CN211274620U - Chemical reaction kettle capable of preventing pollution - Google Patents

Chemical reaction kettle capable of preventing pollution Download PDF

Info

Publication number
CN211274620U
CN211274620U CN201921531918.3U CN201921531918U CN211274620U CN 211274620 U CN211274620 U CN 211274620U CN 201921531918 U CN201921531918 U CN 201921531918U CN 211274620 U CN211274620 U CN 211274620U
Authority
CN
China
Prior art keywords
fixedly connected
chemical reaction
inner chamber
sides
water tank
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
Application number
CN201921531918.3U
Other languages
Chinese (zh)
Inventor
吴钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yihelai Shanghai New Materials Technology Co ltd
Original Assignee
Shanghai Weisida Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Weisida Industrial Co ltd filed Critical Shanghai Weisida Industrial Co ltd
Priority to CN201921531918.3U priority Critical patent/CN211274620U/en
Application granted granted Critical
Publication of CN211274620U publication Critical patent/CN211274620U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Treating Waste Gases (AREA)

Abstract

The utility model discloses a chemical reaction cauldron that prevents pollution, including the cauldron body and storage water tank, the fixedly connected with protective housing of center department on cauldron body top surface, the top fixedly connected with reduction gear of protective housing inner chamber, the top of protective housing is provided with the motor, the bottom of motor output run through to the inner chamber of protective housing and with the input fixed connection of reduction gear, the bottom fixedly connected with pivot of reduction gear output, the bottom of pivot runs through to the inner chamber of the cauldron body. The utility model discloses a set up solenoid valve, air-supply line, air exhauster, HEPA filter screen, rose box, active carbon otter board, play tuber pipe, first outlet duct and storage water tank and mutually support, solved the harmful gas purification treatment that can not produce chemical reaction, when gas outgoing, can cause serious pollution to the environment, and cause harm to staff's physical and mental health, reduced the problem of chemical reaction cauldron safe in utilization.

Description

Chemical reaction kettle capable of preventing pollution
Technical Field
The utility model relates to a chemistry technical field specifically is a chemical reaction cauldron that prevents to pollute.
Background
The broad understanding of the reaction kettle is that the reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container.
Because of the different conditions of the progress needs of chemical reaction, consequently need use chemical reaction cauldron to provide multiple reaction condition to it, chemical reaction cauldron on the market at present can not carry out the purification treatment to the harmful gas that chemical reaction produced, when gaseous emission, can cause serious pollution to the environment, and cause harm to staff's physical and mental health, reduced chemical reaction cauldron's safety in utilization.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chemical reaction cauldron that prevents pollution possesses the advantage that can purify harmful gas, has solved the harmful gas purification treatment that can not produce chemical reaction, when gas outgoing, can cause serious pollution to the environment, and causes harm to staff's physical and mental health, has reduced chemical reaction cauldron safe in utilization's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a pollution-preventing chemical reaction kettle comprises a kettle body and a water storage tank, wherein a protective box is fixedly connected at the center of the top surface of the kettle body, a speed reducer is fixedly connected at the top of an inner cavity of the protective box, a motor is arranged at the top of the protective box, the bottom of the output end of the motor penetrates through the inner cavity of the protective box and is fixedly connected with the input end of the speed reducer, a rotating shaft is fixedly connected at the bottom of the output end of the speed reducer, the bottom of the rotating shaft penetrates through the inner cavity of the kettle body, stirring rods are fixedly connected to both sides of the surface of the rotating shaft, a feeding pipe is communicated with the right side of the top of the inner cavity of the kettle body, a first air outlet pipe is communicated with the left side of the top of the inner cavity of the kettle body, a discharging pipe is communicated with the center of the bottom of the inner cavity of the kettle body, a, an exhaust fan is fixedly connected to the right side of the top surface of the water storage tank, the top of the air inlet end of the exhaust fan is communicated with an air inlet pipe, one side of the air inlet pipe, which is far away from the exhaust fan, is communicated with a first air outlet pipe, the bottom of the air outlet end of the exhaust fan is communicated with an air outlet pipe, the bottom of the air outlet pipe penetrates through the water storage tank and extends to the inner cavity of the water storage tank, the top of the left side of the inner cavity of the water storage tank is communicated with a water inlet pipe, the bottom of the right side of the inner cavity of the water storage tank is communicated with a first water outlet pipe, the left side of the top of the inner cavity of the water storage tank is communicated with a second air outlet pipe, the left side of the surface of the top of the water storage tank is fixedly connected with a filter tank, the top of the second air outlet pipe sequentially penetrates through the water storage tank and the filter tank and extends to the inner cavity of the filter tank, the top of rose box inner chamber both sides all is seted up flutedly, and the inner chamber sliding connection of the relative one side of two recesses has active carbon otter board and HEPA filter screen.
Preferably, the both sides on guard box top surface all fixedly connected with guard plate, the relative one side of two guard plates and the outside fixed connection of motor.
Preferably, the center department fixedly connected with axle sleeve on pivot surface, the inboard fixed connection of both sides and puddler of axle sleeve, the inboard height of pivot top puddler is less than the height in the outside, the shape of pivot bottom puddler is the arc.
Preferably, one side threaded connection that the cauldron body was kept away from to the inlet pipe has first sealed lid, the left side threaded connection of inlet tube surface has the sealed lid of second.
Preferably, the bottom of the supporting leg is fixedly connected with a supporting plate, and a water valve is fixedly mounted on the right side of the outer surface of the first water outlet pipe.
Preferably, the water storage tank is positioned on the left side of the jacket, and the bottom of the back surface of the jacket is communicated with a second water outlet pipe.
Preferably, the center of the outer surface of the first air outlet pipe, the right side of the outer surface of the fixed pipe and the bottom of the outer surface of the discharge pipe are fixedly provided with electromagnetic valves.
Preferably, threaded holes are formed in the center of the bottom of the inner cavity of the groove, the centers of two sides of the top surface of the activated carbon screen plate and the centers of two sides of the top surface of the HEPA filter screen, bolts are arranged at the top of the HEPA filter screen, and the surface of each bolt is in threaded connection with the inner cavity of each threaded hole.
Preferably, the through-hole has all been seted up in the center department of active carbon otter board and HEPA filter screen, the fixedly connected with layer board is located at the center of active carbon otter board bottom surface, and the fixedly connected with connecting rod is located at the center of layer board top surface, and the top of connecting rod runs through the through-hole and extends to the top of HEPA filter screen.
Preferably, the top fixedly connected with controller on the cauldron body back of the body surface, the input of solenoid valve, motor and air exhauster respectively with the output electric connection of controller.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up solenoid valve, air-supply line, air exhauster, HEPA filter screen, rose box, active carbon otter board, play tuber pipe, first outlet duct and storage water tank and mutually support, solved the harmful gas purification treatment that can not produce chemical reaction, when gas outgoing, can cause serious pollution to the environment, and cause harm to staff's physical and mental health, reduced the problem of chemical reaction cauldron safe in utilization.
2. The utility model discloses a set up the sealed lid of second, can effectually prevent volatilizing of neutralization solution in the storage water tank, through setting up the slope puddler, can play the effect of buffering to the falling of chemical reaction raw and other materials, through setting up the arc puddler, can strengthen the effect of stirring, make chemical reaction raw and other materials obtain abundant reaction, through setting up connecting rod and layer board, can make things convenient for taking of active carbon otter board and HEPA filter screen to put, through setting up the bolt, can play the effect of fixed active carbon otter board and HEPA filter screen.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the shaft sleeve structure of the present invention;
fig. 3 is a top view of the structure of the filtering box of the present invention.
In the figure: 1 kettle body, 2 discharging pipes, 3 jackets, 4 rotating shafts, 5 stirring rods, 6 protective boxes, 7 feeding pipes, 8 motors, 9 speed reducers, 10 first air outlet pipes, 11 air inlet pipes, 12 exhaust fans, 13 grooves, 14 HEPA filter screens, 15 filter boxes, 16 activated carbon screen plates, 17 water inlet pipes, 18 second air outlet pipes, 19 air outlet pipes, 20 first water outlet pipes, 21 supporting legs, 22 fixing pipes and 23 water storage tanks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a chemical reaction kettle for preventing pollution comprises a kettle body 1 and a water storage tank 23, wherein a protective box 6 is fixedly connected at the center of the top surface of the kettle body 1, a speed reducer 9 is fixedly connected at the top of the inner cavity of the protective box 6, a motor 8 is arranged at the top of the protective box 6, protective plates are fixedly connected at both sides of the top surface of the protective box 6, opposite sides of the two protective plates are fixedly connected with the outer side of the motor 8, the bottom of the output end of the motor 8 penetrates through the inner cavity of the protective box 6 and is fixedly connected with the input end of the speed reducer 9, a rotating shaft 4 is fixedly connected at the bottom of the output end of the speed reducer 9, the bottom of the rotating shaft 4 penetrates through the inner cavity of the kettle body 1, stirring rods 5 are fixedly connected at both sides of the surface of the rotating shaft 4, a shaft sleeve is fixedly connected at the center of the surface of the rotating shaft 4, by arranging the inclined stirring rod 5, the chemical reaction raw material falling can be buffered, the stirring rod 5 at the bottom of the rotating shaft 4 is arc-shaped, the stirring effect can be enhanced by arranging the arc-shaped stirring rod 5, so that the chemical reaction raw material can be fully reacted, the right side of the top of the inner cavity of the kettle body 1 is communicated with the feeding pipe 7, one side, away from the kettle body 1, of the feeding pipe 7 is in threaded connection with a first sealing cover, the left side of the top of the inner cavity of the kettle body 1 is communicated with a first air outlet pipe 10, the center of the bottom of the inner cavity of the kettle body 1 is communicated with a discharging pipe 2, the surface cover at the outer side of the kettle body 1 is provided with the jacket 3, the top of the right side of the inner cavity of the jacket 3 is communicated with a fixed pipe 22, the bottom of the back surface of the jacket 3 is communicated with a second water outlet, an exhaust fan 12 is fixedly connected to the right side of the top surface of a water storage tank 23, the top of an air inlet end of the exhaust fan 12 is communicated with an air inlet pipe 11, one side, away from the exhaust fan 12, of the air inlet pipe 11 is communicated with a first air outlet pipe 10, the bottom of an air outlet end of the exhaust fan 12 is communicated with an air outlet pipe 19, the bottom of the air outlet pipe 19 penetrates through the water storage tank 23 and extends to an inner cavity of the water storage tank 23, the top of the left side of the inner cavity of the water storage tank 23 is communicated with a water inlet pipe 17, the left side of the outer surface of the water inlet pipe 17 is in threaded connection with a second sealing cover, volatilization of a neutralization solution in the water storage tank 23 can be effectively prevented by arranging the second sealing cover, the bottom of the right side of the inner cavity of the water storage, the top of the second air outlet pipe 18 sequentially penetrates through the water storage tank 23 and the filter box 15 and extends to the inner cavity of the filter box 15, grooves 13 are formed in the tops of two sides of the inner cavity of the filter box 15, an active carbon screen plate 16 and an HEPA filter screen 14 are connected to the inner cavity of one side, opposite to the two grooves 13, in a sliding manner, threaded holes are formed in the center of the bottom of the inner cavity of each groove 13, the center of two sides of the top surface of the active carbon screen plate 16 and the center of two sides of the top surface of the HEPA filter screen 14, bolts are arranged on the top of the HEPA filter screen 14, the surfaces of the bolts are in threaded connection with the inner cavities of the threaded holes, the active carbon screen plate 16 and the HEPA filter screen 14 can be fixed by arranging the bolts, through holes are formed in the centers of the top surfaces of the active carbon screen plate 16 and the HEPA filter, the top of the connecting rod penetrates through the through hole and extends to the top of the HEPA filter screen 14, the taking and placing of the activated carbon screen plate 16 and the HEPA filter screen 14 can be facilitated by arranging the connecting rod and the supporting plate, the center of the outer surface of the first air outlet pipe 10, the right side of the outer surface of the fixed pipe 22 and the bottom of the outer surface of the discharging pipe 2 are fixedly provided with electromagnetic valves, the top of the back surface of the kettle body 1 is fixedly connected with a controller, the input ends of the electromagnetic valves, the motor 8 and the exhaust fan 12 are respectively and electrically connected with the output end of the controller, the problem that harmful gas generated by chemical reaction cannot be purified is solved by arranging the electromagnetic valves, the air inlet pipe 11, the exhaust fan 12, the HEPA filter screen 14, the filter box 15, the activated carbon screen plate 16, the air outlet pipe 19, the first air outlet pipe 10 and the water storage tank 23 to be matched with each, the problem of safe use of the chemical reaction kettle is reduced.
During the use, open the first sealed lid at inlet pipe 7 top, chemical raw and other materials that will react are put into the cauldron body 1, close first sealed lid, control motor 8 and air exhauster 12 work respectively through the controller, make the output of motor 8 drive the input of reduction gear 9 and rotate, make the output of reduction gear 9 drive pivot 4 and rotate, it rotates to drive puddler 5 on pivot 4 surface, realize the effect of stirring, after the stirring is accomplished, open through the solenoid valve of controller control discharging pipe 2 bottom, chemical raw and other materials after the reaction is accomplished flows through discharging pipe 2, can add steam to pressing from both sides the cover 3 through fixed pipe 22 according to the demand of chemical raw and other materials reaction conditions, play the effect of heating, and can add water to pressing from both sides the cover 3 through fixed pipe 22, play the cooling effect, air exhauster 12 works simultaneously, make the harmful gas that chemical reaction produced loop through first outlet duct 10, The air inlet pipe 11 and the air outlet pipe 19 enter the neutralizing liquid in the water storage tank 23, the air enters the filter box 15 through the second air outlet pipe 18, the air is finally dispersed through the filtering of the activated carbon screen plate 16 and the HEPA filter screen 14, when the neutralizing liquid is used for a long time, the water valve can be opened, the neutralizing liquid flows out through the first water outlet pipe 20, after the neutralizing liquid completely flows out, the water valve is closed, the second sealing cover is opened, and new neutralizing liquid is added through the water inlet pipe 17.
All parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, machinery, parts and electrical equipment all adopt conventional models in the prior art, the equipment appearing in the text adopts 380V voltage for power supply, the circuit connection adopts the conventional connection mode in the prior art, and detailed description is not given.
In summary, the following steps: this chemical reaction cauldron that prevents pollution, through setting up the solenoid valve, air-supply line 11, air exhauster 12, HEPA filter screen 14, rose box 15, active carbon otter board 16, go out tuber pipe 19, first outlet duct 10 and storage water tank 23 and mutually support, solved the harmful gas purification treatment that can not produce chemical reaction, when gas outgoing, can cause serious pollution to the environment, and cause harm to staff's physical and mental health, reduced chemical reaction cauldron safe in utilization's problem.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a chemical reaction cauldron that prevents to pollute, includes the cauldron body (1) and storage water tank (23), its characterized in that: the device comprises a kettle body (1), a protective box (6) is fixedly connected at the center of the top surface of the kettle body (1), a speed reducer (9) is fixedly connected at the top of an inner cavity of the protective box (6), a motor (8) is arranged at the top of the protective box (6), the bottom of the output end of the motor (8) penetrates through the inner cavity of the protective box (6) and is fixedly connected with the input end of the speed reducer (9), a rotating shaft (4) is fixedly connected at the bottom of the output end of the speed reducer (9), the bottom of the rotating shaft (4) penetrates through the inner cavity of the kettle body (1), stirring rods (5) are fixedly connected on both sides of the surface of the rotating shaft (4), an inlet pipe (7) is communicated on the right side of the top of the inner cavity of the kettle body (1), a first outlet pipe (10) is communicated on the left side of the top of the inner cavity of, the surface cover in the cauldron body (1) outside is equipped with presss from both sides cover (3), the top intercommunication that presss from both sides cover (3) inner chamber right side has fixed pipe (22), the outer lane fixedly connected with supporting leg (21) of cover (3) bottom surface, the right side fixedly connected with air exhauster (12) of storage water tank (23) top surface, the top intercommunication of air exhauster (12) air inlet end has intake pipe (11), the one side that air exhauster (12) were kept away from in intake pipe (11) communicates with first outlet duct (10), the bottom intercommunication of air exhauster (12) air outlet end has air outlet pipe (19), the bottom of air outlet pipe (19) runs through storage water tank (23) and extends to the inner chamber of storage water tank (23), the left top intercommunication in storage water tank (23) inner chamber has inlet tube (17), the bottom intercommunication on storage water tank (23) inner chamber right side has first outlet pipe, storage water tank (23) inner chamber top left side intercommunication has second outlet duct (18), storage water tank (23) top surface's left side fixedly connected with rose box (15), the inner chamber that storage water tank (23) and rose box (15) and extend to rose box (15) are run through in proper order to the top of second outlet duct (18), the top of rose box (15) inner chamber both sides all is seted up flutedly (13), and the inner chamber sliding connection of two relative one sides of recess (13) has active carbon otter board (16) and HEPA filter screen (14).
2. A contamination prevention chemical reaction kettle according to claim 1, wherein: the protection box (6) is characterized in that protection plates are fixedly connected to the two sides of the top surface of the protection box, and one sides, opposite to the two protection plates, of the two protection plates are fixedly connected with the outer side of the motor (8).
3. A contamination prevention chemical reaction kettle according to claim 1, wherein: the utility model discloses a stirring rod, including pivot (4), pivot (4) top puddler (5), the inboard height that highly is less than the outside of the inboard fixed connection of both sides and puddler (5) of axle sleeve, the center on pivot (4) surface department fixedly connected with axle sleeve, the inboard fixed connection of both sides and puddler (5), the shape of pivot (4) bottom puddler (5) is the arc.
4. A contamination prevention chemical reaction kettle according to claim 1, wherein: one side threaded connection that the cauldron body (1) was kept away from in inlet pipe (7) has first sealed lid, the left side threaded connection of inlet tube (17) surface has the sealed lid of second.
5. A contamination prevention chemical reaction kettle according to claim 1, wherein: the bottom fixedly connected with backup pad of supporting leg (21), the right side fixed mounting of first outlet pipe (20) surface has the water valve.
6. A contamination prevention chemical reaction kettle according to claim 1, wherein: the water storage tank (23) is positioned on the left side of the jacket (3), and the bottom of the back surface of the jacket (3) is communicated with a second water outlet pipe.
7. A contamination prevention chemical reaction kettle according to claim 1, wherein: the center of the outer surface of the first air outlet pipe (10), the right side of the outer surface of the fixed pipe (22) and the bottom of the outer surface of the discharge pipe (2) are fixedly provided with electromagnetic valves.
8. A contamination prevention chemical reaction kettle according to claim 1, wherein: the center department of recess (13) inner chamber bottom, the center department of active carbon otter board (16) top surface both sides and the center department of HEPA filter screen (14) top surface both sides all seted up threaded hole, the top of HEPA filter screen (14) is provided with the bolt, the surface of bolt and the inner chamber threaded connection of threaded hole.
9. A contamination prevention chemical reaction kettle according to claim 1, wherein: the through-hole has all been seted up in the center department on active carbon otter board (16) and HEPA filter screen (14) top surface, the fixedly connected with layer board is located at the center on active carbon otter board (16) bottom surface, and the fixedly connected with connecting rod is located at the center on layer board top surface, and the top of connecting rod runs through the through-hole and extends to the top of HEPA filter screen (14).
10. A contamination prevention chemical reaction kettle according to claim 7, wherein: the top fixedly connected with controller on the back surface of cauldron body (1), the input of motor (8), solenoid valve and air exhauster (12) respectively with the output electric connection of controller.
CN201921531918.3U 2019-09-16 2019-09-16 Chemical reaction kettle capable of preventing pollution Active CN211274620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921531918.3U CN211274620U (en) 2019-09-16 2019-09-16 Chemical reaction kettle capable of preventing pollution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921531918.3U CN211274620U (en) 2019-09-16 2019-09-16 Chemical reaction kettle capable of preventing pollution

Publications (1)

Publication Number Publication Date
CN211274620U true CN211274620U (en) 2020-08-18

Family

ID=72027434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921531918.3U Active CN211274620U (en) 2019-09-16 2019-09-16 Chemical reaction kettle capable of preventing pollution

Country Status (1)

Country Link
CN (1) CN211274620U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113041971A (en) * 2021-03-24 2021-06-29 青岛科技大学 Anti-blocking microchannel reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113041971A (en) * 2021-03-24 2021-06-29 青岛科技大学 Anti-blocking microchannel reactor

Similar Documents

Publication Publication Date Title
CN207307453U (en) A kind of waste gas purifying environmental protecting device
CN205925701U (en) Take exhaust treatment device's high -efficient chemical industry stirred tank of heat dissipation type
CN211871520U (en) Deodorizing device for industrial sewage treatment
CN211274620U (en) Chemical reaction kettle capable of preventing pollution
CN205011539U (en) Miniature industrial waste water's elementary processing apparatus
CN109731538A (en) A kind of online multiple fluorinated systems
CN111895818A (en) Tail gas waste heat cooling device for chemical device
CN204752407U (en) Purifier of papermaking waste water
CN209188780U (en) A kind of chemical reaction tank
CN212283416U (en) Ozone gas safe and rapid decomposition environment-friendly equipment
CN214552077U (en) Environment-friendly energy-saving type waste gas treatment device
CN212548987U (en) Aeration type boiler waste gas environment-friendly treatment equipment
CN210448548U (en) Printing organic waste gas treatment device
CN112337222A (en) Diffusion furnace exhaust treatment device for solar cell production
CN215033439U (en) Smelting device for steel ingot processing
CN207986951U (en) A kind of Environmental Monitoring Laboratory water sample processing unit
CN208667366U (en) A kind of High-efficient Water pollution treatment device
CN214010024U (en) Gas cooling device for chemical production
CN112471924A (en) Multifunctional energy-saving environment-friendly barbecue oven
CN206950921U (en) A kind of formaldehyde removal device for pigment production
CN213995452U (en) High-efficient preprocessing device of nitrous oxide among multicomponent mixed Volatile Organic Compounds (VOCs)
CN212632646U (en) High-efficient high concentration waste liquid solidification equipment
CN220736844U (en) Industrial boiler tail gas desulfurization equipment
CN216924745U (en) Heating device with energy-saving effect
CN211328881U (en) Steel mill waste heat steam reheating boiler

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240509

Address after: No. 1374 Tingpu Road, Yexie Town, Songjiang District, Shanghai, 201600

Patentee after: Yihelai (Shanghai) New Materials Technology Co.,Ltd.

Country or region after: China

Address before: 201800 room 26, floor 2, No. 500, Xincheng Road, Jiading District, Shanghai

Patentee before: Shanghai Weisida Industrial Co.,Ltd.

Country or region before: China