Concentration tank with heat recovery function

Abstract

The utility model discloses a concentration tank with a heat recovery function, which relates to the technical field of liquid concentration equipment and comprises a concentration tank, a condensation liquid receiver, a preheating tank and a gas-liquid separator, a manhole and a steam outlet pipe are respectively and fixedly mounted at the top of the concentration tank, and a steam inlet end and a steam outlet end are respectively and fixedly mounted on the outer side of the concentration tank. The steam inlet end is connected with external steam supply equipment through a pipeline, and a first fixing pipe is fixedly installed on the top of the condensation liquid receiver. The preheating tank is fixedly mounted on the steam outlet pipe through the liquid discharge pipe and the second fixing pipe, meanwhile, the second fixing pipe, the connecting seat and the sealing plate are arranged at the top, and the spiral heat conduction pipe is arranged in the concentration tank, so that the first steam guide pipe and the second steam guide pipe are matched; steam for heating the concentration tank and steam in the concentration tank can be guided into the spiral heat conduction pipe in a two-way manner, so that liquid in the preheating tank is preheated, and the energy consumption of the concentration tank for heating the liquid in the later period is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid concentration equipment, in particular to a concentration tank with a heat recovery function. Background Art

[0002] Concentrator is a kind of equipment used to concentrate dilute solution by evaporation. It is mainly composed of vertical tube heater, concentrator, condenser and pipeline valve, etc. It is suitable for processing and recycling of Chinese medicine, Western medicine, starch sugar, food and dairy products, etc.

[0003] The main purpose of heating the concentration tank during use is to increase the energy of the molecules in the liquid to above the boiling point, thereby overcoming the surface tension and changing the liquid from a liquid state to a gas state, which can allow the water in the liquid to evaporate quickly and achieve concentration of the solution. Generally, the concentration tank is heated by electric heating or steam heating. When the concentration tank is heated by steam, the steam needs to undergo a condensation cycle, which will cause part of the steam to condense directly through the condenser, resulting in heat loss. In addition, when the concentration tank is heated, the heating of the internal material will also generate steam, which will also be collected by the gas-liquid separator and the condenser. However, the heat of the steam cannot be recycled in this process, thereby failing to reduce the energy consumption during concentration. Utility Model Content

[0004] The purpose of the utility model is to provide a concentration tank with a heat recovery function, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A concentrating tank with a heat recovery function comprises a concentrating tank, a condensing liquid receiver, a preheating tank and a gas-liquid separator, wherein a manhole and a steam outlet pipe are fixedly installed on the top of the concentrating tank, a steam inlet end and a steam outlet end are fixedly installed on the outside of the concentrating tank, and the steam inlet end is connected to an external steam supply device through a pipeline, a first fixed pipe is fixedly installed on the top of the condensing liquid receiver, and the bottom of the preheating tank is fixedly installed on the steam outlet pipe through an electric valve and a first connecting pipe, the gas-liquid separator is fixedly connected between the condensing liquid receiver and the preheating tank, a second steam guide pipe is fixedly connected between the concentrating tank and the preheating tank, and a first steam guide pipe is fixedly connected between the first connecting pipe and the preheating tank.

[0007] Preferably, a liquid discharge pipe is fixedly installed at the bottom of the preheating tank, a second fixed pipe is fixedly installed at the top of the preheating tank, and a liquid inlet pipe is also fixedly installed at the preheating tank on one side of the second fixed pipe. The liquid inlet pipe is connected to an external liquid delivery pump through a pipeline, and the bottom of the liquid discharge pipe is fixedly installed on the top of the electric valve.

[0008] Preferably, a connecting seat is fixedly installed on the top of the second fixing pipe, and a connecting flange is also fixedly installed between the second fixing pipe and the connecting seat.

[0009] Preferably, one end of the first steam duct away from the first connecting pipe is fixedly installed on the outside of the connecting seat, and the first connecting pipe is connected to the connecting seat through a first steam duct channel, and one end of the second steam duct away from the steam discharge end is fixedly connected to the first steam duct, and the steam discharge end is connected to the first steam duct channel through the second steam duct. With the arrangement of the first steam duct, the second steam duct and the connecting seat, the steam for heating the entire concentration tank and the concentrate in the concentration tank can be recovered by entering the second fixed pipe.

[0010] Preferably, a plurality of hangers are fixedly installed on the inner side of the connecting flange, a sealing plate is fixedly installed on the bottom of the hangers, a spiral heat pipe is fixedly installed on the bottom of the sealing plate, the bottom of the spiral heat pipe passes through the preheating tank and extends into the drain pipe. With the arrangement of the spiral heat pipe, the steam entering the second fixed pipe can preheat the liquid in the preheating tank, and the steam and part of the condensate can enter the gas-liquid separator.

[0011] Preferably, a second connecting pipe is fixedly connected between the drain pipe and the gas-liquid separator, and one end of the spiral heat-conducting pipe is fixedly connected to one end of the second connecting pipe, that is, the channel between the spiral heat-conducting pipe and the second connecting pipe is connected, and with the cooperation of the electric valve, the first connecting pipe, the first steam pipe, the second steam pipe, the steam outlet pipe, the drain pipe, the second fixed pipe and other components, the steam recovery and utilization can be achieved without affecting the injection of the liquid in the preheating tank into the concentration tank.

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

[0013] The utility model discloses a concentrating tank with heat recovery function, in which a preheating tank is fixedly mounted on a steam outlet pipe through a liquid discharge pipe and a second fixed pipe. At the same time, a second fixed pipe, a connecting seat and a sealing plate are arranged on the top, and a spiral heat conducting pipe is arranged in the concentrating tank, so that the steam for heating the concentrating tank and the steam in the concentrating tank can be introduced into the spiral heat conducting pipe in a dual-path manner in cooperation with the first steam conducting pipe and the second steam conducting pipe, so as to preheat the liquid in the preheating tank and reduce the energy consumption of the subsequent concentrating tank for heating the liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional view of the main structure of the utility model;

[0016] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0017] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0018] In the figure: 1. Concentrator; 2. Condensate receiver; 3. Preheating tank; 4. Gas-liquid separator; 5. Manhole; 6. Steam inlet; 7. Steam outlet; 8. First fixed pipe; 9. Electric valve; 10. First connecting pipe; 11. First steam pipe; 12. Second steam pipe; 13. Steam outlet pipe; 14. Liquid drain pipe; 15. Second fixed pipe; 16. Connecting seat; 17. Liquid inlet pipe; 18. Connecting flange; 19. Hanging rod; 20. Sealing plate; 21. Spiral heat pipe; 22. Second connecting pipe. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-Figure 4 As shown, the utility model provides a concentrating tank with heat recovery function, comprising a concentrating tank 1, a condensing liquid receiver 2, a preheating tank 3 and a gas-liquid separator 4, a manhole 5 and a steam outlet pipe 13 are fixedly installed on the top of the concentrating tank 1, a steam inlet end 6 and a steam outlet end 7 are fixedly installed on the outside of the concentrating tank 1, and the steam inlet end 6 is connected to an external steam supply device through a pipeline, a first fixed pipe 8 is fixedly installed on the top of the condensing liquid receiver 2, and the bottom of the preheating tank 3 is fixedly installed on the steam outlet pipe 13 through an electric valve 9 and a first connecting pipe 10, the gas-liquid separator 4 is fixedly connected between the condensing liquid receiver 2 and the preheating tank 3, a second steam guide pipe 12 is fixedly connected between the concentrating tank 1 and the preheating tank 3, and a first steam guide pipe 11 is fixedly connected between the first connecting pipe 10 and the preheating tank 3.

[0021] like Figure 1-Figure 2 As shown, a liquid discharge pipe 14 is fixedly installed at the bottom of the preheating tank 3, a second fixed pipe 15 is fixedly installed at the top of the preheating tank 3, and a liquid inlet pipe 17 is also fixedly installed at the preheating tank 3 on one side of the second fixed pipe 15. The liquid inlet pipe 17 is connected to an external liquid delivery pump through a pipeline, and the bottom of the liquid discharge pipe 14 is fixedly installed on the top of the electric valve 9;

[0022] like Figure 2-Figure 3As shown, a connecting seat 16 is fixedly installed on the top of the second fixed pipe 15, and a connecting flange 18 is also fixedly installed between the second fixed pipe 15 and the connecting seat 16. The end of the first steam pipe 11 away from the first connecting pipe 10 is fixedly installed on the outside of the connecting seat 16, and the first connecting pipe 10 is connected to the connecting seat 16 through the first steam pipe 11 channel. The end of the second steam pipe 12 away from the steam discharge end 7 is fixedly connected to the first steam pipe 11, and the steam discharge end 7 is connected to the first steam pipe 11 channel through the second steam pipe 12. The arrangement can allow the steam that heats the entire concentrator 1 and the concentrate in the concentrator 1 to enter the second fixed pipe 15 for recovery. A plurality of suspension rods 19 are fixedly installed on the inner side of the connecting flange 18. A sealing plate 20 is fixedly installed on the bottom of the plurality of suspension rods 19. A spiral heat-conducting pipe 21 is fixedly installed on the bottom of the sealing plate 20. The bottom of the spiral heat-conducting pipe 21 passes through the preheating tank 3 and extends into the drain pipe 14. With the arrangement of the spiral heat-conducting pipe 21, the steam that enters the second fixed pipe 15 can preheat the liquid in the preheating tank 3, and the steam and part of the condensate can enter the gas-liquid separator 4.

[0023] like Figure 2 , Figure 4 As shown, a second connecting pipe 22 is fixedly connected between the drain pipe 14 and the gas-liquid separator 4, and one end of the spiral heat-conducting pipe 21 is fixedly connected to one end of the second connecting pipe 22, that is, the channel between the spiral heat-conducting pipe 21 and the second connecting pipe 22 is connected. With the cooperation of the electric valve 9, the first connecting pipe 10, the first steam pipe 11, the second steam pipe 12, the steam outlet pipe 13, the drain pipe 14, the second fixed pipe 15 and other components, the steam recovery can be realized without affecting the injection of the liquid in the preheating tank 3 into the concentration tank 1.

[0024] It should be noted that the utility model is a concentrator with a heat recovery function. When the interlayer in the concentrator 1 is heated by an external steam supply device in cooperation with the steam inlet end 6, the material in the concentrator 1 is heated and concentrated. At the same time, the steam passing through the interlayer in the concentrator 1 will enter the second steam pipe 12 through the steam discharge end 7, and enter the first steam pipe 11 from the second steam pipe 12. The steam generated by the material in the concentrator 1 during heating and concentration is discharged through the steam outlet pipe 13, and with the help of the electric valve 9, the steam is allowed to enter the connecting seat 16 through the first steam pipe 11, so that the two-way steam enters the second fixed pipe 15 through the connecting seat 16, thereby using the second fixed pipe 15 to heat the material in the concentrator 1. The sealing plate 20 in the fixed tube 15 allows the steam to enter the spiral heat-conducting tube 21, so that the heat of the steam can be introduced into the material in the preheating tank 3 through the spiral heat-conducting tube 21, and the steam and part of the condensed water can enter the second connecting tube 22 through the spiral heat-conducting tube 21, and be separated by the gas-liquid separator 4. When the material in the concentration tank 1 is concentrated and discharged, the electric valve 9 can be started by an external controller, so that the material in the preheating tank 3 can enter the concentration tank 1 through the steam outlet pipe 13. Subsequently, the electric valve 9 is closed, and the new material can be injected into the preheating tank 3 through the pipeline and the liquid inlet pipe 17 by an external delivery pump, so as to recover the heat of part of the unused steam and reduce the production energy consumption.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A concentrator with heat recovery function, characterized in that: The invention comprises a concentration tank (1), a condensation liquid receiver (2), a preheating tank (3) and a gas-liquid separator (4); a manhole (5) and a steam outlet pipe (13) are fixedly installed on the top of the concentration tank (1); a steam inlet end (6) and a steam outlet end (7) are fixedly installed on the outside of the concentration tank (1); and the steam inlet end (6) is connected to an external steam supply device through a pipeline; a first fixed pipe (8) is fixedly installed on the top of the condensation liquid receiver (2); the bottom of the preheating tank (3) is fixedly installed on the steam outlet pipe (13) through an electric valve (9) and a first connecting pipe (10); the gas-liquid separator (4) is fixedly connected between the condensation liquid receiver (2) and the preheating tank (3); a second steam guide pipe (12) is fixedly connected between the concentration tank (1) and the preheating tank (3); and a first steam guide pipe (11) is fixedly connected between the first connecting pipe (10) and the preheating tank (3).

2. The concentrating tank with heat recovery function according to claim 1, characterized in that: A liquid discharge pipe (14) is fixedly mounted on the bottom of the preheating tank (3), a second fixed pipe (15) is fixedly mounted on the top of the preheating tank (3), and a liquid inlet pipe (17) is also fixedly mounted on the preheating tank (3) located on one side of the second fixed pipe (15), the liquid inlet pipe (17) is connected to an external liquid delivery pump via a pipeline, and the bottom of the liquid discharge pipe (14) is fixedly mounted on the top of the electric valve (9).

3. The concentrating tank with heat recovery function according to claim 2, characterized in that: A connecting seat (16) is fixedly mounted on the top of the second fixing tube (15), and a connecting flange (18) is also fixedly mounted between the second fixing tube (15) and the connecting seat (16).

4. The concentrating tank with heat recovery function according to claim 3, characterized in that: One end of the first steam guide pipe (11) away from the first connecting pipe (10) is fixedly mounted on the outside of the connecting seat (16), and the first connecting pipe (10) is connected to the connecting seat (16) through a channel of the first steam guide pipe (11); one end of the second steam guide pipe (12) away from the steam discharge end (7) is fixedly connected to the first steam guide pipe (11), and the steam discharge end (7) is connected to the channel of the first steam guide pipe (11) through the second steam guide pipe (12).

5. The concentrating tank with heat recovery function according to claim 4, characterized in that: A plurality of suspension rods (19) are fixedly mounted on the inner side of the connection flange (18); a sealing plate (20) is fixedly mounted on the bottom of the plurality of suspension rods (19); a spiral heat conducting pipe (21) is fixedly mounted on the bottom of the sealing plate (20); and the bottom of the spiral heat conducting pipe (21) passes through the preheating tank (3) and extends into the drain pipe (14).

6. The concentrating tank with heat recovery function according to claim 5, characterized in that: A second connecting pipe (22) is also fixedly connected between the liquid discharge pipe (14) and the gas-liquid separator (4), and one end of the spiral heat-conducting pipe (21) is fixedly connected to one end of the second connecting pipe (22), i.e., a channel between the spiral heat-conducting pipe (21) and the second connecting pipe (22) is connected.

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