Alcohol recovery tail liquid collecting device

Abstract

The utility model relates to the field of alcohol tail liquid recovery, and discloses an alcohol recovery tail liquid collecting device which comprises alcohol distillation equipment and a tube plate type heat exchanger, an alcohol tube is arranged on the side wall of the alcohol distillation equipment in a penetrating mode, the alcohol tube is connected with a finished product conveying system, a tail liquid tube is arranged on the alcohol tube, and the tail liquid tube is connected with the tube plate type heat exchanger. The tail liquid pipe is connected with a tail liquid treatment system, the tail liquid treatment system is connected with a tail liquid classification system, a recovery pipe is arranged on the side wall of the alcohol distillation equipment in a penetrating manner, and the recovery pipe is connected with the tail liquid classification system. The utility model relates to an alcohol recovery tail liquid collection device, which realizes tail liquid collection and recovery through a tail liquid treatment system and a tail liquid classification system so as to reduce the waste of raw materials and improve the resource utilization rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of alcohol tail liquid recovery, specifically relates to a kind of alcohol recovery tail liquid collecting device. BACKGROUND

[0002] In the process production process, alcohol distillation purification is a common step. However, tail liquid will be produced in the distillation process, and these tail liquids usually contain raw materials that are not completely separated, which will cause resource waste if directly discharged. Therefore, an effective device is needed to collect and recover these tail liquids to reduce the waste of raw materials and improve resource utilization. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of alcohol recovery tail liquid collecting device, tail liquid pipe is added on the original alcohol pipe, after alcohol distillation, tail liquid is classified and recovered according to the concentration of alcohol in tail liquid after cooling, tail liquid containing high-concentration alcohol is returned to distillation equipment for re-distillation and recovery, and tail liquid containing low-concentration alcohol is directly used for other product manufacturing, so as to realize tail liquid recovery, reduce the waste of raw materials and improve resource utilization.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: an alcohol recovery tail liquid collecting device, comprising an alcohol distillation device, a tube plate heat exchanger, the alcohol distillation device side wall is provided with alcohol pipe, the alcohol pipe is connected with finished product conveying system, the alcohol pipe is provided with tail liquid pipe, the tail liquid pipe is connected with tail liquid treatment system, the tail liquid treatment system is connected with tail liquid classification system, the alcohol distillation device side wall is provided with recovery pipe, and the recovery pipe is connected with tail liquid classification system.

[0005] Further, the tail liquid classification system includes a tail liquid storage tank, a sampling pipe is provided through the front wall of the tail liquid storage tank, a sampling valve is provided on the sampling pipe, a high-concentration alcohol pipe is provided through the left wall of the tail liquid storage tank, a recovery valve is provided on the high-concentration alcohol pipe, and a low-concentration alcohol pipe is provided through the right wall of the tail liquid storage tank. A liquid outlet valve is provided on the low-concentration alcohol pipe.

[0006] Further, the recovery pipe is connected with a recovery pump at one end, and the input end of the recovery pump is connected with a high-concentration alcohol pipe.

[0007] Further, the finished product conveying system includes an alcohol conveying pump, the alcohol conveying pump is provided with an alcohol pipe at the input end, a first ball valve is provided on the alcohol pipe, the alcohol conveying pump is provided with an alcohol conveying pipe at the output end, the alcohol conveying pipe is provided with an alcohol storage tank at the end for storing alcohol, an alcohol outlet pipe is provided through the side wall of the alcohol storage tank, and a valve is provided on the alcohol outlet pipe.

[0008] Further, the tail liquid treatment system comprises a tube plate heat exchanger, one end of the tube plate heat exchanger is connected with the tail liquid pipe, a second ball valve is arranged on the tail liquid pipe, the other end of the tube plate heat exchanger is provided with a tail liquid input pipe, a first valve is arranged on the tail liquid input pipe, the tail liquid input pipe is connected with a tail liquid pump, and a tail liquid output pipe is arranged at the output end of the tail liquid pump.

[0009] The utility model has the advantages of the following beneficial effects:

[0010] The tail liquid pipe is additionally arranged on the original alcohol pipe, the tail liquid after alcohol distillation is first sent to the tube plate heat exchanger through the tail liquid pipe, after the tail liquid completes heat exchange and cooling, is sent to the tail liquid storage box, the stored tail liquid is sampled and detected through the sampling pipe of the tail liquid storage box, the recovery direction is selected according to the tail liquid concentration, the tail liquid containing high-concentration alcohol is recovered to the distillation equipment for new distillation, and the tail liquid containing low-concentration alcohol is directly used for manufacturing other products, so that tail liquid recovery is realized, raw material waste is reduced, and resource utilization is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a whole structure schematic view of the utility model;

[0012] Fig. 2 It is tail liquid classification system structure schematic view of the utility model;

[0013] Fig. 3 It is tail liquid treatment system structure schematic view of the utility model.

[0014] LEGEND:

[0015] 1-alcohol distillation equipment, 2-finished product conveying system, 201-alcohol pipe, 202-alcohol conveying pump, 203-alcohol conveying pipe, 204-alcohol storage box, 205-alcohol outlet pipe, 206-valve, 3-tail liquid treatment system, 301-second ball valve, 302-tail liquid pipe, 303-tube plate heat exchanger, 304-first valve, 305-tail liquid input pipe, 306-tail liquid pump, 307-tail liquid output pipe, 4-tail liquid classification system, 401-recovery pipe, 402-recovery pump, 403-high-concentration alcohol pipe, 404-recovery valve, 405-sampling pipe, 406-sampling valve, 407-low-concentration alcohol pipe, 408-liquid outlet valve, 409-tail liquid storage box. DETAILED DESCRIPTION

[0016] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0017] With reference to Figs. 1-3 The alcohol recovery tail liquid collecting device provided by the present application comprises an alcohol distillation device 1, a tube plate heat exchanger 303, an alcohol pipe 201 penetrating through the side wall of the alcohol distillation device 1, the alcohol pipe 201 being connected with a finished product conveying system 2, the finished product conveying system 2 being used for conveying and storing high-concentration alcohol after distillation, a tail liquid pipe 302 being arranged on the alcohol pipe 201, a first ball valve 207 being arranged on the alcohol pipe 201, a second ball valve 301 being arranged on the tail liquid pipe 302, the flow direction of high-concentration alcohol and tail liquid out of the alcohol distillation device 1 being controllable through switching control of the first ball valve 207 and the second ball valve 301, the tail liquid pipe 302 being connected with a tail liquid treatment system 3, the tail liquid treatment system 3 being used for cooling treatment of the tail liquid, the tail liquid treatment system 3 being connected with a tail liquid classification system 4, the tail liquid classification system 4 being used for different classification treatment according to different alcohol concentrations of the collected tail liquid, the alcohol concentration of the collected tail liquid being obtained through sampling and testing by a sampling pipe 405 in the tail liquid classification system 4, the tail liquid containing high-concentration alcohol being returned to the alcohol distillation device 1 for recycling, the tail liquid containing low-concentration alcohol being directly used for manufacturing other products, a recovery pipe 401 penetrating through the side wall of the alcohol distillation device 1, the recovery pipe 401 being connected with the tail liquid classification system 4.

[0018] The tail liquid classification system 4 comprises a tail liquid storage tank 409, a sampling pipe 405 is arranged through the front wall of the tail liquid storage tank 409, a sampling valve 406 is arranged on the sampling pipe 405, a high-concentration alcohol pipe 403 is arranged through the left wall of the tail liquid storage tank 409, a recovery valve 404 is arranged on the high-concentration alcohol pipe 403, a low-concentration alcohol pipe 407 is arranged through the right wall of the tail liquid storage tank 409, and a liquid outlet valve 408 is arranged on the low-concentration alcohol pipe 407; one end of the recovery pipe 401 is connected with a recovery pump 402, and the input end of the recovery pump 402 is connected with the high-concentration alcohol pipe 403; the product conveying system 2 comprises an alcohol conveying pump 202, the input end of the alcohol conveying pump 202 is provided with an alcohol pipe 201, the output end of the alcohol conveying pump 202 is provided with an alcohol conveying pipe 203, the distal end of the alcohol conveying pipe 203 is provided with an alcohol storage tank 204 for storing alcohol, an alcohol outlet pipe 206 is arranged through the side wall of the alcohol storage tank 204, and a valve 206 is arranged on the alcohol outlet pipe 205; the tail liquid treatment system 3 comprises a tube plate heat exchanger 303, one end of the tube plate heat exchanger 303 is connected with the tail liquid pipe 302, the tail liquid input pipe 305 is arranged at the other end of the tube plate heat exchanger 303, a first valve 304 is arranged on the tail liquid input pipe 305, the tail liquid input pipe 305 is connected with a tail liquid pump 306, and the output end of the tail liquid pump 306 is provided with a tail liquid output pipe 307.

[0019] Working principle: when the alcohol recovery tail liquid collecting device works, the second ball valve 301 is closed, the first ball valve 207 is opened, the alcohol conveying pump 202 is started, the alcohol after distillation is conveyed to the alcohol storage tank 204 for storage, after the distillation is completed, the first ball valve 207 is closed, the second ball valve 301 is opened, and the tail liquid pump 306 is started at the same time, the tail liquid enters the tube plate heat exchanger 303 through the tail liquid pipe 302, the tail liquid cooled by heat exchange is conveyed to the tail liquid storage tank 409 through the tail liquid pump 306, after the tail liquid is cooled by heat exchange, the second ball valve 301 and the tail liquid pump 306 are closed, the sampling valve 406 on the sampling pipe 405 is opened, the alcohol concentration of the collected tail liquid is analyzed, the tail liquid containing high-concentration alcohol opens the recovery valve 404 on the high-concentration alcohol pipe 403, the recovery pump 402 is started, and the tail liquid is returned to the alcohol distillation equipment 1 through the recovery pipe 401 to be redistilled, and the tail liquid containing low-concentration alcohol is directly used for manufacturing other products.

[0020] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An alcohol recovery tail liquid collecting device comprising an alcohol distillation apparatus (1), a tube sheet heat exchanger (303), characterized in that, The alcohol distillation equipment (1) is provided with an alcohol pipe (201) penetrating through the side wall, the alcohol pipe (201) is connected with a finished product conveying system (2), the alcohol pipe (201) is provided with a tail liquid pipe (302), the tail liquid pipe (302) is connected with a tail liquid treatment system (3), the tail liquid treatment system (3) is connected with a tail liquid classification system (4), the alcohol distillation equipment (1) is provided with a recovery pipe (401) penetrating through the side wall, and the recovery pipe (401) is connected with the tail liquid classification system (4).

2. An alcohol recovery tailings collection device according to claim 1, characterized in that: The tail liquid classification system (4) comprises a tail liquid storage tank (409), a sampling pipe (405) penetrating through the front wall of the tail liquid storage tank (409) is provided, a sampling valve (406) is arranged on the sampling pipe (405), a high-concentration alcohol pipe (403) penetrating through the left wall of the tail liquid storage tank (409) is provided, a recovery valve (404) is arranged on the high-concentration alcohol pipe (403), a low-concentration alcohol pipe (407) penetrating through the right wall of the tail liquid storage tank (409) is provided, and a liquid outlet valve (408) is arranged on the low-concentration alcohol pipe (407).

3. An alcohol recovery tail liquid collection device according to claim 1, characterized in that: One end of the recovery pipe (401) is connected with a recovery pump (402), and the input end of the recovery pump (402) is connected with the high-concentration alcohol pipe (403).

4. An alcohol recovery tail liquid collection device according to claim 1, characterized in that: The finished product conveying system (2) comprises an alcohol conveying pump (202), the alcohol conveying pump (202) is provided with the alcohol pipe (201) at the input end, the alcohol pipe (201) is provided with a first ball valve (207), the alcohol conveying pump (202) is provided with an alcohol conveying pipe (203) at the output end, the alcohol conveying pipe (203) is provided with an alcohol storage tank (204) for storing alcohol at the tail end, the alcohol storage tank (204) is provided with an alcohol outlet pipe (205) penetrating through the side wall, and the alcohol outlet pipe (205) is provided with a valve (206).

5. An alcohol recovery tail liquid collection device according to claim 1, characterized in that: The tail liquid treatment system (3) comprises a tube plate heat exchanger (303), one end of the tube plate heat exchanger (303) is connected with the tail liquid pipe (302), the tail liquid pipe (302) is provided with a second ball valve (301), the other end of the tube plate heat exchanger (303) is provided with a tail liquid input pipe (305), the tail liquid input pipe (305) is provided with a first valve (304), the tail liquid input pipe (305) is connected with a tail liquid pump (306), and the tail liquid pump (306) is provided with a tail liquid output pipe (307) at the output end.

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