CN218309991U - Kitchen waste treatment system - Google Patents
Kitchen waste treatment system Download PDFInfo
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- CN218309991U CN218309991U CN202222425584.XU CN202222425584U CN218309991U CN 218309991 U CN218309991 U CN 218309991U CN 202222425584 U CN202222425584 U CN 202222425584U CN 218309991 U CN218309991 U CN 218309991U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model discloses a kitchen garbage processing system belongs to the environmental protection technology field. This kitchen garbage processing system includes: anaerobic intake pump, anaerobic reactor, sludge settling tank and sludge return pump, anaerobic reactor and anaerobic intake pump intercommunication, sludge settling tank and anaerobic reactor intercommunication, sludge return pump's feed liquor end and sludge settling tank intercommunication, go out the anaerobic tank water inlet intercommunication of liquid end and anaerobic reactor, the utility model discloses a sludge settling tank holds back the active sludge that kitchen cabinet anaerobic reactor lost, and the anaerobic reactor is beaten back to the rethread backwash pump, has increased mud dwell time, active sludge concentration, anaerobic reactor's organic load, has reduced reactor volume and area, has reduced investment cost, and then has solved prior art equipment volume big, and the material consumption is many, problem that investment cost is high.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, specifically a kitchen garbage processing system.
Background
The current wet-type anaerobic reactor technology in the kitchen industry mostly adopts a fully-mixed anaerobic reactor, the fully-mixed anaerobic reactor is provided with a stirring device in a conventional reactor, so that fermentation raw materials and microorganisms are in a fully-mixed state, and the anaerobic reactors have obvious defects: the existing process is directly discharged into a rear-end treatment process after flowing out of an anaerobic tank, a large amount of cultured anaerobic activated sludge is taken away by wastewater flowing out of an anaerobic reactor, the concentration of the activated sludge of the anaerobic reactor is reduced due to the loss of the activated sludge, the organic load of the reactor is low, and the technical scheme adopted by the prior art for solving the problem is to increase the volume to make up for the problem of concentration reduction, so that the problems of large volume, more materials and high investment cost of the prior art are caused.
Disclosure of Invention
Utility model purpose: the kitchen waste treatment system can intercept anaerobic activated sludge which is drained by the kitchen anaerobic reactor, and further reduces investment cost.
The technical scheme of the utility model is that: a kitchen waste disposal system comprises: and the anaerobic water inlet pump is used for conveying the wastewater to be treated into the kitchen waste treatment system from the outside.
And the water inlet of the anaerobic tank of the anaerobic reactor is communicated with the liquid outlet end of the anaerobic water inlet pump and is used for degrading the wastewater to be treated into methane and degradation liquid mixed with anaerobic activated sludge.
And the water inlet of the sludge settling tank is communicated with the anaerobic reactor and is used for accommodating the degradation liquid mixed with the anaerobic activated sludge output by the anaerobic reactor and separating the degradation liquid mixed with the anaerobic activated sludge into methane, treated wastewater and anaerobic activated sludge.
The liquid inlet end of the sludge reflux pump is communicated with the sludge settling tank, the liquid outlet end of the sludge reflux pump is communicated with the water inlet of the anaerobic tank of the anaerobic reactor, and the sludge reflux pump is used for conveying anaerobic activated sludge in the sludge settling tank into the anaerobic reactor.
In a further embodiment, the kitchen waste disposal system further includes: and the liquid inlet end of the check valve is communicated with the liquid outlet end of the sludge reflux pump, and the liquid outlet end of the check valve is communicated with the water inlet of the anaerobic tank of the anaerobic reactor.
And one end of the sludge discharge stop valve is communicated with the liquid outlet end of the sludge reflux pump and the liquid inlet end of the check valve, and the other end of the sludge discharge stop valve is a sludge discharge port extending to an external preset position.
When the total amount of anaerobic activated sludge in the anaerobic reactor exceeds a threshold value, a predetermined amount of anaerobic activated sludge is discharged from the sludge discharge port, and the total amount of anaerobic activated sludge can be adjusted by arranging the sludge discharge port.
In a further embodiment, the anaerobic reactor further comprises: a plurality of sample connection distributes in anaerobic reactor's side along the direction of height for detect anaerobic activated sludge's total amount in anaerobic reactor, through setting up the total amount that anaerobic activated sludge in a plurality of sample connections can be accurate and convenient detection anaerobic reactor.
In a further embodiment, the kitchen waste treatment system further includes: and the water inlet flow meter is arranged between the liquid outlet end of the anaerobic water inlet pump and the anaerobic reactor and is electrically connected with the anaerobic water inlet pump.
When the anaerobic reactor works, the inflow flowmeter monitors the flow between the anaerobic inflow pump and the anaerobic reactor in real time, and sends a flow control signal to the anaerobic inflow pump, so that the output flow of the anaerobic inflow pump is in a preset range, the inflow flow is constant and does not fluctuate, and the impact load of the anaerobic reactor is reduced.
In a further embodiment, an anaerobic tank stirring device is further arranged in the anaerobic reactor and used for stirring materials in the anaerobic reactor, and anaerobic active mud and wastewater to be treated in the anaerobic reactor can be fully mixed through the stirring of the anaerobic tank stirring device, so that the degradation efficiency of the wastewater to be treated is improved.
In a further embodiment, the kitchen waste disposal system further includes: and one end of the anaerobic tank methane outlet is communicated with the anaerobic reactor, and the other end of the anaerobic tank methane outlet extends to an external preset position and is used for outputting methane in the anaerobic reactor to the external preset position.
One end of the settling tank methane outlet is communicated with the sludge settling tank, and the other end of the settling tank methane outlet extends to an external preset position and is used for outputting methane in the sludge settling tank to the external preset position, so that the pressure stability of the anaerobic reactor and the sludge settling tank can be ensured.
In a further embodiment, the kitchen waste disposal system further includes: one end of the anaerobic tank safety valve is communicated with the anaerobic reactor, and the other end of the anaerobic tank safety valve extends to an external preset position.
One end of the settling tank safety valve is communicated with the sludge settling tank, and the other end of the settling tank safety valve extends to an external preset position, so that the environment in the anaerobic reactor and the sludge settling tank can be ensured to be within a safety range, and the safe use is realized.
The beneficial effects of the utility model are that: activated sludge lost by the kitchen anaerobic reactor is intercepted by the sludge settling tank, and then is pumped back to the anaerobic reactor through the reflux pump, so that the organic load of sludge retention time, activated sludge concentration and the anaerobic reactor is increased, the volume and the occupied area of the reactor are reduced, the investment cost is reduced, and the problems of large volume, more materials and high investment cost of the prior art are solved.
Drawings
FIG. 1 is a schematic view of a processing system of the present invention.
The reference symbols shown in the figures are: 1. an anaerobic water inlet pump; 2. an anaerobic reactor; 3. a sludge settling tank; 4. a sludge reflux pump; 5. a sludge discharge stop valve; 6. a check valve; 7. a water inlet flow meter; 8. a water outlet of the settling tank; 9. an anaerobic tank stirring device; 10. a biogas outlet of the anaerobic tank; 11. a settling tank methane outlet; 12. an anaerobic tank safety valve; 13. a settling tank safety valve; 14. a wastewater pretreatment process; 15. a biogas purification system; 16. a wastewater post-treatment process; 17. a sludge rear-end treatment process.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The application discloses can return anaerobic reactor with the activated sludge that anaerobic reactor flows off, increase sludge dwell time's kitchen garbage processing system and because its sludge interception technology.
Kitchen garbage processing system includes: an anaerobic water inlet pump 1, an anaerobic reactor 2, a sludge settling tank 3 and a sludge reflux pump 4.
In the embodiment shown in fig. 1, the anaerobic feed pump 1 conveys the wastewater to be treated from the wastewater pretreatment process 14 outside the kitchen waste treatment system to the kitchen waste treatment system.
The anaerobic reactor 2 is an anaerobic tank in the embodiment shown in fig. 1, the water inlet of the anaerobic tank is communicated with the liquid outlet end of the anaerobic intake pump 1, the anaerobic reactor is used for degrading the waste water to be treated into methane and degradation liquid mixed with anaerobic activated sludge, facultative bacteria and anaerobic bacteria are arranged in the anaerobic reactor 2, and the anaerobic reactor 2 is also provided with an anaerobic tank methane outlet 10 and an anaerobic tank water outlet.
A water inlet of a sludge settling tank 3 of the sludge settling tank 3 is communicated with the anaerobic reactor 2 and is used for accommodating a degradation liquid mixed with anaerobic activated sludge output by the anaerobic reactor 2 and separating the degradation liquid mixed with the anaerobic activated sludge into methane, treated wastewater and anaerobic activated sludge, the sludge settling tank 3 is also provided with a settling tank water outlet 8, one end of the settling tank water outlet 8 is arranged in the sludge settling tank 3, the other end of the settling tank water outlet 8 extends to an external preset position, and in the embodiment shown in fig. 1, the wastewater enters a wastewater post-treatment process 16 after coming out from the other end of the settling tank water outlet 8.
The liquid inlet end of the sludge reflux pump 4 is communicated with the sludge settling tank 3, and the liquid outlet end thereof is communicated with the water inlet of the anaerobic tank of the anaerobic reactor 2, and is used for conveying anaerobic activated sludge in the sludge settling tank 3 into the anaerobic reactor 2.
The working principle is as follows: the anaerobic water inlet pump 1 conveys waste water to be treated into the anaerobic reactor 2 from the outside, the anaerobic reactor 2 can decompose biodegradable organic matters into CH4, CO2, H2O and H2S through facultative bacteria and anaerobic bacteria, the COD degradation rate can reach 90%, wherein the gas generated by decomposition is collectively called as marsh gas, the marsh gas is discharged from a marsh gas outlet 10 of the anaerobic tank, and the degradation liquid mixed with anaerobic activated sludge is decomposed.
The anaerobic reactor 2 outputs the degradation liquid mixed with the anaerobic activated sludge to the sludge settling tank 3, the degradation liquid mixed with the anaerobic activated sludge is degassed in the sludge settling tank 3, then the mud and water part is settled by gravity to realize mud-water separation, then the degradation liquid mixed with the anaerobic activated sludge is separated into methane, treated wastewater and anaerobic activated sludge, and the anaerobic activated sludge is settled at the bottom of the sludge settling tank 3.
The sludge reflux pump 4 conveys anaerobic activated sludge in the sludge settling tank 3 to a water inlet of an anaerobic tank of the anaerobic reactor 2, and the anaerobic activated sludge and wastewater to be treated are mixed at the water inlet of the anaerobic tank and enter the anaerobic reactor 2.
In a further embodiment, the kitchen waste disposal system further includes: a check valve 6 and a mud stop valve 5.
The liquid inlet end of the check valve 6 is communicated with the liquid outlet end of the sludge reflux pump 4, and the liquid outlet end thereof is communicated with the water inlet of the anaerobic tank of the anaerobic reactor 2.
One end of the sludge discharge stop valve 5 is communicated with the liquid outlet end of the sludge reflux pump 4 and the liquid inlet end of the check valve 6, and the other end of the sludge discharge stop valve is a sludge discharge port extending to an external preset position.
When the total amount of anaerobic activated sludge in the anaerobic reactor 2 exceeds a threshold value, a predetermined amount of anaerobic activated sludge is discharged from the sludge discharge port.
In the embodiment shown in fig. 1, the sludge comes out from the other end of the sludge discharge port and enters a sludge back-end treatment process 17.
In the embodiment, whether the sludge discharge stop valve 5 needs to be opened or not is determined by measuring the sludge concentration in the anaerobic reactor 2 at least twice per week in the daily operation process, the sludge is discharged out of the system, the judgment threshold value of the sludge discharge system is determined by the debugging result, all items are different, the total amount of the sludge to be discharged is determined to be converted into the amount of the sewage, and the sewage is discharged out through the sludge reflux pump 4 under the control of time.
The calculation mode of the absolute dry amount of the sludge needing to be discharged out of the system is as follows:
m sludge treatment ＝V*(P Valve with a valve body -Ps)。
m Sludge treatment : the absolute amount of sludge to be discharged from the system is in kg.
V: total volume of anaerobic reactor and settling tank, unit m 3 。
P Valve with a valve body : anaerobic reactor sludge concentration threshold value, unit kg/m 3 。
Ps: the anaerobic reactor is designed for sludge concentration.
The calculation mode of the amount of water to be discharged from the sludge discharge port is as follows:
V row board *P Valve with a valve body ＝m Sludge treatment ＝(Q Reflux of +Q Inflow water )*t*P Valve with a valve body 。
V Row board The amount of water to be discharged for the sludge discharge outlet, unit m 3 。
Q Reflux of Is the flow rate of the sludge reflux pump in unit m 3 /h。
Q Inflow water Is the water inlet flow of the anaerobic reactor, and the unit m 3 /h。
t, sludge discharge time, unit h.
P Valve with a valve body Anaerobic reactor sludge concentration threshold value, unit kg/m 3 。
Through check valve 6, can prevent that anaerobism intake pump 1 from passing through the system of discharging of mud stop valve 5 discharge with waste water.
Through arranging mud stop valve 5, can adjust the anaerobism activated sludge total amount, the mud discharge mouth sets up the play liquid end at sludge reflux pump 4, and sludge reflux pump 4 can export certain pressure, and sludge reflux pump 4's play liquid end flow stability, more makes things convenient for the mud of arranging.
In a further embodiment, the anaerobic reactor 2 further comprises: the sampling ports are distributed on the side face of the anaerobic reactor 2 along the height direction and used for detecting the total amount of anaerobic activated sludge in the anaerobic reactor 2.
In this example, samples were taken from sampling ports of all heights for each measurement, and then the average value of sludge of all heights was the sludge concentration of the anaerobic reactor 2.
The total amount of the anaerobic activated sludge in the anaerobic reactor 2 can be detected more accurately and more conveniently by arranging a plurality of sampling ports.
In a further embodiment, the kitchen waste treatment system further includes: and a water inlet flow meter 7.
The water inlet flow meter 7 is arranged between the liquid outlet end of the anaerobic water inlet pump 1 and the anaerobic reactor 2 and is electrically connected with the anaerobic water inlet pump 1.
When the anaerobic water inlet pump works, the water inlet flow meter 7 monitors the flow between the anaerobic water inlet pump 1 and the anaerobic reactor 2 in real time and sends a flow control signal to the anaerobic water inlet pump 1 to enable the output flow of the anaerobic water inlet pump 1 to be within a preset range.
The water inlet flow meter 7 can also be connected with the anaerobic water inlet pump 1 through a PLC and other controllers, the water inlet flow meter 7 generates flow data to the controller, and the controller sends a flow control signal to the anaerobic water inlet pump 1.
The flow is monitored in real time through the water inlet flow meter 7, and the water inlet pump is controlled by the parallel lock, so that the water inlet flow is constant and does not fluctuate, and the impact load of the anaerobic reactor 2 is reduced.
In a further embodiment, an anaerobic tank stirring device 9 is further arranged in the anaerobic reactor 2 for stirring the material in the anaerobic reactor 2.
In this embodiment, the anaerobic tank stirring device 9 may be a paddle stirring device or another device capable of stirring the material in the anaerobic reactor 2.
Through the stirring of the anaerobic tank stirring device 9, facultative bacteria and anaerobic bacteria carried by anaerobic active mud in the anaerobic reactor 2 can be fully mixed with the wastewater to be treated, and further the degradation efficiency of the wastewater to be treated is improved.
In a further embodiment, the kitchen waste treatment system further includes: an anaerobic tank biogas outlet 10 and a settling tank biogas outlet 11.
One end of the anaerobic tank methane outlet 10 is communicated with the anaerobic reactor 2, and the other end extends to an external preset position for outputting methane in the anaerobic reactor 2 to the external preset position.
One end of the settling tank biogas outlet 11 is communicated with the sludge settling tank 3, and the other end extends to an external preset position for outputting biogas in the sludge settling tank 3 to the external preset position.
In the embodiment shown in fig. 1, biogas is discharged from the anaerobic tank biogas outlet 10 and the settling tank biogas outlet 11 and then enters the biogas purification system 15.
Biogas in the anaerobic reactor 2 and the sludge settling tank 3 can be discharged in time through the anaerobic tank biogas outlet 10 and the settling tank biogas outlet 11, so that the pressure in the anaerobic reactor 2 and the sludge settling tank 3 is stable, and the stability of the degradation environment is ensured.
In a further embodiment, the kitchen waste disposal system further includes: an anaerobic tank safety valve 12 and a settling tank safety valve 13.
One end of the anaerobic tank safety valve 12 is communicated with the anaerobic reactor 2, and the other end extends to an external preset position.
One end of the settling tank safety valve 13 is communicated with the sludge settling tank 3, and the other end extends to an external preset position.
The anaerobic tank safety valve 12 and the settling tank safety valve 13 can ensure that the internal environments of the anaerobic reactor 2 and the sludge settling tank 3 are in a safe range, thereby realizing safe use.
Examples
In a certain 170 ton kitchen waste and wastewater project, two anaerobic tanks with the sizes of 16 × 15.6 m are originally adopted, and the floor area is 8 × 3.14 × 2=402m 2 After the sludge retention process is adopted, two anaerobic tanks with the volume of 11 x 24 meters are adopted, two sludge settling tanks with the volume of 4 x 11 meters are adopted, and the occupied area is 5.5 x 5.5*3.14*2+2*2*3.14*2＝215m 2 The occupied area is greatly reduced. Meanwhile, two 3135 square tanks are originally needed, the total is 6270 square, only 2 2280 anaerobic tanks and 2 100 square settling tanks are needed at present, the total is 4760, and the investment cost is greatly reduced.
Compared with the traditional anaerobic sludge-free interception and reuse process:
the effect is as follows: the concentration of activated sludge is increased, the SS of the effluent of the original process is about 8000mg/L, the SS of the effluent of the process is 2000mg/L, 6000mg of sludge can be retained in each liter of wastewater, wherein the activated sludge is about 70 percent, and 6000 x 70% =4200mg of activated sludge is increased in each liter of water.
The second effect is that: the sludge retention time SRT is increased, the sludge retention time of the original process is 25 days, and the sludge retention time can be prolonged to 35 days by the sludge retention process.
The effect is three: the volume load VLR of the reactor is increased, and the volume load of the fully-mixed anaerobic reactor 2 can be increased by about 0.15 kgCOD/(m) 3 d)。
The effect is four: the occupied area of the reactor is reduced, the original process simply depends on the large surface area to realize sludge sedimentation so as to retain activated sludge, so that the short and fat type anaerobic reactors 2 are adopted, the occupied area is very large, the process adopts rear-end process sludge interception, and the anaerobic reactor 2 can be made into a high and thin type, so that the occupied area is reduced.
The effect is five: the equipment investment cost is reduced.
The effect is six: the sludge retention effect is good, and the process combines degassing and two sludge retention, so that the sludge retention rate is greatly increased.
The effect is seven: realize through the cooperation of row's mud mouth with sludge reflux pump 4 that it is adjustable to arrange mud, the row's mud mouth has certain pressure in 4 exports of sludge reflux pump, and 4 export flow stabilities of sludge reflux pump, more makes things convenient for the row mud.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A kitchen waste treatment system, characterized by comprising:
the anaerobic water inlet pump (1) is used for conveying wastewater to be treated from the outside to the kitchen waste treatment system;
the anaerobic reactor (2) is communicated with the liquid outlet end of the anaerobic water inlet pump (1) at the water inlet of the anaerobic tank and is used for degrading the waste water to be treated into methane and degradation liquid mixed with anaerobic activated sludge;
the water inlet of the sludge settling tank (3) is communicated with the anaerobic reactor (2), and the sludge settling tank (3) is used for accommodating the degradation liquid mixed with the anaerobic activated sludge output by the anaerobic reactor (2) and separating the degradation liquid mixed with the anaerobic activated sludge into methane, treated wastewater and anaerobic activated sludge;
the liquid inlet end of the sludge reflux pump (4) is communicated with the sludge settling tank (3), the liquid outlet end of the sludge reflux pump is communicated with the water inlet of the anaerobic tank of the anaerobic reactor (2), and the sludge reflux pump is used for conveying anaerobic activated sludge in the sludge settling tank (3) into the anaerobic reactor (2).
2. The kitchen waste treatment system according to claim 1, further comprising:
a check valve (6), the liquid inlet end of which is communicated with the liquid outlet end of the sludge reflux pump (4), and the liquid outlet end of which is communicated with the water inlet of the anaerobic tank of the anaerobic reactor (2);
one end of the sludge discharge stop valve (5) is communicated with the liquid outlet end of the sludge reflux pump (4) and the liquid inlet end of the check valve (6) at the same time, and the other end of the sludge discharge stop valve is a sludge discharge port extending to an external preset position;
the anaerobic reactor (2) further comprises: the sampling ports are used for detecting the total amount of anaerobic activated sludge in the anaerobic reactor (2);
when the total amount of anaerobic activated sludge in the anaerobic reactor (2) exceeds a threshold value, a predetermined amount of anaerobic activated sludge is discharged from the sludge discharge port.
3. The kitchen waste treatment system according to claim 2, characterized in that the anaerobic reactor (2) further comprises: the sampling ports are distributed on the side face of the anaerobic reactor (2) along the height direction and used for detecting the total amount of anaerobic activated sludge in the anaerobic reactor (2).
4. The kitchen waste disposal system according to claim 1, further comprising:
the water inlet flow meter (7) is arranged between the liquid outlet end of the anaerobic water inlet pump (1) and the anaerobic reactor (2) and is electrically connected with the anaerobic water inlet pump (1);
when the anaerobic water inlet pump works, the water inlet flow meter (7) monitors the flow between the anaerobic water inlet pump (1) and the anaerobic reactor (2) in real time, and sends a flow control signal to the anaerobic water inlet pump (1) to enable the output flow of the anaerobic water inlet pump (1) to be within a preset range.
5. The kitchen waste treatment system according to claim 1, characterized in that an anaerobic tank stirring device (9) is further disposed in the anaerobic reactor (2) for stirring the materials in the anaerobic reactor (2).
6. The kitchen waste disposal system according to claim 1, further comprising:
one end of the anaerobic tank methane outlet (10) is communicated with the anaerobic reactor (2), and the other end extends to an external preset position and is used for outputting methane in the anaerobic reactor (2) to the external preset position;
and a settling tank biogas outlet (11), one end of which is communicated with the sludge settling tank (3), and the other end of which extends to an external preset position and is used for outputting biogas in the sludge settling tank (3) to the external preset position.
7. The kitchen waste disposal system according to claim 1, further comprising:
an anaerobic tank safety valve (12), one end of which is communicated with the anaerobic reactor (2), and the other end of which extends to an external preset position;
and one end of the settling tank safety valve (13) is communicated with the sludge settling tank (3), and the other end of the settling tank safety valve extends to an external preset position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425584.XU CN218309991U (en) | 2022-09-14 | 2022-09-14 | Kitchen waste treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222425584.XU CN218309991U (en) | 2022-09-14 | 2022-09-14 | Kitchen waste treatment system |
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| CN218309991U true CN218309991U (en) | 2023-01-17 |
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| CN202222425584.XU Active CN218309991U (en) | 2022-09-14 | 2022-09-14 | Kitchen waste treatment system |
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Effective date of registration: 20230424 Address after: Room D100-168, 1st Floor, Building D, Building 1-8, No. 2 Shangdi Information Road, Haidian District, Beijing, 100000 Patentee after: Yousaibo International Ecological Technology (Beijing) Co.,Ltd. Address before: Room 2008, Block D, Suzhou Central Plaza, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone, Suzhou, Jiangsu 215000 Patentee before: SUZHOU CLEAR INDUSTRY Co.,Ltd. |
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Effective date of registration: 20230801 Address after: Room 2008, Building D, Suzhou Central Plaza Office Building, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee after: SUZHOU CLEAR INDUSTRY Co.,Ltd. Address before: Room D100-168, 1st Floor, Building D, Building 1-8, No. 2 Shangdi Information Road, Haidian District, Beijing, 100000 Patentee before: Yousaibo International Ecological Technology (Beijing) Co.,Ltd. |