CN214990833U - Landfill leachate preprocessing device based on ceramic membrane - Google Patents
Landfill leachate preprocessing device based on ceramic membrane Download PDFInfo
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- CN214990833U CN214990833U CN202121519257.XU CN202121519257U CN214990833U CN 214990833 U CN214990833 U CN 214990833U CN 202121519257 U CN202121519257 U CN 202121519257U CN 214990833 U CN214990833 U CN 214990833U
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- ceramic membrane
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- landfill leachate
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- 239000000919 ceramic Substances 0.000 title claims abstract description 52
- 239000012528 membrane Substances 0.000 title claims abstract description 51
- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 29
- 238000007781 pre-processing Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 11
- 230000033001 locomotion Effects 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 12
- 239000010813 municipal solid waste Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a refuse treatment equipment technical field just discloses landfill leachate preprocessing device based on ceramic membrane, including the treatment tank, the inside fixedly connected with quantity of treatment tank is two fixed plates, the inside activity of fixed plate has the connection plectane, fixedly connected with extends to the inside fly leaf of fixed plate on the surface of connection plectane. This landfill leachate preprocessing device based on ceramic membrane, make the axis of rotation rotate through circular telegram driving motor, axis of rotation pivoted in-process drives the running gear and rotates, make drive gear rotate during the running gear rotates, drive gear pivoted in-process and fixed gear ring interact, thereby make the top connect the plectane and rotate, connect plectane pivoted in-process this moment and drive kicking block and plate-shaped ceramic membrane and do circular motion, and drive gear makes the transfer line rotate, drive plate-shaped ceramic membrane and rotate when the transfer line rotates, plate-shaped ceramic membrane has played the effect of stirring this moment.
Description
Technical Field
The utility model relates to a refuse treatment equipment technical field specifically is landfill leachate preprocessing device based on ceramic membrane.
Background
Garbage is a waste product which loses use value and cannot be utilized, is an important link of material circulation, is not needed or useless solid and fluid materials, and is a headache problem in large cities with dense population.
Rubbish can produce a large amount of landfill leachate when handling, and landfill leachate is most likely to be through the solid impurity precipitation treatment of flocculating agent with the inside of leachate when handling, and the leachate is handled the back and is filtered through the ceramic membrane filter again, and this in-process is because flocculating agent adds the in-time not enough even to lead to landfill leachate treatment effect not good, so propose the landfill leachate preprocessing device based on ceramic membrane and solve the above-mentioned problem that proposes.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a landfill leachate preprocessing device based on ceramic membrane possesses treatment effect advantage such as good, has solved the not good problem of treatment effect.
(II) technical scheme
The utility model provides an above-mentioned technical problem's technical scheme as follows: garbage leachate pretreatment device based on ceramic membrane, including the treatment tank, the inside fixedly connected with quantity of treatment tank is two fixed plates, the inside activity of fixed plate has the connection plectane, fixedly connected with extends to the fly leaf inside the fixed plate on the surface of connection plectane, top the top fixedly connected with fixed sleeve of fixed plate, top the installation cavity has been seted up to the inside of connection plectane, the top fixedly connected with motor power of treatment tank, motor power's output shaft fixedly connected with extends to the axis of rotation inside the installation cavity, the inside swing joint of installation cavity has the drive mechanism who cup joints outside the axis of rotation and is connected with fixed sleeve, the inside swing joint of connection plectane has the drive mechanism that runs through and the quantity is two transfer lines, the inside of transfer line is seted up the pressure chamber, the inside fixedly connected with of pressure chamber extends to the pressure mechanism of transfer line below, the bottom fixedly connected with kicking block of pressure mechanism, the below the inside swing joint of connection plectane extends to the below the drain pipe of connection plectane top, the mounting bracket has been cup jointed to the outside of drain pipe, the fixation nut who contacts with the drain pipe phase-match and with the mounting bracket has been cup jointed to the outside of drain pipe, swing joint has plate-like ceramic membrane between mounting bracket and the kicking block.
The utility model has the advantages that:
the garbage leachate pretreatment device based on the ceramic membrane is characterized in that a power motor is electrified to enable a rotating shaft to rotate, the rotating shaft drives a rotating gear to rotate in the rotating process, a transmission gear rotates when the rotating gear rotates, the transmission gear interacts with a fixed gear ring in the rotating process to enable an upper connecting circular plate to rotate, a jacking block and a plate-shaped ceramic membrane are driven to do circular motion in the rotating process of the connecting circular plate at the moment, the transmission gear enables a transmission rod to rotate, the transmission rod drives the plate-shaped ceramic membrane to rotate when rotating, flocculating agents located in a treatment tank can be fully contacted with garbage leachate after being added through the rotating plate-shaped ceramic membrane, the plate-shaped ceramic membrane plays a stirring role at the moment, the plate-shaped ceramic membrane plays a filtering role in the stirring process, and the garbage leachate flows into the lower part of a lower connecting circular plate after being filtered by the plate-shaped ceramic membrane, at the moment, the filtered landfill leachate is discharged, and compared with the traditional treatment mode, the treatment mode can ensure that the pretreatment effect of the landfill leachate is better.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the installation cavity comprises a hollow cavity with one quantity and two cylindrical through holes with two quantities, the hollow cavity with one quantity is arranged inside the connecting circular plate, the cylindrical through holes with two quantities and communicated with the hollow cavity are arranged inside the connecting circular plate, and the two cylindrical through holes are positioned on the left side and the right side of the hollow cavity.
Adopt above-mentioned further scheme's beneficial effect be, the installation cavity provides the space of activity for drive mechanism can drive the transfer line normal rotation.
Furthermore, the transmission mechanism comprises a rotating gear, two transmission gears and a fixed gear ring, wherein the rotating gear is sleeved outside the rotating shaft, the transmission gear meshed with the rotating gear is sleeved outside the transmission rod, and the fixed gear ring meshed with the transmission gear is fixedly connected inside the fixed sleeve.
The beneficial effect of adopting above-mentioned further scheme is that, drive mechanism has played the effect of transmission kinetic energy, and power motor circular telegram drives axis of rotation and rotating gear rotation, and rotating gear pivoted in-process makes drive gear rotate, and drive gear and fixed gear ring are mutually supported this moment to make drive gear do circular motion, and circular motion is done when this in-process kicking block drives the rotation of plate-shaped ceramic membrane, and plate-shaped ceramic membrane has played the effect of stirring filtration this moment.
Furthermore, the pressure cavity is composed of one cylindrical cavity and two rectangular grooves, and the rectangular grooves arranged inside the transmission rod are arranged on the left side wall and the right side wall in the cylindrical cavity.
The pressure chamber has the advantages that the pressure chamber provides a moving space for the pressure mechanism, so that the pressure mechanism can move normally.
Further, the pressure mechanism comprises compression spring, movable rod and stopper, pressure chamber intracavity roof fixedly connected with compression spring, compression spring's bottom fixedly connected with extends to the outside movable rod of pressure chamber, equal fixedly connected with is located the inside stopper of pressure chamber on the left and right sides wall of movable rod.
The beneficial effect of adopting above-mentioned further scheme is that, pressure mechanism provides pressure for the stability that plate-shaped ceramic membrane can be more when the installation, has avoided the condition that the skew appears in the in-process of plate-shaped ceramic membrane at the motion.
Further, the kicking block comprises cylinder pole and rack, the bottom fixedly connected with rack of cylinder pole.
Furthermore, the drain pipe consists of a hollow rectangular block and a hollow pipe, the bottom of the hollow rectangular block is fixedly connected with the hollow pipe communicated with the hollow rectangular block, and the width and the length of the hollow rectangular block are both larger than the diameter of the hollow pipe.
Further, the mounting bracket is a hollow rectangular bracket, and the specification of the mounting bracket is consistent with that of the placing bracket in the ejector block.
The beneficial effects of adopting above-mentioned further scheme are that, kicking block and mounting bracket mutually support and make plate-shaped ceramic membrane's position can be fixed, and drain pipe and fixation nut mutually support this moment and make the position of mounting bracket can fix, rotate fixation nut at the in-process of installation plate-shaped ceramic membrane and make the mounting bracket move down, can install plate-shaped ceramic membrane this moment, and the plate-shaped ceramic membrane after fixing is filtering landfill leachate after through the drain pipe discharge.
Further, the movable plate is an annular plate, and the thickness of the side, away from the connecting circular plate, of the movable plate is smaller than the thickness of the side, close to the connecting circular plate, of the movable plate.
Adopt above-mentioned further scheme's beneficial effect be, the fly leaf has played the effect of connecting fixed plate and connection plectane for the connection plectane is fixed relatively in the position under the condition that can rotate.
Further, the processing tank is composed of a shell with one quantity, supporting legs with four quantities and connecting pipes with four quantities, the bottom of the shell is fixedly connected with four supporting legs with four quantities, four the supporting legs are divided into a left group and a right group and a set of two the supporting legs are symmetrically distributed, and the connecting pipes are fixedly connected with four connecting pipes which are communicated with the shell on the outer surface of the shell.
Adopt above-mentioned further scheme's beneficial effect is that, the treatment tank provides the processing space for landfill leachate, and four connecting pipes make landfill leachate and flocculating agent homoenergetic to let in the inside of treatment tank, and two remaining connecting pipes make the landfill leachate after handling can in time discharge.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the point A in the structure of FIG. 1 of the present invention;
fig. 3 is an enlarged schematic view of the position B in the structure diagram 1 of the present invention.
In the figure: 1. a treatment tank; 2. a fixing plate; 3. a movable plate; 4. connecting the circular plate; 5. fixing the sleeve; 6. a mounting cavity; 7. a power motor; 8. a rotating shaft; 9. a transmission mechanism; 901. a rotating gear; 902. a transmission gear; 903. a fixed gear ring; 10. a transmission rod; 11. a pressure chamber; 12. a pressure mechanism; 121. a pressure spring; 122. a movable rod; 123. a limiting block; 13. a plate-like ceramic film; 14. a drain pipe; 15. a mounting frame; 16. fixing a nut; 17. and (7) a top block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment, as shown in fig. 1-3, the garbage leachate pretreatment device based on ceramic membrane comprises a treatment tank 1, two fixed plates 2 are fixedly connected inside the treatment tank 1, a connection circular plate 4 is movably connected inside the fixed plates 2, a movable plate 3 extending into the fixed plates 2 is fixedly connected on the outer surface of the connection circular plate 4, a fixed sleeve 5 is fixedly connected on the top of the upper fixed plate 2, an installation cavity 6 is arranged inside the upper connection circular plate 4, a power motor 7 is fixedly connected on the top of the treatment tank 1, a rotating shaft 8 extending into the installation cavity 6 is fixedly connected at the output shaft of the power motor 7, a transmission mechanism 9 sleeved outside the rotating shaft 8 and connected with the fixed sleeve 5 is movably connected inside the installation cavity 6, and two transmission rods 10 penetrating through the transmission mechanism 9 are movably connected inside the connection circular plate 4, the pressure chamber 11 has been seted up to transfer line 10's inside, the inside fixedly connected with of pressure chamber 11 extends to the pressure mechanism 12 of transfer line 10 below, the bottom fixedly connected with kicking block 17 of pressure mechanism 12, the inside swing joint of below connection plectane 4 has the drain pipe 14 that extends to below connection plectane 4 top, mounting bracket 15 has been cup jointed to the outside of drain pipe 14, the outside of drain pipe 14 cup jointed with the fixed nut 16 that matches and contact with mounting bracket 15 with drain pipe 14, swing joint has plate-like ceramic membrane 13 between mounting bracket 15 and the kicking block 17.
Preferably, the installation cavity 6 is composed of one hollow cavity and two cylindrical through holes, the connection circular plate 4 is internally provided with one hollow cavity, the connection circular plate 4 is internally provided with two cylindrical through holes which are communicated with the hollow cavity, the two cylindrical through holes are positioned at the left side and the right side of the hollow cavity, and the installation cavity 6 provides a movable space for the transmission mechanism 9, so that the transmission mechanism 9 can drive the transmission rod 10 to normally rotate;
preferably, the transmission mechanism 9 is composed of one rotating gear 901, two transmission gears 902 and one fixed gear ring 903, the rotating gear 901 is sleeved outside the rotating shaft 8, the transmission gear 902 engaged with the rotating gear 901 is sleeved outside the transmission rod 10, the fixed gear ring 903 engaged with the transmission gear 902 is fixedly connected inside the fixed sleeve 5, the transmission mechanism 9 plays a role of transmitting kinetic energy, the power motor 7 is electrified to drive the rotating shaft 8 and the rotating gear 901 to rotate, the transmission gear 902 is rotated in the rotating process of the rotating gear 901, at this time, the transmission gear 902 is matched with the fixed gear ring 903, therefore, the transmission gear 902 makes circular motion, and in the process, the jacking block 17 drives the plate-shaped ceramic membrane 13 to make circular motion while rotating, and at the moment, the plate-shaped ceramic membrane 13 plays a role in stirring and filtering;
preferably, the pressure chamber 11 is composed of one cylindrical chamber and two rectangular grooves, the rectangular grooves formed in the transmission rod 10 are formed in the left side wall and the right side wall of the cylindrical chamber, and the pressure chamber 11 provides a moving space for the pressure mechanism 12, so that the pressure mechanism 12 can normally move;
preferably, the pressure mechanism 12 is composed of a pressure spring 121, a movable rod 122 and a limit block 123, the pressure spring 121 is fixedly connected to the top wall of the cavity of the pressure cavity 11, the movable rod 122 extending to the outside of the pressure cavity 11 is fixedly connected to the bottom of the pressure spring 121, the limit blocks 123 located inside the pressure cavity 11 are fixedly connected to the left side wall and the right side wall of the movable rod 122, and the pressure mechanism 12 provides pressure, so that the plate-shaped ceramic membrane 13 can be more stable during installation, and the condition that the plate-shaped ceramic membrane 13 deviates in the movement process is avoided;
preferably, the top block 17 consists of a cylindrical rod and a placing frame, the bottom of the cylindrical rod is fixedly connected with the placing frame, the drain pipe 14 consists of a hollow rectangular block and a hollow pipe, the bottom of the hollow rectangular block is fixedly connected with a hollow pipe communicated with the hollow rectangular block, the width and the length of the hollow rectangular block are both larger than the diameter of the hollow pipe, the mounting frame 15 is a hollow rectangular frame, the specification of the mounting frame 15 is consistent with that of the placing frame in the top block 17, the top block 17 is matched with the mounting frame 15 to fix the position of the plate-shaped ceramic membrane 13, at the moment, the drain pipe 14 is matched with the fixing nut 16 to fix the position of the mounting frame 15, in the process of mounting the plate-shaped ceramic membrane 13, the fixing nut 16 is rotated to enable the mounting frame 15 to move downwards, the plate-shaped ceramic membrane 13 can be mounted at the moment, and the fixed plate-shaped ceramic membrane 13 is discharged through the drain pipe 14 after filtering the garbage percolate;
preferably, the movable plate 3 is an annular plate, the thickness of the side of the movable plate 3 away from the connecting circular plate 4 is smaller than the thickness of the side of the movable plate 3 close to the connecting circular plate 4, and the movable plate 3 plays a role in connecting the fixed plate 2 and the connecting circular plate 4, so that the connecting circular plate 4 is relatively fixed in position under the condition of being capable of rotating;
preferably, the treatment tank 1 is provided with a shell with one number, four support legs and four connecting pipes, the bottom of the shell is fixedly connected with the four support legs, the four support legs are divided into a left group and a right group, one group of two support legs are symmetrically distributed, the outer surface of the shell is fixedly connected with the four connecting pipes which are communicated with the shell, the treatment tank 1 provides a treatment space for the landfill leachate, the four connecting pipes enable the landfill leachate and the flocculating agent to be introduced into the treatment tank 1, and the remaining two connecting pipes enable the treated landfill leachate to be discharged in time;
the working principle is as follows:
the power motor 7 is electrified to drive the rotating shaft 8 to rotate, the rotating shaft 8 drives the rotating gear 901 to rotate, the rotating gear 901 enables the transmission gear 902 to rotate, the transmission gear 902 is matched with the fixed gear ring 903 to drive the upper connecting circular plate 4 to rotate when rotating, the transmission rod 10 is driven to rotate in the rotating process of the transmission gear 902, and the transmission rod 10 sequentially drives the pressure mechanism 12, the ejector block 17, the plate-shaped ceramic membrane 13, the mounting frame 15 and the drain pipe 14 to rotate when rotating, so that the plate-shaped ceramic membrane 13 rotates and moves circularly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Landfill leachate preprocessing device based on ceramic membrane, including treatment tank (1), its characterized in that: the treatment tank is characterized in that the treatment tank (1) is fixedly connected with two fixed plates (2) in quantity, the fixed plates (2) are movably connected inside to form a connecting circular plate (4), a movable plate (3) extending into the fixed plates (2) is fixedly connected to the outer surface of the connecting circular plate (4), a fixed sleeve (5) is fixedly connected to the top of the fixed plates (2) above, an installation cavity (6) is formed inside the connecting circular plate (4), a power motor (7) is fixedly connected to the top of the treatment tank (1), a rotating shaft (8) extending into the installation cavity (6) is fixedly connected to the output shaft of the power motor (7), a transmission mechanism (9) sleeved outside the rotating shaft (8) and connected with the fixed sleeve (5) is movably connected inside the installation cavity (6), a transmission rod (10) penetrating through the transmission mechanism (9) and having two quantities is movably connected inside the connecting circular plate (4), pressure chamber (11) have been seted up to the inside of transfer line (10), the inside fixedly connected with of pressure chamber (11) extends to pressure mechanism (12) of transfer line (10) below, bottom fixedly connected with kicking block (17) of pressure mechanism (12), the below the inside swing joint of connecting plectane (4) extends to the below drain pipe (14) of connecting plectane (4) top, mounting bracket (15) have been cup jointed to the outside of drain pipe (14), fixation nut (16) that contact with drain pipe (14) phase-match and with mounting bracket (15) have been cup jointed to the outside of drain pipe (14), swing joint has plate-like ceramic membrane (13) between mounting bracket (15) and kicking block (17).
2. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the mounting cavity (6) is composed of a hollow cavity with one quantity and two cylindrical through holes with one quantity, the hollow cavity with one quantity is arranged inside the connecting circular plate (4), the cylindrical through holes with two quantities and communicated with the hollow cavity are arranged inside the connecting circular plate (4), and the cylindrical through holes are located on the left side and the right side of the hollow cavity.
3. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the transmission mechanism (9) is composed of one rotating gear (901), two transmission gears (902) and one fixed gear ring (903), the rotating gear (901) is sleeved outside the rotating shaft (8), the transmission gear (902) meshed with the rotating gear (901) is sleeved outside the transmission rod (10), and the fixed gear ring (903) meshed with the transmission gear (902) is fixedly connected inside the fixed sleeve (5).
4. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the pressure cavity (11) is composed of one cylindrical cavity and two rectangular grooves, and the rectangular grooves formed in the transmission rod (10) are formed in the left side wall and the right side wall of the cylindrical cavity.
5. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: pressure mechanism (12) comprise compression spring (121), movable rod (122) and stopper (123), pressure chamber (11) intracavity roof fixedly connected with compression spring (121), the bottom fixedly connected with of compression spring (121) extends to outside movable rod (122) of pressure chamber (11), equal fixedly connected with is located inside stopper (123) of pressure chamber (11) on the left and right sides wall of movable rod (122).
6. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the ejector block (17) is composed of a cylindrical rod and a placing frame, and the placing frame is fixedly connected to the bottom of the cylindrical rod.
7. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the drain pipe (14) consists of a hollow rectangular block and a hollow pipe, the bottom of the hollow rectangular block is fixedly connected with the hollow pipe communicated with the hollow rectangular block, and the width and the length of the hollow rectangular block are both larger than the diameter of the hollow pipe.
8. The ceramic membrane-based landfill leachate pretreatment device of claim 6, wherein: the mounting rack (15) is a hollow rectangular rack, and the specification of the mounting rack (15) is consistent with that of the placing rack in the ejector block (17).
9. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the movable plate (3) is an annular plate, and the thickness of one side, away from the connecting circular plate (4), of the movable plate (3) is smaller than that of one side, close to the connecting circular plate (4), of the movable plate (3).
10. The ceramic membrane-based landfill leachate pretreatment device of claim 1, wherein: the utility model discloses a multi-functional treatment tank, including processing jar (1), the supporting leg that has quantity to be one and quantity is four connecting pipe to constitute, and the bottom fixedly connected with quantity of casing is four supporting legs, four the supporting leg divide into about two sets of, a set of two the supporting leg is the symmetric distribution, fixedly connected with quantity is four and the connecting pipe that is linked together with the casing on the surface of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519257.XU CN214990833U (en) | 2021-07-06 | 2021-07-06 | Landfill leachate preprocessing device based on ceramic membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519257.XU CN214990833U (en) | 2021-07-06 | 2021-07-06 | Landfill leachate preprocessing device based on ceramic membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214990833U true CN214990833U (en) | 2021-12-03 |
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ID=79101414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121519257.XU Expired - Fee Related CN214990833U (en) | 2021-07-06 | 2021-07-06 | Landfill leachate preprocessing device based on ceramic membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214990833U (en) |
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2021
- 2021-07-06 CN CN202121519257.XU patent/CN214990833U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |