Device for treating moist flour with superheated steam

Abstract

The application provides a device for treating wet flour by superheated steam, which comprises a feeding assembly, a shearing assembly, a rotary vibration assembly, a discharging assembly and a treatment cylinder which is internally communicated with superheated steam; the feeding assembly is arranged above the treatment cylinder and is used for mixing flour and water mist into premixed dough and then feeding the premixed dough into the treatment cylinder; the shearing assembly is arranged at the top of the treatment cylinder and is used for shearing the premixed dough into cake-shaped dough and driving the rotary vibration assembly to rotate; the rotary vibration assembly is arranged at the upper part of the treatment cylinder and is located beside the shearing assembly, and is used for driving the cake-shaped dough to vibrate up and down and then conveying the cake-shaped dough to the discharging assembly; the discharging assembly is arranged at the lower part of the treatment cylinder and is located below the rotary vibration assembly, and is used for cutting and dispersing the cake-shaped dough and then discharging the cake-shaped dough out of the treatment cylinder. The device can solve the problems of easy caking, uneven treatment and low treatment efficiency in the process of heat treatment of flour.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flour processing equipment, in particular, relates to a device for treating wet flour by using superheated steam. BACKGROUND

[0002] In order to improve the quality of flour, certain functional properties can be obtained by modifying the treatment of flour. Heat treatment technology has become a common method for treating flour due to its natural and residue-free advantages. Superheated steam treatment is a new type of heat treatment technology, which has the characteristics of high heat transfer coefficient and inhibition of chemical changes. Heat treatment of flour can improve the pasting properties and water holding capacity of flour, and the flour products made from treated flour have better taste. The change of physical and chemical properties of flour is related to the moisture content of the flour before treatment. The greater the moisture content of the flour, the more significant the change of physical and chemical properties, and the treatment efficiency will be improved accordingly.

[0003] The patent application with the publication number CN111700210A discloses a flour humidification system, which comprises a box body, an air source heat pump, a first fan, a water curtain humidification mechanism and a water vapor separation mechanism arranged in the box body in sequence. The water curtain humidification mechanism comprises a water pump and a spray head connected with the water pump by a water pipe and spraying water mist. The water vapor separation mechanism comprises a plurality of water baffle plates staggered on the inner wall of the box body. A material receiver is connected with an air outlet through an air outlet pipe, and a chute is connected to the material receiver. A material lifting pipe is connected with the material receiver at one end and connected to a shaker at the other end. A dust collector is connected with the shaker through a connecting pipe, and an air outlet pipe is connected to the output end of the dust collector, and a second fan is connected to the air outlet pipe. The flour humidification system automatically supplements the air after temperature and humidity adjustment under the condition of flour air transportation and material lifting negative pressure air supplement, automatically humidifies the flour in pneumatic conveying, and can make the flour humidification uniform and automatic balance. However, the water mist temperature of the flour humidification system is limited, and the flour cannot be effectively heat treated, and the caking and uneven heat treatment during the wetting process of the flour cannot be effectively solved. SUMMARY

[0004] In order to solve the problems of easy caking, uneven treatment and low treatment efficiency in the process of flour heat treatment, the technical scheme adopted by the present application is: a device for treating wet flour by using superheated steam, comprising a feeding assembly, a shearing assembly, a rotary vibration assembly, a discharging assembly and a treatment cylinder internally communicated with superheated steam.

[0005] The feeding assembly is arranged above the treatment cylinder and is used to mix the flour and water mist into a premix dough and then send it into the treatment cylinder;

[0006] The shearing assembly is arranged at the top of the processing cylinder and is used to shear the premixed dough into a cake-shaped dough and drive the rotating and vibrating assembly to rotate;

[0007] The rotating and vibrating assembly is arranged at the upper part of the processing cylinder and is located beside the shearing assembly and is used to drive the cake-shaped dough to vibrate up and down and be transported to the discharging assembly;

[0008] The discharging assembly is arranged at the lower part of the processing cylinder and is located below the rotating and vibrating assembly and is used to shred and disperse the cake-shaped dough and discharge the processing cylinder.

[0009] Based on the above, in order to facilitate installation and support, a support partition is arranged in the middle of the processing cylinder cavity, the bottom of the rotating and vibrating assembly is elastically connected to the upper side of the support partition, the top of the discharging assembly is rotationally connected to the lower side of the support partition, and a discharging passage is formed in the support partition.

[0010] Based on the above, in order to facilitate heat preservation of the inside of the processing cylinder, a jacket is arranged on the outside wall of the processing cylinder, the jacket is provided with a jacket air inlet, a jacket air outlet, and a cylinder-in air inlet communicating with the processing cylinder cavity, and the jacket air inlet and the cylinder-in air inlet are respectively connected with superheated steam.

[0011] Based on the above, in order to be able to stir in time when feeding, the feeding assembly comprises a stirring cylinder, the top of the stirring cylinder is provided with a stirring motor and a feeding port, the inside of the stirring cylinder is provided with stirring blades connected to the stirring motor, and the bottom of the stirring cylinder is provided with a discharging pipe communicating with the processing cylinder.

[0012] Based on the above, in order to be able to shear the dough in time, the shearing assembly comprises a rotary drive motor, the middle of the rotary shaft of the rotary drive motor is provided with an incomplete gear, the bottom of the rotary shaft of the rotary drive motor is provided with a cutting blade, the rotary path of the cutting blade is located directly below the discharging pipe, and a rotary sealing mechanism is arranged between the rotary shaft of the rotary drive motor and the top of the processing cylinder.

[0013] Based on the above, in order to be able to disperse the sheared dough in time, increase the contact area with the superheated steam, and make it uniformly heated, the rotating and vibrating assembly comprises a vibrating motor arranged at the top of the processing cylinder and a vibrating shaft located in the inside of the processing cylinder, the vibrating motor is drivingly connected with an eccentric wheel, the top of the vibrating shaft is slidingly matched with the eccentric wheel, the upper part of the vibrating shaft is provided with a driven gear meshingly driven by the incomplete gear, the bottom of the vibrating shaft is elastically connected to the support partition and rotationally matched with the support partition, and a spiral conveying disc is arranged on the vibrating shaft.

[0014] Based on the above, in order to increase the sealing property, the top and the bottom of the vibrating shaft are respectively provided with a vibrating sealing mechanism.

[0015] Based on the above, in order to be able to discharge the processed flour in time, the discharge assembly includes a discharge shaft arranged at the lower part of the processing cylinder, the discharge shaft is provided with spiral blades, the upper end of the discharge shaft is rotationally arranged on the support partition plate, the lower end of the discharge shaft is rotationally connected with a discharge motor, and the bottom of the processing cylinder is provided with a discharge port.

[0016] Based on the above, the sidewall of the stirring cylinder is provided with an atomizer interface, and the atomizer interface is connected with an atomizer.

[0017] Based on the above, the bottom of the processing cylinder is provided with a support seat, and the top of the stirring cylinder is provided with a stirring motor seat.

[0018] The device for treating wet flour by using superheated steam provided by the present application has the advantages of obvious progress and substantial characteristics compared with the prior art. Specifically, by controlling the atomization time of the atomizer in the feeding assembly, the corresponding water content of the flour is obtained, and the water is uniformly distributed in the flour through repeated stirring. The shearing assembly below the feeding assembly can vibrate up and down, and the rotation speed of the shearing assembly can be controlled to change the thickness of the feed, which helps to uniformly heat the wet flour inside and outside, and can also avoid the accumulation of wet flour at the feed port.

[0019] At the same time, the shearing assembly can rotate and vibrate cyclically under the action of the rotary vibration assembly, which can make the wet flour more dispersed and avoid clumping. The discharge assembly arranged below the shearing assembly can rotate at high speed to discharge, further improving the heat transfer efficiency between the superheated steam and the wet flour. In addition, the jacket outside the shearing assembly and the discharge assembly is distributed with a jacket air inlet, a jacket air outlet and a cylinder air inlet, which can maintain the temperature inside the processing cylinder through the jacket, avoid the heat loss of the superheated steam in the cylinder, increase the heat transfer efficiency between the superheated steam and the wet flour, and further improve the flour heat treatment efficiency.

[0020] Further, the rotation speed between the feeding assembly, the shearing assembly and the discharge assembly can be controlled respectively to avoid clumping and accumulation of the wet flour in the equipment. Therefore, the device for treating wet flour by using superheated steam can solve the problems of easy clumping, uneven treatment and low treatment efficiency in the flour heat treatment process. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the overall structure schematic diagram of the device for treating wet flour by using superheated steam provided by the present application.

[0022] Figure 2 is the top structure schematic diagram of the device for treating wet flour by using superheated steam provided by the present application.

[0023] Figure 3 is a schematic diagram of the internal structure of the device for treating wet flour with superheated steam provided by the present application.

[0024] Figure 4 and Figure 5 is a partial schematic diagram of the rotating vibration assembly in the device for treating wet flour with superheated steam provided by the present application.

[0025] Figure 6 is a partial schematic diagram of the feed assembly in the device for treating wet flour with superheated steam provided by the present application.

[0026] Figure 7 is a partial schematic diagram of the discharge assembly in the device for treating wet flour with superheated steam provided by the present application.

[0027] In the figure: 1, stirring motor; 2, stirring cylinder; 3, atomizer interface; 4, eccentric wheel; 5, rotating drive motor; 6, rotating vibration assembly; 7, vibration motor; 8, jacket air inlet; 9, treatment cylinder; 10, jacket; 11, jacket air outlet, 12, discharge motor; 13, discharge port; 14, support seat; 15, stirring motor seat; 16, feed port; 17, discharge pipe; 18, vibration shaft; 19, passive gear; 20, incomplete gear; 21, treatment cylinder top cover; 22, cylinder air inlet; 23, stirring blade; 24, spiral conveying disc; 25, jacket cavity; 26, spiral blade; 27, discharge shaft; 28, vibration sealing mechanism; 29, main drive shaft; 30, sealing gland; 31, balance block; 32, vibration block; 33, second rotating sleeve; 34, second cover; 35, first cover; 36, first sealing ring; 37, first rotating sleeve; 38, moving ring; 39, first spring; 40, stationary ring; 41, support sleeve; 42, second spring; 43, sleeve; 44, discharge passage; 45, third air seal; 46, cutting blade. DETAILED DESCRIPTION

[0028] The technical solutions of the present application are described in further detail below through specific embodiments.

[0029] Example 1

[0030] The present embodiment provides a device for treating wet flour with superheated steam, as shown in Figure 1 , Figure 2 , Figure 3 , which includes a feed assembly, a shearing assembly, a rotating vibration assembly 6, a discharge assembly, and a treatment cylinder 9 with superheated steam inside.

[0031] The feeding assembly is arranged above the processing cylinder 9, and is used for feeding the premixed dough into the processing cylinder after the flour is mixed with the water mist. The shearing assembly is arranged on the top of the processing cylinder 9, and is used for shearing the premixed dough into the cake dough and driving the rotary vibration assembly to rotate.

[0032] The rotary vibration assembly is arranged on the upper part of the processing cylinder 9 and beside the shearing assembly, and is used for driving the cake dough to vibrate up and down and conveying to the discharging assembly. The discharging assembly is arranged on the lower part of the processing cylinder 9 and below the rotary vibration assembly, and is used for cutting and dispersing the cake dough and discharging the cake dough from the processing cylinder 9.

[0033] In this embodiment, as shown in Figure 3 and Figure 5 , in order to facilitate installation and support, the middle part of the cavity of the processing cylinder 9 is provided with a support partition plate 44, the bottom of the rotary vibration assembly is elastically connected to the upper side of the support partition plate 44, the top of the discharging assembly is rotatably connected to the lower side of the support partition plate 44, and the support partition plate 44 is provided with a discharging passage 45.

[0034] As shown in Figure 3 , in order to facilitate heat preservation of the inside of the processing cylinder 9, a jacket 10 is sleeved on the outer wall of the processing cylinder 9. The jacket 10 is provided with a jacket air inlet 8, a jacket air outlet 11, and a cylinder-in air inlet 22 communicating with the cavity of the processing cylinder 9. The jacket air inlet 8 and the cylinder-in air inlet 22 are respectively connected with superheated steam. The inside of the jacket 10 forms a jacket cavity 25 for storing superheated steam.

[0035] As shown in Figure 2 and Figure 3 , in order to be able to stir in time when feeding, the feeding assembly comprises a stirring cylinder 2, and the stirring cylinder 2 is provided with a stirring motor 1 and a feeding port 16 on the top. The stirring cylinder 2 is provided with stirring blades 23 connected with the stirring motor 1 inside, and is provided with a discharging pipe 17 communicating with the processing cylinder 9 at the bottom.

[0036] As shown in Figure 4 , in order to be able to shear the dough in time, the shearing assembly comprises a rotary drive motor 5. The rotary shaft of the rotary drive motor 5 is provided with an incomplete gear 20 at the middle part, and is provided with a cutting blade 47 at the bottom, and the rotary path of the cutting blade 47 is located directly below the discharging pipe 17. The rotary shaft of the rotary drive motor 5 is provided with a rotary sealing mechanism between the top of the processing cylinder 9.

[0037] As shown in Figure 3 , Figure 4 and Figure 5As shown, in order to disperse the sheared dough in time, increase the contact area with the superheated steam, and heat it evenly, the rotary vibration component 6 includes a vibration motor 7 arranged on the top cover 21 of the processing cylinder and a vibration shaft 18 located inside the processing cylinder 9.

[0038] The vibration motor 7 is drivingly connected to the eccentric wheel 4. The top of the vibration shaft 18 rotates and slides with the eccentric wheel 4. The upper portion of the vibration shaft 18 is provided with a passive gear 19 that meshes with the incomplete gear 20. The bottom of the vibration shaft 18 is elastically connected to the support partition 44 and rotates with the support partition 44. The vibration shaft 18 is provided with a spiral conveyor disk 24.

[0039] In order to improve the sealing performance, the top and bottom of the vibration shaft 18 are respectively provided with vibration sealing mechanisms 28.

[0040] like Figure 3 and Figure 7 As shown, in order to discharge the processed flour in a timely manner, the discharge assembly includes a discharge shaft 27 disposed at the bottom of the processing cylinder, and the discharge shaft 27 is provided with a spiral blade 26. The upper end of the discharge shaft 27 is rotatably mounted on the support partition 44, and the lower end of the discharge shaft 27 is rotatably connected to the discharge motor 12. The bottom of the processing cylinder 9 is provided with a discharge port 13.

[0041] In this embodiment, an atomizer interface 3 is provided on the side wall of the mixing drum 2, and an atomizer is externally connected to the atomizer interface 3. A support base 14 is provided at the bottom of the processing drum 9, and a stirring motor base 15 is provided at the top of the mixing drum 2.

[0042] Example 2

[0043] This embodiment provides a device for treating wet flour using superheated steam. The main difference from Example 1 is that in this embodiment, Figure 4 、 Figure 5 As shown, the vibration sealing mechanism includes a second air seal arranged on the top of the vibration shaft. The second air seal includes a second sealing cover 34, a vibration block 32, a sealing gland 30, a second sealing ring, a balancing block 31 and a second rotating sleeve 33.

[0044] The sealing gland 30 is placed on the top cover 21 of the processing cylinder, and a second sealing ring is placed at the joint to form a labyrinth seal as the first seal. The balance block 31 is placed on the sealing gland 30, and a horizontally fixed spring is arranged at the bottom of the balance block 31. The second rotating sleeve 33 is fixed on the vibrating shaft 18 by a set screw. The vibrating block 32 is connected with the rectangular groove at the bottom of the second rotating sleeve 33 through the rectangular protrusion at the top, so that the vibrating block 32 rotates together with the vibrating shaft 18. The vibration of the vibrating block 32 and the spring of the balance block 31 make the gas pressure higher than the pressure of the processing cylinder, so that the leakage of overheated steam at the shaft joint is avoided, and the second cover 34 is fixedly connected with the cylinder cover of the processing cylinder.

[0045] The vibrating shaft is sleeved with a sleeve 43 at the outside of the bottom, and the sleeve 43 is rotationally matched with the support partition through a bearing. The second spring 42 is arranged between the sleeve 43 and the vibrating shaft, and the sleeve 43 is connected with the vibrating shaft through the groove on the shaft, so that the sleeve 43 rotates synchronously with the vibrating shaft.

[0046] Embodiment 3

[0047] The embodiment provides a device for treating wet flour by using overheated steam, and the main difference from the embodiment 1 is that, as shown in Figure 4 and Figure 6 The rotating sealing mechanism includes a first gas seal arranged at the bottom of the main driving shaft 29. The first gas seal includes a first spring 39, a first cover 35, a first rotating sleeve 37, a dynamic ring 38, a static ring 40, a first sealing ring 36 and a support sleeve 41.

[0048] The support sleeve is placed on the cylinder cover of the processing cylinder, the static ring is placed on the support sleeve, a first sealing ring is arranged at the outer joint, and a first spring is arranged at the inner joint.

[0049] The first rotating sleeve is fixed on the main driving shaft 29 by a set screw. The dynamic ring is connected with the rectangular groove at the bottom of the first rotating sleeve through the rectangular protrusion at the top, so that the dynamic ring rotates together with the main driving shaft 29. The first cover is fixedly connected with the cylinder cover of the processing cylinder, so that the leakage of overheated steam at the main driving shaft 29 is avoided.

[0050] Embodiment 4

[0051] The embodiment provides a device for treating wet flour by using overheated steam, and the main difference from the embodiment 1 is that, as shown in Figure 7 A third gas seal 46 is arranged between the lower end of the discharging shaft and the processing cylinder.

[0052] Specifically, the device for treating wet flour by using overheated steam provided by the embodiment has the following specific working steps:

[0053] In use, the flour is put into the stirring cylinder in the feeding assembly, the atomizer is used to spray the stirring cylinder to wet the flour, and the stirring blade in the feeding assembly is used to mix the wet flour evenly. Then the discharge valve at the bottom of the stirring cylinder is opened, the dough enters the processing cylinder 9 from the feeding port under the action of the stirring blade, at the same time, the shear blade shears the transported dough into 10mm or so cake dough, which falls on the spiral conveying disc under the action of its own gravity, through the intermittent rotation of the large gear transmitted by the incomplete gear and the intermittent vibration of the rotating vibration shaft transmitted by the eccentric block, the cake dough on the spiral conveying disc is conveyed to the discharge assembly, in the process, the cake dough keeps the vibration action to avoid the caking phenomenon in the processing process, then the spiral blade cuts and disperses it, increases the contact area with the superheated steam, and finally the spiral blade discharges the processed flour from the discharge port through the discharge valve.

[0054] It should be noted finally that: the above examples are only used to illustrate the technical solutions of the present application but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. An apparatus for treating moist flour with superheated steam, characterized by: The device comprises a feeding assembly, a shearing assembly, a rotary vibration assembly, a discharging assembly and a processing cylinder with superheated steam inside; The feeding assembly is arranged above the processing cylinder and used for feeding the premixed dough into the processing cylinder after mixing the flour and water mist; The shearing assembly is arranged on the top of the processing cylinder and used for shearing the premixed dough into a cake-shaped dough and driving the rotary vibration assembly to rotate; The rotary vibration assembly is arranged on the upper part of the processing cylinder and beside the shearing assembly, used for driving the cake-shaped dough to vibrate up and down and conveying to the discharging assembly; The discharging assembly is arranged on the lower part of the processing cylinder and below the rotary vibration assembly, used for cutting and dispersing the cake-shaped dough and discharging from the processing cylinder; The middle part of the cavity of the processing cylinder is provided with a support partition, the bottom of the rotary vibration assembly is elastically connected to the upper side of the support partition, the top of the discharging assembly is rotationally connected to the lower side of the support partition, and a discharging passage is formed in the support partition; The outer wall of the processing cylinder is sleeved with a jacket, the jacket is provided with a jacket air inlet, a jacket air outlet and a cylinder air inlet connected to the cavity of the processing cylinder, and the jacket air inlet and the cylinder air inlet are respectively connected with superheated steam; The feeding assembly comprises a stirring cylinder, the top of the stirring cylinder is provided with a stirring motor and a feeding port, the inside of the stirring cylinder is provided with stirring blades connected to the stirring motor, and the bottom of the stirring cylinder is provided with a discharging pipe connected to the processing cylinder; The shearing assembly comprises a rotary drive motor, the middle part of the rotary shaft of the rotary drive motor is provided with an incomplete gear, the bottom of the rotary shaft of the rotary drive motor is provided with a cutting blade, the rotary path of the cutting blade is located directly below the discharging pipe, and a rotary sealing mechanism is arranged between the rotary shaft of the rotary drive motor and the top of the processing cylinder; The rotary vibration assembly comprises a vibration motor arranged on the top of the processing cylinder and a vibration shaft arranged inside the processing cylinder, the vibration motor is drivingly connected with an eccentric wheel, the top of the vibration shaft is slidingly connected with the eccentric wheel, the upper part of the vibration shaft is provided with a driven gear meshing with the incomplete gear, the bottom of the vibration shaft is elastically connected to the support partition and rotationally connected with the support partition, and a spiral conveying disc is arranged on the vibration shaft; The side wall of the stirring cylinder is provided with a sprayer interface, and the sprayer interface is connected with a sprayer.

2. The device for treating wet flour with superheated steam according to claim 1, characterized in that: The top and bottom of the vibration shaft are respectively provided with vibration sealing mechanisms.

3. The device for treating moist flour with superheated steam according to claim 1 or 2, characterized in that: The discharging assembly comprises a discharging shaft arranged on the lower part of the processing cylinder, the discharging shaft is provided with a spiral blade, the upper end of the discharging shaft is rotationally arranged on the support partition, the lower end of the discharging shaft is rotationally connected with a discharging motor, and the bottom of the processing cylinder is provided with a discharging port.

4. The apparatus for treating moist flour with superheated steam as claimed in claim 3, wherein: The bottom of the processing cylinder is provided with a support seat, and the top of the stirring cylinder is provided with a stirring motor seat.

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