Receiving and dispersing device for para-aramid resin mixture
By designing a rotating grid plate and dispersing blades, the problems of low separation efficiency of lumpy materials and uneven acid-base neutralization in the synthesis of para-aramid resin were solved, realizing automated separation and neutralization, and improving production efficiency and equipment protection.
Patent Information
- Application Number
- CN202423047135.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In existing technologies, the separation efficiency of the lumpy materials generated in the initial stage of para-aramid resin synthesis is low, requiring manual operation, which leads to low production efficiency, environmental pollution and high labor costs. Furthermore, the failure to effectively neutralize acids and alkalis easily causes equipment corrosion.
Design a dispersion device including a rotating grid plate, dispersion blades and a spray system. The rotating grid plate centrifugally separates lumpy materials, a scraper removes waste, and the dispersion blades neutralize acids and bases, thus achieving an automated separation and neutralization process.
It enables automatic separation of lumpy materials, prevents hydrochloric acid volatilization, reduces environmental pollution, saves labor costs, improves production efficiency, and ensures uniform acid-base neutralization, protecting equipment and preventing corrosion.
Smart Images

Figure CN223556020U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of for para-aramid resin mixture material receiving dispersion devices, belong to para-aramid resin production technical field. BACKGROUND
[0002] Para-aramid is a kind of high-performance fiber, with high strength, high modulus, flame-retardant etc. Characteristics, widely used in high temperature, friction, composite, safety protection etc. Field. When one of para-aramid resin synthesis initial does not reach steady state, there will be insufficient polymerization block material generation, in the subsequent washing filtration, block material needs to be separated, to prevent subsequent filtration equipment from being blocked, and now there is no special equipment to cause the following problems:
[0003] 1, manual separation is needed, and the production efficiency is low;
[0004] 2, manual separation material can cause hydrochloric acid to volatilize, and damage surrounding environment;
[0005] 3, manual separation material is not fine enough, and the material entering subsequent processing can block the delivery pump, and manual pump cleaning is needed, to increase labor cost;
[0006] 4, hydrochloric acid (HCL) can be generated in the polymerization of para-aramid resin, and acid-base neutralization is needed to prevent subsequent equipment from being corroded by acid. INVENTION CONTENTS
[0007] The utility model aims at: design a kind of for para-aramid resin mixture material receiving dispersion device that can automatically separate material and reach acid-base neutralization.
[0008] The utility model includes mutually connected tank and its upper cover, the upper cover is provided with feed channel, and the second spray pipe that is communicated with outside is fixed in the lower of upper cover;The inner wall on the upper part of tank is provided with protruding support ring, a group of ball grooves are provided on support ring, wherein ball is contained, and rotating grille plate is provided above support ring and ball, and waste outlet is provided on the tank above rotating grille plate upper;Motor is fixed on the upper cover, and the main shaft driven by motor is fixedly connected with rotating grille plate by passing through upper cover;The lower end of main shaft is fixed with dispersion paddle;Mixed liquor outlet is provided on the lower part of tank one side, and material emptying port is provided on the lower bottom.
[0009] Further, the front end of the feed channel is provided with the first spray pipe, and the end is provided with the spray head.
[0010] Further, the upper surface of rotating grille plate is provided with scraper matched with it, and the scraper is provided with brush at least one side;The scraper is fixedly connected with upper cover by connecting rod.
[0011] Further, the second spray pipe is composed of a middle annular spray pipe and two branch pipes communicated with the annular spray pipe, and two ends of the two branch pipes are connected with the annular spray pipe respectively.
[0012] Further, the dispersing paddle is in inverted U shape.
[0013] Further, the height of the dispersing paddle corresponds to the outlet of the mixed liquid.
[0014] Further, an ultrasonic range finder is arranged below the supporting ring.
[0015] Further, an observation window is arranged on the upper cover.
[0016] The beneficial effects of the utility model are as follows:
[0017] 1. The utility model discloses a rotating grid plate is arranged to separate normal material and blocky material, under the action of the first spray pipe and the spray head, normal material is washed into the jar below the rotating grid plate, under the action of centrifugal force, blocky material is thrown to the edge of the rotating grid plate by the motor driving rotating grid plate, and under the action of the scraper, blocky material is discharged from the waste material outlet, realizing automatic separation, preventing hydrochloric acid volatilization caused by separation, damaging the surrounding environment, saving labor cost and improving production efficiency.
[0018] 2. The bottom end of the main shaft below the rotating grid is provided with inverted U-shaped dispersing paddle, material, water and lye are effectively mixed during stirring, material acid-base neutralization is realized, subsequent processing acid liquid corrosion equipment is prevented, inverted U-shaped dispersing paddle does not easily form vortex of mixed liquid, and material acid-base neutralization reaction is more uniform. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the front view full section structure schematic diagram of the utility model;
[0020] Figure 2 It is the front view full section structure schematic diagram of the utility model; Figure 1 It is the section view of direction A-A;
[0021] Figure 3 It is the section view of direction B-B; Figure 1 It is the section view of direction B-B;
[0022] Figure 4 It is the section view of direction C; Figure 1 It is the section view of direction C;
[0023] Figure 5 It is the bottom structure schematic diagram of the rotating grid plate;
[0024] Figure 6 It is the bottom structure schematic diagram of the rotating grid plate;
[0025] Figure 7 For Figure 6 A sectional view of the D-D direction of the middle scraper;
[0026] Wherein, 1, tank body, 11, support ring, 111, ball groove, 112, ball, 12, mixed material outlet, 13, material emptying port, 14, waste material outlet, 2, rotating grid plate, 21, grid hole, 22, connecting seat, 23, ball slide rail, 3, upper cover, 4, feeding channel, 41, first spray pipe, 411, first spray hole, 42, feeding port, 43, shower head, 431, third spray hole, 5, second spray pipe, 51, second spray hole, 52, annular spray pipe, 53, branch pipe, 6, observation window, 7, scraper, 71 connecting rod, 72, brush, 8, motor, 9, main shaft, 91, dispersion paddle, 10, ultrasonic range finder, 101, highest liquid level line. DETAILED DESCRIPTION
[0027] As Figures 1-7 shown, the embodiment includes a tank body 1 and its upper cover 3 connected to each other, the inner wall of the upper part of the tank body 1 is provided with a protruding support ring 11, the support ring 11 is uniformly provided with a group of ball grooves 111 and balls 112 in the ball grooves 111, the support ring 11 and the balls 112 are provided with a rotating grid plate 2 above, the support ring 11 plays a supporting and limiting role on the rotating grid plate 2; the ultrasonic range finder 10 is fixedly arranged below the support ring 11 by bolts, which is used for detecting the liquid level height of the mixed liquid, when the liquid level of the mixed liquid reaches the height of the highest liquid level line 101, the mixed liquid can be discharged.
[0028] The rotating grid plate 2 includes a grid hole 21 and a connecting seat 22 protruding upward at the center, a key groove hole is formed in the center of the connecting seat 22 and is fixedly connected with the main shaft 9, the bottom surface edge of the rotating grid plate 2 is provided with a ball slide rail 23 matched with the balls 112, so that the rotating grid plate 2 can stably rotate relative to the tank body 1, and the grid holes 21 are uniformly distributed on the rotating grid plate 2 between the connecting seat 22 and the ball slide rail 23, so as to realize the separation of the materials.
[0029] In the embodiment, the tank body 1 above the rotating grid plate 2 is provided with a waste material outlet 14, the tank body 1 is provided with a mixed liquid outlet 12 on one side of the lower part, and a material emptying port 13 is arranged at the lower bottom, so that when the device stops production or abnormally, the tank body 1 can be emptied, without affecting the quality of the materials. The connecting seat 22 of the rotating grid plate 2 is connected with the main shaft 9 through a key, the main shaft 9 is connected with the motor shaft, and the rotating grid plate 2 can rotate relative to the tank body 1 by starting the motor 8, so as to realize the automatic separation of the materials under the action of the centrifugal force.
[0030] The upper part of the main shaft 9 is provided with an outer edge, the lower surface of which is in contact with the upper end surface of the connecting seat 22. Under the cooperation of the support ring 11 and the outer edge, the rotating grid plate 2 is axially limited and fixedly connected, thereby providing stability.
[0031] The motor 8 of the embodiment is fixedly arranged at the center position above the upper cover 3 by bolts. The motor 8 drives the main shaft 9 to pass through the upper cover 3 and is fixedly connected with the rotating grid plate 2. The lower end of the main shaft 9 is fixedly provided with a dispersion paddle 91 which is in inverted U shape and has a height corresponding to the outlet 12 of the mixed liquid, so that the mixed liquid surface is not easy to form a vortex and the material acid-base neutralization reaction is more uniform.
[0032] The upper cover 3 is further provided with a feeding channel 4 and an observation window 6. The end of the feeding channel 4 is fixedly welded with the upper cover 3 and is in communication, and a spray head 43 is arranged above the end. The third spray hole 431 of the spray head 43 is vertically downward. The front end of the feeding channel 4 is provided with a first spray pipe 41 and a feeding port 42. The first spray hole 411 of the first spray pipe 41 faces the end of the feeding channel 4. The feeding port 42 is located on the side of the first spray hole 411 relative to the first spray pipe 41. Under the action of the first spray pipe 41 and the spray head 43, the material entering the feeding port 42 can smoothly enter the tank body 1 from the feeding channel 4. The observation window 6 above the upper cover 3 is used to observe the separation of the material. If there is accumulation, the mirror cover of the observation window 6 can be opened to dredge through tools.
[0033] The second spray pipe 5 and the scraper 7 cooperating with the rotating grid plate 2 are fixed below the upper cover 3 and are in communication with the outside. The second spray pipe 5 is composed of a ring-shaped spray pipe 52 in the middle and two branch pipes 53 in communication with the ring-shaped spray pipe 52. The two ends of the two branch pipes 53 are respectively connected with the ring-shaped spray pipe 52 in communication. The ring-shaped spray pipe 52 and the branch pipes 53 are vertically downward below and uniformly provided with second spray holes 51 for spraying alkali solution, which can also assist the normal material to pass through the grid holes 21 of the rotating grid plate 2 to enter the lower part of the tank body 1 for mixing, so as to neutralize the normal material with acid and alkali.
[0034] The scraper 7 is arranged on the upper surface of the rotating grid plate 2. The lower end surface of the scraper 7 cooperates with the rotating grid plate 2 with a certain distance to prevent the scraper 7 from rubbing with the rotating grid plate 2. The scraper 7 is arranged from one side of the waste outlet 14 (according to the rotation direction of the rotating grid plate 2) to the center direction of the rotating grid plate 2. The length of the scraper 7 is adapted to the distance from the outer diameter of the rotating grid plate 2 to the connecting seat 22. The upper end of the scraper 7 is fixedly connected with the upper cover 3 through a connecting rod 71. At least one side of the lower end of the scraper 7 is provided with a brush 72 which is lower than the upper surface of the rotating grid plate 2 to prevent the grid holes 21 from being blocked.
[0035] In use, the material enters above the rotating grid plate 2 in the tank body 1 under the action of the first spray pipe 41 and the spray head 43. The normal material passes through the grid hole 21, and the lumped material is rotated by the rotating grid plate 2 driven by the motor 8, and is thrown to the edge of the rotating grid plate 2 by the centrifugal force, and is discharged from the waste outlet 14 under the action of the scraper 7. The second spray pipe 5 sprays lye to assist the normal material to pass through the grid hole 21. The normal material, water and lye are stirred by the motor 8 to drive the dispersion paddle 91 below the rotating grid plate 2 in the tank body 1, so that the normal material is neutralized by acid and alkali. When the mixed liquid surface reaches the height of the highest liquid surface line 101, the ultrasonic range finder 10 senses and opens the mixed liquid outlet 12. At this time, the total number of the mixed liquid outlet 12 is balanced with the total number of the inlet of the tank body 1, which plays a role in maintaining the liquid level, so that the mixed liquid outlet 12 remains open to realize continuous work and improve the work efficiency.
Claims
1. An apparatus for dispersing aramid resin mixtures comprising a tank body and its lid connected to each other, characterized in that: The upper cover is provided with a feeding channel, and a second spraying pipe communicated with the outside is fixed below the upper cover; a protruding supporting ring is arranged on the inner wall of the upper part of the tank body, a group of ball grooves containing balls are arranged on the supporting ring, a rotating grid plate is arranged above the supporting ring and the balls, a waste outlet is arranged above the rotating grid plate; a motor is fixed above the upper cover, a main shaft driven by the motor is fixedly connected with the rotating grid plate through the upper cover, and a dispersing paddle is fixed to the lower end of the main shaft; a mixed liquid outlet is arranged on one side of the lower part of the tank body, and a material emptying port is arranged on the lower bottom.
2. The apparatus for dispersing aramid resin mixtures according to claim 1, wherein: The front end of the feeding channel is provided with a first spraying pipe, and the tail end is provided with a spraying head.
3. The apparatus for dispersing aramid resin mixtures according to claim 1 or 2, wherein: A scraper matched with the rotating grid plate is arranged on the upper surface of the rotating grid plate, and a brush is arranged on at least one side of the scraper; the scraper is fixedly connected with the upper cover through a connecting rod.
4. The apparatus for dispersing aramid resin mixtures according to claim 1 or 2, wherein: The second spraying pipe is composed of a ring-shaped spraying pipe in the middle and two branch pipes communicated with the ring-shaped spraying pipe, and the two ends of the two branch pipes are connected with the ring-shaped spraying pipe respectively.
5. The apparatus for dispersing aramid resin mixtures according to claim 1 or 2, wherein: The dispersing paddle is in an inverted U shape.
6. The apparatus for dispersing aramid resin mixtures according to claim 5, wherein: The height of the dispersing paddle corresponds to the mixed liquid outlet.
7. The apparatus for dispersing aramid resin mixtures according to claim 1 or 2, wherein: An ultrasonic range finder is arranged below the supporting ring.
8. The apparatus for dispersing aramid resin mixtures according to claim 1 or 2, wherein: An observation window is arranged on the upper cover.