Conditioning equipment for producing freshwater fish compound feed

Abstract

The invention belongs to the technical field of conditioning equipment, and particularly relates to conditioning equipment for producing freshwater fish compound feed. According to the conditioning equipment for producing the freshwater fish compound feed, the rotary heating cylinder unit, the hollow frame body unit and the lifting limiting rod unit are arranged on the perforated frame body unit, so that 1, the hollow frame body unit serving as a steam introduction structure is positioned in the rotary heating cylinder unit, and the hollow frame body unit is positioned in the lifting limiting rod unit; the volume of the equipment is greatly reduced on the premise of ensuring that the heating operation and the steam introduction operation do not influence each other; and 2, the rotary heating cylinder unit can rotate, so that the heating operation is uniform, the heating time can be set as required, and the problem of insufficient heating is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of conditioning equipment, and in particular relates to a conditioning equipment for producing compound feed for freshwater fish. Background Art

[0002] Common freshwater fish feeds include grass carp feeds, silver carp feeds, and sea bass feeds. The raw material composition of the above feeds is basically the same, mainly including animal protein, plant protein, starch, and various additives.

[0003] The general production methods of the above compound feeds are also similar, mainly including mixing, conditioning, puffing and granulation, drying, cooling, and screening. The conditioning equipment is used before the puffing and granulation machine, corresponding to the conditioning step.

[0004] The function of conditioning equipment is mainly to gelatinize starch, denature protein, kill harmful microorganisms, and thus improve the digestibility of feed. Generally, conditioning methods mainly include electric heating wire heating, hot air blowing, and high-temperature steam introduction, and the above methods can be used in combination.

[0005] Correspondingly, the main structural components of the quenching and tempering equipment include a shell, a conveying mechanism, and an external mechanism. Among them, the external mechanism is mainly responsible for generating various high temperature conditions required for the quenching and tempering operation. Therefore, the external mechanism is generally a hot air blower or a high-temperature steam generator.

[0006] For example, a Chinese utility model patent with authorization announcement number CN221355675U and authorization announcement date 2024.07.19 discloses a tempering device for aquatic feed production, whose structure includes a feed tempering tank, a pre-preheating module, an inlet, a discharge port, a transmission motor, and a support frame. The pre-preheating module includes a hot air blower, an air collecting barrel, a shell, an insulation layer, a ventilation and dust collecting mechanism, and a feed guide port. The hot air blower is installed at the right end of the shell, the air collecting barrel is installed on the left side of the hot air blower, the insulation layer is horizontally installed inside the shell, the ventilation and dust collecting mechanism is installed at the left end of the shell, and the discharge port is clamped at the bottom of the shell.

[0007] The general structural principle and advantages of the tempering device in this utility model patent are as follows: the ventilation dust collection mechanism can cooperate with the pre-preheating module to reduce feed dust, the pre-preheating module can use hot air to uniformly dry the aquatic feed, and preheat the aquatic feed before tempering, which is convenient for subsequent heating and tempering treatment. The fan dust collection mechanism can separate dust, debris and particles from the aquatic feed, thereby optimizing the product quality of the aquatic feed.

[0008] However, in actual use, the quenching and tempering device still has at least the following two shortcomings, which are also the technical problems to be solved by the present invention, namely: First, the heating structure and the tempering structure are completely separated and arranged one above the other, which makes the device relatively large in size, not compact in structure, and poor in practicality; Second, the effective duration of the heating function is almost entirely dependent on the falling speed of the material. Therefore, it is easy for the material to fall too quickly and the hot air to blow insufficiently, which is due to the lack of active adjustment effect of the heating time.

[0009] So in summary, there is an urgent need for a new type of conditioning equipment with highly integrated heating and conditioning structure and its own active heating time adjustment function, so as to perform sufficient and appropriate combined conditioning operations on the raw materials of freshwater fish feed. Summary of the invention

[0010] The present invention provides a conditioning device for producing compound feed for freshwater fish. The device can be configured by arranging a rotating heating cylinder unit, a hollow frame unit, and a lifting limit rod unit on a perforated frame unit, so that: 1. the hollow frame unit as a steam introduction structure is located inside the rotating heating cylinder unit, and the volume of the device is greatly reduced under the premise that the heating operation and the steam passing operation do not affect each other; 2. the rotating heating cylinder unit itself can rotate, so that the heating operation is uniform, and the heating time can be set as needed, so as to avoid the problem of insufficient heating.

[0011] The technical solution adopted by the present invention to solve the above-mentioned problem is: a tempering equipment for producing freshwater fish compound feed, the structure of which includes a perforated frame unit, a rotating heating cylinder unit inserted into the perforated frame unit and used for performing a prior heating operation on the mixed raw materials, a hollow frame unit arranged in the rotating heating cylinder unit and used for performing a subsequent steam passing operation on the mixed raw materials, and a lifting and limiting rod unit inserted into the rotating heating cylinder unit and connected to the hollow frame unit and used for pressing the hollow frame unit onto the mixed raw materials.

[0012] A further preferred technical solution is that the perforated frame unit includes a bottom plate, a vertical plate arranged on the bottom plate, a circular hole arranged on the vertical plate and used to install the rotating heating cylinder unit, and a limit plate arranged on the vertical plate and used to block the lifting limit rod unit from being lowered.

[0013] A further preferred technical solution is that the rotating heating cylinder unit includes a cylinder body, two end plates arranged on the cylinder body, an inlet and outlet port arranged on one of the end plates, an active rotating shaft arranged on the cylinder body and plugged into the circular hole, and an electric heating wire arranged on the inner bottom surface of the cylinder body.

[0014] A further preferred technical solution is that the hollow frame unit includes an inner tube arranged in the cylinder and connected to the lifting limit rod unit, an outer hollow rectangular frame arranged at both ends of the inner tube and connected to the inner tube and used to seal the inlet and outlet when the mixed raw materials are pressed down, and steam holes arranged on the inner tube and the outer hollow rectangular frame.

[0015] A further preferred technical solution is that the hollow frame unit also includes a tension spring whose upper end is arranged on the inner annular surface of the cylinder and is used to suspend the inner tube.

[0016] A further preferred technical solution is that the rotary heating cylinder unit further includes a heat-conductive protective film disposed on the inner bottom surface of the cylinder body and used for covering the heating wire.

[0017] A further preferred technical solution is that the lifting limit rod unit includes a vertical tube which is inserted into the cylinder and connected to the inner tube at the lower end, a hollow limit block which is arranged on the upper end surface of the vertical tube and is used to block and engage the limit plate after descending, and a steam pipe which is arranged on the hollow limit block.

[0018] A further preferred technical solution is that the perforated frame unit further includes a rotatable unilateral blocking plate which is arranged on the limiting plate and is located at both sides of the inlet and outlet respectively.

[0019] A further preferred technical solution is that the perforated frame unit further includes an inverted cylinder disposed on the vertical plate and used for pressing down the hollow limit block in the horizontal direction.

[0020] A further preferred technical solution is that the perforated frame unit further comprises a transverse plate which is arranged on the inverted cylinder and is used to block the hollow limit block from limiting rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the perforated frame unit in the present invention.

[0023] Figure 3 It is a schematic diagram of the position structure of the rotary heating cylinder unit in the present invention.

[0024] Figure 4 It is a schematic diagram of the position structure of the hollow frame unit in the present invention from a top view.

[0025] Figure 5 It is a schematic diagram of the position and shape of the rotating unilateral blocking plate in the present invention from a top view.

[0026] Figure 6 It is a schematic diagram of the use of the outer hollow rectangular frame in the present invention to block the inlet and outlet.

[0027] Figure 7 It is a schematic diagram of the use of the transverse plate in the present invention.

[0028] In the figure, the meanings of the symbols are as follows: Mix raw materials a; Perforated frame unit 1, rotating heating cylinder unit 2, hollow frame unit 3, lifting limit rod unit 4; Bottom plate 101, vertical plate 102, circular hole 103, limit plate 104, rotation unilateral blocking plate 105, inverted cylinder 106, horizontal plate 107, cylinder mounting hole plate 108; Cylinder 201, end plate 202, inlet and outlet 203, active rotating shaft 204, electric heating wire 205, thermal conductive protective film 206, material tube 207; Inner tube 301, outer hollow rectangular frame 302, steam hole 303, tension spring 304; Vertical pipe 401 , hollow limit block 402 , steam pipe 403 . DETAILED DESCRIPTION

[0029] The following descriptions are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention.

[0030] As attached Figure 1-7 As shown, a tempering equipment for producing freshwater fish compound feed includes a perforated frame unit 1, a rotating heating cylinder unit 2 inserted into the perforated frame unit 1 and used for performing a prior heating operation on a mixed raw material a, a hollow frame unit 3 arranged in the rotating heating cylinder unit 2 and used for performing a subsequent steaming operation on the mixed raw material a, and a lifting and limiting rod unit 4 inserted into the rotating heating cylinder unit 2 and connected to the hollow frame unit 3 and used for pressing the hollow frame unit 3 onto the mixed raw material a.

[0031] In this embodiment, the perforated frame unit 1 is used to plug and install the rotating heating cylinder unit 2, and allows the latter to reciprocate vertically at a certain angle. At this point, the mixed raw material a can be flattened in the lower area of ​​the rotating heating cylinder unit 2, and with the heating structure of the same large length, a sufficient, rapid and uniform heating effect can be obtained.

[0032] During the above heating process, the rotating heating cylinder unit 2 can also reciprocate vertically as required, or remain horizontal. At this time, the above heating function at least has the advantage of selecting the heating time as required, ensuring that the heating operation in the tempering stage is sufficient and appropriate.

[0033] In addition, the hollow frame unit 3 is located inside the rotating heating cylinder unit 2, and while the latter is rotating for heating or rotating for heating, the former is always at a relatively high position, and the single addition amount of the mixed raw material a is also controlled within a range that is not easy to fall on the hollow frame unit 3 even during shaking.

[0034] After the raw material heating operation is completed, the rotating heating cylinder unit 2 rotates to a horizontal position, and the lifting and limiting rod unit 4 presses down the hollow frame unit 3 until the latter is pressed on the flattened mixed raw material a, and finally the high-temperature steam generating device connected to the lifting and limiting rod unit 4 is turned on to perform the steam introduction operation.

[0035] Therefore, the structural feature of the hollow frame unit 3 being located inside the rotating heating cylinder unit 2 has the dual advantages of small equipment size, high compactness of structure, and no mutual influence between the heating and steaming operations.

[0036] The perforated frame unit 1 includes a bottom plate 101, a vertical plate 102 arranged on the bottom plate 101, a circular hole 103 arranged on the vertical plate 102 and used for installing the rotating heating cylinder unit 2, and a limit plate 104 arranged on the vertical plate 102 and used to block the lifting limit rod unit 4 that has been lowered.

[0037] In this embodiment, the number of the vertical plates 102 is two, which are respectively located on both sides of the rotary heating cylinder unit 2. Correspondingly, the number of the circular holes 103 and the limiting plates 104 are also two.

[0038] The functions of the limiting plate 104 are as follows: First, when the device is heating, the hollow frame unit 3 and the lifting limit rod unit 4 are at a relatively high position, and the limit plate 104 cannot touch the rotating lifting limit rod unit 4, so as to avoid interfering with the vertical reciprocating rotation of the rotating heating cylinder unit 2; Second, when the equipment is in steam-passing operation, the hollow frame unit 3 and the lifting limit rod unit 4 are in a relatively low position, and the lifting limit rod unit 4 engages with the upper surface of the limit plate 104, thereby prohibiting the rotating heating cylinder unit 2 from rotating, thereby avoiding the steam pipeline on the lifting limit rod unit 4 from being pulled, and the harmful phenomenon of a large amount of raw materials accumulating on the hollow frame unit 3.

[0039] It should be noted that the general method of conditioning feed raw materials is mainly to heat first and then pass steam. However, in this device, when steam is passed into the hollow frame unit 3, the electric heating structure of the rotating heating cylinder unit 2 can also be turned on as needed, but the latter cannot rotate.

[0040] The rotating heating cylinder unit 2 includes a cylinder 201, two end plates 202 arranged on the cylinder 201, an inlet and outlet port 203 arranged on one of the end plates 202, an active rotating shaft 204 arranged on the cylinder 201 and plugged into the circular hole 103, and an electric heating wire 205 arranged on the inner bottom surface of the cylinder 201.

[0041] In this embodiment, when the mixed raw material a is added to the rotary heating cylinder unit 2, the inlet and outlet 203 is tilted upward, and when the mixed raw material a is completely tempered, the inlet and outlet 203 is tilted downward to perform the discharging operation.

[0042] In addition, the cylinder 201 can be a round cylinder or a square cylinder, and the installation and use of the heating wire 205 are all carried out in accordance with the prior art. A wire hole required for the installation and use of the heating wire 205 can be opened on the cylinder 201, and sufficient wire length is reserved.

[0043] The hollow frame unit 3 includes an inner tube 301 arranged in the cylinder 201 and connected to the lifting limit rod unit 4, an outer hollow rectangular frame 302 arranged at both ends of the inner tube 301 and connected to the inner tube 301 and used to block the inlet and outlet 203 when the mixed raw material a is pressed down, and a steam hole 303 arranged on the inner tube 301 and the outer hollow rectangular frame 302.

[0044] In this embodiment, the inner tube 301 and the outer hollow rectangular frame 302 are connected, and the steam starts from the generator, passes through the lifting limit rod unit 4, the inner tube 301, and the outer hollow rectangular frame 302 in sequence, and finally sprays out at the steam hole 303, which is used to perform steam blowing operation on the mixed raw material a below that has been leveled, so as to achieve basic steam conditioning effect.

[0045] In addition, the single addition amount of the mixed raw material a needs to be adjusted and limited so that: when the hollow frame unit 3 is pressed on the mixed raw material a, the outer hollow rectangular frame 302 just blocks the inlet and outlet 203. At this time, most of the steam enters the mixed raw material a, and the amount that escapes and is wasted at the inlet and outlet 203 is relatively small, thereby improving the efficiency of the steam conditioning operation.

[0046] The word "blocked" means that the lateral projections of the feed inlet and outlet 203 all fall on the outer surface of the outer hollow rectangular frame 302, and the distance between the outer side surface of the outer hollow rectangular frame 302 and the inner side surface of the end plate 202 is ≤1 cm.

[0047] Finally, the steam hole 303 is arranged at the bottom of the inner tube 301 and the outer hollow rectangular frame 302, making the steam adding operation more direct. After the hollow frame unit 3 completes the steam conditioning operation, the amount of raw materials accidentally remaining on the inner tube 301 and the outer hollow rectangular frame 302, as well as the steam hole 303 is small and can be ignored.

[0048] The hollow frame unit 3 further includes a tension spring 304 , the upper end of which is arranged on the inner annular surface of the cylinder 201 and is used to suspend the inner tube 301 .

[0049] In this embodiment, the function of the tension spring 304 is to ensure that the hollow frame unit 3 and the lifting limit rod unit 4 have a relatively high position away from the mixed raw material a before the steam operation is introduced, so as to prevent a large amount of raw materials from being thrown onto the inner tube 301 and the outer hollow rectangular frame 302.

[0050] Correspondingly, the lifting and limiting rod unit 4 is prevented from being engaged with the limiting plate 104 during the reciprocating rotation of the rotary heating cylinder unit 2, otherwise the lifting and limiting rod unit 4 may be broken.

[0051] The rotary heating cylinder unit 2 further includes a heat conductive protective film 206 disposed on the inner bottom surface of the cylinder body 201 and used for covering the heating wire 205 .

[0052] In this embodiment, the material of the heat-conducting protective film 206 is a common graphite heat-conducting film, which is used to completely cover the heating wire 205. Accordingly, a heat-insulating film is arranged between the heating wire 205 and the bottom of the cylinder 201, so that the heat generated by the heating wire 205 is used to heat the mixed raw material a as much as possible, rather than being wasted and dissipated outward on the cylinder 201.

[0053] On the other hand, when the thermally conductive protective film 206 is not used, the heating wire 205 is set to have a thermally conductive insulating coating, and the above-mentioned thermal insulation film is also used, which can also achieve an efficient and safe raw material heating effect.

[0054] The lifting limit rod unit 4 includes a vertical tube 401 which is inserted into the cylinder 201 and the lower end of which is connected to the inner tube 301, a hollow limit block 402 which is arranged on the upper end surface of the vertical tube 401 and is used to block and engage the limit plate 104 after descending, and a steam pipe 403 which is arranged on the hollow limit block 402.

[0055] In this embodiment, an opening is provided at the center of the upper part of the cylinder 201 for plugging in the vertical tube 401, and the gap between the two is relatively small. The internal cavities of the vertical tube 401, the hollow limit block 402, the inner tube 301 and the outer hollow rectangular frame 302 are connected as a whole. Steam enters the steam pipe 403 and can be finally discharged only at the steam hole 303, thereby ensuring efficient steam entry effect.

[0056] The perforated frame unit 1 further includes a rotatable single-side blocking plate 105 which is disposed on the limiting plate 104 and is located at both sides of the material inlet and outlet 203 .

[0057] In this embodiment, with the vertical tube 401 as the boundary, the rotating unilateral blocking plate 105 and the inlet and outlet port 203 are respectively located on both sides, and the position of the rotating unilateral blocking plate 105 is relatively close to the side, so that: the maximum upward range of the inlet and outlet port 203 can facilitate the raw material adding operation; the maximum downward range of the inlet and outlet port 203 can fully carry out the raw material pouring operation.

[0058] The states of the cylinder 201 corresponding to the maximum upward amplitude and the maximum downward amplitude, that is, after rotating in two directions, they respectively abut against the rotating unilateral blocking plate 105.

[0059] Accordingly, in a top view, the overall structure composed of one rotating unilateral blocking plate 105 and two limiting plates 104 is in a U shape. Figure 5 .

[0060] The perforated frame unit 1 further includes an inverted cylinder 106 disposed on the vertical plate 102 and used for pressing down the hollow limit block 402 in the horizontal direction.

[0061] In this embodiment, the upper ends of the two vertical plates 102 are connected through the cylinder mounting hole plate 108, and the opening structure on the latter is used to pass the cylinder axis of the inverted cylinder 106 downward, so that the hollow frame unit 3 can be pressed on the mixed raw material a as needed.

[0062] At this time, the hollow limit block 402 and the cylinder 201 are both horizontal, and the end point of the above-mentioned pressing action is that the hollow limit block 402 is pressed on the limit plate 104 and keeps the pressing state motionless until enough steam is introduced into the steam pipe 403.

[0063] Correspondingly, when the lifting and limiting rod unit 4 rotates along with the rotating heating cylinder unit 2 , the inverted cylinder 106 is appropriately retracted upward, thereby allowing the lifting and limiting rod unit 4 to rotate and swing.

[0064] The perforated frame unit 1 further includes a transverse plate 107 disposed on the inverted cylinder 106 and used for blocking the hollow limiting block 402 during limiting rotation.

[0065] In this embodiment, the material of the transverse plate 107 is rubber with medium elasticity, and its function is to limit and display the reciprocating rotation amplitude of the rotary heating cylinder unit 2 .

[0066] When the rotating heating cylinder unit 2 rotates, its maximum single-side rotation amplitude is set to the point where the hollow limit block 402 hits the transverse plate 107, and the rotation amplitude of the rotating heating cylinder unit 2 is displayed and monitored by the deformation amplitude of the transverse plate 107, thereby ultimately making the reciprocating rotation motion of the rotating heating cylinder unit 2 adjustable and monitorable.

[0067] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various modifications can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the present invention. These are all non-creative modifications and are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A conditioning device for producing freshwater fish feed, characterized in that: The structure comprises a perforated frame unit (1), a rotating heating cylinder unit (2) inserted into the perforated frame unit (1) and used for performing a prior heating operation on a mixed raw material (a), a hollow frame unit (3) arranged in the rotating heating cylinder unit (2) and used for performing a subsequent steam passing operation on the mixed raw material (a), and a lifting and limiting rod unit (4) inserted into the rotating heating cylinder unit (2), connected to the hollow frame unit (3), and used for pressing the hollow frame unit (3) onto the mixed raw material (a).

2. A conditioning equipment for producing freshwater fish feed according to claim 1, characterized in that: The perforated frame unit (1) comprises a bottom plate (101), a vertical plate (102) arranged on the bottom plate (101), a circular hole (103) arranged on the vertical plate (102) and used for mounting the rotating heating cylinder unit (2), and a limit plate (104) arranged on the vertical plate (102) and used for blocking the lifting limit rod unit (4) that has been lowered.

3. A conditioning equipment for producing freshwater fish feed according to claim 2, characterized in that: The rotary heating cylinder unit (2) comprises a cylinder (201), two end plates (202) arranged on the cylinder (201), an inlet and outlet port (203) arranged on one of the end plates (202), an active rotating shaft (204) arranged on the cylinder (201) and plugged into the circular hole (103), and an electric heating wire (205) arranged on the inner bottom surface of the cylinder (201).

4. A conditioning equipment for producing freshwater fish feed according to claim 3, characterized in that: The hollow frame unit (3) comprises an inner tube (301) arranged in the cylinder (201) and connected to the lifting limit rod unit (4), an outer hollow rectangular frame (302) arranged at both ends of the inner tube (301) and connected to the inner tube (301) and used to block the inlet and outlet ports (203) when the mixed raw material (a) is pressed down, and steam holes (303) are arranged on the inner tube (301) and the outer hollow rectangular frame (302).

5. A conditioning equipment for producing freshwater fish compound feed according to claim 4, characterized in that: The hollow frame unit (3) further comprises a tension spring (304) whose upper end is arranged on the inner annular surface of the cylinder (201) and is used to suspend the inner tube (301).

6. The conditioning equipment for producing freshwater fish feed according to claim 3, characterized in that: The rotary heating cylinder unit (2) further comprises a heat-conductive protective film (206) which is arranged on the inner bottom surface of the cylinder body (201) and is used to cover the heating wire (205).

7. The conditioning equipment for producing freshwater fish feed according to claim 4, characterized in that: The lifting limit rod unit (4) comprises a vertical tube (401) inserted into the cylinder (201) and having its lower end connected to the inner tube (301), a hollow limit block (402) arranged on the upper end surface of the vertical tube (401) and used to block and engage the limit plate (104) after descending, and a steam pipe (403) arranged on the hollow limit block (402).

8. The conditioning equipment for producing freshwater fish feed according to claim 3, characterized in that: The perforated frame unit (1) further comprises a rotatable single-side blocking plate (105) which is arranged on the limiting plate (104) and is located at two sides of the material inlet and outlet (203).

9. The conditioning equipment for producing freshwater fish compound feed according to claim 7, characterized in that: The perforated frame unit (1) further comprises an inverted cylinder (106) arranged on the vertical plate (102) and used for pressing down the hollow limit block (402) in the horizontal direction.

10. The conditioning equipment for producing freshwater fish feed according to claim 9, characterized in that: The perforated frame unit (1) further comprises a transverse plate (107) arranged on the inverted cylinder (106) and used to block the hollow limiting block (402) during limiting rotation.

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