Microalgae and anaerobic fermentation integrated biomass energy production circulation system

Abstract

The utility model discloses a microalgae and anaerobic fermentation integrated biomass energy production circulating system which comprises an IC anaerobic tower reaction generator, a circulating water tank, a T-shaped pipeline, a circulating water pump, a main pipeline, a microalgae collecting port and a microalgae circulating incubator, and the IC anaerobic tower reaction generator is connected with the circulating water tank; the T-shaped pipeline is connected with the circulating water tank; a microalgae collecting opening is formed in one end of the T-shaped pipeline, and the other end of the T-shaped pipeline is connected with the main pipeline through a circulating water pump; a water inlet of the microalgae circulating incubator is connected with the main pipeline, and a water outlet is connected with the circulating water tank. According to the utility model, the effects of wastewater purification and biomass energy production are realized through organic combination of all the devices, anaerobic fermentation treatment is carried out through the IC anaerobic tower reaction generator, and liquid generated by anaerobic fermentation is purified through microalgae in the microalgae circulation culture device; finally, the purposes of efficiently treating high-organic-concentration wastewater and obtaining energy and biological products with high additional values are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wastewater treatment technical field, especially relate to a microalgae and anaerobic fermentation integrated biomass energy production circulation system. BACKGROUND

[0002] Molasses vinasse (MV) is a kind of high-concentration organic wastewater produced in the process of producing alcohol by microbial fermentation with molasses as raw material.As a kind of alcohol wastewater rich in organic matter, it not only has an impact on alcohol industry, agriculture, animal husbandry and fishery, but also aggravates environmental pollution.Therefore, the treatment of molasses vinasse has become a difficult problem to be solved.Microalgae, as a kind of efficient wastewater treatment organism, has great application prospect in wastewater and waste gas treatment due to its short growth cycle, simple cell structure, high CO2 fixation efficiency and rich oil content.Using the physiological characteristics of microalgae for wastewater treatment can not only avoid secondary pollution, but also improve the atmospheric environment while purifying water quality, and obtain high-value energy and biological products.The combination of microalgae pipeline cultivation technology and anaerobic fermentation can realize the efficient treatment and resource utilization of molasses vinasse, and provides a new solution for the efficient recycling of molasses vinasse.Therefore, a feasible biomass energy production circulation device needs to be designed for the combination of microalgae technology and molasses vinasse anaerobic fermentation. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a microalgae and anaerobic fermentation integrated biomass energy production circulation system aiming at the deficiency of the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A microalgae and anaerobic fermentation integrated biomass energy production circulation system, including IC anaerobic tower reaction generator, circulating water tank, T type pipeline, circulating water pump, main pipeline, microalgae collection mouth and microalgae circulating incubator, the liquid water outlet of IC anaerobic tower reaction generator is connected with the upper portion of circulating water tank, the vertical section of T type pipeline is connected with the bottom of circulating water tank, one end of T type pipeline horizontal section is provided with microalgae collection mouth, and the other end of T type pipeline horizontal section is connected with main pipeline through circulating water pump, the water inlet of microalgae circulating incubator bottom is linked with main pipeline, and its top water outlet is connected with the upper portion of circulating water tank.

[0006] The utility model discloses through the organic combination of various devices to realize the effect of wastewater purification and production biomass energy, through IC anaerobic tower reaction generator carries out anaerobic fermentation treatment, and the fermentation broth produced in anaerobic fermentation is purified through the microalgae in microalgae circulating culture device, finally reaches the purpose of high -efficient treatment of high organic concentration wastewater, and low -cost obtains methane, biological feed, fertilizer and other high -value -added energy and biological product.

[0007] Further, the microalgae circulating culture device comprises organic glass tubes, plastic short tubes and right-angle connecting elbows, the microalgae circulating culture device is composed of 10 layers of pipeline spirals, a single layer of pipeline comprises two organic glass tubes and two plastic short tubes arranged in parallel, and the organic glass tubes and the plastic short tubes are connected in head-tail mode through the right-angle connecting elbows to form rectangular loop pipelines.

[0008] Further, the operation volume of the IC anaerobic tower reaction generator is 1 / 2 of the operation volume of the microalgae circulating culture device, so that the wastewater purified by the IC anaerobic tower reaction generator can directly enter the microalgae circulating culture device to realize efficient and stable treatment of the wastewater.

[0009] Further, the microalgae circulating culture device further comprises lamp strips, the lamp strips are arranged between every two layers of the rectangular loop pipelines of the microalgae circulating culture device, the lamp strips provide white, red and blue light, and the lamp strips provide light energy required by the microalgae for photosynthesis.

[0010] Further, the water inlet of the IC anaerobic tower reaction generator is further provided with a peristaltic pump, so that the high-concentration organic wastewater to be treated can enter the IC reactor in a pulse mode.

[0011] Further, the microalgae circulating culture device further comprises valves, the liquid outlet of the IC anaerobic tower reaction generator, the vertical section of the T-shaped pipeline and the main pipeline are provided with the valves, the valves can control the flow direction of the liquid in the system according to the operation requirements, for example, if it is not required to provide the high-concentration organic wastewater, only the valve of the vertical section of the T-shaped pipeline needs to be closed.

[0012] Further, the microalgae circulating culture device further comprises a cleaning port and a ventilation port, the main pipeline is provided with the cleaning port and the ventilation port, a cylindrical sponge similar to the diameter of the pipeline is put into the cleaning port to clean the microalgae circulating culture device, and the ventilation port is used for introducing carbon dioxide and air mixed gas required by the growth of the microalgae, and the air is generated by an air pump.

[0013] Further, the microalgae circulating culture device further comprises a gas cylinder, the gas cylinder is connected with the ventilation port, and the gas cylinder contains carbon dioxide required by the growth of the microalgae.

[0014] The utility model discloses the advantages are: 1. through IC anaerobic tower reaction generator to high organic concentration wastewater carries out anaerobic fermentation treatment, recycles the nutrient substance in wastewater, obtains clean energy methane while purifying wastewater, the wastewater that anaerobic fermentation preliminary purifies carries out secondary purification again in pipeline type microalga incubator, and high organic content wastewater is handled again, in the carbon emission reduction, low -cost obtains biodiesel, biological feed, fertilizer and so on high added value biological energy and product (microalga processing product), 2. The utility model discloses microalga technology and anaerobic fermentation are combined, can realize the efficient treatment and resource utilization of molasses alcohol wastewater, provides a new solution for the efficient recycling of molasses alcohol wastewater. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a kind of microalga and anaerobic fermentation integrated biomass energy production circulating system of the utility model and is the front view;

[0016] Fig. 2 It is a kind of microalga and anaerobic fermentation integrated biomass energy production circulating system (no IC anaerobic tower reaction generator) of the utility model and is the perspective view. DETAILED DESCRIPTION

[0017] The utility model is described in detail below in conjunction with drawings:

[0018] In the description of the utility model, it is necessary to explain that, "up", "down", "top", "bottom" and so on indicate the orientation or position relationship based on the orientation or position relationship shown in drawing, or the orientation or position relationship of the utility model product when using usual, just is for the convenience of describing the utility model and simplifying description, and is not the orientation of indicating or suggesting the device or element of the utility model must have specific, and specific orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0019] As Figs. 1-2As shown, a microalgae and anaerobic fermentation integrated biomass energy production cycle system, comprising an IC anaerobic tower reactor 1, a circulating water tank 2, a T-shaped pipeline 3, a circulating water pump 4, a main pipeline 5, a microalgae collection port 6, a microalgae circulating incubator 7, a lamp strip 8, a valve 9, a cleaning port 10, a ventilation port 11 and a gas cylinder 12, the IC anaerobic tower reactor 1 is consistent with the technical solution of the IC reactor in the high-concentration wastewater high-efficiency treatment and resource recovery system with the patent number 2022214633245 and the patent name of a kind of high-concentration wastewater. The liquid outlet pipe of the IC anaerobic tower reactor 1 is connected with the upper part of the circulating water tank 2, and the wastewater preliminarily purified in the IC anaerobic tower reactor 1 enters the circulating water tank 2 for use. The vertical section of the T-shaped pipeline 3 is connected with the bottom of the circulating water tank 2; one end of the horizontal section of the T-shaped pipeline 3 is provided with a microalgae collection port 6, and the microalgae cultured by the microalgae circulating incubator 7 is collected through the microalgae collection port 6. The collected microalgae can be processed into high-value-added products; the other end of the horizontal section of the T-shaped pipeline 3 is connected with the main pipeline 5 through the circulating water pump 4; the water inlet at the bottom of the microalgae circulating incubator 7 is communicated with the main pipeline 5, and the water outlet at the top of the microalgae circulating incubator 7 is connected with the upper part of the circulating water tank 2 through a pipeline. The whole system provides the power of liquid flow through the circulating water pump 4, and under the action of the circulating water pump 4, the wastewater preliminarily purified in the circulating water tank 2 will enter the microalgae circulating incubator 7 through the T-shaped pipeline 3 and the main pipeline 5, the wastewater preliminarily purified in the microalgae circulating incubator 7 will flow slowly from bottom to top and be purified again under the action of microalgae, and the purified wastewater will return to the circulating water tank 2 through the water outlet at the top of the microalgae circulating incubator 7 for continuous circulation, and the wastewater that passes the detection can be discharged.

[0020] The microalgae circulating cultivator 7 comprises organic glass tubes 71, plastic short tubes 72 and right-angle connecting elbows 73, and is composed of 10 layers of pipeline spirals. Each layer of pipeline comprises two organic glass tubes 71 and two plastic short tubes 72 arranged in parallel, and the organic glass tubes 71 and the plastic short tubes 72 are connected end to end by the right-angle connecting elbows 73 to form a rectangular loop pipeline. Each layer of the rectangular loop pipeline is arranged in an axial direction with an inclination of 10-15 degrees, and is arranged in a continuous spiral flow channel. The inner diameter of the organic glass tubes 71 and the plastic short tubes 72 is 4.0 cm, the length of the organic glass tubes 71 is 58 cm, and the length of the plastic short tubes 72 is 10 cm. The pipeline spiral structure design increases the flow process of the wastewater, ensures that the flowing wastewater can be fully purified by the photosynthesis of the microalgae, and also reduces the volume of the microalgae circulating cultivator 7 and the occupied space. In order to ensure the light source required for the growth of the microalgae, a light belt 8 is arranged between each layer of the rectangular loop pipeline, and the light belt 8 is independently controlled and can provide white, red and blue light of three different colors. In order to provide the carbon dioxide and air mixed gas required for the growth of the microalgae, an air inlet 11 is arranged on the main pipeline 5, the air inlet 11 is a one-way valve structure, the air mixed gas is provided by an air pump, the carbon dioxide gas is provided by a gas cylinder 12, and the gas cylinder 12 is detachably connected to the air inlet 11.

[0021] The operation volume of the IC anaerobic tower reaction generator 1 is 1 / 2 of the operation volume of the microalgae circulating cultivator 7, which ensures that the wastewater purified by the IC anaerobic tower reaction generator 1 can directly enter the microalgae circulating cultivator 7 to realize efficient and stable treatment of the wastewater. The operation volume mentioned here refers to the internal space of the IC anaerobic tower reaction generator 1 or the microalgae circulating cultivator 7, for example, the operation volume of the microalgae circulating cultivator 7 is the internal space volume of the pipeline composed of all the organic glass tubes 71, the plastic short tubes 72 and the right-angle connecting elbows 73.

[0022] In order to facilitate the operation and control of the biomass energy production circulating system, valves 9 are arranged on the liquid outlet pipe of the IC anaerobic tower reaction generator 1, the vertical section of the T-shaped pipeline 3 and the main pipeline 5. The valves 9 can control the flow direction of the liquid in the biomass energy production circulating system, and can also clean the microalgae circulating cultivator 7 according to the needs in cooperation with the cleaning port 10. The cleaning port 10 is arranged on the main pipeline 5.

[0023] The research of the utility model innovatively combines molasses alcohol wastewater anaerobic fermentation and algal culture, adds different types of microalgae or algal residues after extracting oil to the IC anaerobic tower reactor, realizes technical coupling of wastewater treatment and algal production, improves methane metabolic efficiency, proposes new insights of microalgae enabled methane production, organic matter removal and microbial interaction regulation, and provides a new scheme for wastewater resource utilization and microalgae biomass utilization.

[0024] Although the specific embodiments of the utility model are described and illustrated in detail above, it should be pointed out that various changes and modifications can be made to the above-mentioned embodiments without departing from the spirit of the utility model and the scope recorded in the appended claims.

Claims

1. A microalgae and anaerobic fermentation integrated biomass energy production cycle system, characterized in that, The application relates to an IC anaerobic tower reaction generator (1), a circulating water tank (2), a T-shaped pipeline (3), a circulating water pump (4), a main pipeline (5), a microalgae collecting port (6) and a microalgae circulating culture device (7), wherein the liquid outlet pipe of the IC anaerobic tower reaction generator (1) is connected with the upper portion of the circulating water tank (2); the vertical section of the T-shaped pipeline (3) is connected with the bottom of the circulating water tank (2); one end of the horizontal section of the T-shaped pipeline (3) is provided with the microalgae collecting port (6), and the other end of the horizontal section of the T-shaped pipeline (3) is connected with the main pipeline (5) through the circulating water pump (4); the water inlet of the bottom of the microalgae circulating culture device (7) is communicated with the main pipeline (5), and the water outlet of the top of the microalgae circulating culture device (7) is connected with the upper portion of the circulating water tank (2).

2. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 1, wherein, The microalgae circulating culture device (7) comprises organic glass pipes (71), plastic short pipes (72) and right-angle connecting elbows (73), the microalgae circulating culture device (7) is composed of 10 layers of pipeline spirals, each layer of pipeline comprises two organic glass pipes (71) and two plastic short pipes (72) which are arranged in parallel, the organic glass pipes (71) and the plastic short pipes (72) are connected in a head-tail mode through the right-angle connecting elbows (73) to form rectangular loop pipelines; the rectangular loop pipelines of each layer are arranged in a rotating mode with an axial interval and an inclination of 10-15 degrees to form a continuous spiral flow channel.

3. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 1 or 2, wherein, The operation volume of the IC anaerobic tower reaction generator (1) is 1 / 2 of the operation volume of the microalgae circulating culture device (7).

4. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 3, wherein, The application further comprises a lamp strip (8), the lamp strip (8) is arranged between each layer of the rectangular loop pipelines of the microalgae circulating culture device (7), and the lamp strip (8) is respectively provided with white, red and blue lamps which are arranged at intervals.

5. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 4, wherein, The application further comprises a valve (9), the liquid outlet of the IC anaerobic tower reaction generator (1), the vertical section of the T-shaped pipeline (3) and the main pipeline (5) are provided with the valve (9).

6. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 5, wherein, The application further comprises a cleaning port (10) and a ventilation port (11), and the main pipeline (5) is provided with the cleaning port (10) and the ventilation port (11).

7. The integrated microalgal-anaerobic digestion biomass energy production cycle of claim 6, wherein, The application further comprises a gas cylinder (12), the gas cylinder (12) is connected with the ventilation port (11), and the gas cylinder (12) is filled with carbon dioxide.

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