CN211921574U - Device for producing biogas by using starch processing wastewater - Google Patents
Device for producing biogas by using starch processing wastewater Download PDFInfo
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- CN211921574U CN211921574U CN201921974691.XU CN201921974691U CN211921574U CN 211921574 U CN211921574 U CN 211921574U CN 201921974691 U CN201921974691 U CN 201921974691U CN 211921574 U CN211921574 U CN 211921574U
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Abstract
The utility model relates to the technical field of starch wastewater treatment equipment, in particular to a device for producing biogas by starch processing wastewater, which comprises a fermentation tank, wherein the top of the fermentation tank is fixedly connected with a stirring motor, the fermentation tank is internally provided with a fermentation tank, the bottom of an output shaft of the stirring motor is fixedly connected with a stirring shaft in the fermentation tank, the stirring shaft is fixedly connected with a stirring paddle blade on the stirring shaft and in the fermentation tank, the top of the fermentation tank is fixedly connected with a wastewater pipe at the left side of the stirring motor, the top of the fermentation tank is fixedly connected with an adjusting pipe at the right side of the stirring motor, the fermentation pipe is fixedly connected at the left side of the fermentation tank and above the stirring paddle blade, so that the problem that a large amount of high-concentration acidic organic wastewater is generated in the starch processing process at present, the wastewater is mainly soluble starch and a small amount of protein is solved, can pollute water source and cause serious harm to the environment.
Description
Technical Field
The utility model relates to a starch waste water treatment equipment technical field specifically is a device of starch processing waste water production marsh gas.
Background
Starch is a high molecular carbohydrate, which is polymerized from glucose molecules, and has a basic constitutional unit of alpha-D-glucopyranose, which is classified into amylose and amylopectin, and can produce various products such as dextrin, oligosaccharide, maltose, glucose and the like.
At present, a large amount of high-concentration acidic organic wastewater is generated in the starch processing process, mainly soluble starch and a small amount of protein, and if the starch-generated wastewater is directly discharged into an environmental water body, a water source is polluted and the environment is seriously damaged, so that a device for producing biogas by using the starch-generated wastewater is needed to solve the problem.
Disclosure of Invention
An object of the utility model is to provide a device of starch processing waste water production marsh gas to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a device for producing biogas by using starch processing wastewater comprises a fermentation tank, wherein the top of the fermentation tank is fixedly connected with a stirring motor, a fermentation tank is arranged in the fermentation tank, the bottom end of an output shaft of the stirring motor is fixedly connected with a stirring shaft which is positioned in the fermentation tank, the stirring shaft is fixedly connected with a stirring paddle which is positioned in the fermentation tank, the top of the fermentation tank is fixedly connected with a wastewater pipe which is positioned on the left side of the stirring motor, the top of the fermentation tank is fixedly connected with an adjusting pipe which is positioned on the right side of the stirring motor, the left side of the fermentation tank is fixedly connected with a fermentation pipe which is positioned above the stirring paddle, halogen heating lamps are fixedly connected with the two sides of the fermentation tank and positioned above the fermentation pipe, a biogas pipe is fixedly connected with the right side of the fermentation tank and positioned at the position of the fermentation pipe, and a PH value sensor, the right side of fermentation vat and the below fixedly connected with temperature sensor who is located the fermentation tube, the bottom of fermentation vat just is located the (mixing) shaft under fixedly connected with waste pipe, in the regulating tube, the fermentation tube, in the methane pipe and the waste pipe and all be located the outer fixedly connected with motorised valve of fermentation vat, the right side of fermentation vat just is located the below fixedly connected with processing box of marsh gas pipe, the top of processing box and marsh gas pipe position department correspond and have seted up the circular slot, the processing tank has been seted up to the bottom of circular slot, the processing tank intussuseption is filled by the absorption liquid, the right side of processing tank just is located the top fixedly connected with outlet duct of absorption liquid, the fermentation vat is put into the below fixedly connected with control panel that the left side just is located.
Preferably, the control panel and the stirring motor, the control panel and the pH value sensor, the control panel and the temperature sensor, the control panel and the halogen heating lamp and the control panel and the electric valve are all electrically connected.
Preferably, the length of the stirring shaft is matched with the height of the fermentation tank, and the stirring blades are frame type stirring blades.
Preferably, the fermentation tank, the stirring shaft, the stirring blade, the waste water pipe, the regulating pipe, the methane pipe and the treatment box are all made of glass fiber reinforced plastics, and methane fermentation liquor is stored in the fermentation pipe.
Preferably, the adjusting pipe stores sodium bicarbonate solution and the absorption liquid is calcium hydroxide solution.
Preferably, the stirring blades are connected with the fermentation tank in a rotating manner, and the stirring shaft is connected with the fermentation tank in a rotating manner.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through setting up the fermentation cylinder, the fermentation tube, the control tube, the marsh gas pipe, the halogen heating lamp, in passing through the waste water pipe injection fermentation tank with starch processing waste water, adjust the pH value of waste water through the sodium bicarbonate solution in the control tube, with marsh gas zymotic fluid through fermentation tube injection waste water, temperature through the halogen heating lamp messenger fermentation tank reaches the fermentation temperature, starch and a small amount of protein in the waste water can ferment at marsh gas zymotic fluid and generate marsh gas, the acidic organic waste water of a large amount of high concentration of production at present in starch processing has been solved, it is mainly the starch and a small amount of protein of solubility, if produce starch in waste water direct discharge environment water, can pollute the water source, cause the problem of serious harm to the environment.
2. The utility model discloses in, handle the case through setting up, the treatment fluid, the absorption liquid of making by the calcium hydroxide solution can absorb the hydrogen sulfide gas body and the carbon dioxide gas in the marsh gas, makes the marsh gas concentration of producing higher.
3. The utility model discloses in, through setting up by agitator motor, (mixing) shaft, stirring paddle stirring waste water, avoid the residue to produce the marsh gas come-up that the prevention lower floor waste water of crust produced in waste water produced, improved marsh gas output.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the point B in FIG. 1 according to the present invention;
fig. 4 is an enlarged view of the point C in fig. 1 according to the present invention.
In the figure: 1-fermentation tank, 2-stirring motor, 3-fermentation tank, 4-stirring shaft, 5-stirring blade, 6-waste water pipe, 7-adjusting pipe, 8-fermentation pipe, 9-halogen heating lamp, 10-biogas pipe, 11-PH value sensor, 12-temperature sensor, 13-waste water pipe, 14-electric valve, 15-treatment box, 16-circular tank, 17-treatment tank, 18-absorption liquid, 19-gas outlet pipe and 20-control panel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a device for producing biogas by starch processing wastewater comprises a fermentation tank 1, wherein the top of the fermentation tank 1 is fixedly connected with a stirring motor 2, a fermentation tank 3 is arranged in the fermentation tank 1, the bottom end of an output shaft of the stirring motor 2 is fixedly connected with a stirring shaft 4 positioned in the fermentation tank 3, the stirring shaft 4 is fixedly connected with a stirring paddle 5 positioned in the fermentation tank 3, the length of the stirring shaft 4 is matched with the height of the fermentation tank 3, the stirring paddle 5 is a frame type stirring blade, the frame type stirring blade is suitable for stirring at a low rotating speed and has a large stirring range, the stirring paddle 5 is rotatably connected with the fermentation tank 3, the connection mode of the stirring shaft 4 and the fermentation tank 1 is that the top of the fermentation tank 1 is fixedly connected with a wastewater pipe 6 positioned at the left side of the stirring motor 2, the top of the fermentation tank 1 is fixedly connected with an adjusting pipe 7 positioned at the right side of the stirring motor 2, the left side of the fermentation tank, halogen heating lamps 9 are fixedly connected to the two sides of the fermentation tank 3 and above the fermentation tube 8, a biogas pipe 10 is fixedly connected to the right side of the fermentation tank 3 and below the fermentation tube 8, a pH value sensor 11 is fixedly connected to the left side of the fermentation tank 3 and below the fermentation tube 8, a temperature sensor 12 is fixedly connected to the right side of the fermentation tank 3 and below the fermentation tube 8, a waste pipe 13 is fixedly connected to the bottom of the fermentation tank 3 and right below the stirring shaft 4, a waste valve 14 is fixedly connected to the inside of the waste pipe 6, an adjusting pipe 7, the inside of the fermentation pipe 8, the inside of the biogas pipe 10 and the inside of the waste pipe 13 and outside the fermentation tank 1, an electric valve 14 is fixedly connected to the right side of the fermentation tank 1 and below the biogas pipe 10, a treatment tank 15 is fixedly connected to the right side of the fermentation tank 1 and below the biogas pipe 10, the fermentation tank 1, the stirring shaft 4, the stirring paddle 5, the waste pipe 6, the adjusting pipe 7, glass steel has the acid and alkali corrosion resistance of reinforcing, can extension fixture's life, the top of handling case 15 and the correspondence of natural pond trachea 10 position department have seted up circular slot 16, processing tank 17 has been seted up to circular slot 16's bottom, the intussuseption of processing tank 17 is filled by absorption liquid 18, it has sodium bicarbonate solution and absorption liquid 18 to be the calcium hydroxide solution to store in the control tube 7, hydrogen sulfide and carbon dioxide gas in the marsh gas can be absorbed to the calcium hydroxide, processing tank 17's right side and the top fixedly connected with outlet duct 19 that is located absorption liquid 18, fermentation cylinder 1 is put into the left side and is located fermentation cylinder 8's below fixedly connected with control panel 20, control panel 20 and agitator motor 2, control panel 20 and PH value sensor 11, control panel 20 and temperature sensor 12, control panel 20 and halogen heating lamp 9 and control panel 20 are electric connection with motorised valve 14's connected mode.
The utility model discloses work flow: when the device is used, the electric valve 14 in the waste water pipe 6 and the biogas pipe 10 is opened through the control panel 20, starch processing waste water enters the fermentation tank 1 through the waste water pipe 6, air in the fermentation tank 1 is discharged through the biogas pipe 10, the electric valve 14 in the waste water pipe 6 and the biogas pipe 10 is closed through the control panel 20, the pH value of the waste water is measured and displayed on the control panel 20 through the pH value sensor 11, the electric valve 14 in the air adjusting pipe 7 of the control panel 20 is used, sodium bicarbonate solution in the adjusting pipe 7 enters the waste water, the pH value of the waste water is adjusted, when the pH value of the waste water is adjusted to be neutral or alkalescent, the electric valve 14 in the adjusting pipe 7 is closed through the control panel 20, the temperature sensor 12 measures the temperature of the waste water and displays the temperature on the control panel 20, if the temperature of the waste water is higher than the active temperature of zymophyte in biogas fermentation broth, the waste, the wastewater temperature is reduced to the active temperature range of zymogens in the biogas fermentation liquid, if the wastewater temperature is lower than the active temperature of the zymogens in the biogas fermentation liquid, the control panel 20 starts the halogen heating lamp 9, the halogen heating lamp 9 heats the wastewater, the wastewater temperature is increased to the active temperature range of the zymogens in the biogas fermentation liquid, when the wastewater temperature reaches the active temperature of the zymogens in the biogas fermentation liquid, the control panel 20 starts the electric valve 14 in the fermentation pipe 8, the biogas fermentation liquid in the fermentation pipe 8 is injected into the wastewater, the zymogens in the biogas fermentation liquid can decompose organic matters such as starch, protein and the like in the wastewater and generate biogas under the anaerobic or hypoxic condition, the control panel 20 starts the stirring motor 2, the stirring motor 2 reaches the stirring paddle 5 through the stirring shaft 4 to stir the wastewater, and prevent the residue in the wastewater from crusting to cause the biogas in the lower layer wastewater to be unable to rise in the biogas pipe 10, the generated biogas enters the treatment tank 15 through the biogas pipe 10, the absorption liquid 18 made of calcium hydroxide solution in the treatment tank 15 absorbs hydrogen sulfide gas and carbon dioxide gas in the biogas to increase the concentration of the biogas, the biogas treated by the absorption liquid 18 is discharged through the gas outlet pipe 19 and collected, and the residual residue is discharged through the waste pipe 13 and used as farmyard manure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a device of starch processing waste water production marsh gas, includes fermentation cylinder (1), its characterized in that: the fermentation tank is characterized in that a stirring motor (2) is fixedly connected to the top of the fermentation tank (1), a fermentation tank (3) is arranged in the fermentation tank (1), the bottom end of an output shaft of the stirring motor (2) is fixedly connected with a stirring shaft (4) in the fermentation tank (3), the stirring shaft (4) is fixedly connected with stirring paddles (5) in the fermentation tank (3), the top of the fermentation tank (1) is fixedly connected with a waste water pipe (6) on the left side of the stirring motor (2), the top of the fermentation tank (1) is fixedly connected with an adjusting pipe (7) on the right side of the stirring motor (2), a fermentation pipe (8) is fixedly connected to the left side of the fermentation tank (3) and above the stirring paddles (5), halogen heating lamps (9) are fixedly connected to the two sides of the fermentation tank (3) and above the fermentation pipe (8), a biogas pipe (10) is fixedly connected to the right side of the fermentation tank (3) and the position of the fermentation pipe (8), a pH value sensor (11) is fixedly connected to the left side of the fermentation tank (3) and is positioned below the fermentation pipe (8), a temperature sensor (12) is fixedly connected to the right side of the fermentation tank (3) and is positioned below the fermentation pipe (8), a waste pipe (13) is fixedly connected to the bottom of the fermentation tank (3) and is positioned right below the stirring shaft (4), an electric valve (14) is fixedly connected to the inside of the biogas pipe (10) and the outside of the fermentation tank (1) in the waste pipe (6), a treatment tank (15) is fixedly connected to the inside of the adjustment pipe (7), the inside of the fermentation pipe (8), the inside of the biogas pipe (10) and the inside of the waste pipe (13), a circular groove (16) is correspondingly arranged at the top of the treatment tank (15) and the position of the biogas pipe (10), a treatment tank (17) is arranged at the bottom of the circular groove (16), an absorption liquid (18) is filled in the treatment tank (17), an air outlet pipe (19) is fixedly connected to the right side of the treatment tank (17) and located above the absorption liquid (18), and a control panel (20) is fixedly connected to the lower portion of the fermentation tank (8) and located on the left side of the fermentation tank (1).
2. The device for producing biogas from starch processing wastewater according to claim 1, wherein: the control panel (20) is electrically connected with the stirring motor (2), the control panel (20) is electrically connected with the pH value sensor (11), the control panel (20) is electrically connected with the temperature sensor (12), the control panel (20) is electrically connected with the halogen heating lamp (9), and the control panel (20) is electrically connected with the electric valve (14).
3. The device for producing biogas from starch processing wastewater according to claim 1, wherein: the length of the stirring shaft (4) is matched with the height of the fermentation tank (3), and the stirring blades (5) are frame-type stirring blades.
4. The device for producing biogas from starch processing wastewater according to claim 1, wherein: the fermentation tank (1), the stirring shaft (4), the stirring blade (5), the waste water pipe (6), the adjusting pipe (7), the biogas pipe (10) and the treatment box (15) are all made of glass fiber reinforced plastics, and biogas fermentation liquid is stored in the fermentation pipe (8).
5. The device for producing biogas from starch processing wastewater according to claim 1, wherein: the adjusting pipe (7) is stored with sodium bicarbonate solution and the absorption liquid (18) is calcium hydroxide solution.
6. The device for producing biogas from starch processing wastewater according to claim 1, wherein: the stirring blades (5) are rotatably connected with the fermentation tank (3), and the stirring shaft (4) is rotatably connected with the fermentation tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974691.XU CN211921574U (en) | 2019-11-15 | 2019-11-15 | Device for producing biogas by using starch processing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974691.XU CN211921574U (en) | 2019-11-15 | 2019-11-15 | Device for producing biogas by using starch processing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211921574U true CN211921574U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921974691.XU Active CN211921574U (en) | 2019-11-15 | 2019-11-15 | Device for producing biogas by using starch processing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211921574U (en) |
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2019
- 2019-11-15 CN CN201921974691.XU patent/CN211921574U/en active Active
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