CN207918611U - A kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus - Google Patents
A kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus Download PDFInfo
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- CN207918611U CN207918611U CN201721767128.6U CN201721767128U CN207918611U CN 207918611 U CN207918611 U CN 207918611U CN 201721767128 U CN201721767128 U CN 201721767128U CN 207918611 U CN207918611 U CN 207918611U
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- biogas slurry
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- purifying column
- tank
- cooler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model is related to sewage treatment fields, disclose a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus, including purifying column, biogas slurry heater, defoaming tank, surge tank, biogas slurry cooler, knockout drum, water seal tank, filter, the purifying column top is equipped with material inlet, connect at the top of the purifying column top and biogas slurry heater, purifying column lower part is connect with biogas slurry heater lower part, the purifying column top is connect with pot bottom is defoamed；The defoaming tank top is connect with surge tank top, and the buffering pot bottom is connect with purifying column top.The utility model is by biogas slurry concentrate under negative pressure, entire processing procedure not nutriments such as destruction of organic material, the content of organic matter is more than 65% in the pure biogas slurry of gained, it collects filter residue and organic fertilizer is made in biogas residue, save agricultural fertilizer expenditure, No Assets waste, invariably waste water and gas discharge up to standard, reduce environmental pollution, with good economic efficiency and social benefit.
Description
Technical field
The utility model is related to sewage treatment field, especially a kind of processing unit of anaerobic fermentation biogas slurry.
Background technology
With the improvement of people's living standard in our country, scale animal and poultry cultivation industry is grown rapidly, and generates a large amount of cultivation wastes,
The country mostly uses anaerobic ferment process and handles these wastes at present, effectively reduces the primary pollution of feces of farm.But simultaneously
It is not all that through anaerobic ferment process, treated that waste can be fully used.It, can since farm their location is different
Processing method to dissolve waste water after processing completely, which can only limitedly be applied to periphery, farmland appropriate, fish pond or aquatic
The livestock and poultry place of Plant Pond, and by the environment for planning as a whole system arrangement of the ecological agriculture.Most of farm does not fill
The condition and corresponding ability of foot reach such tupe.Therefore it while waste recycling, still will produce
Largely, concentrate, secondary pollutant-biogas slurry.
Biogas slurry is to cultivate answering of being generated after anaerobic fermentation in methane-generating pit of the organic wastes such as excrement and agricultural crop straw
Miscellaneous, high concentration organic wastewater has corruption in biogas slurry containing multiple elements, active organic components such as nitrogen, phosphorus, potassium, magnesium and calcium
The plant hormones such as phytic acid, heteroauxin, lactic acid bacteria, gibberellin and the basic element of cell division and B family vitamin, also containing there are many amino
Acid, protein, hydrolase and the organic molecules such as a variety of inorganic acids and certain antibiotic.Mutual coordinative role between these ingredients
It is present in biogas slurry in the form of available nutrient and biological pesticide, directly can be promptly absorbed and be killed harmful levels of pathogens and worm's ovum
And promote the growth of the plants such as crops and flowers, therefore biogas slurry could also say that a kind of medicine fertilizer.The science application of biogas slurry can carry
The content of high soil with organic matter and nutrient improves soil texture, increases soil fertility；But containing a large amount of in biogas slurry
The water of solid and free state, if its direct returning to farmland is utilized so that the value of the nutritional ingredient of solid therein cannot be effective
It utilizes, and waste water resource；And nutritional ingredient concentration is low in scale animal and poultry cultivation industry region, biogas slurry, and biogas slurry is for being more than
It asks, if the discharge of excessive biogas slurry will be caused environmental pollution.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus, solve existing
There is in technology in biogas slurry the problem of low nutritional ingredient concentration, water resource waste.
Technical solution adopted by the utility model to solve its technical problems is：A kind of anaerobic fermentation biogas slurry vacuum concentration dress
It sets, including purifying column, biogas slurry heater, defoaming tank, surge tank, biogas slurry cooler, knockout drum, water seal tank, filter, institute
It states purifying column top and is equipped with material inlet, the purifying column top connect with biogas slurry heater top, purifying column lower part and biogas slurry
Heater lower part connects, and is connect with defoaming pot bottom at the top of the purifying column；The defoaming tank top is connect with surge tank top,
The buffering pot bottom is connect with purifying column top；The biogas slurry cooler be equipped with cooling medium inlet, cooling media outlet,
Gas feed, gas vent and liquid outlet, the surge tank top are connect with biogas slurry cooler gas import, and the biogas slurry is cold
But device gas vent is connect with knockout drum, and the biogas slurry cooler liquid outlet is connect with water seal tank；The gas-liquid separation
Pot bottom is connect with water seal tank, and the gas-liquid separation tank top is connect with vacuum system；The biogas slurry heater base passes through extremely
A few delivery pump is connect with filter.The filter is bag filter
Further, the biogas slurry heater is equipped with steam inlet and condensation-water drain, for leading to steam heating purification
Tower.
Further, the biogas slurry cooler is chilled brine or cooling water for the cooling medium of condensation.
A kind of anaerobic fermentation biogas slurry vacuum concentration method, includes the following steps：
(a) any anaerobic fermentation biogas slurry vacuum concentrating apparatus as described above is provided, biogas slurry is crossed after filtering out biogas residue and is added
Enter purifying column, carrying out heating purification to purifying column using biogas slurry heater makes liquid be changed into indirect steam, and indirect steam is by tower
Jacking, which enters to defoam after tank carries out 1~2min of defoaming, enters back into 2~3min of stop in surge tank；The purifying column, biogas slurry heater,
Defoam tank, surge tank, biogas slurry cooler, knockout drum pressure be -0.08~-0.09MPa, the purifying column bottom temperature
It is 60~65 DEG C；
(b) buffering pot liquid returns to purifying column, and gas enters biogas slurry cooler, and what is condensed out in biogas slurry cooler is cold
Condensate enters water seal tank；Gas is detached by vacuum system, is condensed after the gas not being condensed enters knockout drum gas-liquid separation
Water enters water seal tank and forms fluid-tight, and it is 9~10m to keep the height of condensed water in water seal tank；
(c) biogas slurry after the purification of purified tower by delivery pump be delivered to filter cross filter out filter residue after pure biogas slurry.
Further, the filter residue in step (c) and the biogas residue obtained by step (a) are sent to solid organic fertilizer production line and are used as and have
Machine fertilizer raw materials for production.
Further, the pure biogas slurry obtained by step (c) is as organic fertilizer application.
Further, the vacuum system is used to cool down to purifying column, biogas slurry heater, defoaming tank, surge tank, biogas slurry
Device, knockout drum provide negative pressure.
Further, the step (a) selects filter press to be filtered except biogas residue.
Further, the step (c) selects bag filter to cross and filters out filter residue.
The utility model has the beneficial effects that：The biogas slurry that the utility model generates medium and high temperature anaerobic digestion is -0.08
Concentrate under the pressure of~-0.09MPa, entire processing procedure not nutriments such as destruction of organic material are organic in the pure biogas slurry of gained
Matter content is more than 65%, is directly used in farmland, collects filter residue and organic fertilizer is made as organic fertilizer raw material in biogas residue, save agricultural
Fertilizer is paid；Condensed water qualified discharge in water seal tank；The utility model saves energy consumption 50% than existing biogas slurry concentrate processing mode
More than, and entire processing procedure No Assets waste, invariably waste water and gas discharge up to standard, reduce environmental pollution, has good
Economic benefit and social benefit.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the utility model；
In figure label for：1- purifying columns, 2- biogas slurries heater, 3- defoamings tank, 4- surge tanks, 5- biogas slurries cooler, 6- gas
Liquid knockout drum, 7- filters, 8- delivery pumps, 9- water seal tanks.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus of the utility model, including purifying column 1, biogas slurry add
Hot device 2, defoaming tank 3, surge tank 4, biogas slurry cooler 5, knockout drum 6, water seal tank 9, filter 7,1 top of the purifying column
Equipped with material inlet, 1 top of the purifying column is connect, with 2 top of biogas slurry heater under 1 lower part of purifying column and biogas slurry heater 2
Portion connects, and 1 top of the purifying column is connect with 3 bottom of defoaming tank；3 top of the defoaming tank is connect with 4 top of surge tank, described
4 bottom of surge tank is connect with 1 top of purifying column；The biogas slurry cooler 2 be equipped with cooling medium inlet, cooling media outlet,
Gas feed, gas vent and liquid outlet, 4 top of the surge tank are connect with 5 gas feed of biogas slurry cooler, the biogas slurry
5 gas vent of cooler is connect with knockout drum 6, and 5 liquid outlet of biogas slurry cooler is connect with water seal tank 9；The gas
6 bottom of liquid knockout drum is connect with water seal tank 9, and 6 top of the knockout drum is connect with vacuum system；The biogas slurry heater 2
Bottom is connect by least one delivery pump 8 with filter 7.
The biogas slurry heater 2 is equipped with steam inlet and condensation-water drain, and purifying column 1 is heated for leading to steam.It is described
Biogas slurry cooler 5 is chilled brine or cooling water for the cooling medium of condensation.
A kind of anaerobic fermentation biogas slurry vacuum concentration method, includes the following steps：
(a) any anaerobic fermentation biogas slurry vacuum concentrating apparatus as described above is provided, biogas slurry is crossed after filtering out biogas residue and is added
Enter purifying column 1, carrying out heating purification to purifying column 1 using biogas slurry heater 2 makes liquid be changed into indirect steam, indirect steam by
Tower top, which enters after defoaming tank 3 carries out 1~2min of defoaming, enters back into 2~3min of stop in surge tank 4；The purifying column 1, biogas slurry add
Hot device 2, defoaming tank 3, surge tank 4, biogas slurry cooler 5, knockout drum 6 pressure be -0.08~-0.09MPa, the purification
1 bottom temperature of tower is 60~65 DEG C, and control 1 liquid level of purifying column is 1/3~2/3；The ingredient of biogas slurry is organic matter 35~50%, corruption
Grow acid 10~25%, full nitrogen 0.6~1.5%, full phosphorus 0.2~0.5%, full potassium 0.5~1.0% and some trace elements；Entirely
Anaerobic fermentation biogas slurry vacuum concentrating apparatus pressure is -0.08~-0.09MPa, according to the property of the nutritional ingredients such as organic matter in biogas slurry
Matter, nutritional ingredient will be destroyed when higher than 65 DEG C, and nitrogen when higher than 70 DEG C in biogas slurry can significantly reduce,
Biogas slurry can have both been set to be changed into indirect steam, not destroy natural pond under -0.08~-0.09MPa pressure, at a temperature of 60~65 DEG C
The nutriments such as the organic matter in liquid, and compared with atmospheric operation energy saving 60% or more；
(b) liquid returns to purifying column 1 in surge tank 4, and gas enters biogas slurry cooler 5, condensed out in biogas slurry cooler 5
Condensed water enter water seal tank 9；Gas is taken out by vacuum system after the gas not being condensed enters 6 gas-liquid separation of knockout drum
Enter water seal tank 9 from, condensed water and form fluid-tight, it is 9~10m to keep the height of condensed water in water seal tank 9；Biogas slurry is at 60~65 DEG C
Viscosity be 1.2~1.4cp, in purifying column 1 in biogas slurry concentration process, biogas slurry generate bubble enter defoaming tank with indirect steam
3, defoaming tank 3 act as, by this part bubble defoaming, making it become gas-liquid mixed state, facilitating access for the gas-liquid after surge tank 4
It is sufficiently separated, if without defoaming treatment, the buffered tank 4 of bubble, which enters in biogas slurry cooler 5, to be condensed out, and water seal tank is improved
In 9 in condensed water nutriment content, reduce purification ＆ isolation effect；
Indirect steam continuously enters biogas slurry cooler 5 and is condensed, and condensate liquid continuously enters water seal tank 9, and water seal tank 9 is main
For receiving the condensed water that biogas slurry cooler 5 condenses out；Since the operating pressure of system is -0.08~-0.09MPa, condensation
The density of water is 1.0~1.05g/cm3, water seal tank be open type and atmosphere, according to this condition calculating, to overcome air
Pressure ensures system negative pressure, while ensureing that condensate liquid can continuously enter water seal tank 9 by potential difference, and water seal tank 9 selects 9~10m's
Fluid-tight；
The gas not being condensed mainly contains the gases such as a small amount of methyl mercaptan, ammonia nitrogen, carbon dioxide, into knockout drum
It is detached through high-altitude qualified discharge by vacuum system after 6 gas-liquid separations, vacuum pump can be selected in vacuum system；
(c) biogas slurry after purified tower 1 purifies, which is delivered to by delivery pump 8 after filter 7 filters out filter residue excessively, obtains pure biogas slurry.It is right
1 tower reactor of purifying column is sampled analysis, the content of material of biogas slurry after analysis purification, is mainly subject to the analysis data of organic value,
Its content is determined as needed, and being delivered to filter 7 by delivery pump 8 after sampling is qualified filters.Pure biogas slurry body after concentrate
Product is the 30~40% of former biogas slurry volume, and the nutriments such as organic matter in former biogas slurry are not destroyed, are improved as organic
The content of nutriment in the pure biogas slurry of fertilizer；Make discharged wastewater met the national standard under conditions of ensureing former biogas slurry fertilizer efficiency, it is energy-saving.
The biogas residue obtained by filter residue and step (a) in step (c) is sent to solid organic fertilizer production line as organic fertilizer production
Raw material.Organic fertilizer is made in solids in biogas slurry, the high value for further improving biogas slurry resource utilizes.
Pure biogas slurry obtained by step (c) is as organic fertilizer application.The vacuum system to purifying column 1, biogas slurry for adding
Hot device 2, defoaming tank 3, surge tank 4, biogas slurry cooler 5, knockout drum 6 provide negative pressure.The step (a) select filter press into
It went and filters out biogas residue.The step (c) selects bag filter to cross and filters out filter residue.
Embodiment：
As shown in Figure 1, a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus, including purifying column 1, biogas slurry heater 2, defoaming tank
3, surge tank 4, biogas slurry cooler 5, knockout drum 6, water seal tank 9, filter 7,1 top of the purifying column be equipped with raw material into
Mouthful, 1 top of the purifying column is connect with 2 top of biogas slurry heater, 1 lower part of purifying column is connect with 2 lower part of biogas slurry heater, described
1 top of purifying column is connect with 3 bottom of defoaming tank；4 top of the defoaming tank is connect with 5 top of surge tank, 5 bottom of the surge tank
It is connect with 1 top of purifying column；The biogas slurry cooler 5 is equipped with cooling medium inlet, cooling media outlet, gas feed, gas
Body exports and liquid outlet, and 4 top of the surge tank is connect with 5 gas feed of biogas slurry cooler, 5 gas of biogas slurry cooler
Outlet is connect with knockout drum 6, and 5 liquid outlet of biogas slurry cooler is connect with water seal tank 9；6 bottom of the knockout drum
Portion is connect with water seal tank 9, and 6 top of the knockout drum is connect with vacuum pump；2 bottom of biogas slurry heater is defeated by two
Pump 8 is sent to be connect with filter 7.
The biogas slurry heater 2 is equipped with steam inlet and condensation-water drain, and purifying column 1 is heated for leading to steam.It is described
Biogas slurry cooler 5 is circulation cooling water for the cooling medium of condensation.
A kind of anaerobic fermentation biogas slurry vacuum concentration method, includes the following steps：
(a) a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus as described above is provided, biogas slurry is crossed using filter press and is filtered out
Purifying column 1 is added after biogas residue, carrying out heating purification to purifying column 1 using biogas slurry heater 2 makes liquid be changed into indirect steam, and two
Secondary steam, which is entered by tower top after defoaming tank 3 carries out 1~2min of defoaming, enters back into 2~3min of stop in surge tank 4；The purifying column
1, biogas slurry heater 2, defoaming tank 3, surge tank 4, biogas slurry cooler 5, knockout drum 6 pressure be -0.08~-0.09MPa,
1 bottom temperature of the purifying column is 60~65 DEG C；
(b) liquid returns to purifying column 1 in surge tank 4, and gas enters biogas slurry cooler 5, condensed out in biogas slurry cooler 5
Condensed water enter water seal tank 9；The gas not being condensed enter gas after 6 gas-liquid separation of knockout drum detached by vacuum pump,
Condensed water enters water seal tank 9 and forms fluid-tight, and it is 9~10m to keep the height of condensed water in water seal tank 9；Vacuum pump is for giving simultaneously
Whole device provides negative pressure.
(c) purified tower 1 purify after biogas slurry by delivery pump 8 be delivered to bag filter cross filter out filter residue after pure natural pond
Liquid, as organic fertilizer application in farmland.Wherein filter residue and biogas residue are sent to solid organic fertilizer production line as organic fertilizer production raw material.
Claims (5)
1. a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus, it is characterised in that：Including purifying column, biogas slurry heater, defoaming tank, delay
Tank, biogas slurry cooler, knockout drum, water seal tank, filter are rushed, the purifying column top is equipped with material inlet, the purification
Connect at the top of tower top and biogas slurry heater, purifying column lower part is connect with biogas slurry heater lower part, the purifying column top with disappear
Steep pot bottom connection；The defoaming tank top is connect with surge tank top, and the buffering pot bottom is connect with purifying column top；Institute
It states biogas slurry cooler and is equipped with cooling medium inlet, cooling media outlet, gas feed, gas vent and liquid outlet, it is described
It is connect with biogas slurry cooler gas import at the top of surge tank, the biogas slurry cooler gas outlet is connect with knockout drum, institute
The outlet of biogas slurry cooler liquid is stated to connect with water seal tank；The gas-liquid separation pot bottom is connect with water seal tank, the gas-liquid separation
Tank top is connect with vacuum system；The biogas slurry heater base is connect by least one delivery pump with filter.
2. a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus according to claim 1, it is characterised in that：The biogas slurry heating
Device is equipped with steam inlet and condensation-water drain, and purifying column is heated for leading to steam.
3. a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus according to claim 1, it is characterised in that：The biogas slurry cooling
Device is chilled brine or cooling water for the cooling medium of condensation.
4. a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus according to claim 1, it is characterised in that：The vacuum system
System to purifying column, biogas slurry heater, defoaming tank, surge tank, biogas slurry cooler, knockout drum for providing negative pressure.
5. a kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus according to claim 1, it is characterised in that：The filter is
Bag filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767128.6U CN207918611U (en) | 2017-12-15 | 2017-12-15 | A kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767128.6U CN207918611U (en) | 2017-12-15 | 2017-12-15 | A kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207918611U true CN207918611U (en) | 2018-09-28 |
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ID=63607057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721767128.6U Expired - Fee Related CN207918611U (en) | 2017-12-15 | 2017-12-15 | A kind of anaerobic fermentation biogas slurry vacuum concentrating apparatus |
Country Status (1)
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| CN (1) | CN207918611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748439A (en) * | 2017-12-15 | 2019-05-14 | 自贡佳禾新能源科技有限公司 | A kind of anaerobic fermentation biogas slurry vacuum concentration method and device |
-
2017
- 2017-12-15 CN CN201721767128.6U patent/CN207918611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748439A (en) * | 2017-12-15 | 2019-05-14 | 自贡佳禾新能源科技有限公司 | A kind of anaerobic fermentation biogas slurry vacuum concentration method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20211215 |