CN102258900A - Device and method for precisely filtering biogas slurry - Google Patents
Device and method for precisely filtering biogas slurry Download PDFInfo
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- CN102258900A CN102258900A CN2011101178718A CN201110117871A CN102258900A CN 102258900 A CN102258900 A CN 102258900A CN 2011101178718 A CN2011101178718 A CN 2011101178718A CN 201110117871 A CN201110117871 A CN 201110117871A CN 102258900 A CN102258900 A CN 102258900A
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- natural pond
- pond liquid
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- titanium alloy
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Abstract
The invention provides a device and a method for precisely filtering biogas slurry. The device comprises a stock biogas slurry chamber consisting of titanium alloy filtering components, a filtering component base plate, and an upper shell and a lower shell of the device for precisely filtering the biogas slurry, and a filtering liquid chamber; the stock biogas slurry enters the stock biogas slurry chamber after being pressurized, wherein the titanium alloy filtering components isolates macromolecule substances such as plant fibers, sediment, algae, bacteria and the like which are contained in the biogas slurry and the macromolecule substances are adhered to the outer surface; and micromolecule substances such as nutrient components and the like which are required by plants and contained in the biogas slurry pass through micropores of the titanium alloy filtering components, enter the filtering liquid chamber and are discharged and used as liquid manure, so that the aim of precisely filtering the biogas slurry is fulfilled. The macromolecule substances which are adhered to the outer surfaces of the titanium alloy filtering components are cleaned in a purified water pressurization invert cleaning mode, and purified water is sprayed outward from the inner sides of the titanium alloy filtering components, and washes away the macromolecule substances which are adhered to the surface, and is discharged from a sewage pipeline so as to fulfill the aim of repeatedly using the purified water after recycling.
Description
Technical field
The invention belongs to the apparatus field of changing waste into resources secondary filter natural pond liquid, specifically, it relates to the device and the filter method of a kind of secondary filter at normal temperatures natural pond liquid.
Background technology
Natural pond liquid is that debirs such as human and animal excreta produce the bronzing liquid that carries over behind the biogas through anaerobic fermentation in methane-generating pit, conventional nutritional labeling has nitrogen in the liquid of natural pond, phosphorus, potassium, magnesium, multiple element such as calcium and a small amount of trace element, active organic principle has humic acid, heteroauxin, lactic acid bacteria, gibberellin, plant hormones such as the basic element of cell division, the B family vitamin has B1, B2, B5, B6, B11, B12, also contain several amino acids, protein, organic molecules such as hydrolase and multiple inorganic acid and some antibiotic, mutual coordinative role is present in the liquid of natural pond with the form of available nutrient and biological pesticide between these compositions, can directly be harmful to germ and worm's ovum by plant absorbing with killing rapidly, thereby promote the growth of plant, so natural pond liquid also can be used as, and a kind of medicine is fertile to be used as drip irrigation and foliage-spray.
Not only contain the needed nutritional labeling of multiple kinds of crops in the liquid of natural pond, but also contain the macromolecular substances of the unwanted non-nutrition of crops such as a lot of strings, suspended organic matter, silt, bacterium, drip irrigation system as greenhouse and booth outfit, directly use undressed natural pond liquid and very easily produce clogging, cause the drip irrigation system cisco unity malfunction.Natural pond liquid uses as the foliage fertilizer of crops, flowers, very easily be absorbed, but the natural pond liquid of process simple filtration also can't resolve the obstruction of spraying system, work is difficult to carry out continuously, and spray also evenly inadequately, and easily forming and harden on the crop blade face, Nutrient Absorption is subjected to certain restriction.In addition, the stench flavor of natural pond liquid stoste is also bigger, and the natural pond liquid of simple filtration can not be removed this peculiar smell, drip irrigation or spray in the process and crops draw the fertilizer process period and people produced detest sense.
At above-mentioned situation, the invention provides a kind of natural pond liquid secondary filter device and filter method, can filter out the macromolecular substances in the liquid of natural pond, any variation does not take place in the nutriment that can keep again in the liquid of natural pond, thereby guarantee the demand of crops normal growth, cooperate spraying system or drip irrigation system to use simple and reliable organic fertilizer.All carry out at normal temperatures owing to filter the whole process of natural pond liquid, so the nutriment in the liquid of natural pond has been played protective effect, and this natural pond liquid secondary filter device can also remove stench grade for peculiar smell, for the large tracts of land use of natural pond liquid provides advantage.
Summary of the invention
Technical problem to be solved by this invention is to have overcome the deficiencies in the prior art, provide a kind of filter capacity strong, clean easily, with low cost, easy operating, be convenient to and drip irrigation system and the matching used natural pond of spraying system liquid secondary filter device and filter method.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: one group of titanium alloy filter element is plugged on the filter element seat board, lock by titanium alloy filter element locking nut, seal by titanium alloy filter element sealing ring between titanium alloy filter element and the filter element seat board, natural pond liquid secondary filter device upper shell cover on one group of titanium alloy filter element the outside and and the filter element seat board between form the former liquid chamber of natural pond liquid, flange place between natural pond liquid secondary filter device upper shell and the filter element seat board is a filter upper shell sealing gasket, the flange place is a filter lower house sealing gasket between natural pond liquid secondary filter device lower house and the filter element seat board, and filter shell flange place up and down leaves clamp clamping formation sealing soon by housing.
Natural pond liquid secondary filter device lower house and filter element seat board and titanium alloy filter element inner chamber form one and filter liquid chamber, a stoste import three-way pipeline is installed in side at natural pond liquid secondary filter device lower house, stoste import three-way pipeline is installed a natural pond liquid inlet pipeline Pressure gauge, one end is plugged on the middle part of filter element seat board and natural pond liquid import seat board sealing ring is set, the other end connects natural pond liquid imported valve and natural pond liquid import, and the 3rd end connects sewage backwash valve and sewage backwash mouth.
Bottom, liquid secondary filter device lower house middle part, natural pond connects the filtered fluid three-way pipeline, the filtered fluid three-way pipeline is installed a filtered fluid pipeline pressure table, one end connects filtered fluid pipeline valve and filtered fluid pipe outlet, and the other end connects backwash inlet valve and backwash water inlet.
The method of natural pond liquid secondary filter is: at first close sewage backwash valve and backwash inlet valve, to enter from natural pond liquid import through the natural pond liquid stoste after the pressurization, enter into the former liquid chamber of natural pond liquid by natural pond liquid imported valve and the stoste import three-way pipeline of opening, molecular weight enters the filtration liquid chamber less than 200,000 daltonian material permeance titanium alloy filter elements, flow through the again filtered fluid pipeline valve of filtered fluid three-way pipeline and unlatching and filtered fluid pipe outlet is transported to the filtered fluid storage tank and is used for doing liquid fertilizer and cooperates drip irrigation system or spraying system to use, molecular weight is isolated the back greater than 200,000 daltonian materials by the titanium alloy filter element and is adhered on its outer surface, lengthening along with filtration time, the material that adheres on its outer surface increases gradually, filter capacity weakens gradually, when the demonstration pressure difference value of manometric demonstration pressure of natural pond liquid inlet pipeline and filtered fluid pipeline pressure table during greater than 0.3MPa, the attachment that shows titanium alloy filter element outer surface has reached the degree of stopping up, and need carry out back flush this moment.
During back flush, at first close natural pond liquid imported valve and filtered fluid pipeline valve, open backwash inlet valve and sewage backwash valve, water purification through pressurization enters from the backwash water inlet, through the backwash inlet valve, the filtered fluid three-way pipeline enters the filtration liquid chamber, entering titanium alloy filter element inside then sees through and ejection, take away the attachment that stops up on the titanium alloy filter element outer surface, through the former liquid chamber of natural pond liquid, stoste import three-way pipeline, sewage backwash valve and sewage backwash mouth are discharged, and the sewage transport after the cleaning to sewage treatment plant focuses on.When having served as Pressure gauge on the filtrate pipeline and having shown that Pressure gauge demonstration pressure difference value on pressure and the natural pond liquid inlet pipeline is less than 0.05MPa, show that the attachment that titanium alloy filter element outer surface stops up cleans up, can stop reverse cleaning this moment, close backwash inlet valve and sewage backwash valve, open filtered fluid pipeline valve and natural pond liquid imported valve, can carry out normal filtration work.
Filtered fluid pipeline pressure table and natural pond liquid inlet pipeline Pressure gauge on a kind of natural pond liquid secondary filter device described in the technical scheme can be the Pressure gauges that can finish the form of ownership of Presentation Function.
All valves on a kind of natural pond liquid secondary filter device described in the technical scheme all can use manual or electronic etc. can adapt to liquid flow and be the valve series products that is difficult for getting rusty.
The filter upper shell sealing gasket on a kind of natural pond liquid secondary filter device described in the technical scheme and the making material of filter lower house sealing gasket can be silastic material or polytetrafluoroethylmaterial material.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Accompanying drawing 1 is a kind of front view of natural pond liquid secondary filter device.
Among the figure: 1, natural pond liquid secondary filter device upper shell, 2, the titanium alloy filter element, 3, titanium alloy filter element sealing ring, 4, the filter element seat board, 5, filter upper shell sealing gasket, 6, housing is opened clamp, 7 soon, filtered fluid pipeline pressure table, 8, the filtered fluid pipeline valve, 9, the filtered fluid pipe outlet, 10, the filtered fluid three-way pipeline, 11, the backwash inlet valve, 12, the backwash water inlet, 13, titanium alloy filter element locking nut, 14, natural pond liquid secondary filter device lower house, 15, filter liquid chamber, 16, the sewage backwash mouth, 17, the sewage backwash valve, 18, stoste import three-way pipeline, 19, natural pond liquid imported valve, 20, natural pond liquid import, 21, natural pond liquid inlet pipeline Pressure gauge, 22, filter lower house sealing gasket, 23, natural pond liquid import seat board sealing ring, 24, the former liquid chamber of natural pond liquid.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is explained in detail.
Referring to Fig. 1, be a kind of front view of natural pond liquid secondary filter device.One group of titanium alloy filter element 2 is plugged on the filter element seat board 4 and by titanium alloy filter element locking nut 13 locks, plugging position is a titanium alloy filter element sealing ring 3 between titanium alloy filter element 2 and the filter element seat board 4, titanium alloy filter element 2 is covered on the outside by natural pond liquid secondary filter device upper shell 1, form the former liquid chamber 24 of natural pond liquid with filter element seat board 4, the flange place is a filter upper shell sealing gasket 5 below the natural pond liquid secondary filter device upper shell 1, be filter element seat board 4 below the filter upper shell sealing gasket 5, be provided with filter lower house sealing gasket 22 below the filter element seat board 4, sealing between natural pond liquid secondary filter device upper shell 1 and filter element seat board 4 and the natural pond liquid secondary filter device lower house 14 is opened clamp 6 clampings by filter upper shell sealing gasket 5 and filter lower house sealing gasket 22 soon by housing and is realized sealing, the middle part, bottom of natural pond liquid secondary filter device lower house 14 connects a filtered fluid three-way pipeline 10, pipeline one end connects filtered fluid pipeline valve 8 and filtered fluid pipe outlet 9, the other end connects backwash inlet valve 11 and backwash water inlet 12, a filtered fluid pipeline pressure table 7 is installed on the filtered fluid three-way pipeline simultaneously, a stoste import three-way pipeline 18 is installed in the side of natural pond liquid secondary filter device lower house 14, stoste import three-way pipeline 18 1 ends connect natural pond liquid imported valve 19 and natural pond liquid import 20, the other end connects sewage backwash valve 17 and sewage backwash mouth 16, a natural pond liquid inlet pipeline Pressure gauge 21 is installed on import three-way pipeline 18 simultaneously, and the 3rd end of stoste import three-way pipeline 18 inserts in the intermediate throughholes of the filter element seat board 4 that has natural pond liquid import seat board sealing ring 23.
The natural pond liquid stoste natural pond liquid import 20 of flowing through through pressurization, natural pond liquid imported valve 19, stoste import three-way pipeline 18, enter then in the former liquid chamber 24 of natural pond liquid that the outer surface and the filter element seat board 4 of natural pond liquid secondary filter device upper shell 1 and titanium alloy filter element 2 form, molecular weight is less than the micropore of 200,000 daltonian material permeance titanium alloy filter elements 2 in the liquid of natural pond, enter in the filtration liquid chamber 15 of natural pond liquid secondary filter device lower house 14 and 4 formation of filter element seat board, through filtered fluid three-way pipeline 10, filtered fluid pipeline valve 8, filtered fluid pipe outlet 9, being transported to storage tank stores makes the drip irrigation liquid fertilizer and sprays foliage fertilizer to use, oarse-grained material such as string, silt, algae, bacterium is isolated and is sticked on the outer surface of titanium alloy filter element 2, finished the secondary filter of natural pond liquid, whole filter process sewage backwash valve 17 and backwash inlet valve 11 all are in closed condition.
When the pressure difference value that shows between pressure that natural pond liquid inlet pipeline Pressure gauge 21 shows and the filtered fluid pipeline pressure table 7 during greater than 0.3MPa, show that titanium alloy filter element 2 stops up, need carry out back flush removing obstruction material this moment.
During back flush, filtered fluid pipeline valve 8 and natural pond liquid imported valve 19 are in closed condition, the water purification that has certain pressure enters from backwash water inlet 12, through backwash inlet valve 11, filtered fluid three-way pipeline 10 enters into and filters in the liquid chamber 15, see through the micropore ejection of titanium alloy filter element 2 from the inside of titanium alloy filter element 2, taken away the attachment that stops up titanium alloy filter element 2 surfaces, flow through and be plugged on stoste import three-way pipeline 18 on the filter element seat board 4, being delivered to sewage treatment plant after sewage backwash valve 17 and sewage backwash mouth 16 are discharged focuses on, the pressure difference value of the pressure that liquid to be filtered pipeline pressure table 7 shows and 21 demonstrations of natural pond liquid inlet pipeline Pressure gauge is during less than 0.05MPa, the attachment that shows the outer surface obstruction of titanium alloy filter element 2 has been cleaned totally, can close the supply that backwash inlet valve 11 and sewage backwash valve 17 stop the back flush water purification this moment, after opening filtered fluid pipeline valve 8 and natural pond liquid imported valve 19 then, just natural pond liquid secondary filter can have been carried out normally.
Owing to do not contain the macromolecular substances such as bacterium that produce fishy odor through the natural pond liquid after the filtration of secondary filter device, these materials are isolated the back and are removed in filter process, so what the natural pond liquid after filtering presented is tasteless brown liquid, eliminate people the natural pond liquid fertilizer has been contained the repulsion psychology of fishy odor, promoted natural pond liquid fertilizer large-area applications.
Claims (10)
1. natural pond liquid secondary filter device and filter method, it is characterized in that described natural pond liquid filter method is that one group of titanium alloy filter element is plugged on the filter element seat board, with natural pond liquid secondary filter device upper shell and natural pond liquid secondary filter device lower house natural pond liquid secondary filter device is divided into the former liquid chamber of natural pond liquid and filters liquid chamber, enter liquid former liquid chamber in natural pond through the natural pond liquid stoste after the pressurization by natural pond liquid import and natural pond liquid imported valve and stoste import three-way pipeline, the titanium alloy filter element is isolated the material that molecular weight ratio is bigger in the liquid stoste of natural pond and is attached on the outer surface, the less material permeance titanium alloy filter element of molecular weight enters the filtration liquid chamber, and storage tank is discharged and be transported to process filtered fluid three-way pipeline and filtered fluid pipeline valve and filtered fluid pipe outlet as liquid fertilizer then.
2. according to the filter method of the described a kind of natural pond liquid secondary filter device of claim 1, it is characterized in that natural pond liquid imported valve and the unlatching of filtered fluid pipeline valve in the liquid filter process of described natural pond, all the other valves all are in closed condition.
3. according to the filter method of the described a kind of natural pond liquid secondary filter device of claim 1, when it is characterized in that described natural pond liquid secondary filter device takes place to stop up, be to judge by the manometric pressure difference value that is installed on stoste import three-way pipeline and the filtered fluid three-way pipeline, difference is judged to be natural pond liquid secondary filter device greater than 0.3MPa obstruction has taken place, and needs back flush.
4. according to the filter method of the described a kind of natural pond liquid secondary filter device of claim 1, the cleaning that it is characterized in that described blocked natural pond liquid secondary filter device is that the pressurization water purification is entered by the backwash water inlet, through backwash inlet valve and filtered fluid three-way pipeline enter filter liquid chamber after, take away the obstruction material that is attached to titanium alloy filter element outer surface and along stoste import three-way pipeline and sewage backwash valve and the discharge of sewage backwash mouth by the inner outwards ejection of titanium alloy filter element water purification.
5. according to the filter method of the described a kind of natural pond liquid secondary filter device of claim 4, filtered fluid pipeline valve and natural pond liquid imported valve all are in closed condition when it is characterized in that described back flush.
6. according to the filter method of the described a kind of natural pond liquid secondary filter device of claim 3, when it is characterized in that described back flush, the pressure difference value whether the titanium alloy filter element of flushing is totally shown by the Pressure gauge that is installed on filtered fluid three-way pipeline and the stoste import three-way pipeline judges that difference is judged to be natural pond liquid secondary filter device less than 0.05MPa and rinses well.
7. according to the described a kind of natural pond liquid secondary filter device of claim 1, it is characterized in that described natural pond liquid secondary filter device comprises that one group of titanium alloy filter element (2) is inserted in filter element seat board (4) and goes up and lock by titanium alloy filter element locking nut (13), be housing seal pad (5) and filter lower house sealing gasket (22) between natural pond liquid secondary filter device upper shell (1) and natural pond liquid secondary filter device lower house (14) and the filter element seat board (4), drive clamp (6) soon by housing and clamp the generation sealing, stoste import three-way pipeline (18) inserts filter element seat board (4) middle part and communicates with the former liquid chamber of natural pond liquid (24), and seal by natural pond liquid import seat board sealing ring (23), stoste import three-way pipeline (18) is gone up natural pond liquid inlet pipeline Pressure gauge (21) is installed, one end connects natural pond liquid imported valve (19) and natural pond liquid import (20), the other end connects sewage backwash valve (17) and sewage backwash mouth (16), filtered fluid three-way pipeline (10) is gone up filtered fluid pipeline pressure table (7) is installed, one end connects filtered fluid pipeline valve (8) and filtered fluid pipe outlet (9), the other end connects backwash inlet valve (11) and backwash water inlet (12), and the 3rd end communicates with natural pond liquid secondary filter device lower house (14) central bottom that forms filtration liquid chamber (15).
8. according to the described a kind of natural pond liquid secondary filter device of claim 7, it is characterized in that described insertion filter element seat board (4) middle part stoste import three-way pipeline (18) go out the last plane that open height is lower than filter element seat board (4).
9. according to the described a kind of natural pond liquid secondary filter device of claim 7, it is characterized in that described titanium alloy filter element (2) and filter element seat board (4) are to lock with titanium alloy filter element sealing ring (3) sealing and by titanium alloy filter element locking nut (13).
10. according to the described a kind of natural pond liquid secondary filter device of claim 7, the making material that it is characterized in that described natural pond liquid secondary filter device upper shell (1) and natural pond liquid secondary filter device lower house (14) is the metal that stainless steel etc. is difficult for getting rusty, and material surfaces externally and internally mirror finish is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101178718A CN102258900A (en) | 2011-05-09 | 2011-05-09 | Device and method for precisely filtering biogas slurry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101178718A CN102258900A (en) | 2011-05-09 | 2011-05-09 | Device and method for precisely filtering biogas slurry |
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| CN102258900A true CN102258900A (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101178718A Pending CN102258900A (en) | 2011-05-09 | 2011-05-09 | Device and method for precisely filtering biogas slurry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272428A (en) * | 2013-04-28 | 2013-09-04 | 平阴莲花山果业专业合作社 | Biogas slurry filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855013A (en) * | 1981-09-28 | 1983-04-01 | Kurita Water Ind Ltd | Washing method of porous tube filter |
| CN2206142Y (en) * | 1994-10-19 | 1995-08-30 | 杨天寿 | Finely cleaned filter |
| CN101564611A (en) * | 2009-06-05 | 2009-10-28 | 中国农业科学院蔬菜花卉研究所 | Marsh liquid filter |
| CN201366266Y (en) * | 2008-12-30 | 2009-12-23 | 张明亮 | Self-cleaning filter |
| CN201366279Y (en) * | 2008-12-30 | 2009-12-23 | 张明亮 | Straight-through pipeline filter |
-
2011
- 2011-05-09 CN CN2011101178718A patent/CN102258900A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855013A (en) * | 1981-09-28 | 1983-04-01 | Kurita Water Ind Ltd | Washing method of porous tube filter |
| CN2206142Y (en) * | 1994-10-19 | 1995-08-30 | 杨天寿 | Finely cleaned filter |
| CN201366266Y (en) * | 2008-12-30 | 2009-12-23 | 张明亮 | Self-cleaning filter |
| CN201366279Y (en) * | 2008-12-30 | 2009-12-23 | 张明亮 | Straight-through pipeline filter |
| CN101564611A (en) * | 2009-06-05 | 2009-10-28 | 中国农业科学院蔬菜花卉研究所 | Marsh liquid filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272428A (en) * | 2013-04-28 | 2013-09-04 | 平阴莲花山果业专业合作社 | Biogas slurry filter |
| CN103272428B (en) * | 2013-04-28 | 2015-02-11 | 平阴莲花山果业专业合作社 | Biogas slurry filter |
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Application publication date: 20111130 |