Superheated steam dehydration equipment for bean dregs

Abstract

The utility model relates to the technical field of bean dreg processing, in particular to bean dreg superheated steam dehydration equipment which comprises an outer tank and an inner tank, the outer tank is arranged on the outer wall of the inner tank, an inner cavity of the outer tank is filled with heat conducting oil, an air guide pipe is arranged in the inner cavity of the outer tank and is of a spiral structure, and the air guide pipe is provided with a water inlet. The two ends of the air guide pipe are arranged to be an air inlet end and an air outlet end respectively, the air inlet end penetrates through the outer side of the outer tank, the air outlet end penetrates through the inner side of the outer tank and the inner tank and is communicated with an inner cavity of the inner tank, a separation module is arranged above the inner cavity of the inner tank, and a residue filtering module is arranged at the upper end of the separation module. Positioning modules are connected between the separation module and the inner tank and between the residue filtering module and the inner tank, a residue scraping module is connected to the bottom end of the residue filtering module, heat conduction oil in the outer tank is heated through steam, heat is conveyed to the inner tank through the heat conduction oil, bean dregs are heated and dried, and in the drying process, the steam does not make contact with the bean dregs, so that the bean dregs are dried. The dehydrating and drying effects of bean dregs are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of bean dregs processing, and in particular relates to bean dregs superheated steam dehydration equipment. Background Art

[0002] The moisture content of bean dregs is as high as about 82%, which is very easy to spoil and become smelly. The high moisture content particularly affects its subsequent use. In addition, due to the small particle size of bean dregs and a certain amount of protein presenting a viscous gel, it is extremely difficult to squeeze and dry the dehydration. It is the biggest problem and bottleneck technology for the comprehensive utilization of bean dregs. The subsequent comprehensive utilization of bean dregs requires reducing the moisture content in the bean dregs. Biological fermentation into feed requires reducing the moisture content to below 60%. Drying of bean dregs requires more heat sources. Among them, for the operation method of heating the bean dregs with superheated steam, heating the moisture in the bean dregs, evaporating and extracting the moisture, thereby reducing the moisture content of the bean dregs, the steam filled in will contact the bean dregs, indicating that the moisture in the steam will enter the bean dregs, making the effect of steam drying the bean dregs poor. Utility Model Content

[0003] The utility model aims to provide a bean dregs superheated steam dehydration device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The bean dregs superheated steam dehydration equipment comprises an outer tank and an inner tank, the outer tank is arranged on the outer wall of the inner tank, the inner cavity of the outer tank is filled with heat transfer oil, the inner cavity of the outer tank is provided with an air guide pipe, the air guide pipe is arranged in a spiral structure, and the two ends of the air guide pipe are respectively arranged as an air inlet end and an air outlet end, the air inlet end passes through the outer side of the outer tank, the air outlet end passes through the inner side of the outer tank and the inner tank, and is communicated with the inner cavity of the inner tank, a partition module is arranged above the inner cavity of the inner tank, a filter residue module is arranged at the upper end of the partition module, and a positioning module is connected between the partition module and the filter residue module and the inner tank, a scraping module is connected to the bottom end of the filter residue module, and the scraping module and the air outlet are in the same horizontal plane, the upper end of the inner tank is fixedly connected with a tank cover by a positioning bolt, the middle part of the upper end of the tank cover is connected with an exhaust port, and the bottom of the exhaust port is communicated with the inner cavity of the inner tank.

[0006] Preferably, the partition module includes a partition plate, a steam discharge pipe and a primary one-way valve, the partition plate is arranged above the inner cavity of the inner tank, and the outer wall of the partition plate is in contact with the inner wall of the inner tank, the steam discharge pipe is symmetrically connected to the upper end of the partition plate, and the bottom end of the steam discharge pipe is connected to the cavity at the lower end of the partition plate, the primary one-way valve is arranged on the steam discharge pipe, and prevents steam from flowing back into the steam discharge pipe without affecting the discharge of water in the bean dregs, and receives the bean dregs scraped off by the scraping plate through the partition plate.

[0007] Preferably, the filter residue module includes an assembly ring, a circular plate, a connecting rod and a filter screen, the assembly ring is located above the partition plate, and the outer wall of the assembly ring is in contact with the inner tank, the circular plate is arranged in the middle of the assembly ring, the connecting rods are connected to the outer wall of the circular plate in a circular array, and the end of the connecting rod away from the circular plate is connected to the assembly ring, the filter screen is arranged in the assembly ring, and the filter screen is respectively connected to the assembly ring, the connecting rod and the circular plate, the bean dregs components carried in the steam are filtered through the filter screen, and the loss of bean dregs is reduced.

[0008] Preferably, the positioning module includes an auxiliary frame and a positioning plate, the auxiliary frame is symmetrically connected to the left and right sides of the upper end of the partition plate, and the left and right sides of the upper end of the assembly ring, the positioning plate is arranged in the middle of the auxiliary frame, and the positioning plate is fixedly connected to the inner tank by a positioning bolt, and the positioning plate is used in conjunction with the positioning bolt to fix the partition plate and the assembly ring to the inner tank;

[0009] The auxiliary frame is in a U-shaped structure, which makes it easy for personnel to lift the partition plate and the assembly ring through the auxiliary frame.

[0010] Preferably, the scraping module comprises a circular rod and a connecting sleeve, the circular rod is connected to the middle part of the lower end of the circular plate, and the connecting sleeve bearing is sleeved on the outer wall of the circular rod to ensure the rotation effect of the scraping plate.

[0011] Preferably, the scraping module also includes a scraping plate, which is connected to the outer wall of the connecting sleeve in a circular array, and the upper surface of the scraping plate is in contact with the filter screen. The scraping plate and the air outlet are in the same horizontal plane, and the steam used to heat the thermal oil will be directly sprayed onto the scraping plate after being discharged through the air outlet. In conjunction with the connecting sleeve and the circular rod, the scraping plate and the connecting sleeve are rotated around the circular rod as the center, thereby realizing the scraping function of the lower end of the filter screen, ensuring the filtering effect of the filter screen while collecting the bean dregs on the partition plate.

[0012] Preferably, a secondary one-way valve is provided on the gas outlet to prevent the steam in the inner tank from flowing back into the gas outlet.

[0013] Compared with the prior art, the utility model has the following beneficial effects: when the utility model is in use, the heat transfer oil in the outer tank is heated by steam, and the heat transfer oil transfers heat to the inner tank, and heats and dries the bean dregs, and the temperature of the heat transfer oil is constant after heating, which is beneficial to the drying effect. During the drying process, the steam does not contact the bean dregs, thereby ensuring the dehydration and drying effect of the bean dregs, and the bean dregs components carried in the steam discharged from the steam discharge pipe are filtered through a filter to reduce the loss of the bean dregs. At the same time, the steam used to heat the heat transfer oil will be directly sprayed onto the scraping plate after being discharged through the air outlet, and cooperate with the connecting sleeve and the circular rod to make the scraping plate and the connecting sleeve rotate around the circular rod as the center, thereby realizing the scraping function of the lower end of the filter, thereby ensuring the filtering effect of the filter and collecting the bean dregs on the partition plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall cross section of the okara superheated steam dehydration equipment.

[0015] Figure 2 This is a schematic diagram of the air guide pipes of the bean dregs superheated steam dehydration equipment.

[0016] Figure 3 This is a schematic diagram of the overall structure of the bean dregs superheated steam dehydration equipment.

[0017] Figure 4 Schematic diagram of the partition plate of the bean dregs superheated steam dehydration equipment.

[0018] Figure 5 This is a schematic diagram of the scraping module of the bean dregs superheated steam dehydration equipment.

[0019] In the figure: 1. outer tank; 2. inner tank; 3. air guide pipe; 4. air inlet; 5. air outlet; 51. secondary one-way valve; 6. partition module; 61. partition plate; 62. steam discharge pipe; 63. primary one-way valve; 7. filter residue module; 71. assembly ring; 72. circular plate; 73. connecting rod; 74. filter screen; 8. positioning module; 81. auxiliary frame; 82. positioning plate; 9. scraper module; 91. circular rod; 92. connecting sleeve; 93. scraper plate; 10. tank cover; 11. exhaust port. DETAILED DESCRIPTION

[0020] Example 1

[0021] See also Figure 1-Figure 5As shown, the bean dregs superheated steam dehydration equipment comprises an outer tank 1 and an inner tank 2, the outer tank 1 is arranged on the outer wall of the inner tank 2, the inner cavity of the outer tank 1 is filled with heat transfer oil, the inner cavity of the outer tank 1 is provided with an air guide pipe 3, the air guide pipe 3 is arranged in a spiral structure, and the two ends of the air guide pipe 3 are respectively arranged as an air inlet end 4 and an air outlet end 5, the air inlet end 4 passes through the outer side of the outer tank 1, the air outlet end 5 passes through the inner side of the outer tank 1 and the inner tank 2, and is communicated with the inner cavity of the inner tank 2, a partition module 6 is arranged above the inner cavity of the inner tank 2, a filter residue module 7 is arranged at the upper end of the partition module 6, and a positioning module 8 is connected between the partition module 6 and the filter residue module 7 and the inner tank 2, a scraping module 9 is connected to the bottom end of the filter residue module 7, and the scraping module 9 and the air outlet end 5 are in the same horizontal plane, the upper end of the inner tank 2 is fixedly connected with a tank cover 10 by positioning bolts, the middle part of the upper end of the tank cover 10 is connected with an exhaust port 11, and the bottom of the exhaust port 11 is communicated with the inner cavity of the inner tank 2.

[0022] refer to Figure 1 and Figure 4 As shown, the partition module 6 includes a partition plate 61, a steam discharge pipe 62 and a primary one-way valve 63. The partition plate 61 is arranged above the inner cavity of the inner tank 2, and the outer wall of the partition plate 61 is in contact with the inner wall of the inner tank 2. The steam discharge pipe 62 is symmetrically connected to the upper end of the partition plate 61, and the bottom end of the steam discharge pipe 62 is connected to the cavity at the lower end of the partition plate 61. The primary one-way valve 63 is arranged on the steam discharge pipe 62 to prevent steam from flowing back into the steam discharge pipe 62 without affecting the discharge of moisture in the bean dregs, and to receive the bean dregs scraped off by the scraping plate 93 through the partition plate 61.

[0023] refer to Figure 1 and Figure 5 As shown, the filter residue module 7 includes an assembly ring 71, a circular plate 72, a connecting rod 73 and a filter screen 74. The assembly ring 71 is located above the partition plate 61, and the outer wall of the assembly ring 71 is in contact with the inner tank 2. The circular plate 72 is arranged in the middle of the assembly ring 71. The connecting rods 73 are connected to the outer wall of the circular plate 72 in a circular array, and one end of the connecting rod 73 away from the circular plate 72 is connected to the assembly ring 71. The filter screen 74 is arranged in the assembly ring 71, and the filter screen 74 is respectively connected to the assembly ring 71, the connecting rod 73 and the circular plate 72. The bean dregs components carried in the steam are filtered through the filter screen 74 to reduce the loss of bean dregs.

[0024] refer to Figure 1 , Figure 4 and Figure 5As shown, the positioning module 8 includes an auxiliary frame 81 and a positioning plate 82. The auxiliary frame 81 is symmetrically connected to the left and right sides of the upper end of the partition plate 61 and the left and right sides of the upper end of the assembly ring 71. The positioning plate 82 is arranged in the middle of the auxiliary frame 81, and the positioning plate 82 is fixedly connected to the inner tank 2 by positioning bolts. The positioning plate 82 is used in conjunction with the positioning bolts to fix the partition plate 61 and the assembly ring 71 to the inner tank 2.

[0025] The auxiliary frame 81 is in a U-shaped structure, which makes it easy for a person to lift the partition plate 61 and the assembly ring 71 through the auxiliary frame 81 .

[0026] refer to Figure 1 and Figure 5 As shown, the scraping module 9 includes a circular rod 91 and a connecting sleeve 92. The circular rod 91 is connected to the middle of the lower end of the circular plate 72. The connecting sleeve 92 is bearing-mounted on the outer wall of the circular rod 91 to ensure the rotation effect of the scraping plate 93.

[0027] refer to Figure 1 and Figure 5 As shown, the scraping module 9 also includes a scraping plate 93, which is connected to the outer wall of the connecting sleeve 92 in a circular array, and the upper surface of the scraping plate 93 is in contact with the filter 74. The scraping plate 93 and the air outlet end 5 are in the same horizontal plane. The steam used to heat the thermal oil will be directly sprayed onto the scraping plate 93 after being discharged through the air outlet end 5. In conjunction with the connecting sleeve 92 and the circular rod 91, the scraping plate 93 and the connecting sleeve 92 are rotated around the circular rod 91 to realize the scraping function of the lower end of the filter 74, thereby ensuring the filtering effect of the filter 74 and collecting the bean dregs on the partition plate 61.

[0028] refer to Figure 1 and Figure 2 As shown, a secondary one-way valve 51 is provided on the gas outlet end 5 to prevent the steam in the inner tank 2 from flowing back into the gas outlet end 5 .

[0029] Working principle: Steam is introduced into the air guide pipe 3 from the air inlet end 4 and sprayed into the inner tank 2 through the air outlet end 5. When the steam is in the air guide pipe 3, it will heat the heat transfer oil filled in the outer tank 1. The heat transfer oil transfers heat to the inner tank 2 and heats and dries the bean dregs. The moisture in the bean dregs is discharged in the form of steam through the steam discharge pipe 62, the filter 74 and the exhaust port 11 in sequence. The steam discharged from the air outlet end 5 will contact the scraping plate 93, thereby blowing the scraping plate 93, so that the scraping plate 93 and the connecting sleeve 92 rotate around the circular rod 91, and the scraping plate 93 is used to scrape the bean dregs on the lower surface of the filter 74. The scraped bean dregs fall downward and are received by the partition plate 61 to complete the collection of the bean dregs.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bean curd dregs superheated steam dehydration device, comprising an outer tank (1) and an inner tank (2), characterized in that: The outer tank (1) is arranged on the outer wall of the inner tank (2); the inner cavity of the outer tank (1) is filled with heat transfer oil; the inner cavity of the outer tank (1) is provided with an air guide pipe (3); the air guide pipe (3) is arranged in a spiral structure; and the two ends of the air guide pipe (3) are respectively arranged as an air inlet end (4) and an air outlet end (5); the air inlet end (4) passes through the outer side of the outer tank (1); the air outlet end (5) passes through the inner side of the outer tank (1) and the inner tank (2), and is connected to the inner cavity of the inner tank (2); a partition module (6) is arranged above the inner cavity of the inner tank (2); A filter residue module (7) is provided at the upper end of the separation module (6), and a positioning module (8) is connected between the separation module (6) and the filter residue module (7) and the inner tank (2); a scraping module (9) is connected to the bottom end of the filter residue module (7), and the scraping module (9) and the gas outlet (5) are in the same horizontal plane; the upper end of the inner tank (2) is fixedly connected to a tank cover (10) via positioning bolts; the middle part of the upper end of the tank cover (10) is connected to an exhaust port (11), and the bottom of the exhaust port (11) is connected to the inner cavity of the inner tank (2).

2. The bean dregs superheated steam dehydration equipment according to claim 1, characterized in that: The partition module (6) comprises a partition plate (61), a steam exhaust pipe (62) and a primary one-way valve (63); the partition plate (61) is arranged above the inner cavity of the inner tank (2), and the outer wall of the partition plate (61) is in contact with the inner wall of the inner tank (2); the steam exhaust pipe (62) is symmetrically connected to the upper end of the partition plate (61), and the bottom end of the steam exhaust pipe (62) is connected to the cavity at the lower end of the partition plate (61); and the primary one-way valve (63) is arranged on the steam exhaust pipe (62).

3. The bean dregs superheated steam dehydration equipment according to claim 2, characterized in that: The filter residue module (7) comprises an assembly ring (71), a circular plate (72), a connecting rod (73) and a filter screen (74); the assembly ring (71) is located above the partition plate (61), and the outer wall of the assembly ring (71) is in contact with the inner tank (2); the circular plate (72) is arranged in the middle of the assembly ring (71); the connecting rods (73) are connected to the outer wall of the circular plate (72) in a circular array, and one end of the connecting rod (73) away from the circular plate (72) is connected to the assembly ring (71); the filter screen (74) is arranged in the assembly ring (71), and the filter screen (74) is respectively connected to the assembly ring (71), the connecting rod (73) and the circular plate (72).

4. The bean dregs superheated steam dehydration equipment according to claim 3, characterized in that: The positioning module (8) comprises an auxiliary frame (81) and a positioning plate (82), wherein the auxiliary frame (81) is symmetrically connected to the left and right sides of the upper end of the partition plate (61) and the left and right sides of the upper end of the assembly ring (71), respectively, and the positioning plate (82) is arranged in the middle of the auxiliary frame (81), and the positioning plate (82) is fixedly connected to the inner tank (2) by positioning bolts; The auxiliary frame (81) is in a U-shaped structure.

5. The bean dregs superheated steam dehydration equipment according to claim 3, characterized in that: The scraper module (9) comprises a circular rod (91) and a connecting sleeve (92); the circular rod (91) is connected to the middle part of the lower end of the circular plate (72); and the connecting sleeve (92) is bearing-shrouded on the outer wall of the circular rod (91).

6. The bean dregs superheated steam dehydration equipment according to claim 5, characterized in that: The scraping module (9) further comprises a scraping plate (93), wherein the scraping plate (93) is connected to the outer wall of the connecting sleeve (92) in a circumferential array, and the upper surface of the scraping plate (93) is in contact with the filter screen (74), and the scraping plate (93) and the air outlet end (5) are in the same horizontal plane.

7. The bean curd dregs superheated steam dehydration equipment according to claim 1, characterized in that: The gas outlet end (5) is provided with a secondary one-way valve (51).

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