阅读说明：本技术 一种蜂蜜的干燥方法 (Honey drying method ) 是由 黄德满 黄敬贤 黄建邦 其他发明人请求不公开姓名 于 2021-05-28 设计创作，主要内容包括：本发明涉及到一种蜂蜜的干燥方法,属于蜂蜜加工技术领域。本发明涉及到一种蜂蜜的干燥方法,采用低温蒸汽替代高温蒸汽,充分利用相变热形成的高热能,加大了蜂蜜中水分的汽化率,完全消除蜂蜜中活性成分在干燥过程中因高温失活现象,获得大量热能的水分在高真空度的蒸发腔体内迅速蒸发,连续不断的蜂蜜经过干燥后从产品出口被排出。本发明采用真正的全低温干燥,完全保证蜂蜜中有效物质的活性成分,确保蜂蜜产品的优秀品质,加以在线检测器配合强制循环泵的介入,使得整个干燥生产既降低了劳动强度又减少能源消耗。(The invention relates to a honey drying method, and belongs to the technical field of honey processing. The invention relates to a honey drying method, which adopts low-temperature steam to replace high-temperature steam, fully utilizes high heat energy formed by phase change heat, increases the vaporization rate of water in honey, completely eliminates the phenomenon that active ingredients in the honey are inactivated due to high temperature in the drying process, obtains a large amount of heat energy, and quickly evaporates water in an evaporation cavity with high vacuum degree, and continuously dries the honey and then is discharged from a product outlet. The invention adopts real full low temperature drying, completely ensures the active ingredients of effective substances in the honey, ensures the excellent quality of the honey product, and adds the intervention of an on-line detector and a forced circulation pump, so that the whole drying production not only reduces the labor intensity, but also reduces the energy consumption.)

1. A drying method of honey is characterized by comprising the following steps:

(1) preparing low-temperature steam: vacuumizing a tube pass cavity of the reboiler (1) from a first vacuum interface (3) by using a vacuum pump, injecting pure heating medium water from a heating medium inlet and outlet (6) at the bottom of the reboiler (1) until the reboiler (1) is filled with the pure heating medium water, closing the heating medium inlet and outlet (6), opening a heating medium reflux valve (7), and closing a valve on the first vacuum interface (3) when the vacuum reaches a preset value; the preset temperature value of the temperature control sensor (2) is set for controlling the linkage steam inlet (4) to ensure the temperature of the secondary heating medium;

(2) and honey drying: opening a second vacuum interface (18) of the condensation cooler (17), vacuumizing tube passes of the condensation cooler (17), the evaporation cavity (13) and the heating cavity (8) by using a vacuum pump, and opening a condensed water valve (19), a condensed cooling water outlet (22) and a condensed cooling water inlet (23); when the vacuum degree of the evaporation cavity (13) is greater than the vacuum degree of the tube pass cavity of the reboiler (1), opening the material inlet and outlet (9) and introducing honey raw materials to be dried, heating honey entering the heating tube array and water in the honey to vaporize and rapidly rise under a high vacuum environment, and spraying the honey to the evaporation cavity (13) through a pipeline;

(3) and condensation cooling: pumping the water vapor which rotates and rises into a condensing cooler (17) by a vacuum pump, gathering condensed water into a liquid accumulation tank (21) at the bottom end of the condensing cooler (17) from a condensed water valve (19), and opening a centrifugal pump to pump out the condensed water from a liquid outlet (20) after a large amount of condensed water is accumulated in the liquid accumulation tank (21);

(4) discharging and circulating: the dehydrated honey rotates along the side wall of the evaporation cavity (13) and falls to a material accumulation area at the bottom of the evaporation cavity (13) and is conveyed by a forced circulation pump (12) along a pipeline at the bottom of the evaporation cavity (13), when the online detector (10) detects that the water content of the passed honey is less than a set value, the online detector (16) is linked to close and the material outlet (11) is linked to open, qualified dehydrated honey is discharged from the linked material outlet (11), and the discharged qualified honey is packaged and put in storage after being mixed and homogenized; when the online detector (10) detects that the water content of passing honey is greater than a set value, the linkage material outlet (11) is closed, the linkage one-way valve (16) is opened, and the honey which is unqualified in dehydration returns to the heating cavity (8) through the linkage one-way valve (16) to be continuously heated and dehydrated until the water content of the honey is qualified, so that the honey drying is completed.

2. A method for drying honey as claimed in claim 1, wherein the degree of vacuum in the reboiler (1) is greater than-0, 09 MPa.

3. A honey drying method according to claim 1, wherein the temperature set value of the temperature control sensor (2) on the pipeline connecting the reboiler (1) with the heating chamber (8) is 25-55 ℃.

4. A honey drying method according to claim 1, wherein the vacuum in the condenser cooler (17), evaporation chamber (13) and heating chamber (8) is greater than-0,095 MPa.

5. A honey drying method according to claim 1, wherein the water content of the line detector (10) connected to the heating chamber (8) at the bottom of the evaporation chamber (13) is set at 15-20%.

Technical Field

The invention relates to a honey drying method, and belongs to the technical field of honey processing.

Background

The existing honey drying adopts vacuum low-temperature drying, adopts a heating medium of low-temperature hot water to heat, reduces the vaporization temperature of water by a vacuum cavity, because the honey raw material in a low-temperature state has the defects of high viscosity, short heating stroke, small temperature difference between a heating medium and the material and low enthalpy, only a small part of water can be removed in one-time drying, qualified products can be obtained only by repeatedly carrying out multi-stage drying, and the production cost is greatly increased due to large energy and manual consumption, the honey drying adopts low-temperature vacuum drying by taking industrial steam as the heating medium, since the surface temperature of the heat conductor metal that exchanges heat with honey is the temperature of industrial steam, therefore, in practice, the honey is heated in an instant high-temperature process, which causes the active ingredients contained in the honey to be completely denatured and inactivated, and the dried honey actually loses the significance of being used as a nutritional food.

The invention relates to a honey drying method, which adopts low-temperature steam to replace high-temperature steam, fully utilizes high heat energy formed by phase change heat, increases the vaporization rate of water in honey, completely eliminates the phenomenon that active ingredients in the honey are inactivated due to high temperature in the drying process, obtains a large amount of heat energy, and quickly evaporates water in an evaporation cavity with high vacuum degree, and continuously dries the honey and then is discharged from a product outlet. The invention adopts real full low temperature drying, completely ensures the active ingredients of effective substances in the honey, ensures the excellent quality of the honey product, and adds the intervention of an on-line detector and a forced circulation pump, so that the whole drying production not only reduces the labor intensity, but also reduces the energy consumption.

Disclosure of Invention

In order to overcome the defects in the background process technology, the technical scheme adopted by the invention for solving the technical problems is as follows: a drying method of honey is characterized by comprising the following steps:

(1) preparing low-temperature steam: vacuumizing the tube pass cavity of the reboiler from the first vacuum interface by using a vacuum pump, injecting heat medium pure water from a heat medium inlet and outlet at the bottom of the reboiler until the reboiler is full of the heat medium pure water, then closing the heat medium inlet and outlet, opening a heat medium reflux valve, and closing a valve on the first vacuum interface when the vacuum reaches a preset value; setting a preset temperature value of a temperature control sensor for controlling a linkage steam inlet to ensure the temperature of a secondary heating medium;

(2) and honey drying: opening a second vacuum interface of the condensation cooler, vacuumizing tube passes of the condensation cooler, the evaporation cavity and the heating cavity by using a vacuum pump, and opening a condensed water valve, a condensed cooling water outlet and a condensed cooling water inlet; when the vacuum degree of the evaporation cavity is greater than that of the reboiler tube pass cavity, opening the material inlet and outlet, introducing honey raw materials to be dried, heating honey in the heating tube array and water in the honey to vaporize and rapidly rise under high vacuum environment, and spraying out from the evaporation cavity through a pipeline;

(3) and condensation cooling: pumping the water vapor which rotates and rises into a condensing cooler by a vacuum pump, gathering condensed water in a liquid accumulation tank at the bottom end of the condensing cooler from a condensed water valve, and opening a centrifugal pump to pump out the condensed water from a liquid outlet after much condensed water is accumulated in the liquid accumulation tank;

(4) discharging and circulating: the dehydrated honey rotates along the side wall of the evaporation cavity and falls to a material accumulation area at the bottom of the evaporation cavity and is conveyed by a forced circulation pump along a pipeline at the bottom of the evaporation cavity, when an online detector detects that the water content of the passed honey is less than a set value, a linkage one-way valve is closed and a linkage material outlet is opened, qualified dehydrated honey is discharged from the linkage material outlet, and the discharged qualified honey is packaged and put in storage after being mixed and homogenized; when the online detector detects that the water content of the passing honey is greater than the set value, the linkage material outlet is closed, the linkage one-way valve is opened, and the honey which is not dehydrated returns to the heating cavity through the linkage one-way valve to be continuously heated and dehydrated until the water content of the honey is qualified, so that the honey drying is completed.

The preferred reboiler vacuum is greater than-0, 09 mpa.

Preferably, the temperature set value of the temperature control sensor on the reboiler connecting heating cavity pipeline is 25-55 ℃.

Preferably the vacuum levels on the tube side of the condenser cooler, the evaporation chamber and the heating chamber are greater than-0,095 MPa.

Preferably, the water content set value of the line detector connected to the heating cavity pipeline at the bottom of the evaporation cavity is 15-20%.

The invention relates to a method for drying honey, which contains more components such as glucose, fructose and water, and real nutritional components such as a small amount of bioactive components, wherein the bioactive components are easy to denature and inactivate by contacting high temperature, and the honey is fermented by overhigh water content, so that the honey is changed in gas, acid and mildew to deteriorate. The invention relates to a honey drying method, which comprises the steps of enabling honey raw materials with excessive water content to enter a heating cavity from the bottom of the heating cavity, carrying out heat exchange with low-temperature steam or low-temperature heating medium through a tube array, thereby avoiding the inactivation of active ingredients due to the contact with a high-temperature heating surface, continuously obtaining water-containing honey with vaporization heat energy, flushing the water-containing honey into an evaporation cavity through a pipeline for vaporization, enabling water molecules to enter a condensation cooler through a pipeline after vaporization and rise, enabling the water-lost honey to sink to the bottom of the evaporation cavity, directly influencing the rise and ejection of the honey in the heat exchange tube array due to high viscosity of the honey and intensified viscosity of the water-lost honey, arranging a forced circulation pump on a connecting pipeline of the evaporation cavity to the heating cavity, an on-line detector, a material outlet and a one-way valve which are linked with the on-line detector, and discharging the honey from the material outlet when the on-line detector detects that the water content of the honey is qualified, when the online detector detects that the water content of the honey is unqualified, the one-way valve is opened, the honey enters the heating cavity again to be heated, and then enters the evaporation cavity to be evaporated, so that the water content of the honey is ensured to be qualified. The invention adopts low-temperature steam or low-temperature heating medium to provide vaporization heat, uses an online detector to be matched with a forced circulation pump to perform discharging, liquid rising heating again and auxiliary ejection evaporation, thus avoiding the loss of the nutritional value of honey products caused by contact high-temperature inactivation of active ingredients in honey, and adopting internal circulation continuous heating evaporation to reduce energy consumption and labor consumption.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of a production apparatus used in a method of drying honey according to the present invention;

wherein: 1. a reboiler; 2. a temperature control sensor; 3. a first vacuum interface; 4. a linkage steam inlet; 6. a heating medium inlet and outlet; 7. a heating medium reflux valve; 8. a heating cavity; 9. a material inlet and a material outlet; 10. a line detector; 11. a linkage material outlet; 12. a forced circulation pump; 13. an evaporation chamber; 16. a linkage one-way valve; 17. a condensing cooler; 18. a second vacuum interface; 19. a condensate valve; 20. a liquid discharge port; 21. a liquid accumulation tank; 22. a condensed cooling water outlet; 23. and a condensation cooling water inlet.

Detailed Description

The method for drying honey according to the present invention will now be described in further detail with reference to the accompanying drawings. The drawing is a simplified schematic diagram illustrating the drying method of the present invention only in a schematic manner, and thus the apparatus shows only the constitution related to the present invention.

The specific implementation is as follows: referring to the attached drawings, a honey drying method comprises the following steps:

(1) preparing low-temperature steam, vacuumizing a tube pass cavity of a reboiler 1 from a first vacuum interface 3 by using a vacuum pump, injecting heat medium pure water from a heat medium inlet and outlet 6 at the bottom until the reboiler 1 is full of water, closing the heat medium inlet and outlet 6, opening a heat medium reflux valve 7, closing a first vacuum interface 3 valve when the vacuum reaches-0.095 MPa, and setting the value of a temperature control sensor 2 to be 55 ℃;

(2) drying honey, opening a second vacuum interface 18 of the condensation cooler 17, vacuumizing the condensation cooler 17, the evaporation cavity 13 and the heating cavity 8 by using a vacuum pump, opening a condensate water valve 19, a condensate cooling water outlet 22 and a condensate cooling water inlet 23, opening a material inlet and outlet 9 to introduce the honey raw material to be dried when the vacuum degree of the evaporation cavity 13 is-0.098 MPa, heating the honey entering a heating tube array and the moisture in the honey to vaporize and rise rapidly under the high vacuum environment, and spraying the honey and the moisture to the evaporation cavity 13 through a pipeline;

(3) condensing and cooling, pumping the water vapor which rotates and rises into a condensing cooler 17 by a vacuum pump, collecting the condensed water in a liquid accumulation tank 21 at the bottom end of the condensing cooler 17, and opening a centrifugal pump to pump out from a liquid outlet 20 after accumulating a large amount in the liquid accumulation tank 21;

(4) discharging and circulating, the dehydrated honey rotates along the side wall of the evaporation cavity 13 and falls to a material accumulation area at the bottom of the evaporation cavity 13 and is conveyed by a forced circulation pump 12 along a pipeline at the bottom of the evaporation cavity 13, the value of the on-line detector 10 is set to be 20% of water content, when the on-line detector 10 detects that the water content of the passed honey is less than the set value of 20% of water content, the linkage one-way valve 16 is closed, the linkage material outlet 11 is opened, qualified dehydrated honey is discharged from the linkage material outlet 11, and the discharged qualified honey is packaged and stored after being mixed and homogenized; when the online detector 10 detects that the water content of the passing honey is greater than the water content of 20% of the set value, the linkage material outlet 11 is closed, the linkage one-way valve 16 is opened, the honey which is unqualified in dehydration returns to the heating cavity 08 through the linkage one-way valve 16 to be continuously heated and dehydrated until the water content of the honey is less than 20% of the set value, and therefore the honey drying is completed.

The second concrete implementation: referring to the attached drawings, a honey drying method comprises the following steps:

(1) preparing low-temperature steam, vacuumizing a tube pass cavity of a reboiler 1 from a first vacuum interface 3 by using a vacuum pump, injecting heat medium pure water from a heat medium inlet and outlet 6 at the bottom until the reboiler 1 is full of water, closing the heat medium inlet and outlet 6, opening a heat medium reflux valve 7, closing a first vacuum interface 3 valve when the vacuum reaches-0.098 MPa, and setting the temperature of a temperature control sensor 2 to be 40 ℃;

(2) drying honey, opening a second vacuum interface 18 of the condensation cooler 17, vacuumizing the condensation cooler 17, the evaporation cavity 13 and the heating cavity 8 by using a vacuum pump, opening a condensate water valve 19, a condensate cooling water outlet 22 and a condensate cooling water inlet 23, opening a material inlet 9 and introducing honey raw materials to be dried when the vacuum degree of the evaporation cavity 13 is-0.099 MPa, heating the honey entering a heating tube array and the moisture in the honey to vaporize and rise rapidly under the high-vacuum environment, and spraying the honey and the moisture in the honey to the evaporation cavity 13 through a pipeline;

(3) condensing and cooling, pumping the water vapor which rotates and rises into a condensing cooler 17 by a vacuum pump, collecting the condensed water in a liquid accumulation tank 21 at the bottom end of the condensing cooler 17, and opening a centrifugal pump to pump out from a liquid outlet 20 after accumulating a large amount in the liquid accumulation tank 21;

(4) discharging and circulating, the dehydrated honey rotates along the side wall of the evaporation cavity 13 and falls to a material accumulation area at the bottom of the evaporation cavity 13 and is conveyed by a forced circulation pump 12 along a pipeline at the bottom of the evaporation cavity 13, the value of the on-line detector 10 is set to be 18 percent of water content, when the on-line detector 10 detects that the passing honey water content is less than the water content of 18 percent of the set value, the linkage one-way valve 16 is closed and the linkage material outlet 11 is opened, the qualified dehydrated honey is discharged from the linkage material outlet 11, the discharged qualified honey is packaged and warehoused after being mixed and homogenized, when the on-line detector 10 detects that the passing honey water content is more than 18 percent of the set value, the linkage material outlet 11 is closed and the linkage one-way valve 16 is opened, the unqualified honey returns to the heating cavity 8 through the linkage one-way valve 16 to be continuously heated and dehydrated until the water content of the honey is less than 18 percent of the set value, thereby completing the drying of the honey.

The invention relates to a method for drying honey, which contains more components such as glucose, fructose and water, and real nutritional components such as a small amount of bioactive components, wherein the bioactive components are easy to denature and inactivate by contacting high temperature, and the honey is fermented by overhigh water content, so that the honey is changed in gas, acid and mildew to deteriorate. The invention relates to a honey drying method, which comprises the steps of enabling honey raw materials with excessive water content to enter a heating cavity from the bottom of the heating cavity, carrying out heat exchange with low-temperature steam or low-temperature heating medium through a tube array, thereby avoiding the inactivation of active ingredients due to the contact with a high-temperature heating surface, continuously obtaining water-containing honey with vaporization heat energy, flushing the water-containing honey into an evaporation cavity through a pipeline for vaporization, enabling water molecules to enter a condensation cooler through a pipeline after vaporization and rise, enabling the water-lost honey to sink to the bottom of the evaporation cavity, directly influencing the rise and ejection of the honey in the heat exchange tube array due to high viscosity of the honey and intensified viscosity of the water-lost honey, arranging a forced circulation pump on a connecting pipeline of the evaporation cavity to the heating cavity, an on-line detector, a material outlet and a one-way valve which are linked with the on-line detector, and discharging the honey from the material outlet when the on-line detector detects that the water content of the honey is qualified, when the online detector detects that the water content of the honey is unqualified, the one-way valve is opened, the honey enters the heating cavity again to be heated, and then enters the evaporation cavity to be evaporated, so that the water content of the honey is ensured to be qualified. The invention adopts low-temperature steam or low-temperature heating medium to provide vaporization heat, uses an online detector to be matched with a forced circulation pump to perform discharging, liquid rising heating again and auxiliary ejection evaporation, thus avoiding the loss of the nutritional value of honey products caused by contact high-temperature inactivation of active ingredients in honey, and adopting internal circulation continuous heating evaporation to reduce energy consumption and labor consumption.