Water removal device for preparing ethylene glycol diacetate

Abstract

The utility model discloses a water removal device for preparing ethylene glycol diacetate, and belongs to the technical field of ethylene glycol diacetate preparation equipment. The structure comprises a feeding conveying belt, a feeding driving motor, a water removal bin, a water removal driving motor and an exhaust pipe, a discharging opening is formed in the lower side of the feeding conveying belt in a matched mode, the lower portion of the discharging opening is matched with the upper end of the water removal bin in position, and a main rotating shaft extends inwards to the inner position of the water removal bin. The main rotating shaft is coaxially provided with water removal blades in the water removal bin, and a transition pipe is arranged below the water removal bin in a matched mode. According to the device, an ethylene glycol diacetate water removal device is optimized and improved, a water removal process is carried out on a product by adopting a water removal blade molecular sieve structural design, and compared with a traditional heating water removal mode, the water removal efficiency of the product is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glycol diacetate preparation equipment technical field, specifically is a kind of glycol diacetate preparation water removal device. BACKGROUND

[0002] Glycol diacetate has the general chemical property of ester, and is easily hydrolyzed into alcohol and acetic acid in the presence of caustic soda and inorganic acid. Its molecular structure is unique, containing both nonpolar groups and polar groups, so it has good solubility for polar and nonpolar substances.

[0003] In the esterification reaction, glycol and acetic acid react to form glycol diacetate and water. Since the reaction is reversible, timely removal of the water generated by the reaction is beneficial to promoting the reaction to proceed in the direction of generating ester, thereby improving the yield. At the same time, the residual moisture in the product will also reduce its performance, such as solubility, stability, etc., so it needs to be treated by water removal. Currently, in the process of water removal treatment of glycol diacetate, heating method is generally used for water removal treatment. However, in the heating process, too high temperature may cause decomposition of the product itself, affecting the product yield. SUMMARY

[0004] The utility model discloses a kind of glycol diacetate preparation water removal devices, by being set in the water removal warehouse inside the mode of water removal vane, using the mode of water removal vane adsorption of molecular sieve to remove water, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of glycol diacetate preparation water removal device, including feeding conveyor, feeding drive motor, water removal warehouse, water removal drive motor and exhaust pipe, the feeding conveyor inside is provided with cooperation pivot, the cooperation pivot is cooperated with the output end of feeding drive motor, spiral feeding belt is coaxially arranged on the cooperation pivot, the lower side position of the upper end of the spiral feeding belt is cooperatively arranged with discharge port, the discharge port lower side is cooperatively arranged with the upper end position of water removal warehouse, water removal drive motor is cooperatively arranged with the outer position of water removal warehouse, the output end of water removal drive motor is coaxially arranged with main shaft, limit support and coupling are cooperatively arranged with the left position of water removal drive motor, and limit support and coupling are coaxially cooperated with main shaft, main shaft extends to the inside position of water removal warehouse, water removal vane is coaxially arranged in the inside of water removal warehouse of main shaft, and transition pipe is cooperatively arranged below water removal warehouse.

[0007] As a further scheme of the utility model: the main shaft is coaxially provided with hydraulic protection component, and the hydraulic protection component is arranged in the inside position of water removal warehouse.

[0008] As a further scheme of the utility model: the position below the transition pipe is matched with a collecting pipeline, and the collecting pipeline is internally provided with a flow sensor.

[0009] As a further scheme of the utility model: the left position of the water removal bin is matched with an exhaust pipe, and a purification filter membrane is arranged between the water removal bin and the exhaust pipe.

[0010] As a further scheme of the utility model: a plurality of uniformly arranged upper exhaust outlets are arranged at the upper position of the water removal bin.

[0011] As a further scheme of the utility model: an outer limiting groove is arranged at the upper position of the feeding conveyor belt, and a height support backing plate extends downward at the outer wall position of the center of the feeding conveyor belt.

[0012] Compared with the prior art, the utility model has the beneficial effects that the device optimizes and improves the ethylene glycol diacetate water removal device, adopts the water removal blade molecular sieve structure design, removes water from the product, effectively improves the product water removal efficiency compared with the traditional heating water removal mode, and adds the purification filter membrane at the outer position of the water removal bin, can filter and treat the harmful gas in the water removal bin, and thus improves the gas purification capacity in the working process of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a side view structure diagram of the utility model;

[0014] Fig. 2 It is a front view structure diagram of the utility model.

[0015] In the drawing: 1, feeding conveyor belt; 2, outer limiting groove; 3, spiral feeding belt; 4, height support backing plate; 5, matched rotating shaft; 6, feeding driving motor; 7, discharging port; 8, water removal bin; 9, water removal driving motor; 10, limiting support; 11, shaft coupling; 12, hydraulic protection component; 13, main rotating shaft; 14, water removal blade; 15, upper exhaust outlet; 16, transition pipe; 17, collecting pipeline; 18, flow sensor; 19, purification filter membrane; 20, exhaust pipe. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Embodiment 1

[0018] Please refer to Figs. 1-2 The embodiment provides a water removal device for preparing ethylene glycol diacetate, which comprises a feeding conveyor belt 1, a feeding driving motor 6, a water removal bin 8, a water removal driving motor 9 and an exhaust pipe 20. The feeding conveyor belt 1 is internally provided with a matching rotating shaft 5, the matching rotating shaft 5 is matched with the output end of the feeding driving motor 6, a spiral feeding belt 3 is coaxially arranged on the matching rotating shaft 5, a discharge port 7 is matched and arranged at the lower side of the upper end of the spiral feeding belt 3, the lower side of the discharge port 7 is matched with the upper end position of the water removal bin 8, the water removal driving motor 9 is matched and arranged at the outer position of the water removal bin 8, a main rotating shaft 13 is coaxially arranged at the output end of the water removal driving motor 9, a limiting support 10 and a shaft coupling 11 are matched and arranged at the left side position of the water removal driving motor 9, and the limiting support 10 and the shaft coupling 11 are coaxially matched with the main rotating shaft 13, the main rotating shaft 13 extends inwardly to the inner position of the water removal bin 8, and a water removal blade 14 is coaxially arranged in the water removal bin 8, and a transition pipe 16 is matched and arranged below the water removal bin 8.

[0019] Further, a hydraulic protection part 12 is coaxially arranged on the main rotating shaft 13 and arranged at the inner position of the water removal bin 8. During the rotation of the main rotating shaft 13, the hydraulic protection part 12 can correct the axial direction of the main rotating shaft 13, thereby improving the axial rotation accuracy.

[0020] Further, a collecting pipe 17 is matched and arranged at the lower position of the transition pipe 16, and a flow sensor 18 is arranged in the collecting pipe 17. The transition pipe 16 and the collecting pipe 17 can collect and transport finished products, and the flow sensor 18 arranged on the collecting pipe 17 can monitor the flow during the whole process, thereby improving the work efficiency of workers.

[0021] Further, an exhaust pipe 20 is matched and arranged at the left side position of the water removal bin 8, and a purification filter membrane 19 is arranged between the water removal bin 8 and the exhaust pipe 20. The purification filter membrane 19 is internally provided with an activated carbon filter layer, which can filter harmful gases generated in the water removal bin 8, thereby reducing pollution.

[0022] Further, a plurality of uniformly arranged upper exhaust ports 15 are arranged at the upper position of the water removal bin 8. During the working process of the device, the upper exhaust ports 15 can be used as auxiliary connecting ports to be connected with external equipment, thereby improving the expandability of the device.

[0023] Further, the upper feeding conveyor belt 1 is provided with an outer limiting groove 2 at the upper position, and a height supporting base plate 4 is extended downward at the outer wall position of the upper feeding conveyor belt 1.

[0024] It should be noted that, in this document, the terms“first” and“second” and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms“comprises,”“comprising,” or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, inclusion of an element in a list of elements does not exclude the existence of additional identical elements in the process, method, article, or apparatus.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms“mounting”,“setting”,“connecting”,“fixing”,“screw connecting” and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0026] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dehydration device for the preparation of ethylene glycol diacetate, characterized in that, The system includes a feeding conveyor belt (1), a feeding drive motor (6), a dewatering chamber (8), a dewatering drive motor (9), and an exhaust pipe (20). The feeding conveyor belt (1) has a mating shaft (5) inside, which is mated with the output end of the feeding drive motor (6). A spiral feeding belt (3) is coaxially mounted on the mating shaft (5). A discharge port (7) is located at the lower side of the upper end of the spiral feeding belt (3). The lower part of the discharge port (7) mates with the upper end of the dewatering chamber (8). The dewatering chamber (8) is externally equipped with… A dewatering drive motor (9) is provided, and a main shaft (13) is coaxially provided at the output end of the dewatering drive motor (9). A limit bracket (10) and a coupling (11) are provided on the left side of the dewatering drive motor (9), and the limit bracket (10) and the coupling (11) are coaxially connected with the main shaft (13). The main shaft (13) extends inward to the inside of the dewatering chamber (8). A dewatering blade (14) is coaxially provided on the main shaft (13) inside the dewatering chamber (8), and a transition pipe (16) is provided below the dewatering chamber (8).

2. The dehydration device for preparing ethylene glycol diacetate according to claim 1, characterized in that, A hydraulic protection component (12) is coaxially arranged on the main rotating shaft (13), and the hydraulic protection component (12) is located inside the water removal chamber (8).

3. The dehydration device for preparing ethylene glycol diacetate according to claim 1, characterized in that, A collection pipe (17) is provided below the transition pipe (16), and a flow sensor (18) is provided inside the collection pipe (17).

4. The dehydration device for preparing ethylene glycol diacetate according to claim 1, characterized in that, An exhaust pipe (20) is provided on the left side of the dewatering chamber (8), and a purification filter membrane (19) is provided between the dewatering chamber (8) and the exhaust pipe (20).

5. The dehydration device for preparing ethylene glycol diacetate according to claim 1, characterized in that, Multiple evenly spaced upper exhaust ports (15) are provided above the water removal chamber (8).

6. The dehydration device for preparing ethylene glycol diacetate according to claim 1, characterized in that, An outer limiting groove (2) is provided above the feeding conveyor belt (1), and a height support pad (4) extends downward from the outer wall of the center of the feeding conveyor belt (1).

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