CN214348513U - Industrial waste gas treatment device - Google Patents
Industrial waste gas treatment device Download PDFInfo
- Publication number
- CN214348513U CN214348513U CN202120318169.7U CN202120318169U CN214348513U CN 214348513 U CN214348513 U CN 214348513U CN 202120318169 U CN202120318169 U CN 202120318169U CN 214348513 U CN214348513 U CN 214348513U
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- China
- Prior art keywords
- fixedly connected
- pipe
- waste gas
- industrial waste
- wall
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- Expired - Fee Related
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- 239000007789 gas Substances 0.000 title claims abstract description 23
- 239000002440 industrial waste Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 13
- 238000005191 phase separation Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 9
- 239000000779 smoke Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001573 beryllium compounds Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910000370 mercury sulfate Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an industrial waste gas deals with device, including the universal wheel, the top rigid coupling organism of universal wheel, the upper surface both sides of organism all are equipped with the breathing pipe, the top of breathing pipe is equipped with the standpipe, the standpipe is connected with the breathing pipe through just adorning the mechanism. This industrial waste gas processing apparatus, through the organism, the breathing pipe, the standpipe, folding tube, breathe in the cover and just adorn the cooperation between the mechanism, for a long time use during the inside attached more impurity of folding tube, operating personnel makes the extension spring further tensile with the lead screw upwards pulling, rotate the lead screw to the outside and U type piece phase separation, at this moment can be quick dismantle the clearance with folding tube, make folding tube inside be difficult for having more impurity to pile up attached to, when the organism removes or folding tube receives external force, folding tube inside can not have impurity to fall out, in order to bring the burden for the user is clean, practicality can strengthen.
Description
Technical Field
The utility model relates to an industrial waste gas handles technical field, specifically is an industrial waste gas deals with device.
Background
Industrial waste gas, which is a generic term for various pollutant-containing gases discharged into the air during the combustion and production processes of fuels in plant areas of enterprises, includes: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxide, chlorine, hydrogen chloride, carbon monoxide, lead mercury sulfate (fog), beryllium compound, smoke dust and productive dust, the exhaust into the atmosphere can pollute the air, the substances enter the human body through different respiratory tracts, some substances can directly cause harm, some substances also have accumulation effect, can seriously harm the health of people, different substances can have different influences, along with the continuous enhancement of people to the environmental awareness, a production enterprise can use a welding smoke suction treatment device to treat waste gas in the welding process, the welding smoke purifier used on the market at present can basically meet the requirements of using in various conditions, but a folding pipe above the smoke purifier can not be or is difficult to be detached and cleaned, more impurities are easy to be stored in the folding pipe during long-term use and are attached to the smoke purifier to move or the folding pipe is subjected to external force, the inside impurity of folding tube easily falls out, brings clean burden for the user, and the practicality remains to be strengthened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industrial waste gas handles device to the folding pipe of the flue gas purifier top that provides in solving above-mentioned background art can't or difficult dismantlement clearance, and folding intraduct is inside easily to have more impurity to pile up when attaching to flue gas purifier removal or folding pipe receives external force on the way for a long time using, and the inside impurity of folding pipe easily falls out, brings clean burden for the user, and the practicality remains to strengthen the problem.
In order to achieve the above object, the utility model provides a following technical scheme: an industrial waste gas treatment device comprises a universal wheel, wherein the top end of the universal wheel is fixedly connected with a machine body, air suction pipes are arranged on two sides of the upper surface of the machine body, a vertical pipe is arranged above each air suction pipe and is connected with the air suction pipes through a convenient assembly mechanism, a folding pipe is connected above each vertical pipe, and an air suction cover is arranged at the other end of each folding pipe;
the convenient assembling mechanism comprises a lantern ring, a rubber ring, a U-shaped block, a screw rod, a knob, a vertical cylinder, a tension spring, a first bump and a second bump;
the fixed cover of lantern ring is connected in the outer wall below of standpipe, the lower surface rigid coupling of the lantern ring has the rubber ring, the lower surface of rubber ring offsets tightly with the top of breathing pipe, the equal rigid coupling in both ends has U type piece about the outer wall of lantern ring, the inside of U type piece is equipped with the lead screw, the outer wall threaded connection of lead screw has the knob, the contact surface counterbalance of knob and U type piece is tight, the outer wall of lead screw has cup jointed perpendicular section of thick bamboo, the inside bottom rigid coupling of perpendicular section of thick bamboo has the extension spring, the top of extension spring links to each other with the bottom stationary phase of lead screw, the bottom rigid coupling of perpendicular section of thick bamboo has first lug, the bottom of first lug articulates there is the second lug, the second lug links to each other with the contact surface of breathing pipe is fixed.
Preferably, a hook is fixedly connected to the upper portion of the right surface of the machine body.
Preferably, a handle is fixedly connected to the upper portion of the left surface of the machine body.
Preferably, a pull ring is fixedly connected to the top end of the screw rod.
Preferably, two U-shaped blocks are symmetrical left and right relative to the center point of the lantern ring.
Preferably, a reference mechanism is arranged on the outer side of the outer wall of the vertical pipe;
the reference mechanism comprises a bent pipe, a transparent cylinder, a filter disc, cotton wool and a hose;
the two bent pipes are fixedly connected to the upper side and the lower side of the outer wall of the vertical pipe respectively, a transparent cylinder is in threaded connection with the bottom end of each bent pipe, a filter disc is fixedly connected to the inner wall of each transparent cylinder, cotton wool is arranged on the upper surface of each filter disc, a hose is fixedly connected to the bottom end of each transparent cylinder, and the other end of each hose is fixedly connected with the corresponding bent pipe.
Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the industrial waste gas treatment device has the following advantages:
through the organism, the breathing pipe, the standpipe, the folding pipe, the cooperation between cover and the just dress mechanism of breathing in, operating personnel adjusts the bending angle of folding pipe and makes the cover of breathing in be located near the welding position, start the organism and can make the cover of breathing in produce suction, can make the industrial waste gas that welding process produced inhale the processing, during the inside more impurity that adheres to of folding pipe on the way of using for a long time, operating personnel makes the extension spring further tensile with the lead screw upwards pulling, turning to the outside with the lead screw and U type piece phase separation, at this moment can be quick dismantle the clearance with the folding pipe, make the inside more impurity that has of folding pipe pile up and adhere to, when the organism removes or folding pipe receives external force, the inside impurity that can not have of folding pipe falls out, in order to bring the burden for the user is clean, practicality can strengthen.
Through organism, breathing pipe, standpipe, folding pipe, the cover of breathing in and the cooperation between the reference mechanism, when the inside flue gas circulation of standpipe, partial flue gas can be followed return bend, transparency barrel and the inside circulation of hose, and the cotton fibre of transparency barrel inside can carry out the colour deepening in the past for a long time, can be convenient for react out the condition of piling up of folding intraductal wall impurity, and the operating personnel of being convenient for in time clears up folding intraductal wall attached impurity.
Through the cooperation between organism and the handle, the handle is convenient for operating personnel and is carried out the application of force to the organism, can remove the process for the organism and facilitate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the air suction pipe, the standpipe and the toilet mechanism in FIG. 1;
FIG. 3 is a schematic view of the connection between the standpipe of FIG. 1 and a reference mechanism;
fig. 4 is a top view of the U-shaped block of fig. 2.
In the figure: 1. universal wheel, 2, machine body, 3, air suction pipe, 4, standpipe, 5, folding pipe, 6, air suction cover, 7, convenient installation mechanism, 701, lantern ring, 702, rubber ring, 703, U-shaped block, 704, screw rod, 705, knob, 706, vertical cylinder, 707, tension spring, 708, first bump, 709, second bump, 8, reference mechanism, 801, elbow, 802, transparent cylinder, 803, filter disc, 804, cotton wool, 805, hose, 9, hook, 10, handle, 11, pull ring.
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. 1-4, the present invention provides a technical solution: an industrial waste gas treatment device comprises a universal wheel 1, wherein the top end of the universal wheel 1 is fixedly connected with a machine body 2, the machine body 2 is a welding smoke purifier body, the model is X1001-A, two sides of the upper surface of the machine body 2 are respectively provided with an air suction pipe 3, a vertical pipe 4 is arranged above the air suction pipe 3, the vertical pipe 4 is connected with the air suction pipe 3 through a conveniently-assembling mechanism 7, a folding pipe 5 is connected above the vertical pipe 4, the other end of the folding pipe 5 is provided with an air suction cover 6, the conveniently-assembling mechanism 7 comprises a lantern ring 701, a rubber ring 702, a U-shaped block 703, a screw rod 704, a knob 705, a vertical cylinder 706, a tension spring 707, a first lug 708 and a second lug 709, the lantern ring 701 is fixedly sleeved below the outer wall of the vertical pipe 4, the lower surface of the lantern ring 701 is fixedly connected with the rubber ring 702, the rubber ring 702 is made of rubber and rotates and has certain toughness, the lower surface of the rubber ring 702 is tightly abutted against the top end of the air suction pipe 3, the left end and the right end of the outer wall of the lantern ring 701 are fixedly connected with the U-shaped block 703, a screw rod 704 is arranged inside the U-shaped block 703, a knob 705 is connected to the outer wall of the screw rod 704 in a threaded manner, the knob 705 abuts against the contact surface of the U-shaped block 703, a vertical cylinder 706 is sleeved on the outer wall of the screw rod 704, a tension spring 707 is fixedly connected to the bottom end inside the vertical cylinder 706, the coefficient of the tension spring 707 is 5-50N/CM, the top end of the tension spring 707 is fixedly connected to the bottom end of the screw rod 704, a first bump 708 is fixedly connected to the bottom end of the vertical cylinder 706, a second bump 709 is hinged to the bottom end of the first bump 708, the second bump 709 is fixedly connected to the contact surface of the suction pipe 3, a hook 9 is fixedly connected to the upper right surface of the machine body 2, the hook 9 facilitates the hanging of devices required for welding by an operator, convenience and convenience are provided for the operator, a handle 10 is fixedly connected to the upper left surface of the machine body 2, the handle 10 facilitates the operator to apply force to the machine body 2 for moving, a pull ring 11 is fixedly connected to the top end of the screw rod 704, and facilitates the operator to apply force to the screw rod 704, the two U-shaped blocks 703 are symmetrical with respect to the center point of the collar 701, so that the two U-shaped blocks 703 apply force to the collar 701 uniformly.
The outer side of the outer wall of the vertical pipe 4 is provided with a reference mechanism 8, the reference mechanism 8 comprises bent pipes 801, transparent cylinders 802, filter discs 803, cotton wool 804 and hoses 805, the two bent pipes 801 are fixedly connected to the upper side and the lower side of the outer wall of the vertical pipe 4 respectively, the bottom end of the upper bent pipe 801 is in threaded connection with the transparent cylinders 802, the transparent cylinders 802 are transparent pipelines made of PVC materials, the inner walls of the transparent cylinders 802 are fixedly connected with the filter discs 803, the filter discs 803 are made of stainless steel materials with a plurality of through holes formed in the surfaces, the mesh number is 20-30 meshes, the upper surfaces of the filter discs 803 are provided with the cotton wool 804, the bottom ends of the transparent cylinders 802 are fixedly connected with the hoses 805, the other ends of the hoses 805 are fixedly connected with the bent pipes 801 below, and the hoses 805 can be separated from the transparent cylinders 802 and the bent pipes 801.
When the industrial waste gas treatment device is used, an operator adjusts the bending angle of the folding pipe 5 to enable the air suction cover 6 to be positioned near a welding position, the machine body 2 is started to enable the air suction cover 6 to generate suction force, industrial waste gas generated in the welding process can be sucked and treated, during the period of circulation of smoke gas in the vertical pipe 4, partial smoke gas can circulate from the bent pipe 801, the transparent cylinder 802 and the hose 805, cotton wool in the transparent cylinder 802 can be darkened for a long time, accumulation of impurities on the inner wall of the folding pipe 5 can be conveniently reflected, the operator can conveniently clean impurities attached to the inner wall of the folding pipe 5 in time, when a large number of impurities are attached to the inner wall of the folding pipe 5 during long-term use and need to be cleaned, the operator pulls the screw rod 704 upwards to further stretch the tension spring 707, the screw rod 704 is rotated outwards to be separated from the U-shaped block 703, and can quickly clean the folding pipe 5 at this time, make folding tube 5 inside be difficult for having more impurity to pile up and adhere to, when organism 2 removes or folding tube 5 receives external force, folding tube 5 inside can not have impurity to fall out, in order to bring the burden for the user is clean, folding tube 5 is clean after accomplishing, operating personnel inserts the inside of folding tube 5 with standpipe 4, inside being located U type piece 703 with lead screw 704, carry out the application of force to knob 705 and rotate, make lead screw 704 rebound extension spring 707 stretch, make knob 705's lower surface and U type piece 703 counterbalance, can make rubber ring 702 and breathing pipe 3's upper surface counterbalance tightly, can accomplish the butt joint of installation between folding tube 5 and the organism 2, be convenient for the next normal use of organism 2.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (6)
1. An industrial waste gas treatment device, includes universal wheel (1), its characterized in that: the top end of the universal wheel (1) is fixedly connected with an organism (2), the two sides of the upper surface of the organism (2) are respectively provided with an air suction pipe (3), a vertical pipe (4) is arranged above the air suction pipe (3), the vertical pipe (4) is connected with the air suction pipe (3) through a convenient assembling mechanism (7), a folding pipe (5) is connected above the vertical pipe (4), and the other end of the folding pipe (5) is provided with an air suction cover (6);
the convenient assembling mechanism (7) comprises a lantern ring (701), a rubber ring (702), a U-shaped block (703), a screw rod (704), a knob (705), a vertical cylinder (706), a tension spring (707), a first bump (708) and a second bump (709);
the lower surface of the lantern ring (701) is fixedly sleeved below the outer wall of the vertical pipe (4), a rubber ring (702) is fixedly connected to the lower surface of the lantern ring (701), the lower surface of the rubber ring (702) is tightly abutted to the top end of the air suction pipe (3), U-shaped blocks (703) are fixedly connected to the left end and the right end of the outer wall of the lantern ring (701), a screw rod (704) is arranged inside the U-shaped block (703), a knob (705) is connected to the outer wall of the screw rod (704) in a threaded manner, a contact surface of the knob (705) and the U-shaped block (703) is tightly abutted to the outer wall of the screw rod (704), a vertical cylinder (706) is sleeved on the outer wall of the screw rod (704), a tension spring (707) is fixedly connected to the bottom end inside of the vertical cylinder (706), the top end of the tension spring (707) is fixedly connected to the bottom end of the screw rod (704), a first bump (708) is fixedly connected to the bottom end of the vertical cylinder (706), and a second bump (709) is hinged to the bottom end of the first bump (708), the second lug (709) is fixedly connected with the contact surface of the air suction pipe (3).
2. The industrial waste gas treatment device according to claim 1, wherein: a hook (9) is fixedly connected above the right surface of the machine body (2).
3. The industrial waste gas treatment device according to claim 1, wherein: a handle (10) is fixedly connected to the upper part of the left surface of the machine body (2).
4. The industrial waste gas treatment device according to claim 1, wherein: and a pull ring (11) is fixedly connected to the top end of the screw rod (704).
5. The industrial waste gas treatment device according to claim 1, wherein: the two U-shaped blocks (703) are symmetrical left and right relative to the center point of the lantern ring (701).
6. The industrial waste gas treatment device according to claim 1, wherein: a reference mechanism (8) is arranged on the outer side of the outer wall of the vertical pipe (4);
the reference mechanism (8) comprises a bent pipe (801), a transparent cylinder (802), a filter disc (803), cotton wool (804) and a hose (805);
two return bend (801) rigid coupling is both sides about the outer wall of standpipe (4), top respectively the bottom threaded connection of return bend (801) has transparent section of thick bamboo (802), the inner wall rigid coupling of transparent section of thick bamboo (802) has filter disc (803), the upper surface of filter disc (803) is equipped with cotton fibre (804), the bottom rigid coupling of transparent section of thick bamboo (802) has hose (805), the other end and return bend (801) of hose (805) are fixed continuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120318169.7U CN214348513U (en) | 2021-02-04 | 2021-02-04 | Industrial waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120318169.7U CN214348513U (en) | 2021-02-04 | 2021-02-04 | Industrial waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214348513U true CN214348513U (en) | 2021-10-08 |
Family
ID=77963052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120318169.7U Expired - Fee Related CN214348513U (en) | 2021-02-04 | 2021-02-04 | Industrial waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214348513U (en) |
-
2021
- 2021-02-04 CN CN202120318169.7U patent/CN214348513U/en not_active Expired - Fee Related
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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: 20220524 Address after: 300143 No. 831, building 1, nuocheng Plaza, No. 69, Beiliu Road, Hongshunli street, Hebei District, Tianjin Patentee after: Tianjin Enshui Environmental Protection Technology Co.,Ltd. Address before: 050000 501, area a, No.1 boutique supermarket, No.16, south 2nd Ring East Road, Yuhua District, Shijiazhuang City, Hebei Province Patentee before: Shijiazhuang Wangcang Technology Development Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |