CN204039226U - A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency - Google Patents
A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency Download PDFInfo
- Publication number
- CN204039226U CN204039226U CN201420481305.4U CN201420481305U CN204039226U CN 204039226 U CN204039226 U CN 204039226U CN 201420481305 U CN201420481305 U CN 201420481305U CN 204039226 U CN204039226 U CN 204039226U
- Authority
- CN
- China
- Prior art keywords
- tank
- anaerobic fermentation
- feed
- pipeline
- heavy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency, comprise equalizing tank 1, just heavy tank 2, first anaerobic fermentation tank 3, second anaerobic fermentation tank 4 and microorganism return tank 5, equalizing tank 1 is connected with first heavy tank 2 by pipeline, just heavy tank 2 is connected with feed tank 6 and intermediate pool 7 respectively by pipeline, feed tank 6 is connected with the first anaerobic fermentation tank 3 by pipeline, intermediate pool 7 is connected with the second anaerobic fermentation tank 4 by pipeline, first anaerobic fermentation tank 3 and the second anaerobic fermentation tank 4 are connected in series by pipeline, microorganism return tank 5 by pipeline respectively with feed tank 6, second anaerobic fermentation tank 4 is connected with natural pond liquid pool 8.The concentration of lower concentration raw material can promote by the utility model, makes it reach concentration standard needed for anaerobically fermenting, is applicable to the plant that water rushes excrement technique.
Description
Technical field
The utility model relates to a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency, belongs to biomass energy preparing technical field.
Background technology
According to the investigation to domestic Ge great plant, in large-scale and super-huge pig farm, the main excrement technique of rushing adopted is that water rushes excrement, and part is followed foreign technology and started to select bubble excrement technique, and only a few uses dry clear excrement technique.National requirements plant auxiliary construction sewage treatment project, in order to improve energy recovery efficiency, energy-saving and emission-reduction, the mode that a lot of plant starts choice for use anaerobically fermenting develops breeding waste.So from technical standpoint, domestic many employing water rush excrement and want to build the plant of biogas engineering to be faced with the severe dirty concentration of problem--excrement low.
In general, CSTR technique is applicable to the raw material of TS 5% ~ 10%, and UASB technique is applicable to TS lower than 1% and without the sewage of more particle scum silica frost, and other anaerobic techniques exist as high in energy consumption in various angle, the problems such as gas producing efficiency is low.The pig farm blowdown concentration selecting water to rush excrement technique is generally in 2% ~ 3%, and this just makes pig farm face comparatively how-do-you-do, does not namely have most suitable fermentation equipment to utilize excrement dirty.
Utility model content
The purpose of this utility model is, a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency is provided, the concentration of lower concentration raw material can promote by it, makes it reach concentration standard needed for anaerobically fermenting, is applicable to the plant that water rushes excrement technique.
The technical solution of the utility model: a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency, comprise equalizing tank, just heavy tank, first anaerobic fermentation tank, second anaerobic fermentation tank and microorganism return tank, equalizing tank is connected with first heavy tank by pipeline, just heavy tank is connected with feed tank and intermediate pool respectively by pipeline, feed tank is connected with the first anaerobic fermentation tank by pipeline, intermediate pool is connected with the second anaerobic fermentation tank by pipeline, first anaerobic fermentation tank and the second anaerobic fermentation tank are connected in series by pipeline, microorganism return tank by pipeline respectively with feed tank, second anaerobic fermentation tank is connected with natural pond liquid pool.
Aforesaidly thisly can improve in the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, described just heavy tank comprises just heavy tank, feed-pipe, first feeding cylinder, first homogenizing plate, overflow port, sewage of low concentration relief outlet and high concentration material relief outlet, overflow port is arranged on the top tank skin of just heavy tank, and be connected with equalizing tank by connecting pipeline, described first feeding cylinder is arranged on and just sinks in tank, feed-pipe is communicated with through the tank skin of first heavy tank with the middle and upper part of the first feeding cylinder, first homogenizing plate is fixed on the bottom of feed-pipe by the first web plate, sewage of low concentration relief outlet is arranged on the bottom of just heavy tank, high concentration material relief outlet is arranged on the bottom of just heavy tank, sewage of low concentration relief outlet is connected with intermediate pool by pipeline, and high concentration material relief outlet is connected with feed tank by pipeline.By arranging just heavy tank, excrement dirt can be waited the lower concentration raw material of solid-liquid mixing, static through certain hour, after carrying out physics sedimentation, sewage of low concentration is got rid of from sewage of low concentration relief outlet, and high concentration material drains into feed tank by high concentration material relief outlet, thus improves material concentration.
Aforesaidly thisly can improve in the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, described microorganism return tank comprises return tank tank body, return tank feed-pipe, natural pond liquid vent pipe, second homogenizing plate, second feeding cylinder, microorganism return line and the second feed-pipe, second feeding cylinder is arranged in return tank tank body, one end of second feed-pipe is communicated with through the tank skin of return tank tank body with the middle and upper part of the second feeding cylinder, the other end is communicated with the second anaerobic fermentation tank, second homogenizing plate is fixed on the bottom of the second feeding cylinder by the second web plate, microorganism return line is arranged on the bottom of return tank tank body, microorganism return line is connected with feed tank, top in return tank tank body is provided with mill weir, forms sump pit between mill weir and return tank tank body, and natural pond liquid vent pipe is communicated with sump pit.
Aforesaidly thisly can improve in the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, described just heavy tank is identical with the structure of return tank tank body, and its top is cylinder, and bottom is centrum.
Aforesaidly thisly can improve in the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, it is bucket-shaped that described first homogenizing plate and the second homogenizing plate are inverted cone.First homogenizing plate and the second Orifice-plate design are become cone is bucket-shaped can effectively be prevented from material from directly entering in tank body producing flow-disturbing throw out is floated.
Aforesaidly thisly can improve in the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, the top of described mill weir is provided with vee or semicircular indentations.Mill weir is set and can tackles suspended substance in liquid.
Compared with prior art, the utility model is by arranging just heavy tank, excrement dirt can be waited the lower concentration raw material of solid-liquid mixing, static through certain hour, after carrying out physics sedimentation, sewage of low concentration is got rid of from sewage of low concentration relief outlet, high concentration material drains into feed tank by high concentration material relief outlet, by the just heavy dense rare shunting of tank, the excrement of 2% dirt can be separated into the dense material of 5% ~ 6% and the sewage of low concentration of 1%, allow dense rare material be in two kinds of optimal yeasting fermentation gas respectively, improve gas production rate to greatest extent.By arranging microorganism return tank, the microorganism of discharging with natural pond liquid can be transmitted back to feed tank after sedimentation in microorganism return tank again to utilize, the output of microorganism can be reduced on the one hand, improve the content of microorganisms in fermentor tank unit volume on the other hand, and then raising reaction efficiency, shorten the excrement dirty residence time in fermentor tank, indirectly reduce the overall volume of fermentor tank, or under the prerequisite of the fermentor tank of same volume, improve treatment for cow manure ability and volume yield rate.By the setting of just heavy tank and microorganism return tank, the plant making utilization water rush excrement technique also can produce biogas by anaerobic ferment devices, thus realizes the recycling of the energy, reaches the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the structural representation of just heavy tank;
Fig. 3 is the structural representation of microorganism return tank;
Fig. 4 is the structural representation that mill weir is provided with semicircular indentations.
Being labeled as in accompanying drawing: 1-equalizing tank, 2-is heavy tank just, 3-first anaerobic fermentation tank, 4-second anaerobic fermentation tank, 5-microorganism return tank, 6-feed tank, 7-intermediate pool, 8-natural pond liquid pool, 9-is heavy tank just, 10-feed-pipe, 11-first feeding cylinder, 12-first homogenizing plate, 13-overflow port, 14-sewage of low concentration relief outlet, 15-high concentration material relief outlet, 16-return tank tank body, 17-return tank feed-pipe, 18-natural pond liquid vent pipe, 19-second homogenizing plate, 20-second feeding cylinder, 21-microorganism return line, 22-second feed-pipe, 23-second web plate, 24-mill weir, 25-first web plate, 26-sump pit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment 1 of the present utility model: as shown in Figure 1, a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency, comprise equalizing tank 1, just heavy tank 2, first anaerobic fermentation tank 3, second anaerobic fermentation tank 4 and microorganism return tank 5, equalizing tank 1 is connected with first heavy tank 2 by pipeline, just heavy tank 2 is connected with feed tank 6 and intermediate pool 7 respectively by pipeline, feed tank 6 is connected with the first anaerobic fermentation tank 3 by pipeline, intermediate pool 7 is connected with the second anaerobic fermentation tank 4 by pipeline, first anaerobic fermentation tank 3 and the second anaerobic fermentation tank 4 are connected in series by pipeline, microorganism return tank 5 by pipeline respectively with feed tank 6, second anaerobic fermentation tank 4 is connected with natural pond liquid pool 8.Described just heavy tank 9 is identical with the structure of return tank tank body 16, and its top is cylinder, and bottom is centrum.
As shown in Figure 2, just heavy tank 2 comprises just heavy tank 9, feed-pipe 10, first feeding cylinder 11, first homogenizing plate 12, overflow port 13, sewage of low concentration relief outlet 14 and high concentration material relief outlet 15, overflow port 13 is arranged on the top tank skin of just heavy tank 9, and be connected with equalizing tank 1 by connecting pipeline, described first feeding cylinder 11 is arranged on and just sinks in tank 9, feed-pipe 10 is communicated with through the tank skin of first heavy tank 9 with the middle and upper part of the first feeding cylinder 11, first homogenizing plate 12 is fixed on the bottom of feed-pipe 10 by the first web plate 25, sewage of low concentration relief outlet 14 is arranged on the bottom of just heavy tank 9, high concentration material relief outlet 15 is arranged on the bottom of just heavy tank 9, sewage of low concentration relief outlet 14 is connected with intermediate pool 7 by pipeline, and high concentration material relief outlet 15 is connected with feed tank 6 by pipeline.
As shown in Figure 3, microorganism return tank 5 comprises return tank tank body 16, return tank feed-pipe 17, natural pond liquid vent pipe 18, second homogenizing plate 19, second feeding cylinder 20, microorganism return line 21 and the second feed-pipe 22, second feeding cylinder 20 is arranged in return tank tank body 16, one end of second feed-pipe 22 is communicated with through the tank skin of return tank tank body 16 with the middle and upper part of the second feeding cylinder 20, the other end is communicated with the second anaerobic fermentation tank 4, second homogenizing plate 19 is fixed on the bottom of the second feeding cylinder 20 by the second web plate 23, microorganism return line 21 is arranged on the bottom of return tank tank body 16, microorganism return line 21 is connected with feed tank 6, top in return tank tank body 16 is provided with mill weir 24, forms sump pit 26 between mill weir 24 and return tank tank body 16, and natural pond liquid vent pipe 18 is communicated with sump pit 26.It is bucket-shaped that first homogenizing plate 12 and the second homogenizing plate 19 are inverted cone.The top of mill weir 24 is provided with vee.
Embodiment 2 of the present utility model: as shown in Figure 1, a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency, comprise equalizing tank 1, just heavy tank 2, first anaerobic fermentation tank 3, second anaerobic fermentation tank 4 and microorganism return tank 5, equalizing tank 1 is connected with first heavy tank 2 by pipeline, just heavy tank 2 is connected with feed tank 6 and intermediate pool 7 respectively by pipeline, feed tank 6 is connected with the first anaerobic fermentation tank 3 by pipeline, intermediate pool 7 is connected with the second anaerobic fermentation tank 4 by pipeline, first anaerobic fermentation tank 3 and the second anaerobic fermentation tank 4 are connected in series by pipeline, microorganism return tank 5 by pipeline respectively with feed tank 6, second anaerobic fermentation tank 4 is connected with natural pond liquid pool 8.Just heavy tank 9 is identical with the structure of return tank tank body 16, and its top is cylinder, and bottom is centrum.
As shown in Figure 2, just heavy tank 2 comprises just heavy tank 9, feed-pipe 10, first feeding cylinder 11, first homogenizing plate 12, overflow port 13, sewage of low concentration relief outlet 14 and high concentration material relief outlet 15, overflow port 13 is arranged on the top tank skin of just heavy tank 9, and be connected with equalizing tank 1 by connecting pipeline, described first feeding cylinder 11 is arranged on and just sinks in tank 9, feed-pipe 10 is communicated with through the tank skin of first heavy tank 9 with the middle and upper part of the first feeding cylinder 11, first homogenizing plate 12 is fixed on the bottom of feed-pipe 10 by the first web plate 25, sewage of low concentration relief outlet 14 is arranged on the bottom of just heavy tank 9, high concentration material relief outlet 15 is arranged on the bottom of just heavy tank 9, sewage of low concentration relief outlet 14 is connected with intermediate pool 7 by pipeline, and high concentration material relief outlet 15 is connected with feed tank 6 by pipeline.
As shown in Figure 4, microorganism return tank 5 comprises return tank tank body 16, return tank feed-pipe 17, natural pond liquid vent pipe 18, second homogenizing plate 19, second feeding cylinder 20, microorganism return line 21 and the second feed-pipe 22, second feeding cylinder 20 is arranged in return tank tank body 16, one end of second feed-pipe 22 is communicated with through the tank skin of return tank tank body 16 with the middle and upper part of the second feeding cylinder 20, the other end is communicated with the second anaerobic fermentation tank 4, second homogenizing plate 19 is fixed on the bottom of the second feeding cylinder 20 by the second web plate 23, microorganism return line 21 is arranged on the bottom of return tank tank body 16, microorganism return line 21 is connected with feed tank 6, top in return tank tank body 16 is provided with mill weir 24, forms sump pit 26 between mill weir 24 and return tank tank body 16, and natural pond liquid vent pipe 18 is communicated with sump pit 26.It is bucket-shaped that first homogenizing plate 12 and the second homogenizing plate 19 are inverted cone.The top of mill weir 24 is provided with semicircular indentations.
Principle of work of the present utility model: as shown in Figure 1, the dirty wash-down water of bulky stool that pig farm water rushes excrement formation enters equalizing tank 1 by collection, just heavy tank 2 is sent into through pipeline, after excrement dirt stays for some time, first send the lower excrement of upper strata concentration by sewage of low concentration relief outlet 14 dirty, by high concentration material relief outlet 15, feed tank 6 is delivered in the dirt of high density excrement afterwards, for anaerobic fermentation system provides the raw material of suitable concn.Just heavy tank 2 is provided with top overflow port 13, and for preventing the too high spilling tank deck of liquid level, the dirt of spilling excrement is sent equalizing tank 1 back to and recycled.
The isolated high density liquid dung of preliminary sedimentation tank 1 and the dirt of lower concentration excrement are stored by feed tank 6 and intermediate pool 7 respectively, send into the first anaerobic fermentation tank 3 and the second anaerobic fermentation tank 4, material in first anaerobic fermentation tank 3 is sent in the second fermentor tank 4 after reaction, natural pond liquid is discharged and sludge stream enters microorganism return tank 5 after reaction, a large amount of anaerobically fermenting bacterium is there is in mud, through gravity separation, the mud of a large amount of anerobe of attachment is sent back in the first anaerobic fermentation tank 3 through bottom microorganism return line 21 through feed tank 6, thus anerobe enrichment degree in raising anaerobic fermentation tank, natural pond liquid overflows through top mill weir 24 and sends into natural pond liquid pool 8.Whole system reaches the dirty concentration of leading portion adjustment excrement, and back segment enrichment anaerobic fermentation bacterial, entirety ensures zymotechnique and improves the effect of fermentation efficiency.
Claims (6)
1. one kind can be improved the anaerobic fermentation system of lower concentration material anaerobically fermenting efficiency, comprise equalizing tank (1), just heavy tank (2), first anaerobic fermentation tank (3), second anaerobic fermentation tank (4) and microorganism return tank (5), it is characterized in that: equalizing tank (1) is connected with first heavy tank (2) by pipeline, just heavy tank (2) is connected with feed tank (6) and intermediate pool (7) respectively by pipeline, feed tank (6) is connected with the first anaerobic fermentation tank (3) by pipeline, intermediate pool (7) is connected with the second anaerobic fermentation tank (4) by pipeline, first anaerobic fermentation tank (3) and the second anaerobic fermentation tank (4) are connected in series by pipeline, microorganism return tank (5) by pipeline respectively with feed tank (6), second anaerobic fermentation tank (4) is connected with natural pond liquid pool (8).
2. a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency according to claim 1, it is characterized in that: described just heavy tank (2) comprises just heavy tank (9), feed-pipe (10), first feeding cylinder (11), first homogenizing plate (12), overflow port (13), sewage of low concentration relief outlet (14) and high concentration material relief outlet (15), overflow port (13) is arranged on the top tank skin of just heavy tank (9), and be connected with equalizing tank (1) by connecting pipeline, described first feeding cylinder (11) is arranged on just to be sunk in tank (9), feed-pipe (10) is communicated with through the tank skin of first heavy tank (9) with the middle and upper part of the first feeding cylinder (11), first homogenizing plate (12) is fixed on the bottom of feed-pipe (10) by the first web plate (25), sewage of low concentration relief outlet (14) is arranged on the bottom of just heavy tank (9), high concentration material relief outlet (15) is arranged on the bottom of just heavy tank (9), sewage of low concentration relief outlet (14) is connected with intermediate pool (7) by pipeline, and high concentration material relief outlet (15) is connected with feed tank (6) by pipeline.
3. a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency according to claim 2, it is characterized in that: described microorganism return tank (5) comprises return tank tank body (16), return tank feed-pipe (17), natural pond liquid vent pipe (18), second homogenizing plate (19), second feeding cylinder (20), microorganism return line (21) and the second feed-pipe (22), second feeding cylinder (20) is arranged in return tank tank body (16), one end of second feed-pipe (22) is communicated with through the tank skin of return tank tank body (16) with the middle and upper part of the second feeding cylinder (20), the other end is communicated with the second anaerobic fermentation tank (4), second homogenizing plate (19) is fixed on the bottom of the second feeding cylinder (20) by the second web plate (23), microorganism return line (21) is arranged on the bottom of return tank tank body (16), microorganism return line (21) is connected with feed tank (6), top in return tank tank body (16) is provided with mill weir (24), form sump pit (26) between mill weir (24) and return tank tank body (16), natural pond liquid vent pipe (18) is communicated with sump pit (26).
4. a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency according to claim 3, it is characterized in that: described just heavy tank (9) is identical with the structure of return tank tank body (16), its top is cylinder, and bottom is centrum.
5. a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency according to claim 3 or 4, is characterized in that: it is bucket-shaped that described first homogenizing plate (12) and the second homogenizing plate (19) are inverted cone.
6. a kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency according to claim 3, is characterized in that: the top of described mill weir (24) is provided with vee or semicircular indentations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481305.4U CN204039226U (en) | 2014-08-25 | 2014-08-25 | A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481305.4U CN204039226U (en) | 2014-08-25 | 2014-08-25 | A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204039226U true CN204039226U (en) | 2014-12-24 |
Family
ID=52239917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420481305.4U Active CN204039226U (en) | 2014-08-25 | 2014-08-25 | A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204039226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716513A (en) * | 2017-10-26 | 2018-02-23 | 宁波开诚生态技术有限公司 | Segmented dry type anaerobic system |
| CN115947515A (en) * | 2023-03-15 | 2023-04-11 | 河北京安生物能源科技股份有限公司 | Livestock and poultry manure water treatment method and system |
-
2014
- 2014-08-25 CN CN201420481305.4U patent/CN204039226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716513A (en) * | 2017-10-26 | 2018-02-23 | 宁波开诚生态技术有限公司 | Segmented dry type anaerobic system |
| CN115947515A (en) * | 2023-03-15 | 2023-04-11 | 河北京安生物能源科技股份有限公司 | Livestock and poultry manure water treatment method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101434450A (en) | Anaerobic digestion processing method and apparatus in biogas production process | |
| CN104498532A (en) | Process for producing methane by mixing and fermenting organic wastes | |
| CN104016556A (en) | Large-size waste recycling system | |
| CN103288302A (en) | Livestock/poultry breeding wastewater resource utilization and treatment device | |
| CN207121470U (en) | A kind of telescopic reactor realized biogas residue and biogas liquid and efficiently separated | |
| CN203960952U (en) | Inferior multi-level utilization device of purifying waste water | |
| CN204039226U (en) | A kind of anaerobic fermentation system that can improve lower concentration material anaerobically fermenting efficiency | |
| CN208345988U (en) | A kind of small-town sewage treatment system based on anaerobism MBR technology | |
| CN111153554A (en) | Rural domestic sewage treatment rapid separation equipment and treatment method | |
| CN111233260A (en) | Rural black and grey water collecting, processing and resource utilization system | |
| CN102408175A (en) | System for ecologically utilizing household sewage | |
| CN104291518A (en) | Standard discharge processing system for high-concentration livestock and poultry waste and processing method thereof | |
| CN201878622U (en) | Turtle culture circulation system | |
| CN205382156U (en) | Handle rural organic marsh gas of rubbish pond | |
| CN204125315U (en) | A kind of plant biogas fermentation device | |
| CN103482764B (en) | A kind of hydrolysis acidification pool based on granule sludge enhanced flocculation technique | |
| CN202465457U (en) | Centralized processing system of sewage in rural areas | |
| CN212425773U (en) | Sewage distributed drainage pipe network collection and treatment device | |
| CN101220333A (en) | Sludge gas technique of city dejecta | |
| CN202881058U (en) | High-concentration alcohol wastewater treatment system | |
| CN102701518B (en) | Pretreatment system for organic domestic wastewater | |
| CN206814478U (en) | A kind of unpowered automatic stirring and the methane production device for being recycled feed liquid | |
| CN216687854U (en) | Excrement and sewage plug-flow anaerobic reactor | |
| CN103896459A (en) | Wastewater treatment method for preventing and treating inhabitant point-surface source pollution in villages and towns | |
| CN107265812A (en) | A kind of air pressure slag discharging environmental protection septic tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 053600, No. 88, Jing An Avenue, Anping County, Hebei, Hengshui Patentee after: HEBEI JING AN BIOLOGY ENERGY TECHNOLOGY CO.,LTD. Address before: 053600, Hebei, Hengshui Province Anping County, East Village, South Village Patentee before: HEBEI JINGAN BIOMASS ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 053600 88 Jing'an Avenue, Anping County, Hengshui City, Hebei Province Patentee after: Jing'an Ecological Technology Group Co.,Ltd. Address before: 053600 88 Jing'an Avenue, Anping County, Hengshui City, Hebei Province Patentee before: HEBEI JING AN BIOLOGY ENERGY TECHNOLOGY CO.,LTD. |