CN215427363U

CN215427363U - Evaporation system in sugar manufacturing process

Info

Publication number: CN215427363U
Application number: CN202121067545.6U
Authority: CN
Inventors: 吴丽金; 程玉娥; 田洪双
Original assignee: Cofco Tangshan Sugar Co ltd
Current assignee: Cofco Tangshan Sugar Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-07
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses an evaporation system in a sugar making process, and relates to the field of sugar making evaporation systems. The system comprises a first-effect evaporator, a second-effect evaporator and a third-effect evaporator, a first-stage heater, a second-stage heater, a first-effect steam condensate tank, a second-effect steam condensate tank and a third-effect steam condensate tank, wherein the first-effect evaporator, the second-effect evaporator and the third-effect evaporator are sequentially connected; the steam outlet pipeline of the first-effect evaporator is also connected with a first-stage heater, and the first-stage heater is connected with a triple-effect steam condensation water tank. The utility model changes the steam condensate of the primary heater and the secondary heater into degraded discharge, namely the steam condensate generated by the primary heater and the secondary heater is respectively discharged to the triple-effect steam condensate tank and the double-effect steam condensate tank, the steam condensate is smoothly discharged, the single-effect juice steam is stably pumped, the heating temperature of the syrup stably meets the process requirement, and the efficiency of an evaporation system is obviously improved, thereby improving the concentration of the syrup.

Description

Evaporation system in sugar manufacturing process

Technical Field

The utility model relates to the field of sugar making evaporation systems, in particular to an evaporation system in a sugar making process.

Background

In the sugar making process, the syrup can be boiled and crystallized after being concentrated by an evaporation system, a plate-type evaporator is selected as syrup concentration equipment in the prior art, and the cleaned syrup enters a triple-effect plate-type evaporator after being preheated by a plate-type heater. The technological requirement is that the plate heater can raise the syrup temperature to the greatest extent, the syrup enters the plate evaporator when reaching the boiling point, the evaporation system can run to the best state, the evaporation efficiency is improved, the steam is saved, and the syrup concentration is improved. However, the conventional drainage method of the steam condensate of the sugar-making evaporation system is that the steam condensate generated by the first-effect evaporator, the second-effect evaporator and the third-effect evaporator is respectively drained to the first-effect steam condensate collecting box, the second-effect steam condensate collecting box and the third-effect steam condensate collecting box, and the steam condensate generated by the first-stage plate heater and the second-stage plate heater is respectively drained to the second-effect steam condensate collecting box and the first-effect steam condensate collecting box, as shown in fig. 1. In actual operation, the steam condensate of the primary heater and the secondary heater is not smoothly discharged, the primary heater is unstable in pumping the primary juice steam, the heating temperature of syrup is low and unstable, and the technological requirement that the boiling point of the syrup enters the evaporator cannot be met, so that the evaporation system is low in efficiency, high in steam consumption and low in syrup concentration.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an evaporation system in a sugar making process, which ensures that steam condensate is smoothly discharged, and the heating temperature of syrup stably meets the process requirements.

In order to realize the technical purpose, the utility model adopts the following scheme: the evaporation system in the sugar making process comprises a first-effect evaporator, a second-effect evaporator, a third-effect evaporator, a first-stage heater, a second-stage heater, a first-effect steam condensation water tank, a second-effect steam condensation water tank and a third-effect steam condensation water tank, wherein the first-effect evaporator is respectively connected with the first-effect steam condensation water tank and the second-effect evaporator; the secondary heater is connected with the secondary steam condensation water tank; the connecting pipeline of the first-effect evaporator and the second-effect evaporator is provided with a branch pipeline, the branch pipeline is connected with a first-stage heater, and the first-stage heater is connected with a triple-effect steam condensation water tank.

Compared with the prior art, the utility model has the beneficial effects that: the utility model changes the steam condensate of the primary heater and the secondary heater into degraded discharge, namely the steam condensate generated by the primary heater and the secondary heater is respectively discharged to the triple-effect steam condensate tank and the double-effect steam condensate tank, the discharge of the steam condensate is smooth, the primary juice steam is stably pumped, the heating temperature of the syrup stably reaches the process requirement, and the efficiency of the evaporation system is obviously improved, thereby improving the concentration of the syrup.

Drawings

FIG. 1 is a process flow diagram of an evaporation system in a prior art sugar manufacturing process;

FIG. 2 is a schematic diagram of the apparatus connection of the evaporation system in the sugar manufacturing process according to the embodiment of the present invention;

labeled as: 1. a first-effect evaporator; 2. a second effect evaporator; 3. a triple effect evaporator; 4. a condenser; 5. a secondary heater; 6. a primary heater; 7. a steam condensing water tank; 8. a double-effect steam condensation water tank; 9. triple-effect steam-condensing water tank.

Detailed Description

The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the utility model, but the present invention is not limited thereto.

Referring to fig. 2, the evaporation and steam condensation water discharge system in the sugar manufacturing process provided by the utility model comprises a first-effect evaporator 1, a second-effect evaporator 2, a third-effect evaporator 3, a condenser 4, a second-stage heater 5, a first-stage heater 6, a first-effect steam condensation water tank 7, a second-effect steam condensation water tank 8 and a third-effect steam condensation water tank 9, wherein the first-effect evaporator 1 is respectively connected with the first-effect steam condensation water tank 7 and the second-effect evaporator 2 through two pipelines, an outlet of the second-effect evaporator 2 is respectively connected with the second-effect steam condensation water tank 8 and the third-effect evaporator 3 through two pipelines, and an outlet of the third-effect evaporator 3 is connected with the condenser 4 through a pipeline. The first-effect steam-condensing water tank 7 is connected with the second-effect steam-condensing water tank 8 through a pipeline, the second-effect steam-condensing water tank 8 is connected with the third-effect steam-condensing water tank 9 through a pipeline, and water generated by the third-effect steam-condensing water tank 9 is used as process hot water. The secondary heater 5 is connected with a secondary steam condensation water tank 8 through a pipeline. A branch pipeline is arranged on a connecting pipeline of the first-effect evaporator 1 and the second-effect evaporator 2, the branch pipeline is connected with a first-stage heater 6, and the first-stage heater 6 is connected with a triple-effect steam condensation water tank 9 through a pipeline.

In the working process, zero-effect steam respectively enters the first-effect evaporator 1 and the second-stage heater 5 through pipelines, part of the first-effect juice steam used by the first-effect evaporator 1 is conveyed to the second-effect evaporator 2, the second-effect juice steam used by the second-effect evaporator 2 is conveyed to the third-effect evaporator 3, and the third-effect juice steam used by the third-effect evaporator 3 enters the condenser 4. The steam condensate generated by the first-effect evaporator 1, the second-effect evaporator 2 and the third-effect evaporator 3 is respectively conveyed to the corresponding first-effect steam condensate tank 7, the second-effect steam condensate tank 8 and the third-effect steam condensate tank 9.

The other part of the juice steam is conveyed to the primary heater 6, and the steam condensate of the primary heater 6 is conveyed to the triple-effect steam condensate tank 9. The steam condensate generated after the zero-effect steam is treated by the secondary heater 5 is conveyed to the two-effect steam condensate tank 8, and the steam condensate of the three steam condensate tanks is collected to be used as process hot water. The evaporation system mainly describes the flow direction of steam and steam condensate water, and does not relate to the flow direction of materials.

The utility model changes the steam condensate of the primary heater 6 and the secondary heater 5 into degraded discharge, namely the steam condensate generated by the primary heater 6 and the secondary heater 5 is respectively discharged to the triple-effect steam condensate tank 9 and the double-effect steam condensate tank 8, the steam condensate is smoothly discharged, the primary juice steam is stably pumped, the heating temperature of the syrup stably reaches the process requirement, and the efficiency of the evaporation system is obviously improved, thereby improving the concentration of the syrup.

Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.

Claims

1. An evaporation system in a sugar making process comprises a first-effect evaporator, a second-effect evaporator, a third-effect evaporator, a first-stage heater, a second-stage heater, a first-effect steam condensation water tank, a second-effect steam condensation water tank and a third-effect steam condensation water tank, wherein the first-effect evaporator is respectively connected with the first-effect steam condensation water tank and the second-effect evaporator; it is characterized in that the secondary heater is connected with the secondary steam condensation water tank; the connecting pipeline of the first-effect evaporator and the second-effect evaporator is provided with a branch pipeline, the branch pipeline is connected with a first-stage heater, and the first-stage heater is connected with a triple-effect steam condensation water tank.