CN211798913U

CN211798913U - Citric acid concentration and evaporation system

Info

Publication number: CN211798913U
Application number: CN202020370944.9U
Authority: CN
Inventors: 蔡贤斌; 宋锡平; 范利; 汤四堂
Original assignee: Wuxi Putailai Separation Technology Co Ltd
Current assignee: Wuxi Putailai Separation Technology Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-30
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses an evaporation system technical field's a concentrated vaporization system of citric acid, including the evaporation concentration section of thick bamboo, the outer wall of the evaporation concentration section of thick bamboo is provided with raw materials feed liquor pipe and finished product discharging pipe respectively, the roof joint of the evaporation concentration section of thick bamboo has hollow rotating shaft, hollow rotating shaft's top joint has raw steam admission pipe, hollow rotating shaft's outer wall joint has the belt pulley, the roof of the evaporation concentration section of thick bamboo is run through to hollow rotating shaft's bottom, the bottom welding of the evaporation concentration section of thick bamboo has the heat transfer agitator tube, the diapire welding of heat transfer agitator tube has hollow back shaft, the bottom of hollow back shaft runs through the diapire of the evaporation concentration section of thick bamboo, the lower extreme joint of hollow back shaft has the exhaust steam discharge pipe, the outer wall and the roof of exhaust steam discharge pipe all are provided with the sealed pad.

Description

Citric acid concentration and evaporation system

Technical Field

The utility model discloses a concentrated vaporization system of citric acid specifically is vaporization system technical field.

Background

Citric acid is an important organic acid, also called citric acid, colorless crystal, often contains a molecular crystal water, is odorless, has strong sour taste and is easily dissolved in water. Its calcium salt is more soluble in cold water than in hot water, a property commonly used to identify and isolate citric acid. The anhydrous citric acid can be obtained by controlling the proper temperature during the crystallization. Has a great number of applications in industry, food industry, cosmetics industry and the like.

In the existing citric acid concentration and evaporation production, a concentrator is mostly heated, concentrated and evaporated by steam, but the citric acid solution in the evaporation concentrator is heated slowly, so that the citric acid production rate is slow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concentrated vaporization system of citric acid to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concentrated vaporization system of citric acid, includes the concentrated section of thick bamboo of evaporation, the outer wall of the concentrated section of thick bamboo of evaporation is provided with raw materials feed liquor pipe and finished product discharging pipe respectively, the roof joint of the concentrated section of thick bamboo of evaporation has hollow pivot, the top joint of hollow pivot has the live steam admission pipe, the outer wall joint of hollow pivot has the belt pulley, the roof of the concentrated section of thick bamboo of evaporation is run through to the bottom of hollow pivot, the bottom welding of the concentrated section of thick bamboo of evaporation has the heat transfer agitator pipe, the diapire welding of heat transfer agitator pipe has hollow back shaft, the diapire of the concentrated section of thick bamboo of evaporation is run through to the bottom of hollow back shaft, the lower extreme joint of hollow back shaft has the exhaust steam discharge pipe.

Preferably, heat exchange fins are welded on the outer wall of the heat exchange stirring pipe.

Preferably, one end of the raw material liquid inlet pipe is connected with a liquid outlet of the raw material barrel.

Preferably, one end of the exhaust steam discharge pipe penetrates through the outer wall of the raw material barrel.

Preferably, a spiral coil is arranged on the pipeline of the waste steam discharge pipe, and the spiral coil is positioned in the inner cavity of the raw material barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with a hollow rotating shaft, a raw steam inlet pipe, a belt pulley, a heat exchange stirring pipe and a hollow supporting shaft, wherein the belt pulley is driven to rotate by an electric motor and a belt, the belt pulley drives the hollow rotating shaft and the heat exchange stirring pipe to rotate, the heat exchange stirring pipe stirs a citric acid solution, raw steam enters the hollow rotating shaft and the heat exchange stirring pipe through the raw steam inlet pipe and exchanges heat with the citric acid solution through the heat exchange stirring pipe, the heating effect of the citric acid solution is improved, and the production efficiency of finished citric acid products is improved;

2) this device sets up waste steam discharge pipe and raw material cylinder, and the live steam after the heat transfer gets into waste steam discharge pipe through hollow back shaft, and waste steam in the waste steam discharge pipe carries out the heat transfer with the raw materials of raw material cylinder inner chamber, improves the temperature of raw materials cylinder inner chamber raw materials, improves the steam rate of utilization, avoids the wasting of resources.

Drawings

FIG. 1 is a schematic front sectional view of a citric acid concentration and evaporation system of the present invention;

FIG. 2 is a schematic front sectional view of the hollow support shaft of the present invention;

fig. 3 is a front cross-sectional view of the raw material cartridge of the present invention.

In the figure: 100 evaporation concentration cylinders, 110 raw material liquid inlet pipes, 120 finished product discharge pipes, 200 hollow rotating shafts, 210 raw steam inlet pipes, 220 belt pulleys, 230 heat exchange stirring pipes, 231 heat exchange fins, 240 hollow support shafts, 250 waste steam discharge pipes, 260 Teflon sealing gaskets and 300 raw material cylinders.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a citric acid concentration evaporation system, which effectively improves the heating rate of citric acid solution in an evaporation concentration cylinder and avoids the waste of steam resources, please refer to fig. 1, comprising an evaporation concentration cylinder 100, wherein the outer wall of the evaporation concentration cylinder 100 is respectively provided with a raw material liquid inlet pipe 110 and a finished product discharging pipe 120;

referring to fig. 1 and 2, a hollow rotating shaft 200 is fastened to the top wall of an evaporation concentration cylinder 100, a raw steam inlet pipe 210 is fastened to the top end of the hollow rotating shaft 200, a belt pulley 220 is fastened to the outer wall of the hollow rotating shaft 200, the bottom end of the hollow rotating shaft 200 penetrates through the top wall of the evaporation concentration cylinder 100, a heat exchange stirring pipe 230 is welded to the bottom end of the evaporation concentration cylinder 100, a hollow supporting shaft 240 is welded to the bottom wall of the heat exchange stirring pipe 230, the bottom end of the hollow supporting shaft 240 penetrates through the bottom wall of the evaporation concentration cylinder 100, a waste steam discharge pipe 250 is fastened to the lower end of the hollow supporting shaft 240, teflon sealing gaskets 260 are arranged on the outer wall and the top wall of the waste steam discharge pipe 250, the hollow rotating shaft 200 is used for the steam entering into the inner cavity of the raw steam inlet pipe 210, the belt pulley 220 is used for driving the hollow rotating shaft 200 to rotate, the raw steam inlet pipe 210 and the waste steam outlet pipe 250 do not rotate, the heat exchange stirring pipe 230 is used for stirring and heating raw materials, the waste steam outlet pipe 250 is used for discharging waste steam, a Teflon sealing gasket 260 is also arranged between the rotating shaft 200 and the raw steam inlet pipe 210, and the Teflon sealing gasket 260 is used for improving the sealing property between the hollow rotating shaft 200 and the raw steam inlet pipe 210 and reducing the friction force between the hollow rotating shaft 200 and the raw steam inlet pipe 210;

referring to fig. 1, heat exchange fins 231 are welded on the outer wall of the heat exchange stirring pipe 230, and the heat exchange fins 231 are used for increasing the contact area between the heat exchange stirring pipe 230 and the citric acid solution and increasing the heating rate of the citric acid solution;

referring to fig. 3, one end of the raw material liquid inlet pipe 110 is connected to a liquid outlet of the raw material barrel 300, so that the preheated citric acid solution in the raw material barrel 300 can conveniently enter the inner cavity of the evaporation concentration barrel 100;

referring to fig. 3 again, one end of the exhaust steam discharge pipe 250 penetrates the outer wall of the raw material drum 300;

referring to fig. 3 again, the spiral coil is disposed on the pipeline of the exhaust steam discharging pipe 250 and located in the inner cavity of the raw material cylinder 300, so as to increase the contact area between the exhaust steam discharging pipe 250 and the citric acid solution in the inner cavity of the raw material cylinder 300, and increase the heating efficiency of the exhaust steam discharging pipe 250 to the citric acid solution in the inner cavity of the raw material cylinder 300.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A citric acid concentration and evaporation system comprises an evaporation and concentration cylinder (100), and is characterized in that: the outer wall of the evaporation concentration cylinder (100) is respectively provided with a raw material inlet pipe (110) and a finished product outlet pipe (120), the top wall of the evaporation concentration cylinder (100) is clamped with a hollow rotating shaft (200), the top end of the hollow rotating shaft (200) is clamped with a raw steam inlet pipe (210), the outer wall of the hollow rotating shaft (200) is clamped with a belt pulley (220), the bottom end of the hollow rotating shaft (200) penetrates through the top wall of the evaporation concentration cylinder (100), the bottom end of the evaporation concentration cylinder (100) is welded with a heat exchange stirring pipe (230), a hollow supporting shaft (240) is welded on the bottom wall of the heat exchange stirring pipe (230), the bottom end of the hollow supporting shaft (240) penetrates through the bottom wall of the evaporation concentration cylinder (100), the lower end of the hollow supporting shaft (240) is clamped with a waste steam discharge pipe (250), the outer wall and the top wall of the waste steam discharge pipe (250) are both provided with Teflon sealing gaskets (260).

2. The citric acid concentrating and evaporating system as set forth in claim 1, wherein: and heat exchange fins (231) are welded on the outer wall of the heat exchange stirring pipe (230).

3. The citric acid concentrating and evaporating system as set forth in claim 1, wherein: one end of the raw material liquid inlet pipe (110) is connected with a liquid outlet of the raw material barrel (300).

4. The citric acid concentrating and evaporating system as set forth in claim 1, wherein: one end of the waste steam discharge pipe (250) penetrates through the outer wall of the raw material barrel (300).

5. The citric acid concentrating and evaporating system as set forth in claim 1, wherein: and a spiral coil pipe is arranged on the pipeline of the waste steam discharge pipe (250), and the spiral coil pipe is positioned in the inner cavity of the raw material barrel (300).