CN211013115U - Portable teletransmission water gauge that can field work - Google Patents
Portable teletransmission water gauge that can field work Download PDFInfo
- Publication number
- CN211013115U CN211013115U CN201922225251.0U CN201922225251U CN211013115U CN 211013115 U CN211013115 U CN 211013115U CN 201922225251 U CN201922225251 U CN 201922225251U CN 211013115 U CN211013115 U CN 211013115U
- Authority
- CN
- China
- Prior art keywords
- water
- drawer
- inlet pipe
- water meter
- fixed
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000000746 purification Methods 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 239000003610 charcoal Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a but portable field operation's teletransmission water gauge, including water meter case, connecting seat, dial plate, water meter cover and valve, its characterized in that: the fixed first inlet tube that is provided with in water gauge casing one side, first inlet tube is kept away from and is connected the fixed water purification mechanism that is provided with of water gauge casing one end, water purification mechanism both ends are the fixed mount that is provided with respectively, two seted up a plurality of screws on the mount, first inlet tube passes through the cooperation with water purification mechanism one end and is connected between screw and the nut, water purification mechanism keeps away from the one end of connecting first inlet tube and passes through the fixed second inlet tube that is provided with of cooperation between screw and the nut, the utility model discloses simple to operate, long service life has solved current water gauge product structural component simultaneously more, and the installation step is many, because water does not obtain purification treatment during the use, and time is long, owing to piled up a large amount of incrustation scale and impurity for the water gauge is blocked up the problem that.
Description
Technical Field
The utility model belongs to the instrument and meter field especially relates to a but portable site operation's teletransmission water gauge.
Background
At present, the intelligent water meter basically adopts a structure that an electronic component is additionally arranged on the traditional mechanical water meter. The existing water meter product has more structural components and more installation steps, and the water meter cannot be purified during use for a long time due to the accumulation of a large amount of scales and impurities, so that the water meter cannot work due to blockage, the maintenance cost of the electronic components is higher, and even a new water meter needs to be replaced.
When current water gauge is using, if meet the colder condition of weather, the glass on its water gauge lid will appear steam, and the electronic parts and the mechanical part of intelligence water gauge are compared and are damaged easily, and electronic parts easily takes place to damage after meeting water, and electronic parts's cost of maintenance is also higher, has also increased rusty possibility after its mechanical equipment meets water, great waste unnecessary resource.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but portable field operation's teletransmission water gauge to the current water gauge that proposes in solving above-mentioned background art can't take place the problem of harm after meeting steam with water purification treatment and electronic parts and mechanical equipment.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a but portable field operation's teletransmission water gauge, includes water meter case, connecting seat, dial plate, water meter cover and valve, its characterized in that: a first water inlet pipe is fixedly arranged on one side of the water meter shell, a water purifying mechanism is fixedly arranged on one end, far away from and connected with the water meter shell, of the first water inlet pipe, fixing frames are fixedly arranged at the two ends of the water purifying mechanism respectively, a plurality of screw holes are formed in the two fixing frames, the first water inlet pipe is connected with one end of the water purifying mechanism in a matched manner through bolts and nuts, a second water inlet pipe is fixedly arranged at one end, far away from and connected with the water purifying mechanism, of the water purifying mechanism in a matched manner through bolts and nuts, a valve is fixedly arranged at one end, far away from and connected with the water purifying mechanism, of the second water inlet pipe, a water inlet interface is fixedly arranged at one end, far away from and connected with the valve, of the second water inlet pipe, a connecting seat is, the water meter shell is fixedly provided with a water outlet pipe at one end far away from and connected with the first water inlet pipe, and a water outlet port is fixedly arranged at one end far away from and connected with the water meter shell.
Preferably, water purification mechanism includes filter tube and spring post, water purification mechanism is the inner chamber structure, both sides are fixed respectively about the water purification mechanism inner chamber and are provided with a plurality of spring posts, the filter tube includes rubble filter layer, activated carbon layer and fine sand filter layer, the filter tube is the structure of leaking down, filter tube inner chamber and second inlet tube intercommunication, the filter tube is close to and has set gradually rubble filter layer, activated carbon layer, fine sand filter layer on one side of connecting the second inlet tube, intercommunication second inlet tube one end and first inlet tube intercommunication are kept away from to the filter tube.
Preferably, drying mechanism includes drawer and spring, the drawer groove has been seted up to connecting seat one side, drawer inslot movable mounting has the drawer, the fixed handle that is provided with of drawer one end, the drawer bottom mounting is provided with a plurality of pulleys, the spout has been seted up to the bottom surface of drawer, swing joint between pulley and the spout, the drawer is located to keep away from and sets up the fixed spring that is provided with of handle one end, the spring is kept away from the one end and the drawer inslot wall fixed connection of connecting the drawer, the fixed a plurality of stoppers that are provided with of drawer inslot chamber.
Preferably, the dial plate is positioned above the drying chamber and provided with a vent, and the surface of the drawer is provided with a plurality of vent holes.
Preferably, the water purification mechanism all is provided with the sealing washer with first inlet tube and second inlet tube intercommunication department, and the sealing washer is the rubber material.
Preferably, a counter is fixedly arranged on the surface of the dial plate, and a wireless transmitter is fixedly arranged on one side of the counter.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the bamboo charcoal that absorbs water that is used for dry steam is placed to drying mechanism the inside, and the ventilation hole has all been seted up to four sides of drawer, has also seted up the vent on the dial plate, and the steam that produces in the dial plate will be handled by the bamboo charcoal that absorbs water and fall, has avoided electronic part to take place to damage after meeting water like this, and rusty problem behind its mechanical equipment meeting water.
2. The rivers get into water purification mechanism through the second inlet tube, rivers are the filter tube in water purification mechanism, the filter tube both sides set up a plurality of spring posts, the filter tube takes place to shift and leads to leaking when can avoiding rivers to pass through the filter tube, rivers loop through the rubble filter layer in the filter tube, activated carbon layer and fine sand filter layer, the rubble filter layer can be filtered the large granule material in the rivers, organic matter or toxic material in the rivers will be adsorbed and get rid of to the activated carbon layer, make water obtain purifying, the fine sand filter layer can filter the small granule material in the rivers, avoid rivers after the water gauge like this, a large amount of incrustation scale and impurity have been piled up in making the water gauge, thereby the water gauge is blocked up the unable work.
Drawings
Fig. 1 is a schematic view of the overall structure of a portable remote water meter capable of working in situ according to the present invention;
fig. 2 is a schematic structural view of a portable remote water meter water purification mechanism capable of working in situ;
fig. 3 is a schematic structural view of a portable remote water meter drying mechanism capable of working in situ according to the present invention;
fig. 4 is a schematic top view of a portable remote water meter capable of performing on-site operation according to the present invention;
in the figure: 1. a water meter housing; 2. a connecting seat; 3. a water meter cover; 4. a dial plate; 5. a valve; 6. a first water inlet pipe; 7. a water purification mechanism; 71 and a spring post; 72. a filter tube; 721. a macadam filtration layer; 722. an activated carbon layer; 723. a fine sand filtration layer; 8. a second water inlet pipe; 9. a fixed mount; 10. a water inlet interface; 11. a water outlet interface; 12. a drying mechanism; 13. a water outlet pipe; 14. a drawer; 15 and a spring; 16. a drawer slot; 17. a handle; 18. a pulley; 19. a chute; 20. a vent hole; 21. a vent; 22. a counter; 23. a wireless transmitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in figures 1-4, the utility model provides a portable remote water meter capable of working on site, which comprises a water meter shell 1, a connecting seat 2, a dial 4, a water meter cover 3 and a valve 5, wherein one side of the water meter shell 1 is fixedly provided with a first water inlet pipe 6, one end of the first water inlet pipe 6, which is far away from and connected with the water meter shell 1, is fixedly provided with a water purifying mechanism 7, two ends of the water purifying mechanism 7 are respectively and fixedly provided with a fixing frame 9, two fixing frames 9 are provided with a plurality of screw holes, one end of the first water inlet pipe 6 and one end of the water purifying mechanism 7 are connected by matching between a bolt and a nut, one end of the water purifying mechanism 7, which is far away from and connected with the first water inlet pipe 6, is fixedly provided with a second water inlet pipe 8 by matching between the bolt and the nut, one end of the second water inlet, the fixed connecting seat 2 that is provided with in 1 top of water gauge casing, the fixed dial plate 4 that is provided with in 2 tops of connecting seat, 2 inner chambers of connecting seat are located dial plate 4 below one side and fixedly are provided with dry cavity, the fixed outlet pipe 13 that is provided with in 6 one end of connecting first inlet tube is kept away from to water gauge casing 1, outlet pipe 13 keeps away from the fixed water outlet port 11 that is provided with in one end of connecting water gauge casing 1, dial plate 4 fixed surface is provided with counter 22, the fixed wireless transmitter 23 that is provided with in counter 22 one.
The water purification mechanism 7 comprises a filter pipe 72 and spring columns 71, the water purification mechanism 7 is of an inner cavity structure, the upper side and the lower side of the inner cavity of the water purification mechanism 7 are respectively and fixedly provided with a plurality of spring columns 71, the filter pipe 72 comprises a gravel filter layer 721, an activated carbon layer 722 and a fine sand filter layer 723, the filter pipe 72 is of a reverse funnel structure, the inner cavity of the filter pipe 72 is communicated with the second water inlet pipe 8, one side, close to and connected with the second water inlet pipe 8, of the filter pipe 72 is sequentially provided with the gravel filter layer 721, the activated carbon layer 722 and the fine sand filter layer 723, one end, far away from and communicated with the second water inlet pipe 8, of the filter pipe 72 is communicated with the first water inlet pipe 6, water flows into the water purification mechanism 7 through the second water inlet pipe 8, the water flows in the filter pipe 72 in the water purification mechanism 7, the two sides of the filter pipe 72 are, The activated carbon layer 722 and the fine sand filtering layer 723, the gravel filtering layer 721 can filter large granular substances in water flow, the activated carbon layer 722 can adsorb and remove organic substances or toxic substances in the water flow to purify water, and the fine sand filtering layer 723 can filter small granular substances in the water flow, so that the water meter is prevented from being blocked and incapable of working due to the fact that a large amount of scale and impurities are accumulated in the water meter after the water flow passes through the water meter.
The drying mechanism 12 comprises a drawer 14 and a spring 15, a drawer groove 16 is formed in one side of the connecting seat 2, the drawer 14 is movably installed in the drawer groove 16, a handle 17 is fixedly arranged at one end of the drawer 14, a plurality of pulleys 18 are fixedly arranged at the bottom end of the drawer 14, a sliding groove 19 is formed in the surface of the bottom end of the drawer 14, the pulleys 18 are movably connected with the sliding groove 19, the spring 15 is fixedly arranged at one end, away from the handle 17, of the drawer 14, one end, away from the drawer 14, of the spring 15 is fixedly connected with the inner wall of the drawer groove 16, a plurality of limiting blocks are fixedly arranged in the inner cavity of the drawer groove 16, the drawer 14 in the drying mechanism 12 in the water meter is pulled open, water-absorbing bamboo charcoal for drying water vapor is placed in the inner side, the handle 17 is loosened, the spring 15 arranged in the drawer groove 16 can pull the drawer 14 back into the drawer, the water vapor generated in the dial 4 is treated by the bamboo charcoal, thus avoiding the problems that the electronic components are damaged when meeting water and the mechanical equipment is rusted when meeting water.
The dial 4 is located the drying chamber top and has seted up vent 21, and drawer 14 surface has seted up a plurality of ventilation holes 20, and ventilation hole 20 has all been seted up to drawer 14 four sides, has also seted up vent 21 on the dial 4, and the steam that produces in the dial 4 will be disposed of by the bamboo charcoal that absorbs water.
The water purification mechanism 7 and the communication positions of the first water inlet pipe 6 and the second water inlet pipe 8 are provided with sealing rings which are made of rubber, so that the water leakage phenomenon at the connection position is avoided.
The utility model discloses a theory of operation: a worker connects the water inlet and outlet pipe 13 to a water meter through the water inlet connector 10 and the water outlet connector 11 respectively, opens the main valve to check whether water leaks at the connection part, then opens the valve 5 on the water meter, the water enters the water purification mechanism 7 through the second water inlet pipe 8, the water flows in the filter pipe 72 in the water purification mechanism 7, a plurality of spring columns 71 are arranged at two sides of the filter pipe 72, the water leakage caused by the displacement of the filter pipe 72 when the water flows through the filter pipe 72 can be avoided, the water flows in the filter pipe 72 sequentially pass through the gravel filter layer 721, the activated carbon layer 722 and the fine sand filter layer 723, the gravel filter layer 721 can filter large-particle substances in the water flows, the activated carbon layer 722 can adsorb and remove organic matters or toxic substances in the water flows to purify the water, the fine sand filter 723 can filter small-particle substances in the water flows, and thus a large amount of scales and impurities are, thereby the water gauge is blocked unable work, rivers reach first inlet tube 6 after water purification mechanism 7, get into in the water gauge afterwards, pull open drawer 14 in the drying mechanism 12 in with the water gauge, the bamboo charcoal that absorbs water that is used for dry steam is placed to the inside, loosen handle 17, spring 15 that sets up in the drawer groove 16 utilizes elasticity can pull drawer 14 back in the drawer groove 16, ventilation hole 20 has all been seted up to drawer 14 four sides, vent 21 has also been seted up on dial plate 4, the steam that produces in the dial plate 4 will be handled by bamboo charcoal that absorbs water, the emergence damage after having avoided electronic part to meet the water like this, rusty problem behind the water is met to its mechanical equipment.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a but portable field operation's teletransmission water gauge, includes water meter case (1), connecting seat (2), dial plate (4), water meter cover (3) and valve (5), its characterized in that: a first water inlet pipe (6) is fixedly arranged on one side of the water meter shell (1), one end, far away from the water meter shell (1), of the first water inlet pipe (6) is fixedly provided with a water purifying mechanism (7), two ends of the water purifying mechanism (7) are respectively and fixedly provided with a fixing frame (9), a plurality of screw holes are formed in the two fixing frames (9), the first water inlet pipe (6) is connected with one end, far away from the first water inlet pipe (6), of the water purifying mechanism (7) in a matched mode through a bolt and a nut, one end, far away from the first water inlet pipe (6), of the water purifying mechanism (7) is fixedly provided with a second water inlet pipe (8) in a matched mode through a bolt and a nut, one end, far away from the water purifying mechanism (7), of the second water inlet pipe (8) is fixedly provided with a valve (5), the water meter comprises a water meter shell (1), wherein a connecting seat (2) is fixedly arranged at the top end of the water meter shell (1), a dial plate (4) is fixedly arranged at the top end of the connecting seat (2), a drying cavity is fixedly arranged on one side below the dial plate (4) in the inner cavity of the connecting seat (2), a water outlet pipe (13) is fixedly arranged at one end of the water meter shell (1) far away from and connected with a first water inlet pipe (6), a water outlet port (11) is fixedly arranged at one end of the water outlet pipe (13) far away from and connected with the water meter shell (1), and a drying mechanism (12).
2. A portable, field-operable, remote-water meter according to claim 1, further comprising: water purification mechanism (7) are including filter tube (72) and spring post (71), water purification mechanism (7) are inner cavity structure, both sides are fixed respectively about water purification mechanism (7) inner chamber are provided with a plurality of spring posts (71), filter tube (72) are including rubble filter layer (721), activated carbon layer (722) and fine sand filter layer (723), filter tube (72) are for falling the hopper structure, filter tube (72) inner chamber and second inlet tube (8) intercommunication, filter tube (72) are close to and are connected second inlet tube (8) one side and have set gradually rubble filter layer (721), activated carbon layer (722), fine sand filter layer (723), intercommunication second inlet tube (8) one end and first inlet tube (6) intercommunication are kept away from in filter tube (72).
3. A portable, field-operable, remote-water meter according to claim 1, further comprising: drying mechanism (12) include drawer (14) and spring (15), drawer groove (16) have been seted up to connecting seat (2) one side, movable mounting has drawer (14) in drawer groove (16), drawer (14) one end is fixed to be provided with handle (17), drawer (14) bottom mounting is provided with a plurality of pulleys (18), spout (19) have been seted up to the bottom surface of drawer (14), swing joint between pulley (18) and spout (19), drawer (14) are located to keep away from to set up fixed spring (15) that is provided with of handle (17) one end, the one end and the drawer groove (16) inner wall fixed connection of connecting drawer (14) are kept away from to spring (15), drawer groove (16) inner chamber is fixed and is provided with a plurality of stoppers.
4. A portable, field-operable, remote-water meter according to claim 3, further comprising: the dial plate (4) is located above the drying chamber and is provided with a vent hole (21), and the surface of the drawer (14) is provided with a plurality of vent holes (20).
5. A portable, field-operable, remote-water meter according to claim 2, further comprising: the water purification mechanism (7) is provided with sealing rings at the communication positions of the first water inlet pipe (6) and the second water inlet pipe (8), and the sealing rings are made of rubber.
6. A portable, field-operable, remote-water meter according to claim 1, further comprising: the dial plate (4) fixed surface is provided with counter (22), counter (22) one side is fixed and is provided with wireless transmitter (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225251.0U CN211013115U (en) | 2019-12-12 | 2019-12-12 | Portable teletransmission water gauge that can field work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225251.0U CN211013115U (en) | 2019-12-12 | 2019-12-12 | Portable teletransmission water gauge that can field work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211013115U true CN211013115U (en) | 2020-07-14 |
Family
ID=71506383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922225251.0U Expired - Fee Related CN211013115U (en) | 2019-12-12 | 2019-12-12 | Portable teletransmission water gauge that can field work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211013115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551735A (en) * | 2021-07-05 | 2021-10-26 | 山东善水仪表科技有限公司 | Electron teletransmission water gauge with purification performance |
| CN113720410A (en) * | 2021-08-19 | 2021-11-30 | 福建德傲表计有限公司 | NB-IOT wireless remote water meter convenient to installation |
-
2019
- 2019-12-12 CN CN201922225251.0U patent/CN211013115U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551735A (en) * | 2021-07-05 | 2021-10-26 | 山东善水仪表科技有限公司 | Electron teletransmission water gauge with purification performance |
| CN113551735B (en) * | 2021-07-05 | 2022-11-22 | 山东善水仪表科技有限公司 | Electron teletransmission water gauge with purification performance |
| CN113720410A (en) * | 2021-08-19 | 2021-11-30 | 福建德傲表计有限公司 | NB-IOT wireless remote water meter convenient to installation |
| CN113720410B (en) * | 2021-08-19 | 2024-06-11 | 福建德傲表计有限公司 | NB-IOT wireless remote water meter convenient for installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211013115U (en) | Portable teletransmission water gauge that can field work | |
| CN212119277U (en) | Portable sewage treatment tank suitable for household sewage treatment | |
| CN111718036A (en) | Domestic sewage environmental protection purifies preliminary treatment pond | |
| CN215211445U (en) | Drainage device for energy-saving building | |
| CN211025440U (en) | Novel residue clearance ware for sewage treatment | |
| CN209974452U (en) | Domestic sewage treatment device | |
| CN209307059U (en) | A kind of mine drainage optimization device with filtration | |
| CN212141642U (en) | Domestic sewage treatment device | |
| CN211113889U (en) | Drainage anti-blocking structure for tap water treatment | |
| CN206828234U (en) | A kind of municipal wastewater processing unit | |
| CN202087117U (en) | Sewage treatment filter device | |
| CN211946510U (en) | Sewage treatment purifier | |
| CN207085487U (en) | A kind of efficient family expenses strong water purifier | |
| CN216785944U (en) | High-efficient cut-off equipment of municipal works muddy water | |
| CN214247661U (en) | Gardens are with high-efficient sewage draw-out device | |
| CN218046899U (en) | Rural distributed sewage treatment device | |
| CN209791046U (en) | Landfill leachate dish tubular reverse osmosis unit | |
| CN219784096U (en) | Anti-blocking mechanism of sewage treatment pipeline | |
| CN214473266U (en) | Waste water monitoring equipment | |
| CN221254310U (en) | Ultrapure water preparation device | |
| CN220802088U (en) | Sewage filtering box | |
| CN212559689U (en) | Be used for domestic sewage filter equipment | |
| CN216566639U (en) | Glass fiber reinforced plastic resin concrete integrated open caisson type prefabricated pump station | |
| CN221244122U (en) | Filter that sewage treatment used | |
| CN210086346U (en) | Water supply equipment for petroleum coke production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |