CN109941620A - A kind of Formaldehyde Tank can control flow - Google Patents
A kind of Formaldehyde Tank can control flow Download PDFInfo
- Publication number
- CN109941620A CN109941620A CN201910264766.3A CN201910264766A CN109941620A CN 109941620 A CN109941620 A CN 109941620A CN 201910264766 A CN201910264766 A CN 201910264766A CN 109941620 A CN109941620 A CN 109941620A
- Authority
- CN
- China
- Prior art keywords
- welded
- cylinder
- exhaust pipe
- screw thread
- tank body
- 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.)
- Pending
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000002184 metal Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 229920001971 elastomer Polymers 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000000622 irritating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 Lauxite Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of Formaldehyde Tanks that can control flow, including tank body and exhaust pipe, the upper right corner of the tank body is welded with exhaust pipe, the tank body is connected with exhaust pipe, the inner wall of the sleeve is welded with bearing, the inner wall of the bearing is welded with the second cylinder, the lower end of described the second cylinder is welded with screw thread, the screw thread is internally provided with lead screw, the lead screw is connected with screw thread screw thread, the upper end of the lead screw is weldingly connected with backing plate, and the outer surface circumferential weld of the screw thread is connected to handwheel, and the upper end of described the first cylinder is fixedly installed with delivery pipe.This can control the Formaldehyde Tank of flow, rotating handwheel by user can drive lead screw to move, the connection area between the first cylinder and exhaust pipe is set to become larger when driving backing plate and jacking block to carry out movement downwards by lead screw, the formaldehyde gas flow entered inside delivery pipe by the first cylinder at this time becomes larger, thus the exhaust velocity of tank body for user-friendly control.
Description
Technical field
The present invention relates to the Formaldehyde Tank technical field that can control flow, specially a kind of formaldehyde that can control flow
Storage tank.
Background technique
Formaldehyde, chemical formula HCHO or CH2O, formula weight 30.03, also known as formaldehyde.Colourless gas has special penetrating odor, right
The irritating effect such as human eye, nose.Gas relative density 1.067 (air=1), fluid density 0.815g/cm3(-20℃).It is molten
- 92 DEG C of point, -19.5 DEG C of boiling point.Soluble easily in water and ethyl alcohol.The concentration of aqueous solution reaches as high as 55%, usually 40%, referred to as first
Aldehyde water is commonly called as formalin (formalin), is the colourless liquid of irritating smell.There is strong reducing action, especially in alkalinity
In solution.It can burning, steam and air formation explosive mixture, explosion limit 7%-73% (volume).Ignition temperature about 300
℃.Formaldehyde can dehydrogenation or oxidation be made under the metal catalytics such as silver, copper by methanol, can also be separated by hydrocarbon oxidation product.It is used as
Pesticide and disinfectant, the raw material of phenolic resin, Lauxite, polyvinyl, methenamine, pentaerythrite and dyestuff processed etc., make at present
The Formaldehyde Tank of user makes control the flow of discharge in discharge formaldehyde gas, thus inconvenient staff into
The problem of enforcement is used.
Summary of the invention
The purpose of the present invention is to provide a kind of Formaldehyde Tanks that can control flow, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of Formaldehyde Tank that can control flow, including
Tank body and exhaust pipe, the upper right corner of the tank body are welded with exhaust pipe, and the tank body is connected with exhaust pipe, the exhaust pipe
Right end is welded with the first cylinder, and the right end of the exhaust pipe is connected with the first cylinder, the lower end outer surface of described the first cylinder
Circumferential weld is connected to bulge loop, and the lower surface of the bulge loop is welded with support rod, and the outer surface circumference of the support rod is arranged with lantern ring,
And lantern ring and support rod clearance fit, the outer surface of the lantern ring are welded with backing plate, the upper surface of the backing plate is welded with jacking block,
The jacking block and the first cylinder clearance fit, the lower end of the support rod are welded with top plate, the center welding of the top plate
There is a sleeve, the inner wall of the sleeve is welded with bearing, and the inner wall of the bearing is welded with the second cylinder, under described the second cylinder
End be welded with screw thread, the screw thread is internally provided with lead screw, and the lead screw is connected with screw thread screw thread, the upper end of the lead screw and
Backing plate is weldingly connected, and the outer surface circumferential weld of the screw thread is connected to handwheel, and the upper end of described the first cylinder is fixedly installed with conveying
Pipe.
Preferably, the right lateral surface of described the first cylinder is welded with metal strip, and the right lateral surface of the metal strip is carved with
Degree, the right lateral surface of the snap ring are provided with through-hole, and the inner wall of the through-hole is welded with external member, and the external member is internally provided with
Metal slide bar, the metal slide bar and external member clearance fit, the lower end of the metal slide bar are weldingly connected with backing plate, the metal
The upper end of slide bar is arranged rubber sleeve.
Preferably, the lower inner wall of described the first cylinder is connected with rubber neck, the inner wall and jacking block of the rubber neck
It fits.
Preferably, the lower external face of the tank body is welded with support.
Preferably, the outer surface circumference gluing of the handwheel has silica gel sheath.
Compared with prior art, the beneficial effects of the present invention are: the Formaldehyde Tank that can control flow, passes through user
Rotation handwheel can drive lead screw to be moved, and backing plate and jacking block can be driven to carry out elevating movement by guide screw movement, passed through
Adjustment jacking block height the connection area of exhaust pipe and the first cylinder can be adjusted, when jacking block increase when the first cylinder with
Connection area between exhaust pipe becomes smaller, and the formaldehyde gas flow entered inside delivery pipe by the first cylinder at this time becomes smaller, when
Driving backing plate and jacking block to carry out movement downwards by lead screw makes the connection area between the first cylinder and exhaust pipe become larger, leads at this time
It crosses the formaldehyde gas flow that the first cylinder enters inside delivery pipe to become larger, thus the exhaust velocity of tank body for user-friendly control.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 be Fig. 1 in exhaust pipe, the first cylinder and delivery pipe attachment structure schematic diagram；
Fig. 3 is the first cylinder lower part section figure structure schematic representation in Fig. 1；
Fig. 4 is the sleeve section figure structure schematic representation in Fig. 1.
In figure: 1, tank body, 2, support, 3, top plate, 4, support rod, 5, bulge loop, 6, the first cylinder, 7, delivery pipe, 8, exhaust
Pipe, 9, metal strip, 10, metal slide bar, 11, jacking block, 12, backing plate, 13, sleeve, 14, screw thread, 15, the second cylinder, 16, lead screw,
17, lantern ring, 18, rubber sleeve, 19, scale, 20, external member, 21, rubber neck, 22, silica gel sheath, 23, handwheel, 24, bearing, 25, logical
Hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of Formaldehyde Tank can control flow, including tank
Body 1 and exhaust pipe 8, the upper right corner of tank body 1 are welded with exhaust pipe 8, and the lower external face of tank body 1 is welded with support 2, and support 2 is used
Tank body 1 is supported, tank body 1 is connected with exhaust pipe 8, the right end of exhaust pipe 8 is welded with the first cylinder 6, the lower part of the first cylinder 6
Inner wall is connected with rubber neck 21, and inner wall and the jacking block 11 of rubber neck 21 fit, and rubber neck 21 can promote the first circle
Leakproofness between cylinder 6 and jacking block 11, the right lateral surface of the first cylinder 6 are welded with metal strip 9, and the right lateral surface of metal strip 9 is carved
There is scale 19, scale 19 can be convenient the position that user observes jacking block 11, and the right lateral surface of snap ring 5 is provided with through-hole 25, lead to
The inner wall in hole 25 is welded with external member 20, and external member 20 is internally provided with metal slide bar 10, and metal slide bar 10 is matched with 20 gap of external member
It closes, the upper end of metal slide bar 10 is identical as the upper end level of jacking block 11, and metal slide bar 10 can be slided in the inside of external member 20
Dynamic, lower end and the backing plate 12 of metal slide bar 10 are weldingly connected, and the upper end of metal slide bar 10 is arranged rubber sleeve 18, and rubber sleeve 18 is
The position that can remind 10 upper end of user's metal slide bar is made in colored material, and the right end of exhaust pipe 8 is connected with the first cylinder 6
Logical, the lower end outer surface circumferential weld of the first cylinder 6 is connected to bulge loop 5, and the lower surface of bulge loop 5 is welded with support rod 4, support rod 4
Outer surface circumference is arranged with lantern ring 17, and lantern ring 17 and 4 clearance fit of support rod, the outer surface of lantern ring 17 are welded with backing plate 12,
The upper surface of backing plate 12 is welded with jacking block 11, and lantern ring 17 can be to avoid backing plate 12 in lead screw 16 in the outer surface cylinder of support rod 4
Upper end rotate, jacking block 11 and 6 clearance fit of the first cylinder, the lower end of support rod 4 is welded with top plate 3, the center of top plate 3
Position is welded with sleeve 13, and the inner wall of sleeve 13 is welded with bearing 24, and the inner wall of bearing 24 is welded with the second cylinder 15, the second circle
The lower end of cylinder 15 is welded with screw thread 14, and screw thread 14 is internally provided with lead screw 16, and lead screw 16 is connected with 14 screw thread of screw thread, lead screw 16
Upper end be weldingly connected with backing plate 12, the outer surface circumferential weld of screw thread 14 is connected to handwheel 23, and handwheel 23 can be convenient user and turn
Dynamic screw thread 14, the outer surface circumference gluing of handwheel 23 have silica gel sheath 22, and silica gel sheath 22 can promote the outer surface friction of handwheel 23
Power, the upper end of the first cylinder 6 are fixedly installed with delivery pipe 7.
Carry out using when user can by rotate handwheel 23, by handwheel 23 drive screw thread 14 be rotated, lead to
The rotation for crossing screw thread 14 can drive lead screw 16 to be moved, and carrying out movement upwards by lead screw 16 can push backing plate 12 to carry out
Movement, being moved upwards by backing plate 12 can push jacking block 11 to move upwards, and being moved upwards by jacking block 11 can be to exhaust pipe 8
A degree of blocking is carried out with the connection position of the first cylinder 6, so as to the connection position to exhaust pipe 8 and the first cylinder 6
The area set is adjusted, and when jacking block 11 moves downward, exhaust pipe 8 and the position area of 6 connection of the first cylinder increase, at this time
The unit time throughput of gas increases, when backing plate 12 push up jacking block 11 carry out upwards movement can reduce exhaust pipe 8 with
Connection area between the first cylinder 6, so that the gas displacement of unit time is reduced, so that formaldehyde for user-friendly control is discharged
Speed.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Formaldehyde Tank that can control flow, including tank body (1) and exhaust pipe (8), the upper right fillet welding of the tank body (1)
It is connected to exhaust pipe (8), the tank body (1) is connected with exhaust pipe (8), it is characterised in that: the right end of the exhaust pipe (8) welds
Have the first cylinder (6), the right end of the exhaust pipe (8) is connected with the first cylinder (6), outside the lower end of the first cylinder (6)
Surface perimeter is welded with bulge loop (5), and the lower surface of the bulge loop (5) is welded with support rod (4), the appearance of the support rod (4)
Face circumference is arranged with lantern ring (17), and lantern ring (17) and support rod (4) clearance fit, and the outer surface of the lantern ring (17) is welded with
The upper surface of backing plate (12), the backing plate (12) is welded with jacking block (11), and the jacking block (11) is matched with the first cylinder (6) gap
It closes, the lower end of the support rod (4) is welded with top plate (3), and the center of the top plate (3) is welded with sleeve (13), described
The inner wall of sleeve (13) is welded with bearing (24), and the inner wall of the bearing (24) is welded with the second cylinder (15), second circle
The lower end of cylinder (15) is welded with screw thread (14), and the screw thread (14) is internally provided with lead screw (16), the lead screw (16) and silk
It detains (14) screw thread to be connected, upper end and the backing plate (12) of the lead screw (16) are weldingly connected, the outer surface circumference of the screw thread (14)
It is welded with handwheel (23), the upper end of the first cylinder (6) is fixedly installed with delivery pipe (7).
2. a kind of Formaldehyde Tank that can control flow according to claim 1, it is characterised in that: described the first cylinder
(6) right lateral surface is welded with metal strip (9), and the right lateral surface of the metal strip (9) is carved with scale (19), the snap ring (5)
Right lateral surface be provided with through-hole (25), the inner wall of the through-hole (25) is welded with external member (20), the inside of the external member (20)
It is provided with metal slide bar (10), the metal slide bar (10) and external member (20) clearance fit, the lower end of the metal slide bar (10)
It is weldingly connected with backing plate (12), the upper end of the metal slide bar (10) is arranged rubber sleeve (18).
3. a kind of Formaldehyde Tank that can control flow according to claim 1, it is characterised in that: described the first cylinder
(6) lower inner wall is connected with rubber neck (21), and inner wall and the jacking block (11) of the rubber neck (21) fit.
4. a kind of Formaldehyde Tank that can control flow according to claim 1, it is characterised in that: the tank body (1)
Lower external face is welded with support (2).
5. a kind of Formaldehyde Tank that can control flow according to claim 1, it is characterised in that: the handwheel (23)
Outer surface circumference gluing has silica gel sheath (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264766.3A CN109941620A (en) | 2019-04-03 | 2019-04-03 | A kind of Formaldehyde Tank can control flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264766.3A CN109941620A (en) | 2019-04-03 | 2019-04-03 | A kind of Formaldehyde Tank can control flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109941620A true CN109941620A (en) | 2019-06-28 |
Family
ID=67012519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264766.3A Pending CN109941620A (en) | 2019-04-03 | 2019-04-03 | A kind of Formaldehyde Tank can control flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109941620A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005041437A1 (en) * | 2005-08-31 | 2007-03-15 | Müller, Philip | Fueling monitor for tank lorry, has sealing piston closing inlet, when input-side is loaded with pressure below preset pressure limit, and releasing inlet for filling of tank, when input-side is loaded with pressure above limit |
| CN106945945A (en) * | 2017-05-05 | 2017-07-14 | 蔡萍 | A kind of cosmetic raw material barrel |
| CN208067195U (en) * | 2018-04-18 | 2018-11-09 | 陕西璐江桥隧设备有限公司 | A kind of reinforcing steel bar hoop bending intelligent apparatus using Special-shaped bearing |
| CN208151282U (en) * | 2018-04-28 | 2018-11-27 | 陕西谷佳现代有机农业科技有限公司 | A kind of distribution device in gas-fluid for gas retort |
| CN208244526U (en) * | 2018-03-06 | 2018-12-18 | 成都科锐志科技有限公司 | A kind of new and effective automation feed stuff agitating device |
| CN208377546U (en) * | 2018-05-20 | 2019-01-15 | 王明清 | A kind of heat-insulated storage device of industrial methanol fuel |
| CN208541624U (en) * | 2017-10-23 | 2019-02-26 | 漯河医学高等专科学校 | A kind of Gynecological drug administration washer |
| CN209852986U (en) * | 2019-04-03 | 2019-12-27 | 浙江杰楠环保科技有限公司 | Formaldehyde storage tank capable of controlling flow |
-
2019
- 2019-04-03 CN CN201910264766.3A patent/CN109941620A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005041437A1 (en) * | 2005-08-31 | 2007-03-15 | Müller, Philip | Fueling monitor for tank lorry, has sealing piston closing inlet, when input-side is loaded with pressure below preset pressure limit, and releasing inlet for filling of tank, when input-side is loaded with pressure above limit |
| CN106945945A (en) * | 2017-05-05 | 2017-07-14 | 蔡萍 | A kind of cosmetic raw material barrel |
| CN208541624U (en) * | 2017-10-23 | 2019-02-26 | 漯河医学高等专科学校 | A kind of Gynecological drug administration washer |
| CN208244526U (en) * | 2018-03-06 | 2018-12-18 | 成都科锐志科技有限公司 | A kind of new and effective automation feed stuff agitating device |
| CN208067195U (en) * | 2018-04-18 | 2018-11-09 | 陕西璐江桥隧设备有限公司 | A kind of reinforcing steel bar hoop bending intelligent apparatus using Special-shaped bearing |
| CN208151282U (en) * | 2018-04-28 | 2018-11-27 | 陕西谷佳现代有机农业科技有限公司 | A kind of distribution device in gas-fluid for gas retort |
| CN208377546U (en) * | 2018-05-20 | 2019-01-15 | 王明清 | A kind of heat-insulated storage device of industrial methanol fuel |
| CN209852986U (en) * | 2019-04-03 | 2019-12-27 | 浙江杰楠环保科技有限公司 | Formaldehyde storage tank capable of controlling flow |
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Country or region after: China Address after: 313000 Industrial Park, Hong Qiao Town, Changxing County, Huzhou, Zhejiang Applicant after: ZHEJIANG JIENAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 313000 Yishan Industrial Park, Hongqiao Town, Changxing County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG JIENAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |