CN215877929U - Reation kettle is used in pyromellitic acid crystallization - Google Patents

Abstract

The utility model provides a reaction kettle for pyromellitic acid crystallization, which comprises a reaction kettle, wherein the upper end of the reaction kettle is in threaded connection with a reaction kettle cover; the motor is fixedly connected to the upper end of the reaction kettle cover; the stirring blade is fixedly connected to the output end of the motor; the scraping mechanism is connected with the inner wall of the reaction kettle to scrape crystals and comprises a scraping plate and two screw rods, the two screw rods are rotatably connected with the lower end of the reaction kettle cover, and the scraping plate is in threaded connection with the circumferential surfaces of the two screw rods through two screw rod nuts; actuating mechanism, actuating mechanism are connected with two lead screws and motor respectively and drive in order to realize two lead screws and stirring leaf, scrape the flitch and can scrape the material to reation kettle's inner wall in this device, prevent that the crystallization from attaching the circumference inner wall at reation kettle and do not get the material well.

Description

Reation kettle is used in pyromellitic acid crystallization

Technical Field

The utility model belongs to the technical field of reaction kettles, and particularly relates to a reaction kettle for pyromellitic acid crystallization.

Background

The broad understanding of the reaction kettle is that the reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container. The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, food and the like, and is a pressure container for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as a reactor, a reaction pot, a decomposition pot, a polymerization kettle and the like; the material is generally carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloy and other composite materials.

When pyromellitic acid is crystallized in the reaction kettle, the crystal is easily attached to the inner wall of the reaction kettle, and difficulty is caused when a user takes materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reaction kettle for pyromellitic acid crystallization, and aims to solve the problem that crystals are easily attached to the inner wall of the reaction kettle and cause difficulty in taking materials by a user when pyromellitic acid in the prior art is reacted and crystallized in the reaction kettle.

In order to achieve the purpose, the utility model provides the following technical scheme:

a pyromellitic acid crystallization reaction kettle comprises:

the upper end of the reaction kettle is in threaded connection with a reaction kettle cover;

the motor is fixedly connected to the upper end of the reaction kettle cover;

the stirring blade is fixedly connected to the output end of the motor;

the scraping mechanism is connected with the inner wall of the reaction kettle to scrape crystals and comprises a scraping plate and two screw rods, the two screw rods are rotatably connected with the lower end of the reaction kettle cover, and the scraping plate is in threaded connection with the circumferential surfaces of the two screw rods through two screw rod nuts;

and the driving mechanism is respectively connected with the two screw rods and the motor so as to realize simultaneous driving of the two screw rods and the stirring blade.

As a preferable scheme of the present invention, the driving mechanism includes a driving gear, a toothed belt and two driven gears, the two driven gears are disposed at the upper end of the reaction kettle cover, the two driven gears are respectively and fixedly connected to the upper ends of the two lead screws, the driving gear is fixedly connected to the circumferential surface of the motor, and the toothed belt is in meshing transmission connection with the circumferential surfaces of the two driven gears and the driving gear.

As a preferred scheme of the utility model, the inner wall of the reaction kettle is provided with two limiting grooves, the circumferential surface of the scraping plate is fixedly connected with limiting blocks, and the two limiting blocks are respectively connected in the limiting grooves in a sliding manner.

As a preferable scheme of the utility model, the lower end of the reaction kettle is provided with a discharge hole, and a valve is arranged in the discharge hole.

As a preferable scheme of the utility model, the upper end of the reaction kettle cover is provided with two feed inlets, and the circumferential surfaces of the two feed inlets are both in threaded connection with a feed inlet cover.

As a preferable scheme of the utility model, the lower part of the circumferential surface of the reaction kettle is fixedly connected with a base.

Compared with the prior art, the utility model has the beneficial effects that:

1. starter motor in this scheme, the motor drives stirring leaf and driving gear rotation, and along with the rotation of driving gear, the cingulum drives two driven gear and begins to rotate, and two driven gear drive two lead screws and rotate, along with the rotation of two lead screws, scrape the flitch and remove downwards, scrape the crystal of flitch with reation kettle circumference inner wall and scrape and fall, prevent that the crystal from attaching the circumference inner wall at reation kettle, this device person of facilitating the use scrapes the material to pyromellitic acid crystallization and gets the material.

2. When the motor starts in this scheme, the stirring leaf rotates along with the motor, and the stirring leaf stirs the material in the reation kettle for the material stirring in the reation kettle is more even, and the crystallization efficiency of pyromellitic acid is higher.

3. The upper end of reation kettle lid is provided with feed inlet and feed inlet lid in this scheme, and during the reation kettle reaction, can one feed in to reation kettle through the feed inlet for reinforced more simple and convenient that becomes, feed inlet lid can prevent that external impurity from going into reation kettle in, influence pyromellitic acid crystallization.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a partial enlarged view of fig. 2 at a in the present invention.

In the figure: 1. a reaction kettle; 2. a base; 3. a reaction kettle cover; 4. a feed inlet; 5. a feed inlet cover; 6. a toothed belt; 7. a driven gear; 8. a motor; 9. a screw rod; 10. a scraping plate; 11. stirring blades; 12. a driving gear; 13. and (4) a discharge port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions:

a pyromellitic acid crystallization reaction kettle comprises:

the reaction kettle 1 is connected with a reaction kettle cover 3 through a thread at the upper end of the reaction kettle 1;

the motor 8, the motor 8 is fixedly connected to the upper end of the reaction kettle cover 3;

the stirring blade 11 is fixedly connected to the output end of the motor 8;

the scraping mechanism is connected with the inner wall of the reaction kettle 1 to scrape crystals and comprises a scraping plate 10 and two screw rods 9, the two screw rods 9 are rotatably connected with the lower end of the reaction kettle cover 3, and the scraping plate 10 is in threaded connection with the circumferential surfaces of the two screw rods 9 through two screw rod nuts;

and the driving mechanism is respectively connected with the two screw rods 9 and the motor 8 so as to realize the simultaneous driving of the two screw rods 9 and the stirring blade 11.

In the embodiment of the utility model, the motor 8 is started, the motor 8 drives the stirring blade 11 and the driving gear 12 to rotate, the toothed belt 6 drives the two driven gears 7 to start rotating along with the rotation of the driving gear 12, the two driven gears 7 drive the two screw rods 9 to rotate, the scraping plate 10 moves downwards along with the rotation of the two screw rods 9, the scraping plate 10 scrapes off crystals on the circumferential inner wall of the reaction kettle 1 to prevent the crystals from attaching on the circumferential inner wall of the reaction kettle 1, a user can conveniently scrape and take materials of pyromellitic acid crystals, the stirring blade 11 rotates along with the motor 8 when the motor 8 is started, the stirring blade 11 stirs materials in the reaction kettle 1, so that the materials in the reaction kettle 1 are stirred more uniformly, the crystallization efficiency of the pyromellitic acid is higher, the upper end of the reaction kettle cover 3 is provided with the feeding port 4 and the feeding port cover 5, during the reaction of the reaction kettle, can be one reinforced in to reation kettle 1 through feed inlet 4 for reinforced simple and convenient more that becomes, feed inlet lid 5 can prevent that external impurity from entering reation kettle 1 in, influence the crystallization of pyromellitic acid, scrape flitch 10 in this device and can scrape the material to reation kettle 1's inner wall, prevent that the crystallization from attaching the circumference inner wall of reation kettle 1 and do not get the material well, need explain: the specific type of the motor 8 is selected by a person skilled in the art, and the motor 8 and the like are in the prior art, and the detailed description thereof is omitted.

Specifically, referring to fig. 1, the driving mechanism includes a driving gear 12, a toothed belt 6 and two driven gears 7, the two driven gears 7 are disposed at the upper end of the reaction kettle cover 3, the two driven gears 7 are respectively and fixedly connected to the upper ends of the two lead screws 9, the driving gear 12 is fixedly connected to the circumferential surface of the motor 8, and the toothed belt 6 is in meshing transmission connection with the circumferential surfaces of the two driven gears 7 and the driving gear 12.

In this embodiment: starting motor 8, motor 8 drive stirring leaf 11 and driving gear 12 rotate, and along with the rotation of driving gear 12, cingulum 6 drives two driven gear 7 and begins to rotate, and two driven gear 7 drive two lead screws 9 and rotate, and this device only needs a motor 8 both can drive stirring leaf 11 and lead screw 9 and rotate simultaneously.

Specifically, referring to fig. 2, two limiting grooves are formed in the inner wall of the reaction kettle 1, limiting blocks are fixedly connected to the circumferential surface of the scraping plate 10, and the two limiting blocks are respectively connected to the limiting grooves in a sliding manner.

In this embodiment: two stopper difference sliding connection are in the spacing inslot, can restrict the position of scraping flitch 10, prevent to scrape flitch 10 and take place to rock at the removal in-process.

Specifically, referring to fig. 2, a discharge port 13 is disposed at the lower end of the reaction kettle 1, and a valve is installed in the discharge port 13.

In this embodiment: the valve can facilitate a user to take out the crystal in the reaction kettle 1.

Specifically, referring to fig. 1, two feed inlets 4 are provided at the upper end of the reaction vessel cover 3, and the circumferential surfaces of the two feed inlets 4 are both in threaded connection with a feed inlet cover 5.

In this embodiment: during the reation kettle reaction, can be one reinforced in to reation kettle 1 through feed inlet 4 for reinforced simple and convenient more that becomes, feed inlet lid 5 can prevent that external impurity from entering reation kettle 1 in, influence pyromellitic acid crystallization.

Specifically, referring to fig. 1, a base 2 is fixedly connected to the lower portion of the circumferential surface of a reaction vessel 1.

In this embodiment: base 2 can support reation kettle 1, conveniently gets the material through discharge gate 13.

The working principle and the using process of the utility model are as follows: starting a motor 8, driving a stirring blade 11 and a driving gear 12 to rotate by the motor 8, driving two driven gears 7 to rotate by a toothed belt 6 along with the rotation of the driving gear 12, driving two screw rods 9 to rotate by the two driven gears 7, driving two screw rods 9 to rotate along with the rotation of the two screw rods 9, driving a scraper plate 10 to move downwards, scraping crystals on the circumferential inner wall of a reaction kettle 1 by the scraper plate 10, preventing the crystals from being attached on the circumferential inner wall of the reaction kettle 1, facilitating a user to scrape and take materials for pyromellitic acid crystals, rotating the stirring blade 11 along with the motor 8 when the motor 8 is started, stirring materials in the reaction kettle 1 by the stirring blade 11, enabling the materials in the reaction kettle 1 to be stirred more uniformly, improving the crystallization efficiency of the pyromellitic acid, arranging a feed inlet 4 and a feed inlet cover 5 at the upper end of a reaction kettle cover 3, feeding materials in the reaction kettle 1 through the feed inlet 4 during the reaction period of the reaction kettle, make reinforced simple and convenient more that becomes, feed inlet lid 5 can prevent that external impurity from entering reation kettle 1 in, influence pyromellitic acid crystallization, scrape flitch 10 in this device and can scrape the material to reation kettle 1's inner wall, prevent that the crystallization from attaching to get the material well at reation kettle 1's circumference inner wall.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a pyromellitic acid is reation kettle for crystallization which characterized in that includes: the reaction kettle (1), the upper end of the reaction kettle (1) is connected with a reaction kettle cover (3) in a threaded manner; the motor (8), the said motor (8) is fixedly connected to the upper end of the reactor cover (3); the stirring blade (11), the said stirring blade (11) is fixedly connected to the output end of the motor (8); the scraping mechanism is connected with the inner wall of the reaction kettle (1) to scrape crystals, the scraping mechanism comprises a scraping plate (10) and two lead screws (9), the two lead screws (9) are rotatably connected with the lower end of the reaction kettle cover (3), and the scraping plate (10) is in threaded connection with the circumferential surfaces of the two lead screws (9) through two lead screw nuts; and the driving mechanism is respectively connected with the two screw rods (9) and the motor (8) to realize the simultaneous driving of the two screw rods (9) and the stirring blade (11).

2. The reactor according to claim 1, wherein the reactor comprises: actuating mechanism includes driving gear (12), cingulum (6) and two driven gear (7), two driven gear (7) all set up in the upper end of reation kettle lid (3), and two driven gear (7) respectively fixed connection in the upper end of two lead screws (9), driving gear (12) fixed connection is in the circumferential surface of motor (8), cingulum (6) meshing transmission is connected in the circumferential surface of two driven gear (7) and driving gear (12).

3. The reactor according to claim 2, wherein the reactor comprises: two limiting grooves are formed in the inner wall of the reaction kettle (1), limiting blocks are fixedly connected to the circumferential surface of the scraping plate (10), and the limiting blocks are connected to the limiting grooves in a sliding mode respectively.

4. The reactor according to claim 3, wherein the reaction vessel comprises: the lower extreme of reation kettle (1) is provided with discharge gate (13), install the valve in discharge gate (13).

5. The reactor according to claim 4, wherein the reaction vessel comprises: the upper end of reation kettle lid (3) is provided with two feed inlets (4), two equal threaded connection in circumference surface of feed inlet (4) has feed inlet lid (5).

6. The reactor according to claim 5, wherein the reaction vessel comprises: the lower part of the circumferential surface of the reaction kettle (1) is fixedly connected with a base (2).

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