CN116328590A - A raw material stirring mechanism for preparing tricresyl phosphite and its application method - Google Patents

Abstract

The utility model discloses a raw material turning mechanism for preparing tricresyl phosphite and a use method thereof, the raw material turning mechanism comprises a tank body, the inside of the tank body is provided with a turning mechanism, the turning mechanism comprises a cylinder body, the cylinder body is connected with a plurality of annular turning plates from top to bottom, the top and the bottom of the annular turning plates are connected with sealing bearings, and the annular turning plates are rotationally connected with the cylinder body through the sealing bearings. According to the utility model, the first stirring pipe and the second stirring pipe rotate to stir the solution in the tank body, meanwhile, the spiral row leaves can convey the solution at the bottom layer, the solution in the tank body is sprayed out through the outlet ends of the first stirring pipe and the second stirring pipe with different heights, and the turning of the solution in the tank body is realized in an extraction mode, so that various solutions in the tank body are not changed and always rotate along one direction, the real-time mixing of the solution at the bottom layer and the solution at the top layer is realized, the mixing rate of the raw materials is higher, the stirring effect is better, and the production quality of tricresyl phosphite is improved.

Description

A raw material stirring mechanism for preparing tricresyl phosphite and its application method

technical field

The invention specifically relates to a raw material stirring mechanism for preparing tricresyl phosphite and a using method thereof.

Background technique

Tricresyl phosphite, also known as tricresyl phosphate, is a phosphate ester of a mixture of three isomers of cresol. It is a colorless or light yellow transparent oily liquid. It is highly toxic and is mainly used as a plasticizer. Good flame retardancy, mildew resistance, abrasion resistance, low volatility, good electrical properties; it can also be used as an important intermediate in organic synthesis, and can be used to prepare medicines, insecticides, preservatives, chemical Chemicals, etc., no matter where they are used, special attention should be paid to their toxicity and flammability, and corresponding safety measures should be taken.

At present, stirring is a commonly used operation in organic preparation and production. The purpose is to fully mix the reactants to avoid the occurrence of side reactions or the decomposition of organic matter due to uneven concentration of reactants and local excessive heating.

Therefore, in the actual production of tricresyl phosphite, it is also necessary to stir and mix the raw materials. However, when the existing stirrer stirs the tricresyl phosphite raw material, it has no stirring function, and the solution is always in the tank along one direction. Rotate, the solution of the bottom layer and the solution of the top layer are far away from each other, the mixing efficiency is low, the raw materials cannot be fully stirred, the mixing is uneven, and the effect is poor, which affects the production quality of tricresyl phosphite.

Therefore, it is necessary to invent a raw material stirring mechanism for preparing tricresyl phosphite and its application method to solve the above problems.

Contents of the invention

(1) Purpose of the invention

The purpose of this utility model is to provide a raw material stirring mechanism for preparing tricresyl phosphite and its use method, through the rotation of the first stirring tube and the second stirring tube, the solution inside the tank is stirred, and at the same time, the spiral leaves The solution at the bottom layer will be transported, sprayed out through the outlets of the first stirring tube and the second stirring tube at different heights, and the solution in the tank will be turned over by means of extraction, so that the various solutions in the tank are no longer a single layer. It always rotates in one direction to realize the real-time mixing of the bottom layer solution and the top layer solution. The mixing rate of raw materials is faster and the stirring effect is better, so the production quality of tricresyl phosphite is improved to solve the above-mentioned deficiencies in the technology place.

(2) Technical solutions

In order to achieve the above object, the utility model provides the following technical solutions: a raw material turning mechanism for preparing tricresyl phosphite, including a tank body, and a turning mechanism is arranged inside the tank body;

The turning mechanism includes a cylinder, and the cylinder is connected with several annular rotating plates from top to bottom. The top and bottom of the annular rotating plates are connected with sealed bearings, and the annular rotating plates rotate with the cylinder through the sealed bearings. connection, wherein the left side and the rear side of the ring-shaped rotating plate with odd numbers from top to bottom are connected to the first stirring tube, and the right and front sides of the other ring-shaped rotating plates with even numbers from top to bottom are connected There is a second stirring tube, a rotating rod is arranged inside the cylinder, and a spiral blade matching the cylinder is installed on the outside of the rotating rod, and several rotating rods are connected from top to bottom at the dislocation of the spiral blade A connecting rod corresponding to the annular rotating plate, the other end of each connecting rod is connected to the side wall of the adjacent annular rotating plate;

The top of the tank is provided with a driving assembly, which is used to drive the rotation of the first stirring tube or the second glue stick tube, and spray the tricresyl phosphite raw material extracted from the bottom of the tank to the middle or top layer of the solution to realize trimethyl phosphite Turning of the phenolic ester raw material.

Preferably, the bottom of the cylinder is open, the bottom end of the rotating rod extends to the inside of the bottom wall of the tank, and is connected with the tank through a bearing.

Preferably, the four corners of the bottom of the cylinder are connected with support rods, and the left and right sides of the top of the cylinder are connected with spray heads.

Preferably, a one-way valve is installed inside the outlet end of each of the first stirring tube and the second stirring tube.

Preferably, the drive assembly includes a motor installed on the top of the tank, the output end of the motor is connected to a rotating shaft, the bottom end of the rotating shaft passes through the top wall of the cylinder, and a bearing is provided at the connection with the cylinder, and is connected to the rotating rod connected at the top.

Preferably, retaining rings are evenly distributed on the inner wall of the tank from top to bottom, each retaining ring is located between the uppermost annular rotating plate and the lowermost annular rotating plate, and the top surface of the retaining ring is inverted angle set.

Preferably, the top surface of each retaining ring is provided with anti-slip lines, and the lines of the anti-slip lines are arranged vertically downward.

Preferably, a liquid inlet pipe is installed on the top of the tank, and a liquid outlet pipe is installed on the bottom of one side of the tank.

Preferably, four corners of the bottom of the tank are provided with outriggers, and the outer corners of each of the outriggers are rounded.

A method for using a raw material stirring mechanism for preparing tricresyl phosphite, comprising the following steps:

S1. Preliminary stirring of raw materials: the staff injects various raw materials for preparing tricresyl phosphite into the tank body through the liquid inlet pipe in turn, and then starts the motor, and the output end of the motor rotates to drive the rotating shaft to rotate, and then drives the rotating rod to rotate, further Drive each connecting rod to rotate, so that each annular rotating plate rotates, and then drives the first stirring tube and the second stirring tube to rotate, stirring the solution inside the tank;

S2. Real-time extraction of raw materials: while the rotating rod is rotating, the spiral blades rotate with the rotating rod, while the entire bottom of the cylinder is fixed and does not rotate, so the solution at the bottom opening of the cylinder will be in the Under the action of the helical blade, along the opening of the bottom of the cylinder, it is conveyed to the inside of the cylinder, and then reaches the inside of each first stirring tube and the second stirring tube;

S3. Stirring of raw materials up and down: At this time, the solution extracted from each first stirring tube and the second stirring tube has a certain pressure under the continuous delivery of the spiral blade, and can pass through each first stirring tube and second stirring tube. The one-way valve at the outlet of the stirring tube sprays out, so that the solution originally located at the bottom of the tank can be sprayed on the middle layer and the top layer of the solution, and with the continuous pumping of the spiral blade, the solution can be stirred in the first stirring tube and the second stirring tube At the same time, the solution at the bottom and top of the tank is exchanged in real time, so that the solution at the bottom of the tank can also reach the middle and top layers of the solution, and mix with solutions at different levels, and the solution in the tank is turned over by extraction , and the solution sprayed above the retaining ring can also hit the inner wall of the tank and the retaining ring, and slowly flow back into the solution along the anti-skid groove, and is continuously stirred and extracted by the first stirring tube and the second stirring tube , conveying and spraying until the end of stirring;

S4: Collection of tricresyl phosphite: After the stirring is completed, the staff opens the valve on the liquid outlet pipe, and the staff collects the tricresyl phosphite flowing out of the liquid pipe to complete the stirring of tricresyl phosphite Production.

Compared with prior art, the beneficial effect of above-mentioned technical scheme of the present invention is:

In the present invention, under the transmission of the rotating shaft, the rotating rod, the connecting rod and the annular rotating plate, the first stirring tube and the second stirring tube rotate around the rotating rod to stir the solution inside the tank body. At the same time, the spiral row The leaves will transport the solution at the bottom layer, and spray it out through the outlets of the first stirring tube and the second stirring tube at different heights, so that the solution originally located at the bottom of the tank can be mixed with the solution at different levels, and the solution in the tank can be realized by extraction. In this way, while stirring the solution, the various solutions in the tank are no longer one layer and always rotate in one direction, realizing the real-time mixing of the bottom solution and the top solution, and improving the mixing rate of raw materials , The stirring effect of raw materials is better, thereby improving the production quality of tricresyl phosphite.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is a perspective view overall structure schematic diagram of the present invention;

Fig. 2 is the overall structure schematic diagram of the present invention;

Fig. 3 is a structural schematic diagram of the flipping assembly of the present invention;

Figure 4 is an exploded view of the flip assembly of the present invention;

Fig. 5 is a schematic diagram of the connection structure of the connecting rod and the rotating rod of the present invention;

Fig. 6 is a schematic diagram of the connection structure between the first stirring tube and the one-way valve of the present invention.

Explanation of reference signs:

1 tank body, 21 cylinder body, 22 annular rotating plate, 23 sealed bearing, 24 first stirring tube, 25 second stirring tube, 26 rotating rod, 27 spiral blade, 28 connecting rod, 31 motor, 32 rotating shaft, 4 supporting rod , 5 nozzles, 6 one-way valves, 7 retaining rings, 8 anti-slip lines, 9 liquid inlet pipes, 10 liquid outlet pipes, and 11 legs.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

The present invention provides a raw material turning mechanism for preparing tricresyl phosphite as shown in Figures 1-6, comprising a tank body 1, and a turning mechanism is arranged inside the tank body 1;

The turning mechanism includes a cylinder body 21, and the cylinder body 21 is connected with several annular rotating plates 22 from top to bottom. The top and bottom of the annular rotating plates 22 are connected with sealed bearings 23, and the annular rotating plates 22 pass The sealed bearing 23 is rotatably connected with the cylinder body 21, wherein the left side and the rear side of the ring-shaped rotating plate 22 with odd numbers from top to bottom are connected with the first stirring tube 24, and the other rings with even numbers from top to bottom are The right side and the front side of the rotating plate 22 are connected with the second stirring tube 25, the inside of the cylinder 21 is provided with a rotating rod 26, and the outer side of the rotating rod 26 is equipped with a spiral blade 27 matching the cylinder 21, The rotating rod 26 is located at the dislocation of the spiral blade 27 and is connected from top to bottom with several connecting rods 28 corresponding to the annular rotating plate 22, and the other end of each connecting rod 28 is connected to the side of the adjacent annular rotating plate 22. wall connection;

The top of the tank body 1 is provided with a driving assembly for driving the rotation of the first stirring tube 24 or the second glue stick tube, and spraying the tricresyl phosphite raw material extracted from the bottom of the tank body 1 onto the middle or top layer of the solution to realize Tumbling of tricresyl phosphite stock.

In one embodiment, the bottom of the cylinder body 21 is open to ensure that the raw material solution in the tank body 1 can enter the cylinder body 21, and the bottom end of the rotating rod 26 extends to the inside of the bottom wall of the tank body 1, and passes through the bearing Connected to the tank body 1, a check valve 6 is installed inside each of the first stirring tube 24 and the outlet end of the second stirring tube 25 to ensure that the raw material solution passes through the outlet end of the first stirring tube 24 or the second stirring tube 25. When spraying, no solution at the outlet end enters the inside of the outlet end of the first stirring tube 24 or the second stirring tube 25 at this time, so that the solution is sprayed farther, and the one-way valve 6 can also block the liquid in the tank body at ordinary times. The solution enters the interior of the barrel 21 through the outlet end of the first stirring tube 24 or the second stirring tube 25 .

In one embodiment, the four corners of the bottom of the cylinder 21 are connected with support rods 4 for supporting the cylinder 21 and fixing the cylinder 21 on the bottom wall of the tank 1 to ensure the stability of the cylinder 21. The left and right sides of the top of the cylinder 21 are connected with spray nozzles 5, and as the spiral blade 27 continuously extracts the raw material solution at the bottom, some solutions that are not sprayed out through the first stirring tube 24 and the outlet of the second stirring tank will eventually be transported to the top of the cylinder 21, and then sprayed through the nozzles 5 on both sides under the action of pressure, that is, the nozzle 5 can ensure that the solution in the cylinder 21 is sprayed out, and the solution sprayed through the nozzle 5 can directly hit Hit the inner wall of the tank body 1 and the retaining ring 7, thereby increasing the mixing rate between different raw material solutions.

In one embodiment, the drive assembly includes a motor 31 installed on the top of the tank body 1 , the output end of the motor 31 is connected to a rotating shaft 32 , the bottom end of the rotating shaft 32 passes through the top wall of the cylinder body 21 , and is connected to the cylinder body 21 Bearings are provided at the connection, and are connected to the top of the rotating rod 26 to provide power sources for the first stirring tube 24 , the second stirring tube 25 and the helical blade 27 .

In one embodiment, retaining rings 7 are evenly distributed on the inner wall of the tank body 1 from top to bottom, and each retaining ring 7 is located between the uppermost annular rotating plate 22 and the lowermost annular rotating plate 22, And the top surface of the retaining ring 7 is chamfered, and the top surface of each retaining ring 7 is provided with anti-slip lines 8, and the lines of the anti-slip lines 8 are arranged vertically downward, and sprayed out from above the retaining ring 7 The solution can be hit on the inner wall of the tank body 1 and the retaining ring 7, and slowly flow back into the solution along the anti-skid groove to increase the mixing rate of the raw materials again.

In one embodiment, a liquid inlet pipe 9 is installed on the top of the tank body 1, a liquid outlet pipe 10 is installed at the bottom of one side of the tank body 1, and four corners of the bottom of the tank body 1 are provided with legs 11, each The outer sides of the legs 11 are rounded to facilitate the use of the tank body 1 .

A method for using a raw material stirring mechanism for preparing tricresyl phosphite, comprising the following steps:

S1. Preliminary stirring of raw materials: the staff injects various raw materials for preparing tricresyl phosphite into the inside of the tank body 1 through the liquid inlet pipe 9 in turn, and then starts the motor 31, and the output end of the motor 31 rotates to drive the rotating shaft 32 to rotate, and then drives the rotating shaft 32 to rotate. Rod 26 rotates, and further drives each connecting rod 28 to rotate, thereby makes each annular rotating plate 22 rotate, and then drives first stirring tube 24 and second stirring tube 25 to rotate, and the solution inside tank body 1 is stirred, accelerates Mixing rate between different solutions;

S2. Real-time extraction of raw materials: while the rotating rod 26 is rotating, the spiral blades rotate with the rotation of the rotating rod 26, and the entire bottom of the cylinder 21 is fixed and does not rotate, so it is located at the opening of the bottom of the cylinder 21. Under the action of the spiral blade 27, the solution will be transported to the inside of the cylinder 21 along the opening at the bottom of the cylinder 21, and then reach the inside of each of the first stirring tube 24 and the second stirring tube 25;

S3. Stirring of raw materials up and down: At this time, the solution extracted from each first stirring tube 24 and the second stirring tube 25 has a certain pressure under the continuous delivery of the spiral blade 27, and can pass through each first stirring tube 24 and the one-way valve 6 at the outlet end of the second stirring tube 25 spray out, so that the solution originally positioned at the bottom of the tank body 1 can be sprayed on the middle layer and the top layer of the solution, and along with the continuous pumping of the helical blade 27, the first stirring While the tube 24 and the second stirring tube 25 are stirring the solution, the solution at the bottom and top of the tank body 1 is exchanged in real time, so that the solution at the bottom layer of the tank body 1 can also reach the middle layer and the top layer of the solution, and the solutions at different levels can be exchanged. Mixing, the stirring of the solution in the tank body 1 is realized by means of extraction, and the solution sprayed from the top of the retaining ring 7 can also hit the inner wall of the tank body 1 and the retaining ring 7, and slowly flow back into the solution along the anti-skid groove , and constantly being stirred, extracted, conveyed and sprayed by the first stirring tube 24 and the second stirring tube 25 until the stirring is finished, so that while the solution is stirred, the replacement of the bottom solution and the top solution is realized, and the spraying When beating the solution, the mixing rate of raw materials is increased again, the stirring effect is enhanced, and the production quality of tricresyl phosphite is improved;

S4: Collection of tricresyl phosphite: After the stirring is completed, the staff opens the valve on the outlet pipe 10, and the staff collects the tricresyl phosphite flowing out of the outlet pipe 10 to complete the tricresyl phosphite mixing production.

Embodiment: When the present invention is in use, the staff injects various raw materials for preparing tricresyl phosphite into the inside of the tank body 1 through the liquid inlet pipe 9 in sequence, and then starts the motor 31, and the rotating shaft 32, the rotating rod 26, and the connecting rod 28 And under the transmission of the annular rotating plate 22, the first stirring tube 24 and the second stirring tube 25 start to rotate around the rotating rod 26, and the solution inside the tank body 1 is stirred to speed up the mixing rate between different solutions. When the rotary rod 26 rotates, the helical blades also rotate, but the entire bottom of the cylinder body 21 is fixed and does not rotate, so the helical blades 27 can transport the bottom solution through the first stirring tube 24 and the second stirring tube of different heights. The outlet end of the stirring tube 25 sprays out and mixes with the solutions of different levels, so as to realize the stirring of the solution in the tank body 1 by means of extraction, so as to realize the replacement of the bottom layer solution and the top layer solution while stirring the solution, and Hit the solution when spraying, so that the various solutions in the tank 1 are no longer one layer and always rotate in one direction, so as to realize the real-time mixing of the bottom solution and the top solution, and then make the mixing speed of the raw materials faster, stirring The effect is better, thereby improving the production quality of tricresyl phosphite;

This embodiment specifically solves the need to stir and mix the raw materials of the current tricresyl phosphite in the prior art during actual production. However, the existing agitator does not stir when the tricresyl phosphite raw material is stirred. Function, the solution always rotates in one direction in the tank body 1, the solution at the bottom layer and the solution at the top layer are far away from each other, the mixing efficiency is low, the raw materials cannot be fully stirred, the mixing is uneven, and the effect is poor, which affects the production of tricresyl phosphite quality problem.

Certain exemplary embodiments of the present invention have been described above only by way of illustration, and it goes without saying that those skilled in the art can use various methods without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (10)

1. A raw material turning mechanism for preparing tricresyl phosphite, characterized in that: it includes a tank body (1), and the inside of the tank body (1) is provided with a turning mechanism; The turning mechanism includes a cylinder (21), the cylinder (21) is connected with several annular rotating plates (22) from top to bottom, and the top and bottom of the annular rotating plates (22) are connected with sealed bearings ( 23), the ring-shaped rotating plate (22) is rotatably connected with the cylinder (21) through a sealed bearing (23), wherein the left side and the rear side of the ring-shaped rotating plate (22) with odd numbers from top to bottom are connected There is a first stirring tube (24), and the right side and the front side of the other even-numbered annular rotating plates (22) from top to bottom are connected with a second stirring tube (25), and the inside of the cylinder (21) A rotating rod (26) is provided, and a spiral blade (27) matching the cylinder (21) is installed on the outside of the rotating rod (26), and the rotating rod (26) is located at the dislocation of the spiral blade (27) by There are several connecting rods (28) corresponding to the annular rotating plate (22) connected from top to bottom, and the other end of each connecting rod (28) is connected to the side wall of the adjacent annular rotating plate (22); The top of the tank (1) is provided with a driving assembly, which is used to drive the rotation of the first stirring tube (24) or the second glue stick tube, and spray the tricresyl phosphite raw material drawn from the bottom of the tank (1) into the solution The middle layer or the top layer realizes the stirring of the tricresyl phosphite raw material. 2. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: the bottom of the cylinder (21) is open, and the bottom end of the rotating rod (26) extends to the tank The inside of the bottom wall of the body (1) is connected with the tank body (1) through bearings. 3. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: the four corners of the bottom of the cylinder (21) are connected with support rods (4), and the cylinder (21) ) are connected with nozzles (5) on the left and right sides of the top. 4. A raw material stirring mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: each of the first stirring tube (24) and the second stirring tube (25) are installed inside the outlet end There is a check valve (6). 5. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: the drive assembly includes a motor (31) installed on the top of the tank (1), and the motor (31 ) output end is connected with a rotating shaft (32), the bottom end of the rotating shaft (32) runs through the top wall of the cylinder (21), and a bearing is arranged at the connection with the cylinder (21), and is connected with the top of the rotating rod (26) . 6. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: retaining rings (7) are evenly distributed on the inner wall of the tank body (1) from top to bottom, and each The retaining rings (7) are located between the uppermost annular rotating plate (22) and the lowermost annular rotating plate (22), and the top surfaces of the retaining rings (7) are chamfered. 7. A raw material turning mechanism for preparing tricresyl phosphite according to claim 6, characterized in that: the top surface of each retaining ring (7) is provided with anti-slip lines (8), and the The lines of the anti-slip lines (8) are arranged vertically downward. 8. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: a liquid inlet pipe (9) is installed on the top of the tank body (1), and the tank body (1) A liquid outlet pipe (10) is installed at the bottom of one side. 9. A raw material turning mechanism for preparing tricresyl phosphite according to claim 1, characterized in that: four corners of the bottom of the tank body (1) are provided with legs (11), and each of the legs (11) The outer corners are all rounded. 10. The method for using a raw material stirring mechanism for preparing tricresyl phosphite based on any one of claims 1-9, characterized in that: comprising the following steps: S1. Preliminary stirring of raw materials: the staff will pour various raw materials for preparing tricresyl phosphite into the inside of the tank (1) through the liquid inlet pipe (9) in turn, and then start the motor (31), and the output end of the motor (31) will rotate Drive the rotating shaft (32) to rotate, and then drive the rotating rod (26) to rotate, and further drive each connecting rod (28) to rotate, so that each annular rotating plate (22) rotates, and then drives the first stirring tube (24) and The second stirring tube (25) rotates to stir the solution inside the tank (1); S2. Real-time extraction of raw materials: while the rotating rod (26) is rotating, the spiral blades rotate with the rotating rod (26), while the entire bottom of the cylinder (21) is fixed and does not rotate, so it is in the cylinder The solution at the bottom opening of the cylinder (21) will be transported to the inside of the cylinder (21) along the bottom opening of the cylinder (21) under the action of the screw blade (27), and then reach each first stirring tube ( 24) and the inside of the second stirring tube (25); S3. Up and down turning of raw materials: At this time, the solution extracted from each first stirring tube (24) and second stirring tube (25) has a certain pressure under the continuous delivery of the spiral blade (27), and can be passed through The one-way valve (6) at the outlet end of each first stirring tube (24) and the second stirring tube (25) sprays out, so that the solution originally located at the bottom of the tank (1) can be sprayed on the middle layer and the top layer of the solution, and With the continuous pumping of the spiral blade (27), the solution at the bottom and top of the tank (1) can be exchanged in real time while the first stirring tube (24) and the second stirring tube (25) are stirring the solution, so that The solution located in the bottom layer of the tank (1) can also reach the middle and top layers of the solution, and mix with solutions at different levels, and realize the turning of the solution in the tank (1) by means of extraction, and spray it through the top of the retaining ring (7). The discharged solution can also be hit on the inner wall of the tank (1) and the retaining ring (7), and slowly flow back into the solution along the anti-skid groove, and is constantly being pumped by the first stirring tube (24) and the second stirring tube ( 25) Stirring, extraction, conveying and spraying until the end of stirring; S4: Collection of tricresyl phosphite: After the stirring is completed, the staff opens the valve on the liquid outlet pipe (10), and the staff collects the tricresyl phosphite flowing out of the liquid pipe (10), and the tricresyl phosphite can be completed. Stirring production of tricresyl phosphate.

Images