CN215048889U - Water treatment equipment - Google Patents
Water treatment equipment Download PDFInfo
- Publication number
- CN215048889U CN215048889U CN202121642299.2U CN202121642299U CN215048889U CN 215048889 U CN215048889 U CN 215048889U CN 202121642299 U CN202121642299 U CN 202121642299U CN 215048889 U CN215048889 U CN 215048889U
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- China
- Prior art keywords
- water
- pipe
- sodium chloride
- way valve
- softener
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 247
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 94
- 239000011780 sodium chloride Substances 0.000 claims abstract description 47
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 13
- 229910001425 magnesium ion Inorganic materials 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 11
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 14
- 239000003456 ion exchange resin Substances 0.000 claims description 10
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910001415 sodium ion Inorganic materials 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical group [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
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Abstract
The utility model discloses a water treatment device, which comprises a sodium chloride container for providing sodium chloride solution, at least two water softeners which work alternately and can adsorb calcium ions and magnesium ions in water, wherein each water softener comprises an upper water pipe and a lower water pipe which can be communicated with a multi-way valve, and each multi-way valve is also connected with a water inlet pipe, a softened water outlet pipe and a waste water discharge pipe; each water softener is communicated with a sodium chloride container through a water feeding pipe, a multi-way valve and a sodium chloride solution conveying pipe; each water softener is communicated with the water inlet main pipe through a water feeding pipe, a multi-way valve and a water inlet pipe; each water softener is communicated with the water production main pipe through a sewer pipe, a multi-way valve and a softened water outlet pipe; each water softener can be communicated with the main sewage discharge pipe through a water feeding pipe, a multi-way valve and a waste water discharge pipe; the utility model discloses simple to operate is swift, can incessant supply demineralized water.
Description
Technical Field
The utility model relates to a water treatment field especially relates to a water treatment device.
Background
The water treatment equipment removes substances or impurities which are harmful to production and life in water by various physical and chemical means, and softens and purifies the water. The existing water treatment equipment generally adopts a water softener, and softened water cannot be supplied when the water softener needs to be backwashed and regenerated or when the only water softener fails, so that great influence is caused on the production and the life of users; the existing water treatment equipment transports the independent components such as pipe fittings, salt tanks, water softeners, filters and the like to a user site, and then the components are assembled one by professional workers, so that the installation time is long, and the installation difficulty is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a water treatment device which is convenient and fast to install and can supply softened water uninterruptedly.
A water treatment device comprises a sodium chloride container for providing a sodium chloride solution, at least two water softeners which work alternately and can adsorb calcium ions and magnesium ions in water, wherein each water softener comprises an upper water pipe and a lower water pipe which can be communicated with a multi-way valve, and each multi-way valve is also connected with a water inlet pipe, a softened water outlet pipe and a waste water discharge pipe; each water softener is communicated with a sodium chloride container through a water feeding pipe, a multi-way valve and a sodium chloride solution conveying pipe; each water softener is communicated with the water inlet main pipe through a water feeding pipe, a multi-way valve and a water inlet pipe; each water softener is communicated with the water production main pipe through a sewer pipe, a multi-way valve and a softened water outlet pipe; each water softener can be communicated with a main sewage discharge pipe through a water feeding pipe, a multi-way valve and a waste water discharge pipe.
Furthermore, the sodium chloride container comprises a shell, a solid sodium chloride placing part which is arranged in the shell and can be used for liquid to pass through, and a sodium chloride solution containing cavity which is arranged in the shell at the lower end of the solid sodium chloride placing part.
Furthermore, each water softener also comprises a tank body, water distributors arranged at the upper end and the lower end in the tank body and used for uniformly spraying liquid, and ion exchange resin arranged between the two water distributors and used for adsorbing calcium ions and magnesium ions in water, wherein the two water distributors are correspondingly communicated with the upper water pipe and the lower water pipe.
Furthermore, the front end of the water inlet main pipe is connected with a filter for purifying water quality, and the filter, the sodium chloride container and each water softener are regularly arranged on the prying device to form a whole.
Furthermore, an electric valve for controlling the on-off of the liquid is arranged on each softened water outlet pipe and between one end of the water production main pipe and one end of the sewage discharge main pipe.
Furthermore, control valves for controlling the on-off of liquid are arranged on the water feeding pipes, the water discharging pipes, the water inlet pipes, the softened water outlet pipes, the waste water discharge pipes and the water inlet end and the water outlet end of the filter.
Furthermore, an auxiliary water pipe with a control valve is arranged in parallel between the water inlet end and the water outlet end of the filter.
Furthermore, a plurality of PP cotton filter elements are arranged in the filter.
The water softener is two and is oppositely arranged on two sides of the sodium chloride container.
The utility model has the advantages that: the two water softeners are adopted and are oppositely arranged on the two sides of the sodium chloride container, so that the layout is more reasonable and compact, the installation space and the pipe fitting loss are saved, the cost can be minimized by adopting the two water softeners, and the softened water can be uninterruptedly supplied for 24 hours through the alternate work of the two water softeners; each part forms a whole through sled dress, after the factory production is debugged, directly transport the user on-the-spot installation fixed can, swift convenient, reduce the on-the-spot installation degree of difficulty, reduce installation time, do benefit to the maintenance.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the utility model after removal of the skid-mounted component;
FIG. 3 is a schematic view of the skid-mounted structure of the present invention;
fig. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic structural view of the water softener of the present invention;
fig. 6 is a schematic structural view of a sodium chloride container of the present invention;
fig. 7 is a schematic structural view of the filter of the present invention.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-7, a water treatment apparatus comprises a sodium chloride container 1 for providing a sodium chloride solution, at least two water softeners 2 which alternately operate and can adsorb calcium ions and magnesium ions in water, wherein the water softeners 2 are preferably arranged on two sides of the sodium chloride container 1, and are oppositely arranged, so that the layout is more reasonable and compact, the installation space is saved, the cost can be minimized by adopting the two water softeners 2, the two water softeners alternately operate, and the purpose of uninterrupted supply of softened water for 24 hours can be realized; the two water softeners 2 comprise an upper water pipe 3 and a lower water pipe 4 which can be communicated with a multi-way valve 5, and the two multi-way valves 5 are also connected with a water inlet pipe 6, a softened water outlet pipe 7 and a waste water discharge pipe 8; the two water softeners 2 are communicated with a sodium chloride container 1 through a water feeding pipe 3, a multi-way valve 5 and a sodium chloride solution conveying pipe 9; the two water softeners 2 are communicated with a main water inlet pipe 10 through a water feeding pipe 3, a multi-way valve 5 and a water inlet pipe 6; the two water softeners 2 are communicated with a main water production pipe 11 through a sewer pipe 4, a multi-way valve 5 and a softened water outlet pipe 7; the two water softeners 2 can be communicated with a main sewage discharge pipe 12 through a water feeding pipe 3, a multi-way valve 5 and a waste water discharge pipe 8, wherein the multi-way valve 5 is a valve body for connecting and controlling multi-way pipelines, the multi-way valve has multiple purposes, one valve can replace multiple valves, multiple water paths are connected, and the connection and the disconnection between the water paths are realized.
Referring to fig. 6 again, the sodium chloride container 1 includes a housing 13, a solid sodium chloride placing member 14 disposed in the housing 13 and allowing liquid to pass through, and a sodium chloride solution containing cavity 15 disposed in the housing 13 at a lower end of the solid sodium chloride placing member 14. After being sprayed and dissolved on the solid sodium chloride, the water flows into the sodium chloride solution containing cavity 15 through the solid sodium chloride placing piece 14, and the solid sodium chloride placing piece 14 can be a plate body with through holes or other net-shaped bearing objects.
Referring to fig. 5 again, the two water softeners 2 further include a tank 16, water distributors 17 disposed at upper and lower ends of the interior of the tank 16 and used for uniformly spraying liquid, and an ion exchange resin 18 disposed between the two water distributors 17 and used for adsorbing calcium ions and magnesium ions in water, which are generally in the form of particles, and the two water distributors 17 are correspondingly communicated with the upper water pipe 3 and the lower water pipe 4. Water distribution is the distribution of water in a certain working area according to a certain rule, most commonly, water is distributed uniformly on the working surface, and the device for completing the task is called a water distributor.
Referring to fig. 1 and 7 again, the front end of the water inlet main pipe 10 is connected with a filter 19 for purifying water quality, the filter 19, the sodium chloride container 1 and the two water softeners 2 are regularly installed on a skid-mounted device 20 to form a whole, the skid-mounted device 20 refers to a group of devices fixed on a base made of angle steel or I-steel and the like, then the devices can be moved integrally by using a skid bar and hoisting equipment, and after the factory is produced and debugged, the devices can be directly transported to a user for field installation, so that the device is fast and convenient, reduces the field installation difficulty, reduces the installation time and is beneficial to maintenance; the filter 19 is a precision filter, also called a cartridge filter, which is provided with a plurality of filter elements 24 made of different materials such as PP cotton, nylon or melt-blown, etc., and the precision filter is used for removing impurities, rust, silt and other fine particles in water, improving water quality, meeting the requirements of subsequent processes on water inlet and prolonging the service life of the whole water treatment equipment.
Referring to fig. 1-4 again, an electric valve 21 for controlling the on-off of liquid is installed on the two softened water outlet pipes 7, when one of the water softeners 2 works, the other water softener 2 is standby and does not work, and the electric valve 21 on the softened water outlet pipe 7 connected with the other water softener is closed; an electric valve 21 for controlling the on-off of liquid is arranged between the water production main pipe 11 and one end of the sewage discharge main pipe 12, when any water softener 2 just starts to work for a few minutes, because the water quality may not reach the standard, the electric valve 21 is firstly conducted to ensure that the liquid does not flow into the water storage tank, but is conducted with the sewage discharge main pipe 12 and is discharged through the sewage discharge main pipe 12, when the water quality reaches the standard or reaches the preset time, the electric valve 21 is closed and is not conducted with the sewage discharge main pipe 12, but flows into the water storage tank or the next working procedure; the water feeding pipes 3, the water discharging pipes 4, the water inlet pipes 6, the softened water outlet pipes 7, the waste water discharge pipes 8 and the water inlet end and the water outlet end of the filter 19 are all provided with control valves 22 for controlling the on-off of liquid, the control valves 22 can be manual ball valves or other suitable valve bodies, an auxiliary water pipe 23 with the control valves 22 is arranged between the water inlet end and the water outlet end of the filter 19 in parallel, when the ion exchange resin 18 in the water softener 2 is to be backwashed, the control valves 22 on the water inlet end of the filter 19 are firstly closed, then the control valves 22 on the auxiliary water pipe 23 are opened, so that the water flows into the water softener 2 through the auxiliary water pipe 23 for backwashing, and the service life of a filter element 24 in the filter 19 can be prolonged. The ion exchange resin 18 is a polymer and has corresponding functional groups, generally, the conventional sodium ion exchange resin 18 has a large amount of sodium ions, when the calcium and magnesium ions in water are high, the cation and anion exchange resin 18 can release the sodium ions, and the functional groups are combined with the calcium and magnesium ions, so that the calcium and magnesium ions in the water are reduced, the hardness of the water is reduced, hard water is changed into soft water, and the working process of the water softening equipment is realized. When a large number of functional groups on the resin are combined with calcium and magnesium ions, the softening capacity of the resin is reduced, a sodium chloride solution can flow through the resin, the content of the sodium ions in the solution is high, the functional groups can release the calcium and magnesium ions to be combined with the sodium ions, and thus the exchange capacity of the resin is recovered, and the process is called regeneration. The standard working flow of the water softener mainly comprises the processes of working water production, backwashing, salt absorption regeneration, slow flushing, fast flushing and the like, after resin of the water softener fails, backwashing is firstly carried out by using water from bottom to top before regeneration, and the backwashing aims are two.
The utility model discloses a water can be followed filter 19's the end of intaking and enter into in the filter 19, water after the filtration is through going out the water end, the income water is responsible for 10, one of them inlet tube 6, the multi-way valve 5, the water-supply pipe 3 enters into in one of them water softener 2, ion exchange resin 18 in the water softener 2 can fully adsorb aquatic calcium ion and magnesium ion, make water softening, then through downcomer 4, the multi-way valve 5, play demineralized water pipe 7 flows in and produces water and be responsible for 11, the demineralized water of preceding several minutes production, can be responsible for 12 discharges from the blowdown through motorised valve 21 after opening, can not flow into to the storage water tank, when quality of water up to standard or reach the preset time, motorised valve 21 closes and is responsible for 12 with the blowdown not to switch on, but flow into in the storage water tank of next process. After one of the water softeners 2 works for a period of time, a lot of dirt brought by raw water can be intercepted on the ion exchange resin 18, after the dirt is removed, the ion exchange resin 18 can be completely exposed, the regeneration effect can be ensured, the backwashing process is that water is washed in from the bottom of the resin and flows out from the top, so that the dirt intercepted from the top can be washed away, and in order to prevent the ion exchange resin 18 from being saturated and invalid in ion exchange, the sodium chloride solution is required to be periodically sucked from the sodium chloride container 1 into the water softener 2 for regeneration. When the device works, the control valve 22 at the water inlet end of the filter 19 is closed firstly, so that water flows from the auxiliary water pipe 23 to the water inlet main pipe 10, then sequentially enters the water softener 2 through one of the water inlet pipes 6, the multi-way valve 5 and the sewer pipe 4, water is sprayed upwards from the bottom through the water distributor 17 for backwashing, and then the water can be discharged from the sewage discharge main pipe 12 through the water inlet pipe 3, the multi-way valve 5 and the waste water discharge pipe 8; during regeneration, the sodium chloride solution can enter the water softener 2 through the sodium chloride solution conveying pipe 9, the multi-way valve 5 and the water feeding pipe 3. The utility model discloses a two water softeners 2, when one of them water softener 2 during operation, another water softener 2 is out of work, as reserve, when one of them water softener 2 will backwash or regeneration, another water softener 2 works to supply demineralized water that can be incessant, adopt two water softeners 2, a guarantee has been added, when avoiding one of them water softener 2 trouble, the unable work of entire system, water is produced in the influence, avoid causing inconvenience to user's work and life.
It should be noted that: in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it is to be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A water treatment device comprises a sodium chloride container for providing a sodium chloride solution, and at least two water softeners which work alternately and can adsorb calcium ions and magnesium ions in water, and is characterized in that: each water softener comprises an upper water pipe and a lower water pipe which can be communicated with a multi-way valve, and each multi-way valve is also connected with a water inlet pipe, a softened water outlet pipe and a waste water discharge pipe; each water softener is communicated with a sodium chloride container through a water feeding pipe, a multi-way valve and a sodium chloride solution conveying pipe; each water softener is communicated with the water inlet main pipe through a water feeding pipe, a multi-way valve and a water inlet pipe; each water softener is communicated with the water production main pipe through a sewer pipe, a multi-way valve and a softened water outlet pipe; each water softener can be communicated with a main sewage discharge pipe through a water feeding pipe, a multi-way valve and a waste water discharge pipe.
2. The water treatment apparatus as set forth in claim 1, wherein: the sodium chloride container comprises a shell, a solid sodium chloride placing part and a sodium chloride solution containing cavity, wherein the solid sodium chloride placing part is arranged in the shell and can be used for liquid to pass through, and the sodium chloride solution containing cavity is arranged in the shell at the lower end of the solid sodium chloride placing part.
3. The water treatment apparatus as set forth in claim 1, wherein: each water softener also comprises a tank body, water distributors arranged at the upper end and the lower end in the tank body and used for uniformly spraying liquid, and ion exchange resin arranged between the two water distributors and used for adsorbing calcium ions and magnesium ions in water, wherein the two water distributors are correspondingly communicated with the upper water pipe and the lower water pipe.
4. A water treatment apparatus as claimed in any one of claims 1 to 3, wherein: the front end of the water inlet main pipe is connected with a filter for purifying water quality, and the filter, the sodium chloride container and each water softener are regularly arranged on the prying device to form a whole.
5. The water treatment apparatus as set forth in claim 4, wherein: an electric valve for controlling the on-off of the liquid is arranged on each softened water outlet pipe and between one end of the water production main pipe and one end of the sewage discharge main pipe.
6. The water treatment apparatus as set forth in claim 5, wherein: control valves for controlling the on-off of liquid are arranged on the water inlet pipes, the water outlet pipes, the water inlet pipes, the softened water outlet pipes and the waste water discharge pipes as well as the water inlet end and the water outlet end of the filter.
7. The water treatment apparatus as set forth in claim 6, wherein: an auxiliary water pipe with a control valve is arranged in parallel between the water inlet end and the water outlet end of the filter.
8. The water treatment apparatus as set forth in claim 4, wherein: a plurality of PP cotton filter elements are arranged in the filter.
9. The water treatment apparatus as set forth in claim 1, wherein: the water softener is two and is oppositely arranged on two sides of the sodium chloride container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642299.2U CN215048889U (en) | 2021-07-20 | 2021-07-20 | Water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642299.2U CN215048889U (en) | 2021-07-20 | 2021-07-20 | Water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048889U true CN215048889U (en) | 2021-12-07 |
Family
ID=79222020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121642299.2U Active CN215048889U (en) | 2021-07-20 | 2021-07-20 | Water treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048889U (en) |
-
2021
- 2021-07-20 CN CN202121642299.2U patent/CN215048889U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231027 Address after: Room 422-2, 4th Floor, Building 22, Shunlian Machinery City, No. 18 Xingye Fourth Road, Guanglong Industrial Park, Chihua Community, Chencun Town, Shunde District, Foshan City, Guangdong Province, 528300 (Residence Application) Patentee after: Anlode (Foshan) Environmental Protection Technology Co.,Ltd. Address before: 510000 self compiled a6-36 on the first floor, No. 2-238, Yan'an Second Street, Nanzhou North Road, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou lejing environmental protection equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |