CN212374918U - High-turbidity sewage treatment device for desulfurization and denitrification - Google Patents
High-turbidity sewage treatment device for desulfurization and denitrification Download PDFInfo
- Publication number
- CN212374918U CN212374918U CN202021680999.6U CN202021680999U CN212374918U CN 212374918 U CN212374918 U CN 212374918U CN 202021680999 U CN202021680999 U CN 202021680999U CN 212374918 U CN212374918 U CN 212374918U
- Authority
- CN
- China
- Prior art keywords
- sewage treatment
- inner chamber
- fixed mounting
- room
- turbidity
- 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.)
- Active
Links
Images
Abstract
The invention discloses a desulfurization and denitrification high-turbidity sewage treatment device which comprises a bottom bracket, wherein sewage treatment boxes are fixedly welded on the left side and the right side of the top of the bottom bracket, a first sewage treatment chamber is arranged on the left side of an inner cavity of the sewage treatment box, a second sewage treatment chamber is arranged on the right side of the inner cavity of the sewage treatment box, air cylinders are symmetrically arranged on the left side of the top of the sewage treatment box, bottom output ends of the two groups of air cylinders extend to the inner cavity of the first sewage treatment chamber and are fixedly provided with a top plate, a water pump is fixedly arranged in the middle position of the top plate, and a connecting hose extending to the inner cavity of the. Thereby this SOx/NOx control high turbidity sewage treatment plant removes and in time closes the cylinder under the effect of first observation window in real time observation solid-liquid separation limit through starting the cylinder extension under the drive roof, starts the water pump and shifts the inner chamber of second sewage treatment room with the clear solution on upper strata under coupling hose's effect in to be convenient for improve the transfer rate of clear solution.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a desulfurization and denitrification high-turbidity sewage treatment device.
Background
SOx/NOx control sewage is the sewage after SOx/NOx control handles, and main pollutant wherein is suspended solid and heavy metal ion etc. and need handle before SOx/NOx control high turbidity sewage discharges, and traditional SOx/NOx control high turbidity sewage treatment plant can satisfy people's user demand basically, but still has certain problem, and concrete problem is as follows:
1. most of desulfurization and denitrification high-turbidity sewage treatment devices in the current market need to transfer supernatant liquor into another precipitation space for next procedure treatment after solid-liquid separation, but the height of the devices is always fixed when the supernatant liquor is transferred at present, so that the transfer amount of the supernatant liquor is small;
2. most of desulfurization and denitrification high-turbidity sewage treatment devices in the current market have poor removal effect on heavy metal ions.
Disclosure of Invention
The invention aims to provide a desulfurization and denitrification high-turbidity sewage treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a desulfurization and denitrification high-turbidity sewage treatment device comprises a bottom bracket, wherein sewage treatment boxes are fixedly welded on the left side and the right side of the top of the bottom bracket, a first sewage treatment chamber is arranged on the left side of an inner cavity of the sewage treatment box, a second sewage treatment chamber is arranged on the right side of the inner cavity of the sewage treatment box, air cylinders are symmetrically installed on the left side of the top of the sewage treatment box, two groups of air cylinders are arranged, the output ends of the bottoms of the air cylinders extend into the inner cavity of the first sewage treatment chamber and are fixedly provided with a top plate, a water pump is fixedly installed at the middle position of the top plate, a connecting hose extending into the inner cavity of the second sewage treatment chamber is fixedly installed at the output end of the right side of the water pump, a first sludge calandria penetrating through the left side wall of the sewage treatment box is fixedly installed at the bottom of the left, the sewage treatment device is characterized in that a sewage drainage pipe which runs through the side wall of the right side of the sewage treatment chamber is fixedly arranged at the lower end of the right side of the inner chamber of the second sewage treatment chamber, first observation windows are arranged on the left and right sides of the front side wall of the sewage treatment chamber, and a sewage inlet which extends to the inner chamber of the first sewage treatment chamber is formed in the position between the left top of the front side wall of the sewage treatment chamber and the two sets of first observation windows.
Preferably, in the above desulfurization and denitrification high-turbidity sewage treatment device, a first servo motor is fixedly installed on the left side of the top of the inner cavity of the bottom bracket, and the output end of the top of the first servo motor extends to the inner cavity of the first sewage treatment chamber through a coupler and is fixedly provided with a first stirring mechanism.
Based on the technical characteristics, the mixing speed of the sewage and the flocculating agent is convenient to accelerate.
Preferably, among the above-mentioned high turbidity sewage treatment plant of SOx/NOx control, first rabbling mechanism includes first stirring riser and stirring tray, stirring tray fixed mounting is at first servo motor top output, equidistant fixed mounting has first stirring riser around the stirring tray top.
Based on the technical characteristics, the mixing speed of the sewage and the flocculating agent is convenient to accelerate.
Preferably, among the above-mentioned SOx/NOx control high turbidity sewage treatment plant, the right side fixed mounting at bottom bracket inner chamber top has positive and negative motor, positive and negative motor top output extends to the indoor chamber of second sewage treatment chamber and fixed mounting has screw thread mechanism through the shaft coupling, screw thread mechanism's outside equidistant fixed mounting has second rabbling mechanism.
Based on the technical characteristics, the mixing speed of the sewage and the ion purifying agent is convenient to accelerate.
Preferably, among the above-mentioned high turbidity sewage treatment plant of SOx/NOx control, screw thread mechanism includes screw thread standpipe and screw thread montant, screw thread montant fixed mounting is at positive and negative motor top output, the outside cover of screw thread montant is equipped with the screw thread standpipe.
Based on the technical characteristics, the mixing speed of the sewage and the ion purifying agent is convenient to accelerate.
Preferably, in the desulfurization and denitrification high-turbidity sewage treatment device, the second stirring mechanism comprises a drain hole and four groups of second stirring vertical plates, the four groups of second stirring vertical plates are fixedly arranged in the threaded vertical pipe at equal intervals, and the drain holes penetrating through the second stirring vertical plates are uniformly formed in the four groups of second stirring vertical plates.
Based on the technical characteristics, the mixing speed of the sewage and the ion purifying agent is convenient to accelerate.
Preferably, among the above-mentioned SOx/NOx control high turbidity sewage treatment plant, sewage treatment roof portion intermediate position department fixed mounting has the storage box, the left side of storage box inner chamber is provided with the second locker room, the right side of storage box inner chamber is provided with first locker room, the feed supplement mouth that extends to second locker room and first locker room inner chamber respectively is seted up to the locker roof portion left and right sides, the discharging pipe that extends to first sewage treatment room and second sewage treatment room inner chamber respectively is all installed to the positive lateral wall bottom left and right sides of storage box.
Based on the technical characteristics, the flocculant and the ion purifying agent are convenient to store.
Preferably, among the above-mentioned high turbidity sewage treatment plant of SOx/NOx control, the top fixed mounting that the storage box right side just is located sewage treatment box has second servo motor, second servo motor left side output has the hob that extends to first locker room and second locker room inner chamber through shaft coupling fixed mounting.
Based on the technical characteristics, the flocculant and the ion purifying agent are convenient to stir, and the caking is prevented.
Compared with the prior art, the invention has the beneficial effects that:
firstly, through the design of the technical scheme, the air cylinder is started to extend to drive the top plate to move downwards, the solid-liquid separation limit is observed in real time under the action of the first observation window, the air cylinder is closed in time, and the water pump is started to transfer the supernatant liquid into the inner cavity of the second sewage treatment chamber under the action of the connecting hose, so that the transfer rate of the supernatant liquid is improved conveniently;
secondly, through the design of the technical scheme, a proper amount of ion purifying agent is injected into an inner cavity of the second sewage treatment chamber through the discharge pipe on the right side, the positive and negative motors are started to drive the screw mechanisms to rotate, so that the second stirring mechanism is driven to rotate, the mixing speed of the ion purifying agent and sewage is accelerated, the ion purifying agent reacts with various heavy metal ions such as lead, chromium, nickel, copper, zinc, manganese, cadmium, vanadium, tin and the like at normal temperature to generate water-insoluble chelate salt, and therefore the heavy metal ions in the desulfurization and denitrification sewage can be removed conveniently.
Drawings
FIG. 1 is a first structural diagram illustrating a usage state of the present invention;
FIG. 2 is a structural diagram of a second usage state of the present invention;
FIG. 3 is a schematic view of a first agitation mechanism according to the present invention;
fig. 4 is a schematic view showing a connection structure of a second agitating mechanism and a screw mechanism according to the present invention.
In the figure: 1. a cylinder; 2. a top plate; 3. a first sewage treatment chamber; 4. a sewage treatment tank; 5. a first sludge drain pipe; 6. a discharge pipe; 7. a first observation window; 8. a first agitation mechanism; 801. a first vertical stirring plate; 802. a stirring tray; 9. a first servo motor; 10. a bottom bracket; 11. a positive and negative motor; 12. a second agitation mechanism; 1201. a drain hole; 1202. a second vertical stirring plate; 13. a screw mechanism; 1301. a threaded standpipe; 1302. a threaded vertical rod; 14. a second sewage treatment chamber; 15. a second servo motor; 16. a material supplementing port; 17. a screw rod; 18. a first storage compartment; 19. a second storage compartment; 20. a storage box; 21. a connecting hose; 22. a water pump; 23. a sewage drain pipe; 24. a second sludge drain pipe; 25. and (6) a sewage inlet.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a desulfurization and denitrification high-turbidity sewage treatment device comprises a bottom bracket 10, wherein sewage treatment boxes 4 are fixedly welded on the left side and the right side of the top of the bottom bracket 10, a first sewage treatment chamber 3 is arranged on the left side of the inner cavity of the sewage treatment box 4, a second sewage treatment chamber 14 is arranged on the right side of the inner cavity of the sewage treatment box 4, air cylinders 1 are symmetrically arranged on the left side of the top of the sewage treatment box 4, the types of the air cylinders 1 can be SC200-25, switch buttons of the air cylinders 1 are arranged at proper positions, the bottom output ends of two groups of the air cylinders 1 extend to the inner cavity of the first sewage treatment chamber 3 and are fixedly provided with a top plate 2, a water pump 22 is fixedly arranged at the middle position of the top plate 2, the type of the water pump 22 can be CDLF4-22, the switch buttons of the water pump 22 are arranged at proper positions, and a connecting hose 21 extending to, 3 inner chamber left side bottom fixed mounting in first sewage treatment room has the first sludge calandria 5 that runs through 4 left side lateral walls of sewage treatment case, 14 inner chamber right side bottom fixed mounting in second sewage treatment room has the second sludge calandria 24 that runs through 4 right side lateral walls of sewage treatment case, 14 inner chamber right side lower extreme fixed mounting in second sewage treatment room has the sewage calandria 23 that runs through 4 right side lateral walls of sewage treatment case, the left and right sides of the positive lateral wall of sewage treatment case 4 all is provided with first observation window 7, sewage treatment case 4 openly lateral wall left side top just is located the position between two sets of first observation windows 7 and has seted up the sewage import 25 that extends to 3 inner chambers of first sewage treatment room.
Please refer to fig. 1 in the drawings of the specification: a first servo motor 9 is fixedly installed on the left side of the top of the inner cavity of the bottom bracket 10, the type of the first servo motor 9 can be JSMA-SC04ABK01, a switch button of the first servo motor 9 is arranged at a proper position, and the output end of the top of the first servo motor 9 extends to the inner cavity of the first sewage treatment chamber 3 through a coupler and is fixedly provided with a first stirring mechanism 8.
Please refer to fig. 3 in the drawings of the specification: first rabbling mechanism 8 includes first stirring riser 801 and stirring tray 802, and stirring tray 802 fixed mounting has first stirring riser 801 at first servo motor 9 top output, and stirring tray 802 top is equidistant fixed mounting all around.
Please refer to fig. 1 in the drawings of the specification: the right side at bottom bracket 10 inner chamber top is fixed with positive and negative motor 11, and the model of this positive and negative motor 11 can be ZYT-750W permanent-magnet machine, and the shift knob setting of this positive and negative motor 11 is in suitable position department, and positive and negative motor 11 top output extends to second sewage treatment room 14 inner chamber and fixed mounting has screw thread mechanism 13 through the shaft coupling, and screw thread mechanism 13's the equidistant fixed mounting of outside has second stirring mechanism 12.
Please refer to fig. 1 and 4 in the drawings of the specification: the screw mechanism 13 comprises a screw vertical pipe 1301 and a screw vertical rod 1302, the screw vertical rod 1302 is fixedly installed at the output end of the top of the forward and reverse motor 11, and the screw vertical pipe 1301 is sleeved outside the screw vertical rod 1302.
Please refer to fig. 1 and 4 in the drawings of the specification: the second stirring mechanism 12 comprises a drain hole 1201 and second vertical mixer 1202, four groups of second vertical mixer 1202 are fixedly mounted on the threaded vertical pipe 1301 at equal intervals, and the drain holes 1201 penetrating through the second vertical mixer 1202 are uniformly formed in the four groups of second vertical mixer 1202.
Please refer to fig. 1 in the drawings of the specification: 4 top intermediate position department fixed mounting of sewage treatment case has storage box 20, the left side of storage box 20 inner chamber is provided with second locker room 19, the right side of storage box 20 inner chamber is provided with first locker room 18, the feed supplement mouth 16 that extends to second locker room 19 and 18 inner chambers of first locker room respectively is seted up to the storage box 20 top left and right sides, storage box 20 openly lateral wall bottom left and right sides all installs the discharging pipe 6 that extends to first sewage treatment room 3 and 14 inner chambers of second sewage treatment room respectively.
Please refer to fig. 1 in the drawings of the specification: a second servo motor 15 is fixedly installed at the right side of the storage box 20 and at the top of the sewage treatment box 4, the type of the second servo motor 15 can be SV-M020AK, a switch button of the second servo motor 15 is arranged at a proper position, and a screw rod 17 extending to the inner cavities of the first storage chamber 18 and the second storage chamber 19 is fixedly installed at the left output end of the second servo motor 15 through a coupler.
The working principle is as follows: when the desulfurization and denitrification high-turbidity sewage treatment device is used, firstly, a proper amount of sewage is injected into the inner cavity of the first sewage treatment chamber 3 through the sewage inlet 25, a proper amount of sewage flocculant is injected into the inner cavity of the second storage chamber 19 through the left material supplementing opening 16, a proper amount of sewage flocculant is accelerated into the inner cavity of the first sewage treatment chamber 3 through the left material discharging pipe 6, the first servo motor 9 is started to drive the stirring tray 802 and the first stirring vertical plate 801 to rotate, so that the mixing speed and the uniformity of the sewage and the flocculant in the inner cavity of the first sewage treatment chamber 3 are accelerated, the sewage sedimentation is accelerated, the solid-liquid separation is gradually carried out under the action of gravity, the air cylinder 1 is started to extend, so as to drive the top plate 2 to move downwards, the solid-liquid separation limit is observed in real time under the action of the first observation window 7, the air cylinder 1 is closed in time, the water pump 22 is started to transfer the supernatant into the inner cavity of, therefore, the transfer rate of clear liquid is convenient to improve, a proper amount of ion purifying agent is injected into the inner cavity of the first storage chamber 18 through the feeding port 16 on the right side, a proper amount of ion purifying agent is injected into the inner cavity of the second sewage treatment chamber 14 through the discharging pipe 6 on the right side, the positive and negative motor 11 is started to drive the thread vertical rod 1302 to rotate so as to drive the thread vertical pipe 1301 to move up and down while rotating, the thread vertical pipe 1301 drives the second stirring vertical plate 1202 to rotate and accelerate the mixing rate of the ion purifying agent and sewage under the coordination of the water discharging hole 1201, the ions react with various heavy metal ions such as lead, chromium, nickel, copper, zinc, manganese, cadmium, vanadium, tin and the like at normal temperature to generate water-insoluble chelate salt, so that the heavy metal ions in the desulfurization and denitrification sewage are convenient to remove, when the flocculant and the ion purifying agent are supplemented, the second servo, the invention has the advantages that the caking is prevented, when the sewage needs to be cleaned, the upper layer sewage is discharged through the sewage discharge pipe 23 by opening the valve, when the sludge needs to be cleaned, the left settled sludge is firstly discharged through the first sludge discharge pipe 5 by opening the valve, and the right heavy metal ion sludge is discharged through the second sludge discharge pipe 24.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a high turbidity sewage treatment plant of SOx/NOx control, includes bottom bracket (10), its characterized in that: the left and right sides fixed welding at bottom bracket (10) top has sewage treatment case (4), the left side of sewage treatment case (4) inner chamber is provided with first sewage treatment room (3), the right side of sewage treatment case (4) inner chamber is provided with second sewage treatment room (14), cylinder (1) is installed to the left side symmetry at sewage treatment case (4) top, two sets of cylinder (1) bottom output extends to first sewage treatment room (3) inner chamber and fixed mounting has roof (2), the intermediate position department fixed mounting at roof (2) top has water pump (22), water pump (22) right side output fixed mounting has connecting hose (21) that extends to second sewage treatment room (14) inner chamber, first sewage treatment room (3) inner chamber left side bottom fixed mounting has first sludge discharge pipe (5) that runs through sewage treatment case (4) left side lateral wall, second sewage treatment room (14) inner chamber right side bottom fixed mounting has second sludge discharge pipe (24) that runs through sewage treatment case (4) right side lateral wall, second sewage treatment room (14) inner chamber right side lower extreme fixed mounting has sewage discharge pipe (23) that runs through sewage treatment case (4) right side lateral wall, the left and right sides of sewage treatment case (4) front lateral wall all is provided with first observation window (7), sewage treatment case (4) front lateral wall left side top just is located position between two sets of first observation window (7) and has seted up sewage import (25) that extend to first sewage treatment room (3) inner chamber.
2. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 1, wherein: bottom bracket (10) inner chamber top's left side fixed mounting has first servo motor (9), first servo motor (9) top output extends to first sewage treatment room (3) inner chamber and fixed mounting has first rabbling mechanism (8) through the shaft coupling.
3. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 2, characterized in that: first rabbling mechanism (8) include first stirring riser (801) and stirring tray (802), stirring tray (802) fixed mounting is at first servo motor (9) top output, equidistant fixed mounting all around at stirring tray (802) top has first stirring riser (801).
4. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 1, wherein: bottom bracket (10) inner chamber top right side fixed mounting has positive and negative motor (11), positive and negative motor (11) top output extends to second sewage treatment room (14) inner chamber and fixed mounting has screw thread mechanism (13) through the shaft coupling, the equidistant fixed mounting in outside of screw thread mechanism (13) has second rabbling mechanism (12).
5. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 4, wherein: the thread mechanism (13) comprises a thread vertical pipe (1301) and a thread vertical rod (1302), the thread vertical rod (1302) is fixedly installed at the output end of the top of the positive and negative motor (11), and the thread vertical pipe (1301) is sleeved outside the thread vertical rod (1302).
6. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 4, wherein: the second stirring mechanism (12) comprises a water drainage hole (1201) and second vertical stirring plates (1202), four groups of the second vertical stirring plates (1202) are fixedly installed on the threaded vertical pipe (1301) at equal intervals, and the water drainage holes (1201) penetrating through the second vertical stirring plates (1202) are uniformly formed in the four groups of the second vertical stirring plates (1202).
7. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 1, wherein: fixed mounting is located to sewage treatment case (4) top intermediate position has storage box (20), the left side of storage box (20) inner chamber is provided with second locker room (19), the right side of storage box (20) inner chamber is provided with first locker room (18), material supplement mouth (16) that extend to second locker room (19) and first locker room (18) inner chamber respectively are seted up to storage box (20) top left and right sides, discharging pipe (6) that extend to first sewage treatment room (3) and second sewage treatment room (14) inner chamber respectively are all installed to storage box (20) positive lateral wall bottom left and right sides.
8. The desulfurization and denitrification high-turbidity sewage treatment plant according to claim 7, wherein: storage box (20) right side and the top fixed mounting who is located sewage treatment case (4) have second servo motor (15), second servo motor (15) left side output has hob (17) that extend to first locker room (18) and second locker room (19) inner chamber through shaft coupling fixed mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680999.6U CN212374918U (en) | 2020-08-13 | 2020-08-13 | High-turbidity sewage treatment device for desulfurization and denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680999.6U CN212374918U (en) | 2020-08-13 | 2020-08-13 | High-turbidity sewage treatment device for desulfurization and denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212374918U true CN212374918U (en) | 2021-01-19 |
Family
ID=74173141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021680999.6U Active CN212374918U (en) | 2020-08-13 | 2020-08-13 | High-turbidity sewage treatment device for desulfurization and denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212374918U (en) |
-
2020
- 2020-08-13 CN CN202021680999.6U patent/CN212374918U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209287120U (en) | Blender for sewage treatment | |
| CN210711083U (en) | Building engineering's integration sewage purification treatment device | |
| CN212374918U (en) | High-turbidity sewage treatment device for desulfurization and denitrification | |
| CN109516652A (en) | A kind of black-odor riverway sewage treatment process | |
| CN210764741U (en) | Sedimentation tank for industrial sewage treatment | |
| CN111777113A (en) | High-turbidity sewage treatment device for desulfurization and denitrification | |
| CN115093053B (en) | Integrated sewage treatment system for landscape design | |
| CN214693682U (en) | High-efficient electrolytic heavy metal sewage treatment plant | |
| CN214781193U (en) | Industrial sewage heavy metal neutralization apparatus | |
| CN214990794U (en) | Heavy metal recovery unit in electroplating effluent | |
| CN210656499U (en) | Environment-friendly sewage treatment device for city | |
| CN211471071U (en) | Inorganic chemical wastewater treatment tank convenient for slag discharge | |
| CN110787506A (en) | Kitchen hardware kitchen waste treatment equipment | |
| CN218579728U (en) | Sedimentation tank charge device for sewage treatment | |
| CN214087861U (en) | Intelligent feeding control device for monitoring type waste acid water preparation treatment coagulant | |
| CN216711687U (en) | Device for smooth sludge discharge between phosphorus removal | |
| CN220335042U (en) | River channel dredging equipment for hydraulic engineering construction | |
| CN219603406U (en) | Automatic integrated sewage treatment device | |
| CN214681206U (en) | Water treatment medicament mixing arrangement for industrial water treatment | |
| CN216062148U (en) | Two heavy pond dross remove device | |
| CN216403906U (en) | Sewage dephosphorization equipment utilizing dephosphorization adsorbent | |
| CN218642500U (en) | Dosing device for quantitative dosing for sewage treatment | |
| CN220166019U (en) | System for treating fluoride | |
| CN220845670U (en) | Purifying device for electrolyte for formation foil production | |
| CN113336362B (en) | Environment-friendly industrial wastewater treatment tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |