CN210556984U

CN210556984U - Buffer tank for producing diisooctyl phenyl phosphite

Info

Publication number: CN210556984U
Application number: CN201921035731.4U
Authority: CN
Inventors: 胡全胜; 余新伟; 胡伟炳
Original assignee: Changhe Chemical New Material Jiangsu Co ltd
Current assignee: Changhe Chemical New Material Jiangsu Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-19
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a buffer tank for producing diisooctyl phenyl phosphite, which comprises a cylindrical buffer tank body, a supporting plate component for supporting the buffer tank body and a conical cone top positioned at the top of the buffer tank body; the bottom and the upper part of the side wall of the buffer tank body are respectively provided with a plurality of groups of liquid level meter ports for placing liquid level meters and at least one group of liquid level meter standby ports; a radar liquid level meter port for placing a radar liquid level meter is arranged on the conical top; and a certain angle is formed between the bottom plate of the buffer tank and the supporting plate component. The liquid level meter ports of the utility model are used for measuring the liquid level height in the buffer tank at multiple points; the radar liquid level meter enables the measured liquid level to be more accurate; the liquid level meter standby port and the radar liquid level meter standby port are additionally arranged, so that the accuracy of the original liquid level meter is conveniently verified, and the liquid level meter is timely replaced. In addition, the angle that exists between buffer tank bottom plate and the supporting plate subassembly does benefit to the clear jar of liquid exhaustion in the jar, indirect improvement mono benzene diisooctyl phosphite's product quality.

Description

Buffer tank for producing diisooctyl phenyl phosphite

Technical Field

The utility model relates to a buffer tank of phosphorous acid di-iso-octyl benzene production usefulness.

Background

The diisooctyl phenyl phosphite is a colorless transparent liquid with slight alcohol smell, is mainly used as a polyvinyl chloride plastic chelating agent, and is an auxiliary antioxidant widely applied to polyolefin, ABS, polyester and rubber. Due to its low toxicity, it is also used in medical and edible plastic products, and is not in demand in domestic market.

The industrial production of the benzene diisooctyl phosphite is generally carried out by reacting phenol and phosphorus trichloride in the presence of a catalyst to generate triphenyl phosphite, and then carrying out ester exchange between the triphenyl phosphite and isooctyl alcohol in the presence of a catalyst to generate benzene diisooctyl pentaphosphate; the product is separated by high vacuum distillation to obtain refined product of the phthalic diisooctyl phosphite. The method has the defects of complex operation, large equipment investment, high reaction temperature, long time, low production capacity and the like. Therefore, a new process for synthesizing the diisooctyl monobenzene phosphite is reported in literature, the diisooctyl monobenzene phosphite is synthesized by a water phase method, the product yield is more than 85 percent, the product quality completely reaches the index, the production cost is reduced compared with the traditional process, the problems that the product produced by the traditional process has pungent smell and the like are solved, and a practical synthesis route is provided for producing the diisooctyl monobenzene phosphite. No matter traditional mode of production or new synthesis technology for the buffer tank that material storage was detained all is indispensable equipment in the production process, and buffer tank liquid level control is the key of guaranteeing the air-tight transport, reducing the loss, and current buffer tank generally adopts tuning fork vibrating, magnetism suspension or pressure type level gauge to control the liquid level in the buffer tank, and this kind of method often can have the inaccurate problem of survey, and the leading reason is as follows: 1. the liquid level in the tank changes due to unbalanced and large fluctuation of the incoming materials, and the liquid level is difficult to accurately measure due to the fact that the liquid level meter is the height of the liquid in the point test buffer tank; 2. the separation of the incoming materials is not clean, and the materials are provided with dissolved gas, so that the liquid-gas separation area is easily foamed, the interface is fuzzy, and the liquid level meter cannot accurately measure the liquid level. In addition, if the liquid level meter used for a long time is damaged, the measurement is inaccurate, or the liquid level meter is damaged and fails, the accuracy of the liquid level meter cannot be verified in time, and the liquid level meter cannot be replaced in time. In addition, the existing buffer tank is horizontally arranged, so that the material liquid in a shop is difficult to drain, and particularly, the accumulated dirty liquid at the bottom of the tank causes adverse effects on the product quality. It is therefore necessary to design the existing surge tank to solve the above problems.

Disclosure of Invention

To the problem that current buffer tank exists, the utility model provides a buffer tank of di-isooctyl phosphite production usefulness, its bottom has certain angle, and is equipped with reserve mouth, in time verifies and changes the level gauge, adopts the radar level gauge of installing additional simultaneously, liquid level height in the accurate survey buffer tank. The specific technical scheme is as follows:

a buffer tank for producing diisooctyl phenyl phosphite comprises a cylindrical buffer tank body, a supporting plate component for supporting the buffer tank body and a conical top positioned at the top of the buffer tank body; the bottom and the upper part of the side wall of the buffer tank body are respectively provided with a plurality of groups of liquid level meter ports for placing liquid level meters and at least one group of liquid level meter standby ports; a radar liquid level meter port for placing a radar liquid level meter is arranged on the conical top; and a certain angle is formed between the bottom plate of the buffer tank and the supporting plate component.

Preferably, the buffer tank for producing the diisooctyl phenyl phosphite is characterized in that two groups of liquid level meter openings are arranged at the bottom and the upper part of the side wall of the buffer tank at the same horizontal position, and the liquid level meter opening at the upper part and the liquid level meter opening at the lower part are on the same vertical line. Preferably, the liquid level meter standby port is positioned at the lower part of the buffer tank body and is positioned on the same horizontal line with the liquid level meter port at the lower part.

Further preferably, the buffer tank for producing the diisooctyl phenyl phosphite is provided with a radar liquid level meter standby port on the cone top, and the liquid level meter standby port and the radar liquid level meter standby port are both provided with flange covers.

Preferably, the support plate assembly is horizontally arranged, a bottom plate of the buffer tank body inclines to one side, and the inclination angle is 1.5 °.

The buffer tank for producing the diisooctyl phenyl phosphite is characterized in that the bottom of the side wall of the buffer tank body is located at the top position of the inclination angle, a sewage draining outlet is formed in the position, on the upper side of the sewage draining outlet, a temperature measuring port for placing a thermometer is formed in the position close to the sewage draining outlet.

In the buffer tank for producing the diisooctyl benzene phosphite, the feed inlet of the buffer tank for producing the diisooctyl benzene phosphite is positioned at the conical top and extends into the bottom of the buffer tank body through the feed inner extension pipe.

Preferably, the buffer tank for producing the diisooctyl phenyl phosphite is provided with a reinforcing rib made of channel steel; the cone top framework is formed by angle steel, and is also provided with an air guide port and an inlet hole.

Preferably, the buffer tank for producing the diisooctyl phenyl phosphite further comprises a ladder and a fence which are independently designed and used for manually climbing the conical top.

The utility model has the advantages that:

compared with the existing buffer tank, the utility model designs a plurality of liquid level meter ports, measures the liquid level height in the buffer tank in multiple points, and is provided with the radar liquid level meter on the cone top, so that the measured liquid level is more accurate; the utility model adopts an additional liquid level meter standby port and a radar liquid level meter standby port to conveniently verify the accuracy of the original liquid level meter and timely replace the damaged liquid level meter; furthermore, the utility model discloses there is certain angle between the buffer tank bottom plate of buffer tank and the supporting plate subassembly, forms the liquid stream slope, does benefit to jar interior liquid and arranges to the greatest extent to reach the purpose of thoroughly clearing the jar, the indirect product quality that improves the di-iso-octyl phosphite.

Drawings

FIG. 1 is a schematic structural view of a buffer tank for the production of di-isooctyl monobenzene phosphite of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural diagram of the support plate assembly of the present invention.

In the figure: 1. a buffer tank body; 101. a buffer tank bottom plate; 2. a support plate assembly; 3. a cone top; 301. a tapered skeleton; 4. a level gauge port; 5. a standby port of the liquid level meter; 6. a radar level gauge port; 7. a radar level gauge backup port; 8. a sewage draining outlet; 9. a discharge port; 10. a feed inlet; 11. feeding an inner extension pipe; 12. a temperature measuring port; 13. an air guide port; 14. an access hole; 15. reinforcing ribs; 16. ladder, rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The specific embodiment is as follows:

referring to fig. 1 to 3, a buffer tank for the production of diisooctyl phenyl phosphite comprises a cylindrical buffer tank body 1, a supporting plate component 2 for supporting the buffer tank body 1 and a conical top 3 positioned at the top of the buffer tank body 1; the bottom and the upper part of the side wall of the buffer tank body 1 are respectively provided with a plurality of groups of liquid level meter ports 4 for placing liquid level meters and at least one group of liquid level meter standby ports 5; a radar liquid level meter port 6 for placing a radar liquid level meter is arranged on the cone top 3; and a certain angle is formed between the bottom plate 101 of the buffer tank 1 and the support plate component 2. The plurality of liquid level meter ports 4 are used for measuring the liquid level height in the buffer tank at multiple points, and the radar liquid level meter 6 arranged on the cone top 3 is used for measuring the liquid level more accurately; an additional standby port 5 of the liquid level meter is used for conveniently verifying the accuracy of the original liquid level meter and replacing the damaged liquid level meter in time; the angle between the buffer tank bottom plate 101 of the buffer tank and the supporting plate component 2 is to form a liquid flow gradient, so that liquid in the tank is favorably drained, the aim of thoroughly cleaning the tank is fulfilled, and the product quality of the diisooctyl phenyl phosphite is indirectly improved.

In this embodiment, all be equipped with two sets of level gauge mouths 4 that lead to on the same horizontal position in bottom and the upper portion of the buffer tank body 1 lateral wall, and level gauge mouth 4 on upper portion and level gauge mouth 4 of lower part are on same plumb line. And the standby liquid level meter port 5 is positioned at the lower part of the buffer tank body 1 and is positioned on the same horizontal line with the liquid level meter port 4 at the lower part. In addition, this implementation the buffer tank of phosphorous acid di-iso-octyl benzene phosphate production usefulness, also be equipped with radar level gauge spare mouth 7 on its conical tip 3, all be equipped with the blind flange on level gauge spare mouth 5 and the radar level gauge spare mouth 7.

In the present embodiment, the support plate assembly 2 is horizontally disposed, and the bottom plate 101 of the surge tank 1 is inclined to one side, and the inclination angle is preferably 1.5 °.

This embodiment buffer tank of mono-phenyl diisooctyl phosphite production usefulness, 1 lateral wall bottom of the buffer tank body is located the top position department at angle of inclination, is equipped with

drain

8, 8 upsides in the drain are equipped with discharge gate 9, near discharge gate 9 is equipped with the temperature measurement mouth 12 that is used for placing the thermometer, and its feed inlet 10 is located awl top 3 to stretch into the bottom that pipe 11 extends into the buffer tank body 1 in through the feeding.

In a preferred embodiment, in this embodiment, a reinforcing rib 15 made of channel steel is arranged on the buffer tank body 1 of the buffer tank for producing the diisooctyl phenyl phosphite; the conical framework 301 of the cone top 3 is formed by angle steel, and an air guide port 13 is further arranged on the conical framework. In addition, the buffer tank body 1 and the conical top 3 are both provided with an inlet hole 14 which is convenient for entering the buffer tank body for polishing and cleaning in the manufacturing process. In addition, in order to facilitate the operation, the buffer tank for producing the diisooctyl phenyl phosphite also comprises an independently designed ladder and an independently designed fence 16 which are used for manually climbing the cone top 3 for operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a buffer tank of di-iso-octyl phenyl phosphite production usefulness which characterized in that: comprises a cylindrical buffer tank body (1), a support plate component (2) for supporting the buffer tank body (1) and a conical top (3) positioned at the top of the buffer tank body (1); the bottom and the upper part of the side wall of the buffer tank body (1) are respectively provided with a plurality of groups of liquid level meter ports (4) for placing liquid level meters and at least one group of liquid level meter standby ports (5); a radar liquid level meter port (6) for placing a radar liquid level meter is arranged on the cone top (3); a certain angle is formed between the bottom plate (101) of the buffer tank body (1) and the support plate assembly (2).

2. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: the bottom and the same horizontal position in upper portion of buffer tank body (1) lateral wall all are equipped with two sets of logical level gauge mouths (4), and level gauge mouth (4) on upper portion and level gauge mouth (4) of lower part are on same plumb line.

3. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: the standby liquid level meter port (5) is located at the lower part of the buffer tank body (1) and is located on the same horizontal line with the liquid level meter port (4) at the lower part.

4. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: also be equipped with reserve mouth of radar level gauge (7) on conical top (3), all be equipped with the blind flange on reserve mouth of level gauge (5) and the reserve mouth of radar level gauge (7).

5. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: the supporting plate component (2) is horizontally arranged, the bottom plate (101) of the buffer tank body (1) inclines to one side, and the inclined angle is 1.5 degrees.

6. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: the buffer tank body (1) is characterized in that the bottom of the side wall of the buffer tank body (1) is located at the top position of the inclination angle, a sewage draining outlet (8) is arranged, a discharging outlet (9) is arranged on the upper side of the sewage draining outlet (8), and a temperature measuring port (12) for placing a thermometer is arranged nearby the discharging outlet (9).

7. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: a feed inlet (10) of the buffer tank for producing the diisooctyl phosphite is positioned at the conical top (3) and extends into the bottom of the buffer tank body (1) through a feed inner extension pipe (11).

8. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: and reinforcing ribs (15) made of channel steel are arranged on the buffer tank body (1).

9. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: the conical framework (301) of the conical top (3) is formed by angle steel, and an air guide port (13) and an inlet hole (14) are further arranged on the conical framework.

10. The surge tank for the production of diisooctyl monobenzene phosphite of claim 1, wherein: also comprises a ladder and a fence (16) which are independently designed and are used for manually climbing the conical top (3) for operation.