CN110759501B - Environment-friendly equipment capable of treating sewage through wind energy - Google Patents
Environment-friendly equipment capable of treating sewage through wind energy Download PDFInfo
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- CN110759501B CN110759501B CN201911038004.8A CN201911038004A CN110759501B CN 110759501 B CN110759501 B CN 110759501B CN 201911038004 A CN201911038004 A CN 201911038004A CN 110759501 B CN110759501 B CN 110759501B
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- sewage treatment
- filter frame
- filter
- wind energy
- sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly device capable of carrying out sewage treatment through wind energy, which comprises a sewage treatment tank, wherein the bottom end of the sewage treatment tank is welded with supporting legs, one side of the bottom of the sewage treatment tank is provided with a sewage inlet pipe in a penetrating way, the inner side of the top of the sewage treatment tank is provided with a slag collecting groove and a slag scraping plate, one side of the outer part of the sewage treatment tank is provided with a power supply box, the other side of the outer part of the sewage treatment tank is provided with a purification box, a primary filter screen and a filter frame are arranged above the sewage inlet pipe, the filter frame is: the invention is provided with the purifying box structure outside the sewage treatment pool, and is provided with a plurality of filter sleeves inside the purifying box, when in use, the submersible pump is used for supplying water to the inside of the purifying box, and the water flow passes through the filter sleeves, is purified by the quartz sand inside the filter sleeves, and finally returns to the inside of the sewage treatment pool again.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly device capable of treating sewage through wind energy.
Background
Sewage treatment means make it reach and to discharge into a certain water or process of using once more with means such as sewage filter, absorption, sediment, and now, more common sewage treatment means lets in it in the purifying tank, then discharges the bubble to aquatic through aeration machine and dissolved gas jar, utilizes the bubble to make the particulate matter of aquatic come-up, utilizes the scum board to scrape off the residue that floats on the surface of water at last to this realization purifying process. However, the existing purification tank still has some defects and shortcomings when the sewage treatment is carried out, and the defects are as follows:
1. the driving devices of the aerator and the scum board in the existing purification tank are driven by an external power supply, so that the power consumption is high, and the purification tank is usually arranged in an open environment, so that if wind energy can be utilized for sewage treatment, the utilization rate of the power can be greatly saved;
2. the purification tank in the prior art is generally low in efficiency, and because the purification means of the purification tank is single, a lot of fine particles and water-soluble substances in water cannot be removed, namely the whole purification degree is not thorough enough, so that the invention provides an environment-friendly device capable of treating sewage through wind energy, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide an environment-friendly device for treating sewage through wind energy, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly device capable of processing sewage through wind energy comprises a sewage processing pool, wherein the bottom end of the sewage processing pool is welded with supporting legs, one side of the bottom of the sewage processing pool is provided with a sewage inlet pipe in a penetrating way, the inner side of the top of the sewage processing pool is provided with a slag collecting groove and a slag scraping plate, one side of the outside of the sewage processing pool is provided with a power supply box, the other side of the outside of the sewage inlet pipe is provided with a purifying box, a primary filter screen and a filter frame are arranged above the sewage inlet pipe, the filter frame is positioned above the primary filter screen, the slag collecting groove is welded and fixed on the inner wall of the sewage processing pool, one side of the bottom of the slag collecting groove is provided with a slag discharging pipe in a penetrating way, the outer side of the power supply box is fixedly provided with a wind energy generator, the upper part of the inner side of the power generator is provided with a storage battery, the lower part of the inner side of the, an aeration box is arranged in the middle section of the interior of the sewage treatment tank, the aeration box is of a cylindrical hollow structure, the bottom end of the aerator is provided with an air inlet, the top end of the aerator is evenly provided with aeration pipes, the air inlet is connected with the inner end of an air outlet pipe of the aerator, the aeration pipe is evenly provided with air nozzles, one side of the top of the purification box is provided with a water inlet pipe in a penetrating way, a water outlet pipe penetrates through one side of the bottom of the sewage treatment tank, a filter frame is inserted into the middle section of the sewage treatment tank, the water inlet pipe and the water outlet pipe both penetrate through the side wall of the sewage treatment tank, a submersible pump is connected to the inner end of the water inlet pipe, the filter frame is in a side concave structure, the top end of the filter is evenly provided with a circular hole in a penetrating way, the bottom end of the circular hole is provided with an outer filter sleeve, the inner side of the outer filter sleeve is sleeved with an inner filter sleeve, the top ends of the inner filter sleeve and the outer filter sleeve are welded and fixed on the top side of the inside of the filter frame, and quartz sand is filled between the inner filter sleeve and the outer filter sleeve.
Preferably, the inside both sides of scum board all are equipped with the transmission shaft, the both ends of transmission shaft all are connected with the inner wall rotation in sewage treatment pond, the outside in sewage treatment pond is equipped with drive arrangement, drive arrangement and battery electric connection, and drive arrangement's output tip run through the lateral wall in sewage treatment pond and with a transmission shaft of scum board is connected.
Preferably, run through on the lateral wall of purifying box and seted up the socket of wearing, both sides are all laminated and are equipped with the inner caulking groove about the inside wall of purifying box, the filter frame runs through in the socket, and the inner of filter frame all imbeds in the inner caulking groove.
Preferably, the top end of the inserting hole is welded with a column cap, the top end of the filter frame is provided with a positioning hole in a penetrating mode, the positioning rod is arranged inside the column cap in a penetrating mode, and the bottom of the positioning rod is embedded into the positioning hole.
Preferably, the outside of locating lever cup joints and is equipped with compression spring, compression spring's upper and lower both ends are connected with the top of locating lever lower limb and the top of cap respectively.
Preferably, the filter frame is cuboid hollow structure, and its length and width equal length and the width of sewage treatment pond inboard respectively, and both sides all are the hourglass netlike about it, and its inside packing has the metalling.
Preferably, the bottom of the sewage treatment tank is in a conical shape, a slag outlet is formed in the bottom end of the sewage treatment tank, and an end cover is spirally screwed at the bottom end of the slag outlet.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the power supply box is arranged on the outer side of the sewage treatment tank, the wind driven generator is fixedly arranged on the outer side of the power supply box, the storage battery is arranged on the inner side of the power supply box, the wind driven generator is used for supplying power to the storage battery, and the storage battery is used for supplying power to the aerator, the slag scraping plate and the water pump, so that compared with the traditional technology, the electric energy is greatly saved;
2. the invention is provided with the structure of the purifying box outside the sewage treatment pool, and there are numerous filter sleeves in the inboard of the purifying box, while using, utilize the diving pump to supply water to the inside of the purifying box, the rivers are purified by the quartz sand inside the filter sleeve after passing the filter sleeve, get back to the inside of the sewage treatment pool again finally, compare with the traditional technology, the invention has enriched the sewage treatment means, have raised the treatment effeciency of the sewage too;
3. the middle section in the sewage treatment tank is provided with the aeration box, the aeration box is connected with the aerator, the top end of the aeration box is provided with a plurality of aeration pipes, and the aeration pipes are uniformly provided with air holes, so that air bubbles can be more fully and uniformly diffused, and the sewage purification efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A of the present invention;
FIG. 3 is an enlarged view of the structure at B of the present invention;
FIG. 4 is a schematic structural view of an aeration tank according to the present invention;
FIG. 5 is a schematic view of the filter frame structure of the present invention.
In the figure: 1 sewage treatment pond, 2 supporting legss, 3 sewage inlet tube, 4 elementary filter screens, 5 filter frames, 6 rubble layers, 7 collection sediment groove, 8 pipe of slagging tap, 9 scum board, 10 power supply boxes, 11 purifying box, 12 wind energy generator, 13 batteries, 14 aeration machines, 15 air intakes, 16 aeration boxes, 17 aeration pipes, 18 gas pocket, 19 immersible pumps, 20 filter frames, 21 round holes, 22 outer filter sleeves, 23 interior filter sleeves, 24 quartz sand, 25 cap, 26 locating levers, 27 compression spring.
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. 1-5, the present invention provides a technical solution: an environment-friendly device capable of processing sewage through wind energy, which comprises a sewage processing pool 1, wherein the bottom end of the sewage processing pool 1 is welded with a supporting leg 2, a sewage inlet pipe 3 is arranged at one side of the bottom of the slag remover in a penetrating way, a slag collecting groove 7 and a slag scraping plate 9 are arranged at the inner side of the top of the slag remover, a power supply box 10 is arranged on one side of the outer part of the sewage treatment device, a purification box 11 is arranged on the other side of the outer part of the sewage treatment device, a primary filter screen 4 and a filter frame 5 are arranged above a sewage inlet pipe 3, the filter frame 5 is positioned above the primary filter screen 4, the slag collecting groove 7 is welded and fixed on the inner wall of the sewage treatment tank 1, and one side of the bottom of the slag collecting groove 7 is provided with a slag discharging pipe 8 in a penetrating way, the position relation of each structure is shown in figure 1, wherein primary filter screen 4 and filter frame 5 all play the filtering action, and slag collecting tank 7 is used for collecting the residue that floats on the surface of water, and scum board 9 is used for scraping the residue to slag collecting tank 7's inside, and slag pipe 8 is used for arranging the sediment.
The wind driven generator 12 is fixedly installed on the outer side of the power supply box 10, a storage battery 13 is arranged above the inner side of the power supply box, an aerator 14 is arranged below the inner side of the power supply box, an air inlet 15 is arranged on the outer side wall of the power supply box in a penetrating manner, the wind driven generator 12 is electrically connected with the storage battery 13, the storage battery 13 is electrically connected with the aerator 14, an air outlet pipe of the aerator 14 penetrates through the side wall of the sewage treatment tank 1 and extends to the middle section of the inner side of the sewage treatment tank 1, an aerator box 16 is arranged at the middle section of the inside of the sewage treatment tank 1, the aerator box 16 is of a cylindrical hollow structure, an air inlet is arranged at the bottom end of the aerator box, aerator pipes 17 are uniformly arranged at the top end of the aerator box, the air inlet is connected with the inner end of the air outlet pipe of the aerator 14, air nozzles are uniformly arranged, is beneficial to the uniform distribution of bubbles in the sewage treatment tank 1.
The top one side of purifying box 11 runs through and is equipped with the inlet tube, its bottom one side runs through and is equipped with the outlet pipe, its middle part is worn to insert and is equipped with filter frame 20, inlet tube and outlet pipe all run through the lateral wall of sewage treatment pond 1, and the inner connection of inlet tube is equipped with immersible pump 19, filter frame 20 is undercut font structure, its top evenly runs through and has seted up round hole 21, the bottom of round hole 21 all is equipped with outer filter sleeve 22, outer filter sleeve 22's inboard all cup joints and is equipped with interior filter sleeve 23, the equal welded fastening in top of interior filter sleeve 23 and outer filter sleeve 22 is on the inside top side of filter frame 20, and it is equipped with quartz sand 24 to fill between the two, immersible pump 19 is same with battery 13 electric connection, and the lateral wall of outer filter sleeve 22 and interior filter sleeve 23 is the mesh form, the two bottom is solid platelike material, the intussuseption of the gap.
The inside both sides of scum board 9 all are equipped with the transmission shaft, the both ends of transmission shaft all are connected with the inner wall rotation of sewage treatment pond 1, the outside of sewage treatment pond 1 is equipped with drive arrangement, drive arrangement and battery 13 electric connection, and drive arrangement's output end portion runs through the lateral wall of sewage treatment pond 1 and is connected with a transmission shaft of scum board 9, scum board 9 is the chain scum device, its one end passes through drive arrangement and drives, and the scum tank 7 of gathering is scraped to the dross on the surface of water of continuous source.
Run through on the lateral wall of purifying box 11 and seted up the socket of wearing, the caulking groove in both sides all laminating is equipped with about the inside wall of purifying box 11, and filter 20 runs through in the interlude, and filter 20's the inner all imbeds in the caulking groove, filter 20's side imbeds promptly in the caulking groove, and its effect is the leakproofness of reinforcing filter 20, places sewage and drills out from filter 20 and purifying box 11's gap.
The top end of the insertion hole is welded with a column cap 25, the top end of the filter frame 20 is provided with a positioning hole in a penetrating manner, a positioning rod 26 is inserted into the column cap 25, the bottom of the positioning rod 26 is embedded into the positioning hole, and as shown in fig. 3, after the inner end of the positioning rod 26 is embedded into the positioning hole, the position of the filter frame 20 is fixed.
The outside of locating lever 26 cup joints and is equipped with compression spring 27, and compression spring 27's upper and lower both ends are connected with the top of locating lever 26 respectively down along and the top of cap 25, and compression spring 27 plays the fixed action, ensures that the inner of locating lever 26 imbeds all the time in the locating hole and locating lever 26 plug is convenient.
The bottom of the sewage treatment tank 1 is in a conical shape, a slag outlet is formed in the bottom end of the sewage treatment tank, an end cover is spirally screwed at the bottom end of the slag outlet, and after the end cover is taken down, sediment can be directly discharged from the slag outlet as shown in figure 1.
The working principle is as follows: when the sewage treatment device is used, sewage is introduced into the sewage treatment tank 1 from the sewage inlet pipe 3, large-particle residues are directly remained in the bottom of the sewage treatment tank 1 after being filtered by the primary filter screen 4 and the filter frame 5, and the primarily purified sewage enters the upper part of the sewage treatment tank 1. The aerator 14 and the scum board 9 are started, the aerator 14 leads the gas into the aeration tank 16, and finally the gas is discharged from the aeration pipe 17 at the top end of the aeration tank 16, and the number of the air holes on the aeration pipe 17 is large, so that the air bubbles can be fully and uniformly diffused in the sewage, and the purification efficiency of the sewage is improved. In addition, the purification box 11 is arranged on the outer side of the sewage treatment pool 1, the submersible pump 19 is arranged on the inner side of the purification box, sewage is introduced into the purification box 11 by the submersible pump 19, and the sewage is filtered by the filter sleeves on the two sides and the quartz sand 24 and then returns to the sewage treatment pool 1, so that the purification means of the sewage treatment pool 1 are enriched, and the purification efficiency is improved again. The wind driven generator 12 is fixedly installed on the outer side of the power supply box 10, the storage battery 13 is arranged in the power supply box, when the wind driven generator is used, the wind driven generator 12 is used for supplying power to the storage battery 13, the storage battery 13 is used for supplying power to the aerator 14, the slag scraping plate 9 and the water pump 19, the power demand of the wind driven generator can be realized without an external power supply under the common condition, and the electric energy is saved to the great extent.
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 (7)
1. The utility model provides an environmental protection formula accessible wind energy carries out sewage treatment's equipment, includes sewage treatment pond (1), its characterized in that: the bottom welding of sewage treatment pond (1) is equipped with supporting legs (2), and its bottom one side runs through and is equipped with sewage inlet tube (3), and its top inboard is equipped with collection slag groove (7) and scum board (9), and its outside one side is equipped with power box (10), and the opposite side is equipped with purifying box (11), the top of sewage inlet tube (3) is equipped with elementary filter screen (4) and filter frame (5), and filter frame (5) are located the top of elementary filter screen (4), collection slag groove (7) welded fastening is on the inner wall of sewage treatment pond (1), and runs through on bottom one side of collection slag groove (7) and is equipped with slag pipe (8), the outside fixed mounting wind energy generator (12) of power box (10), its inboard top is equipped with battery (13), and its inboard below is equipped with aeration machine (14), runs through on its lateral wall and has seted up air intake (15), electric connection between wind energy generator (12) and battery (13), the electric connection between battery (13) and aerator (14), the outlet duct of aerator (14) runs through the lateral wall of sewage treatment pond (1) and extends to the inboard middle section of sewage treatment pond (1), the inside middle section of sewage treatment pond (1) is equipped with aeration tank (16), aeration tank (16) are cylindric hollow structure, and the air inlet has been seted up to its bottom, and its top evenly is provided with aeration pipe (17), the air inlet is connected with the outlet duct inner of aerator (14), evenly seted up the air cock on aeration pipe (17), the top one side of purifying box (11) is run through and is equipped with the inlet tube, and its bottom one side runs through and is equipped with the outlet pipe, and its middle section alternates and is equipped with filter frame (20), inlet tube and outlet pipe all run through the lateral wall of sewage treatment pond (1), and the inner connection of inlet tube is equipped with immersible pump (19), filter frame (20) is the undercut font structure, and round hole (21) have evenly been seted up in its top running through, the bottom of round hole (21) all is equipped with outer filter sleeve (22), the inboard of outer filter sleeve (22) all cup joints and is equipped with interior filter sleeve (23), the equal welded fastening in top of interior filter sleeve (23) and outer filter sleeve (22) is on the inside top side of filter frame (20), and the packing is equipped with quartz sand (24) between the two.
2. The environmental-friendly wind energy sewage treatment equipment as claimed in claim 1, wherein: scrape the inside both sides of cinder plate (9) and all be equipped with the transmission shaft, the both ends of transmission shaft all rotate with the inner wall in sewage treatment pond (1) and be connected, the outside in sewage treatment pond (1) is equipped with drive arrangement, drive arrangement and battery (13) electric connection, and drive arrangement's output tip run through the lateral wall in sewage treatment pond (1) and with a transmission shaft of cinder plate (9) of scraping.
3. The environmental-friendly wind energy sewage treatment equipment as claimed in claim 1, wherein: run through on the lateral wall of purifying box (11) and seted up the socket of wearing, both sides all laminate and are equipped with the inner caulking groove about the inside wall of purifying box (11), filter frame (20) run through in the socket, and the inner of filter frame (20) all imbeds in the inner caulking groove.
4. An environmental protection type wind energy sewage treatment equipment according to claim 1 or claim 3, characterized in that: the top end of the inserting hole is welded with a column cap (25), the top end of the filter frame (20) penetrates through a positioning hole, a positioning rod (26) is inserted into the column cap (25), and the bottom of the positioning rod (26) is embedded into the positioning hole.
5. The environmental-friendly wind energy sewage treatment equipment as claimed in claim 4, wherein: the outer side of the positioning rod (26) is sleeved with a compression spring (27), and the upper end and the lower end of the compression spring (27) are respectively connected with the lower edge of the top end of the positioning rod (26) and the top end of the column cap (25).
6. The environmental-friendly wind energy sewage treatment equipment as claimed in claim 1, wherein: the filter frame (5) is a cuboid hollow structure, the length and the width of the filter frame are respectively equal to the length and the width of the inner side of the sewage treatment tank (1), the upper side and the lower side of the filter frame are both in a net leakage shape, and the interior of the filter frame is filled with a gravel layer (6).
7. The environmental-friendly wind energy sewage treatment equipment as claimed in claim 1, wherein: the bottom of the sewage treatment tank (1) is in a conical shape, a slag outlet is formed in the bottom end of the sewage treatment tank, and an end cover is spirally screwed at the bottom end of the slag outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911038004.8A CN110759501B (en) | 2019-10-29 | 2019-10-29 | Environment-friendly equipment capable of treating sewage through wind energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038004.8A CN110759501B (en) | 2019-10-29 | 2019-10-29 | Environment-friendly equipment capable of treating sewage through wind energy |
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| CN110759501A CN110759501A (en) | 2020-02-07 |
| CN110759501B true CN110759501B (en) | 2020-11-17 |
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| CN113101706A (en) * | 2021-04-07 | 2021-07-13 | 无锡市鸣腾建设工程股份有限公司 | Unpowered aeration ecological filter |
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| US6685830B2 (en) * | 1999-07-13 | 2004-02-03 | Hewlett-Packard Development Company, L.P. | Process and device for separation of absorbent/floating material from product mixes by means of float/sink separation |
| KR20180054353A (en) * | 2016-11-15 | 2018-05-24 | 우진건설주식회사 | Complex type eco-friendly algae disposal system using electro-oxidation and levitation process |
| CN206751459U (en) * | 2017-05-16 | 2017-12-15 | 广东德兴食品股份有限公司 | A kind of air floatation machine |
| CN108516647A (en) * | 2018-03-20 | 2018-09-11 | 百世杉集团有限公司 | A kind of sewage-treatment plant based on solar wind-energy |
| CN208532301U (en) * | 2018-05-12 | 2019-02-22 | 宁波得水环保科技有限公司 | A kind of air floatation machine |
| CN208980370U (en) * | 2018-08-21 | 2019-06-14 | 天津中环瑞亚环保科技有限公司 | A kind of sewage prevention and treatment air-float integral equipment |
| CN108911435A (en) * | 2018-09-06 | 2018-11-30 | 浙江东盛印染有限公司 | A kind of dyeing and printing sewage processing system and processing method |
| CN109019739A (en) * | 2018-09-29 | 2018-12-18 | 佛山科学技术学院 | A kind of water process air floatation machine |
| CN209412023U (en) * | 2018-11-29 | 2019-09-20 | 浙江友创环境技术有限公司 | A kind of water-jet loom advanced waste treatment system |
| CN110028174A (en) * | 2019-05-30 | 2019-07-19 | 山西浩森洗涤机械制造有限公司 | Washes purification, decoloration, heat-energy recovering apparatus and method |
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Address after: 271021 Taishan college, middle section of Yingbin Avenue, Daiyue district, Tai'an City, Shandong Province Applicant after: Zhang Liang Address before: 312500 No. 508, Huancheng West Road, Shaoxing City, Shaoxing City, Zhejiang Province Applicant before: Zhang Liang |
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Effective date of registration: 20201028 Address after: 266 Changjiang Middle Road, Chizhou City, Anhui Province Applicant after: He Yuandong Address before: 271021 Taishan college, middle section of Yingbin Avenue, Daiyue district, Tai'an City, Shandong Province Applicant before: Zhang Liang |
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