Polymerization production device for polyethylene glycol
By installing weighing and fixing devices in the polyethylene glycol production unit, the problem of inaccurate catalyst addition was solved, enabling accurate catalyst weighing and efficient production and collection of polyethylene glycol, thus improving production efficiency.
Patent Information
- Application Number
- CN202520357561.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing polyethylene glycol production facilities lack weighing devices, leading to inaccurate catalyst addition and affecting production efficiency.
A weighing device, including a weighing plate, a pull rope, a winding frame, and a display, is installed inside the feed inlet of the reactor. The catalyst is accurately weighed by the combined use of the baffle and the pull rope. Rubber bands and clips are installed at the discharge outlet to fix the collection bag, thereby achieving accurate collection of polyethylene glycol.
This method enables accurate weighing of catalysts and efficient production of polyethylene glycol, avoiding inaccurate weighing and the entry of impurities, thus improving production efficiency and ease of collection.
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Figure CN223800494U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field for polyethylene glycol's polymerization production device, especially to a kind of for polyethylene glycol's polymerization production device. BACKGROUND
[0002] Polyethylene glycol is a kind of macromolecular polymer, which is formed by gradually adding polymerization of ethylene oxide and water or ethylene glycol, it has no irritation, slightly bitter taste, with good water solubility, and with many organic components Good compatibility, there are many synthetic methods, one of which is to add gasoline to the reaction kettle, add a certain amount of isopropyl alcohol aluminum as catalyst under stirring, and then remove it to distillation kettle after reaction to obtain.
[0003] The inventor found that when producing polyethylene glycol, a certain amount of catalyst needs to be added to the reaction kettle to promote the production of polyethylene glycol. Generally, the reaction kettle is equipped with a weighing device, which cannot accurately weigh the catalyst, affecting the production efficiency of polyethylene glycol. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a polymerization production device for polyethylene glycol.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a polymerization production device for polyethylene glycol, comprising a reaction kettle, the bottom of the reaction kettle is fixedly connected with a discharge port, the surface of the discharge port is provided with a fixing device, the upper top of the reaction kettle is fixedly connected with a feed port, the inside of the feed port is provided with a weighing device, the upper top of the reaction kettle is provided with a stirring assembly, the weighing device comprises a weighing plate rotatably connected in the feed port, and the upper top of the reaction kettle is fixedly connected with a display.
[0006] The above components achieve the following effects: under the action of the weighing plate and the display, the catalyst can be accurately weighed. When polyethylene glycol needs to be polymerized, the raw materials are put into the reaction kettle, the catalyst is weighed by the weighing device, and then poured into the reaction kettle after weighing. The reaction is carried out to polymerize polyethylene glycol, and then discharged through the discharge port.
[0007] Preferably, the inner wall of the feed port is fixedly connected with a baffle, and the baffle is arranged at the bottom of the weighing plate.
[0008] The above components achieve the following effects: under the action of the baffle, the weighing plate will not be inclined to cause inaccurate weighing.
[0009] Preferably, the upper top of the weighing plate is fixedly connected with a pull rope, the upper top of the feeding port is fixedly connected with a reel, one end of the pull rope is fixedly connected to the surface of the reel, and one end of the reel is inserted with a clamping rod.
[0010] The above-mentioned components achieve the effect that the feeding port is blocked by the weighing plate under the action of the pull rope when the weighing plate is not in use, thereby avoiding the phenomenon that impurities enter the inside of the reaction kettle.
[0011] Preferably, the upper top of the baffle is fixedly connected with a backing plate, and the backing plate is a rubber plate.
[0012] The above-mentioned components achieve the effect that the weighing plate does not directly contact the baffle under the action of the backing plate, thereby avoiding the phenomenon of rigid contact, when the catalyst is weighed, the weighing plate is in a vertical state with the feeding port through the baffle and the pull rope, the catalyst is poured on the surface of the weighing plate, the display is observed to show the number, when the required treatment is weighed, the clamping rod is pulled out, the pull rope on the surface of the reel is separated from the reel, the weighing plate is inclined, and then the catalyst falls into the inside of the reaction kettle, after the pouring is completed, the pull rope is wound on the surface of the reel, and then the other end of the weighing plate contacts the backing plate, thereby the weighing plate is reset, and the weighing effect is achieved.
[0013] Preferably, the fixing device comprises a ring groove opened on the surface of the discharge port, and a rubber band is arranged in the ring groove.
[0014] The above-mentioned components achieve the effect that the collection bag can be fixed on the surface of the discharge port under the action of the rubber band, thereby facilitating the collection of polyethylene glycol.
[0015] Preferably, the surface of the discharge port is fixedly connected with a clamping nail, and the clamping nail is arranged below the ring groove.
[0016] The above-mentioned components achieve the effect that the collection bag can be fixed on the surface of the discharge port under the action of the clamping nail.
[0017] Preferably, the surface of the discharge port is fixedly connected with an L-shaped plate, a clamping rod is inserted into the side surface of the L-shaped plate, and one end of the clamping rod is inserted into the inside of the discharge port.
[0018] The above-mentioned components achieve the effect that the collection bag can be fixed on the surface of the discharge port in the old river valley under the action of the clamping rod.
[0019] Preferably, a spring is sleeved on the surface of the clamping rod, and both ends of the spring are fixedly connected with the side surface of the L-shaped plate and one end of the clamping rod, respectively.
[0020] The effect achieved by the above-mentioned components is that the clamping rod is inserted into the inside of the discharge port under the action of the spring, the collecting bag is sleeved on the surface of the discharge port after the polyethylene glycol is produced, the collecting bag can be fixed on the surface of the discharge port under the action of the clamping nail and the rubber band, and then the polyethylene glycol is conveniently collected, the clamping rod is inserted into the inside of the discharge port under the action of the spring after the collecting bag is clamped on the surface of the discharge port by the rubber band and the clamping nail, and then the fixing effect is achieved.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are that,
[0022] In the utility model, when the catalyst is weighed, the weighing plate is perpendicular to the feed inlet through the baffle and the pull rope, the catalyst is poured on the surface of the weighing plate, the display is observed to show the number, the clamping rod is pulled out when the required treatment is weighed, the pull rope on the surface of the reel is separated from the reel, the weighing plate is inclined, and then the catalyst falls into the inside of the reaction kettle, the pull rope is wound on the surface of the reel after pouring is completed, the other end of the weighing plate is in contact with the backing plate, the weighing plate is reset, and the weighing effect is achieved, thereby solving the problem that the production efficiency of polyethylene glycol is affected due to the fact that the reaction kettle is not provided with a weighing device. BRIEF DESCRIPTION OF DRAWINGS
[0023] Fig. 1 A three-dimensional structure schematic diagram of a polyethylene glycol polymerization production device is proposed for the utility model;
[0024] Fig. 2 A weighing device schematic diagram of a polyethylene glycol polymerization production device is proposed for the utility model;
[0025] Fig. 3 A fixing device schematic diagram of a polyethylene glycol polymerization production device is proposed for the utility model.
[0026] Legend: 1, reaction kettle; 2, weighing device; 21, weighing plate; 22, reel; 23, pull rope; 24, baffle; 25, backing plate; 26, clamping rod; 3, fixing device; 31, ring groove; 32, rubber band; 33, clamping nail; 34, L-shaped plate; 35, clamping rod; 36, spring; 4, feed inlet; 5, stirring assembly; 6, discharge port. DETAILED DESCRIPTION
[0027] Example 1, as Figs. 1-3As shown, a kind of polyethylene glycol polymer production device, including reaction kettle 1, the bottom of reaction kettle 1 is fixedly connected with discharge gate 6, the surface of discharge gate 6 is provided with fixing device 3, the upper top of reaction kettle 1 is fixedly connected with feed inlet 4, the inside of feed inlet 4 is provided with weighing device 2, the upper top of reaction kettle 1 is provided with stirring assembly 5, when the polyethylene glycol is polymerized and produced, raw material is placed in the inside of reaction kettle 1, catalyst is weighed by weighing device 2, after weighing, it is poured into the inside of reaction kettle 1, and the polyethylene glycol is polymerized by reaction, after polymerization, it is discharged by discharge gate 6.
[0028] Referring to Fig. 2 Weighing device 2 includes weighing plate 21 rotatably connected in the inside of feed inlet 4, the upper top of reaction kettle 1 is fixedly connected with display, under the action of weighing plate 21 and display, catalyst can be accurately weighed, when the polyethylene glycol is polymerized and produced, raw material is placed in the inside of reaction kettle 1, catalyst is weighed by weighing device 2, after weighing, it is poured into the inside of reaction kettle 1, and the polyethylene glycol is polymerized by reaction, after polymerization, it is discharged by discharge gate 6, the inner wall of feed inlet 4 is fixedly connected with baffle 24, baffle 24 is arranged at the bottom of weighing plate 21, under the action of baffle 24, weighing plate 21 will not be inclined to cause the phenomenon that weighing is not accurate, the upper top of weighing plate 21 is fixedly connected with pull rope 23, the upper top of feed inlet 4 is fixedly connected with reel 22, one end of pull rope 23 is fixedly connected on the surface of reel 22, one end of reel 22 is inserted with clamping rod 26, under the action of pull rope 23, when not in use, feed inlet 4 can be blocked by weighing plate 21, avoid the phenomenon that impurities enter the inside of reaction kettle 1, the upper top of baffle 24 is fixedly connected with backing plate 25, backing plate 25 is rubber plate, under the action of backing plate 25, weighing plate 21 will not be in direct contact with baffle 24, avoid the phenomenon of rigid contact, when weighing catalyst, weighing plate 21 is in vertical state with feed inlet 4 by baffle 24 and pull rope 23, catalyst is poured on the surface of weighing plate 21, the display is observed, when the required treatment is weighed, clamping rod 26 is pulled out, so that the pull rope 23 on the surface of reel 22 is separated from reel 22, so that weighing plate 21 is inclined, and then the catalyst falls into the inside of reaction kettle 1, after pouring, pull rope 23 is wound on the surface of reel 22, and then the other end of weighing plate 21 is in contact with backing plate 25, and then weighing plate 21 is reset, and then the effect of weighing is achieved.
[0029] Referring to Fig. 3, the fixing device 3 includes the annular groove 31 which is opened on the surface of the discharge port 6, the inside of the annular groove 31 is provided with the rubber band 32, under the action of the rubber band 32, the collecting bag can be fixed on the surface of the discharge port 6, and then the polyethylene glycol is conveniently collected, the surface of the discharge port 6 is fixedly connected with the clamping nail 33, the clamping nail 33 is arranged below the annular groove 31, under the action of the clamping nail 33, the collecting bag can be fixed on the surface of the discharge port 6, the surface of the discharge port 6 is fixedly connected with the L-shaped plate 34, the side surface of the L-shaped plate 34 is inserted with the clamping rod 35, one end of the clamping rod 35 is inserted into the inside of the discharge port 6, under the action of the clamping rod 35, the collecting bag can be fixed on the surface of the discharge port 6, the surface of the clamping rod 35 is sleeved with the spring 36, the two ends of the spring 36 are fixedly connected with the side surface of the L-shaped plate 34 and one end of the clamping rod 35 respectively, under the action of the spring 36, the clamping rod 35 is inserted into the inside of the discharge port 6 in the self-locking phenomenon, when the polyethylene glycol is produced by polymerization, the collecting bag is sleeved on the surface of the discharge port 6, under the action of the clamping nail 33, the collecting bag can be fixed on the surface of the discharge port 6, under the action of the rubber band 32, the collecting bag can be fixed on the surface of the discharge port 6, and then the polyethylene glycol is conveniently collected, when the collecting bag is clamped on the surface of the discharge port 6 by the rubber band 32 and the clamping nail 33, under the action of the spring 36, the clamping rod 35 is inserted into the inside of the discharge port 6 in the self-locking phenomenon, and then the fixing effect is achieved.
[0030] Working principle, when the polyethylene glycol polymerization production device is needed, when the polyethylene glycol is needed to be polymerized, the raw material is put into the inside of the reaction kettle 1, the catalyst is weighed by the weighing device 2, after the weighing is completed, the catalyst is poured into the inside of the reaction kettle 1, the polyethylene glycol is reacted and polymerized, after the polymerization, the polyethylene glycol is discharged through the discharge port 6, when the catalyst is weighed, the weighing plate 21 is vertically arranged with the feed port 4 through the baffle 24 and the pull rope 23, the catalyst is poured on the surface of the weighing plate 21, the display is observed, when the required treatment is weighed, the clamping rod 26 is pulled out, the pull rope 23 on the surface of the reel 22 is separated from the reel 22, the weighing plate 21 is inclined, and then the catalyst falls into the inside of the reaction kettle 1, after the pouring is completed, the pull rope 23 is wound on the surface of the reel 22, and then the other end of the weighing plate 21 is in contact with the backing plate 25, and then the weighing plate 21 is reset, and then the weighing effect is achieved, when the polyethylene glycol is produced by polymerization, the collecting bag is sleeved on the surface of the discharge port 6, under the action of the clamping nail 33, the collecting bag can be fixed on the surface of the discharge port 6, under the action of the rubber band 32, the collecting bag can be fixed on the surface of the discharge port 6, and then the polyethylene glycol is conveniently collected, when the collecting bag is clamped on the surface of the discharge port 6 by the rubber band 32 and the clamping nail 33, under the action of the spring 36, the clamping rod 35 is inserted into the inside of the discharge port 6 in the self-locking phenomenon, and then the fixing effect is achieved.
Claims
1. An apparatus for the polymerization production of polyethylene glycol comprising a reactor (1), characterized in that: The bottom of the reaction kettle (1) is fixedly connected with a discharge port (6), the surface of the discharge port (6) is provided with a fixing device (3), the upper top of the reaction kettle (1) is fixedly connected with a feeding port (4), the inside of the feeding port (4) is provided with a weighing device (2), the upper top of the reaction kettle (1) is provided with a stirring assembly (5), the weighing device (2) comprises a weighing plate (21) rotatably connected in the feeding port (4), and the upper top of the reaction kettle (1) is fixedly connected with a display.
2. The apparatus for the polymerization production of polyethylene glycol according to claim 1, characterized in that: The inner wall of the feeding port (4) is fixedly connected with a baffle (24), and the baffle (24) is arranged at the bottom of the weighing plate (21).
3. The apparatus for the polymerization production of polyethylene glycol according to claim 2, characterized in that: The upper top of the weighing plate (21) is fixedly connected with a pull rope (23), the upper top of the feeding port (4) is fixedly connected with a reel (22), one end of the pull rope (23) is fixedly connected to the surface of the reel (22), and one end of the reel (22) is inserted with a clamping rod (26).
4. The apparatus for the polymerization production of polyethylene glycol according to claim 3, characterized in that: The upper top of the baffle (24) is fixedly connected with a backing plate (25), and the backing plate (25) is a rubber plate.
5. The apparatus for the polymerization production of polyethylene glycol according to claim 4, characterized in that: The fixing device (3) comprises a ring groove (31) formed in the surface of the discharge port (6), and the inside of the ring groove (31) is provided with a rubber band (32).
6. The apparatus for the polymerization production of polyethylene glycol according to claim 5, characterized in that: The surface of the discharge port (6) is fixedly connected with a clamping nail (33), and the clamping nail (33) is arranged below the ring groove (31).
7. The apparatus for the polymerization production of polyethylene glycol according to claim 6, characterized in that: The surface of the discharge port (6) is fixedly connected with an L-shaped plate (34), the side surface of the L-shaped plate (34) is inserted with a clamping rod (35), and one end of the clamping rod (35) is inserted into the inside of the discharge port (6).
8. The apparatus for the polymerization production of polyethylene glycol according to claim 7, characterized in that: The surface of the clamping rod (35) is sleeved with a spring (36), and the two ends of the spring (36) are fixedly connected with the side surface of the L-shaped plate (34) and one end of the clamping rod (35) respectively.