Device for producing single-cell protein based on nitrogen-containing wastewater as raw material

Abstract

The utility model is applicable to the technical field of wastewater treatment, and provides a device for producing single-cell protein based on nitrogen-containing wastewater as a raw material, which comprises a base plate, a treatment box and a treatment tank are fixedly mounted on the base plate and are used for treating the nitrogen-containing wastewater to process and produce cell protein, and a fermentation chamber and a blending chamber are arranged in the treatment tank; the filter basket is arranged on the treatment box, can be lifted and detached and is used for containing a filter material to filter impurities in the nitrogen-containing wastewater; the first water pump is fixedly mounted on the base plate, the water inlet end of the first water pump is fixedly communicated with the treatment box through a first water pumping pipe, and the first water pump is used for pumping the nitrogen-containing wastewater after the pH value is adjusted. According to the device for producing the single-cell protein on the basis of taking the nitrogen-containing wastewater as the raw material, the problems of nitrogen resource waste and environmental pollution in a traditional wastewater treatment method are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wastewater treatment technical field especially relates to a device based on nitrogen-containing wastewater as raw material production single cell protein. BACKGROUND

[0002] Nitrogen-containing wastewater is a common industrial wastewater, its source is extensive, including livestock and poultry breeding, food processing, pharmaceutical, biogas engineering and so on many fields, these wastewaters contain a large amount of ammonia nitrogen, organic carbon source and so on useful matter, but also brought serious environmental pollution problem.

[0003] At present, the traditional wastewater treatment method such as nitrification-denitrification process is often converted ammonia nitrogen into nitrogen and discharged into the atmosphere, this not only wastes valuable nitrogen resources, also can aggravate the nitrogen load of environment, therefore, it is particularly important to explore a kind of new technology that can realize the resource utilization of nitrogen-containing wastewater. UTILITY MODEL CONTENT

[0004] The utility model provides a device based on nitrogen-containing wastewater as raw material production single cell protein, solves the problem of nitrogen resource waste and environmental pollution in traditional wastewater treatment method.

[0005] The utility model is realized in this way, a device based on nitrogen-containing wastewater as raw material production single cell protein, it includes: base plate, fixedly installed with treatment box and treatment jar on the base plate, for processing nitrogen-containing wastewater processing production cell protein, fermentation chamber and deployment room are provided in the treatment jar;Filter basket, the filter basket is arranged on the treatment box, can be lifted and detached for containing filter material and filtering impurities in nitrogen-containing wastewater;First water pump, the first water pump is fixedly installed on the base plate, the water inlet end of the first water pump is fixedly connected with the treatment box through first water suction pipe, for extracting nitrogen-containing wastewater after adjusting PH value;First drain pipe, the first drain pipe is fixedly connected on the water outlet end of the first water pump, and the water outlet of the first drain pipe extends into the fermentation chamber, for supplying nitrogen-containing wastewater after adjusting PH value;Stirring mechanism, the stirring mechanism is arranged on the treatment jar, for stirring nitrogen-containing wastewater in fermentation chamber.

[0006] Preferably, the stirring mechanism includes: stirring rod rotatably installed on the treatment jar, the bottom end of the stirring rod extends into the fermentation chamber;Fixed mounting shell on the treatment jar;Fixed reducer and motor in the mounting shell, the output shaft of the reducer is fixedly connected with the stirring rod through the shaft coupling, and the output shaft of the motor is fixedly connected with the input shaft of the reducer through the shaft coupling.

[0007] Preferably, a constant temperature heating rod is arranged in the fermentation chamber to heat the nitrogen-containing wastewater to promote the growth of microorganisms, and a liquid injection pipe is fixedly communicated with the top of the fermentation chamber to connect a culture medium injection device and a microorganism strain injection device, so that seed culture medium and microorganism strains can be injected into the fermentation chamber.

[0008] Preferably, a second water pumping device is arranged below the treatment tank, the water inlet end of the second water pumping device is communicated with the fermentation chamber through a second water pumping pipe, and the water outlet end of the second water pumping device is communicated with the adjustment chamber through a second drainage pipe, so as to pump the wastewater with reduced soluble organic matter concentration in the fermentation chamber into the adjustment chamber.

[0009] Preferably, a gas supply pipe is fixedly communicated with the top of the adjustment chamber to supply mixed gas of H2, O2 and CO2 into the wastewater with reduced soluble organic matter concentration, and an exhaust pipe is fixedly communicated with the top of the adjustment chamber, and an automatic exhaust valve is arranged on the exhaust pipe.

[0010] Preferably, a liquid discharge pipe is fixedly communicated with the adjustment chamber to connect a solid-liquid separation device, and a PH detector is arranged on the treatment box, and the detection end of the PH detector extends into the adjustment chamber to detect the PH value of the wastewater.

[0011] Preferably, a liquid supply pipe is fixedly communicated with the top of the treatment box to connect a device for injecting PH adjusting liquid into the wastewater.

[0012] Compared with the related art, the device for producing single-cell protein based on nitrogen-containing wastewater as raw material has the following beneficial effects:

[0013] Through the preliminary treatment of the treatment box, the further fermentation of the treatment tank and the adjustment, the resource utilization of the nitrogen-containing wastewater is realized. This design not only solves the problem of nitrogen resource waste in the traditional wastewater treatment method, but also reduces environmental pollution, and has significant environmental benefits. The stirring mechanism ensures the sufficient mixing of the wastewater and the microorganisms through the rotation of the stirring rod, and improves the fermentation efficiency. At the same time, the constant temperature heating rod can heat the nitrogen-containing wastewater according to the set temperature, and provides a suitable temperature environment for the growth of microorganisms, further improving the fermentation efficiency and the yield of single-cell protein; the design of the liquid injection pipe enables the operator to flexibly control the injection amount and time, thereby realizing accurate management of the fermentation process. The PH detector monitors the PH value of the wastewater in real time, providing a basis for the operator to adjust the injection amount of the PH adjusting liquid. The liquid supply pipe allows the operator to inject the PH adjusting liquid into the treatment system according to actual needs, further enhancing the controllability and stability of the production process; the filter basket effectively removes impurities in the nitrogen-containing wastewater, ensuring the smooth progress of the subsequent fermentation process. At the same time, the filter basket can be lifted and detached, facilitating cleaning and replacing the filter material, and reducing the maintenance cost of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a kind of based on the main view structural schematic diagram of the device of single-cell protein production of nitrogen-containing wastewater as raw material;

[0015] Figure 2 It is the main view sectional structure schematic diagram of the utility model;

[0016] Figure 3 It is Figure 2 It is the enlarged structural schematic diagram of A portion shown in the middle;

[0017] Figure 4 It is the structural schematic diagram of filter basket in the utility model.

[0018] Reference signs: 1, base plate; 2, processing box; 3, processing jar; 4, fermentation chamber; 5, deployment chamber; 6, filter basket; 7, liquid supply pipe; 8, first water pump; 9, first water suction pipe; 10, first drain pipe; 11, constant temperature heating rod; 12, stirring rod; 13, installation shell; 14, speed reducer; 15, motor; 16, gas supply pipe; 17, second water suction pump; 18, second water suction pipe; 19, second drain pipe; 20, liquid discharge pipe; 21, PH detector; 22, liquid injection pipe. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to be limiting of the application; the terminology used in the description and the claims of the present application and the above detailed description of the illustrated embodiments is not intended to be limiting of the application; the terms "including" and "comprising" and variations thereof as used in the specification and in the claims are intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Use of the term "about" in relation to a geographic location refers to a location within a predetermined distance of the geographic location.

[0020] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the embodiments described herein can be incorporated into any other embodiment.

[0021] The utility model embodiment provides a kind of based on the device of single-cell protein production of nitrogen-containing wastewater as raw material, such as Figures 1-4As shown, the device for producing single-cell protein based on nitrogen-containing wastewater as raw material comprises a base plate 1, a treatment box 2 and a treatment tank 3 are fixedly installed on the base plate 1 and are used for processing and producing cell protein from the nitrogen-containing wastewater, a fermentation chamber 4 and a dispensing chamber 5 are arranged in the treatment tank 3, a filter basket 6 is arranged on the treatment box 2 and can be lifted and detached for containing filter material to filter impurities in the nitrogen-containing wastewater, a first water pump 8 is fixedly installed on the base plate 1, a water inlet end of the first water pump 8 is fixedly communicated with the treatment box 2 through a first water suction pipe 9 and is used for pumping the nitrogen-containing wastewater after PH value adjustment, a first drain pipe 10 is fixedly communicated on a water outlet end of the first water pump 8, and a water outlet of the first drain pipe 10 extends into the fermentation chamber 4 and is used for feeding the nitrogen-containing wastewater after PH value adjustment, and a stirring mechanism is arranged on the treatment tank 3 and is used for stirring the nitrogen-containing wastewater in the fermentation chamber 4.

[0022] In the embodiment, the treatment box 2 is used for preliminarily processing the nitrogen-containing wastewater, such as filtering impurities through the filter basket 6. The treatment tank 3 is further divided into the fermentation chamber 4 and the dispensing chamber 5 and is used for fermentation of microorganisms and dispensing of wastewater respectively, so that the resource utilization of the wastewater is realized. The filter basket 6 is arranged to effectively remove the impurities in the nitrogen-containing wastewater, so that the subsequent fermentation process is ensured to be smoothly performed. Meanwhile, the filter basket 6 can be lifted and detached, so that the filter material can be conveniently cleaned and replaced. The first water pump 8 pumps the nitrogen-containing wastewater after PH value adjustment from the treatment box 2 through the first water suction pipe 9 and feeds the nitrogen-containing wastewater into the fermentation chamber 4 through the first drain pipe 10. The stirring mechanism is arranged on the treatment tank 3 and is used for stirring the nitrogen-containing wastewater in the fermentation chamber 4. Through stirring, the mixing of the microorganisms and the wastewater can be accelerated, the fermentation efficiency is improved, and more single-cell protein can be produced. In summary, the device for producing single-cell protein based on nitrogen-containing wastewater as raw material provided by the utility model realizes the resource utilization of the nitrogen-containing wastewater through reasonable structural design and functional configuration, effectively solves the problems of nitrogen resource waste and environmental pollution in the traditional wastewater treatment method.

[0023] In further preferable embodiments of the utility model, the stirring mechanism comprises: a stirring rod 12 rotatably installed on the treatment tank 3, a bottom end of the stirring rod 12 extending into the fermentation chamber 4; an installation shell 13 fixed on the treatment tank 3; a speed reducer 14 and a motor 15 fixed in the installation shell 13, an output shaft of the speed reducer 14 being fixedly connected with the stirring rod 12 through a shaft coupling, and an output shaft of the motor 15 being fixedly connected with an input shaft of the speed reducer 14 through a shaft coupling.

[0024] In the embodiment, the stirring rod 12 is rotatably installed on the treatment tank 3 and extends into the fermentation chamber 4 to directly stir the nitrogen-containing wastewater in the fermentation chamber 4. This design ensures sufficient mixing of the wastewater and the microorganisms, thereby improving the fermentation efficiency; the mounting shell 13 is fixed on the treatment tank 3 to provide a stable mounting platform for the speed reducer 14 and the motor 15. This design ensures the stability of the stirring mechanism during operation and avoids failures caused by vibration or shaking; the speed reducer 14 and the motor 15 are fixedly connected through a shaft coupling to form a power transmission chain. The motor 15 provides power, and the speed reducer 14 functions to reduce speed and increase torque, so that the stirring rod 12 can stir at a suitable rotating speed and torque; the stirring mechanism, through reasonable structural design and functional configuration, effectively stirs the nitrogen-containing wastewater in the fermentation chamber 4, improves the fermentation efficiency, and provides a strong guarantee for producing high-quality single-cell proteins.

[0025] In further preferable embodiments of the utility model, the fermentation chamber 4 is provided with a constant-temperature heating rod 11 for heating the nitrogen-containing wastewater to promote the growth of microorganisms. The top of the fermentation chamber 4 is fixedly connected with a liquid injection pipe 22 for connecting a culture medium injection device and a microbial inoculum injection device, so that seed culture medium and microbial inoculum can be injected into the fermentation chamber 4.

[0026] In the embodiment, the constant-temperature heating rod 11 is arranged in the fermentation chamber 4 and can heat the nitrogen-containing wastewater according to the set temperature to provide a suitable temperature environment for the growth of microorganisms. This design ensures that the microorganisms ferment under optimal temperature conditions, thereby improving the fermentation efficiency and the yield of single-cell proteins. By heating the nitrogen-containing wastewater, the constant-temperature heating rod 11 promotes the growth and reproduction of microorganisms. Suitable temperature conditions can accelerate the metabolic activity of microorganisms and improve their utilization efficiency of nitrogen resources in wastewater, thereby speeding up the production of single-cell proteins. The liquid injection pipe 22 is fixedly connected to the top of the fermentation chamber 4 and is used to connect a culture medium injection device and a microbial inoculum injection device. Through the liquid injection pipe 22, seed culture medium and microbial inoculum can be conveniently injected into the fermentation chamber 4 to provide necessary nutrients and microbial resources for the fermentation process. The design of the liquid injection pipe 22 enables the operator to flexibly control the injection amount and time, thereby achieving precise management of the fermentation process. This design improves the controllability and stability of the production process and provides strong support for producing high-quality single-cell proteins.

[0027] In further preferable embodiments of the utility model, a second water pump 17 is arranged below the treatment tank 3. The water inlet end of the second water pump 17 is communicated with the fermentation chamber 4 through a second water suction pipe 18, and the water outlet end of the second water pump 17 is communicated with the blending chamber 5 through a second drainage pipe 19, so as to pump the wastewater with a decreased concentration of soluble organic matter in the fermentation chamber 4 into the blending chamber 5.

[0028] In the embodiment, the second water pump 17 is arranged below the treatment tank 3 and communicates with the fermentation chamber 4 through the second water suction pipe 18. When the wastewater in the fermentation chamber 4 is subjected to microbial fermentation, the concentration of soluble organic matter will decrease, and at this time, the second water pump 17 can pump out the wastewater. The second water suction pipe 18 serves as a pipeline connecting the fermentation chamber 4 and the second water pump 17, ensuring that the wastewater can be smoothly pumped. The second water discharge pipe 19 serves as a pipeline connecting the second water pump 17 and the distribution chamber 5, and sends the pumped wastewater into the distribution chamber 5 for further treatment.

[0029] In the further preferred embodiment of the utility model, the top of the distribution chamber 5 is fixedly connected with a gas supply pipe 16 for supplying mixed gas of H2, O2 and CO2 into the wastewater with decreased concentration of soluble organic matter, and the top of the distribution chamber 5 is fixedly connected with a gas discharge pipe, and an automatic exhaust valve is arranged on the gas discharge pipe.

[0030] In the embodiment, the gas supply pipe 16 is fixedly connected to the top of the distribution chamber 5 for supplying mixed gas of H2, O2 and CO2 into the wastewater with decreased concentration of soluble organic matter in the distribution chamber 5. These gases can provide necessary nutrients and growth environment for microorganisms in the wastewater, promote further metabolism and reproduction of microorganisms, and thus improve the utilization rate of organic matter in the wastewater. The mixed gas of H2, O2 and CO2 plays an important role in wastewater treatment. H2 can be used as an energy source for some microorganisms, O2 participates in the respiration of microorganisms, and CO2 can be used by microorganisms to synthesize organic matter. By reasonably controlling the proportion and supply amount of these gases, the growth and metabolism process of microorganisms can be optimized, and thus the wastewater treatment efficiency can be improved. The top of the distribution chamber 5 is also fixedly connected with a gas discharge pipe, and an automatic exhaust valve is arranged on the gas discharge pipe. When the gas pressure in the distribution chamber 5 is too high or waste gas needs to be discharged, the automatic exhaust valve will automatically open to discharge the waste gas into the atmosphere. This helps to maintain the gas balance in the distribution chamber 5 and prevent equipment damage or safety hazards caused by excessive gas pressure.

[0031] In the further preferred embodiment of the utility model, a liquid discharge pipe 20 is fixedly connected to the distribution chamber 5 for connecting a solid-liquid separation device, and a PH detector 21 is arranged on the treatment box 2, and a detection end of the PH detector 21 extends into the distribution chamber 5 for detecting the PH value of the wastewater.

[0032] In this embodiment, the drain pipe 20 is fixedly connected to the conditioning chamber 5 for conveying the conditioned wastewater to the solid-liquid separation device. The bacteria are separated from the wastewater by the solid-liquid separation device, and the obtained bacteria are dried to obtain the SCP product. The PH detector 21 is arranged on the treatment box 2, and the detection end thereof extends into the conditioning chamber 5 for real-time monitoring of the PH value of the wastewater. The PH value is an important parameter in the wastewater treatment process, which affects the growth and metabolism of microorganisms, as well as the stability and reactivity of chemical substances in the wastewater. Through real-time monitoring by the PH detector 21, the PH value of the wastewater in the conditioning chamber 5 can be known in time, so that adjustment can be made as needed. This helps to maintain the stability and efficiency of the wastewater treatment process, and avoids problems such as poor treatment effect or equipment damage due to abnormal PH value.

[0033] In a further preferred embodiment of the present application, the top of the treatment box 2 is fixedly connected to a liquid supply pipe 7 for connecting a PH adjusting liquid for injection into the wastewater.

[0034] In this embodiment, the liquid supply pipe 7 is fixedly connected to the top of the treatment box 2, and its main function is to connect external equipment to inject the PH adjusting liquid for wastewater into the treatment box 2. The PH adjusting liquid for wastewater is a chemical solution that can change the PH value of the wastewater, which can be an acidic solution, an alkaline solution or a neutral solution, depending on the range to which the PH value of the wastewater needs to be adjusted. By adding an appropriate amount of PH adjusting liquid to the wastewater, the growth environment of microorganisms can be optimized, and the efficiency and quality of wastewater treatment can be improved.

[0035] In summary, through the preliminary treatment of the treatment box 2, the further fermentation and conditioning of the treatment tank 3, the resource utilization of the nitrogen-containing wastewater is realized. This design not only solves the problem of waste of nitrogen resources in traditional wastewater treatment methods, but also reduces environmental pollution, and has significant environmental benefits. The stirring mechanism ensures the full mixing of wastewater and microorganisms through the rotation of the stirring rod 12, and improves the fermentation efficiency. At the same time, the constant temperature heating rod 11 can heat the nitrogen-containing wastewater according to the set temperature, providing a suitable temperature environment for the growth of microorganisms, further improving the fermentation efficiency and the yield of single-cell protein; the design of the liquid injection pipe 22 allows the operator to flexibly control the amount and time of injection, thereby realizing precise management of the fermentation process. The PH detector 21 monitors the PH value of the wastewater in real time, providing a basis for the operator to adjust the amount of PH adjusting liquid injection. The liquid supply pipe 7 allows the operator to inject PH adjusting liquid into the treatment system according to actual needs, further enhancing the controllability and stability of the production process; the filter basket 6 effectively removes impurities from the nitrogen-containing wastewater, ensuring the smooth progress of the subsequent fermentation process. At the same time, the filter basket 6 can be lifted and detached, facilitating cleaning and replacement of the filter material, reducing the maintenance cost of the equipment.

[0036] It should be noted that the circuit, electronic components and modules involved in the present application are all prior art, and those skilled in the art can realize them without further description, and the content protected by the present application does not involve the improvement of software and methods.

[0037] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.

Claims

1. A device for producing single-cell protein from nitrogen-containing wastewater, characterized in that, include: A base plate, on which a processing box and a processing tank are fixedly installed, are used to process nitrogen-containing wastewater to produce cell protein. The processing tank is equipped with a fermentation chamber and a mixing chamber. A filter basket, which is mounted on the treatment box and can be lifted and removed, is used to hold filter media to filter impurities in nitrogen-containing wastewater; The first water pump is fixedly installed on the base plate, and the water inlet of the first water pump is fixedly connected to the treatment tank through the first water pumping pipe, for extracting nitrogen-containing wastewater after pH adjustment. The first drain pipe is fixedly connected to the outlet end of the first water pump. The outlet of the first drain pipe extends into the fermentation chamber to supply nitrogen-containing wastewater after pH adjustment. A stirring mechanism is installed on the treatment tank and is used to stir the nitrogen-containing wastewater in the fermentation chamber.

2. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, The stirring mechanism includes: Rotate the stirring rod mounted on the processing tank, the bottom end of the stirring rod extending into the fermentation chamber; A mounting housing fixed to the processing tank; A speed reducer and a motor are fixed inside the mounting housing. The output shaft of the speed reducer is fixedly connected to the stirring rod via a coupling, and the output shaft of the motor is fixedly connected to the input shaft of the speed reducer via a coupling.

3. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, The fermentation chamber is equipped with a constant temperature heating rod to heat nitrogen-containing wastewater and promote microbial growth. The top of the fermentation chamber is fixedly connected to an injection pipe for connecting a culture medium injection device and a microbial inoculum injection device, which can inject seed culture medium and microbial inoculum into the fermentation chamber.

4. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, A second water pump is installed below the treatment tank. The inlet of the second water pump is connected to the fermentation chamber through a second water pumping pipe, and the outlet of the second water pump is connected to the mixing chamber through a second drain pipe. This pump is used to pump the wastewater in the fermentation chamber, where the concentration of soluble organic matter decreases, into the mixing chamber.

5. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, The top of the mixing chamber is fixedly connected to a gas supply pipe for supplying a mixture of H2, O2 and CO2 gas into the wastewater where the concentration of soluble organic matter has decreased. The top of the mixing chamber is also fixedly connected to a vent pipe, which is equipped with an automatic exhaust valve.

6. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, The mixing chamber is fixedly connected to a drain pipe for connecting to a solid-liquid separation device. The treatment tank is equipped with a pH meter, the detection end of which extends into the mixing chamber for detecting the pH value of the wastewater.

7. The apparatus for producing single-cell protein from nitrogen-containing wastewater as described in claim 1, characterized in that, The top of the treatment tank is fixedly connected to a liquid supply pipe for connecting the equipment to inject wastewater pH adjustment liquid.

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