CN115403088A - Fertilizer coating agent production sewage treatment device - Google Patents
Fertilizer coating agent production sewage treatment device Download PDFInfo
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- CN115403088A CN115403088A CN202211352601.XA CN202211352601A CN115403088A CN 115403088 A CN115403088 A CN 115403088A CN 202211352601 A CN202211352601 A CN 202211352601A CN 115403088 A CN115403088 A CN 115403088A
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- sewage
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- liquid
- medicine
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- 239000010865 sewage Substances 0.000 title claims abstract description 190
- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- 239000003337 fertilizer Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 172
- 239000003814 drug Substances 0.000 claims abstract description 154
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 229940079593 drug Drugs 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 30
- 230000003434 inspiratory effect Effects 0.000 abstract description 5
- 238000002144 chemical decomposition reaction Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 14
- 230000009471 action Effects 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
- B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the technical field of sewage treatment equipment, and discloses fertilizer coating agent production sewage treatment equipment which comprises a vertical shell, a driving motor, a sewage cavity and a medicine cavity, wherein the vertical shell is longitudinally installed, the driving motor is installed on one side of the upper end surface of the vertical shell, and the sewage cavity and the medicine cavity are longitudinally arranged side by side. This fertilizer coating agent production sewage treatment device, the connecting rod axle journal that utilizes symmetry setting in same bent axle is when rotating, the motion effect that motion direction is opposite totally to two reciprocating piston structure formation, inhaled when sewage, liquid medicine can sneak into inspiratory sewage with the form of pressure, can make the medicine mix with sewage with the form of impact, the mixed effect of medicine with sewage has effectively been improved, and simultaneously, when sewage mixture outwards discharges with the form of pressure, liquid medicine is inhaled simultaneously in the medicine chamber, realize sustainable medicine and sewage mixing, the efficiency of sewage chemical degradation is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to sewage treatment equipment for fertilizer coating agent production.
Background
When the fertilizer coating agent is produced, a large amount of sewage is produced, the sewage contains a large amount of high-molecular-weight chemical pollutants, and the sewage in the production process of the fertilizer coating agent needs to be treated, so that a sewage treatment device is needed, the sewage treatment device is used for treating the sewage, and if the reliable sewage treatment is not carried out, the environment is seriously polluted; the existing sewage treatment device can only remove impurities in sewage, but is difficult to remove substances of chemical components in the sewage.
Chinese patent publication No. CN206645880U discloses a dosing type sewage stirring treatment device, the main structure of which comprises a shell, wherein a stirring mechanism is fixedly connected to the upper surface of the shell, one end of the stirring mechanism extends into the shell, a positioning mechanism is arranged on the stirring mechanism, a cleaning mechanism is fixedly connected to the upper surface of the shell, one part of the cleaning mechanism is positioned in the shell, an inclined plate is fixedly connected in the shell, cover plates are respectively arranged at the left side surface and the right side surface of the shell corresponding to the positions of the inclined plate, the cover plates are positioned at the upper side of the inclined plate, a filter screen is embedded on the upper surface of the inclined plate, racks are respectively and fixedly connected to the front side and the rear side of the upper surface of the inclined plate, a flow guide plate is fixedly connected to the lower surface of the inner wall of the shell, the flow guide plate is triangular, a drain pipe is communicated with the left side surface of the shell, a valve is arranged on the drain pipe, and sewage is poured into the shell during working, impurities are attached to the filter screen in the filtering process, after filtering is completed, the cover plate is opened, the second slide bar is pulled to drive the positioning plate to move left and right, the positioning plate can drive the cleaning roller to move left and right to adjust the position, the cleaning roller can rotate when moving under the action of the gear and the rack, meanwhile, the cleaning roller can quickly clean the filter screen, the impurities on the filter screen can be cleaned out from two outlets, the quick cleaning of the filter screen is completed, clear water is injected into the hollow second slide bar and enters the communicating pipe through the hose, at the moment, the water in the communicating pipe is sprayed out through a plurality of nozzles, the washing of the filter screen is completed, a better cleaning effect is achieved, the comb needle can comb the bristles on the cleaning roller to comb the impurities on the bristles, the impurities on the bristles are combed, and when the stirring rod needs to be cleaned, the top plate can move left and right to adjust the position of the stirring rod under the action of the T-shaped block and the T-shaped groove, the backup pad can rotate under the round pin axle effect, and the position that can adjust the motor this moment lets the puddler remove and leaves the casing, and the workman can be convenient at last clears up the puddler.
Above-mentioned add medicine formula sewage stirring treatment device is in the course of the work, through setting up rabbling mechanism, and wherein the motor during operation can drive the puddler rotation through first pivot, and the puddler rotation can stir the sewage in the casing, reaches sewage treatment's effect.
However, as can be understood from the above complete description, when the above apparatus is used for treating chemical substances in sewage, the chemical substances are degraded by introducing the chemicals and the sewage together around the stirring mechanism, and then the chemicals and the sewage are uniformly mixed in the treatment space in a stirring manner, so that the chemical substances are degraded by reaction, because a large amount of chemicals and the sewage are added simultaneously, the movement state of the chemicals in a large amount of sewage is limited, and because the stirring mechanism cannot rotate rapidly in a large amount of sewage mixture (because the liquid content is large, the sewage and the chemicals are splashed due to the too fast rotating and stirring of the stirring mechanism), the time consumed in the treatment process is relatively long, and meanwhile, when a small amount of chemicals is mixed with a large amount of sewage in a stirring state, the small amount of chemicals is difficult to be uniformly mixed into the sewage, and therefore, the degradation effect of the chemicals is relatively low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fertilizer coating agent production sewage treatment device, which has the advantages that when connecting rod journals symmetrically arranged in the same crankshaft rotate, the movement directions formed by two reciprocating piston structures are completely opposite, when sewage is sucked, liquid medicine can be mixed into the sucked sewage in a pressure mode, the medicine can be mixed with the sewage in an impact mode, the mixing effect of the medicine and the sewage is effectively improved, meanwhile, when the sewage mixture is discharged outwards in a pressure mode, the liquid medicine is sucked into a medicine cavity, sustainable medicine and sewage mixing is realized, the degradation efficiency of sewage chemicals is improved, and the technical problem is solved.
In order to achieve the purpose, the invention provides the following technical scheme: a fertilizer coating agent production sewage treatment device comprises a vertical shell, a driving motor, a sewage cavity, a drug cavity, a first limiting cavity, a second limiting cavity, a sewage injection hole and a drug injection hole, wherein the vertical shell is longitudinally installed, the driving motor is installed on one side of the upper end face of the vertical shell, the sewage cavity and the drug cavity are longitudinally arranged side by side, the upper end face of the vertical shell is provided with an opening, the first limiting cavity and the second limiting cavity are respectively arranged at the centers of the lower ends of the sewage cavity and the drug cavity, the sewage injection hole is used for enabling sewage to enter the bottom end of the first limiting cavity from bottom, the drug injection hole is used for enabling drugs to enter the bottom end of the second limiting cavity from bottom, the fertilizer coating agent production sewage treatment device further comprises a crankshaft structure, a reciprocating piston structure, two longitudinal liquid one-way flowing structures, a universal connecting structure, a drug discharge hole, a sewage discharge hole and two horizontal liquid one-way flowing structures, wherein a main connecting plate of the crankshaft structure is connected with a rotor end of the driving motor, and the driving the crankshaft structure to rotate around an axial lead of the rotor end; the two reciprocating piston structures are respectively arranged in the sewage cavity and the medicine cavity and can correspondingly reciprocate along the axial direction of the sewage cavity and the medicine cavity; the auxiliary connecting plate of the universal connecting structure is fixedly arranged in the plate body mounting groove in the reciprocating piston structure through a bolt, and a plug of the universal connecting structure is connected with the middle part of the circumferential surface of a rotating sleeve in the crankshaft structure through a movable rod; the two longitudinal liquid one-way flowing structures are correspondingly arranged inside the sewage injection hole and the liquid medicine injection hole, and a main free ball valve inside the longitudinal liquid one-way flowing structures blocks the self-flowing part of the sewage injection hole or the liquid medicine injection hole under the self-gravity; the liquid medicine discharge hole is arranged between the first limiting cavity and the second limiting cavity and is used for allowing liquid medicine to enter the first limiting cavity from the second limiting cavity; the sewage discharge hole is arranged on one side of the second limiting cavity and is used for discharging the mixture of the sewage and the medicines from the second limiting cavity outwards; two horizontal liquid one-way flow structures are correspondingly arranged in the liquid medicine discharge hole and the sewage discharge hole, and the auxiliary free ball valve in the horizontal liquid one-way flow structure blocks the sewage injection hole or the self-flowing part of the liquid medicine injection hole under the self-gravity.
Through above-mentioned technical scheme, the connecting rod axle journal that the symmetry set up in utilizing same bent axle when rotating, the motion effect that the direction of motion is opposite completely to two reciprocating piston structure formation, when sewage is inhaled, liquid medicine can sneak into in the inspiratory sewage under the effect of pressure, can make medicine mix with sewage with the form of impact, the mixing effect of medicine with sewage has effectively been improved, and simultaneously, when sewage mixture outwards discharges under the pressure effect, liquid medicine is inhaled in the medicine chamber simultaneously, realize the sustainability of medicine and sewage and mix, the efficiency of sewage chemical degradation is improved.
Preferably, the depth of the sewage cavity is consistent with that of the medicine cavity, the bottom end of the sewage cavity is flush with the top end of the medicine cavity, and the proportion of the volume of the sewage cavity to the volume of the medicine cavity accords with the proportion of the sewage amount to the liquid medicine amount required by degradation.
Through the technical scheme: after the medicine and the sewage are mixed, the proportion control between the medicine and the sewage can be realized when the sewage is sucked and discharged every time, so that the medicine can achieve the maximum degradation effect.
Preferably, universal connection structure includes that vice connecting plate and a terminal surface are provided with the spheroid of plug, a terminal surface center of vice connecting plate is provided with the hemispherical shell of integral type structure, the inside of hemispherical shell is provided with one end open-ended hemisphere chamber, hemispherical shell is provided with annular inner groove at the horizontal position that is located hemisphere chamber central plane, the inside in hemisphere chamber can be laid to the spheroid seamlessly, and the periphery is provided with the annular bulge structure that corresponds and insert to annular inner groove inside, hemisphere chamber is less than spheroidal diameter at the structural radius of opening position, and hemisphere chamber's structural radius is the same with spheroidal structural radius, annular inner groove cross section's structural dimension is the same with the structural dimension of annular bulge structural cross section.
Through above-mentioned technical scheme, when can playing the connection effect, because the spheroid can rotate in hemispherical cavity inside for annular protruding structure only can rotate in annular inner groovy inside, consequently, the spheroid only can freely rotate on the basis that the horizontal plane is the benchmark in hemispherical cavity inside, and this rotation makes the movable rod can carry out the angularly variable rotation of deciding the angle, and is variable for the horizontal plane, in order to produce more stable centre gripping effect.
Preferably, the crankshaft structure includes the main connecting plate with driving motor rotor end fixed connection, the one end of main connecting plate sets up a bent axle, be provided with first right angle crank throw and second right angle crank throw in the bent axle, the rod journal in the rod journal of first right angle crank throw and the rod journal in the second right angle crank throw are around the central line dislocation symmetry setting of bent axle main journal in the bent axle, the rod journal in the rod journal of first right angle crank throw and the rod journal in the second right angle crank throw correspond respectively through the bearing and install a first rotatory sleeve and the second rotatory sleeve that can relatively rotate, the periphery middle part of first rotatory sleeve and second rotatory sleeve respectively with the top fixed connection of two movable rods, the bottom embedding of movable rod is fixed with the plug, the one end of bent axle is installed in the plate body of fixed riser through the bearing.
Through above-mentioned technical scheme, when the bent axle is rotatory along with driving motor, vertical opposite motion effect can be made to the connecting rod axle journal in first right angle crank throw and the second right angle crank throw to under a driving motor's effect, to the motion effect that the direction of motion that two reciprocating piston structures formed is opposite totally, when sewage was inhaled, liquid medicine can be sneaked into in the inspiratory sewage under the effect of pressure, make medicine mix with sewage with the form of impact, can effectively improve the mixed effect of medicine and sewage. Meanwhile, when the sewage mixture is discharged outwards under the action of pressure, the liquid medicine is sucked into the medicine cavity at the same time, and sustainable mixing of the medicine and the sewage is realized.
Preferably, the reciprocating piston structure comprises a piston body with a structure radius respectively matched with the structure radius of the sewage cavity and the structure radius of the medicine cavity, a sealing ring is clamped on the circumferential surface of the piston body, an inwards concave type plate body mounting groove is formed in the upper end surface of the piston body, a bolt hole is formed in the plate body mounting groove, an auxiliary connecting plate is placed in the plate body mounting groove, and the auxiliary connecting plate is fixed through a bolt screwed into the bolt hole.
Through above-mentioned technical scheme, under the effect of piston body at the movable rod, when producing ascending motion, because the space increase of piston body below, its inside atmospheric pressure reduces thereupon, can inhale the inside in medicine chamber and sewage chamber respectively with liquid medicine or sewage, realize the injection of liquid, when the piston body is under the effect of movable rod, when producing decurrent motion, can make liquid medicine or sewage pass through medicine chamber and sewage chamber outwards with highly compressed form respectively and discharge, the mixed effect between liquid medicine and the sewage is made things convenient for to highly compressed flow mode.
Preferably, the longitudinal liquid one-way flow structure comprises a main rectangular hollow block which is placed in the vertical shell in a side sealing mode, a main spherical cavity is arranged in the center of the main rectangular hollow block, a main liquid inlet hole with a smaller structural radius than that of the main spherical cavity is formed in the center of the bottom of the main spherical cavity, a main liquid discharge hole with a smaller structural radius than that of the main spherical cavity is formed in the center of the bottom of the main spherical cavity, a main free ball valve with a smaller structural radius than that of the main spherical cavity and a larger structural radius than that of the main liquid inlet hole and the main liquid discharge hole is placed in the main spherical cavity, one end of the main liquid inlet hole is communicated with the bottom central structure of the main spherical cavity, the other end of the main liquid inlet hole is communicated with the upper surface central structure of the main rectangular hollow block, a port in the main liquid inlet hole, which is communicated with the bottom surface center of the main rectangular hollow block, is communicated with a lower section through hole structure of a sewage injection hole or a liquid medicine injection hole, and a port in the main liquid discharge hole which is communicated with the upper surface center of the main rectangular hollow block is communicated with the upper section through hole.
Through the technical scheme: when liquid medicine or sewage are through main feed liquor hole at inspiratory in-process, main free ball valve is pushed open under the pressure action, this moment, liquid medicine or sewage can get into the inside in the spacing chamber of second or first spacing chamber through main spherical chamber, realize the normal entering process of liquid, when liquid medicine or sewage are outwards discharged under receiving the pressure action, main free ball valve is under self gravity and top pressure action, the tip at main feed liquor hole is stopped up, prevent that the liquid in medicine chamber and the sewage chamber from passing through main spherical chamber backward flow to initial position, form directional flow, simultaneously, because the device simple structure, and control unit is the ball valve, therefore, can bear great pressure.
Preferably, the horizontal liquid one-way flow structure comprises an auxiliary rectangular hollow block, the side surface of the auxiliary rectangular hollow block is hermetically placed in the interior of the vertical shell, an auxiliary spherical cavity is arranged in the center of the auxiliary rectangular hollow block, an auxiliary liquid inlet hole with a smaller structural radius than that of the auxiliary spherical cavity is arranged in the center of the bottom of the auxiliary spherical cavity, an auxiliary liquid discharge hole with a smaller structural radius than that of the auxiliary spherical cavity is arranged in the center of the bottom of the auxiliary spherical cavity, an auxiliary free ball valve with a smaller structural radius than that of the auxiliary liquid inlet hole and the auxiliary liquid discharge hole is arranged in the auxiliary spherical cavity, one end of the auxiliary liquid inlet hole is communicated with the bottom central structure of the auxiliary spherical cavity, the other end of the auxiliary liquid inlet hole is communicated with the one-side central structure of the auxiliary rectangular hollow block, one end of the auxiliary liquid inlet hole is communicated with the top central structure of the auxiliary spherical cavity, the other end of the auxiliary liquid inlet hole is communicated with the liquid medicine discharge hole or the left horizontal section through hole structure of the sewage discharge hole, and the other end of the auxiliary liquid inlet hole is communicated with the right horizontal section through hole of the liquid medicine discharge hole or the sewage discharge hole.
Through the technical scheme, when liquid medicine or sewage are through vice feed liquor hole at the in-process of discharging, vice free ball valve is pushed up under the pressure action, at this moment, liquid medicine or sewage can outwards discharge through vice spherical chamber through second spacing chamber or first spacing chamber, realize the normal discharge process of liquid, when liquid medicine or sewage outwards discharge under receiving the pressure action, vice free ball valve is under self gravity and top pressure action, the tip of jam in vice feed liquor hole, prevent that liquid in medicine chamber and the sewage chamber from flowing back to initial position through vice spherical chamber, form directional flow, and simultaneously, because the device simple structure, and control unit is the ball valve, therefore, can bear great pressure.
Preferably, the vertical shell is located the internally mounted liquid medicine of first spacing chamber and is washed the structure into, the liquid medicine is washed the structure into and is included the cross section structure radius for the less hollow cylinder of first spacing chamber cross section structure radius, the inside of hollow cylinder is provided with inclosed liquid medicine and reserves the chamber, the periphery that the chamber was reserved to the liquid medicine is through setting up a plurality of orifices and the surrounding environment intercommunication in hollow cylinder circumference wall department, solid dead lever and the hollow dead lever that the symmetry set up are installed to the periphery bottom of hollow cylinder, the tip fixed mounting of solid dead lever and hollow dead lever is in the circumference inner wall department of first spacing chamber, and leave the gap that is used for sewage to flow between the top of hollow cylinder and sewage filling hole, the inside of hollow dead lever is provided with the liquid medicine transfer hole that communicates liquid medicine reservation chamber and liquid medicine discharge hole discharge port.
Through above-mentioned technical scheme, after the liquid medicine gets into to the liquid medicine reservation intracavity portion, under the basis that the high pressure was carried, shift the hole through the liquid medicine and spray to around and go out, and sewage is because under the pressure that atmospheric pressure caused, along the gap upward movement around the hollow cylinder, and sewage can meet the liquid medicine of spraying when moving in the gap to make both can fully mix the income formula motion, accelerate mixed effect.
Preferably, the vertical housing is provided with a spiral mixing structure at a discharge port located in the sewage discharge hole, the spiral mixing structure comprises a mixture discharge pipeline body, one end of the mixture discharge pipeline body is provided with a connecting plate structure fixedly mounted on the side surface of the vertical housing, a discharge space for discharging the sewage mixture is arranged inside the mixture discharge pipeline body, a horizontal guide rod is arranged at the center of the discharge space, and the circumferential surface of the horizontal guide rod is provided with a spiral blade structure in the horizontal direction.
Through above-mentioned technical scheme, when sewage mixture enters into the discharge space inside under the high-pressure effect, the gap that the mixture can follow between the helical blade structure moves forward, at the motion in-process, because the motion route constantly changes, can effectively accelerate the mixed effect between liquid medicine and the sewage to accelerate the chemical reaction between the two, form the degradation effect.
Compared with the prior art, the invention provides a fertilizer coating agent production sewage treatment device, which has the following beneficial effects:
this fertilizer coating agent production sewage treatment device, the connecting rod axle journal that utilizes symmetry to set up in same bent axle when rotating, the motion effect that the direction of motion that forms two reciprocating piston structures is opposite completely, when sewage is inhaled, liquid medicine can sneak into inspiratory sewage with the form of pressure, can make the medicine mix with sewage with the form of impact, the mixed effect of medicine with sewage has effectively been improved, and simultaneously, when sewage mixture outwards discharges with the form of pressure, liquid medicine is inhaled in the medicine chamber simultaneously, realize sustainable medicine and sewage mixing, the efficiency of sewage chemical degradation is improved.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is an exploded perspective view of the gimbal assembly of the present invention;
FIG. 3 is a perspective view of a crankshaft structure according to the present invention;
FIG. 4 is a perspective view of a reciprocating piston arrangement according to the present invention;
FIG. 5 is a perspective cross-sectional view of a longitudinal liquid one-way flow structure in accordance with the present invention;
FIG. 6 is a perspective sectional view of a horizontal one-way liquid flow structure according to the present invention;
FIG. 7 is a perspective sectional view showing a structure for introducing the liquid medicine of the present invention;
fig. 8 is a perspective cross-sectional view of a spiral mixing structure in the present invention.
Wherein: 1. a vertical housing; 2. a sewage chamber; 3. a drug cavity; 4. a first limiting cavity; 5. a second limiting cavity; 6. a drive motor; 7. a universal connection structure; 71. a secondary connecting plate; 72. a hemispherical shell; 73. a hemispherical cavity; 74. an annular inner groove; 75. a sphere; 76. an annular raised structure; 77. a plug; 8. a crankshaft structure; 81. a main connection plate; 82. a crankshaft; 83. a first straight corner bell crank; 84. a second right angle bell crank; 85. a first rotating sleeve; 86. a second rotating sleeve; 9. a movable rod; 10. fixing the vertical plate; 11. a reciprocating piston structure; 111. a piston body; 112. a seal ring; 113. a plate body mounting groove; 114. bolt holes; 12. injecting sewage into the hole; 13. injecting liquid medicine; 14. a longitudinal liquid one-way flow structure; 141. a main rectangular hollow block; 142. a primary spherical cavity; 143. a main free ball valve; 144. a main liquid inlet hole; 145. a main drain hole; 15. a sewage discharge hole; 16. a liquid medicine discharge hole; 17. a horizontal liquid one-way flow structure; 171. a sub-rectangular hollow block; 172. a secondary spherical cavity; 173. an auxiliary free ball valve; 174. an auxiliary liquid inlet hole; 175. a secondary drain hole; 18. the liquid medicine is flushed into the structure; 181. a hollow cylinder; 182. a liquid medicine reserving cavity; 183. a solid fixed rod; 184. a hollow fixing rod; 185. a liquid medicine transfer hole; 186. spraying a hole; 19. a spiral mixing structure; 191. a mixture discharge conduit body; 192. a connection plate structure; 193. a discharge space; 194. a horizontal guide rod; 195. a helical blade structure.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, a fertilizer coating agent production sewage treatment device comprises a vertical housing 1 which is vertically installed, a driving motor 6 which is installed on one side of the upper end face of the vertical housing 1, a sewage chamber 2 and a drug chamber 3 which are provided with openings on the upper end face and are vertically arranged side by side, a first limiting chamber 4 and a second limiting chamber 5 which are respectively arranged at the centers of the lower ends of the sewage chamber 2 and the drug chamber 3, a sewage injection hole 12 which is used for sewage to enter the bottom end of the first limiting chamber 4 from bottom, and a drug liquid injection hole 13 which is used for drug to enter the bottom end of the second limiting chamber 5 from bottom, and a crankshaft structure 8, wherein a main connecting plate 81 of the crankshaft structure 8 is connected with the rotor end of the driving motor 6, and the driving motor 6 drives the crankshaft structure 8 to rotate around the axial lead of the rotor end; the two reciprocating piston structures 11 are respectively arranged in the sewage cavity 2 and the medicine cavity 3 and can correspondingly reciprocate along the axial directions of the sewage cavity 2 and the medicine cavity 3; the auxiliary connecting plate 71 of the universal connecting structure 7 is fixedly arranged in the plate body mounting groove 113 in the reciprocating piston structure 11 through bolts, and the plug 77 of the universal connecting structure 7 is connected with the middle part of the circumferential surface of the rotating sleeve in the crankshaft structure 8 through the movable rod 9; the two longitudinal liquid one-way flowing structures 14 are correspondingly arranged inside the sewage injection hole 12 and the liquid medicine injection hole 13, and the main free ball valve 143 inside the longitudinal liquid one-way flowing structure 14 blocks the self-flowing part of the sewage injection hole 12 or the liquid medicine injection hole 13 under the self-gravity; the liquid medicine discharge hole 16 is arranged between the first limiting cavity 4 and the second limiting cavity 5 and is used for allowing liquid medicine to enter the first limiting cavity 4 from the second limiting cavity 5; the sewage discharge hole 15 is arranged at one side of the second limiting cavity 5 and is used for discharging the mixture of sewage and the medicines from the second limiting cavity 5; two horizontal liquid one-way flow structures 17 are correspondingly installed in the liquid medicine discharge hole 16 and the sewage discharge hole 15, the auxiliary free ball valve 173 in the horizontal liquid one-way flow structure 17 blocks the self-flowing part of the sewage discharge hole 12 or the liquid medicine discharge hole 13 under the self gravity, the depth of the sewage cavity 2 is consistent with that of the medicine cavity 3, the bottom end and the top end of the sewage cavity are correspondingly flush, and the volume ratio of the sewage cavity 2 to the volume ratio of the medicine cavity 3 conforms to the proportion of the sewage amount to the liquid medicine amount required by degradation.
Referring to fig. 1 and 2, the universal connection structure 7 includes a secondary connection plate 71 and a sphere 75 having a plug 77 at one end, a hemispherical shell 72 having an integral structure is disposed at the center of one end of the secondary connection plate 71, a hemispherical cavity 73 having an open end is disposed inside the hemispherical shell 72, the hemispherical shell 72 is provided with an annular inner groove 74 at a horizontal position on the center plane of the hemispherical cavity 73, the sphere 75 can be seamlessly placed inside the hemispherical cavity 73, and an annular protrusion structure 76 is disposed on the circumferential surface of the spherical shell 72 and correspondingly inserted into the annular inner groove 74, the structural radius of the open portion of the hemispherical cavity 73 is smaller than the diameter of the sphere 75, the structural radius of the hemispherical cavity 73 is the same as the structural radius of the sphere 75, and the structural size of the cross section of the annular inner groove 74 is the same as the structural size of the cross section of the annular protrusion structure 76.
Referring to fig. 1 and 3, the crankshaft structure 8 includes a main connecting plate 81 fixedly connected to the rotor end of the driving motor 6, a crankshaft 82 is disposed at one end of the main connecting plate 81, a first right-angle crank throw 83 and a second right-angle crank throw 84 are disposed in the crankshaft 82, a rod journal of the first right-angle crank throw 83 and a rod journal of the second right-angle crank throw 84 are disposed in a staggered and symmetrical manner with respect to a center line of a crankshaft main journal in the crankshaft 82, the rod journal of the first right-angle crank throw 83 and the rod journal of the second right-angle crank throw 84 are respectively and correspondingly provided with a first rotating sleeve 85 and a second rotating sleeve 86 which can rotate relatively through bearings, the middle portions of the circumferential surfaces of the first rotating sleeve 85 and the second rotating sleeve 86 are respectively and fixedly connected to the top ends of the two movable rods 9, a plug 77 is fixedly embedded in the bottom end of the movable rod 9, and one end of the crankshaft 82 is mounted in the plate body of the fixed vertical plate 10 through a bearing.
Referring to fig. 1 and 4, the reciprocating piston structure 11 includes a piston body 111 having a structure radius matched with the structure radius of the sewage chamber 2 and the medicine chamber 3, respectively, a sealing ring 112 is fastened to a circumferential surface of the piston body 111, an inwardly concave plate body mounting groove 113 is formed in an upper end surface of the piston body 111, a bolt hole 114 is formed in the plate body mounting groove 113, a sub-connecting plate 71 is mounted in the plate body mounting groove 113, and the sub-connecting plate 71 is fixed by a bolt screwed into the bolt hole 114.
Referring to fig. 1 and 5, the longitudinal liquid one-way flow structure 14 includes a main rectangular hollow block 141 disposed in the interior of the vertical housing 1 in a side-sealing manner, a main spherical cavity 142 is disposed in the center of the main rectangular hollow block 141, a main liquid inlet hole 144 having a smaller structural radius than that of the main spherical cavity 142 is disposed in the center of the bottom of the main spherical cavity 142, a main liquid discharge hole 145 having a smaller structural radius than that of the main spherical cavity 142 is disposed in the center of the bottom of the main spherical cavity 142, a main free ball valve 143 having a larger structural radius than that of the main liquid inlet hole 144 and the main liquid discharge hole 145 is disposed in the main spherical cavity 142, one end of the main liquid inlet hole 144 is communicated with the bottom central structure of the main spherical cavity 142, the other end is communicated with the bottom central structure of the main rectangular hollow block 141, one end of the main liquid discharge hole 145 is communicated with the top central structure of the main spherical cavity 142, the other end is communicated with the top central structure of the main rectangular hollow block 141, and the main liquid inlet hole 144 is communicated with the upper surface central structure of the main rectangular hollow block 141 or the upper surface of the main rectangular hollow block 141.
Referring to fig. 1 and 6, the horizontal one-way liquid flowing structure 17 includes a sub rectangular hollow block 171 which is placed in the vertical housing 1 in a side sealing manner, a sub spherical cavity 172 is provided at the center of the sub rectangular hollow block 171, a sub liquid inlet hole 174 which has a smaller structural radius than that of the sub spherical cavity 172 is provided at the center of the bottom of the sub spherical cavity 172, a sub liquid outlet hole 175 which has a smaller structural radius than that of the sub spherical cavity 172 is provided at the center of the bottom of the sub spherical cavity 172, a sub free ball valve 173 which has a smaller structural radius than that of the sub liquid inlet hole 174 and a larger structural radius than that of the sub liquid outlet hole 175 is provided inside the sub spherical cavity 172, one end of the sub liquid inlet hole 174 is communicated with the bottom central structure of the sub spherical cavity 172, the other end is communicated with the central structure at one side of the sub rectangular hollow block 171, one end of the sub liquid outlet hole 175 is communicated with the central structure at the top of the sub spherical cavity 172, the other end is communicated with the central structure at the other side of the sub rectangular hollow block 171, a port in the sub liquid inlet hole 174 which is communicated with the central structure at the bottom of the sub rectangular hollow block 171 is communicated with the liquid outlet hole 16 or the left horizontal discharge hole 15 of the liquid outlet hole 15, and the liquid outlet hole 15 at the other side of the horizontal hole 15.
Referring to fig. 1 and 7, a liquid medicine pouring structure 18 is installed inside the first limiting cavity 4 of the vertical housing 1, the liquid medicine pouring structure 18 includes a hollow cylinder 181 with a smaller cross-sectional structure radius relative to the cross-sectional structure radius of the first limiting cavity 4, a sealed liquid medicine reserving cavity 182 is installed inside the hollow cylinder 181, the circumferential surface of the liquid medicine reserving cavity 182 is communicated with the surrounding environment through a plurality of spray holes 186 formed in the circumferential wall of the hollow cylinder 181, solid fixing rods 183 and hollow fixing rods 184 are installed at the bottom of the circumferential surface of the hollow cylinder 181, the ends of the solid fixing rods 183 and the hollow fixing rods 184 are fixedly installed on the circumferential inner wall of the first limiting cavity 4, a gap for sewage to flow is reserved between the hollow cylinder 181 and the top end of the sewage injection hole 12, and a liquid medicine transferring hole 185 for communicating the liquid medicine reserving cavity 182 and the discharge port of the liquid medicine discharge hole 16 is installed inside the hollow fixing rods 184.
Referring to fig. 1 and 8, a spiral mixing structure 19 is installed at a discharge port of the sewage discharge hole 15 of the vertical housing 1, the spiral mixing structure 19 includes a mixture discharge pipe body 191, a connection plate structure 192 for fixedly installing on a side surface of the vertical housing 1 is provided at one end of the mixture discharge pipe body 191, a discharge space 193 for discharging the sewage mixture is provided inside the mixture discharge pipe body 191, a horizontal guide rod 194 is provided at the center of the discharge space 193, and a horizontal helical blade structure 195 is provided at the circumferential surface of the horizontal guide rod 194.
When the device is used, the device is longitudinally suspended and fixed, then, the inlet end of the sewage injection hole 12 or the inlet end of the liquid medicine injection hole 13 are respectively communicated with a sewage pool discharge port and a liquid medicine discharge port for degrading sewage chemical substances, then, the driving motor 6 works, when the crankshaft 82 rotates along with the driving motor 6, connecting rod journals in the first right-angle crank 83 and the second right-angle crank 84 can make longitudinally opposite motion effects, so that motion effects in completely opposite motion directions formed by two reciprocating piston structures are realized under the action of one driving motor 6, when sewage is sucked, liquid medicine can be mixed into sucked sewage in a pressure mode under the action of pressure, the medicine can be mixed with the sewage in an impact mode, the mixing effect of the medicine and the sewage is effectively improved, meanwhile, when the sewage mixture is discharged outwards in a pressure mode, the liquid medicine is simultaneously sucked into a medicine cavity, sustainable medicine and sewage are mixed, and finally, the sewage is discharged outwards after being mixed and degraded.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (10)
1. The utility model provides a fertilizer coating agent production sewage treatment device, including vertical casing (1) of vertical installation, install in driving motor (6) of vertical casing (1) up end one side, up end opening and vertically sewage chamber (2) and medicine chamber (3) that set up side by side, set up respectively in sewage chamber (2) and the spacing chamber of medicine chamber (3) lower extreme center of first spacing chamber (4) and second (5), be used for sewage by entering into down to the sewage filling hole (12) of first spacing chamber (4) bottom and be used for the medicine by entering into liquid medicine filling hole (13) to the spacing chamber of second (5) bottom down, its characterized in that: the device is characterized by further comprising a crankshaft structure (8), a reciprocating piston structure (11), two longitudinal liquid one-way flowing structures (14), a universal connecting structure (7), a liquid medicine discharge hole (16), a sewage discharge hole (15) and two horizontal liquid one-way flowing structures (17), wherein a main connecting plate (81) of the crankshaft structure (8) is connected with a rotor end of a driving motor (6), and the driving motor (6) drives the crankshaft structure (8) to rotate around the axis of the rotor end;
the two reciprocating piston structures (11) are respectively arranged in the sewage cavity (2) and the medicine cavity (3) and can correspondingly reciprocate along the axial directions of the sewage cavity (2) and the medicine cavity (3);
an auxiliary connecting plate (71) of the universal connecting structure (7) is fixedly arranged in a plate body mounting groove (113) in the reciprocating piston structure (11) through a bolt, and a plug (77) of the universal connecting structure (7) is connected with the middle part of the circumferential surface of a rotating sleeve in the crankshaft structure (8) through a movable rod (9);
the two longitudinal liquid one-way flow structures (14) are correspondingly arranged inside the sewage injection hole (12) and the liquid medicine injection hole (13), and a main free ball valve (143) inside the longitudinal liquid one-way flow structure (14) blocks the self-flowing part of the sewage injection hole (12) or the liquid medicine injection hole (13) under the self-gravity;
the liquid medicine discharge hole (16) is arranged between the first limiting cavity (4) and the second limiting cavity (5) and is used for allowing liquid medicine to enter the first limiting cavity (4) from the second limiting cavity (5);
the sewage discharge hole (15) is arranged on one side of the second limiting cavity (5) and is used for discharging the mixture of the sewage and the medicines from the second limiting cavity (5) outwards;
two horizontal liquid one-way flowing structures (17) are correspondingly arranged in the liquid medicine discharge hole (16) and the sewage discharge hole (15), and a secondary free ball valve (173) in the horizontal liquid one-way flowing structure (17) blocks the self flowing part of the sewage injection hole (12) or the liquid medicine injection hole (13) under the self gravity.
2. The fertilizer coating agent production sewage treatment device according to claim 1, characterized in that: the depth of the sewage cavity (2) is consistent with the depth of the medicine cavity (3), the bottom end of the sewage cavity corresponds to the top end of the medicine cavity, and the volume of the sewage cavity (2) and the volume of the medicine cavity (3) are consistent with the proportion of the sewage amount and the liquid medicine amount required by degradation.
3. The fertilizer coating agent production sewage treatment device according to claim 1, characterized in that: the universal connection structure (7) comprises an auxiliary connection plate (71) and a ball body (75) with one end face provided with a plug (77), a hemispherical shell (72) of an integrated structure is arranged at the center of one end face of the auxiliary connection plate (71), a hemispherical cavity (73) with one open end is arranged inside the hemispherical shell (72), an annular inner groove (74) is formed in the horizontal part of the central face of the hemispherical cavity (73) of the hemispherical shell (72), the ball body (75) can be placed inside the hemispherical cavity (73) in a seamless mode, and an annular protruding structure (76) which is inserted into the annular inner groove (74) correspondingly is arranged on the circumferential face of the ball body (75).
4. The fertilizer coating agent production sewage treatment device according to claim 3, characterized in that: the structural radius of the opening part of the hemispherical cavity (73) is smaller than the diameter of the sphere (75), the structural radius of the hemispherical cavity (73) is the same as that of the sphere (75), and the structural size of the cross section of the annular inner groove (74) is the same as that of the cross section of the annular convex structure (76).
5. The fertilizer coating agent production sewage treatment device according to claim 4, wherein: the crankshaft structure (8) comprises a main connecting plate (81) fixedly connected with a rotor end of a driving motor (6), one end of the main connecting plate (81) is provided with a crankshaft (82), a first right-angle crank throw (83) and a second right-angle crank throw (84) are arranged in the crankshaft (82), a connecting rod journal in the first right-angle crank throw (83) and a connecting rod journal in the second right-angle crank throw (84) are arranged in a staggered and symmetrical mode relative to the central line of a crankshaft main journal in the crankshaft (82), the connecting rod journal in the first right-angle crank throw (83) and the connecting rod journal in the second right-angle crank throw (84) are respectively and correspondingly provided with a first rotating sleeve (85) and a second rotating sleeve (86) which can rotate relatively through bearings, the middle circumferential surfaces of the first rotating sleeve (85) and the second rotating sleeve (86) are respectively and fixedly connected with the top ends of two movable rods (9), a plug (77) is embedded into the bottom end of each movable rod (9), and one end of the crankshaft (82) is arranged in a fixed plate body of a fixed vertical plate (10) through a bearing.
6. The fertilizer coating agent production sewage treatment equipment of claim 5, which is characterized in that: the reciprocating piston structure (11) comprises a piston body (111) with the structure radius matched with the structure radius of the sewage cavity (2) and the medicine cavity (3), a sealing ring (112) is clamped on the circumferential surface of the piston body (111), an inward concave type plate body installation groove (113) is formed in the upper end surface of the piston body (111), a bolt hole (114) is formed in the plate body installation groove (113), an auxiliary connecting plate (71) is placed in the plate body installation groove (113), and the auxiliary connecting plate (71) is fixed through a bolt screwed into the bolt hole (114).
7. The fertilizer coating agent production sewage treatment device according to claim 6, wherein: the longitudinal liquid one-way flow structure (14) comprises a main rectangular hollow block (141) which is arranged in the inner part of the vertical shell (1) in a side sealing mode, a main spherical cavity (142) is arranged at the center of the main rectangular hollow block (141), a main liquid inlet hole (144) with a smaller structural radius than that of the main spherical cavity (142) is arranged at the center of the bottom of the main spherical cavity (142), a main liquid outlet hole (145) with a smaller structural radius than that of the main spherical cavity is arranged at the center of the bottom of the main spherical cavity (142), the main spherical cavity (142) is internally provided with a main free ball valve (143) which has a smaller structural radius and a larger structural radius compared with the structural radius of the main liquid inlet hole (144) and the main liquid outlet hole (145), one end of the main liquid inlet hole (144) is communicated with the bottom central structure of the main spherical cavity (142), the other end is communicated with the bottom surface central structure of the main rectangular hollow block (141), one end of the main liquid discharge hole (145) is communicated with the top center structure of the main spherical cavity (142), the other end of the main liquid discharge hole is communicated with the upper surface center structure of the main rectangular hollow block (141), a port in the main liquid inlet hole (144), which is communicated with the bottom surface center of the main rectangular hollow block (141), is communicated with the lower section through hole structure of the sewage injection hole (12) or the liquid medicine injection hole (13), and a port in the main liquid discharge hole (145), which is communicated with the upper surface center of the main rectangular hollow block (141), is communicated with the upper section through hole structure of the sewage injection hole (12) or the liquid medicine injection hole (13).
8. The fertilizer coating agent production sewage treatment equipment of claim 7, which is characterized in that: the horizontal liquid one-way flow structure (17) comprises a secondary rectangular hollow block (171) which is arranged in the vertical shell (1) in a side sealing manner, the center of the secondary rectangular hollow block (171) is provided with a secondary spherical cavity (172), the center of the bottom of the secondary spherical cavity (172) is provided with a secondary liquid inlet hole (174) with a smaller structural radius than the secondary spherical cavity, the center of the bottom of the secondary spherical cavity (172) is provided with a secondary liquid outlet hole (175) with a smaller structural radius than the secondary spherical cavity, a secondary free ball valve (173) with a smaller structural radius and a larger structural radius than that of the secondary liquid inlet hole (174) and the secondary liquid outlet hole (175) is arranged inside the secondary spherical cavity (172), one end of the auxiliary liquid inlet hole (174) is communicated with the bottom central structure of the auxiliary spherical cavity (172), the other end is communicated with the central structure at one side of the auxiliary rectangular hollow block (171), one end of the auxiliary liquid discharge hole (175) is communicated with the top central structure of the auxiliary spherical cavity (172), the other end of the auxiliary liquid discharge hole is communicated with the central structure on the other side of the auxiliary rectangular hollow block (171), a port in the auxiliary liquid inlet hole (174) communicated with the center of the bottom surface of the auxiliary rectangular hollow block (171) is communicated with the liquid medicine discharge hole (16) or the left horizontal section through hole structure of the sewage discharge hole (15), and a port in the auxiliary liquid discharge hole (175) communicated with the center on the other side of the auxiliary rectangular hollow block (171) is communicated with the liquid medicine discharge hole (16) or the right horizontal section through hole structure of the sewage discharge hole (15).
9. The fertilizer coating agent production sewage treatment equipment of claim 1, which is characterized in that: vertical shell (1) is in a liquid medicine of internally mounted who is located first spacing chamber (4) and is rushing into structure (18), liquid medicine is rushed into structure (18) and is included cross sectional structure radius for the less hollow cylinder (181) of first spacing chamber (4) cross sectional structure radius, and the inside of hollow cylinder (181) is provided with inclosed liquid medicine reservation chamber (182), and the periphery of liquid medicine reservation chamber (182) is through setting up in a plurality of orifice (186) and the surrounding environment intercommunication of hollow cylinder (181) circumference wall department, solid dead lever (183) and hollow dead lever (184) that the symmetry set up are installed to the periphery bottom of hollow cylinder (181), the tip fixed mounting of solid dead lever (183) and hollow dead lever (184) is in the circumference inner wall department of first spacing chamber (4), just leave between the top of hollow cylinder (181) and sewage injection hole (12) and be used for sewage flow's gap, and the inside of hollow dead lever (184) is provided with liquid medicine transfer hole (185) that intercommunication liquid medicine reservation chamber (182) and liquid medicine discharge hole (16) discharge port discharge.
10. The fertilizer coating agent production sewage treatment device according to claim 1, characterized in that: the vertical shell (1) is provided with a spiral mixing structure (19) at a discharge port positioned in a sewage discharge hole (15), the spiral mixing structure (19) comprises a mixture discharge pipeline body (191), one end of the mixture discharge pipeline body (191) is provided with a connecting plate structure (192) fixedly arranged on the side surface of the vertical shell (1), a discharge space (193) for discharging sewage mixture is arranged inside the mixture discharge pipeline body (191), the center of the discharge space (193) is provided with a horizontal guide rod (194), and the circumferential surface of the horizontal guide rod (194) is provided with a spiral blade structure (195) in the horizontal direction.
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| CN202211352601.XA CN115403088A (en) | 2022-11-01 | 2022-11-01 | Fertilizer coating agent production sewage treatment device |
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| CN202211352601.XA CN115403088A (en) | 2022-11-01 | 2022-11-01 | Fertilizer coating agent production sewage treatment device |
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Application publication date: 20221129 |