CN2823244Y - Water treatment device - Google Patents
Water treatment device Download PDFInfo
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- CN2823244Y CN2823244Y CN 200520086425 CN200520086425U CN2823244Y CN 2823244 Y CN2823244 Y CN 2823244Y CN 200520086425 CN200520086425 CN 200520086425 CN 200520086425 U CN200520086425 U CN 200520086425U CN 2823244 Y CN2823244 Y CN 2823244Y
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Abstract
The utility model provides novel water treatment equipment which comprises columnar filter unit groups and a control device controlling water current distribution, wherein each columnar filter unit group comprises two columnar filters, the control device comprises a front control valve and a rear control valve, each control valve comprises a valve casing and a valve core, and the valve core is arranged in a valve casing; the valve casing of each control valve is provided with a water inlet hole and a water outlet hole which can be connected with an upper pipeline and a lower pipeline of the columnar filter and are opposite, the valve casing of the upper valve is provided with a main water inlet hole, and the valve casing of the lower valve is provided with a main water outlet hole; a lower bottom cover of the valve casing of the upper valve is provided with a blowdown hole, and the lower bottom cover of the valve casing of the lower casing is provided with a backwash hole; a water chamber communicated with the main water inlet hole is arranged in the valve casing of the upper part of the valve core of the upper valve, and a water chamber communicated with a main water outlet pipe is arranged in the valve casing of the upper part of the valve core of the lower valve. The equipment has work states of water production, backwash, positive wash, etc., the utility model still can produce water when the positive wash or the backwash is carried out, and the water production efficiency is improved; meanwhile, as the positive wash process is added, the water production quantity is improved.
Description
Technical field
The utility model relates to a kind of water treating equipment.
Background technology
Existing pillar water treating equipment as mechanical type filter, deoxygenator etc., have working ordeies such as the water of producing and backwash in the course of the work, and the conversion between the state is finished by control valve.The patent No. is 00215874.4 utility model patent, at the water treating equipment described in the specification sheets of its announcement, though also have working ordeies such as the water of producing and backwash in a work period, producing water and backwash can not carry out simultaneously, just can not produce water under the working order of backwash, in that just produce under the working order of water can not backwash, product water efficient is reduced greatly, and just do not washing technology, even therefore through after the backwash, the quality of producing water neither be very high, and water-quality ratio is relatively poor.
The utility model content
Technical problem to be solved in the utility model provides a kind of novel water treating equipment, this water treating equipment not only have and produce water, backwash, just working order such as wash, and just washing or during backwash, still can produce water, improved product water efficient, just wash technology owing to having increased simultaneously, improved the product quality.
The utility model provides a kind of novel water treating equipment, it has comprised pillar filter unit group, and the control device of control current distribution, each pillar filter unit group comprises two pillar strainers, described control device comprises preceding control valve (deserving to be called valve down) and back control valve (calling down valve in the following text), control valve comprises valve casing and spool, and spool is arranged on valve casing inside; Having on the valve casing of described each control valve can that connect, relative two paddle hole with the last lower pipeline of pillar strainer, has main prosopyle on the valve casing of last valve, has main posticum on the following valve valve casing; Have mudhole on the lower bottom cover of last valve valve casing, have the backwash hole on the lower bottom cover of following valve valve casing; In the valve casing on last valve core top the hydroecium that is communicated with main prosopyle is arranged, the hydroecium that is communicated with primary flow pipe is arranged in the valve casing on the top of following valve core; Spool adopts following structure:
1) going up the valve core profile is cylindrical or inverted truncated cone-shaped, has 6 chamfered grooves on spool, and wherein 5 is trapezoidal chamfered groove, and 1 is trough with straight angle; The upper shed of each trapezoidal chamfered groove communicates with hydroecium, the side opening that is positioned on the spool sidewall selectively communicates with corresponding paddle hole on the valve casing, the lower opening of 1 trough with straight angle communicates with mudhole on the valve casing lower bottom cover, and the side opening that is positioned on the spool sidewall selectively communicates with corresponding paddle hole on the valve casing.
2) the valve core profile is cylindrical or inverted truncated cone-shaped down, has 6 chamfered grooves on spool, and wherein adjacent 4 is trapezoidal chamfered groove, and 2 is trough with straight angle in addition; The upper shed of each trapezoidal chamfered groove communicates with hydroecium, the side opening that is positioned on the sidewall selectively communicates with corresponding paddle hole on the valve casing, the lower opening of each trough with straight angle communicates with backwash hole on the valve casing lower bottom cover, and the side opening that is positioned on the sidewall selectively communicates with corresponding paddle hole on the valve casing.
Above-mentioned 6 chamfered grooves of valve core of going up are along circumferentially being evenly distributed on the spool.
6 chamfered grooves of above-mentioned valve core down are along circumferentially being evenly distributed on the spool.
The cross section of above-mentioned trapezoidal chamfered groove is approximately trapezoidal.
The vertical section of above-mentioned trough with straight angle is a square.
The above-mentioned mudhole of going up valve is communicated with blow-off pipe, and the backwash hole of following valve is communicated with the backwash pipe.
On above-mentioned backwash pipe, be furnished with 1 threeway, be furnished with 1 threeway on the blow-off pipe, be communicated with by pipe connecting between two threeways, be furnished with magnetic valve on the pipe connecting.
These novel water treating equipment, owing to adopt above-mentioned control valve, when carrying out water treatment, equipment can have continuous product water, backwash and technology such as just wash, solve former water treating equipment and can not produce water continuously, produced the inefficient problem of water, just washed technology owing to having increased simultaneously, impurity in the pillar strainer is significantly reduced, improved the product quality.
Description of drawings
Accompanying drawing 2 is the structural representation of A-A section among Fig. 1;
Accompanying drawing 3 is a valve arrangement synoptic diagram down described in the utility model;
Accompanying drawing 4 is the structural representation of B-B section among Fig. 3;
Flow direction synoptic diagram when accompanying drawing 5 is positioned at station 1 for control valve spool described in the utility model;
Flow direction synoptic diagram when accompanying drawing 6 is positioned at station 2 for control valve spool described in the utility model;
Flow direction synoptic diagram when accompanying drawing 7 is positioned at station 3 for control valve spool described in the utility model;
Flow direction synoptic diagram when accompanying drawing 8 is positioned at station 4 for control valve spool described in the utility model;
Flow direction synoptic diagram when accompanying drawing 9 is positioned at station 5 for control valve spool described in the utility model;
Flow direction synoptic diagram when accompanying drawing 10 is positioned at station 6 for control valve spool described in the utility model;
Embodiment
Water treating equipment described in the utility model, comprise the pillar strainer 2 and 2 that carries out water treatment ', and be used to control the control device that current distribute; Control device comprise valve 1 and following valve 1 '; Last valve 1 is made up of valve casing 11 and spool 12, shown in accompanying drawing 1,2, the bottom of last valve valve casing 11 have respectively with pillar strainer 2 and 2 ' upper pipeline be communicated with, relative two paddle holes 111 and 112, as shown in Figure 5, inverted truncated cone-shaped spool 12 is arranged on the inner bottom part of valve casing 11, in the valve casing 11 on spool 12 tops, hydroecium 3 is arranged, on valve casing 11, have the main prosopyle 113 that is communicated with hydroecium 3, have mudhole 114 on valve casing 11 lower bottom covers, mudhole 114 is communicated with blow-off pipe 1141; Spool 12 upper edges circumferentially have 6 chamfered groove A, B, C, D, E, F uniformly, wherein 5 chamfered groove A, B, C, D, E are trapezoidal chamfered groove, the upper shed of each trapezoidal chamfered groove is communicated with hydroecium 3, the side opening that is positioned on the spool sidewall selectively is communicated with hole 111 or 112 on the valve casing 11, another chamfered groove F is a trough with straight angle, the lower opening of trough with straight angle F is communicated with mudhole 114 on valve casing 11 lower bottom covers, and the side opening that is positioned on the spool sidewall selectively is communicated with hole 111 or 112 on the valve casing 11; The upper shed that trapezoidal chamfered groove communicates with hydroecium is approximately trapezoidal, so be referred to as trapezoidal chamfered groove, it is rectangular that trough with straight angle is positioned at the tank of spool, so be referred to as trough with straight angle, place, axle center at spool 12 upper surfaces has keyway 121, and corresponding keyway 121 places have through hole 115 on the upper top cover of valve casing 11, are provided with transmission shaft in the through hole 115, the end of transmission shaft is provided with key, and transmission shaft makes spool 12 connect with electric motor by keyway and cooperating of key.
Following valve 1 ' by valve casing 11 ' and spool 12 ' form, shown in accompanying drawing 3,4, following valve valve casing 11 ' the bottom have respectively with pillar strainer 2 and 2 ' lower pipeline two paddle holes 111 that be communicated with, relative ' and 112 ', as shown in Figure 5, inverted truncated cone-shaped spool 12 ' be arranged on valve casing 11 ' inner bottom part, the valve casing 11 on spool 12 ' top ' in have hydroecium 3 ', valve casing 11 ' on have with the main posticum 113 of hydroecium 3 ' be communicated with ', have on valve casing 11 ' lower bottom cover backwash hole 114 ', backwash hole 114 ' with backwash pipe 1141 ' be communicated with; Spool 12 ' upper edge circumferentially has 6 chamfered groove a, b, c, d, e, f uniformly, wherein adjacent 4 chamfered groove a, b, c, d are trapezoidal chamfered groove, the upper shed of each trapezoidal chamfered groove and hydroecium 3 ' be communicated with, be positioned on the spool sidewall side opening selectively with valve casing 11 ' on paddle hole 111 ' or 112 ' be communicated with, another chamfered groove e, f are trough with straight angle, backwash hole 114 on the lower opening of trough with straight angle e, f and the valve casing 11 ' lower bottom cover ' be communicated with, be positioned on the spool sidewall side opening selectively with valve casing 11 ' on paddle hole 111 ' or 112 ' be communicated with; The upper shed that trapezoidal chamfered groove communicates with hydroecium is approximately trapezoidal, so be referred to as trapezoidal chamfered groove, it is rectangular that trough with straight angle is positioned at the tank of spool, so be referred to as trough with straight angle, have at place, the axle center of spool 12 ' upper surface keyway 121 ', valve casing 11 ' upper top cover on corresponding keyway 121 ' locate to have through hole 115 ', through hole 115 ' in be provided with transmission shaft, the end of transmission shaft is provided with key, and transmission shaft is by making keyway and cooperating of key spool 12 ' connect with electric motor.
Backwash pipe 1141 ' on be furnished with magnetic valve 4 ', magnetic valve 4 ' and backwash hole 114 ' between backwash pipe 1141 ' on be provided with 1 threeway; Be provided with 1 threeway on blow-off pipe 1141, connect by pipe connecting 5 between two threeways, pipe connecting 5 is provided with magnetic valve 4.
In conjunction with the accompanying drawings 6 stations of these novel water treating equipment are described further again below:
Produce water-product water conservancy project position: as shown in Figure 5, when each perforate of last valve core and following valve core is in as shown in Figure 5 position, pending water enters in the hydroecium 3 of valve from main prosopyle 113, this moment hydroecium 3 with the trapezoidal chamfered groove A of last valve core, B, C, D, the upper shed of E is communicated with, but because of chamfered groove B, C, the side opening of E is blocked by the valve casing inwall, so a current part flows into spool from the upper shed of chamfered groove A, side opening by chamfered groove A enters in the pillar strainer 2 through paddle hole 111 then, after current are handled in the pillar strainer, through following valve 1 ' paddle hole 111 ' and following valve core 12 ' go up chamfered groove a enter hydroecium 3 ' in, process main posticum 113 ' discharge then; Another part current in the hydroecium 3 flow in the spool 12 from the upper shed of chamfered groove D hole, then the side opening by chamfered groove D through paddle hole 112 enter pillar strainer 2 ' in, after current are handled in the pillar strainer, through following valve 1 ' paddle hole 112 ' and following valve core 12 ' on chamfered groove d enter hydroecium 3 ' in, then through main posticum 113 ' discharge.This moment magnetic valve 4 and 4 ' all be in closing condition.Last valve core and following valve core when this station, pillar strainer 2 and 2 ' all be in product water state.
Backwash-product water conservancy project position: as shown in Figure 6, last valve core and following valve core all are rotated counterclockwise 60 ° from above-mentioned product water-product water conservancy project bit position by motor drives, valve core 12 and following valve core 12 on this moment ' each perforate be in as shown in Figure 6 position, pending water enters in the hydroecium 3 of valve from main prosopyle 113, this moment hydroecium 3 with the chamfered groove A of last valve core, B, C, D, the upper shed in E hole is communicated with, but because of chamfered groove A, B, E, the side opening of D is blocked by the valve casing inwall, have only the side opening of chamfered groove C to be connected with paddle hole 112, so current can only flow into spool from the upper shed of chamfered groove C, from the side opening of chamfered groove C flow out after paddle hole 112 flow into pillar strainers 2 ' in, current pillar strainer 2 ' in handle, this is side opening and the paddle hole 112 of the chamfered groove c on the valve core ' be communicated with at present, the paddle hole 112 so after treatment current are flowed through ' and chamfered groove c enter hydroecium 3 ' in, again by main posticum 113 ' with the water discharge, the function of water is produced in realization; Meanwhile, magnetic valve 4 ' open, magnetic valve 4 cuts out, backwash water from backwash pipe 1141 ' inflow backwash hole 114 ' in, this is lower opening and the backwash hole 114 of the chamfered groove f on the valve core ' be communicated with at present, the side opening in f hole and paddle hole 111 ' be connected, so current are in chamfered groove f flows into pillar strainer 2, araeosystyle strainer 2 carries out backwash, and after the backwash, current flow in the paddle hole 111 from pillar strainer 2, the side opening of valve core chamfered groove F is communicated with hole 1111 on this moment, the lower opening of chamfered groove F is connected with mudhole 114, so current are flowed through mudhole 114 after blow-off pipe 1141 is discharged from chamfered groove F, reaches the purpose of backwash.Last valve core and following valve core when this station, pillar strainer 2 places and backwash state, pillar strainer 2 ' be in product water state.
Just wash-produce the water conservancy project position: as shown in Figure 7, last valve core and following valve core all are rotated counterclockwise 60 ° from above-mentioned backwash-product water conservancy project bit position by motor drives, on this moment on the valve core upper shed of chamfered groove E and chamfered groove B be communicated with hydroecium 3, the side opening of chamfered groove E is communicated with paddle hole 111, the side opening of chamfered groove B is communicated with paddle hole 112, the side opening sealing of all the other chamfered grooves; The side opening of chamfered groove b and paddle hole 112 on the following valve core ' be communicated with, the upper shed of chamfered groove b and hydroecium 3 ' be communicated with, the side opening of chamfered groove e and paddle hole 111 ' be communicated with, the lower opening of chamfered groove e and backwash hole 114 ' be communicated with all the other chamfered grooves sealings; After current enter hydroecium 3 from main water inlet tube 113, part water is flowed through by the chamfered groove E on the last valve core and is entered in the pillar strainer 2 behind the paddle hole 111, araeosystyle strainer 2 is just being washed, arrival paddle hole 111 after current after just washing flow out from pillar strainer 2 ', then by the lower opening of chamfered groove e flow through backwash hole 114 ' after enter in the pipe connecting 5, this moment magnetic valve 4 ' close, magnetic valve 4 is open-minded, so current flow into blowdown 1141 pipes by pipe connecting 5 and discharge, and finish the function that araeosystyle strainer 2 is just being washed; The chamfered groove B of another part water in the hydroecium 3 by last valve core flow through enter behind the paddle hole 112 pillar strainer 2 ' in, handle the back current from pillar strainer 2 ' outflow, flow through paddle hole 112 ' and the chamfered groove b of following valve core enter down valve hydroecium 3 ' in, by main posticum 113 ' discharge, realize producing the function of water then.When last valve core and following valve core were in this station, pillar strainer 2 was in the state of just washing, pillar strainer 2 ' be in product water state.
Produce water-product water conservancy project position: as shown in Figure 8, last valve core and following valve core are just washed-are produced the water conservancy project bit position and all be rotated counterclockwise 60 ° by motor drives from above-mentioned, on this moment on the valve core upper shed of chamfered groove A and chamfered groove D be communicated with hydroecium 3, the side opening of chamfered groove A is communicated with paddle hole 112, the side opening of chamfered groove D is communicated with paddle hole 111, the side opening sealing of all the other chamfered grooves; The upper shed of following valve core chamfered groove a and chamfered groove d and hydroecium 3 ' be communicated with, the side opening of chamfered groove a and paddle hole 112 ' be communicated with, the side opening of chamfered groove d and paddle hole 111 ' be communicated with the side opening sealing of all the other chamfered grooves; Current enter in the hydroecium 3 from main water inlet tube 113, part water along the chamfered groove A on the last valve core flow through paddle hole 112 on the valve casing enter pillar strainer 2 ' in, flow to down after handling paddle hole 112 on the valve valve casing ', the hydroecium 3 of valve under chamfered groove a under the warp on the valve core flows into ' in, by main posticum 113 ' discharge, realize the function of pillar strainer 2 ' product water then; Another part water in the last valve hydroecium 3 enters in the pillar strainer 2 after the chamfered groove D on the last valve core flows through paddle hole 111 on the valve casing, after current are handled in pillar strainer 2, flow to down paddle hole 111 on the valve valve casing ', the hydroecium 3 of valve under the chamfered groove d of valve core flows under the process again ' in, by primary flow pipe 113 ' discharge, realize the function that pillar strainer 2 produces water then.When last valve core and following valve core are in this station, pillar strainer 2 and 2 ' all be in product water state.
Produce water-backwash station: as shown in Figure 9, last valve core and following valve core all are rotated counterclockwise 60 ° from accompanying drawing 8 described product water-product water conservancy project bit positions by motor drives, on this moment on the valve core side opening of chamfered groove C be communicated with paddle hole 111, the side opening of chamfered groove F is communicated with paddle hole 112, the side opening sealing of all the other chamfered grooves, the upper shed of chamfered groove C communicates with hydroecium 3, and the lower opening of chamfered groove F communicates with mudhole 114; The side opening of chamfered groove f and paddle hole 112 on the following valve core ' be communicated with, the side opening of chamfered groove c and paddle hole 111 ' communicate, the sealing of the side opening of all the other chamfered grooves, the lower opening of chamfered groove f and backwash hole 114 ' communicate, the upper shed of chamfered groove c and following valve hydroecium 3 ' be communicated with; Current enter in the hydroecium 3 from main prosopyle 11, can only enter in the pillar strainer 2 by the chamfered groove C paddle hole 111 of flowing through, after treatment from pillar strainer 2 flow to down paddle hole 111 on the valve valve casing ', then through the chamfered groove c on the following valve core flow into hydroecium 3 ' in, by primary flow pipe 113 ' discharge, realize the function that pillar strainer 2 produces water again; Meanwhile, magnetic valve 4 ' open, magnetic valve 4 is in closing condition, backwash water from backwash pipe 1141 ' enter backwash hole 114 ', then the paddle hole 112 of the chamfered groove f by following valve core on valve casing ' enter pillar strainer 2 ' in, araeosystyle strainer 2 ' carry out backwash, after the backwash, current are from pillar strainer 2 ' outflow, paddle hole 112 on flowing through on the valve valve casing and the chamfered groove F on the spool, flow to blow-off pipe 1141 through the mudhole 114 on the valve casing lower bottom cover again and discharge, realize araeosystyle strainer 2 ' the carry out function of backwash.Last valve core and following valve core are when this station, and pillar strainer 2 is in the product water state, pillar strainer 2 ' be in backwash state.
Produce water-just washing station: as shown in Figure 10, last valve core and following valve core all are rotated counterclockwise 60 ° from the position of above-mentioned product water-backwash station by motor drives, arrive this station, on this moment on the valve core side opening of chamfered groove B and chamfered groove E be communicated with the side opening sealing of all the other chamfered grooves with paddle hole 111 and 112 on the valve casing respectively; On the following valve core side opening of chamfered groove b and chamfered groove e respectively with the paddle hole 111 of following valve valve casing ' and 112 ' be communicated with, the side opening sealing of all the other chamfered grooves, backwash hole 114 on the upper shed of chamfered groove b and the hydroecium 3 ' communicate, the lower opening of chamfered groove e and valve casing lower bottom cover ' communicate; After current enter in the hydroecium 3 from main prosopyle 113, part water chamfered groove B from the spool paddle hole 111 of flowing through enters in the pillar strainer 2, handling the back flows out from pillar strainer 2, flow through down paddle hole 111 on the valve valve casing ' and spool on chamfered groove b enter hydroecium 3 ' in, by main posticum 113 ' discharge, realize the product water function of pillar strainer 2 then; Another part water in the hydroecium 3 from the paddle hole 112 of chamfered groove E on valve casing of last valve core enter pillar strainer 2 ' in, araeosystyle strainer 2 ' just wash, after just washing, current are from pillar strainer 2 ' outflow, through the paddle hole 112 on the following valve valve casing ' and spool on chamfered groove e flow to backwash hole 114 ', magnetic valve 4 unlatchings this moment, magnetic valve 4 ' close, current enter pipe connecting 5 then, enter blow-off pipe 1141 back along pipe connecting 5 and discharge, realize araeosystyle strainer 2 ' just wash function.Last valve core and following valve core are when this station, and pillar strainer 2 is in the product water state, pillar strainer 2 ' the be in state of just washing.
Above-mentioned 6 stations just in time make valve core and following valve core rotate a week, finished a work period, when last valve core and following valve core when above-mentioned product water-just washing station is rotated counterclockwise 60 ° again, will arrive the product water shown in the accompanying drawing 5-product water conservancy project position, begin a work period again.
Claims (7)
1, a kind of novel water treating equipment, it has comprised pillar filter unit group, and the control device of control current trend, each pillar filter unit group comprises two pillar strainers, described control device comprises preceding control valve (deserving to be called valve down) and back control valve (calling down valve in the following text), control valve comprises valve casing and spool, and spool is arranged on valve casing inside; Having on the valve casing of described each control valve can that connect, relative two paddle hole with the last lower pipeline of pillar strainer, has main prosopyle on the valve casing of last valve, has main posticum on the following valve valve casing; Have mudhole on the lower bottom cover of last valve valve casing, have the backwash hole on the lower bottom cover of following valve valve casing; The hydroecium that is communicated with main water inlet tube is arranged at the top of last valve core, and the hydroecium that is communicated with primary flow pipe is arranged at the top of following valve core; It is characterized in that:
1) going up the valve core profile is inverted truncated cone-shaped, on the sidewall of spool, have 6 chamfered grooves, wherein the upper shed of 5 trapezoidal chamfered grooves communicates with hydroecium, and side opening optionally communicates with paddle hole on the valve casing, and the lower opening of 1 trough with straight angle communicates with mudhole on the valve casing lower bottom cover.
2) the valve core profile is inverted truncated cone-shaped down, on the sidewall of spool, have 6 chamfered grooves, the upper shed of wherein adjacent 4 trapezoidal chamfered grooves communicates with hydroecium, and side opening optionally communicates with paddle hole on the valve casing, and the backwash hole on 2 trough with straight angle valve casing lower bottom covers communicates in addition.
2, novel water treating equipment according to claim 1 is characterized in that: described 6 chamfered grooves going up valve core are evenly distributed on the spool.
3, novel water treating equipment according to claim 1 is characterized in that: described 6 chamfered grooves of valve core down are evenly distributed on the spool.
4, novel water treating equipment according to claim 1, it is characterized in that: the cross section of described trapezoidal chamfered groove is approximately trapezoidal.
5, novel water treating equipment according to claim 1 is characterized in that: the vertical section of described trough with straight angle is a square.
6, novel water treating equipment according to claim 1 is characterized in that: the described mudhole of going up valve is communicated with blow-off pipe, and the backwash hole of following valve is communicated with the backwash pipe.
7, novel water treating equipment according to claim 6 is characterized in that: be furnished with 1 threeway on above-mentioned backwash pipe, be furnished with 1 threeway on the blow-off pipe, be communicated with by pipe connecting between two threeways, be furnished with magnetic valve on the pipe connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086425 CN2823244Y (en) | 2005-08-19 | 2005-08-19 | Water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086425 CN2823244Y (en) | 2005-08-19 | 2005-08-19 | Water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823244Y true CN2823244Y (en) | 2006-10-04 |
Family
ID=37032358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520086425 Expired - Fee Related CN2823244Y (en) | 2005-08-19 | 2005-08-19 | Water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823244Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402125C (en) * | 2005-08-19 | 2008-07-16 | 范义河 | Water treatment equipment |
-
2005
- 2005-08-19 CN CN 200520086425 patent/CN2823244Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402125C (en) * | 2005-08-19 | 2008-07-16 | 范义河 | Water treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20090819 |