CN203498388U - Device for increasing carbon dioxide utilization rate in microalgae cultivation - Google Patents

Abstract

Translated fromChinese

本实用新型涉及一种提高微藻养殖中二氧化碳利用率的装置，养殖池的内部设置气体密封罩，气体密封罩的底端开口，且与养殖池池底间隔设置，气体密封罩顶端端面分别制有气体入口和排气阀，气体密封罩的气体入口通过供气管路连接二氧化碳储气罐，供气管路上设置压力表，养殖池内部还设置一气液混合装置，气液混合装置处于气体密封罩罩体内部且液面以下的位置。本装置增加了气液混合装置，通过二氧化碳气体的循环溶解，可有效地增加微藻养殖藻液中二氧化碳的吸收含量和溶解速度，并对升腾的未溶解的气体进行收集循环溶解，可以极大提高气体的利用效率，降低微藻的养殖成本，不会对环境造成不良影响。

The utility model relates to a device for improving the utilization rate of carbon dioxide in microalgae cultivation. A gas sealing cover is arranged inside the cultivation pond, the bottom end of the gas sealing cover is open, and is arranged at intervals from the bottom of the cultivation pond. There is a gas inlet and an exhaust valve. The gas inlet of the gas sealing cover is connected to the carbon dioxide gas storage tank through the gas supply pipeline. A pressure gauge is installed on the gas supply pipeline. A gas-liquid mixing device is also installed inside the breeding pond. The gas-liquid mixing device is located in the gas sealing cover. The position inside the body and below the liquid level. This device adds a gas-liquid mixing device, through the circulation and dissolution of carbon dioxide gas, it can effectively increase the absorption content and dissolution rate of carbon dioxide in the algae liquid for microalgae cultivation, and collect and circulate the rising undissolved gas, which can be greatly improved. Improve gas utilization efficiency, reduce the cost of microalgae cultivation, and will not cause adverse effects on the environment.

Description

Translated fromChinese

一种提高微藻养殖中二氧化碳利用率的装置A device for improving the utilization rate of carbon dioxide in microalgae cultivation

技术领域technical field

本实用新型属于微藻养殖技术领域，涉及循环释放装置，尤其是一种提高微藻养殖中二氧化碳利用率的装置。The utility model belongs to the technical field of microalgae cultivation, and relates to a circulation release device, in particular to a device for improving the utilization rate of carbon dioxide in microalgae cultivation.

背景技术Background technique

微藻是自养微生物，以二氧化碳为碳源进行生长繁殖。微藻的生产对人类的生活有诸多益处。微藻种类繁多，细胞中含有蛋白质、脂类物质、多糖等多种营养成分，已成为人类保健类食品和相关工业原料的重要来源，在医药、食品、动物饲料、生物技术及可再生能源方面拥有巨大的现实和潜在价值。Microalgae are autotrophic microorganisms that use carbon dioxide as a carbon source for growth and reproduction. The production of microalgae has many benefits for human life. There are many kinds of microalgae, and the cells contain protein, lipids, polysaccharides and other nutrients. They have become an important source of human health food and related industrial raw materials. They are used in medicine, food, animal feed, biotechnology and renewable energy. Has great actual and potential value.

传统的微藻生产工艺，尤其是螺旋藻的生产靠大量的小苏打提供碳源，而近些年随着工艺的改进，逐渐采用利用二氧化碳为微藻的工业生产提供碳源，但由于采取直接向养殖池中通入二氧化碳，造成二氧化碳的利用率不高，造成巨大浪费，不仅浪费资金，还造成了大量二氧化碳再次进入大气中，对环境不利。The traditional microalgae production process, especially the production of spirulina, relies on a large amount of baking soda to provide carbon sources. In recent years, with the improvement of the process, carbon dioxide has gradually been used to provide carbon sources for the industrial production of microalgae. However, due to the direct Introducing carbon dioxide into the culture pond will result in a low utilization rate of carbon dioxide, resulting in huge waste, not only a waste of money, but also causing a large amount of carbon dioxide to enter the atmosphere again, which is not good for the environment.

通过专利检索发现，近些年有多篇关于提高二氧化碳利用率的装置，但是这些装置有些安装复杂，成本较高，实用性不强，有些是为提高封闭式光生物反应器而设计的，比较有代表性的介绍如下：Through patent retrieval, it is found that in recent years, there have been many articles about devices for improving the utilization rate of carbon dioxide, but some of these devices are complicated to install, costly, and not practical, and some are designed to improve closed photobioreactors. A representative introduction is as follows:

1、一种池养螺旋藻二氧化碳气体循环释放装置（CN201132831），它在螺旋藻养殖池壁与隔离壁之间设置有二氧化碳气体循环释放装置，该装置是在养殖池底部设置一个下凹的气体释放池，池的中间部位设有一个引流挡板，池底部设有二氧化碳气体释放管，释放管通过输气支管与输气总管连通，与气体释放池对应的上部装有气体收集罩，收集罩的顶部通过收集管与集输管连通，集输管通过输气管道与增压器的进气口连接，增压器的输出端与输气总管连通。1. A carbon dioxide gas cycle release device for pond-cultured spirulina (CN201132831), which is provided with a carbon dioxide gas cycle release device between the wall of the spirulina culture pond and the partition wall. In the release pool, there is a drainage baffle in the middle of the pool, and a carbon dioxide gas release pipe is provided at the bottom of the pool. The top of the tank is communicated with the collecting pipe through the collecting pipe, the collecting pipe is connected with the air inlet of the supercharger through the gas pipeline, and the output end of the supercharger is connected with the gas main pipe.

本申请与上述专利相比增加了气液混合装置与压力控制装置，而未采用凹的气体释放槽，亦未设置引流挡板装置。Compared with the above-mentioned patents, the present application adds a gas-liquid mixing device and a pressure control device, but does not adopt a concave gas release groove, nor is a drainage baffle device arranged.

2、一种藻类养殖池微孔管充CO2与充量监控系统（102268368A），包括养殖池1、水车转轮2、集气罩3、二氧化碳供气管4、微孔管5、PH值采样头6、池水隔断7、池水8、电磁阀9、控制器10，二氧化碳供气管4的一端置于养殖池1外并与电磁阀9的出口联通固结，二氧化碳供气管4靠养殖池1的池底布置，1～20根微孔管5的一端在池底分别平行地相距2m～30m与二氧化碳供气管4联通固结，微孔管5的另一端封闭；池水隔断7把养殖池1纵分为两半，池水隔断7两端都与养殖池横壁面隔有1～10m的距离，水车转轮2一端安置在养殖池1的一侧纵壁中部上，水车转轮2的另一端横跨养殖池1并固定在池水隔断7的中部，可以在养殖池水面上转动；在每一根微孔管5上方的池水面上都罩有一个集气罩3，集气罩3的长度与微孔管5的长度相当，集气罩3的宽0.5～5m；养殖池1的池水8面上、在两个集气罩3间布置一个PH值采样头6，控制器10的讯号输入端与各PH值采样头6联结，控制器的讯号输出端与电磁阀9联结。2. A microporous pipe CO2 filling and charging monitoring system for an algae culture pond (102268368A), including aculture pond 1, awaterwheel runner 2, agas collection hood 3, a carbon dioxidegas supply pipe 4, amicroporous pipe 5, and pH value sampling Head 6,pool water partition 7,pool water 8,electromagnetic valve 9,controller 10, one end of the carbon dioxidegas supply pipe 4 is placed outside theculture pond 1 and connected with the outlet of thesolenoid valve 9 for solidification, and the carbon dioxidegas supply pipe 4 is connected to the rear of theculture pond 1 Arranged at the bottom of the pool, one end of 1 to 20microporous tubes 5 is connected and consolidated with the carbon dioxidegas supply tube 4 at a distance of 2m to 30m in parallel at the bottom of the pool, and the other end of themicroporous tube 5 is closed; Divided into two halves, the two ends of thepool water partition 7 are separated from the transverse wall of the culture pond by a distance of 1 to 10 m, and one end of thewaterwheel runner 2 is placed on the middle part of the side longitudinal wall of theculture pond 1, and the other end of thewaterwheel runner 2 One end spans theculture pond 1 and is fixed on the middle part of thepool water partition 7, and can rotate on the water surface of the culture pond; agas collection hood 3 is covered on the water surface of the pond above eachmicroporous tube 5, and thegas collection hood 3 The length is equivalent to the length of themicroporous tube 5, and the width of thegas collecting hood 3 is 0.5 to 5 m; on the surface of thewater 8 of theculture pond 1, a PH value sampling head 6 is arranged between the twogas collecting hoods 3, and the signal of thecontroller 10 The input end is connected with each pH value sampling head 6, and the signal output end of the controller is connected with thesolenoid valve 9.

本申请与上述专利相比，本申请采用增加了气液混合装置，该混合装置可以简单的为养鱼池中增氧装置，亦可自行设计，更加方便实用，成本较低。Compared with the above-mentioned patents, the present application adopts a gas-liquid mixing device, which can be simply an aeration device in a fish pond, or can be designed by itself, which is more convenient and practical, and has a lower cost.

实用新型内容Utility model content

本实用新型的目的是提供一种气体循环充分、方便实用、成本较低、结构简单，实用性强的提高微藻养殖中二氧化碳利用率的装置。The purpose of the utility model is to provide a device for improving the utilization rate of carbon dioxide in microalgae cultivation, which is sufficient in gas circulation, convenient and practical, low in cost, simple in structure and strong in practicability.

本实用新型的解决技术问题的方案如下：The solution to the technical problem of the utility model is as follows:

一种提高微藻养殖中二氧化碳利用率的装置，其特征在于：包括养殖池、气体密封罩、气液混合装置、二氧化碳储气罐、压力表，养殖池内灌注培养液，养殖池的内部设置气体密封罩，气体密封罩的底端开口与养殖池池底间隔设置，开口端伸入培养液液面以下，气体密封罩顶端端面通过供气管路连接二氧化碳储气罐，气体密封罩顶端端面安装排气阀，气体密封罩下端的养殖池底部设置一气液混合装置，气液混合装置处于气体密封罩罩体内部培养液液面以下的位置，气液混合装置的进水口末端向下伸出气体密封罩以外，气液混合装置的进气口向上伸出气体密封罩内部的液面以上，气液混合装置的出水口末端在气体密封罩内部液面以下。A device for improving the utilization rate of carbon dioxide in microalgae cultivation, characterized in that it includes a culture pond, a gas sealing cover, a gas-liquid mixing device, a carbon dioxide gas storage tank, a pressure gauge, the cultivation pond is perfused with a culture solution, and the interior of the cultivation pond is provided with a gas Sealing cover, the bottom opening of the gas sealing cover is spaced from the bottom of the culture pond, the opening end extends below the liquid level of the culture solution, the top end of the gas sealing cover is connected to the carbon dioxide gas storage tank through the gas supply pipeline, and the top end of the gas sealing cover is installed with a drain Gas valve, a gas-liquid mixing device is installed at the bottom of the culture tank at the lower end of the gas-tight cover. The gas-liquid mixing device is located below the liquid level of the culture liquid inside the gas-tight cover body, and the end of the gas-liquid mixing device extends downward from the gas seal Outside the cover, the air inlet of the gas-liquid mixing device protrudes upwards above the liquid level inside the gas-tight cover, and the end of the water outlet of the gas-liquid mixing device is below the liquid level inside the gas-tight cover.

而且，在养殖池内部的一侧安装搅拌桨。Moreover, a stirring paddle is installed on one side inside the culture pond.

而且，所述供气管路上设置压力表。Moreover, a pressure gauge is set on the gas supply pipeline.

本实用新型的有点和积极效果如下：Some advantages and positive effects of the present utility model are as follows:

1、本装置增加了气液混合装置，通过二氧化碳气体的循环溶解，可有效地增加微藻养殖藻液中二氧化碳的吸收含量和溶解速度，并对升腾的未溶解的气体进行收集循环溶解，可以极大提高气体的利用效率，降低微藻的养殖成本，不会对环境造成不良影响。1. This device adds a gas-liquid mixing device. Through the circulation and dissolution of carbon dioxide gas, it can effectively increase the absorption content and dissolution rate of carbon dioxide in the algae liquid for microalgae cultivation, and collect and circulate the rising undissolved gas, which can Greatly improve the utilization efficiency of gas, reduce the cost of microalgae cultivation, and will not cause adverse effects on the environment.

2、本装置中使用压力表，能有有效控制密封罩内的压力，一方面可以增加池体内水的二氧化碳溶解压力，另一方面还可以及时调节密封罩的受力，减少危险。2. The pressure gauge used in this device can effectively control the pressure in the sealing cover. On the one hand, it can increase the carbon dioxide dissolution pressure of the water in the pool, and on the other hand, it can also adjust the force of the sealing cover in time to reduce the risk.

3、本装置中使用的混合装置即为养鱼池中增氧装置，可购买、也可自行设计，有效节约成本。3. The mixing device used in this device is the aeration device in the fish pond, which can be purchased or designed by yourself, which can effectively save costs.

4、本装置主要的设备均为常规设备，无特殊密封或压力要求，运行条件平和、无高温、高压反应，具有结构简单，实用性强等优点。4. The main equipment of this device is conventional equipment, without special sealing or pressure requirements, with peaceful operating conditions, no high temperature and high pressure reaction, simple structure and strong practicability.

附图说明Description of drawings

图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.

具体实施方式Detailed ways

下面结合实施例对本实用新型作进一步的说明，但本实用新型要求保护的范围并不局限于实施例表达的范围。任何谙熟相关技艺者，在不脱离本实用新型的精神和范围内，当可略加改动与润饰。因此，本实用新型的专利保护范围视本说明书所附的申请专利范围所界定的为准。The utility model will be further described below in conjunction with the examples, but the protection scope of the utility model is not limited to the range expressed in the examples. Anyone who is familiar with the related art can make slight changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the patent protection scope of the present utility model depends on what is defined in the scope of patent application attached to this specification.

本应用新型实例所给出的气体循环释放装置，是用以提高微藻养殖过程中二氧化碳气体利用率的装置，具体参看图1。The gas circulation release device given in this application example is a device used to improve the utilization rate of carbon dioxide gas in the microalgae cultivation process, see Figure 1 for details.

一种提高微藻养殖中二氧化碳利用率的装置，包括养殖池1、气体密封罩2、气液混合装置9、二氧化碳储气罐6、压力表5，养殖池内灌注培养液，养殖池的内部底面通过支架安装一方形或圆形气体密封罩，气体密封罩的底端开口且与养殖池池底间隔设置，开口端伸入培养液液面以下，气体密封罩顶端端面分别制有二氧化碳气体入口和排气阀4，气体密封罩的气体入口通过供气管路3连接二氧化碳储气罐，供气管路上设置压力表，养殖池内底面上通过支架安装有一气液混合装置，气液混合装置处于气体密封罩罩体内部且液面以下的位置，气液混合装置的进水口10末端向下伸出气体密封罩以外，气液混合装置的出水口7末端在气体密封罩内部液面以下，气液混合装置的进气口8向上伸出气体密封罩内部的液面以上。A device for improving the utilization rate of carbon dioxide in microalgae cultivation, comprising aculture pond 1, agas sealing cover 2, a gas-liquid mixing device 9, a carbon dioxide gas storage tank 6, and apressure gauge 5, the cultivation pond is filled with a culture solution, and the inner bottom surface of the cultivation pond is Install a square or circular gas sealing cover through the bracket. The bottom end of the gas sealing cover is open and spaced from the bottom of the culture pond. The opening end extends below the liquid level of the culture solution.Exhaust valve 4, the gas inlet of the gas sealing cover is connected to the carbon dioxide gas storage tank through thegas supply pipeline 3, a pressure gauge is arranged on the gas supply pipeline, and a gas-liquid mixing device is installed on the bottom surface of the culture pond through a bracket, and the gas-liquid mixing device is located in the gas sealing cover Inside the cover and below the liquid level, the end of thewater inlet 10 of the gas-liquid mixing device extends downwards beyond the gas-tight cover, and the end of thewater outlet 7 of the gas-liquid mixing device is below the liquid level inside the gas-tight cover, and the gas-liquid mixing device Theair inlet 8 stretches upwards above the liquid level inside the gas-tight cover.

气体密封罩内注入气体，通过气液混合装置使气体和吸入的藻液被快速旋转的搅拌桨迅速混合后向外喷射，气体被打成小气泡，一部分气体溶解在藻液中，未溶解的气体向上升腾至密封罩内。Gas is injected into the gas-tight cover, and the gas and the inhaled algae liquid are quickly mixed by the fast-rotating stirring paddle through the gas-liquid mixing device and then sprayed outward. The gas is broken into small bubbles, and part of the gas is dissolved in the algae liquid. The gas rises upward into the sealed enclosure.

为了提高二氧化碳利用率的装置置于养殖池中，在养殖池的一侧设有搅拌桨（图中未示出），在搅拌桨起作用下，养殖池内藻液可不停的循环流动。In order to improve the utilization rate of carbon dioxide, the device is placed in the culture pond, and a stirring paddle (not shown in the figure) is arranged on one side of the culture pond. Under the action of the stirring paddle, the algae liquid in the culture pond can circulate continuously.

本装置中使用的混合装置即为养鱼池中增氧装置，作用是将液体与气体充分混合，混合后排出即可。The mixing device used in this device is the aeration device in the fish pond, and its function is to fully mix the liquid and the gas, and then discharge it after mixing.

本装置适于工业生产大池养殖的螺旋藻，小球藻、盐藻、发状念珠藻、金藻、新月菱形藻等微藻。The device is suitable for the industrial production of microalgae such as spirulina, chlorella, salina, nostoc hairiform, golden algae, and rhizome such as spirulina cultured in large ponds.

本装置的运行说明如下：The operation of this device is described as follows:

气液混合装置进水口从气体密封罩下部吸入密封罩外部的培养液并同时通过气液混合装置进气口从气体密封罩中吸入二氧化碳，从而将其在气液混合装置中混合，混合后的气液混合液通过气液混合装置出水口向气体密封罩中喷射出，这样一部分气体溶解在了密封罩的藻液中，未溶解的气体则升腾至气体密封罩内，二氧化碳气体不断通过此循环溶解。此外，通过二氧化碳储气罐及供气管道不断向气体密封罩内通入气体。此外，通过压力表控制气体密封罩中的气体不溢出密封罩，使之保持相对稳定不变，每天打开排气阀一次，排出密封罩内藻光合作用产生的氧气。The water inlet of the gas-liquid mixing device sucks the culture solution outside the sealed cover from the lower part of the gas-liquid mixing device, and at the same time sucks carbon dioxide from the gas-tight cover through the air inlet of the gas-liquid mixing device, so that it is mixed in the gas-liquid mixing device, and the mixed The gas-liquid mixture is sprayed out into the gas-tight enclosure through the water outlet of the gas-liquid mixing device, so that part of the gas dissolves in the algae liquid in the seal enclosure, and the undissolved gas rises into the gas-tight enclosure, and carbon dioxide gas continuously passes through this cycle. dissolve. In addition, gas is continuously fed into the gas-tight cover through the carbon dioxide gas storage tank and the gas supply pipeline. In addition, the gas in the airtight enclosure is controlled by a pressure gauge so that it does not overflow the enclosure so that it remains relatively stable, and the exhaust valve is opened once a day to discharge the oxygen produced by photosynthesis of algae in the enclosure.

Claims (3)

1. a device that improves utilization rate of carbon dioxide in both culturing microalgae, it is characterized in that: comprise culturing pool, air seal cover, Liqiud-gas mixing device, carbonic acid gas gas-holder, tensimeter, perfusion culture liquid in culturing pool, the inside of culturing pool arranges air seal cover, at the bottom of the bottom end opening of air seal cover and culturing pool pond, interval arranges, opening end stretches into below nutrient solution liquid level, air seal cover top end face connects carbonic acid gas gas-holder by supply air line, air seal cover top end face is installed vent valve, the culturing pool bottom of air seal cover lower end arranges a Liqiud-gas mixing device, the position of Liqiud-gas mixing device below the inner nutrient solution liquid level of air seal cover cover body, the water-in end of Liqiud-gas mixing device stretches out downwards beyond air seal cover, more than the inlet mouth of Liqiud-gas mixing device protrudes upward the liquid level of air seal cover inside, the water outlet end of Liqiud-gas mixing device is below the inner liquid level of air seal cover.

2. the device of utilization rate of carbon dioxide in raising both culturing microalgae according to claim 1, is characterized in that: the side in culturing pool inside is installed stirring rake.

3. the device of utilization rate of carbon dioxide in raising both culturing microalgae according to claim 1, is characterized in that: on described supply air line, tensimeter is set.

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