Efficient membrane concentration equipment

Abstract

The utility model relates to the technical field of membrane concentration equipment, in particular to efficient membrane concentration equipment which comprises a steam-water separator, a steam generating device and a heat preservation jacket assembly, a detachable tank cover is mounted at the upper end of the concentration tank; a stirring shaft is rotationally connected in the tank cover; a dispersing disc and scrapers which are annularly distributed at equal intervals are sequentially mounted on the outer side of the stirring shaft from top to bottom; a steam-water separator and a steam generating device are sequentially arranged on the right side of the concentration tank; a heat preservation jacket assembly is mounted on the outer side of the concentration tank; the steam generating device comprises a steam chamber; according to the utility model, high-temperature steam generated during concentration is recycled, and the high-temperature steam is mixed with a backflow heat medium, so that the temperature of the heat medium is increased, and therefore, the heat medium can be continuously used after being heated for a short time, the temperature rise speed of the heat medium is increased, the energy consumption is reduced, and the energy consumption is reduced. Under the condition that it is guaranteed that the heat medium has enough heating temperature, cyclic utilization of the heat medium is achieved, and the concentration efficiency of feed liquid is guaranteed at the enough temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to membrane concentration equipment technical field especially relates to a kind of efficient membrane concentration equipment. BACKGROUND

[0002] Membrane concentration equipment has been widely applied in water treatment, food industry, biological medicine and many other fields, can realize high-efficiency concentration process at lower operating temperature, simultaneously has the ability to handle high viscosity material, effectively improves the keeping property of material quality and production efficiency.

[0003] Concentration equipment is mainly composed of rotating shaft, material liquid distribution disc, scraper, evaporation chamber, etc., by uniformly coating material liquid on a rotating circular scraper, then evaporating by heating, and then scraping the residual substances in liquid by scraper, dry solid substances and concentrated liquid are obtained, but continuous heating medium is needed to heat material liquid during concentration process, heating medium cannot be recycled, and the heat generated during concentration process cannot be recycled, to achieve the required concentration effect, higher heating temperature is needed, heat consumption is large, and material liquid cannot be rapidly heated, so higher concentration efficiency cannot be achieved.

[0004] Therefore, aiming at the problems of low concentration efficiency and heat cannot be recycled, a kind of efficient membrane concentration equipment can be designed. INVENTION CONTENTS

[0005] In order to overcome the problems of low concentration efficiency and heat cannot be recycled.

[0006] The technical scheme of the utility model is as follows: a kind of efficient membrane concentration equipment, including concentration tank, tank cover, stirring shaft, dispersion disc and scraper;It further includes steam-water separator, steam generating device and insulation jacket assembly;The detachable tank cover is installed on the upper end of concentration tank;Stirring shaft is rotatably connected in tank cover;Dispersion disc and annular equidistant distributed scraper are sequentially installed on the outer side of stirring shaft from top to bottom;Steam-water separator and steam generating device are sequentially arranged on the right side of concentration tank;Insulation jacket assembly is installed on the outer side of concentration tank;Steam generating device includes steam chamber;The detachable sealing cover is fixedly connected on the upper end of steam chamber;Heating rod is fixedly connected in the inner lower side of steam chamber;Insulation jacket assembly includes insulation cover;Coil pipe is fixedly connected in insulation cover;Medium outlet and medium inlet connected with both ends of coil pipe are respectively installed on both ends of insulation cover;Steam inlet pipe connected with the inlet end of steam-water separator is installed on the upper end of steam chamber;Steam recovery pipe connected with the steam outlet end of the right end of concentration tank is installed on the upper end of steam chamber;Medium backflow pipe is installed between medium outlet and steam chamber;Dry steam supply pipe is installed between medium inlet and steam outlet end of steam-water separator.

[0007] Preferably, the feed liquid enters the concentration tank at a stable flow rate. The stirring shaft inside the tank cover rotates, driving the dispersing disc and scraper to rotate synchronously. Under the action of centrifugal force, the feed liquid is thrown towards the inner wall of the concentration tank. Under the action of gravity, it flows downward along the inner wall of the concentration tank. The scraper scrapes the feed liquid into a thin film. The coil inside the heat insulation cover heats the feed liquid, causing it to evaporate. Finally, it is concentrated at the bottom of the concentration tank. The water vapor generated by evaporation enters the steam chamber through the steam recovery pipe. The heating rod heats the water, and the generated steam is sent to the steam-water separator through the steam inlet pipe. After separating the water, it is supplied to the coil through the drying steam supply pipe and the medium inlet, and then discharged through the medium outlet and returned to the steam chamber through the medium return pipe.

[0008] Preferably, check valves are installed on the steam inlet pipe, steam recovery pipe, medium return pipe, and drying steam supply pipe.

[0009] Preferably, the height of the insulation cover is greater than half the height of the concentration tank, and the inner side of the coil is attached to the outer surface of the concentration tank.

[0010] Preferably, the concentration tank has a feed inlet installed on the left end, and the feed inlet is tangential.

[0011] Preferably, a motor for driving the stirring shaft is fixedly connected to the upper end of the tank lid.

[0012] Preferably, a discharge valve is installed at the bottom of the concentration tank.

[0013] The beneficial effects of this utility model are as follows: by recovering and utilizing the high-temperature steam generated during concentration, the high-temperature steam is mixed with the reflux heat medium to increase the temperature of the heat medium, so that the heat medium can continue to be used after a short heating period, thereby increasing the heating rate of the heat medium and reducing energy consumption. While ensuring that the heat medium has a sufficient heating temperature, the heat medium is recycled, and the concentration efficiency of the liquid is guaranteed at a sufficient temperature. Attached Figure Description

[0014] Figure 1 The diagram shown is a first three-dimensional structural schematic of the high-efficiency membrane concentration device of this utility model;

[0015] Figure 2 The diagram shown is a second three-dimensional structural schematic of the high-efficiency membrane concentration device of this utility model;

[0016] Figure 3 The diagram shown is a three-dimensional cross-sectional view of the high-efficiency membrane concentration equipment of this utility model.

[0017] Figure 4 The diagram shown is a three-dimensional structural schematic of the steam generator in the high-efficiency membrane concentration equipment of this utility model.

[0018] Explanation of reference numerals in the attached diagram: 1. Concentrator; 2. Tank lid; 3. Stirring shaft; 4. Dispersion disc; 5. Scraper; 6. Steam-water separator; 71. Steam chamber; 72. Sealing cover; 73. Heating rod; 81. Insulation cover; 82. Coil; 83. Medium outlet; 84. Medium inlet; 9. Steam inlet pipe; 10. Steam recovery pipe; 11. Medium return pipe; 12. Drying steam supply pipe; 13. Feed inlet; 14. Motor; 15. Discharge valve. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Please see Figures 1-4 This utility model provides an embodiment: a high-efficiency membrane concentration device, including a concentration tank 1, a tank cover 2, a stirring shaft 3, a dispersion disc 4, and scrapers 5; it also includes a steam-water separator 6, a steam generator, and an insulation jacket assembly; a detachable tank cover 2 is installed on the upper end of the concentration tank 1; a stirring shaft 3 is rotatably connected inside the tank cover 2; a dispersion disc 4 and annularly distributed scrapers 5 are installed sequentially from top to bottom on the outside of the stirring shaft 3; a steam-water separator 6 and a steam generator are sequentially arranged on the right side of the concentration tank 1; an insulation jacket assembly is installed on the outside of the concentration tank 1; the steam generator includes a steam chamber 71; a detachable sealing device is fixedly connected to the upper end of the steam chamber 71. A cover 72 is provided; a heating rod 73 is fixedly connected to the lower side of the steam chamber 71; the insulation jacket assembly includes an insulation cover 81; a coil 82 is fixedly connected inside the insulation cover 81; a medium outlet 83 and a medium inlet 84 connected to the two ends of the coil 82 are respectively installed at the left and right ends of the insulation cover 81; a steam inlet pipe 9 connected to the inlet end of the steam-water separator 6 is installed at the upper end of the steam chamber 71; a steam recovery pipe 10 connected to the steam outlet end of the right end of the concentration tank 1 is installed at the upper end of the steam chamber 71; a medium return pipe 11 is installed between the medium outlet 83 and the steam chamber 71; and a dry steam supply pipe 12 is installed between the medium inlet 84 and the outlet end of the steam-water separator 6.

[0021] Please see Figure 1 and Figure 3 In this embodiment, check valves are installed on the steam inlet pipe 9, steam recovery pipe 10, medium return pipe 11, and dry steam supply pipe 12; the height of the heat insulation cover 81 is greater than half the height of the concentration tank 1, and the inner side of the coil 82 is attached to the outer surface of the concentration tank 1 to realize the circulation of the entire pipeline, reuse the used steam, and recover and utilize the high-temperature steam in the concentration tank 1 to improve the heating rate of the liquid in the steam chamber 71.

[0022] Please see Figures 1-3In this embodiment, a feed inlet 13 is installed at the left end of the concentration tank 1. The feed inlet 13 is tangential, so that when the liquid enters from the feed inlet 13, it can be evenly sprayed on the inner wall of the concentration tank 1, thereby forming a thin film, which can be heated and evaporated more quickly to achieve concentration. A motor 14 for driving the stirring shaft 3 is fixedly connected to the upper end of the tank cover 2. A discharge valve 15 is installed at the lower end of the concentration tank 1, which facilitates the removal of the concentrated liquid in the concentration tank 1.

[0023] During operation, the liquid enters the concentration tank 1 from the inlet 13 at a stable flow rate. The motor 14 starts, and the stirring shaft 3 inside the tank cover 2 rotates, driving the dispersing disc 4 and scraper 5 to rotate synchronously. Under the action of centrifugal force, the liquid is thrown towards the inner wall of the concentration tank 1. Under the action of gravity, it flows down along the inner wall of the concentration tank 1. The scraper 5 scrapes the liquid into a thin film. The coil 82 inside the heat insulation cover 81 heats the liquid, causing it to evaporate. Finally, the liquid is concentrated at the bottom of the concentration tank 1. The water vapor generated by evaporation enters the steam chamber 71 through the steam recovery pipe 10. The heating rod 73 heats the water, and the generated steam is sent to the steam-water separator 6 through the steam inlet pipe 9. After separating the water, the steam is supplied to the coil 82 through the drying steam supply pipe 12 and the medium inlet 84, and then discharged through the medium outlet 83. The liquid returns to the steam chamber 71 through the medium return pipe 11. The concentrated liquid is discharged through the discharge valve 15 at the bottom of the concentration tank 1.

[0024] Through the above steps, high-temperature steam is mixed with the refluxed heat medium, increasing the temperature of the heat medium. This allows the heat medium to be reused after a short heating period, achieving the recycling of the heat medium. Furthermore, at a sufficient temperature, the concentration efficiency of the liquid is guaranteed, thus solving the problems of low concentration efficiency and inability to recover and utilize heat.

[0025] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A high-efficiency membrane concentration device, comprising a concentration tank (1), a tank cover (2), a stirring shaft (3), a dispersion disc (4), and a scraper (5); characterized in that: It also includes a steam-water separator (6), a steam generator, and an insulation jacket assembly; a removable tank cover (2) is installed on the upper end of the concentrator (1); a stirring shaft (3) is rotatably connected inside the tank cover (2); a dispersion disc (4) and annularly distributed scrapers (5) are installed sequentially from top to bottom on the outside of the stirring shaft (3); a steam-water separator (6) and a steam generator are arranged sequentially on the right side of the concentrator (1); an insulation jacket assembly is installed on the outside of the concentrator (1); the steam generator includes a steam chamber (71); a removable sealing cover (72) is fixedly connected to the upper end of the steam chamber (71); a heating rod (73) is fixedly connected to the lower side inside the steam chamber (71); and an insulation jacket assembly is installed on the outside of the concentrator (1). The components include an insulation cover (81); a coil (82) is fixedly connected inside the insulation cover (81); a medium outlet (83) and a medium inlet (84) connected to the two ends of the coil (82) are respectively installed on the left and right ends of the insulation cover (81); a steam inlet pipe (9) connected to the inlet end of the steam-water separator (6) is installed on the upper end of the steam chamber (71); a steam recovery pipe (10) connected to the steam outlet end of the right end of the concentration tank (1) is installed on the upper end of the steam chamber (71); a medium return pipe (11) is installed between the medium outlet (83) and the steam chamber (71); and a dry steam supply pipe (12) is installed between the medium inlet (84) and the outlet end of the steam-water separator (6).

2. The high-efficiency membrane concentration equipment according to claim 1, characterized in that: Check valves are installed on the steam inlet pipe (9), steam recovery pipe (10), medium return pipe (11), and dry steam supply pipe (12).

3. The high-efficiency membrane concentration equipment according to claim 1, characterized in that: The height of the heat insulation cover (81) is greater than half the height of the concentration tank (1), and the inner side of the coil (82) is attached to the outer surface of the concentration tank (1).

4. The high-efficiency membrane concentration equipment according to claim 1, characterized in that: The left end of the concentration tank (1) is equipped with a feed inlet (13), which is tangential.

5. The high-efficiency membrane concentration equipment according to claim 1, characterized in that: A motor (14) for driving the stirring shaft (3) is fixedly connected to the upper end of the lid (2).

6. The high-efficiency membrane concentration equipment according to claim 1, characterized in that: A discharge valve (15) is installed at the lower end of the concentration tank (1).

Images