阅读说明：本技术 一种天然海水温室内滩晒食用盐的方法 (Method for solarizing edible salt in natural seawater greenhouse ) 是由 郭联 刘景柱 于 2021-06-28 设计创作，主要内容包括：本发明提供了一种天然海水温室内滩晒食用盐的方法,以天然海水为原料,在玻璃温室棚内经过以下步骤滩晒食用盐,1)自然沉淀,分离出固体悬浮物杂质；2)过滤净化；3)再次沉淀；4)自缓冲池自流对结晶池进行灌池；5)结晶；6)收盐、控淋7)筛分、包装；温室棚的南墙和侧墙由玻璃制成,南侧玻璃墙呈倾斜设置,左右侧玻璃墙上安装通风孔,温室棚顶后端安装双曲线结构的烟囱,烟囱内径最小处安装风扇,风扇通过直杆连接发电机,在烟囱顶部设置冷却器,冷却器底部向烟囱外部延伸出导流管。本方法成本低,不受自然环境影响,结晶效率高,结晶周期短,该技术所生产出的产品纯度高、色泽白、不结块,绿色无添加。(The invention provides a method for solarizing edible salt in a natural seawater greenhouse, which comprises the following steps of solarizing edible salt in a glass greenhouse shed by taking natural seawater as a raw material, and 1) naturally precipitating to separate solid suspended substance impurities; 2) filtering and purifying; 3) precipitating again; 4) filling the crystallization tank with self-flow from the buffer tank; 5) crystallizing; 6) salt collection, controlled leaching 7) screening and packaging; the south wall and the side wall of greenhouse canopy are made by glass, and south side glass wall is the slope setting, and the side glass wall installation ventilation hole about, installs hyperbolic structure's chimney in the greenhouse shed roof rear end, and the minimum department of chimney internal diameter installs the fan, and the fan passes through the straight-bar connection generator, sets up the cooler at the chimney top, and the honeycomb duct is extended to the chimney outside to the cooler bottom. The method has the advantages of low cost, no influence of natural environment, high crystallization efficiency and short crystallization period, and the product produced by the technology has high purity, white color, no agglomeration and no addition.)

1. A method for solarizing edible salt in a natural seawater greenhouse, which takes natural seawater as a raw material and solarizes edible salt in a glass greenhouse shed, is characterized in that: the greenhouse shed is characterized in that the south wall and the side walls of the greenhouse shed are made of glass, the glass walls on the south side and the left side are obliquely arranged, the left glass wall and the right glass wall are provided with air vents which are oppositely arranged, the rear end of the top of the greenhouse shed is provided with a chimney with a hyperbolic structure, the position with the minimum inner diameter of the chimney is provided with a fan, the fan is connected with a generator through a straight rod, the top of the chimney is provided with a cooler, and the bottom of the cooler extends out of a flow guide pipe to the outside of the chimney;

comprises the following steps of solarization: 1) naturally precipitating to separate out solid suspended matter impurities;

2) purifying by using a cloth bag filter;

3) inputting the raw material brine after purification treatment into a brine buffer tank for secondary precipitation;

4) filling the crystallization tank with self-flow from the buffer tank;

5) crystallizing;

6) collecting salt, loading into a leaching control box, and placing on a movable bracket to control leaching brine;

7) and (5) intensively placing the products in a clean area for air drying, screening and packaging.

2. The method for tedding edible salt in a natural seawater greenhouse as claimed in claim 1, wherein the method comprises the following steps: the number of the vent holes is determined according to the area of the greenhouse, and the size of the vent holes is adjustable.

3. The method for tedding edible salt in a natural seawater greenhouse as claimed in claim 1, wherein the method comprises the following steps: the cooler comprises toper metal sheet and cooling plate, and the cooling plate is the radiator structure, comprises the annular tube and the conducting strip that lead to cold water, and the annular tube wears the conducting strip together, and the conducting strip inboard is welded on the toper metal sheet.

4. The method for tedding edible salt in a natural seawater greenhouse as claimed in claim 3, wherein the method comprises the following steps: the generator is located inside the tapered metal plate.

5. The method for preparing the natural seawater beach edible salt by the greenhouse technology as claimed in claim 1, which is characterized in that: the crystallizing pond is arranged at a position close to the south side glass wall.

6. The method for preparing the natural seawater beach edible salt by the greenhouse technology as claimed in claim 1, which is characterized in that: the vent was adjusted to a maximum during crystallization.

Technical Field

The invention relates to the technical field of table salt solarization, in particular to a method for solarizing table salt in a natural seawater greenhouse.

Background

With the gradual improvement of the living standard of people in China, salt is taken as the first seasoning, and the high-end edible salt market is quietly prosperous. At present, in China, enterprises which take seawater as a raw material and produce the table salt by using the traditional process mainly rely on sunlight to evaporate the seawater in various levels of ponds so as to gradually increase the salinity of the seawater, and the seawater is crystallized into the sea salt when the salinity is saturated. The sea salt process method mainly depends on sunlight irradiation to remove the water content in the brine, has low operation efficiency, occupies large tidal flat area, is easily influenced by natural precipitation loss, atmospheric dust fall, windy and sandy days, biological excrement and the like, and has low production benefit.

Disclosure of Invention

The technical problem to be solved by the invention is a method for solarizing edible salt in natural green seawater, which can avoid the influence of natural environment on solarization of edible salt in the beach, can improve the efficiency of solarizing the edible salt in the beach, obtain a product meeting the market demand of high-end salt products, and meet the demand of common people on green products without adding salt.

Based on the problems, the technical scheme provided by the invention is a method for solarizing edible salt in a natural seawater greenhouse, wherein natural seawater is used as a raw material, the edible salt is solarized in a glass greenhouse shed, the south wall and the side walls of the greenhouse shed are made of glass, the south side glass walls are obliquely arranged to receive the irradiation of sunlight in the largest area, and the left side glass walls and the right side glass walls are provided with oppositely arranged ventilation holes to form convection, so that the air flow speed is increased, the water vapor content in the greenhouse is favorably reduced, a certain air pressure can be applied to a crystallization tank, and the crystallization speed is increased; the chimney with a hyperbolic structure is arranged at the rear end of the greenhouse roof to improve the ventilation efficiency, hot air containing water vapor quickly rises, the concentration of the water vapor in the room can be quickly reduced, and the evaporation is accelerated; a fan is arranged at the position with the minimum inner diameter of the chimney and is connected with a generator through a straight rod, the mixed gas flow speed at the position with the minimum inner diameter of the hyperbolic chimney is the maximum, a fan impeller is arranged at the position, and then the fan impeller is connected with the generator to generate electricity; the cooler is arranged at the top of the chimney, so that the heat release efficiency of the steam is improved, the liquefaction is accelerated, and the diversion pipe extends from the bottom of the cooler to the outside of the chimney.

Comprises the following steps of solarization: 1) naturally precipitating to separate out solid suspended matter impurities;

2) purifying by using a cloth bag filter;

3) inputting the raw material brine after purification treatment into a brine buffer tank for secondary precipitation;

4) filling the crystallization tank with self-flow from the buffer tank;

5) crystallizing;

6) collecting salt, loading into a spray control box, placing on a movable support, and controlling the spraying of brine

7) And (5) intensively placing the products in a clean area for air drying, screening and packaging.

Wherein, the quantity of the ventilation holes is determined according to the area of the greenhouse, and the sizes of the ventilation holes are adjustable.

The cooler is composed of a conical metal plate and a cooling plate, the cooling plate is of a radiator structure and is composed of a ring-shaped pipe and a heat conducting fin, the heat conducting fin is penetrated together by the ring-shaped pipe, and the inner side of the heat conducting fin is welded on the conical metal plate.

Furthermore, the generator is positioned in the conical metal plate, condensed water flows downwards, and the conical metal plate is equivalent to a protective cover of the generator and prevents steam from corroding the generator.

Wherein, the crystallizer sets up and locates being close to south side glass wall position, is convenient for receive sunshine for a long time and shines, increase evaporation and crystallization efficiency, and simultaneously, glass can block bottom surface radiant energy to the greenhouse outside, effectively raises the indoor temperature of high temperature.

Wherein the vent is maximized during the crystallization process.

The invention has the advantages and beneficial effects that:

the method combines the greenhouse technology with the traditional process, has low cost and no environmental pollution, the roof, the gable vertical surface and the side wall vertical surface of the glass greenhouse have long illumination receiving time and high light transmittance, one part of solar energy is used for vaporizing water, the other part of solar energy raises the indoor temperature to promote air and steam to flow to form wind energy, the wind energy can be used for generating electricity for the greenhouse, the indoor air flow is increased due to the arrangement of the chimney and the vent holes, the crystallization efficiency is improved, and the crystallization period is shortened; the product produced by the technology has high purity, white color, single crystal cubic crystal and good fluidity, can achieve the effect of no caking after long-term storage without adding a bulking agent, and meets the requirements of common people on green products without adding salt.

Drawings

Fig. 1 is a schematic view of the structure of a greenhouse shed of the present invention.

Wherein: 1. a glass wall; 2. a vent hole; 3. a chimney; 4. a fan; 5. a cooler; 51. a tapered metal plate; 52. a heat conductive sheet; 53. an annular tube; 6. a generator; 7. and a flow guide pipe.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings and examples.

Embodiment 1 a method for solarizing edible salt in a natural seawater greenhouse, using natural seawater as a raw material, solarizing edible salt in a glass greenhouse shed, as shown in fig. 1, a south wall and side walls of the greenhouse shed are made of glass, the south side glass wall 1 is obliquely arranged, ventilation holes 2 which are oppositely arranged are installed on the left side glass wall 1 and the right side glass wall 1, the number of the ventilation holes 2 is determined according to the area of the greenhouse, and the size of the ventilation holes 2 is adjustable. The chimney 3 of hyperbolic structure is installed to greenhouse shed roof rear end, 3 internal diameter minimum departments of chimney install fan 4, fan 4 passes through the straight-bar connection generator 6, set up cooler 5 at 3 tops of chimney, cooler 5 comprises toper metal sheet 51 and cooling plate, the cooling plate is the radiator structure, constitute by the annular tube 53 and the conducting strip 52 that lead to cold water, annular tube 53 wears conducting strip 52 together, the inboard welding of conducting strip 52 is on toper metal sheet 51, 5 bottoms of cooler extend honeycomb duct 7 to 3 outsides of chimney.

Comprises the following steps of solarization: 1) naturally precipitating to separate out solid suspended matter impurities;

2) purifying by using a cloth bag filter;

3) inputting the raw material brine after purification treatment into a brine buffer tank for secondary precipitation;

4) filling the crystallization tank with self-flow from the buffer tank;

5) crystallizing;

6) collecting salt, loading into a spray control box, placing on a movable support, and controlling the spraying of brine

7) And (5) intensively placing the products in a clean area for air drying, screening and packaging.

Wherein, the crystallizing pond sets up and is being close to south side glass wall 1 position department, in the crystallization process, will ventilation hole 2 transfers to the biggest.

The product produced by the technology has high purity, white color, single crystal cubic crystal and good fluidity, and can achieve the effect of long-term storage without caking without adding bulking agent.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.