Evenly-heated milk powder sterilization machine

Abstract

The utility model discloses a uniformly heated milk powder sterilization machine, and relates to the technical field of milk powder sterilization. The sterilization device comprises a sterilization tank, wherein a heat preservation sleeve is sleeved on the surface of the sterilization tank; and a material raising assembly is arranged on the surface of the heat preservation sleeve and comprises a driving motor fixedly connected to the surface of the heat preservation sleeve, a worm movably connected to the inner wall of the heat preservation sleeve through a bearing seat, a worm wheel meshed with the worm, a fixed cylinder fixedly connected to the axis of the worm wheel and a supporting plate fixedly connected to the surface of the fixed cylinder. The spiral structure of the lifting assembly and the lifting plate is driven by the worm gear and the worm to continuously rotate, milk powder at the bottom is lifted to the top to be thrown and fall down, a three-dimensional throwing path is formed, a stirring blind area is eliminated, an air channel is integrated in the lifting plate, hot air directly penetrates through gaps of milk powder particles, and an external circulation heating assembly is combined to heat the milk powder particles. Internal and external double-path heating is realized, and the heating effect of milk powder is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to milk powder sterilization technical field, especially, relate to a milk powder sterilization machine that receives even. BACKGROUND

[0002] Milk powder as important nutritional food, its production process in the sterilization procedure directly determines the product's microbial safety and nutrient retention rate, milk powder sterilization machine is the core equipment in dairy processing, mainly used for liquid or semi-solid milk powder raw material's pasteurization and sterilization treatment, traditional milk powder sterilization equipment adopts steam injection or hot air circulation technology, through high temperature short time or ultra high temperature treatment kills pathogenic bacteria, ensures that the product meets the food safety standards.

[0003] However, the existing milk powder sterilization machine due to the poor flowability of milk powder particles, low thermal conductivity and other characteristics, easy to cause uneven heating in the sterilization process, specific performance is: local overheating causes whey protein denaturation, and deep particle sterilization is not thorough, high energy consumption and low efficiency, and the existing device relies on a single heat source and needs frequent shutdown to clean the caked material, the continuous production capacity is limited, airflow distribution is uneven: static heating cavity airflow path is fixed, cannot dynamically adjust the hot air flow direction, milk powder layer exists "cold zone" dead angle (such as corner area).

[0004] Therefore, we provide a kind of milk powder sterilization machine that receives even to solve the problems in the above. Utility model content

[0005] The utility model aims at providing a kind of milk powder sterilization machine that receives even, by the cooperation of material lifting assembly and circulating heating assembly, solve the uneven heating and low heating efficiency in the milk powder sterilization process in the prior art.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes.

[0007] The utility model discloses a kind of even heated milk powder sterilization machines, including sterilization tank, the surface of sterilization tank is equipped with heat preservation sleeve;The surface of heat preservation sleeve is provided with material lifting assembly, material lifting assembly includes fixedly connected on the surface of heat preservation sleeve driving motor, worm is movably connected in the inner wall of heat preservation sleeve through bearing seat, worm gear is meshed with worm, fixed cylinder is fixedly connected at the axis of worm gear, support plate is fixedly connected on the surface of fixed cylinder, material lifting plate is fixedly connected with support plate side, and material is lifted up function to the upper side unintermittently by material lifting assembly;Heat preservation sleeve surface is also provided with circulating heating assembly, and circulating heating assembly includes heating box fixed on the surface of heat preservation sleeve, first air outlet pipe is communicated with heating box side, three-way pipe is communicated with the surface of first air outlet pipe, second air outlet pipe is communicated with the other air outlet hole of three-way pipe, reflux pipe is communicated with the bottom of heating box, and circulating air pump is communicated with the surface of reflux pipe, and material is heated in multiple directions evenly by circulating heating assembly.

[0008] The utility model further sets up, driving motor output shaft surface is fixedly connected with driving bevel gear, and driving bevel gear surface is engaged with driven bevel gear, and the surface of driven bevel gear axle is fixedly connected with worm.

[0009] The utility model further sets up, and the inner chamber of sterilization tank is fixedly connected with protection box through support rod, and the one end of worm is penetrated to the inner chamber of protection box, and the surface of worm is fixedly connected with worm gear.

[0010] The utility model further sets up, and the one end of first air outlet pipe is communicated with the top of heat preservation sleeve, and the one end of reflux pipe is communicated with the surface bottom of heat preservation sleeve.

[0011] The utility model further sets up, and the partition plate is set between heat preservation sleeve and sterilization tank, the number of partition plate is three, and the top of partition plate is provided with vent groove, and the cavity between heat preservation sleeve and sterilization tank is divided into three regions by setting partition plate.

[0012] The utility model further sets up, and spring is fixedly connected at the bottom of partition plate, and the other end of spring is fixedly connected with baffle, and sealing ball is fixedly connected with baffle one end, and when hot gas enters the upper cavity, the pressure generated by sealing ball is driven to move downward, so that vent groove is exposed, hot gas enters the middle cavity through vent groove, ensure that the temperature of the cavity between heat preservation sleeve and sterilization tank is consistent, realize the even heating effect of milk powder, and the spring constant of spring is small, to prevent the pressure of single cavity from being too large.

[0013] The utility model further sets up, fixed cylinder bottom has the third outlet pipe, the third outlet pipe other end penetrates to the cavity between sterilization tank and heat preservation cover.

[0014] The utility model has the following beneficial effects.

[0015] 1. The utility model discloses a material lifting assembly is set up, and the spiral structure of material lifting board is continuously rotated under the drive of worm wheel and worm, and the bottom milk powder is lifted to the top and is thrown and falls, forms three -dimensional throwing path, eliminates blind area of stirring, and the inside integrated air duct of material lifting board is directly penetrated between milk powder particles with hot air, combines external circulating heating assembly, realizes " internal and external double path " heating, improves milk powder heating effect.

[0016] 2. The utility model discloses a circulating heating assembly is set up, and three -way pipe and partition board design divide heating cavity into three independent temperature zones, and the opening of air passage is automatically adjusted through sealing ball, spring pressure feedback system, and the air pressure and temperature of each area are balanced, and the hot air is driven in multi -direction circulation between sterilization tank and heat preservation cover with circulating air pump, and the residual hot gas in material lifting board is introduced into the peripheral cavity of sterilization tank with the third outlet pipe, and the heating intensity of the corner area is enhanced, and cold area is eliminated.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above at the same time. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing briefly introduced to the embodiment.

[0019] Figure 1 It is a kind of heated uniform milk powder sterilization machine's perspective view.

[0020] Figure 2 It is a kind of heated uniform milk powder sterilization machine in the sectional view of sterilization tank.

[0021] Figure 3 It is a kind of heated uniform milk powder sterilization machine in the cooperation diagram of worm and worm wheel.

[0022] Figure 4 It is a kind of heated uniform milk powder sterilization machine in the perspective view of partition board.

[0023] Figure 5 It is a kind of heated uniform milk powder sterilization machine in the front view of material lifting board.

[0024] In the drawing: 1, sterilization tank; 2, heat preservation sleeve; 3, drive motor; 4, worm; 5, worm gear; 6, fixed cylinder; 7, support plate; 8, material lifting plate; 9, heating box; 10, first air outlet pipe; 11, tee pipe; 12, second air outlet pipe; 13, circulating air pump; 14, driving bevel gear; 15, driven bevel gear; 16, protection box; 17, partition plate; 18, air vent; 19, spring; 20, baffle; 21, sealing ball; 22, third air outlet pipe; 23, return pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments.

[0026] Embodiment 1

[0027] Please refer to Figures 1-5 The utility model discloses a kind of milk powder sterilization machines of uniform heating, including sterilization tank 1, heat preservation sleeve 2 is equipped on the surface of sterilization tank 1;The surface of heat preservation sleeve 2 is provided with material lifting assembly, and material lifting assembly includes drive motor 3 that is fixedly connected on the surface of heat preservation sleeve 2, worm 4 that is movably connected in the inner wall of heat preservation sleeve 2 by bearing seat, worm gear 5 that is mutually engaged with worm 4, fixed cylinder 6 that is fixedly connected at the shaft center of worm gear 5, support plate 7 that is fixedly connected on the surface of fixed cylinder 6, material lifting plate 8 that is fixedly connected with one side of support plate 7, and material is lifted to the function of being not interrupted upward by material lifting assembly;The surface of heat preservation sleeve 2 is also provided with circulating heating assembly, and circulating heating assembly includes heating box 9 that is fixed on the surface of heat preservation sleeve 2, first air outlet pipe 10 that is communicated with one side of heating box 9, tee pipe 11 that is communicated with the surface of first air outlet pipe 10, second air outlet pipe 12 that is communicated with another air outlet hole of tee pipe 11, return pipe 23 that is communicated with the bottom of heating box 9, circulating air pump 13 that is communicated with the surface of return pipe 23, and the function of multidirectional uniform heating to material is carried out by circulating heating assembly.

[0028] Further supplement: The inside of the retort 1 is provided with a heating structure and a sterilization structure, which are prior art, and the present scheme does not make redundant description, and the working principle is clear to those skilled in the art. The inner wall of the heat preservation sleeve 2 is provided with a heat preservation layer to prevent heat from being dissipated to the outside and to avoid heat loss. The material lifting plate 8 is a spiral structure, which realizes the cyclic movement of continuously lifting the material from the bottom to the top and then freely settling, improves the heating effect of the material, and the heating box 9 is prior art, which has an electric heating and temperature control unit inside to accurately heat the gas, start the auxiliary heating effect, the number of support plates 7 is five, and the inner cavities of the uppermost support plate 7 and the lowermost support plate 7 are provided with air ducts. The material lifting plate 8 is hollow, and the middle part of the fixed cylinder 6 is solid. Hot gas enters the inner cavity of the material lifting plate 8 through the air duct in the inner cavity of the upper support plate 7, and then flows back into the inner cavity of the fixed cylinder 6 through the air duct in the inner cavity of the lower support plate 7, realizing the heating function of the material lifting plate 8 and further improving the heating effect of the milk powder.

[0029] Embodiment 2

[0030] Please refer to Figures 1-5 On the basis of embodiment 1, the output shaft surface of the driving motor 3 is fixedly connected with a driving bevel gear 14, the surface of the driving bevel gear 14 is engaged with a driven bevel gear 15, the shaft center of the driven bevel gear 15 is fixedly connected with the surface of the worm 4, the inner cavity of the retort 1 is fixedly connected with a protection box 16 through a support rod, one end of the worm 4 penetrates into the inner cavity of the protection box 16, the worm 4 is hollow, one end of the first gas outlet pipe 10 is communicated with the top of the heat preservation sleeve 2, one end of the reflux pipe 23 is communicated with the surface of the bottom of the heat preservation sleeve 2, the heat preservation sleeve 2 and the retort 1 are provided with a partition plate 17, the number of the partition plate 17 is three, the top of the partition plate 17 is provided with a ventilation groove 18, the bottom of the partition plate 17 is fixedly connected with a spring 19, the other end of the spring 19 is fixedly connected with a baffle 20, one end of the baffle 20 is fixedly connected with a sealing ball 21, the bottom of the fixed cylinder 6 is communicated with a third gas outlet pipe 22, the other end of the third gas outlet pipe 22 penetrates into the cavity between the retort 1 and the heat preservation sleeve 2.

[0031] Further supplement: By setting the circulating air pump 13, the circulating air pump 13 can drive the hot gas to flow quickly, avoiding local heat accumulation. By designing the protection box 16, it is convenient to protect the meshing part of the worm 4 and the worm gear 5, avoid the milk powder entering, and at the same time in a closed environment, it is convenient for the hot gas to flow into the inner cavity of the fixed cylinder 6 through the worm 4. By setting the partition plate 17, it is convenient to divide the cavity between the heat preservation sleeve 2 and the retort 1 into three areas. By setting the sealing ball 21, when the hot gas enters the upper cavity, the pressure generated by the hot gas will drive the sealing ball 21 to move downward, so that the ventilation groove 18 is exposed, the hot gas enters the middle cavity through the ventilation groove 18, and the temperature of the cavity between the heat preservation sleeve 2 and the retort 1 is kept consistent, realizing the uniform heating effect of the milk powder. The spring 19 has a small elastic coefficient to prevent the pressure of a single cavity from being too large.

[0032] The working principle of the utility model is: through the external controller to start the driving motor 3, the driving motor 3 output shaft drives the worm 4 to rotate through the driving bevel gear 14 and the driven bevel gear 15, the worm 4 drives the fixed cylinder 6 to rotate through the worm wheel 5, the fixed cylinder 6 drives the material lifting plate 8 to rotate through the support plate 7, the spiral material lifting plate 8 continuously drives the bottom material upwards in the rotating process, then makes the material fall downwards at the highest place, improves the heating effect of the material;

[0033] The circulating gas pump 13 can drive the hot gas to flow rapidly in the pipeline, the hot gas in the first gas outlet pipe 10 enters the cavity between the heat preservation sleeve 2 and the sterilization tank 1 and the inner cavity of the worm 4 through the three-way pipe 11 and the second gas outlet pipe 12 respectively, the partition plate 17 divides the cavity between the heat preservation sleeve 2 and the sterilization tank 1 into three areas, when the hot gas enters the upper cavity, the pressure generated by the hot gas drives the sealing ball 21 to move downwards, so that the air vent groove 18 is exposed, the hot gas enters the middle cavity through the air vent groove 18, ensures that the temperature of the cavity between the heat preservation sleeve 2 and the sterilization tank 1 is consistent, realizes the uniform heating effect of the milk powder, at the same time, the hot gas enters the inner cavity of the fixed cylinder 6 through the worm 4 and the protection box 16, enters the inner cavity of the material lifting plate 8 through the inner cavity air duct of the upper support plate 7, and flows back into the inner cavity of the fixed cylinder 6 through the inner cavity air duct of the lower support plate 7, realizes the heating function of the material lifting plate 8, further improves the heating effect of the milk powder, the hot gas is heated twice in the heating box 9 through the third gas outlet pipe 22 and the reflux pipe 23, realizes the circulating heating effect.

[0034] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A milk powder sterilization machine that is heated uniformly, comprising a sterilization tank (1), characterized in that: The surface of the sterilization tank (1) is sleeved with a heat preservation sleeve (2); The surface of the heat preservation sleeve (2) is provided with a material lifting assembly, the material lifting assembly comprises a driving motor (3) fixedly connected to the surface of the heat preservation sleeve (2), a worm (4) movably connected to the inner wall of the heat preservation sleeve (2) through a bearing seat, a worm wheel (5) meshing with the worm (4), a fixed cylinder (6) fixedly connected to the axis of the worm wheel (5), a supporting plate (7) fixedly connected to the surface of the fixed cylinder (6), and a material lifting plate (8) fixedly connected to one side of the supporting plate (7), and the material lifting plate (8) is lifted upward by the material lifting assembly. The surface of the heat preservation sleeve (2) is also provided with a circulating heating assembly, the circulating heating assembly comprises a heating box (9) fixedly connected to the surface of the heat preservation sleeve (2), a first air outlet pipe (10) in communication with one side of the heating box (9), a three-way pipe (11) in communication with the surface of the first air outlet pipe (10), a second air outlet pipe (12) in communication with the other air outlet hole of the three-way pipe (11), a reflux pipe (23) in communication with the bottom of the heating box (9), and a circulating air pump (13) in communication with the surface of the reflux pipe (23), and the material is heated uniformly in multiple directions by the circulating heating assembly.

2. The milk powder sterilizing machine that is heated evenly according to claim 1, characterized in that: The output shaft of the driving motor (3) is fixedly connected with a driving bevel gear (14), the surface of the driving bevel gear (14) is engaged with a driven bevel gear (15), and the axis of the driven bevel gear (15) is fixedly connected with the surface of the worm (4).

3. The milk powder sterilizing machine of uniform heating according to claim 1, characterized in that: The inner cavity of the sterilization tank (1) is fixedly connected with a protection box (16) through a supporting rod, one end of the worm (4) penetrates into the inner cavity of the protection box (16), and the worm (4) is designed as hollow.

4. The milk powder sterilizing machine of uniform heating according to claim 1, characterized in that: One end of the first air outlet pipe (10) is in communication with the top of the heat preservation sleeve (2), and one end of the reflux pipe (23) is in communication with the bottom of the surface of the heat preservation sleeve (2).

5. The milk powder sterilizing machine of uniform heating according to claim 1, characterized in that: A partition plate (17) is arranged between the heat preservation sleeve (2) and the sterilization tank (1), the number of the partition plates (17) is three, and the top of the partition plate (17) is provided with a ventilation groove (18).

6. The milk powder sterilizing machine of uniform heating according to claim 5, characterized in that: The bottom of the partition plate (17) is fixedly connected with a spring (19), the other end of the spring (19) is fixedly connected with a baffle (20), and one end of the baffle (20) is fixedly connected with a sealing ball (21).

7. The milk powder sterilizing machine of uniform heating according to claim 1, characterized in that: The bottom of the fixed cylinder (6) is in communication with a third air outlet pipe (22), and the other end of the third air outlet pipe (22) penetrates into the cavity between the sterilization tank (1) and the heat preservation sleeve (2).

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