CN202122857U - Device for removing suspended matters in water - Google Patents
Device for removing suspended matters in water Download PDFInfo
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- CN202122857U CN202122857U CN2011202050168U CN201120205016U CN202122857U CN 202122857 U CN202122857 U CN 202122857U CN 2011202050168 U CN2011202050168 U CN 2011202050168U CN 201120205016 U CN201120205016 U CN 201120205016U CN 202122857 U CN202122857 U CN 202122857U
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Abstract
The utility model provides a device for removing suspended matters in water. The device comprises a closed shell body, wherein a cavity is arranged at the inner part of the closed shell body, a water inlet pipe and a water discharging pipe are arranged on the shell body, a separating plate in the cavity is used for dividing the cavity into a coagulating cavity and a slope precipitation cavity, a first separating plate is arranged in the coagulating cavity and is used for dividing the coagulating cavity into a coagulating area and a flocculating area, the coagulating area is communicated with the flocculating area through a water inlet at the top of the first separating plate, a flow-disturbing device is arranged in the coagulating area, the coagulating area below the flow-disturbing device is communicated with the water inlet pipe, an opening is arranged at the bottom of the separating plate and is used for communicating the coagulating area and the slope precipitation cavity, a water collecting tank is arranged on a side wall of the slope precipitation cavity and is communicated with the water discharging pipe, a sludge hopper is arranged at the bottom of the slope precipitation cavity, and a sludge discharging pipe is arranged at the bottom of the sludge hopper. The device for removing the suspended matters in water provided by the utility model can be used for effectively removing the suspended manners in the water and has the advantages of compact structure, high volume processing capacity and saving cost for the purification and recycling of mine water.
Description
Technical field
The utility model relates to the reuse of wastewater technology, relates in particular to a kind of device of removing suspension in the water.
Background technology
Draining dustproof during underground water burst that in process of coal mining, produces and digging are produced, cooling device compiles for mine water is unified discharges.Mine water is the waste water that contains excessive suspensions such as dust and rock dirt, needs just to can be used as production, life and ecological water through after the wastewater treatment (promptly removing the suspension in the water).
In the prior art; The method of removing suspension in the mine water is; In surface construction sewage treatment plant; In the mining area, build simultaneously the flow pipe road, mine water is transported to sewage treatment plant, in sewage treatment plant, be delivered to the mining area as down-hole or aboveground industrial water via water return pipeline again through coagulation, deposition, filtering technique purifying waste water after to the mine water purified treatment through these flow pipe roads.
Must rely on the transfer pipeline that water and backwater are sent in perfect being used to owing to this in the prior art to suspended substance removal method in the mine water; And transfer pipeline is longer; Thereby improved the difficulty that transfer pipeline is safeguarded greatly, increased the cost of removing suspension in the mine water; In addition, the inner various pipelines in mining area are complicated and changeable, and the existence of many one type of pipelines has also increased hidden danger for Safety of Coal Mine Production with regard to the bull point unsafe factor.
The utility model content
The utility model provides a kind of device of removing suspension in the water, in order to solve defective in the prior art, is implemented in the scene, mining area mine water is carried out the suspended substance removal processing, and the water after the processing directly can be used for the mining area and produces use.
The utility model provides a kind of device of removing suspension in the water, comprising: a horizontally disposed inside has the closure casing of cavity, and is respectively arranged with the water inlet pipe and the drainpipe that is used for water is discharged that is used in said housing, adding water on the said housing; Vertically disposed dividing plate is separated into a coagulation chamber with said cavity and is used for precipitating the sloping plate deposition chamber of the suspension of said water in the said cavity; Vertical fixing is provided with first demarcation strip in the said coagulation chamber; Said first demarcation strip is divided into coagulation district and flocculation zone with said coagulation chamber; And said coagulation district and said flocculation zone are connected through the water inlet at the first demarcation strip top; Said coagulation is provided with the disturbing flow device that is used for abundant mixing water and coagulated agent in the district, and the coagulation district of said disturbing flow device below is connected with said water inlet pipe; The bottom of said dividing plate is provided with the opening that is used to be communicated with said flocculation zone and said sloping plate deposition chamber; The sidewall in said sloping plate deposition chamber is provided with the water leg that is used to collect the clear water after precipitation reaction; And said water leg is connected with said drainpipe; The bottom in said sloping plate deposition chamber is provided with the sludge bucket of the deposition bed mud that is used to collect after precipitation reaction, and the bottom of said sludge bucket is provided with and is used for said deposition bed mud is discharged to the outer discharge pipeline of said housing.
The device of suspension in the aforesaid removal water; Wherein, Said disturbing flow device comprises top board and the base plate on the sidewall that is fixedly connected on said coagulation district, and the interior burbling ball of the cavity that sidewall surrounded that is arranged on said top board, said base plate and said coagulation district.
The device of suspension in the aforesaid removal water; Wherein, Vertical fixing is provided with second demarcation strip and the 3rd demarcation strip in said flocculation zone, forms one section flocculation zone between said second demarcation strip and said first demarcation strip, forms two sections flocculation zones between said second demarcation strip and said the 3rd demarcation strip; Form three sections flocculation zones between the sidewall of said the 3rd demarcation strip and said housing; Said one section flocculation zone is connected with the bottom of said two sections flocculation zones, and said two sections flocculation zones are connected with the top of said three sections flocculation zones, and said three sections flocculation zones are connected with said sloping plate deposition chamber through the said opening of said dividing plate bottom; Be vertically installed with a plurality of parallel and incorgruous each other flaps in said one section flocculation zone, be vertically installed with a plurality of parallel and in the same way flaps each other in said two sections flocculation zones, said three sections flocculation zones are vertically installed with a plurality of parallel straight plates.
The device of suspension in the aforesaid removal water, wherein, said sloping plate deposition chamber is the heterotropic flow precipitation inclined plate precipitation reaction chamber that is provided with a plurality of incorgruous stream swash plates.
The device of suspension in the aforesaid removal water, wherein, in said one section flocculation zone between said incorgruous flap maximum spacing be 25mm, minimum spacing is 50mm; Spacing in said two sections flocculation zones between the said flap in the same way is 50mm; Spacing in said three sections flocculation zones between the said straight plate is 100mm.
The device of suspension in the aforesaid removal water, wherein, the swash plate of said incorgruous stream swash plate is long to be 1m, the angle of said incorgruous stream swash plate and horizontal plane is between 55 °～60 °.
The device of suspension in the aforesaid removal water, wherein, said sloping plate deposition chamber is two, is separately positioned on the both sides in said coagulation chamber.
The device of suspension in the aforesaid removal water; Wherein, Said drainpipe is one; The top in said coagulation district is provided with and is used to be communicated with the drainage channel that is arranged at two said water legs in the said sloping plate deposition chamber respectively, and said drainpipe is arranged on the sidewall of said housing, and with said two water legs in the water leg that closes on be connected.
The device of suspension in the aforesaid removal water wherein, is connected with pipe-line mixer on the said water inlet pipe.
The device of suspension in the removal water that the utility model provides; Through mine water being carried out removed the suspension in the mine water effectively after coagulation, the precipitation reaction; Water quality after treatment can satisfy the requirement of mining area industrial water fully, has realized the regeneration to sewage; And; This apparatus structure is compact, the volume disposal ability is big, it is little to take up an area of; Need not to be delivered to sewage treatment plant through transfer pipeline again; Save required expensive of transfer pipeline construction and long-time maintenance, also eliminated and increase the incidental potential safety hazard of pipeline, improved suspended substance removal is handled in the mine water economy, security.
Description of drawings
Fig. 1 is the vertical view that the utility model is removed device one embodiment of suspension in the water.
Fig. 2 be among Fig. 1 A-A to cutaway view.
Fig. 3 be among Fig. 1 B-B to cutaway view.
Fig. 4 be among Fig. 1 C-C to cutaway view.
Reference numeral:
The specific embodiment
Further specify the technical scheme of the utility model embodiment below in conjunction with accompanying drawing and specific embodiment.
Fig. 1 is the vertical view that the utility model is removed device one embodiment of suspension in the water.Fig. 2 be among Fig. 1 A-A to cutaway view.Fig. 3 be among Fig. 1 B-B to cutaway view.Fig. 4 be among Fig. 1 C-C to cutaway view.Please with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; The device of suspension comprises in the removal water that present embodiment provides: a horizontally disposed inside has the closure casing 1 of cavity, and is respectively arranged with the water inlet pipe 101 and the drainpipe 102 that is used for water is discharged that is used in housing 1, adding water on the housing 1; Vertically disposed dividing plate 23 is separated into a coagulation chamber 3 with cavity and is used for precipitating the sloping plate deposition chamber 2 of the suspension of water in the cavity; Vertical fixing is provided with first demarcation strip 201 in the coagulation chamber 3; First demarcation strip 201 is divided into coagulation district 31 and flocculation zone 32 with coagulation chamber 3; And coagulation district 31 is connected with the water inlet 204 of flocculation zone 32 through first demarcation strip, 201 tops; Be provided with the disturbing flow device 311 that is used for abundant coagulation water and coagulated agent in the coagulation district 31, the coagulation district 31 of disturbing flow device 311 belows is connected with water inlet pipe 101; The bottom of dividing plate 23 is provided with the opening 231 that is used to be communicated with flocculation zone 32 and sloping plate deposition chamber 2; The sidewall in sloping plate deposition chamber 2 is provided with the water leg 21 that is used to collect the clear water after precipitation reaction; And water leg 21 is connected with drainpipe 102; The bottom in sloping plate deposition chamber 2 is provided with the sludge bucket 211 of the deposition bed mud that is used to collect after precipitation reaction, and the bottom of sludge bucket 211 is provided with and is used for the deposition bed mud is discharged to the outer discharge pipeline 212 of housing 1.
Particularly; Housing 1 can be a thin-walled cube; Its inner cavity can be separated into a coagulation chamber 3 and a sloping plate deposition chamber 2 by the dividing plate 23 that is provided with perpendicular to the bottom surface of housing 1; Perhaps also can by two dividing plates 23 that all are provided with perpendicular to the bottom surface of housing 1 be separated into be positioned in the middle of coagulation chamber 3 and be positioned at the sloping plate deposition chamber 2 on 3 both sides, coagulation chamber, is that example specifies with a sloping plate deposition chamber 2 earlier in the present embodiment.Coagulation chamber 3 is separated into coagulation district 31 and flocculation zone 32 by first demarcation strip 201 that is vertically installed in it; The swash plate of the medium position through being fixedly attached to sloping plate deposition chamber 2 sidewalls in the sloping plate deposition chamber 2 precipitates suspension in the water (specifically adopt same flow oblique board sedimentation or incorgruous flow inclined plate sedimentation all can), and the bottom in the coagulation district 31 then opening 231 of the bottom through dividing plate 23 is connected with sloping plate deposition chamber 2; Disturbing flow device 311 in the coagulation district 31 can be fixedly connected with the middle part of the sidewall in coagulation district 31; Water inlet pipe 101 can be arranged on the sidewall (side of housing 1) in coagulation district 31 of below of disturbing flow device 311, so that waste water must be via entering into flocculation zone 32 via the water inlet 204 at first demarcation strip, 201 tops behind the disturbing flow device 311 after entering into coagulation district 31 by water inlet pipe 101; Drainpipe 102 can be arranged on the side wall upper part of housing 1; And can be connected with the end of water leg 21; Water leg 21 can be the U-lag up of the opening on the sidewall that is fixedly attached to sloping plate deposition chamber 2; Make to get into from the opening of U-lag in the U-lag, discharge via drainpipe 102 again via the reacted clear water of sloping plate deposition.
The apparatus processes mine water of suspension in the removal water of use present embodiment; After can earlier the mine water that is mixed with coagulated agent being pressurizeed through water pump; Get into the bottom in coagulation district 31 by water inlet pipe 101; Through being entered in the flocculation zone 32 by the top in coagulation district 31 behind the quick coagulation of disturbing flow device 311, then, the mine water after flocculation reaction gets into sloping plate deposition chambeies 2 by the opening 231 of the bottom of dividing plate 23 and carries out precipitation reaction in coagulation district 31; Promptly become the suspension of mud shape to flow in the sludge bucket 211 of swash plate below along swash plate on the one hand; And be discharged to outside the housing 1 by discharge pipeline 212, clear water then flows upward in the water leg 21 along swash plate on the other hand, finally discharges through drainpipe 102 and thinks that down-hole fire-fighting, watering and coal preparation plant supply water.
From the above; Water in this removal water after the apparatus processes of suspension can effectively be removed the suspension in the mine water; Again as the mining area industrial water; Need not to be delivered to sewage treatment plant through transfer pipeline again, thereby avoided building and safeguarding transfer pipeline, practiced thrift the cost of mine water purified treatment greatly; And this apparatus structure is compact, volume is big, processing speed is fast, has improved the efficient that mine water is handled, and has better economic property and higher security.
In the above-described embodiments, as shown in Figure 2, disturbing flow device 311 comprises the top board 312 and base plate 313 on the sidewall that is fixedly connected on coagulation district 31, and the interior burbling ball 314 of the cavity that sidewall surrounded that is arranged on top board 312, base plate 313 and coagulation district 31.Burbling ball 314 in the disturbing flow device 311 has strengthened turbulent effect through increasing the particle collision probability, has strengthened the coagulating effect.
In the above-described embodiments; As shown in Figure 2; Vertical fixing is provided with to form between second demarcation strip 202 and the 3rd demarcation strip 203, the second demarcation strips 202 and first demarcation strip 201 and forms two sections flocculation zones 322 between one section flocculation zone 321, the second demarcation strip 202 and the 3rd demarcation strip 203 in flocculation zone 32; Form three sections flocculation zones 323 between the sidewall of the 3rd demarcation strip 203 and housing 1; One section flocculation zone 321 is connected with the bottom of two sections flocculation zones 322, and two sections flocculation zones 322 are connected with the top of three sections flocculation zones 323, and three sections flocculation zones 323 are connected with sloping plate deposition chamber 2 through the opening 231 of dividing plate 23 bottoms; Promptly; Through hole or slit can be set in the bottom of second demarcation strip 202 one section flocculation zone 321 is connected with the bottom of two sections flocculation zones 322, through hole or slit can be set at the top of the 3rd demarcation strip 203 two sections flocculation zones 322 are connected with the top of three sections flocculation zones 323.Be vertically installed with in one section flocculation zone 321 be vertically installed with in a plurality of parallel and incorgruous each other 205, two sections flocculation zones 322 of flap a plurality of parallel and each other in the same way 205, three sections flocculation zones 323 of flap be vertically installed with a plurality of parallel straight plates 206.Like this; Through the multi-form flocculation of abundant mixed mine water through one section flocculation zone 321, two sections flocculation zones 322 and three sections flocculation zones 323; Further strengthened the flocculation reaction effect, also shortened the reaction time, guaranteed after suspended substance removal is handled, to obtain high-quality water quality.
In the above-described embodiments, as shown in figures 1 and 3, sloping plate deposition chamber 2 specifically can be with on the sidewall on every side that is fixedly attached to the precipitation reaction chamber around the incorgruous stream swash plate for being provided with the incorgruous flow inclined plate sedimentation reaction chamber of a plurality of heterotropic flow precipitation inclined plates.Than same flow oblique board sedimentation, the cost of incorgruous flow inclined plate sedimentation is cheaper, and a plurality of heterotropic flow precipitation inclined plates have improved the precipitation surface load, has also dwindled simultaneously the area in deposition chamber, reached both guarantee effluent quality also make overall structure compacter purpose.
Optimally, as shown in Figure 2, incorgruous 205 maximum spacings of flap are 25mm in one section flocculation zone 321, and minimum spacing is 50mm; Spacing in two sections flocculation zones 322 between in the same way the flap 205 is 50mm; Three sections flocculation zones 323 interior directly spacings between the plates 206 are 100mm, and the spacing that flap 205 or straight plate 206 rationally are set in the flocculation zone 32 can enhanced coagulation effect, the further water quality after the raising processing.
Optimally; The swash plate of incorgruous stream swash plate is long to be 1m, and the angle of incorgruous stream swash plate and horizontal plane is between 55 °～60 °, and the incorgruous stream swash plate that is provided with in this manner reaches good sedimentation effect; More suspension can be flowed out with sludge-like, and further improve the water quality of isolated clear water.
In another embodiment of the utility model; As shown in Figure 1; Sloping plate deposition chamber 2 in the removal water of present embodiment in the device of suspension is two; Be separately positioned on the both sides in coagulation chamber 3, promptly by two dividing plates 23 that all are provided with perpendicular to the bottom surface of housing 1 cavity in the housing 1 be separated into the coagulation chamber 3 in the middle of being positioned at and be positioned at the sloping plate deposition chamber 2 of 3 both sides, coagulation chamber, other structure is all same as the previously described embodiments.Like this; Mine water after flocculation reaction can be respectively gets into adjacent sloping plate deposition chamber 2 via the opening 231 of dividing plate 23 bottoms; Clear water through post precipitation then flows out via water leg in the sloping plate deposition chamber 2 at place 21 and the drainpipe 102 that respectively corresponding water leg 21 is provided with respectively; Thereby the water yield of this device is improved, has further improved the operating efficiency of the device of suspension in the removal water of present embodiment.
In the above-described embodiments; As shown in Figure 1; Drainpipe 102 is one; The top in coagulation district 31 is provided with and is used to be communicated with the drainage channel 22 that is arranged at two water legs 21 in the said sloping plate deposition chamber 2 respectively, and drainpipe 102 is arranged on the sidewall of housing 1, and with said two water legs in the water leg 21 that closes on be connected; Wherein, drainage channel 22 is not communicated with coagulation district 31, to guarantee in the clear water after the mine water that did not purify can not be blended into purification, utilizes the water after a drainpipe 102 will purify to discharge simultaneously, is convenient to conveying and use to the water after purifying more.
In the above-described embodiments; Be connected with pipe-line mixer on the water inlet pipe 101; To add coagulated agent through the dosing mouth on the pipe-line mixer side; Thereby mine water is directly pressurizeed after flow in the coagulation district 31 via water pump, make things convenient for feeding operations, improve the efficient of the apparatus processes sewage that uses suspension in this removal water by pipe-line mixer.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (9)
1. a device of removing suspension in the water is characterized in that, comprising: a horizontally disposed inside has the closure casing of cavity, and is respectively arranged with the water inlet pipe and the drainpipe that is used for water is discharged that is used in said housing, adding water on the said housing; Vertically disposed dividing plate is separated into a coagulation chamber with said cavity and is used for precipitating the sloping plate deposition chamber of the suspension of said water in the said cavity; Vertical fixing is provided with first demarcation strip in the said coagulation chamber; Said first demarcation strip is divided into coagulation district and flocculation zone with said coagulation chamber; And said coagulation district and said flocculation zone are connected through the water inlet at the first demarcation strip top; Be provided with the disturbing flow device that is used for abundant coagulation water and coagulated agent in the said coagulation district, the said coagulation district of said disturbing flow device below is connected with said water inlet pipe; The bottom of said dividing plate is provided with the opening that is used to be communicated with said flocculation zone and said sloping plate deposition chamber; The sidewall in said sloping plate deposition chamber is provided with the water leg that is used to collect the clear water after precipitation reaction; And said water leg is connected with said drainpipe; The bottom in said sloping plate deposition chamber is provided with the sludge bucket of the deposition bed mud that is used to collect after precipitation reaction, and the bottom of said sludge bucket is provided with and is used for said deposition bed mud is discharged to the outer discharge pipeline of said housing.
2. the device of suspension in the removal water according to claim 1; It is characterized in that; Said disturbing flow device comprises top board and the base plate on the sidewall that is fixedly connected on said coagulation district, and the interior burbling ball of the cavity that sidewall surrounded that is arranged on said top board, said base plate and said coagulation district.
3. the device of suspension in the removal water according to claim 2; It is characterized in that; Vertical fixing is provided with second demarcation strip and the 3rd demarcation strip in said flocculation zone; Form one section flocculation zone between said second demarcation strip and said first demarcation strip; Form two sections flocculation zones between said second demarcation strip and said the 3rd demarcation strip, form three sections flocculation zones between the sidewall of said the 3rd demarcation strip and said housing, said one section flocculation zone is connected with the bottom of said two sections flocculation zones; Said two sections flocculation zones are connected with the top of said three sections flocculation zones, and said three sections flocculation zones are connected with said sloping plate deposition chamber through the said opening of said dividing plate bottom; Be vertically installed with a plurality of parallel and incorgruous each other flaps in said one section flocculation zone, be vertically installed with a plurality of parallel and in the same way flaps each other in said two sections flocculation zones, said three sections flocculation zones are vertically installed with a plurality of parallel straight plates.
4. according to the device of suspension in claim 1 or the 3 described removal water, it is characterized in that said sloping plate deposition chamber is the heterotropic flow precipitation inclined plate precipitation reaction chamber that is provided with a plurality of incorgruous stream swash plates.
5. the device of suspension is characterized in that in the removal water according to claim 3, in said one section flocculation zone between said incorgruous flap maximum spacing be 25mm, minimum spacing is 50mm; Spacing in said two sections flocculation zones between the said flap in the same way is 50mm; Spacing in said three sections flocculation zones between the said straight plate is 100mm.
6. the device of suspension is characterized in that in the removal water according to claim 4, and the swash plate of said incorgruous stream swash plate is long to be 1m, and the angle of said incorgruous stream swash plate and horizontal plane is between 55 °～60 °.
7. the device of suspension is characterized in that in the removal water according to claim 1, and said sloping plate deposition chamber is two, is separately positioned on the both sides in said coagulation chamber.
8. the device of suspension in the removal water according to claim 7; It is characterized in that; Said drainpipe is one; The top in said coagulation district is provided with and is used to be communicated with the drainage channel that is arranged at two said water legs in the said sloping plate deposition chamber respectively, and said drainpipe is arranged on the sidewall of said housing, and with said two water legs in the water leg that closes on be connected.
9. according to the device of suspension in claim 1 or the 3 described removal water, it is characterized in that, be connected with pipe-line mixer on the said water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202050168U CN202122857U (en) | 2011-06-17 | 2011-06-17 | Device for removing suspended matters in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202050168U CN202122857U (en) | 2011-06-17 | 2011-06-17 | Device for removing suspended matters in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202122857U true CN202122857U (en) | 2012-01-25 |
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ID=45485929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202050168U Expired - Lifetime CN202122857U (en) | 2011-06-17 | 2011-06-17 | Device for removing suspended matters in water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202122857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824765A (en) * | 2011-06-17 | 2012-12-19 | 淮南矿业(集团)有限责任公司 | Device for removing suspended matters in water |
| CN103495308A (en) * | 2013-09-29 | 2014-01-08 | 都江堰申都中药有限公司 | Liquid traditional Chinese medicine filtration device |
| CN103495309A (en) * | 2013-09-29 | 2014-01-08 | 都江堰申都中药有限公司 | Liquid traditional Chinese medicine precipitation device |
-
2011
- 2011-06-17 CN CN2011202050168U patent/CN202122857U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824765A (en) * | 2011-06-17 | 2012-12-19 | 淮南矿业(集团)有限责任公司 | Device for removing suspended matters in water |
| CN102824765B (en) * | 2011-06-17 | 2015-04-22 | 淮南矿业(集团)有限责任公司 | Device for removing suspended matters in water |
| CN103495308A (en) * | 2013-09-29 | 2014-01-08 | 都江堰申都中药有限公司 | Liquid traditional Chinese medicine filtration device |
| CN103495309A (en) * | 2013-09-29 | 2014-01-08 | 都江堰申都中药有限公司 | Liquid traditional Chinese medicine precipitation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20150422 |