CN204342549U - Wastewater from Pig Farm biochemical treatment preprocessing system - Google Patents
Wastewater from Pig Farm biochemical treatment preprocessing system Download PDFInfo
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- CN204342549U CN204342549U CN201420768968.4U CN201420768968U CN204342549U CN 204342549 U CN204342549 U CN 204342549U CN 201420768968 U CN201420768968 U CN 201420768968U CN 204342549 U CN204342549 U CN 204342549U
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Abstract
The utility model discloses a kind of Wastewater from Pig Farm biochemical treatment preprocessing system, comprise grating tank, agitated pool, solid-liquid separating machine and preliminary sedimentation tank, solid-liquid separating machine comprises lower box, between the left side plate of lower box, extruser is installed, the left end of auger sleeve is to lower case extension, the downside of the end of the extension of this flood dragon sleeve is provided with slag notch, the upside that flood dragon sleeve is positioned at the part of lower case has opening for feed, the bottom of flood dragon sleeve and its extension is provided with permeable hole, the below of the extension of auger sleeve is provided with sewage collecting box, waste water baffle-box is provided with between the top of the right-angled trapezium plate of the left and right sides, the backboard of waste water baffle-box is provided with waste water inlet, the height of the front side board of waste water baffle-box is lower than the height of backboard, be provided with filter screen between the back side panel of the front side board of waste water baffle-box and the opening for feed of flood dragon sleeve, wastewater outlet is connected with waste water inlet.Structure is simple, reasonable in design.
Description
Technical field
The utility model relates to a kind of Wastewater from Pig Farm biochemical treatment preprocessing system.
Background technology
In recent years; along with the raising of expanding economy and living standards of the people; livestock products demand also constantly increases; facilitate the livestock breeding industry of China towards mass-producing, intensive future development thereupon; according to investigations, current domestic most plant all have employed the mode of dry clear excrement, and the livestock breeding wastewater of generation is mostly rinse the waste water such as colony house; these waste water directly enter or enter river,lake and reservior with rain drop erosion, make water body blackening smelly.Permeate the ground for a long time, the nitrate content in underground water is increased, water quality deterioration, severe contamination plant's surrounding enviroment and underground water, threaten the healthy of resident near plant.
Breeding wastewater is primarily of the waste water and the pig manure composition that wash away pig house, and water-content is large, but also there is bulky stool slag, at present, the pretreatment process of Normal wastewater comprises grating tank and equalizing tank, and grating tank can by bulk Impurity removal, but grating tank can not remove the excrement slag in breeding wastewater.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of Wastewater from Pig Farm biochemical treatment preprocessing system well removing excrement slag in breeding wastewater.
To achieve these goals, the technical solution of the utility model is: a kind of Wastewater from Pig Farm biochemical treatment preprocessing system, comprise grating tank (20), agitated pool (21), solid-liquid separating machine and preliminary sedimentation tank (22), described grating tank (20) is connected with agitated pool (21), described agitated pool (21) top is provided with mechanical stirring (21a), mixture in agitated pool (21) is extracted in solid-liquid separating machine and carries out solid-liquid separation by lift pump (23), it is characterized in that: described solid-liquid separating machine (3) comprises the lower box (1) of upper end open, the base plate (1a) of described lower box (1) is swash plate downward-sloping gradually from front to back, the bottom of the backboard of described lower box (1) is provided with water outlet (4), described water outlet (4) is connected by the water-in of pipeline with preliminary sedimentation tank (22), the left side plate of described lower box (1) upwards extends, described lower box (1) extension is upwards right-angled trapezium plate (2), this right-angled trapezium plate (2) hypotenuse is positioned at front side, the front end on the left side plate top of described lower box (1) is arranged with screw extrusion press sleeve open holes (3), in this screw extrusion press sleeve open holes (3), by ring flange, extruser is installed, described extruser comprises auger sleeve (16), be positioned at the screw auger (17) of auger sleeve (16), the left end of described auger sleeve (16) is to lower case (1) extension, the downside of the end of the extension (16a) of this auger sleeve (16) is provided with slag notch (16b), the upside that described auger sleeve (16) is positioned at the part of lower case (1) has opening for feed (16c), the bottom of described auger sleeve (16) and its extension (16a) is provided with permeable hole (16d), the below of the extension (16a) of described auger sleeve (16) is provided with sewage collecting box (18), described sewage collecting box (18) is positioned between the left side wall of lower case (1) and slag notch (16b), the bottom of described sewage collecting box (18) is provided with wastewater outlet (18a),
Waste water baffle-box (8) is provided with between the top of the right-angled trapezium plate (2) of the described left and right sides, the backboard of described waste water baffle-box (8) is provided with waste water inlet (9), described waste water inlet (9) is connected with the water outlet of lift pump (23), described wastewater outlet (18a) is also connected with waste water inlet (9), and the height of the front side board of described waste water baffle-box (8) is lower than the height of backboard; Filter screen (19) is provided with between the back side panel of the front side board upper end of described waste water baffle-box (8) and the opening for feed (16c) of auger sleeve (16);
Position near its water-in on the base plate of described preliminary sedimentation tank (22) is provided with pit (22a), is provided with shore pipe (22b) in the bottom of this pit (22a).
Adopt such scheme, waste water first removes large foreign material through grating tank, then agitated pool is entered, solid-liquid is stirred, again breeding wastewater is extracted in waste water baffle-box, waste water in waste water baffle-box flows from top to down along filter screen in screw extrusion press, in this process, most water is walked by filter screen filter, water flows on the base plate of lower box, flow out from the water outlet at the lower box back side, the water that water outlet flows out enters preliminary sedimentation tank and carries out preliminary sedimentation, preliminary sedimentation tank Main Function is runoff investigation and the tiny foreign material of preliminary precipitation, ensure that follow-up water treatment building normally runs. also play the function of larger molecular organics in acidication waste water.The base plate of preliminary sedimentation tank arranges pit, such easy cleaning bottom settlings near water-in.
Slag inclusion waste water enters auger sleeve from opening for feed, unnecessary water flows in cabinet from the permeable hole of auger lower cartridge again, under the effect of screw auger, slag constantly enters the extension of auger sleeve, slag is squeezed when entering the extension of auger sleeve, a small amount of waste water flows to sewage collecting box from the permeable hole of extension again, and the wastewater outlet of this sewage collecting box is connected with waste water baffle-box, again enters next circulation.Excrement slag then from slag notch out, enters fertilizer workshop.
In technique scheme, the upper end of the front side board of the opening for feed (16c) of described auger sleeve (16) is provided with front apron (5), described front apron (5) reaches the top outside the front side board of lower box (1), side shield (6) is connected with between the bottom of the both sides of this front apron (5) and the hypotenuse of right-angled trapezium plate (2), the upper end thereof of described front apron (5) has cover plate (7), both sides respective side baffle plate (6) of described cover plate (7) are provided with side cover plate (71), the upper end of the back side panel of the opening for feed (16c) of described auger sleeve (16) is provided with rear deflector door (13), described rear deflector door (13) and front apron (5) separate in herringbone.Arrange front apron and rear deflector door at opening for feed, like this, make the width expansion of opening for feed, opening for feed is increased, facilitates charging, meanwhile, arranging of front apron can avoid slag inclusion waste water to go out.Side shield is set, avoids waste water to flow out from the side, cover plate is set whole cabinet can be made to seal.Peculiar smell during reduction work.
In such scheme: the inner side of the right-angled trapezium plate (2) of the described left and right sides is provided with filter screen placement plate (10) of inclination, the upper end of the front side board of described waste water baffle-box (8) is welded with angle steel (11), the inner side on the summit of described angle steel (11) is welded on the upper end of the front side board of waste water baffle-box (8), described filter screen (19) is fixed on filter screen and places on plate (10), the upper end of described filter screen (19) reaches angle steel (11) and is positioned at below waste water baffle-box (8) side plate outward, the lower end of described filter screen (19) is connected to the upper end of rear deflector door (13).Arrange filter screen and place plate for installing filter screen, the both sides of filter screen can be fixed on filter screen by web members such as bolts and place on plate.At the upper end of waste water baffle-box front side board welding angle steel, the one block of plate being equivalent to angle steel is positioned at waste water baffle-box, and another block plate reaches waste water baffle-box and forms flow deflector outward, and filter screen reaches the below of this plate, can ensure that waste water all flows on filter screen like this.
In technique scheme: be provided with upper cover plate (14) between the top of the hypotenuse of the right-angled trapezium plate (2) of the described left and right sides, described upper cover plate (14) is the n shape cover plate be made up of with the support plate being positioned at top board both sides top board, the lower end of two support plates of described upper cover plate (14) is connected on the hypotenuse of left and right right-angled trapezium plate (2), and the top of described filter screen (19) is positioned at upper cover plate (14) below.Upper cover plate being set, waste water can being avoided to splash when flowing on filter screen.
In technique scheme: in described waste water baffle-box (8), the front of waste water inlet (9) is provided with waste water baffle plate (12).Waste water baffle plate is set, the outflow of the shock effect waste water shape waste water baffle-box produced when waste water can be avoided like this to enter in waste water baffle-box, waste water is flowed out unstable.
In technique scheme: be provided with Rear Door (15) between the square edge of described right-angled trapezium plate (2).
In technique scheme: the top of the front-rear side walls of the extension (16a) of described auger sleeve (16) is welded with water tank web plate (16e) respectively, the front-rear side walls of described sewage collecting box (18) upwards extends and is connected with this water tank web plate (16e).
In technique scheme: the upper weld of the end of the extension (16a) of described auger sleeve (16) has motor fixing frame (16f).Facilitate mounted motor like this.
In technique scheme: the left and right sides of described filter screen (19) is provided with baffle plate (19a).Baffle plate can avoid waste water directly to flow in lower box from the side of filter screen.
Beneficial effect: preprocessing system of the present utility model is reasonable in design, simply, waste water first removes bigger material through grating tank, then under whipped state, waste water is first extracted in waste water baffle-box, flow to after filter screen in screw extrusion press from top to down through waste water baffle-box again, extrude, realize slag liquid and be separated, slag liquid good separating effect, finally enter preliminary sedimentation tank, then the slag of minute quantity is precipitated, make scum silica frost content in follow-up water treatment procedure few.
Accompanying drawing illustrates:
Fig. 1 is schema of the present utility model;
Fig. 2 is solid-liquid separating machine structural representation of the present utility model;
Fig. 3 is the structural representation that Fig. 2 removes cabinet after filter screen;
Fig. 4 is the scheme of installation of rear deflector door;
Fig. 5 is the structural representation on rear side of cabinet;
Fig. 6 is cabinet left side view;
Fig. 7 is lateral side view;
Fig. 8 is the structural representation of auger sleeve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Relative position all around only in representative graph of the present utility model, does not represent the absolute location of product.Embodiment 1
As shown in Figure 1: Wastewater from Pig Farm biochemical treatment preprocessing system of the present utility model is made up of grating tank 20, agitated pool 21, solid-liquid separating machine, preliminary sedimentation tank 22 and lift pump 23, and grating tank 20 is prior art, does not repeat at this to its structure.Grating tank 20 water outlet is connected with agitated pool 21, is provided with mechanical stirring 21a above agitated pool 21, and in agitated pool 21, slag liquid fully stirs, and mixes, and the mixture in agitated pool 21 is extracted in solid-liquid separating machine and carries out solid-liquid separation by lift pump 23.
Solid-liquid separating machine is placed the parts such as plate 10, angle steel 11, waste water baffle plate 12, rear deflector door 13, upper cover plate 14, front side door-plate, Rear Door 15, auger sleeve 16, screw auger 17 formed by lower box 1, right-angled trapezium plate 2, screw extrusion press sleeve open holes 3, water outlet 4, front apron 5, side shield 6, cover plate 7, waste water baffle-box 8, waste water inlet 9, filter screen.
The lower end of the left side plate of lower box 1 is to downward-extension, and the lower end of this extension outwards bends, and this extension and kink form the installation portion of lower box 1.The base plate 1a of lower box 1 is swash plate downward-sloping gradually from front to back, and the bottom of the backboard of lower box 1 is provided with water outlet 4, and this water outlet 4 is connected with the water-in of preliminary sedimentation tank 22.The left side plate of lower box 1 upwards extends, and lower box 1 extension is upwards right-angled trapezium plate 2, and this right-angled trapezium plate 2 hypotenuse is positioned at front side, and the front end on the left side plate top of lower box 1 is arranged with screw extrusion press sleeve open holes 3.
In this screw extrusion press sleeve open holes 3, be provided with extruser by ring flange, extruser comprises auger sleeve 16, is positioned at the screw auger 17 of auger sleeve 16, and the two ends of screw auger 17 reach outside auger sleeve 16.The two ends of auger sleeve 16 are arranged in screw extrusion press sleeve open holes 3 by ring flange, the left end of auger sleeve 16 is to lower case 1 extension, the downside of the end of the extension 16a of this auger sleeve 16 is provided with slag notch 16b, the upside that auger sleeve 16 is positioned at the part of lower case 1 has opening for feed 16c, the upper end of the front side board of the opening for feed 16c of auger sleeve 16 is provided with front apron 5, front apron 5 reaches the top outside the front side board of lower box 1, front apron 5 is welded on the upper end of the opening for feed of lower box 1, side shield 6 is connected with between the bottom of the both sides of this front apron 5 and the hypotenuse of right-angled trapezium plate 2, the upper end thereof of front apron 5 has cover plate 7, the both sides respective side baffle plate 6 of cover plate 7 is provided with side cover plate 71, the upper end of the back side panel of the opening for feed 16c of auger sleeve 16 is provided with rear deflector door 13, rear deflector door 13 and front apron 5 separate in herringbone, opening for feed is equivalent to widen high, be conducive to charging.
The bottom of auger sleeve 16 and its extension 16a is provided with permeable hole 16d, the below of the extension 16a of auger sleeve 16 is provided with sewage collecting box 18, sewage collecting box 18 is the casing of upper end open, sewage collecting box 18 is between the left side wall and slag notch 16b of lower case 1, and the bottom of sewage collecting box 18 is provided with wastewater outlet 18a.The top of the front-rear side walls of the extension 16a of auger sleeve 16 is welded with water tank web plate 16e respectively, and the front-rear side walls of sewage collecting box 18 upwards extends and is connected with this water tank web plate 16e.
The upper weld of the end of the extension 16a of auger sleeve 16 has motor fixing frame 16f, and motor fixing frame 16f is for installing auger motor.
Waste water baffle-box 8 is provided with between the top of the right-angled trapezium plate 2 of the left and right sides, the backboard of waste water baffle-box 8 is provided with waste water inlet 9, waste water inlet 9 is connected with the water outlet of lift pump 23, and grain slag mixture pumps into from waste water inlet 9, and wastewater outlet 18a is also connected with waste water inlet 9.The height of the front side board of waste water baffle-box 8 is lower than the height of backboard; The upper end of the front side board of waste water baffle-box 8 is welded with angle steel 11, and the inner side on the summit of angle steel 11 is welded on the upper end of the front side board of waste water baffle-box 8.The one block of plate being equivalent to angle steel 11 is positioned at waste water baffle-box 8, and another block plate reaches outside waste water baffle-box 8.It is not shown in FIG. that the two ends, left and right of the front side board of waste water baffle-box 8 are respectively equipped with baffle plate.Avoid waste water to flow out from two ends, thus flow directly in lower box 1 from the gap between filter screen and right-angled trapezium plate 2.In waste water baffle-box 8, the front of waste water inlet 9 is provided with waste water baffle plate 12.Avoid waste water from waste water inlet take out 9 come in time impact is brought to the water outlet of waste water baffle-box 8.The inner side of the right-angled trapezium plate 2 of the left and right sides is provided with the filter screen placement plate 10 of inclination, and the upper end that filter screen places plate 10 connects with the front side board of waste water baffle-box 8.Filter screen is made to be connected tightr with waste water baffle-box 8.
Filter screen 19 is fixed on filter screen and places on plate 10, and filter screen 19 comprises support bar and grating, and grating is welded on support bar.The upper end of filter screen 19 reaches below the side plate that angle steel 11 is positioned at outside waste water baffle-box 8, and the lower end of filter screen 19 is connected to the upper end of rear deflector door 13.The left and right sides of filter screen 19 is provided with baffle plate 19a, and described baffle plate 19a is angle steel, and the lower end of its vertical plate is welded on the both sides of filter screen, and on it, transverse plate reaches the top of filter screen 19.Waste water is avoided directly to flow in lower box 1 from the both sides of filter screen 19.
Upper cover plate 14 is provided with between the top of the hypotenuse of the right-angled trapezium plate 2 of the left and right sides, upper cover plate 14 is the n shape cover plate be made up of with the support plate being positioned at top board both sides top board, the lower end of two support plates of upper cover plate 14 is connected on the hypotenuse of left and right right-angled trapezium plate 2, and the top of filter screen 19 is positioned at below upper cover plate 14.
The upper end thereof of the right-angled trapezium plate 2 of both sides has front side door-plate (not shown in FIG.), and be provided with Rear Door 15 between the backboard of waste water baffle-box 8 and lower box 1, Rear Door 15 is between the square edge of two right-angled trapezium plates 2.
The base plate of preliminary sedimentation tank 22 is provided with pit 22a near the position of its water-in, is provided with shore pipe 22b in the bottom of this pit 22a, can also to arrange mud scraper in preliminary sedimentation tank 22, for the mud bottom preliminary sedimentation tank 22 is scraped in pit 22a.Preliminary sedimentation tank 22 waste water out enters next step biochemical treatment.As entered IC reactor etc.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (9)
1. a Wastewater from Pig Farm biochemical treatment preprocessing system, comprise grating tank (20), agitated pool (21), solid-liquid separating machine and preliminary sedimentation tank (22), described grating tank (20) is connected with agitated pool (21), described agitated pool (21) top is provided with mechanical stirring (21a), mixture in agitated pool (21) is extracted in solid-liquid separating machine and carries out solid-liquid separation by lift pump (23), it is characterized in that: described solid-liquid separating machine (3) comprises the lower box (1) of upper end open, the base plate (1a) of described lower box (1) is swash plate downward-sloping gradually from front to back, the bottom of the backboard of described lower box (1) is provided with water outlet (4), described water outlet (4) is connected by the water-in of pipeline with preliminary sedimentation tank (22), the left side plate of described lower box (1) upwards extends, described lower box (1) extension is upwards right-angled trapezium plate (2), this right-angled trapezium plate (2) hypotenuse is positioned at front side, the front end on the left side plate top of described lower box (1) is arranged with screw extrusion press sleeve open holes (3), in this screw extrusion press sleeve open holes (3), by ring flange, extruser is installed, described extruser comprises auger sleeve (16), be positioned at the screw auger (17) of auger sleeve (16), the left end of described auger sleeve (16) is to lower case (1) extension, the downside of the end of the extension (16a) of this auger sleeve (16) is provided with slag notch (16b), the upside that described auger sleeve (16) is positioned at the part of lower case (1) has opening for feed (16c), the bottom of described auger sleeve (16) and its extension (16a) is provided with permeable hole (16d), the below of the extension (16a) of described auger sleeve (16) is provided with sewage collecting box (18), described sewage collecting box (18) is positioned between the left side wall of lower case (1) and slag notch (16b), the bottom of described sewage collecting box (18) is provided with wastewater outlet (18a),
Waste water baffle-box (8) is provided with between the top of the right-angled trapezium plate (2) of the described left and right sides, the backboard of described waste water baffle-box (8) is provided with waste water inlet (9), described waste water inlet (9) is connected with the water outlet of lift pump (23), described wastewater outlet (18a) is also connected with waste water inlet (9), and the height of the front side board of described waste water baffle-box (8) is lower than the height of backboard; Filter screen (19) is provided with between the back side panel of the front side board upper end of described waste water baffle-box (8) and the opening for feed (16c) of auger sleeve (16);
Position near its water-in on the base plate of described preliminary sedimentation tank (22) is provided with pit (22a), is provided with shore pipe (22b) in the bottom of this pit (22a).
2. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, it is characterized in that: the upper end of the front side board of the opening for feed (16c) of described auger sleeve (16) is provided with front apron (5), described front apron (5) reaches the top outside the front side board of lower box (1), side shield (6) is connected with between the bottom of the both sides of this front apron (5) and the hypotenuse of right-angled trapezium plate (2), the upper end thereof of described front apron (5) has cover plate (7), both sides respective side baffle plate (6) of described cover plate (7) are provided with side cover plate (71), the upper end of the back side panel of the opening for feed (16c) of described auger sleeve (16) is provided with rear deflector door (13), described rear deflector door (13) and front apron (5) separate in herringbone.
3. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 2, it is characterized in that: the inner side of the right-angled trapezium plate (2) of the described left and right sides is provided with filter screen placement plate (10) of inclination, the upper end of the front side board of described waste water baffle-box (8) is welded with angle steel (11), the inner side on the summit of described angle steel (11) is welded on the upper end of the front side board of waste water baffle-box (8), described filter screen (19) is fixed on filter screen and places on plate (10), the upper end of described filter screen (19) reaches angle steel (11) and is positioned at below waste water baffle-box (8) side plate outward, the lower end of described filter screen (19) is connected to the upper end of rear deflector door (13).
4. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, it is characterized in that: between the top of the hypotenuse of the right-angled trapezium plate (2) of the described left and right sides, be provided with upper cover plate (14), described upper cover plate (14) is the n shape cover plate be made up of with the support plate being positioned at top board both sides top board, the lower end of two support plates of described upper cover plate (14) is connected on the hypotenuse of left and right right-angled trapezium plate (2), and the top of described filter screen (19) is positioned at upper cover plate (14) below.
5. Wastewater from Pig Farm biochemical treatment preprocessing system according to any one of claim 1-4, is characterized in that: the front of the interior waste water inlet of described waste water baffle-box (8) (9) is provided with waste water baffle plate (12).
6. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, is characterized in that: be provided with Rear Door (15) between the square edge of described right-angled trapezium plate (2).
7. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, it is characterized in that: the top of the front-rear side walls of the extension (16a) of described auger sleeve (16) is welded with water tank web plate (16e) respectively, the front-rear side walls of described sewage collecting box (18) upwards extends and is connected with this water tank web plate (16e).
8. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, is characterized in that: the upper weld of the end of the extension (16a) of described auger sleeve (16) has motor fixing frame (16f).
9. Wastewater from Pig Farm biochemical treatment preprocessing system according to claim 1, is characterized in that: the left and right sides of described filter screen (19) is provided with baffle plate (19a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768968.4U CN204342549U (en) | 2014-12-09 | 2014-12-09 | Wastewater from Pig Farm biochemical treatment preprocessing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768968.4U CN204342549U (en) | 2014-12-09 | 2014-12-09 | Wastewater from Pig Farm biochemical treatment preprocessing system |
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| Publication Number | Publication Date |
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| CN204342549U true CN204342549U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420768968.4U Expired - Fee Related CN204342549U (en) | 2014-12-09 | 2014-12-09 | Wastewater from Pig Farm biochemical treatment preprocessing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260806A (en) * | 2018-10-10 | 2019-01-25 | 禹州华德环保科技有限公司 | A kind of solid-liquid separation treatment machine |
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2014
- 2014-12-09 CN CN201420768968.4U patent/CN204342549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260806A (en) * | 2018-10-10 | 2019-01-25 | 禹州华德环保科技有限公司 | A kind of solid-liquid separation treatment machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20161209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |