Vacuumizing structure of polyester resin reaction kettle

Abstract

The vacuumizing structure of the polyester resin reaction kettle provided by the utility model comprises the reaction kettle body and the vacuumizing unit connected with the reaction kettle body, and the reaction kettle body can provide a suitable environment for polyester resin, so that the polyester resin can be subjected to chemical reaction under specific temperature, pressure and stirring conditions; the vacuumizing unit can vacuumize the reaction kettle body and provide vacuum pressure for the polyester resin reaction, so that the vacuumizing process can be ensured to be smoothly carried out, the situation that the vacuumizing process is influenced due to the fact that materials and waste water block a vacuum pipeline is prevented, and the product performance is favorably improved; according to the vacuumizing structure of the polyester resin reaction kettle, the vacuumizing process of the polyester resin reaction kettle can be smoothly carried out, the situation that the vacuumizing process is influenced due to the fact that the vacuum pipeline is blocked by materials and waste water is prevented, the structural reliability is high, and the product performance can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyester resin production field, specifically, the utility model relates to a kind of polyester resin reaction kettle vacuum structure. BACKGROUND

[0002] Polyester resin is a kind of synthetic resin, mainly by polyol and polyacid through polycondensation reaction synthesis, widely used in coating, adhesive, composite material, plastic and textile etc., in the production process of polyester resin, there is a need to carry out the operation of polyester resin reaction kettle vacuum, in the process of carrying out the operation of polyester resin reaction kettle vacuum, every batch of polyester resin will have a small amount of material with waste water is taken to the pipeline of vacuum system, with the increasing batch, material continuously accumulates, and any cause vacuum pipeline to be blocked, in the current batch of product is in the process of reaction, vacuum process still needs to be carried out, and there is no way to clean the vacuum pipeline that is blocked, cause vacuum process to be unable to carry out, affect the performance of product to reach standard.

[0003] To solve the above problems, patent document 106311087A discloses a kind of asphalt reaction kettle's vacuum protection system of convenient dismounting, its characterized in that: it includes multiple reaction kettles, each reaction kettle is connected with vacuum branch pipe, wherein each vacuum branch pipe is provided with check valve and rubber hose, the end of each vacuum branch pipe is connected to vacuum main pipe, the end of the vacuum main pipe is connected with buffer tank, the buffer tank is connected with vacuum pump by pipeline, the vacuum pump is connected with water tank by water circulation pipeline, but the above problems cannot be solved. UTILITY MODEL CONTENT

[0004] The utility model is carried out in order to solve the above problems, the purpose is to provide a kind of polyester resin reaction kettle vacuum structure, which can guarantee the smooth progress of polyester resin reaction kettle vacuum process, and the structure has high reliability, and it is beneficial to improve product performance, in order to realize the above purpose, the technical scheme that the utility model adopts is as follows:

[0005] The utility model provides a kind of polyester resin reaction kettle vacuum structure, with such characteristics, including reaction kettle body and the vacuum unit connected with reaction kettle body.

[0006] In the polyester resin reaction kettle vacuum structure provided by the utility model, the vacuum unit can also have the following characteristics: the vacuum unit includes wastewater collection tank and vacuum pipe, one end of the vacuum pipe is connected with the wastewater collection tank.

[0007] In the polyester resin reaction kettle vacuum structure provided by the utility model, the vacuum unit can also have the following characteristics: the vacuum unit also includes vacuum pipe, one end of the vacuum pipe is connected with the reaction kettle body, and the other end of the vacuum pipe is connected with the wastewater collection tank.

[0008] In the polyester resin reaction kettle vacuum structure, the vacuum unit further comprises a reflux pipe, one end of the reflux pipe is connected with the reaction kettle body, and the other end of the reflux pipe is connected with the vacuum pipe.

[0009] In the polyester resin reaction kettle vacuum structure, the vacuum unit further comprises a reflux pipe, one end of the reflux pipe is connected with the reaction kettle body, and the other end of the reflux pipe is connected with the vacuum pipe.

[0010] In the polyester resin reaction kettle vacuum structure, the vacuum unit further comprises a reflux pipe, one end of the reflux pipe is connected with the reaction kettle body, and the other end of the reflux pipe is connected with the vacuum pipe.

[0011] In the polyester resin reaction kettle vacuum structure, the vacuum unit further comprises a reflux pipe, one end of the reflux pipe is connected with the reaction kettle body, and the other end of the reflux pipe is connected with the vacuum pipe.

[0012] The polyester resin reaction kettle vacuum structure provided by the utility model has the technical effects that the polyester resin reaction kettle vacuum structure comprises a reaction kettle body and a vacuum unit connected with the reaction kettle body, the reaction kettle body can provide a suitable environment for polyester resin, so that the polyester resin can chemically react under specific temperature, pressure and stirring conditions, the vacuum unit can perform vacuumization on the reaction kettle body, provide vacuum pressure for polyester resin reaction, ensure the smooth progress of the vacuumization process, prevent the vacuum pipeline from being blocked by materials and wastewater and affecting the vacuumization process, and is beneficial to improving product performance.

[0013] Therefore, the polyester resin reaction kettle vacuum structure provided by the utility model can ensure the smooth progress of the polyester resin reaction kettle vacuumization process, prevent the vacuum pipeline from being blocked by materials and wastewater and affecting the vacuumization process, has high structural reliability, and is beneficial to improving product performance. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are as follows:

[0015] Figure 1 It is the structure schematic view of the polyester resin reaction kettle vacuum structure in the embodiment of the utility model. In the figure, the marks are as follows: reaction kettle body-10, vacuum unit-20, wastewater collection tank-21, blowdown pipe-211, vacuum pipe-22, vacuum pipe-23, reflux pipe-24, discharge valve-25, auxiliary drain pipe-26. DETAILED DESCRIPTION

[0016] The specific embodiments of the present application are further described in detail below with the accompanying drawings, by describing the embodiments, for the purpose of helping the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present application, and to help the implementation thereof.

[0017] Figure 1 The structure diagram of the polyester resin reaction kettle vacuum structure in the embodiment of the present application.

[0018] As Figure 1 shown, the polyester resin reaction kettle vacuum structure provided by the present application comprises a reaction kettle body 10 and a vacuum extraction unit 20 connected with the reaction kettle body 10, the reaction kettle body 10 can provide a suitable environment for polyester resin, so that the polyester resin can occur chemical reaction under specific temperature, pressure and stirring conditions, the vacuum extraction unit 20 can extract vacuum for the reaction kettle body 10, provide vacuum pressure for polyester resin reaction, can ensure the smooth progress of the vacuum extraction process, prevent the material and wastewater from blocking the vacuum pipeline to affect the vacuum extraction process, and is beneficial to improve the performance of polyester resin products.

[0019] The vacuum extraction unit 20 comprises a wastewater collection tank 21, a vacuum pipe 22 and a vacuum extraction pipe 23, one end of the vacuum pipe 22 is connected with the wastewater collection tank 21, the other end of the vacuum pipe 22 is connected with a vacuum generator, one end of the vacuum extraction pipe 23 is connected with the wastewater collection tank 21, and the other end of the vacuum extraction pipe 23 is connected with the reaction kettle body 10, so as to connect the wastewater collection tank 21 and the reaction kettle body 10, the vacuum extraction unit 20 can extract vacuum for the reaction kettle body 10 through the vacuum generator and the vacuum pipe 22 and the vacuum extraction pipe 23, the diameter of the vacuum extraction pipe 23 is thickened, which reduces the probability of the material and wastewater blocking the vacuum extraction pipe 23, and the wastewater collection tank 21 can collect wastewater in the vacuum extraction process, prevent the wastewater from entering the vacuum generator, and improve the structural reliability.

[0020] The vacuum extraction unit 20 further comprises a reflux pipe 24, one end of the reflux pipe 24 is connected with the reaction kettle body 10, the other end of the reflux pipe 24 is connected with the vacuum extraction pipe 23, a discharge valve 25 is arranged on the reflux pipe 24, the discharge valve 25 is used for controlling the opening or closing of the reflux pipe 24, the discharge valve 25 is closed when the vacuum extraction pipe 23 normally performs the vacuum extraction process, and the discharge valve 25 is opened when the vacuum extraction pipe 23 is blocked, the vacuum extraction for the reaction kettle body 10 is continued through the reflux pipe 24, the smooth progress of the vacuum extraction process is ensured, the material and wastewater are prevented from blocking the vacuum pipeline to affect the vacuum extraction process, and the performance of the polyester resin product is improved.

[0021] The vacuumizing unit 20 further comprises an auxiliary drain pipe 26, one end of the auxiliary drain pipe 26 is connected with the return pipe 24, the other end of the auxiliary drain pipe 26 is connected with the waste water collecting tank 21, the auxiliary drain pipe 26 can assist the return pipe 24 to discharge waste water, so that when the discharge valve 25 is opened, the waste water enters the waste water collecting tank 21 through the auxiliary drain pipe 26, the return pipe 24 can be effectively prevented from being blocked, thereby ensuring the smooth progress of the vacuumizing process, and after the current batch of vacuumizing is completed, the blocked vacuumizing pipe 23 is cleaned.

[0022] The bottom of the waste water collecting tank 21 is provided with a blowdown pipe 211 for discharging the waste water collected in the waste water collecting tank 21.

[0023] Effects of the embodiment

[0024] The polyester resin reaction kettle vacuumizing structure provided by the utility model can ensure the smooth progress of the vacuumizing process of the polyester resin reaction kettle, prevent the material and waste water from blocking the vacuum pipeline and affecting the vacuumizing process, has high structural reliability, and is favorable for improving product performance.

[0025] The utility model has been described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of them are within the protection scope of the utility model.

Claims

1. A polyester resin reactor vacuum structure, characterized by, The reaction kettle body (10) and the vacuum pumping unit (20) connected with the reaction kettle body (10) are included, the vacuum pumping unit (20) includes a wastewater collection tank (21) and a vacuum pipe (22), one end of the vacuum pipe (22) is connected with the wastewater collection tank (21), the vacuum pumping unit (20) further includes a vacuum pumping pipe (23), one end of the vacuum pumping pipe (23) is connected with the reaction kettle body (10), and the other end of the vacuum pumping pipe (23) is connected with the wastewater collection tank (21).

2. The polyester resin reactor vacuum structure according to claim 1, wherein, The vacuum pumping unit (20) further includes a backflow pipe (24), one end of the backflow pipe (24) is connected with the reaction kettle body (10), and the other end of the backflow pipe (24) is connected with the vacuum pumping pipe (23).

3. The polyester resin reactor vacuum structure of claim 2, wherein, The backflow pipe (24) is provided with a discharge valve (25).

4. The polyester resin reactor vacuum structure of claim 3, wherein, The vacuum pumping unit (20) further includes an auxiliary drain pipe (26), one end of the auxiliary drain pipe (26) is connected with the backflow pipe (24), and the other end of the auxiliary drain pipe (26) is connected with the wastewater collection tank (21).

5. The polyester resin reactor vacuum structure of claim 1, wherein, The bottom of the wastewater collection tank (21) is provided with a blowdown pipe (211).

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