CN110686547A - Waste heat recovery device for waste gas environmental protection treatment - Google Patents
Waste heat recovery device for waste gas environmental protection treatment Download PDFInfo
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- CN110686547A CN110686547A CN201910959138.7A CN201910959138A CN110686547A CN 110686547 A CN110686547 A CN 110686547A CN 201910959138 A CN201910959138 A CN 201910959138A CN 110686547 A CN110686547 A CN 110686547A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F5/00—Elements specially adapted for movement
- F28F5/06—Hollow screw conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention belongs to the technical field of waste heat recovery for waste gas treatment, and particularly relates to a waste heat recovery device for waste gas environment-friendly treatment, aiming at the problem of low heat recovery rate of the existing waste heat recovery device for waste gas treatment, the following scheme is provided. According to the waste heat recovery device, the stirring assembly is arranged and comprises the motor, the motor box and the spiral stirring blades, and in the waste heat recovery process, the spiral stirring blades are driven to rotate by the motor, so that waste gas in the box body is driven to rotate, the contact frequency of the waste gas and the heat exchange tube is increased, the heat exchange frequency of the waste gas and the heat exchange tube is further improved, and the waste heat recovery rate of the waste heat recovery device is improved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment and waste heat recovery, in particular to a waste heat recovery device for waste gas environment-friendly treatment.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process; especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, the discharged waste gas has large smell, seriously pollutes the environment and influences the human health, a large amount of heat is carried in a plurality of waste gases, and the direct treatment of the waste gases can cause a large amount of waste of heat, so that a waste heat recovery device needs to be added during the treatment of the waste gases.
The existing waste heat recovery device for waste gas environment-friendly treatment has the following defects: the existing waste heat recovery is generally to let in gas in the box of putting the heat exchange tube, let waste gas and heat exchange tube contact to realize thermal transmission, reach waste heat recovery's effect, however, during waste gas got into the box, waste gas flowed in the box, and only waste gas and the partial heat transfer of heat exchange tube contact realize the heat transfer, and this just leads to this waste heat recovery device waste heat rate low, still causes a large amount of heat wastes, lacks the practicality.
Disclosure of Invention
Based on the problem that the heat recovery rate of the existing waste heat recovery device for waste gas treatment is low, the invention provides a waste heat recovery device for waste gas environment-friendly treatment.
The invention provides a waste heat recovery device for waste gas environment-friendly treatment, which comprises a base, wherein four support columns are arranged on the outer wall of the top of the base, the outer wall of the top of each support column is provided with the same box body, two stirring assemblies are arranged on each box body, each stirring assembly comprises a motor box, a motor and a spiral stirring blade, the motors are arranged on the inner wall of one side of the motor box, the output shafts of the motors are fixed with rotating shafts through couplers, the other ends of the rotating shafts are fixed on the inner wall of the other side of the box body through bearings, and the spiral stirring blades are fixed on the outer wall of.
Preferably, the inner walls of the two sides of the box body between the two stirring assemblies are provided with the same heat exchange pipe.
Preferably, a water inlet pipe is arranged on the outer wall of one side of the heat exchange pipe, a water inlet valve is arranged on the outer wall of the water inlet pipe, a water outlet pipe is arranged on the outer wall of the other side of the heat exchange pipe, and a water outlet valve is arranged on the outer wall of the water outlet pipe.
Preferably, the bottom outer wall of box is equipped with the intake pipe, and the top outer wall of box is equipped with the outlet duct.
Preferably, the top inner wall of heat exchange tube equidistance is equipped with the jib, and the bottom outer wall of every jib all is equipped with solid fixed ring, and every two adjacent solid fixed ring's inner wall is pegged graft and is had same vibrting spear.
Preferably, the top outer wall of box is equipped with the purifying box, and the inside of purifying box is equipped with the purification subassembly, and one side outer wall of purifying box is equipped with the air pump.
Preferably, a through hole is formed in the outer wall of one side of the purifying box, a box door is fixed to the inner wall of the through hole through a hinge, an emptying pipe is arranged on the outer wall of one side of the purifying box, and the outer wall of one side of the purifying box is arranged at the other end of the air outlet pipe.
Preferably, purify the subassembly and include a plurality of active carbon adsorption layers, and a plurality of active carbon adsorption layers all locate the inner wall of purifying box.
Preferably, purify the subassembly and include a plurality of active carbon adsorption layers and the spout corresponding with it, and the top inner wall and the bottom inner wall of purifying box are located respectively to the spout, and active carbon adsorption layer sliding connection is in the inner wall of spout.
The beneficial effects of the invention are as follows:
1. through being provided with the stirring subassembly, the stirring subassembly includes motor, motor case and spiral stirring leaf, and the waste heat recovery in-process drives the rotation of spiral stirring leaf through the motor to it is rotatory to drive the inside waste gas of box, thereby increases the frequency of waste gas and heat exchange tube contact, and then improves the heat exchange frequency of waste gas and heat exchange tube, improves this waste heat recovery device's waste heat recovery rate.
2. Through being provided with the vibration subassembly, the vibration subassembly includes jib, solid fixed ring and vibrting spear, and the waste heat recovery in-process, the vibrting spear drives the inside water of heat exchange tube and flows to make the inside water of heat exchange tube exchange carry out the heat exchange with external waste gas, thereby improve the inside water utilization ratio of heat exchange tube, improve the device's practical value.
3. Through being provided with the active carbon adsorption layer, waste gas waste heat recovery back carries out preliminary purification treatment to it through purifying the subassembly, then through the evacuation pipe with waste gas discharge in the exhaust treatment device, improves the exhaust-gas treatment effect.
4. Through being provided with the spout, active carbon adsorption layer sliding connection is in the inner wall of spout, when carrying out active carbon adsorption layer's change, opens the chamber door, with active carbon adsorption layer from the spout roll-off can, convenient and fast improves work efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of a waste heat recovery device for the environmental protection treatment of waste gas according to the present invention;
fig. 2 is a schematic view of an internal structure of a purification tank of the waste heat recovery device for the environmental protection treatment of exhaust gas in embodiment 1;
fig. 3 is a schematic view of an internal structure of a purification tank of the waste heat recovery device for environmental protection processing of exhaust gas according to embodiment 2.
In the figure: the device comprises a base 1, an air inlet pipe 2, a motor 3, a water inlet pipe 4, a water inlet valve 5, a motor box 6, a heat exchange pipe 7, a suspender 8, a vibrating bar 9, an emptying pipe 10, an air pump 11, a purifying box 12, a gas outlet pipe 13, a fixing ring 14, a water outlet valve 15, a water outlet pipe 16, a box body 17, a spiral stirring blade 18, a supporting column 19, an active carbon adsorption layer 20, a box door 21 and a sliding groove 22.
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.
Example 1
Referring to fig. 1-2, a waste heat recovery device for waste gas environmental protection treatment, comprising a base 1, four support columns 19 are fixed on the outer wall of the top of the base 1 through screws, and the outer walls of the tops of the four support columns 19 are fixed with a same box 17 through screws, two stirring components are arranged on the box 17, each stirring component comprises a motor box 6, a motor 3 and a spiral stirring blade 18, the motor 3 is fixed on the inner wall of one side of the motor box 6 through screws, a rotating shaft is fixed on an output shaft of the motor 3 through a coupler, the other end of the rotating shaft is fixed on the inner wall of the other side of the box 17 through a bearing, the spiral stirring blade 18 is fixed on the outer wall of the rotating shaft through a key, during waste heat recovery, the spiral stirring blade 18 is driven to rotate by the motor 3, thereby driving the waste gas inside the box 17 to rotate, thereby, the waste heat recovery rate of the waste heat recovery device is improved.
Wherein, the inner walls of the two sides of the box body 17 between the two stirring components are fixed with the same heat exchange tube 7 through screws.
The outer wall of one side of the heat exchange tube 7 is connected with a water inlet tube 4 through a flange, the outer wall of the water inlet tube 4 is connected with a water inlet valve 5 through a flange, the outer wall of the other side of the heat exchange tube 7 is connected with a water outlet tube 16 through a flange, and the outer wall of the water outlet tube 16 is connected with a water outlet valve 15 through a flange.
Wherein, the bottom outer wall of box 17 has intake pipe 2 through flange joint, and the top outer wall of box 17 has outlet duct 13 through flange joint.
The hanging rods 8 are fixed on the inner wall of the top of the heat exchange tube 7 at equal intervals through screws, the fixing rings 14 are fixed on the outer wall of the bottom of each hanging rod 8 through screws, and the same vibrating rod 9 is inserted into the inner walls of every two adjacent fixing rings 14.
Wherein, the top outer wall of box 17 has purifying box 12 through the fix with screw, and the inside of purifying box 12 is equipped with the purification subassembly, and one side outer wall of purifying box 12 has air pump 11 through the fix with screw.
Wherein, the through-hole has been opened to one side outer wall of purifying box 12, and the inner wall of through-hole is fixed with chamber door 21 through the hinge, and there is evacuation pipe 10 one side outer wall of purifying box 12 through flange joint, and flange joint is passed through to the other end of outlet duct 13 in one side outer wall of purifying box 12.
Wherein, purify the subassembly and include a plurality of active carbon adsorption layer 20, and a plurality of active carbon adsorption layer 20 all pass through the fix with screw in the inner wall of purifying box 12.
During the use, waste gas passes through during intake pipe 2 gets into box 17, then starter motor 3, motor 3 drives spiral stirring leaf 18 through the pivot and rotates, then it is rotatory to drive the waste gas that gets into the inside of box 17, the rotatory in-process of waste gas, make marginalized waste gas get into heat exchange tube 7 department, thereby improve the waste gas heat transfer rate, when starter motor 3, start vibrting spear 9, vibrting spear 9 drives the inside water flow of heat exchange tube 7, thereby make the water in the heat exchange tube 7 all can carry out the heat exchange with the waste gas of box 17 inside, increase the utilization ratio of water, waste gas after the waste heat recovery passes through outlet duct 13 and gets into in purifying box 12, successively pass through multilayer active carbon adsorption layer 20, realize the preliminary adsorption and purification of waste gas, waste gas after the preliminary adsorption and purification gets into exhaust treatment device through evacuation pipe 10, begin exhaust-.
Example 2
Referring to fig. 1 and 3, a waste heat recovery device for waste gas environmental protection treatment comprises a base 1, four support columns 19 are fixed on the outer wall of the top of the base 1 through screws, the outer wall of the top of each support column 19 is fixed with a same box body 17 through screws, two stirring assemblies are arranged on each box body 17, each stirring assembly comprises a motor box 6, a motor 3 and a spiral stirring blade 18, each motor 3 is fixed on the inner wall of one side of each motor box 6 through screws, a rotating shaft is fixed on an output shaft of each motor 3 through a coupler, the other end of each rotating shaft is fixed on the inner wall of the other side of each box body 17 through a bearing, each spiral stirring blade 18 is fixed on the outer wall of each rotating shaft through a key, during waste heat recovery, each spiral stirring blade 18 is driven to rotate through each motor 3, so that waste gas inside each box body 17 is driven to rotate, the waste heat recovery rate of the waste heat recovery device is improved.
Wherein, the inner walls of the two sides of the box body 17 between the two stirring components are fixed with the same heat exchange tube 7 through screws.
The outer wall of one side of the heat exchange tube 7 is connected with a water inlet tube 4 through a flange, the outer wall of the water inlet tube 4 is connected with a water inlet valve 5 through a flange, the outer wall of the other side of the heat exchange tube 7 is connected with a water outlet tube 16 through a flange, and the outer wall of the water outlet tube 16 is connected with a water outlet valve 15 through a flange.
Wherein, the bottom outer wall of box 17 has intake pipe 2 through flange joint, and the top outer wall of box 17 has outlet duct 13 through flange joint.
The hanging rods 8 are fixed on the inner wall of the top of the heat exchange tube 7 at equal intervals through screws, the fixing rings 14 are fixed on the outer wall of the bottom of each hanging rod 8 through screws, and the same vibrating rod 9 is inserted into the inner walls of every two adjacent fixing rings 14.
Wherein, the top outer wall of box 17 has purifying box 12 through the fix with screw, and the inside of purifying box 12 is equipped with the purification subassembly, and one side outer wall of purifying box 12 has air pump 11 through the fix with screw.
Wherein, the through-hole has been opened to one side outer wall of purifying box 12, and the inner wall of through-hole is fixed with chamber door 21 through the hinge, and there is evacuation pipe 10 one side outer wall of purifying box 12 through flange joint, and flange joint is passed through to the other end of outlet duct 13 in one side outer wall of purifying box 12.
Compare in embodiment 1, purify the subassembly and include a plurality of activated carbon adsorption layer 20 and the spout 22 corresponding with it, and spout 22 is fixed in the top inner wall and the bottom inner wall of purifying box 12 through the screw respectively, and activated carbon adsorption layer 20 sliding connection is in the inner wall of spout 22, when carrying out activated carbon adsorption layer 20's change, opens chamber door 21, with activated carbon adsorption layer 20 from spout 22 in the roll-off can, convenient and fast improves work efficiency.
When the waste gas purifying device is used, waste gas enters the box body 17 through the gas inlet pipe 2, then the motor 3 is started, the motor 3 drives the spiral stirring blade 18 to rotate through the rotating shaft, then the waste gas entering the box body 17 is driven to rotate, in the process of the rotation of the waste gas, the marginalized waste gas enters the heat exchange pipe 7, so that the heat exchange rate of the waste gas is improved, when the motor 3 is started, the vibrating rod 9 drives the water body inside the heat exchange pipe 7 to flow, so that the water body in the heat exchange pipe 7 can exchange heat with the waste gas inside the box body 17, the utilization rate of the water body is increased, the waste gas after waste heat recovery enters the purifying box 12 through the gas outlet pipe 13, and sequentially passes through the plurality of activated carbon adsorption layers 20, so that the primary adsorption and purification of the waste gas are realized, the waste gas after the primary adsorption and purification enters the waste gas treatment device through, need change it, open chamber door 21, with active carbon adsorption layer 20 from spout 22 roll-off, change new active carbon adsorption layer 20, convenient and fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a waste heat recovery device for waste gas environmental protection is handled, includes base (1), its characterized in that, the top outer wall of base (1) is equipped with four support columns (19), and the top outer wall of four support columns (19) is equipped with same box (17), be equipped with two stirring subassemblies on box (17), the stirring subassembly includes motor case (6), motor (3) and spiral stirring leaf (18), one side inner wall of motor case (6) is located in motor (3), and the output shaft of motor (3) is fixed with the pivot through the shaft coupling, and the other end of pivot is fixed in the opposite side inner wall of box (17) through the bearing, and spiral stirring leaf (18) are fixed in the outer wall of pivot through the key.
2. The waste heat recovery device for the environmental protection treatment of exhaust gas as recited in claim 1, wherein the inner walls of the two sides of the box body (17) between the two stirring assemblies are provided with the same heat exchange pipe (7).
3. The waste heat recovery device for the environment-friendly treatment of waste gas as claimed in claim 2, wherein the outer wall of one side of the heat exchange tube (7) is provided with a water inlet tube (4), the outer wall of the water inlet tube (4) is provided with a water inlet valve (5), the outer wall of the other side of the heat exchange tube (7) is provided with a water outlet tube (16), and the outer wall of the water outlet tube (16) is provided with a water outlet valve (15).
4. The waste heat recovery device for the environmental protection treatment of waste gas according to claim 1, wherein the bottom outer wall of the box body (17) is provided with an air inlet pipe (2), and the top outer wall of the box body (17) is provided with an air outlet pipe (13).
5. The waste heat recovery device for the environmental protection treatment of exhaust gas as recited in claim 2, wherein the heat exchange tubes (7) are provided with hanging rods (8) at equal intervals on the top inner wall, the outer wall of the bottom of each hanging rod (8) is provided with a fixing ring (14), and the inner walls of every two adjacent fixing rings (14) are inserted with the same vibrating rod (9).
6. The waste heat recovery device for the environmental protection treatment of waste gas according to claim 4, wherein the outer wall of the top of the box body (17) is provided with a purification box (12), the interior of the purification box (12) is provided with a purification component, and the outer wall of one side of the purification box (12) is provided with an air pump (11).
7. The waste heat recovery device for the environment-friendly treatment of waste gas as claimed in claim 6, wherein one side of the outer wall of the purification box (12) is provided with a through hole, the inner wall of the through hole is fixed with a box door (21) through a hinge, the outer wall of one side of the purification box (12) is provided with an emptying pipe (10), and the other end of the air outlet pipe (13) is arranged on the outer wall of one side of the purification box (12).
8. The waste heat recovery device for the environmental protection treatment of exhaust gas as recited in claim 6, wherein the purification assembly comprises a plurality of activated carbon adsorption layers (20), and the plurality of activated carbon adsorption layers (20) are all disposed on the inner wall of the purification box (12).
9. The waste heat recovery device for the environmental protection treatment of exhaust gas according to claim 6, wherein the purification assembly comprises a plurality of activated carbon adsorption layers (20) and chutes (22) corresponding to the activated carbon adsorption layers, the chutes (22) are respectively arranged on the top inner wall and the bottom inner wall of the purification box (12), and the activated carbon adsorption layers (20) are slidably connected to the inner walls of the chutes (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959138.7A CN110686547B (en) | 2019-10-10 | 2019-10-10 | Waste heat recovery device for waste gas environmental protection treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959138.7A CN110686547B (en) | 2019-10-10 | 2019-10-10 | Waste heat recovery device for waste gas environmental protection treatment |
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| CN110686547A true CN110686547A (en) | 2020-01-14 |
| CN110686547B CN110686547B (en) | 2021-08-17 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1242452A (en) * | 1967-07-19 | 1971-08-11 | Sunds Ab | Improvements in or relating to heat exchangers |
| CN101476828A (en) * | 2009-01-08 | 2009-07-08 | 刘福贵 | Helical silencing heat exchanger |
| CN102599473A (en) * | 2012-03-14 | 2012-07-25 | 辽宁福犇食品有限公司 | Vertical cooling tank |
| CN206891229U (en) * | 2017-05-23 | 2018-01-16 | 王松 | A kind of waste-heat recovery device of energy-conserving and environment-protective |
| CN107899352A (en) * | 2017-12-15 | 2018-04-13 | 苏州轩昂工业设计有限公司 | A kind of high-temp waste gas waste heat recycles filtration apparatus |
| CN207975655U (en) * | 2018-01-29 | 2018-10-16 | 陕西标远环境工程有限公司 | A kind of Pollutionless garbage burning device |
| CN208382957U (en) * | 2018-03-19 | 2019-01-15 | 东莞市琅菱机械有限公司 | A kind of efficient easy cleaning heat exchanger |
| CN208911734U (en) * | 2018-10-11 | 2019-05-31 | 广东艺尚环保科技有限公司 | A kind of Industrial Boiler has the waste gas dust-removal device of function of recovering waste heat |
-
2019
- 2019-10-10 CN CN201910959138.7A patent/CN110686547B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1242452A (en) * | 1967-07-19 | 1971-08-11 | Sunds Ab | Improvements in or relating to heat exchangers |
| CN101476828A (en) * | 2009-01-08 | 2009-07-08 | 刘福贵 | Helical silencing heat exchanger |
| CN102599473A (en) * | 2012-03-14 | 2012-07-25 | 辽宁福犇食品有限公司 | Vertical cooling tank |
| CN206891229U (en) * | 2017-05-23 | 2018-01-16 | 王松 | A kind of waste-heat recovery device of energy-conserving and environment-protective |
| CN107899352A (en) * | 2017-12-15 | 2018-04-13 | 苏州轩昂工业设计有限公司 | A kind of high-temp waste gas waste heat recycles filtration apparatus |
| CN207975655U (en) * | 2018-01-29 | 2018-10-16 | 陕西标远环境工程有限公司 | A kind of Pollutionless garbage burning device |
| CN208382957U (en) * | 2018-03-19 | 2019-01-15 | 东莞市琅菱机械有限公司 | A kind of efficient easy cleaning heat exchanger |
| CN208911734U (en) * | 2018-10-11 | 2019-05-31 | 广东艺尚环保科技有限公司 | A kind of Industrial Boiler has the waste gas dust-removal device of function of recovering waste heat |
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| CN110686547B (en) | 2021-08-17 |
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Inventor after: Mao fangtang Inventor after: Guo Zhibin Inventor before: Guo Zhibin |
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Effective date of registration: 20210802 Address after: 242074 industrial concentration zone, Shuiyang Town, Xuanzhou District, Xuancheng City, Anhui Province Applicant after: Anhui Huahui building materials Co.,Ltd. Address before: 238100 No. 21, Zhaoguan community, Daqing community, Huanfeng Town, Hanshan County, Chaohu City, Anhui Province Applicant before: Guo Zhibin |
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