CN113666492B - Composite carbon source formula for high-biochemical-rate sewage treatment and preparation system thereof - Google Patents
Composite carbon source formula for high-biochemical-rate sewage treatment and preparation system thereof Download PDFInfo
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- CN113666492B CN113666492B CN202110778306.XA CN202110778306A CN113666492B CN 113666492 B CN113666492 B CN 113666492B CN 202110778306 A CN202110778306 A CN 202110778306A CN 113666492 B CN113666492 B CN 113666492B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 38
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims description 17
- 238000003756 stirring Methods 0.000 claims abstract description 66
- 229920002472 Starch Polymers 0.000 claims abstract description 45
- 239000008107 starch Substances 0.000 claims abstract description 45
- 235000019698 starch Nutrition 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000003054 catalyst Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 31
- 238000002156 mixing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000007062 hydrolysis Effects 0.000 claims description 15
- 238000006460 hydrolysis reaction Methods 0.000 claims description 15
- 239000011573 trace mineral Substances 0.000 claims description 15
- 235000013619 trace mineral Nutrition 0.000 claims description 15
- 239000011782 vitamin Substances 0.000 claims description 15
- 229940088594 vitamin Drugs 0.000 claims description 15
- 229930003231 vitamin Natural products 0.000 claims description 15
- 235000013343 vitamin Nutrition 0.000 claims description 15
- 150000001720 carbohydrates Chemical class 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 14
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 13
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 9
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000013043 chemical agent Substances 0.000 abstract description 13
- 235000011837 pasties Nutrition 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a preparation system of a compound carbon source formula for high-biochemical-rate sewage treatment, which comprises the following components: a bottom box; the upper side box is fixedly arranged at the top of the bottom box, the top of the upper side box is provided with a box cover, and a stirring mechanism is fixedly arranged on the box cover; the flow dividing plate is arranged on the upper side of the bottom box, and comprises a plate body. The compound carbon source formula for high-biochemical-rate sewage treatment and the preparation system thereof provided by the invention have the advantages that the splitter plate is arranged and is communicated with the two material conveying mechanisms, when the pasty starch is split into a plurality of small strands through the plurality of strip-shaped discharge holes and passes through the strip-shaped through holes, chemical agents such as catalysts in the liquid storage cylinder can flow out through the liquid guide groove through the communicating groove to be contacted with the pasty starch splitting the plurality of small strands, so that the contact area of the chemical agents and the starch is greatly increased, and meanwhile, the stirring blade is matched for stirring the starch, so that the reaction speed between the starch and the chemical agents is improved, and the reaction is more complete.
Description
Technical Field
The invention relates to the field of composite carbon sources for sewage treatment, in particular to a formula of a composite carbon source for sewage treatment with high biochemical rate and a preparation system thereof.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused.
In the sewage treatment process, chemical agents are usually required to be used for treatment, wherein in the biochemical section enhanced denitrification process of a sewage treatment plant, a carbon source is required to be added for denitrification treatment.
At present, in the preparation process of the carbon source, the carbon source is prepared fully by adding substances such as vitamins, trace elements and the like into starch, heating water, stirring, adding chemical agents for hydrolysis, adding the substances such as vitamins, trace elements and the like, mixing the starch with hot water, stirring uniformly, forming the whole into paste, and adding a hydrolysis catalyst, so that the starch is difficult to quickly and fully contact with the catalyst for reaction, and the whole reaction process is long.
Therefore, it is necessary to provide a compound carbon source formula for sewage treatment with high biochemical rate and a preparation system thereof to solve the above technical problems.
Disclosure of Invention
The invention provides a compound carbon source formula for high-biochemical-rate sewage treatment and a preparation system thereof, which solve the problem that pasty materials obtained by mixing starch and water are in quick contact reaction with chemical agents quickly and fully.
In order to solve the technical problems, the invention provides a compound carbon source formula for high-biochemical-rate sewage treatment, which comprises the following components:
saccharide substances, a hydrolysis catalyst, acetic acid, polyhydroxyalkanoates, vitamins, trace elements and water;
wherein the saccharide substance is 30-40 parts, the hydrolysis catalyst is 5-10 parts, the acetic acid is 3-5 parts, the polyhydroxyalkanoate is 1-5 parts, the vitamin is 0.5-5 parts, the trace element is 0.5-1.0 parts, and the rest is water.
A preparation system of a compound carbon source formula for high-biochemical-rate sewage treatment comprises: a bottom box;
the upper side box is fixedly arranged at the top of the bottom box, the top of the upper side box is provided with a box cover, and a stirring mechanism is fixedly arranged on the box cover;
the flow dividing plate is arranged on the upper side of the inside of the bottom box and comprises a plate body, transverse connecting grooves are formed in two sides of the plate body, a plurality of strip-shaped through holes are formed in the plate body and located between the two transverse connecting grooves, the two transverse connecting grooves are communicated through a plurality of communicating grooves, liquid guide grooves are obliquely formed in two sides of the inner wall of the communicating groove, and the liquid guide grooves are communicated with the lower sides of the inner wall of the strip-shaped through holes;
the mixing box is arranged in the upper box and is positioned on the upper side of the flow dividing plate, the mixing box comprises a box body, a plurality of strip-shaped discharging holes are formed in the bottom of the inner wall of the box body, the strip-shaped discharging holes correspond to the strip-shaped through holes in position, and a sealing assembly is arranged in the mixing box;
the two conveying mechanisms are respectively arranged on two sides of the upper side box and are communicated with one side of the flow dividing plate.
Preferably, the two sides of the bottom of the inner wall of the box body are provided with strip-shaped placing grooves, and the two sides of the inner wall of the strip-shaped discharging hole are communicated with the strip-shaped placing grooves.
Preferably, the sealing assembly comprises two connecting strips, a plurality of sealing plates are fixedly connected between the two connecting strips at equal intervals, sealing gaskets are fixedly connected to two sides of each sealing plate in an adhering mode, and annular connecting plates are fixedly connected to the tops of the sealing plates through connecting rods.
Preferably, the annular connecting plate is in transmission connection with the box cover through a positioning assembly, the positioning assembly comprises a nut, the nut is fixedly installed at the top of the box cover, and a threaded rod is connected with the nut through internal threads.
Preferably, one end of the threaded rod penetrates through the box cover and extends to the lower side of the box cover, and the bottom end of the threaded rod is rotatably connected with the top of the annular connecting plate through a rotating piece.
Preferably, the material conveying mechanism comprises a liquid storage barrel, a hose is communicated with the bottom of the liquid storage barrel, one end of the hose is connected with a liquid inlet pipe, threaded connection holes are formed in two sides of the flow dividing plate, and one end of the liquid inlet pipe is in threaded connection with the threaded connection holes.
Preferably, the stirring mechanism comprises a motor, the motor is fixedly arranged at the top of the box cover, one end of an output shaft of the motor is fixedly connected with a first stirring shaft through a coupling, one end of the first stirring shaft positioned inside the bottom box is fixedly provided with a second stirring shaft through a connecting piece, and both sides of the surfaces of the first stirring shaft and the second stirring shaft are respectively provided with stirring blades.
Preferably, the connecting piece includes the connector, circular hole has been seted up to the connector bottom, the manhole has been seted up to the bilateral symmetry of circular hole inner wall, the arc wall has been seted up to one side of manhole inner wall, the constant head tank has been seted up to one side of arc wall, the inside bonding fixedly connected with hemisphere cushion in circular hole.
Preferably, the top of the second stirring shaft is fixedly connected with a positioning shaft, and both sides of the surface of the positioning shaft are fixedly connected with fixed blocks.
Compared with the related art, the compound carbon source formula for high-biochemical-rate sewage treatment and the preparation system thereof have the following beneficial effects:
the invention provides a compound carbon source formula for high-biochemical-rate sewage treatment and a preparation system thereof, wherein a splitter plate is arranged and is communicated with two material conveying mechanisms, when pasty starch is split into a plurality of small strands through a plurality of strip-shaped discharge holes and passes through strip-shaped through holes, chemical agents such as catalysts in a liquid storage cylinder can flow out through a liquid guide groove through a communicating groove to be contacted with the pasty starch splitting the small strands, so that the contact area of the chemical agents and the starch is greatly increased, and meanwhile, stirring blades are matched to stir the starch, so that the reaction speed between the starch and the chemical agents is improved, and the reaction is more complete.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a composite carbon source formulation for high biochemical wastewater treatment and a system for preparing the same according to the present invention;
FIG. 2 is a schematic view of the diverter plate shown in FIG. 1;
FIG. 3 is a schematic view of the seal assembly of FIG. 1;
FIG. 4 is a schematic view of the mixing box of FIG. 1;
FIG. 5 is a cross-sectional view of the manifold shown in FIG. 1;
FIG. 6 is a schematic view of the connector shown in FIG. 1;
FIG. 7 is a cross-sectional view of the connector shown in FIG. 6;
fig. 8 is a partial schematic structural view of the second stirring shaft shown in fig. 1.
Reference numerals in the drawings:
1. a bottom box, 2, an upper box, 3 and a box cover,
4. a stirring mechanism 41, a motor 42, a first stirring shaft 43, a second stirring shaft 44 and stirring blades,
5. the splitter plate, 51, the plate body, 52, the transverse connecting groove, 53, the threaded connecting hole, 54, the strip-shaped through hole, 55, the communicating groove, 56 and the liquid guiding groove,
6. mixing box 61, box body 62, strip-shaped placing groove 63 and strip-shaped discharging hole,
7. seal assembly 71, connecting strip 72, sealing plate 73, sealing gasket 74, connecting rod 75, annular connecting plate,
8. a positioning component 81, a nut 82, a threaded rod 83, a rotating piece 84 and a driving handle,
9. a material conveying mechanism 91, a liquid storage cylinder 92, a hose 93 and a liquid inlet pipe,
10. a discharge pipe is arranged on the upper surface of the material pipe,
11. the connecting piece, 111, the connector, 112, the circular hole, 113, the inlet, 114, the arc groove, 115, the positioning groove, 116, the hemispherical rubber cushion,
12. positioning shaft, 13, fixed block.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
First embodiment
The composite carbon source formula for high-biochemical-rate sewage treatment is characterized by comprising the following components:
saccharide substances, a hydrolysis catalyst, acetic acid, polyhydroxyalkanoates, vitamins, trace elements and water;
wherein the saccharide is 32 parts, the hydrolysis catalyst is 8 parts, the acetic acid is 3 parts, the polyhydroxyalkanoate is 1.5 parts, the vitamin is 0.5 part, the trace elements are 0.6 part, and the others are water.
Wherein the saccharide is preferably starch.
The preparation method of the compound carbon source formula for Gao Shenghua-rate sewage treatment comprises the following steps:
adding 32 parts of starch into hot water with the temperature of 70-100 ℃, stirring to fully gelatinize starch solution, adding 8 parts of starch hydrolysis catalyst and 3 parts of acetic acid under the stirring state, hydrolyzing for 1-2 hours at the temperature of 80-100 ℃, cooling to below 50 ℃, adding alkali until the pH value of the solution is 5.5-7.0, then adding 1.5 parts of polyhydroxyalkanoate, 0.5 part of vitamin and 0.6 part of trace elements, and stirring uniformly to obtain the starch.
Second embodiment
The composite carbon source formula for high-biochemical-rate sewage treatment is characterized by comprising the following components:
saccharide substances, a hydrolysis catalyst, acetic acid, polyhydroxyalkanoates, vitamins, trace elements and water;
wherein the saccharide is 35 parts, the hydrolysis catalyst is 6 parts, the acetic acid is 4 parts, the polyhydroxyalkanoate is 2 parts, the vitamin is 2 parts, the trace elements are 0.5 part, and the others are water.
Wherein the saccharide is preferably starch.
The preparation method of the compound carbon source formula for Gao Shenghua-rate sewage treatment comprises the following steps:
adding 35 parts of starch into hot water with the temperature of 70-100 ℃, stirring to fully gelatinize starch solution, adding 6 parts of starch hydrolysis catalyst and 4 parts of acetic acid under the stirring state, hydrolyzing for 1-2 hours at the temperature of 80-100 ℃, cooling to below 50 ℃, adding alkali until the pH value of the solution is 5.5-7.0, then adding 2 parts of polyhydroxyalkanoate, 2 parts of vitamin and 0.5 part of trace elements, and stirring uniformly to obtain the starch.
Third embodiment
The composite carbon source formula for high-biochemical-rate sewage treatment is characterized by comprising the following components:
saccharide substances, a hydrolysis catalyst, acetic acid, polyhydroxyalkanoates, vitamins, trace elements and water;
wherein 39 parts of saccharide, 9 parts of hydrolysis catalyst, 5 parts of acetic acid, 3 parts of polyhydroxyalkanoate, 1.6 parts of vitamin, 0.9 part of trace element and the balance of water.
Wherein the saccharide is preferably starch.
The preparation method of the compound carbon source formula for Gao Shenghua-rate sewage treatment comprises the following steps:
adding 39 parts of starch into hot water with the temperature of 70-100 ℃, stirring to fully gelatinize starch solution, adding 9 parts of starch hydrolysis catalyst and 5 parts of acetic acid under the stirring state, hydrolyzing for 1-2 hours at the temperature of 80-100 ℃, cooling to below 50 ℃, adding alkali until the pH value of the solution is 5.5-7.0, then adding 3 parts of polyhydroxyalkanoate, 1.6 parts of vitamin and 0.9 part of trace elements, and stirring uniformly to obtain the starch.
And (3) testing the denitrification in the sewage by using the composite carbon source for high-biochemical-rate sewage treatment prepared in the examples 1-3, selecting a water sample in an anaerobic section of a certain sewage plant for denitrification test, wherein the sludge concentration is 5000-5500 mg/L, and testing the total nitrogen of raw water at 55mg/L, COD mg/L. 1000mL of water sample is stirred at the same speed in a six-link stirrer, and the polynuclear composite carbon source prepared in examples 1-3, the sodium acetate aqueous solution with the mass fraction of 30% and the glucose aqueous solution with the mass fraction of 35% are respectively added as additional carbon sources, so that the influence on the denitrification rate and the total nitrogen removal rate is shown in Table 1.
From the above table, since the composite carbon source for high biochemical wastewater treatment prepared in example 3 has the best effect on denitration in wastewater, the manufacturing process of the medical-resistant nanomaterial given in example 3 is the best choice.
Fourth embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a composite carbon source formulation for treating high biochemical sewage and a preparation system thereof according to the present invention; FIG. 2 is a schematic view of the diverter plate shown in FIG. 1; FIG. 3 is a schematic view of the seal assembly of FIG. 1; FIG. 4 is a schematic view of the mixing box of FIG. 1; FIG. 5 is a cross-sectional view of the manifold shown in FIG. 1; FIG. 6 is a schematic view of the connector shown in FIG. 1; FIG. 7 is a cross-sectional view of the connector shown in FIG. 6; fig. 8 is a partial schematic structural view of the second stirring shaft shown in fig. 1.
A preparation system of a compound carbon source formula for high-biochemical-rate sewage treatment comprises: a bottom case 1;
the upper side box 2 is fixedly arranged at the top of the bottom box 1, a box cover 3 is arranged at the top of the upper side box 2, and a stirring mechanism 4 is fixedly arranged on the box cover 3;
the splitter plate 5 is arranged on the upper side of the inside of the bottom box 1, the splitter plate 5 comprises a plate body 51, transverse connecting grooves 52 are formed in two sides of the plate body 51, a plurality of strip-shaped through holes 54 are formed in the plate body 51 and located between the two transverse connecting grooves 52, the two transverse connecting grooves 52 are communicated through a plurality of communicating grooves 55, liquid guide grooves 56 are obliquely formed in two sides of the inner wall of the communicating grooves 55, and the liquid guide grooves 56 are communicated with the lower side of the inner wall of the strip-shaped through holes 54;
the mixing box 6 is arranged in the upper side box 2 and is positioned on the upper side of the flow dividing plate 5, the mixing box 6 comprises a box body 61, a plurality of strip-shaped discharging holes 63 are formed in the bottom of the inner wall of the box body 61, the strip-shaped discharging holes 63 correspond to the strip-shaped through holes 54 in position, and a sealing assembly 7 is arranged in the mixing box 6;
the two material conveying mechanisms 9 are respectively arranged on two sides of the upper side box 2, and the material conveying mechanisms 9 are communicated with one side of the flow dividing plate 5.
The width of the strip-shaped through holes 54 is preferably 4-6 mm, and the number is specifically set according to the size of the whole equipment;
the strip-shaped discharging holes 63 correspond to the size, the number and the positions of the strip-shaped through holes 54, and by obliquely arranging the liquid guide groove 56, pasty starch can be prevented from flowing into the communicating groove 55 through the liquid guide groove 56;
the front side of the bottom box 1 is provided with a box door, the inner side of the box door is provided with a sealing strip, tightness is guaranteed, and the box cover 3 and the upper side box are preferably fixed through a buckle, so that the box cover 3 is conveniently opened.
The two sides of the bottom of the inner wall of the box 61 are provided with strip-shaped placing grooves 62, and the two sides of the inner wall of the strip-shaped discharging hole 63 are communicated with the strip-shaped placing grooves 62.
When the sealing assembly 7 is correspondingly installed with the box body 61, the two connecting strips 71 are correspondingly arranged inside the main two strip-shaped placing grooves 62, wherein the two sides of the bottom of the sealing plate 72 are respectively provided with an inclined surface, and after the sealing assembly 7 moves upwards, the inclined surfaces can guide the fluid starch.
The sealing assembly 7 comprises two connecting strips 71, a plurality of sealing plates 72 are fixedly connected between the two connecting strips 71 at equal intervals, sealing gaskets 73 are fixedly connected to two sides of each sealing plate 72 in an adhering mode, and annular connecting plates 75 are fixedly connected to the tops of the sealing plates 72 through connecting rods 74.
The sealing of the sealing plate 72 to the strip-shaped discharge hole 63 is ensured by the provision of the gasket 73.
The annular connecting plate 75 is in transmission connection with the box cover 3 through a positioning assembly 8, the positioning assembly 8 comprises a nut 81, the nut 81 is fixedly installed on the top of the box cover 3, and a threaded rod 82 is connected with the internal thread of the nut 81.
The positioning assemblies 8 are preferably provided in two and symmetrically arranged on the case cover 3.
One end of the threaded rod 82 penetrates through the case cover 3 and extends to the lower side of the case cover 3, and the bottom end of the threaded rod 82 is rotatably connected with the top of the annular connecting plate 75 through a rotating member 83.
The rotating member 83 includes a circular fixed cylinder fixed to the annular connecting plate 75 by screws, a circular block is provided in the center fixed cylinder, and one end of the threaded rod 82 penetrates through the circular fixed cylinder and is fixedly connected to the circular block, thereby forming an annular fit.
The feeding mechanism 9 comprises a liquid storage barrel 91, a hose 92 is communicated with the bottom of the liquid storage barrel 91, one end of the hose 92 is connected with a liquid inlet pipe 93, threaded connection holes 53 are formed in two sides of the flow dividing plate 5, and one end of the liquid inlet pipe 93 is in threaded connection with the threaded connection holes 53.
One end of the liquid inlet pipe 93 is provided with threads matched with the threaded connection holes 53 on two sides of the flow dividing plate 5, an annular groove is formed in the outer side of the threaded connection holes 53 on the flow dividing plate 5, and a sealing ring is bonded inside the annular groove, so that the tightness between the liquid inlet pipe 93 and the flow dividing plate 5 is improved.
The stirring mechanism 4 comprises a motor 41, the motor 41 is fixedly arranged at the top of the box cover 3, one end of an output shaft of the motor 41 is fixedly connected with a first stirring shaft 42 through a coupling, one end of the first stirring shaft 42 positioned inside the bottom box 1 is fixedly provided with a second stirring shaft 43 through a connecting piece 11, and both sides of the surfaces of the first stirring shaft 42 and the second stirring shaft 43 are respectively provided with stirring blades 44.
One end of the first stirring shaft 42 penetrates the mixing box 6 and the flow dividing plate 5 to extend into the bottom box 1, and an assembly hole is correspondingly formed in the center of the mixing box 6 and the center of the flow dividing plate 5.
The connecting piece 11 comprises a connecting head 111, a circular hole 112 is formed in the bottom end of the connecting head 111, an inlet hole 113 is symmetrically formed in two sides of the inner wall of the circular hole 112, an arc-shaped groove 114 is formed in one side of the inner wall of the inlet hole 113, a positioning groove 115 is formed in one side of the inner wall of the arc-shaped groove 114, and a hemispherical rubber pad 116 is fixedly connected to the inner portion of the circular hole 112 in an adhesive bonding mode.
Two arc grooves 114 are anticlockwise arranged on one side of the inner walls of the two inlets 113, and the hemispherical rubber cushion 116 is preferably made of rubber, and can limit the fixed block 13 by arranging the positioning groove 115 and matching with the hemispherical rubber cushion 116, so that the axial direction between the second stirring shaft 43 and the first stirring shaft 42 can be positioned, and the fixation is more stable.
The top of the second stirring shaft 42 is fixedly connected with a positioning shaft 12, and both sides of the surface of the positioning shaft 12 are fixedly connected with fixed blocks 13.
The invention provides a compound carbon source formula for high-biochemical-rate sewage treatment and a preparation system thereof, and the working principle of the compound carbon source formula is as follows:
firstly, placing starch weighed according to mass components into an upper side box 2, adding corresponding hot water at 70-100 ℃, covering a box cover 3 on the upper side box 2 correspondingly, starting a motor 41, driving a stirring blade 44 to rotate, and fully stirring the starch and the hot water into paste;
then placing chemical catalyst into the liquid storage barrels 91 at two sides of the upper side box 2, screwing two driving handles 84 anticlockwise, driving the handles 84 to drive the threaded rods 82 to rotate and the nuts 81 to move upwards, simultaneously driving the annular connecting plates 75 to move upwards, driving the connecting strips 71 to move upwards through the connecting rods 74 by the annular connecting plates 75, and driving the sealing plates 72 to move out from the strip-shaped discharging holes 63 at the bottom of the mixing box 6, wherein pasty starch flows downwards through the strip-shaped discharging holes 63, and the pasty starch is split into a plurality of small strands through the strip-shaped discharging holes 63;
simultaneously, a valve at the outlet of the liquid storage barrel 91 is opened, catalyst solution in the liquid storage barrel 91 enters the transverse connecting groove 52 in the flow dividing plate 5 through the liquid inlet pipe 93 by virtue of the hose 92, then the transverse connecting groove 52 sequentially flows into the communicating groove 55 and flows out through the inclined liquid guide groove 56, at the moment, the flowing catalyst contacts small strands of paste-like starch which flows downwards after being divided, so that the extrusion area of the paste-like starch and the catalyst is increased, meanwhile, the motor 41 drives the stirring blade 44 to rotate, and the paste-like starch contacted with the catalyst is continuously stirred, so that the contact area between the starch and the catalyst is greatly increased, and the reaction speed is increased;
after the complete reaction, the reacted materials can be discharged through the discharge pipe 10 and then can be added into the mixing box 6 again, and other chemical agents can be added into the liquid storage barrel 91 in the same way to perform the mixing reaction again, so that the overall reaction speed is improved;
when not in use, the driving handle 84 can be reversely rotated, so that the threaded rod 82 is driven to move downwards, the sealing assembly 7 is driven to move downwards, the sealing plate 72 is embedded into the strip-shaped through hole 54, and the bottom of the mixing box 6 is sealed;
after the use, the door at the front side of the bottom box 1 can be opened, then the second stirring shaft 43 is lifted up, the second stirring shaft 43 drives the positioning shaft 12 to push up the hemispherical rubber block 116, the fixed block 13 moves out of the positioning groove 115, the second stirring shaft 43 is rotated along the pointer at the moment, the fixed block 13 is driven to move to correspond to the inlet 113, and the second stirring shaft 43 can be detached from the first stirring shaft 42 at the moment;
the second stirring shaft 43 can then be taken out, the box cover 3 is detached, the box cover 3 is communicated with the stirring mechanism and the sealing assembly 7 to be taken out of the upper box 2, the mixing box 6 can be taken out, the liquid inlet pipe 93 and the flow distribution plate 5 are separated, and the flow distribution plate 5 can be taken out at the moment, so that the equipment is convenient to clean, overhaul and replace, and the use is convenient.
Compared with the related art, the compound carbon source formula for high-biochemical-rate sewage treatment and the preparation system thereof have the following beneficial effects:
through the arrangement of the flow dividing plate 5 and the communication with the two material conveying mechanisms 9, when the pasty starch is divided into a plurality of small strands through the plurality of strip-shaped discharge holes 63 and passes through the strip-shaped through holes 54, chemical agents such as catalysts in the liquid storage barrel 91 can flow out through the liquid guide groove 56 through the communication groove 55 to be contacted with the pasty starch for dividing the plurality of small strands, so that the contact area between the chemical agents and the starch is greatly increased, and meanwhile, the stirring blades are matched for stirring the pasty starch, so that the reaction speed between the starch and the chemical agents is improved, and the reaction is more sufficient;
after the reaction is completed, the stirring mechanism 4, the mixing box 6 and the flow dividing plate 5 can be detached in sequence, so that the stirring mechanism is convenient to clean, overhaul and replace, and the operation is simple and convenient.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The preparation system of the compound carbon source formula for high-biochemical-rate sewage treatment is characterized by comprising the following components: a bottom box;
the upper side box is fixedly arranged at the top of the bottom box, the top of the upper side box is provided with a box cover, and a stirring mechanism is fixedly arranged on the box cover;
the flow dividing plate is arranged on the upper side of the inside of the bottom box and comprises a plate body, transverse connecting grooves are formed in two sides of the plate body, a plurality of strip-shaped through holes are formed in the plate body and located between the two transverse connecting grooves, the two transverse connecting grooves are communicated through a plurality of communicating grooves, liquid guide grooves are obliquely formed in two sides of the inner wall of the communicating groove, and the liquid guide grooves are communicated with the lower sides of the inner wall of the strip-shaped through holes;
the mixing box is arranged in the upper box and is positioned on the upper side of the flow dividing plate, the mixing box comprises a box body, a plurality of strip-shaped discharging holes are formed in the bottom of the inner wall of the box body, the strip-shaped discharging holes correspond to the strip-shaped through holes in position, and a sealing assembly is arranged in the mixing box;
the two material conveying mechanisms are respectively arranged at two sides of the upper side box and are communicated with one side of the flow dividing plate;
the sealing assembly comprises two connecting strips, a plurality of sealing plates are fixedly connected between the two connecting strips at equal intervals, sealing gaskets are fixedly connected to two sides of each sealing plate in an adhesive mode, and annular connecting plates are fixedly connected to the tops of the sealing plates through connecting rods;
the material conveying mechanism comprises a liquid storage barrel, a hose is communicated with the bottom of the liquid storage barrel, one end of the hose is connected with a liquid inlet pipe, threaded connecting holes are formed in two sides of the flow dividing plate, and one end of the liquid inlet pipe is in threaded connection with the threaded connecting holes;
the stirring mechanism comprises a motor, the motor is fixedly arranged at the top of the box cover, one end of an output shaft of the motor is fixedly connected with a first stirring shaft through a coupler, one end of the first stirring shaft positioned in the bottom box is fixedly provided with a second stirring shaft through a connecting piece, and stirring blades are arranged on two sides of the surfaces of the first stirring shaft and the second stirring shaft;
the formula of the Gao Shenghua-rate composite carbon source for sewage treatment comprises the following components: saccharide substances, a hydrolysis catalyst, acetic acid, polyhydroxyalkanoates, vitamins, trace elements and water;
wherein, 30-40 parts of the saccharide, 5-10 parts of the hydrolysis catalyst, 3-5 parts of acetic acid, 1-5 parts of polyhydroxyalkanoate, 0.5-5 parts of vitamin, 0.5-1.0 parts of trace elements and the balance of water;
wherein the saccharide is starch.
2. The system for preparing the compound carbon source formula for high-biochemical-rate sewage treatment according to claim 1, wherein strip-shaped placing grooves are formed in two sides of the bottom of the inner wall of the box body, and two sides of the inner wall of the strip-shaped discharging hole are communicated with the strip-shaped placing grooves.
3. The system for preparing a composite carbon source formula for high-biochemical-rate sewage treatment according to claim 1, wherein the annular connecting plate is in transmission connection with the tank cover through a positioning assembly, the positioning assembly comprises a nut, the nut is fixedly installed on the top of the tank cover, and the internal thread of the nut is connected with a threaded rod.
4. The system for preparing a composite carbon source formulation for high biochemical wastewater treatment according to claim 3, wherein one end of the threaded rod penetrates through the tank cover and extends to the lower side of the tank cover, and the bottom end of the threaded rod is rotatably connected with the top of the annular connecting plate through a rotating member.
5. The preparation system of a composite carbon source formula for high-biochemical-rate sewage treatment according to claim 1, wherein the connecting piece comprises a connector, a circular hole is formed in the bottom end of the connector, access holes are symmetrically formed in two sides of the inner wall of the circular hole, an arc-shaped groove is formed in one side of the inner wall of the access hole, a positioning groove is formed in one side of the inner wall of the arc-shaped groove, and a hemispherical rubber mat is fixedly connected in the circular hole in an adhesive mode.
6. The system for preparing a composite carbon source formula for high-biochemical-rate sewage treatment according to claim 5, wherein a positioning shaft is fixedly connected to the top of the second stirring shaft, and fixing blocks are fixedly connected to both sides of the surface of the positioning shaft.
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| CN108585222B (en) * | 2018-05-17 | 2020-02-18 | 神美科技有限公司 | Multi-core composite carbon source for enhanced denitrification of sewage treatment |
| CN111908590A (en) * | 2020-07-13 | 2020-11-10 | 淮南市天旭环保材料工程有限公司 | Preparation method and preparation equipment of carbon source for sewage denitrification process |
| CN112239274A (en) * | 2020-10-12 | 2021-01-19 | 德州万达环保科技有限公司 | Composite carbon source for enhanced denitrification of sewage treatment and preparation technology |
| CN112717765A (en) * | 2020-12-24 | 2021-04-30 | 宁夏龙江化工科技有限公司 | Novel raw material proportioning device for producing composite carbon source |
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Denomination of invention: A composite carbon source formula and preparation system for high biochemical rate wastewater treatment Effective date of registration: 20231213 Granted publication date: 20230512 Pledgee: Bank of China Chaohu Branch Pledgor: Anhui Keling Water Treatment Technology Co.,Ltd. Registration number: Y2023980071106 |