Dehydration treatment device for ethylene glycol production

Abstract

The utility model discloses a dehydration treatment device for ethylene glycol production, which comprises a dehydration bin, the top of the dehydration bin is detachably connected with an ethylene glycol barrel in an inserted manner, the dehydration bin is provided with a guide rail, the top of the guide rail is provided with a support frame, the inner wall of the top of the support frame is provided with a groove, and the inner wall of the groove is provided with a molecular sieve storage bin in an inserted manner. The inner wall of each molecular sieve storage bin is arranged to be conical, and small holes are evenly formed in the inner wall of each molecular sieve storage bin. By arranging the upper-layer molecular sieve storage bin and the lower-layer molecular sieve storage bin in the dewatering bin to be used in cooperation with molecular sieves, when ethylene glycol is dewatered, the water content in the ethylene glycol can be adjusted according to the water content in the ethylene glycol; the number of molecular sieves for dehydration is flexibly selected, and the bottom of the molecular sieve storage bin is set to be conical, so that dehydrated ethylene glycol can conveniently and accurately fall into the ethylene glycol storage bin under the action of gravity after being enriched.

Description

TECHNICAL FIELD

[0001] The utility model relates to a glycol production equipment technical field, specifically is a kind of dehydration treatment device for glycol production. BACKGROUND

[0002] In the production process of glycol, water removal is a key link, if the water content in product is too high, it can seriously affect the quality of glycol and subsequent application performance, such as reducing its chemical reaction activity, affecting its degree of polymerization in certain specific fields (such as polyester synthesis) etc., the existing traditional glycol dehydration method and device exist dehydration efficiency is low, energy consumption is high, it is not convenient to quickly improve the adsorption of water molecules in glycol and reduce, often need to produce certain consumables, it is not conducive to reduce the cost of producing glycol, it is not convenient to improve work efficiency. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of dehydration treatment device for glycol production to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of dehydration treatment device for glycol production, including dehydration bin, the top of the dehydration bin is detachably inserted and connected with glycol barrel, the guide rail is installed on the dehydration bin, the support frame is installed on the top of the guide rail, the top inner wall of the support frame is provided with recess, the molecular sieve storage bin is inserted and installed in the recess inner wall, the inner wall of the molecular sieve storage bin is tapered, a plurality of small holes are uniformly formed in the inner wall of the molecular sieve storage bin, the molecular sieve is filled in the inner wall of the molecular sieve storage bin, the bottom end of the dehydration bin is slidably connected with glycol storage bin.

[0006] In a preferred embodiment of the utility model, the front end outer wall of the glycol barrel is provided with through hole, and the through hole is located in front of the molecular sieve storage bin.

[0007] In a preferred embodiment of the utility model, the inner wall of the through hole is slidably connected with movable door, and the sealing ring is installed at the connection between the movable door and the through hole.

[0008] In a preferred embodiment of the utility model, the guide plate is fixedly installed on the inner wall of the dehydration bin, and the bottom opening of the guide plate points to the glycol storage bin.

[0009] In a preferred embodiment of the utility model, the second handle is fixedly installed on the top outer portion of the molecular sieve storage bin, the second through hole is formed in the front end outer wall of the dehydration bin, the first counterbore is formed in the inner wall of the second through hole, and the glycol storage bin is in the form of drawer.

[0010] In a preferred embodiment of the utility model, the glycol storage bin front end outer wall fixed mounting panel, the panel and first counterbore inner wall cooperation plug connection, the outer wall fixed mounting handle of panel.

[0011] In a preferred embodiment of the utility model, the glycol bucket top plug connection installs top cover, the glycol bucket bottom fixed connection discharge pipe, the dehydration bin top is equipped with feed inlet, the discharge pipe and feed inlet inner wall cooperation plug connection, the dehydration bin top is equipped with second counterbore.

[0012] In a preferred embodiment of the utility model, the outer wall fixed mounting valve of discharge pipe, the second counterbore is equipped with several, the bottom outer wall of dehydration bin is uniformly fixed connection support leg, the support leg and second counterbore cooperation plug connection, the outer wall of glycol bucket is equipped with viewing window.

[0013] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model.

[0014] 1. by setting up and down two layers of molecular sieve storage bin and molecular sieve cooperation use in dehydration bin, so that when dehydrating glycol, the number of molecular sieve used for dehydration can be flexibly selected according to the water content in glycol, the bottom of molecular sieve storage bin is set as a taper, so that the glycol after dehydration is enriched, which is convenient for accurately falling into the inside of glycol storage bin under the action of gravity;

[0015] 2. by setting glycol bucket, installing support leg at the bottom of glycol bucket, opening second counterbore at the top of dehydration bin for cooperation plug connection, so as to conveniently and quickly complete the positioning of glycol bucket installation, by adjusting valve, so as to flexibly adjust the release speed of glycol according to the situation of adsorbing water molecules, improve the practicality of equipment use. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0017] Figure 1 It is a kind of dehydration treatment device for glycol production main view structure schematic diagram;

[0018] Figure 2 It is a kind of dehydration treatment device for glycol production dehydration bin internal structure schematic diagram;

[0019] Figure 3 It is a kind of dehydration treatment device for glycol production molecular sieve installation structure schematic diagram;

[0020] Figure 4 It is a kind of glycol storage bin structure schematic diagram in the dehydration treatment device for glycol production;

[0021] Figure 5 It is a kind of dehydration bin structure schematic diagram in the dehydration treatment device for glycol production.

[0022] In the figure: dehydration bin 100, movable door 101, through hole 110, guide plate 120, second through hole 130, first counterbore 131, glycol storage bin 140, panel 141, handle 142, second counterbore 150, guide rail 160, support frame 170, groove 171, molecular sieve storage bin 180, second handle 181, molecular sieve 182, glycol bucket 200, viewing window 210, supporting leg 220, discharge pipe 230, valve 231, top cover 240. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] Embodiment 1: as Figures 1-4 , including dehydration bin 100, the top of dehydration bin 100 can be detachably connected with glycol bucket 200, guide rail 160 is installed on dehydration bin 100, support frame 170 is installed on the top of guide rail 160, groove 171 is formed on the inner wall of the top of support frame 170, molecular sieve storage bin 180 is inserted and connected in the inner wall of groove 171, the inner wall of molecular sieve storage bin 180 is tapered, a plurality of small holes are uniformly formed on the inner wall of molecular sieve storage bin 180, molecular sieve 182 is filled in the inner wall of molecular sieve storage bin 180, and glycol storage bin 140 is slidably connected to the bottom end of dehydration bin 100.

[0025] The specific use scene of this embodiment is that: by setting two layers of molecular sieve storage bins 180 and molecular sieves 182 in dehydration bin 100, the number of molecular sieves 182 used for dehydration can be flexibly selected according to the water content in glycol when the glycol is dehydrated, the bottom of molecular sieve storage bin 180 is tapered, so that the dehydrated glycol can be enriched after dehydration, and then accurately fall into glycol storage bin 140 under the action of gravity, glycol bucket 200 is provided, supporting leg 220 is installed at the bottom of glycol bucket 200, second counterbore is formed on the top of dehydration bin 100 for matching plug-in connection, so that the positioning of glycol bucket 200 during installation can be conveniently and quickly completed, valve 231 is adjusted, so that the release speed of glycol can be flexibly adjusted according to the adsorption of water molecules, and the practicability of equipment use is improved.

[0026] Embodiment 2: as Figure 5 , the front end outer wall of the ethylene glycol barrel 200 is provided with a through hole 110, the through hole 110 is located in front of the molecular sieve storage bin 180, the inner wall of the through hole 110 is slidingly connected with a movable door 101, a sealing ring is installed at the connection between the movable door 101 and the through hole 110, the opening of the movable door 101 faces to the right, a guide plate 120 is fixedly installed on the inner wall of the dehydration bin 100, and the opening at the bottom of the guide plate 120 points to the ethylene glycol storage bin 140.

[0027] The specific use scene of this embodiment is that the ethylene glycol after passing through the molecular sieve storage bin 180 can smoothly enter the ethylene glycol storage bin 140 by setting the guide plate 120.

[0028] Embodiment 3: as Figure 4 and Figure 5 , a second handle 181 is fixedly installed on the top of the molecular sieve storage bin 180, a second through hole 130 is formed in the front end outer wall of the dehydration bin 100, a first counterbore 131 is formed in the inner wall of the second through hole 130, the ethylene glycol storage bin 140 is in the form of a drawer, a faceplate 141 is fixedly installed on the front end outer wall of the ethylene glycol storage bin 140, the faceplate 141 is connected in plug-in connection with the inner wall of the first counterbore 131, and a handle 142 is fixedly installed on the outer wall of the faceplate 141.

[0029] The specific use scene of this embodiment is that the molecular sieve storage bin 180 is used to hold the molecular sieve 182, so that the molecular sieve 182 can be conveniently replaced and taken out for heating treatment to restore the adsorption capacity and then reused.

[0030] Embodiment 4: as Figure 1 , a top cover 240 is plug-in installed on the top of the ethylene glycol barrel 200, a discharge pipe 230 is fixedly connected to the bottom of the ethylene glycol barrel 200, an inlet 190 is formed in the top of the dehydration bin 100, the discharge pipe 230 is plug-in connected with the inner wall of the inlet 190, a second counterbore 150 is formed in the top of the dehydration bin 100, a valve 231 is fixedly installed on the outer wall of the discharge pipe 230, a plurality of second counterbores 150 are arranged, the bottom outer wall of the dehydration bin 100 is uniformly connected with a plurality of supporting legs 220, the supporting legs 220 are plug-in connected with the second counterbores 150, and a viewing window 210 is formed in the outer wall of the ethylene glycol barrel 200.

[0031] The specific use scene of this embodiment is that the second counterbores 150 and the supporting legs 220 are plug-in connected, so that the ethylene glycol barrel 200 can be stably installed on the top of the dehydration bin 100, the discharge pipe 230 at the bottom of the dehydration bin 100 is plug-in connected with the inlet 190, and the installation of the ethylene glycol barrel 200 is conveniently positioned.

[0032] The working principle of the utility model is: the technical personnel in the field uses, through the dehydration of the glycol to be introduced into the glycol bucket 200, the movable door 101 is pulled to the right side, then the molecular sieve storage bin 180 is pulled, the molecular sieve storage bin 180 is moved out of the outside of the dehydration bin 100, then the molecular sieve 182 is evenly placed to the inside of the molecular sieve storage bin 180, then the molecular sieve storage bin 180 and the molecular sieve 182 are pushed to the inside of the dehydration bin 100, then the movable door 101 is closed, then the valve 231 of the discharge pipe 230 outer wall is opened, the glycol in the glycol bucket 200 is slowly introduced into the molecular sieve storage bin 180, contacts the molecular sieve 182, the water molecules in the glycol are adsorbed through the molecular sieve 182, the glycol molecules and part of the water molecules not absorbed pass through the upper molecular sieve 182, then enter the lower molecular sieve storage bin 180, carry out double dehydration, then the glycol molecules pass through the lower molecular sieve 182 and fall into the molecular sieve storage bin 180, thereby the dehydration of the glycol is completed, after the molecular sieve 182 absorbs water saturation, the molecular sieve 182 in the molecular sieve storage bin 180 is taken out through the opening movable door 101, the molecular sieve 182 is heated to 300-500 DEG C, the water adsorbed by the molecular sieve 182 is released through water vapor, the adsorption capacity of the molecular sieve 182 is recovered, thereby the molecular sieve 182 is repeatedly used.

[0033] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A dehydration treatment device for ethylene glycol production, comprising a dehydration chamber (100), wherein an ethylene glycol tank (200) is detachably connected to the top of the dehydration chamber (100), a guide rail (160) is mounted on the dehydration chamber (100), and a support frame (170) is mounted on the top of the guide rail (160), characterized in that, The support frame (170) has a groove (171) on its top inner wall. A molecular sieve storage chamber (180) is inserted into the inner wall of the groove (171). The inner wall of the molecular sieve storage chamber (180) is cone-shaped. Small holes are evenly distributed on the inner wall of the molecular sieve storage chamber (180). The inner wall of the molecular sieve storage chamber (180) is filled with molecular sieves (182). The bottom end of the dehydration chamber (100) is slidably connected to an ethylene glycol storage chamber (140).

2. The dehydration treatment device for ethylene glycol production according to claim 1, characterized in that, The front outer wall of the ethylene glycol tank (200) is provided with a through hole (110), which is located in front of the molecular sieve storage chamber (180).

3. The dehydration treatment apparatus for ethylene glycol production according to claim 2, characterized in that, The inner wall of the through hole (110) is slidably connected to the movable door (101), and a sealing ring is installed at the connection between the movable door (101) and the through hole (110). The opening of the movable door (101) faces to the right.

4. The dehydration treatment apparatus for ethylene glycol production according to claim 3, characterized in that, A guide plate (120) is fixedly installed on the inner wall of the dehydration chamber (100), and the bottom opening of the guide plate (120) points to the ethylene glycol storage chamber (140).

5. The dehydration treatment apparatus for ethylene glycol production according to claim 1, characterized in that, The molecular sieve storage chamber (180) has a second handle (181) fixedly installed on the top exterior. The dehydration chamber (100) has a second through hole (130) on the front outer wall. The second through hole (130) has a first countersunk hole (131) on the inner wall. The ethylene glycol storage chamber (140) is drawer-shaped.

6. The dehydration treatment apparatus for ethylene glycol production according to claim 5, characterized in that, A panel (141) is fixedly installed on the outer wall of the front end of the ethylene glycol storage compartment (140). The panel (141) is connected to the inner wall of the first countersunk hole (131) by insertion. A handle (142) is fixedly installed on the outer wall of the panel (141).

7. The dehydration treatment apparatus for ethylene glycol production according to claim 1, characterized in that, A top cover (240) is inserted into the top of the ethylene glycol tank (200), a discharge pipe (230) is fixedly connected to the bottom of the ethylene glycol tank (200), an inlet (190) is opened at the top of the dehydration chamber (100), the discharge pipe (230) is inserted into the inner wall of the inlet (190), and a second countersunk hole (150) is opened at the top of the dehydration chamber (100).

8. A dehydration treatment apparatus for ethylene glycol production according to claim 7, characterized in that, A valve (231) is fixedly installed on the outer wall of the discharge pipe (230). Several second countersunk holes (150) are provided. Support legs (220) are evenly fixedly connected to the bottom outer wall of the dehydration chamber (100). The support legs (220) are inserted into the second countersunk holes (150). A viewing window (210) is provided on the outer wall of the ethylene glycol tank (200).

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