body.

Further, one end of the first pipe body is provided with a third connecting pipe, and the other end of the first pipe body is provided with a connecting groove corresponding to the third connecting pipe.

Further, the conveying apparatus further includes: one end of the reset spring is fixedly connected to the inner wall of the second pipe body; the support plate is fixedly connected to the reset spring; the first pipe body is propped against the supporting plate.

Further, one end of the first pipe body is provided with a diversion port, and the inner wall of the diversion port gathers towards the direction of the first pivot center axis.

Further, a positioning groove is formed in the side wall of the first pipe body, a threaded hole is formed in the second pipe body, a screw is arranged in the threaded hole in a penetrating mode, and at least part of the screw is inserted into the positioning groove.

Further, one end of the first pipe body is provided with a first connecting ring, the scraping rod is arranged on the first connecting ring, and the scraping rod arranged on one of the first pipe bodies is penetrated in the first pipe body adjacent to the scraping rod.

Further, the conveying apparatus further includes: the first feed inlet is communicated with the first pipe body; the first air inlet is arranged at one end of the second pipe body; the axis of the first feed inlet is perpendicular to the axis of the first air inlet, and the first feed inlet penetrates through the first air inlet.

Further, be equipped with the connecting block in the first air inlet, be equipped with the guide block on the connecting block, the guide block top is equipped with the guide face, and the guide block is located first feed inlet below.

The invention has the advantages that: provides a dye preparation method which is convenient for cleaning the inner wall of a pipeline.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is a schematic diagram of the installation of a sanding apparatus, a conveying apparatus, and a spray drying apparatus according to a dye preparation method in one embodiment of the present application;

FIG. 2 is a first cross-sectional view of a sanding apparatus of the dye preparation method of the embodiment shown in FIG. 1;

FIG. 3 is an enlarged view of the mixing drum of the dye preparation method of the embodiment shown in FIG. 1;

FIG. 4 is a second cross-sectional view of the sanding apparatus of the dye preparation method of the embodiment shown in FIG. 1;

FIG. 5 is an enlarged view of the embodiment of FIG. 1 at the cooling chamber of the dye preparation method;

FIG. 6 is a third cross-sectional view of the sanding apparatus of the dye preparation method of the embodiment shown in FIG. 1;

FIG. 7 is an enlarged view of the dye preparation process of the embodiment of FIG. 1 at the feed chamber;

FIG. 8 is a cross-sectional view of a delivery device in the dye preparation method of the embodiment shown in FIG. 1;

FIG. 9 is an enlarged view of a fourth connection pipe in the dye preparation method according to the embodiment shown in FIG. 1;

FIG. 10 is an enlarged view of a first tube in the dye preparation method of the embodiment shown in FIG. 1;

FIG. 11 is a schematic diagram showing the structure of a spray-drying apparatus in the dye preparation method in the embodiment shown in FIG. 1;

FIG. 12 is a first cross-sectional view of a spray drying apparatus in the dye preparation method of the embodiment shown in FIG. 1;

FIG. 13 is an enlarged view of the embodiment of FIG. 1 at a first feed tube in a dye preparation process;

FIG. 14 is a second cross-sectional view of the spray drying apparatus of the dye preparation method of the embodiment of FIG. 1;

FIG. 15 is an enlarged view of a baffle in the dye preparation method of the embodiment of FIG. 1;

FIG. 16 is a third cross-sectional view of the spray drying apparatus in the dye preparation method of the embodiment shown in FIG. 1;

FIG. 17 is an enlarged view of the embodiment of FIG. 1 at the scroll wheel in the dye preparation process;

FIG. 18 is a schematic structural view of a land in the dye preparation method in the embodiment shown in FIG. 1;

fig. 19 is an enlarged view of the return spring in the dye preparation method of the embodiment shown in fig. 1.

The meaning of the reference numerals in the figures is as follows:

100. a sanding apparatus; 101. a motor case; 102. a motor; 103. a mixing drum; 103a, a cooling cavity; 103b, a storage cavity; 103c, a material conveying cavity; 104. a stirring shaft; 104a, cavity; 104b, a first through groove; 1041. stirring the leaves; 105. a magnetic fluid sealing device; 106. a second connecting ring; 106a, a second ring groove; 1061. a second bearing; 107. a third connecting ring; 1071. a first bearing; 108. a liquid inlet pipe; 109. a positioning frame; 1091. a seal ring; 110. a stirring rod; 111. a first air inlet pipe; 112. a discharge pipe; 1121. a bump;

200. a conveying device; 201. a first gas pipe; 202. a second gas pipe; 203. a second tube body; 2031. a first connection pipe; 2032. a second connection pipe; 2033. a first fan blade; 204. a first gas-conveying chamber; 205. a second gas-conveying chamber; 206. a first tube body; 206a, a diversion port; 206b, positioning grooves; 206c, a connecting groove; 2061. a first connection ring; 2062. a scraping rod; 2063. a third connection pipe; 2071. a screw; 208. a fourth connection pipe; 208a, a first feed inlet; 208b, a first air inlet; 209. a fourth connecting ring; 2091. a connecting block; 2092. a guide block; 210. a fifth connection pipe; 2101. a convex ring; 2102. a third gas pipe; 211. a first feed delivery tube; 212. a return spring;

300. a spray drying apparatus; 301. an air inlet pipe; 302. a first feed tube; 303. a volute; 304. a porous plate; 304a, annular through grooves; 304b, ventilation holes; 3041. a fifth connecting ring; 3042. a third fan blade; 3043. a connecting disc; 3044. a baffle; 305. a nozzle; 3051. a heating plate; 306. a deflector; 306a, through holes; 306b, a second through slot; 307. a drying cylinder;

400. a mounting frame; 401. an operation table; 402. a second feed delivery tube; 403. a cyclone separator; 404. a first fan; 405. and a second fan.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A dye preparation method comprises the following steps: a. mixing and crushing the materials to obtain a treated raw material; b. transferring the treated raw materials into drying equipment in a full discharging mode, and drying the raw materials; c. and collecting the dried dye.

As shown in fig. 1, the present application also discloses a sanding apparatus 100, a conveying apparatus 200, and a spray drying apparatus 300.

As shown in fig. 2 to 3, the sanding apparatus includes a mixing drum 103, a motor housing 101, a stirring shaft 104, and a motor 102.

Defining the central axis of the mixing drum 103 as a second pivot axis, the mixing drum 103 being configured with a mixing chamber for receiving material; the stirring shaft 104 is arranged in the mixing drum 103; the motor 102 is used for driving the stirring shaft 104 to rotate around a second pivot center shaft, the motor 102 is arranged in the motor case 101, an output shaft of the motor 102 is connected with the stirring shaft 104, a magnetic fluid sealing device 105 is arranged on the stirring shaft 104, the mixing cavity is sealed by the magnetic fluid sealing device 105, raw materials are prevented from leaking out of the mixing cavity, and meanwhile, the stirring shaft 104 can be guaranteed to normally rotate; the stirring shaft 104 is provided with a plurality of stirring blades 1041, the stirring blades 1041 are uniformly arranged on the stirring shaft 104, the stirring shaft 104 is provided with a cavity 104a, and the side wall of the cavity 104a is provided with a plurality of first through grooves 104b; a second feed tube is provided on the end face of the mixing drum 103.

The material enters the mixing drum 103 through the second feeding pipe, the motor 102 drives the stirring shaft 104 to rotate, the stirring blade 1041 pushes the material to rotate in the mixing drum 103 to stir the material, part of the material enters the cavity 104a from the first through groove 104b, the material collides with the inner wall of the cavity 104a, the contact effect between the materials is improved, and the materials are fully mixed in the mixing cavity.

Be equipped with cooling chamber 103a on the mixing drum 103 lateral wall, cooling chamber 103a parcel is in the mixing chamber outside, is equipped with inlet tube and outlet pipe on the mixing drum 103 lateral wall, fills cooling water into cooling chamber 103a through the mode of injecting cooling water into the inlet tube in, utilizes cooling water to play the cooling effect to mixing drum 103, controls the temperature of mixing drum 103 in room temperature range, reduces the influence of high temperature to sanding equipment.

Specifically, as shown in fig. 4 to 5, a second connection ring 106, a third connection ring 107, a stirring rod 110 and a positioning frame 109 are provided in the cooling chamber 103 a; the stirring rod 110 is arranged between the second connecting ring 106 and the third connecting ring 107, one end of the stirring rod 110 is fixedly connected to the second connecting ring 106, the other end of the stirring rod 110 is fixedly connected to the third connecting ring 107, and the second connecting ring 106 and the third connecting ring 107 are sleeved on the inner wall of the cooling cavity 103a, so that the second connecting ring 106 and the third connecting ring 107 can rotate relative to the cooling cavity 103 a; the positioning frames 109 are two groups and are respectively arranged at two ends of the cooling cavity 103a, the second connecting ring 106 and the third connecting ring 107 are respectively inserted into the two positioning frames 109 at two ends of the cooling cavity 103a, the second connecting ring 106 is provided with a second annular groove 106a, the inner wall of the second annular groove 106a is provided with a plurality of second fan blades, the third connecting ring 107 is provided with a third annular groove, the third annular groove is internally provided with a first bearing 1071, the second connecting ring 106 is provided with a fourth annular groove, the fourth annular groove is internally provided with a second bearing 1061, and the resistance to the rotation of the second connecting ring 106 and the third connecting ring 107 is reduced by the arrangement of the first bearing 1071 and the second bearing 1061, so that the second connecting ring 106 and the third connecting ring 107 are easier to rotate in the cooling cavity 103 a; the side wall of the mixing drum 103 is provided with a first air inlet pipe 111 and a first air outlet pipe, the first air inlet pipe 111 and the first air outlet pipe are respectively arranged at two sides of the mixing drum 103, and the first air inlet pipe 111 and the first air outlet pipe are opposite to the second annular groove 106a in position, namely the first air inlet pipe 111 and the first air outlet pipe are respectively arranged at two sides of the second annular groove 106 a; the locating frame is provided with a sealing ring 1091, and the sealing ring 1091 is used for isolating the cooling cavity and the second annular groove, so that cooling liquid is prevented from entering the second annular groove, and air flow is prevented from entering the cooling cavity.

The air flow enters the cooling cavity 103a from the first air inlet pipe 111, the air flow entering the cooling cavity 103a is positioned in the second annular groove 106a, the air flow impacts the second fan blades to push the second connecting ring 106 to rotate, the second connecting ring 106 drives the stirring rod 110 to rotate, the stirring rod 110 stirs the water flow in the cooling cavity 103a, the cooling in the whole cooling cavity 103a is in a moving state, the steady state of cooling water is broken, the cooling effect of the cooling water on the mixing drum 103 is improved, and the phenomenon that the heat dissipation of the mixing drum 103 is influenced by the temperature difference of the cooling water on the inner side and the outer side is avoided; the temperature of the cooling water in the cooling cavity 103a is transferred to the second connecting ring 106, the air flow entering the second annular groove 106a from the first air inlet pipe 111 is discharged from the first air outlet pipe, the heat on the second connecting ring 106 is taken away by the flow of the air, the cooling effect is achieved on the cooling water, and the water temperature in the cooling cavity 103a is ensured.

The heat on the second connecting ring 106 is quickly taken away through the quick flow of the air flow in the second annular groove 106a, so that the cooling water in the cooling cavity 103a is quickly cooled, and the cooling effect of the cooling water on the mixing drum 103 is ensured; when the temperature of the cooling water in the cooling cavity 103a rises to a temperature at which the mixing drum 103 cannot be cooled, the cooling water after the temperature rise is discharged from the water outlet pipe, new cooling water is injected from the water inlet pipe, the cooling water in the cooling cavity 103a is replaced, and the influence on the heat dissipation of the mixing drum 103 after the water temperature rises is avoided.

The first air inlet pipe 111 penetrates through the locating frame 109, the locating frame 109 is fixedly connected in the cooling cavity 103a, the first air inlet pipe 111 is fixed on the mixing drum 103 through the locating frame 109, the second connecting ring 106 rotates relative to the first air inlet pipe 111 when rotating relative to the cooling cavity 103a, so that air flows are always in the same position to blow the second connecting ring 106, rotation power is provided for the second connecting ring 106 to stir water flows in the cooling cavity 103a, and the cooling effect of cooling water on the mixing drum 103 is improved.

As shown in fig. 6, 7 and 9, a discharging pipe 112 is arranged at the bottom of the mixing cavity, a storage cavity 103b is arranged at the top of the mixing cavity, a material conveying cavity 103c communicated with the discharging pipe 112 is arranged on the side wall of the storage cavity 103b, the material conveying cavity 103c is in a circular arc structure, and the bottom end of the circular arc structure of the material conveying cavity 103c is communicated with the discharging pipe 112.

Raw materials after the mixing in the mixing cavity enter a storage cavity 103b, raw materials in the storage cavity 103b enter a discharge pipe 112 through a material conveying cavity 103c, and the raw materials are discharged from the mixing cavity through the discharge pipe 112; the material storage cavity 103b is arranged at the top of the mixing cavity, so that materials are discharged from the mixing cavity after being fully mixed in the mixing cavity, and the uniformity of raw material mixing is ensured; the material conveying cavity 103c is arranged into an arc-shaped structure, so that the inner wall of the material conveying cavity 103c is smoother, raw materials can directly flow downwards along the inner wall of the material conveying cavity 103c, and residues of the raw materials in the material conveying cavity 103c are reduced; the discharging pipe 112 is arranged at the bottom of the mixing drum 103, so that the downward flowing trend of materials is automatically generated under the action of gravity, the residues of the materials in the material conveying cavity 103c and the discharging pipe 112 are further reduced, and the normal production progress is ensured.

As shown in fig. 8 to 10, the conveying apparatus includes a plurality of first pipe bodies 206, second pipe bodies 203, first air delivery pipes 201, second air delivery pipes 202, and scraping bars 2062.

Defining a top of the second tube 203 as a first side, a bottom as a second side, and a central axis of the second tube 203 as a first pivot axis; the first pipe bodies 206 are used for conveying raw materials into the drying equipment, and a plurality of first pipe bodies 206 are connected end to end; the second pipe 203 is sleeved outside the first pipes 206; the first air delivery pipe 201 protrudes from the first side of the second pipe body 203; the second air delivery pipe 202 is arranged on a second side of the second pipe body 203 opposite to the first side; one end of the first pipe body 206 is provided with a first connecting ring 2061, the scraping rod 2062 is arranged on the first connecting ring 2061, and the scraping rod 2062 arranged on one first pipe body 206 is penetrated in the first pipe body 206 adjacent to the scraping rod 2062; the first pipe body 206 is rotatably connected to the second pipe body 203, a mounting cavity for the first pipe body 206 to rotate is formed in the second pipe body 203, the first pipe body 206 is driven to rotate forward relative to the scraping rod 2062 around the first pivot axis when the first air pipe 201 is ventilated, and the first pipe body 206 is driven to rotate reversely relative to the scraping rod 2062 around the first pivot axis when the second air pipe 202 is ventilated; the adjacent first tubes 206 are rotated one against the other so that the first tubes 206 can move relative to the scraper bars 2062; the second pipe body 203 is provided with a first feed inlet 208a, and the discharge pipe 112 on the mixing drum 103 is inserted into the first feed inlet 208 a.

After the materials are mixed in the mixing drum 103, the materials enter the second pipe body 203 through the discharging pipe 112, and as the first pipe body 206 and the second pipe body 203 are communicated, raw materials in the second pipe body 203 flow into the first pipe body 206, at the moment, the first gas pipe 201 is ventilated, the first pipe body 206 is driven to rotate around a first pivoting center axis by air flow, the other first pipe body 206 adjacent to the rotating first pipe body 206 is in a static state, the first pipe body 206 is in a rotating state relative to the scraping rod 2062, and the scraping rod 2062 cleans the inner wall of the first pipe body 206 and scrapes attachments adhered on the inner wall of the first pipe body 206; after the first air pipe 201 ventilates for a specified period of time, the second air pipe 202 starts to ventilate, and as the direction of air inlet changes, the first pipe 206 reversely rotates, the other side of the scraping rod 2062 receives thrust force to push down the material on the scraping plate, the scraping plate is cleaned, the residue of the material in the conveying equipment 200 is reduced, and the cleaning difficulty of the conveying equipment 200 is reduced.

One end of the first pipe body 206 is provided with a third connecting pipe 2063, the other end is provided with a connecting groove 206c corresponding to the third connecting pipe 2063, and the third connecting pipe of any one first pipe body 206 is inserted into the connecting groove on the adjacent first pipe body 206, so that all first pipe bodies 206 form a complete pipe body, the leakage phenomenon between the two connected first pipe bodies 206 is avoided, and the raw materials are ensured to normally flow in the first pipe bodies 206.

A first air conveying cavity 204 is formed in the first side of the second pipe body 203, a second air conveying cavity 205 is formed in the second side of the second pipe body 203, the first air conveying pipe 201 is communicated with the first air conveying cavity 204, and the second air conveying pipe 202 is communicated with the second air conveying cavity 205; the first pipe body 206 is provided with a first annular groove, the inner wall of the first annular groove is provided with a plurality of first fan blades 2033, the second pipe body 203 is provided with a first connecting pipe 2031 communicated with the first air conveying cavity 204 and a second connecting pipe 2032 communicated with the second air conveying cavity 205, the first connecting pipe 2031 and the second connecting pipe 2032 are arranged on one side of the first annular groove, air flow blown into the first annular groove from the first connecting pipe 2031 or the second connecting pipe 2032 pushes the first fan blades 2033 to rotate, and the first fan blades 2033 drive the first pipe body 206 to rotate together to provide rotating power for the first pipe body 206 so as to clean the inner wall of the first pipe 206; through the arrangement of the first air conveying cavity 204 and the second air conveying cavity 205, the air flows entering from the first air conveying pipe 201 and the second air conveying pipe 202 can be uniformly mixed and enter into the first annular grooves of the plurality of different first pipe bodies 206 to push the plurality of first pipe bodies 206 to rotate, and the purpose of cleaning the inner walls of all the first pipe bodies 206 is achieved.

A reset spring 212 is arranged in the second pipe body 203, one end of the reset spring 212 is fixedly connected to the inner wall of one end of the second pipe body 203, the other end of the reset spring 212 is provided with a supporting plate, the first pipe body 206 is propped against the supporting plate, and the supporting plate is used for providing support for the first pipe body 206; a fourth connecting pipe 208 is further arranged in the second pipe body 203, the first feeding hole 208a is formed in the fourth connecting pipe 208, and the fourth connecting pipe 208 is connected with the second pipe body 203 through threads; when the first pipes 206 are installed, the first pipes 206 are sequentially placed into the second pipes 203 one by one, the first pipes 206 at the innermost end are propped against the supporting plate, after all the first pipes 206 are installed, the fourth connecting pipes 208 are inserted into the first pipes 206 at the outermost end, the fourth connecting pipes 208 are rotated to fix the fourth connecting pipes 208 on the second pipes 203 by utilizing threads, the first pipes 206 are clamped between the fourth connecting pipes 208 and the supporting plate, and the first pipes 206 are fixed by utilizing the fourth connecting pipes 208 and the supporting plate.

One end of the first pipe body 206 is provided with a diversion opening 206a, and the inner wall of the diversion opening 206a gathers towards the direction of the first pivot center axis; the setting through water conservancy diversion mouth 206a reduces the discharge volume of first body 206, because water conservancy diversion mouth 206a inner wall gathers together towards first pivot axis direction, water conservancy diversion mouth 206a inner wall gathers together towards the centre promptly, reduce the discharge area of first body 206, the material supports on water conservancy diversion mouth 206a inner wall when passing from water conservancy diversion mouth 206a department, the material produces the extrusion force to water conservancy diversion mouth 206a inner wall, the material that flows promotes whole first body 206 to remove to second body 203 one end, first body 206 extrusion reset spring, first body 206 no longer lets in new material after the reset spring shrink, the pressure of water conservancy diversion mouth 206a department reduces, reset spring promotes first body 206 back to remove, first body 206 back removes under reset spring propelling movement striking on fourth connecting pipe 208, first body 206 is because the striking produces vibrations, the material on the inner wall of doctor rod 2062 and first body 206 is cleared up, further material residue in the conveying equipment 200 is reduced, promote the clearance effect in the conveying equipment 200.

The positioning groove 206b is formed in the side wall of the first pipe body 206, the threaded hole is formed in the second pipe body 203, the screw 2071 is penetrated in the threaded hole, at least part of the screw 2071 is inserted into the positioning groove 206b, the positioning groove 206b is of an annular structure, the width of the positioning groove 206b is larger than the diameter of the screw 2071, the whole first connecting pipe 2031 can be driven to move when materials are extruded on the inner wall of the guide port 206a, the blocking of the movement of the first pipe body 206 caused by the matching of the positioning groove 206b and the screw 2071 is avoided, the fixing effect of the first pipe body 206 is improved under the arrangement of the positioning groove 206b and the screw 2071, the first pipe body 206 is prevented from being directly separated from the second pipe body 203, the first pipe body 206 can be guaranteed to normally rotate, and the scraping rod 2062 can clear the inner wall of the first pipe body 206.

A first air inlet 208b is formed in one end of the second pipe body 203, the central axis of the first feeding hole 208a is perpendicular to the central axis of the first air inlet 208b, and the first feeding hole 208a penetrates through the first air inlet 208b; a mounting groove is formed in the inner wall of the first air inlet 208b, a fourth connecting ring 209 is arranged in the mounting groove, a connecting block 2091 is arranged on the fourth connecting ring 209, a guide block 2092 is arranged on the connecting block 2091, a guide surface is arranged on the guide block 2092, and the guide block 2092 is arranged below the first feed inlet 208 a; the first air inlet 208b is connected with a fifth connecting pipe 210 through threads, one end of the fifth connecting pipe 210 is provided with a convex ring 2101, when the fifth connecting pipe 210 is fixed on the first air inlet 208b through threads, the convex ring 2101 is abutted against the fourth connecting ring 209, the convex ring 2101 provides supporting force for the fourth connecting ring 209 to support the fourth connecting ring 209 in the mounting groove, and the fourth connecting ring 209 is mounted; the fifth connection pipe 210 communicates with the first outlet pipe through a third air delivery pipe 2102, and the air flow discharged from the cooling chamber 103a directly enters the first inlet 208b of the transportation device 200 through the third air delivery pipe 2102.

With the guide block 2092 set, the diameter at the first air inlet 208b is reduced, increasing the airflow rate at the first air inlet 208b; the raw materials that drops from discharging pipe 112 falls on guide block 2092, and the material rolls along the guide surface, makes the material produce the trend of moving towards first body 206 direction, and the cooperation is to the air current that first body 206 direction flows, drives the material and enters into in the first body 206, carries the material, avoids the material to pile up in first feed inlet 208a department.

As a preferred solution, the first air inlet pipe 111 adopts a discontinuous ventilation mode to convey air flow, the bottom end of the guide block 2092 is rotatably connected to the connection block 2091, the discharge pipe 112 is made of rubber, and the inner wall of the bottom end of the discharge pipe 112 is provided with a bump 1121.

When the first air inlet pipe 111 is ventilated, air flow passes through the cooling cavity 103a and then enters the first air inlet 208b, the air flow passes through between the connecting block 2091 and the inner wall of the first air inlet 208b, the air flow pushes the guide block 2092 to turn upwards, the guide block 2092 turns to be in a horizontal state, the guide block 2092 stores and shields part of the discharging area of the discharging pipe 112, the outlet of the discharging pipe 112 is reduced, negative pressure is generated in the fourth connecting pipe 208 when the air flow passes through the fourth connecting pipe 208, so that suction force is generated below the discharging pipe 112, materials in the discharging pipe 112 push the protruding block 1121 to move against the protruding block 1121, the side wall of the discharging pipe 112 is pulled by the protruding block 1121 to deform, and the side wall of the discharging pipe 112 is stretched; the material enters the first pipe body 206 along with the air flow, the material props against the inner wall of the diversion opening 206a to push the first pipe body 206 to move, the material pushes the first pipe body 206 to move, and the reset spring contracts; when the first air inlet pipe 111 is not ventilated, air flow does not enter the first air inlet 208b any more, the guide block 2092 turns downwards under the action of gravity and pushing of materials, the area of a discharge hole of the discharge pipe 112 is increased, the materials in the discharge pipe 112 fall from the discharge pipe 112, the inner wall of the fourth connecting pipe 208 is not sucked, the discharge pipe 112 contracts under the action of self elasticity, so that the discharge pipe 112 vibrates, the materials on the inner wall of the discharge pipe 112 shake off, and the adhesion on the inner wall of the discharge pipe 112 is reduced; when the air flow does not enter the first air inlet 208b any more, the material does not move in the first pipe 206, the return spring pushes the first pipe 206 to move back, the first pipe 206 moves back to strike on the fourth connecting pipe 208, vibration is generated on the first pipe 206, the material on the inner wall of the first pipe 206 is shaken off, and the material adhered to the inner wall of the first pipe 206 is reduced, so that the first pipe 206 is cleaned.

As shown in fig. 11 to 18, the spray drying apparatus 300 includes a drying drum 307, a first feed pipe 302, an air inlet pipe 301, a nozzle 305, and a scroll 303.

Drying drum 307 is configured to have a drying chamber for drying the raw material; a first feed tube 302 introduces the raw material into the drying chamber; the air inlet pipe 301 introduces the hot air flow into the drying chamber; the nozzle 305 blows a hot air stream into the drying chamber onto the raw material to dry the raw material; the volute 303 is communicated with the air inlet pipe 301 so that the rotating air flow is blown out from the nozzle 305; an air outlet is formed in the inner wall of the worm disc 303, a porous plate 304 is arranged in the air outlet, and the porous plate 304 is of a circular ring structure; the nozzle 305 has a conical structure, a plurality of heating plates 3051 are arranged on the inner wall of the nozzle 305, air flow ejected from the nozzle 305 passes through the heating plates 3051, and the air flow ejected from the nozzle 305 is heated by the heating plates 3051 so as to obtain hot air flow for drying materials.

The bottom of the second pipe body 203 is provided with a first conveying pipe 211, the first conveying pipe 211 is arranged in the first feeding pipe 302 in a penetrating way, the first conveying pipe 211 is made of rubber materials, a fifth connecting ring 3041 is arranged on the perforated plate 304, a third fan blade 3042 which drives the perforated plate 304 to rotate along with hot air flow entering into the worm plate 303 is arranged on the fifth connecting ring 3041, the perforated plate 304 is connected with a connecting disc 3043, the first feeding pipe 302 and the first conveying pipe 211 are arranged in two sections, the connecting disc 3043 is arranged between the two sections of the first feeding pipe 302 and the two sections of the first conveying pipe 211 in a penetrating way, an annular through groove 304a is arranged on the connecting disc 3043, a baffle 3044 is arranged in the annular through groove 304a, the position of the first conveying pipe 211 is opposite to that of the annular through groove 304a, and when the perforated plate 304 drives the connecting disc 3043 to rotate, the baffle 3044 intermittently rotates to the first conveying pipe 211 to seal the first conveying pipe 211.

When the air flow enters the volute 303 from the air inlet pipe 301, the air flow entering the volute 303 flows along the inner wall of the volute 303, the air flow forms a rotating flowing air flow under the shape of the volute 303, the air flow pushes the third fan blades 3042 when flowing in the volute 303, the third fan blades 3042 drive the porous plate 304 to rotate, part of the air flow in the volute 303 flows out of the porous plate 304, and the air flow leaked from the porous plate 304 flows to the nozzle 305 to be contacted with the heating plate 3051 so as to heat the air flow by the heating plate 3051; when the annular through groove 304a is positioned at the bottom of the first conveying pipe 211, the materials in the second pipe body 203 enter the drying cylinder 307 through the first conveying pipe 211; when the baffle 3044 rotates to the bottom of the first conveying pipe 211, the baffle 3044 seals the first conveying pipe 211, the second pipe 203 still continuously conveys materials into the first conveying pipe 211, and the materials in the first conveying pipe 211 are increased and then squeeze the inner wall of the first conveying pipe 211, so that the side wall of the first conveying pipe 211 is deformed; after the baffle 3044 is removed from the bottom of the first conveying pipe 211, the bottom of the first conveying pipe 211 is opened, materials fall from the first conveying pipe 211, the materials do not squeeze the inner wall of the first conveying pipe 211 any more, the first conveying pipe 211 recovers deformation under the action of self elasticity, vibration is generated on the first conveying pipe 211, the materials on the inner wall of the first conveying pipe 211 are shaken off, the materials are prevented from adhering to the inner wall of the first conveying pipe 211, the materials are matched with the gravity of the materials, and the difficulty of cleaning the inside of the first conveying pipe 211 is reduced.

The connecting disc 3043 is provided with a plurality of ventilation holes 304b, so that air flow at the top of the connecting disc 3043 can flow to the lower part of the connecting disc 3043 through the connecting disc 3043 and enter the drying cylinder 307 to dry the materials; a third bearing is provided on the land 3043 to provide for smoother rotation of the land 3043 relative to the first feed tube 302.

The air flow passes through the cooling cavity 103a and exchanges heat with the cooling liquid, the air flow is preheated, the temperature of the air flow is raised, the air flow entering the first pipe body 206 is at a temperature, the air flow is mixed with the raw material and then has a preheating effect on the raw material, and the air flow is matched with the subsequent drying cylinder 307 to finish the drying treatment of the raw material.

As a further preferred scheme, a guide plate 306 is further arranged in the drying cylinder 307, the guide plate 306 is of a conical structure, the guide plate 306 is arranged in a hollow manner, a through hole 306a is formed in the bottom of the guide plate 306, a plurality of second through grooves 306b are formed in the side wall of the guide plate 306, an inclined plane is further formed in the bottom of the guide plate 306, the through hole 306a is formed in the bottom end of the inclined plane, and the guide plate 306 is fixed to the top of the drying cylinder 307 through bolts.

When the baffle 3044 seals the first conveying pipe 211, more materials accumulate in the first conveying pipe 211, when the baffle 3044 moves away from the bottom of the first conveying pipe 211, a large amount of materials directly fall off, the baffle 306 is utilized to carry the materials, the materials are prevented from directly falling out of the drying cylinder 307, the stay time of the materials in the drying cylinder 307 is prolonged, and the drying effect of the materials is ensured; through the arrangement of the second through groove 306b, the materials are prevented from being adhered to the inner wall of the guide plate 306 after being dried when the side wall of the guide plate 306 descends along the guide plate 306, so that the materials directly pass through the guide plate 306, and the cleaning difficulty of the guide plate 306 is reduced.

The spray drying equipment 300 is provided with a cyclone separator 403 on one side, a second conveying pipe 402 is arranged at the bottom of the drying cylinder 307, the second conveying pipe 402 is connected with an inlet of the cyclone separator 403, a third conveying pipe is connected to an outlet of the cyclone separator 403, the third conveying pipe is communicated with a first fan 404, suction is generated in the third conveying pipe by the first fan 404, suction is generated in the second conveying pipe 402, dried materials in the drying cylinder 307 are sucked into the cyclone separator 403 through the second conveying pipe 402, and the dye is screened by the cyclone separator 403 to obtain a final product dye, so that the finished product effect of the dye is ensured.

The first fan 404 is arranged below the drying cylinder 307, a second fan 405 is arranged on the opposite side of the first fan 404, a fourth air pipe and a fifth air pipe are connected to the second fan 405, the fourth air pipe is communicated with the first air inlet pipe 111, the fifth air pipe is communicated with the air inlet pipe 301, the second fan 405 provides air flow for the cooling cavity 103a and the drying cylinder 307, material residues in the conveying equipment 200, the discharging pipe 112 and the first conveying pipe 211 are reduced, and the quality of dye products is guaranteed.

The sanding device, the conveying device 200, the spray drying device 300 and the cyclone separator 403 are all arranged on one mounting frame 400, and all the devices are integrated together through the mounting frame 400, so that the whole dye processing is automatically carried out, and the convenience of dye processing is improved; the operation table 401 is arranged on the mounting frame 400, and all devices can be controlled by using the operation table 401, so that the operability of the whole device is improved.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A method for preparing dye, which is characterized in that: the method comprises the following steps:

a. mixing and crushing the materials to obtain a treated raw material;

b. transferring the treated raw materials into drying equipment in a full discharging mode, and drying the raw materials;

c. collecting the dried dye;

wherein the step of transferring the raw material into the drying apparatus in a total discharge manner is performed by a conveying apparatus comprising:

the first pipe bodies are used for conveying raw materials into the drying equipment;

the second pipe body is sleeved outside the first pipe body;

the first air pipe protrudes out of the first side of the second pipe body;

the second air pipe is arranged on a second side of the second pipe body opposite to the first side;

the scraping rod is arranged in the first pipe body;

the first pipe body is rotationally connected to the second pipe body, the first pipe body is driven to rotate positively relative to the scraping rod around a pivoting center shaft when the first gas pipe is ventilated, and the first pipe body is driven to rotate reversely relative to the scraping rod around the pivoting center shaft when the second gas pipe is ventilated;

defining a central shaft of the second pipe body as a first pivot central shaft, and connecting a plurality of first pipe bodies together end to end; the second pipe body is sleeved outside the plurality of first pipe bodies; one end of the first pipe body is provided with a first connecting ring, the scraping rod is arranged on the first connecting ring, and the scraping rod arranged on one of the first pipe bodies penetrates through the first pipe body adjacent to the scraping rod; the first air pipe is driven to rotate forward relative to the scraping rod around the first pivot center shaft when being ventilated, and the second air pipe is driven to rotate reversely relative to the scraping rod around the first pivot center shaft when being ventilated; the adjacent first pipe bodies rotate one by one and do not rotate, so that the first pipe bodies can move relative to the scraping rod;

the conveying apparatus further includes:

one end of the reset spring is fixedly connected to the inner wall of the second pipe body;

the support plate is fixedly connected to the reset spring;

the first pipe body is propped against the supporting plate;

one end of the first pipe body is provided with a diversion port, and the inner wall of the diversion port gathers towards the direction of the first pivoting center shaft.

2. A method of preparing a dye according to claim 1, wherein: the conveying apparatus further includes:

the first air transmission cavity is arranged on the first side of the second pipe body;

the second air transmission cavity is arranged on the second side of the second pipe body;

the first air conveying pipe is communicated with the first air conveying cavity, and the second air conveying pipe is communicated with the second air conveying cavity.

3. A method of preparing a dye according to claim 2, characterized in that: the first pipe body is provided with a first annular groove, the inner wall of the first annular groove is provided with a plurality of first fan blades, and the second pipe body is provided with a first connecting pipe communicated with the first gas transmission cavity and a second connecting pipe communicated with the second gas transmission cavity.

4. A method of preparing a dye according to claim 1, wherein: one end of the first pipe body is provided with a third connecting pipe, and the other end of the first pipe body is provided with a connecting groove corresponding to the third connecting pipe.

5. A method of preparing a dye according to claim 1, wherein: the first pipe body is provided with a positioning groove on the side wall, the second pipe body is provided with a threaded hole, a screw is arranged in the threaded hole in a penetrating mode, and the screw is at least partially inserted into the positioning groove.

6. A method of preparing a dye according to claim 1, wherein: the conveying apparatus further includes:

the first feed inlet is communicated with the first pipe body;

the first air inlet is arranged at one end of the second pipe body;

the axis of the first feed inlet is perpendicular to the axis of the first air inlet, and the first feed inlet penetrates through the first air inlet.

7. The method for preparing dye according to claim 6, wherein: the connecting block is arranged in the first air inlet, a guide block is arranged on the connecting block, a guide surface is arranged at the top of the guide block, and the guide block is arranged below the first feed inlet.