CN210620465U - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN210620465U CN210620465U CN201921445121.1U CN201921445121U CN210620465U CN 210620465 U CN210620465 U CN 210620465U CN 201921445121 U CN201921445121 U CN 201921445121U CN 210620465 U CN210620465 U CN 210620465U
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- Prior art keywords
- plate
- side plate
- front side
- sewage treatment
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000011282 treatment Methods 0.000 title claims abstract description 84
- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000003814 drug Substances 0.000 claims description 13
- 238000011221 initial treatment Methods 0.000 claims description 11
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, in particular to a sewage treatment device, which comprises a motor, a stirring shaft, a front side plate, a rotating shaft, a rear side plate, a horizontal plate, a secondary treatment box, a secondary feeding component, a support bar and a support leg; the utility model discloses a motor, including the mounting frame, preceding curb plate, motor, stirring shaft, the leading flank demountable installation of preceding curb plate has the installing frame of transversal personally submitting U-shaped, the motor set up two, motor demountable installation is on the preceding deckle board of installing frame, the front end of (mixing) shaft rotationally passes the preceding deckle board of preceding curb plate and installing frame and is equipped with driven gear in the terminal department, the power output shaft lower extreme of motor is equipped with the driving gear, driven gear and driving gear mesh mutually. Compared with the prior art, the utility model, not only the treatment effeciency of sewage is higher, the treatment time is than short, the effluent quality is secure, has simplified the sewage treatment step moreover greatly, has practiced thrift the treatment cost.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to sewage treatment device.
Background
Municipal sewage mainly comprises domestic sewage and industrial sewage, and is collected by a municipal drainage pipe network and conveyed to a sewage treatment plant for treatment. The urban sewage treatment method generally determines the sewage treatment degree and a corresponding treatment method according to the utilization or discharge direction of the urban sewage and considering the natural purification capacity of a water body. The treated sewage, whether used for industrial, agricultural or recharge for groundwater, must meet the relevant water quality standards issued by the state. However, the existing sewage treatment method is usually complicated in steps, and the cost of sewage treatment is increased to a certain extent.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model provides a sewage treatment device for solve the loaded down with trivial details problem that leads to the sewage treatment cost higher of current sewage treatment method step.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a sewage treatment device comprises a motor, a stirring shaft, a front side plate, a rotating shaft, a rear side plate, a horizontal plate, a secondary treatment box, a secondary feeding assembly, a support bar and support legs;
the front side surface of the front side plate is detachably provided with an installation frame with a U-shaped cross section, the number of the motors is two, the motors are detachably installed on a front frame plate of the installation frame, the front end of the stirring shaft can rotatably penetrate through the front side plate and the front frame plate of the installation frame, a driven gear is arranged at the tail end of the stirring shaft, the lower end of a power output shaft of the motor is provided with a driving gear, and the driven gear is meshed with the driving gear;
the front side plate and the rear side plate are in an inverted isosceles trapezoid shape, the front side plate and the rear side plate are right opposite to each other in front and rear, a vertical plate is fixedly arranged in the middle between the front side plate and the rear side plate, rotatable adjusting plates are arranged on the left side and the right side of the vertical plate between the front side plate and the rear side plate so as to enclose two primary treatment cavities, the rear ends of two stirring shafts respectively extend into the two primary treatment cavities, the left end and the right end of the front side plate and the right end of the rear side plate are connected through rotating shafts, the front end and the rear end of each rotating shaft can rotate, a first connecting rod is fixedly arranged in the middle of each rotating shaft, and a second connecting rod is hinged;
the horizontal plate is in a cross shape, two water inlets in the front and back directions are formed in the middle of the horizontal plate, notches in the left and right directions are formed in the left wing and the right wing of the horizontal plate, air cylinder mounting seats are detachably mounted on the left wing and the right wing of the horizontal plate, air cylinders are detachably mounted on the air cylinder mounting seats, and the lowest end of the first connecting rod penetrates through the notches and is hinged to the tail ends of telescopic rods of the air cylinders;
the front end and the rear end of the horizontal plate are detachably connected with the bottom ends of the front side plate and the rear side plate, a water outlet at the lower part of the primary treatment cavity is communicated with a water inlet, the periphery of the horizontal plate is detachably connected with the top of the secondary treatment box, a rotatable secondary treatment barrel is detachably mounted between the front side wall and the rear side wall of the secondary treatment box, two rows of secondary water inlet pipes and two rows of medicament B adding pipes are integrally formed in the inner cavity of the secondary treatment barrel, and the secondary water inlet pipes can be communicated with the water inlet;
the secondary feeding assembly is provided with two rows of feeding pipes in a penetrating manner, the medicament B adding pipe can be communicated with the feeding pipes, the secondary treatment barrel is provided with a water outlet and is connected with a water drainage pipe through the water outlet, and the water drainage pipe is provided with a water valve;
the support bar set up two, two support bar demountable installation at the bottom left and right sides edge of second grade processing case, the landing leg set up four, the top of landing leg can be dismantled with the front and back both ends of support bar and be connected.
Furthermore, the vertical plate and the adjusting plate are both of hollow shell-shaped structures.
Further, C-shaped notches are formed in the left end and the right end of the front side plate and the right end of the rear side plate, bearings are mounted at the front end and the rear end of the rotating shaft, the rotating shaft is detachably connected with the front side plate and the rear side plate through the bearings, and the cross section of the rotating shaft is in a regular hexagon shape.
Furthermore, a linear handle is arranged at the foremost end of the secondary treatment cylinder.
Furthermore, a circular window is arranged at the position, corresponding to the secondary treatment barrel, of the lower part of the front frame plate of the mounting frame.
Furthermore, the inner ends of the left frame plate and the right frame plate of the mounting frame are both outwards and vertically folded to form outward flanges, and the mounting frame is detachably connected with the front side plate through the outward flanges.
Further, the angle of the outward deviation of the secondary water inlet pipe from the vertical line is 15 degrees, and the angle of the upward deviation of the medicament B adding pipe from the horizontal line is 15 degrees.
Furthermore, the supporting legs are telescopic rods.
Compared with the prior art, the utility model, not only the treatment effeciency of sewage is higher, the treatment time is than short, the effluent quality is secure, has simplified the sewage treatment step moreover greatly, has practiced thrift the treatment cost.
Drawings
FIG. 1 is a schematic view of a sewage treatment apparatus according to the present invention;
FIG. 2 is a schematic view of a sewage treatment apparatus of the present invention showing a three-dimensional structure thereof;
FIG. 3 is a schematic view of a sewage treatment apparatus according to the present invention;
FIG. 4 is a schematic view of a sectional structure of a sewage treatment apparatus of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of the structure of the sewage treatment apparatus of the present invention;
FIG. 7 is a first schematic view of the structure of the cylinder installation in the sewage treatment plant of the present invention;
FIG. 8 is a schematic view of a structure of the installation of the air cylinder in the sewage treatment device of the present invention;
FIG. 9 is a schematic structural view of a horizontal plate in a sewage treatment apparatus of the present invention;
FIG. 10 is a schematic view of a structure of a horizontal plate installed in a sewage treatment apparatus of the present invention;
FIG. 11 is a schematic structural view of the installation of the secondary treatment tank and the secondary feeding assembly in the sewage treatment plant.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-11, the sewage treatment device of the present invention comprises a motor 1, a stirring shaft 2, a front side plate 3, a rotating shaft 4, a rear side plate 5, a horizontal plate 6, a secondary treatment tank 7, a secondary feeding assembly 8, a supporting bar 9 and a supporting leg 10;
the front side surface of the front side plate 3 is detachably provided with an installation frame with a U-shaped cross section, two motors 1 are arranged, the motors 1 are detachably arranged on a front frame plate of the installation frame, the front end of the stirring shaft 2 can rotatably penetrate through the front side plate 3 and the front frame plate of the installation frame, a driven gear is arranged at the tail end of the stirring shaft, the lower end of a power output shaft of the motor 1 is provided with a driving gear, and the driven gear is meshed with the driving gear;
the front side plate 3 and the rear side plate 5 are both inverted isosceles trapezoids, the front side plate 3 and the rear side plate 5 are right opposite to each other in the front-rear direction, a vertical plate 11 is fixedly arranged in the middle between the front side plate 3 and the rear side plate 5, rotatable adjusting plates 12 are arranged on the left side and the right side of the vertical plate 11 between the front side plate 3 and the rear side plate 5, so that two primary treatment cavities are defined in a surrounding manner, the rear ends of two stirring shafts 2 respectively extend into the two primary treatment cavities, the left end and the right end of the front side plate 3 and the left end and the right end of the rear side plate 5 are connected through a rotating shaft 4, the front end and the rear end of the rotating shaft 4 can rotate, a first connecting rod 400 is;
the horizontal plate 6 is cross-shaped, two water inlets 600 with front and back trends are formed in the middle of the horizontal plate 6, notches 601 with left and right trends are formed in the left wing and the right wing of the horizontal plate 6, the left wing and the right wing of the horizontal plate 6 are both detachably provided with air cylinder mounting seats 403, air cylinders 402 are detachably mounted through the air cylinder mounting seats 403, and the lowest ends of the first connecting rods 400 penetrate through the notches 601 and are hinged with the tail ends of telescopic rods of the air cylinders 402;
the front end and the rear end of the horizontal plate 6 are detachably connected with the bottom ends of the front side plate 3 and the rear side plate 5, a water outlet at the lower part of the primary treatment cavity is communicated with a water inlet 600, the periphery of the horizontal plate 6 is detachably connected with the top of the secondary treatment box 7, a rotatable secondary treatment barrel 700 is detachably mounted between the front side wall and the rear side wall of the secondary treatment box 7, two rows of secondary water inlet pipes 7000 and two rows of medicament B adding pipes 7001 are integrally formed in the inner cavity of the secondary treatment barrel 700, and the secondary water inlet pipes 7000 can be communicated with the water inlet 600;
two rows of feeding pipes 800 penetrate through the secondary feeding assembly 8, the medicament B adding pipe 7001 can be communicated with the feeding pipes 800, a water outlet is formed in the secondary treatment cylinder 700, a water discharge pipe is connected with the secondary treatment cylinder through the water outlet, and a water valve is mounted on the water discharge pipe;
Preferably, the vertical plate 11 and the adjusting plate 12 are both hollow shell-shaped structures. Due to the design, the whole weight can be reduced, and the angle of the adjusting plate 12 can be adjusted conveniently.
As preferred scheme, C shape breach has all been seted up at both ends about preceding curb plate 3 and posterior lateral plate 5, and the bearing is all installed at both ends around pivot 4, and pivot 4 passes through the bearing and can dismantle with preceding curb plate 3, posterior lateral plate 5 and be connected, and the cross-section of pivot 4 is regular hexagon. Due to the design, the installation and the disassembly of the rotating shaft 4 are facilitated, and the angle of the adjusting plate 12 is adjusted conveniently.
Preferably, the foremost end of the secondary treatment cylinder 700 is provided with a linear handle. Such a design facilitates the angular adjustment of the secondary treatment canister 700.
Preferably, a circular window is formed at a position corresponding to the secondary treatment barrel 700 at the lower part of the front frame plate of the mounting frame. Such a design facilitates the angular adjustment of the secondary treatment canister 700.
As the preferred scheme, the inner ends of the left frame plate and the right frame plate of the mounting frame are both outwards and vertically turned over to form outward flanges, and are detachably connected with the front side plate 3 through the outward flanges. With such a design, the motor 1 can be easily mounted and dismounted.
Preferably, the secondary water inlet pipe 7000 is deviated from the vertical line outwardly at an angle of 15 °, and the agent B addition pipe 7001 is deviated from the horizontal line upwardly at an angle of 15 °. Such design, the water of intaking and the addition of medicament B after the one-level sewage treatment of being convenient for make the sewage reaction more thorough.
Preferably, the legs 10 are telescoping. Such a design facilitates height adjustment of the leg 10 for ease of operation and use.
The use method of the sewage treatment device comprises the following steps:
step one, adjusting the angle of the adjusting plate 12
Starting the cylinder 402, wherein the lowest end of the first link 400 passes through the notch 601 and is hinged with the tail end of the telescopic rod of the cylinder 402, so that the angle of the first link 400 can be adjusted, and the angle of the adjusting plate 12 can be adjusted through the second link 401;
step two, adjusting the angle of the secondary treatment cylinder 700
Rotating the secondary treatment cylinder 700 to disconnect the secondary water inlet pipe 7000 from the water inlet 600, so that the medicament B adding pipe 7001 is disconnected from the charging pipe 800, and the water inlet 600 is blocked;
step three, primary sewage treatment
Lifting the sewage into a primary treatment cavity through a delivery pump, and reacting under the action of a medicament A to reduce the viscosity, wherein the viscosity of the waste liquid is reduced to below 2.5 mPa.s;
step four, adjusting the angle of the secondary treatment cylinder 700
Rotating the secondary treatment cylinder 700 to communicate the secondary water inlet pipe 7000 with the water inlet 600, communicating the agent B addition pipe 7001 with the feed pipe 800, and closing the water valve;
step five, secondary sewage treatment
The sewage after the reaction of the primary treatment cavity enters the secondary treatment cylinder 700 through a secondary water inlet pipe 7000, and the medicament B is added into the secondary treatment cylinder 700 through the feeding pipe 800 and is fully mixed and reacted under the action of the medicament B;
step six, discharging clear liquid
And opening a water valve, and discharging the reacted clear liquid through a drain pipe.
Preferably, the agent A is one or more of hydrogen peroxide, sodium hypochlorite and organic low molecular polymer, and the agent B is one or more of polyaluminium chloride, basic aluminium sulfate, magnesium chloride, calcium carbonate, calcium sulfate, magnesium sulfate, barium sulfate, diatomite, polyacrylamide and ferrous sulfate. The design has unique material selection and very good treatment effect.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A sewage treatment device is characterized in that: comprises a motor (1), a stirring shaft (2), a front side plate (3), a rotating shaft (4), a rear side plate (5), a horizontal plate (6), a secondary treatment box (7), a secondary feeding assembly (8), a support bar (9) and support legs (10);
the front side surface of the front side plate (3) is detachably provided with an installation frame with a U-shaped cross section, the number of the motors (1) is two, the motors (1) are detachably installed on the front frame plate of the installation frame, the front end of the stirring shaft (2) can rotatably penetrate through the front side plate (3) and the front frame plate of the installation frame, the tail end of the stirring shaft is provided with a driven gear, the lower end of a power output shaft of the motor (1) is provided with a driving gear, and the driven gear is meshed with the driving gear;
the front side plate (3) and the rear side plate (5) are both inverted isosceles trapezoids, the front side plate (3) and the rear side plate (5) are right opposite to each other in front and back, a vertical plate (11) is fixedly arranged in the middle between the front side plate (3) and the rear side plate (5), rotatable adjusting plates (12) are arranged between the front side plate (3) and the rear side plate (5) at the left side and the right side of the vertical plate (11), thereby enclosing two primary treatment cavities, the rear ends of the two stirring shafts (2) respectively extend into the two primary treatment cavities, the left end and the right end of the front side plate (3) and the rear side plate (5) are connected through a rotating shaft (4), the front end and the rear end of the rotating shaft (4) can rotate, the middle part of the rotating shaft (4) is fixedly provided with a first connecting rod (400), a second connecting rod (401) is hinged between the middle of the first connecting rod (400) and the middle of the outer side surface of the adjusting plate (12);
the horizontal plate (6) is cross-shaped, two water inlets (600) with front and back trends are formed in the middle of the horizontal plate (6), notches (601) with left and right trends are formed in the left wing and the right wing of the horizontal plate (6), air cylinder mounting seats (403) are detachably mounted on the left wing and the right wing of the horizontal plate (6), air cylinders (402) are detachably mounted through the air cylinder mounting seats (403), and the lowest end of the first connecting rod (400) penetrates through the notches (601) and is hinged to the tail ends of telescopic rods of the air cylinders (402);
the front end and the rear end of the horizontal plate (6) are detachably connected with the bottom ends of the front side plate (3) and the rear side plate (5), a water outlet at the lower part of the primary treatment cavity is communicated with a water inlet (600), the periphery of the horizontal plate (6) is detachably connected with the top of the secondary treatment box (7), a rotatable secondary treatment barrel (700) is detachably mounted between the front side wall and the rear side wall of the secondary treatment box (7), two rows of secondary water inlet pipes (7000) and two rows of medicament B adding pipes (7001) are integrally formed in the inner cavity of the secondary treatment barrel (700), and the secondary water inlet pipes (7000) can be communicated with the water inlet (600);
two rows of feeding pipes (800) penetrate through the secondary feeding assembly (8), the medicament B adding pipe (7001) can be communicated with the feeding pipes (800), a water outlet is formed in the secondary treatment cylinder (700), a water discharge pipe is connected with the secondary treatment cylinder through the water outlet, and a water valve is mounted on the water discharge pipe;
support bar (9) set up two, two support bar (9) demountable installation at the bottom left and right sides edge of second grade processing case (7), landing leg (10) set up four, the top of landing leg (10) can be dismantled with the front and back both ends of support bar (9) and be connected.
2. The sewage treatment apparatus according to claim 1, wherein: the vertical plate (11) and the adjusting plate (12) are both of hollow shell-shaped structures.
3. The sewage treatment apparatus according to claim 2, wherein: preceding curb plate (3) and posterior lateral plate (5) about both ends all seted up C shape breach, the bearing is all installed at both ends around pivot (4), pivot (4) can dismantle with preceding curb plate (3), posterior lateral plate (5) through the bearing and be connected, regular hexagon is personally submitted to the cross-section of pivot (4).
4. A wastewater treatment plant according to claim 3, characterized in that: the foremost end of the secondary treatment cylinder (700) is provided with a linear handle.
5. The sewage treatment apparatus according to claim 4, wherein: and a round window is arranged at the lower part of the front frame plate of the mounting frame corresponding to the position of the secondary treatment barrel (700).
6. The sewage treatment apparatus according to claim 5, wherein: the inner ends of the left frame plate and the right frame plate of the mounting frame are both outwards and vertically turned over to form outward turned edges, and the mounting frame is detachably connected with the front side plate (3) through the outward turned edges.
7. The sewage treatment apparatus according to claim 6, wherein: the angle of the secondary water inlet pipe (7000) deviating from the vertical line outwards is 15 degrees, and the angle of the medicament B adding pipe (7001) deviating from the horizontal line upwards is 15 degrees.
8. The sewage treatment apparatus according to claim 7, wherein: the supporting legs (10) are telescopic rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445121.1U CN210620465U (en) | 2019-09-02 | 2019-09-02 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445121.1U CN210620465U (en) | 2019-09-02 | 2019-09-02 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210620465U true CN210620465U (en) | 2020-05-26 |
Family
ID=70760934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921445121.1U Withdrawn - After Issue CN210620465U (en) | 2019-09-02 | 2019-09-02 | Sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210620465U (en) |
-
2019
- 2019-09-02 CN CN201921445121.1U patent/CN210620465U/en not_active Withdrawn - After Issue
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|---|---|---|---|
| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |