CN103143200B - Internal corrosion prevention method of metal pot for micro-irrigation - Google Patents
Internal corrosion prevention method of metal pot for micro-irrigation Download PDFInfo
- Publication number
- CN103143200B CN103143200B CN201310079192.5A CN201310079192A CN103143200B CN 103143200 B CN103143200 B CN 103143200B CN 201310079192 A CN201310079192 A CN 201310079192A CN 103143200 B CN103143200 B CN 103143200B
- Authority
- CN
- China
- Prior art keywords
- tank
- water inlet
- inlet pipe
- outlet pipe
- flexible inner
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003973 irrigation Methods 0.000 title claims abstract description 19
- 238000005536 corrosion prevention Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000013536 elastomeric material Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to an integral corrosion prevention method of a metal pot for micro-irrigation. The method comprises the following steps of: setting a flexible liner with an anti-corrosion function on the inner wall of the pot body of the metal pot; fixing an opening of the flexible liner at the top surface of a pot opening of the pot body in a sealing manner; respectively setting through holes on the flexible liner at the positions relative to a water inlet pipe and a water outlet pipe of the metal pot; and sleeving and fixedly sealing the flexible liner on the water inlet pipe and the water outlet pipe extending inside the metal pot. A pressure plate is arranged at the pot opening; a pair of fixed ear rings are arranged on both sides outside the pot opening; a transverse rod is arranged far away from the pressure plate; the ear rings on both sides of the pot opening are correspondingly sleeved on both ends of the transverse rod; and the center of the transverse rod is provided with an adjusting bolt for jacking the pressure plate. The water inlet pipe and the water outlet pipe are provided with external screw threads at the position where the inner end opening of the pot body is located, and a sealing washer is sleeved at each external screw thread and is tightly pressed and sealed through a pressing ring with an internal screw thread. The method can be widely applied to various agricultural micro-irrigation systems.
Description
Technical field
The present invention relates to a kind of metal can anticorrosion method for interior, be particularly applicable to agriculture internal corrosion prevention method of metal pot for micro-irrigation about one.
Background technology
Metallic filter and fertilizer spreading tank are the equipment often adopted in current agriculture irrigation system, because agricultural irrigation systems requires that equipment price can not be too high, and existing anti-corrosion of metal technology in cost costly, be difficult to adopt in agricultural irrigation equipment, therefore the most of metallic filter in general irrigation system and fertilizer spreading tank do not take any anti-corrosion measure, some is also just at metal can internal spray antirust coat, as antirust paint, epoxy resin etc., but the antirust coat life-span is very short, the service life about generally only having half a year.Metal can very easily and water or fertilizer react, cause the inwall of filter or fertilizer spreading tank get rusty and corrode, decrease service life, and rust staining or Staining easily enter in slight irrigation pipeline, block water irrigator.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of low investment, effectively can prevent the internal corrosion prevention method of metal pot for micro-irrigation of metal can corrosion.
For achieving the above object, the present invention takes following technical scheme: a kind of internal corrosion prevention method of metal pot for micro-irrigation, it arranges in the inner tank wall of metal can the flexible inner that one deck has anti-corrosion function, the sealing of the opening of flexible inner is fixed on the end face of the tank mouth of tank body; Be respectively arranged with through hole by relative on the water inlet pipe of metal can and the flexible inner of outlet pipe position, and by flexible inner sheathed and fixing seal on the water inlet pipe stretched in above-mentioned metal can and outlet pipe.
Described tank mouth place is provided with a platen, the both sides of described tank mouth outside are provided with a pair fixed lug, side away from described platen is provided with a cross bar, the earrings correspondence of described tank mouth both sides is set in the two ends of described cross bar, and described cross bar center is provided with the adjusting bolt that holds out against described platen.
Described water inlet pipe and outlet pipe are positioned at described tank body inner port place and are provided with external screw thread, and described in each, external screw thread place is arranged with a seal washer, and by the female pressure ring press seal of a tool.
Described tank body is a screen mesh type filter metal can, described tank mouth is positioned at the top of described tank body, described water inlet pipe is welded on the radial direction in the middle part of described tank body, described outlet pipe is welded on the bottom of described tank body, a cylindrical sieve filter core is inserted with in described tank body, the top of described cylindrical sieve filter core is provided with a discoid rubber gasket, and the end face of described rubber gasket is fixedly connected on bottom described platen.
Described tank body is a centrifugal type filter metal can, described tank body to comprise on one tank and once tank, the top of described upper tank is tubular, bottom is in cone tubular, described lower tank is horizontal tubular, and described tank mouth is positioned at one end of described lower tank, the junction of described upper and lower tank is respectively arranged with a mounting flange, and the described flexible inner arranged in described upper and lower tank, described flexible inner is renovated respectively on the ring flange connected separately, and described upper and lower tank connected ring flange is bolted integral; Described water inlet pipe is welded on the radial direction on described upper tank top, and described outlet pipe is welded on the top of described upper tank, and the tank mouth place of described lower tank is provided with a sealing ring, and described sealing ring another side is fixedly connected on bottom described platen.
Described tank body is a fertilising metal can, the top of described tank body is provided with the tank mouth that has arc shoulder, described water inlet pipe and outlet pipe are welded on described arc shoulder respectively, be welded with a blow-off pipe in the radial direction of described tank body lower part, the inside and outside port of described water inlet pipe, outlet pipe and blow-off pipe is provided with external screw thread; The position that described flexible inner contacts with described water inlet pipe, outlet pipe and blow-off pipe is provided with through hole, and be enclosed within the inner port of described water inlet pipe, outlet pipe and blow-off pipe, sheathed one seal washer pressing close to described flexible inner respectively on described water inlet pipe, outlet pipe and blow-off pipe, the one side that described arc shoulder pressed close to by seal washer sheathed on described water inlet pipe, outlet pipe arranges curved, and by the female pressure ring press seal of a tool, the tank mouth of described tank body is provided with a sealing ring, and described sealing ring end face is fixedly connected on bottom described platen.
The flexible inner of anti-corrosion function described in each all adopts the one in plastic material, elastomeric material to process.
The present invention is owing to taking above technical scheme; it has the following advantages: 1, the inventive method in various inner tank wall because laminating has the flexible inner of anti-corrosion function; in the tank mouth place and ring flange of metal can, all renovated flexible inner simultaneously; therefore agricultural chemicals or other liquid effectively can be prevented the corrosion of metal can, protect metal can comprehensively and effectively.2, the inventive method owing to being arranged with the seal washer that presses close to flexible inner in the inner port of water inlet pipe, outlet pipe and blow-off pipe, and by the female pressure ring press seal of a tool, therefore flexible inner and metal can inwall not only can be made to fit more tight, and good seal performance.3, the inventive method is due to the seal washer that sheathed one side is curved respectively on the water inlet pipe of metal can pressing close to have arc shoulder and outlet pipe inner port, therefore makes flexible inner have good sealing in the position of arc shoulder.4, the inventive method is owing to adopting the processing flexibility such as plastic material, elastomeric material inner bag, therefore cheap, changes flexible inner easy to operate.The inventive method can be widely used in various agriculture irrigation system.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation
Fig. 2 is embodiment 1 water inlet pipe connection diagram
Fig. 3 is the embodiment of the present invention 2 structural representation
Fig. 4 is the embodiment of the present invention 3 structural representation
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1:
As shown in Figure 1 and Figure 2, the present embodiment is a screen mesh type filter metal can, and it comprises the metal can 1 of a tubular, and the tank mouth outer wall of tank body 1 is symmetrically arranged with a pair fixed lug 2.In the middle part of tank body 1, radial direction is welded with a water inlet pipe 3, and water inlet pipe 3 inner port has external screw thread, and external port has a mounting disc 4, in order to connect outer tube.Tank body 1 bottom welding has an outlet pipe 5, and the inner port of outlet pipe 5 has external screw thread.Tank body 1 inwall is provided with the flexible inner 6 that one deck has anti-corrosion function, the upper port of flexible inner 6 renovates the end face at tank body 1, the position that flexible inner 6 contacts with outlet pipe 5 with water inlet pipe 3 is respectively arranged with through hole, and is enclosed within the inner port of water inlet pipe 3 and outlet pipe 5.Sheathed one seal washer 7 pressing close to flexible inner 6 respectively in the inner port of water inlet pipe 3 and outlet pipe 5, and seal respectively by the female pressure ring 8 of a tool and compress flexible inner 6.One cylindrical sieve filter core 9 is located in tank body 1, cylindrical sieve filter core 9 top is provided with a discoid rubber gasket 10, the end face of rubber gasket 10 is pushed down by a platen 11, platen 11 is also pressed on the flexible inner 6 at tank body 1 tank mouth place simultaneously, to prevent the water in tank body 1 from oozing out, also prevent the addle outside filter core 9 from mixing with the filtered water (clean water) in filter core 9 simultaneously.Above platen 11, arrange a cross bar 12, the two ends of cross bar 12 are located in the hole of each earrings 2 respectively, and cross bar 12 center is provided with an adjusting bolt 13, and rotating adjusting bolt 13 can by platen 11 by flexible inner 6 press seal.
Embodiment 2:
As shown in Figure 3, the present embodiment is a centrifugal type filter metal can, and its tank body to comprise on one tank 14 and once tank 15, and the top of upper tank 14 is a tubular, and bottom is a cone tubular.Upper tank 14 tubular radial direction is welded with a water inlet pipe 16 identical with embodiment 1, upper tank 14 top is welded with an outlet pipe 17, the structure of outlet pipe 17 is identical with the structure of water inlet pipe 16, the bottom outer-edge of upper tank 14 is provided with the ring flange 18 of tank 15 under a connection, upper tank 14 inwall is provided with the flexible inner 19 that one deck has flexible corrosion protection function, the lower port of flexible inner 19 is renovated on ring flange 18, the position that flexible inner 19 contacts with outlet pipe 17 with water inlet pipe 16 is respectively arranged with through hole, and is enclosed within the inner port of water inlet pipe 16 and outlet pipe 17.Sheathed one seal washer 20 pressing close to flexible inner 19 respectively in the inner port of water inlet pipe 16 and outlet pipe 17, and respectively by a tool female pressure ring 21 press seal flexible inner 19.
Lower tank 15 is a horizontal tubular, and the bottom of lower tank 15 can be provided with supporting leg 22, and lower tank 15 tank mouth outer wall is symmetrically arranged with a pair fixed lug 23, and the middle part radial direction of lower tank 15 has connector, and connector place is provided with the ring flange 24 of tank 14 in a connection.Lower tank 15 inwall is provided with the flexible inner 25 that one deck has anti-corrosion function, and the tank mouth place at lower tank 15 is renovated in one end of flexible inner 25, and the middle part of flexible inner 25 has one and passes connector and renovate on ring flange 24.One to push down flexible inner 25 platen 27 by sealing ring 26 is provided with at the tank mouth place of lower tank 15, a cross bar 28 is provided with in the side away from platen 27, the center of cross bar 28 is provided with an adjusting bolt 29, when the two ends of cross bar 28 are each passed through the endoporus of earrings 23, rotating adjusting bolt 29 can be pressed on flexible inner 25 on the tank mouth of lower tank 15 by platen 27.Finally by bolt, upper for the connection ring flange 18 of tank 14 and the ring flange 24 of lower tank 15 are connected as one, and by flexible inner 19,25 press seal of upper and lower tank 14,15.
Embodiment 3:
As shown in Figure 4, the present embodiment is a fertilising metal can, and the top of its tank body 30 is provided with the tank mouth that has arc shoulder 31, the outer wall of tank mouth is symmetrically arranged with a pair fixed lug 32.Arc shoulder 31 is welded with water inlet pipe 33 and an outlet pipe 34 respectively, is welded with a blow-off pipe 35 in the radial direction of tank body 30 bottom, the inside and outside port of water inlet pipe 33, outlet pipe 34 and blow-off pipe 35 is provided with external screw thread.Tank body 30 inwall is provided with the flexible inner 36 that one deck has anti-corrosion function, the upper port of flexible inner 36 renovates the end face of the tank mouth at tank body 30, the position that flexible inner 36 contacts with blow-off pipe 35 with water inlet pipe 33, outlet pipe 34 is respectively arranged with through hole, at inner port sheathed one seal washer 37 pressing close to flexible inner 36 respectively of water inlet pipe 33, outlet pipe 34 and blow-off pipe 35, and respectively by a tool female pressure ring 38 press seal flexible inner 36.The tank mouth of tank body 30 is provided with one to push down flexible inner 36 platen 40 by sealing ring 39, one cross bar 41 is set above platen 40, the center of cross bar 41 is provided with an adjusting bolt 42, when cross bar 41 two ends are each passed through the endoporus of earrings 32, rotating adjusting bolt 42 can by platen 40 by flexible inner 36 press seal.
In above-described embodiment, the structure of earrings 2,23,32 can adopt the various structures of prior art, adopts welding manner with the connection of each tank body 1,15,30.
In above-described embodiment, flexible inner 6,19,25,36 all can adopt plastic material, elastomeric material or other flexible material to process.
In above-described embodiment, each pressure ring 8,21,38 all can adopt plastic material or elastomeric material to process.
In above-described embodiment, seal washer 37 one side of the water inlet pipe 33 and outlet pipe 34 place of pressing close to arc shoulder 31 also can arrange curved.
As can be seen from the various embodiments described above, the inventive method arranges at the inwall of metal can the flexible inner that one deck has anti-corrosion function, the sealing of the opening of flexible inner is fixed on the end face of the tank mouth of tank body; Through hole is respectively arranged with by relative on the water inlet pipe of metal can and the flexible inner of outlet pipe position, and by flexible inner fixing seal in the inner port of the water inlet pipe stretched in metal can and outlet pipe.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (6)
1. an internal corrosion prevention method of metal pot for micro-irrigation, is characterized in that, arranges in the inner tank wall of metal can the flexible inner that one deck has anti-corrosion function, the sealing of the opening of flexible inner is fixed on the end face of the tank mouth of tank body; Be respectively arranged with through hole by relative on the water inlet pipe of metal can and the flexible inner of outlet pipe position, and by flexible inner sheathed and fixing seal on the water inlet pipe stretched in above-mentioned metal can and outlet pipe; Described tank mouth place is provided with a platen, the both sides of described tank mouth outside are provided with a pair fixed lug, side away from described platen is provided with a cross bar, the earrings correspondence of described tank mouth both sides is set in the two ends of described cross bar, and described cross bar center is provided with the adjusting bolt that holds out against described platen; Described water inlet pipe and outlet pipe are positioned at described tank body inner port place and are provided with external screw thread, and described in each, external screw thread place is arranged with a seal washer, and by the female pressure ring press seal of a tool;
Described tank body is a centrifugal type filter metal can, described tank body to comprise on one tank and once tank, the top of described upper tank is tubular, bottom is in cone tubular, described lower tank is horizontal tubular, and described tank mouth is positioned at one end of described lower tank, the junction of described upper and lower tank is respectively arranged with a mounting flange, and the described flexible inner arranged in described upper and lower tank, described flexible inner is renovated respectively on the ring flange connected separately, and described upper and lower tank connected ring flange is bolted integral; Described water inlet pipe is welded on the radial direction on described upper tank top, and described outlet pipe is welded on the top of described upper tank, and the tank mouth place of described lower tank is provided with a sealing ring, and described sealing ring another side is fixedly connected on bottom described platen.
2. a kind of internal corrosion prevention method of metal pot for micro-irrigation as claimed in claim 1, is characterized in that: the flexible inner of anti-corrosion function described in each all adopts the one in plastic material, elastomeric material to process.
3. an internal corrosion prevention method of metal pot for micro-irrigation, is characterized in that, arranges in the inner tank wall of metal can the flexible inner that one deck has anti-corrosion function, the sealing of the opening of flexible inner is fixed on the end face of the tank mouth of tank body; Be respectively arranged with through hole by relative on the water inlet pipe of metal can and the flexible inner of outlet pipe position, and by flexible inner sheathed and fixing seal on the water inlet pipe stretched in above-mentioned metal can and outlet pipe; Described tank mouth place is provided with a platen, the both sides of described tank mouth outside are provided with a pair fixed lug, side away from described platen is provided with a cross bar, the earrings correspondence of described tank mouth both sides is set in the two ends of described cross bar, and described cross bar center is provided with the adjusting bolt that holds out against described platen; Described water inlet pipe and outlet pipe are positioned at described tank body inner port place and are provided with external screw thread, and described in each, external screw thread place is arranged with a seal washer, and by the female pressure ring press seal of a tool;
Described tank body is a fertilising metal can, the top of described tank body is provided with the tank mouth that has arc shoulder, described water inlet pipe and outlet pipe are welded on described arc shoulder respectively, be welded with a blow-off pipe in the radial direction of described tank body lower part, the inside and outside port of described water inlet pipe, outlet pipe and blow-off pipe is provided with external screw thread; The position that described flexible inner contacts with described water inlet pipe, outlet pipe and blow-off pipe is provided with through hole, and be enclosed within the inner port of described water inlet pipe, outlet pipe and blow-off pipe, sheathed one seal washer pressing close to described flexible inner respectively on described water inlet pipe, outlet pipe and blow-off pipe, the one side that described arc shoulder pressed close to by seal washer sheathed on described water inlet pipe, outlet pipe arranges curved, and by the female pressure ring press seal of a tool, the tank mouth of described tank body is provided with a sealing ring, and described sealing ring end face is fixedly connected on bottom described platen.
4. a kind of internal corrosion prevention method of metal pot for micro-irrigation as claimed in claim 3, is characterized in that: the flexible inner of anti-corrosion function described in each all adopts the one in plastic material, elastomeric material to process.
5. an internal corrosion prevention method of metal pot for micro-irrigation, is characterized in that, arranges in the inner tank wall of metal can the flexible inner that one deck has anti-corrosion function, the sealing of the opening of flexible inner is fixed on the end face of the tank mouth of tank body; Be respectively arranged with through hole by relative on the water inlet pipe of metal can and the flexible inner of outlet pipe position, and by flexible inner sheathed and fixing seal on the water inlet pipe stretched in above-mentioned metal can and outlet pipe; Described tank mouth place is provided with a platen, the both sides of described tank mouth outside are provided with a pair fixed lug, side away from described platen is provided with a cross bar, the earrings correspondence of described tank mouth both sides is set in the two ends of described cross bar, and described cross bar center is provided with the adjusting bolt that holds out against described platen; Described water inlet pipe and outlet pipe are positioned at described tank body inner port place and are provided with external screw thread, and described in each, external screw thread place is arranged with a seal washer, and by the female pressure ring press seal of a tool;
Described tank body is a screen mesh type filter metal can, described tank mouth is positioned at the top of described tank body, described water inlet pipe is welded on the radial direction in the middle part of described tank body, described outlet pipe is welded on the bottom of described tank body, a cylindrical sieve filter core is inserted with in described tank body, the top of described cylindrical sieve filter core is provided with a discoid rubber gasket, and the end face of described rubber gasket is fixedly connected on bottom described platen.
6. a kind of internal corrosion prevention method of metal pot for micro-irrigation as claimed in claim 5, is characterized in that: the flexible inner of anti-corrosion function described in each all adopts the one in plastic material, elastomeric material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079192.5A CN103143200B (en) | 2013-03-13 | 2013-03-13 | Internal corrosion prevention method of metal pot for micro-irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079192.5A CN103143200B (en) | 2013-03-13 | 2013-03-13 | Internal corrosion prevention method of metal pot for micro-irrigation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103143200A CN103143200A (en) | 2013-06-12 |
| CN103143200B true CN103143200B (en) | 2015-03-18 |
Family
ID=48541677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310079192.5A Expired - Fee Related CN103143200B (en) | 2013-03-13 | 2013-03-13 | Internal corrosion prevention method of metal pot for micro-irrigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103143200B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003174826A (en) * | 2001-12-11 | 2003-06-24 | Kagoshima Vinyl Kk | Water pipe of water supply device using titanium oxide photocatalyst |
| CN1442037A (en) * | 2003-03-09 | 2003-09-17 | 吴卫华 | Plant endurable drip irrigation device for preventing drought |
| CN2677006Y (en) * | 2004-02-20 | 2005-02-09 | 新疆水利水电科学研究院 | Centrifugal type composite filter |
| JP2006320317A (en) * | 2005-04-20 | 2006-11-30 | Sumika Agrotech Co Ltd | Filtering device for liquid spray system |
| CN201398353Y (en) * | 2009-04-20 | 2010-02-10 | 杨征林 | Fertilizing tank matched with drop irrigation |
| CN202679972U (en) * | 2011-11-21 | 2013-01-23 | 李海舰 | Plastic farmland fertilizer applicator |
-
2013
- 2013-03-13 CN CN201310079192.5A patent/CN103143200B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003174826A (en) * | 2001-12-11 | 2003-06-24 | Kagoshima Vinyl Kk | Water pipe of water supply device using titanium oxide photocatalyst |
| CN1442037A (en) * | 2003-03-09 | 2003-09-17 | 吴卫华 | Plant endurable drip irrigation device for preventing drought |
| CN2677006Y (en) * | 2004-02-20 | 2005-02-09 | 新疆水利水电科学研究院 | Centrifugal type composite filter |
| JP2006320317A (en) * | 2005-04-20 | 2006-11-30 | Sumika Agrotech Co Ltd | Filtering device for liquid spray system |
| CN201398353Y (en) * | 2009-04-20 | 2010-02-10 | 杨征林 | Fertilizing tank matched with drop irrigation |
| CN202679972U (en) * | 2011-11-21 | 2013-01-23 | 李海舰 | Plastic farmland fertilizer applicator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103143200A (en) | 2013-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209992303U (en) | Special tool for pipeline hydrostatic test | |
| CN209180535U (en) | A kind of fluid pipeline steel flange component | |
| CN103143200B (en) | Internal corrosion prevention method of metal pot for micro-irrigation | |
| CN205745740U (en) | A kind of conduit coupling of good airproof performance | |
| CN106348367A (en) | Cooling water circulation system and sealing devices | |
| CN100532903C (en) | Flange device for connecting conveying pipes | |
| CN203036127U (en) | Welding-free insulation connector | |
| CN203223704U (en) | Plugging device for pipeline port | |
| CN211010298U (en) | Sealing device for valve connection | |
| CN204267930U (en) | A kind of direct insertion pressure piping joint | |
| CN102865427A (en) | Pipeline connecting device | |
| CN207018719U (en) | A kind of plastic union pipe head seal | |
| CN201651304U (en) | Conveniently replaced shower pipe sealing structure for washing tower | |
| CN212691208U (en) | Combined stainless steel three-way component | |
| CN205479839U (en) | Straight -flow blowdown purge tube | |
| CN204942820U (en) | Sewer SEALING FITTING | |
| CN210440730U (en) | High-pressure corrosion-resistant flange | |
| CN210291092U (en) | T-shaped two-way pipe | |
| CN219975741U (en) | Flange plate convenient to install | |
| CN204841155U (en) | Large -traffic candle filter | |
| CN215861935U (en) | High leakproofness valve installation intercommunication structure | |
| CN219013608U (en) | Rust-proof joint structure | |
| CN210978865U (en) | Combined self-locking flange | |
| CN207964103U (en) | Pressure vessel thermometer wrap tube assembly | |
| CN210484272U (en) | Wear-resisting stainless steel flange that sealing performance is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160105 Address after: 024500 the Inner Mongolia Autonomous Region Chifeng City Wengniute ERON Industrial Park Patentee after: Inner Mongolia mu mu land water saving engineering equipment Co.,Ltd. Address before: 024500 the Inner Mongolia Autonomous Region Chifeng City Wengniute ERON Industrial Park Patentee before: INNER MONGOLIA MU HE WATER-SAVING ENGINEERING EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 024500 the Inner Mongolia Autonomous Region Chifeng City Wengniute ERON Industrial Park Patentee after: JINGLAN MUHE WATER SAVING EQUIPMENT CO.,LTD. Address before: 024500 the Inner Mongolia Autonomous Region Chifeng City Wengniute ERON Industrial Park Patentee before: Inner Mongolia mu mu land water saving engineering equipment Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |