Chemical raw material recovery device

Abstract

The utility model belongs to the technical field of chemical raw materials, and particularly relates to a chemical raw material recovery device which comprises a mounting plate, fractionating towers are respectively arranged in the mounting plate, a tower top cover is arranged at the top of each fractionating tower, an input pipe is arranged on one side of the top of each tower top cover, and a connecting pipe is arranged on the other side of the top of each tower top cover. The tower top covers are connected through a connecting pipe, a cooling box is arranged at one end of the top of each tower top cover, and a first water pump is arranged at the top of each cooling box. The tertiary butanol recovery effect is improved through dual treatment, after liquefied tertiary butanol enters the last group of fractionating tower, the Karl Fischer moisture meter works to detect the interior of the final group of fractionating tower, the purity of the tertiary butanol is ensured, and when the purity is not enough, the second water pump works, so that the tertiary butanol recovery effect is improved. Tert-butyl alcohol in the last group of fractionating tower is pumped out and then conveyed into the previous group of fractionating tower through a conveying pipe, so that the tert-butyl alcohol is gasified and distilled again until the purity is proper.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chemical raw material technical field, concretely relates to a chemical raw material recovery device. BACKGROUND

[0002] 2-methyl-2-propanol is an organic compound, chemical formula is C4H10O, is mainly used as organic solvent and chemical raw material, also is the raw material for preparing medicine, spice, is sealed in cool dry place and is preserved. Can be stored with mild steel or aluminum container. Package with galvanized iron drum, prevent exposure to sun in transportation, the storage or transportation temperature should not be lower than -4 DEG C in winter. According to the storage and transportation of flammable chemicals.

[0003] The tertiary butyl alcohol rich solution generated in the production process of photoinitiator needs to be recovered, and the general recovery device cannot well treat and recover it in use, resulting in insufficient purity and affecting the recovery effect. UTILITY MODEL CONTENT

[0004] To solve the problems in the above background art, the utility model provides a chemical raw material recovery device, which solves the problem that the recovery device cannot well treat and recover the chemical raw material, resulting in insufficient purity and affecting the recovery effect.

[0005] To achieve the above object, the utility model provides the following technical scheme: a chemical raw material recovery device, which comprises a mounting plate, a fractionating column is arranged in the mounting plate, a tower top cover is arranged at the top of the fractionating column, an input pipe is arranged at one side of the top of the tower top cover, a connecting pipe is arranged at the other side of the top of the tower top cover, the tower top covers are connected through the connecting pipe, a cooling box is arranged at one end of the top of the tower top cover, a first water pump is arranged at the top of the cooling box, a water pipe is connected to the output end of the first water pump, a cooling cover barrel is connected to one end of the water pipe, and the cooling cover barrel is located on the surface of the connecting pipe, a reflux pipe is connected to the bottom of the cooling cover barrel, one end of the reflux pipe is connected to the cooling box, a refrigeration device is arranged on one side of the cooling box, a Karl Fischer water content tester is arranged at the top of the top of the right tower top cover, a heating plate is arranged at the bottom of the fractionating column, the number of the heating plates is two, a motor is arranged at the top of the tower top cover, a rotating shaft is connected to the output end of the motor, and stirring plates are arranged on the surface of the rotating shaft.

[0006] Preferably, the surface of the fractionating column and the tower top cover is provided with a fixing ring, bolts are arranged around the fixing ring, and nuts are threadedly connected to one end of the bolts penetrating through the fixing ring.

[0007] Preferably, a second water pump is arranged at the other end of the top of the tower top cover, a conveying pipe is connected to the output end of the second water pump, and one end of the conveying pipe is connected to the tower top cover in the middle.

[0008] Preferably, a branch pipe is connected to the bottom of the fractionating tower, one end of the branch pipe penetrates through the heating plate and is connected with a connector, one side of the connector is connected with a second discharge pipe, and a second valve is mounted on the surface of the branch pipe.

[0009] Preferably, a ventilation pipe is arranged on one side of the top of the cooling box, and a sponge cover is mounted on the top of the ventilation pipe.

[0010] Preferably, a first discharge pipe is connected to the bottom of the fractionating tower, and a first valve is mounted on the surface of the first discharge pipe.

[0011] Preferably, support legs are arranged around the bottom of the mounting plate, and anti-skid bases are mounted on the bottom of the support legs.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In use, the fractionating tower, the heating plate, the motor, the rotating shaft and the stirring plate are cooperatively arranged to drive the rich liquid to flow, thereby increasing the heating effect; when the temperature reaches 83 DEG C, the tertiary butyl alcohol in the rich liquid is vaporized, enters the connecting pipe, is cooled by the cooling cover barrel, is liquefied, and then enters another group of fractionating towers, is operated again, is treated twice, thereby increasing the effect of recovering the tertiary butyl alcohol, and the liquefied tertiary butyl alcohol enters the last group of fractionating towers, the Karl Fischer water tester is operated to detect the inside of the last group of fractionating towers, thereby ensuring the purity of the tertiary butyl alcohol; when the purity is insufficient, the second water pump is operated to pump the tertiary butyl alcohol in the last group of fractionating towers into the previous group of fractionating towers, so that the tertiary butyl alcohol is vaporized and distilled again until the purity is appropriate. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0015] Figure 1 It is the first kind of solid structure diagram of the utility model;

[0016] Figure 2 It is the second kind of solid structure diagram of the utility model;

[0017] Figure 3 It is the third kind of solid structure diagram of the utility model;

[0018] Figure 4 It is the schematic view of the stirring plate.

[0019] In the figure: 1, mounting plate; 2, fractionating column; 3, fixed ring; 4, tower top cover; 5, motor; 6, input pipe; 7, cooling cover barrel; 8, water pipe; 9, first water pump; 10, conveying pipe; 11, connecting pipe; 12, cooling box; 13, refrigerator; 14, Karl Fischer moisture meter; 15, second water pump; 16, support leg; 17, anti-skid base; 18, first valve; 19, first discharge pipe; 20, second valve; 21, shunt pipe; 22, connector; 23, second discharge pipe; 24, heating plate; 25, nut; 26, return pipe; 27, rotating shaft; 28, stirring plate; 29, air pipe; 30, sponge cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, 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.

[0021] Please refer to Figures 1-4 The utility model provides the following technical scheme: a chemical raw material recovery device, including mounting plate 1, the inside of mounting plate 1 is provided with fractionating column 2 respectively, the top of fractionating column 2 is provided with tower top cover 4, one side of the top of tower top cover 4 is provided with input pipe 6, the other side of the top of tower top cover 4 is provided with connecting pipe 11, and tower top cover 4 is connected by connecting pipe 11, one end of the top of tower top cover 4 is provided with cooling box 12, the top of cooling box 12 is provided with first water pump 9, the output of first water pump 9 is connected with water pipe 8, one end of water pipe 8 is connected with cooling cover barrel 7, and cooling cover barrel 7 is located on the surface of connecting pipe 11, the bottom of cooling cover barrel 7 is connected with return pipe 26, and one end of return pipe 26 is connected with cooling box 12, one side of cooling box 12 is provided with refrigerator 13, the top of tower top cover 4 is provided with Karl Fischer moisture meter 14, and Karl Fischer moisture meter 14 is located on the top of right tower top cover 4, the bottom of fractionating column 2 is provided with heating plate 24, and the number of heating plate 24 is two, the top of tower top cover 4 is provided with motor 5, the output of motor 5 is connected with rotating shaft 27, and the surface of rotating shaft 27 is respectively provided with stirring plate 28.

[0022] In the embodiment: by setting second valve 20, shunt pipe 21, connector 22 and second discharge pipe 23, the non-recovery liquid inside fractionating column 2 is discharged, and the discharge effect is increased.

[0023] In the embodiment: by setting bolt, fixed ring 3 and nut 25, fractionating column 2 and tower top cover 4 are connected and fixed, and the stability of installation is increased.

[0024] In this embodiment: in use, the refrigerator 13 is operated to cool the water in the cooling box 12, then the first water pump 9 is operated to send the cooled water in the cooling box 12 to the inside of the cooling cover barrel 7 through the water pipe 8, and the water in the cooling cover barrel 7 flows back to the inside of the cooling box 12 through the return pipe 26, so that the refrigerator 13 cools it, and through the operation, the water in the cooling cover barrel 7 can be kept in a low temperature state, thereby increasing the cooling effect of the condensed liquid.

[0025] The working principle and use process of the utility model: after the utility model is installed, in use, the rich liquid generated by processing is sent to the inside of the fractionating column 2 through the input pipe 6, then the heating plate 24 is operated to heat the inside of the fractionating column 2, at the same time, the motor 5 is operated to drive the stirring plate 28 to rotate through the rotating shaft 27, so that the rich liquid is driven to flow, thereby increasing the heating effect, when the temperature reaches 83 DEG C, the tertiary butyl alcohol in the rich liquid is gasified, enters the inside of the connecting pipe 11 after gasification, the connecting pipe 11 is cooled by the cooling cover barrel 7, so that it is cooled to liquid, then enters the inside of another group of fractionating columns 2, so that it is also operated, through double processing, thereby increasing the effect of recovering the tertiary butyl alcohol, and after the liquefied tertiary butyl alcohol enters the inside of the last group of fractionating columns 2, the Karl Fischer water content tester 14 is operated to detect the inside, thereby ensuring the purity of the tertiary butyl alcohol, when the purity is not enough, the second water pump 15 is operated to pump out the tertiary butyl alcohol in the last group of fractionating columns 2, then the tertiary butyl alcohol is sent to the inside of the previous group of fractionating columns 2 through the conveying pipe 10, so that it is gasified and distilled again, until the purity is appropriate, then it is discharged through the first valve 18 and the first discharge pipe 19, all the electrical equipment in the device is powered by an external power supply.

[0026] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A chemical raw material recovery device, comprising a mounting plate (1), characterized in that: The mounting plate (1) is equipped with a fractionating tower (2) inside. The top of the fractionating tower (2) is equipped with a tower top cover (4). An input pipe (6) is provided on one side of the top of the tower top cover (4), and a connecting pipe (11) is provided on the other side of the top of the tower top cover (4). The tower top covers (4) are connected to each other through the connecting pipe (11). A cooling box (12) is provided at one end of the top of the tower top cover (4). A first water pump (9) is provided at the top of the cooling box (12). The output end of the first water pump (9) is connected to a water pipe (8). One end of the water pipe (8) is connected to a cooling shroud (7), and the cooling shroud (7) is located on the surface of the connecting pipe (11). The bottom of the cooling shroud (7) is connected to a reflux pipe (26), and one end of the reflux pipe (26) is connected to the cooling box (12). A cooler (13) is provided on one side of the cooling box (12). A Karl Fischer moisture analyzer (14) is provided on the top of the tower top cover (4), and the Karl Fischer moisture analyzer (14) is located on the top of the right tower top cover (4). A heating plate (24) is provided at the bottom of the fractionation tower (2), and there are two heating plates (24). A motor (5) is provided on the top of the tower top cover (4). The output end of the motor (5) is connected to a rotating shaft (27), and a stirring plate (28) is installed on the surface of the rotating shaft (27).

2. The chemical raw material recovery device according to claim 1, characterized in that: The surface of the distillation tower (2) and the top cover (4) are provided with fixing rings (3), and bolts are provided around the fixing rings (3). One end of the bolts passes through the fixing rings (3) and is threaded to a nut (25).

3. The chemical raw material recovery device according to claim 1, characterized in that: A second water pump (15) is provided at the other end of the top of the tower cover (4). The output end of the second water pump (15) is connected to a delivery pipe (10), and one end of the delivery pipe (10) is connected to the tower cover (4) in the middle.

4. The chemical raw material recovery device according to claim 1, characterized in that: The bottom of the distillation tower (2) is connected to a diversion pipe (21). One end of the diversion pipe (21) passes through the heating plate (24) and is connected to a connector (22). One side of the connector (22) is connected to a second discharge pipe (23). A second valve (20) is installed on the surface of the diversion pipe (21).

5. A chemical raw material recovery device according to claim 1, characterized in that: A vent pipe (29) is provided on one side of the top of the cooling box (12), and a sponge cover (30) is installed on the top of the vent pipe (29).

6. A chemical raw material recovery device according to claim 1, characterized in that: The bottom of the fractionation tower (2) is connected to a first discharge pipe (19), and a first valve (18) is installed on the surface of the first discharge pipe (19).

7. A chemical raw material recovery device according to claim 1, characterized in that: Support legs (16) are provided around the bottom of the mounting plate (1), and anti-slip bases (17) are installed on the bottom of the support legs (16).

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