Micro-air-pressure feeding device

Abstract

The utility model discloses a micro-air-pressure feeding device. The micro-air-pressure feeding device comprises a reaction kettle and a feeder, a mounting plate is arranged on one side of the top end of the reaction kettle, a supporting frame is arranged at the top end of the mounting plate, a feeder is arranged at the top end of the supporting frame, and a feeding structure is arranged in the feeder; a vibration structure is arranged on one side of the feeder, and the feeding structure comprises a control pressure gauge, an automatic feeding valve, a nitrogen supply valve, a bottom valve, an annular porous coil pipe material, a material level sensor and a discharging hole. By using the feeder, an additive can be stored, when the amount of the additive reaches the position of the material level sensor, the automatic feeding valve is closed, the nitrogen supply valve is opened, when the pressure in the feeder reaches 0.5 mpa, the nitrogen supply valve is closed, and the bottom valve is opened at the same time, so that the additive enters the annular porous coil pipe in the kettle to be sprayed; due to the fact that the annular discharging holes are formed in the bottom end of the annular porous coil pipe, annular material spraying is achieved during material spraying, and the material mixing effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester resin processing, in particular to a micro-air pressure feeding device. Background Art

[0002] Polyester resin is a product produced by polycondensation and addition polymerization of dibasic acid and diol. In the synthesis process of polyester resin, it usually involves the use of a variety of raw materials and additives. At the end of the polyester resin synthesis reaction, different types of trace additives need to be added to ensure product quality and do not change its performance during long storage time.

[0003] However, since trace additives are added at the end of the reaction, the polyester resin synthesis has been basically completed at this time, and the product state is a viscous liquid, it is difficult to completely mix the trace additives added at this time into the product, especially 45m 3 The above reactors have a large capacity and always have dead corners in mixing, resulting in unstable product quality. Therefore, a micro-pressure feeding device is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a micro-air pressure feeding device to solve the defect that when adding a trace amount of additives into a reaction kettle during synthesis of existing polyester resin, it is difficult to completely mix the additives into the product.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a micro-air pressure feeding device, comprising a reactor and a feeder; a mounting plate is arranged on one side of the top of the reactor, a support frame is arranged on the top of the mounting plate, a feeder is arranged on the top of the support frame, and a feeding structure is arranged inside the feeder; a vibration structure is arranged on one side of the feeder, and the feeding structure comprises a control pressure gauge, an automatic feeding valve, a nitrogen supply valve, a bottom valve, an annular porous coil material, a material level sensor and a discharge hole, and the control pressure gauge is arranged on one side of the top of the feeder.

[0006] Preferably, the automatic feeding valve is arranged at the top of the feeder, a nitrogen supply valve is arranged at the top of one side of the feeder, the material level sensor is arranged on one side inside the feeder, the bottom valve is arranged at the bottom end of the feeder, the annular porous coil material is arranged at the top inside the reactor, a discharge hole is arranged at the bottom end of the annular porous coil material, and the top end of the annular porous coil material is connected to the bottom end of the bottom valve.

[0007] Preferably, a plurality of discharge holes are provided, and the plurality of discharge holes are distributed in a ring shape at the bottom end of the annular porous coil material.

[0008] Preferably, the vibration structure includes a warehouse wall vibrator, a mounting block, a mounting groove, a spring, a plug, a warehouse wall vibration plate, a mounting hole and a slot, the mounting block is arranged on one side of the feeder, a slot is opened inside the mounting block, a warehouse wall vibration plate is arranged inside the slot, a warehouse wall vibrator is arranged on one side of the warehouse wall vibration plate, the mounting groove is opened on both sides inside the mounting block, a spring is arranged inside the mounting groove, a plug is arranged at one end of the spring, and the mounting holes are opened on both sides of the warehouse wall vibration plate.

[0009] Preferably, the inner diameter of the mounting hole is larger than the outer diameter of the plug post, and an insertion structure is formed between the mounting hole and the plug post.

[0010] Preferably, one end of the spring is connected to one end of the plug post, and a telescopic structure is formed between the spring and the plug post.

[0011] Preferably, the plug posts are provided in two groups, and the two groups of the plug posts are symmetrically distributed inside the mounting block.

[0012] The utility model provides a micro-air pressure feeding device, which has the advantages of:

[0013] By using the feeder, additives can be stored. When the amount of additive reaches the position of the material level sensor, the automatic feeding valve is closed and the nitrogen supply valve is opened. When the pressure in the feeder reaches 0.5 MPa, the nitrogen supply valve is closed and the bottom valve is opened at the same time to allow the additive to enter the circular porous coil material in the kettle for spraying. Since the bottom end of the circular porous coil material is provided with a circular discharge hole, the material is sprayed in a circular shape, which makes the mixing effect better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 It is a side view structural schematic diagram of the utility model;

[0017] Figure 4 This is a schematic diagram of the partial structure of the feeding structure of the utility model when viewed from above;

[0018] Figure 5 For the utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] In the figure: 1. Reactor; 2. Feeder; 3. Feeding structure; 301. Control pressure gauge; 302. Automatic feeding valve; 303. Nitrogen supply valve; 304. Bottom valve; 305. Annular porous coil material; 306. Material level sensor; 307. Discharge hole; 4. Support frame; 5. Mounting plate; 6. Vibration structure; 601. Silo wall vibrator; 602. Mounting block; 603. Mounting groove; 604. Spring; 605. Plug column; 606. Silo wall vibration plate; 607. Mounting hole; 608. Slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The present utility model provides a micro-pressure feeding device, such as Figure 1-Figure 5 As shown, a micro-air pressure feeding device comprises a reaction kettle 1 and a feeder 2; a mounting plate 5 is arranged on one side of the top of the reaction kettle 1, a support frame 4 is arranged on the top of the mounting plate 5, a feeder 2 is arranged on the top of the support frame 4, a feeding structure 3 is arranged inside the feeder 2; a vibration structure 6 is arranged on one side of the feeder 2

[0022] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the feeding structure 3 includes a control pressure gauge 301, an automatic feeding valve 302, a nitrogen supply valve 303, a bottom valve 304, a circular multi-hole coil material 305, a material level sensor 306 and a discharge hole 307, wherein the control pressure gauge 301 is arranged on one side of the top of the feeder 2, the automatic feeding valve 302 is arranged on the top of the feeder 2, the top of one side of the feeder 2 is provided with a nitrogen supply valve 303, and the material level sensor 306 is arranged on the top of the feeder 2. On one side of the feeder 2, the bottom valve 304 is arranged at the bottom end of the feeder 2, the annular porous coil material 305 is arranged at the top end of the reactor 1, and the bottom end of the annular porous coil material 305 is provided with a discharge hole 307, the top end of the annular porous coil material 305 is connected to the bottom end of the bottom valve 304, and there are a plurality of discharge holes 307, and the plurality of discharge holes 307 are distributed in a ring shape at the bottom end of the annular porous coil material 305.

[0023] Specifically, in this embodiment: before spraying, the circular porous coil material 305 is installed at the top 28cm inside the reactor 1. After the installation is completed, the additive can be stored by using the feeder 2. When the additive amount is injected into the position of the material level sensor 306 inside the feeder 2 through the automatic feeding valve 302, the automatic feeding valve 302 is closed and the nitrogen supply valve 303 is opened. When the pressure in the feeder 2 reaches 0.5 MPa, the nitrogen supply valve 303 is closed and the bottom valve 304 is opened at the same time, so that the additive enters the circular porous coil material 305 in the reactor for spraying. Since the bottom end of the circular porous coil material 305 is provided with an annular discharge hole 307, it is sprayed in an annular shape during spraying, so that the mixing effect is better.

[0024] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the vibration structure 6 includes a warehouse wall vibrator 601, a mounting block 602, a mounting slot 603, a spring 604, a plug post 605, a warehouse wall vibration plate 606, a mounting hole 607 and a slot 608. The mounting block 602 is arranged on one side of the feeder 2. A slot 608 is provided inside the mounting block 602. A warehouse wall vibration plate 606 is provided inside the slot 608. A warehouse wall vibrator 601 is provided on one side of the warehouse wall vibration plate 606. The mounting slot 603 is provided on both sides of the mounting block 602. 03 is provided with a spring 604 inside, and a plug post 605 is provided at one end of the spring 604. The mounting holes 607 are opened on both sides of the warehouse wall vibration plate 606. The inner diameter of the mounting hole 607 is larger than the outer diameter of the plug post 605. An insertion structure is formed between the mounting hole 607 and the plug post 605. One end of the spring 604 is connected to one end of the plug post 605. A telescopic structure is formed between the spring 604 and the plug post 605. Two groups of the plug posts 605 are provided, and the two groups of the plug posts 605 are symmetrically distributed inside the mounting block 602.

[0025] Specifically, in this embodiment, when the feeder 2 is discharging material, the silo wall vibrator 601 is started to vibrate the feeder 2, which can not only shake off the additives on the inner wall of the feeder 2, but also prevent the additives from being blocked inside the feeder 2. When installing the silo wall vibrator 601, it is only necessary to insert the silo wall vibration plate 606 on one side of the silo wall vibrator 601 into the interior of the slot 608, and then use the spring 604 to push the plug 605 into the interior of the mounting hole 607, so as to complete the installation of the silo wall vibrator (601), making it more convenient to install.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A micro-pressure feeding device, comprising a reaction kettle (1) and a feeder (2); Features: A mounting plate (5) is arranged on one side of the top of the reaction kettle (1), a support frame (4) is arranged on the top of the mounting plate (5), a feeder (2) is arranged on the top of the support frame (4), and a feeding structure (3) is arranged inside the feeder (2); A vibration structure (6) is provided on one side of the feeder (2); the feed structure (3) comprises a control pressure gauge (301), an automatic feed valve (302), a nitrogen supply valve (303), a bottom valve (304), an annular multi-hole coil material (305), a material level sensor (306) and a discharge hole (307); the control pressure gauge (301) is provided on one side of the top end of the feeder (2).

2. A micro-air pressure feeding device according to claim 1, characterized in that: The automatic feeding valve (302) is arranged at the top of the feeder (2), a nitrogen supply valve (303) is arranged at the top of one side of the feeder (2), the material level sensor (306) is arranged at one side inside the feeder (2), the bottom valve (304) is arranged at the bottom end of the feeder (2), the annular porous coil material (305) is arranged at the top of the inside of the reactor (1), a discharge hole (307) is arranged at the bottom end of the annular porous coil material (305), and the top end of the annular porous coil material (305) is connected to the bottom end of the bottom valve (304).

3. A micro-air pressure feeding device according to claim 2, characterized in that: A plurality of discharge holes (307) are provided, and the plurality of discharge holes (307) are distributed in an annular shape at the bottom end of the annular porous coil material (305).

4. A micro-air pressure feeding device according to claim 1, characterized in that: The vibration structure (6) comprises a warehouse wall vibrator (601), a mounting block (602), a mounting groove (603), a spring (604), a plug post (605), a warehouse wall vibration plate (606), a mounting hole (607) and a slot (608); the mounting block (602) is arranged on one side of the feeder (2); a slot (608) is provided inside the mounting block (602); a warehouse wall vibration plate (606) is provided inside the slot (608); a warehouse wall vibrator (601) is provided on one side of the warehouse wall vibration plate (606); the mounting groove (603) is provided on both sides inside the mounting block (602); a spring (604) is provided inside the mounting groove (603); a plug post (605) is provided at one end of the spring (604); and the mounting hole (607) is provided on both sides of the warehouse wall vibration plate (606).

5. A micro-air pressure feeding device according to claim 4, characterized in that: The inner diameter of the mounting hole (607) is greater than the outer diameter of the plug post (605), and an insertion structure is formed between the mounting hole (607) and the plug post (605).

6. A micro-air pressure feeding device according to claim 4, characterized in that: One end of the spring (604) is connected to one end of the plug post (605), and a telescopic structure is formed between the spring (604) and the plug post (605).

7. A micro-air pressure feeding device according to claim 4, characterized in that: The plug posts (605) are provided in two groups, and the two groups of the plug posts (605) are symmetrically distributed inside the mounting block (602).

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