阅读说明：本技术 一种基于气体热胀冷缩的聚酯生产醇类添加装置 (Polyester production alcohols adds device based on gaseous expend with heat and contract with cold ) 是由 王利玲 于 2019-09-12 设计创作，主要内容包括：本发明涉聚酯生产技术领域,且公开了一种基于气体热胀冷缩的聚酯生产醇类添加装置,包括：底架,底架上表面的内部固定安装有反应筒,反应筒内部的下端固定安装有加热块,加热块的上表面固定安装有储藏框,储藏框的上表面固定安装有抽送筒,抽送筒的内部滑动安装有活动板,抽送筒的左侧固定安装有固定管,固定管的左侧固定安装有固定块,固定管的左侧贯穿并延伸至固定块的内部固定安装有输送筒,输送筒内部的下端活动安装有膨胀块,膨胀块的上端固定安装有连接块。通过转板的使用,可以有效的利用醇类在挥发,产生的气流向上冲击的时候,带动转板左右运动,方便可聚酯的搅拌,使新添加的醇类更好的融合到聚酯内部。(The invention relates to the technical field of polyester production, and discloses a polyester production alcohol adding device based on gas expansion with heat and contraction with cold, which comprises: the chassis, the inside fixed mounting of chassis upper surface has the reaction cylinder, the inside lower extreme fixed mounting of reaction cylinder has the heating block, the last fixed surface of heating block installs the storage frame, the last fixed surface of storage frame installs the pumping section of thick bamboo, the inside slidable mounting of pumping section of thick bamboo has the fly leaf, the left side fixed mounting of pumping section of thick bamboo has fixed pipe, the left side fixed mounting of fixed pipe has the fixed block, the inside fixed mounting that runs through and extend to the fixed block in the left side of fixed pipe has a transport section of thick bamboo, the inside lower extreme movable mounting of transport section of thick bamboo has the inflation piece, the upper end fixed mounting of inflation piece has the. Through the use of changeing the board, can effectual utilization alcohols volatilize, when the air current of production upwards strikes, drive and change board side to side movement, but the stirring of convenient polyester makes the better fusion of the alcohols of newly adding inside the polyester.)

1. The utility model provides a polyester production alcohols adds device based on gaseous expend with heat and contract with cold, includes: chassis (1), its characterized in that: the reaction barrel is characterized in that a reaction barrel (2) is fixedly mounted inside the upper surface of the chassis (1), a heating block (3) is fixedly mounted at the lower end inside the reaction barrel (2), a storage frame (4) is fixedly mounted on the upper surface of the heating block (3), a pumping barrel (5) is fixedly mounted on the upper surface of the storage frame (4), a movable plate (6) is slidably mounted inside the pumping barrel (5), a fixed tube (7) is fixedly mounted on the left side of the pumping barrel (5), a fixed block (8) is fixedly mounted on the left side of the fixed tube (7), a conveying barrel (9) is fixedly mounted inside the fixed tube (7) in a penetrating manner and extending to the fixed block (8), an expansion block (10) is movably mounted at the lower end inside the conveying barrel (9), a connecting block (11) is fixedly mounted at the upper end of the expansion block (10), and two symmetrical elastic blocking pieces (14) are fixedly mounted at the middle upper, the upper end of the conveying cylinder (9) is fixedly provided with a partition plate (12), and the middle upper end of the reaction cylinder (2) is movably provided with a rotating plate (13).

2. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the upper surface of the storage frame (4) is fixedly inserted into the lower end of the pumping cylinder (5) through a connecting pipe.

3. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the lower end of the expansion block (10) is inserted into the fixing block (8).

4. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the upper end of the conveying cylinder (9) is bent.

5. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: and two ends of the partition plate (12) are fixedly arranged with the inner wall of the reaction cylinder (2).

6. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the heating frame (3) is electrically connected with an external power supply through a lead.

7. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the outer surface of the connecting block (11) is provided with a drainage groove tightly attached to the outer surface of the connecting block (11).

8. The alcohol adding device for polyester production based on expansion with heat and contraction with cold of gas as claimed in claim 1, wherein: the two ends, contacted with each other, of the elastic blocking pieces (14) are clamped with each other, and meanwhile, the lower surface of the end, close to each other, of each elastic blocking piece (14) is arc-shaped.

Technical Field

The invention relates to the technical field of polyester production, in particular to a polyester production alcohol adding device based on gas expansion with heat and contraction with cold.

Background

Polyester is a general name of a high molecular compound formed by condensing binary or polybasic acid and binary or polybasic alcohol, is used for different raw materials, has various varieties of polyesters synthesized by different methods, can be used in different fields such as fibers, containers, coatings, engineering plastics, rubber and the like, the main varieties of the existing polyester comprise polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate and the like, and the polyethylene terephthalate formed by condensing terephthalic acid and ethylene glycol is the first polyester product which realizes industrialization and is most widely applied in the world.

At present, in the actual production of polyester, some alcohols are needed to be added for esterification reaction. However, since alcohols are easily volatile, the polymerization degree of esterification reaction is reduced, the molecular weight of polyester is reduced, the viscosity is reduced, and the properties of polyester and cured products are directly affected.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides a polyester production alcohols adds device based on gaseous expend with heat and contract with cold, includes: the chassis, the inside fixed mounting of chassis upper surface has the reaction cylinder, the inside lower extreme fixed mounting of reaction cylinder has the heating block, the last fixed surface of heating block installs and stores the frame, the last fixed surface of storing the frame installs a pumping section of thick bamboo, the inside slidable mounting of a pumping section of thick bamboo has the fly leaf, the left side fixed mounting of a pumping section of thick bamboo has fixed pipe, the left side fixed mounting of fixed pipe has the fixed block, the inside fixed mounting that runs through and extend to the fixed block in the left side of fixed pipe has a transport cylinder, the inside lower extreme movable mounting of transport cylinder has the inflation piece, the upper end fixed mounting of inflation piece has the connecting block, the well upper end fixed mounting of transport cylinder inner wall has two symmetrical elastic separation blades, the upper end fixed mounting of transport cylinder has the division board, well upper end.

Furthermore, the upper surface of the storage frame is fixedly inserted at the lower end of the pumping cylinder through a connecting pipe.

Furthermore, the lower end of the expansion block is inserted into the fixing block.

Furthermore, the upper end of the conveying cylinder is bent, and the polyester on the upper surface of the partition plate is mainly prevented from entering the conveying pipe.

Furthermore, two ends of the partition plate are fixedly installed on the inner wall of the reaction cylinder.

Further, the heating frame is electrically connected with an external power supply through a lead.

Furthermore, the outer surface of the connecting block is provided with a drainage groove tightly attached to the outer surface of the connecting block.

Furthermore, two the mutual block of one end that the elasticity separation blade contacted, the lower surface of the one end that the elasticity separation blade was close to each other simultaneously is the arc, makes things convenient for the connecting rod to give the elasticity baffle and extrudes open.

The invention has the following beneficial effects:

1. the device for adding alcohols in polyester production based on thermal expansion and cold contraction of gas can volatilize alcohols by heating alcohol substances in the storage frame through the matching use of the storage frame, the pumping cylinder, the movable plate, the fixed tube and the fixed block and the conveying cylinder, then the volatilized gas alcohols enter the lower end of the pumping cylinder, then the gas pressure of the lower end of the pumping cylinder is increased, the movable plate is pushed upwards until the movable plate rises above the fixed tube in the pumping cylinder, then the gas enters the conveying cylinder through the fixed tube, because the gas of the alcohols is heated and volatilized by the heating block and has higher temperature ratio, when the gas flow enters the lower end of the conveying cylinder, the expansion block expands after being heated, the connecting block is driven to move upwards, the two elastic check blocks are pushed open, and then the gas enters the upper end of the conveying cylinder through the drainage groove on the connecting block, the airflow is blown to the upper surface of the separation plate by the conveying cylinder, and the temperature of the separation plate is lower than that of the alcohol gas volatilized by heating, so that the alcohol gas is cooled and liquefied and is mixed in the polyester, the aim of continuously supplementing the alcohol to the polyester is fulfilled, and the condition that the polymerization degree of esterification reaction is reduced and the performances of the polyester and a solidified product are influenced due to the fact that the alcohol is easily volatilized is effectively avoided.

2. This polyester production alcohols interpolation device based on gaseous expend with heat and contract with cold, through the use that changes the board, can effectual utilization alcohols when volatilizing, the air current that produces upwards strikes, drives and changes board side to side movement, but convenient stirring of polyester makes the better integration of the alcohols of newly adding inside the polyester.

Drawings

Fig. 1 is a schematic view of the overall front structure of the present invention.

FIG. 2 is a schematic view of the internal structure of the reaction cartridge of the present invention.

FIG. 3 is an enlarged schematic view of the detailed structure of the interior of the reaction cylinder of the present invention.

In the figure: the device comprises a base frame 1, a reaction cylinder 2, a heating block 3, a storage frame 4, a pumping cylinder 5, a movable plate 6, a fixed tube 7, a fixed block 8, a conveying cylinder 9, an expansion block 10, a connecting block 11, a partition plate 12, a rotating plate 13 and an elastic blocking piece 14.

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.

Referring to fig. 1-3, an alcohol adding apparatus for polyester production based on expansion with heat and contraction with cold of gas comprises: the reaction device comprises a base frame 1, wherein a reaction barrel 2 is fixedly arranged inside the upper surface of the base frame 1, a heating block 3 is fixedly arranged at the lower end inside the reaction barrel 2, the heating frame 3 is electrically connected with an external power supply through a wire, a storage frame 4 is fixedly arranged on the upper surface of the heating block 3, the upper surface of the storage frame 4 is fixedly inserted into the lower end of a pumping barrel 5 through a connecting pipe, the pumping barrel 5 is fixedly arranged on the upper surface of the storage frame 4, a movable plate 6 is slidably arranged inside the pumping barrel 5, a fixed pipe 7 is fixedly arranged on the left side of the pumping barrel 5, a fixed block 8 is fixedly arranged on the left side of the fixed pipe 7, a conveying barrel 9 is fixedly arranged inside the fixed pipe 7 and penetrates through and extends to the fixed block 8, the upper end of the conveying barrel 9 is bent, mainly for preventing polyester on the upper surface of a partition plate 12 from entering the conveying pipe 9, the lower end of the expansion block 10 is inserted into the fixed block 8, the upper end of the expansion block 10 is fixedly provided with a connecting block 11, the middle upper end of the inner wall of the conveying cylinder 9 is fixedly provided with two symmetrical elastic blocking pieces 14, the upper end of the conveying cylinder 9 is fixedly provided with a partition plate 12, and two ends of the partition plate 12 are fixedly arranged with the inner wall of the reaction cylinder 2. The upper end of the reaction cylinder 2 is movably provided with a rotating plate 13.

Wherein, through the storage frame 4, the pumping cylinder 5, the movable plate 6, the fixed tube 7, the fixed block 8 and the delivery cylinder 9, the alcohols in the storage frame 4 can be volatilized through a heating mode, then the volatilized gas alcohols enter the lower end of the pumping cylinder 5, then the gas pressure of the lower end of the pumping cylinder 5 is increased, the movable plate 6 is pushed upwards until the movable plate 6 rises above the fixed tube 7 in the pumping cylinder 5, then the gas enters the delivery cylinder 9 through the fixed tube 7, because the gas of the alcohols is heated and volatilized through the heating block 3 and has higher temperature, when the gas flow enters the lower end in the delivery cylinder 9, the expansion block 10 is heated and then expands, the connecting block 11 is driven to move upwards, the two elastic check blocks 14 are pushed open, then the gas enters the upper end of the delivery cylinder 9 through the drainage grooves on the connecting block 11, the airflow is blown to the upper surface of the partition plate 12 by the conveying cylinder 9, and because the temperature of the partition plate 12 is lower than the temperature of the alcohol gas volatilized by heating, the alcohol gas is cooled and liquefied and is mixed in the polyester, thereby realizing the continuous supplement of the alcohol for the polyester, avoiding the situation that the alcohol is volatile, leading to the reduction of the polymerization degree of the esterification reaction and directly influencing the performances of the polyester and the solidified product.

Wherein, the outer surface of the connecting block 11 is provided with a drainage groove tightly attached to the outer surface of the connecting block 11.

The ends of the two elastic blocking pieces 14, which are in contact with each other, are clamped with each other, and the lower surface of the end, which is close to each other, of the elastic blocking piece 14 is arc-shaped, so that the connecting rod 11 is mainly convenient to extrude the elastic blocking piece 14.

Wherein, through the use of changeing board 13, can effectual utilization alcohols volatilize, and the air current of production upwards strikes the time, drives and changes board 13 side-to-side movement, but convenient polyester's stirring makes the better fusion of the alcohol of newly adding inside the polyester.

When the device is used, the heating block 3 is opened through an external heating circuit for heating, alcohols are volatilized by the alcohols in the storage frame 4 through a heating mode, then volatilized gas alcohols enter the lower end of the pumping cylinder 5, then the air pressure of the lower end of the pumping cylinder 5 is increased, the movable plate 6 is pushed upwards until the movable plate 6 rises above the fixed pipe 7 in the pumping cylinder 5, then the gas enters the conveying cylinder 9 through the fixed pipe 7, the gas of the alcohols is heated and volatilized through the heating block 3, the temperature is higher, when the air flow enters the lower end in the conveying cylinder 9, the expansion block 10 is heated and then expands, the connecting block 11 is driven to move upwards, the two elastic blocks 14 are pushed open, then the gas enters the upper end of the conveying cylinder 9 through the drainage grooves in the connecting block 11, and then the air flow is blown to the upper surface of the partition plate 12 by the conveying cylinder 9, because the temperature of division board 12 is less than the gaseous temperature of the alcohols that is heated and volatilizees, so alcohols gas is cooled and liquefied, mixes in the polyester, utilizes alcohols when volatilizing simultaneously, and the air current that produces is upwards strikeed, drives and changes board 13 side-to-side motion, but the stirring of convenient polyester makes the better integration of the alcohols of newly adding inside the polyester.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.