Quaternary phosphonium salt production reaction kettle with uniform temperature

Abstract

The utility model discloses a quaternary phosphonium salt production reaction kettle with uniform temperature, and relates to the technical field of reaction kettles. The reaction kettle comprises a sealing top cover, a heat preservation barrel and a stirring motor, a driven gear is rotationally clamped to the bottom in the heat preservation barrel, a plurality of stirring blades are arranged on the top of the driven gear, the sealing top cover is fixedly clamped to the top of the heat preservation barrel, and a reaction kettle body is fixedly clamped to the bottom of the sealing top cover; a water pipe is arranged at the top of the stirring motor. By arranging the sealing top cover, the heat preservation barrel and the stirring motor, the reaction kettle solves the problems that water temperatures at different positions in the water cooling cavity of the reaction kettle possibly have large difference, and the water cooling cavity generally wraps the outer side of the reaction kettle body, so that when raw materials are cooled, the reaction kettle body has certain temperature difference from inside to outside, and when the temperature of the raw materials is regulated and controlled, the temperature of the raw materials cannot be regulated and controlled. And the overall temperature is not uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of reaction kettles, in particular to a reaction kettle for producing quaternary phosphonium salts with uniform temperature. Background Art

[0002] Tetrakis(hydroxymethyl)phosphonium sulfate, referred to as quaternary phosphonium salt, is a green and environmentally friendly quaternary phosphate fungicide. It has the advantages of good water solubility, low freezing point, stable chemical properties, and long-term storage without affecting its quality. It is used in water treatment, oil field pipelines, fishery breeding and other fields to effectively kill bacteria and algae. At the same time, quaternary phosphonium salt is also an internationally recognized permanent flame retardant for pure cotton and polyester-cotton fabrics. In the preparation process of quaternary phosphonium salt, sulfuric acid and formaldehyde need to be added to the reactor, and the raw materials are mixed through the reactor, but it still has the following disadvantages in actual use:

[0003] 1. The utility model with announcement number CN208260756U discloses a quaternary phosphonium salt synthesis reactor with a circulating mixing function. A mixing motor is set up in the middle of the top of the reactor body. The mixing motor is connected to a stirring main shaft through a reducer. The stirring main shaft is connected to a plurality of connecting rods. The connecting rod is connected to a stirring rod through a hinge. The stirring rod is equipped with a plurality of stirring protrusions; the stirring main shaft is symmetrically connected to two scrapers through a transmission rod, and the scrapers are in contact with the inner wall of the reactor body; a hydraulic cylinder is set at the lower end of the stirring main shaft, and two mixing mechanisms are symmetrically set on both sides of the hydraulic cylinder. The mixing mechanism includes a mixing rod. During the mixing reaction of the quaternary phosphonium salt, since the quaternary phosphonium salt has a high requirement for the reaction temperature, the reactor often needs to cool the raw materials by injecting water into the water-cooled cavity and exchanging heat between the cold water and the reactor body to ensure that the reaction temperature is always within an appropriate range. However, in order to ensure that the cold water is in full contact with the surface of the reactor, the water inlet and the water outlet of the water-cooled cavity are usually spaced a certain distance apart, resulting in a large difference in water temperature at different positions in the water-cooled cavity, which may further lead to different temperatures at various positions in the reactor, affecting the reaction;

[0004] 2. When the reactor controls the temperature of the quaternary phosphonium salt, since the water-cooling cavity is usually wrapped on the outside of the reactor body, there is a certain temperature difference from the inside to the outside of the reactor body when the raw materials are cooled down. Although the raw materials can be stirred to make them contact with the surface of the reactor body and the raw materials can be cooled down quickly, it usually takes a certain amount of time for the temperature of the reaction raw materials to change. In particular, when a large amount of raw materials are processed by reaction, the time required for the temperature change is relatively long, which reduces the reaction efficiency. Utility Model Content

[0005] The utility model aims to provide a quaternary phosphonium salt production reactor with uniform temperature. By means of a sealed top cover, a heat preservation barrel and a stirring motor, the utility model solves the problem that the water inlet and the water outlet of the water-cooling cavity of the reactor are usually spaced a certain distance apart, resulting in large differences in water temperature at different positions in the water-cooling cavity, and the water-cooling cavity is usually wrapped around the outside of the reactor body. Therefore, when the raw materials are cooled, there is a certain temperature difference from the inside to the outside of the reactor body, and the overall temperature of the raw materials is relatively uneven when the temperature is controlled.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a temperature-uniform quaternary phosphonium salt production reactor, comprising a sealed top cover, a heat preservation barrel and a stirring motor, wherein a driven gear is rotatably clamped at the bottom of the heat preservation barrel, a plurality of stirring blades are arranged on the top of the driven gear, a sealed top cover is clamped and fixed at the top of the heat preservation barrel, a reactor body is clamped and fixed at the bottom of the sealed top cover, a stirring motor is arranged at the bottom of the heat preservation barrel, a water pipe is arranged on the top of the stirring motor, and the water pipe penetrates and is clamped and connected at the center of the bottom of the heat preservation barrel and the reactor body;

[0008] The stirring motor can drive the driven gear to rotate, and further drive the stirring blade to rotate, so as to stir the water passing through the insulation barrel, so that the water temperatures at different positions in the insulation barrel are quickly mixed and evenly mixed through the stirring of the water, thereby ensuring a relatively uniform cooling of the surface of the reactor body. At the same time, the stirring motor can drive the water pipe and the water scraper to rotate, so as to mix and react the raw materials in the reactor body, and the cold water used for cooling the raw materials first enters the water pipe, cools the raw materials through the low-temperature water pipe and the water scraper, and then enters the insulation barrel through the bottom of the water pipe to cool the surface of the reactor body, thereby improving the cooling efficiency of the raw materials and ensuring the uniformity of the temperature change of the raw materials.

[0009] Furthermore, a water inlet pipe is inserted through the center of the top of the sealing top cover, a feed hopper is inserted through one side of the top of the sealing top cover, a discharge pipe is inserted through one side of the bottom of the reactor body, the water inlet pipe is connected with the water pipe, and the feed hopper is connected with the reactor body;

[0010] Cold water can be input into the water pipe through the water inlet pipe, and further input into the insulation barrel, so as to cool down the inside and outside of the reactor body simultaneously, thereby improving the temperature control efficiency.

[0011] Furthermore, a drainage pipe is welded through the top of the outer peripheral surface of the insulation barrel, and a heat insulation support frame is clamped and fixed around the bottom of the insulation barrel. The reactor body is inserted into the center of the insulation barrel, and the discharge pipe is clamped through the bottom of the insulation barrel.

[0012] The main body of the reactor can be insulated by the insulation barrel to prevent the external temperature from affecting the reaction temperature and ensure the temperature stability during raw material processing. By pouring cold water into the insulation barrel, the outer wall of the main body of the reactor can be cooled, and the raw materials can be further cooled to ensure the reaction temperature of the raw materials.

[0013] Furthermore, a plurality of support rods are clamped and fixed on the top of the driven gear, the stirring blades are welded and fixed to the outer peripheral surface of the support rods, and the stirring blades are located on the outer peripheral surface of the reactor body;

[0014] The rotation of the driven gear can further drive the support rod and the stirring blade to rotate with the reactor body as the axis, stirring the water entering the insulation barrel, so that the water temperature at different positions in the insulation barrel is quickly mixed and evenly mixed through the stirring of the water, ensuring a relatively uniform cooling of the surface of the reactor body.

[0015] Furthermore, a transmission assembly is clamped on the top of the stirring motor, a driving gear is rotatably clamped on one end of the top of the transmission assembly, the water pipe is rotatably clamped on the other end of the top of the transmission assembly, the driving gear and the water pipe are connected to the stirring motor through the transmission assembly, the transmission assembly is clamped and fixed on the bottom of the insulation barrel, the driving gear penetrates and is inserted into the bottom of the insulation barrel, and the driving gear is meshed with the inner wall of the driven gear;

[0016] The stirring motor can drive the water pipe to rotate, and further drive the water scraper to rotate, so that the raw materials in the reactor body can be mixed and reacted, and at the same time, the raw materials adhering to the inner wall of the reactor body can be scraped off to ensure the reaction efficiency.

[0017] Furthermore, a water scraper is welded through the outer circumference of the water pipe, a water outlet is opened through the bottom of the outer circumference of the water pipe, the water scraper is attached to the inner wall of the reactor body, and the water outlet is located at the bottom of the reactor body;

[0018] The cold water used to cool the raw materials first enters the water pipe and the water scraper, cools the raw materials through the low-temperature water pipe and the water scraper, and then enters the insulation barrel through the water outlet to cool the surface of the reactor body, thereby improving the cooling efficiency of the raw materials and ensuring the uniformity of the raw material temperature change.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model solves the problem that in the process of mixing reaction of quaternary phosphonium salt, due to the high requirement of reaction temperature for quaternary phosphonium salt, the reactor often needs to cool down the raw materials by injecting water into the water-cooling cavity and exchanging heat between the cold water and the reactor body to ensure that the reaction temperature is always in an appropriate range by arranging a heat-insulating barrel and a stirring motor. However, in order to ensure that the cold water and the surface of the reactor are in full contact, the water inlet and the water outlet of the water-cooling cavity are usually spaced a certain distance apart, resulting in a large difference in water temperature at different positions in the water-cooling cavity, which may further lead to different temperatures at various positions in the reactor and affect the reaction. The stirring motor drives the driving gear to rotate through the transmission assembly, and further drives the driven gear and the stirring blade to rotate with the reactor body as the axis, so that the water temperatures at different positions in the heat-insulating barrel are quickly mixed and evenly mixed by stirring the water, ensuring a relatively uniform cooling of the surface of the reactor body.

[0021] 2. The utility model solves the problem that when the reactor controls the temperature of quaternary phosphonium salt, since the water-cooling cavity is usually wrapped on the outside of the reactor body, there is a certain temperature difference from the reactor body to the outside when the raw materials are cooled down. Although the raw materials can be stirred to make them contact with the surface of the reactor body and the raw materials can be cooled down quickly, the temperature change of the reaction raw materials usually takes a certain amount of time. In particular, when a large amount of raw materials are reacted and processed, the time required for the temperature change is relatively long, thereby reducing the reaction efficiency. When cooling is required, cold water enters the water pipe through the water inlet pipe, and the raw materials in the reactor body are cooled down through the water pipe and the water scraper. The flowing cold water then enters the heat-insulating barrel through the bottom of the water pipe to cool down the outer wall of the reactor body. The inside and outside of the reactor body are cooled down synchronously, thereby improving the temperature control efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural effect diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of the utility model;

[0024] Figure 3 This is a structural diagram of the sealing top cover of the utility model;

[0025] Figure 4 This is a structural diagram of the insulation barrel of the utility model;

[0026] Figure 5 It is a cross-sectional view of the insulation barrel of the utility model;

[0027] Figure 6 This is a structural diagram of the stirring motor and water pipe of the utility model.

[0028] Reference numerals:

[0029] 1. Sealing top cover; 101. Water inlet pipe; 102. Reactor body; 103. Feed hopper; 104. Discharge pipe; 2. Insulation barrel; 201. Driven gear; 202. Insulation support frame; 203. Drain pipe; 204. Support rod; 205. Stirring blade; 3. Stirring motor; 301. Water pipe; 302. Water scraper; 303. Water outlet; 304. Transmission assembly; 305. Drive gear. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] See also Figure 1-6 As shown, the utility model is a temperature-uniform quaternary phosphonium salt production reactor, comprising a sealed top cover 1, a heat preservation barrel 2 and a stirring motor 3, a driven gear 201 is rotatably clamped at the bottom of the heat preservation barrel 2, a plurality of stirring blades 205 are arranged on the top of the driven gear 201, a sealed top cover 1 is clamped and fixed on the top of the heat preservation barrel 2, a reactor body 102 is clamped and fixed on the bottom of the sealed top cover 1, a stirring motor 3 is arranged at the bottom of the heat preservation barrel 2, a water pipe 301 is arranged on the top of the stirring motor 3, and the water pipe 301 runs through and is clamped and connected to the center of the bottom of the heat preservation barrel 2 and the reactor body 102;

[0032] When the quaternary phosphonium salt raw material needs to be processed and reacted, the raw material is poured into the feed hopper 103, and the raw material falls into the reactor body 102 under the action of gravity. The raw material is heated by the reactor body 102, and the stirring motor 3 drives the water pipe 301 and the water scraper 302 to rotate, and the raw material is stirred to make the raw material mixed evenly, thereby improving the processing efficiency. When the reaction temperature exceeds the threshold value, cold water is poured into the water pipe 301 through the water inlet pipe 101, and the cold water cools the stirred raw material through the water pipe 301 and the water scraper 302. The flowing cold water enters the insulation barrel 2 through the water outlet 303 under the action of pressure, cools the surface of the reactor body 102, and discharges the heated water through the drain pipe 203, and drives the driven gear 201 to rotate through the stirring motor 3, further drives the stirring blade 205 to rotate, stirs the water passing through the insulation barrel 2, mixes the cold and hot water, and ensures the consistency of the water temperature in the insulation barrel 2.

[0033] Among them Figure 1-3 As shown, a water inlet pipe 101 is inserted through the center of the top of the sealing top cover 1, a feed hopper 103 is inserted through one side of the top of the sealing top cover 1 and welded, a discharge pipe 104 is inserted through one side of the bottom of the reactor body 102 and welded, the water inlet pipe 101 is connected to the water pipe 301, and the feed hopper 103 is connected to the reactor body 102;

[0034] When the quaternary phosphonium salt raw material needs to be processed and reacted, the raw material is poured into the feed hopper 103, and the raw material enters the reactor body 102 under the action of gravity, and the raw material is heated and stirred by the reactor to make the raw material mixed and reacted. After the raw material processing is completed, the discharge pipe 104 is opened to discharge the quaternary phosphonium salt.

[0035] Among them Figure 1 , 2 As shown in , 4, and 5, a drain pipe 203 is welded through the top of the outer peripheral surface of the insulation barrel 2, and a heat insulation support frame 202 is clamped and fixed around the bottom of the insulation barrel 2. The reactor body 102 is inserted into the center of the insulation barrel 2, and the discharge pipe 104 is clamped and connected to the bottom of the insulation barrel 2. A plurality of support rods 204 are clamped and fixed on the top of the driven gear 201, and the stirring blades 205 are welded and fixed to the outer peripheral surface of the support rods 204, and the stirring blades 205 are located on the outer peripheral surface of the reactor body 102;

[0036] During the raw material reaction process, when the temperature reaches the reaction threshold or the temperature needs to be adjusted, cold water enters the water pipe 301 through the water inlet pipe 101 to cool the raw materials. The cold water enters the insulation barrel 2 through the water outlet 303 under pressure, cools the surface of the reactor body 102, and is finally discharged through the drain pipe 203. During the cooling process, the rotation of the driven gear 201 further drives the support rod 204 and the stirring blade 205 to rotate around the reactor body 102 as the axis, stirs the water entering the insulation barrel 2, mixes the cold and hot water, and ensures the consistency of the water temperature in the insulation barrel 2.

[0037] Among them Figure 1 , 2 As shown in , 6, a transmission assembly 304 is clamped on the top of the stirring motor 3, and a driving gear 305 is rotatably clamped on one end of the top of the transmission assembly 304. The water pipe 301 is rotatably clamped on the other end of the top of the transmission assembly 304. The driving gear 305 and the water pipe 301 are connected to the stirring motor 3 through the transmission assembly 304. The transmission assembly 304 is clamped and fixed to the bottom of the insulation barrel 2, and the driving gear 305 is inserted through the bottom of the insulation barrel 2. The driving gear 305 is meshed with the inner wall of the driven gear 201. A water scraper 302 is welded on the outer circumference of the water pipe 301, and a water outlet 303 is opened on the bottom of the outer circumference of the water pipe 301. The water scraper 302 is attached to the inner wall of the reactor body 102, and the water outlet 303 is located at the bottom of the reactor body 102.

[0038] When the raw materials are reacting, the stirring motor 3 drives the water pipe 301 and the driving gear 305 to rotate through the transmission component 304, and further drives the water scraper 302 to rotate, so as to stir and mix the raw materials in the reactor body 102, and at the same time scrape off the raw materials adhering to the inner wall of the reactor body 102.

[0039] The specific working principle of the utility model is as follows: when the quaternary phosphonium salt raw material needs to be processed and reacted, the raw material is poured into the feed hopper 103, the raw material enters the reactor body 102 under the action of gravity, and the raw material is heated by the reactor, the stirring motor 3 drives the water pipe 301 and the driving gear 305 to rotate through the transmission component 304, and further drives the water scraper 302 to rotate, stirs and mixes the raw materials in the reactor body 102, and at the same time, the raw materials adhering to the inner wall of the reactor body 102 are scraped off, and at the same time, the rotation of the driving gear 305 drives the driven gear 201 to rotate, and further drives the support rod 204 and the stirring plate 302 to rotate. The stirring blade 205 rotates with the reactor body 102 as the axis. When the raw materials need to be cooled, cold water is pumped into the water pipe 301 through the water inlet pipe 101. The cold water cools the stirred raw materials through the water pipe 301 and the water scraper 302. The flowing cold water enters the insulation barrel 2 through the water outlet 303 under pressure to cool the surface of the reactor body 102. The water passing through the insulation barrel 2 is stirred by the rotation of the stirring blade 205 to mix the cold and hot water to ensure the consistency of the water temperature in the insulation barrel 2. The heated water is discharged through the drain pipe 203. After the processing is completed, the discharge pipe 104 is opened to discharge the quaternary phosphonium salt.

[0040] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A temperature-uniform quaternary phosphonium salt production reactor, comprising a sealed top cover (1), a heat-insulating barrel (2) and a stirring motor (3), characterized in that: A driven gear (201) is rotatably engaged at the bottom of the heat preservation barrel (2), a plurality of stirring blades (205) are arranged on the top of the driven gear (201), a sealing top cover (1) is fixedly engaged at the top of the heat preservation barrel (2), a reactor body (102) is fixedly engaged at the bottom of the sealing top cover (1), a stirring motor (3) is arranged at the bottom of the heat preservation barrel (2), a water pipe (301) is arranged on the top of the stirring motor (3), and the water pipe (301) passes through and is engaged at the center of the bottom of the heat preservation barrel (2) and the reactor body (102).

2. A quaternary phosphonium salt production reactor with uniform temperature according to claim 1, characterized in that: A water inlet pipe (101) is inserted and clamped through the center of the top of the sealing top cover (1), a feeding hopper (103) is inserted and welded through one side of the top of the sealing top cover (1), a discharge pipe (104) is inserted and welded through one side of the bottom of the reactor body (102), the water inlet pipe (101) and the water pipe (301) are connected through the inside, and the feeding hopper (103) and the reactor body (102) are connected through the inside.

3. A temperature-uniform quaternary phosphonium salt production reactor according to claim 2, characterized in that: A drainage pipe (203) is welded through the top of the outer peripheral surface of the insulation barrel (2), and a heat insulation support frame (202) is clamped and fixed around the bottom of the insulation barrel (2). The reaction kettle body (102) is inserted into the center of the insulation barrel (2), and the discharge pipe (104) is penetrated and clamped at the bottom of the insulation barrel (2).

4. A temperature-uniform quaternary phosphonium salt production reactor according to claim 1, characterized in that: A plurality of support rods (204) are clamped and fixed on the top of the driven gear (201), and the stirring blades (205) are welded and fixed to the outer peripheral surface of the support rods (204). The stirring blades (205) are located on the outer peripheral surface of the reactor body (102).

5. The temperature-uniform quaternary phosphonium salt production reactor according to claim 1, characterized in that: The top of the stirring motor (3) is clamped with a transmission assembly (304), one end of the top of the transmission assembly (304) is rotatably clamped with a driving gear (305), the water pipe (301) is rotatably clamped with the other end of the top of the transmission assembly (304), the driving gear (305) and the water pipe (301) are connected in transmission via the transmission assembly (304) and the stirring motor (3), the transmission assembly (304) is clamped and fixed to the bottom of the heat preservation barrel (2), the driving gear (305) penetrates and is inserted into the bottom of the heat preservation barrel (2), and the driving gear (305) is meshed with the inner wall of the driven gear (201).

6. A temperature-uniform quaternary phosphonium salt production reactor according to claim 1, characterized in that: A water scraper (302) is welded through the outer circumference of the water pipe (301), and a water outlet (303) is opened through the bottom of the outer circumference of the water pipe (301). The water scraper (302) is attached to the inner wall of the reactor body (102), and the water outlet (303) is located at the bottom of the reactor body (102).

Images